Refactor location tracking.

R=kbr@chromium.org

Review URL: https://codereview.appspot.com/9078046

git-svn-id: https://angleproject.googlecode.com/svn/trunk@2202 736b8ea6-26fd-11df-bfd4-992fa37f6226

TRAC #23333
Authored-by: alokp@chromium.org
Signed-off-by: Shannon Woods
Signed-off-by Nicolas Capens
Merged-by: Jamie Madill
diff --git a/src/compiler/Common.h b/src/compiler/Common.h
index 27a5598..532486a 100644
--- a/src/compiler/Common.h
+++ b/src/compiler/Common.h
@@ -14,24 +14,12 @@
 
 #include "compiler/PoolAlloc.h"
 
-// We need two pieces of information to report errors/warnings - string and
-// line number. We encode these into a single int so that it can be easily
-// incremented/decremented by lexer. The right SOURCE_LOC_LINE_SIZE bits store
-// line number while the rest store the string number. Since the shaders are
-// usually small, we should not run out of memory. SOURCE_LOC_LINE_SIZE
-// can be increased to alleviate this issue.
-typedef int TSourceLoc;
-const unsigned int SOURCE_LOC_LINE_SIZE = 16;  // in bits.
-const unsigned int SOURCE_LOC_LINE_MASK = (1 << SOURCE_LOC_LINE_SIZE) - 1;
-
-inline TSourceLoc EncodeSourceLoc(int string, int line) {
-    return (string << SOURCE_LOC_LINE_SIZE) | (line & SOURCE_LOC_LINE_MASK);
-}
-
-inline void DecodeSourceLoc(TSourceLoc loc, int* string, int* line) {
-    if (string) *string = loc >> SOURCE_LOC_LINE_SIZE;
-    if (line) *line = loc & SOURCE_LOC_LINE_MASK;
-}
+struct TSourceLoc {
+    int first_file;
+    int first_line;
+    int last_file;
+    int last_line;
+};
 
 //
 // Put POOL_ALLOCATOR_NEW_DELETE in base classes to make them use this scheme.
diff --git a/src/compiler/Compiler.cpp b/src/compiler/Compiler.cpp
index 7b3c646..d39d921 100644
--- a/src/compiler/Compiler.cpp
+++ b/src/compiler/Compiler.cpp
@@ -127,8 +127,10 @@
     // We preserve symbols at the built-in level from compile-to-compile.
     // Start pushing the user-defined symbols at global level.
     symbolTable.push();
-    if (!symbolTable.atGlobalLevel())
-        infoSink.info.message(EPrefixInternalError, "Wrong symbol table level");
+    if (!symbolTable.atGlobalLevel()) {
+        infoSink.info.prefix(EPrefixInternalError);
+        infoSink.info << "Wrong symbol table level";
+    }
 
     // Parse shader.
     bool success =
@@ -180,7 +182,8 @@
             if (compileOptions & SH_ENFORCE_PACKING_RESTRICTIONS) {
                 success = enforcePackingRestrictions();
                 if (!success) {
-                    infoSink.info.message(EPrefixError, "too many uniforms");
+                    infoSink.info.prefix(EPrefixError);
+                    infoSink.info << "too many uniforms";
                 }
             }
         }
@@ -265,10 +268,12 @@
         case DetectRecursion::kErrorNone:
             return true;
         case DetectRecursion::kErrorMissingMain:
-            infoSink.info.message(EPrefixError, "Missing main()");
+            infoSink.info.prefix(EPrefixError);
+            infoSink.info << "Missing main()";
             return false;
         case DetectRecursion::kErrorRecursion:
-            infoSink.info.message(EPrefixError, "Function recursion detected");
+            infoSink.info.prefix(EPrefixError);
+            infoSink.info << "Function recursion detected";
             return false;
         default:
             UNREACHABLE();
diff --git a/src/compiler/Diagnostics.cpp b/src/compiler/Diagnostics.cpp
index 4632ad0..540c5d6 100644
--- a/src/compiler/Diagnostics.cpp
+++ b/src/compiler/Diagnostics.cpp
@@ -46,7 +46,7 @@
     TInfoSinkBase& sink = mInfoSink.info;
     /* VC++ format: file(linenum) : error #: 'token' : extrainfo */
     sink.prefix(prefix);
-    sink.location(EncodeSourceLoc(loc.file, loc.line));
+    sink.location(loc.file, loc.line);
     sink << "'" << token <<  "' : " << reason << " " << extra << "\n";
 }
 
diff --git a/src/compiler/InfoSink.cpp b/src/compiler/InfoSink.cpp
index ba32f78..d20a6c0 100644
--- a/src/compiler/InfoSink.cpp
+++ b/src/compiler/InfoSink.cpp
@@ -6,8 +6,8 @@
 
 #include "compiler/InfoSink.h"
 
-void TInfoSinkBase::prefix(TPrefixType message) {
-    switch(message) {
+void TInfoSinkBase::prefix(TPrefixType p) {
+    switch(p) {
         case EPrefixNone:
             break;
         case EPrefixWarning:
@@ -31,29 +31,24 @@
     }
 }
 
-void TInfoSinkBase::location(TSourceLoc loc) {
-    int string = 0, line = 0;
-    DecodeSourceLoc(loc, &string, &line);
-
+void TInfoSinkBase::location(int file, int line) {
     TPersistStringStream stream;
     if (line)
-        stream << string << ":" << line;
+        stream << file << ":" << line;
     else
-        stream << string << ":? ";
+        stream << file << ":? ";
     stream << ": ";
 
     sink.append(stream.str());
 }
 
-void TInfoSinkBase::message(TPrefixType message, const char* s) {
-    prefix(message);
-    sink.append(s);
-    sink.append("\n");
+void TInfoSinkBase::location(const TSourceLoc& loc) {
+    location(loc.first_file, loc.first_line);
 }
 
-void TInfoSinkBase::message(TPrefixType message, const char* s, TSourceLoc loc) {
-    prefix(message);
+void TInfoSinkBase::message(TPrefixType p, const TSourceLoc& loc, const char* m) {
+    prefix(p);
     location(loc);
-    sink.append(s);
+    sink.append(m);
     sink.append("\n");
 }
diff --git a/src/compiler/InfoSink.h b/src/compiler/InfoSink.h
index e2224e91..6888838 100644
--- a/src/compiler/InfoSink.h
+++ b/src/compiler/InfoSink.h
@@ -96,10 +96,10 @@
     const TPersistString& str() const { return sink; }
     const char* c_str() const { return sink.c_str(); }
 
-    void prefix(TPrefixType message);
-    void location(TSourceLoc loc);
-    void message(TPrefixType message, const char* s);
-    void message(TPrefixType message, const char* s, TSourceLoc loc);
+    void prefix(TPrefixType p);
+    void location(int file, int line);
+    void location(const TSourceLoc& loc);
+    void message(TPrefixType p, const TSourceLoc& loc, const char* m);
 
 private:
     TPersistString sink;
diff --git a/src/compiler/Intermediate.cpp b/src/compiler/Intermediate.cpp
index 7042657..537b14b 100644
--- a/src/compiler/Intermediate.cpp
+++ b/src/compiler/Intermediate.cpp
@@ -141,7 +141,7 @@
 //
 // Returns the added node.
 //
-TIntermSymbol* TIntermediate::addSymbol(int id, const TString& name, const TType& type, TSourceLoc line)
+TIntermSymbol* TIntermediate::addSymbol(int id, const TString& name, const TType& type, const TSourceLoc& line)
 {
     TIntermSymbol* node = new TIntermSymbol(id, name, type);
     node->setLine(line);
@@ -154,7 +154,7 @@
 //
 // Returns the added node.
 //
-TIntermTyped* TIntermediate::addBinaryMath(TOperator op, TIntermTyped* left, TIntermTyped* right, TSourceLoc line)
+TIntermTyped* TIntermediate::addBinaryMath(TOperator op, TIntermTyped* left, TIntermTyped* right, const TSourceLoc& line)
 {
     switch (op) {
         case EOpEqual:
@@ -210,8 +210,6 @@
     // one and promote it to the right type.
     //
     TIntermBinary* node = new TIntermBinary(op);
-    if (line == 0)
-        line = right->getLine();
     node->setLine(line);
 
     node->setLeft(left);
@@ -240,15 +238,13 @@
 //
 // Returns the added node.
 //
-TIntermTyped* TIntermediate::addAssign(TOperator op, TIntermTyped* left, TIntermTyped* right, TSourceLoc line)
+TIntermTyped* TIntermediate::addAssign(TOperator op, TIntermTyped* left, TIntermTyped* right, const TSourceLoc& line)
 {
     //
     // Like adding binary math, except the conversion can only go
     // from right to left.
     //
     TIntermBinary* node = new TIntermBinary(op);
-    if (line == 0)
-        line = left->getLine();
     node->setLine(line);
 
     TIntermTyped* child = addConversion(op, left->getType(), right);
@@ -270,11 +266,9 @@
 // Returns the added node.
 // The caller should set the type of the returned node.
 //
-TIntermTyped* TIntermediate::addIndex(TOperator op, TIntermTyped* base, TIntermTyped* index, TSourceLoc line)
+TIntermTyped* TIntermediate::addIndex(TOperator op, TIntermTyped* base, TIntermTyped* index, const TSourceLoc& line)
 {
     TIntermBinary* node = new TIntermBinary(op);
-    if (line == 0)
-        line = index->getLine();
     node->setLine(line);
     node->setLeft(base);
     node->setRight(index);
@@ -289,13 +283,13 @@
 //
 // Returns the added node.
 //
-TIntermTyped* TIntermediate::addUnaryMath(TOperator op, TIntermNode* childNode, TSourceLoc line)
+TIntermTyped* TIntermediate::addUnaryMath(TOperator op, TIntermNode* childNode, const TSourceLoc& line)
 {
     TIntermUnary* node;
     TIntermTyped* child = childNode->getAsTyped();
 
     if (child == 0) {
-        infoSink.info.message(EPrefixInternalError, "Bad type in AddUnaryMath", line);
+        infoSink.info.message(EPrefixInternalError, line, "Bad type in AddUnaryMath");
         return 0;
     }
 
@@ -360,8 +354,6 @@
     // Make a new node for the operator.
     //
     node = new TIntermUnary(op);
-    if (line == 0)
-        line = child->getLine();
     node->setLine(line);
     node->setOperand(child);
 
@@ -388,7 +380,7 @@
 // Returns an aggregate node, which could be the one passed in if
 // it was already an aggregate but no operator was set.
 //
-TIntermAggregate* TIntermediate::setAggregateOperator(TIntermNode* node, TOperator op, TSourceLoc line)
+TIntermAggregate* TIntermediate::setAggregateOperator(TIntermNode* node, TOperator op, const TSourceLoc& line)
 {
     TIntermAggregate* aggNode;
 
@@ -403,8 +395,6 @@
             //
             aggNode = new TIntermAggregate();
             aggNode->getSequence().push_back(node);
-            if (line == 0)
-                line = node->getLine();
         }
     } else
         aggNode = new TIntermAggregate();
@@ -413,8 +403,7 @@
     // Set the operator.
     //
     aggNode->setOp(op);
-    if (line != 0)
-        aggNode->setLine(line);
+    aggNode->setLine(line);
 
     return aggNode;
 }
@@ -505,7 +494,7 @@
                     case EbtUInt:   newOp = EOpConvFloatToUInt; break;
                     case EbtBool:   newOp = EOpConvBoolToFloat; break;
                     default:
-                        infoSink.info.message(EPrefixInternalError, "Bad promotion node", node->getLine());
+                        infoSink.info.message(EPrefixInternalError, node->getLine(), "Bad promotion node");
                         return 0;
                 }
                 break;
@@ -515,7 +504,7 @@
                     case EbtUInt:   newOp = EOpConvBoolToUInt;  break;
                     case EbtFloat:  newOp = EOpConvFloatToBool; break;
                     default:
-                        infoSink.info.message(EPrefixInternalError, "Bad promotion node", node->getLine());
+                        infoSink.info.message(EPrefixInternalError, node->getLine(), "Bad promotion node");
                         return 0;
                 }
                 break;
@@ -525,7 +514,7 @@
                     case EbtBool:   newOp = EOpConvBoolToInt;  break;
                     case EbtFloat:  newOp = EOpConvFloatToInt; break;
                     default:
-                        infoSink.info.message(EPrefixInternalError, "Bad promotion node", node->getLine());
+                        infoSink.info.message(EPrefixInternalError, node->getLine(), "Bad promotion node");
                         return 0;
                 }
                 break;
@@ -535,12 +524,12 @@
                     case EbtBool:   newOp = EOpConvBoolToUInt;  break;
                     case EbtFloat:  newOp = EOpConvFloatToUInt; break;
                     default:
-                        infoSink.info.message(EPrefixInternalError, "Bad promotion node", node->getLine());
+                        infoSink.info.message(EPrefixInternalError, node->getLine(), "Bad promotion node");
                         return 0;
                 }
                 break;
             default:
-                infoSink.info.message(EPrefixInternalError, "Bad promotion type", node->getLine());
+                infoSink.info.message(EPrefixInternalError, node->getLine(), "Bad promotion type");
                 return 0;
         }
 
@@ -560,7 +549,7 @@
 // Returns the resulting aggregate, unless 0 was passed in for
 // both existing nodes.
 //
-TIntermAggregate* TIntermediate::growAggregate(TIntermNode* left, TIntermNode* right, TSourceLoc line)
+TIntermAggregate* TIntermediate::growAggregate(TIntermNode* left, TIntermNode* right, const TSourceLoc& line)
 {
     if (left == 0 && right == 0)
         return 0;
@@ -577,8 +566,7 @@
     if (right)
         aggNode->getSequence().push_back(right);
 
-    if (line != 0)
-        aggNode->setLine(line);
+    aggNode->setLine(line);
 
     return aggNode;
 }
@@ -588,7 +576,7 @@
 //
 // Returns an aggregate, unless 0 was passed in for the existing node.
 //
-TIntermAggregate* TIntermediate::makeAggregate(TIntermNode* node, TSourceLoc line)
+TIntermAggregate* TIntermediate::makeAggregate(TIntermNode* node, const TSourceLoc& line)
 {
     if (node == 0)
         return 0;
@@ -596,10 +584,7 @@
     TIntermAggregate* aggNode = new TIntermAggregate;
     aggNode->getSequence().push_back(node);
 
-    if (line != 0)
-        aggNode->setLine(line);
-    else
-        aggNode->setLine(node->getLine());
+    aggNode->setLine(line);
 
     return aggNode;
 }
@@ -611,7 +596,7 @@
 //
 // Returns the selection node created.
 //
-TIntermNode* TIntermediate::addSelection(TIntermTyped* cond, TIntermNodePair nodePair, TSourceLoc line)
+TIntermNode* TIntermediate::addSelection(TIntermTyped* cond, TIntermNodePair nodePair, const TSourceLoc& line)
 {
     //
     // For compile time constant selections, prune the code and
@@ -632,7 +617,7 @@
 }
 
 
-TIntermTyped* TIntermediate::addComma(TIntermTyped* left, TIntermTyped* right, TSourceLoc line)
+TIntermTyped* TIntermediate::addComma(TIntermTyped* left, TIntermTyped* right, const TSourceLoc& line)
 {
     if (left->getType().getQualifier() == EvqConst && right->getType().getQualifier() == EvqConst) {
         return right;
@@ -652,7 +637,7 @@
 //
 // Returns the selection node created, or 0 if one could not be.
 //
-TIntermTyped* TIntermediate::addSelection(TIntermTyped* cond, TIntermTyped* trueBlock, TIntermTyped* falseBlock, TSourceLoc line)
+TIntermTyped* TIntermediate::addSelection(TIntermTyped* cond, TIntermTyped* trueBlock, TIntermTyped* falseBlock, const TSourceLoc& line)
 {
     //
     // Get compatible types.
@@ -695,7 +680,7 @@
 // Returns the constant union node created.
 //
 
-TIntermConstantUnion* TIntermediate::addConstantUnion(ConstantUnion* unionArrayPointer, const TType& t, TSourceLoc line)
+TIntermConstantUnion* TIntermediate::addConstantUnion(ConstantUnion* unionArrayPointer, const TType& t, const TSourceLoc& line)
 {
     TIntermConstantUnion* node = new TIntermConstantUnion(unionArrayPointer, t);
     node->setLine(line);
@@ -703,7 +688,7 @@
     return node;
 }
 
-TIntermTyped* TIntermediate::addSwizzle(TVectorFields& fields, TSourceLoc line)
+TIntermTyped* TIntermediate::addSwizzle(TVectorFields& fields, const TSourceLoc& line)
 {
 
     TIntermAggregate* node = new TIntermAggregate(EOpSequence);
@@ -726,7 +711,7 @@
 //
 // Create loop nodes.
 //
-TIntermNode* TIntermediate::addLoop(TLoopType type, TIntermNode* init, TIntermTyped* cond, TIntermTyped* expr, TIntermNode* body, TSourceLoc line)
+TIntermNode* TIntermediate::addLoop(TLoopType type, TIntermNode* init, TIntermTyped* cond, TIntermTyped* expr, TIntermNode* body, const TSourceLoc& line)
 {
     TIntermNode* node = new TIntermLoop(type, init, cond, expr, body);
     node->setLine(line);
@@ -737,12 +722,12 @@
 //
 // Add branches.
 //
-TIntermBranch* TIntermediate::addBranch(TOperator branchOp, TSourceLoc line)
+TIntermBranch* TIntermediate::addBranch(TOperator branchOp, const TSourceLoc& line)
 {
     return addBranch(branchOp, 0, line);
 }
 
-TIntermBranch* TIntermediate::addBranch(TOperator branchOp, TIntermTyped* expression, TSourceLoc line)
+TIntermBranch* TIntermediate::addBranch(TOperator branchOp, TIntermTyped* expression, const TSourceLoc& line)
 {
     TIntermBranch* node = new TIntermBranch(branchOp, expression);
     node->setLine(line);
@@ -922,7 +907,7 @@
     // This function only handles scalars, vectors, and matrices.
     if (left->isArray() || right->isArray())
     {
-        infoSink.info.message(EPrefixInternalError, "Invalid operation for arrays", getLine());
+        infoSink.info.message(EPrefixInternalError, getLine(), "Invalid operation for arrays");
         return false;
     }
 
@@ -1040,7 +1025,7 @@
             }
             else
             {
-                infoSink.info.message(EPrefixInternalError, "Missing elses", getLine());
+                infoSink.info.message(EPrefixInternalError, getLine(), "Missing elses");
                 return false;
             }
 
@@ -1094,7 +1079,7 @@
             }
             else
             {
-                infoSink.info.message(EPrefixInternalError, "Missing elses", getLine());
+                infoSink.info.message(EPrefixInternalError, getLine(), "Missing elses");
                 return false;
             }
 
@@ -1273,7 +1258,7 @@
             {
                 if (getType().getBasicType() != EbtFloat || node->getBasicType() != EbtFloat)
                 {
-                    infoSink.info.message(EPrefixInternalError, "Constant Folding cannot be done for matrix multiply", getLine());
+                    infoSink.info.message(EPrefixInternalError, getLine(), "Constant Folding cannot be done for matrix multiply");
                     return 0;
                 }
 
@@ -1313,7 +1298,7 @@
                       case EbtFloat:
                         if (rightUnionArray[i] == 0.0f)
                         {
-                            infoSink.info.message(EPrefixWarning, "Divide by zero error during constant folding", getLine());
+                            infoSink.info.message(EPrefixWarning, getLine(), "Divide by zero error during constant folding");
                             tempConstArray[i].setFConst(unionArray[i].getFConst() < 0 ? -FLT_MAX : FLT_MAX);
                         }
                         else
@@ -1325,7 +1310,7 @@
                       case EbtInt:
                         if (rightUnionArray[i] == 0)
                         {
-                            infoSink.info.message(EPrefixWarning, "Divide by zero error during constant folding", getLine());
+                            infoSink.info.message(EPrefixWarning, getLine(), "Divide by zero error during constant folding");
                             tempConstArray[i].setIConst(INT_MAX);
                         }
                         else
@@ -1337,7 +1322,7 @@
                       case EbtUInt:
                         if (rightUnionArray[i] == 0)
                         {
-                            infoSink.info.message(EPrefixWarning, "Divide by zero error during constant folding", getLine());
+                            infoSink.info.message(EPrefixWarning, getLine(), "Divide by zero error during constant folding");
                             tempConstArray[i].setUConst(UINT_MAX);
                         }
                         else
@@ -1347,7 +1332,7 @@
                         break;
 
                       default:
-                        infoSink.info.message(EPrefixInternalError, "Constant folding cannot be done for \"/\"", getLine());
+                        infoSink.info.message(EPrefixInternalError, getLine(), "Constant folding cannot be done for \"/\"");
                         return 0;
                     }
                 }
@@ -1358,7 +1343,7 @@
             {
                 if (node->getBasicType() != EbtFloat)
                 {
-                    infoSink.info.message(EPrefixInternalError, "Constant Folding cannot be done for matrix times vector", getLine());
+                    infoSink.info.message(EPrefixInternalError, getLine(), "Constant Folding cannot be done for matrix times vector");
                     return 0;
                 }
 
@@ -1389,7 +1374,7 @@
             {
                 if (getType().getBasicType() != EbtFloat)
                 {
-                    infoSink.info.message(EPrefixInternalError, "Constant Folding cannot be done for vector times matrix", getLine());
+                    infoSink.info.message(EPrefixInternalError, getLine(), "Constant Folding cannot be done for vector times matrix");
                     return 0;
                 }
 
@@ -1552,7 +1537,7 @@
             return tempNode;
 
           default:
-            infoSink.info.message(EPrefixInternalError, "Invalid operator for constant folding", getLine());
+            infoSink.info.message(EPrefixInternalError, getLine(), "Invalid operator for constant folding");
             return 0;
         }
         tempNode = new TIntermConstantUnion(tempConstArray, returnType);
@@ -1578,7 +1563,7 @@
                   case EbtInt:   tempConstArray[i].setIConst(-unionArray[i].getIConst()); break;
                   case EbtUInt:  tempConstArray[i].setUConst(static_cast<unsigned int>(-static_cast<int>(unionArray[i].getUConst()))); break;
                   default:
-                    infoSink.info.message(EPrefixInternalError, "Unary operation not folded into constant", getLine());
+                    infoSink.info.message(EPrefixInternalError, getLine(), "Unary operation not folded into constant");
                     return 0;
                 }
                 break;
@@ -1588,7 +1573,7 @@
                 {
                   case EbtBool:  tempConstArray[i].setBConst(!unionArray[i].getBConst()); break;
                   default:
-                    infoSink.info.message(EPrefixInternalError, "Unary operation not folded into constant", getLine());
+                    infoSink.info.message(EPrefixInternalError, getLine(), "Unary operation not folded into constant");
                     return 0;
                 }
                 break;
@@ -1627,7 +1612,7 @@
                         leftUnionArray[i].setFConst(static_cast<float>(node->getFConst(i)));
                         break;
                     default:
-                        infoSink.info.message(EPrefixInternalError, "Cannot promote", node->getLine());
+                        infoSink.info.message(EPrefixInternalError, node->getLine(), "Cannot promote");
                         return 0;
                 }
                 break;
@@ -1646,7 +1631,7 @@
                         leftUnionArray[i].setIConst(static_cast<int>(node->getFConst(i)));
                         break;
                     default:
-                        infoSink.info.message(EPrefixInternalError, "Cannot promote", node->getLine());
+                        infoSink.info.message(EPrefixInternalError, node->getLine(), "Cannot promote");
                         return 0;
                 }
                 break;
@@ -1665,7 +1650,7 @@
                         leftUnionArray[i].setUConst(static_cast<unsigned int>(node->getFConst(i)));
                         break;
                     default:
-                        infoSink.info.message(EPrefixInternalError, "Cannot promote", node->getLine());
+                        infoSink.info.message(EPrefixInternalError, node->getLine(), "Cannot promote");
                         return 0;
                 }
                 break;
@@ -1684,13 +1669,13 @@
                         leftUnionArray[i].setBConst(node->getFConst(i) != 0.0f);
                         break;
                     default:
-                        infoSink.info.message(EPrefixInternalError, "Cannot promote", node->getLine());
+                        infoSink.info.message(EPrefixInternalError, node->getLine(), "Cannot promote");
                         return 0;
                 }
 
                 break;
             default:
-                infoSink.info.message(EPrefixInternalError, "Incorrect data type found", node->getLine());
+                infoSink.info.message(EPrefixInternalError, node->getLine(), "Incorrect data type found");
                 return 0;
         }
 
diff --git a/src/compiler/OutputHLSL.cpp b/src/compiler/OutputHLSL.cpp
index 6352711..e4a8abc 100644
--- a/src/compiler/OutputHLSL.cpp
+++ b/src/compiler/OutputHLSL.cpp
@@ -1936,7 +1936,7 @@
         {
             if (mInsideFunction)
             {
-                outputLineDirective(node->getLine());
+                outputLineDirective(node->getLine().first_line);
                 out << "{\n";
 
                 mScopeDepth++;
@@ -1953,7 +1953,7 @@
 
             for (TIntermSequence::iterator sit = node->getSequence().begin(); sit != node->getSequence().end(); sit++)
             {
-                outputLineDirective((*sit)->getLine());
+                outputLineDirective((*sit)->getLine().first_line);
 
                 traverseStatements(*sit);
 
@@ -1962,7 +1962,7 @@
 
             if (mInsideFunction)
             {
-                outputLineDirective(node->getEndLine());
+                outputLineDirective(node->getLine().last_line);
                 out << "}\n";
 
                 mScopeDepth--;
@@ -2395,7 +2395,7 @@
 
         out << ")\n";
         
-        outputLineDirective(node->getLine());
+        outputLineDirective(node->getLine().first_line);
         out << "{\n";
 
         if (node->getTrueBlock())
@@ -2403,20 +2403,20 @@
             traverseStatements(node->getTrueBlock());
         }
 
-        outputLineDirective(node->getLine());
+        outputLineDirective(node->getLine().first_line);
         out << ";\n}\n";
 
         if (node->getFalseBlock())
         {
             out << "else\n";
 
-            outputLineDirective(node->getFalseBlock()->getLine());
+            outputLineDirective(node->getFalseBlock()->getLine().first_line);
             out << "{\n";
 
-            outputLineDirective(node->getFalseBlock()->getLine());
+            outputLineDirective(node->getFalseBlock()->getLine().first_line);
             traverseStatements(node->getFalseBlock());
 
-            outputLineDirective(node->getFalseBlock()->getLine());
+            outputLineDirective(node->getFalseBlock()->getLine().first_line);
             out << ";\n}\n";
         }
     }
@@ -2452,7 +2452,7 @@
     {
         out << "{do\n";
 
-        outputLineDirective(node->getLine());
+        outputLineDirective(node->getLine().first_line);
         out << "{\n";
     }
     else
@@ -2480,7 +2480,7 @@
 
         out << ")\n";
         
-        outputLineDirective(node->getLine());
+        outputLineDirective(node->getLine().first_line);
         out << "{\n";
     }
 
@@ -2489,12 +2489,12 @@
         traverseStatements(node->getBody());
     }
 
-    outputLineDirective(node->getLine());
+    outputLineDirective(node->getLine().first_line);
     out << ";}\n";
 
     if (node->getType() == ELoopDoWhile)
     {
-        outputLineDirective(node->getCondition()->getLine());
+        outputLineDirective(node->getCondition()->getLine().first_line);
         out << "while(\n";
 
         node->getCondition()->traverse(this);
@@ -2766,7 +2766,7 @@
                 out << increment;
                 out << ")\n";
                 
-                outputLineDirective(node->getLine());
+                outputLineDirective(node->getLine().first_line);
                 out << "{\n";
 
                 if (node->getBody())
@@ -2774,7 +2774,7 @@
                     node->getBody()->traverse(this);
                 }
 
-                outputLineDirective(node->getLine());
+                outputLineDirective(node->getLine().first_line);
                 out << ";}\n";
 
                 if (!firstLoopFragment)
diff --git a/src/compiler/ParseHelper.cpp b/src/compiler/ParseHelper.cpp
index 63632a7..35bf68e 100644
--- a/src/compiler/ParseHelper.cpp
+++ b/src/compiler/ParseHelper.cpp
@@ -22,7 +22,7 @@
 // Look at a '.' field selector string and change it into offsets
 // for a vector.
 //
-bool TParseContext::parseVectorFields(const TString& compString, int vecSize, TVectorFields& fields, int line)
+bool TParseContext::parseVectorFields(const TString& compString, int vecSize, TVectorFields& fields, const TSourceLoc& line)
 {
     fields.num = (int) compString.size();
     if (fields.num > 4) {
@@ -115,7 +115,7 @@
 // Look at a '.' field selector string and change it into offsets
 // for a matrix.
 //
-bool TParseContext::parseMatrixFields(const TString& compString, int matCols, int matRows, TMatrixFields& fields, int line)
+bool TParseContext::parseMatrixFields(const TString& compString, int matCols, int matRows, TMatrixFields& fields, const TSourceLoc& line)
 {
     fields.wholeRow = false;
     fields.wholeCol = false;
@@ -175,22 +175,24 @@
 //
 // Used by flex/bison to output all syntax and parsing errors.
 //
-void TParseContext::error(TSourceLoc loc,
+void TParseContext::error(const TSourceLoc& loc,
                           const char* reason, const char* token, 
                           const char* extraInfo)
 {
     pp::SourceLocation srcLoc;
-    DecodeSourceLoc(loc, &srcLoc.file, &srcLoc.line);
+    srcLoc.file = loc.first_file;
+    srcLoc.line = loc.first_line;
     diagnostics.writeInfo(pp::Diagnostics::ERROR,
                           srcLoc, reason, token, extraInfo);
 
 }
 
-void TParseContext::warning(TSourceLoc loc,
+void TParseContext::warning(const TSourceLoc& loc,
                             const char* reason, const char* token,
                             const char* extraInfo) {
     pp::SourceLocation srcLoc;
-    DecodeSourceLoc(loc, &srcLoc.file, &srcLoc.line);
+    srcLoc.file = loc.first_file;
+    srcLoc.line = loc.first_line;
     diagnostics.writeInfo(pp::Diagnostics::WARNING,
                           srcLoc, reason, token, extraInfo);
 }
@@ -203,7 +205,7 @@
 //
 // Same error message for all places assignments don't work.
 //
-void TParseContext::assignError(int line, const char* op, TString left, TString right)
+void TParseContext::assignError(const TSourceLoc& line, const char* op, TString left, TString right)
 {
     std::stringstream extraInfoStream;
     extraInfoStream << "cannot convert from '" << right << "' to '" << left << "'";
@@ -214,7 +216,7 @@
 //
 // Same error message for all places unary operations don't work.
 //
-void TParseContext::unaryOpError(int line, const char* op, TString operand)
+void TParseContext::unaryOpError(const TSourceLoc& line, const char* op, TString operand)
 {
     std::stringstream extraInfoStream;
     extraInfoStream << "no operation '" << op << "' exists that takes an operand of type " << operand 
@@ -226,7 +228,7 @@
 //
 // Same error message for all binary operations don't work.
 //
-void TParseContext::binaryOpError(int line, const char* op, TString left, TString right)
+void TParseContext::binaryOpError(const TSourceLoc& line, const char* op, TString left, TString right)
 {
     std::stringstream extraInfoStream;
     extraInfoStream << "no operation '" << op << "' exists that takes a left-hand operand of type '" << left 
@@ -235,7 +237,7 @@
     error(line, " wrong operand types ", op, extraInfo.c_str()); 
 }
 
-bool TParseContext::precisionErrorCheck(int line, TPrecision precision, TBasicType type){
+bool TParseContext::precisionErrorCheck(const TSourceLoc& line, TPrecision precision, TBasicType type){
     if (!checksPrecisionErrors)
         return false;
     switch( type ){
@@ -263,7 +265,7 @@
 //
 // Returns true if the was an error.
 //
-bool TParseContext::lValueErrorCheck(int line, const char* op, TIntermTyped* node)
+bool TParseContext::lValueErrorCheck(const TSourceLoc& line, const char* op, TIntermTyped* node)
 {
     TIntermSymbol* symNode = node->getAsSymbolNode();
     TIntermBinary* binaryNode = node->getAsBinaryNode();
@@ -406,7 +408,7 @@
 //
 // Returns true if the was an error.
 //
-bool TParseContext::globalErrorCheck(int line, bool global, const char* token)
+bool TParseContext::globalErrorCheck(const TSourceLoc& line, bool global, const char* token)
 {
     if (global)
         return false;
@@ -425,7 +427,7 @@
 //
 // Returns true if there was an error.
 //
-bool TParseContext::reservedErrorCheck(int line, const TString& identifier)
+bool TParseContext::reservedErrorCheck(const TSourceLoc& line, const TString& identifier)
 {
     static const char* reservedErrMsg = "reserved built-in name";
     if (!symbolTable.atBuiltInLevel()) {
@@ -463,7 +465,7 @@
 //
 // Returns true if there was an error in construction.
 //
-bool TParseContext::constructorErrorCheck(int line, TIntermNode* node, TFunction& function, TOperator op, TType* type)
+bool TParseContext::constructorErrorCheck(const TSourceLoc& line, TIntermNode* node, TFunction& function, TOperator op, TType* type)
 {
     *type = function.getReturnType();
 
@@ -565,7 +567,7 @@
 //
 // returns true in case of an error
 //
-bool TParseContext::voidErrorCheck(int line, const TString& identifier, const TPublicType& pubType)
+bool TParseContext::voidErrorCheck(const TSourceLoc& line, const TString& identifier, const TPublicType& pubType)
 {
     if (pubType.type == EbtVoid) {
         error(line, "illegal use of type 'void'", identifier.c_str());
@@ -579,7 +581,7 @@
 //
 // returns true in case of an error
 //
-bool TParseContext::boolErrorCheck(int line, const TIntermTyped* type)
+bool TParseContext::boolErrorCheck(const TSourceLoc& line, const TIntermTyped* type)
 {
     if (type->getBasicType() != EbtBool || type->isArray() || type->isMatrix() || type->isVector()) {
         error(line, "boolean expression expected", "");
@@ -593,7 +595,7 @@
 //
 // returns true in case of an error
 //
-bool TParseContext::boolErrorCheck(int line, const TPublicType& pType)
+bool TParseContext::boolErrorCheck(const TSourceLoc& line, const TPublicType& pType)
 {
     if (pType.type != EbtBool || pType.isAggregate()) {
         error(line, "boolean expression expected", "");
@@ -603,7 +605,7 @@
     return false;
 }
 
-bool TParseContext::samplerErrorCheck(int line, const TPublicType& pType, const char* reason)
+bool TParseContext::samplerErrorCheck(const TSourceLoc& line, const TPublicType& pType, const char* reason)
 {
     if (pType.type == EbtStruct) {
         if (containsSampler(*pType.userDef)) {
@@ -622,7 +624,7 @@
     return false;
 }
 
-bool TParseContext::structQualifierErrorCheck(int line, const TPublicType& pType)
+bool TParseContext::structQualifierErrorCheck(const TSourceLoc& line, const TPublicType& pType)
 {
     switch (pType.qualifier)
     {
@@ -644,7 +646,7 @@
     return false;
 }
 
-bool TParseContext::locationDeclaratorListCheck(int line, const TPublicType &pType)
+bool TParseContext::locationDeclaratorListCheck(const TSourceLoc& line, const TPublicType &pType)
 {
     if (pType.layoutQualifier.location != -1)
     {
@@ -655,7 +657,7 @@
     return false;
 }
 
-bool TParseContext::parameterSamplerErrorCheck(int line, TQualifier qualifier, const TType& type)
+bool TParseContext::parameterSamplerErrorCheck(const TSourceLoc& line, TQualifier qualifier, const TType& type)
 {
     if ((qualifier == EvqOut || qualifier == EvqInOut) && 
              type.getBasicType() != EbtStruct && IsSampler(type.getBasicType())) {
@@ -687,7 +689,7 @@
 //
 // Returns true if there was an error.
 //
-bool TParseContext::arraySizeErrorCheck(int line, TIntermTyped* expr, int& size)
+bool TParseContext::arraySizeErrorCheck(const TSourceLoc& line, TIntermTyped* expr, int& size)
 {
     TIntermConstantUnion* constant = expr->getAsConstantUnion();
 
@@ -729,7 +731,7 @@
 //
 // Returns true if there is an error.
 //
-bool TParseContext::arrayQualifierErrorCheck(int line, TPublicType type)
+bool TParseContext::arrayQualifierErrorCheck(const TSourceLoc& line, TPublicType type)
 {
     if ((type.qualifier == EvqAttribute) || (type.qualifier == EvqVertexInput) || (type.qualifier == EvqConst)) {
         error(line, "cannot declare arrays of this qualifier", TType(type).getCompleteString().c_str());
@@ -744,7 +746,7 @@
 //
 // Returns true if there is an error.
 //
-bool TParseContext::arrayTypeErrorCheck(int line, TPublicType type)
+bool TParseContext::arrayTypeErrorCheck(const TSourceLoc& line, TPublicType type)
 {
     //
     // Can the type be an array?
@@ -765,7 +767,7 @@
 //
 // Returns true if there was an error.
 //
-bool TParseContext::arrayErrorCheck(int line, const TString& identifier, const TPublicType &type, TVariable*& variable)
+bool TParseContext::arrayErrorCheck(const TSourceLoc& line, const TString& identifier, const TPublicType &type, TVariable*& variable)
 {
     //
     // Don't check for reserved word use until after we know it's not in the symbol table,
@@ -830,7 +832,7 @@
     return false;
 }
 
-bool TParseContext::arraySetMaxSize(TIntermSymbol *node, TType* type, int size, bool updateFlag, TSourceLoc line)
+bool TParseContext::arraySetMaxSize(TIntermSymbol *node, TType* type, int size, bool updateFlag, const TSourceLoc& line)
 {
     bool builtIn = false;
     TSymbol* symbol = symbolTable.find(node->getSymbol(), 0, &builtIn);
@@ -879,7 +881,7 @@
 //
 // Returns true if there was an error.
 //
-bool TParseContext::nonInitConstErrorCheck(int line, const TString& identifier, TPublicType& type, bool array)
+bool TParseContext::nonInitConstErrorCheck(const TSourceLoc& line, const TString& identifier, TPublicType& type, bool array)
 {
     if (type.qualifier == EvqConst)
     {
@@ -911,7 +913,7 @@
 //
 // Returns true if there was an error.
 //
-bool TParseContext::nonInitErrorCheck(int line, const TString& identifier, const TPublicType& type, TVariable*& variable)
+bool TParseContext::nonInitErrorCheck(const TSourceLoc& line, const TString& identifier, const TPublicType& type, TVariable*& variable)
 {
     if (reservedErrorCheck(line, identifier))
         recover();
@@ -931,7 +933,7 @@
     return false;
 }
 
-bool TParseContext::paramErrorCheck(int line, TQualifier qualifier, TQualifier paramQualifier, TType* type)
+bool TParseContext::paramErrorCheck(const TSourceLoc& line, TQualifier qualifier, TQualifier paramQualifier, TType* type)
 {    
     if (qualifier != EvqConst && qualifier != EvqTemporary) {
         error(line, "qualifier not allowed on function parameter", getQualifierString(qualifier));
@@ -950,7 +952,7 @@
     return false;
 }
 
-bool TParseContext::extensionErrorCheck(int line, const TString& extension)
+bool TParseContext::extensionErrorCheck(const TSourceLoc& line, const TString& extension)
 {
     const TExtensionBehavior& extBehavior = extensionBehavior();
     TExtensionBehavior::const_iterator iter = extBehavior.find(extension.c_str());
@@ -971,7 +973,7 @@
     return false;
 }
 
-bool TParseContext::singleDeclarationErrorCheck(TPublicType &publicType, TSourceLoc identifierLocation, const TString &identifier)
+bool TParseContext::singleDeclarationErrorCheck(TPublicType &publicType, const TSourceLoc& identifierLocation, const TString &identifier)
 {
     if (structQualifierErrorCheck(identifierLocation, publicType))
         return true;
@@ -999,7 +1001,7 @@
     return false;
 }
 
-bool TParseContext::layoutLocationErrorCheck(TSourceLoc location, const TLayoutQualifier &layoutQualifier)
+bool TParseContext::layoutLocationErrorCheck(const TSourceLoc& location, const TLayoutQualifier &layoutQualifier)
 {
     if (layoutQualifier.location != -1)
     {
@@ -1017,6 +1019,22 @@
     return (iter != extbehavior.end());
 }
 
+void TParseContext::handleExtensionDirective(const TSourceLoc& loc, const char* extName, const char* behavior)
+{
+    pp::SourceLocation srcLoc;
+    srcLoc.file = loc.first_file;
+    srcLoc.line = loc.first_line;
+    directiveHandler.handleExtension(srcLoc, extName, behavior);
+}
+
+void TParseContext::handlePragmaDirective(const TSourceLoc& loc, const char* name, const char* value)
+{
+    pp::SourceLocation srcLoc;
+    srcLoc.file = loc.first_file;
+    srcLoc.line = loc.first_line;
+    directiveHandler.handlePragma(srcLoc, name, value);
+}
+
 /////////////////////////////////////////////////////////////////////////////////
 //
 // Non-Errors.
@@ -1028,7 +1046,7 @@
 //
 // Return the function symbol if found, otherwise 0.
 //
-const TFunction* TParseContext::findFunction(int line, TFunction* call, int shaderVersion, bool *builtIn)
+const TFunction* TParseContext::findFunction(const TSourceLoc& line, TFunction* call, int shaderVersion, bool *builtIn)
 {
     // First find by unmangled name to check whether the function name has been
     // hidden by a variable name or struct typename.
@@ -1054,7 +1072,7 @@
 // Initializers show up in several places in the grammar.  Have one set of
 // code to handle them here.
 //
-bool TParseContext::executeInitializer(TSourceLoc line, const TString& identifier, TPublicType& pType, 
+bool TParseContext::executeInitializer(const TSourceLoc& line, const TString& identifier, TPublicType& pType, 
                                        TIntermTyped* initializer, TIntermNode*& intermNode, TVariable* variable)
 {
     TType type = TType(pType);
@@ -1211,7 +1229,7 @@
     return returnType;
 }
 
-TIntermAggregate* TParseContext::parseSingleDeclaration(TPublicType &publicType, TSourceLoc identifierLocation, const TString &identifier)
+TIntermAggregate* TParseContext::parseSingleDeclaration(TPublicType &publicType, const TSourceLoc& identifierLocation, const TString &identifier)
 {
     TIntermSymbol* symbol = intermediate.addSymbol(0, identifier, TType(publicType), identifierLocation);
     TIntermAggregate* aggregate = intermediate.makeAggregate(symbol, identifierLocation);
@@ -1239,7 +1257,7 @@
     return aggregate;
 }
 
-TIntermAggregate* TParseContext::parseSingleArrayDeclaration(TPublicType &publicType, TSourceLoc identifierLocation, const TString &identifier, TSourceLoc indexLocation, TIntermTyped *indexExpression)
+TIntermAggregate* TParseContext::parseSingleArrayDeclaration(TPublicType &publicType, const TSourceLoc& identifierLocation, const TString &identifier, const TSourceLoc& indexLocation, TIntermTyped *indexExpression)
 {
     if (singleDeclarationErrorCheck(publicType, identifierLocation, identifier))
         recover();
@@ -1280,7 +1298,7 @@
     return aggregate;
 }
 
-TIntermAggregate* TParseContext::parseSingleInitDeclaration(TPublicType &publicType, TSourceLoc identifierLocation, const TString &identifier, TSourceLoc initLocation, TIntermTyped *initializer)
+TIntermAggregate* TParseContext::parseSingleInitDeclaration(TPublicType &publicType, const TSourceLoc& identifierLocation, const TString &identifier, const TSourceLoc& initLocation, TIntermTyped *initializer)
 {
     if (singleDeclarationErrorCheck(publicType, identifierLocation, identifier))
         recover();
@@ -1300,7 +1318,7 @@
     }
 }
 
-TIntermAggregate* TParseContext::parseDeclarator(TPublicType &publicType, TIntermAggregate *aggregateDeclaration, TSymbol *identifierSymbol, TSourceLoc identifierLocation, const TString &identifier)
+TIntermAggregate* TParseContext::parseDeclarator(TPublicType &publicType, TIntermAggregate *aggregateDeclaration, TSymbol *identifierSymbol, const TSourceLoc& identifierLocation, const TString &identifier)
 {
     if (publicType.type == EbtInvariant && !identifierSymbol)
     {
@@ -1329,7 +1347,7 @@
     return intermAggregate;
 }
 
-TIntermAggregate* TParseContext::parseArrayDeclarator(TPublicType &publicType, TSourceLoc identifierLocation, const TString &identifier, TSourceLoc arrayLocation, TIntermNode *declaratorList, TIntermTyped *indexExpression)
+TIntermAggregate* TParseContext::parseArrayDeclarator(TPublicType &publicType, const TSourceLoc& identifierLocation, const TString &identifier, const TSourceLoc& arrayLocation, TIntermNode *declaratorList, TIntermTyped *indexExpression)
 {
     if (structQualifierErrorCheck(identifierLocation, publicType))
         recover();
@@ -1371,7 +1389,7 @@
     return NULL;
 }
 
-TIntermAggregate* TParseContext::parseInitDeclarator(TPublicType &publicType, TIntermAggregate *declaratorList, TSourceLoc identifierLocation, const TString &identifier, TSourceLoc initLocation, TIntermTyped *initializer)
+TIntermAggregate* TParseContext::parseInitDeclarator(TPublicType &publicType, TIntermAggregate *declaratorList, const TSourceLoc& identifierLocation, const TString &identifier, const TSourceLoc& initLocation, TIntermTyped *initializer)
 {
     if (structQualifierErrorCheck(identifierLocation, publicType))
         recover();
@@ -1523,7 +1541,7 @@
 //
 // Returns 0 for an error or the constructed node (aggregate or typed) for no error.
 //
-TIntermTyped* TParseContext::addConstructor(TIntermNode* node, const TType* type, TOperator op, TFunction* fnCall, TSourceLoc line)
+TIntermTyped* TParseContext::addConstructor(TIntermNode* node, const TType* type, TOperator op, TFunction* fnCall, const TSourceLoc& line)
 {
     if (node == 0)
         return 0;
@@ -1631,7 +1649,7 @@
 //
 // Returns 0 for an error or the constructed node.
 //
-TIntermTyped* TParseContext::constructBuiltIn(const TType* type, TOperator op, TIntermNode* node, TSourceLoc line, bool subset)
+TIntermTyped* TParseContext::constructBuiltIn(const TType* type, TOperator op, TIntermNode* node, const TSourceLoc& line, bool subset)
 {
     TIntermTyped* newNode;
     TOperator basicOp;
@@ -1700,7 +1718,7 @@
 //
 // Returns 0 for an error or the input node itself if the expected and the given parameter types match.
 //
-TIntermTyped* TParseContext::constructStruct(TIntermNode* node, TType* type, int paramCount, TSourceLoc line, bool subset)
+TIntermTyped* TParseContext::constructStruct(TIntermNode* node, TType* type, int paramCount, const TSourceLoc& line, bool subset)
 {
     if (*type == node->getAsTyped()->getType()) {
         if (subset)
@@ -1727,7 +1745,7 @@
 // node or it could be the intermediate tree representation of accessing fields in a constant structure or column of 
 // a constant matrix.
 //
-TIntermTyped* TParseContext::addConstVectorNode(TVectorFields& fields, TIntermTyped* node, TSourceLoc line)
+TIntermTyped* TParseContext::addConstVectorNode(TVectorFields& fields, TIntermTyped* node, const TSourceLoc& line)
 {
     TIntermTyped* typedNode;
     TIntermConstantUnion* tempConstantNode = node->getAsConstantUnion();
@@ -1771,7 +1789,7 @@
 // to the function could either be a symbol node (m[0] where m is a constant matrix)that represents a 
 // constant matrix or it could be the tree representation of the constant matrix (s.m1[0] where s is a constant structure)
 //
-TIntermTyped* TParseContext::addConstMatrixNode(int index, TIntermTyped* node, TSourceLoc line)
+TIntermTyped* TParseContext::addConstMatrixNode(int index, TIntermTyped* node, const TSourceLoc& line)
 {
     TIntermTyped* typedNode;
     TIntermConstantUnion* tempConstantNode = node->getAsConstantUnion();
@@ -1806,7 +1824,7 @@
 // to the function could either be a symbol node (a[0] where a is a constant array)that represents a 
 // constant array or it could be the tree representation of the constant array (s.a1[0] where s is a constant structure)
 //
-TIntermTyped* TParseContext::addConstArrayNode(int index, TIntermTyped* node, TSourceLoc line)
+TIntermTyped* TParseContext::addConstArrayNode(int index, TIntermTyped* node, const TSourceLoc& line)
 {
     TIntermTyped* typedNode;
     TIntermConstantUnion* tempConstantNode = node->getAsConstantUnion();
@@ -1843,7 +1861,7 @@
 // If there is an embedded/nested struct, it appropriately calls addConstStructNested or addConstStructFromAggr
 // function and returns the parse-tree with the values of the embedded/nested struct.
 //
-TIntermTyped* TParseContext::addConstStruct(const TString &identifier, TIntermTyped *node, TSourceLoc line)
+TIntermTyped* TParseContext::addConstStruct(const TString &identifier, TIntermTyped *node, const TSourceLoc& line)
 {
     const TTypeList* fields = node->getType().getStruct();
     TIntermTyped *typedNode;
@@ -1876,8 +1894,8 @@
 //
 // Interface/uniform blocks
 //
-TIntermAggregate* TParseContext::addInterfaceBlock(const TPublicType& typeQualifier, TSourceLoc nameLine, const TString& blockName, TTypeList* typeList, 
-                                                   const TString& instanceName, TSourceLoc instanceLine, TIntermTyped* arrayIndex, TSourceLoc arrayIndexLine)
+TIntermAggregate* TParseContext::addInterfaceBlock(const TPublicType& typeQualifier, const TSourceLoc& nameLine, const TString& blockName, TTypeList* typeList, 
+                                                   const TString& instanceName, const TSourceLoc& instanceLine, TIntermTyped* arrayIndex, const TSourceLoc& arrayIndexLine)
 {
     if (reservedErrorCheck(nameLine, blockName))
         recover();
@@ -2011,7 +2029,7 @@
     return aggregate;
 }
 
-bool TParseContext::enterStructDeclaration(int line, const TString& identifier)
+bool TParseContext::enterStructDeclaration(const TSourceLoc& line, const TString& identifier)
 {
     ++structNestingLevel;
 
@@ -2037,7 +2055,7 @@
 
 }  // namespace
 
-bool TParseContext::structNestingErrorCheck(TSourceLoc line, const TType& fieldType)
+bool TParseContext::structNestingErrorCheck(const TSourceLoc& line, const TType& fieldType)
 {
     if (!isWebGLBasedSpec(shaderSpec)) {
         return false;
@@ -2064,7 +2082,7 @@
 //
 // Parse an array index expression
 //
-TIntermTyped* TParseContext::addIndexExpression(TIntermTyped *baseExpression, TSourceLoc location, TIntermTyped *indexExpression)
+TIntermTyped* TParseContext::addIndexExpression(TIntermTyped *baseExpression, const TSourceLoc& location, TIntermTyped *indexExpression)
 {
     TIntermTyped *indexedExpression = NULL;
 
@@ -2215,7 +2233,7 @@
     return indexedExpression;
 }
 
-TIntermTyped* TParseContext::addFieldSelectionExpression(TIntermTyped *baseExpression, TSourceLoc dotLocation, const TString &fieldString, TSourceLoc fieldLocation)
+TIntermTyped* TParseContext::addFieldSelectionExpression(TIntermTyped *baseExpression, const TSourceLoc& dotLocation, const TString &fieldString, const TSourceLoc& fieldLocation)
 {
     TIntermTyped *indexedExpression = NULL;
 
@@ -2398,7 +2416,7 @@
     return indexedExpression;
 }
 
-TLayoutQualifier TParseContext::parseLayoutQualifier(const TString &qualifierType, TSourceLoc qualifierTypeLine)
+TLayoutQualifier TParseContext::parseLayoutQualifier(const TString &qualifierType, const TSourceLoc& qualifierTypeLine)
 {
     TLayoutQualifier qualifier;
 
@@ -2440,7 +2458,7 @@
     return qualifier;
 }
 
-TLayoutQualifier TParseContext::parseLayoutQualifier(const TString &qualifierType, TSourceLoc qualifierTypeLine, const TString &intValueString, int intValue, TSourceLoc intValueLine)
+TLayoutQualifier TParseContext::parseLayoutQualifier(const TString &qualifierType, const TSourceLoc& qualifierTypeLine, const TString &intValueString, int intValue, const TSourceLoc& intValueLine)
 {
     TLayoutQualifier qualifier;
 
@@ -2528,7 +2546,7 @@
     return typeList;
 }
 
-TPublicType TParseContext::addStructure(TSourceLoc structLine, TSourceLoc nameLine, const TString &structName, TTypeList* typeList)
+TPublicType TParseContext::addStructure(const TSourceLoc& structLine, const TSourceLoc& nameLine, const TString &structName, TTypeList* typeList)
 {
     TType* structure = new TType(typeList, structName);
 
diff --git a/src/compiler/ParseHelper.h b/src/compiler/ParseHelper.h
index 6ac41ad..2807773 100644
--- a/src/compiler/ParseHelper.h
+++ b/src/compiler/ParseHelper.h
@@ -70,93 +70,95 @@
     int getShaderVersion() const { return shaderVersion; }
     int numErrors() const { return diagnostics.numErrors(); }
     TInfoSink& infoSink() { return diagnostics.infoSink(); }
-    void error(TSourceLoc loc, const char *reason, const char* token,
+    void error(const TSourceLoc& loc, const char *reason, const char* token,
                const char* extraInfo="");
-    void warning(TSourceLoc loc, const char* reason, const char* token,
+    void warning(const TSourceLoc& loc, const char* reason, const char* token,
                  const char* extraInfo="");
     void trace(const char* str);
     void recover();
 
-    bool parseVectorFields(const TString&, int vecSize, TVectorFields&, int line);
-    bool parseMatrixFields(const TString&, int matCols, int matRows, TMatrixFields&, int line);
+    bool parseVectorFields(const TString&, int vecSize, TVectorFields&, const TSourceLoc& line);
+    bool parseMatrixFields(const TString&, int matCols, int matRows, TMatrixFields&, const TSourceLoc& line);
 
-    bool reservedErrorCheck(int line, const TString& identifier);
-    void assignError(int line, const char* op, TString left, TString right);
-    void unaryOpError(int line, const char* op, TString operand);
-    void binaryOpError(int line, const char* op, TString left, TString right);
-    bool precisionErrorCheck(int line, TPrecision precision, TBasicType type);
-    bool lValueErrorCheck(int line, const char* op, TIntermTyped*);
+    bool reservedErrorCheck(const TSourceLoc& line, const TString& identifier);
+    void assignError(const TSourceLoc& line, const char* op, TString left, TString right);
+    void unaryOpError(const TSourceLoc& line, const char* op, TString operand);
+    void binaryOpError(const TSourceLoc& line, const char* op, TString left, TString right);
+    bool precisionErrorCheck(const TSourceLoc& line, TPrecision precision, TBasicType type);
+    bool lValueErrorCheck(const TSourceLoc& line, const char* op, TIntermTyped*);
     bool constErrorCheck(TIntermTyped* node);
     bool integerErrorCheck(TIntermTyped* node, const char* token);
-    bool globalErrorCheck(int line, bool global, const char* token);
-    bool constructorErrorCheck(int line, TIntermNode*, TFunction&, TOperator, TType*);
-    bool arraySizeErrorCheck(int line, TIntermTyped* expr, int& size);
-    bool arrayQualifierErrorCheck(int line, TPublicType type);
-    bool arrayTypeErrorCheck(int line, TPublicType type);
-    bool arrayErrorCheck(int line, const TString& identifier, const TPublicType &type, TVariable*& variable);
-    bool voidErrorCheck(int, const TString&, const TPublicType&);
-    bool boolErrorCheck(int, const TIntermTyped*);
-    bool boolErrorCheck(int, const TPublicType&);
-    bool samplerErrorCheck(int line, const TPublicType& pType, const char* reason);
-    bool structQualifierErrorCheck(int line, const TPublicType& pType);
-    bool locationDeclaratorListCheck(int line, const TPublicType &pType);
-    bool parameterSamplerErrorCheck(int line, TQualifier qualifier, const TType& type);
-    bool nonInitConstErrorCheck(int line, const TString& identifier, TPublicType& type, bool array);
-    bool nonInitErrorCheck(int line, const TString& identifier, const TPublicType& type, TVariable*& variable);
-    bool paramErrorCheck(int line, TQualifier qualifier, TQualifier paramQualifier, TType* type);
-    bool extensionErrorCheck(int line, const TString&);
-    bool singleDeclarationErrorCheck(TPublicType &publicType, TSourceLoc identifierLocation, const TString &identifier);
-    bool layoutLocationErrorCheck(TSourceLoc location, const TLayoutQualifier &layoutQualifier);
+    bool globalErrorCheck(const TSourceLoc& line, bool global, const char* token);
+    bool constructorErrorCheck(const TSourceLoc& line, TIntermNode*, TFunction&, TOperator, TType*);
+    bool arraySizeErrorCheck(const TSourceLoc& line, TIntermTyped* expr, int& size);
+    bool arrayQualifierErrorCheck(const TSourceLoc& line, TPublicType type);
+    bool arrayTypeErrorCheck(const TSourceLoc& line, TPublicType type);
+    bool arrayErrorCheck(const TSourceLoc& line, const TString& identifier, const TPublicType &type, TVariable*& variable);
+    bool voidErrorCheck(const TSourceLoc&, const TString&, const TPublicType&);
+    bool boolErrorCheck(const TSourceLoc&, const TIntermTyped*);
+    bool boolErrorCheck(const TSourceLoc&, const TPublicType&);
+    bool samplerErrorCheck(const TSourceLoc& line, const TPublicType& pType, const char* reason);
+    bool structQualifierErrorCheck(const TSourceLoc& line, const TPublicType& pType);
+    bool locationDeclaratorListCheck(const TSourceLoc& line, const TPublicType &pType);
+    bool parameterSamplerErrorCheck(const TSourceLoc& line, TQualifier qualifier, const TType& type);
+    bool nonInitConstErrorCheck(const TSourceLoc& line, const TString& identifier, TPublicType& type, bool array);
+    bool nonInitErrorCheck(const TSourceLoc& line, const TString& identifier, const TPublicType& type, TVariable*& variable);
+    bool paramErrorCheck(const TSourceLoc& line, TQualifier qualifier, TQualifier paramQualifier, TType* type);
+    bool extensionErrorCheck(const TSourceLoc& line, const TString&);
+    bool singleDeclarationErrorCheck(TPublicType &publicType, const TSourceLoc& identifierLocation, const TString &identifier);
+    bool layoutLocationErrorCheck(const TSourceLoc& location, const TLayoutQualifier &layoutQualifier);
 
     const TPragma& pragma() const { return directiveHandler.pragma(); }
     const TExtensionBehavior& extensionBehavior() const { return directiveHandler.extensionBehavior(); }
     bool supportsExtension(const char* extension);
+    void handleExtensionDirective(const TSourceLoc& loc, const char* extName, const char* behavior);
+    void handlePragmaDirective(const TSourceLoc& loc, const char* name, const char* value);
 
     bool containsSampler(TType& type);
     bool areAllChildConst(TIntermAggregate* aggrNode);
-    const TFunction* findFunction(int line, TFunction* pfnCall, int shaderVersion, bool *builtIn = 0);
-    bool executeInitializer(TSourceLoc line, const TString& identifier, TPublicType& pType,
+    const TFunction* findFunction(const TSourceLoc& line, TFunction* pfnCall, int shaderVersion, bool *builtIn = 0);
+    bool executeInitializer(const TSourceLoc& line, const TString& identifier, TPublicType& pType,
                             TIntermTyped* initializer, TIntermNode*& intermNode, TVariable* variable = 0);
-    bool arraySetMaxSize(TIntermSymbol*, TType*, int, bool, TSourceLoc);
+    bool arraySetMaxSize(TIntermSymbol*, TType*, int, bool, const TSourceLoc&);
 
     TPublicType addFullySpecifiedType(TQualifier qualifier, const TPublicType& typeSpecifier);
     TPublicType addFullySpecifiedType(TQualifier qualifier, TLayoutQualifier layoutQualifier, const TPublicType& typeSpecifier);
-    TIntermAggregate* parseSingleDeclaration(TPublicType &publicType, TSourceLoc identifierLocation, const TString &identifier);
-    TIntermAggregate* parseSingleArrayDeclaration(TPublicType &publicType, TSourceLoc identifierLocation, const TString &identifier, TSourceLoc indexLocation, TIntermTyped *indexExpression);
-    TIntermAggregate* parseSingleInitDeclaration(TPublicType &publicType, TSourceLoc identifierLocation, const TString &identifier, TSourceLoc initLocation, TIntermTyped *initializer);
-    TIntermAggregate* parseDeclarator(TPublicType &publicType, TIntermAggregate *aggregateDeclaration, TSymbol *identifierSymbol, TSourceLoc identifierLocation, const TString &identifier);
-    TIntermAggregate* parseArrayDeclarator(TPublicType &publicType, TSourceLoc identifierLocation, const TString &identifier, TSourceLoc arrayLocation, TIntermNode *declaratorList, TIntermTyped *indexExpression);
-    TIntermAggregate* parseInitDeclarator(TPublicType &publicType, TIntermAggregate *declaratorList, TSourceLoc identifierLocation, const TString &identifier, TSourceLoc initLocation, TIntermTyped *initializer);
+    TIntermAggregate* parseSingleDeclaration(TPublicType &publicType, const TSourceLoc& identifierLocation, const TString &identifier);
+    TIntermAggregate* parseSingleArrayDeclaration(TPublicType &publicType, const TSourceLoc& identifierLocation, const TString &identifier, const TSourceLoc& indexLocation, TIntermTyped *indexExpression);
+    TIntermAggregate* parseSingleInitDeclaration(TPublicType &publicType, const TSourceLoc& identifierLocation, const TString &identifier, const TSourceLoc& initLocation, TIntermTyped *initializer);
+    TIntermAggregate* parseDeclarator(TPublicType &publicType, TIntermAggregate *aggregateDeclaration, TSymbol *identifierSymbol, const TSourceLoc& identifierLocation, const TString &identifier);
+    TIntermAggregate* parseArrayDeclarator(TPublicType &publicType, const TSourceLoc& identifierLocation, const TString &identifier, const TSourceLoc& arrayLocation, TIntermNode *declaratorList, TIntermTyped *indexExpression);
+    TIntermAggregate* parseInitDeclarator(TPublicType &publicType, TIntermAggregate *declaratorList, const TSourceLoc& identifierLocation, const TString &identifier, const TSourceLoc& initLocation, TIntermTyped *initializer);
     void parseGlobalLayoutQualifier(const TPublicType &typeQualifier);
     TFunction *addConstructorFunc(TPublicType publicType);
-    TIntermTyped* addConstructor(TIntermNode*, const TType*, TOperator, TFunction*, TSourceLoc);
+    TIntermTyped* addConstructor(TIntermNode*, const TType*, TOperator, TFunction*, const TSourceLoc&);
     TIntermTyped* foldConstConstructor(TIntermAggregate* aggrNode, const TType& type);
-    TIntermTyped* constructStruct(TIntermNode*, TType*, int, TSourceLoc, bool subset);
-    TIntermTyped* constructBuiltIn(const TType*, TOperator, TIntermNode*, TSourceLoc, bool subset);
-    TIntermTyped* addConstVectorNode(TVectorFields&, TIntermTyped*, TSourceLoc);
-    TIntermTyped* addConstMatrixNode(int , TIntermTyped*, TSourceLoc);
-    TIntermTyped* addConstArrayNode(int index, TIntermTyped* node, TSourceLoc line);
-    TIntermTyped* addConstStruct(const TString &identifier, TIntermTyped *node, TSourceLoc line);
-    TIntermTyped* addIndexExpression(TIntermTyped *baseExpression, TSourceLoc location, TIntermTyped *indexExpression);
-    TIntermTyped* addFieldSelectionExpression(TIntermTyped *baseExpression, TSourceLoc dotLocation, const TString &fieldString, TSourceLoc fieldLocation);
+    TIntermTyped* constructStruct(TIntermNode*, TType*, int, const TSourceLoc&, bool subset);
+    TIntermTyped* constructBuiltIn(const TType*, TOperator, TIntermNode*, const TSourceLoc&, bool subset);
+    TIntermTyped* addConstVectorNode(TVectorFields&, TIntermTyped*, const TSourceLoc&);
+    TIntermTyped* addConstMatrixNode(int , TIntermTyped*, const TSourceLoc&);
+    TIntermTyped* addConstArrayNode(int index, TIntermTyped* node, const TSourceLoc& line);
+    TIntermTyped* addConstStruct(const TString &identifier, TIntermTyped *node, const TSourceLoc& line);
+    TIntermTyped* addIndexExpression(TIntermTyped *baseExpression, const TSourceLoc& location, TIntermTyped *indexExpression);
+    TIntermTyped* addFieldSelectionExpression(TIntermTyped *baseExpression, const TSourceLoc& dotLocation, const TString &fieldString, const TSourceLoc& fieldLocation);
 
     TTypeList *addStructDeclaratorList(const TPublicType& typeSpecifier, TTypeList *typeList);
-    TPublicType addStructure(TSourceLoc structLine, TSourceLoc nameLine, const TString &structName, TTypeList* typeList);
+    TPublicType addStructure(const TSourceLoc& structLine, const TSourceLoc& nameLine, const TString &structName, TTypeList* typeList);
 
-    TIntermAggregate* addInterfaceBlock(const TPublicType& typeQualifier, TSourceLoc nameLine, const TString& blockName, TTypeList* typeList, 
-                                        const TString& instanceName, TSourceLoc instanceLine, TIntermTyped* arrayIndex, TSourceLoc arrayIndexLine);
+    TIntermAggregate* addInterfaceBlock(const TPublicType& typeQualifier, const TSourceLoc& nameLine, const TString& blockName, TTypeList* typeList, 
+                                        const TString& instanceName, const TSourceLoc& instanceLine, TIntermTyped* arrayIndex, const TSourceLoc& arrayIndexLine);
 
-    TLayoutQualifier parseLayoutQualifier(const TString &qualifierType, TSourceLoc qualifierTypeLine);
-    TLayoutQualifier parseLayoutQualifier(const TString &qualifierType, TSourceLoc qualifierTypeLine, const TString &intValueString, int intValue, TSourceLoc intValueLine);
+    TLayoutQualifier parseLayoutQualifier(const TString &qualifierType, const TSourceLoc& qualifierTypeLine);
+    TLayoutQualifier parseLayoutQualifier(const TString &qualifierType, const TSourceLoc& qualifierTypeLine, const TString &intValueString, int intValue, const TSourceLoc& intValueLine);
     TLayoutQualifier joinLayoutQualifiers(TLayoutQualifier leftQualifier, TLayoutQualifier rightQualifier);
 
     // Performs an error check for embedded struct declarations.
     // Returns true if an error was raised due to the declaration of
     // this struct.
-    bool enterStructDeclaration(TSourceLoc line, const TString& identifier);
+    bool enterStructDeclaration(const TSourceLoc& line, const TString& identifier);
     void exitStructDeclaration();
 
-    bool structNestingErrorCheck(TSourceLoc line, const TType& fieldType);
+    bool structNestingErrorCheck(const TSourceLoc& line, const TType& fieldType);
 };
 
 int PaParseStrings(size_t count, const char* const string[], const int length[],
diff --git a/src/compiler/Types.h b/src/compiler/Types.h
index 4d3daf5..6a39e24 100644
--- a/src/compiler/Types.h
+++ b/src/compiler/Types.h
@@ -19,7 +19,7 @@
 //
 struct TTypeLine {
     TType* type;
-    int line;
+    TSourceLoc line;
 };
 typedef TVector<TTypeLine> TTypeList;
 
@@ -288,9 +288,9 @@
     bool array;
     int arraySize;
     TType* userDef;
-    int line;
+    TSourceLoc line;
 
-    void setBasic(TBasicType bt, TQualifier q, int ln = 0)
+    void setBasic(TBasicType bt, TQualifier q, const TSourceLoc& ln)
     {
         type = bt;
         layoutQualifier = TLayoutQualifier::create();
diff --git a/src/compiler/glslang.l b/src/compiler/glslang.l
index f5a19a7..d485e74 100644
--- a/src/compiler/glslang.l
+++ b/src/compiler/glslang.l
@@ -47,7 +47,10 @@
 #pragma warning(disable : 4102)
 #endif
 
-#define YY_USER_ACTION yylval->lex.line = yylineno;
+#define YY_USER_ACTION                                 \
+    yylloc->first_file = yylloc->last_file = yycolumn; \
+    yylloc->first_line = yylloc->last_line = yylineno;
+
 #define YY_INPUT(buf, result, max_size) \
     result = string_input(buf, max_size, yyscanner);
 
@@ -62,7 +65,7 @@
 %}
 
 %option noyywrap nounput never-interactive
-%option yylineno reentrant bison-bridge
+%option yylineno reentrant bison-bridge bison-locations
 %option extra-type="TParseContext*"
 
 D           [0-9]
@@ -377,7 +380,8 @@
     yy_size_t len = token.type == pp::Token::LAST ? 0 : token.text.size();
     if (len < max_size)
         memcpy(buf, token.text.c_str(), len);
-    yyset_lineno(EncodeSourceLoc(token.location.file, token.location.line), yyscanner);
+    yyset_column(token.location.file, yyscanner);
+    yyset_lineno(token.location.line, yyscanner);
 
     if (len >= max_size)
         YY_FATAL_ERROR("Input buffer overflow");
@@ -404,7 +408,7 @@
 int reserved_word(yyscan_t yyscanner) {
     struct yyguts_t* yyg = (struct yyguts_t*) yyscanner;
 
-    yyextra->error(yylineno, "Illegal use of reserved word", yytext, "");
+    yyextra->error(*yylloc, "Illegal use of reserved word", yytext, "");
     yyextra->recover();
     return 0;
 }
@@ -457,7 +461,7 @@
 
     if (context->shaderVersion < 300)
     {
-        context->error(yylineno, "Unsigned integers are unsupported prior to GLSL ES 3.00", yytext, "");
+        context->error(*yylloc, "Unsigned integers are unsupported prior to GLSL ES 3.00", yytext, "");
         context->recover();
         return 0;
     }
@@ -473,7 +477,7 @@
 
     if (context->shaderVersion < 300)
     {
-        context->error(yylineno, "Floating-point suffix unsupported prior to GLSL ES 3.00", yytext);
+        context->error(*yylloc, "Floating-point suffix unsupported prior to GLSL ES 3.00", yytext);
         context->recover();
         return 0;
     }
@@ -481,13 +485,6 @@
     return(FLOATCONSTANT);
 }
 
-void yyerror(TParseContext* context, const char* reason) {
-    struct yyguts_t* yyg = (struct yyguts_t*) context->scanner;
-
-    context->error(yylineno, reason, yytext);
-    context->recover();
-}
-
 int glslang_initialize(TParseContext* context) {
     yyscan_t scanner = NULL;
     if (yylex_init_extra(context, &scanner))
@@ -510,7 +507,8 @@
 int glslang_scan(size_t count, const char* const string[], const int length[],
                  TParseContext* context) {
     yyrestart(NULL, context->scanner);
-    yyset_lineno(EncodeSourceLoc(0, 1), context->scanner);
+    yyset_column(0, context->scanner);
+    yyset_lineno(1, context->scanner);
 
     // Initialize preprocessor.
     if (!context->preprocessor.init(count, string, length))
diff --git a/src/compiler/glslang.y b/src/compiler/glslang.y
index 951a79c..5d85ab5 100644
--- a/src/compiler/glslang.y
+++ b/src/compiler/glslang.y
@@ -39,7 +39,6 @@
 #include "GLSLANG/ShaderLang.h"
 
 #define YYENABLE_NLS 0
-#define YYLTYPE_IS_TRIVIAL 1
 
 #define YYLEX_PARAM context->scanner
 
@@ -47,10 +46,15 @@
 %expect 1 /* One shift reduce conflict because of if | else */
 %pure-parser
 %parse-param {TParseContext* context}
+%locations
+
+%code requires {
+#define YYLTYPE TSourceLoc
+#define YYLTYPE_IS_DECLARED 1
+}
 
 %union {
     struct {
-        TSourceLoc line;
         union {
             TString *string;
             float f;
@@ -61,7 +65,6 @@
         TSymbol* symbol;
     } lex;
     struct {
-        TSourceLoc line;
         TOperator op;
         union {
             TIntermNode* intermNode;
@@ -83,8 +86,24 @@
 }
 
 %{
-extern int yylex(YYSTYPE* yylval_param, void* yyscanner);
-extern void yyerror(TParseContext* context, const char* reason);
+extern int yylex(YYSTYPE* yylval_param, YYLTYPE* yylloc, void* yyscanner);
+extern void yyerror(YYLTYPE* yylloc, TParseContext* context, const char* reason);
+
+#define YYLLOC_DEFAULT(Current, Rhs, N)                      \
+  do {                                                       \
+      if (YYID(N)) {                                         \
+        (Current).first_file = YYRHSLOC(Rhs, 1).first_file;  \
+        (Current).first_line = YYRHSLOC(Rhs, 1).first_line;  \
+        (Current).last_file = YYRHSLOC(Rhs, N).last_file;    \
+        (Current).last_line = YYRHSLOC(Rhs, N).last_line;    \
+      }                                                      \
+      else {                                                 \
+        (Current).first_file = YYRHSLOC(Rhs, 0).last_file;   \
+        (Current).first_line = YYRHSLOC(Rhs, 0).last_line;   \
+        (Current).last_file = YYRHSLOC(Rhs, 0).last_file;    \
+        (Current).last_line = YYRHSLOC(Rhs, 0).last_line;    \
+      }                                                      \
+  } while (0)
 
 #define FRAG_VERT_ONLY(S, L) {  \
     if (context->shaderType != SH_FRAGMENT_SHADER &&  \
@@ -200,7 +219,7 @@
         const TSymbol* symbol = $1.symbol;
         const TVariable* variable;
         if (symbol == 0) {
-            context->error($1.line, "undeclared identifier", $1.string->c_str());
+            context->error(@1, "undeclared identifier", $1.string->c_str());
             context->recover();
             TType type(EbtFloat, EbpUndefined);
             TVariable* fakeVariable = new TVariable($1.string, type);
@@ -209,7 +228,7 @@
         } else {
             // This identifier can only be a variable type symbol
             if (! symbol->isVariable()) {
-                context->error($1.line, "variable expected", $1.string->c_str());
+                context->error(@1, "variable expected", $1.string->c_str());
                 context->recover();
             }
             variable = static_cast<const TVariable*>(symbol);
@@ -221,11 +240,11 @@
         if (variable->getType().getQualifier() == EvqConst ) {
             ConstantUnion* constArray = variable->getConstPointer();
             TType t(variable->getType());
-            $$ = context->intermediate.addConstantUnion(constArray, t, $1.line);
+            $$ = context->intermediate.addConstantUnion(constArray, t, @1);
         } else
             $$ = context->intermediate.addSymbol(variable->getUniqueId(),
                                                      variable->getName(),
-                                                     variable->getType(), $1.line);
+                                                     variable->getType(), @1);
     }
     ;
 
@@ -236,22 +255,22 @@
     | INTCONSTANT {
         ConstantUnion *unionArray = new ConstantUnion[1];
         unionArray->setIConst($1.i);
-        $$ = context->intermediate.addConstantUnion(unionArray, TType(EbtInt, EbpUndefined, EvqConst), $1.line);
+        $$ = context->intermediate.addConstantUnion(unionArray, TType(EbtInt, EbpUndefined, EvqConst), @1);
     }
     | UINTCONSTANT {
         ConstantUnion *unionArray = new ConstantUnion[1];
         unionArray->setUConst($1.u);
-        $$ = context->intermediate.addConstantUnion(unionArray, TType(EbtUInt, EbpUndefined, EvqConst), $1.line);
+        $$ = context->intermediate.addConstantUnion(unionArray, TType(EbtUInt, EbpUndefined, EvqConst), @1);
     }
     | FLOATCONSTANT {
         ConstantUnion *unionArray = new ConstantUnion[1];
         unionArray->setFConst($1.f);
-        $$ = context->intermediate.addConstantUnion(unionArray, TType(EbtFloat, EbpUndefined, EvqConst), $1.line);
+        $$ = context->intermediate.addConstantUnion(unionArray, TType(EbtFloat, EbpUndefined, EvqConst), @1);
     }
     | BOOLCONSTANT {
         ConstantUnion *unionArray = new ConstantUnion[1];
         unionArray->setBConst($1.b);
-        $$ = context->intermediate.addConstantUnion(unionArray, TType(EbtBool, EbpUndefined, EvqConst), $1.line);
+        $$ = context->intermediate.addConstantUnion(unionArray, TType(EbtBool, EbpUndefined, EvqConst), @1);
     }
     | LEFT_PAREN expression RIGHT_PAREN {
         $$ = $2;
@@ -263,30 +282,30 @@
         $$ = $1;
     }
     | postfix_expression LEFT_BRACKET integer_expression RIGHT_BRACKET {
-        $$ = context->addIndexExpression($1, $2.line, $3);
+        $$ = context->addIndexExpression($1, @2, $3);
     }
     | function_call {
         $$ = $1;
     }
     | postfix_expression DOT identifier {
-        $$ = context->addFieldSelectionExpression($1, $2.line, *$3.string, $3.line);
+        $$ = context->addFieldSelectionExpression($1, @2, *$3.string, @3);
     }
     | postfix_expression INC_OP {
-        if (context->lValueErrorCheck($2.line, "++", $1))
+        if (context->lValueErrorCheck(@2, "++", $1))
             context->recover();
-        $$ = context->intermediate.addUnaryMath(EOpPostIncrement, $1, $2.line);
+        $$ = context->intermediate.addUnaryMath(EOpPostIncrement, $1, @2);
         if ($$ == 0) {
-            context->unaryOpError($2.line, "++", $1->getCompleteString());
+            context->unaryOpError(@2, "++", $1->getCompleteString());
             context->recover();
             $$ = $1;
         }
     }
     | postfix_expression DEC_OP {
-        if (context->lValueErrorCheck($2.line, "--", $1))
+        if (context->lValueErrorCheck(@2, "--", $1))
             context->recover();
-        $$ = context->intermediate.addUnaryMath(EOpPostDecrement, $1, $2.line);
+        $$ = context->intermediate.addUnaryMath(EOpPostDecrement, $1, @2);
         if ($$ == 0) {
-            context->unaryOpError($2.line, "--", $1->getCompleteString());
+            context->unaryOpError(@2, "--", $1->getCompleteString());
             context->recover();
             $$ = $1;
         }
@@ -314,18 +333,18 @@
             // Their parameters will be verified algorithmically.
             //
             TType type(EbtVoid, EbpUndefined);  // use this to get the type back
-            if (context->constructorErrorCheck($1.line, $1.intermNode, *fnCall, op, &type)) {
+            if (context->constructorErrorCheck(@1, $1.intermNode, *fnCall, op, &type)) {
                 $$ = 0;
             } else {
                 //
                 // It's a constructor, of type 'type'.
                 //
-                $$ = context->addConstructor($1.intermNode, &type, op, fnCall, $1.line);
+                $$ = context->addConstructor($1.intermNode, &type, op, fnCall, @1);
             }
 
             if ($$ == 0) {
                 context->recover();
-                $$ = context->intermediate.setAggregateOperator(0, op, $1.line);
+                $$ = context->intermediate.setAggregateOperator(0, op, @1);
             }
             $$->setType(type);
         } else {
@@ -334,13 +353,13 @@
             //
             const TFunction* fnCandidate;
             bool builtIn;
-            fnCandidate = context->findFunction($1.line, fnCall, context->shaderVersion, &builtIn);
+            fnCandidate = context->findFunction(@1, fnCall, context->shaderVersion, &builtIn);
             if (fnCandidate) {
                 //
                 // A declared function.
                 //
                 if (builtIn && !fnCandidate->getExtension().empty() &&
-                    context->extensionErrorCheck($1.line, fnCandidate->getExtension())) {
+                    context->extensionErrorCheck(@1, fnCandidate->getExtension())) {
                     context->recover();
                 }
                 op = fnCandidate->getBuiltInOp();
@@ -352,7 +371,7 @@
                         //
                         // Treat it like a built-in unary operator.
                         //
-                        $$ = context->intermediate.addUnaryMath(op, $1.intermNode, 0);
+                        $$ = context->intermediate.addUnaryMath(op, $1.intermNode, @1);
                         if ($$ == 0)  {
                             std::stringstream extraInfoStream;
                             extraInfoStream << "built in unary operator function.  Type: " << static_cast<TIntermTyped*>($1.intermNode)->getCompleteString();
@@ -361,12 +380,12 @@
                             YYERROR;
                         }
                     } else {
-                        $$ = context->intermediate.setAggregateOperator($1.intermAggregate, op, $1.line);
+                        $$ = context->intermediate.setAggregateOperator($1.intermAggregate, op, @1);
                     }
                 } else {
                     // This is a real function call
 
-                    $$ = context->intermediate.setAggregateOperator($1.intermAggregate, EOpFunctionCall, $1.line);
+                    $$ = context->intermediate.setAggregateOperator($1.intermAggregate, EOpFunctionCall, @1);
                     $$->setType(fnCandidate->getReturnType());
 
                     // this is how we know whether the given function is a builtIn function or a user defined function
@@ -393,7 +412,7 @@
                 // Put on a dummy node for error recovery
                 ConstantUnion *unionArray = new ConstantUnion[1];
                 unionArray->setFConst(0.0f);
-                $$ = context->intermediate.addConstantUnion(unionArray, TType(EbtFloat, EbpUndefined, EvqConst), $1.line);
+                $$ = context->intermediate.addConstantUnion(unionArray, TType(EbtFloat, EbpUndefined, EvqConst), @1);
                 context->recover();
             }
         }
@@ -406,7 +425,7 @@
         $$ = $1;
     }
     | postfix_expression DOT function_call_generic {
-        context->error($3.line, "methods are not supported", "");
+        context->error(@3, "methods are not supported", "");
         context->recover();
         $$ = $3;
     }
@@ -415,11 +434,9 @@
 function_call_generic
     : function_call_header_with_parameters RIGHT_PAREN {
         $$ = $1;
-        $$.line = $2.line;
     }
     | function_call_header_no_parameters RIGHT_PAREN {
         $$ = $1;
-        $$.line = $2.line;
     }
     ;
 
@@ -445,7 +462,7 @@
         TParameter param = { 0, new TType($3->getType()) };
         $1.function->addParameter(param);
         $$.function = $1.function;
-        $$.intermNode = context->intermediate.growAggregate($1.intermNode, $3, $2.line);
+        $$.intermNode = context->intermediate.growAggregate($1.intermNode, $3, @2);
     }
     ;
 
@@ -462,7 +479,7 @@
         $$ = context->addConstructorFunc($1);
     }
     | IDENTIFIER {
-        if (context->reservedErrorCheck($1.line, *$1.string))
+        if (context->reservedErrorCheck(@1, *$1.string))
             context->recover();
         TType type(EbtVoid, EbpUndefined);
         TFunction *function = new TFunction($1.string, type);
@@ -475,28 +492,28 @@
         $$ = $1;
     }
     | INC_OP unary_expression {
-        if (context->lValueErrorCheck($1.line, "++", $2))
+        if (context->lValueErrorCheck(@1, "++", $2))
             context->recover();
-        $$ = context->intermediate.addUnaryMath(EOpPreIncrement, $2, $1.line);
+        $$ = context->intermediate.addUnaryMath(EOpPreIncrement, $2, @1);
         if ($$ == 0) {
-            context->unaryOpError($1.line, "++", $2->getCompleteString());
+            context->unaryOpError(@1, "++", $2->getCompleteString());
             context->recover();
             $$ = $2;
         }
     }
     | DEC_OP unary_expression {
-        if (context->lValueErrorCheck($1.line, "--", $2))
+        if (context->lValueErrorCheck(@1, "--", $2))
             context->recover();
-        $$ = context->intermediate.addUnaryMath(EOpPreDecrement, $2, $1.line);
+        $$ = context->intermediate.addUnaryMath(EOpPreDecrement, $2, @1);
         if ($$ == 0) {
-            context->unaryOpError($1.line, "--", $2->getCompleteString());
+            context->unaryOpError(@1, "--", $2->getCompleteString());
             context->recover();
             $$ = $2;
         }
     }
     | unary_operator unary_expression {
         if ($1.op != EOpNull) {
-            $$ = context->intermediate.addUnaryMath($1.op, $2, $1.line);
+            $$ = context->intermediate.addUnaryMath($1.op, $2, @1);
             if ($$ == 0) {
                 const char* errorOp = "";
                 switch($1.op) {
@@ -504,7 +521,7 @@
                 case EOpLogicalNot: errorOp = "!"; break;
                 default: break;
                 }
-                context->unaryOpError($1.line, errorOp, $2->getCompleteString());
+                context->unaryOpError(@1, errorOp, $2->getCompleteString());
                 context->recover();
                 $$ = $2;
             }
@@ -515,28 +532,28 @@
 // Grammar Note:  No traditional style type casts.
 
 unary_operator
-    : PLUS  { $$.line = $1.line; $$.op = EOpNull; }
-    | DASH  { $$.line = $1.line; $$.op = EOpNegative; }
-    | BANG  { $$.line = $1.line; $$.op = EOpLogicalNot; }
+    : PLUS  { $$.op = EOpNull; }
+    | DASH  { $$.op = EOpNegative; }
+    | BANG  { $$.op = EOpLogicalNot; }
     ;
 // Grammar Note:  No '*' or '&' unary ops.  Pointers are not supported.
 
 multiplicative_expression
     : unary_expression { $$ = $1; }
     | multiplicative_expression STAR unary_expression {
-        FRAG_VERT_ONLY("*", $2.line);
-        $$ = context->intermediate.addBinaryMath(EOpMul, $1, $3, $2.line);
+        FRAG_VERT_ONLY("*", @2);
+        $$ = context->intermediate.addBinaryMath(EOpMul, $1, $3, @2);
         if ($$ == 0) {
-            context->binaryOpError($2.line, "*", $1->getCompleteString(), $3->getCompleteString());
+            context->binaryOpError(@2, "*", $1->getCompleteString(), $3->getCompleteString());
             context->recover();
             $$ = $1;
         }
     }
     | multiplicative_expression SLASH unary_expression {
-        FRAG_VERT_ONLY("/", $2.line);
-        $$ = context->intermediate.addBinaryMath(EOpDiv, $1, $3, $2.line);
+        FRAG_VERT_ONLY("/", @2);
+        $$ = context->intermediate.addBinaryMath(EOpDiv, $1, $3, @2);
         if ($$ == 0) {
-            context->binaryOpError($2.line, "/", $1->getCompleteString(), $3->getCompleteString());
+            context->binaryOpError(@2, "/", $1->getCompleteString(), $3->getCompleteString());
             context->recover();
             $$ = $1;
         }
@@ -546,17 +563,17 @@
 additive_expression
     : multiplicative_expression { $$ = $1; }
     | additive_expression PLUS multiplicative_expression {
-        $$ = context->intermediate.addBinaryMath(EOpAdd, $1, $3, $2.line);
+        $$ = context->intermediate.addBinaryMath(EOpAdd, $1, $3, @2);
         if ($$ == 0) {
-            context->binaryOpError($2.line, "+", $1->getCompleteString(), $3->getCompleteString());
+            context->binaryOpError(@2, "+", $1->getCompleteString(), $3->getCompleteString());
             context->recover();
             $$ = $1;
         }
     }
     | additive_expression DASH multiplicative_expression {
-        $$ = context->intermediate.addBinaryMath(EOpSub, $1, $3, $2.line);
+        $$ = context->intermediate.addBinaryMath(EOpSub, $1, $3, @2);
         if ($$ == 0) {
-            context->binaryOpError($2.line, "-", $1->getCompleteString(), $3->getCompleteString());
+            context->binaryOpError(@2, "-", $1->getCompleteString(), $3->getCompleteString());
             context->recover();
             $$ = $1;
         }
@@ -570,43 +587,43 @@
 relational_expression
     : shift_expression { $$ = $1; }
     | relational_expression LEFT_ANGLE shift_expression {
-        $$ = context->intermediate.addBinaryMath(EOpLessThan, $1, $3, $2.line);
+        $$ = context->intermediate.addBinaryMath(EOpLessThan, $1, $3, @2);
         if ($$ == 0) {
-            context->binaryOpError($2.line, "<", $1->getCompleteString(), $3->getCompleteString());
+            context->binaryOpError(@2, "<", $1->getCompleteString(), $3->getCompleteString());
             context->recover();
             ConstantUnion *unionArray = new ConstantUnion[1];
             unionArray->setBConst(false);
-            $$ = context->intermediate.addConstantUnion(unionArray, TType(EbtBool, EbpUndefined, EvqConst), $2.line);
+            $$ = context->intermediate.addConstantUnion(unionArray, TType(EbtBool, EbpUndefined, EvqConst), @2);
         }
     }
     | relational_expression RIGHT_ANGLE shift_expression  {
-        $$ = context->intermediate.addBinaryMath(EOpGreaterThan, $1, $3, $2.line);
+        $$ = context->intermediate.addBinaryMath(EOpGreaterThan, $1, $3, @2);
         if ($$ == 0) {
-            context->binaryOpError($2.line, ">", $1->getCompleteString(), $3->getCompleteString());
+            context->binaryOpError(@2, ">", $1->getCompleteString(), $3->getCompleteString());
             context->recover();
             ConstantUnion *unionArray = new ConstantUnion[1];
             unionArray->setBConst(false);
-            $$ = context->intermediate.addConstantUnion(unionArray, TType(EbtBool, EbpUndefined, EvqConst), $2.line);
+            $$ = context->intermediate.addConstantUnion(unionArray, TType(EbtBool, EbpUndefined, EvqConst), @2);
         }
     }
     | relational_expression LE_OP shift_expression  {
-        $$ = context->intermediate.addBinaryMath(EOpLessThanEqual, $1, $3, $2.line);
+        $$ = context->intermediate.addBinaryMath(EOpLessThanEqual, $1, $3, @2);
         if ($$ == 0) {
-            context->binaryOpError($2.line, "<=", $1->getCompleteString(), $3->getCompleteString());
+            context->binaryOpError(@2, "<=", $1->getCompleteString(), $3->getCompleteString());
             context->recover();
             ConstantUnion *unionArray = new ConstantUnion[1];
             unionArray->setBConst(false);
-            $$ = context->intermediate.addConstantUnion(unionArray, TType(EbtBool, EbpUndefined, EvqConst), $2.line);
+            $$ = context->intermediate.addConstantUnion(unionArray, TType(EbtBool, EbpUndefined, EvqConst), @2);
         }
     }
     | relational_expression GE_OP shift_expression  {
-        $$ = context->intermediate.addBinaryMath(EOpGreaterThanEqual, $1, $3, $2.line);
+        $$ = context->intermediate.addBinaryMath(EOpGreaterThanEqual, $1, $3, @2);
         if ($$ == 0) {
-            context->binaryOpError($2.line, ">=", $1->getCompleteString(), $3->getCompleteString());
+            context->binaryOpError(@2, ">=", $1->getCompleteString(), $3->getCompleteString());
             context->recover();
             ConstantUnion *unionArray = new ConstantUnion[1];
             unionArray->setBConst(false);
-            $$ = context->intermediate.addConstantUnion(unionArray, TType(EbtBool, EbpUndefined, EvqConst), $2.line);
+            $$ = context->intermediate.addConstantUnion(unionArray, TType(EbtBool, EbpUndefined, EvqConst), @2);
         }
     }
     ;
@@ -614,23 +631,23 @@
 equality_expression
     : relational_expression { $$ = $1; }
     | equality_expression EQ_OP relational_expression  {
-        $$ = context->intermediate.addBinaryMath(EOpEqual, $1, $3, $2.line);
+        $$ = context->intermediate.addBinaryMath(EOpEqual, $1, $3, @2);
         if ($$ == 0) {
-            context->binaryOpError($2.line, "==", $1->getCompleteString(), $3->getCompleteString());
+            context->binaryOpError(@2, "==", $1->getCompleteString(), $3->getCompleteString());
             context->recover();
             ConstantUnion *unionArray = new ConstantUnion[1];
             unionArray->setBConst(false);
-            $$ = context->intermediate.addConstantUnion(unionArray, TType(EbtBool, EbpUndefined, EvqConst), $2.line);
+            $$ = context->intermediate.addConstantUnion(unionArray, TType(EbtBool, EbpUndefined, EvqConst), @2);
         }
     }
     | equality_expression NE_OP relational_expression {
-        $$ = context->intermediate.addBinaryMath(EOpNotEqual, $1, $3, $2.line);
+        $$ = context->intermediate.addBinaryMath(EOpNotEqual, $1, $3, @2);
         if ($$ == 0) {
-            context->binaryOpError($2.line, "!=", $1->getCompleteString(), $3->getCompleteString());
+            context->binaryOpError(@2, "!=", $1->getCompleteString(), $3->getCompleteString());
             context->recover();
             ConstantUnion *unionArray = new ConstantUnion[1];
             unionArray->setBConst(false);
-            $$ = context->intermediate.addConstantUnion(unionArray, TType(EbtBool, EbpUndefined, EvqConst), $2.line);
+            $$ = context->intermediate.addConstantUnion(unionArray, TType(EbtBool, EbpUndefined, EvqConst), @2);
         }
     }
     ;
@@ -650,13 +667,13 @@
 logical_and_expression
     : inclusive_or_expression { $$ = $1; }
     | logical_and_expression AND_OP inclusive_or_expression {
-        $$ = context->intermediate.addBinaryMath(EOpLogicalAnd, $1, $3, $2.line);
+        $$ = context->intermediate.addBinaryMath(EOpLogicalAnd, $1, $3, @2);
         if ($$ == 0) {
-            context->binaryOpError($2.line, "&&", $1->getCompleteString(), $3->getCompleteString());
+            context->binaryOpError(@2, "&&", $1->getCompleteString(), $3->getCompleteString());
             context->recover();
             ConstantUnion *unionArray = new ConstantUnion[1];
             unionArray->setBConst(false);
-            $$ = context->intermediate.addConstantUnion(unionArray, TType(EbtBool, EbpUndefined, EvqConst), $2.line);
+            $$ = context->intermediate.addConstantUnion(unionArray, TType(EbtBool, EbpUndefined, EvqConst), @2);
         }
     }
     ;
@@ -664,13 +681,13 @@
 logical_xor_expression
     : logical_and_expression { $$ = $1; }
     | logical_xor_expression XOR_OP logical_and_expression  {
-        $$ = context->intermediate.addBinaryMath(EOpLogicalXor, $1, $3, $2.line);
+        $$ = context->intermediate.addBinaryMath(EOpLogicalXor, $1, $3, @2);
         if ($$ == 0) {
-            context->binaryOpError($2.line, "^^", $1->getCompleteString(), $3->getCompleteString());
+            context->binaryOpError(@2, "^^", $1->getCompleteString(), $3->getCompleteString());
             context->recover();
             ConstantUnion *unionArray = new ConstantUnion[1];
             unionArray->setBConst(false);
-            $$ = context->intermediate.addConstantUnion(unionArray, TType(EbtBool, EbpUndefined, EvqConst), $2.line);
+            $$ = context->intermediate.addConstantUnion(unionArray, TType(EbtBool, EbpUndefined, EvqConst), @2);
         }
     }
     ;
@@ -678,13 +695,13 @@
 logical_or_expression
     : logical_xor_expression { $$ = $1; }
     | logical_or_expression OR_OP logical_xor_expression  {
-        $$ = context->intermediate.addBinaryMath(EOpLogicalOr, $1, $3, $2.line);
+        $$ = context->intermediate.addBinaryMath(EOpLogicalOr, $1, $3, @2);
         if ($$ == 0) {
-            context->binaryOpError($2.line, "||", $1->getCompleteString(), $3->getCompleteString());
+            context->binaryOpError(@2, "||", $1->getCompleteString(), $3->getCompleteString());
             context->recover();
             ConstantUnion *unionArray = new ConstantUnion[1];
             unionArray->setBConst(false);
-            $$ = context->intermediate.addConstantUnion(unionArray, TType(EbtBool, EbpUndefined, EvqConst), $2.line);
+            $$ = context->intermediate.addConstantUnion(unionArray, TType(EbtBool, EbpUndefined, EvqConst), @2);
         }
     }
     ;
@@ -692,15 +709,15 @@
 conditional_expression
     : logical_or_expression { $$ = $1; }
     | logical_or_expression QUESTION expression COLON assignment_expression {
-       if (context->boolErrorCheck($2.line, $1))
+       if (context->boolErrorCheck(@2, $1))
             context->recover();
 
-        $$ = context->intermediate.addSelection($1, $3, $5, $2.line);
+        $$ = context->intermediate.addSelection($1, $3, $5, @2);
         if ($3->getType() != $5->getType())
             $$ = 0;
 
         if ($$ == 0) {
-            context->binaryOpError($2.line, ":", $3->getCompleteString(), $5->getCompleteString());
+            context->binaryOpError(@2, ":", $3->getCompleteString(), $5->getCompleteString());
             context->recover();
             $$ = $5;
         }
@@ -710,11 +727,11 @@
 assignment_expression
     : conditional_expression { $$ = $1; }
     | unary_expression assignment_operator assignment_expression {
-        if (context->lValueErrorCheck($2.line, "assign", $1))
+        if (context->lValueErrorCheck(@2, "assign", $1))
             context->recover();
-        $$ = context->intermediate.addAssign($2.op, $1, $3, $2.line);
+        $$ = context->intermediate.addAssign($2.op, $1, $3, @2);
         if ($$ == 0) {
-            context->assignError($2.line, "assign", $1->getCompleteString(), $3->getCompleteString());
+            context->assignError(@2, "assign", $1->getCompleteString(), $3->getCompleteString());
             context->recover();
             $$ = $1;
         }
@@ -722,11 +739,11 @@
     ;
 
 assignment_operator
-    : EQUAL        {                                    $$.line = $1.line; $$.op = EOpAssign; }
-    | MUL_ASSIGN   { FRAG_VERT_ONLY("*=", $1.line);     $$.line = $1.line; $$.op = EOpMulAssign; }
-    | DIV_ASSIGN   { FRAG_VERT_ONLY("/=", $1.line);     $$.line = $1.line; $$.op = EOpDivAssign; }
-    | ADD_ASSIGN   {                                    $$.line = $1.line; $$.op = EOpAddAssign; }
-    | SUB_ASSIGN   {                                    $$.line = $1.line; $$.op = EOpSubAssign; }
+    : EQUAL        {                               $$.op = EOpAssign; }
+    | MUL_ASSIGN   { FRAG_VERT_ONLY("*=", @1);     $$.op = EOpMulAssign; }
+    | DIV_ASSIGN   { FRAG_VERT_ONLY("/=", @1);     $$.op = EOpDivAssign; }
+    | ADD_ASSIGN   {                               $$.op = EOpAddAssign; }
+    | SUB_ASSIGN   {                               $$.op = EOpSubAssign; }
     ;
 
 expression
@@ -734,9 +751,9 @@
         $$ = $1;
     }
     | expression COMMA assignment_expression {
-        $$ = context->intermediate.addComma($1, $3, $2.line);
+        $$ = context->intermediate.addComma($1, $3, @2);
         if ($$ == 0) {
-            context->binaryOpError($2.line, ",", $1->getCompleteString(), $3->getCompleteString());
+            context->binaryOpError(@2, ",", $1->getCompleteString(), $3->getCompleteString());
             context->recover();
             $$ = $3;
         }
@@ -753,7 +770,7 @@
 
 enter_struct
     : IDENTIFIER LEFT_BRACE {
-        if (context->enterStructDeclaration($1.line, *$1.string))
+        if (context->enterStructDeclaration(@1, *$1.string))
             context->recover();
         $$ = $1;
     }
@@ -774,11 +791,11 @@
             {
                 TVariable variable(param.name, *param.type);
                 
-                prototype = context->intermediate.growAggregate(prototype, context->intermediate.addSymbol(variable.getUniqueId(), variable.getName(), variable.getType(), $1.line), $1.line);
+                prototype = context->intermediate.growAggregate(prototype, context->intermediate.addSymbol(variable.getUniqueId(), variable.getName(), variable.getType(), @1), @1);
             }
             else
             {
-                prototype = context->intermediate.growAggregate(prototype, context->intermediate.addSymbol(0, "", *param.type, $1.line), $1.line);
+                prototype = context->intermediate.growAggregate(prototype, context->intermediate.addSymbol(0, "", *param.type, @1), @1);
             }
         }
         
@@ -794,26 +811,26 @@
     }
     | PRECISION precision_qualifier type_specifier_no_prec SEMICOLON {
         if (($2 == EbpHigh) && (context->shaderType == SH_FRAGMENT_SHADER) && !context->fragmentPrecisionHigh) {
-            context->error($1.line, "precision is not supported in fragment shader", "highp");
+            context->error(@1, "precision is not supported in fragment shader", "highp");
             context->recover();
         }
         if (!context->symbolTable.setDefaultPrecision( $3, $2 )) {
-            context->error($1.line, "illegal type argument for default precision qualifier", getBasicString($3.type));
+            context->error(@1, "illegal type argument for default precision qualifier", getBasicString($3.type));
             context->recover();
         }
         $$ = 0;
     }
     | type_qualifier enter_struct struct_declaration_list RIGHT_BRACE SEMICOLON {
-        ES3_ONLY(getQualifierString($1.qualifier), $1.line, "interface blocks");
-        $$ = context->addInterfaceBlock($1, $2.line, *$2.string, $3, "", 0, NULL, 0);
+        ES3_ONLY(getQualifierString($1.qualifier), @1, "interface blocks");
+        $$ = context->addInterfaceBlock($1, @2, *$2.string, $3, "", @$, NULL, @$);
     }
     | type_qualifier enter_struct struct_declaration_list RIGHT_BRACE IDENTIFIER SEMICOLON {
-        ES3_ONLY(getQualifierString($1.qualifier), $1.line, "interface blocks");
-        $$ = context->addInterfaceBlock($1, $2.line, *$2.string, $3, *$5.string, $5.line, NULL, 0);
+        ES3_ONLY(getQualifierString($1.qualifier), @1, "interface blocks");
+        $$ = context->addInterfaceBlock($1, @2, *$2.string, $3, *$5.string, @5, NULL, @$);
     }
     | type_qualifier enter_struct struct_declaration_list RIGHT_BRACE IDENTIFIER LEFT_BRACKET constant_expression RIGHT_BRACKET SEMICOLON {
-        ES3_ONLY(getQualifierString($1.qualifier), $1.line, "interface blocks");
-        $$ = context->addInterfaceBlock($1, $2.line, *$2.string, $3, *$5.string, $5.line, $7, $6.line);
+        ES3_ONLY(getQualifierString($1.qualifier), @1, "interface blocks");
+        $$ = context->addInterfaceBlock($1, @2, *$2.string, $3, *$5.string, @5, $7, @6);
     }
     | type_qualifier SEMICOLON {
         context->parseGlobalLayoutQualifier($1);
@@ -834,12 +851,12 @@
         TFunction* prevDec = static_cast<TFunction*>(context->symbolTable.find($1->getMangledName(), context->shaderVersion));
         if (prevDec) {
             if (prevDec->getReturnType() != $1->getReturnType()) {
-                context->error($2.line, "overloaded functions must have the same return type", $1->getReturnType().getBasicString());
+                context->error(@2, "overloaded functions must have the same return type", $1->getReturnType().getBasicString());
                 context->recover();
             }
             for (size_t i = 0; i < prevDec->getParamCount(); ++i) {
                 if (prevDec->getParam(i).type->getQualifier() != $1->getParam(i).type->getQualifier()) {
-                    context->error($2.line, "overloaded functions must have the same parameter qualifiers", $1->getParam(i).type->getQualifierString());
+                    context->error(@2, "overloaded functions must have the same parameter qualifiers", $1->getParam(i).type->getQualifierString());
                     context->recover();
                 }
             }
@@ -851,7 +868,6 @@
         // being redeclared.  So, pass back up this declaration, not the one in the symbol table.
         //
         $$.function = $1;
-        $$.line = $2.line;
 
         // We're at the inner scope level of the function's arguments and body statement.
         // Add the function prototype to the surrounding scope instead.
@@ -887,7 +903,7 @@
             //
             // This parameter > first is void
             //
-            context->error($2.line, "cannot be an argument type except for '(void)'", "void");
+            context->error(@2, "cannot be an argument type except for '(void)'", "void");
             context->recover();
             delete $3.param.type;
         } else {
@@ -901,11 +917,11 @@
 function_header
     : fully_specified_type IDENTIFIER LEFT_PAREN {
         if ($1.qualifier != EvqGlobal && $1.qualifier != EvqTemporary) {
-            context->error($2.line, "no qualifiers allowed for function return", getQualifierString($1.qualifier));
+            context->error(@2, "no qualifiers allowed for function return", getQualifierString($1.qualifier));
             context->recover();
         }
         // make sure a sampler is not involved as well...
-        if (context->structQualifierErrorCheck($2.line, $1))
+        if (context->structQualifierErrorCheck(@2, $1))
             context->recover();
 
         // Add the function as a prototype after parsing it (we do not support recursion)
@@ -922,31 +938,29 @@
     // Type + name
     : type_specifier identifier {
         if ($1.type == EbtVoid) {
-            context->error($2.line, "illegal use of type 'void'", $2.string->c_str());
+            context->error(@2, "illegal use of type 'void'", $2.string->c_str());
             context->recover();
         }
-        if (context->reservedErrorCheck($2.line, *$2.string))
+        if (context->reservedErrorCheck(@2, *$2.string))
             context->recover();
         TParameter param = {$2.string, new TType($1)};
-        $$.line = $2.line;
         $$.param = param;
     }
     | type_specifier identifier LEFT_BRACKET constant_expression RIGHT_BRACKET {
         // Check that we can make an array out of this type
-        if (context->arrayTypeErrorCheck($3.line, $1))
+        if (context->arrayTypeErrorCheck(@3, $1))
             context->recover();
 
-        if (context->reservedErrorCheck($2.line, *$2.string))
+        if (context->reservedErrorCheck(@2, *$2.string))
             context->recover();
 
         int size;
-        if (context->arraySizeErrorCheck($3.line, $4, size))
+        if (context->arraySizeErrorCheck(@3, $4, size))
             context->recover();
         $1.setArray(true, size);
 
         TType* type = new TType($1);
         TParameter param = { $2.string, type };
-        $$.line = $2.line;
         $$.param = param;
     }
     ;
@@ -962,14 +976,14 @@
     //
     : parameter_type_qualifier parameter_qualifier parameter_declarator {
         $$ = $3;
-        if (context->paramErrorCheck($3.line, $1, $2, $$.param.type))
+        if (context->paramErrorCheck(@3, $1, $2, $$.param.type))
             context->recover();
     }
     | parameter_qualifier parameter_declarator {
         $$ = $2;
-        if (context->parameterSamplerErrorCheck($2.line, $1, *$2.param.type))
+        if (context->parameterSamplerErrorCheck(@2, $1, *$2.param.type))
             context->recover();
-        if (context->paramErrorCheck($2.line, EvqTemporary, $1, $$.param.type))
+        if (context->paramErrorCheck(@2, EvqTemporary, $1, $$.param.type))
             context->recover();
     }
     //
@@ -977,14 +991,14 @@
     //
     | parameter_type_qualifier parameter_qualifier parameter_type_specifier {
         $$ = $3;
-        if (context->paramErrorCheck($3.line, $1, $2, $$.param.type))
+        if (context->paramErrorCheck(@3, $1, $2, $$.param.type))
             context->recover();
     }
     | parameter_qualifier parameter_type_specifier {
         $$ = $2;
-        if (context->parameterSamplerErrorCheck($2.line, $1, *$2.param.type))
+        if (context->parameterSamplerErrorCheck(@2, $1, *$2.param.type))
             context->recover();
-        if (context->paramErrorCheck($2.line, EvqTemporary, $1, $$.param.type))
+        if (context->paramErrorCheck(@2, EvqTemporary, $1, $$.param.type))
             context->recover();
     }
     ;
@@ -1017,62 +1031,62 @@
     }
     | init_declarator_list COMMA identifier {
         $$ = $1;
-        $$.intermAggregate = context->parseDeclarator($$.type, $1.intermAggregate, $3.symbol, $3.line, *$3.string);
+        $$.intermAggregate = context->parseDeclarator($$.type, $1.intermAggregate, $3.symbol, @3, *$3.string);
     }
     | init_declarator_list COMMA identifier LEFT_BRACKET RIGHT_BRACKET {
         $$ = $1;
-        context->parseArrayDeclarator($$.type, $3.line, *$3.string, $4.line, NULL, NULL);
+        context->parseArrayDeclarator($$.type, @3, *$3.string, @4, NULL, NULL);
     }
     | init_declarator_list COMMA identifier LEFT_BRACKET constant_expression RIGHT_BRACKET {
         $$ = $1;
-        $$.intermAggregate = context->parseArrayDeclarator($$.type, $3.line, *$3.string, $4.line, $1.intermNode, $5);
+        $$.intermAggregate = context->parseArrayDeclarator($$.type, @3, *$3.string, @4, $1.intermNode, $5);
     }
     | init_declarator_list COMMA identifier EQUAL initializer {
         $$ = $1;
-        $$.intermAggregate = context->parseInitDeclarator($$.type, $1.intermAggregate, $3.line, *$3.string, $4.line, $5);
+        $$.intermAggregate = context->parseInitDeclarator($$.type, $1.intermAggregate, @3, *$3.string, @4, $5);
     }
     ;
 
 single_declaration
     : fully_specified_type {
         $$.type = $1;
-        $$.intermAggregate = context->parseSingleDeclaration($$.type, $1.line, "");
+        $$.intermAggregate = context->parseSingleDeclaration($$.type, @1, "");
     }
     | fully_specified_type identifier {
         $$.type = $1;
-        $$.intermAggregate = context->parseSingleDeclaration($$.type, $2.line, *$2.string);
+        $$.intermAggregate = context->parseSingleDeclaration($$.type, @2, *$2.string);
     }
     | fully_specified_type identifier LEFT_BRACKET RIGHT_BRACKET {
-        context->error($2.line, "unsized array declarations not supported", $2.string->c_str());
+        context->error(@2, "unsized array declarations not supported", $2.string->c_str());
         context->recover();
 
         $$.type = $1;
-        $$.intermAggregate = context->parseSingleDeclaration($$.type, $2.line, *$2.string);
+        $$.intermAggregate = context->parseSingleDeclaration($$.type, @2, *$2.string);
     }
     | fully_specified_type identifier LEFT_BRACKET constant_expression RIGHT_BRACKET {
         $$.type = $1;
-        $$.intermAggregate = context->parseSingleArrayDeclaration($$.type, $2.line, *$2.string, $3.line, $4);
+        $$.intermAggregate = context->parseSingleArrayDeclaration($$.type, @2, *$2.string, @3, $4);
     }
     | fully_specified_type identifier EQUAL initializer {
         $$.type = $1;
-        $$.intermAggregate = context->parseSingleInitDeclaration($$.type, $2.line, *$2.string, $3.line, $4);
+        $$.intermAggregate = context->parseSingleInitDeclaration($$.type, @2, *$2.string, @3, $4);
     }
     | INVARIANT IDENTIFIER {
-        VERTEX_ONLY("invariant declaration", $1.line);
-        if (context->globalErrorCheck($1.line, context->symbolTable.atGlobalLevel(), "invariant varying"))
+        VERTEX_ONLY("invariant declaration", @1);
+        if (context->globalErrorCheck(@1, context->symbolTable.atGlobalLevel(), "invariant varying"))
             context->recover();
-        $$.type.setBasic(EbtInvariant, EvqInvariantVaryingOut, $2.line);
+        $$.type.setBasic(EbtInvariant, EvqInvariantVaryingOut, @2);
         if (!$2.symbol)
         {
-            context->error($2.line, "undeclared identifier declared as invariant", $2.string->c_str());
+            context->error(@2, "undeclared identifier declared as invariant", $2.string->c_str());
             context->recover();
             
             $$.intermAggregate = 0;
         }
         else
         {
-            TIntermSymbol *symbol = context->intermediate.addSymbol(0, *$2.string, TType($$.type), $2.line);
-            $$.intermAggregate = context->intermediate.makeAggregate(symbol, $2.line);
+            TIntermSymbol *symbol = context->intermediate.addSymbol(0, *$2.string, TType($$.type), @2);
+            $$.intermAggregate = context->intermediate.makeAggregate(symbol, @2);
         }
     }
 
@@ -1098,15 +1112,15 @@
 //
 //input_or_output
 //    : INPUT {
-//        if (context->globalErrorCheck($1.line, context->symbolTable.atGlobalLevel(), "input"))
+//        if (context->globalErrorCheck(@1, context->symbolTable.atGlobalLevel(), "input"))
 //            context->recover();
-//        UNPACK_ONLY("input", $1.line);
+//        UNPACK_ONLY("input", @1);
 //        $$.qualifier = EvqInput;
 //    }
 //    | OUTPUT {
-//        if (context->globalErrorCheck($1.line, context->symbolTable.atGlobalLevel(), "output"))
+//        if (context->globalErrorCheck(@1, context->symbolTable.atGlobalLevel(), "output"))
 //            context->recover();
-//        PACK_ONLY("output", $1.line);
+//        PACK_ONLY("output", @1);
 //        $$.qualifier = EvqOutput;
 //    }
 //    ;
@@ -1134,11 +1148,11 @@
 //
 //buffer_declaration
 //    : type_specifier IDENTIFIER COLON constant_expression SEMICOLON {
-//        if (context->reservedErrorCheck($2.line, *$2.string, context))
+//        if (context->reservedErrorCheck(@2, *$2.string, context))
 //            context->recover();
 //        $$.variable = new TVariable($2.string, $1);
 //        if (! context->symbolTable.declare(*$$.variable)) {
-//            context->error($2.line, "redefinition", $$.variable->getName().c_str());
+//            context->error(@2, "redefinition", $$.variable->getName().c_str());
 //            context->recover();
 //            // don't have to delete $$.variable, the pool pop will take care of it
 //        }
@@ -1150,7 +1164,7 @@
         $$ = $1;
 
         if ($1.array) {
-            context->error($1.line, "not supported", "first-class array");
+            context->error(@1, "not supported", "first-class array");
             context->recover();
             $1.setArray(false);
         }
@@ -1163,11 +1177,9 @@
 interpolation_qualifier
     : SMOOTH {
         $$.qualifier = EvqSmooth;
-        $$.line = $1.line;
     }
     | FLAT {
         $$.qualifier = EvqFlat;
-        $$.line = $1.line;
     }
     ;
 
@@ -1179,82 +1191,82 @@
 
 type_qualifier
     : ATTRIBUTE {
-        VERTEX_ONLY("attribute", $1.line);
-        ES2_ONLY("attribute", $1.line);
-        if (context->globalErrorCheck($1.line, context->symbolTable.atGlobalLevel(), "attribute"))
+        VERTEX_ONLY("attribute", @1);
+        ES2_ONLY("attribute", @1);
+        if (context->globalErrorCheck(@1, context->symbolTable.atGlobalLevel(), "attribute"))
             context->recover();
-        $$.setBasic(EbtVoid, EvqAttribute, $1.line);
+        $$.setBasic(EbtVoid, EvqAttribute, @1);
     }
     | VARYING {
-        ES2_ONLY("varying", $1.line);
-        if (context->globalErrorCheck($1.line, context->symbolTable.atGlobalLevel(), "varying"))
+        ES2_ONLY("varying", @1);
+        if (context->globalErrorCheck(@1, context->symbolTable.atGlobalLevel(), "varying"))
             context->recover();
         if (context->shaderType == SH_VERTEX_SHADER)
-            $$.setBasic(EbtVoid, EvqVaryingOut, $1.line);
+            $$.setBasic(EbtVoid, EvqVaryingOut, @1);
         else
-            $$.setBasic(EbtVoid, EvqVaryingIn, $1.line);
+            $$.setBasic(EbtVoid, EvqVaryingIn, @1);
     }
     | INVARIANT VARYING {
-        ES2_ONLY("varying", $1.line);
-        if (context->globalErrorCheck($1.line, context->symbolTable.atGlobalLevel(), "invariant varying"))
+        ES2_ONLY("varying", @1);
+        if (context->globalErrorCheck(@1, context->symbolTable.atGlobalLevel(), "invariant varying"))
             context->recover();
         if (context->shaderType == SH_VERTEX_SHADER)
-            $$.setBasic(EbtVoid, EvqInvariantVaryingOut, $1.line);
+            $$.setBasic(EbtVoid, EvqInvariantVaryingOut, @1);
         else
-            $$.setBasic(EbtVoid, EvqInvariantVaryingIn, $1.line);
+            $$.setBasic(EbtVoid, EvqInvariantVaryingIn, @1);
     }
     | storage_qualifier {
-        $$.setBasic(EbtVoid, $1.qualifier, $1.line);
+        $$.setBasic(EbtVoid, $1.qualifier, @1);
     }
     | interpolation_qualifier storage_qualifier {
         if ($2.qualifier == EvqSmoothIn) {
             if ($1.qualifier == EvqSmooth)
-                $$.setBasic(EbtVoid, EvqSmoothIn, $2.line);
+                $$.setBasic(EbtVoid, EvqSmoothIn, @2);
             else if ($1.qualifier == EvqFlat)
-                $$.setBasic(EbtVoid, EvqFlatIn, $2.line);
+                $$.setBasic(EbtVoid, EvqFlatIn, @2);
             else UNREACHABLE();
         }
         else if ($2.qualifier == EvqCentroidIn) {
             if ($1.qualifier == EvqSmooth)
-                $$.setBasic(EbtVoid, EvqCentroidIn, $2.line);
+                $$.setBasic(EbtVoid, EvqCentroidIn, @2);
             else if ($1.qualifier == EvqFlat)
-                $$.setBasic(EbtVoid, EvqFlatIn, $2.line);
+                $$.setBasic(EbtVoid, EvqFlatIn, @2);
             else UNREACHABLE();
         }
         else if ($2.qualifier == EvqSmoothOut) {
             if ($1.qualifier == EvqSmooth)
-                $$.setBasic(EbtVoid, EvqSmoothOut, $2.line);
+                $$.setBasic(EbtVoid, EvqSmoothOut, @2);
             else if ($1.qualifier == EvqFlat)
-                $$.setBasic(EbtVoid, EvqFlatOut, $2.line);
+                $$.setBasic(EbtVoid, EvqFlatOut, @2);
             else UNREACHABLE();
         }
         else if ($2.qualifier == EvqCentroidOut) {
             if ($1.qualifier == EvqSmooth)
-                $$.setBasic(EbtVoid, EvqCentroidOut, $2.line);
+                $$.setBasic(EbtVoid, EvqCentroidOut, @2);
             else if ($1.qualifier == EvqFlat)
-                $$.setBasic(EbtVoid, EvqFlatOut, $2.line);
+                $$.setBasic(EbtVoid, EvqFlatOut, @2);
             else UNREACHABLE();
         }
         else {
-            context->error($1.line, "interpolation qualifier requires a fragment 'in' or vertex 'out' storage qualifier", getInterpolationString($1.qualifier));
+            context->error(@1, "interpolation qualifier requires a fragment 'in' or vertex 'out' storage qualifier", getInterpolationString($1.qualifier));
             context->recover();
 
-            $$.setBasic(EbtVoid, $2.qualifier, $2.line);
+            $$.setBasic(EbtVoid, $2.qualifier, @2);
         }
     }
     | interpolation_qualifier {
-        context->error($1.line, "interpolation qualifier requires a fragment 'in' or vertex 'out' storage qualifier", getInterpolationString($1.qualifier));
+        context->error(@1, "interpolation qualifier requires a fragment 'in' or vertex 'out' storage qualifier", getInterpolationString($1.qualifier));
         context->recover();
         
         TQualifier qual = context->symbolTable.atGlobalLevel() ? EvqGlobal : EvqTemporary;
-        $$.setBasic(EbtVoid, qual, $1.line);
+        $$.setBasic(EbtVoid, qual, @1);
     }
     | layout_qualifier {
         $$.qualifier = context->symbolTable.atGlobalLevel() ? EvqGlobal : EvqTemporary;
         $$.layoutQualifier = $1;
     }
     | layout_qualifier storage_qualifier {
-        $$.setBasic(EbtVoid, $2.qualifier, $2.line);
+        $$.setBasic(EbtVoid, $2.qualifier, @2);
         $$.layoutQualifier = $1;
     }
     ;
@@ -1262,43 +1274,37 @@
 storage_qualifier
     : CONST_QUAL {
         $$.qualifier = EvqConst;
-        $$.line = $1.line;
     }
     | IN_QUAL {
-        ES3_ONLY("in", $1.line, "storage qualifier");
+        ES3_ONLY("in", @1, "storage qualifier");
         $$.qualifier = (context->shaderType == SH_FRAGMENT_SHADER) ? EvqSmoothIn : EvqVertexInput;
-        $$.line = $1.line;
     }
     | OUT_QUAL {
-        ES3_ONLY("out", $1.line, "storage qualifier");
+        ES3_ONLY("out", @1, "storage qualifier");
         $$.qualifier = (context->shaderType == SH_FRAGMENT_SHADER) ? EvqFragmentOutput : EvqSmoothOut;
-        $$.line = $1.line;
     }
     | CENTROID IN_QUAL {
-        ES3_ONLY("centroid in", $1.line, "storage qualifier");
+        ES3_ONLY("centroid in", @1, "storage qualifier");
         if (context->shaderType == SH_VERTEX_SHADER)
         {
-            context->error($1.line, "invalid storage qualifier", "it is an error to use 'centroid in' in the vertex shader");
+            context->error(@1, "invalid storage qualifier", "it is an error to use 'centroid in' in the vertex shader");
             context->recover();
         }
         $$.qualifier = (context->shaderType == SH_FRAGMENT_SHADER) ? EvqCentroidIn : EvqVertexInput;
-        $$.line = $1.line;
     }
     | CENTROID OUT_QUAL {
-        ES3_ONLY("centroid out", $1.line, "storage qualifier");
+        ES3_ONLY("centroid out", @1, "storage qualifier");
         if (context->shaderType == SH_FRAGMENT_SHADER)
         {
-            context->error($1.line, "invalid storage qualifier", "it is an error to use 'centroid out' in the fragment shader");
+            context->error(@1, "invalid storage qualifier", "it is an error to use 'centroid out' in the fragment shader");
             context->recover();
         }
         $$.qualifier = (context->shaderType == SH_FRAGMENT_SHADER) ? EvqFragmentOutput : EvqCentroidOut;
-        $$.line = $1.line;
     }
     | UNIFORM {
-        if (context->globalErrorCheck($1.line, context->symbolTable.atGlobalLevel(), "uniform"))
+        if (context->globalErrorCheck(@1, context->symbolTable.atGlobalLevel(), "uniform"))
             context->recover();
         $$.qualifier = EvqUniform;
-        $$.line = $1.line;
     }
     ;
 
@@ -1308,7 +1314,7 @@
 
         if ($$.precision == EbpUndefined) {
             $$.precision = context->symbolTable.getDefaultPrecision($1.type);
-            if (context->precisionErrorCheck($1.line, $$.precision, $1.type)) {
+            if (context->precisionErrorCheck(@1, $$.precision, $1.type)) {
                 context->recover();
             }
         }
@@ -1333,7 +1339,7 @@
 
 layout_qualifier
     : LAYOUT LEFT_PAREN layout_qualifier_id_list RIGHT_PAREN {
-        ES3_ONLY("layout", $1.line, "qualifier");
+        ES3_ONLY("layout", @1, "qualifier");
         $$ = $3;
     }
     ;
@@ -1349,13 +1355,13 @@
 
 layout_qualifier_id
     : IDENTIFIER {
-        $$ = context->parseLayoutQualifier(*$1.string, $1.line);
+        $$ = context->parseLayoutQualifier(*$1.string, @1);
     }
     | IDENTIFIER EQUAL INTCONSTANT {
-        $$ = context->parseLayoutQualifier(*$1.string, $1.line, *$3.string, $3.i, $3.line);
+        $$ = context->parseLayoutQualifier(*$1.string, @1, *$3.string, $3.i, @3);
     }
     | IDENTIFIER EQUAL UINTCONSTANT {
-        $$ = context->parseLayoutQualifier(*$1.string, $1.line, *$3.string, $3.i, $3.line);
+        $$ = context->parseLayoutQualifier(*$1.string, @1, *$3.string, $3.i, @3);
     }
     ;
 
@@ -1366,11 +1372,11 @@
     | type_specifier_nonarray LEFT_BRACKET constant_expression RIGHT_BRACKET {
         $$ = $1;
 
-        if (context->arrayTypeErrorCheck($2.line, $1))
+        if (context->arrayTypeErrorCheck(@2, $1))
             context->recover();
         else {
             int size;
-            if (context->arraySizeErrorCheck($2.line, $3, size))
+            if (context->arraySizeErrorCheck(@2, $3, size))
                 context->recover();
             $$.setArray(true, size);
         }
@@ -1380,202 +1386,202 @@
 type_specifier_nonarray
     : VOID_TYPE {
         TQualifier qual = context->symbolTable.atGlobalLevel() ? EvqGlobal : EvqTemporary;
-        $$.setBasic(EbtVoid, qual, $1.line);
+        $$.setBasic(EbtVoid, qual, @1);
     }
     | FLOAT_TYPE {
         TQualifier qual = context->symbolTable.atGlobalLevel() ? EvqGlobal : EvqTemporary;
-        $$.setBasic(EbtFloat, qual, $1.line);
+        $$.setBasic(EbtFloat, qual, @1);
     }
     | INT_TYPE {
         TQualifier qual = context->symbolTable.atGlobalLevel() ? EvqGlobal : EvqTemporary;
-        $$.setBasic(EbtInt, qual, $1.line);
+        $$.setBasic(EbtInt, qual, @1);
     }
     | UINT_TYPE {
         TQualifier qual = context->symbolTable.atGlobalLevel() ? EvqGlobal : EvqTemporary;
-        $$.setBasic(EbtUInt, qual, $1.line);
+        $$.setBasic(EbtUInt, qual, @1);
     }
     | BOOL_TYPE {
         TQualifier qual = context->symbolTable.atGlobalLevel() ? EvqGlobal : EvqTemporary;
-        $$.setBasic(EbtBool, qual, $1.line);
+        $$.setBasic(EbtBool, qual, @1);
     }
     | VEC2 {
         TQualifier qual = context->symbolTable.atGlobalLevel() ? EvqGlobal : EvqTemporary;
-        $$.setBasic(EbtFloat, qual, $1.line);
+        $$.setBasic(EbtFloat, qual, @1);
         $$.setAggregate(2);
     }
     | VEC3 {
         TQualifier qual = context->symbolTable.atGlobalLevel() ? EvqGlobal : EvqTemporary;
-        $$.setBasic(EbtFloat, qual, $1.line);
+        $$.setBasic(EbtFloat, qual, @1);
         $$.setAggregate(3);
     }
     | VEC4 {
         TQualifier qual = context->symbolTable.atGlobalLevel() ? EvqGlobal : EvqTemporary;
-        $$.setBasic(EbtFloat, qual, $1.line);
+        $$.setBasic(EbtFloat, qual, @1);
         $$.setAggregate(4);
     }
     | BVEC2 {
         TQualifier qual = context->symbolTable.atGlobalLevel() ? EvqGlobal : EvqTemporary;
-        $$.setBasic(EbtBool, qual, $1.line);
+        $$.setBasic(EbtBool, qual, @1);
         $$.setAggregate(2);
     }
     | BVEC3 {
         TQualifier qual = context->symbolTable.atGlobalLevel() ? EvqGlobal : EvqTemporary;
-        $$.setBasic(EbtBool, qual, $1.line);
+        $$.setBasic(EbtBool, qual, @1);
         $$.setAggregate(3);
     }
     | BVEC4 {
         TQualifier qual = context->symbolTable.atGlobalLevel() ? EvqGlobal : EvqTemporary;
-        $$.setBasic(EbtBool, qual, $1.line);
+        $$.setBasic(EbtBool, qual, @1);
         $$.setAggregate(4);
     }
     | IVEC2 {
         TQualifier qual = context->symbolTable.atGlobalLevel() ? EvqGlobal : EvqTemporary;
-        $$.setBasic(EbtInt, qual, $1.line);
+        $$.setBasic(EbtInt, qual, @1);
         $$.setAggregate(2);
     }
     | IVEC3 {
         TQualifier qual = context->symbolTable.atGlobalLevel() ? EvqGlobal : EvqTemporary;
-        $$.setBasic(EbtInt, qual, $1.line);
+        $$.setBasic(EbtInt, qual, @1);
         $$.setAggregate(3);
     }
     | IVEC4 {
         TQualifier qual = context->symbolTable.atGlobalLevel() ? EvqGlobal : EvqTemporary;
-        $$.setBasic(EbtInt, qual, $1.line);
+        $$.setBasic(EbtInt, qual, @1);
         $$.setAggregate(4);
     }
     | UVEC2 {
         TQualifier qual = context->symbolTable.atGlobalLevel() ? EvqGlobal : EvqTemporary;
-        $$.setBasic(EbtUInt, qual, $1.line);
+        $$.setBasic(EbtUInt, qual, @1);
         $$.setAggregate(2);
     }
     | UVEC3 {
         TQualifier qual = context->symbolTable.atGlobalLevel() ? EvqGlobal : EvqTemporary;
-        $$.setBasic(EbtUInt, qual, $1.line);
+        $$.setBasic(EbtUInt, qual, @1);
         $$.setAggregate(3);
     }
     | UVEC4 {
         TQualifier qual = context->symbolTable.atGlobalLevel() ? EvqGlobal : EvqTemporary;
-        $$.setBasic(EbtUInt, qual, $1.line);
+        $$.setBasic(EbtUInt, qual, @1);
         $$.setAggregate(4);
     }
     | MATRIX2 {
-        FRAG_VERT_ONLY("mat2", $1.line);
+        FRAG_VERT_ONLY("mat2", @1);
         TQualifier qual = context->symbolTable.atGlobalLevel() ? EvqGlobal : EvqTemporary;
-        $$.setBasic(EbtFloat, qual, $1.line);
+        $$.setBasic(EbtFloat, qual, @1);
         $$.setMatrix(2, 2);
     }
     | MATRIX3 {
-        FRAG_VERT_ONLY("mat3", $1.line);
+        FRAG_VERT_ONLY("mat3", @1);
         TQualifier qual = context->symbolTable.atGlobalLevel() ? EvqGlobal : EvqTemporary;
-        $$.setBasic(EbtFloat, qual, $1.line);
+        $$.setBasic(EbtFloat, qual, @1);
         $$.setMatrix(3, 3);
     }
     | MATRIX4 {
-        FRAG_VERT_ONLY("mat4", $1.line);
+        FRAG_VERT_ONLY("mat4", @1);
         TQualifier qual = context->symbolTable.atGlobalLevel() ? EvqGlobal : EvqTemporary;
-        $$.setBasic(EbtFloat, qual, $1.line);
+        $$.setBasic(EbtFloat, qual, @1);
         $$.setMatrix(4, 4);
     }
     | MATRIX2x3 {
         TQualifier qual = context->symbolTable.atGlobalLevel() ? EvqGlobal : EvqTemporary;
-        $$.setBasic(EbtFloat, qual, $1.line);
+        $$.setBasic(EbtFloat, qual, @1);
         $$.setMatrix(2, 3);
     }
     | MATRIX3x2 {
         TQualifier qual = context->symbolTable.atGlobalLevel() ? EvqGlobal : EvqTemporary;
-        $$.setBasic(EbtFloat, qual, $1.line);
+        $$.setBasic(EbtFloat, qual, @1);
         $$.setMatrix(3, 2);
     }
     | MATRIX2x4 {
         TQualifier qual = context->symbolTable.atGlobalLevel() ? EvqGlobal : EvqTemporary;
-        $$.setBasic(EbtFloat, qual, $1.line);
+        $$.setBasic(EbtFloat, qual, @1);
         $$.setMatrix(2, 4);
     }
     | MATRIX4x2 {
         TQualifier qual = context->symbolTable.atGlobalLevel() ? EvqGlobal : EvqTemporary;
-        $$.setBasic(EbtFloat, qual, $1.line);
+        $$.setBasic(EbtFloat, qual, @1);
         $$.setMatrix(4, 2);
     }
     | MATRIX3x4 {
         TQualifier qual = context->symbolTable.atGlobalLevel() ? EvqGlobal : EvqTemporary;
-        $$.setBasic(EbtFloat, qual, $1.line);
+        $$.setBasic(EbtFloat, qual, @1);
         $$.setMatrix(3, 4);
     }
     | MATRIX4x3 {
         TQualifier qual = context->symbolTable.atGlobalLevel() ? EvqGlobal : EvqTemporary;
-        $$.setBasic(EbtFloat, qual, $1.line);
+        $$.setBasic(EbtFloat, qual, @1);
         $$.setMatrix(4, 3);
     }
     | SAMPLER2D {
-        FRAG_VERT_ONLY("sampler2D", $1.line);
+        FRAG_VERT_ONLY("sampler2D", @1);
         TQualifier qual = context->symbolTable.atGlobalLevel() ? EvqGlobal : EvqTemporary;
-        $$.setBasic(EbtSampler2D, qual, $1.line);
+        $$.setBasic(EbtSampler2D, qual, @1);
     }
     | SAMPLER3D {
         TQualifier qual = context->symbolTable.atGlobalLevel() ? EvqGlobal : EvqTemporary;
-        $$.setBasic(EbtSampler3D, qual, $1.line);
+        $$.setBasic(EbtSampler3D, qual, @1);
     }
     | SAMPLERCUBE {
-        FRAG_VERT_ONLY("samplerCube", $1.line);
+        FRAG_VERT_ONLY("samplerCube", @1);
         TQualifier qual = context->symbolTable.atGlobalLevel() ? EvqGlobal : EvqTemporary;
-        $$.setBasic(EbtSamplerCube, qual, $1.line);
+        $$.setBasic(EbtSamplerCube, qual, @1);
     }
     | SAMPLER2DARRAY {
         TQualifier qual = context->symbolTable.atGlobalLevel() ? EvqGlobal : EvqTemporary;
-        $$.setBasic(EbtSampler2DArray, qual, $1.line);
+        $$.setBasic(EbtSampler2DArray, qual, @1);
     }
     | ISAMPLER2D {
         TQualifier qual = context->symbolTable.atGlobalLevel() ? EvqGlobal : EvqTemporary;
-        $$.setBasic(EbtISampler2D, qual, $1.line);
+        $$.setBasic(EbtISampler2D, qual, @1);
     }
     | ISAMPLER3D {
         TQualifier qual = context->symbolTable.atGlobalLevel() ? EvqGlobal : EvqTemporary;
-        $$.setBasic(EbtISampler3D, qual, $1.line);
+        $$.setBasic(EbtISampler3D, qual, @1);
     }
     | ISAMPLERCUBE {
         TQualifier qual = context->symbolTable.atGlobalLevel() ? EvqGlobal : EvqTemporary;
-        $$.setBasic(EbtISamplerCube, qual, $1.line);
+        $$.setBasic(EbtISamplerCube, qual, @1);
     }
     | ISAMPLER2DARRAY {
         TQualifier qual = context->symbolTable.atGlobalLevel() ? EvqGlobal : EvqTemporary;
-        $$.setBasic(EbtISampler2DArray, qual, $1.line);
+        $$.setBasic(EbtISampler2DArray, qual, @1);
     }
     | USAMPLER2D {
         TQualifier qual = context->symbolTable.atGlobalLevel() ? EvqGlobal : EvqTemporary;
-        $$.setBasic(EbtUSampler2D, qual, $1.line);
+        $$.setBasic(EbtUSampler2D, qual, @1);
     }
     | USAMPLER3D {
         TQualifier qual = context->symbolTable.atGlobalLevel() ? EvqGlobal : EvqTemporary;
-        $$.setBasic(EbtUSampler3D, qual, $1.line);
+        $$.setBasic(EbtUSampler3D, qual, @1);
     }
     | USAMPLERCUBE {
         TQualifier qual = context->symbolTable.atGlobalLevel() ? EvqGlobal : EvqTemporary;
-        $$.setBasic(EbtUSamplerCube, qual, $1.line);
+        $$.setBasic(EbtUSamplerCube, qual, @1);
     }
     | USAMPLER2DARRAY {
         TQualifier qual = context->symbolTable.atGlobalLevel() ? EvqGlobal : EvqTemporary;
-        $$.setBasic(EbtUSampler2DArray, qual, $1.line);
+        $$.setBasic(EbtUSampler2DArray, qual, @1);
     }
     | SAMPLER_EXTERNAL_OES {
         if (!context->supportsExtension("GL_OES_EGL_image_external")) {
-            context->error($1.line, "unsupported type", "samplerExternalOES");
+            context->error(@1, "unsupported type", "samplerExternalOES");
             context->recover();
         }
-        FRAG_VERT_ONLY("samplerExternalOES", $1.line);
+        FRAG_VERT_ONLY("samplerExternalOES", @1);
         TQualifier qual = context->symbolTable.atGlobalLevel() ? EvqGlobal : EvqTemporary;
-        $$.setBasic(EbtSamplerExternalOES, qual, $1.line);
+        $$.setBasic(EbtSamplerExternalOES, qual, @1);
     }
     | SAMPLER2DRECT {
         if (!context->supportsExtension("GL_ARB_texture_rectangle")) {
-            context->error($1.line, "unsupported type", "sampler2DRect");
+            context->error(@1, "unsupported type", "sampler2DRect");
             context->recover();
         }
-        FRAG_VERT_ONLY("sampler2DRect", $1.line);
+        FRAG_VERT_ONLY("sampler2DRect", @1);
         TQualifier qual = context->symbolTable.atGlobalLevel() ? EvqGlobal : EvqTemporary;
-        $$.setBasic(EbtSampler2DRect, qual, $1.line);
+        $$.setBasic(EbtSampler2DRect, qual, @1);
     }
     | struct_specifier {
-        FRAG_VERT_ONLY("struct", $1.line);
+        FRAG_VERT_ONLY("struct", @1);
         $$ = $1;
         $$.qualifier = context->symbolTable.atGlobalLevel() ? EvqGlobal : EvqTemporary;
     }
@@ -1586,17 +1592,17 @@
         //
         TType& structure = static_cast<TVariable*>($1.symbol)->getType();
         TQualifier qual = context->symbolTable.atGlobalLevel() ? EvqGlobal : EvqTemporary;
-        $$.setBasic(EbtStruct, qual, $1.line);
+        $$.setBasic(EbtStruct, qual, @1);
         $$.userDef = &structure;
     }
     ;
 
 struct_specifier
-    : STRUCT identifier LEFT_BRACE { if (context->enterStructDeclaration($2.line, *$2.string)) context->recover(); } struct_declaration_list RIGHT_BRACE {
-        $$ = context->addStructure($1.line, $2.line, *$2.string, $5);
+    : STRUCT identifier LEFT_BRACE { if (context->enterStructDeclaration(@2, *$2.string)) context->recover(); } struct_declaration_list RIGHT_BRACE {
+        $$ = context->addStructure(@1, @2, *$2.string, $5);
     }
-    | STRUCT LEFT_BRACE { if (context->enterStructDeclaration($2.line, *$2.string)) context->recover(); } struct_declaration_list RIGHT_BRACE {
-        $$ = context->addStructure($1.line, 0, "", $4);
+    | STRUCT LEFT_BRACE { if (context->enterStructDeclaration(@2, *$2.string)) context->recover(); } struct_declaration_list RIGHT_BRACE {
+        $$ = context->addStructure(@1, @$, "", $4);
     }
     ;
 
@@ -1642,23 +1648,21 @@
 
 struct_declarator
     : identifier {
-        if (context->reservedErrorCheck($1.line, *$1.string))
+        if (context->reservedErrorCheck(@1, *$1.string))
             context->recover();
 
         $$.type = new TType(EbtVoid, EbpUndefined);
-        $$.line = $1.line;
         $$.type->setFieldName(*$1.string);
     }
     | identifier LEFT_BRACKET constant_expression RIGHT_BRACKET {
-        if (context->reservedErrorCheck($1.line, *$1.string))
+        if (context->reservedErrorCheck(@1, *$1.string))
             context->recover();
 
         $$.type = new TType(EbtVoid, EbpUndefined);
-        $$.line = $1.line;
         $$.type->setFieldName(*$1.string);
 
         int size;
-        if (context->arraySizeErrorCheck($2.line, $3, size))
+        if (context->arraySizeErrorCheck(@2, $3, size))
             context->recover();
         $$.type->setArraySize(size);
     }
@@ -1692,7 +1696,7 @@
     | LEFT_BRACE { context->symbolTable.push(); } statement_list { context->symbolTable.pop(); } RIGHT_BRACE {
         if ($3 != 0) {
             $3->setOp(EOpSequence);
-            $3->setEndLine($5.line);
+            $3->setLine(@$);
         }
         $$ = $3;
     }
@@ -1716,7 +1720,7 @@
     | LEFT_BRACE statement_list RIGHT_BRACE {
         if ($2) {
             $2->setOp(EOpSequence);
-            $2->setEndLine($3.line);
+            $2->setLine(@$);
         }
         $$ = $2;
     }
@@ -1724,10 +1728,10 @@
 
 statement_list
     : statement {
-        $$ = context->intermediate.makeAggregate($1, 0);
+        $$ = context->intermediate.makeAggregate($1, @$);
     }
     | statement_list statement {
-        $$ = context->intermediate.growAggregate($1, $2, 0);
+        $$ = context->intermediate.growAggregate($1, $2, @$);
     }
     ;
 
@@ -1738,9 +1742,9 @@
 
 selection_statement
     : IF LEFT_PAREN expression RIGHT_PAREN selection_rest_statement {
-        if (context->boolErrorCheck($1.line, $3))
+        if (context->boolErrorCheck(@1, $3))
             context->recover();
-        $$ = context->intermediate.addSelection($3, $5, $1.line);
+        $$ = context->intermediate.addSelection($3, $5, @1);
     }
     ;
 
@@ -1766,12 +1770,12 @@
     }
     | fully_specified_type identifier EQUAL initializer {
         TIntermNode* intermNode;
-        if (context->structQualifierErrorCheck($2.line, $1))
+        if (context->structQualifierErrorCheck(@2, $1))
             context->recover();
-        if (context->boolErrorCheck($2.line, $1))
+        if (context->boolErrorCheck(@2, $1))
             context->recover();
 
-        if (!context->executeInitializer($2.line, *$2.string, $1, $4, intermNode))
+        if (!context->executeInitializer(@2, *$2.string, $1, $4, intermNode))
             $$ = $4;
         else {
             context->recover();
@@ -1783,19 +1787,19 @@
 iteration_statement
     : WHILE LEFT_PAREN { context->symbolTable.push(); ++context->loopNestingLevel; } condition RIGHT_PAREN statement_no_new_scope {
         context->symbolTable.pop();
-        $$ = context->intermediate.addLoop(ELoopWhile, 0, $4, 0, $6, $1.line);
+        $$ = context->intermediate.addLoop(ELoopWhile, 0, $4, 0, $6, @1);
         --context->loopNestingLevel;
     }
     | DO { ++context->loopNestingLevel; } statement_with_scope WHILE LEFT_PAREN expression RIGHT_PAREN SEMICOLON {
-        if (context->boolErrorCheck($8.line, $6))
+        if (context->boolErrorCheck(@8, $6))
             context->recover();
 
-        $$ = context->intermediate.addLoop(ELoopDoWhile, 0, $6, 0, $3, $4.line);
+        $$ = context->intermediate.addLoop(ELoopDoWhile, 0, $6, 0, $3, @4);
         --context->loopNestingLevel;
     }
     | FOR LEFT_PAREN { context->symbolTable.push(); ++context->loopNestingLevel; } for_init_statement for_rest_statement RIGHT_PAREN statement_no_new_scope {
         context->symbolTable.pop();
-        $$ = context->intermediate.addLoop(ELoopFor, $4, reinterpret_cast<TIntermTyped*>($5.node1), reinterpret_cast<TIntermTyped*>($5.node2), $7, $1.line);
+        $$ = context->intermediate.addLoop(ELoopFor, $4, reinterpret_cast<TIntermTyped*>($5.node1), reinterpret_cast<TIntermTyped*>($5.node2), $7, @1);
         --context->loopNestingLevel;
     }
     ;
@@ -1832,39 +1836,39 @@
 jump_statement
     : CONTINUE SEMICOLON {
         if (context->loopNestingLevel <= 0) {
-            context->error($1.line, "continue statement only allowed in loops", "");
+            context->error(@1, "continue statement only allowed in loops", "");
             context->recover();
         }
-        $$ = context->intermediate.addBranch(EOpContinue, $1.line);
+        $$ = context->intermediate.addBranch(EOpContinue, @1);
     }
     | BREAK SEMICOLON {
         if (context->loopNestingLevel <= 0) {
-            context->error($1.line, "break statement only allowed in loops", "");
+            context->error(@1, "break statement only allowed in loops", "");
             context->recover();
         }
-        $$ = context->intermediate.addBranch(EOpBreak, $1.line);
+        $$ = context->intermediate.addBranch(EOpBreak, @1);
     }
     | RETURN SEMICOLON {
-        $$ = context->intermediate.addBranch(EOpReturn, $1.line);
+        $$ = context->intermediate.addBranch(EOpReturn, @1);
         if (context->currentFunctionType->getBasicType() != EbtVoid) {
-            context->error($1.line, "non-void function must return a value", "return");
+            context->error(@1, "non-void function must return a value", "return");
             context->recover();
         }
     }
     | RETURN expression SEMICOLON {
-        $$ = context->intermediate.addBranch(EOpReturn, $2, $1.line);
+        $$ = context->intermediate.addBranch(EOpReturn, $2, @1);
         context->functionReturnsValue = true;
         if (context->currentFunctionType->getBasicType() == EbtVoid) {
-            context->error($1.line, "void function cannot return a value", "return");
+            context->error(@1, "void function cannot return a value", "return");
             context->recover();
         } else if (*(context->currentFunctionType) != $2->getType()) {
-            context->error($1.line, "function return is not matching type:", "return");
+            context->error(@1, "function return is not matching type:", "return");
             context->recover();
         }
     }
     | DISCARD SEMICOLON {
-        FRAG_ONLY("discard", $1.line);
-        $$ = context->intermediate.addBranch(EOpKill, $1.line);
+        FRAG_ONLY("discard", @1);
+        $$ = context->intermediate.addBranch(EOpKill, @1);
     }
     ;
 
@@ -1876,7 +1880,7 @@
         context->treeRoot = $$;
     }
     | translation_unit external_declaration {
-        $$ = context->intermediate.growAggregate($1, $2, 0);
+        $$ = context->intermediate.growAggregate($1, $2, @$);
         context->treeRoot = $$;
     }
     ;
@@ -1898,7 +1902,7 @@
         
         if (builtIn)
         {
-            context->error($1.line, "built-in functions cannot be redefined", function->getName().c_str());
+            context->error(@1, "built-in functions cannot be redefined", function->getName().c_str());
             context->recover();
         }
         
@@ -1912,7 +1916,7 @@
             //
             // Then this function already has a body.
             //
-            context->error($1.line, "function already has a body", function->getName().c_str());
+            context->error(@1, "function already has a body", function->getName().c_str());
             context->recover();
         }
         prevDec->setDefined();
@@ -1922,11 +1926,11 @@
         //
         if (function->getName() == "main") {
             if (function->getParamCount() > 0) {
-                context->error($1.line, "function cannot take any parameter(s)", function->getName().c_str());
+                context->error(@1, "function cannot take any parameter(s)", function->getName().c_str());
                 context->recover();
             }
             if (function->getReturnType().getBasicType() != EbtVoid) {
-                context->error($1.line, "", function->getReturnType().getBasicString(), "main function cannot return a value");
+                context->error(@1, "", function->getReturnType().getBasicString(), "main function cannot return a value");
                 context->recover();
             }
         }
@@ -1954,7 +1958,7 @@
                 // Insert the parameters with name in the symbol table.
                 //
                 if (! context->symbolTable.declare(*variable)) {
-                    context->error($1.line, "redefinition", variable->getName().c_str());
+                    context->error(@1, "redefinition", variable->getName().c_str());
                     context->recover();
                     delete variable;
                 }
@@ -1966,13 +1970,13 @@
                                                paramNodes,
                                                context->intermediate.addSymbol(variable->getUniqueId(),
                                                                        variable->getName(),
-                                                                       variable->getType(), $1.line),
-                                               $1.line);
+                                                                       variable->getType(), @1),
+                                               @1);
             } else {
-                paramNodes = context->intermediate.growAggregate(paramNodes, context->intermediate.addSymbol(0, "", *param.type, $1.line), $1.line);
+                paramNodes = context->intermediate.growAggregate(paramNodes, context->intermediate.addSymbol(0, "", *param.type, @1), @1);
             }
         }
-        context->intermediate.setAggregateOperator(paramNodes, EOpParameters, $1.line);
+        context->intermediate.setAggregateOperator(paramNodes, EOpParameters, @1);
         $1.intermAggregate = paramNodes;
         context->loopNestingLevel = 0;
     }
@@ -1980,12 +1984,12 @@
         //?? Check that all paths return a value if return type != void ?
         //   May be best done as post process phase on intermediate code
         if (context->currentFunctionType->getBasicType() != EbtVoid && ! context->functionReturnsValue) {
-            context->error($1.line, "function does not return a value:", "", $1.function->getName().c_str());
+            context->error(@1, "function does not return a value:", "", $1.function->getName().c_str());
             context->recover();
         }
         
-        $$ = context->intermediate.growAggregate($1.intermAggregate, $3, 0);
-        context->intermediate.setAggregateOperator($$, EOpFunction, $1.line);
+        $$ = context->intermediate.growAggregate($1.intermAggregate, $3, @$);
+        context->intermediate.setAggregateOperator($$, EOpFunction, @1);
         $$->getAsAggregate()->setName($1.function->getMangledName().c_str());
         $$->getAsAggregate()->setType($1.function->getReturnType());
 
@@ -1994,15 +1998,17 @@
         $$->getAsAggregate()->setOptimize(context->pragma().optimize);
         $$->getAsAggregate()->setDebug(context->pragma().debug);
 
-        if ($3 && $3->getAsAggregate())
-            $$->getAsAggregate()->setEndLine($3->getAsAggregate()->getEndLine());
-
         context->symbolTable.pop();
     }
     ;
 
 %%
 
+void yyerror(YYLTYPE* yylloc, TParseContext* context, const char* reason) {
+    context->error(*yylloc, reason, "");
+    context->recover();
+}
+
 int glslang_parse(TParseContext* context) {
     return yyparse(context);
 }
diff --git a/src/compiler/glslang_lex.cpp b/src/compiler/glslang_lex.cpp
index 45e17f5..6579db0 100644
--- a/src/compiler/glslang_lex.cpp
+++ b/src/compiler/glslang_lex.cpp
@@ -994,7 +994,10 @@
 #pragma warning(disable : 4102)
 #endif
 
-#define YY_USER_ACTION yylval->lex.line = yylineno;
+#define YY_USER_ACTION                                 \
+    yylloc->first_file = yylloc->last_file = yycolumn; \
+    yylloc->first_line = yylloc->last_line = yylineno;
+
 #define YY_INPUT(buf, result, max_size) \
     result = string_input(buf, max_size, yyscanner);
 
@@ -1045,6 +1048,8 @@
 
     YYSTYPE * yylval_r;
 
+    YYLTYPE * yylloc_r;
+
     }; /* end struct yyguts_t */
 
 static int yy_init_globals (yyscan_t yyscanner );
@@ -1053,6 +1058,8 @@
      * from bison output in section 1.*/
     #    define yylval yyg->yylval_r
     
+    #    define yylloc yyg->yylloc_r
+    
 int yylex_init (yyscan_t* scanner);
 
 int yylex_init_extra (YY_EXTRA_TYPE user_defined,yyscan_t* scanner);
@@ -1090,6 +1097,10 @@
 
 void yyset_lval (YYSTYPE * yylval_param ,yyscan_t yyscanner );
 
+       YYLTYPE *yyget_lloc (yyscan_t yyscanner );
+    
+        void yyset_lloc (YYLTYPE * yylloc_param ,yyscan_t yyscanner );
+    
 /* Macros after this point can all be overridden by user definitions in
  * section 1.
  */
@@ -1196,10 +1207,10 @@
 #define YY_DECL_IS_OURS 1
 
 extern int yylex \
-               (YYSTYPE * yylval_param ,yyscan_t yyscanner);
+               (YYSTYPE * yylval_param,YYLTYPE * yylloc_param ,yyscan_t yyscanner);
 
 #define YY_DECL int yylex \
-               (YYSTYPE * yylval_param , yyscan_t yyscanner)
+               (YYSTYPE * yylval_param, YYLTYPE * yylloc_param , yyscan_t yyscanner)
 #endif /* !YY_DECL */
 
 /* Code executed at the beginning of each rule, after yytext and yyleng
@@ -1230,6 +1241,8 @@
 
     yylval = yylval_param;
 
+    yylloc = yylloc_param;
+
 	if ( !yyg->yy_init )
 		{
 		yyg->yy_init = 1;
@@ -2952,6 +2965,18 @@
     yylval = yylval_param;
 }
 
+YYLTYPE *yyget_lloc  (yyscan_t yyscanner)
+{
+    struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
+    return yylloc;
+}
+    
+void yyset_lloc (YYLTYPE *  yylloc_param , yyscan_t yyscanner)
+{
+    struct yyguts_t * yyg = (struct yyguts_t*)yyscanner;
+    yylloc = yylloc_param;
+}
+    
 /* User-visible API */
 
 /* yylex_init is special because it creates the scanner itself, so it is
@@ -3133,7 +3158,8 @@
     yy_size_t len = token.type == pp::Token::LAST ? 0 : token.text.size();
     if (len < max_size)
         memcpy(buf, token.text.c_str(), len);
-    yyset_lineno(EncodeSourceLoc(token.location.file, token.location.line),yyscanner);
+    yyset_column(token.location.file,yyscanner);
+    yyset_lineno(token.location.line,yyscanner);
 
     if (len >= max_size)
         YY_FATAL_ERROR("Input buffer overflow");
@@ -3160,7 +3186,7 @@
 int reserved_word(yyscan_t yyscanner) {
     struct yyguts_t* yyg = (struct yyguts_t*) yyscanner;
 
-    yyextra->error(yylineno, "Illegal use of reserved word", yytext, "");
+    yyextra->error(*yylloc, "Illegal use of reserved word", yytext, "");
     yyextra->recover();
     return 0;
 }
@@ -3213,7 +3239,7 @@
 
     if (context->shaderVersion < 300)
     {
-        context->error(yylineno, "Unsigned integers are unsupported prior to GLSL ES 3.00", yytext, "");
+        context->error(*yylloc, "Unsigned integers are unsupported prior to GLSL ES 3.00", yytext, "");
         context->recover();
         return 0;
     }
@@ -3229,7 +3255,7 @@
 
     if (context->shaderVersion < 300)
     {
-        context->error(yylineno, "Floating-point suffix unsupported prior to GLSL ES 3.00", yytext);
+        context->error(*yylloc, "Floating-point suffix unsupported prior to GLSL ES 3.00", yytext);
         context->recover();
         return 0;
     }
@@ -3237,13 +3263,6 @@
     return(FLOATCONSTANT);
 }
 
-void yyerror(TParseContext* context, const char* reason) {
-    struct yyguts_t* yyg = (struct yyguts_t*) context->scanner;
-
-    context->error(yylineno, reason, yytext);
-    context->recover();
-}
-
 int glslang_initialize(TParseContext* context) {
     yyscan_t scanner = NULL;
     if (yylex_init_extra(context,&scanner))
@@ -3266,7 +3285,8 @@
 int glslang_scan(size_t count, const char* const string[], const int length[],
                  TParseContext* context) {
     yyrestart(NULL,context->scanner);
-    yyset_lineno(EncodeSourceLoc(0, 1),context->scanner);
+    yyset_column(0,context->scanner);
+    yyset_lineno(1,context->scanner);
 
     // Initialize preprocessor.
     if (!context->preprocessor.init(count, string, length))
diff --git a/src/compiler/glslang_tab.cpp b/src/compiler/glslang_tab.cpp
index 8d26db2..bb6738f 100644
--- a/src/compiler/glslang_tab.cpp
+++ b/src/compiler/glslang_tab.cpp
@@ -89,7 +89,6 @@
 #include "GLSLANG/ShaderLang.h"
 
 #define YYENABLE_NLS 0
-#define YYLTYPE_IS_TRIVIAL 1
 
 #define YYLEX_PARAM context->scanner
 
@@ -123,6 +122,14 @@
 #if YYDEBUG
 extern int yydebug;
 #endif
+/* "%code requires" blocks.  */
+
+
+#define YYLTYPE TSourceLoc
+#define YYLTYPE_IS_DECLARED 1
+
+
+
 
 /* Tokens.  */
 #ifndef YYTOKENTYPE
@@ -263,7 +270,6 @@
 
 
     struct {
-        TSourceLoc line;
         union {
             TString *string;
             float f;
@@ -274,7 +280,6 @@
         TSymbol* symbol;
     } lex;
     struct {
-        TSourceLoc line;
         TOperator op;
         union {
             TIntermNode* intermNode;
@@ -302,6 +307,19 @@
 # define YYSTYPE_IS_DECLARED 1
 #endif
 
+#if ! defined YYLTYPE && ! defined YYLTYPE_IS_DECLARED
+typedef struct YYLTYPE
+{
+  int first_line;
+  int first_column;
+  int last_line;
+  int last_column;
+} YYLTYPE;
+# define yyltype YYLTYPE /* obsolescent; will be withdrawn */
+# define YYLTYPE_IS_DECLARED 1
+# define YYLTYPE_IS_TRIVIAL 1
+#endif
+
 
 #ifdef YYPARSE_PARAM
 #if defined __STDC__ || defined __cplusplus
@@ -322,8 +340,24 @@
 /* Copy the second part of user declarations.  */
 
 
-extern int yylex(YYSTYPE* yylval_param, void* yyscanner);
-extern void yyerror(TParseContext* context, const char* reason);
+extern int yylex(YYSTYPE* yylval_param, YYLTYPE* yylloc, void* yyscanner);
+extern void yyerror(YYLTYPE* yylloc, TParseContext* context, const char* reason);
+
+#define YYLLOC_DEFAULT(Current, Rhs, N)                      \
+  do {                                                       \
+      if (YYID(N)) {                                         \
+        (Current).first_file = YYRHSLOC(Rhs, 1).first_file;  \
+        (Current).first_line = YYRHSLOC(Rhs, 1).first_line;  \
+        (Current).last_file = YYRHSLOC(Rhs, N).last_file;    \
+        (Current).last_line = YYRHSLOC(Rhs, N).last_line;    \
+      }                                                      \
+      else {                                                 \
+        (Current).first_file = YYRHSLOC(Rhs, 0).last_file;   \
+        (Current).first_line = YYRHSLOC(Rhs, 0).last_line;   \
+        (Current).last_file = YYRHSLOC(Rhs, 0).last_file;    \
+        (Current).last_line = YYRHSLOC(Rhs, 0).last_line;    \
+      }                                                      \
+  } while (0)
 
 #define FRAG_VERT_ONLY(S, L) {  \
     if (context->shaderType != SH_FRAGMENT_SHADER &&  \
@@ -520,13 +554,15 @@
 
 #if (! defined yyoverflow \
      && (! defined __cplusplus \
-	 || (defined YYSTYPE_IS_TRIVIAL && YYSTYPE_IS_TRIVIAL)))
+	 || (defined YYLTYPE_IS_TRIVIAL && YYLTYPE_IS_TRIVIAL \
+	     && defined YYSTYPE_IS_TRIVIAL && YYSTYPE_IS_TRIVIAL)))
 
 /* A type that is properly aligned for any stack member.  */
 union yyalloc
 {
   yytype_int16 yyss_alloc;
   YYSTYPE yyvs_alloc;
+  YYLTYPE yyls_alloc;
 };
 
 /* The size of the maximum gap between one aligned stack and the next.  */
@@ -535,8 +571,8 @@
 /* The size of an array large to enough to hold all stacks, each with
    N elements.  */
 # define YYSTACK_BYTES(N) \
-     ((N) * (sizeof (yytype_int16) + sizeof (YYSTYPE)) \
-      + YYSTACK_GAP_MAXIMUM)
+     ((N) * (sizeof (yytype_int16) + sizeof (YYSTYPE) + sizeof (YYLTYPE)) \
+      + 2 * YYSTACK_GAP_MAXIMUM)
 
 # define YYCOPY_NEEDED 1
 
@@ -753,31 +789,31 @@
 /* YYRLINE[YYN] -- source line where rule number YYN was defined.  */
 static const yytype_uint16 yyrline[] =
 {
-       0,   194,   194,   195,   198,   233,   236,   241,   246,   251,
-     256,   262,   265,   268,   271,   274,   284,   297,   305,   405,
-     408,   416,   420,   427,   431,   438,   444,   453,   461,   464,
-     474,   477,   487,   497,   518,   519,   520,   525,   526,   535,
-     547,   548,   556,   567,   571,   572,   582,   592,   602,   615,
-     616,   626,   639,   643,   647,   651,   652,   665,   666,   679,
-     680,   693,   694,   711,   712,   725,   726,   727,   728,   729,
-     733,   736,   747,   755,   763,   790,   795,   806,   810,   814,
-     818,   825,   863,   866,   873,   881,   902,   923,   934,   963,
-     968,   978,   983,   993,   996,   999,  1002,  1008,  1015,  1018,
-    1022,  1026,  1030,  1037,  1041,  1045,  1052,  1056,  1060,  1149,
-    1158,  1164,  1168,  1175,  1181,  1188,  1197,  1206,  1209,  1245,
-    1252,  1256,  1263,  1267,  1272,  1277,  1287,  1297,  1306,  1316,
-    1323,  1326,  1329,  1335,  1342,  1345,  1351,  1354,  1357,  1363,
-    1366,  1381,  1385,  1389,  1393,  1397,  1401,  1406,  1411,  1416,
-    1421,  1426,  1431,  1436,  1441,  1446,  1451,  1456,  1461,  1467,
-    1473,  1479,  1484,  1489,  1494,  1499,  1504,  1509,  1514,  1518,
-    1523,  1527,  1531,  1535,  1539,  1543,  1547,  1551,  1555,  1559,
-    1568,  1577,  1582,  1595,  1595,  1598,  1598,  1604,  1607,  1622,
-    1625,  1634,  1638,  1644,  1652,  1668,  1672,  1676,  1677,  1683,
-    1684,  1685,  1686,  1687,  1691,  1692,  1692,  1692,  1702,  1703,
-    1707,  1707,  1708,  1708,  1713,  1716,  1726,  1729,  1735,  1736,
-    1740,  1748,  1752,  1762,  1767,  1784,  1784,  1789,  1789,  1796,
-    1796,  1804,  1807,  1813,  1816,  1822,  1826,  1833,  1840,  1847,
-    1854,  1865,  1874,  1878,  1885,  1888,  1894,  1894
+       0,   213,   213,   214,   217,   252,   255,   260,   265,   270,
+     275,   281,   284,   287,   290,   293,   303,   316,   324,   424,
+     427,   435,   438,   444,   448,   455,   461,   470,   478,   481,
+     491,   494,   504,   514,   535,   536,   537,   542,   543,   552,
+     564,   565,   573,   584,   588,   589,   599,   609,   619,   632,
+     633,   643,   656,   660,   664,   668,   669,   682,   683,   696,
+     697,   710,   711,   728,   729,   742,   743,   744,   745,   746,
+     750,   753,   764,   772,   780,   807,   812,   823,   827,   831,
+     835,   842,   879,   882,   889,   897,   918,   939,   949,   977,
+     982,   992,   997,  1007,  1010,  1013,  1016,  1022,  1029,  1032,
+    1036,  1040,  1044,  1051,  1055,  1059,  1066,  1070,  1074,  1163,
+    1172,  1178,  1181,  1187,  1193,  1200,  1209,  1218,  1221,  1257,
+    1264,  1268,  1275,  1278,  1282,  1286,  1295,  1304,  1312,  1322,
+    1329,  1332,  1335,  1341,  1348,  1351,  1357,  1360,  1363,  1369,
+    1372,  1387,  1391,  1395,  1399,  1403,  1407,  1412,  1417,  1422,
+    1427,  1432,  1437,  1442,  1447,  1452,  1457,  1462,  1467,  1473,
+    1479,  1485,  1490,  1495,  1500,  1505,  1510,  1515,  1520,  1524,
+    1529,  1533,  1537,  1541,  1545,  1549,  1553,  1557,  1561,  1565,
+    1574,  1583,  1588,  1601,  1601,  1604,  1604,  1610,  1613,  1628,
+    1631,  1640,  1644,  1650,  1657,  1672,  1676,  1680,  1681,  1687,
+    1688,  1689,  1690,  1691,  1695,  1696,  1696,  1696,  1706,  1707,
+    1711,  1711,  1712,  1712,  1717,  1720,  1730,  1733,  1739,  1740,
+    1744,  1752,  1756,  1766,  1771,  1788,  1788,  1793,  1793,  1800,
+    1800,  1808,  1811,  1817,  1820,  1826,  1830,  1837,  1844,  1851,
+    1858,  1869,  1878,  1882,  1889,  1892,  1898,  1898
 };
 #endif
 
@@ -1608,7 +1644,7 @@
     }                                                           \
   else                                                          \
     {                                                           \
-      yyerror (context, YY_("syntax error: cannot back up")); \
+      yyerror (&yylloc, context, YY_("syntax error: cannot back up")); \
       YYERROR;							\
     }								\
 while (YYID (0))
@@ -1618,17 +1654,90 @@
 #define YYERRCODE	256
 
 
-/* This macro is provided for backward compatibility. */
+/* YYLLOC_DEFAULT -- Set CURRENT to span from RHS[1] to RHS[N].
+   If N is 0, then set CURRENT to the empty location which ends
+   the previous symbol: RHS[0] (always defined).  */
+
+#ifndef YYLLOC_DEFAULT
+# define YYLLOC_DEFAULT(Current, Rhs, N)                                \
+    do                                                                  \
+      if (YYID (N))                                                     \
+        {                                                               \
+          (Current).first_line   = YYRHSLOC (Rhs, 1).first_line;        \
+          (Current).first_column = YYRHSLOC (Rhs, 1).first_column;      \
+          (Current).last_line    = YYRHSLOC (Rhs, N).last_line;         \
+          (Current).last_column  = YYRHSLOC (Rhs, N).last_column;       \
+        }                                                               \
+      else                                                              \
+        {                                                               \
+          (Current).first_line   = (Current).last_line   =              \
+            YYRHSLOC (Rhs, 0).last_line;                                \
+          (Current).first_column = (Current).last_column =              \
+            YYRHSLOC (Rhs, 0).last_column;                              \
+        }                                                               \
+    while (YYID (0))
+#endif
+
+#define YYRHSLOC(Rhs, K) ((Rhs)[K])
+
+
+/* YY_LOCATION_PRINT -- Print the location on the stream.
+   This macro was not mandated originally: define only if we know
+   we won't break user code: when these are the locations we know.  */
+
 #ifndef YY_LOCATION_PRINT
-# define YY_LOCATION_PRINT(File, Loc) ((void) 0)
+# if defined YYLTYPE_IS_TRIVIAL && YYLTYPE_IS_TRIVIAL
+
+/* Print *YYLOCP on YYO.  Private, do not rely on its existence. */
+
+__attribute__((__unused__))
+#if (defined __STDC__ || defined __C99__FUNC__ \
+     || defined __cplusplus || defined _MSC_VER)
+static unsigned
+yy_location_print_ (FILE *yyo, YYLTYPE const * const yylocp)
+#else
+static unsigned
+yy_location_print_ (yyo, yylocp)
+    FILE *yyo;
+    YYLTYPE const * const yylocp;
+#endif
+{
+  unsigned res = 0;
+  int end_col = 0 != yylocp->last_column ? yylocp->last_column - 1 : 0;
+  if (0 <= yylocp->first_line)
+    {
+      res += fprintf (yyo, "%d", yylocp->first_line);
+      if (0 <= yylocp->first_column)
+        res += fprintf (yyo, ".%d", yylocp->first_column);
+    }
+  if (0 <= yylocp->last_line)
+    {
+      if (yylocp->first_line < yylocp->last_line)
+        {
+          res += fprintf (yyo, "-%d", yylocp->last_line);
+          if (0 <= end_col)
+            res += fprintf (yyo, ".%d", end_col);
+        }
+      else if (0 <= end_col && yylocp->first_column < end_col)
+        res += fprintf (yyo, "-%d", end_col);
+    }
+  return res;
+ }
+
+#  define YY_LOCATION_PRINT(File, Loc)          \
+  yy_location_print_ (File, &(Loc))
+
+# else
+#  define YY_LOCATION_PRINT(File, Loc) ((void) 0)
+# endif
 #endif
 
 
 /* YYLEX -- calling `yylex' with the right arguments.  */
 #ifdef YYLEX_PARAM
-# define YYLEX yylex (&yylval, YYLEX_PARAM)
+# define YYLEX yylex (&yylval, &yylloc, YYLEX_PARAM)
 #else
-# define YYLEX yylex (&yylval)
+# define YYLEX yylex (&yylval, &yylloc)
 #endif
 
 /* Enable debugging if requested.  */
@@ -1651,7 +1760,7 @@
     {									  \
       YYFPRINTF (stderr, "%s ", Title);					  \
       yy_symbol_print (stderr,						  \
-		  Type, Value, context); \
+		  Type, Value, Location, context); \
       YYFPRINTF (stderr, "\n");						  \
     }									  \
 } while (YYID (0))
@@ -1665,13 +1774,14 @@
 #if (defined __STDC__ || defined __C99__FUNC__ \
      || defined __cplusplus || defined _MSC_VER)
 static void
-yy_symbol_value_print (FILE *yyoutput, int yytype, YYSTYPE const * const yyvaluep, TParseContext* context)
+yy_symbol_value_print (FILE *yyoutput, int yytype, YYSTYPE const * const yyvaluep, YYLTYPE const * const yylocationp, TParseContext* context)
 #else
 static void
-yy_symbol_value_print (yyoutput, yytype, yyvaluep, context)
+yy_symbol_value_print (yyoutput, yytype, yyvaluep, yylocationp, context)
     FILE *yyoutput;
     int yytype;
     YYSTYPE const * const yyvaluep;
+    YYLTYPE const * const yylocationp;
     TParseContext* context;
 #endif
 {
@@ -1679,6 +1789,7 @@
   YYUSE (yyo);
   if (!yyvaluep)
     return;
+  YYUSE (yylocationp);
   YYUSE (context);
 # ifdef YYPRINT
   if (yytype < YYNTOKENS)
@@ -1701,13 +1812,14 @@
 #if (defined __STDC__ || defined __C99__FUNC__ \
      || defined __cplusplus || defined _MSC_VER)
 static void
-yy_symbol_print (FILE *yyoutput, int yytype, YYSTYPE const * const yyvaluep, TParseContext* context)
+yy_symbol_print (FILE *yyoutput, int yytype, YYSTYPE const * const yyvaluep, YYLTYPE const * const yylocationp, TParseContext* context)
 #else
 static void
-yy_symbol_print (yyoutput, yytype, yyvaluep, context)
+yy_symbol_print (yyoutput, yytype, yyvaluep, yylocationp, context)
     FILE *yyoutput;
     int yytype;
     YYSTYPE const * const yyvaluep;
+    YYLTYPE const * const yylocationp;
     TParseContext* context;
 #endif
 {
@@ -1716,7 +1828,9 @@
   else
     YYFPRINTF (yyoutput, "nterm %s (", yytname[yytype]);
 
-  yy_symbol_value_print (yyoutput, yytype, yyvaluep, context);
+  YY_LOCATION_PRINT (yyoutput, *yylocationp);
+  YYFPRINTF (yyoutput, ": ");
+  yy_symbol_value_print (yyoutput, yytype, yyvaluep, yylocationp, context);
   YYFPRINTF (yyoutput, ")");
 }
 
@@ -1759,11 +1873,12 @@
 #if (defined __STDC__ || defined __C99__FUNC__ \
      || defined __cplusplus || defined _MSC_VER)
 static void
-yy_reduce_print (YYSTYPE *yyvsp, int yyrule, TParseContext* context)
+yy_reduce_print (YYSTYPE *yyvsp, YYLTYPE *yylsp, int yyrule, TParseContext* context)
 #else
 static void
-yy_reduce_print (yyvsp, yyrule, context)
+yy_reduce_print (yyvsp, yylsp, yyrule, context)
     YYSTYPE *yyvsp;
+    YYLTYPE *yylsp;
     int yyrule;
     TParseContext* context;
 #endif
@@ -1779,7 +1894,7 @@
       YYFPRINTF (stderr, "   $%d = ", yyi + 1);
       yy_symbol_print (stderr, yyrhs[yyprhs[yyrule] + yyi],
 		       &(yyvsp[(yyi + 1) - (yynrhs)])
-		       		       , context);
+		       , &(yylsp[(yyi + 1) - (yynrhs)])		       , context);
       YYFPRINTF (stderr, "\n");
     }
 }
@@ -1787,7 +1902,7 @@
 # define YY_REDUCE_PRINT(Rule)		\
 do {					\
   if (yydebug)				\
-    yy_reduce_print (yyvsp, Rule, context); \
+    yy_reduce_print (yyvsp, yylsp, Rule, context); \
 } while (YYID (0))
 
 /* Nonzero means print parse trace.  It is left uninitialized so that
@@ -2067,17 +2182,19 @@
 #if (defined __STDC__ || defined __C99__FUNC__ \
      || defined __cplusplus || defined _MSC_VER)
 static void
-yydestruct (const char *yymsg, int yytype, YYSTYPE *yyvaluep, TParseContext* context)
+yydestruct (const char *yymsg, int yytype, YYSTYPE *yyvaluep, YYLTYPE *yylocationp, TParseContext* context)
 #else
 static void
-yydestruct (yymsg, yytype, yyvaluep, context)
+yydestruct (yymsg, yytype, yyvaluep, yylocationp, context)
     const char *yymsg;
     int yytype;
     YYSTYPE *yyvaluep;
+    YYLTYPE *yylocationp;
     TParseContext* context;
 #endif
 {
   YYUSE (yyvaluep);
+  YYUSE (yylocationp);
   YYUSE (context);
 
   if (!yymsg)
@@ -2139,6 +2256,11 @@
 static YYSTYPE yyval_default;
 # define YY_INITIAL_VALUE(Value) = Value
 #endif
+static YYLTYPE yyloc_default
+# if defined YYLTYPE_IS_TRIVIAL && YYLTYPE_IS_TRIVIAL
+  = { 1, 1, 1, 1 }
+# endif
+;
 #ifndef YY_IGNORE_MAYBE_UNINITIALIZED_BEGIN
 # define YY_IGNORE_MAYBE_UNINITIALIZED_BEGIN
 # define YY_IGNORE_MAYBE_UNINITIALIZED_END
@@ -2150,6 +2272,10 @@
 /* The semantic value of the lookahead symbol.  */
 YYSTYPE yylval YY_INITIAL_VALUE(yyval_default);
 
+/* Location data for the lookahead symbol.  */
+YYLTYPE yylloc = yyloc_default;
+
+
     /* Number of syntax errors so far.  */
     int yynerrs;
 
@@ -2160,6 +2286,7 @@
     /* The stacks and their tools:
        `yyss': related to states.
        `yyvs': related to semantic values.
+       `yyls': related to locations.
 
        Refer to the stacks through separate pointers, to allow yyoverflow
        to reallocate them elsewhere.  */
@@ -2174,6 +2301,14 @@
     YYSTYPE *yyvs;
     YYSTYPE *yyvsp;
 
+    /* The location stack.  */
+    YYLTYPE yylsa[YYINITDEPTH];
+    YYLTYPE *yyls;
+    YYLTYPE *yylsp;
+
+    /* The locations where the error started and ended.  */
+    YYLTYPE yyerror_range[3];
+
     YYSIZE_T yystacksize;
 
   int yyn;
@@ -2183,6 +2318,7 @@
   /* The variables used to return semantic value and location from the
      action routines.  */
   YYSTYPE yyval;
+  YYLTYPE yyloc;
 
 #if YYERROR_VERBOSE
   /* Buffer for error messages, and its allocated size.  */
@@ -2191,7 +2327,7 @@
   YYSIZE_T yymsg_alloc = sizeof yymsgbuf;
 #endif
 
-#define YYPOPSTACK(N)   (yyvsp -= (N), yyssp -= (N))
+#define YYPOPSTACK(N)   (yyvsp -= (N), yyssp -= (N), yylsp -= (N))
 
   /* The number of symbols on the RHS of the reduced rule.
      Keep to zero when no symbol should be popped.  */
@@ -2199,6 +2335,7 @@
 
   yyssp = yyss = yyssa;
   yyvsp = yyvs = yyvsa;
+  yylsp = yyls = yylsa;
   yystacksize = YYINITDEPTH;
 
   YYDPRINTF ((stderr, "Starting parse\n"));
@@ -2207,6 +2344,7 @@
   yyerrstatus = 0;
   yynerrs = 0;
   yychar = YYEMPTY; /* Cause a token to be read.  */
+  yylsp[0] = yylloc;
   goto yysetstate;
 
 /*------------------------------------------------------------.
@@ -2232,6 +2370,7 @@
 	   memory.  */
 	YYSTYPE *yyvs1 = yyvs;
 	yytype_int16 *yyss1 = yyss;
+	YYLTYPE *yyls1 = yyls;
 
 	/* Each stack pointer address is followed by the size of the
 	   data in use in that stack, in bytes.  This used to be a
@@ -2240,8 +2379,10 @@
 	yyoverflow (YY_("memory exhausted"),
 		    &yyss1, yysize * sizeof (*yyssp),
 		    &yyvs1, yysize * sizeof (*yyvsp),
+		    &yyls1, yysize * sizeof (*yylsp),
 		    &yystacksize);
 
+	yyls = yyls1;
 	yyss = yyss1;
 	yyvs = yyvs1;
       }
@@ -2264,6 +2405,7 @@
 	  goto yyexhaustedlab;
 	YYSTACK_RELOCATE (yyss_alloc, yyss);
 	YYSTACK_RELOCATE (yyvs_alloc, yyvs);
+	YYSTACK_RELOCATE (yyls_alloc, yyls);
 #  undef YYSTACK_RELOCATE
 	if (yyss1 != yyssa)
 	  YYSTACK_FREE (yyss1);
@@ -2273,6 +2415,7 @@
 
       yyssp = yyss + yysize - 1;
       yyvsp = yyvs + yysize - 1;
+      yylsp = yyls + yysize - 1;
 
       YYDPRINTF ((stderr, "Stack size increased to %lu\n",
 		  (unsigned long int) yystacksize));
@@ -2350,7 +2493,7 @@
   YY_IGNORE_MAYBE_UNINITIALIZED_BEGIN
   *++yyvsp = yylval;
   YY_IGNORE_MAYBE_UNINITIALIZED_END
-
+  *++yylsp = yylloc;
   goto yynewstate;
 
 
@@ -2381,7 +2524,8 @@
      GCC warning that YYVAL may be used uninitialized.  */
   yyval = yyvsp[1-yylen];
 
-
+  /* Default location.  */
+  YYLLOC_DEFAULT (yyloc, (yylsp - yylen), yylen);
   YY_REDUCE_PRINT (yyn);
   switch (yyn)
     {
@@ -2392,7 +2536,7 @@
         const TSymbol* symbol = (yyvsp[(1) - (1)].lex).symbol;
         const TVariable* variable;
         if (symbol == 0) {
-            context->error((yyvsp[(1) - (1)].lex).line, "undeclared identifier", (yyvsp[(1) - (1)].lex).string->c_str());
+            context->error((yylsp[(1) - (1)]), "undeclared identifier", (yyvsp[(1) - (1)].lex).string->c_str());
             context->recover();
             TType type(EbtFloat, EbpUndefined);
             TVariable* fakeVariable = new TVariable((yyvsp[(1) - (1)].lex).string, type);
@@ -2401,7 +2545,7 @@
         } else {
             // This identifier can only be a variable type symbol
             if (! symbol->isVariable()) {
-                context->error((yyvsp[(1) - (1)].lex).line, "variable expected", (yyvsp[(1) - (1)].lex).string->c_str());
+                context->error((yylsp[(1) - (1)]), "variable expected", (yyvsp[(1) - (1)].lex).string->c_str());
                 context->recover();
             }
             variable = static_cast<const TVariable*>(symbol);
@@ -2413,11 +2557,11 @@
         if (variable->getType().getQualifier() == EvqConst ) {
             ConstantUnion* constArray = variable->getConstPointer();
             TType t(variable->getType());
-            (yyval.interm.intermTypedNode) = context->intermediate.addConstantUnion(constArray, t, (yyvsp[(1) - (1)].lex).line);
+            (yyval.interm.intermTypedNode) = context->intermediate.addConstantUnion(constArray, t, (yylsp[(1) - (1)]));
         } else
             (yyval.interm.intermTypedNode) = context->intermediate.addSymbol(variable->getUniqueId(),
                                                      variable->getName(),
-                                                     variable->getType(), (yyvsp[(1) - (1)].lex).line);
+                                                     variable->getType(), (yylsp[(1) - (1)]));
     }
     break;
 
@@ -2433,7 +2577,7 @@
     {
         ConstantUnion *unionArray = new ConstantUnion[1];
         unionArray->setIConst((yyvsp[(1) - (1)].lex).i);
-        (yyval.interm.intermTypedNode) = context->intermediate.addConstantUnion(unionArray, TType(EbtInt, EbpUndefined, EvqConst), (yyvsp[(1) - (1)].lex).line);
+        (yyval.interm.intermTypedNode) = context->intermediate.addConstantUnion(unionArray, TType(EbtInt, EbpUndefined, EvqConst), (yylsp[(1) - (1)]));
     }
     break;
 
@@ -2442,7 +2586,7 @@
     {
         ConstantUnion *unionArray = new ConstantUnion[1];
         unionArray->setUConst((yyvsp[(1) - (1)].lex).u);
-        (yyval.interm.intermTypedNode) = context->intermediate.addConstantUnion(unionArray, TType(EbtUInt, EbpUndefined, EvqConst), (yyvsp[(1) - (1)].lex).line);
+        (yyval.interm.intermTypedNode) = context->intermediate.addConstantUnion(unionArray, TType(EbtUInt, EbpUndefined, EvqConst), (yylsp[(1) - (1)]));
     }
     break;
 
@@ -2451,7 +2595,7 @@
     {
         ConstantUnion *unionArray = new ConstantUnion[1];
         unionArray->setFConst((yyvsp[(1) - (1)].lex).f);
-        (yyval.interm.intermTypedNode) = context->intermediate.addConstantUnion(unionArray, TType(EbtFloat, EbpUndefined, EvqConst), (yyvsp[(1) - (1)].lex).line);
+        (yyval.interm.intermTypedNode) = context->intermediate.addConstantUnion(unionArray, TType(EbtFloat, EbpUndefined, EvqConst), (yylsp[(1) - (1)]));
     }
     break;
 
@@ -2460,7 +2604,7 @@
     {
         ConstantUnion *unionArray = new ConstantUnion[1];
         unionArray->setBConst((yyvsp[(1) - (1)].lex).b);
-        (yyval.interm.intermTypedNode) = context->intermediate.addConstantUnion(unionArray, TType(EbtBool, EbpUndefined, EvqConst), (yyvsp[(1) - (1)].lex).line);
+        (yyval.interm.intermTypedNode) = context->intermediate.addConstantUnion(unionArray, TType(EbtBool, EbpUndefined, EvqConst), (yylsp[(1) - (1)]));
     }
     break;
 
@@ -2481,7 +2625,7 @@
   case 12:
 
     {
-        (yyval.interm.intermTypedNode) = context->addIndexExpression((yyvsp[(1) - (4)].interm.intermTypedNode), (yyvsp[(2) - (4)].lex).line, (yyvsp[(3) - (4)].interm.intermTypedNode));
+        (yyval.interm.intermTypedNode) = context->addIndexExpression((yyvsp[(1) - (4)].interm.intermTypedNode), (yylsp[(2) - (4)]), (yyvsp[(3) - (4)].interm.intermTypedNode));
     }
     break;
 
@@ -2495,18 +2639,18 @@
   case 14:
 
     {
-        (yyval.interm.intermTypedNode) = context->addFieldSelectionExpression((yyvsp[(1) - (3)].interm.intermTypedNode), (yyvsp[(2) - (3)].lex).line, *(yyvsp[(3) - (3)].lex).string, (yyvsp[(3) - (3)].lex).line);
+        (yyval.interm.intermTypedNode) = context->addFieldSelectionExpression((yyvsp[(1) - (3)].interm.intermTypedNode), (yylsp[(2) - (3)]), *(yyvsp[(3) - (3)].lex).string, (yylsp[(3) - (3)]));
     }
     break;
 
   case 15:
 
     {
-        if (context->lValueErrorCheck((yyvsp[(2) - (2)].lex).line, "++", (yyvsp[(1) - (2)].interm.intermTypedNode)))
+        if (context->lValueErrorCheck((yylsp[(2) - (2)]), "++", (yyvsp[(1) - (2)].interm.intermTypedNode)))
             context->recover();
-        (yyval.interm.intermTypedNode) = context->intermediate.addUnaryMath(EOpPostIncrement, (yyvsp[(1) - (2)].interm.intermTypedNode), (yyvsp[(2) - (2)].lex).line);
+        (yyval.interm.intermTypedNode) = context->intermediate.addUnaryMath(EOpPostIncrement, (yyvsp[(1) - (2)].interm.intermTypedNode), (yylsp[(2) - (2)]));
         if ((yyval.interm.intermTypedNode) == 0) {
-            context->unaryOpError((yyvsp[(2) - (2)].lex).line, "++", (yyvsp[(1) - (2)].interm.intermTypedNode)->getCompleteString());
+            context->unaryOpError((yylsp[(2) - (2)]), "++", (yyvsp[(1) - (2)].interm.intermTypedNode)->getCompleteString());
             context->recover();
             (yyval.interm.intermTypedNode) = (yyvsp[(1) - (2)].interm.intermTypedNode);
         }
@@ -2516,11 +2660,11 @@
   case 16:
 
     {
-        if (context->lValueErrorCheck((yyvsp[(2) - (2)].lex).line, "--", (yyvsp[(1) - (2)].interm.intermTypedNode)))
+        if (context->lValueErrorCheck((yylsp[(2) - (2)]), "--", (yyvsp[(1) - (2)].interm.intermTypedNode)))
             context->recover();
-        (yyval.interm.intermTypedNode) = context->intermediate.addUnaryMath(EOpPostDecrement, (yyvsp[(1) - (2)].interm.intermTypedNode), (yyvsp[(2) - (2)].lex).line);
+        (yyval.interm.intermTypedNode) = context->intermediate.addUnaryMath(EOpPostDecrement, (yyvsp[(1) - (2)].interm.intermTypedNode), (yylsp[(2) - (2)]));
         if ((yyval.interm.intermTypedNode) == 0) {
-            context->unaryOpError((yyvsp[(2) - (2)].lex).line, "--", (yyvsp[(1) - (2)].interm.intermTypedNode)->getCompleteString());
+            context->unaryOpError((yylsp[(2) - (2)]), "--", (yyvsp[(1) - (2)].interm.intermTypedNode)->getCompleteString());
             context->recover();
             (yyval.interm.intermTypedNode) = (yyvsp[(1) - (2)].interm.intermTypedNode);
         }
@@ -2550,18 +2694,18 @@
             // Their parameters will be verified algorithmically.
             //
             TType type(EbtVoid, EbpUndefined);  // use this to get the type back
-            if (context->constructorErrorCheck((yyvsp[(1) - (1)].interm).line, (yyvsp[(1) - (1)].interm).intermNode, *fnCall, op, &type)) {
+            if (context->constructorErrorCheck((yylsp[(1) - (1)]), (yyvsp[(1) - (1)].interm).intermNode, *fnCall, op, &type)) {
                 (yyval.interm.intermTypedNode) = 0;
             } else {
                 //
                 // It's a constructor, of type 'type'.
                 //
-                (yyval.interm.intermTypedNode) = context->addConstructor((yyvsp[(1) - (1)].interm).intermNode, &type, op, fnCall, (yyvsp[(1) - (1)].interm).line);
+                (yyval.interm.intermTypedNode) = context->addConstructor((yyvsp[(1) - (1)].interm).intermNode, &type, op, fnCall, (yylsp[(1) - (1)]));
             }
 
             if ((yyval.interm.intermTypedNode) == 0) {
                 context->recover();
-                (yyval.interm.intermTypedNode) = context->intermediate.setAggregateOperator(0, op, (yyvsp[(1) - (1)].interm).line);
+                (yyval.interm.intermTypedNode) = context->intermediate.setAggregateOperator(0, op, (yylsp[(1) - (1)]));
             }
             (yyval.interm.intermTypedNode)->setType(type);
         } else {
@@ -2570,13 +2714,13 @@
             //
             const TFunction* fnCandidate;
             bool builtIn;
-            fnCandidate = context->findFunction((yyvsp[(1) - (1)].interm).line, fnCall, context->shaderVersion, &builtIn);
+            fnCandidate = context->findFunction((yylsp[(1) - (1)]), fnCall, context->shaderVersion, &builtIn);
             if (fnCandidate) {
                 //
                 // A declared function.
                 //
                 if (builtIn && !fnCandidate->getExtension().empty() &&
-                    context->extensionErrorCheck((yyvsp[(1) - (1)].interm).line, fnCandidate->getExtension())) {
+                    context->extensionErrorCheck((yylsp[(1) - (1)]), fnCandidate->getExtension())) {
                     context->recover();
                 }
                 op = fnCandidate->getBuiltInOp();
@@ -2588,7 +2732,7 @@
                         //
                         // Treat it like a built-in unary operator.
                         //
-                        (yyval.interm.intermTypedNode) = context->intermediate.addUnaryMath(op, (yyvsp[(1) - (1)].interm).intermNode, 0);
+                        (yyval.interm.intermTypedNode) = context->intermediate.addUnaryMath(op, (yyvsp[(1) - (1)].interm).intermNode, (yylsp[(1) - (1)]));
                         if ((yyval.interm.intermTypedNode) == 0)  {
                             std::stringstream extraInfoStream;
                             extraInfoStream << "built in unary operator function.  Type: " << static_cast<TIntermTyped*>((yyvsp[(1) - (1)].interm).intermNode)->getCompleteString();
@@ -2597,12 +2741,12 @@
                             YYERROR;
                         }
                     } else {
-                        (yyval.interm.intermTypedNode) = context->intermediate.setAggregateOperator((yyvsp[(1) - (1)].interm).intermAggregate, op, (yyvsp[(1) - (1)].interm).line);
+                        (yyval.interm.intermTypedNode) = context->intermediate.setAggregateOperator((yyvsp[(1) - (1)].interm).intermAggregate, op, (yylsp[(1) - (1)]));
                     }
                 } else {
                     // This is a real function call
 
-                    (yyval.interm.intermTypedNode) = context->intermediate.setAggregateOperator((yyvsp[(1) - (1)].interm).intermAggregate, EOpFunctionCall, (yyvsp[(1) - (1)].interm).line);
+                    (yyval.interm.intermTypedNode) = context->intermediate.setAggregateOperator((yyvsp[(1) - (1)].interm).intermAggregate, EOpFunctionCall, (yylsp[(1) - (1)]));
                     (yyval.interm.intermTypedNode)->setType(fnCandidate->getReturnType());
 
                     // this is how we know whether the given function is a builtIn function or a user defined function
@@ -2629,7 +2773,7 @@
                 // Put on a dummy node for error recovery
                 ConstantUnion *unionArray = new ConstantUnion[1];
                 unionArray->setFConst(0.0f);
-                (yyval.interm.intermTypedNode) = context->intermediate.addConstantUnion(unionArray, TType(EbtFloat, EbpUndefined, EvqConst), (yyvsp[(1) - (1)].interm).line);
+                (yyval.interm.intermTypedNode) = context->intermediate.addConstantUnion(unionArray, TType(EbtFloat, EbpUndefined, EvqConst), (yylsp[(1) - (1)]));
                 context->recover();
             }
         }
@@ -2647,7 +2791,7 @@
   case 20:
 
     {
-        context->error((yyvsp[(3) - (3)].interm).line, "methods are not supported", "");
+        context->error((yylsp[(3) - (3)]), "methods are not supported", "");
         context->recover();
         (yyval.interm) = (yyvsp[(3) - (3)].interm);
     }
@@ -2657,7 +2801,6 @@
 
     {
         (yyval.interm) = (yyvsp[(1) - (2)].interm);
-        (yyval.interm).line = (yyvsp[(2) - (2)].lex).line;
     }
     break;
 
@@ -2665,7 +2808,6 @@
 
     {
         (yyval.interm) = (yyvsp[(1) - (2)].interm);
-        (yyval.interm).line = (yyvsp[(2) - (2)].lex).line;
     }
     break;
 
@@ -2701,7 +2843,7 @@
         TParameter param = { 0, new TType((yyvsp[(3) - (3)].interm.intermTypedNode)->getType()) };
         (yyvsp[(1) - (3)].interm).function->addParameter(param);
         (yyval.interm).function = (yyvsp[(1) - (3)].interm).function;
-        (yyval.interm).intermNode = context->intermediate.growAggregate((yyvsp[(1) - (3)].interm).intermNode, (yyvsp[(3) - (3)].interm.intermTypedNode), (yyvsp[(2) - (3)].lex).line);
+        (yyval.interm).intermNode = context->intermediate.growAggregate((yyvsp[(1) - (3)].interm).intermNode, (yyvsp[(3) - (3)].interm.intermTypedNode), (yylsp[(2) - (3)]));
     }
     break;
 
@@ -2722,7 +2864,7 @@
   case 29:
 
     {
-        if (context->reservedErrorCheck((yyvsp[(1) - (1)].lex).line, *(yyvsp[(1) - (1)].lex).string))
+        if (context->reservedErrorCheck((yylsp[(1) - (1)]), *(yyvsp[(1) - (1)].lex).string))
             context->recover();
         TType type(EbtVoid, EbpUndefined);
         TFunction *function = new TFunction((yyvsp[(1) - (1)].lex).string, type);
@@ -2740,11 +2882,11 @@
   case 31:
 
     {
-        if (context->lValueErrorCheck((yyvsp[(1) - (2)].lex).line, "++", (yyvsp[(2) - (2)].interm.intermTypedNode)))
+        if (context->lValueErrorCheck((yylsp[(1) - (2)]), "++", (yyvsp[(2) - (2)].interm.intermTypedNode)))
             context->recover();
-        (yyval.interm.intermTypedNode) = context->intermediate.addUnaryMath(EOpPreIncrement, (yyvsp[(2) - (2)].interm.intermTypedNode), (yyvsp[(1) - (2)].lex).line);
+        (yyval.interm.intermTypedNode) = context->intermediate.addUnaryMath(EOpPreIncrement, (yyvsp[(2) - (2)].interm.intermTypedNode), (yylsp[(1) - (2)]));
         if ((yyval.interm.intermTypedNode) == 0) {
-            context->unaryOpError((yyvsp[(1) - (2)].lex).line, "++", (yyvsp[(2) - (2)].interm.intermTypedNode)->getCompleteString());
+            context->unaryOpError((yylsp[(1) - (2)]), "++", (yyvsp[(2) - (2)].interm.intermTypedNode)->getCompleteString());
             context->recover();
             (yyval.interm.intermTypedNode) = (yyvsp[(2) - (2)].interm.intermTypedNode);
         }
@@ -2754,11 +2896,11 @@
   case 32:
 
     {
-        if (context->lValueErrorCheck((yyvsp[(1) - (2)].lex).line, "--", (yyvsp[(2) - (2)].interm.intermTypedNode)))
+        if (context->lValueErrorCheck((yylsp[(1) - (2)]), "--", (yyvsp[(2) - (2)].interm.intermTypedNode)))
             context->recover();
-        (yyval.interm.intermTypedNode) = context->intermediate.addUnaryMath(EOpPreDecrement, (yyvsp[(2) - (2)].interm.intermTypedNode), (yyvsp[(1) - (2)].lex).line);
+        (yyval.interm.intermTypedNode) = context->intermediate.addUnaryMath(EOpPreDecrement, (yyvsp[(2) - (2)].interm.intermTypedNode), (yylsp[(1) - (2)]));
         if ((yyval.interm.intermTypedNode) == 0) {
-            context->unaryOpError((yyvsp[(1) - (2)].lex).line, "--", (yyvsp[(2) - (2)].interm.intermTypedNode)->getCompleteString());
+            context->unaryOpError((yylsp[(1) - (2)]), "--", (yyvsp[(2) - (2)].interm.intermTypedNode)->getCompleteString());
             context->recover();
             (yyval.interm.intermTypedNode) = (yyvsp[(2) - (2)].interm.intermTypedNode);
         }
@@ -2769,7 +2911,7 @@
 
     {
         if ((yyvsp[(1) - (2)].interm).op != EOpNull) {
-            (yyval.interm.intermTypedNode) = context->intermediate.addUnaryMath((yyvsp[(1) - (2)].interm).op, (yyvsp[(2) - (2)].interm.intermTypedNode), (yyvsp[(1) - (2)].interm).line);
+            (yyval.interm.intermTypedNode) = context->intermediate.addUnaryMath((yyvsp[(1) - (2)].interm).op, (yyvsp[(2) - (2)].interm.intermTypedNode), (yylsp[(1) - (2)]));
             if ((yyval.interm.intermTypedNode) == 0) {
                 const char* errorOp = "";
                 switch((yyvsp[(1) - (2)].interm).op) {
@@ -2777,7 +2919,7 @@
                 case EOpLogicalNot: errorOp = "!"; break;
                 default: break;
                 }
-                context->unaryOpError((yyvsp[(1) - (2)].interm).line, errorOp, (yyvsp[(2) - (2)].interm.intermTypedNode)->getCompleteString());
+                context->unaryOpError((yylsp[(1) - (2)]), errorOp, (yyvsp[(2) - (2)].interm.intermTypedNode)->getCompleteString());
                 context->recover();
                 (yyval.interm.intermTypedNode) = (yyvsp[(2) - (2)].interm.intermTypedNode);
             }
@@ -2788,17 +2930,17 @@
 
   case 34:
 
-    { (yyval.interm).line = (yyvsp[(1) - (1)].lex).line; (yyval.interm).op = EOpNull; }
+    { (yyval.interm).op = EOpNull; }
     break;
 
   case 35:
 
-    { (yyval.interm).line = (yyvsp[(1) - (1)].lex).line; (yyval.interm).op = EOpNegative; }
+    { (yyval.interm).op = EOpNegative; }
     break;
 
   case 36:
 
-    { (yyval.interm).line = (yyvsp[(1) - (1)].lex).line; (yyval.interm).op = EOpLogicalNot; }
+    { (yyval.interm).op = EOpLogicalNot; }
     break;
 
   case 37:
@@ -2809,10 +2951,10 @@
   case 38:
 
     {
-        FRAG_VERT_ONLY("*", (yyvsp[(2) - (3)].lex).line);
-        (yyval.interm.intermTypedNode) = context->intermediate.addBinaryMath(EOpMul, (yyvsp[(1) - (3)].interm.intermTypedNode), (yyvsp[(3) - (3)].interm.intermTypedNode), (yyvsp[(2) - (3)].lex).line);
+        FRAG_VERT_ONLY("*", (yylsp[(2) - (3)]));
+        (yyval.interm.intermTypedNode) = context->intermediate.addBinaryMath(EOpMul, (yyvsp[(1) - (3)].interm.intermTypedNode), (yyvsp[(3) - (3)].interm.intermTypedNode), (yylsp[(2) - (3)]));
         if ((yyval.interm.intermTypedNode) == 0) {
-            context->binaryOpError((yyvsp[(2) - (3)].lex).line, "*", (yyvsp[(1) - (3)].interm.intermTypedNode)->getCompleteString(), (yyvsp[(3) - (3)].interm.intermTypedNode)->getCompleteString());
+            context->binaryOpError((yylsp[(2) - (3)]), "*", (yyvsp[(1) - (3)].interm.intermTypedNode)->getCompleteString(), (yyvsp[(3) - (3)].interm.intermTypedNode)->getCompleteString());
             context->recover();
             (yyval.interm.intermTypedNode) = (yyvsp[(1) - (3)].interm.intermTypedNode);
         }
@@ -2822,10 +2964,10 @@
   case 39:
 
     {
-        FRAG_VERT_ONLY("/", (yyvsp[(2) - (3)].lex).line);
-        (yyval.interm.intermTypedNode) = context->intermediate.addBinaryMath(EOpDiv, (yyvsp[(1) - (3)].interm.intermTypedNode), (yyvsp[(3) - (3)].interm.intermTypedNode), (yyvsp[(2) - (3)].lex).line);
+        FRAG_VERT_ONLY("/", (yylsp[(2) - (3)]));
+        (yyval.interm.intermTypedNode) = context->intermediate.addBinaryMath(EOpDiv, (yyvsp[(1) - (3)].interm.intermTypedNode), (yyvsp[(3) - (3)].interm.intermTypedNode), (yylsp[(2) - (3)]));
         if ((yyval.interm.intermTypedNode) == 0) {
-            context->binaryOpError((yyvsp[(2) - (3)].lex).line, "/", (yyvsp[(1) - (3)].interm.intermTypedNode)->getCompleteString(), (yyvsp[(3) - (3)].interm.intermTypedNode)->getCompleteString());
+            context->binaryOpError((yylsp[(2) - (3)]), "/", (yyvsp[(1) - (3)].interm.intermTypedNode)->getCompleteString(), (yyvsp[(3) - (3)].interm.intermTypedNode)->getCompleteString());
             context->recover();
             (yyval.interm.intermTypedNode) = (yyvsp[(1) - (3)].interm.intermTypedNode);
         }
@@ -2840,9 +2982,9 @@
   case 41:
 
     {
-        (yyval.interm.intermTypedNode) = context->intermediate.addBinaryMath(EOpAdd, (yyvsp[(1) - (3)].interm.intermTypedNode), (yyvsp[(3) - (3)].interm.intermTypedNode), (yyvsp[(2) - (3)].lex).line);
+        (yyval.interm.intermTypedNode) = context->intermediate.addBinaryMath(EOpAdd, (yyvsp[(1) - (3)].interm.intermTypedNode), (yyvsp[(3) - (3)].interm.intermTypedNode), (yylsp[(2) - (3)]));
         if ((yyval.interm.intermTypedNode) == 0) {
-            context->binaryOpError((yyvsp[(2) - (3)].lex).line, "+", (yyvsp[(1) - (3)].interm.intermTypedNode)->getCompleteString(), (yyvsp[(3) - (3)].interm.intermTypedNode)->getCompleteString());
+            context->binaryOpError((yylsp[(2) - (3)]), "+", (yyvsp[(1) - (3)].interm.intermTypedNode)->getCompleteString(), (yyvsp[(3) - (3)].interm.intermTypedNode)->getCompleteString());
             context->recover();
             (yyval.interm.intermTypedNode) = (yyvsp[(1) - (3)].interm.intermTypedNode);
         }
@@ -2852,9 +2994,9 @@
   case 42:
 
     {
-        (yyval.interm.intermTypedNode) = context->intermediate.addBinaryMath(EOpSub, (yyvsp[(1) - (3)].interm.intermTypedNode), (yyvsp[(3) - (3)].interm.intermTypedNode), (yyvsp[(2) - (3)].lex).line);
+        (yyval.interm.intermTypedNode) = context->intermediate.addBinaryMath(EOpSub, (yyvsp[(1) - (3)].interm.intermTypedNode), (yyvsp[(3) - (3)].interm.intermTypedNode), (yylsp[(2) - (3)]));
         if ((yyval.interm.intermTypedNode) == 0) {
-            context->binaryOpError((yyvsp[(2) - (3)].lex).line, "-", (yyvsp[(1) - (3)].interm.intermTypedNode)->getCompleteString(), (yyvsp[(3) - (3)].interm.intermTypedNode)->getCompleteString());
+            context->binaryOpError((yylsp[(2) - (3)]), "-", (yyvsp[(1) - (3)].interm.intermTypedNode)->getCompleteString(), (yyvsp[(3) - (3)].interm.intermTypedNode)->getCompleteString());
             context->recover();
             (yyval.interm.intermTypedNode) = (yyvsp[(1) - (3)].interm.intermTypedNode);
         }
@@ -2874,13 +3016,13 @@
   case 45:
 
     {
-        (yyval.interm.intermTypedNode) = context->intermediate.addBinaryMath(EOpLessThan, (yyvsp[(1) - (3)].interm.intermTypedNode), (yyvsp[(3) - (3)].interm.intermTypedNode), (yyvsp[(2) - (3)].lex).line);
+        (yyval.interm.intermTypedNode) = context->intermediate.addBinaryMath(EOpLessThan, (yyvsp[(1) - (3)].interm.intermTypedNode), (yyvsp[(3) - (3)].interm.intermTypedNode), (yylsp[(2) - (3)]));
         if ((yyval.interm.intermTypedNode) == 0) {
-            context->binaryOpError((yyvsp[(2) - (3)].lex).line, "<", (yyvsp[(1) - (3)].interm.intermTypedNode)->getCompleteString(), (yyvsp[(3) - (3)].interm.intermTypedNode)->getCompleteString());
+            context->binaryOpError((yylsp[(2) - (3)]), "<", (yyvsp[(1) - (3)].interm.intermTypedNode)->getCompleteString(), (yyvsp[(3) - (3)].interm.intermTypedNode)->getCompleteString());
             context->recover();
             ConstantUnion *unionArray = new ConstantUnion[1];
             unionArray->setBConst(false);
-            (yyval.interm.intermTypedNode) = context->intermediate.addConstantUnion(unionArray, TType(EbtBool, EbpUndefined, EvqConst), (yyvsp[(2) - (3)].lex).line);
+            (yyval.interm.intermTypedNode) = context->intermediate.addConstantUnion(unionArray, TType(EbtBool, EbpUndefined, EvqConst), (yylsp[(2) - (3)]));
         }
     }
     break;
@@ -2888,13 +3030,13 @@
   case 46:
 
     {
-        (yyval.interm.intermTypedNode) = context->intermediate.addBinaryMath(EOpGreaterThan, (yyvsp[(1) - (3)].interm.intermTypedNode), (yyvsp[(3) - (3)].interm.intermTypedNode), (yyvsp[(2) - (3)].lex).line);
+        (yyval.interm.intermTypedNode) = context->intermediate.addBinaryMath(EOpGreaterThan, (yyvsp[(1) - (3)].interm.intermTypedNode), (yyvsp[(3) - (3)].interm.intermTypedNode), (yylsp[(2) - (3)]));
         if ((yyval.interm.intermTypedNode) == 0) {
-            context->binaryOpError((yyvsp[(2) - (3)].lex).line, ">", (yyvsp[(1) - (3)].interm.intermTypedNode)->getCompleteString(), (yyvsp[(3) - (3)].interm.intermTypedNode)->getCompleteString());
+            context->binaryOpError((yylsp[(2) - (3)]), ">", (yyvsp[(1) - (3)].interm.intermTypedNode)->getCompleteString(), (yyvsp[(3) - (3)].interm.intermTypedNode)->getCompleteString());
             context->recover();
             ConstantUnion *unionArray = new ConstantUnion[1];
             unionArray->setBConst(false);
-            (yyval.interm.intermTypedNode) = context->intermediate.addConstantUnion(unionArray, TType(EbtBool, EbpUndefined, EvqConst), (yyvsp[(2) - (3)].lex).line);
+            (yyval.interm.intermTypedNode) = context->intermediate.addConstantUnion(unionArray, TType(EbtBool, EbpUndefined, EvqConst), (yylsp[(2) - (3)]));
         }
     }
     break;
@@ -2902,13 +3044,13 @@
   case 47:
 
     {
-        (yyval.interm.intermTypedNode) = context->intermediate.addBinaryMath(EOpLessThanEqual, (yyvsp[(1) - (3)].interm.intermTypedNode), (yyvsp[(3) - (3)].interm.intermTypedNode), (yyvsp[(2) - (3)].lex).line);
+        (yyval.interm.intermTypedNode) = context->intermediate.addBinaryMath(EOpLessThanEqual, (yyvsp[(1) - (3)].interm.intermTypedNode), (yyvsp[(3) - (3)].interm.intermTypedNode), (yylsp[(2) - (3)]));
         if ((yyval.interm.intermTypedNode) == 0) {
-            context->binaryOpError((yyvsp[(2) - (3)].lex).line, "<=", (yyvsp[(1) - (3)].interm.intermTypedNode)->getCompleteString(), (yyvsp[(3) - (3)].interm.intermTypedNode)->getCompleteString());
+            context->binaryOpError((yylsp[(2) - (3)]), "<=", (yyvsp[(1) - (3)].interm.intermTypedNode)->getCompleteString(), (yyvsp[(3) - (3)].interm.intermTypedNode)->getCompleteString());
             context->recover();
             ConstantUnion *unionArray = new ConstantUnion[1];
             unionArray->setBConst(false);
-            (yyval.interm.intermTypedNode) = context->intermediate.addConstantUnion(unionArray, TType(EbtBool, EbpUndefined, EvqConst), (yyvsp[(2) - (3)].lex).line);
+            (yyval.interm.intermTypedNode) = context->intermediate.addConstantUnion(unionArray, TType(EbtBool, EbpUndefined, EvqConst), (yylsp[(2) - (3)]));
         }
     }
     break;
@@ -2916,13 +3058,13 @@
   case 48:
 
     {
-        (yyval.interm.intermTypedNode) = context->intermediate.addBinaryMath(EOpGreaterThanEqual, (yyvsp[(1) - (3)].interm.intermTypedNode), (yyvsp[(3) - (3)].interm.intermTypedNode), (yyvsp[(2) - (3)].lex).line);
+        (yyval.interm.intermTypedNode) = context->intermediate.addBinaryMath(EOpGreaterThanEqual, (yyvsp[(1) - (3)].interm.intermTypedNode), (yyvsp[(3) - (3)].interm.intermTypedNode), (yylsp[(2) - (3)]));
         if ((yyval.interm.intermTypedNode) == 0) {
-            context->binaryOpError((yyvsp[(2) - (3)].lex).line, ">=", (yyvsp[(1) - (3)].interm.intermTypedNode)->getCompleteString(), (yyvsp[(3) - (3)].interm.intermTypedNode)->getCompleteString());
+            context->binaryOpError((yylsp[(2) - (3)]), ">=", (yyvsp[(1) - (3)].interm.intermTypedNode)->getCompleteString(), (yyvsp[(3) - (3)].interm.intermTypedNode)->getCompleteString());
             context->recover();
             ConstantUnion *unionArray = new ConstantUnion[1];
             unionArray->setBConst(false);
-            (yyval.interm.intermTypedNode) = context->intermediate.addConstantUnion(unionArray, TType(EbtBool, EbpUndefined, EvqConst), (yyvsp[(2) - (3)].lex).line);
+            (yyval.interm.intermTypedNode) = context->intermediate.addConstantUnion(unionArray, TType(EbtBool, EbpUndefined, EvqConst), (yylsp[(2) - (3)]));
         }
     }
     break;
@@ -2935,13 +3077,13 @@
   case 50:
 
     {
-        (yyval.interm.intermTypedNode) = context->intermediate.addBinaryMath(EOpEqual, (yyvsp[(1) - (3)].interm.intermTypedNode), (yyvsp[(3) - (3)].interm.intermTypedNode), (yyvsp[(2) - (3)].lex).line);
+        (yyval.interm.intermTypedNode) = context->intermediate.addBinaryMath(EOpEqual, (yyvsp[(1) - (3)].interm.intermTypedNode), (yyvsp[(3) - (3)].interm.intermTypedNode), (yylsp[(2) - (3)]));
         if ((yyval.interm.intermTypedNode) == 0) {
-            context->binaryOpError((yyvsp[(2) - (3)].lex).line, "==", (yyvsp[(1) - (3)].interm.intermTypedNode)->getCompleteString(), (yyvsp[(3) - (3)].interm.intermTypedNode)->getCompleteString());
+            context->binaryOpError((yylsp[(2) - (3)]), "==", (yyvsp[(1) - (3)].interm.intermTypedNode)->getCompleteString(), (yyvsp[(3) - (3)].interm.intermTypedNode)->getCompleteString());
             context->recover();
             ConstantUnion *unionArray = new ConstantUnion[1];
             unionArray->setBConst(false);
-            (yyval.interm.intermTypedNode) = context->intermediate.addConstantUnion(unionArray, TType(EbtBool, EbpUndefined, EvqConst), (yyvsp[(2) - (3)].lex).line);
+            (yyval.interm.intermTypedNode) = context->intermediate.addConstantUnion(unionArray, TType(EbtBool, EbpUndefined, EvqConst), (yylsp[(2) - (3)]));
         }
     }
     break;
@@ -2949,13 +3091,13 @@
   case 51:
 
     {
-        (yyval.interm.intermTypedNode) = context->intermediate.addBinaryMath(EOpNotEqual, (yyvsp[(1) - (3)].interm.intermTypedNode), (yyvsp[(3) - (3)].interm.intermTypedNode), (yyvsp[(2) - (3)].lex).line);
+        (yyval.interm.intermTypedNode) = context->intermediate.addBinaryMath(EOpNotEqual, (yyvsp[(1) - (3)].interm.intermTypedNode), (yyvsp[(3) - (3)].interm.intermTypedNode), (yylsp[(2) - (3)]));
         if ((yyval.interm.intermTypedNode) == 0) {
-            context->binaryOpError((yyvsp[(2) - (3)].lex).line, "!=", (yyvsp[(1) - (3)].interm.intermTypedNode)->getCompleteString(), (yyvsp[(3) - (3)].interm.intermTypedNode)->getCompleteString());
+            context->binaryOpError((yylsp[(2) - (3)]), "!=", (yyvsp[(1) - (3)].interm.intermTypedNode)->getCompleteString(), (yyvsp[(3) - (3)].interm.intermTypedNode)->getCompleteString());
             context->recover();
             ConstantUnion *unionArray = new ConstantUnion[1];
             unionArray->setBConst(false);
-            (yyval.interm.intermTypedNode) = context->intermediate.addConstantUnion(unionArray, TType(EbtBool, EbpUndefined, EvqConst), (yyvsp[(2) - (3)].lex).line);
+            (yyval.interm.intermTypedNode) = context->intermediate.addConstantUnion(unionArray, TType(EbtBool, EbpUndefined, EvqConst), (yylsp[(2) - (3)]));
         }
     }
     break;
@@ -2983,13 +3125,13 @@
   case 56:
 
     {
-        (yyval.interm.intermTypedNode) = context->intermediate.addBinaryMath(EOpLogicalAnd, (yyvsp[(1) - (3)].interm.intermTypedNode), (yyvsp[(3) - (3)].interm.intermTypedNode), (yyvsp[(2) - (3)].lex).line);
+        (yyval.interm.intermTypedNode) = context->intermediate.addBinaryMath(EOpLogicalAnd, (yyvsp[(1) - (3)].interm.intermTypedNode), (yyvsp[(3) - (3)].interm.intermTypedNode), (yylsp[(2) - (3)]));
         if ((yyval.interm.intermTypedNode) == 0) {
-            context->binaryOpError((yyvsp[(2) - (3)].lex).line, "&&", (yyvsp[(1) - (3)].interm.intermTypedNode)->getCompleteString(), (yyvsp[(3) - (3)].interm.intermTypedNode)->getCompleteString());
+            context->binaryOpError((yylsp[(2) - (3)]), "&&", (yyvsp[(1) - (3)].interm.intermTypedNode)->getCompleteString(), (yyvsp[(3) - (3)].interm.intermTypedNode)->getCompleteString());
             context->recover();
             ConstantUnion *unionArray = new ConstantUnion[1];
             unionArray->setBConst(false);
-            (yyval.interm.intermTypedNode) = context->intermediate.addConstantUnion(unionArray, TType(EbtBool, EbpUndefined, EvqConst), (yyvsp[(2) - (3)].lex).line);
+            (yyval.interm.intermTypedNode) = context->intermediate.addConstantUnion(unionArray, TType(EbtBool, EbpUndefined, EvqConst), (yylsp[(2) - (3)]));
         }
     }
     break;
@@ -3002,13 +3144,13 @@
   case 58:
 
     {
-        (yyval.interm.intermTypedNode) = context->intermediate.addBinaryMath(EOpLogicalXor, (yyvsp[(1) - (3)].interm.intermTypedNode), (yyvsp[(3) - (3)].interm.intermTypedNode), (yyvsp[(2) - (3)].lex).line);
+        (yyval.interm.intermTypedNode) = context->intermediate.addBinaryMath(EOpLogicalXor, (yyvsp[(1) - (3)].interm.intermTypedNode), (yyvsp[(3) - (3)].interm.intermTypedNode), (yylsp[(2) - (3)]));
         if ((yyval.interm.intermTypedNode) == 0) {
-            context->binaryOpError((yyvsp[(2) - (3)].lex).line, "^^", (yyvsp[(1) - (3)].interm.intermTypedNode)->getCompleteString(), (yyvsp[(3) - (3)].interm.intermTypedNode)->getCompleteString());
+            context->binaryOpError((yylsp[(2) - (3)]), "^^", (yyvsp[(1) - (3)].interm.intermTypedNode)->getCompleteString(), (yyvsp[(3) - (3)].interm.intermTypedNode)->getCompleteString());
             context->recover();
             ConstantUnion *unionArray = new ConstantUnion[1];
             unionArray->setBConst(false);
-            (yyval.interm.intermTypedNode) = context->intermediate.addConstantUnion(unionArray, TType(EbtBool, EbpUndefined, EvqConst), (yyvsp[(2) - (3)].lex).line);
+            (yyval.interm.intermTypedNode) = context->intermediate.addConstantUnion(unionArray, TType(EbtBool, EbpUndefined, EvqConst), (yylsp[(2) - (3)]));
         }
     }
     break;
@@ -3021,13 +3163,13 @@
   case 60:
 
     {
-        (yyval.interm.intermTypedNode) = context->intermediate.addBinaryMath(EOpLogicalOr, (yyvsp[(1) - (3)].interm.intermTypedNode), (yyvsp[(3) - (3)].interm.intermTypedNode), (yyvsp[(2) - (3)].lex).line);
+        (yyval.interm.intermTypedNode) = context->intermediate.addBinaryMath(EOpLogicalOr, (yyvsp[(1) - (3)].interm.intermTypedNode), (yyvsp[(3) - (3)].interm.intermTypedNode), (yylsp[(2) - (3)]));
         if ((yyval.interm.intermTypedNode) == 0) {
-            context->binaryOpError((yyvsp[(2) - (3)].lex).line, "||", (yyvsp[(1) - (3)].interm.intermTypedNode)->getCompleteString(), (yyvsp[(3) - (3)].interm.intermTypedNode)->getCompleteString());
+            context->binaryOpError((yylsp[(2) - (3)]), "||", (yyvsp[(1) - (3)].interm.intermTypedNode)->getCompleteString(), (yyvsp[(3) - (3)].interm.intermTypedNode)->getCompleteString());
             context->recover();
             ConstantUnion *unionArray = new ConstantUnion[1];
             unionArray->setBConst(false);
-            (yyval.interm.intermTypedNode) = context->intermediate.addConstantUnion(unionArray, TType(EbtBool, EbpUndefined, EvqConst), (yyvsp[(2) - (3)].lex).line);
+            (yyval.interm.intermTypedNode) = context->intermediate.addConstantUnion(unionArray, TType(EbtBool, EbpUndefined, EvqConst), (yylsp[(2) - (3)]));
         }
     }
     break;
@@ -3040,15 +3182,15 @@
   case 62:
 
     {
-       if (context->boolErrorCheck((yyvsp[(2) - (5)].lex).line, (yyvsp[(1) - (5)].interm.intermTypedNode)))
+       if (context->boolErrorCheck((yylsp[(2) - (5)]), (yyvsp[(1) - (5)].interm.intermTypedNode)))
             context->recover();
 
-        (yyval.interm.intermTypedNode) = context->intermediate.addSelection((yyvsp[(1) - (5)].interm.intermTypedNode), (yyvsp[(3) - (5)].interm.intermTypedNode), (yyvsp[(5) - (5)].interm.intermTypedNode), (yyvsp[(2) - (5)].lex).line);
+        (yyval.interm.intermTypedNode) = context->intermediate.addSelection((yyvsp[(1) - (5)].interm.intermTypedNode), (yyvsp[(3) - (5)].interm.intermTypedNode), (yyvsp[(5) - (5)].interm.intermTypedNode), (yylsp[(2) - (5)]));
         if ((yyvsp[(3) - (5)].interm.intermTypedNode)->getType() != (yyvsp[(5) - (5)].interm.intermTypedNode)->getType())
             (yyval.interm.intermTypedNode) = 0;
 
         if ((yyval.interm.intermTypedNode) == 0) {
-            context->binaryOpError((yyvsp[(2) - (5)].lex).line, ":", (yyvsp[(3) - (5)].interm.intermTypedNode)->getCompleteString(), (yyvsp[(5) - (5)].interm.intermTypedNode)->getCompleteString());
+            context->binaryOpError((yylsp[(2) - (5)]), ":", (yyvsp[(3) - (5)].interm.intermTypedNode)->getCompleteString(), (yyvsp[(5) - (5)].interm.intermTypedNode)->getCompleteString());
             context->recover();
             (yyval.interm.intermTypedNode) = (yyvsp[(5) - (5)].interm.intermTypedNode);
         }
@@ -3063,11 +3205,11 @@
   case 64:
 
     {
-        if (context->lValueErrorCheck((yyvsp[(2) - (3)].interm).line, "assign", (yyvsp[(1) - (3)].interm.intermTypedNode)))
+        if (context->lValueErrorCheck((yylsp[(2) - (3)]), "assign", (yyvsp[(1) - (3)].interm.intermTypedNode)))
             context->recover();
-        (yyval.interm.intermTypedNode) = context->intermediate.addAssign((yyvsp[(2) - (3)].interm).op, (yyvsp[(1) - (3)].interm.intermTypedNode), (yyvsp[(3) - (3)].interm.intermTypedNode), (yyvsp[(2) - (3)].interm).line);
+        (yyval.interm.intermTypedNode) = context->intermediate.addAssign((yyvsp[(2) - (3)].interm).op, (yyvsp[(1) - (3)].interm.intermTypedNode), (yyvsp[(3) - (3)].interm.intermTypedNode), (yylsp[(2) - (3)]));
         if ((yyval.interm.intermTypedNode) == 0) {
-            context->assignError((yyvsp[(2) - (3)].interm).line, "assign", (yyvsp[(1) - (3)].interm.intermTypedNode)->getCompleteString(), (yyvsp[(3) - (3)].interm.intermTypedNode)->getCompleteString());
+            context->assignError((yylsp[(2) - (3)]), "assign", (yyvsp[(1) - (3)].interm.intermTypedNode)->getCompleteString(), (yyvsp[(3) - (3)].interm.intermTypedNode)->getCompleteString());
             context->recover();
             (yyval.interm.intermTypedNode) = (yyvsp[(1) - (3)].interm.intermTypedNode);
         }
@@ -3076,27 +3218,27 @@
 
   case 65:
 
-    {                                    (yyval.interm).line = (yyvsp[(1) - (1)].lex).line; (yyval.interm).op = EOpAssign; }
+    {                               (yyval.interm).op = EOpAssign; }
     break;
 
   case 66:
 
-    { FRAG_VERT_ONLY("*=", (yyvsp[(1) - (1)].lex).line);     (yyval.interm).line = (yyvsp[(1) - (1)].lex).line; (yyval.interm).op = EOpMulAssign; }
+    { FRAG_VERT_ONLY("*=", (yylsp[(1) - (1)]));     (yyval.interm).op = EOpMulAssign; }
     break;
 
   case 67:
 
-    { FRAG_VERT_ONLY("/=", (yyvsp[(1) - (1)].lex).line);     (yyval.interm).line = (yyvsp[(1) - (1)].lex).line; (yyval.interm).op = EOpDivAssign; }
+    { FRAG_VERT_ONLY("/=", (yylsp[(1) - (1)]));     (yyval.interm).op = EOpDivAssign; }
     break;
 
   case 68:
 
-    {                                    (yyval.interm).line = (yyvsp[(1) - (1)].lex).line; (yyval.interm).op = EOpAddAssign; }
+    {                               (yyval.interm).op = EOpAddAssign; }
     break;
 
   case 69:
 
-    {                                    (yyval.interm).line = (yyvsp[(1) - (1)].lex).line; (yyval.interm).op = EOpSubAssign; }
+    {                               (yyval.interm).op = EOpSubAssign; }
     break;
 
   case 70:
@@ -3109,9 +3251,9 @@
   case 71:
 
     {
-        (yyval.interm.intermTypedNode) = context->intermediate.addComma((yyvsp[(1) - (3)].interm.intermTypedNode), (yyvsp[(3) - (3)].interm.intermTypedNode), (yyvsp[(2) - (3)].lex).line);
+        (yyval.interm.intermTypedNode) = context->intermediate.addComma((yyvsp[(1) - (3)].interm.intermTypedNode), (yyvsp[(3) - (3)].interm.intermTypedNode), (yylsp[(2) - (3)]));
         if ((yyval.interm.intermTypedNode) == 0) {
-            context->binaryOpError((yyvsp[(2) - (3)].lex).line, ",", (yyvsp[(1) - (3)].interm.intermTypedNode)->getCompleteString(), (yyvsp[(3) - (3)].interm.intermTypedNode)->getCompleteString());
+            context->binaryOpError((yylsp[(2) - (3)]), ",", (yyvsp[(1) - (3)].interm.intermTypedNode)->getCompleteString(), (yyvsp[(3) - (3)].interm.intermTypedNode)->getCompleteString());
             context->recover();
             (yyval.interm.intermTypedNode) = (yyvsp[(3) - (3)].interm.intermTypedNode);
         }
@@ -3130,7 +3272,7 @@
   case 73:
 
     {
-        if (context->enterStructDeclaration((yyvsp[(1) - (2)].lex).line, *(yyvsp[(1) - (2)].lex).string))
+        if (context->enterStructDeclaration((yylsp[(1) - (2)]), *(yyvsp[(1) - (2)].lex).string))
             context->recover();
         (yyval.lex) = (yyvsp[(1) - (2)].lex);
     }
@@ -3152,11 +3294,11 @@
             {
                 TVariable variable(param.name, *param.type);
                 
-                prototype = context->intermediate.growAggregate(prototype, context->intermediate.addSymbol(variable.getUniqueId(), variable.getName(), variable.getType(), (yyvsp[(1) - (2)].interm).line), (yyvsp[(1) - (2)].interm).line);
+                prototype = context->intermediate.growAggregate(prototype, context->intermediate.addSymbol(variable.getUniqueId(), variable.getName(), variable.getType(), (yylsp[(1) - (2)])), (yylsp[(1) - (2)]));
             }
             else
             {
-                prototype = context->intermediate.growAggregate(prototype, context->intermediate.addSymbol(0, "", *param.type, (yyvsp[(1) - (2)].interm).line), (yyvsp[(1) - (2)].interm).line);
+                prototype = context->intermediate.growAggregate(prototype, context->intermediate.addSymbol(0, "", *param.type, (yylsp[(1) - (2)])), (yylsp[(1) - (2)]));
             }
         }
         
@@ -3180,11 +3322,11 @@
 
     {
         if (((yyvsp[(2) - (4)].interm.precision) == EbpHigh) && (context->shaderType == SH_FRAGMENT_SHADER) && !context->fragmentPrecisionHigh) {
-            context->error((yyvsp[(1) - (4)].lex).line, "precision is not supported in fragment shader", "highp");
+            context->error((yylsp[(1) - (4)]), "precision is not supported in fragment shader", "highp");
             context->recover();
         }
         if (!context->symbolTable.setDefaultPrecision( (yyvsp[(3) - (4)].interm.type), (yyvsp[(2) - (4)].interm.precision) )) {
-            context->error((yyvsp[(1) - (4)].lex).line, "illegal type argument for default precision qualifier", getBasicString((yyvsp[(3) - (4)].interm.type).type));
+            context->error((yylsp[(1) - (4)]), "illegal type argument for default precision qualifier", getBasicString((yyvsp[(3) - (4)].interm.type).type));
             context->recover();
         }
         (yyval.interm.intermNode) = 0;
@@ -3194,24 +3336,24 @@
   case 77:
 
     {
-        ES3_ONLY(getQualifierString((yyvsp[(1) - (5)].interm.type).qualifier), (yyvsp[(1) - (5)].interm.type).line, "interface blocks");
-        (yyval.interm.intermNode) = context->addInterfaceBlock((yyvsp[(1) - (5)].interm.type), (yyvsp[(2) - (5)].lex).line, *(yyvsp[(2) - (5)].lex).string, (yyvsp[(3) - (5)].interm.typeList), "", 0, NULL, 0);
+        ES3_ONLY(getQualifierString((yyvsp[(1) - (5)].interm.type).qualifier), (yylsp[(1) - (5)]), "interface blocks");
+        (yyval.interm.intermNode) = context->addInterfaceBlock((yyvsp[(1) - (5)].interm.type), (yylsp[(2) - (5)]), *(yyvsp[(2) - (5)].lex).string, (yyvsp[(3) - (5)].interm.typeList), "", (yyloc), NULL, (yyloc));
     }
     break;
 
   case 78:
 
     {
-        ES3_ONLY(getQualifierString((yyvsp[(1) - (6)].interm.type).qualifier), (yyvsp[(1) - (6)].interm.type).line, "interface blocks");
-        (yyval.interm.intermNode) = context->addInterfaceBlock((yyvsp[(1) - (6)].interm.type), (yyvsp[(2) - (6)].lex).line, *(yyvsp[(2) - (6)].lex).string, (yyvsp[(3) - (6)].interm.typeList), *(yyvsp[(5) - (6)].lex).string, (yyvsp[(5) - (6)].lex).line, NULL, 0);
+        ES3_ONLY(getQualifierString((yyvsp[(1) - (6)].interm.type).qualifier), (yylsp[(1) - (6)]), "interface blocks");
+        (yyval.interm.intermNode) = context->addInterfaceBlock((yyvsp[(1) - (6)].interm.type), (yylsp[(2) - (6)]), *(yyvsp[(2) - (6)].lex).string, (yyvsp[(3) - (6)].interm.typeList), *(yyvsp[(5) - (6)].lex).string, (yylsp[(5) - (6)]), NULL, (yyloc));
     }
     break;
 
   case 79:
 
     {
-        ES3_ONLY(getQualifierString((yyvsp[(1) - (9)].interm.type).qualifier), (yyvsp[(1) - (9)].interm.type).line, "interface blocks");
-        (yyval.interm.intermNode) = context->addInterfaceBlock((yyvsp[(1) - (9)].interm.type), (yyvsp[(2) - (9)].lex).line, *(yyvsp[(2) - (9)].lex).string, (yyvsp[(3) - (9)].interm.typeList), *(yyvsp[(5) - (9)].lex).string, (yyvsp[(5) - (9)].lex).line, (yyvsp[(7) - (9)].interm.intermTypedNode), (yyvsp[(6) - (9)].lex).line);
+        ES3_ONLY(getQualifierString((yyvsp[(1) - (9)].interm.type).qualifier), (yylsp[(1) - (9)]), "interface blocks");
+        (yyval.interm.intermNode) = context->addInterfaceBlock((yyvsp[(1) - (9)].interm.type), (yylsp[(2) - (9)]), *(yyvsp[(2) - (9)].lex).string, (yyvsp[(3) - (9)].interm.typeList), *(yyvsp[(5) - (9)].lex).string, (yylsp[(5) - (9)]), (yyvsp[(7) - (9)].interm.intermTypedNode), (yylsp[(6) - (9)]));
     }
     break;
 
@@ -3237,12 +3379,12 @@
         TFunction* prevDec = static_cast<TFunction*>(context->symbolTable.find((yyvsp[(1) - (2)].interm.function)->getMangledName(), context->shaderVersion));
         if (prevDec) {
             if (prevDec->getReturnType() != (yyvsp[(1) - (2)].interm.function)->getReturnType()) {
-                context->error((yyvsp[(2) - (2)].lex).line, "overloaded functions must have the same return type", (yyvsp[(1) - (2)].interm.function)->getReturnType().getBasicString());
+                context->error((yylsp[(2) - (2)]), "overloaded functions must have the same return type", (yyvsp[(1) - (2)].interm.function)->getReturnType().getBasicString());
                 context->recover();
             }
             for (size_t i = 0; i < prevDec->getParamCount(); ++i) {
                 if (prevDec->getParam(i).type->getQualifier() != (yyvsp[(1) - (2)].interm.function)->getParam(i).type->getQualifier()) {
-                    context->error((yyvsp[(2) - (2)].lex).line, "overloaded functions must have the same parameter qualifiers", (yyvsp[(1) - (2)].interm.function)->getParam(i).type->getQualifierString());
+                    context->error((yylsp[(2) - (2)]), "overloaded functions must have the same parameter qualifiers", (yyvsp[(1) - (2)].interm.function)->getParam(i).type->getQualifierString());
                     context->recover();
                 }
             }
@@ -3254,7 +3396,6 @@
         // being redeclared.  So, pass back up this declaration, not the one in the symbol table.
         //
         (yyval.interm).function = (yyvsp[(1) - (2)].interm.function);
-        (yyval.interm).line = (yyvsp[(2) - (2)].lex).line;
 
         // We're at the inner scope level of the function's arguments and body statement.
         // Add the function prototype to the surrounding scope instead.
@@ -3299,7 +3440,7 @@
             //
             // This parameter > first is void
             //
-            context->error((yyvsp[(2) - (3)].lex).line, "cannot be an argument type except for '(void)'", "void");
+            context->error((yylsp[(2) - (3)]), "cannot be an argument type except for '(void)'", "void");
             context->recover();
             delete (yyvsp[(3) - (3)].interm).param.type;
         } else {
@@ -3314,11 +3455,11 @@
 
     {
         if ((yyvsp[(1) - (3)].interm.type).qualifier != EvqGlobal && (yyvsp[(1) - (3)].interm.type).qualifier != EvqTemporary) {
-            context->error((yyvsp[(2) - (3)].lex).line, "no qualifiers allowed for function return", getQualifierString((yyvsp[(1) - (3)].interm.type).qualifier));
+            context->error((yylsp[(2) - (3)]), "no qualifiers allowed for function return", getQualifierString((yyvsp[(1) - (3)].interm.type).qualifier));
             context->recover();
         }
         // make sure a sampler is not involved as well...
-        if (context->structQualifierErrorCheck((yyvsp[(2) - (3)].lex).line, (yyvsp[(1) - (3)].interm.type)))
+        if (context->structQualifierErrorCheck((yylsp[(2) - (3)]), (yyvsp[(1) - (3)].interm.type)))
             context->recover();
 
         // Add the function as a prototype after parsing it (we do not support recursion)
@@ -3335,13 +3476,12 @@
 
     {
         if ((yyvsp[(1) - (2)].interm.type).type == EbtVoid) {
-            context->error((yyvsp[(2) - (2)].lex).line, "illegal use of type 'void'", (yyvsp[(2) - (2)].lex).string->c_str());
+            context->error((yylsp[(2) - (2)]), "illegal use of type 'void'", (yyvsp[(2) - (2)].lex).string->c_str());
             context->recover();
         }
-        if (context->reservedErrorCheck((yyvsp[(2) - (2)].lex).line, *(yyvsp[(2) - (2)].lex).string))
+        if (context->reservedErrorCheck((yylsp[(2) - (2)]), *(yyvsp[(2) - (2)].lex).string))
             context->recover();
         TParameter param = {(yyvsp[(2) - (2)].lex).string, new TType((yyvsp[(1) - (2)].interm.type))};
-        (yyval.interm).line = (yyvsp[(2) - (2)].lex).line;
         (yyval.interm).param = param;
     }
     break;
@@ -3350,20 +3490,19 @@
 
     {
         // Check that we can make an array out of this type
-        if (context->arrayTypeErrorCheck((yyvsp[(3) - (5)].lex).line, (yyvsp[(1) - (5)].interm.type)))
+        if (context->arrayTypeErrorCheck((yylsp[(3) - (5)]), (yyvsp[(1) - (5)].interm.type)))
             context->recover();
 
-        if (context->reservedErrorCheck((yyvsp[(2) - (5)].lex).line, *(yyvsp[(2) - (5)].lex).string))
+        if (context->reservedErrorCheck((yylsp[(2) - (5)]), *(yyvsp[(2) - (5)].lex).string))
             context->recover();
 
         int size;
-        if (context->arraySizeErrorCheck((yyvsp[(3) - (5)].lex).line, (yyvsp[(4) - (5)].interm.intermTypedNode), size))
+        if (context->arraySizeErrorCheck((yylsp[(3) - (5)]), (yyvsp[(4) - (5)].interm.intermTypedNode), size))
             context->recover();
         (yyvsp[(1) - (5)].interm.type).setArray(true, size);
 
         TType* type = new TType((yyvsp[(1) - (5)].interm.type));
         TParameter param = { (yyvsp[(2) - (5)].lex).string, type };
-        (yyval.interm).line = (yyvsp[(2) - (5)].lex).line;
         (yyval.interm).param = param;
     }
     break;
@@ -3372,7 +3511,7 @@
 
     {
         (yyval.interm) = (yyvsp[(3) - (3)].interm);
-        if (context->paramErrorCheck((yyvsp[(3) - (3)].interm).line, (yyvsp[(1) - (3)].interm.qualifier), (yyvsp[(2) - (3)].interm.qualifier), (yyval.interm).param.type))
+        if (context->paramErrorCheck((yylsp[(3) - (3)]), (yyvsp[(1) - (3)].interm.qualifier), (yyvsp[(2) - (3)].interm.qualifier), (yyval.interm).param.type))
             context->recover();
     }
     break;
@@ -3381,9 +3520,9 @@
 
     {
         (yyval.interm) = (yyvsp[(2) - (2)].interm);
-        if (context->parameterSamplerErrorCheck((yyvsp[(2) - (2)].interm).line, (yyvsp[(1) - (2)].interm.qualifier), *(yyvsp[(2) - (2)].interm).param.type))
+        if (context->parameterSamplerErrorCheck((yylsp[(2) - (2)]), (yyvsp[(1) - (2)].interm.qualifier), *(yyvsp[(2) - (2)].interm).param.type))
             context->recover();
-        if (context->paramErrorCheck((yyvsp[(2) - (2)].interm).line, EvqTemporary, (yyvsp[(1) - (2)].interm.qualifier), (yyval.interm).param.type))
+        if (context->paramErrorCheck((yylsp[(2) - (2)]), EvqTemporary, (yyvsp[(1) - (2)].interm.qualifier), (yyval.interm).param.type))
             context->recover();
     }
     break;
@@ -3392,7 +3531,7 @@
 
     {
         (yyval.interm) = (yyvsp[(3) - (3)].interm);
-        if (context->paramErrorCheck((yyvsp[(3) - (3)].interm).line, (yyvsp[(1) - (3)].interm.qualifier), (yyvsp[(2) - (3)].interm.qualifier), (yyval.interm).param.type))
+        if (context->paramErrorCheck((yylsp[(3) - (3)]), (yyvsp[(1) - (3)].interm.qualifier), (yyvsp[(2) - (3)].interm.qualifier), (yyval.interm).param.type))
             context->recover();
     }
     break;
@@ -3401,9 +3540,9 @@
 
     {
         (yyval.interm) = (yyvsp[(2) - (2)].interm);
-        if (context->parameterSamplerErrorCheck((yyvsp[(2) - (2)].interm).line, (yyvsp[(1) - (2)].interm.qualifier), *(yyvsp[(2) - (2)].interm).param.type))
+        if (context->parameterSamplerErrorCheck((yylsp[(2) - (2)]), (yyvsp[(1) - (2)].interm.qualifier), *(yyvsp[(2) - (2)].interm).param.type))
             context->recover();
-        if (context->paramErrorCheck((yyvsp[(2) - (2)].interm).line, EvqTemporary, (yyvsp[(1) - (2)].interm.qualifier), (yyval.interm).param.type))
+        if (context->paramErrorCheck((yylsp[(2) - (2)]), EvqTemporary, (yyvsp[(1) - (2)].interm.qualifier), (yyval.interm).param.type))
             context->recover();
     }
     break;
@@ -3455,7 +3594,7 @@
 
     {
         (yyval.interm) = (yyvsp[(1) - (3)].interm);
-        (yyval.interm).intermAggregate = context->parseDeclarator((yyval.interm).type, (yyvsp[(1) - (3)].interm).intermAggregate, (yyvsp[(3) - (3)].lex).symbol, (yyvsp[(3) - (3)].lex).line, *(yyvsp[(3) - (3)].lex).string);
+        (yyval.interm).intermAggregate = context->parseDeclarator((yyval.interm).type, (yyvsp[(1) - (3)].interm).intermAggregate, (yyvsp[(3) - (3)].lex).symbol, (yylsp[(3) - (3)]), *(yyvsp[(3) - (3)].lex).string);
     }
     break;
 
@@ -3463,7 +3602,7 @@
 
     {
         (yyval.interm) = (yyvsp[(1) - (5)].interm);
-        context->parseArrayDeclarator((yyval.interm).type, (yyvsp[(3) - (5)].lex).line, *(yyvsp[(3) - (5)].lex).string, (yyvsp[(4) - (5)].lex).line, NULL, NULL);
+        context->parseArrayDeclarator((yyval.interm).type, (yylsp[(3) - (5)]), *(yyvsp[(3) - (5)].lex).string, (yylsp[(4) - (5)]), NULL, NULL);
     }
     break;
 
@@ -3471,7 +3610,7 @@
 
     {
         (yyval.interm) = (yyvsp[(1) - (6)].interm);
-        (yyval.interm).intermAggregate = context->parseArrayDeclarator((yyval.interm).type, (yyvsp[(3) - (6)].lex).line, *(yyvsp[(3) - (6)].lex).string, (yyvsp[(4) - (6)].lex).line, (yyvsp[(1) - (6)].interm).intermNode, (yyvsp[(5) - (6)].interm.intermTypedNode));
+        (yyval.interm).intermAggregate = context->parseArrayDeclarator((yyval.interm).type, (yylsp[(3) - (6)]), *(yyvsp[(3) - (6)].lex).string, (yylsp[(4) - (6)]), (yyvsp[(1) - (6)].interm).intermNode, (yyvsp[(5) - (6)].interm.intermTypedNode));
     }
     break;
 
@@ -3479,7 +3618,7 @@
 
     {
         (yyval.interm) = (yyvsp[(1) - (5)].interm);
-        (yyval.interm).intermAggregate = context->parseInitDeclarator((yyval.interm).type, (yyvsp[(1) - (5)].interm).intermAggregate, (yyvsp[(3) - (5)].lex).line, *(yyvsp[(3) - (5)].lex).string, (yyvsp[(4) - (5)].lex).line, (yyvsp[(5) - (5)].interm.intermTypedNode));
+        (yyval.interm).intermAggregate = context->parseInitDeclarator((yyval.interm).type, (yyvsp[(1) - (5)].interm).intermAggregate, (yylsp[(3) - (5)]), *(yyvsp[(3) - (5)].lex).string, (yylsp[(4) - (5)]), (yyvsp[(5) - (5)].interm.intermTypedNode));
     }
     break;
 
@@ -3487,7 +3626,7 @@
 
     {
         (yyval.interm).type = (yyvsp[(1) - (1)].interm.type);
-        (yyval.interm).intermAggregate = context->parseSingleDeclaration((yyval.interm).type, (yyvsp[(1) - (1)].interm.type).line, "");
+        (yyval.interm).intermAggregate = context->parseSingleDeclaration((yyval.interm).type, (yylsp[(1) - (1)]), "");
     }
     break;
 
@@ -3495,18 +3634,18 @@
 
     {
         (yyval.interm).type = (yyvsp[(1) - (2)].interm.type);
-        (yyval.interm).intermAggregate = context->parseSingleDeclaration((yyval.interm).type, (yyvsp[(2) - (2)].lex).line, *(yyvsp[(2) - (2)].lex).string);
+        (yyval.interm).intermAggregate = context->parseSingleDeclaration((yyval.interm).type, (yylsp[(2) - (2)]), *(yyvsp[(2) - (2)].lex).string);
     }
     break;
 
   case 105:
 
     {
-        context->error((yyvsp[(2) - (4)].lex).line, "unsized array declarations not supported", (yyvsp[(2) - (4)].lex).string->c_str());
+        context->error((yylsp[(2) - (4)]), "unsized array declarations not supported", (yyvsp[(2) - (4)].lex).string->c_str());
         context->recover();
 
         (yyval.interm).type = (yyvsp[(1) - (4)].interm.type);
-        (yyval.interm).intermAggregate = context->parseSingleDeclaration((yyval.interm).type, (yyvsp[(2) - (4)].lex).line, *(yyvsp[(2) - (4)].lex).string);
+        (yyval.interm).intermAggregate = context->parseSingleDeclaration((yyval.interm).type, (yylsp[(2) - (4)]), *(yyvsp[(2) - (4)].lex).string);
     }
     break;
 
@@ -3514,7 +3653,7 @@
 
     {
         (yyval.interm).type = (yyvsp[(1) - (5)].interm.type);
-        (yyval.interm).intermAggregate = context->parseSingleArrayDeclaration((yyval.interm).type, (yyvsp[(2) - (5)].lex).line, *(yyvsp[(2) - (5)].lex).string, (yyvsp[(3) - (5)].lex).line, (yyvsp[(4) - (5)].interm.intermTypedNode));
+        (yyval.interm).intermAggregate = context->parseSingleArrayDeclaration((yyval.interm).type, (yylsp[(2) - (5)]), *(yyvsp[(2) - (5)].lex).string, (yylsp[(3) - (5)]), (yyvsp[(4) - (5)].interm.intermTypedNode));
     }
     break;
 
@@ -3522,28 +3661,28 @@
 
     {
         (yyval.interm).type = (yyvsp[(1) - (4)].interm.type);
-        (yyval.interm).intermAggregate = context->parseSingleInitDeclaration((yyval.interm).type, (yyvsp[(2) - (4)].lex).line, *(yyvsp[(2) - (4)].lex).string, (yyvsp[(3) - (4)].lex).line, (yyvsp[(4) - (4)].interm.intermTypedNode));
+        (yyval.interm).intermAggregate = context->parseSingleInitDeclaration((yyval.interm).type, (yylsp[(2) - (4)]), *(yyvsp[(2) - (4)].lex).string, (yylsp[(3) - (4)]), (yyvsp[(4) - (4)].interm.intermTypedNode));
     }
     break;
 
   case 108:
 
     {
-        VERTEX_ONLY("invariant declaration", (yyvsp[(1) - (2)].lex).line);
-        if (context->globalErrorCheck((yyvsp[(1) - (2)].lex).line, context->symbolTable.atGlobalLevel(), "invariant varying"))
+        VERTEX_ONLY("invariant declaration", (yylsp[(1) - (2)]));
+        if (context->globalErrorCheck((yylsp[(1) - (2)]), context->symbolTable.atGlobalLevel(), "invariant varying"))
             context->recover();
-        (yyval.interm).type.setBasic(EbtInvariant, EvqInvariantVaryingOut, (yyvsp[(2) - (2)].lex).line);
+        (yyval.interm).type.setBasic(EbtInvariant, EvqInvariantVaryingOut, (yylsp[(2) - (2)]));
         if (!(yyvsp[(2) - (2)].lex).symbol)
         {
-            context->error((yyvsp[(2) - (2)].lex).line, "undeclared identifier declared as invariant", (yyvsp[(2) - (2)].lex).string->c_str());
+            context->error((yylsp[(2) - (2)]), "undeclared identifier declared as invariant", (yyvsp[(2) - (2)].lex).string->c_str());
             context->recover();
             
             (yyval.interm).intermAggregate = 0;
         }
         else
         {
-            TIntermSymbol *symbol = context->intermediate.addSymbol(0, *(yyvsp[(2) - (2)].lex).string, TType((yyval.interm).type), (yyvsp[(2) - (2)].lex).line);
-            (yyval.interm).intermAggregate = context->intermediate.makeAggregate(symbol, (yyvsp[(2) - (2)].lex).line);
+            TIntermSymbol *symbol = context->intermediate.addSymbol(0, *(yyvsp[(2) - (2)].lex).string, TType((yyval.interm).type), (yylsp[(2) - (2)]));
+            (yyval.interm).intermAggregate = context->intermediate.makeAggregate(symbol, (yylsp[(2) - (2)]));
         }
     }
     break;
@@ -3554,7 +3693,7 @@
         (yyval.interm.type) = (yyvsp[(1) - (1)].interm.type);
 
         if ((yyvsp[(1) - (1)].interm.type).array) {
-            context->error((yyvsp[(1) - (1)].interm.type).line, "not supported", "first-class array");
+            context->error((yylsp[(1) - (1)]), "not supported", "first-class array");
             context->recover();
             (yyvsp[(1) - (1)].interm.type).setArray(false);
         }
@@ -3572,7 +3711,6 @@
 
     {
         (yyval.interm.type).qualifier = EvqSmooth;
-        (yyval.interm.type).line = (yyvsp[(1) - (1)].lex).line;
     }
     break;
 
@@ -3580,7 +3718,6 @@
 
     {
         (yyval.interm.type).qualifier = EvqFlat;
-        (yyval.interm.type).line = (yyvsp[(1) - (1)].lex).line;
     }
     break;
 
@@ -3594,44 +3731,44 @@
   case 114:
 
     {
-        VERTEX_ONLY("attribute", (yyvsp[(1) - (1)].lex).line);
-        ES2_ONLY("attribute", (yyvsp[(1) - (1)].lex).line);
-        if (context->globalErrorCheck((yyvsp[(1) - (1)].lex).line, context->symbolTable.atGlobalLevel(), "attribute"))
+        VERTEX_ONLY("attribute", (yylsp[(1) - (1)]));
+        ES2_ONLY("attribute", (yylsp[(1) - (1)]));
+        if (context->globalErrorCheck((yylsp[(1) - (1)]), context->symbolTable.atGlobalLevel(), "attribute"))
             context->recover();
-        (yyval.interm.type).setBasic(EbtVoid, EvqAttribute, (yyvsp[(1) - (1)].lex).line);
+        (yyval.interm.type).setBasic(EbtVoid, EvqAttribute, (yylsp[(1) - (1)]));
     }
     break;
 
   case 115:
 
     {
-        ES2_ONLY("varying", (yyvsp[(1) - (1)].lex).line);
-        if (context->globalErrorCheck((yyvsp[(1) - (1)].lex).line, context->symbolTable.atGlobalLevel(), "varying"))
+        ES2_ONLY("varying", (yylsp[(1) - (1)]));
+        if (context->globalErrorCheck((yylsp[(1) - (1)]), context->symbolTable.atGlobalLevel(), "varying"))
             context->recover();
         if (context->shaderType == SH_VERTEX_SHADER)
-            (yyval.interm.type).setBasic(EbtVoid, EvqVaryingOut, (yyvsp[(1) - (1)].lex).line);
+            (yyval.interm.type).setBasic(EbtVoid, EvqVaryingOut, (yylsp[(1) - (1)]));
         else
-            (yyval.interm.type).setBasic(EbtVoid, EvqVaryingIn, (yyvsp[(1) - (1)].lex).line);
+            (yyval.interm.type).setBasic(EbtVoid, EvqVaryingIn, (yylsp[(1) - (1)]));
     }
     break;
 
   case 116:
 
     {
-        ES2_ONLY("varying", (yyvsp[(1) - (2)].lex).line);
-        if (context->globalErrorCheck((yyvsp[(1) - (2)].lex).line, context->symbolTable.atGlobalLevel(), "invariant varying"))
+        ES2_ONLY("varying", (yylsp[(1) - (2)]));
+        if (context->globalErrorCheck((yylsp[(1) - (2)]), context->symbolTable.atGlobalLevel(), "invariant varying"))
             context->recover();
         if (context->shaderType == SH_VERTEX_SHADER)
-            (yyval.interm.type).setBasic(EbtVoid, EvqInvariantVaryingOut, (yyvsp[(1) - (2)].lex).line);
+            (yyval.interm.type).setBasic(EbtVoid, EvqInvariantVaryingOut, (yylsp[(1) - (2)]));
         else
-            (yyval.interm.type).setBasic(EbtVoid, EvqInvariantVaryingIn, (yyvsp[(1) - (2)].lex).line);
+            (yyval.interm.type).setBasic(EbtVoid, EvqInvariantVaryingIn, (yylsp[(1) - (2)]));
     }
     break;
 
   case 117:
 
     {
-        (yyval.interm.type).setBasic(EbtVoid, (yyvsp[(1) - (1)].interm.type).qualifier, (yyvsp[(1) - (1)].interm.type).line);
+        (yyval.interm.type).setBasic(EbtVoid, (yyvsp[(1) - (1)].interm.type).qualifier, (yylsp[(1) - (1)]));
     }
     break;
 
@@ -3640,37 +3777,37 @@
     {
         if ((yyvsp[(2) - (2)].interm.type).qualifier == EvqSmoothIn) {
             if ((yyvsp[(1) - (2)].interm.type).qualifier == EvqSmooth)
-                (yyval.interm.type).setBasic(EbtVoid, EvqSmoothIn, (yyvsp[(2) - (2)].interm.type).line);
+                (yyval.interm.type).setBasic(EbtVoid, EvqSmoothIn, (yylsp[(2) - (2)]));
             else if ((yyvsp[(1) - (2)].interm.type).qualifier == EvqFlat)
-                (yyval.interm.type).setBasic(EbtVoid, EvqFlatIn, (yyvsp[(2) - (2)].interm.type).line);
+                (yyval.interm.type).setBasic(EbtVoid, EvqFlatIn, (yylsp[(2) - (2)]));
             else UNREACHABLE();
         }
         else if ((yyvsp[(2) - (2)].interm.type).qualifier == EvqCentroidIn) {
             if ((yyvsp[(1) - (2)].interm.type).qualifier == EvqSmooth)
-                (yyval.interm.type).setBasic(EbtVoid, EvqCentroidIn, (yyvsp[(2) - (2)].interm.type).line);
+                (yyval.interm.type).setBasic(EbtVoid, EvqCentroidIn, (yylsp[(2) - (2)]));
             else if ((yyvsp[(1) - (2)].interm.type).qualifier == EvqFlat)
-                (yyval.interm.type).setBasic(EbtVoid, EvqFlatIn, (yyvsp[(2) - (2)].interm.type).line);
+                (yyval.interm.type).setBasic(EbtVoid, EvqFlatIn, (yylsp[(2) - (2)]));
             else UNREACHABLE();
         }
         else if ((yyvsp[(2) - (2)].interm.type).qualifier == EvqSmoothOut) {
             if ((yyvsp[(1) - (2)].interm.type).qualifier == EvqSmooth)
-                (yyval.interm.type).setBasic(EbtVoid, EvqSmoothOut, (yyvsp[(2) - (2)].interm.type).line);
+                (yyval.interm.type).setBasic(EbtVoid, EvqSmoothOut, (yylsp[(2) - (2)]));
             else if ((yyvsp[(1) - (2)].interm.type).qualifier == EvqFlat)
-                (yyval.interm.type).setBasic(EbtVoid, EvqFlatOut, (yyvsp[(2) - (2)].interm.type).line);
+                (yyval.interm.type).setBasic(EbtVoid, EvqFlatOut, (yylsp[(2) - (2)]));
             else UNREACHABLE();
         }
         else if ((yyvsp[(2) - (2)].interm.type).qualifier == EvqCentroidOut) {
             if ((yyvsp[(1) - (2)].interm.type).qualifier == EvqSmooth)
-                (yyval.interm.type).setBasic(EbtVoid, EvqCentroidOut, (yyvsp[(2) - (2)].interm.type).line);
+                (yyval.interm.type).setBasic(EbtVoid, EvqCentroidOut, (yylsp[(2) - (2)]));
             else if ((yyvsp[(1) - (2)].interm.type).qualifier == EvqFlat)
-                (yyval.interm.type).setBasic(EbtVoid, EvqFlatOut, (yyvsp[(2) - (2)].interm.type).line);
+                (yyval.interm.type).setBasic(EbtVoid, EvqFlatOut, (yylsp[(2) - (2)]));
             else UNREACHABLE();
         }
         else {
-            context->error((yyvsp[(1) - (2)].interm.type).line, "interpolation qualifier requires a fragment 'in' or vertex 'out' storage qualifier", getInterpolationString((yyvsp[(1) - (2)].interm.type).qualifier));
+            context->error((yylsp[(1) - (2)]), "interpolation qualifier requires a fragment 'in' or vertex 'out' storage qualifier", getInterpolationString((yyvsp[(1) - (2)].interm.type).qualifier));
             context->recover();
 
-            (yyval.interm.type).setBasic(EbtVoid, (yyvsp[(2) - (2)].interm.type).qualifier, (yyvsp[(2) - (2)].interm.type).line);
+            (yyval.interm.type).setBasic(EbtVoid, (yyvsp[(2) - (2)].interm.type).qualifier, (yylsp[(2) - (2)]));
         }
     }
     break;
@@ -3678,11 +3815,11 @@
   case 119:
 
     {
-        context->error((yyvsp[(1) - (1)].interm.type).line, "interpolation qualifier requires a fragment 'in' or vertex 'out' storage qualifier", getInterpolationString((yyvsp[(1) - (1)].interm.type).qualifier));
+        context->error((yylsp[(1) - (1)]), "interpolation qualifier requires a fragment 'in' or vertex 'out' storage qualifier", getInterpolationString((yyvsp[(1) - (1)].interm.type).qualifier));
         context->recover();
         
         TQualifier qual = context->symbolTable.atGlobalLevel() ? EvqGlobal : EvqTemporary;
-        (yyval.interm.type).setBasic(EbtVoid, qual, (yyvsp[(1) - (1)].interm.type).line);
+        (yyval.interm.type).setBasic(EbtVoid, qual, (yylsp[(1) - (1)]));
     }
     break;
 
@@ -3697,7 +3834,7 @@
   case 121:
 
     {
-        (yyval.interm.type).setBasic(EbtVoid, (yyvsp[(2) - (2)].interm.type).qualifier, (yyvsp[(2) - (2)].interm.type).line);
+        (yyval.interm.type).setBasic(EbtVoid, (yyvsp[(2) - (2)].interm.type).qualifier, (yylsp[(2) - (2)]));
         (yyval.interm.type).layoutQualifier = (yyvsp[(1) - (2)].interm.layoutQualifier);
     }
     break;
@@ -3706,63 +3843,57 @@
 
     {
         (yyval.interm.type).qualifier = EvqConst;
-        (yyval.interm.type).line = (yyvsp[(1) - (1)].lex).line;
     }
     break;
 
   case 123:
 
     {
-        ES3_ONLY("in", (yyvsp[(1) - (1)].lex).line, "storage qualifier");
+        ES3_ONLY("in", (yylsp[(1) - (1)]), "storage qualifier");
         (yyval.interm.type).qualifier = (context->shaderType == SH_FRAGMENT_SHADER) ? EvqSmoothIn : EvqVertexInput;
-        (yyval.interm.type).line = (yyvsp[(1) - (1)].lex).line;
     }
     break;
 
   case 124:
 
     {
-        ES3_ONLY("out", (yyvsp[(1) - (1)].lex).line, "storage qualifier");
+        ES3_ONLY("out", (yylsp[(1) - (1)]), "storage qualifier");
         (yyval.interm.type).qualifier = (context->shaderType == SH_FRAGMENT_SHADER) ? EvqFragmentOutput : EvqSmoothOut;
-        (yyval.interm.type).line = (yyvsp[(1) - (1)].lex).line;
     }
     break;
 
   case 125:
 
     {
-        ES3_ONLY("centroid in", (yyvsp[(1) - (2)].lex).line, "storage qualifier");
+        ES3_ONLY("centroid in", (yylsp[(1) - (2)]), "storage qualifier");
         if (context->shaderType == SH_VERTEX_SHADER)
         {
-            context->error((yyvsp[(1) - (2)].lex).line, "invalid storage qualifier", "it is an error to use 'centroid in' in the vertex shader");
+            context->error((yylsp[(1) - (2)]), "invalid storage qualifier", "it is an error to use 'centroid in' in the vertex shader");
             context->recover();
         }
         (yyval.interm.type).qualifier = (context->shaderType == SH_FRAGMENT_SHADER) ? EvqCentroidIn : EvqVertexInput;
-        (yyval.interm.type).line = (yyvsp[(1) - (2)].lex).line;
     }
     break;
 
   case 126:
 
     {
-        ES3_ONLY("centroid out", (yyvsp[(1) - (2)].lex).line, "storage qualifier");
+        ES3_ONLY("centroid out", (yylsp[(1) - (2)]), "storage qualifier");
         if (context->shaderType == SH_FRAGMENT_SHADER)
         {
-            context->error((yyvsp[(1) - (2)].lex).line, "invalid storage qualifier", "it is an error to use 'centroid out' in the fragment shader");
+            context->error((yylsp[(1) - (2)]), "invalid storage qualifier", "it is an error to use 'centroid out' in the fragment shader");
             context->recover();
         }
         (yyval.interm.type).qualifier = (context->shaderType == SH_FRAGMENT_SHADER) ? EvqFragmentOutput : EvqCentroidOut;
-        (yyval.interm.type).line = (yyvsp[(1) - (2)].lex).line;
     }
     break;
 
   case 127:
 
     {
-        if (context->globalErrorCheck((yyvsp[(1) - (1)].lex).line, context->symbolTable.atGlobalLevel(), "uniform"))
+        if (context->globalErrorCheck((yylsp[(1) - (1)]), context->symbolTable.atGlobalLevel(), "uniform"))
             context->recover();
         (yyval.interm.type).qualifier = EvqUniform;
-        (yyval.interm.type).line = (yyvsp[(1) - (1)].lex).line;
     }
     break;
 
@@ -3773,7 +3904,7 @@
 
         if ((yyval.interm.type).precision == EbpUndefined) {
             (yyval.interm.type).precision = context->symbolTable.getDefaultPrecision((yyvsp[(1) - (1)].interm.type).type);
-            if (context->precisionErrorCheck((yyvsp[(1) - (1)].interm.type).line, (yyval.interm.type).precision, (yyvsp[(1) - (1)].interm.type).type)) {
+            if (context->precisionErrorCheck((yylsp[(1) - (1)]), (yyval.interm.type).precision, (yyvsp[(1) - (1)].interm.type).type)) {
                 context->recover();
             }
         }
@@ -3812,7 +3943,7 @@
   case 133:
 
     {
-        ES3_ONLY("layout", (yyvsp[(1) - (4)].lex).line, "qualifier");
+        ES3_ONLY("layout", (yylsp[(1) - (4)]), "qualifier");
         (yyval.interm.layoutQualifier) = (yyvsp[(3) - (4)].interm.layoutQualifier);
     }
     break;
@@ -3834,21 +3965,21 @@
   case 136:
 
     {
-        (yyval.interm.layoutQualifier) = context->parseLayoutQualifier(*(yyvsp[(1) - (1)].lex).string, (yyvsp[(1) - (1)].lex).line);
+        (yyval.interm.layoutQualifier) = context->parseLayoutQualifier(*(yyvsp[(1) - (1)].lex).string, (yylsp[(1) - (1)]));
     }
     break;
 
   case 137:
 
     {
-        (yyval.interm.layoutQualifier) = context->parseLayoutQualifier(*(yyvsp[(1) - (3)].lex).string, (yyvsp[(1) - (3)].lex).line, *(yyvsp[(3) - (3)].lex).string, (yyvsp[(3) - (3)].lex).i, (yyvsp[(3) - (3)].lex).line);
+        (yyval.interm.layoutQualifier) = context->parseLayoutQualifier(*(yyvsp[(1) - (3)].lex).string, (yylsp[(1) - (3)]), *(yyvsp[(3) - (3)].lex).string, (yyvsp[(3) - (3)].lex).i, (yylsp[(3) - (3)]));
     }
     break;
 
   case 138:
 
     {
-        (yyval.interm.layoutQualifier) = context->parseLayoutQualifier(*(yyvsp[(1) - (3)].lex).string, (yyvsp[(1) - (3)].lex).line, *(yyvsp[(3) - (3)].lex).string, (yyvsp[(3) - (3)].lex).i, (yyvsp[(3) - (3)].lex).line);
+        (yyval.interm.layoutQualifier) = context->parseLayoutQualifier(*(yyvsp[(1) - (3)].lex).string, (yylsp[(1) - (3)]), *(yyvsp[(3) - (3)].lex).string, (yyvsp[(3) - (3)].lex).i, (yylsp[(3) - (3)]));
     }
     break;
 
@@ -3864,11 +3995,11 @@
     {
         (yyval.interm.type) = (yyvsp[(1) - (4)].interm.type);
 
-        if (context->arrayTypeErrorCheck((yyvsp[(2) - (4)].lex).line, (yyvsp[(1) - (4)].interm.type)))
+        if (context->arrayTypeErrorCheck((yylsp[(2) - (4)]), (yyvsp[(1) - (4)].interm.type)))
             context->recover();
         else {
             int size;
-            if (context->arraySizeErrorCheck((yyvsp[(2) - (4)].lex).line, (yyvsp[(3) - (4)].interm.intermTypedNode), size))
+            if (context->arraySizeErrorCheck((yylsp[(2) - (4)]), (yyvsp[(3) - (4)].interm.intermTypedNode), size))
                 context->recover();
             (yyval.interm.type).setArray(true, size);
         }
@@ -3879,7 +4010,7 @@
 
     {
         TQualifier qual = context->symbolTable.atGlobalLevel() ? EvqGlobal : EvqTemporary;
-        (yyval.interm.type).setBasic(EbtVoid, qual, (yyvsp[(1) - (1)].lex).line);
+        (yyval.interm.type).setBasic(EbtVoid, qual, (yylsp[(1) - (1)]));
     }
     break;
 
@@ -3887,7 +4018,7 @@
 
     {
         TQualifier qual = context->symbolTable.atGlobalLevel() ? EvqGlobal : EvqTemporary;
-        (yyval.interm.type).setBasic(EbtFloat, qual, (yyvsp[(1) - (1)].lex).line);
+        (yyval.interm.type).setBasic(EbtFloat, qual, (yylsp[(1) - (1)]));
     }
     break;
 
@@ -3895,7 +4026,7 @@
 
     {
         TQualifier qual = context->symbolTable.atGlobalLevel() ? EvqGlobal : EvqTemporary;
-        (yyval.interm.type).setBasic(EbtInt, qual, (yyvsp[(1) - (1)].lex).line);
+        (yyval.interm.type).setBasic(EbtInt, qual, (yylsp[(1) - (1)]));
     }
     break;
 
@@ -3903,7 +4034,7 @@
 
     {
         TQualifier qual = context->symbolTable.atGlobalLevel() ? EvqGlobal : EvqTemporary;
-        (yyval.interm.type).setBasic(EbtUInt, qual, (yyvsp[(1) - (1)].lex).line);
+        (yyval.interm.type).setBasic(EbtUInt, qual, (yylsp[(1) - (1)]));
     }
     break;
 
@@ -3911,7 +4042,7 @@
 
     {
         TQualifier qual = context->symbolTable.atGlobalLevel() ? EvqGlobal : EvqTemporary;
-        (yyval.interm.type).setBasic(EbtBool, qual, (yyvsp[(1) - (1)].lex).line);
+        (yyval.interm.type).setBasic(EbtBool, qual, (yylsp[(1) - (1)]));
     }
     break;
 
@@ -3919,7 +4050,7 @@
 
     {
         TQualifier qual = context->symbolTable.atGlobalLevel() ? EvqGlobal : EvqTemporary;
-        (yyval.interm.type).setBasic(EbtFloat, qual, (yyvsp[(1) - (1)].lex).line);
+        (yyval.interm.type).setBasic(EbtFloat, qual, (yylsp[(1) - (1)]));
         (yyval.interm.type).setAggregate(2);
     }
     break;
@@ -3928,7 +4059,7 @@
 
     {
         TQualifier qual = context->symbolTable.atGlobalLevel() ? EvqGlobal : EvqTemporary;
-        (yyval.interm.type).setBasic(EbtFloat, qual, (yyvsp[(1) - (1)].lex).line);
+        (yyval.interm.type).setBasic(EbtFloat, qual, (yylsp[(1) - (1)]));
         (yyval.interm.type).setAggregate(3);
     }
     break;
@@ -3937,7 +4068,7 @@
 
     {
         TQualifier qual = context->symbolTable.atGlobalLevel() ? EvqGlobal : EvqTemporary;
-        (yyval.interm.type).setBasic(EbtFloat, qual, (yyvsp[(1) - (1)].lex).line);
+        (yyval.interm.type).setBasic(EbtFloat, qual, (yylsp[(1) - (1)]));
         (yyval.interm.type).setAggregate(4);
     }
     break;
@@ -3946,7 +4077,7 @@
 
     {
         TQualifier qual = context->symbolTable.atGlobalLevel() ? EvqGlobal : EvqTemporary;
-        (yyval.interm.type).setBasic(EbtBool, qual, (yyvsp[(1) - (1)].lex).line);
+        (yyval.interm.type).setBasic(EbtBool, qual, (yylsp[(1) - (1)]));
         (yyval.interm.type).setAggregate(2);
     }
     break;
@@ -3955,7 +4086,7 @@
 
     {
         TQualifier qual = context->symbolTable.atGlobalLevel() ? EvqGlobal : EvqTemporary;
-        (yyval.interm.type).setBasic(EbtBool, qual, (yyvsp[(1) - (1)].lex).line);
+        (yyval.interm.type).setBasic(EbtBool, qual, (yylsp[(1) - (1)]));
         (yyval.interm.type).setAggregate(3);
     }
     break;
@@ -3964,7 +4095,7 @@
 
     {
         TQualifier qual = context->symbolTable.atGlobalLevel() ? EvqGlobal : EvqTemporary;
-        (yyval.interm.type).setBasic(EbtBool, qual, (yyvsp[(1) - (1)].lex).line);
+        (yyval.interm.type).setBasic(EbtBool, qual, (yylsp[(1) - (1)]));
         (yyval.interm.type).setAggregate(4);
     }
     break;
@@ -3973,7 +4104,7 @@
 
     {
         TQualifier qual = context->symbolTable.atGlobalLevel() ? EvqGlobal : EvqTemporary;
-        (yyval.interm.type).setBasic(EbtInt, qual, (yyvsp[(1) - (1)].lex).line);
+        (yyval.interm.type).setBasic(EbtInt, qual, (yylsp[(1) - (1)]));
         (yyval.interm.type).setAggregate(2);
     }
     break;
@@ -3982,7 +4113,7 @@
 
     {
         TQualifier qual = context->symbolTable.atGlobalLevel() ? EvqGlobal : EvqTemporary;
-        (yyval.interm.type).setBasic(EbtInt, qual, (yyvsp[(1) - (1)].lex).line);
+        (yyval.interm.type).setBasic(EbtInt, qual, (yylsp[(1) - (1)]));
         (yyval.interm.type).setAggregate(3);
     }
     break;
@@ -3991,7 +4122,7 @@
 
     {
         TQualifier qual = context->symbolTable.atGlobalLevel() ? EvqGlobal : EvqTemporary;
-        (yyval.interm.type).setBasic(EbtInt, qual, (yyvsp[(1) - (1)].lex).line);
+        (yyval.interm.type).setBasic(EbtInt, qual, (yylsp[(1) - (1)]));
         (yyval.interm.type).setAggregate(4);
     }
     break;
@@ -4000,7 +4131,7 @@
 
     {
         TQualifier qual = context->symbolTable.atGlobalLevel() ? EvqGlobal : EvqTemporary;
-        (yyval.interm.type).setBasic(EbtUInt, qual, (yyvsp[(1) - (1)].lex).line);
+        (yyval.interm.type).setBasic(EbtUInt, qual, (yylsp[(1) - (1)]));
         (yyval.interm.type).setAggregate(2);
     }
     break;
@@ -4009,7 +4140,7 @@
 
     {
         TQualifier qual = context->symbolTable.atGlobalLevel() ? EvqGlobal : EvqTemporary;
-        (yyval.interm.type).setBasic(EbtUInt, qual, (yyvsp[(1) - (1)].lex).line);
+        (yyval.interm.type).setBasic(EbtUInt, qual, (yylsp[(1) - (1)]));
         (yyval.interm.type).setAggregate(3);
     }
     break;
@@ -4018,7 +4149,7 @@
 
     {
         TQualifier qual = context->symbolTable.atGlobalLevel() ? EvqGlobal : EvqTemporary;
-        (yyval.interm.type).setBasic(EbtUInt, qual, (yyvsp[(1) - (1)].lex).line);
+        (yyval.interm.type).setBasic(EbtUInt, qual, (yylsp[(1) - (1)]));
         (yyval.interm.type).setAggregate(4);
     }
     break;
@@ -4026,9 +4157,9 @@
   case 158:
 
     {
-        FRAG_VERT_ONLY("mat2", (yyvsp[(1) - (1)].lex).line);
+        FRAG_VERT_ONLY("mat2", (yylsp[(1) - (1)]));
         TQualifier qual = context->symbolTable.atGlobalLevel() ? EvqGlobal : EvqTemporary;
-        (yyval.interm.type).setBasic(EbtFloat, qual, (yyvsp[(1) - (1)].lex).line);
+        (yyval.interm.type).setBasic(EbtFloat, qual, (yylsp[(1) - (1)]));
         (yyval.interm.type).setMatrix(2, 2);
     }
     break;
@@ -4036,9 +4167,9 @@
   case 159:
 
     {
-        FRAG_VERT_ONLY("mat3", (yyvsp[(1) - (1)].lex).line);
+        FRAG_VERT_ONLY("mat3", (yylsp[(1) - (1)]));
         TQualifier qual = context->symbolTable.atGlobalLevel() ? EvqGlobal : EvqTemporary;
-        (yyval.interm.type).setBasic(EbtFloat, qual, (yyvsp[(1) - (1)].lex).line);
+        (yyval.interm.type).setBasic(EbtFloat, qual, (yylsp[(1) - (1)]));
         (yyval.interm.type).setMatrix(3, 3);
     }
     break;
@@ -4046,9 +4177,9 @@
   case 160:
 
     {
-        FRAG_VERT_ONLY("mat4", (yyvsp[(1) - (1)].lex).line);
+        FRAG_VERT_ONLY("mat4", (yylsp[(1) - (1)]));
         TQualifier qual = context->symbolTable.atGlobalLevel() ? EvqGlobal : EvqTemporary;
-        (yyval.interm.type).setBasic(EbtFloat, qual, (yyvsp[(1) - (1)].lex).line);
+        (yyval.interm.type).setBasic(EbtFloat, qual, (yylsp[(1) - (1)]));
         (yyval.interm.type).setMatrix(4, 4);
     }
     break;
@@ -4057,7 +4188,7 @@
 
     {
         TQualifier qual = context->symbolTable.atGlobalLevel() ? EvqGlobal : EvqTemporary;
-        (yyval.interm.type).setBasic(EbtFloat, qual, (yyvsp[(1) - (1)].lex).line);
+        (yyval.interm.type).setBasic(EbtFloat, qual, (yylsp[(1) - (1)]));
         (yyval.interm.type).setMatrix(2, 3);
     }
     break;
@@ -4066,7 +4197,7 @@
 
     {
         TQualifier qual = context->symbolTable.atGlobalLevel() ? EvqGlobal : EvqTemporary;
-        (yyval.interm.type).setBasic(EbtFloat, qual, (yyvsp[(1) - (1)].lex).line);
+        (yyval.interm.type).setBasic(EbtFloat, qual, (yylsp[(1) - (1)]));
         (yyval.interm.type).setMatrix(3, 2);
     }
     break;
@@ -4075,7 +4206,7 @@
 
     {
         TQualifier qual = context->symbolTable.atGlobalLevel() ? EvqGlobal : EvqTemporary;
-        (yyval.interm.type).setBasic(EbtFloat, qual, (yyvsp[(1) - (1)].lex).line);
+        (yyval.interm.type).setBasic(EbtFloat, qual, (yylsp[(1) - (1)]));
         (yyval.interm.type).setMatrix(2, 4);
     }
     break;
@@ -4084,7 +4215,7 @@
 
     {
         TQualifier qual = context->symbolTable.atGlobalLevel() ? EvqGlobal : EvqTemporary;
-        (yyval.interm.type).setBasic(EbtFloat, qual, (yyvsp[(1) - (1)].lex).line);
+        (yyval.interm.type).setBasic(EbtFloat, qual, (yylsp[(1) - (1)]));
         (yyval.interm.type).setMatrix(4, 2);
     }
     break;
@@ -4093,7 +4224,7 @@
 
     {
         TQualifier qual = context->symbolTable.atGlobalLevel() ? EvqGlobal : EvqTemporary;
-        (yyval.interm.type).setBasic(EbtFloat, qual, (yyvsp[(1) - (1)].lex).line);
+        (yyval.interm.type).setBasic(EbtFloat, qual, (yylsp[(1) - (1)]));
         (yyval.interm.type).setMatrix(3, 4);
     }
     break;
@@ -4102,7 +4233,7 @@
 
     {
         TQualifier qual = context->symbolTable.atGlobalLevel() ? EvqGlobal : EvqTemporary;
-        (yyval.interm.type).setBasic(EbtFloat, qual, (yyvsp[(1) - (1)].lex).line);
+        (yyval.interm.type).setBasic(EbtFloat, qual, (yylsp[(1) - (1)]));
         (yyval.interm.type).setMatrix(4, 3);
     }
     break;
@@ -4110,9 +4241,9 @@
   case 167:
 
     {
-        FRAG_VERT_ONLY("sampler2D", (yyvsp[(1) - (1)].lex).line);
+        FRAG_VERT_ONLY("sampler2D", (yylsp[(1) - (1)]));
         TQualifier qual = context->symbolTable.atGlobalLevel() ? EvqGlobal : EvqTemporary;
-        (yyval.interm.type).setBasic(EbtSampler2D, qual, (yyvsp[(1) - (1)].lex).line);
+        (yyval.interm.type).setBasic(EbtSampler2D, qual, (yylsp[(1) - (1)]));
     }
     break;
 
@@ -4120,16 +4251,16 @@
 
     {
         TQualifier qual = context->symbolTable.atGlobalLevel() ? EvqGlobal : EvqTemporary;
-        (yyval.interm.type).setBasic(EbtSampler3D, qual, (yyvsp[(1) - (1)].lex).line);
+        (yyval.interm.type).setBasic(EbtSampler3D, qual, (yylsp[(1) - (1)]));
     }
     break;
 
   case 169:
 
     {
-        FRAG_VERT_ONLY("samplerCube", (yyvsp[(1) - (1)].lex).line);
+        FRAG_VERT_ONLY("samplerCube", (yylsp[(1) - (1)]));
         TQualifier qual = context->symbolTable.atGlobalLevel() ? EvqGlobal : EvqTemporary;
-        (yyval.interm.type).setBasic(EbtSamplerCube, qual, (yyvsp[(1) - (1)].lex).line);
+        (yyval.interm.type).setBasic(EbtSamplerCube, qual, (yylsp[(1) - (1)]));
     }
     break;
 
@@ -4137,7 +4268,7 @@
 
     {
         TQualifier qual = context->symbolTable.atGlobalLevel() ? EvqGlobal : EvqTemporary;
-        (yyval.interm.type).setBasic(EbtSampler2DArray, qual, (yyvsp[(1) - (1)].lex).line);
+        (yyval.interm.type).setBasic(EbtSampler2DArray, qual, (yylsp[(1) - (1)]));
     }
     break;
 
@@ -4145,7 +4276,7 @@
 
     {
         TQualifier qual = context->symbolTable.atGlobalLevel() ? EvqGlobal : EvqTemporary;
-        (yyval.interm.type).setBasic(EbtISampler2D, qual, (yyvsp[(1) - (1)].lex).line);
+        (yyval.interm.type).setBasic(EbtISampler2D, qual, (yylsp[(1) - (1)]));
     }
     break;
 
@@ -4153,7 +4284,7 @@
 
     {
         TQualifier qual = context->symbolTable.atGlobalLevel() ? EvqGlobal : EvqTemporary;
-        (yyval.interm.type).setBasic(EbtISampler3D, qual, (yyvsp[(1) - (1)].lex).line);
+        (yyval.interm.type).setBasic(EbtISampler3D, qual, (yylsp[(1) - (1)]));
     }
     break;
 
@@ -4161,7 +4292,7 @@
 
     {
         TQualifier qual = context->symbolTable.atGlobalLevel() ? EvqGlobal : EvqTemporary;
-        (yyval.interm.type).setBasic(EbtISamplerCube, qual, (yyvsp[(1) - (1)].lex).line);
+        (yyval.interm.type).setBasic(EbtISamplerCube, qual, (yylsp[(1) - (1)]));
     }
     break;
 
@@ -4169,7 +4300,7 @@
 
     {
         TQualifier qual = context->symbolTable.atGlobalLevel() ? EvqGlobal : EvqTemporary;
-        (yyval.interm.type).setBasic(EbtISampler2DArray, qual, (yyvsp[(1) - (1)].lex).line);
+        (yyval.interm.type).setBasic(EbtISampler2DArray, qual, (yylsp[(1) - (1)]));
     }
     break;
 
@@ -4177,7 +4308,7 @@
 
     {
         TQualifier qual = context->symbolTable.atGlobalLevel() ? EvqGlobal : EvqTemporary;
-        (yyval.interm.type).setBasic(EbtUSampler2D, qual, (yyvsp[(1) - (1)].lex).line);
+        (yyval.interm.type).setBasic(EbtUSampler2D, qual, (yylsp[(1) - (1)]));
     }
     break;
 
@@ -4185,7 +4316,7 @@
 
     {
         TQualifier qual = context->symbolTable.atGlobalLevel() ? EvqGlobal : EvqTemporary;
-        (yyval.interm.type).setBasic(EbtUSampler3D, qual, (yyvsp[(1) - (1)].lex).line);
+        (yyval.interm.type).setBasic(EbtUSampler3D, qual, (yylsp[(1) - (1)]));
     }
     break;
 
@@ -4193,7 +4324,7 @@
 
     {
         TQualifier qual = context->symbolTable.atGlobalLevel() ? EvqGlobal : EvqTemporary;
-        (yyval.interm.type).setBasic(EbtUSamplerCube, qual, (yyvsp[(1) - (1)].lex).line);
+        (yyval.interm.type).setBasic(EbtUSamplerCube, qual, (yylsp[(1) - (1)]));
     }
     break;
 
@@ -4201,7 +4332,7 @@
 
     {
         TQualifier qual = context->symbolTable.atGlobalLevel() ? EvqGlobal : EvqTemporary;
-        (yyval.interm.type).setBasic(EbtUSampler2DArray, qual, (yyvsp[(1) - (1)].lex).line);
+        (yyval.interm.type).setBasic(EbtUSampler2DArray, qual, (yylsp[(1) - (1)]));
     }
     break;
 
@@ -4209,12 +4340,12 @@
 
     {
         if (!context->supportsExtension("GL_OES_EGL_image_external")) {
-            context->error((yyvsp[(1) - (1)].lex).line, "unsupported type", "samplerExternalOES");
+            context->error((yylsp[(1) - (1)]), "unsupported type", "samplerExternalOES");
             context->recover();
         }
-        FRAG_VERT_ONLY("samplerExternalOES", (yyvsp[(1) - (1)].lex).line);
+        FRAG_VERT_ONLY("samplerExternalOES", (yylsp[(1) - (1)]));
         TQualifier qual = context->symbolTable.atGlobalLevel() ? EvqGlobal : EvqTemporary;
-        (yyval.interm.type).setBasic(EbtSamplerExternalOES, qual, (yyvsp[(1) - (1)].lex).line);
+        (yyval.interm.type).setBasic(EbtSamplerExternalOES, qual, (yylsp[(1) - (1)]));
     }
     break;
 
@@ -4222,19 +4353,19 @@
 
     {
         if (!context->supportsExtension("GL_ARB_texture_rectangle")) {
-            context->error((yyvsp[(1) - (1)].lex).line, "unsupported type", "sampler2DRect");
+            context->error((yylsp[(1) - (1)]), "unsupported type", "sampler2DRect");
             context->recover();
         }
-        FRAG_VERT_ONLY("sampler2DRect", (yyvsp[(1) - (1)].lex).line);
+        FRAG_VERT_ONLY("sampler2DRect", (yylsp[(1) - (1)]));
         TQualifier qual = context->symbolTable.atGlobalLevel() ? EvqGlobal : EvqTemporary;
-        (yyval.interm.type).setBasic(EbtSampler2DRect, qual, (yyvsp[(1) - (1)].lex).line);
+        (yyval.interm.type).setBasic(EbtSampler2DRect, qual, (yylsp[(1) - (1)]));
     }
     break;
 
   case 181:
 
     {
-        FRAG_VERT_ONLY("struct", (yyvsp[(1) - (1)].interm.type).line);
+        FRAG_VERT_ONLY("struct", (yylsp[(1) - (1)]));
         (yyval.interm.type) = (yyvsp[(1) - (1)].interm.type);
         (yyval.interm.type).qualifier = context->symbolTable.atGlobalLevel() ? EvqGlobal : EvqTemporary;
     }
@@ -4249,32 +4380,32 @@
         //
         TType& structure = static_cast<TVariable*>((yyvsp[(1) - (1)].lex).symbol)->getType();
         TQualifier qual = context->symbolTable.atGlobalLevel() ? EvqGlobal : EvqTemporary;
-        (yyval.interm.type).setBasic(EbtStruct, qual, (yyvsp[(1) - (1)].lex).line);
+        (yyval.interm.type).setBasic(EbtStruct, qual, (yylsp[(1) - (1)]));
         (yyval.interm.type).userDef = &structure;
     }
     break;
 
   case 183:
 
-    { if (context->enterStructDeclaration((yyvsp[(2) - (3)].lex).line, *(yyvsp[(2) - (3)].lex).string)) context->recover(); }
+    { if (context->enterStructDeclaration((yylsp[(2) - (3)]), *(yyvsp[(2) - (3)].lex).string)) context->recover(); }
     break;
 
   case 184:
 
     {
-        (yyval.interm.type) = context->addStructure((yyvsp[(1) - (6)].lex).line, (yyvsp[(2) - (6)].lex).line, *(yyvsp[(2) - (6)].lex).string, (yyvsp[(5) - (6)].interm.typeList));
+        (yyval.interm.type) = context->addStructure((yylsp[(1) - (6)]), (yylsp[(2) - (6)]), *(yyvsp[(2) - (6)].lex).string, (yyvsp[(5) - (6)].interm.typeList));
     }
     break;
 
   case 185:
 
-    { if (context->enterStructDeclaration((yyvsp[(2) - (2)].lex).line, *(yyvsp[(2) - (2)].lex).string)) context->recover(); }
+    { if (context->enterStructDeclaration((yylsp[(2) - (2)]), *(yyvsp[(2) - (2)].lex).string)) context->recover(); }
     break;
 
   case 186:
 
     {
-        (yyval.interm.type) = context->addStructure((yyvsp[(1) - (5)].lex).line, 0, "", (yyvsp[(4) - (5)].interm.typeList));
+        (yyval.interm.type) = context->addStructure((yylsp[(1) - (5)]), (yyloc), "", (yyvsp[(4) - (5)].interm.typeList));
     }
     break;
 
@@ -4336,11 +4467,10 @@
   case 193:
 
     {
-        if (context->reservedErrorCheck((yyvsp[(1) - (1)].lex).line, *(yyvsp[(1) - (1)].lex).string))
+        if (context->reservedErrorCheck((yylsp[(1) - (1)]), *(yyvsp[(1) - (1)].lex).string))
             context->recover();
 
         (yyval.interm.typeLine).type = new TType(EbtVoid, EbpUndefined);
-        (yyval.interm.typeLine).line = (yyvsp[(1) - (1)].lex).line;
         (yyval.interm.typeLine).type->setFieldName(*(yyvsp[(1) - (1)].lex).string);
     }
     break;
@@ -4348,15 +4478,14 @@
   case 194:
 
     {
-        if (context->reservedErrorCheck((yyvsp[(1) - (4)].lex).line, *(yyvsp[(1) - (4)].lex).string))
+        if (context->reservedErrorCheck((yylsp[(1) - (4)]), *(yyvsp[(1) - (4)].lex).string))
             context->recover();
 
         (yyval.interm.typeLine).type = new TType(EbtVoid, EbpUndefined);
-        (yyval.interm.typeLine).line = (yyvsp[(1) - (4)].lex).line;
         (yyval.interm.typeLine).type->setFieldName(*(yyvsp[(1) - (4)].lex).string);
 
         int size;
-        if (context->arraySizeErrorCheck((yyvsp[(2) - (4)].lex).line, (yyvsp[(3) - (4)].interm.intermTypedNode), size))
+        if (context->arraySizeErrorCheck((yylsp[(2) - (4)]), (yyvsp[(3) - (4)].interm.intermTypedNode), size))
             context->recover();
         (yyval.interm.typeLine).type->setArraySize(size);
     }
@@ -4427,7 +4556,7 @@
     {
         if ((yyvsp[(3) - (5)].interm.intermAggregate) != 0) {
             (yyvsp[(3) - (5)].interm.intermAggregate)->setOp(EOpSequence);
-            (yyvsp[(3) - (5)].interm.intermAggregate)->setEndLine((yyvsp[(5) - (5)].lex).line);
+            (yyvsp[(3) - (5)].interm.intermAggregate)->setLine((yyloc));
         }
         (yyval.interm.intermAggregate) = (yyvsp[(3) - (5)].interm.intermAggregate);
     }
@@ -4475,7 +4604,7 @@
     {
         if ((yyvsp[(2) - (3)].interm.intermAggregate)) {
             (yyvsp[(2) - (3)].interm.intermAggregate)->setOp(EOpSequence);
-            (yyvsp[(2) - (3)].interm.intermAggregate)->setEndLine((yyvsp[(3) - (3)].lex).line);
+            (yyvsp[(2) - (3)].interm.intermAggregate)->setLine((yyloc));
         }
         (yyval.interm.intermNode) = (yyvsp[(2) - (3)].interm.intermAggregate);
     }
@@ -4484,14 +4613,14 @@
   case 216:
 
     {
-        (yyval.interm.intermAggregate) = context->intermediate.makeAggregate((yyvsp[(1) - (1)].interm.intermNode), 0);
+        (yyval.interm.intermAggregate) = context->intermediate.makeAggregate((yyvsp[(1) - (1)].interm.intermNode), (yyloc));
     }
     break;
 
   case 217:
 
     {
-        (yyval.interm.intermAggregate) = context->intermediate.growAggregate((yyvsp[(1) - (2)].interm.intermAggregate), (yyvsp[(2) - (2)].interm.intermNode), 0);
+        (yyval.interm.intermAggregate) = context->intermediate.growAggregate((yyvsp[(1) - (2)].interm.intermAggregate), (yyvsp[(2) - (2)].interm.intermNode), (yyloc));
     }
     break;
 
@@ -4508,9 +4637,9 @@
   case 220:
 
     {
-        if (context->boolErrorCheck((yyvsp[(1) - (5)].lex).line, (yyvsp[(3) - (5)].interm.intermTypedNode)))
+        if (context->boolErrorCheck((yylsp[(1) - (5)]), (yyvsp[(3) - (5)].interm.intermTypedNode)))
             context->recover();
-        (yyval.interm.intermNode) = context->intermediate.addSelection((yyvsp[(3) - (5)].interm.intermTypedNode), (yyvsp[(5) - (5)].interm.nodePair), (yyvsp[(1) - (5)].lex).line);
+        (yyval.interm.intermNode) = context->intermediate.addSelection((yyvsp[(3) - (5)].interm.intermTypedNode), (yyvsp[(5) - (5)].interm.nodePair), (yylsp[(1) - (5)]));
     }
     break;
 
@@ -4543,12 +4672,12 @@
 
     {
         TIntermNode* intermNode;
-        if (context->structQualifierErrorCheck((yyvsp[(2) - (4)].lex).line, (yyvsp[(1) - (4)].interm.type)))
+        if (context->structQualifierErrorCheck((yylsp[(2) - (4)]), (yyvsp[(1) - (4)].interm.type)))
             context->recover();
-        if (context->boolErrorCheck((yyvsp[(2) - (4)].lex).line, (yyvsp[(1) - (4)].interm.type)))
+        if (context->boolErrorCheck((yylsp[(2) - (4)]), (yyvsp[(1) - (4)].interm.type)))
             context->recover();
 
-        if (!context->executeInitializer((yyvsp[(2) - (4)].lex).line, *(yyvsp[(2) - (4)].lex).string, (yyvsp[(1) - (4)].interm.type), (yyvsp[(4) - (4)].interm.intermTypedNode), intermNode))
+        if (!context->executeInitializer((yylsp[(2) - (4)]), *(yyvsp[(2) - (4)].lex).string, (yyvsp[(1) - (4)].interm.type), (yyvsp[(4) - (4)].interm.intermTypedNode), intermNode))
             (yyval.interm.intermTypedNode) = (yyvsp[(4) - (4)].interm.intermTypedNode);
         else {
             context->recover();
@@ -4566,7 +4695,7 @@
 
     {
         context->symbolTable.pop();
-        (yyval.interm.intermNode) = context->intermediate.addLoop(ELoopWhile, 0, (yyvsp[(4) - (6)].interm.intermTypedNode), 0, (yyvsp[(6) - (6)].interm.intermNode), (yyvsp[(1) - (6)].lex).line);
+        (yyval.interm.intermNode) = context->intermediate.addLoop(ELoopWhile, 0, (yyvsp[(4) - (6)].interm.intermTypedNode), 0, (yyvsp[(6) - (6)].interm.intermNode), (yylsp[(1) - (6)]));
         --context->loopNestingLevel;
     }
     break;
@@ -4579,10 +4708,10 @@
   case 228:
 
     {
-        if (context->boolErrorCheck((yyvsp[(8) - (8)].lex).line, (yyvsp[(6) - (8)].interm.intermTypedNode)))
+        if (context->boolErrorCheck((yylsp[(8) - (8)]), (yyvsp[(6) - (8)].interm.intermTypedNode)))
             context->recover();
 
-        (yyval.interm.intermNode) = context->intermediate.addLoop(ELoopDoWhile, 0, (yyvsp[(6) - (8)].interm.intermTypedNode), 0, (yyvsp[(3) - (8)].interm.intermNode), (yyvsp[(4) - (8)].lex).line);
+        (yyval.interm.intermNode) = context->intermediate.addLoop(ELoopDoWhile, 0, (yyvsp[(6) - (8)].interm.intermTypedNode), 0, (yyvsp[(3) - (8)].interm.intermNode), (yylsp[(4) - (8)]));
         --context->loopNestingLevel;
     }
     break;
@@ -4596,7 +4725,7 @@
 
     {
         context->symbolTable.pop();
-        (yyval.interm.intermNode) = context->intermediate.addLoop(ELoopFor, (yyvsp[(4) - (7)].interm.intermNode), reinterpret_cast<TIntermTyped*>((yyvsp[(5) - (7)].interm.nodePair).node1), reinterpret_cast<TIntermTyped*>((yyvsp[(5) - (7)].interm.nodePair).node2), (yyvsp[(7) - (7)].interm.intermNode), (yyvsp[(1) - (7)].lex).line);
+        (yyval.interm.intermNode) = context->intermediate.addLoop(ELoopFor, (yyvsp[(4) - (7)].interm.intermNode), reinterpret_cast<TIntermTyped*>((yyvsp[(5) - (7)].interm.nodePair).node1), reinterpret_cast<TIntermTyped*>((yyvsp[(5) - (7)].interm.nodePair).node2), (yyvsp[(7) - (7)].interm.intermNode), (yylsp[(1) - (7)]));
         --context->loopNestingLevel;
     }
     break;
@@ -4649,10 +4778,10 @@
 
     {
         if (context->loopNestingLevel <= 0) {
-            context->error((yyvsp[(1) - (2)].lex).line, "continue statement only allowed in loops", "");
+            context->error((yylsp[(1) - (2)]), "continue statement only allowed in loops", "");
             context->recover();
         }
-        (yyval.interm.intermNode) = context->intermediate.addBranch(EOpContinue, (yyvsp[(1) - (2)].lex).line);
+        (yyval.interm.intermNode) = context->intermediate.addBranch(EOpContinue, (yylsp[(1) - (2)]));
     }
     break;
 
@@ -4660,19 +4789,19 @@
 
     {
         if (context->loopNestingLevel <= 0) {
-            context->error((yyvsp[(1) - (2)].lex).line, "break statement only allowed in loops", "");
+            context->error((yylsp[(1) - (2)]), "break statement only allowed in loops", "");
             context->recover();
         }
-        (yyval.interm.intermNode) = context->intermediate.addBranch(EOpBreak, (yyvsp[(1) - (2)].lex).line);
+        (yyval.interm.intermNode) = context->intermediate.addBranch(EOpBreak, (yylsp[(1) - (2)]));
     }
     break;
 
   case 239:
 
     {
-        (yyval.interm.intermNode) = context->intermediate.addBranch(EOpReturn, (yyvsp[(1) - (2)].lex).line);
+        (yyval.interm.intermNode) = context->intermediate.addBranch(EOpReturn, (yylsp[(1) - (2)]));
         if (context->currentFunctionType->getBasicType() != EbtVoid) {
-            context->error((yyvsp[(1) - (2)].lex).line, "non-void function must return a value", "return");
+            context->error((yylsp[(1) - (2)]), "non-void function must return a value", "return");
             context->recover();
         }
     }
@@ -4681,13 +4810,13 @@
   case 240:
 
     {
-        (yyval.interm.intermNode) = context->intermediate.addBranch(EOpReturn, (yyvsp[(2) - (3)].interm.intermTypedNode), (yyvsp[(1) - (3)].lex).line);
+        (yyval.interm.intermNode) = context->intermediate.addBranch(EOpReturn, (yyvsp[(2) - (3)].interm.intermTypedNode), (yylsp[(1) - (3)]));
         context->functionReturnsValue = true;
         if (context->currentFunctionType->getBasicType() == EbtVoid) {
-            context->error((yyvsp[(1) - (3)].lex).line, "void function cannot return a value", "return");
+            context->error((yylsp[(1) - (3)]), "void function cannot return a value", "return");
             context->recover();
         } else if (*(context->currentFunctionType) != (yyvsp[(2) - (3)].interm.intermTypedNode)->getType()) {
-            context->error((yyvsp[(1) - (3)].lex).line, "function return is not matching type:", "return");
+            context->error((yylsp[(1) - (3)]), "function return is not matching type:", "return");
             context->recover();
         }
     }
@@ -4696,8 +4825,8 @@
   case 241:
 
     {
-        FRAG_ONLY("discard", (yyvsp[(1) - (2)].lex).line);
-        (yyval.interm.intermNode) = context->intermediate.addBranch(EOpKill, (yyvsp[(1) - (2)].lex).line);
+        FRAG_ONLY("discard", (yylsp[(1) - (2)]));
+        (yyval.interm.intermNode) = context->intermediate.addBranch(EOpKill, (yylsp[(1) - (2)]));
     }
     break;
 
@@ -4712,7 +4841,7 @@
   case 243:
 
     {
-        (yyval.interm.intermNode) = context->intermediate.growAggregate((yyvsp[(1) - (2)].interm.intermNode), (yyvsp[(2) - (2)].interm.intermNode), 0);
+        (yyval.interm.intermNode) = context->intermediate.growAggregate((yyvsp[(1) - (2)].interm.intermNode), (yyvsp[(2) - (2)].interm.intermNode), (yyloc));
         context->treeRoot = (yyval.interm.intermNode);
     }
     break;
@@ -4740,7 +4869,7 @@
         
         if (builtIn)
         {
-            context->error((yyvsp[(1) - (1)].interm).line, "built-in functions cannot be redefined", function->getName().c_str());
+            context->error((yylsp[(1) - (1)]), "built-in functions cannot be redefined", function->getName().c_str());
             context->recover();
         }
         
@@ -4754,7 +4883,7 @@
             //
             // Then this function already has a body.
             //
-            context->error((yyvsp[(1) - (1)].interm).line, "function already has a body", function->getName().c_str());
+            context->error((yylsp[(1) - (1)]), "function already has a body", function->getName().c_str());
             context->recover();
         }
         prevDec->setDefined();
@@ -4764,11 +4893,11 @@
         //
         if (function->getName() == "main") {
             if (function->getParamCount() > 0) {
-                context->error((yyvsp[(1) - (1)].interm).line, "function cannot take any parameter(s)", function->getName().c_str());
+                context->error((yylsp[(1) - (1)]), "function cannot take any parameter(s)", function->getName().c_str());
                 context->recover();
             }
             if (function->getReturnType().getBasicType() != EbtVoid) {
-                context->error((yyvsp[(1) - (1)].interm).line, "", function->getReturnType().getBasicString(), "main function cannot return a value");
+                context->error((yylsp[(1) - (1)]), "", function->getReturnType().getBasicString(), "main function cannot return a value");
                 context->recover();
             }
         }
@@ -4796,7 +4925,7 @@
                 // Insert the parameters with name in the symbol table.
                 //
                 if (! context->symbolTable.declare(*variable)) {
-                    context->error((yyvsp[(1) - (1)].interm).line, "redefinition", variable->getName().c_str());
+                    context->error((yylsp[(1) - (1)]), "redefinition", variable->getName().c_str());
                     context->recover();
                     delete variable;
                 }
@@ -4808,13 +4937,13 @@
                                                paramNodes,
                                                context->intermediate.addSymbol(variable->getUniqueId(),
                                                                        variable->getName(),
-                                                                       variable->getType(), (yyvsp[(1) - (1)].interm).line),
-                                               (yyvsp[(1) - (1)].interm).line);
+                                                                       variable->getType(), (yylsp[(1) - (1)])),
+                                               (yylsp[(1) - (1)]));
             } else {
-                paramNodes = context->intermediate.growAggregate(paramNodes, context->intermediate.addSymbol(0, "", *param.type, (yyvsp[(1) - (1)].interm).line), (yyvsp[(1) - (1)].interm).line);
+                paramNodes = context->intermediate.growAggregate(paramNodes, context->intermediate.addSymbol(0, "", *param.type, (yylsp[(1) - (1)])), (yylsp[(1) - (1)]));
             }
         }
-        context->intermediate.setAggregateOperator(paramNodes, EOpParameters, (yyvsp[(1) - (1)].interm).line);
+        context->intermediate.setAggregateOperator(paramNodes, EOpParameters, (yylsp[(1) - (1)]));
         (yyvsp[(1) - (1)].interm).intermAggregate = paramNodes;
         context->loopNestingLevel = 0;
     }
@@ -4826,12 +4955,12 @@
         //?? Check that all paths return a value if return type != void ?
         //   May be best done as post process phase on intermediate code
         if (context->currentFunctionType->getBasicType() != EbtVoid && ! context->functionReturnsValue) {
-            context->error((yyvsp[(1) - (3)].interm).line, "function does not return a value:", "", (yyvsp[(1) - (3)].interm).function->getName().c_str());
+            context->error((yylsp[(1) - (3)]), "function does not return a value:", "", (yyvsp[(1) - (3)].interm).function->getName().c_str());
             context->recover();
         }
         
-        (yyval.interm.intermNode) = context->intermediate.growAggregate((yyvsp[(1) - (3)].interm).intermAggregate, (yyvsp[(3) - (3)].interm.intermNode), 0);
-        context->intermediate.setAggregateOperator((yyval.interm.intermNode), EOpFunction, (yyvsp[(1) - (3)].interm).line);
+        (yyval.interm.intermNode) = context->intermediate.growAggregate((yyvsp[(1) - (3)].interm).intermAggregate, (yyvsp[(3) - (3)].interm.intermNode), (yyloc));
+        context->intermediate.setAggregateOperator((yyval.interm.intermNode), EOpFunction, (yylsp[(1) - (3)]));
         (yyval.interm.intermNode)->getAsAggregate()->setName((yyvsp[(1) - (3)].interm).function->getMangledName().c_str());
         (yyval.interm.intermNode)->getAsAggregate()->setType((yyvsp[(1) - (3)].interm).function->getReturnType());
 
@@ -4840,9 +4969,6 @@
         (yyval.interm.intermNode)->getAsAggregate()->setOptimize(context->pragma().optimize);
         (yyval.interm.intermNode)->getAsAggregate()->setDebug(context->pragma().debug);
 
-        if ((yyvsp[(3) - (3)].interm.intermNode) && (yyvsp[(3) - (3)].interm.intermNode)->getAsAggregate())
-            (yyval.interm.intermNode)->getAsAggregate()->setEndLine((yyvsp[(3) - (3)].interm.intermNode)->getAsAggregate()->getEndLine());
-
         context->symbolTable.pop();
     }
     break;
@@ -4869,6 +4995,7 @@
   YY_STACK_PRINT (yyss, yyssp);
 
   *++yyvsp = yyval;
+  *++yylsp = yyloc;
 
   /* Now `shift' the result of the reduction.  Determine what state
      that goes to, based on the state we popped back to and the rule
@@ -4898,7 +5025,7 @@
     {
       ++yynerrs;
 #if ! YYERROR_VERBOSE
-      yyerror (context, YY_("syntax error"));
+      yyerror (&yylloc, context, YY_("syntax error"));
 #else
 # define YYSYNTAX_ERROR yysyntax_error (&yymsg_alloc, &yymsg, \
                                         yyssp, yytoken)
@@ -4925,7 +5052,7 @@
                 yymsgp = yymsg;
               }
           }
-        yyerror (context, yymsgp);
+        yyerror (&yylloc, context, yymsgp);
         if (yysyntax_error_status == 2)
           goto yyexhaustedlab;
       }
@@ -4933,7 +5060,7 @@
 #endif
     }
 
-
+  yyerror_range[1] = yylloc;
 
   if (yyerrstatus == 3)
     {
@@ -4949,7 +5076,7 @@
       else
 	{
 	  yydestruct ("Error: discarding",
-		      yytoken, &yylval, context);
+		      yytoken, &yylval, &yylloc, context);
 	  yychar = YYEMPTY;
 	}
     }
@@ -4970,6 +5097,7 @@
   if (/*CONSTCOND*/ 0)
      goto yyerrorlab;
 
+  yyerror_range[1] = yylsp[1-yylen];
   /* Do not reclaim the symbols of the rule which action triggered
      this YYERROR.  */
   YYPOPSTACK (yylen);
@@ -5003,9 +5131,9 @@
       if (yyssp == yyss)
 	YYABORT;
 
-
+      yyerror_range[1] = *yylsp;
       yydestruct ("Error: popping",
-		  yystos[yystate], yyvsp, context);
+		  yystos[yystate], yyvsp, yylsp, context);
       YYPOPSTACK (1);
       yystate = *yyssp;
       YY_STACK_PRINT (yyss, yyssp);
@@ -5015,6 +5143,11 @@
   *++yyvsp = yylval;
   YY_IGNORE_MAYBE_UNINITIALIZED_END
 
+  yyerror_range[2] = yylloc;
+  /* Using YYLLOC is tempting, but would change the location of
+     the lookahead.  YYLOC is available though.  */
+  YYLLOC_DEFAULT (yyloc, yyerror_range, 2);
+  *++yylsp = yyloc;
 
   /* Shift the error token.  */
   YY_SYMBOL_PRINT ("Shifting", yystos[yyn], yyvsp, yylsp);
@@ -5042,7 +5175,7 @@
 | yyexhaustedlab -- memory exhaustion comes here.  |
 `-------------------------------------------------*/
 yyexhaustedlab:
-  yyerror (context, YY_("memory exhausted"));
+  yyerror (&yylloc, context, YY_("memory exhausted"));
   yyresult = 2;
   /* Fall through.  */
 #endif
@@ -5054,7 +5187,7 @@
          user semantic actions for why this is necessary.  */
       yytoken = YYTRANSLATE (yychar);
       yydestruct ("Cleanup: discarding lookahead",
-                  yytoken, &yylval, context);
+                  yytoken, &yylval, &yylloc, context);
     }
   /* Do not reclaim the symbols of the rule which action triggered
      this YYABORT or YYACCEPT.  */
@@ -5063,7 +5196,7 @@
   while (yyssp != yyss)
     {
       yydestruct ("Cleanup: popping",
-		  yystos[*yyssp], yyvsp, context);
+		  yystos[*yyssp], yyvsp, yylsp, context);
       YYPOPSTACK (1);
     }
 #ifndef yyoverflow
@@ -5082,6 +5215,11 @@
 
 
 
+void yyerror(YYLTYPE* yylloc, TParseContext* context, const char* reason) {
+    context->error(*yylloc, reason, "");
+    context->recover();
+}
+
 int glslang_parse(TParseContext* context) {
     return yyparse(context);
 }
diff --git a/src/compiler/glslang_tab.h b/src/compiler/glslang_tab.h
index 9598c6d..f785722 100644
--- a/src/compiler/glslang_tab.h
+++ b/src/compiler/glslang_tab.h
@@ -39,6 +39,14 @@
 #if YYDEBUG
 extern int yydebug;
 #endif
+/* "%code requires" blocks.  */
+
+
+#define YYLTYPE TSourceLoc
+#define YYLTYPE_IS_DECLARED 1
+
+
+
 
 /* Tokens.  */
 #ifndef YYTOKENTYPE
@@ -179,7 +187,6 @@
 
 
     struct {
-        TSourceLoc line;
         union {
             TString *string;
             float f;
@@ -190,7 +197,6 @@
         TSymbol* symbol;
     } lex;
     struct {
-        TSourceLoc line;
         TOperator op;
         union {
             TIntermNode* intermNode;
@@ -218,6 +224,19 @@
 # define YYSTYPE_IS_DECLARED 1
 #endif
 
+#if ! defined YYLTYPE && ! defined YYLTYPE_IS_DECLARED
+typedef struct YYLTYPE
+{
+  int first_line;
+  int first_column;
+  int last_line;
+  int last_column;
+} YYLTYPE;
+# define yyltype YYLTYPE /* obsolescent; will be withdrawn */
+# define YYLTYPE_IS_DECLARED 1
+# define YYLTYPE_IS_TRIVIAL 1
+#endif
+
 
 #ifdef YYPARSE_PARAM
 #if defined __STDC__ || defined __cplusplus
diff --git a/src/compiler/intermOut.cpp b/src/compiler/intermOut.cpp
index e5c09db..c3abfa4 100644
--- a/src/compiler/intermOut.cpp
+++ b/src/compiler/intermOut.cpp
@@ -196,7 +196,9 @@
         case EOpAny:            out << "any";                  break;
         case EOpAll:            out << "all";                  break;
 
-        default: out.message(EPrefixError, "Bad unary op");
+        default:
+            out.prefix(EPrefixError);
+            out << "Bad unary op";
     }
 
     out << " (" << node->getCompleteString() << ")";
@@ -211,7 +213,8 @@
     TInfoSinkBase& out = sink;
 
     if (node->getOp() == EOpNull) {
-        out.message(EPrefixError, "node is still EOpNull!");
+        out.prefix(EPrefixError);
+        out << "node is still EOpNull!";
         return true;
     }
 
@@ -274,7 +277,9 @@
 
         case EOpDeclaration:   out << "Declaration: ";   break;
 
-        default: out.message(EPrefixError, "Bad aggregation op");
+        default:
+            out.prefix(EPrefixError);
+            out << "Bad aggregation op";
     }
 
     if (node->getOp() != EOpSequence && node->getOp() != EOpParameters)
@@ -349,7 +354,7 @@
                 out << " (const uint)\n";
                 break;
             default:
-                out.message(EPrefixInternalError, "Unknown constant", node->getLine());
+                out.message(EPrefixInternalError, node->getLine(), "Unknown constant");
                 break;
         }
     }
diff --git a/src/compiler/intermediate.h b/src/compiler/intermediate.h
index d5d6a19..a8a0e31 100644
--- a/src/compiler/intermediate.h
+++ b/src/compiler/intermediate.h
@@ -217,10 +217,16 @@
 public:
     POOL_ALLOCATOR_NEW_DELETE(GlobalPoolAllocator)
 
-    TIntermNode() : line(0) {}
+    TIntermNode() {
+        // TODO: Move this to TSourceLoc constructor
+        // after getting rid of TPublicType.
+        line.first_file = line.last_file = 0;
+        line.first_line = line.last_line = 0;
+    }
+    virtual ~TIntermNode() { }
 
-    TSourceLoc getLine() const { return line; }
-    void setLine(TSourceLoc l) { line = l; }
+    const TSourceLoc& getLine() const { return line; }
+    void setLine(const TSourceLoc& l) { line = l; }
 
     virtual void traverse(TIntermTraverser*) = 0;
     virtual TIntermTyped* getAsTyped() { return 0; }
@@ -231,7 +237,6 @@
     virtual TIntermSelection* getAsSelectionNode() { return 0; }
     virtual TIntermSymbol* getAsSymbolNode() { return 0; }
     virtual TIntermLoop* getAsLoopNode() { return 0; }
-    virtual ~TIntermNode() { }
 
 protected:
     TSourceLoc line;
@@ -470,7 +475,7 @@
 //
 class TIntermAggregate : public TIntermOperator {
 public:
-    TIntermAggregate() : TIntermOperator(EOpNull), userDefined(false), endLine(0), useEmulatedFunction(false) { }
+    TIntermAggregate() : TIntermOperator(EOpNull), userDefined(false), useEmulatedFunction(false) { }
     TIntermAggregate(TOperator o) : TIntermOperator(o), useEmulatedFunction(false) { }
     ~TIntermAggregate() { }
 
@@ -490,9 +495,6 @@
     void setDebug(bool d) { debug = d; }
     bool getDebug() { return debug; }
 
-    void setEndLine(TSourceLoc line) { endLine = line; }
-    TSourceLoc getEndLine() const { return endLine; }
-
     void setUseEmulatedFunction() { useEmulatedFunction = true; }
     bool getUseEmulatedFunction() { return useEmulatedFunction; }
 
@@ -505,7 +507,6 @@
 
     bool optimize;
     bool debug;
-    TSourceLoc endLine;
 
     // If set to true, replace the built-in function call with an emulated one
     // to work around driver bugs.
diff --git a/src/compiler/localintermediate.h b/src/compiler/localintermediate.h
index 0e5ed0a..db35250 100644
--- a/src/compiler/localintermediate.h
+++ b/src/compiler/localintermediate.h
@@ -24,34 +24,33 @@
     POOL_ALLOCATOR_NEW_DELETE(GlobalPoolAllocator)
 
     TIntermediate(TInfoSink& i) : infoSink(i) { }
-    TIntermSymbol* addSymbol(int Id, const TString&, const TType&, TSourceLoc);
+    TIntermSymbol* addSymbol(int Id, const TString&, const TType&, const TSourceLoc&);
     TIntermTyped* addConversion(TOperator, const TType&, TIntermTyped*);
-    TIntermTyped* addBinaryMath(TOperator op, TIntermTyped* left, TIntermTyped* right, TSourceLoc);
-    TIntermTyped* addAssign(TOperator op, TIntermTyped* left, TIntermTyped* right, TSourceLoc);
-    TIntermTyped* addIndex(TOperator op, TIntermTyped* base, TIntermTyped* index, TSourceLoc);
-    TIntermTyped* addUnaryMath(TOperator op, TIntermNode* child, TSourceLoc);
-    TIntermAggregate* growAggregate(TIntermNode* left, TIntermNode* right, TSourceLoc);
-    TIntermAggregate* makeAggregate(TIntermNode* node, TSourceLoc);
-    TIntermAggregate* setAggregateOperator(TIntermNode*, TOperator, TSourceLoc);
-    TIntermNode*  addSelection(TIntermTyped* cond, TIntermNodePair code, TSourceLoc);
-    TIntermTyped* addSelection(TIntermTyped* cond, TIntermTyped* trueBlock, TIntermTyped* falseBlock, TSourceLoc);
-    TIntermTyped* addComma(TIntermTyped* left, TIntermTyped* right, TSourceLoc);
-    TIntermConstantUnion* addConstantUnion(ConstantUnion*, const TType&, TSourceLoc);
+    TIntermTyped* addBinaryMath(TOperator op, TIntermTyped* left, TIntermTyped* right, const TSourceLoc&);
+    TIntermTyped* addAssign(TOperator op, TIntermTyped* left, TIntermTyped* right, const TSourceLoc&);
+    TIntermTyped* addIndex(TOperator op, TIntermTyped* base, TIntermTyped* index, const TSourceLoc&);
+    TIntermTyped* addUnaryMath(TOperator op, TIntermNode* child, const TSourceLoc&);
+    TIntermAggregate* growAggregate(TIntermNode* left, TIntermNode* right, const TSourceLoc&);
+    TIntermAggregate* makeAggregate(TIntermNode* node, const TSourceLoc&);
+    TIntermAggregate* setAggregateOperator(TIntermNode*, TOperator, const TSourceLoc&);
+    TIntermNode*  addSelection(TIntermTyped* cond, TIntermNodePair code, const TSourceLoc&);
+    TIntermTyped* addSelection(TIntermTyped* cond, TIntermTyped* trueBlock, TIntermTyped* falseBlock, const TSourceLoc&);
+    TIntermTyped* addComma(TIntermTyped* left, TIntermTyped* right, const TSourceLoc&);
+    TIntermConstantUnion* addConstantUnion(ConstantUnion*, const TType&, const TSourceLoc&);
     TIntermTyped* promoteConstantUnion(TBasicType, TIntermConstantUnion*) ;
-    bool parseConstTree(TSourceLoc, TIntermNode*, ConstantUnion*, TOperator, TType, bool singleConstantParam = false);        
-    TIntermNode* addLoop(TLoopType, TIntermNode*, TIntermTyped*, TIntermTyped*, TIntermNode*, TSourceLoc);
-    TIntermBranch* addBranch(TOperator, TSourceLoc);
-    TIntermBranch* addBranch(TOperator, TIntermTyped*, TSourceLoc);
-    TIntermTyped* addSwizzle(TVectorFields&, TSourceLoc);
+    bool parseConstTree(const TSourceLoc&, TIntermNode*, ConstantUnion*, TOperator, TType, bool singleConstantParam = false);        
+    TIntermNode* addLoop(TLoopType, TIntermNode*, TIntermTyped*, TIntermTyped*, TIntermNode*, const TSourceLoc&);
+    TIntermBranch* addBranch(TOperator, const TSourceLoc&);
+    TIntermBranch* addBranch(TOperator, TIntermTyped*, const TSourceLoc&);
+    TIntermTyped* addSwizzle(TVectorFields&, const TSourceLoc&);
     bool postProcess(TIntermNode*);
 	void remove(TIntermNode*);
     void outputTree(TIntermNode*);
-    
-protected:
-    TInfoSink& infoSink;
 
 private:
     void operator=(TIntermediate&); // prevent assignments
+
+    TInfoSink& infoSink;
 };
 
 #endif // _LOCAL_INTERMEDIATE_INCLUDED_
diff --git a/src/compiler/parseConst.cpp b/src/compiler/parseConst.cpp
index 09f6e2b..fd2af0e 100644
--- a/src/compiler/parseConst.cpp
+++ b/src/compiler/parseConst.cpp
@@ -61,7 +61,7 @@
 
 void TConstTraverser::visitSymbol(TIntermSymbol* node)
 {
-    infoSink.info.message(EPrefixInternalError, "Symbol Node found in constant constructor", node->getLine());
+    infoSink.info.message(EPrefixInternalError, node->getLine(), "Symbol Node found in constant constructor");
     return;
 
 }
@@ -74,12 +74,12 @@
         TString buf;
         buf.append("'constructor' : assigning non-constant to ");
         buf.append(type.getCompleteString());
-        infoSink.info.message(EPrefixError, buf.c_str(), node->getLine());
+        infoSink.info.message(EPrefixError, node->getLine(), buf.c_str());
         error = true;
         return false;  
     }
 
-   infoSink.info.message(EPrefixInternalError, "Binary Node found in constant constructor", node->getLine());
+   infoSink.info.message(EPrefixInternalError, node->getLine(), "Binary Node found in constant constructor");
     
     return false;
 }
@@ -89,7 +89,7 @@
     TString buf;
     buf.append("'constructor' : assigning non-constant to ");
     buf.append(type.getCompleteString());
-    infoSink.info.message(EPrefixError, buf.c_str(), node->getLine());
+    infoSink.info.message(EPrefixError, node->getLine(), buf.c_str());
     error = true;
     return false;  
 }
@@ -100,7 +100,7 @@
         TString buf;
         buf.append("'constructor' : assigning non-constant to ");
         buf.append(type.getCompleteString());
-        infoSink.info.message(EPrefixError, buf.c_str(), node->getLine());
+        infoSink.info.message(EPrefixError, node->getLine(), buf.c_str());
         error = true;
         return false;  
     }
@@ -146,7 +146,7 @@
 
 bool TConstTraverser::visitSelection(Visit visit, TIntermSelection* node)
 {
-    infoSink.info.message(EPrefixInternalError, "Selection Node found in constant constructor", node->getLine());
+    infoSink.info.message(EPrefixInternalError, node->getLine(), "Selection Node found in constant constructor");
     error = true;
     return false;
 }
@@ -219,14 +219,14 @@
 
 bool TConstTraverser::visitLoop(Visit visit, TIntermLoop* node)
 {
-    infoSink.info.message(EPrefixInternalError, "Loop Node found in constant constructor", node->getLine());
+    infoSink.info.message(EPrefixInternalError, node->getLine(), "Loop Node found in constant constructor");
     error = true;
     return false;
 }
 
 bool TConstTraverser::visitBranch(Visit visit, TIntermBranch* node)
 {
-    infoSink.info.message(EPrefixInternalError, "Branch Node found in constant constructor", node->getLine());
+    infoSink.info.message(EPrefixInternalError, node->getLine(), "Branch Node found in constant constructor");
     error = true;
     return false;
 }
@@ -236,7 +236,7 @@
 // Individual functions can be initialized to 0 to skip processing of that
 // type of node.  It's children will still be processed.
 //
-bool TIntermediate::parseConstTree(TSourceLoc line, TIntermNode* root, ConstantUnion* unionArray, TOperator constructorType, TType t, bool singleConstantParam)
+bool TIntermediate::parseConstTree(const TSourceLoc& line, TIntermNode* root, ConstantUnion* unionArray, TOperator constructorType, TType t, bool singleConstantParam)
 {
     if (root == 0)
         return false;
diff --git a/src/compiler/timing/RestrictVertexShaderTiming.cpp b/src/compiler/timing/RestrictVertexShaderTiming.cpp
index 524c6cf..57c01eb 100644
--- a/src/compiler/timing/RestrictVertexShaderTiming.cpp
+++ b/src/compiler/timing/RestrictVertexShaderTiming.cpp
@@ -10,8 +10,8 @@
 {
     if (IsSampler(node->getBasicType())) {
         ++mNumErrors;
-        mSink.prefix(EPrefixError);
-        mSink.location(node->getLine());
-        mSink << "Samplers are not permitted in vertex shaders.\n";
+        mSink.message(EPrefixError,
+                      node->getLine(),
+                      "Samplers are not permitted in vertex shaders.\n");
     }
 }