Added some comments, preparing to add global variables and method prototypes
llvm-svn: 179
diff --git a/llvm/lib/AsmParser/llvmAsmParser.y b/llvm/lib/AsmParser/llvmAsmParser.y
index a70e873..e5534cd 100644
--- a/llvm/lib/AsmParser/llvmAsmParser.y
+++ b/llvm/lib/AsmParser/llvmAsmParser.y
@@ -485,7 +485,7 @@
// Types includes all predefined types... except void, because you can't do
// anything with it except for certain specific things...
//
-// User defined types are added latter...
+// User defined types are added later...
//
Types : BOOL | SBYTE | UBYTE | SHORT | USHORT | INT | UINT
Types : LONG | ULONG | FLOAT | DOUBLE | STRING | TYPE | LABEL
@@ -501,12 +501,13 @@
BinaryOps : SETLE | SETGE | SETLT | SETGT | SETEQ | SETNE
ShiftOps : SHL | SHR
-// Valueine some types that allow classification if we only want a particular
-// thing...
+// These are some types that allow classification if we only want a particular
+// thing... for example, only a signed, unsigned, or integral type.
SIntType : LONG | INT | SHORT | SBYTE
UIntType : ULONG | UINT | USHORT | UBYTE
IntType : SIntType | UIntType
+// OptAssign - Value producing statements have an optional assignment component
OptAssign : VAR_ID '=' {
$$ = $1;
}
@@ -514,6 +515,9 @@
$$ = 0;
}
+// ConstVal - The various declarations that go into the constant pool. This
+// includes all forward declarations of types, constants, and functions.
+//
ConstVal : SIntType EINT64VAL { // integral constants
if (!ConstPoolSInt::isValueValidForType($1, $2))
ThrowException("Constant value doesn't fit in type!");
@@ -602,7 +606,7 @@
}
*/
-
+// ConstVector - A list of comma seperated constants.
ConstVector : ConstVector ',' ConstVal {
($$ = $1)->push_back(addConstValToConstantPool($3));
}
@@ -611,7 +615,11 @@
$$->push_back(addConstValToConstantPool($1));
}
+//ExternMethodDecl : EXTERNAL TypesV '(' TypeList ')' {
+// }
+//ExternVarDecl :
+// ConstPool - Constants with optional names assigned to them.
ConstPool : ConstPool OptAssign ConstVal {
if ($2) {
$3->setName($2);
@@ -620,6 +628,15 @@
addConstValToConstantPool($3);
}
+/*
+ | ConstPool OptAssign GlobalDecl { // Global declarations appear in CP
+ if ($2) {
+ $3->setName($2);
+ free($2);
+ }
+ //CurModule.CurrentModule->
+ }
+*/
| /* empty: end of list */ {
}
@@ -636,6 +653,8 @@
CurModule.ModuleDone();
}
+// MethodList - A list of methods, preceeded by a constant pool.
+//
MethodList : MethodList Method {
$1->getMethodList().push_back($2);
CurMeth.MethodDone();