Move the code for parsing constructor functions from the grammar to TParseContext.
TRAC #23080
Signed-off-by: Nicolas Capens
Signed-off-by: Shannon Woods
Author: Jamie Madill
git-svn-id: https://angleproject.googlecode.com/svn/branches/es3proto@2402 736b8ea6-26fd-11df-bfd4-992fa37f6226
diff --git a/src/compiler/ParseHelper.cpp b/src/compiler/ParseHelper.cpp
index ac0b2b0..4de40cc 100644
--- a/src/compiler/ParseHelper.cpp
+++ b/src/compiler/ParseHelper.cpp
@@ -1149,6 +1149,77 @@
return returnType;
}
+TFunction *TParseContext::addConstructorFunc(TPublicType publicType)
+{
+ TOperator op = EOpNull;
+ if (publicType.userDef)
+ {
+ op = EOpConstructStruct;
+ }
+ else
+ {
+ switch (publicType.type)
+ {
+ case EbtFloat:
+ if (publicType.isMatrix())
+ {
+ // TODO: non-square matrices
+ switch(publicType.getCols())
+ {
+ case 2: op = EOpConstructMat2; break;
+ case 3: op = EOpConstructMat3; break;
+ case 4: op = EOpConstructMat4; break;
+ }
+ }
+ else
+ {
+ switch(publicType.getNominalSize())
+ {
+ case 1: op = EOpConstructFloat; break;
+ case 2: op = EOpConstructVec2; break;
+ case 3: op = EOpConstructVec3; break;
+ case 4: op = EOpConstructVec4; break;
+ }
+ }
+ break;
+
+ case EbtInt:
+ switch(publicType.getNominalSize())
+ {
+ case 1: op = EOpConstructInt; break;
+ case 2: op = EOpConstructIVec2; break;
+ case 3: op = EOpConstructIVec3; break;
+ case 4: op = EOpConstructIVec4; break;
+ }
+ break;
+
+ case EbtBool:
+ switch(publicType.getNominalSize())
+ {
+ case 1: op = EOpConstructBool; break;
+ case 2: op = EOpConstructBVec2; break;
+ case 3: op = EOpConstructBVec3; break;
+ case 4: op = EOpConstructBVec4; break;
+ }
+ break;
+
+ default: break;
+ }
+
+ if (op == EOpNull)
+ {
+ error(publicType.line, "cannot construct this type", getBasicString(publicType.type));
+ recover();
+ publicType.type = EbtFloat;
+ op = EOpConstructFloat;
+ }
+ }
+
+ TString tempString;
+ TType type(publicType);
+ return new TFunction(&tempString, type, op);
+}
+
// This function is used to test for the correctness of the parameters passed to various constructor functions
// and also convert them to the right datatype if it is allowed and required.
//