HLSL: Implement 'this' keyword.
diff --git a/hlsl/hlslGrammar.cpp b/hlsl/hlslGrammar.cpp
index d209a68..4f6f803 100755
--- a/hlsl/hlslGrammar.cpp
+++ b/hlsl/hlslGrammar.cpp
@@ -75,16 +75,33 @@
parseContext.error(token.loc, "Unimplemented", error, "");
}
+// IDENTIFIER
+// THIS
+// type that can be used as IDENTIFIER
+//
// Only process the next token if it is an identifier.
// Return true if it was an identifier.
bool HlslGrammar::acceptIdentifier(HlslToken& idToken)
{
+ // IDENTIFIER
if (peekTokenClass(EHTokIdentifier)) {
idToken = token;
advanceToken();
return true;
}
+ // THIS
+ // -> maps to the IDENTIFIER spelled with the internal special name for 'this'
+ if (peekTokenClass(EHTokThis)) {
+ idToken = token;
+ advanceToken();
+ idToken.tokenClass = EHTokIdentifier;
+ idToken.string = NewPoolTString(intermediate.implicitThisName);
+ return true;
+ }
+
+ // type that can be used as IDENTIFIER
+
// Even though "sample", "bool", "float", etc keywords (for types, interpolation modifiers),
// they ARE still accepted as identifiers. This is not a dense space: e.g, "void" is not a
// valid identifier, nor is "linear". This code special cases the known instances of this, so