X-Git-Url: http://git.tdb.fi/?p=libs%2Fgl.git;a=blobdiff_plain;f=source%2Fglsl%2Fsyntax.cpp;h=71e5c39a948aabc7db12e701a80bcca32cfef3dc;hp=85d805d1b67aeea72ee41bcec1855222732dc5ef;hb=cc3f4aaaf8d2b34347f69b026c10f82797059aa4;hpb=50a79aee4c53c4198bae38c7ff447133a043aacc

diff --git a/source/glsl/syntax.cpp b/source/glsl/syntax.cpp
index 85d805d1..71e5c39a 100644
--- a/source/glsl/syntax.cpp
+++ b/source/glsl/syntax.cpp
@@ -186,14 +186,12 @@ void BinaryExpression::visit(NodeVisitor &visitor)
 
 
 Assignment::Assignment():
-	self_referencing(false),
-	target_declaration(0)
+	self_referencing(false)
 { }
 
 Assignment::Assignment(const Assignment &other):
 	BinaryExpression(other),
-	self_referencing(other.self_referencing),
-	target_declaration(0)
+	self_referencing(other.self_referencing)
 { }
 
 void Assignment::visit(NodeVisitor &visitor)
@@ -202,6 +200,24 @@ void Assignment::visit(NodeVisitor &visitor)
 }
 
 
+Assignment::Target::Target(Statement *d):
+	declaration(d),
+	chain_len(0)
+{
+	fill(chain, chain+7, 0);
+}
+
+bool Assignment::Target::operator<(const Target &other) const
+{
+	if(declaration!=other.declaration)
+		return declaration<other.declaration;
+	for(unsigned i=0; (i<7 && i<chain_len && i<other.chain_len); ++i)
+		if(chain[i]!=other.chain[i])
+			return chain[i]<other.chain[i];
+	return chain_len<other.chain_len;
+}
+
+
 FunctionCall::FunctionCall():
 	constructor(false),
 	declaration(0)