X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Fglsl%2Fsyntax.h;h=3976af56aa77c97b2a8f430daa89514004209628;hb=cc3f4aaaf8d2b34347f69b026c10f82797059aa4;hp=30acca42b957bd42b547b642173032160fcdd0df;hpb=041ba4b1acd55337239c5ce24cc310118c621206;p=libs%2Fgl.git

diff --git a/source/glsl/syntax.h b/source/glsl/syntax.h
index 30acca42..3976af56 100644
--- a/source/glsl/syntax.h
+++ b/source/glsl/syntax.h
@@ -6,6 +6,7 @@
 #include <set>
 #include <string>
 #include <vector>
+#include <msp/core/inttypes.h>
 #include <msp/core/refptr.h>
 #include <msp/core/variant.h>
 #include "features.h"
@@ -197,6 +198,19 @@ struct MemberAccess: Expression
 	virtual void visit(NodeVisitor &);
 };
 
+struct Swizzle: Expression
+{
+	NodePtr<Expression> left;
+	std::string component_group;
+	unsigned count;
+	UInt8 components[4];
+
+	Swizzle();
+
+	virtual Swizzle *clone() const { return new Swizzle(*this); }
+	virtual void visit(NodeVisitor &);
+};
+
 struct UnaryExpression: Expression
 {
 	NodePtr<Expression> expression;
@@ -216,9 +230,27 @@ struct BinaryExpression: Expression
 
 struct Assignment: BinaryExpression
 {
+	struct Target
+	{
+		enum ChainType
+		{
+			MEMBER = 0x40,
+			SWIZZLE = 0x80,
+			ARRAY = 0xC0
+		};
+
+		Statement *declaration;
+		Msp::UInt8 chain_len;
+		Msp::UInt8 chain[7];
+
+		Target(Statement * = 0);
+
+		bool operator<(const Target &) const;
+	};
+
 	bool self_referencing;
 
-	VariableDeclaration *target_declaration;
+	Target target;
 
 	Assignment();
 	Assignment(const Assignment &);