X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Fglsl%2Fsyntax.h;h=f7c8ed29cedc09229be11f5ce774d78f67107ee3;hb=d8bdf61007978e2c3670a22a58e2f105e8347537;hp=ae05c02e4379c429207418fdadac16ba81b3d011;hpb=fd44325059d59d32d47ef3feb6d41d846f7f36f0;p=libs%2Fgl.git

diff --git a/source/glsl/syntax.h b/source/glsl/syntax.h
index ae05c02e..f7c8ed29 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"
@@ -26,7 +27,8 @@ struct Operator
 		NO_OPERATOR,
 		BINARY,
 		PREFIX,
-		POSTFIX
+		POSTFIX,
+		TERNARY
 	};
 
 	enum Associativity
@@ -37,7 +39,8 @@ struct Operator
 	};
 
 	char token[4];
-	unsigned precedence;
+	char token2[2];
+	UInt8 precedence;
 	Type type;
 	Associativity assoc;
 
@@ -48,6 +51,7 @@ struct Operator
 
 enum
 {
+	INTERNAL_SOURCE = -2,
 	BUILTIN_SOURCE = -1,
 	GENERATED_SOURCE = 0
 };
@@ -92,6 +96,9 @@ class NodeContainer: public C
 public:
 	NodeContainer() { }
 	NodeContainer(const NodeContainer &);
+
+	void push_back_nocopy(const typename C::value_type &v)
+	{ C::push_back(0); C::back() = v; }
 };
 
 template<typename T>
@@ -102,7 +109,7 @@ template<typename T>
 class NodeArray: public NodeContainer<std::vector<RefPtr<T> > >
 { };
 
-struct StructDeclaration;
+struct TypeDeclaration;
 struct VariableDeclaration;
 struct InterfaceBlock;
 struct FunctionDeclaration;
@@ -131,6 +138,9 @@ struct Expression: Node
 {
 	const Operator *oper;
 
+	TypeDeclaration *type;
+	bool lvalue;
+
 	Expression();
 
 	virtual Expression *clone() const = 0;
@@ -145,14 +155,6 @@ struct Literal: Expression
 	virtual void visit(NodeVisitor &);
 };
 
-struct ParenthesizedExpression: Expression
-{
-	NodePtr<Expression> expression;
-
-	virtual ParenthesizedExpression *clone() const { return new ParenthesizedExpression(*this); }
-	virtual void visit(NodeVisitor &);
-};
-
 struct VariableReference: Expression
 {
 	std::string name;
@@ -193,6 +195,19 @@ 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;
@@ -212,9 +227,27 @@ 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 &);
@@ -223,6 +256,16 @@ struct Assignment: BinaryExpression
 	virtual void visit(NodeVisitor &);
 };
 
+struct TernaryExpression: Expression
+{
+	NodePtr<Expression> condition;
+	NodePtr<Expression> true_expr;
+	NodePtr<Expression> false_expr;
+
+	virtual TernaryExpression *clone() const { return new TernaryExpression(*this); }
+	virtual void visit(NodeVisitor &);
+};
+
 struct FunctionCall: Expression
 {
 	std::string name;
@@ -349,7 +392,11 @@ struct StructDeclaration: TypeDeclaration
 {
 	Block members;
 
+	InterfaceBlock *interface_block;
+
 	StructDeclaration();
+	StructDeclaration(const StructDeclaration &);
+	~StructDeclaration();
 
 	virtual StructDeclaration *clone() const { return new StructDeclaration(*this); }
 	virtual void visit(NodeVisitor &);
@@ -383,11 +430,15 @@ struct VariableDeclaration: Statement
 struct InterfaceBlock: Statement
 {
 	std::string interface;
-	std::string name;
-	Block members;
+	std::string block_name;
+	NodePtr<Block> members;
 	std::string instance_name;
 	bool array;
 
+	/* An interface block's ultimate base type is always a struct.  The
+	immediate type may be either that same struct or an array of it. */
+	TypeDeclaration *type_declaration;
+	StructDeclaration *struct_declaration;
 	InterfaceBlock *linked_block;
 
 	InterfaceBlock();
@@ -403,8 +454,11 @@ struct FunctionDeclaration: Statement
 	std::string return_type;
 	std::string name;
 	NodeArray<VariableDeclaration> parameters;
+	bool virtua;
+	bool overrd;
 	Block body;
 
+	std::string signature;
 	FunctionDeclaration *definition;
 	TypeDeclaration *return_type_declaration;
 
@@ -494,6 +548,8 @@ struct Module
 	Module();
 };
 
+std::string get_unused_variable_name(const Block &, const std::string &);
+
 } // namespace SL
 } // namespace GL
 } // namespace Msp