X-Git-Url: http://git.tdb.fi/?p=libs%2Fgl.git;a=blobdiff_plain;f=source%2Fprogramsyntax.h;h=3db059c4f4d79c4e6252537c5a1cfc27b90e223e;hp=14e5d8e786cb679e36c448cf5ca68b1dfe387fd3;hb=16a9d75c8e124a0faf89c56533792cb97a214e37;hpb=79c49c6b6155857ed0ebe85eb07a996788a6190b

diff --git a/source/programsyntax.h b/source/programsyntax.h
index 14e5d8e7..3db059c4 100644
--- a/source/programsyntax.h
+++ b/source/programsyntax.h
@@ -7,6 +7,10 @@
 #include <vector>
 #include <msp/core/refptr.h>
 #include "extension.h"
+#include "uniform.h"
+
+#pragma push_macro("interface")
+#undef interface
 
 namespace Msp {
 namespace GL {
@@ -60,9 +64,14 @@ struct StructDeclaration;
 struct VariableDeclaration;
 struct FunctionDeclaration;
 
+struct Statement: Node
+{
+	virtual Statement *clone() const = 0;
+};
+
 struct Block: Node
 {
-	NodeList<Node> body;
+	NodeList<Statement> body;
 	bool use_braces;
 	std::map<std::string, StructDeclaration *> types;
 	std::map<std::string, VariableDeclaration *> variables;
@@ -162,7 +171,7 @@ struct FunctionCall: Expression
 	virtual void visit(NodeVisitor &);
 };
 
-struct ExpressionStatement: Node
+struct ExpressionStatement: Statement
 {
 	NodePtr<Expression> expression;
 
@@ -170,7 +179,7 @@ struct ExpressionStatement: Node
 	virtual void visit(NodeVisitor &);
 };
 
-struct Import: Node
+struct Import: Statement
 {
 	std::string module;
 
@@ -178,10 +187,20 @@ struct Import: Node
 	virtual void visit(NodeVisitor &);
 };
 
+struct Precision: Statement
+{
+	std::string precision;
+	std::string type;
+
+	virtual Precision *clone() const { return new Precision(*this); }
+	virtual void visit(NodeVisitor &);
+};
+
 struct Layout: Node
 {
 	struct Qualifier
 	{
+		// TODO the standard calls this name, not identifier
 		std::string identifier;
 		std::string value;
 	};
@@ -192,7 +211,7 @@ struct Layout: Node
 	virtual void visit(NodeVisitor &);
 };
 
-struct InterfaceLayout: Node
+struct InterfaceLayout: Statement
 {
 	std::string interface;
 	Layout layout;
@@ -201,7 +220,7 @@ struct InterfaceLayout: Node
 	virtual void visit(NodeVisitor &);
 };
 
-struct StructDeclaration: Node
+struct StructDeclaration: Statement
 {
 	std::string name;
 	Block members;
@@ -212,11 +231,13 @@ struct StructDeclaration: Node
 	virtual void visit(NodeVisitor &);
 };
 
-struct VariableDeclaration: Node
+struct VariableDeclaration: Statement
 {
 	bool constant;
 	std::string sampling;
+	std::string interpolation;
 	std::string interface;
+	std::string precision;
 	std::string type;
 	StructDeclaration *type_declaration;
 	std::string name;
@@ -232,7 +253,7 @@ struct VariableDeclaration: Node
 	virtual void visit(NodeVisitor &);
 };
 
-struct InterfaceBlock: Node
+struct InterfaceBlock: Statement
 {
 	std::string interface;
 	std::string name;
@@ -246,7 +267,7 @@ struct InterfaceBlock: Node
 	virtual void visit(NodeVisitor &);
 };
 
-struct FunctionDeclaration: Node
+struct FunctionDeclaration: Statement
 {
 	std::string return_type;
 	std::string name;
@@ -261,7 +282,7 @@ struct FunctionDeclaration: Node
 	virtual void visit(NodeVisitor &);
 };
 
-struct Conditional: Node
+struct Conditional: Statement
 {
 	NodePtr<Expression> condition;
 	Block body;
@@ -271,7 +292,7 @@ struct Conditional: Node
 	virtual void visit(NodeVisitor &);
 };
 
-struct Iteration: Node
+struct Iteration: Statement
 {
 	NodePtr<Node> init_statement;
 	NodePtr<Expression> condition;
@@ -282,7 +303,7 @@ struct Iteration: Node
 	virtual void visit(NodeVisitor &);
 };
 
-struct Passthrough: Node
+struct Passthrough: Statement
 {
 	NodePtr<Expression> subscript;
 
@@ -290,7 +311,7 @@ struct Passthrough: Node
 	virtual void visit(NodeVisitor &);
 };
 
-struct Return: Node
+struct Return: Statement
 {
 	NodePtr<Expression> expression;
 
@@ -298,6 +319,14 @@ struct Return: Node
 	virtual void visit(NodeVisitor &);
 };
 
+struct Jump: Statement
+{
+	std::string keyword;
+
+	virtual Jump *clone() const { return new Jump(*this); }
+	virtual void visit(NodeVisitor &);
+};
+
 struct NodeVisitor
 {
 	virtual ~NodeVisitor() { }
@@ -313,6 +342,7 @@ struct NodeVisitor
 	virtual void visit(FunctionCall &) { }
 	virtual void visit(ExpressionStatement &) { }
 	virtual void visit(Import &) { }
+	virtual void visit(Precision &) { }
 	virtual void visit(Layout &) { }
 	virtual void visit(InterfaceLayout &) { }
 	virtual void visit(StructDeclaration &) { }
@@ -323,10 +353,12 @@ struct NodeVisitor
 	virtual void visit(Iteration &) { }
 	virtual void visit(Passthrough &) { }
 	virtual void visit(Return &) { }
+	virtual void visit(Jump &) { }
 };
 
 struct TraversingVisitor: NodeVisitor
 {
+	using NodeVisitor::visit;
 	virtual void visit(Block &);
 	virtual void visit(ParenthesizedExpression &);
 	virtual void visit(MemberAccess &);
@@ -362,6 +394,7 @@ struct Stage
 	std::map<std::string, VariableDeclaration *> out_variables;
 	std::map<std::string, unsigned> locations;
 	Version required_version;
+	std::vector<const Extension *> required_extensions;
 
 	Stage(StageType);
 };
@@ -378,4 +411,6 @@ struct Module
 } // namespace GL
 } // namespace Msp
 
+#pragma pop_macro("interface")
+
 #endif