X-Git-Url: http://git.tdb.fi/?p=libs%2Fgl.git;a=blobdiff_plain;f=source%2Fprogramsyntax.h;h=590429519118614f6a59a83796da97f50693ff9c;hp=c502ba47a90f32701bc885e44006ff48a8d93c24;hb=56beca9d8b4f7b4edac81411d31e24df88e84ac3;hpb=48e37a09b49cd4148db390170cfd07eef92c9d02

diff --git a/source/programsyntax.h b/source/programsyntax.h
index c502ba47..59042951 100644
--- a/source/programsyntax.h
+++ b/source/programsyntax.h
@@ -5,7 +5,12 @@
 #include <map>
 #include <string>
 #include <vector>
+#include <msp/core/refptr.h>
 #include "extension.h"
+#include "uniform.h"
+
+#pragma push_macro("interface")
+#undef interface
 
 namespace Msp {
 namespace GL {
@@ -25,39 +30,53 @@ public:
 };
 
 template<typename T>
-class NodePtr
+class NodePtr: public RefPtr<T>
 {
-private:
-	T *node;
-
 public:
-	NodePtr(T *n = 0): node(n) { }
-	NodePtr(const NodePtr &p): node(clone(p.node)) { }
-	NodePtr &operator=(const NodePtr &p) { delete node; node = clone(p.node); return *this; }
-#if __cplusplus>=201103L
-	NodePtr(NodePtr &&p): node(p.node) { p.node = 0; }
-	NodePtr &operator=(NodePtr &&p) { delete node; node = p.node; p.node = 0; return *this; }
-#endif
-	~NodePtr() { delete node; }
+	NodePtr() { }
+	NodePtr(T *p): RefPtr<T>(p) { }
+	NodePtr(const NodePtr &p): RefPtr<T>(p ? p->clone() : 0) { }
 
-private:
-	static T *clone(T *n) { return n ? n->clone() : 0; }
+	template<typename U>
+	NodePtr(const RefPtr<U> &p): RefPtr<T>(p) { }
+
+	template<typename U>
+	NodePtr(const NodePtr<U> &p): RefPtr<T>(p ? p->clone() : 0) { }
+};
 
+template<typename C>
+class NodeContainer: public C
+{
 public:
-	T *operator->() { return node; }
-	const T *operator->() const { return node; }
-	T &operator*() { return *node; }
-	const T &operator*() const { return *node; }
-	operator void *() const { return node; }
+	NodeContainer() { }
+	NodeContainer(const NodeContainer &);
 };
 
+template<typename T>
+class NodeList: public NodeContainer<std::list<RefPtr<T> > >
+{ };
+
+template<typename T>
+class NodeArray: public NodeContainer<std::vector<RefPtr<T> > >
+{ };
+
 struct StructDeclaration;
 struct VariableDeclaration;
 struct FunctionDeclaration;
 
+struct Statement: Node
+{
+	unsigned source;
+	unsigned line;
+
+	Statement();
+
+	virtual Statement *clone() const = 0;
+};
+
 struct Block: Node
 {
-	std::list<NodePtr<Node> > body;
+	NodeList<Statement> body;
 	bool use_braces;
 	std::map<std::string, StructDeclaration *> types;
 	std::map<std::string, VariableDeclaration *> variables;
@@ -149,7 +168,7 @@ struct FunctionCall: Expression
 	std::string name;
 	FunctionDeclaration *declaration;
 	bool constructor;
-	std::vector<NodePtr<Expression> > arguments;
+	NodeArray<Expression> arguments;
 
 	FunctionCall();
 
@@ -157,7 +176,7 @@ struct FunctionCall: Expression
 	virtual void visit(NodeVisitor &);
 };
 
-struct ExpressionStatement: Node
+struct ExpressionStatement: Statement
 {
 	NodePtr<Expression> expression;
 
@@ -165,7 +184,7 @@ struct ExpressionStatement: Node
 	virtual void visit(NodeVisitor &);
 };
 
-struct Import: Node
+struct Import: Statement
 {
 	std::string module;
 
@@ -173,10 +192,20 @@ 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;
 	};
@@ -187,7 +216,7 @@ struct Layout: Node
 	virtual void visit(NodeVisitor &);
 };
 
-struct InterfaceLayout: Node
+struct InterfaceLayout: Statement
 {
 	std::string interface;
 	Layout layout;
@@ -196,7 +225,7 @@ struct InterfaceLayout: Node
 	virtual void visit(NodeVisitor &);
 };
 
-struct StructDeclaration: Node
+struct StructDeclaration: Statement
 {
 	std::string name;
 	Block members;
@@ -207,11 +236,13 @@ 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;
@@ -227,7 +258,7 @@ struct VariableDeclaration: Node
 	virtual void visit(NodeVisitor &);
 };
 
-struct InterfaceBlock: Node
+struct InterfaceBlock: Statement
 {
 	std::string interface;
 	std::string name;
@@ -241,11 +272,11 @@ struct InterfaceBlock: Node
 	virtual void visit(NodeVisitor &);
 };
 
-struct FunctionDeclaration: Node
+struct FunctionDeclaration: Statement
 {
 	std::string return_type;
 	std::string name;
-	std::vector<NodePtr<VariableDeclaration> > parameters;
+	NodeArray<VariableDeclaration> parameters;
 	FunctionDeclaration *definition;
 	Block body;
 
@@ -256,7 +287,7 @@ struct FunctionDeclaration: Node
 	virtual void visit(NodeVisitor &);
 };
 
-struct Conditional: Node
+struct Conditional: Statement
 {
 	NodePtr<Expression> condition;
 	Block body;
@@ -266,7 +297,7 @@ struct Conditional: Node
 	virtual void visit(NodeVisitor &);
 };
 
-struct Iteration: Node
+struct Iteration: Statement
 {
 	NodePtr<Node> init_statement;
 	NodePtr<Expression> condition;
@@ -277,7 +308,7 @@ struct Iteration: Node
 	virtual void visit(NodeVisitor &);
 };
 
-struct Passthrough: Node
+struct Passthrough: Statement
 {
 	NodePtr<Expression> subscript;
 
@@ -285,7 +316,7 @@ struct Passthrough: Node
 	virtual void visit(NodeVisitor &);
 };
 
-struct Return: Node
+struct Return: Statement
 {
 	NodePtr<Expression> expression;
 
@@ -293,6 +324,14 @@ 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() { }
@@ -308,6 +347,7 @@ 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 &) { }
@@ -318,10 +358,12 @@ 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 &);
@@ -357,6 +399,7 @@ 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);
 };
@@ -373,4 +416,6 @@ struct Module
 } // namespace GL
 } // namespace Msp
 
+#pragma pop_macro("interface")
+
 #endif