X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Fprogramsyntax.h;h=9a0cc6ea3f4bc8c867a2d381494b816b937495eb;hb=a48aaa402e2aacab780805f529cde4ded7ae3f59;hp=c645a60a442ec91a616060f11c55327e9a34d4f6;hpb=a29cc14162e911b36d18d1d1896216697c7dc0c1;p=libs%2Fgl.git

diff --git a/source/programsyntax.h b/source/programsyntax.h
index c645a60a..9a0cc6ea 100644
--- a/source/programsyntax.h
+++ b/source/programsyntax.h
@@ -5,6 +5,8 @@
 #include <map>
 #include <string>
 #include <vector>
+#include <msp/core/refptr.h>
+#include "extension.h"
 
 namespace Msp {
 namespace GL {
@@ -23,35 +25,13 @@ public:
 	virtual void visit(NodeVisitor &) = 0;
 };
 
-template<typename T>
-class NodePtr
-{
-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; }
-	~NodePtr() { delete node; }
-
-private:
-	static T *clone(T *n) { return n ? n->clone() : 0; }
-
-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; }
-};
-
 struct StructDeclaration;
 struct VariableDeclaration;
+struct FunctionDeclaration;
 
 struct Block: Node
 {
-	std::list<NodePtr<Node> > body;
+	std::list<RefPtr<Node> > body;
 	bool use_braces;
 	std::map<std::string, StructDeclaration *> types;
 	std::map<std::string, VariableDeclaration *> variables;
@@ -77,7 +57,7 @@ struct Literal: Expression
 
 struct ParenthesizedExpression: Expression
 {
-	NodePtr<Expression> expression;
+	RefPtr<Expression> expression;
 
 	virtual ParenthesizedExpression *clone() const { return new ParenthesizedExpression(*this); }
 	virtual void visit(NodeVisitor &);
@@ -96,7 +76,7 @@ struct VariableReference: Expression
 
 struct MemberAccess: Expression
 {
-	NodePtr<Expression> left;
+	RefPtr<Expression> left;
 	std::string member;
 	VariableDeclaration *declaration;
 
@@ -107,7 +87,7 @@ struct MemberAccess: Expression
 struct UnaryExpression: Expression
 {
 	std::string oper;
-	NodePtr<Expression> expression;
+	RefPtr<Expression> expression;
 	bool prefix;
 
 	UnaryExpression();
@@ -118,23 +98,32 @@ struct UnaryExpression: Expression
 
 struct BinaryExpression: Expression
 {
-	NodePtr<Expression> left;
+	RefPtr<Expression> left;
 	std::string oper;
-	NodePtr<Expression> right;
+	RefPtr<Expression> right;
 	std::string after;
-	bool assignment;
-
-	BinaryExpression();
 
 	virtual BinaryExpression *clone() const { return new BinaryExpression(*this); }
 	virtual void visit(NodeVisitor &);
 };
 
+struct Assignment: BinaryExpression
+{
+	bool self_referencing;
+	VariableDeclaration *target_declaration;
+
+	Assignment();
+
+	virtual Assignment *clone() const { return new Assignment(*this); }
+	virtual void visit(NodeVisitor &);
+};
+
 struct FunctionCall: Expression
 {
 	std::string name;
+	FunctionDeclaration *declaration;
 	bool constructor;
-	std::vector<NodePtr<Expression> > arguments;
+	std::vector<RefPtr<Expression> > arguments;
 
 	FunctionCall();
 
@@ -144,12 +133,20 @@ struct FunctionCall: Expression
 
 struct ExpressionStatement: Node
 {
-	NodePtr<Expression> expression;
+	RefPtr<Expression> expression;
 
 	virtual ExpressionStatement *clone() const { return new ExpressionStatement(*this); }
 	virtual void visit(NodeVisitor &);
 };
 
+struct Import: Node
+{
+	std::string module;
+
+	virtual Import *clone() const { return new Import(*this); }
+	virtual void visit(NodeVisitor &);
+};
+
 struct Layout: Node
 {
 	struct Qualifier
@@ -159,12 +156,20 @@ struct Layout: Node
 	};
 
 	std::vector<Qualifier> qualifiers;
-	std::string interface;
 
 	virtual Layout *clone() const { return new Layout(*this); }
 	virtual void visit(NodeVisitor &);
 };
 
+struct InterfaceLayout: Node
+{
+	std::string interface;
+	Layout layout;
+
+	virtual InterfaceLayout *clone() const { return new InterfaceLayout(*this); }
+	virtual void visit(NodeVisitor &);
+};
+
 struct StructDeclaration: Node
 {
 	std::string name;
@@ -185,9 +190,10 @@ struct VariableDeclaration: Node
 	StructDeclaration *type_declaration;
 	std::string name;
 	bool array;
-	NodePtr<Expression> array_size;
-	NodePtr<Expression> init_expression;
+	RefPtr<Expression> array_size;
+	RefPtr<Expression> init_expression;
 	VariableDeclaration *linked_declaration;
+	RefPtr<Layout> layout;
 
 	VariableDeclaration();
 
@@ -200,6 +206,8 @@ struct InterfaceBlock: Node
 	std::string interface;
 	std::string name;
 	Block members;
+	std::string instance_name;
+	bool array;
 
 	InterfaceBlock();
 
@@ -211,11 +219,12 @@ struct FunctionDeclaration: Node
 {
 	std::string return_type;
 	std::string name;
-	std::vector<NodePtr<VariableDeclaration> > parameters;
-	bool definition;
+	std::vector<RefPtr<VariableDeclaration> > parameters;
+	FunctionDeclaration *definition;
 	Block body;
 
 	FunctionDeclaration();
+	FunctionDeclaration(const FunctionDeclaration &);
 
 	virtual FunctionDeclaration *clone() const { return new FunctionDeclaration(*this); }
 	virtual void visit(NodeVisitor &);
@@ -223,7 +232,7 @@ struct FunctionDeclaration: Node
 
 struct Conditional: Node
 {
-	Expression *condition;
+	RefPtr<Expression> condition;
 	Block body;
 	Block else_body;
 
@@ -233,9 +242,9 @@ struct Conditional: Node
 
 struct Iteration: Node
 {
-	NodePtr<Node> init_statement;
-	NodePtr<Expression> condition;
-	NodePtr<Expression> loop_expression;
+	RefPtr<Node> init_statement;
+	RefPtr<Expression> condition;
+	RefPtr<Expression> loop_expression;
 	Block body;
 
 	virtual Iteration *clone() const { return new Iteration(*this); }
@@ -244,7 +253,7 @@ struct Iteration: Node
 
 struct Passthrough: Node
 {
-	NodePtr<Expression> subscript;
+	RefPtr<Expression> subscript;
 
 	virtual Passthrough *clone() const { return new Passthrough(*this); }
 	virtual void visit(NodeVisitor &);
@@ -252,7 +261,7 @@ struct Passthrough: Node
 
 struct Return: Node
 {
-	NodePtr<Expression> expression;
+	RefPtr<Expression> expression;
 
 	virtual Return *clone() const { return new Return(*this); }
 	virtual void visit(NodeVisitor &);
@@ -269,9 +278,12 @@ struct NodeVisitor
 	virtual void visit(MemberAccess &) { }
 	virtual void visit(UnaryExpression &) { }
 	virtual void visit(BinaryExpression &) { }
+	virtual void visit(Assignment &);
 	virtual void visit(FunctionCall &) { }
 	virtual void visit(ExpressionStatement &) { }
+	virtual void visit(Import &) { }
 	virtual void visit(Layout &) { }
+	virtual void visit(InterfaceLayout &) { }
 	virtual void visit(StructDeclaration &) { }
 	virtual void visit(VariableDeclaration &) { }
 	virtual void visit(InterfaceBlock &) { }
@@ -291,6 +303,7 @@ struct TraversingVisitor: NodeVisitor
 	virtual void visit(BinaryExpression &);
 	virtual void visit(FunctionCall &);
 	virtual void visit(ExpressionStatement &);
+	virtual void visit(InterfaceLayout &);
 	virtual void visit(StructDeclaration &);
 	virtual void visit(VariableDeclaration &);
 	virtual void visit(InterfaceBlock &);
@@ -316,6 +329,8 @@ struct Stage
 	ProgramSyntax::Block content;
 	std::map<std::string, VariableDeclaration *> in_variables;
 	std::map<std::string, VariableDeclaration *> out_variables;
+	std::map<std::string, unsigned> locations;
+	Version required_version;
 
 	Stage(StageType);
 };