X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;ds=sidebyside;f=source%2Fglsl%2Fvalidate.h;h=f1e3f5126eb8422624524979a8768165b5451396;hb=f2ad2730858046b08e8147297fa01bf3499b86a3;hp=42c74230c4f90637208b4fb9ca42388f82ad123b;hpb=d72d8a9163e342167f35360c807ee9ea5ebacdc2;p=libs%2Fgl.git

diff --git a/source/glsl/validate.h b/source/glsl/validate.h
index 42c74230..f1e3f512 100644
--- a/source/glsl/validate.h
+++ b/source/glsl/validate.h
@@ -14,24 +14,63 @@ class Validator: protected TraversingVisitor
 {
 protected:
 	Stage *stage;
+	Node *last_provoker;
 
 	Validator();
 
-	void diagnose(Statement *, Diagnostic::Severity, const std::string &);
-	void error(Statement *s, const std::string &m) { diagnose(s, Diagnostic::ERR, m); }
+	void diagnose(Node &, Node &, Diagnostic::Severity, const std::string &);
+	void diagnose(Node &n, Diagnostic::Severity s, const std::string &m) { diagnose(n, n, s, m); }
+	void error(Node &n, const std::string &m) { diagnose(n, Diagnostic::ERR, m); }
+	void add_info(Node &, const std::string &);
 };
 
 class DeclarationValidator: private Validator
 {
+private:
+	enum ScopeType
+	{
+		GLOBAL,
+		STRUCT,
+		INTERFACE_BLOCK,
+		FUNCTION_PARAM,
+		FUNCTION
+	};
+
+	ScopeType scope;
+	InterfaceLayout *iface_layout;
+	InterfaceBlock *iface_block;
+	VariableDeclaration *variable;
+
+public:
+	DeclarationValidator();
+
+	void apply(Stage &s) { stage = &s; s.content.visit(*this); }
+
+private:
+	static const char *describe_variable(ScopeType);
+
+	virtual void visit(Layout &);
+	virtual void visit(InterfaceLayout &);
+	virtual void visit(BasicTypeDeclaration &);
+	virtual void visit(ImageTypeDeclaration &);
+	virtual void visit(StructDeclaration &);
+	virtual void visit(VariableDeclaration &);
+	virtual void visit(InterfaceBlock &);
+	virtual void visit(FunctionDeclaration &);
+};
+
+class IdentifierValidator: private Validator
+{
 private:
 	typedef std::map<std::string, Statement *> BlockDeclarationMap;
 
 	std::map<Block *, BlockDeclarationMap> declarations;
 	std::map<std::string, InterfaceBlock *> interface_blocks;
+	std::map<std::string, FunctionDeclaration *> overloaded_functions;
 	bool anonymous_block;
 
 public:
-	DeclarationValidator();
+	IdentifierValidator();
 
 	void apply(Stage &s) { stage = &s; s.content.visit(*this); }
 
@@ -41,11 +80,53 @@ private:
 	void check_definition(const std::string &, Statement &);
 	void record_definition(const std::string &, Statement &);
 
+	virtual void visit(TypeDeclaration &);
+	virtual void visit(BasicTypeDeclaration &t) { visit(static_cast<TypeDeclaration &>(t)); }
+	virtual void visit(ImageTypeDeclaration &t) { visit(static_cast<TypeDeclaration &>(t)); }
+	virtual void visit(StructDeclaration &);
 	virtual void visit(VariableDeclaration &);
 	virtual void visit(InterfaceBlock &);
 	virtual void visit(FunctionDeclaration &);
 };
 
+class ReferenceValidator: private Validator
+{
+public:
+	void apply(Stage &s) { stage = &s; s.content.visit(*this); }
+
+private:
+	virtual void visit(BasicTypeDeclaration &);
+	virtual void visit(ImageTypeDeclaration &);
+	virtual void visit(VariableReference &);
+	virtual void visit(MemberAccess &);
+	virtual void visit(InterfaceBlockReference &);
+	virtual void visit(FunctionCall &);
+	virtual void visit(VariableDeclaration &);
+	virtual void visit(InterfaceBlock &);
+	virtual void visit(FunctionDeclaration &);
+};
+
+class ExpressionValidator: private Validator
+{
+private:
+	FunctionDeclaration *current_function;
+
+public:
+	ExpressionValidator();
+
+	void apply(Stage &s) { stage = &s; s.content.visit(*this); }
+
+private:
+	virtual void visit(Swizzle &);
+	virtual void visit(UnaryExpression &);
+	virtual void visit(BinaryExpression &);
+	virtual void visit(Assignment &);
+	virtual void visit(TernaryExpression &);
+	virtual void visit(VariableDeclaration &);
+	virtual void visit(FunctionDeclaration &);
+	virtual void visit(Return &);
+};
+
 } // namespace SL
 } // namespace GL
 } // namespace Msp