X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Fglsl%2Fvalidate.h;h=f1e3f5126eb8422624524979a8768165b5451396;hb=7a41f6dcc1339a4a2dda2207b6b051f20c09a239;hp=bf2677e8d1cd993f67a5fa1936c4aeb37c0f32f1;hpb=9bec9da4ec633a541cf6048beed99629fefae2b9;p=libs%2Fgl.git

diff --git a/source/glsl/validate.h b/source/glsl/validate.h
index bf2677e8..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(Node &, Diagnostic::Severity, const std::string &);
+	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); }
 
@@ -56,9 +95,36 @@ 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