Record information of the provoking location of a diagnostic

[libs/gl.git] / source / glsl / validate.h

diff --git a/source/glsl/validate.h b/source/glsl/validate.h
index c723b995567f869330d0c4f393278c824c33cab8..9477b67d70cb7a7ecc9acc38ad81e76d81af1c97 100644 (file)
--- a/source/glsl/validate.h
+++ b/source/glsl/validate.h
@@ -14,11 +14,31 @@ 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 TypeValidator: private Validator
+{
+private:
+       bool in_struct;
+
+public:
+       TypeValidator();
+
+       void apply(Stage &s) { stage = &s; s.content.visit(*this); }
+
+private:
+       virtual void visit(BasicTypeDeclaration &);
+       virtual void visit(ImageTypeDeclaration &);
+       virtual void visit(StructDeclaration &);
+       virtual void visit(VariableDeclaration &);
 };
 
 class DeclarationValidator: private Validator
@@ -50,6 +70,35 @@ private:
        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(VariableDeclaration &);
+       virtual void visit(InterfaceBlock &);
+       virtual void visit(FunctionDeclaration &);
+};
+
+class ExpressionValidator: private Validator
+{
+public:
+       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(VariableDeclaration &);
+};
+
 } // namespace SL
 } // namespace GL
 } // namespace Msp