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-rw-r--r--source/slang/visitor.h137
1 files changed, 116 insertions, 21 deletions
diff --git a/source/slang/visitor.h b/source/slang/visitor.h
index 391769eca..eaddc5f32 100644
--- a/source/slang/visitor.h
+++ b/source/slang/visitor.h
@@ -24,8 +24,8 @@ struct ITypeVisitor
#include "object-meta-end.h"
};
-template<typename Derived, typename Result = void>
-struct TypeVisitor : ITypeVisitor
+template<typename Derived, typename Result = void, typename Base = ITypeVisitor>
+struct TypeVisitor : Base
{
Result dispatch(ExpressionType* type)
{
@@ -37,16 +37,24 @@ struct TypeVisitor : ITypeVisitor
#define ABSTRACT_SYNTAX_CLASS(NAME,BASE) /* empty */
#define SYNTAX_CLASS(NAME, BASE) \
virtual void dispatch_##NAME(NAME* obj, void* extra) override \
- { *(Result*)extra = ((Derived*) this)->visit(obj); }
+ { *(Result*)extra = ((Derived*) this)->visit##NAME(obj); }
#include "object-meta-begin.h"
#include "type-defs.h"
#include "object-meta-end.h"
+#define ABSTRACT_SYNTAX_CLASS(NAME,BASE) SYNTAX_CLASS(NAME, BASE)
+#define SYNTAX_CLASS(NAME, BASE) \
+ Result visit##NAME(NAME* obj) \
+ { return ((Derived*) this)->visit##BASE(obj); }
+
+#include "object-meta-begin.h"
+#include "type-defs.h"
+#include "object-meta-end.h"
};
-template<typename Derived>
-struct TypeVisitor<Derived,void> : ITypeVisitor
+template<typename Derived, typename Base>
+struct TypeVisitor<Derived,void,Base> : Base
{
void dispatch(ExpressionType* type)
{
@@ -56,12 +64,20 @@ struct TypeVisitor<Derived,void> : ITypeVisitor
#define ABSTRACT_SYNTAX_CLASS(NAME,BASE) /* empty */
#define SYNTAX_CLASS(NAME, BASE) \
virtual void dispatch_##NAME(NAME* obj, void*) override \
- { ((Derived*) this)->visit(obj); }
+ { ((Derived*) this)->visit##NAME(obj); }
#include "object-meta-begin.h"
#include "type-defs.h"
#include "object-meta-end.h"
+#define ABSTRACT_SYNTAX_CLASS(NAME,BASE) SYNTAX_CLASS(NAME, BASE)
+#define SYNTAX_CLASS(NAME, BASE) \
+ void visit##NAME(NAME* obj) \
+ { ((Derived*) this)->visit##BASE(obj); }
+
+#include "object-meta-begin.h"
+#include "type-defs.h"
+#include "object-meta-end.h"
};
//
@@ -92,12 +108,20 @@ struct ExprVisitor : IExprVisitor
#define ABSTRACT_SYNTAX_CLASS(NAME,BASE) /* empty */
#define SYNTAX_CLASS(NAME, BASE) \
virtual void dispatch_##NAME(NAME* obj, void* extra) override \
- { *(Result*)extra = ((Derived*) this)->visit(obj); }
+ { *(Result*)extra = ((Derived*) this)->visit##NAME(obj); }
#include "object-meta-begin.h"
#include "expr-defs.h"
#include "object-meta-end.h"
+#define ABSTRACT_SYNTAX_CLASS(NAME,BASE) SYNTAX_CLASS(NAME, BASE)
+#define SYNTAX_CLASS(NAME, BASE) \
+ Result visit##NAME(NAME* obj) \
+ { return ((Derived*) this)->visit##BASE(obj); }
+
+#include "object-meta-begin.h"
+#include "expr-defs.h"
+#include "object-meta-end.h"
};
template<typename Derived>
@@ -111,12 +135,20 @@ struct ExprVisitor<Derived,void> : IExprVisitor
#define ABSTRACT_SYNTAX_CLASS(NAME,BASE) /* empty */
#define SYNTAX_CLASS(NAME, BASE) \
virtual void dispatch_##NAME(NAME* obj, void*) override \
- { ((Derived*) this)->visit(obj); }
+ { ((Derived*) this)->visit##NAME(obj); }
#include "object-meta-begin.h"
#include "expr-defs.h"
#include "object-meta-end.h"
+#define ABSTRACT_SYNTAX_CLASS(NAME,BASE) SYNTAX_CLASS(NAME, BASE)
+#define SYNTAX_CLASS(NAME, BASE) \
+ void visit##NAME(NAME* obj) \
+ { ((Derived*) this)->visit##BASE(obj); }
+
+#include "object-meta-begin.h"
+#include "expr-defs.h"
+#include "object-meta-end.h"
};
//
@@ -147,12 +179,20 @@ struct StmtVisitor : IStmtVisitor
#define ABSTRACT_SYNTAX_CLASS(NAME,BASE) /* empty */
#define SYNTAX_CLASS(NAME, BASE) \
virtual void dispatch_##NAME(NAME* obj, void* extra) override \
- { *(Result*)extra = ((Derived*) this)->visit(obj); }
+ { *(Result*)extra = ((Derived*) this)->visit##NAME(obj); }
#include "object-meta-begin.h"
#include "stmt-defs.h"
#include "object-meta-end.h"
+#define ABSTRACT_SYNTAX_CLASS(NAME,BASE) SYNTAX_CLASS(NAME, BASE)
+#define SYNTAX_CLASS(NAME, BASE) \
+ Result visit##NAME(NAME* obj) \
+ { return ((Derived*) this)->visit##BASE(obj); }
+
+#include "object-meta-begin.h"
+#include "stmt-defs.h"
+#include "object-meta-end.h"
};
template<typename Derived>
@@ -166,12 +206,20 @@ struct StmtVisitor<Derived,void> : IStmtVisitor
#define ABSTRACT_SYNTAX_CLASS(NAME,BASE) /* empty */
#define SYNTAX_CLASS(NAME, BASE) \
virtual void dispatch_##NAME(NAME* obj, void*) override \
- { ((Derived*) this)->visit(obj); }
+ { ((Derived*) this)->visit##NAME(obj); }
#include "object-meta-begin.h"
#include "stmt-defs.h"
#include "object-meta-end.h"
+#define ABSTRACT_SYNTAX_CLASS(NAME,BASE) SYNTAX_CLASS(NAME, BASE)
+#define SYNTAX_CLASS(NAME, BASE) \
+ void visit##NAME(NAME* obj) \
+ { ((Derived*) this)->visit##BASE(obj); }
+
+#include "object-meta-begin.h"
+#include "stmt-defs.h"
+#include "object-meta-end.h"
};
//
@@ -202,12 +250,20 @@ struct DeclVisitor : IDeclVisitor
#define ABSTRACT_SYNTAX_CLASS(NAME,BASE) /* empty */
#define SYNTAX_CLASS(NAME, BASE) \
virtual void dispatch_##NAME(NAME* obj, void* extra) override \
- { *(Result*)extra = ((Derived*) this)->visit(obj); }
+ { *(Result*)extra = ((Derived*) this)->visit##NAME(obj); }
#include "object-meta-begin.h"
#include "decl-defs.h"
#include "object-meta-end.h"
+#define ABSTRACT_SYNTAX_CLASS(NAME,BASE) SYNTAX_CLASS(NAME, BASE)
+#define SYNTAX_CLASS(NAME, BASE) \
+ Result visit##NAME(NAME* obj) \
+ { return ((Derived*) this)->visit##BASE(obj); }
+
+#include "object-meta-begin.h"
+#include "decl-defs.h"
+#include "object-meta-end.h"
};
template<typename Derived>
@@ -221,12 +277,20 @@ struct DeclVisitor<Derived,void> : IDeclVisitor
#define ABSTRACT_SYNTAX_CLASS(NAME,BASE) /* empty */
#define SYNTAX_CLASS(NAME, BASE) \
virtual void dispatch_##NAME(NAME* obj, void*) override \
- { ((Derived*) this)->visit(obj); }
+ { ((Derived*) this)->visit##NAME(obj); }
#include "object-meta-begin.h"
#include "decl-defs.h"
#include "object-meta-end.h"
+#define ABSTRACT_SYNTAX_CLASS(NAME,BASE) SYNTAX_CLASS(NAME, BASE)
+#define SYNTAX_CLASS(NAME, BASE) \
+ void visit##NAME(NAME* obj) \
+ { ((Derived*) this)->visit##BASE(obj); }
+
+#include "object-meta-begin.h"
+#include "decl-defs.h"
+#include "object-meta-end.h"
};
//
@@ -257,12 +321,20 @@ struct ModifierVisitor : IModifierVisitor
#define ABSTRACT_SYNTAX_CLASS(NAME,BASE) /* empty */
#define SYNTAX_CLASS(NAME, BASE) \
virtual void dispatch_##NAME(NAME* obj, void* extra) override \
- { *(Result*)extra = ((Derived*) this)->visit(obj); }
+ { *(Result*)extra = ((Derived*) this)->visit##NAME(obj); }
#include "object-meta-begin.h"
#include "modifier-defs.h"
#include "object-meta-end.h"
+#define ABSTRACT_SYNTAX_CLASS(NAME,BASE) SYNTAX_CLASS(NAME, BASE)
+#define SYNTAX_CLASS(NAME, BASE) \
+ Result visit##NAME(NAME* obj) \
+ { return ((Derived*) this)->visit##BASE(obj); }
+
+#include "object-meta-begin.h"
+#include "modifier-defs.h"
+#include "object-meta-end.h"
};
template<typename Derived>
@@ -276,12 +348,20 @@ struct ModifierVisitor<Derived, void> : IModifierVisitor
#define ABSTRACT_SYNTAX_CLASS(NAME,BASE) /* empty */
#define SYNTAX_CLASS(NAME, BASE) \
virtual void dispatch_##NAME(NAME* obj, void*) override \
- { ((Derived*) this)->visit(obj); }
+ { ((Derived*) this)->visit##NAME(obj); }
#include "object-meta-begin.h"
#include "modifier-defs.h"
#include "object-meta-end.h"
+#define ABSTRACT_SYNTAX_CLASS(NAME,BASE) SYNTAX_CLASS(NAME, BASE)
+#define SYNTAX_CLASS(NAME, BASE) \
+ void visit##NAME(NAME* obj) \
+ { ((Derived*) this)->visit##BASE(obj); }
+
+#include "object-meta-begin.h"
+#include "modifier-defs.h"
+#include "object-meta-end.h"
};
//
@@ -299,8 +379,8 @@ struct IValVisitor : ITypeVisitor
#include "object-meta-end.h"
};
-template<typename Derived, typename Result = void>
-struct ValVisitor : IValVisitor
+template<typename Derived, typename Result = void, typename TypeResult = void>
+struct ValVisitor : TypeVisitor<Derived, TypeResult, IValVisitor>
{
Result dispatch(Val* val)
{
@@ -312,17 +392,24 @@ struct ValVisitor : IValVisitor
#define ABSTRACT_SYNTAX_CLASS(NAME,BASE) /* empty */
#define SYNTAX_CLASS(NAME, BASE) \
virtual void dispatch_##NAME(NAME* obj, void* extra) override \
- { *(Result*)extra = ((Derived*) this)->visit(obj); }
+ { *(Result*)extra = ((Derived*) this)->visit##NAME(obj); }
#include "object-meta-begin.h"
#include "val-defs.h"
-#include "type-defs.h"
#include "object-meta-end.h"
+#define ABSTRACT_SYNTAX_CLASS(NAME,BASE) SYNTAX_CLASS(NAME, BASE)
+#define SYNTAX_CLASS(NAME, BASE) \
+ Result visit##NAME(NAME* obj) \
+ { return ((Derived*) this)->visit##BASE(obj); }
+
+#include "object-meta-begin.h"
+#include "val-defs.h"
+#include "object-meta-end.h"
};
template<typename Derived>
-struct ValVisitor<Derived, void> : IValVisitor
+struct ValVisitor<Derived, void, void> : TypeVisitor<Derived, void, IValVisitor>
{
void dispatch(Val* val)
{
@@ -332,11 +419,19 @@ struct ValVisitor<Derived, void> : IValVisitor
#define ABSTRACT_SYNTAX_CLASS(NAME,BASE) /* empty */
#define SYNTAX_CLASS(NAME, BASE) \
virtual void dispatch_##NAME(NAME* obj, void*) override \
- { ((Derived*) this)->visit(obj); }
+ { ((Derived*) this)->visit##NAME(obj); }
+
+#include "object-meta-begin.h"
+#include "val-defs.h"
+#include "object-meta-end.h"
+
+#define ABSTRACT_SYNTAX_CLASS(NAME,BASE) SYNTAX_CLASS(NAME, BASE)
+#define SYNTAX_CLASS(NAME, BASE) \
+ void visit##NAME(NAME* obj) \
+ { ((Derived*) this)->visit##BASE(obj); }
#include "object-meta-begin.h"
#include "val-defs.h"
-#include "type-defs.h"
#include "object-meta-end.h"
};
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