TypeLocVisitor.h source code [clang_source_code/include/clang/AST/TypeLocVisitor.h]

1	//===--- TypeLocVisitor.h - Visitor for TypeLoc subclasses ------- C++ --===//
2	//
3	// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4	// See https://llvm.org/LICENSE.txt for license information.
5	// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6	//
7	//===----------------------------------------------------------------------===//
8	//
9	// This file defines the TypeLocVisitor interface.
10	//
11	//===----------------------------------------------------------------------===//
12	#ifndef LLVM_CLANG_AST_TYPELOCVISITOR_H
13	#define LLVM_CLANG_AST_TYPELOCVISITOR_H
14
15	#include "clang/AST/TypeLoc.h"
16	#include "clang/AST/TypeVisitor.h"
17	#include "llvm/Support/ErrorHandling.h"
18
19	namespace clang {
20
21	#define DISPATCH(CLASSNAME) \
22	return static_cast<ImplClass*>(this)-> \
23	Visit##CLASSNAME(TyLoc.castAs<CLASSNAME>())
24
25	template<typename ImplClass, typename RetTy=void>
26	class TypeLocVisitor {
27	public:
28	RetTy Visit(TypeLoc TyLoc) {
29	switch (TyLoc.getTypeLocClass()) {
30	#define ABSTRACT_TYPELOC(CLASS, PARENT)
31	#define TYPELOC(CLASS, PARENT) \
32	case TypeLoc::CLASS: DISPATCH(CLASS##TypeLoc);
33	#include "clang/AST/TypeLocNodes.def"
34	}
35	llvm_unreachable("unexpected type loc class!");
36	}
37
38	RetTy Visit(UnqualTypeLoc TyLoc) {
39	switch (TyLoc.getTypeLocClass()) {
40	#define ABSTRACT_TYPELOC(CLASS, PARENT)
41	#define TYPELOC(CLASS, PARENT) \
42	case TypeLoc::CLASS: DISPATCH(CLASS##TypeLoc);
43	#include "clang/AST/TypeLocNodes.def"
44	}
45	llvm_unreachable("unexpected type loc class!");
46	}
47
48	#define TYPELOC(CLASS, PARENT) \
49	RetTy Visit##CLASS##TypeLoc(CLASS##TypeLoc TyLoc) { \
50	DISPATCH(PARENT); \
51	}
52	#include "clang/AST/TypeLocNodes.def"
53
54	RetTy VisitTypeLoc(TypeLoc TyLoc) { return RetTy(); }
55	};
56
57	#undef DISPATCH
58
59	} // end namespace clang
60
61	#endif // LLVM_CLANG_AST_TYPELOCVISITOR_H
62

clang::TypeLocVisitor::Visit

clang::TypeLocVisitor::VisitTypeLoc

Clang Project