ParsePragma.h revision 263508 
1//===---- ParserPragmas.h - Language specific pragmas -----------*- C++ -*-===//
2//
3//                     The LLVM Compiler Infrastructure
4//
5// This file is distributed under the University of Illinois Open Source
6// License. See LICENSE.TXT for details.
7//
8//===----------------------------------------------------------------------===//
9//
10// This file defines #pragma handlers for language specific pragmas.
11//
12//===----------------------------------------------------------------------===//
13
14#ifndef LLVM_CLANG_PARSE_PARSEPRAGMA_H
15#define LLVM_CLANG_PARSE_PARSEPRAGMA_H
16
17#include "clang/Lex/Pragma.h"
18
19namespace clang {
20  class Sema;
21  class Parser;
22
23class PragmaAlignHandler : public PragmaHandler {
24public:
25  explicit PragmaAlignHandler() : PragmaHandler("align") {}
26
27  virtual void HandlePragma(Preprocessor &PP, PragmaIntroducerKind Introducer,
28                            Token &FirstToken);
29};
30
31class PragmaGCCVisibilityHandler : public PragmaHandler {
32public:
33  explicit PragmaGCCVisibilityHandler() : PragmaHandler("visibility") {}
34
35  virtual void HandlePragma(Preprocessor &PP, PragmaIntroducerKind Introducer,
36                            Token &FirstToken);
37};
38
39class PragmaOptionsHandler : public PragmaHandler {
40public:
41  explicit PragmaOptionsHandler() : PragmaHandler("options") {}
42
43  virtual void HandlePragma(Preprocessor &PP, PragmaIntroducerKind Introducer,
44                            Token &FirstToken);
45};
46
47class PragmaPackHandler : public PragmaHandler {
48public:
49  explicit PragmaPackHandler() : PragmaHandler("pack") {}
50
51  virtual void HandlePragma(Preprocessor &PP, PragmaIntroducerKind Introducer,
52                            Token &FirstToken);
53};
54
55class PragmaMSStructHandler : public PragmaHandler {
56public:
57  explicit PragmaMSStructHandler() : PragmaHandler("ms_struct") {}
58
59  virtual void HandlePragma(Preprocessor &PP, PragmaIntroducerKind Introducer,
60                            Token &FirstToken);
61};
62
63class PragmaUnusedHandler : public PragmaHandler {
64public:
65  PragmaUnusedHandler() : PragmaHandler("unused") {}
66
67  virtual void HandlePragma(Preprocessor &PP, PragmaIntroducerKind Introducer,
68                            Token &FirstToken);
69};
70
71class PragmaWeakHandler : public PragmaHandler {
72public:
73  explicit PragmaWeakHandler() : PragmaHandler("weak") {}
74
75  virtual void HandlePragma(Preprocessor &PP, PragmaIntroducerKind Introducer,
76                            Token &FirstToken);
77};
78
79class PragmaRedefineExtnameHandler : public PragmaHandler {
80public:
81  explicit PragmaRedefineExtnameHandler() : PragmaHandler("redefine_extname") {}
82
83  virtual void HandlePragma(Preprocessor &PP, PragmaIntroducerKind Introducer,
84                            Token &FirstToken);
85};
86
87class PragmaOpenCLExtensionHandler : public PragmaHandler {
88public:
89  PragmaOpenCLExtensionHandler() : PragmaHandler("EXTENSION") {}
90  virtual void HandlePragma(Preprocessor &PP, PragmaIntroducerKind Introducer,
91                            Token &FirstToken);
92};
93
94
95class PragmaFPContractHandler : public PragmaHandler {
96public:
97  PragmaFPContractHandler() : PragmaHandler("FP_CONTRACT") {}
98  virtual void HandlePragma(Preprocessor &PP, PragmaIntroducerKind Introducer,
99                            Token &FirstToken);
100};
101
102class PragmaNoOpenMPHandler : public PragmaHandler {
103public:
104  PragmaNoOpenMPHandler() : PragmaHandler("omp") { }
105  virtual void HandlePragma(Preprocessor &PP, PragmaIntroducerKind Introducer,
106                            Token &FirstToken);
107};
108
109class PragmaOpenMPHandler : public PragmaHandler {
110public:
111  PragmaOpenMPHandler() : PragmaHandler("omp") { }
112  virtual void HandlePragma(Preprocessor &PP, PragmaIntroducerKind Introducer,
113                            Token &FirstToken);
114};
115
116/// PragmaCommentHandler - "\#pragma comment ...".
117class PragmaCommentHandler : public PragmaHandler {
118public:
119  PragmaCommentHandler(Sema &Actions)
120    : PragmaHandler("comment"), Actions(Actions) {}
121  virtual void HandlePragma(Preprocessor &PP, PragmaIntroducerKind Introducer,
122                            Token &FirstToken);
123private:
124  Sema &Actions;
125};
126
127class PragmaDetectMismatchHandler : public PragmaHandler {
128public:
129  PragmaDetectMismatchHandler(Sema &Actions)
130    : PragmaHandler("detect_mismatch"), Actions(Actions) {}
131  virtual void HandlePragma(Preprocessor &PP, PragmaIntroducerKind Introducer,
132                            Token &FirstToken);
133private:
134  Sema &Actions;
135};
136
137}  // end namespace clang
138
139#endif
140