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1 //===--- TokenKinds.h - Enum values for C Token Kinds -----------*- 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 /// \file
11 /// \brief Defines the clang::TokenKind enum and support functions.
12 ///
13 //===----------------------------------------------------------------------===//
14 
15 #ifndef LLVM_CLANG_TOKENKINDS_H
16 #define LLVM_CLANG_TOKENKINDS_H
17 
18 namespace clang {
19 
20 namespace tok {
21 
22 /// \brief Provides a simple uniform namespace for tokens from all C languages.
23 enum TokenKind {
24 #define TOK(X) X,
25 #include "clang/Basic/TokenKinds.def"
26   NUM_TOKENS
27 };
28 
29 /// \brief Provides a namespace for preprocessor keywords which start with a
30 /// '#' at the beginning of the line.
31 enum PPKeywordKind {
32 #define PPKEYWORD(X) pp_##X,
33 #include "clang/Basic/TokenKinds.def"
34   NUM_PP_KEYWORDS
35 };
36 
37 /// \brief Provides a namespace for Objective-C keywords which start with
38 /// an '@'.
39 enum ObjCKeywordKind {
40 #define OBJC1_AT_KEYWORD(X) objc_##X,
41 #define OBJC2_AT_KEYWORD(X) objc_##X,
42 #include "clang/Basic/TokenKinds.def"
43   NUM_OBJC_KEYWORDS
44 };
45 
46 /// \brief Defines the possible values of an on-off-switch (C99 6.10.6p2).
47 enum OnOffSwitch {
48   OOS_ON, OOS_OFF, OOS_DEFAULT
49 };
50 
51 /// \brief Determines the name of a token as used within the front end.
52 ///
53 /// The name of a token will be an internal name (such as "l_square")
54 /// and should not be used as part of diagnostic messages.
55 const char *getTokenName(enum TokenKind Kind);
56 
57 /// \brief Determines the spelling of simple punctuation tokens like
58 /// '!' or '%', and returns NULL for literal and annotation tokens.
59 ///
60 /// This routine only retrieves the "simple" spelling of the token,
61 /// and will not produce any alternative spellings (e.g., a
62 /// digraph). For the actual spelling of a given Token, use
63 /// Preprocessor::getSpelling().
64 const char *getTokenSimpleSpelling(enum TokenKind Kind);
65 
66 }  // end namespace tok
67 }  // end namespace clang
68 
69 #endif
70