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1d6fa33f | 1 | /* Definitions for CPP library. |
8e8f6434 | 2 | Copyright (C) 1995-2018 Free Software Foundation, Inc. |
1d6fa33f | 3 | Written by Per Bothner, 1994-95. |
4 | ||
5 | This program is free software; you can redistribute it and/or modify it | |
6 | under the terms of the GNU General Public License as published by the | |
6bc9506f | 7 | Free Software Foundation; either version 3, or (at your option) any |
1d6fa33f | 8 | later version. |
9 | ||
10 | This program is distributed in the hope that it will be useful, | |
11 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
13 | GNU General Public License for more details. | |
14 | ||
15 | You should have received a copy of the GNU General Public License | |
6bc9506f | 16 | along with this program; see the file COPYING3. If not see |
17 | <http://www.gnu.org/licenses/>. | |
1d6fa33f | 18 | |
19 | In other words, you are welcome to use, share and improve this program. | |
20 | You are forbidden to forbid anyone else to use, share and improve | |
21 | what you give them. Help stamp out software-hoarding! */ | |
d856c8a6 | 22 | #ifndef LIBCPP_CPPLIB_H |
23 | #define LIBCPP_CPPLIB_H | |
1d6fa33f | 24 | |
25 | #include <sys/types.h> | |
d856c8a6 | 26 | #include "symtab.h" |
38692459 | 27 | #include "line-map.h" |
1d6fa33f | 28 | |
1d6fa33f | 29 | typedef struct cpp_reader cpp_reader; |
30 | typedef struct cpp_buffer cpp_buffer; | |
31 | typedef struct cpp_options cpp_options; | |
50fd6b48 | 32 | typedef struct cpp_token cpp_token; |
76faa4c0 | 33 | typedef struct cpp_string cpp_string; |
614e0ab7 | 34 | typedef struct cpp_hashnode cpp_hashnode; |
79bd622b | 35 | typedef struct cpp_macro cpp_macro; |
72b04ca4 | 36 | typedef struct cpp_callbacks cpp_callbacks; |
1824e2bd | 37 | typedef struct cpp_dir cpp_dir; |
79bd622b | 38 | |
065e625b | 39 | struct _cpp_file; |
6060326b | 40 | |
87215b90 | 41 | /* The first three groups, apart from '=', can appear in preprocessor |
42 | expressions (+= and -= are used to indicate unary + and - resp.). | |
43 | This allows a lookup table to be implemented in _cpp_parse_expr. | |
6060326b | 44 | |
45 | The first group, to CPP_LAST_EQ, can be immediately followed by an | |
46 | '='. The lexer needs operators ending in '=', like ">>=", to be in | |
e58c07f7 | 47 | the same order as their counterparts without the '=', like ">>". |
48 | ||
49 | See the cpp_operator table optab in expr.c if you change the order or | |
50 | add or remove anything in the first group. */ | |
6060326b | 51 | |
d6d3c909 | 52 | #define TTYPE_TABLE \ |
53 | OP(EQ, "=") \ | |
54 | OP(NOT, "!") \ | |
55 | OP(GREATER, ">") /* compare */ \ | |
56 | OP(LESS, "<") \ | |
57 | OP(PLUS, "+") /* math */ \ | |
58 | OP(MINUS, "-") \ | |
59 | OP(MULT, "*") \ | |
60 | OP(DIV, "/") \ | |
61 | OP(MOD, "%") \ | |
62 | OP(AND, "&") /* bit ops */ \ | |
63 | OP(OR, "|") \ | |
64 | OP(XOR, "^") \ | |
65 | OP(RSHIFT, ">>") \ | |
66 | OP(LSHIFT, "<<") \ | |
d6d3c909 | 67 | \ |
68 | OP(COMPL, "~") \ | |
69 | OP(AND_AND, "&&") /* logical */ \ | |
70 | OP(OR_OR, "||") \ | |
71 | OP(QUERY, "?") \ | |
72 | OP(COLON, ":") \ | |
73 | OP(COMMA, ",") /* grouping */ \ | |
74 | OP(OPEN_PAREN, "(") \ | |
75 | OP(CLOSE_PAREN, ")") \ | |
76 | TK(EOF, NONE) \ | |
77 | OP(EQ_EQ, "==") /* compare */ \ | |
78 | OP(NOT_EQ, "!=") \ | |
79 | OP(GREATER_EQ, ">=") \ | |
80 | OP(LESS_EQ, "<=") \ | |
81 | \ | |
82 | /* These two are unary + / - in preprocessor expressions. */ \ | |
83 | OP(PLUS_EQ, "+=") /* math */ \ | |
84 | OP(MINUS_EQ, "-=") \ | |
85 | \ | |
86 | OP(MULT_EQ, "*=") \ | |
87 | OP(DIV_EQ, "/=") \ | |
88 | OP(MOD_EQ, "%=") \ | |
89 | OP(AND_EQ, "&=") /* bit ops */ \ | |
90 | OP(OR_EQ, "|=") \ | |
91 | OP(XOR_EQ, "^=") \ | |
92 | OP(RSHIFT_EQ, ">>=") \ | |
93 | OP(LSHIFT_EQ, "<<=") \ | |
d6d3c909 | 94 | /* Digraphs together, beginning with CPP_FIRST_DIGRAPH. */ \ |
95 | OP(HASH, "#") /* digraphs */ \ | |
96 | OP(PASTE, "##") \ | |
97 | OP(OPEN_SQUARE, "[") \ | |
98 | OP(CLOSE_SQUARE, "]") \ | |
99 | OP(OPEN_BRACE, "{") \ | |
100 | OP(CLOSE_BRACE, "}") \ | |
101 | /* The remainder of the punctuation. Order is not significant. */ \ | |
102 | OP(SEMICOLON, ";") /* structure */ \ | |
103 | OP(ELLIPSIS, "...") \ | |
104 | OP(PLUS_PLUS, "++") /* increment */ \ | |
105 | OP(MINUS_MINUS, "--") \ | |
106 | OP(DEREF, "->") /* accessors */ \ | |
107 | OP(DOT, ".") \ | |
108 | OP(SCOPE, "::") \ | |
109 | OP(DEREF_STAR, "->*") \ | |
110 | OP(DOT_STAR, ".*") \ | |
111 | OP(ATSIGN, "@") /* used in Objective-C */ \ | |
112 | \ | |
113 | TK(NAME, IDENT) /* word */ \ | |
114 | TK(AT_NAME, IDENT) /* @word - Objective-C */ \ | |
115 | TK(NUMBER, LITERAL) /* 34_be+ta */ \ | |
116 | \ | |
117 | TK(CHAR, LITERAL) /* 'char' */ \ | |
118 | TK(WCHAR, LITERAL) /* L'char' */ \ | |
924bbf02 | 119 | TK(CHAR16, LITERAL) /* u'char' */ \ |
120 | TK(CHAR32, LITERAL) /* U'char' */ \ | |
30b1ba42 | 121 | TK(UTF8CHAR, LITERAL) /* u8'char' */ \ |
d6d3c909 | 122 | TK(OTHER, LITERAL) /* stray punctuation */ \ |
123 | \ | |
124 | TK(STRING, LITERAL) /* "string" */ \ | |
125 | TK(WSTRING, LITERAL) /* L"string" */ \ | |
924bbf02 | 126 | TK(STRING16, LITERAL) /* u"string" */ \ |
127 | TK(STRING32, LITERAL) /* U"string" */ \ | |
538ba11a | 128 | TK(UTF8STRING, LITERAL) /* u8"string" */ \ |
d6d3c909 | 129 | TK(OBJC_STRING, LITERAL) /* @"string" - Objective-C */ \ |
130 | TK(HEADER_NAME, LITERAL) /* <stdio.h> in #include */ \ | |
131 | \ | |
244db24d | 132 | TK(CHAR_USERDEF, LITERAL) /* 'char'_suffix - C++-0x */ \ |
133 | TK(WCHAR_USERDEF, LITERAL) /* L'char'_suffix - C++-0x */ \ | |
134 | TK(CHAR16_USERDEF, LITERAL) /* u'char'_suffix - C++-0x */ \ | |
135 | TK(CHAR32_USERDEF, LITERAL) /* U'char'_suffix - C++-0x */ \ | |
30b1ba42 | 136 | TK(UTF8CHAR_USERDEF, LITERAL) /* u8'char'_suffix - C++-0x */ \ |
244db24d | 137 | TK(STRING_USERDEF, LITERAL) /* "string"_suffix - C++-0x */ \ |
138 | TK(WSTRING_USERDEF, LITERAL) /* L"string"_suffix - C++-0x */ \ | |
139 | TK(STRING16_USERDEF, LITERAL) /* u"string"_suffix - C++-0x */ \ | |
140 | TK(STRING32_USERDEF, LITERAL) /* U"string"_suffix - C++-0x */ \ | |
141 | TK(UTF8STRING_USERDEF,LITERAL) /* u8"string"_suffix - C++-0x */ \ | |
142 | \ | |
d6d3c909 | 143 | TK(COMMENT, LITERAL) /* Only if output comments. */ \ |
144 | /* SPELL_LITERAL happens to DTRT. */ \ | |
145 | TK(MACRO_ARG, NONE) /* Macro argument. */ \ | |
b75b98aa | 146 | TK(PRAGMA, NONE) /* Only for deferred pragmas. */ \ |
147 | TK(PRAGMA_EOL, NONE) /* End-of-line for deferred pragmas. */ \ | |
d6d3c909 | 148 | TK(PADDING, NONE) /* Whitespace for -E. */ |
149 | ||
150 | #define OP(e, s) CPP_ ## e, | |
151 | #define TK(e, s) CPP_ ## e, | |
82831e19 | 152 | enum cpp_ttype |
d2e850c1 | 153 | { |
50fd6b48 | 154 | TTYPE_TABLE |
d6d3c909 | 155 | N_TTYPES, |
156 | ||
5213d6c9 | 157 | /* A token type for keywords, as opposed to ordinary identifiers. */ |
158 | CPP_KEYWORD, | |
159 | ||
d6d3c909 | 160 | /* Positions in the table. */ |
e58c07f7 | 161 | CPP_LAST_EQ = CPP_LSHIFT, |
d6d3c909 | 162 | CPP_FIRST_DIGRAPH = CPP_HASH, |
e58c07f7 | 163 | CPP_LAST_PUNCTUATOR= CPP_ATSIGN, |
d6d3c909 | 164 | CPP_LAST_CPP_OP = CPP_LESS_EQ |
50fd6b48 | 165 | }; |
7e842f95 | 166 | #undef OP |
167 | #undef TK | |
50fd6b48 | 168 | |
d862067c | 169 | /* C language kind, used when calling cpp_create_reader. */ |
a0f44249 | 170 | enum c_lang {CLK_GNUC89 = 0, CLK_GNUC99, CLK_GNUC11, CLK_GNUC17, |
171 | CLK_STDC89, CLK_STDC94, CLK_STDC99, CLK_STDC11, CLK_STDC17, | |
1638c736 | 172 | CLK_GNUCXX, CLK_CXX98, CLK_GNUCXX11, CLK_CXX11, |
96bf2948 | 173 | CLK_GNUCXX14, CLK_CXX14, CLK_GNUCXX17, CLK_CXX17, |
174 | CLK_GNUCXX2A, CLK_CXX2A, CLK_ASM}; | |
fad0ffbb | 175 | |
e484a1cc | 176 | /* Payload of a NUMBER, STRING, CHAR or COMMENT token. */ |
fb1e4f4a | 177 | struct GTY(()) cpp_string { |
50fd6b48 | 178 | unsigned int len; |
e916a356 | 179 | const unsigned char *text; |
50fd6b48 | 180 | }; |
181 | ||
6060326b | 182 | /* Flags for the cpp_token structure. */ |
f80e83a9 | 183 | #define PREV_WHITE (1 << 0) /* If whitespace before this token. */ |
79bd622b | 184 | #define DIGRAPH (1 << 1) /* If it was a digraph. */ |
185 | #define STRINGIFY_ARG (1 << 2) /* If macro argument to be stringified. */ | |
186 | #define PASTE_LEFT (1 << 3) /* If on LHS of a ## operator. */ | |
fad0ffbb | 187 | #define NAMED_OP (1 << 4) /* C++ named operators. */ |
3c77f69c | 188 | #define PREV_FALLTHROUGH (1 << 5) /* On a token preceeded by FALLTHROUGH |
189 | comment. */ | |
f9b5f742 | 190 | #define BOL (1 << 6) /* Token at beginning of line. */ |
8dba02f7 | 191 | #define PURE_ZERO (1 << 7) /* Single 0 digit, used by the C++ frontend, |
192 | set in c-lex.c. */ | |
941f2388 | 193 | #define SP_DIGRAPH (1 << 8) /* # or ## token was a digraph. */ |
194 | #define SP_PREV_WHITE (1 << 9) /* If whitespace before a ## | |
195 | operator, or before this token | |
196 | after a # operator. */ | |
3c77f69c | 197 | #define NO_EXPAND (1 << 10) /* Do not macro-expand this token. */ |
2c63d6c8 | 198 | |
c39ed964 | 199 | /* Specify which field, if any, of the cpp_token union is used. */ |
200 | ||
201 | enum cpp_token_fld_kind { | |
202 | CPP_TOKEN_FLD_NODE, | |
203 | CPP_TOKEN_FLD_SOURCE, | |
204 | CPP_TOKEN_FLD_STR, | |
205 | CPP_TOKEN_FLD_ARG_NO, | |
2ee04baa | 206 | CPP_TOKEN_FLD_TOKEN_NO, |
b75b98aa | 207 | CPP_TOKEN_FLD_PRAGMA, |
c39ed964 | 208 | CPP_TOKEN_FLD_NONE |
209 | }; | |
210 | ||
2ee04baa | 211 | /* A macro argument in the cpp_token union. */ |
212 | struct GTY(()) cpp_macro_arg { | |
213 | /* Argument number. */ | |
214 | unsigned int arg_no; | |
109ca87a | 215 | /* The original spelling of the macro argument token. */ |
216 | cpp_hashnode * | |
217 | GTY ((nested_ptr (union tree_node, | |
218 | "%h ? CPP_HASHNODE (GCC_IDENT_TO_HT_IDENT (%h)) : NULL", | |
219 | "%h ? HT_IDENT_TO_GCC_IDENT (HT_NODE (%h)) : NULL"))) | |
220 | spelling; | |
2ee04baa | 221 | }; |
222 | ||
223 | /* An identifier in the cpp_token union. */ | |
224 | struct GTY(()) cpp_identifier { | |
225 | /* The canonical (UTF-8) spelling of the identifier. */ | |
226 | cpp_hashnode * | |
227 | GTY ((nested_ptr (union tree_node, | |
228 | "%h ? CPP_HASHNODE (GCC_IDENT_TO_HT_IDENT (%h)) : NULL", | |
229 | "%h ? HT_IDENT_TO_GCC_IDENT (HT_NODE (%h)) : NULL"))) | |
230 | node; | |
109ca87a | 231 | /* The original spelling of the identifier. */ |
232 | cpp_hashnode * | |
233 | GTY ((nested_ptr (union tree_node, | |
234 | "%h ? CPP_HASHNODE (GCC_IDENT_TO_HT_IDENT (%h)) : NULL", | |
235 | "%h ? HT_IDENT_TO_GCC_IDENT (HT_NODE (%h)) : NULL"))) | |
236 | spelling; | |
2ee04baa | 237 | }; |
238 | ||
58dd1ce6 | 239 | /* A preprocessing token. This has been carefully packed and should |
c7e5d924 | 240 | occupy 16 bytes on 32-bit hosts and 24 bytes on 64-bit hosts. */ |
fb1e4f4a | 241 | struct GTY(()) cpp_token { |
a96cefb2 | 242 | source_location src_loc; /* Location of first char of token, |
243 | together with range of full token. */ | |
f80e83a9 | 244 | ENUM_BITFIELD(cpp_ttype) type : CHAR_BIT; /* token type */ |
941f2388 | 245 | unsigned short flags; /* flags - see above */ |
f80e83a9 | 246 | |
c39ed964 | 247 | union cpp_token_u |
50fd6b48 | 248 | { |
c39ed964 | 249 | /* An identifier. */ |
2ee04baa | 250 | struct cpp_identifier GTY ((tag ("CPP_TOKEN_FLD_NODE"))) node; |
c39ed964 | 251 | |
252 | /* Inherit padding from this token. */ | |
253 | cpp_token * GTY ((tag ("CPP_TOKEN_FLD_SOURCE"))) source; | |
254 | ||
255 | /* A string, or number. */ | |
256 | struct cpp_string GTY ((tag ("CPP_TOKEN_FLD_STR"))) str; | |
257 | ||
109ca87a | 258 | /* Argument no. (and original spelling) for a CPP_MACRO_ARG. */ |
2ee04baa | 259 | struct cpp_macro_arg GTY ((tag ("CPP_TOKEN_FLD_ARG_NO"))) macro_arg; |
260 | ||
261 | /* Original token no. for a CPP_PASTE (from a sequence of | |
262 | consecutive paste tokens in a macro expansion). */ | |
263 | unsigned int GTY ((tag ("CPP_TOKEN_FLD_TOKEN_NO"))) token_no; | |
b75b98aa | 264 | |
265 | /* Caller-supplied identifier for a CPP_PRAGMA. */ | |
266 | unsigned int GTY ((tag ("CPP_TOKEN_FLD_PRAGMA"))) pragma; | |
c39ed964 | 267 | } GTY ((desc ("cpp_token_val_index (&%1)"))) val; |
1d6fa33f | 268 | }; |
269 | ||
c39ed964 | 270 | /* Say which field is in use. */ |
da31536d | 271 | extern enum cpp_token_fld_kind cpp_token_val_index (const cpp_token *tok); |
c39ed964 | 272 | |
13c457e1 | 273 | /* A type wide enough to hold any multibyte source character. |
40855b30 | 274 | cpplib's character constant interpreter requires an unsigned type. |
69edc0b3 | 275 | Also, a typedef for the signed equivalent. |
276 | The width of this type is capped at 32 bits; there do exist targets | |
277 | where wchar_t is 64 bits, but only in a non-default mode, and there | |
278 | would be no meaningful interpretation for a wchar_t value greater | |
279 | than 2^32 anyway -- the widest wide-character encoding around is | |
280 | ISO 10646, which stops at 2^31. */ | |
281 | #if CHAR_BIT * SIZEOF_INT >= 32 | |
40855b30 | 282 | # define CPPCHAR_SIGNED_T int |
69edc0b3 | 283 | #elif CHAR_BIT * SIZEOF_LONG >= 32 |
284 | # define CPPCHAR_SIGNED_T long | |
40855b30 | 285 | #else |
69edc0b3 | 286 | # error "Cannot find a least-32-bit signed integer type" |
40855b30 | 287 | #endif |
288 | typedef unsigned CPPCHAR_SIGNED_T cppchar_t; | |
289 | typedef CPPCHAR_SIGNED_T cppchar_signed_t; | |
338fa5f7 | 290 | |
3b298764 | 291 | /* Style of header dependencies to generate. */ |
292 | enum cpp_deps_style { DEPS_NONE = 0, DEPS_USER, DEPS_SYSTEM }; | |
293 | ||
bce47149 | 294 | /* The possible normalization levels, from most restrictive to least. */ |
295 | enum cpp_normalize_level { | |
296 | /* In NFKC. */ | |
297 | normalized_KC = 0, | |
298 | /* In NFC. */ | |
299 | normalized_C, | |
300 | /* In NFC, except for subsequences where being in NFC would make | |
301 | the identifier invalid. */ | |
302 | normalized_identifier_C, | |
303 | /* Not normalized at all. */ | |
304 | normalized_none | |
305 | }; | |
306 | ||
2ff3ad1d | 307 | /* This structure is nested inside struct cpp_reader, and |
308 | carries all the options visible to the command line. */ | |
309 | struct cpp_options | |
e2fba115 | 310 | { |
3b304865 | 311 | /* Characters between tab stops. */ |
312 | unsigned int tabstop; | |
313 | ||
5db5d057 | 314 | /* The language we're preprocessing. */ |
315 | enum c_lang lang; | |
316 | ||
1d6fa33f | 317 | /* Nonzero means use extra default include directories for C++. */ |
2ff3ad1d | 318 | unsigned char cplusplus; |
1d6fa33f | 319 | |
8b332087 | 320 | /* Nonzero means handle cplusplus style comments. */ |
2ff3ad1d | 321 | unsigned char cplusplus_comments; |
1d6fa33f | 322 | |
fb9753dc | 323 | /* Nonzero means define __OBJC__, treat @ as a special token, use |
324 | the OBJC[PLUS]_INCLUDE_PATH environment variable, and allow | |
325 | "#import". */ | |
2ff3ad1d | 326 | unsigned char objc; |
1d6fa33f | 327 | |
0f0b3789 | 328 | /* Nonzero means don't copy comments into the output file. */ |
2ff3ad1d | 329 | unsigned char discard_comments; |
1d6fa33f | 330 | |
d3f7919d | 331 | /* Nonzero means don't copy comments into the output file during |
332 | macro expansion. */ | |
333 | unsigned char discard_comments_in_macro_exp; | |
334 | ||
f80e83a9 | 335 | /* Nonzero means process the ISO trigraph sequences. */ |
2ff3ad1d | 336 | unsigned char trigraphs; |
1d6fa33f | 337 | |
27fdc0b6 | 338 | /* Nonzero means process the ISO digraph sequences. */ |
339 | unsigned char digraphs; | |
340 | ||
5db5d057 | 341 | /* Nonzero means to allow hexadecimal floats and LL suffixes. */ |
342 | unsigned char extended_numbers; | |
343 | ||
924bbf02 | 344 | /* Nonzero means process u/U prefix literals (UTF-16/32). */ |
345 | unsigned char uliterals; | |
346 | ||
30b1ba42 | 347 | /* Nonzero means process u8 prefixed character literals (UTF-8). */ |
348 | unsigned char utf8_char_literals; | |
349 | ||
094a55ba | 350 | /* Nonzero means process r/R raw strings. If this is set, uliterals |
6f6f3dd7 | 351 | must be set as well. */ |
352 | unsigned char rliterals; | |
353 | ||
1d6fa33f | 354 | /* Nonzero means print names of header files (-H). */ |
2ff3ad1d | 355 | unsigned char print_include_names; |
1d6fa33f | 356 | |
922df727 | 357 | /* Nonzero means complain about deprecated features. */ |
5ae82d58 | 358 | unsigned char cpp_warn_deprecated; |
922df727 | 359 | |
1d6fa33f | 360 | /* Nonzero means warn if slash-star appears in a comment. */ |
2ff3ad1d | 361 | unsigned char warn_comments; |
1d6fa33f | 362 | |
9148bda3 | 363 | /* Nonzero means to warn about __DATA__, __TIME__ and __TIMESTAMP__ usage. */ |
364 | unsigned char warn_date_time; | |
365 | ||
06fd18c9 | 366 | /* Nonzero means warn if a user-supplied include directory does not |
367 | exist. */ | |
368 | unsigned char warn_missing_include_dirs; | |
369 | ||
1d6fa33f | 370 | /* Nonzero means warn if there are any trigraphs. */ |
2ff3ad1d | 371 | unsigned char warn_trigraphs; |
1d6fa33f | 372 | |
318fdd81 | 373 | /* Nonzero means warn about multicharacter charconsts. */ |
374 | unsigned char warn_multichar; | |
375 | ||
241e762e | 376 | /* Nonzero means warn about various incompatibilities with |
377 | traditional C. */ | |
5ae82d58 | 378 | unsigned char cpp_warn_traditional; |
1d6fa33f | 379 | |
4baf0479 | 380 | /* Nonzero means warn about long long numeric constants. */ |
5ae82d58 | 381 | unsigned char cpp_warn_long_long; |
4baf0479 | 382 | |
923acdd5 | 383 | /* Nonzero means warn about text after an #endif (or #else). */ |
384 | unsigned char warn_endif_labels; | |
385 | ||
21d6e4ae | 386 | /* Nonzero means warn about implicit sign changes owing to integer |
387 | promotions. */ | |
388 | unsigned char warn_num_sign_change; | |
389 | ||
05d51900 | 390 | /* Zero means don't warn about __VA_ARGS__ usage in c89 pedantic mode. |
391 | Presumably the usage is protected by the appropriate #ifdef. */ | |
392 | unsigned char warn_variadic_macros; | |
393 | ||
2ad0b097 | 394 | /* Nonzero means warn about builtin macros that are redefined or |
395 | explicitly undefined. */ | |
396 | unsigned char warn_builtin_macro_redefined; | |
397 | ||
12663602 | 398 | /* Different -Wimplicit-fallthrough= levels. */ |
399 | unsigned char cpp_warn_implicit_fallthrough; | |
400 | ||
68215e49 | 401 | /* Nonzero means we should look for header.gcc files that remap file |
402 | names. */ | |
2ff3ad1d | 403 | unsigned char remap; |
68215e49 | 404 | |
a7dce381 | 405 | /* Zero means dollar signs are punctuation. */ |
2ff3ad1d | 406 | unsigned char dollars_in_ident; |
1d6fa33f | 407 | |
865c4e44 | 408 | /* Nonzero means UCNs are accepted in identifiers. */ |
409 | unsigned char extended_identifiers; | |
410 | ||
f0c2775b | 411 | /* True if we should warn about dollars in identifiers or numbers |
412 | for this translation unit. */ | |
413 | unsigned char warn_dollars; | |
414 | ||
d6f5f355 | 415 | /* Nonzero means warn if undefined identifiers are evaluated in an #if. */ |
2ff3ad1d | 416 | unsigned char warn_undef; |
d6f5f355 | 417 | |
6e47b422 | 418 | /* Nonzero means warn if "defined" is encountered in a place other than |
419 | an #if. */ | |
420 | unsigned char warn_expansion_to_defined; | |
421 | ||
71a7c282 | 422 | /* Nonzero means warn of unused macros from the main file. */ |
423 | unsigned char warn_unused_macros; | |
424 | ||
85fc7e91 | 425 | /* Nonzero for the 1999 C Standard, including corrigenda and amendments. */ |
2ff3ad1d | 426 | unsigned char c99; |
85fc7e91 | 427 | |
ed909a09 | 428 | /* Nonzero if we are conforming to a specific C or C++ standard. */ |
429 | unsigned char std; | |
430 | ||
1d6fa33f | 431 | /* Nonzero means give all the error messages the ANSI standard requires. */ |
5ae82d58 | 432 | unsigned char cpp_pedantic; |
1d6fa33f | 433 | |
4070d785 | 434 | /* Nonzero means we're looking at already preprocessed code, so don't |
435 | bother trying to do macro expansion and whatnot. */ | |
2ff3ad1d | 436 | unsigned char preprocessed; |
62db153a | 437 | |
438 | /* Nonzero means we are going to emit debugging logs during | |
439 | preprocessing. */ | |
440 | unsigned char debug; | |
4070d785 | 441 | |
ce70f433 | 442 | /* Nonzero means we are tracking locations of tokens involved in |
443 | macro expansion. 1 Means we track the location in degraded mode | |
444 | where we do not track locations of tokens resulting from the | |
445 | expansion of arguments of function-like macro. 2 Means we do | |
446 | track all macro expansions. This last option is the one that | |
447 | consumes the highest amount of memory. */ | |
448 | unsigned char track_macro_expansion; | |
449 | ||
c7e5d924 | 450 | /* Nonzero means handle C++ alternate operator names. */ |
624a7570 | 451 | unsigned char operator_names; |
72b04ca4 | 452 | |
2a6a6991 | 453 | /* Nonzero means warn about use of C++ alternate operator names. */ |
454 | unsigned char warn_cxx_operator_names; | |
455 | ||
0bb65704 | 456 | /* True for traditional preprocessing. */ |
457 | unsigned char traditional; | |
458 | ||
d8c8614f | 459 | /* Nonzero for C++ 2011 Standard user-defined literals. */ |
244db24d | 460 | unsigned char user_literals; |
461 | ||
76d340ac | 462 | /* Nonzero means warn when a string or character literal is followed by a |
463 | ud-suffix which does not beging with an underscore. */ | |
464 | unsigned char warn_literal_suffix; | |
465 | ||
2dd00636 | 466 | /* Nonzero means interpret imaginary, fixed-point, or other gnu extension |
467 | literal number suffixes as user-defined literal number suffixes. */ | |
468 | unsigned char ext_numeric_literals; | |
469 | ||
460f52aa | 470 | /* Nonzero means extended identifiers allow the characters specified |
471 | in C11 and C++11. */ | |
472 | unsigned char c11_identifiers; | |
473 | ||
d8c8614f | 474 | /* Nonzero for C++ 2014 Standard binary constants. */ |
475 | unsigned char binary_constants; | |
476 | ||
4d6f7dd4 | 477 | /* Nonzero for C++ 2014 Standard digit separators. */ |
478 | unsigned char digit_separators; | |
479 | ||
86136db8 | 480 | /* Nonzero for C++2a __VA_OPT__ feature. */ |
481 | unsigned char va_opt; | |
482 | ||
ebc03810 | 483 | /* Holds the name of the target (execution) character set. */ |
484 | const char *narrow_charset; | |
485 | ||
486 | /* Holds the name of the target wide character set. */ | |
487 | const char *wide_charset; | |
488 | ||
787c3d1a | 489 | /* Holds the name of the input character set. */ |
490 | const char *input_charset; | |
491 | ||
bce47149 | 492 | /* The minimum permitted level of normalization before a warning |
bcc1f37e | 493 | is generated. See enum cpp_normalize_level. */ |
494 | int warn_normalize; | |
bce47149 | 495 | |
65a6d98c | 496 | /* True to warn about precompiled header files we couldn't use. */ |
497 | bool warn_invalid_pch; | |
498 | ||
499 | /* True if dependencies should be restored from a precompiled header. */ | |
500 | bool restore_pch_deps; | |
501 | ||
890c2e2f | 502 | /* True if warn about differences between C90 and C99. */ |
4c860a45 | 503 | signed char cpp_warn_c90_c99_compat; |
890c2e2f | 504 | |
1b03cc89 | 505 | /* True if warn about differences between C++98 and C++11. */ |
506 | bool cpp_warn_cxx11_compat; | |
507 | ||
61191376 | 508 | /* Dependency generation. */ |
509 | struct | |
510 | { | |
511 | /* Style of header dependencies to generate. */ | |
3b298764 | 512 | enum cpp_deps_style style; |
61191376 | 513 | |
514 | /* Assume missing files are generated files. */ | |
515 | bool missing_files; | |
516 | ||
517 | /* Generate phony targets for each dependency apart from the first | |
518 | one. */ | |
519 | bool phony_targets; | |
3c556f04 | 520 | |
521 | /* If true, no dependency is generated on the main file. */ | |
522 | bool ignore_main_file; | |
c25f2689 | 523 | |
524 | /* If true, intend to use the preprocessor output (e.g., for compilation) | |
525 | in addition to the dependency info. */ | |
526 | bool need_preprocessor_output; | |
61191376 | 527 | } deps; |
528 | ||
d932f956 | 529 | /* Target-specific features set by the front end or client. */ |
530 | ||
531 | /* Precision for target CPP arithmetic, target characters, target | |
532 | ints and target wide characters, respectively. */ | |
533 | size_t precision, char_precision, int_precision, wchar_precision; | |
534 | ||
1ae6ed16 | 535 | /* True means chars (wide chars) are unsigned. */ |
536 | bool unsigned_char, unsigned_wchar; | |
63994318 | 537 | |
ebc03810 | 538 | /* True if the most significant byte in a word has the lowest |
539 | address in memory. */ | |
540 | bool bytes_big_endian; | |
65a6d98c | 541 | |
63994318 | 542 | /* Nonzero means __STDC__ should have the value 0 in system headers. */ |
543 | unsigned char stdc_0_in_system_headers; | |
d6d3c909 | 544 | |
fcde64dc | 545 | /* True disables tokenization outside of preprocessing directives. */ |
546 | bool directives_only; | |
52bc861d | 547 | |
548 | /* True enables canonicalization of system header file paths. */ | |
549 | bool canonical_system_headers; | |
2ff3ad1d | 550 | }; |
1d6fa33f | 551 | |
065e625b | 552 | /* Callback for header lookup for HEADER, which is the name of a |
553 | source file. It is used as a method of last resort to find headers | |
554 | that are not otherwise found during the normal include processing. | |
555 | The return value is the malloced name of a header to try and open, | |
556 | if any, or NULL otherwise. This callback is called only if the | |
557 | header is otherwise unfound. */ | |
d6c39c7a | 558 | typedef const char *(*missing_header_cb)(cpp_reader *, const char *header, cpp_dir **); |
065e625b | 559 | |
5c120a72 | 560 | /* Call backs to cpplib client. */ |
72b04ca4 | 561 | struct cpp_callbacks |
562 | { | |
5621a364 | 563 | /* Called when a new line of preprocessed output is started. */ |
f7fdd7a1 | 564 | void (*line_change) (cpp_reader *, const cpp_token *, int); |
64386834 | 565 | |
566 | /* Called when switching to/from a new file. | |
567 | The line_map is for the new file. It is NULL if there is no new file. | |
568 | (In C this happens when done with <built-in>+<command line> and also | |
569 | when done with a main file.) This can be used for resource cleanup. */ | |
551e34da | 570 | void (*file_change) (cpp_reader *, const line_map_ordinary *); |
64386834 | 571 | |
e7aa92b2 | 572 | void (*dir_change) (cpp_reader *, const char *); |
c219ee5c | 573 | void (*include) (cpp_reader *, source_location, const unsigned char *, |
f789fe3e | 574 | const char *, int, const cpp_token **); |
c219ee5c | 575 | void (*define) (cpp_reader *, source_location, cpp_hashnode *); |
576 | void (*undef) (cpp_reader *, source_location, cpp_hashnode *); | |
577 | void (*ident) (cpp_reader *, source_location, const cpp_string *); | |
578 | void (*def_pragma) (cpp_reader *, source_location); | |
f7fdd7a1 | 579 | int (*valid_pch) (cpp_reader *, const char *, int); |
580 | void (*read_pch) (cpp_reader *, const char *, int, const char *); | |
065e625b | 581 | missing_header_cb missing_header; |
eb0d20b7 | 582 | |
89768577 | 583 | /* Context-sensitive macro support. Returns macro (if any) that should |
584 | be expanded. */ | |
585 | cpp_hashnode * (*macro_to_expand) (cpp_reader *, const cpp_token *); | |
586 | ||
7f5f3953 | 587 | /* Called to emit a diagnostic. This callback receives the |
588 | translated message. */ | |
f0479000 | 589 | bool (*error) (cpp_reader *, int, int, rich_location *, |
7f5f3953 | 590 | const char *, va_list *) |
f0479000 | 591 | ATTRIBUTE_FPTR_PRINTF(5,0); |
34c3de48 | 592 | |
593 | /* Callbacks for when a macro is expanded, or tested (whether | |
594 | defined or not at the time) in #ifdef, #ifndef or "defined". */ | |
c219ee5c | 595 | void (*used_define) (cpp_reader *, source_location, cpp_hashnode *); |
596 | void (*used_undef) (cpp_reader *, source_location, cpp_hashnode *); | |
34c3de48 | 597 | /* Called before #define and #undef or other macro definition |
598 | changes are processed. */ | |
599 | void (*before_define) (cpp_reader *); | |
116f0a5f | 600 | /* Called whenever a macro is expanded or tested. |
601 | Second argument is the location of the start of the current expansion. */ | |
602 | void (*used) (cpp_reader *, source_location, cpp_hashnode *); | |
25692381 | 603 | |
3aa2fa44 | 604 | /* Callback to identify whether an attribute exists. */ |
605 | int (*has_attribute) (cpp_reader *); | |
606 | ||
6d6279f8 | 607 | /* Callback that can change a user lazy into normal macro. */ |
608 | void (*user_lazy_macro) (cpp_reader *, cpp_macro *, unsigned); | |
dfa5c0d3 | 609 | |
610 | /* Callback to parse SOURCE_DATE_EPOCH from environment. */ | |
611 | time_t (*get_source_date_epoch) (cpp_reader *); | |
5c8151fa | 612 | |
613 | /* Callback for providing suggestions for misspelled directives. */ | |
614 | const char *(*get_suggestion) (cpp_reader *, const char *, const char *const *); | |
7b921e0b | 615 | |
616 | /* Callback for when a comment is encountered, giving the location | |
617 | of the opening slash, a pointer to the content (which is not | |
618 | necessarily 0-terminated), and the length of the content. | |
619 | The content contains the opening slash-star (or slash-slash), | |
620 | and for C-style comments contains the closing star-slash. For | |
621 | C++-style comments it does not include the terminating newline. */ | |
622 | void (*comment) (cpp_reader *, source_location, const unsigned char *, | |
623 | size_t); | |
859b51f8 | 624 | |
625 | /* Callback for filename remapping in __FILE__ and __BASE_FILE__ macro | |
626 | expansions. */ | |
627 | const char *(*remap_filename) (const char*); | |
72b04ca4 | 628 | }; |
629 | ||
7ad75c55 | 630 | #ifdef VMS |
631 | #define INO_T_CPP ino_t ino[3] | |
632 | #else | |
633 | #define INO_T_CPP ino_t ino | |
634 | #endif | |
635 | ||
e69f4d0e | 636 | /* Chain of directories to look for include files in. */ |
1824e2bd | 637 | struct cpp_dir |
e69f4d0e | 638 | { |
639 | /* NULL-terminated singly-linked list. */ | |
1824e2bd | 640 | struct cpp_dir *next; |
e69f4d0e | 641 | |
1824e2bd | 642 | /* NAME of the directory, NUL-terminated. */ |
e69f4d0e | 643 | char *name; |
644 | unsigned int len; | |
645 | ||
646 | /* One if a system header, two if a system header that has extern | |
647 | "C" guards for C++. */ | |
648 | unsigned char sysp; | |
649 | ||
0ac758f7 | 650 | /* Is this a user-supplied directory? */ |
651 | bool user_supplied_p; | |
652 | ||
653 | /* The canonicalized NAME as determined by lrealpath. This field | |
654 | is only used by hosts that lack reliable inode numbers. */ | |
655 | char *canonical_name; | |
656 | ||
1824e2bd | 657 | /* Mapping of file names for this directory for MS-DOS and related |
658 | platforms. A NULL-terminated array of (from, to) pairs. */ | |
659 | const char **name_map; | |
787c3d1a | 660 | |
065e625b | 661 | /* Routine to construct pathname, given the search path name and the |
662 | HEADER we are trying to find, return a constructed pathname to | |
663 | try and open. If this is NULL, the constructed pathname is as | |
664 | constructed by append_file_to_dir. */ | |
665 | char *(*construct) (const char *header, cpp_dir *dir); | |
666 | ||
e69f4d0e | 667 | /* The C front end uses these to recognize duplicated |
668 | directories in the search path. */ | |
7ad75c55 | 669 | INO_T_CPP; |
e69f4d0e | 670 | dev_t dev; |
671 | }; | |
672 | ||
7496b881 | 673 | /* The kind of the cpp_macro. */ |
674 | enum cpp_macro_kind { | |
675 | cmk_macro, /* An ISO macro (token expansion). */ | |
8a0afc11 | 676 | cmk_assert, /* An assertion. */ |
faf7b1b0 | 677 | cmk_traditional /* A traditional macro (text expansion). */ |
7496b881 | 678 | }; |
679 | ||
373b37e4 | 680 | /* Each macro definition is recorded in a cpp_macro structure. |
681 | Variadic macros cannot occur with traditional cpp. */ | |
682 | struct GTY(()) cpp_macro { | |
8a0afc11 | 683 | union cpp_parm_u |
684 | { | |
685 | /* Parameters, if any. If parameter names use extended identifiers, | |
686 | the original spelling of those identifiers, not the canonical | |
687 | UTF-8 spelling, goes here. */ | |
688 | cpp_hashnode ** GTY ((tag ("false"), | |
689 | nested_ptr (union tree_node, | |
690 | "%h ? CPP_HASHNODE (GCC_IDENT_TO_HT_IDENT (%h)) : NULL", | |
691 | "%h ? HT_IDENT_TO_GCC_IDENT (HT_NODE (%h)) : NULL"), | |
692 | length ("%1.paramc"))) params; | |
693 | ||
694 | /* If this is an assertion, the next one in the chain. */ | |
695 | cpp_macro *GTY ((tag ("true"))) next; | |
696 | } GTY ((desc ("%1.kind == cmk_assert"))) parm; | |
373b37e4 | 697 | |
373b37e4 | 698 | /* Definition line number. */ |
699 | source_location line; | |
700 | ||
8a0afc11 | 701 | /* Number of tokens in body, or bytes for traditional macros. */ |
702 | /* Do we really need 2^32-1 range here? */ | |
373b37e4 | 703 | unsigned int count; |
704 | ||
705 | /* Number of parameters. */ | |
706 | unsigned short paramc; | |
707 | ||
6d6279f8 | 708 | /* Non-zero if this is a user-lazy macro, value provided by user. */ |
709 | unsigned char lazy; | |
710 | ||
7496b881 | 711 | /* The kind of this macro (ISO, trad or assert) */ |
712 | unsigned kind : 2; | |
713 | ||
373b37e4 | 714 | /* If a function-like macro. */ |
715 | unsigned int fun_like : 1; | |
716 | ||
717 | /* If a variadic macro. */ | |
718 | unsigned int variadic : 1; | |
719 | ||
720 | /* If macro defined in system header. */ | |
721 | unsigned int syshdr : 1; | |
722 | ||
723 | /* Nonzero if it has been expanded or had its existence tested. */ | |
724 | unsigned int used : 1; | |
725 | ||
373b37e4 | 726 | /* Indicate whether the tokens include extra CPP_PASTE tokens at the |
727 | end to track invalid redefinitions with consecutive CPP_PASTE | |
728 | tokens. */ | |
729 | unsigned int extra_tokens : 1; | |
7496b881 | 730 | |
731 | /* 1 bits spare (32-bit). 33 on 64-bit target. */ | |
732 | ||
733 | union cpp_exp_u | |
734 | { | |
735 | /* Trailing array of replacement tokens (ISO), or assertion body value. */ | |
736 | cpp_token GTY ((tag ("false"), length ("%1.count"))) tokens[1]; | |
737 | ||
738 | /* Pointer to replacement text (traditional). See comment at top | |
739 | of cpptrad.c for how traditional function-like macros are | |
740 | encoded. */ | |
741 | const unsigned char *GTY ((tag ("true"))) text; | |
742 | } GTY ((desc ("%1.kind == cmk_traditional"))) exp; | |
373b37e4 | 743 | }; |
744 | ||
79bd622b | 745 | /* The structure of a node in the hash table. The hash table has |
746 | entries for all identifiers: either macros defined by #define | |
747 | commands (type NT_MACRO), assertions created with #assert | |
748 | (NT_ASSERTION), or neither of the above (NT_VOID). Builtin macros | |
d716ce75 | 749 | like __LINE__ are flagged NODE_BUILTIN. Poisoned identifiers are |
79bd622b | 750 | flagged NODE_POISONED. NODE_OPERATOR (C++ only) indicates an |
751 | identifier that behaves like an operator such as "xor". | |
752 | NODE_DIAGNOSTIC is for speed in lex_token: it indicates a | |
753 | diagnostic may be required for this node. Currently this only | |
2a6a6991 | 754 | applies to __VA_ARGS__, poisoned identifiers, and -Wc++-compat |
755 | warnings about NODE_OPERATOR. */ | |
79bd622b | 756 | |
757 | /* Hash node flags. */ | |
758 | #define NODE_OPERATOR (1 << 0) /* C++ named operator. */ | |
759 | #define NODE_POISONED (1 << 1) /* Poisoned identifier. */ | |
760 | #define NODE_BUILTIN (1 << 2) /* Builtin macro. */ | |
761 | #define NODE_DIAGNOSTIC (1 << 3) /* Possible diagnostic when lexed. */ | |
31ca26b1 | 762 | #define NODE_WARN (1 << 4) /* Warn if redefined or undefined. */ |
c7e5d924 | 763 | #define NODE_DISABLED (1 << 5) /* A disabled macro. */ |
6473f3f4 | 764 | #define NODE_MACRO_ARG (1 << 6) /* Used during #define processing. */ |
34c3de48 | 765 | #define NODE_USED (1 << 7) /* Dumped with -dU. */ |
89768577 | 766 | #define NODE_CONDITIONAL (1 << 8) /* Conditional macro */ |
2a6a6991 | 767 | #define NODE_WARN_OPERATOR (1 << 9) /* Warn about C++ named operator. */ |
79bd622b | 768 | |
769 | /* Different flavors of hash node. */ | |
c4abf88d | 770 | enum node_type |
771 | { | |
79bd622b | 772 | NT_VOID = 0, /* No definition yet. */ |
773 | NT_MACRO, /* A macro of some form. */ | |
774 | NT_ASSERTION /* Predicate for #assert. */ | |
775 | }; | |
776 | ||
c7e5d924 | 777 | /* Different flavors of builtin macro. _Pragma is an operator, but we |
778 | handle it with the builtin code for efficiency reasons. */ | |
26dbec0a | 779 | enum cpp_builtin_type |
79bd622b | 780 | { |
781 | BT_SPECLINE = 0, /* `__LINE__' */ | |
782 | BT_DATE, /* `__DATE__' */ | |
783 | BT_FILE, /* `__FILE__' */ | |
784 | BT_BASE_FILE, /* `__BASE_FILE__' */ | |
785 | BT_INCLUDE_LEVEL, /* `__INCLUDE_LEVEL__' */ | |
786 | BT_TIME, /* `__TIME__' */ | |
c7e5d924 | 787 | BT_STDC, /* `__STDC__' */ |
cca5dddc | 788 | BT_PRAGMA, /* `_Pragma' operator */ |
ce079f70 | 789 | BT_TIMESTAMP, /* `__TIMESTAMP__' */ |
25692381 | 790 | BT_COUNTER, /* `__COUNTER__' */ |
6d6279f8 | 791 | BT_HAS_ATTRIBUTE /* `__has_attribute__(x)' */ |
c4abf88d | 792 | }; |
793 | ||
0d086e18 | 794 | #define CPP_HASHNODE(HNODE) ((cpp_hashnode *) (HNODE)) |
795 | #define HT_NODE(NODE) ((ht_identifier *) (NODE)) | |
796 | #define NODE_LEN(NODE) HT_LEN (&(NODE)->ident) | |
797 | #define NODE_NAME(NODE) HT_STR (&(NODE)->ident) | |
c4abf88d | 798 | |
c39ed964 | 799 | /* Specify which field, if any, of the union is used. */ |
800 | ||
801 | enum { | |
802 | NTV_MACRO, | |
803 | NTV_ANSWER, | |
804 | NTV_BUILTIN, | |
805 | NTV_ARGUMENT, | |
806 | NTV_NONE | |
807 | }; | |
808 | ||
809 | #define CPP_HASHNODE_VALUE_IDX(HNODE) \ | |
810 | ((HNODE.flags & NODE_MACRO_ARG) ? NTV_ARGUMENT \ | |
811 | : HNODE.type == NT_MACRO ? ((HNODE.flags & NODE_BUILTIN) \ | |
812 | ? NTV_BUILTIN : NTV_MACRO) \ | |
813 | : HNODE.type == NT_ASSERTION ? NTV_ANSWER \ | |
814 | : NTV_NONE) | |
815 | ||
0d086e18 | 816 | /* The common part of an identifier node shared amongst all 3 C front |
817 | ends. Also used to store CPP identifiers, which are a superset of | |
818 | identifiers in the grammatical sense. */ | |
720aca92 | 819 | |
fb1e4f4a | 820 | union GTY(()) _cpp_hashnode_value { |
720aca92 | 821 | /* If a macro. */ |
822 | cpp_macro * GTY((tag ("NTV_MACRO"))) macro; | |
823 | /* Answers to an assertion. */ | |
8a0afc11 | 824 | cpp_macro * GTY ((tag ("NTV_ANSWER"))) answers; |
720aca92 | 825 | /* Code for a builtin macro. */ |
26dbec0a | 826 | enum cpp_builtin_type GTY ((tag ("NTV_BUILTIN"))) builtin; |
720aca92 | 827 | /* Macro argument index. */ |
828 | unsigned short GTY ((tag ("NTV_ARGUMENT"))) arg_index; | |
829 | }; | |
830 | ||
fb1e4f4a | 831 | struct GTY(()) cpp_hashnode { |
0d086e18 | 832 | struct ht_identifier ident; |
805e22b2 | 833 | unsigned int is_directive : 1; |
787c3d1a | 834 | unsigned int directive_index : 7; /* If is_directive, |
805e22b2 | 835 | then index into directive table. |
6473f3f4 | 836 | Otherwise, a NODE_OPERATOR. */ |
0d086e18 | 837 | unsigned char rid_code; /* Rid code - for front ends. */ |
2a6a6991 | 838 | ENUM_BITFIELD(node_type) type : 6; /* CPP node type. */ |
839 | unsigned int flags : 10; /* CPP flags. */ | |
c4abf88d | 840 | |
720aca92 | 841 | union _cpp_hashnode_value GTY ((desc ("CPP_HASHNODE_VALUE_IDX (%1)"))) value; |
c4abf88d | 842 | }; |
843 | ||
d4166bdc | 844 | /* A class for iterating through the source locations within a |
845 | string token (before escapes are interpreted, and before | |
846 | concatenation). */ | |
847 | ||
848 | class cpp_string_location_reader { | |
849 | public: | |
850 | cpp_string_location_reader (source_location src_loc, | |
851 | line_maps *line_table); | |
852 | ||
853 | source_range get_next (); | |
854 | ||
855 | private: | |
856 | source_location m_loc; | |
857 | int m_offset_per_column; | |
858 | line_maps *m_line_table; | |
859 | }; | |
860 | ||
861 | /* A class for storing the source ranges of all of the characters within | |
862 | a string literal, after escapes are interpreted, and after | |
863 | concatenation. | |
864 | ||
865 | This is not GTY-marked, as instances are intended to be temporary. */ | |
866 | ||
867 | class cpp_substring_ranges | |
868 | { | |
869 | public: | |
870 | cpp_substring_ranges (); | |
871 | ~cpp_substring_ranges (); | |
872 | ||
873 | int get_num_ranges () const { return m_num_ranges; } | |
874 | source_range get_range (int idx) const | |
875 | { | |
876 | linemap_assert (idx < m_num_ranges); | |
877 | return m_ranges[idx]; | |
878 | } | |
879 | ||
880 | void add_range (source_range range); | |
881 | void add_n_ranges (int num, cpp_string_location_reader &loc_reader); | |
882 | ||
883 | private: | |
884 | source_range *m_ranges; | |
885 | int m_num_ranges; | |
886 | int m_alloc_ranges; | |
887 | }; | |
888 | ||
568139e4 | 889 | /* Call this first to get a handle to pass to other functions. |
890 | ||
891 | If you want cpplib to manage its own hashtable, pass in a NULL | |
892 | pointer. Otherwise you should pass in an initialized hash table | |
893 | that cpplib will share; this technique is used by the C front | |
894 | ends. */ | |
ceec9c13 | 895 | extern cpp_reader *cpp_create_reader (enum c_lang, struct ht *, |
896 | struct line_maps *); | |
9bd97637 | 897 | |
931b0a0f | 898 | /* Reset the cpp_reader's line_map. This is only used after reading a |
899 | PCH file. */ | |
900 | extern void cpp_set_line_map (cpp_reader *, struct line_maps *); | |
901 | ||
3ae4c9f3 | 902 | /* Call this to change the selected language standard (e.g. because of |
903 | command line options). */ | |
f7fdd7a1 | 904 | extern void cpp_set_lang (cpp_reader *, enum c_lang); |
3ae4c9f3 | 905 | |
e69f4d0e | 906 | /* Set the include paths. */ |
1824e2bd | 907 | extern void cpp_set_include_chains (cpp_reader *, cpp_dir *, cpp_dir *, int); |
e69f4d0e | 908 | |
3eb3f293 | 909 | /* Call these to get pointers to the options, callback, and deps |
910 | structures for a given reader. These pointers are good until you | |
911 | call cpp_finish on that reader. You can either edit the callbacks | |
72b04ca4 | 912 | through the pointer returned from cpp_get_callbacks, or set them |
913 | with cpp_set_callbacks. */ | |
f7fdd7a1 | 914 | extern cpp_options *cpp_get_options (cpp_reader *); |
f7fdd7a1 | 915 | extern cpp_callbacks *cpp_get_callbacks (cpp_reader *); |
916 | extern void cpp_set_callbacks (cpp_reader *, cpp_callbacks *); | |
3eb3f293 | 917 | extern struct deps *cpp_get_deps (cpp_reader *); |
72b04ca4 | 918 | |
d732fcf0 | 919 | /* This function reads the file, but does not start preprocessing. It |
920 | returns the name of the original file; this is the same as the | |
921 | input file, except for preprocessed input. This will generate at | |
922 | least one file change callback, and possibly a line change callback | |
7c2df241 | 923 | too. If there was an error opening the file, it returns NULL. */ |
d732fcf0 | 924 | extern const char *cpp_read_main_file (cpp_reader *, const char *); |
9ceb1c29 | 925 | |
fcde64dc | 926 | /* Set up built-ins with special behavior. Use cpp_init_builtins() |
927 | instead unless your know what you are doing. */ | |
928 | extern void cpp_init_special_builtins (cpp_reader *); | |
929 | ||
fc3c7720 | 930 | /* Set up built-ins like __FILE__. */ |
f7fdd7a1 | 931 | extern void cpp_init_builtins (cpp_reader *, int); |
9ceb1c29 | 932 | |
c7f96907 | 933 | /* This is called after options have been parsed, and partially |
7981458e | 934 | processed. */ |
c7f96907 | 935 | extern void cpp_post_options (cpp_reader *); |
936 | ||
ebc03810 | 937 | /* Set up translation to the target character set. */ |
938 | extern void cpp_init_iconv (cpp_reader *); | |
939 | ||
61191376 | 940 | /* Call this to finish preprocessing. If you requested dependency |
941 | generation, pass an open stream to write the information to, | |
7f5f3953 | 942 | otherwise NULL. It is your responsibility to close the stream. */ |
943 | extern void cpp_finish (cpp_reader *, FILE *deps_stream); | |
61191376 | 944 | |
9ceb1c29 | 945 | /* Call this to release the handle at the end of preprocessing. Any |
7f5f3953 | 946 | use of the handle after this function returns is invalid. */ |
f7fdd7a1 | 947 | extern void cpp_destroy (cpp_reader *); |
9ceb1c29 | 948 | |
f7fdd7a1 | 949 | extern unsigned int cpp_token_len (const cpp_token *); |
950 | extern unsigned char *cpp_token_as_text (cpp_reader *, const cpp_token *); | |
951 | extern unsigned char *cpp_spell_token (cpp_reader *, const cpp_token *, | |
bb1fa6bb | 952 | unsigned char *, bool); |
f7fdd7a1 | 953 | extern void cpp_register_pragma (cpp_reader *, const char *, const char *, |
68bf2ad9 | 954 | void (*) (cpp_reader *), bool); |
b75b98aa | 955 | extern void cpp_register_deferred_pragma (cpp_reader *, const char *, |
956 | const char *, unsigned, bool, bool); | |
f7fdd7a1 | 957 | extern int cpp_avoid_paste (cpp_reader *, const cpp_token *, |
958 | const cpp_token *); | |
959 | extern const cpp_token *cpp_get_token (cpp_reader *); | |
931b0a0f | 960 | extern const cpp_token *cpp_get_token_with_location (cpp_reader *, |
961 | source_location *); | |
793b38da | 962 | inline bool cpp_user_macro_p (const cpp_hashnode *node) |
963 | { | |
964 | return node->type == NT_MACRO && !(node->flags & NODE_BUILTIN); | |
965 | } | |
966 | inline bool cpp_builtin_macro_p (const cpp_hashnode *node) | |
967 | { | |
968 | return node->flags & NODE_BUILTIN; | |
969 | } | |
970 | inline bool cpp_macro_p (const cpp_hashnode *node) | |
971 | { | |
972 | return node->type == NT_MACRO; | |
973 | } | |
974 | /* Returns true if NODE is a function-like user macro. */ | |
faf7b1b0 | 975 | inline bool cpp_fun_like_macro_p (cpp_hashnode *node) |
976 | { | |
977 | return cpp_user_macro_p (node) && node->value.macro->fun_like; | |
978 | } | |
793b38da | 979 | |
f7fdd7a1 | 980 | extern const unsigned char *cpp_macro_definition (cpp_reader *, |
25692381 | 981 | cpp_hashnode *); |
dbfb2c43 | 982 | extern source_location cpp_macro_definition_location (cpp_hashnode *); |
f7fdd7a1 | 983 | extern void _cpp_backup_tokens (cpp_reader *, unsigned int); |
89768577 | 984 | extern const cpp_token *cpp_peek_token (cpp_reader *, int); |
f80e83a9 | 985 | |
538ba11a | 986 | /* Evaluate a CPP_*CHAR* token. */ |
f7fdd7a1 | 987 | extern cppchar_t cpp_interpret_charconst (cpp_reader *, const cpp_token *, |
988 | unsigned int *, int *); | |
538ba11a | 989 | /* Evaluate a vector of CPP_*STRING* tokens. */ |
ebc03810 | 990 | extern bool cpp_interpret_string (cpp_reader *, |
991 | const cpp_string *, size_t, | |
924bbf02 | 992 | cpp_string *, enum cpp_ttype); |
d4166bdc | 993 | extern const char *cpp_interpret_string_ranges (cpp_reader *pfile, |
994 | const cpp_string *from, | |
995 | cpp_string_location_reader *, | |
996 | size_t count, | |
997 | cpp_substring_ranges *out, | |
998 | enum cpp_ttype type); | |
7bc95b56 | 999 | extern bool cpp_interpret_string_notranslate (cpp_reader *, |
1000 | const cpp_string *, size_t, | |
924bbf02 | 1001 | cpp_string *, enum cpp_ttype); |
8330799c | 1002 | |
624d37a6 | 1003 | /* Convert a host character constant to the execution character set. */ |
1004 | extern cppchar_t cpp_host_to_exec_charset (cpp_reader *, cppchar_t); | |
1005 | ||
fc3c7720 | 1006 | /* Used to register macros and assertions, perhaps from the command line. |
9a85d74b | 1007 | The text is the same as the command line argument. */ |
f7fdd7a1 | 1008 | extern void cpp_define (cpp_reader *, const char *); |
85e51d59 | 1009 | extern void cpp_define_formatted (cpp_reader *pfile, |
1010 | const char *fmt, ...) ATTRIBUTE_PRINTF_2; | |
f7fdd7a1 | 1011 | extern void cpp_assert (cpp_reader *, const char *); |
1012 | extern void cpp_undef (cpp_reader *, const char *); | |
1013 | extern void cpp_unassert (cpp_reader *, const char *); | |
1d6fa33f | 1014 | |
6d6279f8 | 1015 | /* Mark a node as a lazily defined macro. */ |
1016 | extern void cpp_define_lazily (cpp_reader *, cpp_hashnode *node, unsigned N); | |
1017 | ||
40109983 | 1018 | /* Undefine all macros and assertions. */ |
1019 | extern void cpp_undef_all (cpp_reader *); | |
1020 | ||
f7fdd7a1 | 1021 | extern cpp_buffer *cpp_push_buffer (cpp_reader *, const unsigned char *, |
64386834 | 1022 | size_t, int); |
f7fdd7a1 | 1023 | extern int cpp_defined (cpp_reader *, const unsigned char *, int); |
6060326b | 1024 | |
4baf0479 | 1025 | /* A preprocessing number. Code assumes that any unused high bits of |
1026 | the double integer are set to zero. */ | |
a3034794 | 1027 | |
1c8ad86a | 1028 | /* This type has to be equal to unsigned HOST_WIDE_INT, see |
a3034794 | 1029 | gcc/c-family/c-lex.c. */ |
1c8ad86a | 1030 | typedef uint64_t cpp_num_part; |
4baf0479 | 1031 | typedef struct cpp_num cpp_num; |
1032 | struct cpp_num | |
1033 | { | |
1034 | cpp_num_part high; | |
1035 | cpp_num_part low; | |
1036 | bool unsignedp; /* True if value should be treated as unsigned. */ | |
1037 | bool overflow; /* True if the most recent calculation overflowed. */ | |
1038 | }; | |
1039 | ||
1040 | /* cpplib provides two interfaces for interpretation of preprocessing | |
1041 | numbers. | |
1042 | ||
1043 | cpp_classify_number categorizes numeric constants according to | |
1044 | their field (integer, floating point, or invalid), radix (decimal, | |
1045 | octal, hexadecimal), and type suffixes. */ | |
1046 | ||
1047 | #define CPP_N_CATEGORY 0x000F | |
1048 | #define CPP_N_INVALID 0x0000 | |
1049 | #define CPP_N_INTEGER 0x0001 | |
1050 | #define CPP_N_FLOATING 0x0002 | |
1051 | ||
1052 | #define CPP_N_WIDTH 0x00F0 | |
5a29175d | 1053 | #define CPP_N_SMALL 0x0010 /* int, float, short _Fract/Accum */ |
84373723 | 1054 | #define CPP_N_MEDIUM 0x0020 /* long, double, long _Fract/_Accum. */ |
1055 | #define CPP_N_LARGE 0x0040 /* long long, long double, | |
1056 | long long _Fract/Accum. */ | |
4baf0479 | 1057 | |
430be8e2 | 1058 | #define CPP_N_WIDTH_MD 0xF0000 /* machine defined. */ |
1059 | #define CPP_N_MD_W 0x10000 | |
1060 | #define CPP_N_MD_Q 0x20000 | |
1061 | ||
4baf0479 | 1062 | #define CPP_N_RADIX 0x0F00 |
1063 | #define CPP_N_DECIMAL 0x0100 | |
1064 | #define CPP_N_HEX 0x0200 | |
1065 | #define CPP_N_OCTAL 0x0400 | |
d7282a2b | 1066 | #define CPP_N_BINARY 0x0800 |
4baf0479 | 1067 | |
1068 | #define CPP_N_UNSIGNED 0x1000 /* Properties. */ | |
1069 | #define CPP_N_IMAGINARY 0x2000 | |
6db045b0 | 1070 | #define CPP_N_DFLOAT 0x4000 |
f8ed6d41 | 1071 | #define CPP_N_DEFAULT 0x8000 |
4baf0479 | 1072 | |
84373723 | 1073 | #define CPP_N_FRACT 0x100000 /* Fract types. */ |
1074 | #define CPP_N_ACCUM 0x200000 /* Accum types. */ | |
82c85aba | 1075 | #define CPP_N_FLOATN 0x400000 /* _FloatN types. */ |
1076 | #define CPP_N_FLOATNX 0x800000 /* _FloatNx types. */ | |
84373723 | 1077 | |
244db24d | 1078 | #define CPP_N_USERDEF 0x1000000 /* C++0x user-defined literal. */ |
1079 | ||
82c85aba | 1080 | #define CPP_N_WIDTH_FLOATN_NX 0xF0000000 /* _FloatN / _FloatNx value |
1081 | of N, divided by 16. */ | |
1082 | #define CPP_FLOATN_SHIFT 24 | |
1083 | #define CPP_FLOATN_MAX 0xF0 | |
1084 | ||
4baf0479 | 1085 | /* Classify a CPP_NUMBER token. The return value is a combination of |
1086 | the flags from the above sets. */ | |
244db24d | 1087 | extern unsigned cpp_classify_number (cpp_reader *, const cpp_token *, |
a60f3e81 | 1088 | const char **, source_location); |
244db24d | 1089 | |
1090 | /* Return the classification flags for a float suffix. */ | |
2dd00636 | 1091 | extern unsigned int cpp_interpret_float_suffix (cpp_reader *, const char *, |
1092 | size_t); | |
244db24d | 1093 | |
1094 | /* Return the classification flags for an int suffix. */ | |
2dd00636 | 1095 | extern unsigned int cpp_interpret_int_suffix (cpp_reader *, const char *, |
1096 | size_t); | |
4baf0479 | 1097 | |
1098 | /* Evaluate a token classified as category CPP_N_INTEGER. */ | |
f7fdd7a1 | 1099 | extern cpp_num cpp_interpret_integer (cpp_reader *, const cpp_token *, |
244db24d | 1100 | unsigned int); |
4baf0479 | 1101 | |
f5ec8cb5 | 1102 | /* Sign extend a number, with PRECISION significant bits and all |
1103 | others assumed clear, to fill out a cpp_num structure. */ | |
f7fdd7a1 | 1104 | cpp_num cpp_num_sign_extend (cpp_num, size_t); |
f5ec8cb5 | 1105 | |
d716ce75 | 1106 | /* Diagnostic levels. To get a diagnostic without associating a |
73328dce | 1107 | position in the translation unit with it, use cpp_error_with_line |
1108 | with a line number of zero. */ | |
1109 | ||
3a79f5da | 1110 | enum { |
1111 | /* Warning, an error with -Werror. */ | |
1112 | CPP_DL_WARNING = 0, | |
1113 | /* Same as CPP_DL_WARNING, except it is not suppressed in system headers. */ | |
1114 | CPP_DL_WARNING_SYSHDR, | |
1115 | /* Warning, an error with -pedantic-errors or -Werror. */ | |
1116 | CPP_DL_PEDWARN, | |
1117 | /* An error. */ | |
1118 | CPP_DL_ERROR, | |
1119 | /* An internal consistency check failed. Prints "internal error: ", | |
1120 | otherwise the same as CPP_DL_ERROR. */ | |
1121 | CPP_DL_ICE, | |
1122 | /* An informative note following a warning. */ | |
1123 | CPP_DL_NOTE, | |
1124 | /* A fatal error. */ | |
1125 | CPP_DL_FATAL | |
1126 | }; | |
1127 | ||
1128 | /* Warning reason codes. Use a reason code of zero for unclassified warnings | |
1129 | and errors that are not warnings. */ | |
1130 | enum { | |
1131 | CPP_W_NONE = 0, | |
1132 | CPP_W_DEPRECATED, | |
1133 | CPP_W_COMMENTS, | |
1134 | CPP_W_MISSING_INCLUDE_DIRS, | |
1135 | CPP_W_TRIGRAPHS, | |
1136 | CPP_W_MULTICHAR, | |
1137 | CPP_W_TRADITIONAL, | |
1138 | CPP_W_LONG_LONG, | |
1139 | CPP_W_ENDIF_LABELS, | |
1140 | CPP_W_NUM_SIGN_CHANGE, | |
1141 | CPP_W_VARIADIC_MACROS, | |
1142 | CPP_W_BUILTIN_MACRO_REDEFINED, | |
1143 | CPP_W_DOLLARS, | |
1144 | CPP_W_UNDEF, | |
1145 | CPP_W_UNUSED_MACROS, | |
1146 | CPP_W_CXX_OPERATOR_NAMES, | |
1147 | CPP_W_NORMALIZE, | |
1148 | CPP_W_INVALID_PCH, | |
76d340ac | 1149 | CPP_W_WARNING_DIRECTIVE, |
9148bda3 | 1150 | CPP_W_LITERAL_SUFFIX, |
04afd878 | 1151 | CPP_W_DATE_TIME, |
1152 | CPP_W_PEDANTIC, | |
1b03cc89 | 1153 | CPP_W_C90_C99_COMPAT, |
6e47b422 | 1154 | CPP_W_CXX11_COMPAT, |
1155 | CPP_W_EXPANSION_TO_DEFINED | |
3a79f5da | 1156 | }; |
73328dce | 1157 | |
73328dce | 1158 | /* Output a diagnostic of some kind. */ |
7f5f3953 | 1159 | extern bool cpp_error (cpp_reader *, int, const char *msgid, ...) |
73328dce | 1160 | ATTRIBUTE_PRINTF_3; |
3a79f5da | 1161 | extern bool cpp_warning (cpp_reader *, int, const char *msgid, ...) |
1162 | ATTRIBUTE_PRINTF_3; | |
1163 | extern bool cpp_pedwarning (cpp_reader *, int, const char *msgid, ...) | |
1164 | ATTRIBUTE_PRINTF_3; | |
1165 | extern bool cpp_warning_syshdr (cpp_reader *, int, const char *msgid, ...) | |
1166 | ATTRIBUTE_PRINTF_3; | |
73328dce | 1167 | |
f7fdd7a1 | 1168 | /* Output a diagnostic with "MSGID: " preceding the |
73328dce | 1169 | error string of errno. No location is printed. */ |
7f5f3953 | 1170 | extern bool cpp_errno (cpp_reader *, int, const char *msgid); |
55d11fae | 1171 | /* Similarly, but with "FILENAME: " instead of "MSGID: ", where |
1172 | the filename is not localized. */ | |
e557fc7f | 1173 | extern bool cpp_errno_filename (cpp_reader *, int, const char *filename, |
1174 | source_location loc); | |
73328dce | 1175 | |
1176 | /* Same as cpp_error, except additionally specifies a position as a | |
1177 | (translation unit) physical line and physical column. If the line is | |
1178 | zero, then no location is printed. */ | |
3a79f5da | 1179 | extern bool cpp_error_with_line (cpp_reader *, int, source_location, |
1180 | unsigned, const char *msgid, ...) | |
1181 | ATTRIBUTE_PRINTF_5; | |
1182 | extern bool cpp_warning_with_line (cpp_reader *, int, source_location, | |
1183 | unsigned, const char *msgid, ...) | |
1184 | ATTRIBUTE_PRINTF_5; | |
1185 | extern bool cpp_pedwarning_with_line (cpp_reader *, int, source_location, | |
1186 | unsigned, const char *msgid, ...) | |
1187 | ATTRIBUTE_PRINTF_5; | |
1188 | extern bool cpp_warning_with_line_syshdr (cpp_reader *, int, source_location, | |
1189 | unsigned, const char *msgid, ...) | |
1190 | ATTRIBUTE_PRINTF_5; | |
e2f9a79f | 1191 | |
e557fc7f | 1192 | extern bool cpp_error_at (cpp_reader * pfile, int level, |
1193 | source_location src_loc, const char *msgid, ...) | |
1194 | ATTRIBUTE_PRINTF_4; | |
1195 | ||
3b6578b3 | 1196 | extern bool cpp_error_at (cpp_reader * pfile, int level, |
1197 | rich_location *richloc, const char *msgid, | |
1198 | ...) | |
5c8151fa | 1199 | ATTRIBUTE_PRINTF_4; |
1200 | ||
85e51d59 | 1201 | /* In lex.c */ |
f7fdd7a1 | 1202 | extern int cpp_ideq (const cpp_token *, const char *); |
1203 | extern void cpp_output_line (cpp_reader *, FILE *); | |
c0770282 | 1204 | extern unsigned char *cpp_output_line_to_string (cpp_reader *, |
1205 | const unsigned char *); | |
f7fdd7a1 | 1206 | extern void cpp_output_token (const cpp_token *, FILE *); |
ba99525e | 1207 | extern const char *cpp_type2name (enum cpp_ttype, unsigned char flags); |
13c457e1 | 1208 | /* Returns the value of an escape sequence, truncated to the correct |
1209 | target precision. PSTR points to the input pointer, which is just | |
1210 | after the backslash. LIMIT is how much text we have. WIDE is true | |
1211 | if the escape sequence is part of a wide character constant or | |
1212 | string literal. Handles all relevant diagnostics. */ | |
f7fdd7a1 | 1213 | extern cppchar_t cpp_parse_escape (cpp_reader *, const unsigned char ** pstr, |
1214 | const unsigned char *limit, int wide); | |
50fd6b48 | 1215 | |
956c6108 | 1216 | /* Structure used to hold a comment block at a given location in the |
1217 | source code. */ | |
1218 | ||
1219 | typedef struct | |
1220 | { | |
1221 | /* Text of the comment including the terminators. */ | |
1222 | char *comment; | |
1223 | ||
1224 | /* source location for the given comment. */ | |
1225 | source_location sloc; | |
1226 | } cpp_comment; | |
1227 | ||
1228 | /* Structure holding all comments for a given cpp_reader. */ | |
1229 | ||
1230 | typedef struct | |
1231 | { | |
1232 | /* table of comment entries. */ | |
1233 | cpp_comment *entries; | |
1234 | ||
1235 | /* number of actual entries entered in the table. */ | |
1236 | int count; | |
1237 | ||
1238 | /* number of entries allocated currently. */ | |
1239 | int allocated; | |
1240 | } cpp_comment_table; | |
1241 | ||
1242 | /* Returns the table of comments encountered by the preprocessor. This | |
1243 | table is only populated when pfile->state.save_comments is true. */ | |
1244 | extern cpp_comment_table *cpp_get_comments (cpp_reader *); | |
1245 | ||
85e51d59 | 1246 | /* In hash.c */ |
0d086e18 | 1247 | |
1248 | /* Lookup an identifier in the hashtable. Puts the identifier in the | |
1249 | table if it is not already there. */ | |
f7fdd7a1 | 1250 | extern cpp_hashnode *cpp_lookup (cpp_reader *, const unsigned char *, |
1251 | unsigned int); | |
0d086e18 | 1252 | |
f7fdd7a1 | 1253 | typedef int (*cpp_cb) (cpp_reader *, cpp_hashnode *, void *); |
1254 | extern void cpp_forall_identifiers (cpp_reader *, cpp_cb, void *); | |
7034a61d | 1255 | |
85e51d59 | 1256 | /* In macro.c */ |
f7fdd7a1 | 1257 | extern void cpp_scan_nooutput (cpp_reader *); |
1258 | extern int cpp_sys_macro_p (cpp_reader *); | |
1259 | extern unsigned char *cpp_quote_string (unsigned char *, const unsigned char *, | |
1260 | unsigned int); | |
6d71dc85 | 1261 | |
85e51d59 | 1262 | /* In files.c */ |
1824e2bd | 1263 | extern bool cpp_included (cpp_reader *, const char *); |
67015c73 | 1264 | extern bool cpp_included_before (cpp_reader *, const char *, source_location); |
f7fdd7a1 | 1265 | extern void cpp_make_system_header (cpp_reader *, int, int); |
f7fdd7a1 | 1266 | extern bool cpp_push_include (cpp_reader *, const char *); |
6adc88f8 | 1267 | extern bool cpp_push_default_include (cpp_reader *, const char *); |
f7fdd7a1 | 1268 | extern void cpp_change_file (cpp_reader *, enum lc_reason, const char *); |
065e625b | 1269 | extern const char *cpp_get_path (struct _cpp_file *); |
d6c39c7a | 1270 | extern cpp_dir *cpp_get_dir (struct _cpp_file *); |
065e625b | 1271 | extern cpp_buffer *cpp_get_buffer (cpp_reader *); |
1272 | extern struct _cpp_file *cpp_get_file (cpp_buffer *); | |
1273 | extern cpp_buffer *cpp_get_prev (cpp_buffer *); | |
64cb8c90 | 1274 | extern void cpp_clear_file_cache (cpp_reader *); |
94221a92 | 1275 | |
85e51d59 | 1276 | /* In pch.c */ |
573aba85 | 1277 | struct save_macro_data; |
f7fdd7a1 | 1278 | extern int cpp_save_state (cpp_reader *, FILE *); |
1279 | extern int cpp_write_pch_deps (cpp_reader *, FILE *); | |
1280 | extern int cpp_write_pch_state (cpp_reader *, FILE *); | |
1281 | extern int cpp_valid_state (cpp_reader *, const char *, int); | |
1282 | extern void cpp_prepare_state (cpp_reader *, struct save_macro_data **); | |
1283 | extern int cpp_read_state (cpp_reader *, const char *, FILE *, | |
1284 | struct save_macro_data *); | |
573aba85 | 1285 | |
6ea2c7a3 | 1286 | /* In lex.c */ |
1287 | extern void cpp_force_token_locations (cpp_reader *, source_location *); | |
1288 | extern void cpp_stop_forcing_token_locations (cpp_reader *); | |
1289 | ||
244db24d | 1290 | /* In expr.c */ |
1291 | extern enum cpp_ttype cpp_userdef_string_remove_type | |
1292 | (enum cpp_ttype type); | |
1293 | extern enum cpp_ttype cpp_userdef_string_add_type | |
1294 | (enum cpp_ttype type); | |
1295 | extern enum cpp_ttype cpp_userdef_char_remove_type | |
1296 | (enum cpp_ttype type); | |
1297 | extern enum cpp_ttype cpp_userdef_char_add_type | |
1298 | (enum cpp_ttype type); | |
1299 | extern bool cpp_userdef_string_p | |
1300 | (enum cpp_ttype type); | |
1301 | extern bool cpp_userdef_char_p | |
1302 | (enum cpp_ttype type); | |
1303 | extern const char * cpp_get_userdef_suffix | |
1304 | (const cpp_token *); | |
1305 | ||
d856c8a6 | 1306 | #endif /* ! LIBCPP_CPPLIB_H */ |