1 /* Definitions for CPP library. 2 Copyright (C) 1995-2015 Free Software Foundation, Inc. 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 7 Free Software Foundation; either version 3, or (at your option) any 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 16 along with this program; see the file COPYING3. If not see 17 <http://www.gnu.org/licenses/>. 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! */ 22 #ifndef LIBCPP_CPPLIB_H 23 #define LIBCPP_CPPLIB_H 24 25 #include <sys/types.h> 26 #include "symtab.h" 27 #include "line-map.h" 28 29 typedef struct cpp_reader cpp_reader; 30 typedef struct cpp_buffer cpp_buffer; 31 typedef struct cpp_options cpp_options; 32 typedef struct cpp_token cpp_token; 33 typedef struct cpp_string cpp_string; 34 typedef struct cpp_hashnode cpp_hashnode; 35 typedef struct cpp_macro cpp_macro; 36 typedef struct cpp_callbacks cpp_callbacks; 37 typedef struct cpp_dir cpp_dir; 38 39 struct answer; 40 struct _cpp_file; 41 42 /* The first three groups, apart from '=', can appear in preprocessor 43 expressions (+= and -= are used to indicate unary + and - resp.). 44 This allows a lookup table to be implemented in _cpp_parse_expr. 45 46 The first group, to CPP_LAST_EQ, can be immediately followed by an 47 '='. The lexer needs operators ending in '=', like ">>=", to be in 48 the same order as their counterparts without the '=', like ">>". 49 50 See the cpp_operator table optab in expr.c if you change the order or 51 add or remove anything in the first group. */ 52 53 #define TTYPE_TABLE \ 54 OP(EQ, "=") \ 55 OP(NOT, "!") \ 56 OP(GREATER, ">") /* compare */ \ 57 OP(LESS, "<") \ 58 OP(PLUS, "+") /* math */ \ 59 OP(MINUS, "-") \ 60 OP(MULT, "*") \ 61 OP(DIV, "/") \ 62 OP(MOD, "%") \ 63 OP(AND, "&") /* bit ops */ \ 64 OP(OR, "|") \ 65 OP(XOR, "^") \ 66 OP(RSHIFT, ">>") \ 67 OP(LSHIFT, "<<") \ 68 \ 69 OP(COMPL, "~") \ 70 OP(AND_AND, "&&") /* logical */ \ 71 OP(OR_OR, "||") \ 72 OP(QUERY, "?") \ 73 OP(COLON, ":") \ 74 OP(COMMA, ",") /* grouping */ \ 75 OP(OPEN_PAREN, "(") \ 76 OP(CLOSE_PAREN, ")") \ 77 TK(EOF, NONE) \ 78 OP(EQ_EQ, "==") /* compare */ \ 79 OP(NOT_EQ, "!=") \ 80 OP(GREATER_EQ, ">=") \ 81 OP(LESS_EQ, "<=") \ 82 \ 83 /* These two are unary + / - in preprocessor expressions. */ \ 84 OP(PLUS_EQ, "+=") /* math */ \ 85 OP(MINUS_EQ, "-=") \ 86 \ 87 OP(MULT_EQ, "*=") \ 88 OP(DIV_EQ, "/=") \ 89 OP(MOD_EQ, "%=") \ 90 OP(AND_EQ, "&=") /* bit ops */ \ 91 OP(OR_EQ, "|=") \ 92 OP(XOR_EQ, "^=") \ 93 OP(RSHIFT_EQ, ">>=") \ 94 OP(LSHIFT_EQ, "<<=") \ 95 /* Digraphs together, beginning with CPP_FIRST_DIGRAPH. */ \ 96 OP(HASH, "#") /* digraphs */ \ 97 OP(PASTE, "##") \ 98 OP(OPEN_SQUARE, "[") \ 99 OP(CLOSE_SQUARE, "]") \ 100 OP(OPEN_BRACE, "{") \ 101 OP(CLOSE_BRACE, "}") \ 102 /* The remainder of the punctuation. Order is not significant. */ \ 103 OP(SEMICOLON, ";") /* structure */ \ 104 OP(ELLIPSIS, "...") \ 105 OP(PLUS_PLUS, "++") /* increment */ \ 106 OP(MINUS_MINUS, "--") \ 107 OP(DEREF, "->") /* accessors */ \ 108 OP(DOT, ".") \ 109 OP(SCOPE, "::") \ 110 OP(DEREF_STAR, "->*") \ 111 OP(DOT_STAR, ".*") \ 112 OP(ATSIGN, "@") /* used in Objective-C */ \ 113 \ 114 TK(NAME, IDENT) /* word */ \ 115 TK(AT_NAME, IDENT) /* @word - Objective-C */ \ 116 TK(NUMBER, LITERAL) /* 34_be+ta */ \ 117 \ 118 TK(CHAR, LITERAL) /* 'char' */ \ 119 TK(WCHAR, LITERAL) /* L'char' */ \ 120 TK(CHAR16, LITERAL) /* u'char' */ \ 121 TK(CHAR32, LITERAL) /* U'char' */ \ 122 TK(OTHER, LITERAL) /* stray punctuation */ \ 123 \ 124 TK(STRING, LITERAL) /* "string" */ \ 125 TK(WSTRING, LITERAL) /* L"string" */ \ 126 TK(STRING16, LITERAL) /* u"string" */ \ 127 TK(STRING32, LITERAL) /* U"string" */ \ 128 TK(UTF8STRING, LITERAL) /* u8"string" */ \ 129 TK(OBJC_STRING, LITERAL) /* @"string" - Objective-C */ \ 130 TK(HEADER_NAME, LITERAL) /* <stdio.h> in #include */ \ 131 \ 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 */ \ 136 TK(STRING_USERDEF, LITERAL) /* "string"_suffix - C++-0x */ \ 137 TK(WSTRING_USERDEF, LITERAL) /* L"string"_suffix - C++-0x */ \ 138 TK(STRING16_USERDEF, LITERAL) /* u"string"_suffix - C++-0x */ \ 139 TK(STRING32_USERDEF, LITERAL) /* U"string"_suffix - C++-0x */ \ 140 TK(UTF8STRING_USERDEF,LITERAL) /* u8"string"_suffix - C++-0x */ \ 141 \ 142 TK(COMMENT, LITERAL) /* Only if output comments. */ \ 143 /* SPELL_LITERAL happens to DTRT. */ \ 144 TK(MACRO_ARG, NONE) /* Macro argument. */ \ 145 TK(PRAGMA, NONE) /* Only for deferred pragmas. */ \ 146 TK(PRAGMA_EOL, NONE) /* End-of-line for deferred pragmas. */ \ 147 TK(PADDING, NONE) /* Whitespace for -E. */ 148 149 #define OP(e, s) CPP_ ## e, 150 #define TK(e, s) CPP_ ## e, 151 enum cpp_ttype 152 { 153 TTYPE_TABLE 154 N_TTYPES, 155 156 /* A token type for keywords, as opposed to ordinary identifiers. */ 157 CPP_KEYWORD, 158 159 /* Positions in the table. */ 160 CPP_LAST_EQ = CPP_LSHIFT, 161 CPP_FIRST_DIGRAPH = CPP_HASH, 162 CPP_LAST_PUNCTUATOR= CPP_ATSIGN, 163 CPP_LAST_CPP_OP = CPP_LESS_EQ 164 }; 165 #undef OP 166 #undef TK 167 168 /* C language kind, used when calling cpp_create_reader. */ 169 enum c_lang {CLK_GNUC89 = 0, CLK_GNUC99, CLK_GNUC11, 170 CLK_STDC89, CLK_STDC94, CLK_STDC99, CLK_STDC11, 171 CLK_GNUCXX, CLK_CXX98, CLK_GNUCXX11, CLK_CXX11, 172 CLK_GNUCXX14, CLK_CXX14, CLK_GNUCXX1Z, CLK_CXX1Z, CLK_ASM}; 173 174 /* Payload of a NUMBER, STRING, CHAR or COMMENT token. */ 175 struct GTY(()) cpp_string { 176 unsigned int len; 177 const unsigned char *text; 178 }; 179 180 /* Flags for the cpp_token structure. */ 181 #define PREV_WHITE (1 << 0) /* If whitespace before this token. */ 182 #define DIGRAPH (1 << 1) /* If it was a digraph. */ 183 #define STRINGIFY_ARG (1 << 2) /* If macro argument to be stringified. */ 184 #define PASTE_LEFT (1 << 3) /* If on LHS of a ## operator. */ 185 #define NAMED_OP (1 << 4) /* C++ named operators. */ 186 #define NO_EXPAND (1 << 5) /* Do not macro-expand this token. */ 187 #define BOL (1 << 6) /* Token at beginning of line. */ 188 #define PURE_ZERO (1 << 7) /* Single 0 digit, used by the C++ frontend, 189 set in c-lex.c. */ 190 #define SP_DIGRAPH (1 << 8) /* # or ## token was a digraph. */ 191 #define SP_PREV_WHITE (1 << 9) /* If whitespace before a ## 192 operator, or before this token 193 after a # operator. */ 194 195 /* Specify which field, if any, of the cpp_token union is used. */ 196 197 enum cpp_token_fld_kind { 198 CPP_TOKEN_FLD_NODE, 199 CPP_TOKEN_FLD_SOURCE, 200 CPP_TOKEN_FLD_STR, 201 CPP_TOKEN_FLD_ARG_NO, 202 CPP_TOKEN_FLD_TOKEN_NO, 203 CPP_TOKEN_FLD_PRAGMA, 204 CPP_TOKEN_FLD_NONE 205 }; 206 207 /* A macro argument in the cpp_token union. */ 208 struct GTY(()) cpp_macro_arg { 209 /* Argument number. */ 210 unsigned int arg_no; 211 /* The original spelling of the macro argument token. */ 212 cpp_hashnode * 213 GTY ((nested_ptr (union tree_node, 214 "%h ? CPP_HASHNODE (GCC_IDENT_TO_HT_IDENT (%h)) : NULL", 215 "%h ? HT_IDENT_TO_GCC_IDENT (HT_NODE (%h)) : NULL"))) 216 spelling; 217 }; 218 219 /* An identifier in the cpp_token union. */ 220 struct GTY(()) cpp_identifier { 221 /* The canonical (UTF-8) spelling of the identifier. */ 222 cpp_hashnode * 223 GTY ((nested_ptr (union tree_node, 224 "%h ? CPP_HASHNODE (GCC_IDENT_TO_HT_IDENT (%h)) : NULL", 225 "%h ? HT_IDENT_TO_GCC_IDENT (HT_NODE (%h)) : NULL"))) 226 node; 227 /* The original spelling of the identifier. */ 228 cpp_hashnode * 229 GTY ((nested_ptr (union tree_node, 230 "%h ? CPP_HASHNODE (GCC_IDENT_TO_HT_IDENT (%h)) : NULL", 231 "%h ? HT_IDENT_TO_GCC_IDENT (HT_NODE (%h)) : NULL"))) 232 spelling; 233 }; 234 235 /* A preprocessing token. This has been carefully packed and should 236 occupy 16 bytes on 32-bit hosts and 24 bytes on 64-bit hosts. */ 237 struct GTY(()) cpp_token { 238 source_location src_loc; /* Location of first char of token. */ 239 ENUM_BITFIELD(cpp_ttype) type : CHAR_BIT; /* token type */ 240 unsigned short flags; /* flags - see above */ 241 242 union cpp_token_u 243 { 244 /* An identifier. */ 245 struct cpp_identifier GTY ((tag ("CPP_TOKEN_FLD_NODE"))) node; 246 247 /* Inherit padding from this token. */ 248 cpp_token * GTY ((tag ("CPP_TOKEN_FLD_SOURCE"))) source; 249 250 /* A string, or number. */ 251 struct cpp_string GTY ((tag ("CPP_TOKEN_FLD_STR"))) str; 252 253 /* Argument no. (and original spelling) for a CPP_MACRO_ARG. */ 254 struct cpp_macro_arg GTY ((tag ("CPP_TOKEN_FLD_ARG_NO"))) macro_arg; 255 256 /* Original token no. for a CPP_PASTE (from a sequence of 257 consecutive paste tokens in a macro expansion). */ 258 unsigned int GTY ((tag ("CPP_TOKEN_FLD_TOKEN_NO"))) token_no; 259 260 /* Caller-supplied identifier for a CPP_PRAGMA. */ 261 unsigned int GTY ((tag ("CPP_TOKEN_FLD_PRAGMA"))) pragma; 262 } GTY ((desc ("cpp_token_val_index (&%1)"))) val; 263 }; 264 265 /* Say which field is in use. */ 266 extern enum cpp_token_fld_kind cpp_token_val_index (const cpp_token *tok); 267 268 /* A type wide enough to hold any multibyte source character. 269 cpplib's character constant interpreter requires an unsigned type. 270 Also, a typedef for the signed equivalent. 271 The width of this type is capped at 32 bits; there do exist targets 272 where wchar_t is 64 bits, but only in a non-default mode, and there 273 would be no meaningful interpretation for a wchar_t value greater 274 than 2^32 anyway -- the widest wide-character encoding around is 275 ISO 10646, which stops at 2^31. */ 276 #if CHAR_BIT * SIZEOF_INT >= 32 277 # define CPPCHAR_SIGNED_T int 278 #elif CHAR_BIT * SIZEOF_LONG >= 32 279 # define CPPCHAR_SIGNED_T long 280 #else 281 # error "Cannot find a least-32-bit signed integer type" 282 #endif 283 typedef unsigned CPPCHAR_SIGNED_T cppchar_t; 284 typedef CPPCHAR_SIGNED_T cppchar_signed_t; 285 286 /* Style of header dependencies to generate. */ 287 enum cpp_deps_style { DEPS_NONE = 0, DEPS_USER, DEPS_SYSTEM }; 288 289 /* The possible normalization levels, from most restrictive to least. */ 290 enum cpp_normalize_level { 291 /* In NFKC. */ 292 normalized_KC = 0, 293 /* In NFC. */ 294 normalized_C, 295 /* In NFC, except for subsequences where being in NFC would make 296 the identifier invalid. */ 297 normalized_identifier_C, 298 /* Not normalized at all. */ 299 normalized_none 300 }; 301 302 /* This structure is nested inside struct cpp_reader, and 303 carries all the options visible to the command line. */ 304 struct cpp_options 305 { 306 /* Characters between tab stops. */ 307 unsigned int tabstop; 308 309 /* The language we're preprocessing. */ 310 enum c_lang lang; 311 312 /* Nonzero means use extra default include directories for C++. */ 313 unsigned char cplusplus; 314 315 /* Nonzero means handle cplusplus style comments. */ 316 unsigned char cplusplus_comments; 317 318 /* Nonzero means define __OBJC__, treat @ as a special token, use 319 the OBJC[PLUS]_INCLUDE_PATH environment variable, and allow 320 "#import". */ 321 unsigned char objc; 322 323 /* Nonzero means don't copy comments into the output file. */ 324 unsigned char discard_comments; 325 326 /* Nonzero means don't copy comments into the output file during 327 macro expansion. */ 328 unsigned char discard_comments_in_macro_exp; 329 330 /* Nonzero means process the ISO trigraph sequences. */ 331 unsigned char trigraphs; 332 333 /* Nonzero means process the ISO digraph sequences. */ 334 unsigned char digraphs; 335 336 /* Nonzero means to allow hexadecimal floats and LL suffixes. */ 337 unsigned char extended_numbers; 338 339 /* Nonzero means process u/U prefix literals (UTF-16/32). */ 340 unsigned char uliterals; 341 342 /* Nonzero means process r/R raw strings. If this is set, uliterals 343 must be set as well. */ 344 unsigned char rliterals; 345 346 /* Nonzero means print names of header files (-H). */ 347 unsigned char print_include_names; 348 349 /* Nonzero means complain about deprecated features. */ 350 unsigned char cpp_warn_deprecated; 351 352 /* Nonzero means warn if slash-star appears in a comment. */ 353 unsigned char warn_comments; 354 355 /* Nonzero means to warn about __DATA__, __TIME__ and __TIMESTAMP__ usage. */ 356 unsigned char warn_date_time; 357 358 /* Nonzero means warn if a user-supplied include directory does not 359 exist. */ 360 unsigned char warn_missing_include_dirs; 361 362 /* Nonzero means warn if there are any trigraphs. */ 363 unsigned char warn_trigraphs; 364 365 /* Nonzero means warn about multicharacter charconsts. */ 366 unsigned char warn_multichar; 367 368 /* Nonzero means warn about various incompatibilities with 369 traditional C. */ 370 unsigned char cpp_warn_traditional; 371 372 /* Nonzero means warn about long long numeric constants. */ 373 unsigned char cpp_warn_long_long; 374 375 /* Nonzero means warn about text after an #endif (or #else). */ 376 unsigned char warn_endif_labels; 377 378 /* Nonzero means warn about implicit sign changes owing to integer 379 promotions. */ 380 unsigned char warn_num_sign_change; 381 382 /* Zero means don't warn about __VA_ARGS__ usage in c89 pedantic mode. 383 Presumably the usage is protected by the appropriate #ifdef. */ 384 unsigned char warn_variadic_macros; 385 386 /* Nonzero means warn about builtin macros that are redefined or 387 explicitly undefined. */ 388 unsigned char warn_builtin_macro_redefined; 389 390 /* Nonzero means we should look for header.gcc files that remap file 391 names. */ 392 unsigned char remap; 393 394 /* Zero means dollar signs are punctuation. */ 395 unsigned char dollars_in_ident; 396 397 /* Nonzero means UCNs are accepted in identifiers. */ 398 unsigned char extended_identifiers; 399 400 /* True if we should warn about dollars in identifiers or numbers 401 for this translation unit. */ 402 unsigned char warn_dollars; 403 404 /* Nonzero means warn if undefined identifiers are evaluated in an #if. */ 405 unsigned char warn_undef; 406 407 /* Nonzero means warn of unused macros from the main file. */ 408 unsigned char warn_unused_macros; 409 410 /* Nonzero for the 1999 C Standard, including corrigenda and amendments. */ 411 unsigned char c99; 412 413 /* Nonzero if we are conforming to a specific C or C++ standard. */ 414 unsigned char std; 415 416 /* Nonzero means give all the error messages the ANSI standard requires. */ 417 unsigned char cpp_pedantic; 418 419 /* Nonzero means we're looking at already preprocessed code, so don't 420 bother trying to do macro expansion and whatnot. */ 421 unsigned char preprocessed; 422 423 /* Nonzero means we are going to emit debugging logs during 424 preprocessing. */ 425 unsigned char debug; 426 427 /* Nonzero means we are tracking locations of tokens involved in 428 macro expansion. 1 Means we track the location in degraded mode 429 where we do not track locations of tokens resulting from the 430 expansion of arguments of function-like macro. 2 Means we do 431 track all macro expansions. This last option is the one that 432 consumes the highest amount of memory. */ 433 unsigned char track_macro_expansion; 434 435 /* Nonzero means handle C++ alternate operator names. */ 436 unsigned char operator_names; 437 438 /* Nonzero means warn about use of C++ alternate operator names. */ 439 unsigned char warn_cxx_operator_names; 440 441 /* True for traditional preprocessing. */ 442 unsigned char traditional; 443 444 /* Nonzero for C++ 2011 Standard user-defined literals. */ 445 unsigned char user_literals; 446 447 /* Nonzero means warn when a string or character literal is followed by a 448 ud-suffix which does not beging with an underscore. */ 449 unsigned char warn_literal_suffix; 450 451 /* Nonzero means interpret imaginary, fixed-point, or other gnu extension 452 literal number suffixes as user-defined literal number suffixes. */ 453 unsigned char ext_numeric_literals; 454 455 /* Nonzero means extended identifiers allow the characters specified 456 in C11 and C++11. */ 457 unsigned char c11_identifiers; 458 459 /* Nonzero for C++ 2014 Standard binary constants. */ 460 unsigned char binary_constants; 461 462 /* Nonzero for C++ 2014 Standard digit separators. */ 463 unsigned char digit_separators; 464 465 /* Holds the name of the target (execution) character set. */ 466 const char *narrow_charset; 467 468 /* Holds the name of the target wide character set. */ 469 const char *wide_charset; 470 471 /* Holds the name of the input character set. */ 472 const char *input_charset; 473 474 /* The minimum permitted level of normalization before a warning 475 is generated. See enum cpp_normalize_level. */ 476 int warn_normalize; 477 478 /* True to warn about precompiled header files we couldn't use. */ 479 bool warn_invalid_pch; 480 481 /* True if dependencies should be restored from a precompiled header. */ 482 bool restore_pch_deps; 483 484 /* True if warn about differences between C90 and C99. */ 485 signed char cpp_warn_c90_c99_compat; 486 487 /* Dependency generation. */ 488 struct 489 { 490 /* Style of header dependencies to generate. */ 491 enum cpp_deps_style style; 492 493 /* Assume missing files are generated files. */ 494 bool missing_files; 495 496 /* Generate phony targets for each dependency apart from the first 497 one. */ 498 bool phony_targets; 499 500 /* If true, no dependency is generated on the main file. */ 501 bool ignore_main_file; 502 503 /* If true, intend to use the preprocessor output (e.g., for compilation) 504 in addition to the dependency info. */ 505 bool need_preprocessor_output; 506 } deps; 507 508 /* Target-specific features set by the front end or client. */ 509 510 /* Precision for target CPP arithmetic, target characters, target 511 ints and target wide characters, respectively. */ 512 size_t precision, char_precision, int_precision, wchar_precision; 513 514 /* True means chars (wide chars) are unsigned. */ 515 bool unsigned_char, unsigned_wchar; 516 517 /* True if the most significant byte in a word has the lowest 518 address in memory. */ 519 bool bytes_big_endian; 520 521 /* Nonzero means __STDC__ should have the value 0 in system headers. */ 522 unsigned char stdc_0_in_system_headers; 523 524 /* True disables tokenization outside of preprocessing directives. */ 525 bool directives_only; 526 527 /* True enables canonicalization of system header file paths. */ 528 bool canonical_system_headers; 529 }; 530 531 /* Callback for header lookup for HEADER, which is the name of a 532 source file. It is used as a method of last resort to find headers 533 that are not otherwise found during the normal include processing. 534 The return value is the malloced name of a header to try and open, 535 if any, or NULL otherwise. This callback is called only if the 536 header is otherwise unfound. */ 537 typedef const char *(*missing_header_cb)(cpp_reader *, const char *header, cpp_dir **); 538 539 /* Call backs to cpplib client. */ 540 struct cpp_callbacks 541 { 542 /* Called when a new line of preprocessed output is started. */ 543 void (*line_change) (cpp_reader *, const cpp_token *, int); 544 545 /* Called when switching to/from a new file. 546 The line_map is for the new file. It is NULL if there is no new file. 547 (In C this happens when done with <built-in>+<command line> and also 548 when done with a main file.) This can be used for resource cleanup. */ 549 void (*file_change) (cpp_reader *, const struct line_map *); 550 551 void (*dir_change) (cpp_reader *, const char *); 552 void (*include) (cpp_reader *, source_location, const unsigned char *, 553 const char *, int, const cpp_token **); 554 void (*define) (cpp_reader *, source_location, cpp_hashnode *); 555 void (*undef) (cpp_reader *, source_location, cpp_hashnode *); 556 void (*ident) (cpp_reader *, source_location, const cpp_string *); 557 void (*def_pragma) (cpp_reader *, source_location); 558 int (*valid_pch) (cpp_reader *, const char *, int); 559 void (*read_pch) (cpp_reader *, const char *, int, const char *); 560 missing_header_cb missing_header; 561 562 /* Context-sensitive macro support. Returns macro (if any) that should 563 be expanded. */ 564 cpp_hashnode * (*macro_to_expand) (cpp_reader *, const cpp_token *); 565 566 /* Called to emit a diagnostic. This callback receives the 567 translated message. */ 568 bool (*error) (cpp_reader *, int, int, source_location, unsigned int, 569 const char *, va_list *) 570 ATTRIBUTE_FPTR_PRINTF(6,0); 571 572 /* Callbacks for when a macro is expanded, or tested (whether 573 defined or not at the time) in #ifdef, #ifndef or "defined". */ 574 void (*used_define) (cpp_reader *, source_location, cpp_hashnode *); 575 void (*used_undef) (cpp_reader *, source_location, cpp_hashnode *); 576 /* Called before #define and #undef or other macro definition 577 changes are processed. */ 578 void (*before_define) (cpp_reader *); 579 /* Called whenever a macro is expanded or tested. 580 Second argument is the location of the start of the current expansion. */ 581 void (*used) (cpp_reader *, source_location, cpp_hashnode *); 582 583 /* Callback to identify whether an attribute exists. */ 584 int (*has_attribute) (cpp_reader *); 585 586 /* Callback that can change a user builtin into normal macro. */ 587 bool (*user_builtin_macro) (cpp_reader *, cpp_hashnode *); 588 }; 589 590 #ifdef VMS 591 #define INO_T_CPP ino_t ino[3] 592 #else 593 #define INO_T_CPP ino_t ino 594 #endif 595 596 /* Chain of directories to look for include files in. */ 597 struct cpp_dir 598 { 599 /* NULL-terminated singly-linked list. */ 600 struct cpp_dir *next; 601 602 /* NAME of the directory, NUL-terminated. */ 603 char *name; 604 unsigned int len; 605 606 /* One if a system header, two if a system header that has extern 607 "C" guards for C++. */ 608 unsigned char sysp; 609 610 /* Is this a user-supplied directory? */ 611 bool user_supplied_p; 612 613 /* The canonicalized NAME as determined by lrealpath. This field 614 is only used by hosts that lack reliable inode numbers. */ 615 char *canonical_name; 616 617 /* Mapping of file names for this directory for MS-DOS and related 618 platforms. A NULL-terminated array of (from, to) pairs. */ 619 const char **name_map; 620 621 /* Routine to construct pathname, given the search path name and the 622 HEADER we are trying to find, return a constructed pathname to 623 try and open. If this is NULL, the constructed pathname is as 624 constructed by append_file_to_dir. */ 625 char *(*construct) (const char *header, cpp_dir *dir); 626 627 /* The C front end uses these to recognize duplicated 628 directories in the search path. */ 629 INO_T_CPP; 630 dev_t dev; 631 }; 632 633 /* The structure of a node in the hash table. The hash table has 634 entries for all identifiers: either macros defined by #define 635 commands (type NT_MACRO), assertions created with #assert 636 (NT_ASSERTION), or neither of the above (NT_VOID). Builtin macros 637 like __LINE__ are flagged NODE_BUILTIN. Poisoned identifiers are 638 flagged NODE_POISONED. NODE_OPERATOR (C++ only) indicates an 639 identifier that behaves like an operator such as "xor". 640 NODE_DIAGNOSTIC is for speed in lex_token: it indicates a 641 diagnostic may be required for this node. Currently this only 642 applies to __VA_ARGS__, poisoned identifiers, and -Wc++-compat 643 warnings about NODE_OPERATOR. */ 644 645 /* Hash node flags. */ 646 #define NODE_OPERATOR (1 << 0) /* C++ named operator. */ 647 #define NODE_POISONED (1 << 1) /* Poisoned identifier. */ 648 #define NODE_BUILTIN (1 << 2) /* Builtin macro. */ 649 #define NODE_DIAGNOSTIC (1 << 3) /* Possible diagnostic when lexed. */ 650 #define NODE_WARN (1 << 4) /* Warn if redefined or undefined. */ 651 #define NODE_DISABLED (1 << 5) /* A disabled macro. */ 652 #define NODE_MACRO_ARG (1 << 6) /* Used during #define processing. */ 653 #define NODE_USED (1 << 7) /* Dumped with -dU. */ 654 #define NODE_CONDITIONAL (1 << 8) /* Conditional macro */ 655 #define NODE_WARN_OPERATOR (1 << 9) /* Warn about C++ named operator. */ 656 657 /* Different flavors of hash node. */ 658 enum node_type 659 { 660 NT_VOID = 0, /* No definition yet. */ 661 NT_MACRO, /* A macro of some form. */ 662 NT_ASSERTION /* Predicate for #assert. */ 663 }; 664 665 /* Different flavors of builtin macro. _Pragma is an operator, but we 666 handle it with the builtin code for efficiency reasons. */ 667 enum cpp_builtin_type 668 { 669 BT_SPECLINE = 0, /* `__LINE__' */ 670 BT_DATE, /* `__DATE__' */ 671 BT_FILE, /* `__FILE__' */ 672 BT_BASE_FILE, /* `__BASE_FILE__' */ 673 BT_INCLUDE_LEVEL, /* `__INCLUDE_LEVEL__' */ 674 BT_TIME, /* `__TIME__' */ 675 BT_STDC, /* `__STDC__' */ 676 BT_PRAGMA, /* `_Pragma' operator */ 677 BT_TIMESTAMP, /* `__TIMESTAMP__' */ 678 BT_COUNTER, /* `__COUNTER__' */ 679 BT_HAS_ATTRIBUTE, /* `__has_attribute__(x)' */ 680 BT_FIRST_USER, /* User defined builtin macros. */ 681 BT_LAST_USER = BT_FIRST_USER + 31 682 }; 683 684 #define CPP_HASHNODE(HNODE) ((cpp_hashnode *) (HNODE)) 685 #define HT_NODE(NODE) ((ht_identifier *) (NODE)) 686 #define NODE_LEN(NODE) HT_LEN (&(NODE)->ident) 687 #define NODE_NAME(NODE) HT_STR (&(NODE)->ident) 688 689 /* Specify which field, if any, of the union is used. */ 690 691 enum { 692 NTV_MACRO, 693 NTV_ANSWER, 694 NTV_BUILTIN, 695 NTV_ARGUMENT, 696 NTV_NONE 697 }; 698 699 #define CPP_HASHNODE_VALUE_IDX(HNODE) \ 700 ((HNODE.flags & NODE_MACRO_ARG) ? NTV_ARGUMENT \ 701 : HNODE.type == NT_MACRO ? ((HNODE.flags & NODE_BUILTIN) \ 702 ? NTV_BUILTIN : NTV_MACRO) \ 703 : HNODE.type == NT_ASSERTION ? NTV_ANSWER \ 704 : NTV_NONE) 705 706 /* The common part of an identifier node shared amongst all 3 C front 707 ends. Also used to store CPP identifiers, which are a superset of 708 identifiers in the grammatical sense. */ 709 710 union GTY(()) _cpp_hashnode_value { 711 /* If a macro. */ 712 cpp_macro * GTY((tag ("NTV_MACRO"))) macro; 713 /* Answers to an assertion. */ 714 struct answer * GTY ((tag ("NTV_ANSWER"))) answers; 715 /* Code for a builtin macro. */ 716 enum cpp_builtin_type GTY ((tag ("NTV_BUILTIN"))) builtin; 717 /* Macro argument index. */ 718 unsigned short GTY ((tag ("NTV_ARGUMENT"))) arg_index; 719 }; 720 721 struct GTY(()) cpp_hashnode { 722 struct ht_identifier ident; 723 unsigned int is_directive : 1; 724 unsigned int directive_index : 7; /* If is_directive, 725 then index into directive table. 726 Otherwise, a NODE_OPERATOR. */ 727 unsigned char rid_code; /* Rid code - for front ends. */ 728 ENUM_BITFIELD(node_type) type : 6; /* CPP node type. */ 729 unsigned int flags : 10; /* CPP flags. */ 730 731 union _cpp_hashnode_value GTY ((desc ("CPP_HASHNODE_VALUE_IDX (%1)"))) value; 732 }; 733 734 /* Call this first to get a handle to pass to other functions. 735 736 If you want cpplib to manage its own hashtable, pass in a NULL 737 pointer. Otherwise you should pass in an initialized hash table 738 that cpplib will share; this technique is used by the C front 739 ends. */ 740 extern cpp_reader *cpp_create_reader (enum c_lang, struct ht *, 741 struct line_maps *); 742 743 /* Reset the cpp_reader's line_map. This is only used after reading a 744 PCH file. */ 745 extern void cpp_set_line_map (cpp_reader *, struct line_maps *); 746 747 /* Call this to change the selected language standard (e.g. because of 748 command line options). */ 749 extern void cpp_set_lang (cpp_reader *, enum c_lang); 750 751 /* Set the include paths. */ 752 extern void cpp_set_include_chains (cpp_reader *, cpp_dir *, cpp_dir *, int); 753 754 /* Provide src:dst pair for __FILE__ remapping. */ 755 extern void add_cpp_remap_path (const char *); 756 757 /* Call these to get pointers to the options, callback, and deps 758 structures for a given reader. These pointers are good until you 759 call cpp_finish on that reader. You can either edit the callbacks 760 through the pointer returned from cpp_get_callbacks, or set them 761 with cpp_set_callbacks. */ 762 extern cpp_options *cpp_get_options (cpp_reader *); 763 extern cpp_callbacks *cpp_get_callbacks (cpp_reader *); 764 extern void cpp_set_callbacks (cpp_reader *, cpp_callbacks *); 765 extern struct deps *cpp_get_deps (cpp_reader *); 766 767 /* This function reads the file, but does not start preprocessing. It 768 returns the name of the original file; this is the same as the 769 input file, except for preprocessed input. This will generate at 770 least one file change callback, and possibly a line change callback 771 too. If there was an error opening the file, it returns NULL. */ 772 extern const char *cpp_read_main_file (cpp_reader *, const char *); 773 774 /* Set up built-ins with special behavior. Use cpp_init_builtins() 775 instead unless your know what you are doing. */ 776 extern void cpp_init_special_builtins (cpp_reader *); 777 778 /* Set up built-ins like __FILE__. */ 779 extern void cpp_init_builtins (cpp_reader *, int); 780 781 /* This is called after options have been parsed, and partially 782 processed. */ 783 extern void cpp_post_options (cpp_reader *); 784 785 /* Set up translation to the target character set. */ 786 extern void cpp_init_iconv (cpp_reader *); 787 788 /* Call this to finish preprocessing. If you requested dependency 789 generation, pass an open stream to write the information to, 790 otherwise NULL. It is your responsibility to close the stream. */ 791 extern void cpp_finish (cpp_reader *, FILE *deps_stream); 792 793 /* Call this to release the handle at the end of preprocessing. Any 794 use of the handle after this function returns is invalid. */ 795 extern void cpp_destroy (cpp_reader *); 796 797 extern unsigned int cpp_token_len (const cpp_token *); 798 extern unsigned char *cpp_token_as_text (cpp_reader *, const cpp_token *); 799 extern unsigned char *cpp_spell_token (cpp_reader *, const cpp_token *, 800 unsigned char *, bool); 801 extern void cpp_register_pragma (cpp_reader *, const char *, const char *, 802 void (*) (cpp_reader *), bool); 803 extern void cpp_register_deferred_pragma (cpp_reader *, const char *, 804 const char *, unsigned, bool, bool); 805 extern int cpp_avoid_paste (cpp_reader *, const cpp_token *, 806 const cpp_token *); 807 extern const cpp_token *cpp_get_token (cpp_reader *); 808 extern const cpp_token *cpp_get_token_with_location (cpp_reader *, 809 source_location *); 810 extern bool cpp_fun_like_macro_p (cpp_hashnode *); 811 extern const unsigned char *cpp_macro_definition (cpp_reader *, 812 cpp_hashnode *); 813 extern void _cpp_backup_tokens (cpp_reader *, unsigned int); 814 extern const cpp_token *cpp_peek_token (cpp_reader *, int); 815 816 /* Evaluate a CPP_*CHAR* token. */ 817 extern cppchar_t cpp_interpret_charconst (cpp_reader *, const cpp_token *, 818 unsigned int *, int *); 819 /* Evaluate a vector of CPP_*STRING* tokens. */ 820 extern bool cpp_interpret_string (cpp_reader *, 821 const cpp_string *, size_t, 822 cpp_string *, enum cpp_ttype); 823 extern bool cpp_interpret_string_notranslate (cpp_reader *, 824 const cpp_string *, size_t, 825 cpp_string *, enum cpp_ttype); 826 827 /* Convert a host character constant to the execution character set. */ 828 extern cppchar_t cpp_host_to_exec_charset (cpp_reader *, cppchar_t); 829 830 /* Used to register macros and assertions, perhaps from the command line. 831 The text is the same as the command line argument. */ 832 extern void cpp_define (cpp_reader *, const char *); 833 extern void cpp_define_formatted (cpp_reader *pfile, 834 const char *fmt, ...) ATTRIBUTE_PRINTF_2; 835 extern void cpp_assert (cpp_reader *, const char *); 836 extern void cpp_undef (cpp_reader *, const char *); 837 extern void cpp_unassert (cpp_reader *, const char *); 838 839 /* Undefine all macros and assertions. */ 840 extern void cpp_undef_all (cpp_reader *); 841 842 extern cpp_buffer *cpp_push_buffer (cpp_reader *, const unsigned char *, 843 size_t, int); 844 extern int cpp_defined (cpp_reader *, const unsigned char *, int); 845 846 /* A preprocessing number. Code assumes that any unused high bits of 847 the double integer are set to zero. */ 848 849 /* This type has to be equal to unsigned HOST_WIDE_INT, see 850 gcc/c-family/c-lex.c. */ 851 typedef uint64_t cpp_num_part; 852 typedef struct cpp_num cpp_num; 853 struct cpp_num 854 { 855 cpp_num_part high; 856 cpp_num_part low; 857 bool unsignedp; /* True if value should be treated as unsigned. */ 858 bool overflow; /* True if the most recent calculation overflowed. */ 859 }; 860 861 /* cpplib provides two interfaces for interpretation of preprocessing 862 numbers. 863 864 cpp_classify_number categorizes numeric constants according to 865 their field (integer, floating point, or invalid), radix (decimal, 866 octal, hexadecimal), and type suffixes. */ 867 868 #define CPP_N_CATEGORY 0x000F 869 #define CPP_N_INVALID 0x0000 870 #define CPP_N_INTEGER 0x0001 871 #define CPP_N_FLOATING 0x0002 872 873 #define CPP_N_WIDTH 0x00F0 874 #define CPP_N_SMALL 0x0010 /* int, float, shrot _Fract/Accum */ 875 #define CPP_N_MEDIUM 0x0020 /* long, double, long _Fract/_Accum. */ 876 #define CPP_N_LARGE 0x0040 /* long long, long double, 877 long long _Fract/Accum. */ 878 879 #define CPP_N_WIDTH_MD 0xF0000 /* machine defined. */ 880 #define CPP_N_MD_W 0x10000 881 #define CPP_N_MD_Q 0x20000 882 883 #define CPP_N_RADIX 0x0F00 884 #define CPP_N_DECIMAL 0x0100 885 #define CPP_N_HEX 0x0200 886 #define CPP_N_OCTAL 0x0400 887 #define CPP_N_BINARY 0x0800 888 889 #define CPP_N_UNSIGNED 0x1000 /* Properties. */ 890 #define CPP_N_IMAGINARY 0x2000 891 #define CPP_N_DFLOAT 0x4000 892 #define CPP_N_DEFAULT 0x8000 893 894 #define CPP_N_FRACT 0x100000 /* Fract types. */ 895 #define CPP_N_ACCUM 0x200000 /* Accum types. */ 896 897 #define CPP_N_USERDEF 0x1000000 /* C++0x user-defined literal. */ 898 899 /* Classify a CPP_NUMBER token. The return value is a combination of 900 the flags from the above sets. */ 901 extern unsigned cpp_classify_number (cpp_reader *, const cpp_token *, 902 const char **, source_location); 903 904 /* Return the classification flags for a float suffix. */ 905 extern unsigned int cpp_interpret_float_suffix (cpp_reader *, const char *, 906 size_t); 907 908 /* Return the classification flags for an int suffix. */ 909 extern unsigned int cpp_interpret_int_suffix (cpp_reader *, const char *, 910 size_t); 911 912 /* Evaluate a token classified as category CPP_N_INTEGER. */ 913 extern cpp_num cpp_interpret_integer (cpp_reader *, const cpp_token *, 914 unsigned int); 915 916 /* Sign extend a number, with PRECISION significant bits and all 917 others assumed clear, to fill out a cpp_num structure. */ 918 cpp_num cpp_num_sign_extend (cpp_num, size_t); 919 920 /* Diagnostic levels. To get a diagnostic without associating a 921 position in the translation unit with it, use cpp_error_with_line 922 with a line number of zero. */ 923 924 enum { 925 /* Warning, an error with -Werror. */ 926 CPP_DL_WARNING = 0, 927 /* Same as CPP_DL_WARNING, except it is not suppressed in system headers. */ 928 CPP_DL_WARNING_SYSHDR, 929 /* Warning, an error with -pedantic-errors or -Werror. */ 930 CPP_DL_PEDWARN, 931 /* An error. */ 932 CPP_DL_ERROR, 933 /* An internal consistency check failed. Prints "internal error: ", 934 otherwise the same as CPP_DL_ERROR. */ 935 CPP_DL_ICE, 936 /* An informative note following a warning. */ 937 CPP_DL_NOTE, 938 /* A fatal error. */ 939 CPP_DL_FATAL 940 }; 941 942 /* Warning reason codes. Use a reason code of zero for unclassified warnings 943 and errors that are not warnings. */ 944 enum { 945 CPP_W_NONE = 0, 946 CPP_W_DEPRECATED, 947 CPP_W_COMMENTS, 948 CPP_W_MISSING_INCLUDE_DIRS, 949 CPP_W_TRIGRAPHS, 950 CPP_W_MULTICHAR, 951 CPP_W_TRADITIONAL, 952 CPP_W_LONG_LONG, 953 CPP_W_ENDIF_LABELS, 954 CPP_W_NUM_SIGN_CHANGE, 955 CPP_W_VARIADIC_MACROS, 956 CPP_W_BUILTIN_MACRO_REDEFINED, 957 CPP_W_DOLLARS, 958 CPP_W_UNDEF, 959 CPP_W_UNUSED_MACROS, 960 CPP_W_CXX_OPERATOR_NAMES, 961 CPP_W_NORMALIZE, 962 CPP_W_INVALID_PCH, 963 CPP_W_WARNING_DIRECTIVE, 964 CPP_W_LITERAL_SUFFIX, 965 CPP_W_DATE_TIME, 966 CPP_W_PEDANTIC, 967 CPP_W_C90_C99_COMPAT 968 }; 969 970 /* Output a diagnostic of some kind. */ 971 extern bool cpp_error (cpp_reader *, int, const char *msgid, ...) 972 ATTRIBUTE_PRINTF_3; 973 extern bool cpp_warning (cpp_reader *, int, const char *msgid, ...) 974 ATTRIBUTE_PRINTF_3; 975 extern bool cpp_pedwarning (cpp_reader *, int, const char *msgid, ...) 976 ATTRIBUTE_PRINTF_3; 977 extern bool cpp_warning_syshdr (cpp_reader *, int, const char *msgid, ...) 978 ATTRIBUTE_PRINTF_3; 979 980 /* Output a diagnostic with "MSGID: " preceding the 981 error string of errno. No location is printed. */ 982 extern bool cpp_errno (cpp_reader *, int, const char *msgid); 983 /* Similarly, but with "FILENAME: " instead of "MSGID: ", where 984 the filename is not localized. */ 985 extern bool cpp_errno_filename (cpp_reader *, int, const char *filename); 986 987 /* Same as cpp_error, except additionally specifies a position as a 988 (translation unit) physical line and physical column. If the line is 989 zero, then no location is printed. */ 990 extern bool cpp_error_with_line (cpp_reader *, int, source_location, 991 unsigned, const char *msgid, ...) 992 ATTRIBUTE_PRINTF_5; 993 extern bool cpp_warning_with_line (cpp_reader *, int, source_location, 994 unsigned, const char *msgid, ...) 995 ATTRIBUTE_PRINTF_5; 996 extern bool cpp_pedwarning_with_line (cpp_reader *, int, source_location, 997 unsigned, const char *msgid, ...) 998 ATTRIBUTE_PRINTF_5; 999 extern bool cpp_warning_with_line_syshdr (cpp_reader *, int, source_location, 1000 unsigned, const char *msgid, ...) 1001 ATTRIBUTE_PRINTF_5; 1002 1003 /* In lex.c */ 1004 extern int cpp_ideq (const cpp_token *, const char *); 1005 extern void cpp_output_line (cpp_reader *, FILE *); 1006 extern unsigned char *cpp_output_line_to_string (cpp_reader *, 1007 const unsigned char *); 1008 extern void cpp_output_token (const cpp_token *, FILE *); 1009 extern const char *cpp_type2name (enum cpp_ttype, unsigned char flags); 1010 /* Returns the value of an escape sequence, truncated to the correct 1011 target precision. PSTR points to the input pointer, which is just 1012 after the backslash. LIMIT is how much text we have. WIDE is true 1013 if the escape sequence is part of a wide character constant or 1014 string literal. Handles all relevant diagnostics. */ 1015 extern cppchar_t cpp_parse_escape (cpp_reader *, const unsigned char ** pstr, 1016 const unsigned char *limit, int wide); 1017 1018 /* Structure used to hold a comment block at a given location in the 1019 source code. */ 1020 1021 typedef struct 1022 { 1023 /* Text of the comment including the terminators. */ 1024 char *comment; 1025 1026 /* source location for the given comment. */ 1027 source_location sloc; 1028 } cpp_comment; 1029 1030 /* Structure holding all comments for a given cpp_reader. */ 1031 1032 typedef struct 1033 { 1034 /* table of comment entries. */ 1035 cpp_comment *entries; 1036 1037 /* number of actual entries entered in the table. */ 1038 int count; 1039 1040 /* number of entries allocated currently. */ 1041 int allocated; 1042 } cpp_comment_table; 1043 1044 /* Returns the table of comments encountered by the preprocessor. This 1045 table is only populated when pfile->state.save_comments is true. */ 1046 extern cpp_comment_table *cpp_get_comments (cpp_reader *); 1047 1048 /* In hash.c */ 1049 1050 /* Lookup an identifier in the hashtable. Puts the identifier in the 1051 table if it is not already there. */ 1052 extern cpp_hashnode *cpp_lookup (cpp_reader *, const unsigned char *, 1053 unsigned int); 1054 1055 typedef int (*cpp_cb) (cpp_reader *, cpp_hashnode *, void *); 1056 extern void cpp_forall_identifiers (cpp_reader *, cpp_cb, void *); 1057 1058 /* In macro.c */ 1059 extern void cpp_scan_nooutput (cpp_reader *); 1060 extern int cpp_sys_macro_p (cpp_reader *); 1061 extern unsigned char *cpp_quote_string (unsigned char *, const unsigned char *, 1062 unsigned int); 1063 1064 /* In files.c */ 1065 extern bool cpp_included (cpp_reader *, const char *); 1066 extern bool cpp_included_before (cpp_reader *, const char *, source_location); 1067 extern void cpp_make_system_header (cpp_reader *, int, int); 1068 extern bool cpp_push_include (cpp_reader *, const char *); 1069 extern bool cpp_push_default_include (cpp_reader *, const char *); 1070 extern void cpp_change_file (cpp_reader *, enum lc_reason, const char *); 1071 extern const char *cpp_get_path (struct _cpp_file *); 1072 extern cpp_dir *cpp_get_dir (struct _cpp_file *); 1073 extern cpp_buffer *cpp_get_buffer (cpp_reader *); 1074 extern struct _cpp_file *cpp_get_file (cpp_buffer *); 1075 extern cpp_buffer *cpp_get_prev (cpp_buffer *); 1076 extern void cpp_clear_file_cache (cpp_reader *); 1077 1078 /* In pch.c */ 1079 struct save_macro_data; 1080 extern int cpp_save_state (cpp_reader *, FILE *); 1081 extern int cpp_write_pch_deps (cpp_reader *, FILE *); 1082 extern int cpp_write_pch_state (cpp_reader *, FILE *); 1083 extern int cpp_valid_state (cpp_reader *, const char *, int); 1084 extern void cpp_prepare_state (cpp_reader *, struct save_macro_data **); 1085 extern int cpp_read_state (cpp_reader *, const char *, FILE *, 1086 struct save_macro_data *); 1087 1088 /* In lex.c */ 1089 extern void cpp_force_token_locations (cpp_reader *, source_location *); 1090 extern void cpp_stop_forcing_token_locations (cpp_reader *); 1091 1092 /* In expr.c */ 1093 extern enum cpp_ttype cpp_userdef_string_remove_type 1094 (enum cpp_ttype type); 1095 extern enum cpp_ttype cpp_userdef_string_add_type 1096 (enum cpp_ttype type); 1097 extern enum cpp_ttype cpp_userdef_char_remove_type 1098 (enum cpp_ttype type); 1099 extern enum cpp_ttype cpp_userdef_char_add_type 1100 (enum cpp_ttype type); 1101 extern bool cpp_userdef_string_p 1102 (enum cpp_ttype type); 1103 extern bool cpp_userdef_char_p 1104 (enum cpp_ttype type); 1105 extern const char * cpp_get_userdef_suffix 1106 (const cpp_token *); 1107 1108 #endif /* ! LIBCPP_CPPLIB_H */ 1109