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annotate libcpp/include/cpplib.h @ 158:494b0b89df80 default tip
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| author | Shinji KONO <kono@ie.u-ryukyu.ac.jp> |
|---|---|
| date | Mon, 25 May 2020 18:13:55 +0900 |
| parents | 1830386684a0 |
| children |
| rev | line source |
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| 0 | 1 /* Definitions for CPP library. |
| 145 | 2 Copyright (C) 1995-2020 Free Software Foundation, Inc. |
| 0 | 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 _cpp_file; | |
| 40 | |
| 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. | |
| 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 | |
| 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. */ | |
| 51 | |
| 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, "<<") \ | |
| 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, "<=") \ | |
| 145 | 81 OP(SPACESHIP, "<=>") \ |
| 0 | 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' */ \ | |
| 111 | 122 TK(UTF8CHAR, LITERAL) /* u8'char' */ \ |
| 0 | 123 TK(OTHER, LITERAL) /* stray punctuation */ \ |
| 124 \ | |
| 125 TK(STRING, LITERAL) /* "string" */ \ | |
| 126 TK(WSTRING, LITERAL) /* L"string" */ \ | |
| 127 TK(STRING16, LITERAL) /* u"string" */ \ | |
| 128 TK(STRING32, LITERAL) /* U"string" */ \ | |
|
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129 TK(UTF8STRING, LITERAL) /* u8"string" */ \ |
| 0 | 130 TK(OBJC_STRING, LITERAL) /* @"string" - Objective-C */ \ |
| 131 TK(HEADER_NAME, LITERAL) /* <stdio.h> in #include */ \ | |
| 132 \ | |
| 111 | 133 TK(CHAR_USERDEF, LITERAL) /* 'char'_suffix - C++-0x */ \ |
| 134 TK(WCHAR_USERDEF, LITERAL) /* L'char'_suffix - C++-0x */ \ | |
| 135 TK(CHAR16_USERDEF, LITERAL) /* u'char'_suffix - C++-0x */ \ | |
| 136 TK(CHAR32_USERDEF, LITERAL) /* U'char'_suffix - C++-0x */ \ | |
| 137 TK(UTF8CHAR_USERDEF, LITERAL) /* u8'char'_suffix - C++-0x */ \ | |
| 138 TK(STRING_USERDEF, LITERAL) /* "string"_suffix - C++-0x */ \ | |
| 139 TK(WSTRING_USERDEF, LITERAL) /* L"string"_suffix - C++-0x */ \ | |
| 140 TK(STRING16_USERDEF, LITERAL) /* u"string"_suffix - C++-0x */ \ | |
| 141 TK(STRING32_USERDEF, LITERAL) /* U"string"_suffix - C++-0x */ \ | |
| 142 TK(UTF8STRING_USERDEF,LITERAL) /* u8"string"_suffix - C++-0x */ \ | |
| 143 \ | |
| 0 | 144 TK(COMMENT, LITERAL) /* Only if output comments. */ \ |
| 145 /* SPELL_LITERAL happens to DTRT. */ \ | |
| 146 TK(MACRO_ARG, NONE) /* Macro argument. */ \ | |
| 147 TK(PRAGMA, NONE) /* Only for deferred pragmas. */ \ | |
| 148 TK(PRAGMA_EOL, NONE) /* End-of-line for deferred pragmas. */ \ | |
| 149 TK(PADDING, NONE) /* Whitespace for -E. */ | |
| 150 | |
| 151 #define OP(e, s) CPP_ ## e, | |
| 152 #define TK(e, s) CPP_ ## e, | |
| 153 enum cpp_ttype | |
| 154 { | |
| 155 TTYPE_TABLE | |
| 156 N_TTYPES, | |
| 157 | |
| 111 | 158 /* A token type for keywords, as opposed to ordinary identifiers. */ |
| 159 CPP_KEYWORD, | |
| 160 | |
| 0 | 161 /* Positions in the table. */ |
| 162 CPP_LAST_EQ = CPP_LSHIFT, | |
| 163 CPP_FIRST_DIGRAPH = CPP_HASH, | |
| 164 CPP_LAST_PUNCTUATOR= CPP_ATSIGN, | |
| 165 CPP_LAST_CPP_OP = CPP_LESS_EQ | |
| 166 }; | |
| 167 #undef OP | |
| 168 #undef TK | |
| 169 | |
| 170 /* C language kind, used when calling cpp_create_reader. */ | |
| 131 | 171 enum c_lang {CLK_GNUC89 = 0, CLK_GNUC99, CLK_GNUC11, CLK_GNUC17, CLK_GNUC2X, |
| 172 CLK_STDC89, CLK_STDC94, CLK_STDC99, CLK_STDC11, CLK_STDC17, | |
| 173 CLK_STDC2X, | |
| 111 | 174 CLK_GNUCXX, CLK_CXX98, CLK_GNUCXX11, CLK_CXX11, |
| 175 CLK_GNUCXX14, CLK_CXX14, CLK_GNUCXX17, CLK_CXX17, | |
| 176 CLK_GNUCXX2A, CLK_CXX2A, CLK_ASM}; | |
| 0 | 177 |
| 178 /* Payload of a NUMBER, STRING, CHAR or COMMENT token. */ | |
|
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179 struct GTY(()) cpp_string { |
| 0 | 180 unsigned int len; |
| 181 const unsigned char *text; | |
| 182 }; | |
| 183 | |
| 184 /* Flags for the cpp_token structure. */ | |
| 185 #define PREV_WHITE (1 << 0) /* If whitespace before this token. */ | |
| 186 #define DIGRAPH (1 << 1) /* If it was a digraph. */ | |
| 187 #define STRINGIFY_ARG (1 << 2) /* If macro argument to be stringified. */ | |
| 188 #define PASTE_LEFT (1 << 3) /* If on LHS of a ## operator. */ | |
| 189 #define NAMED_OP (1 << 4) /* C++ named operators. */ | |
| 111 | 190 #define PREV_FALLTHROUGH (1 << 5) /* On a token preceeded by FALLTHROUGH |
| 191 comment. */ | |
| 0 | 192 #define BOL (1 << 6) /* Token at beginning of line. */ |
| 193 #define PURE_ZERO (1 << 7) /* Single 0 digit, used by the C++ frontend, | |
| 194 set in c-lex.c. */ | |
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195 #define SP_DIGRAPH (1 << 8) /* # or ## token was a digraph. */ |
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196 #define SP_PREV_WHITE (1 << 9) /* If whitespace before a ## |
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197 operator, or before this token |
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198 after a # operator. */ |
| 111 | 199 #define NO_EXPAND (1 << 10) /* Do not macro-expand this token. */ |
| 0 | 200 |
| 201 /* Specify which field, if any, of the cpp_token union is used. */ | |
| 202 | |
| 203 enum cpp_token_fld_kind { | |
| 204 CPP_TOKEN_FLD_NODE, | |
| 205 CPP_TOKEN_FLD_SOURCE, | |
| 206 CPP_TOKEN_FLD_STR, | |
| 207 CPP_TOKEN_FLD_ARG_NO, | |
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208 CPP_TOKEN_FLD_TOKEN_NO, |
| 0 | 209 CPP_TOKEN_FLD_PRAGMA, |
| 210 CPP_TOKEN_FLD_NONE | |
| 211 }; | |
| 212 | |
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213 /* A macro argument in the cpp_token union. */ |
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214 struct GTY(()) cpp_macro_arg { |
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215 /* Argument number. */ |
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216 unsigned int arg_no; |
| 111 | 217 /* The original spelling of the macro argument token. */ |
| 218 cpp_hashnode * | |
| 219 GTY ((nested_ptr (union tree_node, | |
| 220 "%h ? CPP_HASHNODE (GCC_IDENT_TO_HT_IDENT (%h)) : NULL", | |
| 221 "%h ? HT_IDENT_TO_GCC_IDENT (HT_NODE (%h)) : NULL"))) | |
| 222 spelling; | |
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223 }; |
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224 |
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225 /* An identifier in the cpp_token union. */ |
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226 struct GTY(()) cpp_identifier { |
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227 /* The canonical (UTF-8) spelling of the identifier. */ |
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228 cpp_hashnode * |
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229 GTY ((nested_ptr (union tree_node, |
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230 "%h ? CPP_HASHNODE (GCC_IDENT_TO_HT_IDENT (%h)) : NULL", |
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231 "%h ? HT_IDENT_TO_GCC_IDENT (HT_NODE (%h)) : NULL"))) |
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232 node; |
| 111 | 233 /* The original spelling of the identifier. */ |
| 234 cpp_hashnode * | |
| 235 GTY ((nested_ptr (union tree_node, | |
| 236 "%h ? CPP_HASHNODE (GCC_IDENT_TO_HT_IDENT (%h)) : NULL", | |
| 237 "%h ? HT_IDENT_TO_GCC_IDENT (HT_NODE (%h)) : NULL"))) | |
| 238 spelling; | |
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239 }; |
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240 |
| 0 | 241 /* A preprocessing token. This has been carefully packed and should |
| 242 occupy 16 bytes on 32-bit hosts and 24 bytes on 64-bit hosts. */ | |
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243 struct GTY(()) cpp_token { |
| 145 | 244 |
| 245 /* Location of first char of token, together with range of full token. */ | |
| 246 location_t src_loc; | |
| 247 | |
| 0 | 248 ENUM_BITFIELD(cpp_ttype) type : CHAR_BIT; /* token type */ |
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249 unsigned short flags; /* flags - see above */ |
| 0 | 250 |
| 251 union cpp_token_u | |
| 252 { | |
| 253 /* An identifier. */ | |
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254 struct cpp_identifier GTY ((tag ("CPP_TOKEN_FLD_NODE"))) node; |
| 0 | 255 |
| 256 /* Inherit padding from this token. */ | |
| 257 cpp_token * GTY ((tag ("CPP_TOKEN_FLD_SOURCE"))) source; | |
| 258 | |
| 259 /* A string, or number. */ | |
| 260 struct cpp_string GTY ((tag ("CPP_TOKEN_FLD_STR"))) str; | |
| 261 | |
| 111 | 262 /* Argument no. (and original spelling) for a CPP_MACRO_ARG. */ |
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263 struct cpp_macro_arg GTY ((tag ("CPP_TOKEN_FLD_ARG_NO"))) macro_arg; |
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264 |
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265 /* Original token no. for a CPP_PASTE (from a sequence of |
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266 consecutive paste tokens in a macro expansion). */ |
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267 unsigned int GTY ((tag ("CPP_TOKEN_FLD_TOKEN_NO"))) token_no; |
| 0 | 268 |
| 269 /* Caller-supplied identifier for a CPP_PRAGMA. */ | |
| 270 unsigned int GTY ((tag ("CPP_TOKEN_FLD_PRAGMA"))) pragma; | |
| 271 } GTY ((desc ("cpp_token_val_index (&%1)"))) val; | |
| 272 }; | |
| 273 | |
| 274 /* Say which field is in use. */ | |
| 111 | 275 extern enum cpp_token_fld_kind cpp_token_val_index (const cpp_token *tok); |
| 0 | 276 |
| 277 /* A type wide enough to hold any multibyte source character. | |
| 278 cpplib's character constant interpreter requires an unsigned type. | |
| 279 Also, a typedef for the signed equivalent. | |
| 280 The width of this type is capped at 32 bits; there do exist targets | |
| 281 where wchar_t is 64 bits, but only in a non-default mode, and there | |
| 282 would be no meaningful interpretation for a wchar_t value greater | |
| 283 than 2^32 anyway -- the widest wide-character encoding around is | |
| 284 ISO 10646, which stops at 2^31. */ | |
| 285 #if CHAR_BIT * SIZEOF_INT >= 32 | |
| 286 # define CPPCHAR_SIGNED_T int | |
| 287 #elif CHAR_BIT * SIZEOF_LONG >= 32 | |
| 288 # define CPPCHAR_SIGNED_T long | |
| 289 #else | |
| 290 # error "Cannot find a least-32-bit signed integer type" | |
| 291 #endif | |
| 292 typedef unsigned CPPCHAR_SIGNED_T cppchar_t; | |
| 293 typedef CPPCHAR_SIGNED_T cppchar_signed_t; | |
| 294 | |
| 295 /* Style of header dependencies to generate. */ | |
| 296 enum cpp_deps_style { DEPS_NONE = 0, DEPS_USER, DEPS_SYSTEM }; | |
| 297 | |
| 298 /* The possible normalization levels, from most restrictive to least. */ | |
| 299 enum cpp_normalize_level { | |
| 300 /* In NFKC. */ | |
| 301 normalized_KC = 0, | |
| 302 /* In NFC. */ | |
| 303 normalized_C, | |
| 304 /* In NFC, except for subsequences where being in NFC would make | |
| 305 the identifier invalid. */ | |
| 306 normalized_identifier_C, | |
| 307 /* Not normalized at all. */ | |
| 308 normalized_none | |
| 309 }; | |
| 310 | |
| 311 /* This structure is nested inside struct cpp_reader, and | |
| 312 carries all the options visible to the command line. */ | |
| 313 struct cpp_options | |
| 314 { | |
| 315 /* Characters between tab stops. */ | |
| 316 unsigned int tabstop; | |
| 317 | |
| 318 /* The language we're preprocessing. */ | |
| 319 enum c_lang lang; | |
| 320 | |
| 321 /* Nonzero means use extra default include directories for C++. */ | |
| 322 unsigned char cplusplus; | |
| 323 | |
| 324 /* Nonzero means handle cplusplus style comments. */ | |
| 325 unsigned char cplusplus_comments; | |
| 326 | |
| 327 /* Nonzero means define __OBJC__, treat @ as a special token, use | |
| 328 the OBJC[PLUS]_INCLUDE_PATH environment variable, and allow | |
| 329 "#import". */ | |
| 330 unsigned char objc; | |
| 331 | |
| 332 /* Nonzero means don't copy comments into the output file. */ | |
| 333 unsigned char discard_comments; | |
| 334 | |
| 335 /* Nonzero means don't copy comments into the output file during | |
| 336 macro expansion. */ | |
| 337 unsigned char discard_comments_in_macro_exp; | |
| 338 | |
| 339 /* Nonzero means process the ISO trigraph sequences. */ | |
| 340 unsigned char trigraphs; | |
| 341 | |
| 342 /* Nonzero means process the ISO digraph sequences. */ | |
| 343 unsigned char digraphs; | |
| 344 | |
| 345 /* Nonzero means to allow hexadecimal floats and LL suffixes. */ | |
| 346 unsigned char extended_numbers; | |
| 347 | |
| 348 /* Nonzero means process u/U prefix literals (UTF-16/32). */ | |
| 349 unsigned char uliterals; | |
| 350 | |
| 111 | 351 /* Nonzero means process u8 prefixed character literals (UTF-8). */ |
| 352 unsigned char utf8_char_literals; | |
| 353 | |
| 354 /* Nonzero means process r/R raw strings. If this is set, uliterals | |
| 355 must be set as well. */ | |
| 356 unsigned char rliterals; | |
| 357 | |
| 0 | 358 /* Nonzero means print names of header files (-H). */ |
| 359 unsigned char print_include_names; | |
| 360 | |
| 361 /* Nonzero means complain about deprecated features. */ | |
|
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362 unsigned char cpp_warn_deprecated; |
| 0 | 363 |
| 364 /* Nonzero means warn if slash-star appears in a comment. */ | |
| 365 unsigned char warn_comments; | |
| 366 | |
| 111 | 367 /* Nonzero means to warn about __DATA__, __TIME__ and __TIMESTAMP__ usage. */ |
| 368 unsigned char warn_date_time; | |
| 369 | |
| 0 | 370 /* Nonzero means warn if a user-supplied include directory does not |
| 371 exist. */ | |
| 372 unsigned char warn_missing_include_dirs; | |
| 373 | |
| 374 /* Nonzero means warn if there are any trigraphs. */ | |
| 375 unsigned char warn_trigraphs; | |
| 376 | |
| 377 /* Nonzero means warn about multicharacter charconsts. */ | |
| 378 unsigned char warn_multichar; | |
| 379 | |
| 380 /* Nonzero means warn about various incompatibilities with | |
| 381 traditional C. */ | |
|
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382 unsigned char cpp_warn_traditional; |
| 0 | 383 |
| 384 /* Nonzero means warn about long long numeric constants. */ | |
|
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385 unsigned char cpp_warn_long_long; |
| 0 | 386 |
| 387 /* Nonzero means warn about text after an #endif (or #else). */ | |
| 388 unsigned char warn_endif_labels; | |
| 389 | |
| 390 /* Nonzero means warn about implicit sign changes owing to integer | |
| 391 promotions. */ | |
| 392 unsigned char warn_num_sign_change; | |
| 393 | |
| 394 /* Zero means don't warn about __VA_ARGS__ usage in c89 pedantic mode. | |
| 395 Presumably the usage is protected by the appropriate #ifdef. */ | |
| 396 unsigned char warn_variadic_macros; | |
| 397 | |
| 398 /* Nonzero means warn about builtin macros that are redefined or | |
| 399 explicitly undefined. */ | |
| 400 unsigned char warn_builtin_macro_redefined; | |
| 401 | |
| 111 | 402 /* Different -Wimplicit-fallthrough= levels. */ |
| 403 unsigned char cpp_warn_implicit_fallthrough; | |
| 404 | |
| 0 | 405 /* Nonzero means we should look for header.gcc files that remap file |
| 406 names. */ | |
| 407 unsigned char remap; | |
| 408 | |
| 409 /* Zero means dollar signs are punctuation. */ | |
| 410 unsigned char dollars_in_ident; | |
| 411 | |
| 412 /* Nonzero means UCNs are accepted in identifiers. */ | |
| 413 unsigned char extended_identifiers; | |
| 414 | |
| 415 /* True if we should warn about dollars in identifiers or numbers | |
| 416 for this translation unit. */ | |
| 417 unsigned char warn_dollars; | |
| 418 | |
| 419 /* Nonzero means warn if undefined identifiers are evaluated in an #if. */ | |
| 420 unsigned char warn_undef; | |
| 421 | |
| 111 | 422 /* Nonzero means warn if "defined" is encountered in a place other than |
| 423 an #if. */ | |
| 424 unsigned char warn_expansion_to_defined; | |
| 425 | |
| 0 | 426 /* Nonzero means warn of unused macros from the main file. */ |
| 427 unsigned char warn_unused_macros; | |
| 428 | |
| 429 /* Nonzero for the 1999 C Standard, including corrigenda and amendments. */ | |
| 430 unsigned char c99; | |
| 431 | |
| 432 /* Nonzero if we are conforming to a specific C or C++ standard. */ | |
| 433 unsigned char std; | |
| 434 | |
| 435 /* Nonzero means give all the error messages the ANSI standard requires. */ | |
|
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436 unsigned char cpp_pedantic; |
| 0 | 437 |
| 438 /* Nonzero means we're looking at already preprocessed code, so don't | |
| 439 bother trying to do macro expansion and whatnot. */ | |
| 440 unsigned char preprocessed; | |
| 111 | 441 |
| 442 /* Nonzero means we are going to emit debugging logs during | |
| 443 preprocessing. */ | |
| 444 unsigned char debug; | |
| 445 | |
| 446 /* Nonzero means we are tracking locations of tokens involved in | |
| 447 macro expansion. 1 Means we track the location in degraded mode | |
| 448 where we do not track locations of tokens resulting from the | |
| 449 expansion of arguments of function-like macro. 2 Means we do | |
| 450 track all macro expansions. This last option is the one that | |
| 451 consumes the highest amount of memory. */ | |
| 452 unsigned char track_macro_expansion; | |
| 0 | 453 |
| 454 /* Nonzero means handle C++ alternate operator names. */ | |
| 455 unsigned char operator_names; | |
| 456 | |
|
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457 /* Nonzero means warn about use of C++ alternate operator names. */ |
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458 unsigned char warn_cxx_operator_names; |
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459 |
| 0 | 460 /* True for traditional preprocessing. */ |
| 461 unsigned char traditional; | |
| 462 | |
| 111 | 463 /* Nonzero for C++ 2011 Standard user-defined literals. */ |
| 464 unsigned char user_literals; | |
| 465 | |
| 466 /* Nonzero means warn when a string or character literal is followed by a | |
| 467 ud-suffix which does not beging with an underscore. */ | |
| 468 unsigned char warn_literal_suffix; | |
| 469 | |
| 470 /* Nonzero means interpret imaginary, fixed-point, or other gnu extension | |
| 471 literal number suffixes as user-defined literal number suffixes. */ | |
| 472 unsigned char ext_numeric_literals; | |
| 473 | |
| 474 /* Nonzero means extended identifiers allow the characters specified | |
| 475 in C11 and C++11. */ | |
| 476 unsigned char c11_identifiers; | |
| 477 | |
| 478 /* Nonzero for C++ 2014 Standard binary constants. */ | |
| 479 unsigned char binary_constants; | |
| 480 | |
| 481 /* Nonzero for C++ 2014 Standard digit separators. */ | |
| 482 unsigned char digit_separators; | |
| 483 | |
| 145 | 484 /* Nonzero for C2X decimal floating-point constants. */ |
| 485 unsigned char dfp_constants; | |
| 486 | |
| 131 | 487 /* Nonzero for C++2a __VA_OPT__ feature. */ |
| 488 unsigned char va_opt; | |
| 489 | |
| 145 | 490 /* Nonzero for the '::' token. */ |
| 491 unsigned char scope; | |
| 492 | |
| 0 | 493 /* Holds the name of the target (execution) character set. */ |
| 494 const char *narrow_charset; | |
| 495 | |
| 496 /* Holds the name of the target wide character set. */ | |
| 497 const char *wide_charset; | |
| 498 | |
| 499 /* Holds the name of the input character set. */ | |
| 500 const char *input_charset; | |
| 501 | |
| 502 /* The minimum permitted level of normalization before a warning | |
| 111 | 503 is generated. See enum cpp_normalize_level. */ |
| 504 int warn_normalize; | |
| 0 | 505 |
| 506 /* True to warn about precompiled header files we couldn't use. */ | |
| 507 bool warn_invalid_pch; | |
| 508 | |
| 509 /* True if dependencies should be restored from a precompiled header. */ | |
| 510 bool restore_pch_deps; | |
| 511 | |
| 111 | 512 /* True if warn about differences between C90 and C99. */ |
| 513 signed char cpp_warn_c90_c99_compat; | |
| 514 | |
| 145 | 515 /* True if warn about differences between C11 and C2X. */ |
| 516 signed char cpp_warn_c11_c2x_compat; | |
| 517 | |
| 111 | 518 /* True if warn about differences between C++98 and C++11. */ |
| 519 bool cpp_warn_cxx11_compat; | |
| 520 | |
| 0 | 521 /* Dependency generation. */ |
| 522 struct | |
| 523 { | |
| 524 /* Style of header dependencies to generate. */ | |
| 525 enum cpp_deps_style style; | |
| 526 | |
| 527 /* Assume missing files are generated files. */ | |
| 528 bool missing_files; | |
| 529 | |
| 530 /* Generate phony targets for each dependency apart from the first | |
| 531 one. */ | |
| 532 bool phony_targets; | |
| 533 | |
| 534 /* If true, no dependency is generated on the main file. */ | |
| 535 bool ignore_main_file; | |
|
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536 |
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537 /* If true, intend to use the preprocessor output (e.g., for compilation) |
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538 in addition to the dependency info. */ |
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539 bool need_preprocessor_output; |
| 0 | 540 } deps; |
| 541 | |
| 542 /* Target-specific features set by the front end or client. */ | |
| 543 | |
| 544 /* Precision for target CPP arithmetic, target characters, target | |
| 545 ints and target wide characters, respectively. */ | |
| 546 size_t precision, char_precision, int_precision, wchar_precision; | |
| 547 | |
| 548 /* True means chars (wide chars) are unsigned. */ | |
| 549 bool unsigned_char, unsigned_wchar; | |
| 550 | |
| 551 /* True if the most significant byte in a word has the lowest | |
| 552 address in memory. */ | |
| 553 bool bytes_big_endian; | |
| 554 | |
| 555 /* Nonzero means __STDC__ should have the value 0 in system headers. */ | |
| 556 unsigned char stdc_0_in_system_headers; | |
| 557 | |
| 558 /* True disables tokenization outside of preprocessing directives. */ | |
| 559 bool directives_only; | |
| 111 | 560 |
| 561 /* True enables canonicalization of system header file paths. */ | |
| 562 bool canonical_system_headers; | |
| 145 | 563 |
| 564 /* The maximum depth of the nested #include. */ | |
| 565 unsigned int max_include_depth; | |
| 0 | 566 }; |
| 567 | |
| 131 | 568 /* Diagnostic levels. To get a diagnostic without associating a |
| 569 position in the translation unit with it, use cpp_error_with_line | |
| 570 with a line number of zero. */ | |
| 571 | |
| 572 enum cpp_diagnostic_level { | |
| 573 /* Warning, an error with -Werror. */ | |
| 574 CPP_DL_WARNING = 0, | |
| 575 /* Same as CPP_DL_WARNING, except it is not suppressed in system headers. */ | |
| 576 CPP_DL_WARNING_SYSHDR, | |
| 577 /* Warning, an error with -pedantic-errors or -Werror. */ | |
| 578 CPP_DL_PEDWARN, | |
| 579 /* An error. */ | |
| 580 CPP_DL_ERROR, | |
| 581 /* An internal consistency check failed. Prints "internal error: ", | |
| 582 otherwise the same as CPP_DL_ERROR. */ | |
| 583 CPP_DL_ICE, | |
| 584 /* An informative note following a warning. */ | |
| 585 CPP_DL_NOTE, | |
| 586 /* A fatal error. */ | |
| 587 CPP_DL_FATAL | |
| 588 }; | |
| 589 | |
| 590 /* Warning reason codes. Use a reason code of CPP_W_NONE for unclassified | |
| 591 warnings and diagnostics that are not warnings. */ | |
| 592 | |
| 593 enum cpp_warning_reason { | |
| 594 CPP_W_NONE = 0, | |
| 595 CPP_W_DEPRECATED, | |
| 596 CPP_W_COMMENTS, | |
| 597 CPP_W_MISSING_INCLUDE_DIRS, | |
| 598 CPP_W_TRIGRAPHS, | |
| 599 CPP_W_MULTICHAR, | |
| 600 CPP_W_TRADITIONAL, | |
| 601 CPP_W_LONG_LONG, | |
| 602 CPP_W_ENDIF_LABELS, | |
| 603 CPP_W_NUM_SIGN_CHANGE, | |
| 604 CPP_W_VARIADIC_MACROS, | |
| 605 CPP_W_BUILTIN_MACRO_REDEFINED, | |
| 606 CPP_W_DOLLARS, | |
| 607 CPP_W_UNDEF, | |
| 608 CPP_W_UNUSED_MACROS, | |
| 609 CPP_W_CXX_OPERATOR_NAMES, | |
| 610 CPP_W_NORMALIZE, | |
| 611 CPP_W_INVALID_PCH, | |
| 612 CPP_W_WARNING_DIRECTIVE, | |
| 613 CPP_W_LITERAL_SUFFIX, | |
| 614 CPP_W_DATE_TIME, | |
| 615 CPP_W_PEDANTIC, | |
| 616 CPP_W_C90_C99_COMPAT, | |
| 145 | 617 CPP_W_C11_C2X_COMPAT, |
| 131 | 618 CPP_W_CXX11_COMPAT, |
| 619 CPP_W_EXPANSION_TO_DEFINED | |
| 620 }; | |
| 621 | |
| 0 | 622 /* Callback for header lookup for HEADER, which is the name of a |
| 623 source file. It is used as a method of last resort to find headers | |
| 624 that are not otherwise found during the normal include processing. | |
| 625 The return value is the malloced name of a header to try and open, | |
| 626 if any, or NULL otherwise. This callback is called only if the | |
| 627 header is otherwise unfound. */ | |
| 628 typedef const char *(*missing_header_cb)(cpp_reader *, const char *header, cpp_dir **); | |
| 629 | |
| 630 /* Call backs to cpplib client. */ | |
| 631 struct cpp_callbacks | |
| 632 { | |
| 633 /* Called when a new line of preprocessed output is started. */ | |
| 634 void (*line_change) (cpp_reader *, const cpp_token *, int); | |
| 635 | |
| 636 /* Called when switching to/from a new file. | |
| 637 The line_map is for the new file. It is NULL if there is no new file. | |
| 638 (In C this happens when done with <built-in>+<command line> and also | |
| 639 when done with a main file.) This can be used for resource cleanup. */ | |
| 111 | 640 void (*file_change) (cpp_reader *, const line_map_ordinary *); |
| 0 | 641 |
| 642 void (*dir_change) (cpp_reader *, const char *); | |
| 145 | 643 void (*include) (cpp_reader *, location_t, const unsigned char *, |
| 0 | 644 const char *, int, const cpp_token **); |
| 145 | 645 void (*define) (cpp_reader *, location_t, cpp_hashnode *); |
| 646 void (*undef) (cpp_reader *, location_t, cpp_hashnode *); | |
| 647 void (*ident) (cpp_reader *, location_t, const cpp_string *); | |
| 648 void (*def_pragma) (cpp_reader *, location_t); | |
| 0 | 649 int (*valid_pch) (cpp_reader *, const char *, int); |
| 650 void (*read_pch) (cpp_reader *, const char *, int, const char *); | |
| 651 missing_header_cb missing_header; | |
| 652 | |
| 653 /* Context-sensitive macro support. Returns macro (if any) that should | |
| 654 be expanded. */ | |
| 655 cpp_hashnode * (*macro_to_expand) (cpp_reader *, const cpp_token *); | |
| 656 | |
|
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657 /* Called to emit a diagnostic. This callback receives the |
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658 translated message. */ |
| 131 | 659 bool (*diagnostic) (cpp_reader *, |
| 660 enum cpp_diagnostic_level, | |
| 661 enum cpp_warning_reason, | |
| 662 rich_location *, | |
| 663 const char *, va_list *) | |
| 111 | 664 ATTRIBUTE_FPTR_PRINTF(5,0); |
| 0 | 665 |
| 666 /* Callbacks for when a macro is expanded, or tested (whether | |
| 667 defined or not at the time) in #ifdef, #ifndef or "defined". */ | |
| 145 | 668 void (*used_define) (cpp_reader *, location_t, cpp_hashnode *); |
| 669 void (*used_undef) (cpp_reader *, location_t, cpp_hashnode *); | |
| 0 | 670 /* Called before #define and #undef or other macro definition |
| 671 changes are processed. */ | |
| 672 void (*before_define) (cpp_reader *); | |
|
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673 /* Called whenever a macro is expanded or tested. |
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674 Second argument is the location of the start of the current expansion. */ |
| 145 | 675 void (*used) (cpp_reader *, location_t, cpp_hashnode *); |
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676 |
| 111 | 677 /* Callback to identify whether an attribute exists. */ |
| 678 int (*has_attribute) (cpp_reader *); | |
| 679 | |
| 145 | 680 /* Callback to determine whether a built-in function is recognized. */ |
| 681 int (*has_builtin) (cpp_reader *); | |
| 682 | |
| 131 | 683 /* Callback that can change a user lazy into normal macro. */ |
| 684 void (*user_lazy_macro) (cpp_reader *, cpp_macro *, unsigned); | |
| 111 | 685 |
| 686 /* Callback to parse SOURCE_DATE_EPOCH from environment. */ | |
| 687 time_t (*get_source_date_epoch) (cpp_reader *); | |
| 688 | |
| 689 /* Callback for providing suggestions for misspelled directives. */ | |
| 690 const char *(*get_suggestion) (cpp_reader *, const char *, const char *const *); | |
| 691 | |
| 692 /* Callback for when a comment is encountered, giving the location | |
| 693 of the opening slash, a pointer to the content (which is not | |
| 694 necessarily 0-terminated), and the length of the content. | |
| 695 The content contains the opening slash-star (or slash-slash), | |
| 696 and for C-style comments contains the closing star-slash. For | |
| 697 C++-style comments it does not include the terminating newline. */ | |
| 145 | 698 void (*comment) (cpp_reader *, location_t, const unsigned char *, |
| 111 | 699 size_t); |
| 131 | 700 |
| 701 /* Callback for filename remapping in __FILE__ and __BASE_FILE__ macro | |
| 702 expansions. */ | |
| 703 const char *(*remap_filename) (const char*); | |
| 0 | 704 }; |
| 705 | |
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706 #ifdef VMS |
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707 #define INO_T_CPP ino_t ino[3] |
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708 #else |
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709 #define INO_T_CPP ino_t ino |
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710 #endif |
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711 |
| 0 | 712 /* Chain of directories to look for include files in. */ |
| 713 struct cpp_dir | |
| 714 { | |
| 715 /* NULL-terminated singly-linked list. */ | |
| 716 struct cpp_dir *next; | |
| 717 | |
| 718 /* NAME of the directory, NUL-terminated. */ | |
| 719 char *name; | |
| 720 unsigned int len; | |
| 721 | |
| 722 /* One if a system header, two if a system header that has extern | |
| 723 "C" guards for C++. */ | |
| 724 unsigned char sysp; | |
| 725 | |
| 726 /* Is this a user-supplied directory? */ | |
| 727 bool user_supplied_p; | |
| 728 | |
| 729 /* The canonicalized NAME as determined by lrealpath. This field | |
| 730 is only used by hosts that lack reliable inode numbers. */ | |
| 731 char *canonical_name; | |
| 732 | |
| 733 /* Mapping of file names for this directory for MS-DOS and related | |
| 734 platforms. A NULL-terminated array of (from, to) pairs. */ | |
| 735 const char **name_map; | |
| 736 | |
| 737 /* Routine to construct pathname, given the search path name and the | |
| 738 HEADER we are trying to find, return a constructed pathname to | |
| 739 try and open. If this is NULL, the constructed pathname is as | |
| 740 constructed by append_file_to_dir. */ | |
| 741 char *(*construct) (const char *header, cpp_dir *dir); | |
| 742 | |
| 743 /* The C front end uses these to recognize duplicated | |
| 744 directories in the search path. */ | |
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745 INO_T_CPP; |
| 0 | 746 dev_t dev; |
| 747 }; | |
| 748 | |
| 131 | 749 /* The kind of the cpp_macro. */ |
| 750 enum cpp_macro_kind { | |
| 751 cmk_macro, /* An ISO macro (token expansion). */ | |
| 752 cmk_assert, /* An assertion. */ | |
| 753 cmk_traditional /* A traditional macro (text expansion). */ | |
| 754 }; | |
| 755 | |
| 756 /* Each macro definition is recorded in a cpp_macro structure. | |
| 757 Variadic macros cannot occur with traditional cpp. */ | |
| 758 struct GTY(()) cpp_macro { | |
| 759 union cpp_parm_u | |
| 760 { | |
| 761 /* Parameters, if any. If parameter names use extended identifiers, | |
| 762 the original spelling of those identifiers, not the canonical | |
| 763 UTF-8 spelling, goes here. */ | |
| 764 cpp_hashnode ** GTY ((tag ("false"), | |
| 765 nested_ptr (union tree_node, | |
| 766 "%h ? CPP_HASHNODE (GCC_IDENT_TO_HT_IDENT (%h)) : NULL", | |
| 767 "%h ? HT_IDENT_TO_GCC_IDENT (HT_NODE (%h)) : NULL"), | |
| 768 length ("%1.paramc"))) params; | |
| 769 | |
| 770 /* If this is an assertion, the next one in the chain. */ | |
| 771 cpp_macro *GTY ((tag ("true"))) next; | |
| 772 } GTY ((desc ("%1.kind == cmk_assert"))) parm; | |
| 773 | |
| 774 /* Definition line number. */ | |
| 145 | 775 location_t line; |
| 131 | 776 |
| 777 /* Number of tokens in body, or bytes for traditional macros. */ | |
| 778 /* Do we really need 2^32-1 range here? */ | |
| 779 unsigned int count; | |
| 780 | |
| 781 /* Number of parameters. */ | |
| 782 unsigned short paramc; | |
| 783 | |
| 784 /* Non-zero if this is a user-lazy macro, value provided by user. */ | |
| 785 unsigned char lazy; | |
| 786 | |
| 787 /* The kind of this macro (ISO, trad or assert) */ | |
| 788 unsigned kind : 2; | |
| 789 | |
| 790 /* If a function-like macro. */ | |
| 791 unsigned int fun_like : 1; | |
| 792 | |
| 793 /* If a variadic macro. */ | |
| 794 unsigned int variadic : 1; | |
| 795 | |
| 796 /* If macro defined in system header. */ | |
| 797 unsigned int syshdr : 1; | |
| 798 | |
| 799 /* Nonzero if it has been expanded or had its existence tested. */ | |
| 800 unsigned int used : 1; | |
| 801 | |
| 802 /* Indicate whether the tokens include extra CPP_PASTE tokens at the | |
| 803 end to track invalid redefinitions with consecutive CPP_PASTE | |
| 804 tokens. */ | |
| 805 unsigned int extra_tokens : 1; | |
| 806 | |
| 807 /* 1 bits spare (32-bit). 33 on 64-bit target. */ | |
| 808 | |
| 809 union cpp_exp_u | |
| 810 { | |
| 811 /* Trailing array of replacement tokens (ISO), or assertion body value. */ | |
| 812 cpp_token GTY ((tag ("false"), length ("%1.count"))) tokens[1]; | |
| 813 | |
| 814 /* Pointer to replacement text (traditional). See comment at top | |
| 815 of cpptrad.c for how traditional function-like macros are | |
| 816 encoded. */ | |
| 817 const unsigned char *GTY ((tag ("true"))) text; | |
| 818 } GTY ((desc ("%1.kind == cmk_traditional"))) exp; | |
| 819 }; | |
| 820 | |
| 821 /* Poisoned identifiers are flagged NODE_POISONED. NODE_OPERATOR (C++ | |
| 822 only) indicates an identifier that behaves like an operator such as | |
| 823 "xor". NODE_DIAGNOSTIC is for speed in lex_token: it indicates a | |
| 0 | 824 diagnostic may be required for this node. Currently this only |
|
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825 applies to __VA_ARGS__, poisoned identifiers, and -Wc++-compat |
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826 warnings about NODE_OPERATOR. */ |
| 0 | 827 |
| 828 /* Hash node flags. */ | |
| 829 #define NODE_OPERATOR (1 << 0) /* C++ named operator. */ | |
| 830 #define NODE_POISONED (1 << 1) /* Poisoned identifier. */ | |
| 131 | 831 #define NODE_DIAGNOSTIC (1 << 2) /* Possible diagnostic when lexed. */ |
| 832 #define NODE_WARN (1 << 3) /* Warn if redefined or undefined. */ | |
| 833 #define NODE_DISABLED (1 << 4) /* A disabled macro. */ | |
| 834 #define NODE_USED (1 << 5) /* Dumped with -dU. */ | |
| 835 #define NODE_CONDITIONAL (1 << 6) /* Conditional macro */ | |
| 836 #define NODE_WARN_OPERATOR (1 << 7) /* Warn about C++ named operator. */ | |
| 0 | 837 |
| 838 /* Different flavors of hash node. */ | |
| 839 enum node_type | |
| 840 { | |
| 131 | 841 NT_VOID = 0, /* Maybe an assert? */ |
| 842 NT_MACRO_ARG, /* A macro arg. */ | |
| 843 NT_USER_MACRO, /* A user macro. */ | |
| 844 NT_BUILTIN_MACRO, /* A builtin macro. */ | |
| 845 NT_MACRO_MASK = NT_USER_MACRO /* Mask for either macro kind. */ | |
| 0 | 846 }; |
| 847 | |
| 848 /* Different flavors of builtin macro. _Pragma is an operator, but we | |
| 849 handle it with the builtin code for efficiency reasons. */ | |
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850 enum cpp_builtin_type |
| 0 | 851 { |
| 852 BT_SPECLINE = 0, /* `__LINE__' */ | |
| 853 BT_DATE, /* `__DATE__' */ | |
| 854 BT_FILE, /* `__FILE__' */ | |
| 855 BT_BASE_FILE, /* `__BASE_FILE__' */ | |
| 856 BT_INCLUDE_LEVEL, /* `__INCLUDE_LEVEL__' */ | |
| 857 BT_TIME, /* `__TIME__' */ | |
| 858 BT_STDC, /* `__STDC__' */ | |
| 859 BT_PRAGMA, /* `_Pragma' operator */ | |
| 860 BT_TIMESTAMP, /* `__TIMESTAMP__' */ | |
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861 BT_COUNTER, /* `__COUNTER__' */ |
| 145 | 862 BT_HAS_ATTRIBUTE, /* `__has_attribute(x)' */ |
| 863 BT_HAS_BUILTIN, /* `__has_builtin(x)' */ | |
| 864 BT_HAS_INCLUDE, /* `__has_include(x)' */ | |
| 865 BT_HAS_INCLUDE_NEXT /* `__has_include_next(x)' */ | |
| 0 | 866 }; |
| 867 | |
| 868 #define CPP_HASHNODE(HNODE) ((cpp_hashnode *) (HNODE)) | |
| 145 | 869 #define HT_NODE(NODE) (&(NODE)->ident) |
| 870 #define NODE_LEN(NODE) HT_LEN (HT_NODE (NODE)) | |
| 871 #define NODE_NAME(NODE) HT_STR (HT_NODE (NODE)) | |
| 0 | 872 |
| 873 /* The common part of an identifier node shared amongst all 3 C front | |
| 874 ends. Also used to store CPP identifiers, which are a superset of | |
| 875 identifiers in the grammatical sense. */ | |
| 876 | |
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877 union GTY(()) _cpp_hashnode_value { |
| 131 | 878 /* Assert (maybe NULL) */ |
| 879 cpp_macro * GTY((tag ("NT_VOID"))) answers; | |
| 880 /* Macro (never NULL) */ | |
| 881 cpp_macro * GTY((tag ("NT_USER_MACRO"))) macro; | |
| 0 | 882 /* Code for a builtin macro. */ |
| 131 | 883 enum cpp_builtin_type GTY ((tag ("NT_BUILTIN_MACRO"))) builtin; |
| 0 | 884 /* Macro argument index. */ |
| 131 | 885 unsigned short GTY ((tag ("NT_MACRO_ARG"))) arg_index; |
| 0 | 886 }; |
| 887 | |
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888 struct GTY(()) cpp_hashnode { |
| 0 | 889 struct ht_identifier ident; |
| 890 unsigned int is_directive : 1; | |
| 891 unsigned int directive_index : 7; /* If is_directive, | |
| 892 then index into directive table. | |
| 893 Otherwise, a NODE_OPERATOR. */ | |
| 894 unsigned char rid_code; /* Rid code - for front ends. */ | |
| 131 | 895 ENUM_BITFIELD(node_type) type : 2; /* CPP node type. */ |
| 896 unsigned int flags : 8; /* CPP flags. */ | |
| 0 | 897 |
| 131 | 898 /* 6 bits spare (plus another 32 on 64-bit hosts). */ |
| 899 | |
| 900 union _cpp_hashnode_value GTY ((desc ("%1.type"))) value; | |
| 0 | 901 }; |
| 902 | |
| 111 | 903 /* A class for iterating through the source locations within a |
| 904 string token (before escapes are interpreted, and before | |
| 905 concatenation). */ | |
| 906 | |
| 907 class cpp_string_location_reader { | |
| 908 public: | |
| 145 | 909 cpp_string_location_reader (location_t src_loc, |
| 111 | 910 line_maps *line_table); |
| 911 | |
| 912 source_range get_next (); | |
| 913 | |
| 914 private: | |
| 145 | 915 location_t m_loc; |
| 111 | 916 int m_offset_per_column; |
| 917 }; | |
| 918 | |
| 919 /* A class for storing the source ranges of all of the characters within | |
| 920 a string literal, after escapes are interpreted, and after | |
| 921 concatenation. | |
| 922 | |
| 923 This is not GTY-marked, as instances are intended to be temporary. */ | |
| 924 | |
| 925 class cpp_substring_ranges | |
| 926 { | |
| 927 public: | |
| 928 cpp_substring_ranges (); | |
| 929 ~cpp_substring_ranges (); | |
| 930 | |
| 931 int get_num_ranges () const { return m_num_ranges; } | |
| 932 source_range get_range (int idx) const | |
| 933 { | |
| 934 linemap_assert (idx < m_num_ranges); | |
| 935 return m_ranges[idx]; | |
| 936 } | |
| 937 | |
| 938 void add_range (source_range range); | |
| 939 void add_n_ranges (int num, cpp_string_location_reader &loc_reader); | |
| 940 | |
| 941 private: | |
| 942 source_range *m_ranges; | |
| 943 int m_num_ranges; | |
| 944 int m_alloc_ranges; | |
| 945 }; | |
| 946 | |
| 0 | 947 /* Call this first to get a handle to pass to other functions. |
| 948 | |
| 949 If you want cpplib to manage its own hashtable, pass in a NULL | |
| 950 pointer. Otherwise you should pass in an initialized hash table | |
| 951 that cpplib will share; this technique is used by the C front | |
| 952 ends. */ | |
| 953 extern cpp_reader *cpp_create_reader (enum c_lang, struct ht *, | |
| 145 | 954 class line_maps *); |
| 0 | 955 |
| 956 /* Reset the cpp_reader's line_map. This is only used after reading a | |
| 957 PCH file. */ | |
| 145 | 958 extern void cpp_set_line_map (cpp_reader *, class line_maps *); |
| 0 | 959 |
| 960 /* Call this to change the selected language standard (e.g. because of | |
| 961 command line options). */ | |
| 962 extern void cpp_set_lang (cpp_reader *, enum c_lang); | |
| 963 | |
| 964 /* Set the include paths. */ | |
| 965 extern void cpp_set_include_chains (cpp_reader *, cpp_dir *, cpp_dir *, int); | |
| 966 | |
| 967 /* Call these to get pointers to the options, callback, and deps | |
| 968 structures for a given reader. These pointers are good until you | |
| 969 call cpp_finish on that reader. You can either edit the callbacks | |
| 970 through the pointer returned from cpp_get_callbacks, or set them | |
| 971 with cpp_set_callbacks. */ | |
| 972 extern cpp_options *cpp_get_options (cpp_reader *); | |
| 973 extern cpp_callbacks *cpp_get_callbacks (cpp_reader *); | |
| 974 extern void cpp_set_callbacks (cpp_reader *, cpp_callbacks *); | |
| 145 | 975 extern class mkdeps *cpp_get_deps (cpp_reader *); |
| 0 | 976 |
| 977 /* This function reads the file, but does not start preprocessing. It | |
| 978 returns the name of the original file; this is the same as the | |
| 979 input file, except for preprocessed input. This will generate at | |
| 980 least one file change callback, and possibly a line change callback | |
| 981 too. If there was an error opening the file, it returns NULL. */ | |
| 982 extern const char *cpp_read_main_file (cpp_reader *, const char *); | |
| 983 | |
| 984 /* Set up built-ins with special behavior. Use cpp_init_builtins() | |
| 985 instead unless your know what you are doing. */ | |
| 986 extern void cpp_init_special_builtins (cpp_reader *); | |
| 987 | |
| 988 /* Set up built-ins like __FILE__. */ | |
| 989 extern void cpp_init_builtins (cpp_reader *, int); | |
| 990 | |
| 991 /* This is called after options have been parsed, and partially | |
| 992 processed. */ | |
| 993 extern void cpp_post_options (cpp_reader *); | |
| 994 | |
| 995 /* Set up translation to the target character set. */ | |
| 996 extern void cpp_init_iconv (cpp_reader *); | |
| 997 | |
| 998 /* Call this to finish preprocessing. If you requested dependency | |
| 999 generation, pass an open stream to write the information to, | |
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1000 otherwise NULL. It is your responsibility to close the stream. */ |
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1001 extern void cpp_finish (cpp_reader *, FILE *deps_stream); |
| 0 | 1002 |
| 1003 /* Call this to release the handle at the end of preprocessing. Any | |
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1004 use of the handle after this function returns is invalid. */ |
| 0 | 1005 extern void cpp_destroy (cpp_reader *); |
| 1006 | |
| 1007 extern unsigned int cpp_token_len (const cpp_token *); | |
| 1008 extern unsigned char *cpp_token_as_text (cpp_reader *, const cpp_token *); | |
| 1009 extern unsigned char *cpp_spell_token (cpp_reader *, const cpp_token *, | |
| 1010 unsigned char *, bool); | |
| 1011 extern void cpp_register_pragma (cpp_reader *, const char *, const char *, | |
| 1012 void (*) (cpp_reader *), bool); | |
| 1013 extern void cpp_register_deferred_pragma (cpp_reader *, const char *, | |
| 1014 const char *, unsigned, bool, bool); | |
| 1015 extern int cpp_avoid_paste (cpp_reader *, const cpp_token *, | |
| 1016 const cpp_token *); | |
| 1017 extern const cpp_token *cpp_get_token (cpp_reader *); | |
| 1018 extern const cpp_token *cpp_get_token_with_location (cpp_reader *, | |
| 145 | 1019 location_t *); |
| 131 | 1020 inline bool cpp_user_macro_p (const cpp_hashnode *node) |
| 1021 { | |
| 1022 return node->type == NT_USER_MACRO; | |
| 1023 } | |
| 1024 inline bool cpp_builtin_macro_p (const cpp_hashnode *node) | |
| 1025 { | |
| 1026 return node->type == NT_BUILTIN_MACRO; | |
| 1027 } | |
| 1028 inline bool cpp_macro_p (const cpp_hashnode *node) | |
| 1029 { | |
| 1030 return node->type & NT_MACRO_MASK; | |
| 1031 } | |
| 1032 | |
| 1033 /* Returns true if NODE is a function-like user macro. */ | |
| 1034 inline bool cpp_fun_like_macro_p (cpp_hashnode *node) | |
| 1035 { | |
| 1036 return cpp_user_macro_p (node) && node->value.macro->fun_like; | |
| 1037 } | |
| 1038 | |
| 0 | 1039 extern const unsigned char *cpp_macro_definition (cpp_reader *, |
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1040 cpp_hashnode *); |
| 145 | 1041 inline location_t cpp_macro_definition_location (cpp_hashnode *node) |
| 1042 { | |
| 1043 return node->value.macro->line; | |
| 1044 } | |
| 0 | 1045 extern void _cpp_backup_tokens (cpp_reader *, unsigned int); |
| 1046 extern const cpp_token *cpp_peek_token (cpp_reader *, int); | |
| 1047 | |
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1048 /* Evaluate a CPP_*CHAR* token. */ |
| 0 | 1049 extern cppchar_t cpp_interpret_charconst (cpp_reader *, const cpp_token *, |
| 1050 unsigned int *, int *); | |
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1051 /* Evaluate a vector of CPP_*STRING* tokens. */ |
| 0 | 1052 extern bool cpp_interpret_string (cpp_reader *, |
| 1053 const cpp_string *, size_t, | |
| 1054 cpp_string *, enum cpp_ttype); | |
| 111 | 1055 extern const char *cpp_interpret_string_ranges (cpp_reader *pfile, |
| 1056 const cpp_string *from, | |
| 1057 cpp_string_location_reader *, | |
| 1058 size_t count, | |
| 1059 cpp_substring_ranges *out, | |
| 1060 enum cpp_ttype type); | |
| 0 | 1061 extern bool cpp_interpret_string_notranslate (cpp_reader *, |
| 1062 const cpp_string *, size_t, | |
| 1063 cpp_string *, enum cpp_ttype); | |
| 1064 | |
| 1065 /* Convert a host character constant to the execution character set. */ | |
| 1066 extern cppchar_t cpp_host_to_exec_charset (cpp_reader *, cppchar_t); | |
| 1067 | |
| 1068 /* Used to register macros and assertions, perhaps from the command line. | |
| 1069 The text is the same as the command line argument. */ | |
| 1070 extern void cpp_define (cpp_reader *, const char *); | |
| 1071 extern void cpp_define_formatted (cpp_reader *pfile, | |
| 1072 const char *fmt, ...) ATTRIBUTE_PRINTF_2; | |
| 1073 extern void cpp_assert (cpp_reader *, const char *); | |
| 1074 extern void cpp_undef (cpp_reader *, const char *); | |
| 1075 extern void cpp_unassert (cpp_reader *, const char *); | |
| 1076 | |
| 131 | 1077 /* Mark a node as a lazily defined macro. */ |
| 1078 extern void cpp_define_lazily (cpp_reader *, cpp_hashnode *node, unsigned N); | |
| 1079 | |
| 0 | 1080 /* Undefine all macros and assertions. */ |
| 1081 extern void cpp_undef_all (cpp_reader *); | |
| 1082 | |
| 1083 extern cpp_buffer *cpp_push_buffer (cpp_reader *, const unsigned char *, | |
| 1084 size_t, int); | |
| 1085 extern int cpp_defined (cpp_reader *, const unsigned char *, int); | |
| 1086 | |
| 1087 /* A preprocessing number. Code assumes that any unused high bits of | |
| 1088 the double integer are set to zero. */ | |
| 111 | 1089 |
| 1090 /* This type has to be equal to unsigned HOST_WIDE_INT, see | |
| 1091 gcc/c-family/c-lex.c. */ | |
| 1092 typedef uint64_t cpp_num_part; | |
| 0 | 1093 typedef struct cpp_num cpp_num; |
| 1094 struct cpp_num | |
| 1095 { | |
| 1096 cpp_num_part high; | |
| 1097 cpp_num_part low; | |
| 1098 bool unsignedp; /* True if value should be treated as unsigned. */ | |
| 1099 bool overflow; /* True if the most recent calculation overflowed. */ | |
| 1100 }; | |
| 1101 | |
| 1102 /* cpplib provides two interfaces for interpretation of preprocessing | |
| 1103 numbers. | |
| 1104 | |
| 1105 cpp_classify_number categorizes numeric constants according to | |
| 1106 their field (integer, floating point, or invalid), radix (decimal, | |
| 1107 octal, hexadecimal), and type suffixes. */ | |
| 1108 | |
| 1109 #define CPP_N_CATEGORY 0x000F | |
| 1110 #define CPP_N_INVALID 0x0000 | |
| 1111 #define CPP_N_INTEGER 0x0001 | |
| 1112 #define CPP_N_FLOATING 0x0002 | |
| 1113 | |
| 1114 #define CPP_N_WIDTH 0x00F0 | |
| 111 | 1115 #define CPP_N_SMALL 0x0010 /* int, float, short _Fract/Accum */ |
| 0 | 1116 #define CPP_N_MEDIUM 0x0020 /* long, double, long _Fract/_Accum. */ |
| 1117 #define CPP_N_LARGE 0x0040 /* long long, long double, | |
| 1118 long long _Fract/Accum. */ | |
| 1119 | |
| 1120 #define CPP_N_WIDTH_MD 0xF0000 /* machine defined. */ | |
| 1121 #define CPP_N_MD_W 0x10000 | |
| 1122 #define CPP_N_MD_Q 0x20000 | |
| 1123 | |
| 1124 #define CPP_N_RADIX 0x0F00 | |
| 1125 #define CPP_N_DECIMAL 0x0100 | |
| 1126 #define CPP_N_HEX 0x0200 | |
| 1127 #define CPP_N_OCTAL 0x0400 | |
| 1128 #define CPP_N_BINARY 0x0800 | |
| 1129 | |
| 1130 #define CPP_N_UNSIGNED 0x1000 /* Properties. */ | |
| 1131 #define CPP_N_IMAGINARY 0x2000 | |
| 1132 #define CPP_N_DFLOAT 0x4000 | |
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1133 #define CPP_N_DEFAULT 0x8000 |
| 0 | 1134 |
| 1135 #define CPP_N_FRACT 0x100000 /* Fract types. */ | |
| 1136 #define CPP_N_ACCUM 0x200000 /* Accum types. */ | |
| 111 | 1137 #define CPP_N_FLOATN 0x400000 /* _FloatN types. */ |
| 1138 #define CPP_N_FLOATNX 0x800000 /* _FloatNx types. */ | |
| 1139 | |
| 1140 #define CPP_N_USERDEF 0x1000000 /* C++0x user-defined literal. */ | |
| 1141 | |
| 1142 #define CPP_N_WIDTH_FLOATN_NX 0xF0000000 /* _FloatN / _FloatNx value | |
| 1143 of N, divided by 16. */ | |
| 1144 #define CPP_FLOATN_SHIFT 24 | |
| 1145 #define CPP_FLOATN_MAX 0xF0 | |
| 0 | 1146 |
| 1147 /* Classify a CPP_NUMBER token. The return value is a combination of | |
| 1148 the flags from the above sets. */ | |
| 111 | 1149 extern unsigned cpp_classify_number (cpp_reader *, const cpp_token *, |
| 145 | 1150 const char **, location_t); |
| 111 | 1151 |
| 1152 /* Return the classification flags for a float suffix. */ | |
| 1153 extern unsigned int cpp_interpret_float_suffix (cpp_reader *, const char *, | |
| 1154 size_t); | |
| 1155 | |
| 1156 /* Return the classification flags for an int suffix. */ | |
| 1157 extern unsigned int cpp_interpret_int_suffix (cpp_reader *, const char *, | |
| 1158 size_t); | |
| 0 | 1159 |
| 1160 /* Evaluate a token classified as category CPP_N_INTEGER. */ | |
| 1161 extern cpp_num cpp_interpret_integer (cpp_reader *, const cpp_token *, | |
| 111 | 1162 unsigned int); |
| 0 | 1163 |
| 1164 /* Sign extend a number, with PRECISION significant bits and all | |
| 1165 others assumed clear, to fill out a cpp_num structure. */ | |
| 1166 cpp_num cpp_num_sign_extend (cpp_num, size_t); | |
| 1167 | |
| 1168 /* Output a diagnostic of some kind. */ | |
| 131 | 1169 extern bool cpp_error (cpp_reader *, enum cpp_diagnostic_level, |
| 1170 const char *msgid, ...) | |
| 0 | 1171 ATTRIBUTE_PRINTF_3; |
| 131 | 1172 extern bool cpp_warning (cpp_reader *, enum cpp_warning_reason, |
| 1173 const char *msgid, ...) | |
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1174 ATTRIBUTE_PRINTF_3; |
| 131 | 1175 extern bool cpp_pedwarning (cpp_reader *, enum cpp_warning_reason, |
| 1176 const char *msgid, ...) | |
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1177 ATTRIBUTE_PRINTF_3; |
| 131 | 1178 extern bool cpp_warning_syshdr (cpp_reader *, enum cpp_warning_reason reason, |
| 1179 const char *msgid, ...) | |
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1180 ATTRIBUTE_PRINTF_3; |
| 0 | 1181 |
| 1182 /* Output a diagnostic with "MSGID: " preceding the | |
| 1183 error string of errno. No location is printed. */ | |
| 131 | 1184 extern bool cpp_errno (cpp_reader *, enum cpp_diagnostic_level, |
| 1185 const char *msgid); | |
| 111 | 1186 /* Similarly, but with "FILENAME: " instead of "MSGID: ", where |
| 1187 the filename is not localized. */ | |
| 131 | 1188 extern bool cpp_errno_filename (cpp_reader *, enum cpp_diagnostic_level, |
| 145 | 1189 const char *filename, location_t loc); |
| 0 | 1190 |
| 1191 /* Same as cpp_error, except additionally specifies a position as a | |
| 1192 (translation unit) physical line and physical column. If the line is | |
| 1193 zero, then no location is printed. */ | |
| 131 | 1194 extern bool cpp_error_with_line (cpp_reader *, enum cpp_diagnostic_level, |
| 145 | 1195 location_t, unsigned, |
| 131 | 1196 const char *msgid, ...) |
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update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
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1197 ATTRIBUTE_PRINTF_5; |
| 131 | 1198 extern bool cpp_warning_with_line (cpp_reader *, enum cpp_warning_reason, |
| 145 | 1199 location_t, unsigned, |
| 131 | 1200 const char *msgid, ...) |
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update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
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1201 ATTRIBUTE_PRINTF_5; |
| 131 | 1202 extern bool cpp_pedwarning_with_line (cpp_reader *, enum cpp_warning_reason, |
| 145 | 1203 location_t, unsigned, |
| 131 | 1204 const char *msgid, ...) |
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
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1205 ATTRIBUTE_PRINTF_5; |
| 131 | 1206 extern bool cpp_warning_with_line_syshdr (cpp_reader *, enum cpp_warning_reason, |
| 145 | 1207 location_t, unsigned, |
| 131 | 1208 const char *msgid, ...) |
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update gcc from gcc-4.5.0 to gcc-4.6
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
55
diff
changeset
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1209 ATTRIBUTE_PRINTF_5; |
| 0 | 1210 |
| 131 | 1211 extern bool cpp_error_at (cpp_reader * pfile, enum cpp_diagnostic_level, |
| 145 | 1212 location_t src_loc, const char *msgid, ...) |
| 111 | 1213 ATTRIBUTE_PRINTF_4; |
| 1214 | |
| 131 | 1215 extern bool cpp_error_at (cpp_reader * pfile, enum cpp_diagnostic_level, |
| 1216 rich_location *richloc, const char *msgid, ...) | |
| 111 | 1217 ATTRIBUTE_PRINTF_4; |
| 1218 | |
| 0 | 1219 /* In lex.c */ |
| 1220 extern int cpp_ideq (const cpp_token *, const char *); | |
| 1221 extern void cpp_output_line (cpp_reader *, FILE *); | |
| 1222 extern unsigned char *cpp_output_line_to_string (cpp_reader *, | |
| 1223 const unsigned char *); | |
| 1224 extern void cpp_output_token (const cpp_token *, FILE *); | |
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update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
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changeset
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1225 extern const char *cpp_type2name (enum cpp_ttype, unsigned char flags); |
| 0 | 1226 /* Returns the value of an escape sequence, truncated to the correct |
| 1227 target precision. PSTR points to the input pointer, which is just | |
| 1228 after the backslash. LIMIT is how much text we have. WIDE is true | |
| 1229 if the escape sequence is part of a wide character constant or | |
| 1230 string literal. Handles all relevant diagnostics. */ | |
| 1231 extern cppchar_t cpp_parse_escape (cpp_reader *, const unsigned char ** pstr, | |
| 1232 const unsigned char *limit, int wide); | |
| 1233 | |
| 1234 /* Structure used to hold a comment block at a given location in the | |
| 1235 source code. */ | |
| 1236 | |
| 1237 typedef struct | |
| 1238 { | |
| 1239 /* Text of the comment including the terminators. */ | |
| 1240 char *comment; | |
| 1241 | |
| 1242 /* source location for the given comment. */ | |
| 145 | 1243 location_t sloc; |
| 0 | 1244 } cpp_comment; |
| 1245 | |
| 1246 /* Structure holding all comments for a given cpp_reader. */ | |
| 1247 | |
| 1248 typedef struct | |
| 1249 { | |
| 1250 /* table of comment entries. */ | |
| 1251 cpp_comment *entries; | |
| 1252 | |
| 1253 /* number of actual entries entered in the table. */ | |
| 1254 int count; | |
| 1255 | |
| 1256 /* number of entries allocated currently. */ | |
| 1257 int allocated; | |
| 1258 } cpp_comment_table; | |
| 1259 | |
| 1260 /* Returns the table of comments encountered by the preprocessor. This | |
| 1261 table is only populated when pfile->state.save_comments is true. */ | |
| 1262 extern cpp_comment_table *cpp_get_comments (cpp_reader *); | |
| 1263 | |
| 1264 /* In hash.c */ | |
| 1265 | |
| 1266 /* Lookup an identifier in the hashtable. Puts the identifier in the | |
| 1267 table if it is not already there. */ | |
| 1268 extern cpp_hashnode *cpp_lookup (cpp_reader *, const unsigned char *, | |
| 1269 unsigned int); | |
| 1270 | |
| 1271 typedef int (*cpp_cb) (cpp_reader *, cpp_hashnode *, void *); | |
| 1272 extern void cpp_forall_identifiers (cpp_reader *, cpp_cb, void *); | |
| 1273 | |
| 1274 /* In macro.c */ | |
| 1275 extern void cpp_scan_nooutput (cpp_reader *); | |
| 1276 extern int cpp_sys_macro_p (cpp_reader *); | |
| 1277 extern unsigned char *cpp_quote_string (unsigned char *, const unsigned char *, | |
| 1278 unsigned int); | |
| 1279 | |
| 1280 /* In files.c */ | |
| 1281 extern bool cpp_included (cpp_reader *, const char *); | |
| 145 | 1282 extern bool cpp_included_before (cpp_reader *, const char *, location_t); |
| 0 | 1283 extern void cpp_make_system_header (cpp_reader *, int, int); |
| 1284 extern bool cpp_push_include (cpp_reader *, const char *); | |
| 111 | 1285 extern bool cpp_push_default_include (cpp_reader *, const char *); |
| 0 | 1286 extern void cpp_change_file (cpp_reader *, enum lc_reason, const char *); |
| 1287 extern const char *cpp_get_path (struct _cpp_file *); | |
| 1288 extern cpp_dir *cpp_get_dir (struct _cpp_file *); | |
| 1289 extern cpp_buffer *cpp_get_buffer (cpp_reader *); | |
| 1290 extern struct _cpp_file *cpp_get_file (cpp_buffer *); | |
| 1291 extern cpp_buffer *cpp_get_prev (cpp_buffer *); | |
| 1292 extern void cpp_clear_file_cache (cpp_reader *); | |
| 1293 | |
| 1294 /* In pch.c */ | |
| 1295 struct save_macro_data; | |
| 1296 extern int cpp_save_state (cpp_reader *, FILE *); | |
| 1297 extern int cpp_write_pch_deps (cpp_reader *, FILE *); | |
| 1298 extern int cpp_write_pch_state (cpp_reader *, FILE *); | |
| 1299 extern int cpp_valid_state (cpp_reader *, const char *, int); | |
| 1300 extern void cpp_prepare_state (cpp_reader *, struct save_macro_data **); | |
| 1301 extern int cpp_read_state (cpp_reader *, const char *, FILE *, | |
| 1302 struct save_macro_data *); | |
| 1303 | |
| 111 | 1304 /* In lex.c */ |
| 145 | 1305 extern void cpp_force_token_locations (cpp_reader *, location_t); |
| 111 | 1306 extern void cpp_stop_forcing_token_locations (cpp_reader *); |
| 1307 | |
| 1308 /* In expr.c */ | |
| 1309 extern enum cpp_ttype cpp_userdef_string_remove_type | |
| 1310 (enum cpp_ttype type); | |
| 1311 extern enum cpp_ttype cpp_userdef_string_add_type | |
| 1312 (enum cpp_ttype type); | |
| 1313 extern enum cpp_ttype cpp_userdef_char_remove_type | |
| 1314 (enum cpp_ttype type); | |
| 1315 extern enum cpp_ttype cpp_userdef_char_add_type | |
| 1316 (enum cpp_ttype type); | |
| 1317 extern bool cpp_userdef_string_p | |
| 1318 (enum cpp_ttype type); | |
| 1319 extern bool cpp_userdef_char_p | |
| 1320 (enum cpp_ttype type); | |
| 1321 extern const char * cpp_get_userdef_suffix | |
| 1322 (const cpp_token *); | |
| 1323 | |
| 145 | 1324 /* In charset.c */ |
| 1325 int cpp_byte_column_to_display_column (const char *data, int data_length, | |
| 1326 int column); | |
| 1327 inline int cpp_display_width (const char *data, int data_length) | |
| 1328 { | |
| 1329 return cpp_byte_column_to_display_column (data, data_length, data_length); | |
| 1330 } | |
| 1331 int cpp_display_column_to_byte_column (const char *data, int data_length, | |
| 1332 int display_col); | |
| 1333 int cpp_wcwidth (cppchar_t c); | |
| 1334 | |
| 0 | 1335 #endif /* ! LIBCPP_CPPLIB_H */ |