Mercurial > hg > CbC > CbC_gcc
annotate gcc/c-pretty-print.c @ 56:3c8a44c06a95
Added tag gcc-4.4.5 for changeset 77e2b8dfacca
| author | ryoma <e075725@ie.u-ryukyu.ac.jp> |
|---|---|
| date | Fri, 12 Feb 2010 23:41:23 +0900 |
| parents | 77e2b8dfacca |
| children | b7f97abdc517 |
| rev | line source |
|---|---|
| 0 | 1 /* Subroutines common to both C and C++ pretty-printers. |
| 2 Copyright (C) 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009 | |
| 3 Free Software Foundation, Inc. | |
| 4 Contributed by Gabriel Dos Reis <gdr@integrable-solutions.net> | |
| 5 | |
| 6 This file is part of GCC. | |
| 7 | |
| 8 GCC is free software; you can redistribute it and/or modify it under | |
| 9 the terms of the GNU General Public License as published by the Free | |
| 10 Software Foundation; either version 3, or (at your option) any later | |
| 11 version. | |
| 12 | |
| 13 GCC is distributed in the hope that it will be useful, but WITHOUT ANY | |
| 14 WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 15 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 16 for more details. | |
| 17 | |
| 18 You should have received a copy of the GNU General Public License | |
| 19 along with GCC; see the file COPYING3. If not see | |
| 20 <http://www.gnu.org/licenses/>. */ | |
| 21 | |
| 22 #include "config.h" | |
| 23 #include "system.h" | |
| 24 #include "coretypes.h" | |
| 25 #include "tm.h" | |
| 26 #include "real.h" | |
| 27 #include "fixed-value.h" | |
|
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28 #include "intl.h" |
| 0 | 29 #include "c-pretty-print.h" |
| 30 #include "c-tree.h" | |
| 31 #include "tree-iterator.h" | |
| 32 #include "diagnostic.h" | |
| 33 | |
|
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34 /* Translate if being used for diagnostics, but not for dump files or |
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35 __PRETTY_FUNCTION. */ |
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36 #define M_(msgid) (pp_translate_identifiers (pp) ? _(msgid) : (msgid)) |
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37 |
| 0 | 38 /* The pretty-printer code is primarily designed to closely follow |
| 39 (GNU) C and C++ grammars. That is to be contrasted with spaghetti | |
| 40 codes we used to have in the past. Following a structured | |
| 41 approach (preferably the official grammars) is believed to make it | |
| 42 much easier to add extensions and nifty pretty-printing effects that | |
| 43 takes expression or declaration contexts into account. */ | |
| 44 | |
| 45 | |
| 46 #define pp_c_maybe_whitespace(PP) \ | |
| 47 do { \ | |
| 48 if (pp_base (PP)->padding == pp_before) \ | |
| 49 pp_c_whitespace (PP); \ | |
| 50 } while (0) | |
| 51 | |
| 52 /* literal */ | |
| 53 static void pp_c_char (c_pretty_printer *, int); | |
| 54 | |
| 55 /* postfix-expression */ | |
| 56 static void pp_c_initializer_list (c_pretty_printer *, tree); | |
| 57 static void pp_c_brace_enclosed_initializer_list (c_pretty_printer *, tree); | |
| 58 | |
| 59 static void pp_c_multiplicative_expression (c_pretty_printer *, tree); | |
| 60 static void pp_c_additive_expression (c_pretty_printer *, tree); | |
| 61 static void pp_c_shift_expression (c_pretty_printer *, tree); | |
| 62 static void pp_c_relational_expression (c_pretty_printer *, tree); | |
| 63 static void pp_c_equality_expression (c_pretty_printer *, tree); | |
| 64 static void pp_c_and_expression (c_pretty_printer *, tree); | |
| 65 static void pp_c_exclusive_or_expression (c_pretty_printer *, tree); | |
| 66 static void pp_c_inclusive_or_expression (c_pretty_printer *, tree); | |
| 67 static void pp_c_logical_and_expression (c_pretty_printer *, tree); | |
| 68 static void pp_c_conditional_expression (c_pretty_printer *, tree); | |
| 69 static void pp_c_assignment_expression (c_pretty_printer *, tree); | |
| 70 | |
| 71 /* declarations. */ | |
| 72 | |
| 73 | |
| 74 /* Helper functions. */ | |
| 75 | |
| 76 void | |
| 77 pp_c_whitespace (c_pretty_printer *pp) | |
| 78 { | |
| 79 pp_space (pp); | |
| 80 pp_base (pp)->padding = pp_none; | |
| 81 } | |
| 82 | |
| 83 void | |
| 84 pp_c_left_paren (c_pretty_printer *pp) | |
| 85 { | |
| 86 pp_left_paren (pp); | |
| 87 pp_base (pp)->padding = pp_none; | |
| 88 } | |
| 89 | |
| 90 void | |
| 91 pp_c_right_paren (c_pretty_printer *pp) | |
| 92 { | |
| 93 pp_right_paren (pp); | |
| 94 pp_base (pp)->padding = pp_none; | |
| 95 } | |
| 96 | |
| 97 void | |
| 98 pp_c_left_brace (c_pretty_printer *pp) | |
| 99 { | |
| 100 pp_left_brace (pp); | |
| 101 pp_base (pp)->padding = pp_none; | |
| 102 } | |
| 103 | |
| 104 void | |
| 105 pp_c_right_brace (c_pretty_printer *pp) | |
| 106 { | |
| 107 pp_right_brace (pp); | |
| 108 pp_base (pp)->padding = pp_none; | |
| 109 } | |
| 110 | |
| 111 void | |
| 112 pp_c_left_bracket (c_pretty_printer *pp) | |
| 113 { | |
| 114 pp_left_bracket (pp); | |
| 115 pp_base (pp)->padding = pp_none; | |
| 116 } | |
| 117 | |
| 118 void | |
| 119 pp_c_right_bracket (c_pretty_printer *pp) | |
| 120 { | |
| 121 pp_right_bracket (pp); | |
| 122 pp_base (pp)->padding = pp_none; | |
| 123 } | |
| 124 | |
| 125 void | |
| 126 pp_c_dot (c_pretty_printer *pp) | |
| 127 { | |
| 128 pp_dot (pp); | |
| 129 pp_base (pp)->padding = pp_none; | |
| 130 } | |
| 131 | |
| 132 void | |
| 133 pp_c_ampersand (c_pretty_printer *pp) | |
| 134 { | |
| 135 pp_ampersand (pp); | |
| 136 pp_base (pp)->padding = pp_none; | |
| 137 } | |
| 138 | |
| 139 void | |
| 140 pp_c_star (c_pretty_printer *pp) | |
| 141 { | |
| 142 pp_star (pp); | |
| 143 pp_base (pp)->padding = pp_none; | |
| 144 } | |
| 145 | |
| 146 void | |
| 147 pp_c_arrow (c_pretty_printer *pp) | |
| 148 { | |
| 149 pp_arrow (pp); | |
| 150 pp_base (pp)->padding = pp_none; | |
| 151 } | |
| 152 | |
| 153 void | |
| 154 pp_c_semicolon (c_pretty_printer *pp) | |
| 155 { | |
| 156 pp_semicolon (pp); | |
| 157 pp_base (pp)->padding = pp_none; | |
| 158 } | |
| 159 | |
| 160 void | |
| 161 pp_c_complement (c_pretty_printer *pp) | |
| 162 { | |
| 163 pp_complement (pp); | |
| 164 pp_base (pp)->padding = pp_none; | |
| 165 } | |
| 166 | |
| 167 void | |
| 168 pp_c_exclamation (c_pretty_printer *pp) | |
| 169 { | |
| 170 pp_exclamation (pp); | |
| 171 pp_base (pp)->padding = pp_none; | |
| 172 } | |
| 173 | |
| 174 /* Print out the external representation of CV-QUALIFIER. */ | |
| 175 | |
| 176 static void | |
| 177 pp_c_cv_qualifier (c_pretty_printer *pp, const char *cv) | |
| 178 { | |
| 179 const char *p = pp_last_position_in_text (pp); | |
| 180 /* The C programming language does not have references, but it is much | |
| 181 simpler to handle those here rather than going through the same | |
| 182 logic in the C++ pretty-printer. */ | |
| 183 if (p != NULL && (*p == '*' || *p == '&')) | |
| 184 pp_c_whitespace (pp); | |
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185 pp_c_ws_string (pp, cv); |
| 0 | 186 } |
| 187 | |
| 188 /* Pretty-print T using the type-cast notation '( type-name )'. */ | |
| 189 | |
| 190 static void | |
| 191 pp_c_type_cast (c_pretty_printer *pp, tree t) | |
| 192 { | |
| 193 pp_c_left_paren (pp); | |
| 194 pp_type_id (pp, t); | |
| 195 pp_c_right_paren (pp); | |
| 196 } | |
| 197 | |
| 198 /* We're about to pretty-print a pointer type as indicated by T. | |
| 199 Output a whitespace, if needed, preparing for subsequent output. */ | |
| 200 | |
| 201 void | |
| 202 pp_c_space_for_pointer_operator (c_pretty_printer *pp, tree t) | |
| 203 { | |
| 204 if (POINTER_TYPE_P (t)) | |
| 205 { | |
| 206 tree pointee = strip_pointer_operator (TREE_TYPE (t)); | |
| 207 if (TREE_CODE (pointee) != ARRAY_TYPE | |
| 208 && TREE_CODE (pointee) != FUNCTION_TYPE) | |
| 209 pp_c_whitespace (pp); | |
| 210 } | |
| 211 } | |
| 212 | |
| 213 | |
| 214 /* Declarations. */ | |
| 215 | |
| 216 /* C++ cv-qualifiers are called type-qualifiers in C. Print out the | |
| 217 cv-qualifiers of T. If T is a declaration then it is the cv-qualifier | |
| 218 of its type. Take care of possible extensions. | |
| 219 | |
| 220 type-qualifier-list: | |
| 221 type-qualifier | |
| 222 type-qualifier-list type-qualifier | |
| 223 | |
| 224 type-qualifier: | |
| 225 const | |
| 226 restrict -- C99 | |
| 227 __restrict__ -- GNU C | |
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228 address-space-qualifier -- GNU C |
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229 volatile |
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230 |
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231 address-space-qualifier: |
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232 identifier -- GNU C */ |
| 0 | 233 |
| 234 void | |
| 235 pp_c_type_qualifier_list (c_pretty_printer *pp, tree t) | |
| 236 { | |
| 237 int qualifiers; | |
| 238 | |
| 239 if (!t || t == error_mark_node) | |
| 240 return; | |
| 241 | |
| 242 if (!TYPE_P (t)) | |
| 243 t = TREE_TYPE (t); | |
| 244 | |
| 245 qualifiers = TYPE_QUALS (t); | |
| 246 if (qualifiers & TYPE_QUAL_CONST) | |
| 247 pp_c_cv_qualifier (pp, "const"); | |
| 248 if (qualifiers & TYPE_QUAL_VOLATILE) | |
| 249 pp_c_cv_qualifier (pp, "volatile"); | |
| 250 if (qualifiers & TYPE_QUAL_RESTRICT) | |
| 251 pp_c_cv_qualifier (pp, flag_isoc99 ? "restrict" : "__restrict__"); | |
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252 |
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253 if (!ADDR_SPACE_GENERIC_P (TYPE_ADDR_SPACE (t))) |
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254 { |
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255 const char *as = c_addr_space_name (TYPE_ADDR_SPACE (t)); |
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256 pp_c_identifier (pp, as); |
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257 } |
| 0 | 258 } |
| 259 | |
| 260 /* pointer: | |
| 261 * type-qualifier-list(opt) | |
| 262 * type-qualifier-list(opt) pointer */ | |
| 263 | |
| 264 static void | |
| 265 pp_c_pointer (c_pretty_printer *pp, tree t) | |
| 266 { | |
| 267 if (!TYPE_P (t) && TREE_CODE (t) != TYPE_DECL) | |
| 268 t = TREE_TYPE (t); | |
| 269 switch (TREE_CODE (t)) | |
| 270 { | |
| 271 case POINTER_TYPE: | |
| 272 /* It is easier to handle C++ reference types here. */ | |
| 273 case REFERENCE_TYPE: | |
| 274 if (TREE_CODE (TREE_TYPE (t)) == POINTER_TYPE) | |
| 275 pp_c_pointer (pp, TREE_TYPE (t)); | |
| 276 if (TREE_CODE (t) == POINTER_TYPE) | |
| 277 pp_c_star (pp); | |
| 278 else | |
| 279 pp_c_ampersand (pp); | |
| 280 pp_c_type_qualifier_list (pp, t); | |
| 281 break; | |
| 282 | |
| 283 /* ??? This node is now in GENERIC and so shouldn't be here. But | |
| 284 we'll fix that later. */ | |
| 285 case DECL_EXPR: | |
| 286 pp_declaration (pp, DECL_EXPR_DECL (t)); | |
| 287 pp_needs_newline (pp) = true; | |
| 288 break; | |
| 289 | |
| 290 default: | |
| 291 pp_unsupported_tree (pp, t); | |
| 292 } | |
| 293 } | |
| 294 | |
| 295 /* type-specifier: | |
| 296 void | |
| 297 char | |
| 298 short | |
| 299 int | |
| 300 long | |
| 301 float | |
| 302 double | |
| 303 signed | |
| 304 unsigned | |
| 305 _Bool -- C99 | |
| 306 _Complex -- C99 | |
| 307 _Imaginary -- C99 | |
| 308 struct-or-union-specifier | |
| 309 enum-specifier | |
| 310 typedef-name. | |
| 311 | |
| 312 GNU extensions. | |
| 313 simple-type-specifier: | |
| 314 __complex__ | |
| 315 __vector__ */ | |
| 316 | |
| 317 void | |
| 318 pp_c_type_specifier (c_pretty_printer *pp, tree t) | |
| 319 { | |
| 320 const enum tree_code code = TREE_CODE (t); | |
| 321 switch (code) | |
| 322 { | |
| 323 case ERROR_MARK: | |
|
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324 pp_c_ws_string (pp, M_("<type-error>")); |
| 0 | 325 break; |
| 326 | |
| 327 case IDENTIFIER_NODE: | |
| 328 pp_c_tree_decl_identifier (pp, t); | |
| 329 break; | |
| 330 | |
| 331 case VOID_TYPE: | |
| 332 case BOOLEAN_TYPE: | |
| 333 case INTEGER_TYPE: | |
| 334 case REAL_TYPE: | |
| 335 case FIXED_POINT_TYPE: | |
| 336 if (TYPE_NAME (t)) | |
| 337 { | |
| 338 t = TYPE_NAME (t); | |
| 339 pp_c_type_specifier (pp, t); | |
| 340 } | |
| 341 else | |
| 342 { | |
| 343 int prec = TYPE_PRECISION (t); | |
| 344 if (ALL_FIXED_POINT_MODE_P (TYPE_MODE (t))) | |
| 345 t = c_common_type_for_mode (TYPE_MODE (t), TYPE_SATURATING (t)); | |
| 346 else | |
| 347 t = c_common_type_for_mode (TYPE_MODE (t), TYPE_UNSIGNED (t)); | |
| 348 if (TYPE_NAME (t)) | |
| 349 { | |
| 350 pp_c_type_specifier (pp, t); | |
| 351 if (TYPE_PRECISION (t) != prec) | |
| 352 { | |
| 353 pp_string (pp, ":"); | |
| 354 pp_decimal_int (pp, prec); | |
| 355 } | |
| 356 } | |
| 357 else | |
| 358 { | |
| 359 switch (code) | |
| 360 { | |
| 361 case INTEGER_TYPE: | |
| 362 pp_string (pp, (TYPE_UNSIGNED (t) | |
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363 ? M_("<unnamed-unsigned:") |
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364 : M_("<unnamed-signed:"))); |
| 0 | 365 break; |
| 366 case REAL_TYPE: | |
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367 pp_string (pp, M_("<unnamed-float:")); |
| 0 | 368 break; |
| 369 case FIXED_POINT_TYPE: | |
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370 pp_string (pp, M_("<unnamed-fixed:")); |
| 0 | 371 break; |
| 372 default: | |
| 373 gcc_unreachable (); | |
| 374 } | |
| 375 pp_decimal_int (pp, prec); | |
| 376 pp_string (pp, ">"); | |
| 377 } | |
| 378 } | |
| 379 break; | |
| 380 | |
| 381 case TYPE_DECL: | |
| 382 if (DECL_NAME (t)) | |
| 383 pp_id_expression (pp, t); | |
| 384 else | |
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385 pp_c_ws_string (pp, M_("<typedef-error>")); |
| 0 | 386 break; |
| 387 | |
| 388 case UNION_TYPE: | |
| 389 case RECORD_TYPE: | |
| 390 case ENUMERAL_TYPE: | |
| 391 if (code == UNION_TYPE) | |
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392 pp_c_ws_string (pp, "union"); |
| 0 | 393 else if (code == RECORD_TYPE) |
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394 pp_c_ws_string (pp, "struct"); |
| 0 | 395 else if (code == ENUMERAL_TYPE) |
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396 pp_c_ws_string (pp, "enum"); |
| 0 | 397 else |
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398 pp_c_ws_string (pp, M_("<tag-error>")); |
| 0 | 399 |
| 400 if (TYPE_NAME (t)) | |
| 401 pp_id_expression (pp, TYPE_NAME (t)); | |
| 402 else | |
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403 pp_c_ws_string (pp, M_("<anonymous>")); |
| 0 | 404 break; |
| 405 | |
| 406 default: | |
| 407 pp_unsupported_tree (pp, t); | |
| 408 break; | |
| 409 } | |
| 410 } | |
| 411 | |
| 412 /* specifier-qualifier-list: | |
| 413 type-specifier specifier-qualifier-list-opt | |
| 414 type-qualifier specifier-qualifier-list-opt | |
| 415 | |
| 416 | |
| 417 Implementation note: Because of the non-linearities in array or | |
| 418 function declarations, this routine prints not just the | |
| 419 specifier-qualifier-list of such entities or types of such entities, | |
| 420 but also the 'pointer' production part of their declarators. The | |
| 421 remaining part is done by pp_declarator or pp_c_abstract_declarator. */ | |
| 422 | |
| 423 void | |
| 424 pp_c_specifier_qualifier_list (c_pretty_printer *pp, tree t) | |
| 425 { | |
| 426 const enum tree_code code = TREE_CODE (t); | |
| 427 | |
| 428 if (TREE_CODE (t) != POINTER_TYPE) | |
| 429 pp_c_type_qualifier_list (pp, t); | |
| 430 switch (code) | |
| 431 { | |
| 432 case REFERENCE_TYPE: | |
| 433 case POINTER_TYPE: | |
| 434 { | |
| 435 /* Get the types-specifier of this type. */ | |
| 436 tree pointee = strip_pointer_operator (TREE_TYPE (t)); | |
| 437 pp_c_specifier_qualifier_list (pp, pointee); | |
| 438 if (TREE_CODE (pointee) == ARRAY_TYPE | |
| 439 || TREE_CODE (pointee) == FUNCTION_TYPE) | |
| 440 { | |
| 441 pp_c_whitespace (pp); | |
| 442 pp_c_left_paren (pp); | |
| 443 } | |
| 444 else if (!c_dialect_cxx ()) | |
| 445 pp_c_whitespace (pp); | |
| 446 pp_ptr_operator (pp, t); | |
| 447 } | |
| 448 break; | |
| 449 | |
| 450 case FUNCTION_TYPE: | |
| 451 case ARRAY_TYPE: | |
| 452 pp_c_specifier_qualifier_list (pp, TREE_TYPE (t)); | |
| 453 break; | |
| 454 | |
| 455 case VECTOR_TYPE: | |
| 456 case COMPLEX_TYPE: | |
| 457 pp_c_specifier_qualifier_list (pp, TREE_TYPE (t)); | |
| 458 if (code == COMPLEX_TYPE) | |
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459 pp_c_ws_string (pp, flag_isoc99 ? "_Complex" : "__complex__"); |
| 0 | 460 else if (code == VECTOR_TYPE) |
|
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461 pp_c_ws_string (pp, "__vector__"); |
| 0 | 462 break; |
| 463 | |
| 464 default: | |
| 465 pp_simple_type_specifier (pp, t); | |
| 466 break; | |
| 467 } | |
| 468 } | |
| 469 | |
| 470 /* parameter-type-list: | |
| 471 parameter-list | |
| 472 parameter-list , ... | |
| 473 | |
| 474 parameter-list: | |
| 475 parameter-declaration | |
| 476 parameter-list , parameter-declaration | |
| 477 | |
| 478 parameter-declaration: | |
| 479 declaration-specifiers declarator | |
| 480 declaration-specifiers abstract-declarator(opt) */ | |
| 481 | |
| 482 void | |
| 483 pp_c_parameter_type_list (c_pretty_printer *pp, tree t) | |
| 484 { | |
| 485 bool want_parm_decl = DECL_P (t) && !(pp->flags & pp_c_flag_abstract); | |
| 486 tree parms = want_parm_decl ? DECL_ARGUMENTS (t) : TYPE_ARG_TYPES (t); | |
| 487 pp_c_left_paren (pp); | |
| 488 if (parms == void_list_node) | |
|
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489 pp_c_ws_string (pp, "void"); |
| 0 | 490 else |
| 491 { | |
| 492 bool first = true; | |
| 493 for ( ; parms && parms != void_list_node; parms = TREE_CHAIN (parms)) | |
| 494 { | |
| 495 if (!first) | |
| 496 pp_separate_with (pp, ','); | |
| 497 first = false; | |
| 498 pp_declaration_specifiers | |
| 499 (pp, want_parm_decl ? parms : TREE_VALUE (parms)); | |
| 500 if (want_parm_decl) | |
| 501 pp_declarator (pp, parms); | |
| 502 else | |
| 503 pp_abstract_declarator (pp, TREE_VALUE (parms)); | |
| 504 } | |
| 505 } | |
| 506 pp_c_right_paren (pp); | |
| 507 } | |
| 508 | |
| 509 /* abstract-declarator: | |
| 510 pointer | |
| 511 pointer(opt) direct-abstract-declarator */ | |
| 512 | |
| 513 static void | |
| 514 pp_c_abstract_declarator (c_pretty_printer *pp, tree t) | |
| 515 { | |
| 516 if (TREE_CODE (t) == POINTER_TYPE) | |
| 517 { | |
| 518 if (TREE_CODE (TREE_TYPE (t)) == ARRAY_TYPE | |
| 519 || TREE_CODE (TREE_TYPE (t)) == FUNCTION_TYPE) | |
| 520 pp_c_right_paren (pp); | |
| 521 t = TREE_TYPE (t); | |
| 522 } | |
| 523 | |
| 524 pp_direct_abstract_declarator (pp, t); | |
| 525 } | |
| 526 | |
| 527 /* direct-abstract-declarator: | |
| 528 ( abstract-declarator ) | |
| 529 direct-abstract-declarator(opt) [ assignment-expression(opt) ] | |
| 530 direct-abstract-declarator(opt) [ * ] | |
| 531 direct-abstract-declarator(opt) ( parameter-type-list(opt) ) */ | |
| 532 | |
| 533 void | |
| 534 pp_c_direct_abstract_declarator (c_pretty_printer *pp, tree t) | |
| 535 { | |
| 536 switch (TREE_CODE (t)) | |
| 537 { | |
| 538 case POINTER_TYPE: | |
| 539 pp_abstract_declarator (pp, t); | |
| 540 break; | |
| 541 | |
| 542 case FUNCTION_TYPE: | |
| 543 pp_c_parameter_type_list (pp, t); | |
| 544 pp_direct_abstract_declarator (pp, TREE_TYPE (t)); | |
| 545 break; | |
| 546 | |
| 547 case ARRAY_TYPE: | |
| 548 pp_c_left_bracket (pp); | |
| 549 if (TYPE_DOMAIN (t) && TYPE_MAX_VALUE (TYPE_DOMAIN (t))) | |
| 550 { | |
| 551 tree maxval = TYPE_MAX_VALUE (TYPE_DOMAIN (t)); | |
| 552 tree type = TREE_TYPE (maxval); | |
| 553 | |
| 554 if (host_integerp (maxval, 0)) | |
| 555 pp_wide_integer (pp, tree_low_cst (maxval, 0) + 1); | |
| 556 else | |
| 557 pp_expression (pp, fold_build2 (PLUS_EXPR, type, maxval, | |
| 558 build_int_cst (type, 1))); | |
| 559 } | |
| 560 pp_c_right_bracket (pp); | |
| 561 pp_direct_abstract_declarator (pp, TREE_TYPE (t)); | |
| 562 break; | |
| 563 | |
| 564 case IDENTIFIER_NODE: | |
| 565 case VOID_TYPE: | |
| 566 case BOOLEAN_TYPE: | |
| 567 case INTEGER_TYPE: | |
| 568 case REAL_TYPE: | |
| 569 case FIXED_POINT_TYPE: | |
| 570 case ENUMERAL_TYPE: | |
| 571 case RECORD_TYPE: | |
| 572 case UNION_TYPE: | |
| 573 case VECTOR_TYPE: | |
| 574 case COMPLEX_TYPE: | |
| 575 case TYPE_DECL: | |
| 576 break; | |
| 577 | |
| 578 default: | |
| 579 pp_unsupported_tree (pp, t); | |
| 580 break; | |
| 581 } | |
| 582 } | |
| 583 | |
| 584 /* type-name: | |
| 585 specifier-qualifier-list abstract-declarator(opt) */ | |
| 586 | |
| 587 void | |
| 588 pp_c_type_id (c_pretty_printer *pp, tree t) | |
| 589 { | |
| 590 pp_c_specifier_qualifier_list (pp, t); | |
| 591 pp_abstract_declarator (pp, t); | |
| 592 } | |
| 593 | |
| 594 /* storage-class-specifier: | |
| 595 typedef | |
| 596 extern | |
| 597 static | |
| 598 auto | |
| 599 register */ | |
| 600 | |
| 601 void | |
| 602 pp_c_storage_class_specifier (c_pretty_printer *pp, tree t) | |
| 603 { | |
| 604 if (TREE_CODE (t) == TYPE_DECL) | |
|
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605 pp_c_ws_string (pp, "typedef"); |
| 0 | 606 else if (DECL_P (t)) |
| 607 { | |
| 608 if (DECL_REGISTER (t)) | |
|
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609 pp_c_ws_string (pp, "register"); |
| 0 | 610 else if (TREE_STATIC (t) && TREE_CODE (t) == VAR_DECL) |
|
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611 pp_c_ws_string (pp, "static"); |
| 0 | 612 } |
| 613 } | |
| 614 | |
| 615 /* function-specifier: | |
| 616 inline */ | |
| 617 | |
| 618 void | |
| 619 pp_c_function_specifier (c_pretty_printer *pp, tree t) | |
| 620 { | |
| 621 if (TREE_CODE (t) == FUNCTION_DECL && DECL_DECLARED_INLINE_P (t)) | |
|
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622 pp_c_ws_string (pp, "inline"); |
| 0 | 623 } |
| 624 | |
| 625 /* declaration-specifiers: | |
| 626 storage-class-specifier declaration-specifiers(opt) | |
| 627 type-specifier declaration-specifiers(opt) | |
| 628 type-qualifier declaration-specifiers(opt) | |
| 629 function-specifier declaration-specifiers(opt) */ | |
| 630 | |
| 631 void | |
| 632 pp_c_declaration_specifiers (c_pretty_printer *pp, tree t) | |
| 633 { | |
| 634 pp_storage_class_specifier (pp, t); | |
| 635 pp_function_specifier (pp, t); | |
| 636 pp_c_specifier_qualifier_list (pp, DECL_P (t) ? TREE_TYPE (t) : t); | |
| 637 } | |
| 638 | |
| 639 /* direct-declarator | |
| 640 identifier | |
| 641 ( declarator ) | |
| 642 direct-declarator [ type-qualifier-list(opt) assignment-expression(opt) ] | |
| 643 direct-declarator [ static type-qualifier-list(opt) assignment-expression(opt)] | |
| 644 direct-declarator [ type-qualifier-list static assignment-expression ] | |
| 645 direct-declarator [ type-qualifier-list * ] | |
| 646 direct-declarator ( parameter-type-list ) | |
| 647 direct-declarator ( identifier-list(opt) ) */ | |
| 648 | |
| 649 void | |
| 650 pp_c_direct_declarator (c_pretty_printer *pp, tree t) | |
| 651 { | |
| 652 switch (TREE_CODE (t)) | |
| 653 { | |
| 654 case VAR_DECL: | |
| 655 case PARM_DECL: | |
| 656 case TYPE_DECL: | |
| 657 case FIELD_DECL: | |
| 658 case LABEL_DECL: | |
| 659 pp_c_space_for_pointer_operator (pp, TREE_TYPE (t)); | |
| 660 pp_c_tree_decl_identifier (pp, t); | |
| 661 break; | |
| 662 | |
| 663 case ARRAY_TYPE: | |
| 664 case POINTER_TYPE: | |
| 665 pp_abstract_declarator (pp, TREE_TYPE (t)); | |
| 666 break; | |
| 667 | |
| 668 case FUNCTION_TYPE: | |
| 669 pp_parameter_list (pp, t); | |
| 670 pp_abstract_declarator (pp, TREE_TYPE (t)); | |
| 671 break; | |
| 672 | |
| 673 case FUNCTION_DECL: | |
| 674 pp_c_space_for_pointer_operator (pp, TREE_TYPE (TREE_TYPE (t))); | |
| 675 pp_c_tree_decl_identifier (pp, t); | |
| 676 if (pp_c_base (pp)->flags & pp_c_flag_abstract) | |
| 677 pp_abstract_declarator (pp, TREE_TYPE (t)); | |
| 678 else | |
| 679 { | |
| 680 pp_parameter_list (pp, t); | |
| 681 pp_abstract_declarator (pp, TREE_TYPE (TREE_TYPE (t))); | |
| 682 } | |
| 683 break; | |
| 684 | |
| 685 case INTEGER_TYPE: | |
| 686 case REAL_TYPE: | |
| 687 case FIXED_POINT_TYPE: | |
| 688 case ENUMERAL_TYPE: | |
| 689 case UNION_TYPE: | |
| 690 case RECORD_TYPE: | |
| 691 break; | |
| 692 | |
| 693 default: | |
| 694 pp_unsupported_tree (pp, t); | |
| 695 break; | |
| 696 } | |
| 697 } | |
| 698 | |
| 699 | |
| 700 /* declarator: | |
| 701 pointer(opt) direct-declarator */ | |
| 702 | |
| 703 void | |
| 704 pp_c_declarator (c_pretty_printer *pp, tree t) | |
| 705 { | |
| 706 switch (TREE_CODE (t)) | |
| 707 { | |
| 708 case INTEGER_TYPE: | |
| 709 case REAL_TYPE: | |
| 710 case FIXED_POINT_TYPE: | |
| 711 case ENUMERAL_TYPE: | |
| 712 case UNION_TYPE: | |
| 713 case RECORD_TYPE: | |
| 714 break; | |
| 715 | |
| 716 case VAR_DECL: | |
| 717 case PARM_DECL: | |
| 718 case FIELD_DECL: | |
| 719 case ARRAY_TYPE: | |
| 720 case FUNCTION_TYPE: | |
| 721 case FUNCTION_DECL: | |
| 722 case TYPE_DECL: | |
| 723 pp_direct_declarator (pp, t); | |
| 724 break; | |
| 725 | |
| 726 | |
| 727 default: | |
| 728 pp_unsupported_tree (pp, t); | |
| 729 break; | |
| 730 } | |
| 731 } | |
| 732 | |
| 733 /* declaration: | |
| 734 declaration-specifiers init-declarator-list(opt) ; */ | |
| 735 | |
| 736 void | |
| 737 pp_c_declaration (c_pretty_printer *pp, tree t) | |
| 738 { | |
| 739 pp_declaration_specifiers (pp, t); | |
| 740 pp_c_init_declarator (pp, t); | |
| 741 } | |
| 742 | |
| 743 /* Pretty-print ATTRIBUTES using GNU C extension syntax. */ | |
| 744 | |
| 745 void | |
| 746 pp_c_attributes (c_pretty_printer *pp, tree attributes) | |
| 747 { | |
| 748 if (attributes == NULL_TREE) | |
| 749 return; | |
| 750 | |
|
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751 pp_c_ws_string (pp, "__attribute__"); |
| 0 | 752 pp_c_left_paren (pp); |
| 753 pp_c_left_paren (pp); | |
| 754 for (; attributes != NULL_TREE; attributes = TREE_CHAIN (attributes)) | |
| 755 { | |
| 756 pp_tree_identifier (pp, TREE_PURPOSE (attributes)); | |
| 757 if (TREE_VALUE (attributes)) | |
| 758 pp_c_call_argument_list (pp, TREE_VALUE (attributes)); | |
| 759 | |
| 760 if (TREE_CHAIN (attributes)) | |
| 761 pp_separate_with (pp, ','); | |
| 762 } | |
| 763 pp_c_right_paren (pp); | |
| 764 pp_c_right_paren (pp); | |
| 765 } | |
| 766 | |
| 767 /* function-definition: | |
| 768 declaration-specifiers declarator compound-statement */ | |
| 769 | |
| 770 void | |
| 771 pp_c_function_definition (c_pretty_printer *pp, tree t) | |
| 772 { | |
| 773 pp_declaration_specifiers (pp, t); | |
| 774 pp_declarator (pp, t); | |
| 775 pp_needs_newline (pp) = true; | |
| 776 pp_statement (pp, DECL_SAVED_TREE (t)); | |
| 777 pp_newline (pp); | |
| 778 pp_flush (pp); | |
| 779 } | |
| 780 | |
| 781 | |
| 782 /* Expressions. */ | |
| 783 | |
| 784 /* Print out a c-char. This is called solely for characters which are | |
| 785 in the *target* execution character set. We ought to convert them | |
| 786 back to the *host* execution character set before printing, but we | |
| 787 have no way to do this at present. A decent compromise is to print | |
| 788 all characters as if they were in the host execution character set, | |
| 789 and not attempt to recover any named escape characters, but render | |
| 790 all unprintables as octal escapes. If the host and target character | |
| 791 sets are the same, this produces relatively readable output. If they | |
| 792 are not the same, strings may appear as gibberish, but that's okay | |
| 793 (in fact, it may well be what the reader wants, e.g. if they are looking | |
| 794 to see if conversion to the target character set happened correctly). | |
| 795 | |
| 796 A special case: we need to prefix \, ", and ' with backslashes. It is | |
| 797 correct to do so for the *host*'s \, ", and ', because the rest of the | |
| 798 file appears in the host character set. */ | |
| 799 | |
| 800 static void | |
| 801 pp_c_char (c_pretty_printer *pp, int c) | |
| 802 { | |
| 803 if (ISPRINT (c)) | |
| 804 { | |
| 805 switch (c) | |
| 806 { | |
| 807 case '\\': pp_string (pp, "\\\\"); break; | |
| 808 case '\'': pp_string (pp, "\\\'"); break; | |
| 809 case '\"': pp_string (pp, "\\\""); break; | |
| 810 default: pp_character (pp, c); | |
| 811 } | |
| 812 } | |
| 813 else | |
| 814 pp_scalar (pp, "\\%03o", (unsigned) c); | |
| 815 } | |
| 816 | |
| 817 /* Print out a STRING literal. */ | |
| 818 | |
| 819 void | |
| 820 pp_c_string_literal (c_pretty_printer *pp, tree s) | |
| 821 { | |
| 822 const char *p = TREE_STRING_POINTER (s); | |
| 823 int n = TREE_STRING_LENGTH (s) - 1; | |
| 824 int i; | |
| 825 pp_doublequote (pp); | |
| 826 for (i = 0; i < n; ++i) | |
| 827 pp_c_char (pp, p[i]); | |
| 828 pp_doublequote (pp); | |
| 829 } | |
| 830 | |
| 831 /* Pretty-print an INTEGER literal. */ | |
| 832 | |
| 833 static void | |
| 834 pp_c_integer_constant (c_pretty_printer *pp, tree i) | |
| 835 { | |
| 836 tree type = TREE_TYPE (i); | |
| 837 | |
| 838 if (TREE_INT_CST_HIGH (i) == 0) | |
| 839 pp_wide_integer (pp, TREE_INT_CST_LOW (i)); | |
| 840 else | |
| 841 { | |
| 842 unsigned HOST_WIDE_INT low = TREE_INT_CST_LOW (i); | |
| 843 HOST_WIDE_INT high = TREE_INT_CST_HIGH (i); | |
| 844 if (tree_int_cst_sgn (i) < 0) | |
| 845 { | |
| 846 pp_character (pp, '-'); | |
| 847 high = ~high + !low; | |
| 848 low = -low; | |
| 849 } | |
|
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850 sprintf (pp_buffer (pp)->digit_buffer, HOST_WIDE_INT_PRINT_DOUBLE_HEX, |
| 0 | 851 (unsigned HOST_WIDE_INT) high, (unsigned HOST_WIDE_INT) low); |
| 852 pp_string (pp, pp_buffer (pp)->digit_buffer); | |
| 853 } | |
| 854 if (TYPE_UNSIGNED (type)) | |
| 855 pp_character (pp, 'u'); | |
| 856 if (type == long_integer_type_node || type == long_unsigned_type_node) | |
| 857 pp_character (pp, 'l'); | |
| 858 else if (type == long_long_integer_type_node | |
| 859 || type == long_long_unsigned_type_node) | |
| 860 pp_string (pp, "ll"); | |
| 861 } | |
| 862 | |
| 863 /* Print out a CHARACTER literal. */ | |
| 864 | |
| 865 static void | |
| 866 pp_c_character_constant (c_pretty_printer *pp, tree c) | |
| 867 { | |
| 868 tree type = TREE_TYPE (c); | |
| 869 if (type == wchar_type_node) | |
| 870 pp_character (pp, 'L'); | |
| 871 pp_quote (pp); | |
| 872 if (host_integerp (c, TYPE_UNSIGNED (type))) | |
| 873 pp_c_char (pp, tree_low_cst (c, TYPE_UNSIGNED (type))); | |
| 874 else | |
| 875 pp_scalar (pp, "\\x%x", (unsigned) TREE_INT_CST_LOW (c)); | |
| 876 pp_quote (pp); | |
| 877 } | |
| 878 | |
| 879 /* Print out a BOOLEAN literal. */ | |
| 880 | |
| 881 static void | |
| 882 pp_c_bool_constant (c_pretty_printer *pp, tree b) | |
| 883 { | |
| 884 if (b == boolean_false_node) | |
| 885 { | |
| 886 if (c_dialect_cxx ()) | |
|
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887 pp_c_ws_string (pp, "false"); |
| 0 | 888 else if (flag_isoc99) |
|
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889 pp_c_ws_string (pp, "_False"); |
| 0 | 890 else |
| 891 pp_unsupported_tree (pp, b); | |
| 892 } | |
| 893 else if (b == boolean_true_node) | |
| 894 { | |
| 895 if (c_dialect_cxx ()) | |
|
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896 pp_c_ws_string (pp, "true"); |
| 0 | 897 else if (flag_isoc99) |
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898 pp_c_ws_string (pp, "_True"); |
| 0 | 899 else |
| 900 pp_unsupported_tree (pp, b); | |
| 901 } | |
| 902 else if (TREE_CODE (b) == INTEGER_CST) | |
| 903 pp_c_integer_constant (pp, b); | |
| 904 else | |
| 905 pp_unsupported_tree (pp, b); | |
| 906 } | |
| 907 | |
| 908 /* Attempt to print out an ENUMERATOR. Return true on success. Else return | |
| 909 false; that means the value was obtained by a cast, in which case | |
| 910 print out the type-id part of the cast-expression -- the casted value | |
| 911 is then printed by pp_c_integer_literal. */ | |
| 912 | |
| 913 static bool | |
| 914 pp_c_enumeration_constant (c_pretty_printer *pp, tree e) | |
| 915 { | |
| 916 bool value_is_named = true; | |
| 917 tree type = TREE_TYPE (e); | |
| 918 tree value; | |
| 919 | |
| 920 /* Find the name of this constant. */ | |
| 921 for (value = TYPE_VALUES (type); | |
| 922 value != NULL_TREE && !tree_int_cst_equal (TREE_VALUE (value), e); | |
| 923 value = TREE_CHAIN (value)) | |
| 924 ; | |
| 925 | |
| 926 if (value != NULL_TREE) | |
| 927 pp_id_expression (pp, TREE_PURPOSE (value)); | |
| 928 else | |
| 929 { | |
| 930 /* Value must have been cast. */ | |
| 931 pp_c_type_cast (pp, type); | |
| 932 value_is_named = false; | |
| 933 } | |
| 934 | |
| 935 return value_is_named; | |
| 936 } | |
| 937 | |
| 938 /* Print out a REAL value as a decimal-floating-constant. */ | |
| 939 | |
| 940 static void | |
| 941 pp_c_floating_constant (c_pretty_printer *pp, tree r) | |
| 942 { | |
| 943 real_to_decimal (pp_buffer (pp)->digit_buffer, &TREE_REAL_CST (r), | |
| 944 sizeof (pp_buffer (pp)->digit_buffer), 0, 1); | |
| 945 pp_string (pp, pp_buffer(pp)->digit_buffer); | |
| 946 if (TREE_TYPE (r) == float_type_node) | |
| 947 pp_character (pp, 'f'); | |
| 948 else if (TREE_TYPE (r) == long_double_type_node) | |
| 949 pp_character (pp, 'l'); | |
| 950 else if (TREE_TYPE (r) == dfloat128_type_node) | |
| 951 pp_string (pp, "dl"); | |
| 952 else if (TREE_TYPE (r) == dfloat64_type_node) | |
| 953 pp_string (pp, "dd"); | |
| 954 else if (TREE_TYPE (r) == dfloat32_type_node) | |
| 955 pp_string (pp, "df"); | |
| 956 } | |
| 957 | |
| 958 /* Print out a FIXED value as a decimal-floating-constant. */ | |
| 959 | |
| 960 static void | |
| 961 pp_c_fixed_constant (c_pretty_printer *pp, tree r) | |
| 962 { | |
| 963 fixed_to_decimal (pp_buffer (pp)->digit_buffer, &TREE_FIXED_CST (r), | |
| 964 sizeof (pp_buffer (pp)->digit_buffer)); | |
| 965 pp_string (pp, pp_buffer(pp)->digit_buffer); | |
| 966 } | |
| 967 | |
| 968 /* Pretty-print a compound literal expression. GNU extensions include | |
| 969 vector constants. */ | |
| 970 | |
| 971 static void | |
| 972 pp_c_compound_literal (c_pretty_printer *pp, tree e) | |
| 973 { | |
| 974 tree type = TREE_TYPE (e); | |
| 975 pp_c_type_cast (pp, type); | |
| 976 | |
| 977 switch (TREE_CODE (type)) | |
| 978 { | |
| 979 case RECORD_TYPE: | |
| 980 case UNION_TYPE: | |
| 981 case ARRAY_TYPE: | |
| 982 case VECTOR_TYPE: | |
| 983 case COMPLEX_TYPE: | |
| 984 pp_c_brace_enclosed_initializer_list (pp, e); | |
| 985 break; | |
| 986 | |
| 987 default: | |
| 988 pp_unsupported_tree (pp, e); | |
| 989 break; | |
| 990 } | |
| 991 } | |
| 992 | |
| 993 /* Pretty-print a COMPLEX_EXPR expression. */ | |
| 994 | |
| 995 static void | |
| 996 pp_c_complex_expr (c_pretty_printer *pp, tree e) | |
| 997 { | |
| 998 /* Handle a few common special cases, otherwise fallback | |
| 999 to printing it as compound literal. */ | |
| 1000 tree type = TREE_TYPE (e); | |
| 1001 tree realexpr = TREE_OPERAND (e, 0); | |
| 1002 tree imagexpr = TREE_OPERAND (e, 1); | |
| 1003 | |
| 1004 /* Cast of an COMPLEX_TYPE expression to a different COMPLEX_TYPE. */ | |
| 1005 if (TREE_CODE (realexpr) == NOP_EXPR | |
| 1006 && TREE_CODE (imagexpr) == NOP_EXPR | |
| 1007 && TREE_TYPE (realexpr) == TREE_TYPE (type) | |
| 1008 && TREE_TYPE (imagexpr) == TREE_TYPE (type) | |
| 1009 && TREE_CODE (TREE_OPERAND (realexpr, 0)) == REALPART_EXPR | |
| 1010 && TREE_CODE (TREE_OPERAND (imagexpr, 0)) == IMAGPART_EXPR | |
| 1011 && TREE_OPERAND (TREE_OPERAND (realexpr, 0), 0) | |
| 1012 == TREE_OPERAND (TREE_OPERAND (imagexpr, 0), 0)) | |
| 1013 { | |
| 1014 pp_c_type_cast (pp, type); | |
| 1015 pp_expression (pp, TREE_OPERAND (TREE_OPERAND (realexpr, 0), 0)); | |
| 1016 return; | |
| 1017 } | |
| 1018 | |
| 1019 /* Cast of an scalar expression to COMPLEX_TYPE. */ | |
| 1020 if ((integer_zerop (imagexpr) || real_zerop (imagexpr)) | |
| 1021 && TREE_TYPE (realexpr) == TREE_TYPE (type)) | |
| 1022 { | |
| 1023 pp_c_type_cast (pp, type); | |
| 1024 if (TREE_CODE (realexpr) == NOP_EXPR) | |
| 1025 realexpr = TREE_OPERAND (realexpr, 0); | |
| 1026 pp_expression (pp, realexpr); | |
| 1027 return; | |
| 1028 } | |
| 1029 | |
| 1030 pp_c_compound_literal (pp, e); | |
| 1031 } | |
| 1032 | |
| 1033 /* constant: | |
| 1034 integer-constant | |
| 1035 floating-constant | |
| 1036 fixed-point-constant | |
| 1037 enumeration-constant | |
| 1038 character-constant */ | |
| 1039 | |
| 1040 void | |
| 1041 pp_c_constant (c_pretty_printer *pp, tree e) | |
| 1042 { | |
| 1043 const enum tree_code code = TREE_CODE (e); | |
| 1044 | |
| 1045 switch (code) | |
| 1046 { | |
| 1047 case INTEGER_CST: | |
| 1048 { | |
| 1049 tree type = TREE_TYPE (e); | |
| 1050 if (type == boolean_type_node) | |
| 1051 pp_c_bool_constant (pp, e); | |
| 1052 else if (type == char_type_node) | |
| 1053 pp_c_character_constant (pp, e); | |
| 1054 else if (TREE_CODE (type) == ENUMERAL_TYPE | |
| 1055 && pp_c_enumeration_constant (pp, e)) | |
| 1056 ; | |
| 1057 else | |
| 1058 pp_c_integer_constant (pp, e); | |
| 1059 } | |
| 1060 break; | |
| 1061 | |
| 1062 case REAL_CST: | |
| 1063 pp_c_floating_constant (pp, e); | |
| 1064 break; | |
| 1065 | |
| 1066 case FIXED_CST: | |
| 1067 pp_c_fixed_constant (pp, e); | |
| 1068 break; | |
| 1069 | |
| 1070 case STRING_CST: | |
| 1071 pp_c_string_literal (pp, e); | |
| 1072 break; | |
| 1073 | |
| 1074 case COMPLEX_CST: | |
| 1075 /* Sometimes, we are confused and we think a complex literal | |
| 1076 is a constant. Such thing is a compound literal which | |
| 1077 grammatically belongs to postfix-expr production. */ | |
| 1078 pp_c_compound_literal (pp, e); | |
| 1079 break; | |
| 1080 | |
| 1081 default: | |
| 1082 pp_unsupported_tree (pp, e); | |
| 1083 break; | |
| 1084 } | |
| 1085 } | |
| 1086 | |
|
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1087 /* Pretty-print a string such as an identifier, without changing its |
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1088 encoding, preceded by whitespace is necessary. */ |
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1089 |
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1090 void |
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1091 pp_c_ws_string (c_pretty_printer *pp, const char *str) |
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1092 { |
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1093 pp_c_maybe_whitespace (pp); |
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1094 pp_string (pp, str); |
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1095 pp_base (pp)->padding = pp_before; |
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1096 } |
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1097 |
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1098 /* Pretty-print an IDENTIFIER_NODE, which may contain UTF-8 sequences |
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1099 that need converting to the locale encoding, preceded by whitespace |
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1100 is necessary. */ |
| 0 | 1101 |
| 1102 void | |
| 1103 pp_c_identifier (c_pretty_printer *pp, const char *id) | |
| 1104 { | |
| 1105 pp_c_maybe_whitespace (pp); | |
| 1106 pp_identifier (pp, id); | |
| 1107 pp_base (pp)->padding = pp_before; | |
| 1108 } | |
| 1109 | |
| 1110 /* Pretty-print a C primary-expression. | |
| 1111 primary-expression: | |
| 1112 identifier | |
| 1113 constant | |
| 1114 string-literal | |
| 1115 ( expression ) */ | |
| 1116 | |
| 1117 void | |
| 1118 pp_c_primary_expression (c_pretty_printer *pp, tree e) | |
| 1119 { | |
| 1120 switch (TREE_CODE (e)) | |
| 1121 { | |
| 1122 case VAR_DECL: | |
| 1123 case PARM_DECL: | |
| 1124 case FIELD_DECL: | |
| 1125 case CONST_DECL: | |
| 1126 case FUNCTION_DECL: | |
| 1127 case LABEL_DECL: | |
| 1128 pp_c_tree_decl_identifier (pp, e); | |
| 1129 break; | |
| 1130 | |
| 1131 case IDENTIFIER_NODE: | |
| 1132 pp_c_tree_identifier (pp, e); | |
| 1133 break; | |
| 1134 | |
| 1135 case ERROR_MARK: | |
|
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1136 pp_c_ws_string (pp, M_("<erroneous-expression>")); |
| 0 | 1137 break; |
| 1138 | |
| 1139 case RESULT_DECL: | |
|
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1140 pp_c_ws_string (pp, M_("<return-value>")); |
| 0 | 1141 break; |
| 1142 | |
| 1143 case INTEGER_CST: | |
| 1144 case REAL_CST: | |
| 1145 case FIXED_CST: | |
| 1146 case STRING_CST: | |
| 1147 pp_c_constant (pp, e); | |
| 1148 break; | |
| 1149 | |
| 1150 case TARGET_EXPR: | |
|
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1151 pp_c_ws_string (pp, "__builtin_memcpy"); |
| 0 | 1152 pp_c_left_paren (pp); |
| 1153 pp_ampersand (pp); | |
| 1154 pp_primary_expression (pp, TREE_OPERAND (e, 0)); | |
| 1155 pp_separate_with (pp, ','); | |
| 1156 pp_ampersand (pp); | |
| 1157 pp_initializer (pp, TREE_OPERAND (e, 1)); | |
| 1158 if (TREE_OPERAND (e, 2)) | |
| 1159 { | |
| 1160 pp_separate_with (pp, ','); | |
| 1161 pp_c_expression (pp, TREE_OPERAND (e, 2)); | |
| 1162 } | |
| 1163 pp_c_right_paren (pp); | |
| 1164 break; | |
| 1165 | |
| 1166 default: | |
| 1167 /* FIXME: Make sure we won't get into an infinite loop. */ | |
| 1168 pp_c_left_paren (pp); | |
| 1169 pp_expression (pp, e); | |
| 1170 pp_c_right_paren (pp); | |
| 1171 break; | |
| 1172 } | |
| 1173 } | |
| 1174 | |
| 1175 /* Print out a C initializer -- also support C compound-literals. | |
| 1176 initializer: | |
| 1177 assignment-expression: | |
| 1178 { initializer-list } | |
| 1179 { initializer-list , } */ | |
| 1180 | |
| 1181 static void | |
| 1182 pp_c_initializer (c_pretty_printer *pp, tree e) | |
| 1183 { | |
| 1184 if (TREE_CODE (e) == CONSTRUCTOR) | |
| 1185 pp_c_brace_enclosed_initializer_list (pp, e); | |
| 1186 else | |
| 1187 pp_expression (pp, e); | |
| 1188 } | |
| 1189 | |
| 1190 /* init-declarator: | |
| 1191 declarator: | |
| 1192 declarator = initializer */ | |
| 1193 | |
| 1194 void | |
| 1195 pp_c_init_declarator (c_pretty_printer *pp, tree t) | |
| 1196 { | |
| 1197 pp_declarator (pp, t); | |
| 1198 /* We don't want to output function definitions here. There are handled | |
| 1199 elsewhere (and the syntactic form is bogus anyway). */ | |
| 1200 if (TREE_CODE (t) != FUNCTION_DECL && DECL_INITIAL (t)) | |
| 1201 { | |
| 1202 tree init = DECL_INITIAL (t); | |
| 1203 /* This C++ bit is handled here because it is easier to do so. | |
| 1204 In templates, the C++ parser builds a TREE_LIST for a | |
| 1205 direct-initialization; the TREE_PURPOSE is the variable to | |
| 1206 initialize and the TREE_VALUE is the initializer. */ | |
| 1207 if (TREE_CODE (init) == TREE_LIST) | |
| 1208 { | |
| 1209 pp_c_left_paren (pp); | |
| 1210 pp_expression (pp, TREE_VALUE (init)); | |
| 1211 pp_right_paren (pp); | |
| 1212 } | |
| 1213 else | |
| 1214 { | |
| 1215 pp_space (pp); | |
| 1216 pp_equal (pp); | |
| 1217 pp_space (pp); | |
| 1218 pp_c_initializer (pp, init); | |
| 1219 } | |
| 1220 } | |
| 1221 } | |
| 1222 | |
| 1223 /* initializer-list: | |
| 1224 designation(opt) initializer | |
| 1225 initializer-list , designation(opt) initializer | |
| 1226 | |
| 1227 designation: | |
| 1228 designator-list = | |
| 1229 | |
| 1230 designator-list: | |
| 1231 designator | |
| 1232 designator-list designator | |
| 1233 | |
| 1234 designator: | |
| 1235 [ constant-expression ] | |
| 1236 identifier */ | |
| 1237 | |
| 1238 static void | |
| 1239 pp_c_initializer_list (c_pretty_printer *pp, tree e) | |
| 1240 { | |
| 1241 tree type = TREE_TYPE (e); | |
| 1242 const enum tree_code code = TREE_CODE (type); | |
| 1243 | |
| 1244 if (TREE_CODE (e) == CONSTRUCTOR) | |
| 1245 { | |
| 1246 pp_c_constructor_elts (pp, CONSTRUCTOR_ELTS (e)); | |
| 1247 return; | |
| 1248 } | |
| 1249 | |
| 1250 switch (code) | |
| 1251 { | |
| 1252 case RECORD_TYPE: | |
| 1253 case UNION_TYPE: | |
| 1254 case ARRAY_TYPE: | |
| 1255 { | |
| 1256 tree init = TREE_OPERAND (e, 0); | |
| 1257 for (; init != NULL_TREE; init = TREE_CHAIN (init)) | |
| 1258 { | |
| 1259 if (code == RECORD_TYPE || code == UNION_TYPE) | |
| 1260 { | |
| 1261 pp_c_dot (pp); | |
| 1262 pp_c_primary_expression (pp, TREE_PURPOSE (init)); | |
| 1263 } | |
| 1264 else | |
| 1265 { | |
| 1266 pp_c_left_bracket (pp); | |
| 1267 if (TREE_PURPOSE (init)) | |
| 1268 pp_c_constant (pp, TREE_PURPOSE (init)); | |
| 1269 pp_c_right_bracket (pp); | |
| 1270 } | |
| 1271 pp_c_whitespace (pp); | |
| 1272 pp_equal (pp); | |
| 1273 pp_c_whitespace (pp); | |
| 1274 pp_initializer (pp, TREE_VALUE (init)); | |
| 1275 if (TREE_CHAIN (init)) | |
| 1276 pp_separate_with (pp, ','); | |
| 1277 } | |
| 1278 } | |
| 1279 return; | |
| 1280 | |
| 1281 case VECTOR_TYPE: | |
| 1282 if (TREE_CODE (e) == VECTOR_CST) | |
| 1283 pp_c_expression_list (pp, TREE_VECTOR_CST_ELTS (e)); | |
| 1284 else | |
| 1285 break; | |
| 1286 return; | |
| 1287 | |
| 1288 case COMPLEX_TYPE: | |
| 1289 if (TREE_CODE (e) == COMPLEX_CST || TREE_CODE (e) == COMPLEX_EXPR) | |
| 1290 { | |
| 1291 const bool cst = TREE_CODE (e) == COMPLEX_CST; | |
| 1292 pp_expression (pp, cst ? TREE_REALPART (e) : TREE_OPERAND (e, 0)); | |
| 1293 pp_separate_with (pp, ','); | |
| 1294 pp_expression (pp, cst ? TREE_IMAGPART (e) : TREE_OPERAND (e, 1)); | |
| 1295 } | |
| 1296 else | |
| 1297 break; | |
| 1298 return; | |
| 1299 | |
| 1300 default: | |
| 1301 break; | |
| 1302 } | |
| 1303 | |
| 1304 pp_unsupported_tree (pp, type); | |
| 1305 } | |
| 1306 | |
| 1307 /* Pretty-print a brace-enclosed initializer-list. */ | |
| 1308 | |
| 1309 static void | |
| 1310 pp_c_brace_enclosed_initializer_list (c_pretty_printer *pp, tree l) | |
| 1311 { | |
| 1312 pp_c_left_brace (pp); | |
| 1313 pp_c_initializer_list (pp, l); | |
| 1314 pp_c_right_brace (pp); | |
| 1315 } | |
| 1316 | |
| 1317 | |
| 1318 /* This is a convenient function, used to bridge gap between C and C++ | |
| 1319 grammars. | |
| 1320 | |
| 1321 id-expression: | |
| 1322 identifier */ | |
| 1323 | |
| 1324 void | |
| 1325 pp_c_id_expression (c_pretty_printer *pp, tree t) | |
| 1326 { | |
| 1327 switch (TREE_CODE (t)) | |
| 1328 { | |
| 1329 case VAR_DECL: | |
| 1330 case PARM_DECL: | |
| 1331 case CONST_DECL: | |
| 1332 case TYPE_DECL: | |
| 1333 case FUNCTION_DECL: | |
| 1334 case FIELD_DECL: | |
| 1335 case LABEL_DECL: | |
| 1336 pp_c_tree_decl_identifier (pp, t); | |
| 1337 break; | |
| 1338 | |
| 1339 case IDENTIFIER_NODE: | |
| 1340 pp_c_tree_identifier (pp, t); | |
| 1341 break; | |
| 1342 | |
| 1343 default: | |
| 1344 pp_unsupported_tree (pp, t); | |
| 1345 break; | |
| 1346 } | |
| 1347 } | |
| 1348 | |
| 1349 /* postfix-expression: | |
| 1350 primary-expression | |
| 1351 postfix-expression [ expression ] | |
| 1352 postfix-expression ( argument-expression-list(opt) ) | |
| 1353 postfix-expression . identifier | |
| 1354 postfix-expression -> identifier | |
| 1355 postfix-expression ++ | |
| 1356 postfix-expression -- | |
| 1357 ( type-name ) { initializer-list } | |
| 1358 ( type-name ) { initializer-list , } */ | |
| 1359 | |
| 1360 void | |
| 1361 pp_c_postfix_expression (c_pretty_printer *pp, tree e) | |
| 1362 { | |
| 1363 enum tree_code code = TREE_CODE (e); | |
| 1364 switch (code) | |
| 1365 { | |
| 1366 case POSTINCREMENT_EXPR: | |
| 1367 case POSTDECREMENT_EXPR: | |
| 1368 pp_postfix_expression (pp, TREE_OPERAND (e, 0)); | |
|
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1369 pp_string (pp, code == POSTINCREMENT_EXPR ? "++" : "--"); |
| 0 | 1370 break; |
| 1371 | |
| 1372 case ARRAY_REF: | |
| 1373 pp_postfix_expression (pp, TREE_OPERAND (e, 0)); | |
| 1374 pp_c_left_bracket (pp); | |
| 1375 pp_expression (pp, TREE_OPERAND (e, 1)); | |
| 1376 pp_c_right_bracket (pp); | |
| 1377 break; | |
| 1378 | |
| 1379 case CALL_EXPR: | |
| 1380 { | |
| 1381 call_expr_arg_iterator iter; | |
| 1382 tree arg; | |
| 1383 pp_postfix_expression (pp, CALL_EXPR_FN (e)); | |
| 1384 pp_c_left_paren (pp); | |
| 1385 FOR_EACH_CALL_EXPR_ARG (arg, iter, e) | |
| 1386 { | |
| 1387 pp_expression (pp, arg); | |
| 1388 if (more_call_expr_args_p (&iter)) | |
| 1389 pp_separate_with (pp, ','); | |
| 1390 } | |
| 1391 pp_c_right_paren (pp); | |
| 1392 break; | |
| 1393 } | |
| 1394 | |
| 1395 case UNORDERED_EXPR: | |
|
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1396 pp_c_ws_string (pp, flag_isoc99 |
| 0 | 1397 ? "isunordered" |
| 1398 : "__builtin_isunordered"); | |
| 1399 goto two_args_fun; | |
| 1400 | |
| 1401 case ORDERED_EXPR: | |
|
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1402 pp_c_ws_string (pp, flag_isoc99 |
| 0 | 1403 ? "!isunordered" |
| 1404 : "!__builtin_isunordered"); | |
| 1405 goto two_args_fun; | |
| 1406 | |
| 1407 case UNLT_EXPR: | |
|
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1408 pp_c_ws_string (pp, flag_isoc99 |
| 0 | 1409 ? "!isgreaterequal" |
| 1410 : "!__builtin_isgreaterequal"); | |
| 1411 goto two_args_fun; | |
| 1412 | |
| 1413 case UNLE_EXPR: | |
|
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1414 pp_c_ws_string (pp, flag_isoc99 |
| 0 | 1415 ? "!isgreater" |
| 1416 : "!__builtin_isgreater"); | |
| 1417 goto two_args_fun; | |
| 1418 | |
| 1419 case UNGT_EXPR: | |
|
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1420 pp_c_ws_string (pp, flag_isoc99 |
| 0 | 1421 ? "!islessequal" |
| 1422 : "!__builtin_islessequal"); | |
| 1423 goto two_args_fun; | |
| 1424 | |
| 1425 case UNGE_EXPR: | |
|
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|
1426 pp_c_ws_string (pp, flag_isoc99 |
| 0 | 1427 ? "!isless" |
| 1428 : "!__builtin_isless"); | |
| 1429 goto two_args_fun; | |
| 1430 | |
| 1431 case UNEQ_EXPR: | |
|
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1432 pp_c_ws_string (pp, flag_isoc99 |
| 0 | 1433 ? "!islessgreater" |
| 1434 : "!__builtin_islessgreater"); | |
| 1435 goto two_args_fun; | |
| 1436 | |
| 1437 case LTGT_EXPR: | |
|
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|
1438 pp_c_ws_string (pp, flag_isoc99 |
| 0 | 1439 ? "islessgreater" |
| 1440 : "__builtin_islessgreater"); | |
| 1441 goto two_args_fun; | |
| 1442 | |
| 1443 two_args_fun: | |
| 1444 pp_c_left_paren (pp); | |
| 1445 pp_expression (pp, TREE_OPERAND (e, 0)); | |
| 1446 pp_separate_with (pp, ','); | |
| 1447 pp_expression (pp, TREE_OPERAND (e, 1)); | |
| 1448 pp_c_right_paren (pp); | |
| 1449 break; | |
| 1450 | |
| 1451 case ABS_EXPR: | |
|
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1452 pp_c_ws_string (pp, "__builtin_abs"); |
| 0 | 1453 pp_c_left_paren (pp); |
| 1454 pp_expression (pp, TREE_OPERAND (e, 0)); | |
| 1455 pp_c_right_paren (pp); | |
| 1456 break; | |
| 1457 | |
| 1458 case COMPONENT_REF: | |
| 1459 { | |
| 1460 tree object = TREE_OPERAND (e, 0); | |
| 1461 if (TREE_CODE (object) == INDIRECT_REF) | |
| 1462 { | |
| 1463 pp_postfix_expression (pp, TREE_OPERAND (object, 0)); | |
| 1464 pp_c_arrow (pp); | |
| 1465 } | |
| 1466 else | |
| 1467 { | |
| 1468 pp_postfix_expression (pp, object); | |
| 1469 pp_c_dot (pp); | |
| 1470 } | |
| 1471 pp_expression (pp, TREE_OPERAND (e, 1)); | |
| 1472 } | |
| 1473 break; | |
| 1474 | |
| 1475 case BIT_FIELD_REF: | |
| 1476 { | |
| 1477 tree type = TREE_TYPE (e); | |
| 1478 | |
| 1479 type = signed_or_unsigned_type_for (TYPE_UNSIGNED (type), type); | |
| 1480 if (type | |
| 1481 && tree_int_cst_equal (TYPE_SIZE (type), TREE_OPERAND (e, 1))) | |
| 1482 { | |
| 1483 HOST_WIDE_INT bitpos = tree_low_cst (TREE_OPERAND (e, 2), 0); | |
| 1484 HOST_WIDE_INT size = tree_low_cst (TYPE_SIZE (type), 0); | |
| 1485 if ((bitpos % size) == 0) | |
| 1486 { | |
| 1487 pp_c_left_paren (pp); | |
| 1488 pp_c_left_paren (pp); | |
| 1489 pp_type_id (pp, type); | |
| 1490 pp_c_star (pp); | |
| 1491 pp_c_right_paren (pp); | |
| 1492 pp_c_ampersand (pp); | |
| 1493 pp_expression (pp, TREE_OPERAND (e, 0)); | |
| 1494 pp_c_right_paren (pp); | |
| 1495 pp_c_left_bracket (pp); | |
| 1496 pp_wide_integer (pp, bitpos / size); | |
| 1497 pp_c_right_bracket (pp); | |
| 1498 break; | |
| 1499 } | |
| 1500 } | |
| 1501 pp_unsupported_tree (pp, e); | |
| 1502 } | |
| 1503 break; | |
| 1504 | |
| 1505 case COMPLEX_CST: | |
| 1506 case VECTOR_CST: | |
| 1507 pp_c_compound_literal (pp, e); | |
| 1508 break; | |
| 1509 | |
| 1510 case COMPLEX_EXPR: | |
| 1511 pp_c_complex_expr (pp, e); | |
| 1512 break; | |
| 1513 | |
| 1514 case COMPOUND_LITERAL_EXPR: | |
| 1515 e = DECL_INITIAL (COMPOUND_LITERAL_EXPR_DECL (e)); | |
| 1516 /* Fall through. */ | |
| 1517 case CONSTRUCTOR: | |
| 1518 pp_initializer (pp, e); | |
| 1519 break; | |
| 1520 | |
| 1521 case VA_ARG_EXPR: | |
|
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1522 pp_c_ws_string (pp, "__builtin_va_arg"); |
| 0 | 1523 pp_c_left_paren (pp); |
| 1524 pp_assignment_expression (pp, TREE_OPERAND (e, 0)); | |
| 1525 pp_separate_with (pp, ','); | |
| 1526 pp_type_id (pp, TREE_TYPE (e)); | |
| 1527 pp_c_right_paren (pp); | |
| 1528 break; | |
| 1529 | |
| 1530 case ADDR_EXPR: | |
| 1531 if (TREE_CODE (TREE_OPERAND (e, 0)) == FUNCTION_DECL) | |
| 1532 { | |
| 1533 pp_c_id_expression (pp, TREE_OPERAND (e, 0)); | |
| 1534 break; | |
| 1535 } | |
| 1536 /* else fall through. */ | |
| 1537 | |
| 1538 default: | |
| 1539 pp_primary_expression (pp, e); | |
| 1540 break; | |
| 1541 } | |
| 1542 } | |
| 1543 | |
| 1544 /* Print out an expression-list; E is expected to be a TREE_LIST. */ | |
| 1545 | |
| 1546 void | |
| 1547 pp_c_expression_list (c_pretty_printer *pp, tree e) | |
| 1548 { | |
| 1549 for (; e != NULL_TREE; e = TREE_CHAIN (e)) | |
| 1550 { | |
| 1551 pp_expression (pp, TREE_VALUE (e)); | |
| 1552 if (TREE_CHAIN (e)) | |
| 1553 pp_separate_with (pp, ','); | |
| 1554 } | |
| 1555 } | |
| 1556 | |
| 1557 /* Print out V, which contains the elements of a constructor. */ | |
| 1558 | |
| 1559 void | |
| 1560 pp_c_constructor_elts (c_pretty_printer *pp, VEC(constructor_elt,gc) *v) | |
| 1561 { | |
| 1562 unsigned HOST_WIDE_INT ix; | |
| 1563 tree value; | |
| 1564 | |
| 1565 FOR_EACH_CONSTRUCTOR_VALUE (v, ix, value) | |
| 1566 { | |
| 1567 pp_expression (pp, value); | |
| 1568 if (ix != VEC_length (constructor_elt, v) - 1) | |
| 1569 pp_separate_with (pp, ','); | |
| 1570 } | |
| 1571 } | |
| 1572 | |
| 1573 /* Print out an expression-list in parens, as if it were the argument | |
| 1574 list to a function. */ | |
| 1575 | |
| 1576 void | |
| 1577 pp_c_call_argument_list (c_pretty_printer *pp, tree t) | |
| 1578 { | |
| 1579 pp_c_left_paren (pp); | |
| 1580 if (t && TREE_CODE (t) == TREE_LIST) | |
| 1581 pp_c_expression_list (pp, t); | |
| 1582 pp_c_right_paren (pp); | |
| 1583 } | |
| 1584 | |
| 1585 /* unary-expression: | |
| 1586 postfix-expression | |
| 1587 ++ cast-expression | |
| 1588 -- cast-expression | |
| 1589 unary-operator cast-expression | |
| 1590 sizeof unary-expression | |
| 1591 sizeof ( type-id ) | |
| 1592 | |
| 1593 unary-operator: one of | |
| 1594 * & + - ! ~ | |
| 1595 | |
| 1596 GNU extensions. | |
| 1597 unary-expression: | |
| 1598 __alignof__ unary-expression | |
| 1599 __alignof__ ( type-id ) | |
| 1600 __real__ unary-expression | |
| 1601 __imag__ unary-expression */ | |
| 1602 | |
| 1603 void | |
| 1604 pp_c_unary_expression (c_pretty_printer *pp, tree e) | |
| 1605 { | |
| 1606 enum tree_code code = TREE_CODE (e); | |
| 1607 switch (code) | |
| 1608 { | |
| 1609 case PREINCREMENT_EXPR: | |
| 1610 case PREDECREMENT_EXPR: | |
|
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|
1611 pp_string (pp, code == PREINCREMENT_EXPR ? "++" : "--"); |
| 0 | 1612 pp_c_unary_expression (pp, TREE_OPERAND (e, 0)); |
| 1613 break; | |
| 1614 | |
| 1615 case ADDR_EXPR: | |
| 1616 case INDIRECT_REF: | |
| 1617 case NEGATE_EXPR: | |
| 1618 case BIT_NOT_EXPR: | |
| 1619 case TRUTH_NOT_EXPR: | |
| 1620 case CONJ_EXPR: | |
| 1621 /* String literal are used by address. */ | |
| 1622 if (code == ADDR_EXPR && TREE_CODE (TREE_OPERAND (e, 0)) != STRING_CST) | |
| 1623 pp_ampersand (pp); | |
| 1624 else if (code == INDIRECT_REF) | |
| 1625 pp_c_star (pp); | |
| 1626 else if (code == NEGATE_EXPR) | |
| 1627 pp_minus (pp); | |
| 1628 else if (code == BIT_NOT_EXPR || code == CONJ_EXPR) | |
| 1629 pp_complement (pp); | |
| 1630 else if (code == TRUTH_NOT_EXPR) | |
| 1631 pp_exclamation (pp); | |
| 1632 pp_c_cast_expression (pp, TREE_OPERAND (e, 0)); | |
| 1633 break; | |
| 1634 | |
| 1635 case REALPART_EXPR: | |
| 1636 case IMAGPART_EXPR: | |
|
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1637 pp_c_ws_string (pp, code == REALPART_EXPR ? "__real__" : "__imag__"); |
| 0 | 1638 pp_c_whitespace (pp); |
| 1639 pp_unary_expression (pp, TREE_OPERAND (e, 0)); | |
| 1640 break; | |
| 1641 | |
| 1642 default: | |
| 1643 pp_postfix_expression (pp, e); | |
| 1644 break; | |
| 1645 } | |
| 1646 } | |
| 1647 | |
| 1648 /* cast-expression: | |
| 1649 unary-expression | |
| 1650 ( type-name ) cast-expression */ | |
| 1651 | |
| 1652 void | |
| 1653 pp_c_cast_expression (c_pretty_printer *pp, tree e) | |
| 1654 { | |
| 1655 switch (TREE_CODE (e)) | |
| 1656 { | |
| 1657 case FLOAT_EXPR: | |
| 1658 case FIX_TRUNC_EXPR: | |
| 1659 CASE_CONVERT: | |
| 1660 case VIEW_CONVERT_EXPR: | |
| 1661 pp_c_type_cast (pp, TREE_TYPE (e)); | |
| 1662 pp_c_cast_expression (pp, TREE_OPERAND (e, 0)); | |
| 1663 break; | |
| 1664 | |
| 1665 default: | |
| 1666 pp_unary_expression (pp, e); | |
| 1667 } | |
| 1668 } | |
| 1669 | |
| 1670 /* multiplicative-expression: | |
| 1671 cast-expression | |
| 1672 multiplicative-expression * cast-expression | |
| 1673 multiplicative-expression / cast-expression | |
| 1674 multiplicative-expression % cast-expression */ | |
| 1675 | |
| 1676 static void | |
| 1677 pp_c_multiplicative_expression (c_pretty_printer *pp, tree e) | |
| 1678 { | |
| 1679 enum tree_code code = TREE_CODE (e); | |
| 1680 switch (code) | |
| 1681 { | |
| 1682 case MULT_EXPR: | |
| 1683 case TRUNC_DIV_EXPR: | |
| 1684 case TRUNC_MOD_EXPR: | |
| 1685 pp_multiplicative_expression (pp, TREE_OPERAND (e, 0)); | |
| 1686 pp_c_whitespace (pp); | |
| 1687 if (code == MULT_EXPR) | |
| 1688 pp_c_star (pp); | |
| 1689 else if (code == TRUNC_DIV_EXPR) | |
| 1690 pp_slash (pp); | |
| 1691 else | |
| 1692 pp_modulo (pp); | |
| 1693 pp_c_whitespace (pp); | |
| 1694 pp_c_cast_expression (pp, TREE_OPERAND (e, 1)); | |
| 1695 break; | |
| 1696 | |
| 1697 default: | |
| 1698 pp_c_cast_expression (pp, e); | |
| 1699 break; | |
| 1700 } | |
| 1701 } | |
| 1702 | |
| 1703 /* additive-expression: | |
| 1704 multiplicative-expression | |
| 1705 additive-expression + multiplicative-expression | |
| 1706 additive-expression - multiplicative-expression */ | |
| 1707 | |
| 1708 static void | |
| 1709 pp_c_additive_expression (c_pretty_printer *pp, tree e) | |
| 1710 { | |
| 1711 enum tree_code code = TREE_CODE (e); | |
| 1712 switch (code) | |
| 1713 { | |
| 1714 case POINTER_PLUS_EXPR: | |
| 1715 case PLUS_EXPR: | |
| 1716 case MINUS_EXPR: | |
| 1717 pp_c_additive_expression (pp, TREE_OPERAND (e, 0)); | |
| 1718 pp_c_whitespace (pp); | |
| 1719 if (code == PLUS_EXPR || code == POINTER_PLUS_EXPR) | |
| 1720 pp_plus (pp); | |
| 1721 else | |
| 1722 pp_minus (pp); | |
| 1723 pp_c_whitespace (pp); | |
| 1724 pp_multiplicative_expression (pp, TREE_OPERAND (e, 1)); | |
| 1725 break; | |
| 1726 | |
| 1727 default: | |
| 1728 pp_multiplicative_expression (pp, e); | |
| 1729 break; | |
| 1730 } | |
| 1731 } | |
| 1732 | |
| 1733 /* additive-expression: | |
| 1734 additive-expression | |
| 1735 shift-expression << additive-expression | |
| 1736 shift-expression >> additive-expression */ | |
| 1737 | |
| 1738 static void | |
| 1739 pp_c_shift_expression (c_pretty_printer *pp, tree e) | |
| 1740 { | |
| 1741 enum tree_code code = TREE_CODE (e); | |
| 1742 switch (code) | |
| 1743 { | |
| 1744 case LSHIFT_EXPR: | |
| 1745 case RSHIFT_EXPR: | |
| 1746 pp_c_shift_expression (pp, TREE_OPERAND (e, 0)); | |
| 1747 pp_c_whitespace (pp); | |
|
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|
1748 pp_string (pp, code == LSHIFT_EXPR ? "<<" : ">>"); |
| 0 | 1749 pp_c_whitespace (pp); |
| 1750 pp_c_additive_expression (pp, TREE_OPERAND (e, 1)); | |
| 1751 break; | |
| 1752 | |
| 1753 default: | |
| 1754 pp_c_additive_expression (pp, e); | |
| 1755 } | |
| 1756 } | |
| 1757 | |
| 1758 /* relational-expression: | |
| 1759 shift-expression | |
| 1760 relational-expression < shift-expression | |
| 1761 relational-expression > shift-expression | |
| 1762 relational-expression <= shift-expression | |
| 1763 relational-expression >= shift-expression */ | |
| 1764 | |
| 1765 static void | |
| 1766 pp_c_relational_expression (c_pretty_printer *pp, tree e) | |
| 1767 { | |
| 1768 enum tree_code code = TREE_CODE (e); | |
| 1769 switch (code) | |
| 1770 { | |
| 1771 case LT_EXPR: | |
| 1772 case GT_EXPR: | |
| 1773 case LE_EXPR: | |
| 1774 case GE_EXPR: | |
| 1775 pp_c_relational_expression (pp, TREE_OPERAND (e, 0)); | |
| 1776 pp_c_whitespace (pp); | |
| 1777 if (code == LT_EXPR) | |
| 1778 pp_less (pp); | |
| 1779 else if (code == GT_EXPR) | |
| 1780 pp_greater (pp); | |
| 1781 else if (code == LE_EXPR) | |
|
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|
1782 pp_string (pp, "<="); |
| 0 | 1783 else if (code == GE_EXPR) |
|
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|
1784 pp_string (pp, ">="); |
| 0 | 1785 pp_c_whitespace (pp); |
| 1786 pp_c_shift_expression (pp, TREE_OPERAND (e, 1)); | |
| 1787 break; | |
| 1788 | |
| 1789 default: | |
| 1790 pp_c_shift_expression (pp, e); | |
| 1791 break; | |
| 1792 } | |
| 1793 } | |
| 1794 | |
| 1795 /* equality-expression: | |
| 1796 relational-expression | |
| 1797 equality-expression == relational-expression | |
| 1798 equality-equality != relational-expression */ | |
| 1799 | |
| 1800 static void | |
| 1801 pp_c_equality_expression (c_pretty_printer *pp, tree e) | |
| 1802 { | |
| 1803 enum tree_code code = TREE_CODE (e); | |
| 1804 switch (code) | |
| 1805 { | |
| 1806 case EQ_EXPR: | |
| 1807 case NE_EXPR: | |
| 1808 pp_c_equality_expression (pp, TREE_OPERAND (e, 0)); | |
| 1809 pp_c_whitespace (pp); | |
|
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1810 pp_string (pp, code == EQ_EXPR ? "==" : "!="); |
| 0 | 1811 pp_c_whitespace (pp); |
| 1812 pp_c_relational_expression (pp, TREE_OPERAND (e, 1)); | |
| 1813 break; | |
| 1814 | |
| 1815 default: | |
| 1816 pp_c_relational_expression (pp, e); | |
| 1817 break; | |
| 1818 } | |
| 1819 } | |
| 1820 | |
| 1821 /* AND-expression: | |
| 1822 equality-expression | |
| 1823 AND-expression & equality-equality */ | |
| 1824 | |
| 1825 static void | |
| 1826 pp_c_and_expression (c_pretty_printer *pp, tree e) | |
| 1827 { | |
| 1828 if (TREE_CODE (e) == BIT_AND_EXPR) | |
| 1829 { | |
| 1830 pp_c_and_expression (pp, TREE_OPERAND (e, 0)); | |
| 1831 pp_c_whitespace (pp); | |
| 1832 pp_ampersand (pp); | |
| 1833 pp_c_whitespace (pp); | |
| 1834 pp_c_equality_expression (pp, TREE_OPERAND (e, 1)); | |
| 1835 } | |
| 1836 else | |
| 1837 pp_c_equality_expression (pp, e); | |
| 1838 } | |
| 1839 | |
| 1840 /* exclusive-OR-expression: | |
| 1841 AND-expression | |
| 1842 exclusive-OR-expression ^ AND-expression */ | |
| 1843 | |
| 1844 static void | |
| 1845 pp_c_exclusive_or_expression (c_pretty_printer *pp, tree e) | |
| 1846 { | |
| 1847 if (TREE_CODE (e) == BIT_XOR_EXPR | |
| 1848 || TREE_CODE (e) == TRUTH_XOR_EXPR) | |
| 1849 { | |
| 1850 pp_c_exclusive_or_expression (pp, TREE_OPERAND (e, 0)); | |
| 1851 if (TREE_CODE (e) == BIT_XOR_EXPR) | |
| 1852 pp_c_maybe_whitespace (pp); | |
| 1853 else | |
| 1854 pp_c_whitespace (pp); | |
| 1855 pp_carret (pp); | |
| 1856 pp_c_whitespace (pp); | |
| 1857 pp_c_and_expression (pp, TREE_OPERAND (e, 1)); | |
| 1858 } | |
| 1859 else | |
| 1860 pp_c_and_expression (pp, e); | |
| 1861 } | |
| 1862 | |
| 1863 /* inclusive-OR-expression: | |
| 1864 exclusive-OR-expression | |
| 1865 inclusive-OR-expression | exclusive-OR-expression */ | |
| 1866 | |
| 1867 static void | |
| 1868 pp_c_inclusive_or_expression (c_pretty_printer *pp, tree e) | |
| 1869 { | |
| 1870 if (TREE_CODE (e) == BIT_IOR_EXPR) | |
| 1871 { | |
| 1872 pp_c_exclusive_or_expression (pp, TREE_OPERAND (e, 0)); | |
| 1873 pp_c_whitespace (pp); | |
| 1874 pp_bar (pp); | |
| 1875 pp_c_whitespace (pp); | |
| 1876 pp_c_exclusive_or_expression (pp, TREE_OPERAND (e, 1)); | |
| 1877 } | |
| 1878 else | |
| 1879 pp_c_exclusive_or_expression (pp, e); | |
| 1880 } | |
| 1881 | |
| 1882 /* logical-AND-expression: | |
| 1883 inclusive-OR-expression | |
| 1884 logical-AND-expression && inclusive-OR-expression */ | |
| 1885 | |
| 1886 static void | |
| 1887 pp_c_logical_and_expression (c_pretty_printer *pp, tree e) | |
| 1888 { | |
| 1889 if (TREE_CODE (e) == TRUTH_ANDIF_EXPR | |
| 1890 || TREE_CODE (e) == TRUTH_AND_EXPR) | |
| 1891 { | |
| 1892 pp_c_logical_and_expression (pp, TREE_OPERAND (e, 0)); | |
| 1893 pp_c_whitespace (pp); | |
|
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|
1894 pp_string (pp, "&&"); |
| 0 | 1895 pp_c_whitespace (pp); |
| 1896 pp_c_inclusive_or_expression (pp, TREE_OPERAND (e, 1)); | |
| 1897 } | |
| 1898 else | |
| 1899 pp_c_inclusive_or_expression (pp, e); | |
| 1900 } | |
| 1901 | |
| 1902 /* logical-OR-expression: | |
| 1903 logical-AND-expression | |
| 1904 logical-OR-expression || logical-AND-expression */ | |
| 1905 | |
| 1906 void | |
| 1907 pp_c_logical_or_expression (c_pretty_printer *pp, tree e) | |
| 1908 { | |
| 1909 if (TREE_CODE (e) == TRUTH_ORIF_EXPR | |
| 1910 || TREE_CODE (e) == TRUTH_OR_EXPR) | |
| 1911 { | |
| 1912 pp_c_logical_or_expression (pp, TREE_OPERAND (e, 0)); | |
| 1913 pp_c_whitespace (pp); | |
|
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|
1914 pp_string (pp, "||"); |
| 0 | 1915 pp_c_whitespace (pp); |
| 1916 pp_c_logical_and_expression (pp, TREE_OPERAND (e, 1)); | |
| 1917 } | |
| 1918 else | |
| 1919 pp_c_logical_and_expression (pp, e); | |
| 1920 } | |
| 1921 | |
| 1922 /* conditional-expression: | |
| 1923 logical-OR-expression | |
| 1924 logical-OR-expression ? expression : conditional-expression */ | |
| 1925 | |
| 1926 static void | |
| 1927 pp_c_conditional_expression (c_pretty_printer *pp, tree e) | |
| 1928 { | |
| 1929 if (TREE_CODE (e) == COND_EXPR) | |
| 1930 { | |
| 1931 pp_c_logical_or_expression (pp, TREE_OPERAND (e, 0)); | |
| 1932 pp_c_whitespace (pp); | |
| 1933 pp_question (pp); | |
| 1934 pp_c_whitespace (pp); | |
| 1935 pp_expression (pp, TREE_OPERAND (e, 1)); | |
| 1936 pp_c_whitespace (pp); | |
| 1937 pp_colon (pp); | |
| 1938 pp_c_whitespace (pp); | |
| 1939 pp_c_conditional_expression (pp, TREE_OPERAND (e, 2)); | |
| 1940 } | |
| 1941 else | |
| 1942 pp_c_logical_or_expression (pp, e); | |
| 1943 } | |
| 1944 | |
| 1945 | |
| 1946 /* assignment-expression: | |
| 1947 conditional-expression | |
| 1948 unary-expression assignment-operator assignment-expression | |
| 1949 | |
| 1950 assignment-expression: one of | |
| 1951 = *= /= %= += -= >>= <<= &= ^= |= */ | |
| 1952 | |
| 1953 static void | |
| 1954 pp_c_assignment_expression (c_pretty_printer *pp, tree e) | |
| 1955 { | |
|
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ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
1956 if (TREE_CODE (e) == MODIFY_EXPR |
| 0 | 1957 || TREE_CODE (e) == INIT_EXPR) |
| 1958 { | |
| 1959 pp_c_unary_expression (pp, TREE_OPERAND (e, 0)); | |
| 1960 pp_c_whitespace (pp); | |
| 1961 pp_equal (pp); | |
| 1962 pp_space (pp); | |
| 1963 pp_c_expression (pp, TREE_OPERAND (e, 1)); | |
| 1964 } | |
| 1965 else | |
| 1966 pp_c_conditional_expression (pp, e); | |
| 1967 } | |
| 1968 | |
| 1969 /* expression: | |
| 1970 assignment-expression | |
| 1971 expression , assignment-expression | |
| 1972 | |
| 1973 Implementation note: instead of going through the usual recursion | |
| 1974 chain, I take the liberty of dispatching nodes to the appropriate | |
| 1975 functions. This makes some redundancy, but it worths it. That also | |
| 1976 prevents a possible infinite recursion between pp_c_primary_expression () | |
| 1977 and pp_c_expression (). */ | |
| 1978 | |
| 1979 void | |
| 1980 pp_c_expression (c_pretty_printer *pp, tree e) | |
| 1981 { | |
| 1982 switch (TREE_CODE (e)) | |
| 1983 { | |
| 1984 case INTEGER_CST: | |
| 1985 pp_c_integer_constant (pp, e); | |
| 1986 break; | |
| 1987 | |
| 1988 case REAL_CST: | |
| 1989 pp_c_floating_constant (pp, e); | |
| 1990 break; | |
| 1991 | |
| 1992 case FIXED_CST: | |
| 1993 pp_c_fixed_constant (pp, e); | |
| 1994 break; | |
| 1995 | |
| 1996 case STRING_CST: | |
| 1997 pp_c_string_literal (pp, e); | |
| 1998 break; | |
| 1999 | |
| 2000 case IDENTIFIER_NODE: | |
| 2001 case FUNCTION_DECL: | |
| 2002 case VAR_DECL: | |
| 2003 case CONST_DECL: | |
| 2004 case PARM_DECL: | |
| 2005 case RESULT_DECL: | |
| 2006 case FIELD_DECL: | |
| 2007 case LABEL_DECL: | |
| 2008 case ERROR_MARK: | |
| 2009 pp_primary_expression (pp, e); | |
| 2010 break; | |
| 2011 | |
| 2012 case POSTINCREMENT_EXPR: | |
| 2013 case POSTDECREMENT_EXPR: | |
| 2014 case ARRAY_REF: | |
| 2015 case CALL_EXPR: | |
| 2016 case COMPONENT_REF: | |
| 2017 case BIT_FIELD_REF: | |
| 2018 case COMPLEX_CST: | |
| 2019 case COMPLEX_EXPR: | |
| 2020 case VECTOR_CST: | |
| 2021 case ORDERED_EXPR: | |
| 2022 case UNORDERED_EXPR: | |
| 2023 case LTGT_EXPR: | |
| 2024 case UNEQ_EXPR: | |
| 2025 case UNLE_EXPR: | |
| 2026 case UNLT_EXPR: | |
| 2027 case UNGE_EXPR: | |
| 2028 case UNGT_EXPR: | |
| 2029 case ABS_EXPR: | |
| 2030 case CONSTRUCTOR: | |
| 2031 case COMPOUND_LITERAL_EXPR: | |
| 2032 case VA_ARG_EXPR: | |
| 2033 pp_postfix_expression (pp, e); | |
| 2034 break; | |
| 2035 | |
| 2036 case CONJ_EXPR: | |
| 2037 case ADDR_EXPR: | |
| 2038 case INDIRECT_REF: | |
| 2039 case NEGATE_EXPR: | |
| 2040 case BIT_NOT_EXPR: | |
| 2041 case TRUTH_NOT_EXPR: | |
| 2042 case PREINCREMENT_EXPR: | |
| 2043 case PREDECREMENT_EXPR: | |
| 2044 case REALPART_EXPR: | |
| 2045 case IMAGPART_EXPR: | |
| 2046 pp_c_unary_expression (pp, e); | |
| 2047 break; | |
| 2048 | |
| 2049 case FLOAT_EXPR: | |
| 2050 case FIX_TRUNC_EXPR: | |
| 2051 CASE_CONVERT: | |
| 2052 case VIEW_CONVERT_EXPR: | |
| 2053 pp_c_cast_expression (pp, e); | |
| 2054 break; | |
| 2055 | |
| 2056 case MULT_EXPR: | |
| 2057 case TRUNC_MOD_EXPR: | |
| 2058 case TRUNC_DIV_EXPR: | |
| 2059 pp_multiplicative_expression (pp, e); | |
| 2060 break; | |
| 2061 | |
| 2062 case LSHIFT_EXPR: | |
| 2063 case RSHIFT_EXPR: | |
| 2064 pp_c_shift_expression (pp, e); | |
| 2065 break; | |
| 2066 | |
| 2067 case LT_EXPR: | |
| 2068 case GT_EXPR: | |
| 2069 case LE_EXPR: | |
| 2070 case GE_EXPR: | |
| 2071 pp_c_relational_expression (pp, e); | |
| 2072 break; | |
| 2073 | |
| 2074 case BIT_AND_EXPR: | |
| 2075 pp_c_and_expression (pp, e); | |
| 2076 break; | |
| 2077 | |
| 2078 case BIT_XOR_EXPR: | |
| 2079 case TRUTH_XOR_EXPR: | |
| 2080 pp_c_exclusive_or_expression (pp, e); | |
| 2081 break; | |
| 2082 | |
| 2083 case BIT_IOR_EXPR: | |
| 2084 pp_c_inclusive_or_expression (pp, e); | |
| 2085 break; | |
| 2086 | |
| 2087 case TRUTH_ANDIF_EXPR: | |
| 2088 case TRUTH_AND_EXPR: | |
| 2089 pp_c_logical_and_expression (pp, e); | |
| 2090 break; | |
| 2091 | |
| 2092 case TRUTH_ORIF_EXPR: | |
| 2093 case TRUTH_OR_EXPR: | |
| 2094 pp_c_logical_or_expression (pp, e); | |
| 2095 break; | |
| 2096 | |
| 2097 case EQ_EXPR: | |
| 2098 case NE_EXPR: | |
| 2099 pp_c_equality_expression (pp, e); | |
| 2100 break; | |
| 2101 | |
| 2102 case COND_EXPR: | |
| 2103 pp_conditional_expression (pp, e); | |
| 2104 break; | |
| 2105 | |
| 2106 case POINTER_PLUS_EXPR: | |
| 2107 case PLUS_EXPR: | |
| 2108 case MINUS_EXPR: | |
| 2109 pp_c_additive_expression (pp, e); | |
| 2110 break; | |
| 2111 | |
| 2112 case MODIFY_EXPR: | |
| 2113 case INIT_EXPR: | |
| 2114 pp_assignment_expression (pp, e); | |
| 2115 break; | |
| 2116 | |
| 2117 case COMPOUND_EXPR: | |
| 2118 pp_c_left_paren (pp); | |
| 2119 pp_expression (pp, TREE_OPERAND (e, 0)); | |
| 2120 pp_separate_with (pp, ','); | |
| 2121 pp_assignment_expression (pp, TREE_OPERAND (e, 1)); | |
| 2122 pp_c_right_paren (pp); | |
| 2123 break; | |
| 2124 | |
| 2125 case NON_LVALUE_EXPR: | |
| 2126 case SAVE_EXPR: | |
| 2127 pp_expression (pp, TREE_OPERAND (e, 0)); | |
| 2128 break; | |
| 2129 | |
| 2130 case TARGET_EXPR: | |
| 2131 pp_postfix_expression (pp, TREE_OPERAND (e, 1)); | |
| 2132 break; | |
| 2133 | |
| 2134 case BIND_EXPR: | |
| 2135 case GOTO_EXPR: | |
| 2136 /* We don't yet have a way of dumping statements in a | |
| 2137 human-readable format. */ | |
| 2138 pp_string (pp, "({...})"); | |
| 2139 break; | |
| 2140 | |
| 2141 default: | |
| 2142 pp_unsupported_tree (pp, e); | |
| 2143 break; | |
| 2144 } | |
| 2145 } | |
| 2146 | |
| 2147 | |
| 2148 | |
| 2149 /* Statements. */ | |
| 2150 | |
| 2151 void | |
| 2152 pp_c_statement (c_pretty_printer *pp, tree stmt) | |
| 2153 { | |
| 2154 if (stmt == NULL) | |
| 2155 return; | |
| 2156 | |
| 2157 if (pp_needs_newline (pp)) | |
| 2158 pp_newline_and_indent (pp, 0); | |
| 2159 | |
| 2160 dump_generic_node (pp_base (pp), stmt, pp_indentation (pp), 0, true); | |
| 2161 } | |
| 2162 | |
| 2163 | |
| 2164 /* Initialize the PRETTY-PRINTER for handling C codes. */ | |
| 2165 | |
| 2166 void | |
| 2167 pp_c_pretty_printer_init (c_pretty_printer *pp) | |
| 2168 { | |
| 2169 pp->offset_list = 0; | |
| 2170 | |
| 2171 pp->declaration = pp_c_declaration; | |
| 2172 pp->declaration_specifiers = pp_c_declaration_specifiers; | |
| 2173 pp->declarator = pp_c_declarator; | |
| 2174 pp->direct_declarator = pp_c_direct_declarator; | |
| 2175 pp->type_specifier_seq = pp_c_specifier_qualifier_list; | |
| 2176 pp->abstract_declarator = pp_c_abstract_declarator; | |
| 2177 pp->direct_abstract_declarator = pp_c_direct_abstract_declarator; | |
| 2178 pp->ptr_operator = pp_c_pointer; | |
| 2179 pp->parameter_list = pp_c_parameter_type_list; | |
| 2180 pp->type_id = pp_c_type_id; | |
| 2181 pp->simple_type_specifier = pp_c_type_specifier; | |
| 2182 pp->function_specifier = pp_c_function_specifier; | |
| 2183 pp->storage_class_specifier = pp_c_storage_class_specifier; | |
| 2184 | |
| 2185 pp->statement = pp_c_statement; | |
| 2186 | |
| 2187 pp->constant = pp_c_constant; | |
| 2188 pp->id_expression = pp_c_id_expression; | |
| 2189 pp->primary_expression = pp_c_primary_expression; | |
| 2190 pp->postfix_expression = pp_c_postfix_expression; | |
| 2191 pp->unary_expression = pp_c_unary_expression; | |
| 2192 pp->initializer = pp_c_initializer; | |
| 2193 pp->multiplicative_expression = pp_c_multiplicative_expression; | |
| 2194 pp->conditional_expression = pp_c_conditional_expression; | |
| 2195 pp->assignment_expression = pp_c_assignment_expression; | |
| 2196 pp->expression = pp_c_expression; | |
| 2197 } | |
| 2198 | |
| 2199 | |
| 2200 /* Print the tree T in full, on file FILE. */ | |
| 2201 | |
| 2202 void | |
| 2203 print_c_tree (FILE *file, tree t) | |
| 2204 { | |
| 2205 static c_pretty_printer pp_rec; | |
| 2206 static bool initialized = 0; | |
| 2207 c_pretty_printer *pp = &pp_rec; | |
| 2208 | |
| 2209 if (!initialized) | |
| 2210 { | |
| 2211 initialized = 1; | |
| 2212 pp_construct (pp_base (pp), NULL, 0); | |
| 2213 pp_c_pretty_printer_init (pp); | |
| 2214 pp_needs_newline (pp) = true; | |
| 2215 } | |
| 2216 pp_base (pp)->buffer->stream = file; | |
| 2217 | |
| 2218 pp_statement (pp, t); | |
| 2219 | |
| 2220 pp_newline (pp); | |
| 2221 pp_flush (pp); | |
| 2222 } | |
| 2223 | |
| 2224 /* Print the tree T in full, on stderr. */ | |
| 2225 | |
| 2226 void | |
| 2227 debug_c_tree (tree t) | |
| 2228 { | |
| 2229 print_c_tree (stderr, t); | |
| 2230 fputc ('\n', stderr); | |
| 2231 } | |
| 2232 | |
| 2233 /* Output the DECL_NAME of T. If T has no DECL_NAME, output a string made | |
| 2234 up of T's memory address. */ | |
| 2235 | |
| 2236 void | |
| 2237 pp_c_tree_decl_identifier (c_pretty_printer *pp, tree t) | |
| 2238 { | |
| 2239 const char *name; | |
| 2240 | |
| 2241 gcc_assert (DECL_P (t)); | |
| 2242 | |
| 2243 if (DECL_NAME (t)) | |
| 2244 name = IDENTIFIER_POINTER (DECL_NAME (t)); | |
| 2245 else | |
| 2246 { | |
| 2247 static char xname[8]; | |
|
55
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update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
2248 sprintf (xname, "<U%4x>", ((unsigned)((uintptr_t)(t) & 0xffff))); |
| 0 | 2249 name = xname; |
| 2250 } | |
| 2251 | |
| 2252 pp_c_identifier (pp, name); | |
| 2253 } |