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61ccbcfd | 1 | /* Subroutines common to both C and C++ pretty-printers. |
5624e564 | 2 | Copyright (C) 2002-2015 Free Software Foundation, Inc. |
61ccbcfd GDR |
3 | Contributed by Gabriel Dos Reis <gdr@integrable-solutions.net> |
4 | ||
5 | This file is part of GCC. | |
6 | ||
7 | GCC is free software; you can redistribute it and/or modify it under | |
8 | the terms of the GNU General Public License as published by the Free | |
9dcd6f09 | 9 | Software Foundation; either version 3, or (at your option) any later |
61ccbcfd GDR |
10 | version. |
11 | ||
12 | GCC is distributed in the hope that it will be useful, but WITHOUT ANY | |
13 | WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
14 | FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
15 | for more details. | |
16 | ||
17 | You should have received a copy of the GNU General Public License | |
9dcd6f09 NC |
18 | along with GCC; see the file COPYING3. If not see |
19 | <http://www.gnu.org/licenses/>. */ | |
61ccbcfd GDR |
20 | |
21 | #include "config.h" | |
22 | #include "system.h" | |
4977bab6 ZW |
23 | #include "coretypes.h" |
24 | #include "tm.h" | |
40e23961 MC |
25 | #include "hash-set.h" |
26 | #include "machmode.h" | |
27 | #include "vec.h" | |
28 | #include "double-int.h" | |
29 | #include "input.h" | |
30 | #include "alias.h" | |
31 | #include "symtab.h" | |
32 | #include "options.h" | |
33 | #include "wide-int.h" | |
34 | #include "inchash.h" | |
40013784 | 35 | #include "tree.h" |
d8a2d370 DN |
36 | #include "stor-layout.h" |
37 | #include "attribs.h" | |
b02cec6e | 38 | #include "intl.h" |
61ccbcfd | 39 | #include "c-pretty-print.h" |
cf835838 | 40 | #include "tree-pretty-print.h" |
325c3691 | 41 | #include "tree-iterator.h" |
6de9cd9a | 42 | #include "diagnostic.h" |
807e902e | 43 | #include "wide-int-print.h" |
61ccbcfd | 44 | |
e07d4821 GDR |
45 | /* The pretty-printer code is primarily designed to closely follow |
46 | (GNU) C and C++ grammars. That is to be contrasted with spaghetti | |
47 | codes we used to have in the past. Following a structured | |
a98ebe2e KH |
48 | approach (preferably the official grammars) is believed to make it |
49 | much easier to add extensions and nifty pretty-printing effects that | |
50 | takes expression or declaration contexts into account. */ | |
e07d4821 | 51 | |
4b780675 | 52 | |
4b780675 GDR |
53 | #define pp_c_maybe_whitespace(PP) \ |
54 | do { \ | |
b066401f | 55 | if ((PP)->padding == pp_before) \ |
4b780675 GDR |
56 | pp_c_whitespace (PP); \ |
57 | } while (0) | |
58 | ||
61ccbcfd | 59 | /* literal */ |
12ea3302 | 60 | static void pp_c_char (c_pretty_printer *, int); |
61ccbcfd | 61 | |
76a8ecba | 62 | /* postfix-expression */ |
12ea3302 | 63 | static void pp_c_initializer_list (c_pretty_printer *, tree); |
53de5204 | 64 | static void pp_c_brace_enclosed_initializer_list (c_pretty_printer *, tree); |
12ea3302 | 65 | |
12ea3302 GDR |
66 | static void pp_c_additive_expression (c_pretty_printer *, tree); |
67 | static void pp_c_shift_expression (c_pretty_printer *, tree); | |
68 | static void pp_c_relational_expression (c_pretty_printer *, tree); | |
69 | static void pp_c_equality_expression (c_pretty_printer *, tree); | |
70 | static void pp_c_and_expression (c_pretty_printer *, tree); | |
71 | static void pp_c_exclusive_or_expression (c_pretty_printer *, tree); | |
72 | static void pp_c_inclusive_or_expression (c_pretty_printer *, tree); | |
73 | static void pp_c_logical_and_expression (c_pretty_printer *, tree); | |
9b32718c GDR |
74 | |
75 | /* declarations. */ | |
b6fe0bb8 | 76 | |
61ccbcfd | 77 | \f |
0ee55ad8 | 78 | /* Helper functions. */ |
12ea3302 GDR |
79 | |
80 | void | |
81 | pp_c_whitespace (c_pretty_printer *pp) | |
82 | { | |
83 | pp_space (pp); | |
b066401f | 84 | pp->padding = pp_none; |
12ea3302 GDR |
85 | } |
86 | ||
87 | void | |
88 | pp_c_left_paren (c_pretty_printer *pp) | |
89 | { | |
90 | pp_left_paren (pp); | |
b066401f | 91 | pp->padding = pp_none; |
12ea3302 GDR |
92 | } |
93 | ||
94 | void | |
95 | pp_c_right_paren (c_pretty_printer *pp) | |
96 | { | |
97 | pp_right_paren (pp); | |
b066401f | 98 | pp->padding = pp_none; |
12ea3302 GDR |
99 | } |
100 | ||
a2a9e21c GDR |
101 | void |
102 | pp_c_left_brace (c_pretty_printer *pp) | |
103 | { | |
104 | pp_left_brace (pp); | |
b066401f | 105 | pp->padding = pp_none; |
a2a9e21c GDR |
106 | } |
107 | ||
108 | void | |
109 | pp_c_right_brace (c_pretty_printer *pp) | |
110 | { | |
111 | pp_right_brace (pp); | |
b066401f | 112 | pp->padding = pp_none; |
a2a9e21c GDR |
113 | } |
114 | ||
41fd3bac GDR |
115 | void |
116 | pp_c_left_bracket (c_pretty_printer *pp) | |
117 | { | |
118 | pp_left_bracket (pp); | |
b066401f | 119 | pp->padding = pp_none; |
41fd3bac GDR |
120 | } |
121 | ||
122 | void | |
123 | pp_c_right_bracket (c_pretty_printer *pp) | |
124 | { | |
125 | pp_right_bracket (pp); | |
b066401f | 126 | pp->padding = pp_none; |
41fd3bac GDR |
127 | } |
128 | ||
12ea3302 GDR |
129 | void |
130 | pp_c_dot (c_pretty_printer *pp) | |
131 | { | |
132 | pp_dot (pp); | |
b066401f | 133 | pp->padding = pp_none; |
12ea3302 GDR |
134 | } |
135 | ||
136 | void | |
137 | pp_c_ampersand (c_pretty_printer *pp) | |
138 | { | |
139 | pp_ampersand (pp); | |
b066401f | 140 | pp->padding = pp_none; |
12ea3302 GDR |
141 | } |
142 | ||
41fd3bac GDR |
143 | void |
144 | pp_c_star (c_pretty_printer *pp) | |
145 | { | |
146 | pp_star (pp); | |
b066401f | 147 | pp->padding = pp_none; |
41fd3bac GDR |
148 | } |
149 | ||
12ea3302 GDR |
150 | void |
151 | pp_c_arrow (c_pretty_printer *pp) | |
152 | { | |
153 | pp_arrow (pp); | |
b066401f | 154 | pp->padding = pp_none; |
12ea3302 GDR |
155 | } |
156 | ||
157 | void | |
5c3c69f4 | 158 | pp_c_semicolon (c_pretty_printer *pp) |
12ea3302 GDR |
159 | { |
160 | pp_semicolon (pp); | |
b066401f | 161 | pp->padding = pp_none; |
12ea3302 | 162 | } |
61ccbcfd | 163 | |
41fd3bac GDR |
164 | void |
165 | pp_c_complement (c_pretty_printer *pp) | |
166 | { | |
167 | pp_complement (pp); | |
b066401f | 168 | pp->padding = pp_none; |
41fd3bac GDR |
169 | } |
170 | ||
171 | void | |
172 | pp_c_exclamation (c_pretty_printer *pp) | |
173 | { | |
174 | pp_exclamation (pp); | |
b066401f | 175 | pp->padding = pp_none; |
41fd3bac GDR |
176 | } |
177 | ||
49706e39 | 178 | /* Print out the external representation of QUALIFIERS. */ |
5c3c69f4 | 179 | |
49706e39 MLI |
180 | void |
181 | pp_c_cv_qualifiers (c_pretty_printer *pp, int qualifiers, bool func_type) | |
4b780675 GDR |
182 | { |
183 | const char *p = pp_last_position_in_text (pp); | |
49706e39 MLI |
184 | bool previous = false; |
185 | ||
186 | if (!qualifiers) | |
187 | return; | |
188 | ||
5c3c69f4 GDR |
189 | /* The C programming language does not have references, but it is much |
190 | simpler to handle those here rather than going through the same | |
191 | logic in the C++ pretty-printer. */ | |
192 | if (p != NULL && (*p == '*' || *p == '&')) | |
4b780675 | 193 | pp_c_whitespace (pp); |
49706e39 | 194 | |
267bac10 JM |
195 | if (qualifiers & TYPE_QUAL_ATOMIC) |
196 | { | |
197 | pp_c_ws_string (pp, "_Atomic"); | |
198 | previous = true; | |
199 | } | |
200 | ||
49706e39 MLI |
201 | if (qualifiers & TYPE_QUAL_CONST) |
202 | { | |
267bac10 JM |
203 | if (previous) |
204 | pp_c_whitespace (pp); | |
49706e39 MLI |
205 | pp_c_ws_string (pp, func_type ? "__attribute__((const))" : "const"); |
206 | previous = true; | |
207 | } | |
208 | ||
209 | if (qualifiers & TYPE_QUAL_VOLATILE) | |
210 | { | |
211 | if (previous) | |
212 | pp_c_whitespace (pp); | |
213 | pp_c_ws_string (pp, func_type ? "__attribute__((noreturn))" : "volatile"); | |
214 | previous = true; | |
215 | } | |
216 | ||
217 | if (qualifiers & TYPE_QUAL_RESTRICT) | |
218 | { | |
219 | if (previous) | |
220 | pp_c_whitespace (pp); | |
fcb21722 JM |
221 | pp_c_ws_string (pp, (flag_isoc99 && !c_dialect_cxx () |
222 | ? "restrict" : "__restrict__")); | |
49706e39 | 223 | } |
4b780675 GDR |
224 | } |
225 | ||
12ea3302 | 226 | /* Pretty-print T using the type-cast notation '( type-name )'. */ |
53de5204 | 227 | |
965514bd | 228 | static void |
12ea3302 GDR |
229 | pp_c_type_cast (c_pretty_printer *pp, tree t) |
230 | { | |
231 | pp_c_left_paren (pp); | |
20059c8b | 232 | pp->type_id (t); |
12ea3302 GDR |
233 | pp_c_right_paren (pp); |
234 | } | |
235 | ||
5c3c69f4 GDR |
236 | /* We're about to pretty-print a pointer type as indicated by T. |
237 | Output a whitespace, if needed, preparing for subsequent output. */ | |
238 | ||
12ea3302 GDR |
239 | void |
240 | pp_c_space_for_pointer_operator (c_pretty_printer *pp, tree t) | |
241 | { | |
242 | if (POINTER_TYPE_P (t)) | |
243 | { | |
244 | tree pointee = strip_pointer_operator (TREE_TYPE (t)); | |
245 | if (TREE_CODE (pointee) != ARRAY_TYPE | |
c22cacf3 MS |
246 | && TREE_CODE (pointee) != FUNCTION_TYPE) |
247 | pp_c_whitespace (pp); | |
12ea3302 GDR |
248 | } |
249 | } | |
250 | ||
251 | \f | |
252 | /* Declarations. */ | |
253 | ||
4b780675 GDR |
254 | /* C++ cv-qualifiers are called type-qualifiers in C. Print out the |
255 | cv-qualifiers of T. If T is a declaration then it is the cv-qualifier | |
256 | of its type. Take care of possible extensions. | |
12ea3302 GDR |
257 | |
258 | type-qualifier-list: | |
259 | type-qualifier | |
260 | type-qualifier-list type-qualifier | |
261 | ||
262 | type-qualifier: | |
4b780675 | 263 | const |
12ea3302 GDR |
264 | restrict -- C99 |
265 | __restrict__ -- GNU C | |
36c5e70a BE |
266 | address-space-qualifier -- GNU C |
267 | volatile | |
267bac10 | 268 | _Atomic -- C11 |
36c5e70a BE |
269 | |
270 | address-space-qualifier: | |
271 | identifier -- GNU C */ | |
53de5204 | 272 | |
61ccbcfd | 273 | void |
12ea3302 | 274 | pp_c_type_qualifier_list (c_pretty_printer *pp, tree t) |
61ccbcfd | 275 | { |
7b3e2d46 DG |
276 | int qualifiers; |
277 | ||
278 | if (!t || t == error_mark_node) | |
279 | return; | |
9f63daea | 280 | |
4b780675 GDR |
281 | if (!TYPE_P (t)) |
282 | t = TREE_TYPE (t); | |
283 | ||
284 | qualifiers = TYPE_QUALS (t); | |
49706e39 MLI |
285 | pp_c_cv_qualifiers (pp, qualifiers, |
286 | TREE_CODE (t) == FUNCTION_TYPE); | |
36c5e70a BE |
287 | |
288 | if (!ADDR_SPACE_GENERIC_P (TYPE_ADDR_SPACE (t))) | |
289 | { | |
290 | const char *as = c_addr_space_name (TYPE_ADDR_SPACE (t)); | |
291 | pp_c_identifier (pp, as); | |
292 | } | |
4b780675 GDR |
293 | } |
294 | ||
295 | /* pointer: | |
296 | * type-qualifier-list(opt) | |
297 | * type-qualifier-list(opt) pointer */ | |
53de5204 | 298 | |
4b780675 | 299 | static void |
12ea3302 | 300 | pp_c_pointer (c_pretty_printer *pp, tree t) |
4b780675 GDR |
301 | { |
302 | if (!TYPE_P (t) && TREE_CODE (t) != TYPE_DECL) | |
303 | t = TREE_TYPE (t); | |
304 | switch (TREE_CODE (t)) | |
305 | { | |
306 | case POINTER_TYPE: | |
0ee55ad8 | 307 | /* It is easier to handle C++ reference types here. */ |
12ea3302 | 308 | case REFERENCE_TYPE: |
4b780675 | 309 | if (TREE_CODE (TREE_TYPE (t)) == POINTER_TYPE) |
c22cacf3 | 310 | pp_c_pointer (pp, TREE_TYPE (t)); |
12ea3302 | 311 | if (TREE_CODE (t) == POINTER_TYPE) |
c22cacf3 | 312 | pp_c_star (pp); |
12ea3302 | 313 | else |
c22cacf3 | 314 | pp_c_ampersand (pp); |
4b780675 GDR |
315 | pp_c_type_qualifier_list (pp, t); |
316 | break; | |
317 | ||
350fae66 RK |
318 | /* ??? This node is now in GENERIC and so shouldn't be here. But |
319 | we'll fix that later. */ | |
320 | case DECL_EXPR: | |
20059c8b | 321 | pp->declaration (DECL_EXPR_DECL (t)); |
350fae66 RK |
322 | pp_needs_newline (pp) = true; |
323 | break; | |
324 | ||
4b780675 GDR |
325 | default: |
326 | pp_unsupported_tree (pp, t); | |
327 | } | |
61ccbcfd GDR |
328 | } |
329 | ||
7c26172c GDR |
330 | /* simple-type-specifier: |
331 | type-specifier | |
332 | ||
333 | type-specifier: | |
12ea3302 GDR |
334 | void |
335 | char | |
336 | short | |
337 | int | |
338 | long | |
339 | float | |
340 | double | |
341 | signed | |
342 | unsigned | |
343 | _Bool -- C99 | |
344 | _Complex -- C99 | |
345 | _Imaginary -- C99 | |
346 | struct-or-union-specifier | |
347 | enum-specifier | |
348 | typedef-name. | |
e07d4821 GDR |
349 | |
350 | GNU extensions. | |
351 | simple-type-specifier: | |
352 | __complex__ | |
353 | __vector__ */ | |
53de5204 | 354 | |
12ea3302 | 355 | void |
7c26172c | 356 | c_pretty_printer::simple_type_specifier (tree t) |
9b32718c | 357 | { |
12ea3302 | 358 | const enum tree_code code = TREE_CODE (t); |
9b32718c GDR |
359 | switch (code) |
360 | { | |
361 | case ERROR_MARK: | |
7c26172c | 362 | translate_string ("<type-error>"); |
9b32718c | 363 | break; |
9b32718c GDR |
364 | |
365 | case IDENTIFIER_NODE: | |
7c26172c | 366 | pp_c_identifier (this, IDENTIFIER_POINTER (t)); |
9b32718c | 367 | break; |
2f6e4e97 | 368 | |
9b32718c GDR |
369 | case VOID_TYPE: |
370 | case BOOLEAN_TYPE: | |
f076f0ce | 371 | case INTEGER_TYPE: |
9b32718c | 372 | case REAL_TYPE: |
325217ed | 373 | case FIXED_POINT_TYPE: |
53de5204 | 374 | if (TYPE_NAME (t)) |
0b359b01 JM |
375 | { |
376 | t = TYPE_NAME (t); | |
7c26172c | 377 | simple_type_specifier (t); |
0b359b01 | 378 | } |
53de5204 | 379 | else |
0b359b01 JM |
380 | { |
381 | int prec = TYPE_PRECISION (t); | |
325217ed CF |
382 | if (ALL_FIXED_POINT_MODE_P (TYPE_MODE (t))) |
383 | t = c_common_type_for_mode (TYPE_MODE (t), TYPE_SATURATING (t)); | |
384 | else | |
385 | t = c_common_type_for_mode (TYPE_MODE (t), TYPE_UNSIGNED (t)); | |
a92c58c2 JM |
386 | if (TYPE_NAME (t)) |
387 | { | |
7c26172c | 388 | simple_type_specifier (t); |
a92c58c2 JM |
389 | if (TYPE_PRECISION (t) != prec) |
390 | { | |
7c26172c GDR |
391 | pp_colon (this); |
392 | pp_decimal_int (this, prec); | |
a92c58c2 JM |
393 | } |
394 | } | |
395 | else | |
0b359b01 | 396 | { |
a92c58c2 JM |
397 | switch (code) |
398 | { | |
399 | case INTEGER_TYPE: | |
7c26172c GDR |
400 | translate_string (TYPE_UNSIGNED (t) |
401 | ? "<unnamed-unsigned:" | |
402 | : "<unnamed-signed:"); | |
a92c58c2 JM |
403 | break; |
404 | case REAL_TYPE: | |
7c26172c | 405 | translate_string ("<unnamed-float:"); |
a92c58c2 | 406 | break; |
325217ed | 407 | case FIXED_POINT_TYPE: |
7c26172c | 408 | translate_string ("<unnamed-fixed:"); |
325217ed | 409 | break; |
a92c58c2 JM |
410 | default: |
411 | gcc_unreachable (); | |
412 | } | |
7c26172c GDR |
413 | pp_decimal_int (this, prec); |
414 | pp_greater (this); | |
0b359b01 JM |
415 | } |
416 | } | |
9b32718c GDR |
417 | break; |
418 | ||
419 | case TYPE_DECL: | |
f076f0ce | 420 | if (DECL_NAME (t)) |
7c26172c | 421 | id_expression (t); |
f076f0ce | 422 | else |
7c26172c | 423 | translate_string ("<typedef-error>"); |
9b32718c GDR |
424 | break; |
425 | ||
426 | case UNION_TYPE: | |
427 | case RECORD_TYPE: | |
428 | case ENUMERAL_TYPE: | |
90f3520e MP |
429 | if (TYPE_NAME (t) && TREE_CODE (TYPE_NAME (t)) == TYPE_DECL) |
430 | /* Don't decorate the type if this is a typedef name. */; | |
431 | else if (code == UNION_TYPE) | |
7c26172c | 432 | pp_c_ws_string (this, "union"); |
9b32718c | 433 | else if (code == RECORD_TYPE) |
7c26172c | 434 | pp_c_ws_string (this, "struct"); |
9b32718c | 435 | else if (code == ENUMERAL_TYPE) |
7c26172c | 436 | pp_c_ws_string (this, "enum"); |
f076f0ce | 437 | else |
7c26172c | 438 | translate_string ("<tag-error>"); |
2f6e4e97 | 439 | |
9b32718c | 440 | if (TYPE_NAME (t)) |
7c26172c | 441 | id_expression (TYPE_NAME (t)); |
9b32718c | 442 | else |
7c26172c | 443 | translate_string ("<anonymous>"); |
4b780675 GDR |
444 | break; |
445 | ||
9b32718c | 446 | default: |
7c26172c | 447 | pp_unsupported_tree (this, t); |
4b780675 | 448 | break; |
9b32718c GDR |
449 | } |
450 | } | |
451 | ||
e07d4821 GDR |
452 | /* specifier-qualifier-list: |
453 | type-specifier specifier-qualifier-list-opt | |
12ea3302 | 454 | type-qualifier specifier-qualifier-list-opt |
4b780675 GDR |
455 | |
456 | ||
457 | Implementation note: Because of the non-linearities in array or | |
a98ebe2e | 458 | function declarations, this routine prints not just the |
4b780675 GDR |
459 | specifier-qualifier-list of such entities or types of such entities, |
460 | but also the 'pointer' production part of their declarators. The | |
20059c8b | 461 | remaining part is done by declarator() or abstract_declarator(). */ |
53de5204 | 462 | |
4b780675 | 463 | void |
12ea3302 | 464 | pp_c_specifier_qualifier_list (c_pretty_printer *pp, tree t) |
9b32718c | 465 | { |
12ea3302 GDR |
466 | const enum tree_code code = TREE_CODE (t); |
467 | ||
7496cd5b | 468 | if (!(pp->flags & pp_c_flag_gnu_v3) && code != POINTER_TYPE) |
4b780675 | 469 | pp_c_type_qualifier_list (pp, t); |
12ea3302 | 470 | switch (code) |
4b780675 | 471 | { |
12ea3302 | 472 | case REFERENCE_TYPE: |
4b780675 GDR |
473 | case POINTER_TYPE: |
474 | { | |
c22cacf3 MS |
475 | /* Get the types-specifier of this type. */ |
476 | tree pointee = strip_pointer_operator (TREE_TYPE (t)); | |
477 | pp_c_specifier_qualifier_list (pp, pointee); | |
478 | if (TREE_CODE (pointee) == ARRAY_TYPE | |
479 | || TREE_CODE (pointee) == FUNCTION_TYPE) | |
480 | { | |
481 | pp_c_whitespace (pp); | |
482 | pp_c_left_paren (pp); | |
5050afdf | 483 | pp_c_attributes_display (pp, TYPE_ATTRIBUTES (pointee)); |
c22cacf3 | 484 | } |
ede1a387 JM |
485 | else if (!c_dialect_cxx ()) |
486 | pp_c_whitespace (pp); | |
c22cacf3 | 487 | pp_ptr_operator (pp, t); |
4b780675 GDR |
488 | } |
489 | break; | |
490 | ||
491 | case FUNCTION_TYPE: | |
492 | case ARRAY_TYPE: | |
493 | pp_c_specifier_qualifier_list (pp, TREE_TYPE (t)); | |
494 | break; | |
495 | ||
496 | case VECTOR_TYPE: | |
497 | case COMPLEX_TYPE: | |
12ea3302 | 498 | if (code == COMPLEX_TYPE) |
fcb21722 JM |
499 | pp_c_ws_string (pp, (flag_isoc99 && !c_dialect_cxx () |
500 | ? "_Complex" : "__complex__")); | |
12ea3302 | 501 | else if (code == VECTOR_TYPE) |
7428bc26 JM |
502 | { |
503 | pp_c_ws_string (pp, "__vector"); | |
ce30e6fd | 504 | pp_c_left_paren (pp); |
7428bc26 | 505 | pp_wide_integer (pp, TYPE_VECTOR_SUBPARTS (t)); |
ce30e6fd JM |
506 | pp_c_right_paren (pp); |
507 | pp_c_whitespace (pp); | |
7428bc26 | 508 | } |
ce30e6fd | 509 | pp_c_specifier_qualifier_list (pp, TREE_TYPE (t)); |
4b780675 GDR |
510 | break; |
511 | ||
512 | default: | |
7c26172c | 513 | pp->simple_type_specifier (t); |
4b780675 GDR |
514 | break; |
515 | } | |
7496cd5b SA |
516 | if ((pp->flags & pp_c_flag_gnu_v3) && code != POINTER_TYPE) |
517 | pp_c_type_qualifier_list (pp, t); | |
9b32718c GDR |
518 | } |
519 | ||
4b780675 GDR |
520 | /* parameter-type-list: |
521 | parameter-list | |
522 | parameter-list , ... | |
523 | ||
524 | parameter-list: | |
525 | parameter-declaration | |
526 | parameter-list , parameter-declaration | |
527 | ||
528 | parameter-declaration: | |
529 | declaration-specifiers declarator | |
530 | declaration-specifiers abstract-declarator(opt) */ | |
53de5204 | 531 | |
12ea3302 GDR |
532 | void |
533 | pp_c_parameter_type_list (c_pretty_printer *pp, tree t) | |
9b32718c | 534 | { |
12ea3302 GDR |
535 | bool want_parm_decl = DECL_P (t) && !(pp->flags & pp_c_flag_abstract); |
536 | tree parms = want_parm_decl ? DECL_ARGUMENTS (t) : TYPE_ARG_TYPES (t); | |
4b780675 | 537 | pp_c_left_paren (pp); |
12ea3302 | 538 | if (parms == void_list_node) |
b02cec6e | 539 | pp_c_ws_string (pp, "void"); |
4b780675 GDR |
540 | else |
541 | { | |
542 | bool first = true; | |
12ea3302 | 543 | for ( ; parms && parms != void_list_node; parms = TREE_CHAIN (parms)) |
c22cacf3 MS |
544 | { |
545 | if (!first) | |
546 | pp_separate_with (pp, ','); | |
547 | first = false; | |
20059c8b GDR |
548 | pp->declaration_specifiers |
549 | (want_parm_decl ? parms : TREE_VALUE (parms)); | |
c22cacf3 | 550 | if (want_parm_decl) |
20059c8b | 551 | pp->declarator (parms); |
c22cacf3 | 552 | else |
20059c8b | 553 | pp->abstract_declarator (TREE_VALUE (parms)); |
c22cacf3 | 554 | } |
4b780675 GDR |
555 | } |
556 | pp_c_right_paren (pp); | |
9b32718c GDR |
557 | } |
558 | ||
4b780675 GDR |
559 | /* abstract-declarator: |
560 | pointer | |
561 | pointer(opt) direct-abstract-declarator */ | |
53de5204 | 562 | |
8f0e4d72 GDR |
563 | void |
564 | c_pretty_printer::abstract_declarator (tree t) | |
4b780675 GDR |
565 | { |
566 | if (TREE_CODE (t) == POINTER_TYPE) | |
567 | { | |
568 | if (TREE_CODE (TREE_TYPE (t)) == ARRAY_TYPE | |
c22cacf3 | 569 | || TREE_CODE (TREE_TYPE (t)) == FUNCTION_TYPE) |
8f0e4d72 | 570 | pp_c_right_paren (this); |
4b780675 GDR |
571 | t = TREE_TYPE (t); |
572 | } | |
573 | ||
8f0e4d72 | 574 | direct_abstract_declarator (t); |
4b780675 GDR |
575 | } |
576 | ||
577 | /* direct-abstract-declarator: | |
578 | ( abstract-declarator ) | |
579 | direct-abstract-declarator(opt) [ assignment-expression(opt) ] | |
580 | direct-abstract-declarator(opt) [ * ] | |
581 | direct-abstract-declarator(opt) ( parameter-type-list(opt) ) */ | |
53de5204 | 582 | |
12ea3302 | 583 | void |
8f0e4d72 | 584 | c_pretty_printer::direct_abstract_declarator (tree t) |
4b780675 GDR |
585 | { |
586 | switch (TREE_CODE (t)) | |
587 | { | |
588 | case POINTER_TYPE: | |
8f0e4d72 | 589 | abstract_declarator (t); |
4b780675 | 590 | break; |
9f63daea | 591 | |
4b780675 | 592 | case FUNCTION_TYPE: |
8f0e4d72 GDR |
593 | pp_c_parameter_type_list (this, t); |
594 | direct_abstract_declarator (TREE_TYPE (t)); | |
4b780675 GDR |
595 | break; |
596 | ||
597 | case ARRAY_TYPE: | |
8f0e4d72 | 598 | pp_c_left_bracket (this); |
ede1a387 | 599 | if (TYPE_DOMAIN (t) && TYPE_MAX_VALUE (TYPE_DOMAIN (t))) |
455f78d9 JJ |
600 | { |
601 | tree maxval = TYPE_MAX_VALUE (TYPE_DOMAIN (t)); | |
602 | tree type = TREE_TYPE (maxval); | |
603 | ||
9541ffee | 604 | if (tree_fits_shwi_p (maxval)) |
9439e9a1 | 605 | pp_wide_integer (this, tree_to_shwi (maxval) + 1); |
455f78d9 | 606 | else |
20059c8b GDR |
607 | expression (fold_build2 (PLUS_EXPR, type, maxval, |
608 | build_int_cst (type, 1))); | |
455f78d9 | 609 | } |
8f0e4d72 GDR |
610 | pp_c_right_bracket (this); |
611 | direct_abstract_declarator (TREE_TYPE (t)); | |
4b780675 GDR |
612 | break; |
613 | ||
614 | case IDENTIFIER_NODE: | |
615 | case VOID_TYPE: | |
616 | case BOOLEAN_TYPE: | |
617 | case INTEGER_TYPE: | |
618 | case REAL_TYPE: | |
325217ed | 619 | case FIXED_POINT_TYPE: |
4b780675 GDR |
620 | case ENUMERAL_TYPE: |
621 | case RECORD_TYPE: | |
622 | case UNION_TYPE: | |
623 | case VECTOR_TYPE: | |
624 | case COMPLEX_TYPE: | |
625 | case TYPE_DECL: | |
626 | break; | |
9f63daea | 627 | |
4b780675 | 628 | default: |
8f0e4d72 | 629 | pp_unsupported_tree (this, t); |
4b780675 GDR |
630 | break; |
631 | } | |
632 | } | |
633 | ||
12ea3302 GDR |
634 | /* type-name: |
635 | specifier-qualifier-list abstract-declarator(opt) */ | |
53de5204 | 636 | |
4b780675 | 637 | void |
20059c8b | 638 | c_pretty_printer::type_id (tree t) |
9b32718c | 639 | { |
20059c8b GDR |
640 | pp_c_specifier_qualifier_list (this, t); |
641 | abstract_declarator (t); | |
9b32718c GDR |
642 | } |
643 | ||
12ea3302 GDR |
644 | /* storage-class-specifier: |
645 | typedef | |
646 | extern | |
647 | static | |
648 | auto | |
649 | register */ | |
53de5204 | 650 | |
12ea3302 | 651 | void |
20059c8b | 652 | c_pretty_printer::storage_class_specifier (tree t) |
f076f0ce GDR |
653 | { |
654 | if (TREE_CODE (t) == TYPE_DECL) | |
20059c8b | 655 | pp_c_ws_string (this, "typedef"); |
4b780675 GDR |
656 | else if (DECL_P (t)) |
657 | { | |
658 | if (DECL_REGISTER (t)) | |
20059c8b | 659 | pp_c_ws_string (this, "register"); |
4b780675 | 660 | else if (TREE_STATIC (t) && TREE_CODE (t) == VAR_DECL) |
20059c8b | 661 | pp_c_ws_string (this, "static"); |
4b780675 | 662 | } |
f076f0ce GDR |
663 | } |
664 | ||
12ea3302 GDR |
665 | /* function-specifier: |
666 | inline */ | |
53de5204 | 667 | |
12ea3302 | 668 | void |
8f0e4d72 | 669 | c_pretty_printer::function_specifier (tree t) |
f076f0ce GDR |
670 | { |
671 | if (TREE_CODE (t) == FUNCTION_DECL && DECL_DECLARED_INLINE_P (t)) | |
8f0e4d72 | 672 | pp_c_ws_string (this, "inline"); |
f076f0ce GDR |
673 | } |
674 | ||
4b780675 GDR |
675 | /* declaration-specifiers: |
676 | storage-class-specifier declaration-specifiers(opt) | |
677 | type-specifier declaration-specifiers(opt) | |
678 | type-qualifier declaration-specifiers(opt) | |
679 | function-specifier declaration-specifiers(opt) */ | |
53de5204 | 680 | |
12ea3302 | 681 | void |
8f0e4d72 | 682 | c_pretty_printer::declaration_specifiers (tree t) |
f076f0ce | 683 | { |
20059c8b GDR |
684 | storage_class_specifier (t); |
685 | function_specifier (t); | |
8f0e4d72 | 686 | pp_c_specifier_qualifier_list (this, DECL_P (t) ? TREE_TYPE (t) : t); |
f076f0ce GDR |
687 | } |
688 | ||
4b780675 GDR |
689 | /* direct-declarator |
690 | identifier | |
691 | ( declarator ) | |
692 | direct-declarator [ type-qualifier-list(opt) assignment-expression(opt) ] | |
693 | direct-declarator [ static type-qualifier-list(opt) assignment-expression(opt)] | |
2067c116 | 694 | direct-declarator [ type-qualifier-list static assignment-expression ] |
4b780675 | 695 | direct-declarator [ type-qualifier-list * ] |
a457ee07 | 696 | direct-declarator ( parameter-type-list ) |
4b780675 | 697 | direct-declarator ( identifier-list(opt) ) */ |
53de5204 | 698 | |
4b780675 | 699 | void |
8f0e4d72 | 700 | c_pretty_printer::direct_declarator (tree t) |
f076f0ce | 701 | { |
4b780675 GDR |
702 | switch (TREE_CODE (t)) |
703 | { | |
704 | case VAR_DECL: | |
705 | case PARM_DECL: | |
706 | case TYPE_DECL: | |
707 | case FIELD_DECL: | |
708 | case LABEL_DECL: | |
8f0e4d72 GDR |
709 | pp_c_space_for_pointer_operator (this, TREE_TYPE (t)); |
710 | pp_c_tree_decl_identifier (this, t); | |
6de9cd9a DN |
711 | break; |
712 | ||
4b780675 GDR |
713 | case ARRAY_TYPE: |
714 | case POINTER_TYPE: | |
8f0e4d72 | 715 | abstract_declarator (TREE_TYPE (t)); |
4b780675 GDR |
716 | break; |
717 | ||
718 | case FUNCTION_TYPE: | |
8f0e4d72 GDR |
719 | pp_parameter_list (this, t); |
720 | abstract_declarator (TREE_TYPE (t)); | |
4b780675 GDR |
721 | break; |
722 | ||
723 | case FUNCTION_DECL: | |
8f0e4d72 GDR |
724 | pp_c_space_for_pointer_operator (this, TREE_TYPE (TREE_TYPE (t))); |
725 | pp_c_tree_decl_identifier (this, t); | |
726 | if (flags & pp_c_flag_abstract) | |
727 | abstract_declarator (TREE_TYPE (t)); | |
4b780675 | 728 | else |
c22cacf3 | 729 | { |
8f0e4d72 GDR |
730 | pp_parameter_list (this, t); |
731 | abstract_declarator (TREE_TYPE (TREE_TYPE (t))); | |
c22cacf3 | 732 | } |
4b780675 GDR |
733 | break; |
734 | ||
735 | case INTEGER_TYPE: | |
736 | case REAL_TYPE: | |
325217ed | 737 | case FIXED_POINT_TYPE: |
4b780675 GDR |
738 | case ENUMERAL_TYPE: |
739 | case UNION_TYPE: | |
740 | case RECORD_TYPE: | |
741 | break; | |
742 | ||
743 | default: | |
8f0e4d72 | 744 | pp_unsupported_tree (this, t); |
4b780675 GDR |
745 | break; |
746 | } | |
f076f0ce GDR |
747 | } |
748 | ||
4b780675 GDR |
749 | |
750 | /* declarator: | |
751 | pointer(opt) direct-declarator */ | |
53de5204 | 752 | |
4b780675 | 753 | void |
8f0e4d72 | 754 | c_pretty_printer::declarator (tree t) |
f076f0ce | 755 | { |
4b780675 GDR |
756 | switch (TREE_CODE (t)) |
757 | { | |
758 | case INTEGER_TYPE: | |
759 | case REAL_TYPE: | |
325217ed | 760 | case FIXED_POINT_TYPE: |
4b780675 GDR |
761 | case ENUMERAL_TYPE: |
762 | case UNION_TYPE: | |
763 | case RECORD_TYPE: | |
764 | break; | |
765 | ||
766 | case VAR_DECL: | |
767 | case PARM_DECL: | |
768 | case FIELD_DECL: | |
769 | case ARRAY_TYPE: | |
770 | case FUNCTION_TYPE: | |
771 | case FUNCTION_DECL: | |
772 | case TYPE_DECL: | |
20059c8b | 773 | direct_declarator (t); |
4b780675 GDR |
774 | break; |
775 | ||
9f63daea | 776 | |
4b780675 | 777 | default: |
8f0e4d72 | 778 | pp_unsupported_tree (this, t); |
4b780675 GDR |
779 | break; |
780 | } | |
f076f0ce GDR |
781 | } |
782 | ||
4b780675 GDR |
783 | /* declaration: |
784 | declaration-specifiers init-declarator-list(opt) ; */ | |
53de5204 | 785 | |
f076f0ce | 786 | void |
8f0e4d72 | 787 | c_pretty_printer::declaration (tree t) |
f076f0ce | 788 | { |
8f0e4d72 GDR |
789 | declaration_specifiers (t); |
790 | pp_c_init_declarator (this, t); | |
f076f0ce GDR |
791 | } |
792 | ||
6bf346d4 | 793 | /* Pretty-print ATTRIBUTES using GNU C extension syntax. */ |
53de5204 | 794 | |
2f6e4e97 | 795 | void |
12ea3302 | 796 | pp_c_attributes (c_pretty_printer *pp, tree attributes) |
6bf346d4 GDR |
797 | { |
798 | if (attributes == NULL_TREE) | |
799 | return; | |
2f6e4e97 | 800 | |
b02cec6e | 801 | pp_c_ws_string (pp, "__attribute__"); |
2f6e4e97 | 802 | pp_c_left_paren (pp); |
6bf346d4 GDR |
803 | pp_c_left_paren (pp); |
804 | for (; attributes != NULL_TREE; attributes = TREE_CHAIN (attributes)) | |
805 | { | |
806 | pp_tree_identifier (pp, TREE_PURPOSE (attributes)); | |
807 | if (TREE_VALUE (attributes)) | |
c22cacf3 | 808 | pp_c_call_argument_list (pp, TREE_VALUE (attributes)); |
2f6e4e97 | 809 | |
6bf346d4 GDR |
810 | if (TREE_CHAIN (attributes)) |
811 | pp_separate_with (pp, ','); | |
812 | } | |
813 | pp_c_right_paren (pp); | |
814 | pp_c_right_paren (pp); | |
815 | } | |
816 | ||
5050afdf KT |
817 | /* Pretty-print ATTRIBUTES using GNU C extension syntax for attributes |
818 | marked to be displayed on disgnostic. */ | |
819 | ||
820 | void | |
821 | pp_c_attributes_display (c_pretty_printer *pp, tree a) | |
822 | { | |
823 | bool is_first = true; | |
824 | ||
825 | if (a == NULL_TREE) | |
826 | return; | |
827 | ||
828 | for (; a != NULL_TREE; a = TREE_CHAIN (a)) | |
829 | { | |
830 | const struct attribute_spec *as; | |
831 | as = lookup_attribute_spec (TREE_PURPOSE (a)); | |
832 | if (!as || as->affects_type_identity == false) | |
833 | continue; | |
834 | if (is_first) | |
835 | { | |
836 | pp_c_ws_string (pp, "__attribute__"); | |
837 | pp_c_left_paren (pp); | |
838 | pp_c_left_paren (pp); | |
839 | is_first = false; | |
840 | } | |
841 | else | |
842 | { | |
843 | pp_separate_with (pp, ','); | |
844 | } | |
845 | pp_tree_identifier (pp, TREE_PURPOSE (a)); | |
846 | if (TREE_VALUE (a)) | |
847 | pp_c_call_argument_list (pp, TREE_VALUE (a)); | |
848 | } | |
849 | ||
850 | if (!is_first) | |
851 | { | |
852 | pp_c_right_paren (pp); | |
853 | pp_c_right_paren (pp); | |
854 | pp_c_whitespace (pp); | |
855 | } | |
856 | } | |
857 | ||
4b780675 GDR |
858 | /* function-definition: |
859 | declaration-specifiers declarator compound-statement */ | |
53de5204 | 860 | |
4b780675 | 861 | void |
12ea3302 | 862 | pp_c_function_definition (c_pretty_printer *pp, tree t) |
4b780675 | 863 | { |
20059c8b GDR |
864 | pp->declaration_specifiers (t); |
865 | pp->declarator (t); | |
4b780675 | 866 | pp_needs_newline (pp) = true; |
8dc70667 | 867 | pp->statement (DECL_SAVED_TREE (t)); |
f8923f7e | 868 | pp_newline_and_flush (pp); |
4b780675 GDR |
869 | } |
870 | ||
61ccbcfd GDR |
871 | \f |
872 | /* Expressions. */ | |
873 | ||
c5ff069d ZW |
874 | /* Print out a c-char. This is called solely for characters which are |
875 | in the *target* execution character set. We ought to convert them | |
876 | back to the *host* execution character set before printing, but we | |
877 | have no way to do this at present. A decent compromise is to print | |
878 | all characters as if they were in the host execution character set, | |
879 | and not attempt to recover any named escape characters, but render | |
880 | all unprintables as octal escapes. If the host and target character | |
881 | sets are the same, this produces relatively readable output. If they | |
882 | are not the same, strings may appear as gibberish, but that's okay | |
883 | (in fact, it may well be what the reader wants, e.g. if they are looking | |
884 | to see if conversion to the target character set happened correctly). | |
885 | ||
886 | A special case: we need to prefix \, ", and ' with backslashes. It is | |
887 | correct to do so for the *host*'s \, ", and ', because the rest of the | |
888 | file appears in the host character set. */ | |
53de5204 | 889 | |
61ccbcfd | 890 | static void |
12ea3302 | 891 | pp_c_char (c_pretty_printer *pp, int c) |
61ccbcfd | 892 | { |
c5ff069d | 893 | if (ISPRINT (c)) |
61ccbcfd | 894 | { |
c5ff069d ZW |
895 | switch (c) |
896 | { | |
897 | case '\\': pp_string (pp, "\\\\"); break; | |
898 | case '\'': pp_string (pp, "\\\'"); break; | |
899 | case '\"': pp_string (pp, "\\\""); break; | |
900 | default: pp_character (pp, c); | |
901 | } | |
61ccbcfd | 902 | } |
c5ff069d ZW |
903 | else |
904 | pp_scalar (pp, "\\%03o", (unsigned) c); | |
61ccbcfd GDR |
905 | } |
906 | ||
907 | /* Print out a STRING literal. */ | |
53de5204 | 908 | |
e1a4dd13 | 909 | void |
12ea3302 | 910 | pp_c_string_literal (c_pretty_printer *pp, tree s) |
61ccbcfd GDR |
911 | { |
912 | const char *p = TREE_STRING_POINTER (s); | |
913 | int n = TREE_STRING_LENGTH (s) - 1; | |
914 | int i; | |
12ea3302 | 915 | pp_doublequote (pp); |
61ccbcfd | 916 | for (i = 0; i < n; ++i) |
12ea3302 GDR |
917 | pp_c_char (pp, p[i]); |
918 | pp_doublequote (pp); | |
61ccbcfd GDR |
919 | } |
920 | ||
632f2871 RS |
921 | /* Pretty-print a VOID_CST (void_node). */ |
922 | ||
923 | static void | |
924 | pp_c_void_constant (c_pretty_printer *pp) | |
925 | { | |
926 | pp_c_type_cast (pp, void_type_node); | |
927 | pp_string (pp, "0"); | |
928 | } | |
929 | ||
5c3c69f4 GDR |
930 | /* Pretty-print an INTEGER literal. */ |
931 | ||
4b780675 | 932 | static void |
12ea3302 | 933 | pp_c_integer_constant (c_pretty_printer *pp, tree i) |
4b780675 | 934 | { |
78a7c317 DD |
935 | int idx; |
936 | ||
b4592b92 DS |
937 | /* We are going to compare the type of I to other types using |
938 | pointer comparison so we need to use its canonical type. */ | |
939 | tree type = | |
940 | TYPE_CANONICAL (TREE_TYPE (i)) | |
941 | ? TYPE_CANONICAL (TREE_TYPE (i)) | |
942 | : TREE_TYPE (i); | |
53de5204 | 943 | |
9541ffee | 944 | if (tree_fits_shwi_p (i)) |
eb1ce453 | 945 | pp_wide_integer (pp, tree_to_shwi (i)); |
cc269bb6 | 946 | else if (tree_fits_uhwi_p (i)) |
eb1ce453 | 947 | pp_unsigned_wide_integer (pp, tree_to_uhwi (i)); |
4b780675 GDR |
948 | else |
949 | { | |
807e902e KZ |
950 | wide_int wi = i; |
951 | ||
952 | if (wi::lt_p (i, 0, TYPE_SIGN (TREE_TYPE (i)))) | |
c22cacf3 | 953 | { |
07838b13 | 954 | pp_minus (pp); |
807e902e | 955 | wi = -wi; |
c22cacf3 | 956 | } |
807e902e | 957 | print_hex (wi, pp_buffer (pp)->digit_buffer); |
4b780675 GDR |
958 | pp_string (pp, pp_buffer (pp)->digit_buffer); |
959 | } | |
8df83eae | 960 | if (TYPE_UNSIGNED (type)) |
53de5204 GDR |
961 | pp_character (pp, 'u'); |
962 | if (type == long_integer_type_node || type == long_unsigned_type_node) | |
963 | pp_character (pp, 'l'); | |
964 | else if (type == long_long_integer_type_node | |
c22cacf3 | 965 | || type == long_long_unsigned_type_node) |
53de5204 | 966 | pp_string (pp, "ll"); |
78a7c317 DD |
967 | else for (idx = 0; idx < NUM_INT_N_ENTS; idx ++) |
968 | if (int_n_enabled_p[idx]) | |
969 | { | |
970 | char buf[2+20]; | |
971 | if (type == int_n_trees[idx].signed_type | |
972 | || type == int_n_trees[idx].unsigned_type) | |
973 | { | |
974 | sprintf (buf, "I%d", int_n_data[idx].bitsize); | |
975 | pp_string (pp, buf); | |
976 | } | |
977 | } | |
4b780675 GDR |
978 | } |
979 | ||
61ccbcfd | 980 | /* Print out a CHARACTER literal. */ |
53de5204 | 981 | |
965514bd | 982 | static void |
12ea3302 | 983 | pp_c_character_constant (c_pretty_printer *pp, tree c) |
61ccbcfd | 984 | { |
4b780675 | 985 | pp_quote (pp); |
9cc65f15 | 986 | pp_c_char (pp, (unsigned) TREE_INT_CST_LOW (c)); |
4b780675 | 987 | pp_quote (pp); |
61ccbcfd GDR |
988 | } |
989 | ||
990 | /* Print out a BOOLEAN literal. */ | |
53de5204 | 991 | |
4b780675 | 992 | static void |
12ea3302 | 993 | pp_c_bool_constant (c_pretty_printer *pp, tree b) |
61ccbcfd | 994 | { |
4b780675 | 995 | if (b == boolean_false_node) |
61ccbcfd | 996 | { |
37fa72e9 | 997 | if (c_dialect_cxx ()) |
b02cec6e | 998 | pp_c_ws_string (pp, "false"); |
37fa72e9 | 999 | else if (flag_isoc99) |
b02cec6e | 1000 | pp_c_ws_string (pp, "_False"); |
61ccbcfd | 1001 | else |
4b780675 | 1002 | pp_unsupported_tree (pp, b); |
61ccbcfd GDR |
1003 | } |
1004 | else if (b == boolean_true_node) | |
1005 | { | |
37fa72e9 | 1006 | if (c_dialect_cxx ()) |
b02cec6e | 1007 | pp_c_ws_string (pp, "true"); |
37fa72e9 | 1008 | else if (flag_isoc99) |
b02cec6e | 1009 | pp_c_ws_string (pp, "_True"); |
61ccbcfd | 1010 | else |
4b780675 | 1011 | pp_unsupported_tree (pp, b); |
61ccbcfd | 1012 | } |
4b780675 GDR |
1013 | else if (TREE_CODE (b) == INTEGER_CST) |
1014 | pp_c_integer_constant (pp, b); | |
61ccbcfd | 1015 | else |
4b780675 | 1016 | pp_unsupported_tree (pp, b); |
61ccbcfd GDR |
1017 | } |
1018 | ||
2f6e4e97 | 1019 | /* Attempt to print out an ENUMERATOR. Return true on success. Else return |
61ccbcfd GDR |
1020 | false; that means the value was obtained by a cast, in which case |
1021 | print out the type-id part of the cast-expression -- the casted value | |
1022 | is then printed by pp_c_integer_literal. */ | |
53de5204 | 1023 | |
61ccbcfd | 1024 | static bool |
12ea3302 | 1025 | pp_c_enumeration_constant (c_pretty_printer *pp, tree e) |
61ccbcfd | 1026 | { |
4b780675 | 1027 | bool value_is_named = true; |
61ccbcfd GDR |
1028 | tree type = TREE_TYPE (e); |
1029 | tree value; | |
1030 | ||
1031 | /* Find the name of this constant. */ | |
2f6e4e97 | 1032 | for (value = TYPE_VALUES (type); |
61ccbcfd GDR |
1033 | value != NULL_TREE && !tree_int_cst_equal (TREE_VALUE (value), e); |
1034 | value = TREE_CHAIN (value)) | |
1035 | ; | |
2f6e4e97 | 1036 | |
61ccbcfd | 1037 | if (value != NULL_TREE) |
20059c8b | 1038 | pp->id_expression (TREE_PURPOSE (value)); |
61ccbcfd GDR |
1039 | else |
1040 | { | |
1041 | /* Value must have been cast. */ | |
12ea3302 | 1042 | pp_c_type_cast (pp, type); |
4b780675 | 1043 | value_is_named = false; |
61ccbcfd | 1044 | } |
2f6e4e97 | 1045 | |
4b780675 | 1046 | return value_is_named; |
61ccbcfd GDR |
1047 | } |
1048 | ||
44f8f96a GDR |
1049 | /* Print out a REAL value as a decimal-floating-constant. */ |
1050 | ||
965514bd | 1051 | static void |
12ea3302 | 1052 | pp_c_floating_constant (c_pretty_printer *pp, tree r) |
61ccbcfd | 1053 | { |
7bc30741 PC |
1054 | const struct real_format *fmt |
1055 | = REAL_MODE_FORMAT (TYPE_MODE (TREE_TYPE (r))); | |
1056 | ||
1057 | REAL_VALUE_TYPE floating_cst = TREE_REAL_CST (r); | |
1058 | bool is_decimal = floating_cst.decimal; | |
1059 | ||
1060 | /* See ISO C++ WG N1822. Note: The fraction 643/2136 approximates | |
1061 | log10(2) to 7 significant digits. */ | |
1062 | int max_digits10 = 2 + (is_decimal ? fmt->p : fmt->p * 643L / 2136); | |
1063 | ||
4b780675 | 1064 | real_to_decimal (pp_buffer (pp)->digit_buffer, &TREE_REAL_CST (r), |
7bc30741 PC |
1065 | sizeof (pp_buffer (pp)->digit_buffer), |
1066 | max_digits10, 1); | |
1067 | ||
4b780675 | 1068 | pp_string (pp, pp_buffer(pp)->digit_buffer); |
44f8f96a GDR |
1069 | if (TREE_TYPE (r) == float_type_node) |
1070 | pp_character (pp, 'f'); | |
1071 | else if (TREE_TYPE (r) == long_double_type_node) | |
1072 | pp_character (pp, 'l'); | |
9a8ce21f JG |
1073 | else if (TREE_TYPE (r) == dfloat128_type_node) |
1074 | pp_string (pp, "dl"); | |
1075 | else if (TREE_TYPE (r) == dfloat64_type_node) | |
1076 | pp_string (pp, "dd"); | |
1077 | else if (TREE_TYPE (r) == dfloat32_type_node) | |
1078 | pp_string (pp, "df"); | |
61ccbcfd GDR |
1079 | } |
1080 | ||
325217ed CF |
1081 | /* Print out a FIXED value as a decimal-floating-constant. */ |
1082 | ||
1083 | static void | |
1084 | pp_c_fixed_constant (c_pretty_printer *pp, tree r) | |
1085 | { | |
1086 | fixed_to_decimal (pp_buffer (pp)->digit_buffer, &TREE_FIXED_CST (r), | |
1087 | sizeof (pp_buffer (pp)->digit_buffer)); | |
1088 | pp_string (pp, pp_buffer(pp)->digit_buffer); | |
1089 | } | |
1090 | ||
53de5204 | 1091 | /* Pretty-print a compound literal expression. GNU extensions include |
9f63daea | 1092 | vector constants. */ |
53de5204 GDR |
1093 | |
1094 | static void | |
1095 | pp_c_compound_literal (c_pretty_printer *pp, tree e) | |
1096 | { | |
9f63daea | 1097 | tree type = TREE_TYPE (e); |
53de5204 GDR |
1098 | pp_c_type_cast (pp, type); |
1099 | ||
1100 | switch (TREE_CODE (type)) | |
1101 | { | |
1102 | case RECORD_TYPE: | |
1103 | case UNION_TYPE: | |
1104 | case ARRAY_TYPE: | |
1105 | case VECTOR_TYPE: | |
1106 | case COMPLEX_TYPE: | |
1107 | pp_c_brace_enclosed_initializer_list (pp, e); | |
1108 | break; | |
1109 | ||
1110 | default: | |
1111 | pp_unsupported_tree (pp, e); | |
1112 | break; | |
1113 | } | |
1114 | } | |
1115 | ||
66e68191 JJ |
1116 | /* Pretty-print a COMPLEX_EXPR expression. */ |
1117 | ||
1118 | static void | |
1119 | pp_c_complex_expr (c_pretty_printer *pp, tree e) | |
1120 | { | |
1121 | /* Handle a few common special cases, otherwise fallback | |
1122 | to printing it as compound literal. */ | |
1123 | tree type = TREE_TYPE (e); | |
1124 | tree realexpr = TREE_OPERAND (e, 0); | |
1125 | tree imagexpr = TREE_OPERAND (e, 1); | |
1126 | ||
1127 | /* Cast of an COMPLEX_TYPE expression to a different COMPLEX_TYPE. */ | |
1128 | if (TREE_CODE (realexpr) == NOP_EXPR | |
1129 | && TREE_CODE (imagexpr) == NOP_EXPR | |
1130 | && TREE_TYPE (realexpr) == TREE_TYPE (type) | |
1131 | && TREE_TYPE (imagexpr) == TREE_TYPE (type) | |
1132 | && TREE_CODE (TREE_OPERAND (realexpr, 0)) == REALPART_EXPR | |
1133 | && TREE_CODE (TREE_OPERAND (imagexpr, 0)) == IMAGPART_EXPR | |
1134 | && TREE_OPERAND (TREE_OPERAND (realexpr, 0), 0) | |
1135 | == TREE_OPERAND (TREE_OPERAND (imagexpr, 0), 0)) | |
1136 | { | |
1137 | pp_c_type_cast (pp, type); | |
20059c8b | 1138 | pp->expression (TREE_OPERAND (TREE_OPERAND (realexpr, 0), 0)); |
66e68191 JJ |
1139 | return; |
1140 | } | |
1141 | ||
1142 | /* Cast of an scalar expression to COMPLEX_TYPE. */ | |
1143 | if ((integer_zerop (imagexpr) || real_zerop (imagexpr)) | |
1144 | && TREE_TYPE (realexpr) == TREE_TYPE (type)) | |
1145 | { | |
1146 | pp_c_type_cast (pp, type); | |
1147 | if (TREE_CODE (realexpr) == NOP_EXPR) | |
1148 | realexpr = TREE_OPERAND (realexpr, 0); | |
20059c8b | 1149 | pp->expression (realexpr); |
66e68191 JJ |
1150 | return; |
1151 | } | |
1152 | ||
1153 | pp_c_compound_literal (pp, e); | |
1154 | } | |
1155 | ||
4b780675 GDR |
1156 | /* constant: |
1157 | integer-constant | |
1158 | floating-constant | |
325217ed | 1159 | fixed-point-constant |
4b780675 | 1160 | enumeration-constant |
2067c116 | 1161 | character-constant */ |
53de5204 | 1162 | |
61ccbcfd | 1163 | void |
ca43e9d5 | 1164 | c_pretty_printer::constant (tree e) |
61ccbcfd | 1165 | { |
53de5204 GDR |
1166 | const enum tree_code code = TREE_CODE (e); |
1167 | ||
1168 | switch (code) | |
61ccbcfd | 1169 | { |
632f2871 RS |
1170 | case VOID_CST: |
1171 | pp_c_void_constant (this); | |
1172 | break; | |
1173 | ||
61ccbcfd | 1174 | case INTEGER_CST: |
4b780675 | 1175 | { |
c22cacf3 MS |
1176 | tree type = TREE_TYPE (e); |
1177 | if (type == boolean_type_node) | |
ca43e9d5 | 1178 | pp_c_bool_constant (this, e); |
c22cacf3 | 1179 | else if (type == char_type_node) |
ca43e9d5 | 1180 | pp_c_character_constant (this, e); |
c22cacf3 | 1181 | else if (TREE_CODE (type) == ENUMERAL_TYPE |
ca43e9d5 | 1182 | && pp_c_enumeration_constant (this, e)) |
c22cacf3 MS |
1183 | ; |
1184 | else | |
ca43e9d5 | 1185 | pp_c_integer_constant (this, e); |
4b780675 | 1186 | } |
61ccbcfd | 1187 | break; |
2f6e4e97 | 1188 | |
61ccbcfd | 1189 | case REAL_CST: |
ca43e9d5 | 1190 | pp_c_floating_constant (this, e); |
61ccbcfd | 1191 | break; |
2f6e4e97 | 1192 | |
325217ed | 1193 | case FIXED_CST: |
ca43e9d5 | 1194 | pp_c_fixed_constant (this, e); |
325217ed CF |
1195 | break; |
1196 | ||
61ccbcfd | 1197 | case STRING_CST: |
ca43e9d5 | 1198 | pp_c_string_literal (this, e); |
2f6e4e97 | 1199 | break; |
61ccbcfd | 1200 | |
b29ee02b GDR |
1201 | case COMPLEX_CST: |
1202 | /* Sometimes, we are confused and we think a complex literal | |
1203 | is a constant. Such thing is a compound literal which | |
fa10beec | 1204 | grammatically belongs to postfix-expr production. */ |
ca43e9d5 | 1205 | pp_c_compound_literal (this, e); |
b29ee02b GDR |
1206 | break; |
1207 | ||
61ccbcfd | 1208 | default: |
ca43e9d5 | 1209 | pp_unsupported_tree (this, e); |
61ccbcfd GDR |
1210 | break; |
1211 | } | |
1212 | } | |
1213 | ||
b02cec6e JM |
1214 | /* Pretty-print a string such as an identifier, without changing its |
1215 | encoding, preceded by whitespace is necessary. */ | |
1216 | ||
1217 | void | |
1218 | pp_c_ws_string (c_pretty_printer *pp, const char *str) | |
1219 | { | |
1220 | pp_c_maybe_whitespace (pp); | |
1221 | pp_string (pp, str); | |
b066401f | 1222 | pp->padding = pp_before; |
b02cec6e JM |
1223 | } |
1224 | ||
0691175f GDR |
1225 | void |
1226 | c_pretty_printer::translate_string (const char *gmsgid) | |
1227 | { | |
1228 | if (pp_translate_identifiers (this)) | |
1229 | pp_c_ws_string (this, _(gmsgid)); | |
1230 | else | |
1231 | pp_c_ws_string (this, gmsgid); | |
1232 | } | |
1233 | ||
b02cec6e JM |
1234 | /* Pretty-print an IDENTIFIER_NODE, which may contain UTF-8 sequences |
1235 | that need converting to the locale encoding, preceded by whitespace | |
1236 | is necessary. */ | |
5c3c69f4 | 1237 | |
4b780675 | 1238 | void |
12ea3302 | 1239 | pp_c_identifier (c_pretty_printer *pp, const char *id) |
4b780675 | 1240 | { |
9f63daea EC |
1241 | pp_c_maybe_whitespace (pp); |
1242 | pp_identifier (pp, id); | |
b066401f | 1243 | pp->padding = pp_before; |
4b780675 GDR |
1244 | } |
1245 | ||
1246 | /* Pretty-print a C primary-expression. | |
1247 | primary-expression: | |
1248 | identifier | |
1249 | constant | |
1250 | string-literal | |
1251 | ( expression ) */ | |
53de5204 | 1252 | |
12ea3302 | 1253 | void |
7ecc2600 | 1254 | c_pretty_printer::primary_expression (tree e) |
61ccbcfd GDR |
1255 | { |
1256 | switch (TREE_CODE (e)) | |
1257 | { | |
1258 | case VAR_DECL: | |
1259 | case PARM_DECL: | |
1260 | case FIELD_DECL: | |
1261 | case CONST_DECL: | |
1262 | case FUNCTION_DECL: | |
1263 | case LABEL_DECL: | |
7ecc2600 | 1264 | pp_c_tree_decl_identifier (this, e); |
6de9cd9a DN |
1265 | break; |
1266 | ||
61ccbcfd | 1267 | case IDENTIFIER_NODE: |
7ecc2600 | 1268 | pp_c_tree_identifier (this, e); |
61ccbcfd GDR |
1269 | break; |
1270 | ||
1271 | case ERROR_MARK: | |
7ecc2600 | 1272 | translate_string ("<erroneous-expression>"); |
61ccbcfd | 1273 | break; |
2f6e4e97 | 1274 | |
61ccbcfd | 1275 | case RESULT_DECL: |
7ecc2600 | 1276 | translate_string ("<return-value>"); |
61ccbcfd GDR |
1277 | break; |
1278 | ||
632f2871 | 1279 | case VOID_CST: |
61ccbcfd GDR |
1280 | case INTEGER_CST: |
1281 | case REAL_CST: | |
325217ed | 1282 | case FIXED_CST: |
61ccbcfd | 1283 | case STRING_CST: |
7ecc2600 | 1284 | constant (e); |
61ccbcfd GDR |
1285 | break; |
1286 | ||
6de9cd9a | 1287 | case TARGET_EXPR: |
7ecc2600 GDR |
1288 | pp_c_ws_string (this, "__builtin_memcpy"); |
1289 | pp_c_left_paren (this); | |
1290 | pp_ampersand (this); | |
1291 | primary_expression (TREE_OPERAND (e, 0)); | |
1292 | pp_separate_with (this, ','); | |
1293 | pp_ampersand (this); | |
20059c8b | 1294 | initializer (TREE_OPERAND (e, 1)); |
6de9cd9a DN |
1295 | if (TREE_OPERAND (e, 2)) |
1296 | { | |
7ecc2600 | 1297 | pp_separate_with (this, ','); |
00d34d3a | 1298 | expression (TREE_OPERAND (e, 2)); |
6de9cd9a | 1299 | } |
7ecc2600 | 1300 | pp_c_right_paren (this); |
6de9cd9a DN |
1301 | break; |
1302 | ||
61ccbcfd | 1303 | default: |
fa10beec | 1304 | /* FIXME: Make sure we won't get into an infinite loop. */ |
7ecc2600 | 1305 | pp_c_left_paren (this); |
20059c8b | 1306 | expression (e); |
7ecc2600 | 1307 | pp_c_right_paren (this); |
61ccbcfd GDR |
1308 | break; |
1309 | } | |
1310 | } | |
1311 | ||
4b780675 GDR |
1312 | /* Print out a C initializer -- also support C compound-literals. |
1313 | initializer: | |
1314 | assignment-expression: | |
1315 | { initializer-list } | |
1316 | { initializer-list , } */ | |
1317 | ||
20059c8b GDR |
1318 | void |
1319 | c_pretty_printer::initializer (tree e) | |
76a8ecba GDR |
1320 | { |
1321 | if (TREE_CODE (e) == CONSTRUCTOR) | |
20059c8b | 1322 | pp_c_brace_enclosed_initializer_list (this, e); |
76a8ecba | 1323 | else |
20059c8b | 1324 | expression (e); |
12ea3302 GDR |
1325 | } |
1326 | ||
1327 | /* init-declarator: | |
1328 | declarator: | |
1329 | declarator = initializer */ | |
53de5204 | 1330 | |
12ea3302 GDR |
1331 | void |
1332 | pp_c_init_declarator (c_pretty_printer *pp, tree t) | |
1333 | { | |
20059c8b | 1334 | pp->declarator (t); |
5c3c69f4 GDR |
1335 | /* We don't want to output function definitions here. There are handled |
1336 | elsewhere (and the syntactic form is bogus anyway). */ | |
1337 | if (TREE_CODE (t) != FUNCTION_DECL && DECL_INITIAL (t)) | |
12ea3302 GDR |
1338 | { |
1339 | tree init = DECL_INITIAL (t); | |
1340 | /* This C++ bit is handled here because it is easier to do so. | |
c22cacf3 MS |
1341 | In templates, the C++ parser builds a TREE_LIST for a |
1342 | direct-initialization; the TREE_PURPOSE is the variable to | |
1343 | initialize and the TREE_VALUE is the initializer. */ | |
12ea3302 | 1344 | if (TREE_CODE (init) == TREE_LIST) |
c22cacf3 MS |
1345 | { |
1346 | pp_c_left_paren (pp); | |
20059c8b | 1347 | pp->expression (TREE_VALUE (init)); |
c22cacf3 MS |
1348 | pp_right_paren (pp); |
1349 | } | |
12ea3302 | 1350 | else |
c22cacf3 MS |
1351 | { |
1352 | pp_space (pp); | |
1353 | pp_equal (pp); | |
1354 | pp_space (pp); | |
20059c8b | 1355 | pp->initializer (init); |
c22cacf3 | 1356 | } |
12ea3302 | 1357 | } |
76a8ecba GDR |
1358 | } |
1359 | ||
4b780675 GDR |
1360 | /* initializer-list: |
1361 | designation(opt) initializer | |
1362 | initializer-list , designation(opt) initializer | |
1363 | ||
1364 | designation: | |
1365 | designator-list = | |
1366 | ||
1367 | designator-list: | |
1368 | designator | |
1369 | designator-list designator | |
1370 | ||
1371 | designator: | |
1372 | [ constant-expression ] | |
1373 | identifier */ | |
53de5204 | 1374 | |
76a8ecba | 1375 | static void |
12ea3302 | 1376 | pp_c_initializer_list (c_pretty_printer *pp, tree e) |
76a8ecba GDR |
1377 | { |
1378 | tree type = TREE_TYPE (e); | |
1379 | const enum tree_code code = TREE_CODE (type); | |
1380 | ||
05008a0c JJ |
1381 | if (TREE_CODE (e) == CONSTRUCTOR) |
1382 | { | |
1383 | pp_c_constructor_elts (pp, CONSTRUCTOR_ELTS (e)); | |
1384 | return; | |
1385 | } | |
1386 | ||
53de5204 | 1387 | switch (code) |
76a8ecba | 1388 | { |
53de5204 GDR |
1389 | case RECORD_TYPE: |
1390 | case UNION_TYPE: | |
1391 | case ARRAY_TYPE: | |
1392 | { | |
c22cacf3 MS |
1393 | tree init = TREE_OPERAND (e, 0); |
1394 | for (; init != NULL_TREE; init = TREE_CHAIN (init)) | |
1395 | { | |
1396 | if (code == RECORD_TYPE || code == UNION_TYPE) | |
1397 | { | |
1398 | pp_c_dot (pp); | |
20059c8b | 1399 | pp->primary_expression (TREE_PURPOSE (init)); |
c22cacf3 MS |
1400 | } |
1401 | else | |
1402 | { | |
1403 | pp_c_left_bracket (pp); | |
1404 | if (TREE_PURPOSE (init)) | |
20059c8b | 1405 | pp->constant (TREE_PURPOSE (init)); |
c22cacf3 MS |
1406 | pp_c_right_bracket (pp); |
1407 | } | |
1408 | pp_c_whitespace (pp); | |
1409 | pp_equal (pp); | |
1410 | pp_c_whitespace (pp); | |
20059c8b | 1411 | pp->initializer (TREE_VALUE (init)); |
c22cacf3 MS |
1412 | if (TREE_CHAIN (init)) |
1413 | pp_separate_with (pp, ','); | |
1414 | } | |
53de5204 | 1415 | } |
6de9cd9a | 1416 | return; |
53de5204 GDR |
1417 | |
1418 | case VECTOR_TYPE: | |
6de9cd9a | 1419 | if (TREE_CODE (e) == VECTOR_CST) |
d2a12ae7 RG |
1420 | { |
1421 | unsigned i; | |
1422 | for (i = 0; i < VECTOR_CST_NELTS (e); ++i) | |
1423 | { | |
1424 | if (i > 0) | |
1425 | pp_separate_with (pp, ','); | |
20059c8b | 1426 | pp->expression (VECTOR_CST_ELT (e, i)); |
d2a12ae7 RG |
1427 | } |
1428 | } | |
6de9cd9a | 1429 | else |
c22cacf3 | 1430 | break; |
6de9cd9a | 1431 | return; |
53de5204 GDR |
1432 | |
1433 | case COMPLEX_TYPE: | |
05008a0c | 1434 | if (TREE_CODE (e) == COMPLEX_CST || TREE_CODE (e) == COMPLEX_EXPR) |
6de9cd9a DN |
1435 | { |
1436 | const bool cst = TREE_CODE (e) == COMPLEX_CST; | |
20059c8b | 1437 | pp->expression (cst ? TREE_REALPART (e) : TREE_OPERAND (e, 0)); |
6de9cd9a | 1438 | pp_separate_with (pp, ','); |
20059c8b | 1439 | pp->expression (cst ? TREE_IMAGPART (e) : TREE_OPERAND (e, 1)); |
6de9cd9a DN |
1440 | } |
1441 | else | |
1442 | break; | |
1443 | return; | |
53de5204 GDR |
1444 | |
1445 | default: | |
53de5204 | 1446 | break; |
76a8ecba | 1447 | } |
6de9cd9a DN |
1448 | |
1449 | pp_unsupported_tree (pp, type); | |
76a8ecba GDR |
1450 | } |
1451 | ||
6614fd40 | 1452 | /* Pretty-print a brace-enclosed initializer-list. */ |
53de5204 GDR |
1453 | |
1454 | static void | |
1455 | pp_c_brace_enclosed_initializer_list (c_pretty_printer *pp, tree l) | |
1456 | { | |
1457 | pp_c_left_brace (pp); | |
1458 | pp_c_initializer_list (pp, l); | |
1459 | pp_c_right_brace (pp); | |
1460 | } | |
1461 | ||
1462 | ||
4b780675 GDR |
1463 | /* This is a convenient function, used to bridge gap between C and C++ |
1464 | grammars. | |
1465 | ||
1466 | id-expression: | |
1467 | identifier */ | |
53de5204 | 1468 | |
4b780675 | 1469 | void |
66dfe4c4 | 1470 | c_pretty_printer::id_expression (tree t) |
4b780675 GDR |
1471 | { |
1472 | switch (TREE_CODE (t)) | |
1473 | { | |
1474 | case VAR_DECL: | |
1475 | case PARM_DECL: | |
1476 | case CONST_DECL: | |
1477 | case TYPE_DECL: | |
1478 | case FUNCTION_DECL: | |
1479 | case FIELD_DECL: | |
1480 | case LABEL_DECL: | |
66dfe4c4 | 1481 | pp_c_tree_decl_identifier (this, t); |
6de9cd9a DN |
1482 | break; |
1483 | ||
4b780675 | 1484 | case IDENTIFIER_NODE: |
66dfe4c4 | 1485 | pp_c_tree_identifier (this, t); |
4b780675 GDR |
1486 | break; |
1487 | ||
1488 | default: | |
66dfe4c4 | 1489 | pp_unsupported_tree (this, t); |
4b780675 GDR |
1490 | break; |
1491 | } | |
1492 | } | |
1493 | ||
1494 | /* postfix-expression: | |
1495 | primary-expression | |
1496 | postfix-expression [ expression ] | |
1497 | postfix-expression ( argument-expression-list(opt) ) | |
1498 | postfix-expression . identifier | |
1499 | postfix-expression -> identifier | |
1500 | postfix-expression ++ | |
1501 | postfix-expression -- | |
1502 | ( type-name ) { initializer-list } | |
1503 | ( type-name ) { initializer-list , } */ | |
53de5204 | 1504 | |
61ccbcfd | 1505 | void |
fb22178f | 1506 | c_pretty_printer::postfix_expression (tree e) |
61ccbcfd GDR |
1507 | { |
1508 | enum tree_code code = TREE_CODE (e); | |
1509 | switch (code) | |
1510 | { | |
1511 | case POSTINCREMENT_EXPR: | |
1512 | case POSTDECREMENT_EXPR: | |
fb22178f GDR |
1513 | postfix_expression (TREE_OPERAND (e, 0)); |
1514 | pp_string (this, code == POSTINCREMENT_EXPR ? "++" : "--"); | |
61ccbcfd | 1515 | break; |
2f6e4e97 | 1516 | |
61ccbcfd | 1517 | case ARRAY_REF: |
fb22178f GDR |
1518 | postfix_expression (TREE_OPERAND (e, 0)); |
1519 | pp_c_left_bracket (this); | |
20059c8b | 1520 | expression (TREE_OPERAND (e, 1)); |
fb22178f | 1521 | pp_c_right_bracket (this); |
61ccbcfd GDR |
1522 | break; |
1523 | ||
36536d79 | 1524 | case ARRAY_NOTATION_REF: |
fb22178f GDR |
1525 | postfix_expression (ARRAY_NOTATION_ARRAY (e)); |
1526 | pp_c_left_bracket (this); | |
20059c8b | 1527 | expression (ARRAY_NOTATION_START (e)); |
fb22178f | 1528 | pp_colon (this); |
20059c8b | 1529 | expression (ARRAY_NOTATION_LENGTH (e)); |
fb22178f | 1530 | pp_colon (this); |
20059c8b | 1531 | expression (ARRAY_NOTATION_STRIDE (e)); |
fb22178f | 1532 | pp_c_right_bracket (this); |
36536d79 BI |
1533 | break; |
1534 | ||
61ccbcfd | 1535 | case CALL_EXPR: |
5039610b SL |
1536 | { |
1537 | call_expr_arg_iterator iter; | |
1538 | tree arg; | |
fb22178f GDR |
1539 | postfix_expression (CALL_EXPR_FN (e)); |
1540 | pp_c_left_paren (this); | |
5039610b SL |
1541 | FOR_EACH_CALL_EXPR_ARG (arg, iter, e) |
1542 | { | |
20059c8b | 1543 | expression (arg); |
5039610b | 1544 | if (more_call_expr_args_p (&iter)) |
fb22178f | 1545 | pp_separate_with (this, ','); |
5039610b | 1546 | } |
fb22178f | 1547 | pp_c_right_paren (this); |
5039610b SL |
1548 | break; |
1549 | } | |
61ccbcfd | 1550 | |
bd74419f | 1551 | case UNORDERED_EXPR: |
fb22178f | 1552 | pp_c_ws_string (this, flag_isoc99 |
bd74419f PB |
1553 | ? "isunordered" |
1554 | : "__builtin_isunordered"); | |
1555 | goto two_args_fun; | |
1556 | ||
1557 | case ORDERED_EXPR: | |
fb22178f | 1558 | pp_c_ws_string (this, flag_isoc99 |
bd74419f PB |
1559 | ? "!isunordered" |
1560 | : "!__builtin_isunordered"); | |
1561 | goto two_args_fun; | |
1562 | ||
1563 | case UNLT_EXPR: | |
fb22178f | 1564 | pp_c_ws_string (this, flag_isoc99 |
bd74419f PB |
1565 | ? "!isgreaterequal" |
1566 | : "!__builtin_isgreaterequal"); | |
1567 | goto two_args_fun; | |
1568 | ||
1569 | case UNLE_EXPR: | |
fb22178f | 1570 | pp_c_ws_string (this, flag_isoc99 |
bd74419f PB |
1571 | ? "!isgreater" |
1572 | : "!__builtin_isgreater"); | |
1573 | goto two_args_fun; | |
1574 | ||
1575 | case UNGT_EXPR: | |
fb22178f | 1576 | pp_c_ws_string (this, flag_isoc99 |
bd74419f PB |
1577 | ? "!islessequal" |
1578 | : "!__builtin_islessequal"); | |
1579 | goto two_args_fun; | |
1580 | ||
1581 | case UNGE_EXPR: | |
fb22178f | 1582 | pp_c_ws_string (this, flag_isoc99 |
bd74419f PB |
1583 | ? "!isless" |
1584 | : "!__builtin_isless"); | |
1585 | goto two_args_fun; | |
1586 | ||
1587 | case UNEQ_EXPR: | |
fb22178f | 1588 | pp_c_ws_string (this, flag_isoc99 |
bd74419f PB |
1589 | ? "!islessgreater" |
1590 | : "!__builtin_islessgreater"); | |
1591 | goto two_args_fun; | |
1592 | ||
1593 | case LTGT_EXPR: | |
fb22178f | 1594 | pp_c_ws_string (this, flag_isoc99 |
bd74419f PB |
1595 | ? "islessgreater" |
1596 | : "__builtin_islessgreater"); | |
1597 | goto two_args_fun; | |
1598 | ||
1599 | two_args_fun: | |
fb22178f | 1600 | pp_c_left_paren (this); |
20059c8b | 1601 | expression (TREE_OPERAND (e, 0)); |
fb22178f | 1602 | pp_separate_with (this, ','); |
20059c8b | 1603 | expression (TREE_OPERAND (e, 1)); |
fb22178f | 1604 | pp_c_right_paren (this); |
9b61c478 | 1605 | break; |
bd74419f | 1606 | |
76a8ecba | 1607 | case ABS_EXPR: |
fb22178f GDR |
1608 | pp_c_ws_string (this, "__builtin_abs"); |
1609 | pp_c_left_paren (this); | |
20059c8b | 1610 | expression (TREE_OPERAND (e, 0)); |
fb22178f | 1611 | pp_c_right_paren (this); |
76a8ecba GDR |
1612 | break; |
1613 | ||
61ccbcfd GDR |
1614 | case COMPONENT_REF: |
1615 | { | |
1616 | tree object = TREE_OPERAND (e, 0); | |
1617 | if (TREE_CODE (object) == INDIRECT_REF) | |
1618 | { | |
fb22178f GDR |
1619 | postfix_expression (TREE_OPERAND (object, 0)); |
1620 | pp_c_arrow (this); | |
61ccbcfd GDR |
1621 | } |
1622 | else | |
1623 | { | |
fb22178f GDR |
1624 | postfix_expression (object); |
1625 | pp_c_dot (this); | |
61ccbcfd | 1626 | } |
20059c8b | 1627 | expression (TREE_OPERAND (e, 1)); |
61ccbcfd GDR |
1628 | } |
1629 | break; | |
1630 | ||
5eddced5 JJ |
1631 | case BIT_FIELD_REF: |
1632 | { | |
1633 | tree type = TREE_TYPE (e); | |
1634 | ||
1635 | type = signed_or_unsigned_type_for (TYPE_UNSIGNED (type), type); | |
1636 | if (type | |
1637 | && tree_int_cst_equal (TYPE_SIZE (type), TREE_OPERAND (e, 1))) | |
1638 | { | |
9439e9a1 RS |
1639 | HOST_WIDE_INT bitpos = tree_to_shwi (TREE_OPERAND (e, 2)); |
1640 | HOST_WIDE_INT size = tree_to_shwi (TYPE_SIZE (type)); | |
5eddced5 JJ |
1641 | if ((bitpos % size) == 0) |
1642 | { | |
fb22178f GDR |
1643 | pp_c_left_paren (this); |
1644 | pp_c_left_paren (this); | |
20059c8b | 1645 | type_id (type); |
fb22178f GDR |
1646 | pp_c_star (this); |
1647 | pp_c_right_paren (this); | |
1648 | pp_c_ampersand (this); | |
20059c8b | 1649 | expression (TREE_OPERAND (e, 0)); |
fb22178f GDR |
1650 | pp_c_right_paren (this); |
1651 | pp_c_left_bracket (this); | |
1652 | pp_wide_integer (this, bitpos / size); | |
1653 | pp_c_right_bracket (this); | |
5eddced5 JJ |
1654 | break; |
1655 | } | |
1656 | } | |
fb22178f | 1657 | pp_unsupported_tree (this, e); |
5eddced5 JJ |
1658 | } |
1659 | break; | |
1660 | ||
892f6119 | 1661 | case MEM_REF: |
00d34d3a | 1662 | expression (e); |
892f6119 RG |
1663 | break; |
1664 | ||
61ccbcfd GDR |
1665 | case COMPLEX_CST: |
1666 | case VECTOR_CST: | |
fb22178f | 1667 | pp_c_compound_literal (this, e); |
76a8ecba GDR |
1668 | break; |
1669 | ||
66e68191 | 1670 | case COMPLEX_EXPR: |
fb22178f | 1671 | pp_c_complex_expr (this, e); |
66e68191 JJ |
1672 | break; |
1673 | ||
1e6a3e1e | 1674 | case COMPOUND_LITERAL_EXPR: |
f06c07c7 | 1675 | e = DECL_INITIAL (COMPOUND_LITERAL_EXPR_DECL (e)); |
1e6a3e1e | 1676 | /* Fall through. */ |
76a8ecba | 1677 | case CONSTRUCTOR: |
20059c8b | 1678 | initializer (e); |
61ccbcfd | 1679 | break; |
2f6e4e97 | 1680 | |
1e6a3e1e | 1681 | case VA_ARG_EXPR: |
fb22178f GDR |
1682 | pp_c_ws_string (this, "__builtin_va_arg"); |
1683 | pp_c_left_paren (this); | |
00d34d3a | 1684 | assignment_expression (TREE_OPERAND (e, 0)); |
fb22178f | 1685 | pp_separate_with (this, ','); |
20059c8b | 1686 | type_id (TREE_TYPE (e)); |
fb22178f | 1687 | pp_c_right_paren (this); |
1e6a3e1e | 1688 | break; |
61ccbcfd | 1689 | |
4b780675 GDR |
1690 | case ADDR_EXPR: |
1691 | if (TREE_CODE (TREE_OPERAND (e, 0)) == FUNCTION_DECL) | |
c22cacf3 | 1692 | { |
fb22178f | 1693 | id_expression (TREE_OPERAND (e, 0)); |
c22cacf3 MS |
1694 | break; |
1695 | } | |
2b72593e | 1696 | /* else fall through. */ |
4b780675 | 1697 | |
61ccbcfd | 1698 | default: |
fb22178f | 1699 | primary_expression (e); |
61ccbcfd GDR |
1700 | break; |
1701 | } | |
1702 | } | |
1703 | ||
6614fd40 | 1704 | /* Print out an expression-list; E is expected to be a TREE_LIST. */ |
53de5204 | 1705 | |
61ccbcfd | 1706 | void |
12ea3302 | 1707 | pp_c_expression_list (c_pretty_printer *pp, tree e) |
61ccbcfd GDR |
1708 | { |
1709 | for (; e != NULL_TREE; e = TREE_CHAIN (e)) | |
1710 | { | |
20059c8b | 1711 | pp->expression (TREE_VALUE (e)); |
61ccbcfd | 1712 | if (TREE_CHAIN (e)) |
12ea3302 | 1713 | pp_separate_with (pp, ','); |
61ccbcfd GDR |
1714 | } |
1715 | } | |
1716 | ||
4038c495 GB |
1717 | /* Print out V, which contains the elements of a constructor. */ |
1718 | ||
1719 | void | |
9771b263 | 1720 | pp_c_constructor_elts (c_pretty_printer *pp, vec<constructor_elt, va_gc> *v) |
4038c495 GB |
1721 | { |
1722 | unsigned HOST_WIDE_INT ix; | |
1723 | tree value; | |
1724 | ||
1725 | FOR_EACH_CONSTRUCTOR_VALUE (v, ix, value) | |
1726 | { | |
20059c8b | 1727 | pp->expression (value); |
9771b263 | 1728 | if (ix != vec_safe_length (v) - 1) |
4038c495 GB |
1729 | pp_separate_with (pp, ','); |
1730 | } | |
1731 | } | |
1732 | ||
5039610b SL |
1733 | /* Print out an expression-list in parens, as if it were the argument |
1734 | list to a function. */ | |
53de5204 | 1735 | |
12ea3302 GDR |
1736 | void |
1737 | pp_c_call_argument_list (c_pretty_printer *pp, tree t) | |
1738 | { | |
1739 | pp_c_left_paren (pp); | |
1740 | if (t && TREE_CODE (t) == TREE_LIST) | |
1741 | pp_c_expression_list (pp, t); | |
1742 | pp_c_right_paren (pp); | |
1743 | } | |
1744 | ||
e07d4821 GDR |
1745 | /* unary-expression: |
1746 | postfix-expression | |
1747 | ++ cast-expression | |
1748 | -- cast-expression | |
1749 | unary-operator cast-expression | |
1750 | sizeof unary-expression | |
1751 | sizeof ( type-id ) | |
1752 | ||
1753 | unary-operator: one of | |
1754 | * & + - ! ~ | |
9f63daea | 1755 | |
e07d4821 GDR |
1756 | GNU extensions. |
1757 | unary-expression: | |
1758 | __alignof__ unary-expression | |
1759 | __alignof__ ( type-id ) | |
1760 | __real__ unary-expression | |
1761 | __imag__ unary-expression */ | |
53de5204 | 1762 | |
4b780675 | 1763 | void |
00d34d3a | 1764 | c_pretty_printer::unary_expression (tree e) |
61ccbcfd GDR |
1765 | { |
1766 | enum tree_code code = TREE_CODE (e); | |
1767 | switch (code) | |
1768 | { | |
1769 | case PREINCREMENT_EXPR: | |
1770 | case PREDECREMENT_EXPR: | |
00d34d3a GDR |
1771 | pp_string (this, code == PREINCREMENT_EXPR ? "++" : "--"); |
1772 | unary_expression (TREE_OPERAND (e, 0)); | |
61ccbcfd | 1773 | break; |
2f6e4e97 | 1774 | |
61ccbcfd GDR |
1775 | case ADDR_EXPR: |
1776 | case INDIRECT_REF: | |
61ccbcfd GDR |
1777 | case NEGATE_EXPR: |
1778 | case BIT_NOT_EXPR: | |
1779 | case TRUTH_NOT_EXPR: | |
76a8ecba | 1780 | case CONJ_EXPR: |
4b780675 GDR |
1781 | /* String literal are used by address. */ |
1782 | if (code == ADDR_EXPR && TREE_CODE (TREE_OPERAND (e, 0)) != STRING_CST) | |
00d34d3a | 1783 | pp_ampersand (this); |
61ccbcfd | 1784 | else if (code == INDIRECT_REF) |
00d34d3a | 1785 | pp_c_star (this); |
61ccbcfd | 1786 | else if (code == NEGATE_EXPR) |
00d34d3a | 1787 | pp_minus (this); |
76a8ecba | 1788 | else if (code == BIT_NOT_EXPR || code == CONJ_EXPR) |
00d34d3a | 1789 | pp_complement (this); |
61ccbcfd | 1790 | else if (code == TRUTH_NOT_EXPR) |
00d34d3a GDR |
1791 | pp_exclamation (this); |
1792 | pp_c_cast_expression (this, TREE_OPERAND (e, 0)); | |
61ccbcfd GDR |
1793 | break; |
1794 | ||
892f6119 RG |
1795 | case MEM_REF: |
1796 | if (TREE_CODE (TREE_OPERAND (e, 0)) == ADDR_EXPR | |
1797 | && integer_zerop (TREE_OPERAND (e, 1))) | |
00d34d3a | 1798 | expression (TREE_OPERAND (TREE_OPERAND (e, 0), 0)); |
892f6119 RG |
1799 | else |
1800 | { | |
00d34d3a | 1801 | pp_c_star (this); |
892f6119 RG |
1802 | if (!integer_zerop (TREE_OPERAND (e, 1))) |
1803 | { | |
00d34d3a | 1804 | pp_c_left_paren (this); |
892f6119 RG |
1805 | if (!integer_onep (TYPE_SIZE_UNIT |
1806 | (TREE_TYPE (TREE_TYPE (TREE_OPERAND (e, 0)))))) | |
00d34d3a | 1807 | pp_c_type_cast (this, ptr_type_node); |
892f6119 | 1808 | } |
00d34d3a | 1809 | pp_c_cast_expression (this, TREE_OPERAND (e, 0)); |
892f6119 RG |
1810 | if (!integer_zerop (TREE_OPERAND (e, 1))) |
1811 | { | |
00d34d3a GDR |
1812 | pp_plus (this); |
1813 | pp_c_integer_constant (this, | |
892f6119 RG |
1814 | fold_convert (ssizetype, |
1815 | TREE_OPERAND (e, 1))); | |
00d34d3a | 1816 | pp_c_right_paren (this); |
892f6119 RG |
1817 | } |
1818 | } | |
1819 | break; | |
1820 | ||
76a8ecba GDR |
1821 | case REALPART_EXPR: |
1822 | case IMAGPART_EXPR: | |
00d34d3a GDR |
1823 | pp_c_ws_string (this, code == REALPART_EXPR ? "__real__" : "__imag__"); |
1824 | pp_c_whitespace (this); | |
1825 | unary_expression (TREE_OPERAND (e, 0)); | |
76a8ecba | 1826 | break; |
2f6e4e97 | 1827 | |
61ccbcfd | 1828 | default: |
00d34d3a | 1829 | postfix_expression (e); |
61ccbcfd GDR |
1830 | break; |
1831 | } | |
1832 | } | |
1833 | ||
12ea3302 GDR |
1834 | /* cast-expression: |
1835 | unary-expression | |
1836 | ( type-name ) cast-expression */ | |
53de5204 | 1837 | |
61ccbcfd | 1838 | void |
12ea3302 | 1839 | pp_c_cast_expression (c_pretty_printer *pp, tree e) |
61ccbcfd | 1840 | { |
4b780675 | 1841 | switch (TREE_CODE (e)) |
61ccbcfd | 1842 | { |
4b780675 GDR |
1843 | case FLOAT_EXPR: |
1844 | case FIX_TRUNC_EXPR: | |
1043771b | 1845 | CASE_CONVERT: |
4e37eb44 | 1846 | case VIEW_CONVERT_EXPR: |
12ea3302 GDR |
1847 | pp_c_type_cast (pp, TREE_TYPE (e)); |
1848 | pp_c_cast_expression (pp, TREE_OPERAND (e, 0)); | |
4b780675 GDR |
1849 | break; |
1850 | ||
1851 | default: | |
20059c8b | 1852 | pp->unary_expression (e); |
61ccbcfd | 1853 | } |
61ccbcfd GDR |
1854 | } |
1855 | ||
12ea3302 GDR |
1856 | /* multiplicative-expression: |
1857 | cast-expression | |
1858 | multiplicative-expression * cast-expression | |
1859 | multiplicative-expression / cast-expression | |
1860 | multiplicative-expression % cast-expression */ | |
53de5204 | 1861 | |
00d34d3a GDR |
1862 | void |
1863 | c_pretty_printer::multiplicative_expression (tree e) | |
61ccbcfd GDR |
1864 | { |
1865 | enum tree_code code = TREE_CODE (e); | |
1866 | switch (code) | |
1867 | { | |
1868 | case MULT_EXPR: | |
1869 | case TRUNC_DIV_EXPR: | |
1870 | case TRUNC_MOD_EXPR: | |
00d34d3a GDR |
1871 | multiplicative_expression (TREE_OPERAND (e, 0)); |
1872 | pp_c_whitespace (this); | |
61ccbcfd | 1873 | if (code == MULT_EXPR) |
00d34d3a | 1874 | pp_c_star (this); |
61ccbcfd | 1875 | else if (code == TRUNC_DIV_EXPR) |
00d34d3a | 1876 | pp_slash (this); |
61ccbcfd | 1877 | else |
00d34d3a GDR |
1878 | pp_modulo (this); |
1879 | pp_c_whitespace (this); | |
1880 | pp_c_cast_expression (this, TREE_OPERAND (e, 1)); | |
61ccbcfd GDR |
1881 | break; |
1882 | ||
1883 | default: | |
00d34d3a | 1884 | pp_c_cast_expression (this, e); |
61ccbcfd GDR |
1885 | break; |
1886 | } | |
1887 | } | |
1888 | ||
12ea3302 GDR |
1889 | /* additive-expression: |
1890 | multiplicative-expression | |
1891 | additive-expression + multiplicative-expression | |
1892 | additive-expression - multiplicative-expression */ | |
53de5204 | 1893 | |
965514bd | 1894 | static void |
12ea3302 | 1895 | pp_c_additive_expression (c_pretty_printer *pp, tree e) |
61ccbcfd GDR |
1896 | { |
1897 | enum tree_code code = TREE_CODE (e); | |
1898 | switch (code) | |
1899 | { | |
d7705934 | 1900 | case POINTER_PLUS_EXPR: |
61ccbcfd GDR |
1901 | case PLUS_EXPR: |
1902 | case MINUS_EXPR: | |
12ea3302 GDR |
1903 | pp_c_additive_expression (pp, TREE_OPERAND (e, 0)); |
1904 | pp_c_whitespace (pp); | |
d7705934 | 1905 | if (code == PLUS_EXPR || code == POINTER_PLUS_EXPR) |
12ea3302 | 1906 | pp_plus (pp); |
61ccbcfd | 1907 | else |
12ea3302 GDR |
1908 | pp_minus (pp); |
1909 | pp_c_whitespace (pp); | |
20059c8b | 1910 | pp->multiplicative_expression (TREE_OPERAND (e, 1)); |
61ccbcfd GDR |
1911 | break; |
1912 | ||
1913 | default: | |
20059c8b | 1914 | pp->multiplicative_expression (e); |
61ccbcfd GDR |
1915 | break; |
1916 | } | |
1917 | } | |
1918 | ||
12ea3302 GDR |
1919 | /* additive-expression: |
1920 | additive-expression | |
1921 | shift-expression << additive-expression | |
1922 | shift-expression >> additive-expression */ | |
53de5204 | 1923 | |
965514bd | 1924 | static void |
12ea3302 | 1925 | pp_c_shift_expression (c_pretty_printer *pp, tree e) |
61ccbcfd GDR |
1926 | { |
1927 | enum tree_code code = TREE_CODE (e); | |
1928 | switch (code) | |
1929 | { | |
1930 | case LSHIFT_EXPR: | |
1931 | case RSHIFT_EXPR: | |
12ea3302 GDR |
1932 | pp_c_shift_expression (pp, TREE_OPERAND (e, 0)); |
1933 | pp_c_whitespace (pp); | |
b02cec6e | 1934 | pp_string (pp, code == LSHIFT_EXPR ? "<<" : ">>"); |
12ea3302 GDR |
1935 | pp_c_whitespace (pp); |
1936 | pp_c_additive_expression (pp, TREE_OPERAND (e, 1)); | |
61ccbcfd GDR |
1937 | break; |
1938 | ||
1939 | default: | |
12ea3302 | 1940 | pp_c_additive_expression (pp, e); |
61ccbcfd GDR |
1941 | } |
1942 | } | |
1943 | ||
12ea3302 GDR |
1944 | /* relational-expression: |
1945 | shift-expression | |
1946 | relational-expression < shift-expression | |
1947 | relational-expression > shift-expression | |
1948 | relational-expression <= shift-expression | |
1949 | relational-expression >= shift-expression */ | |
53de5204 | 1950 | |
61ccbcfd | 1951 | static void |
12ea3302 | 1952 | pp_c_relational_expression (c_pretty_printer *pp, tree e) |
61ccbcfd GDR |
1953 | { |
1954 | enum tree_code code = TREE_CODE (e); | |
1955 | switch (code) | |
1956 | { | |
1957 | case LT_EXPR: | |
1958 | case GT_EXPR: | |
1959 | case LE_EXPR: | |
1960 | case GE_EXPR: | |
12ea3302 GDR |
1961 | pp_c_relational_expression (pp, TREE_OPERAND (e, 0)); |
1962 | pp_c_whitespace (pp); | |
61ccbcfd | 1963 | if (code == LT_EXPR) |
12ea3302 | 1964 | pp_less (pp); |
61ccbcfd | 1965 | else if (code == GT_EXPR) |
12ea3302 | 1966 | pp_greater (pp); |
61ccbcfd | 1967 | else if (code == LE_EXPR) |
137a1a27 | 1968 | pp_less_equal (pp); |
61ccbcfd | 1969 | else if (code == GE_EXPR) |
137a1a27 | 1970 | pp_greater_equal (pp); |
12ea3302 GDR |
1971 | pp_c_whitespace (pp); |
1972 | pp_c_shift_expression (pp, TREE_OPERAND (e, 1)); | |
61ccbcfd GDR |
1973 | break; |
1974 | ||
1975 | default: | |
12ea3302 | 1976 | pp_c_shift_expression (pp, e); |
61ccbcfd GDR |
1977 | break; |
1978 | } | |
1979 | } | |
1980 | ||
12ea3302 GDR |
1981 | /* equality-expression: |
1982 | relational-expression | |
1983 | equality-expression == relational-expression | |
1984 | equality-equality != relational-expression */ | |
53de5204 | 1985 | |
965514bd | 1986 | static void |
12ea3302 | 1987 | pp_c_equality_expression (c_pretty_printer *pp, tree e) |
61ccbcfd GDR |
1988 | { |
1989 | enum tree_code code = TREE_CODE (e); | |
1990 | switch (code) | |
1991 | { | |
1992 | case EQ_EXPR: | |
1993 | case NE_EXPR: | |
12ea3302 GDR |
1994 | pp_c_equality_expression (pp, TREE_OPERAND (e, 0)); |
1995 | pp_c_whitespace (pp); | |
b02cec6e | 1996 | pp_string (pp, code == EQ_EXPR ? "==" : "!="); |
12ea3302 GDR |
1997 | pp_c_whitespace (pp); |
1998 | pp_c_relational_expression (pp, TREE_OPERAND (e, 1)); | |
2f6e4e97 AJ |
1999 | break; |
2000 | ||
61ccbcfd | 2001 | default: |
12ea3302 | 2002 | pp_c_relational_expression (pp, e); |
61ccbcfd GDR |
2003 | break; |
2004 | } | |
2005 | } | |
2006 | ||
12ea3302 GDR |
2007 | /* AND-expression: |
2008 | equality-expression | |
2009 | AND-expression & equality-equality */ | |
53de5204 | 2010 | |
965514bd | 2011 | static void |
12ea3302 | 2012 | pp_c_and_expression (c_pretty_printer *pp, tree e) |
61ccbcfd GDR |
2013 | { |
2014 | if (TREE_CODE (e) == BIT_AND_EXPR) | |
2015 | { | |
12ea3302 GDR |
2016 | pp_c_and_expression (pp, TREE_OPERAND (e, 0)); |
2017 | pp_c_whitespace (pp); | |
2018 | pp_ampersand (pp); | |
2019 | pp_c_whitespace (pp); | |
2020 | pp_c_equality_expression (pp, TREE_OPERAND (e, 1)); | |
61ccbcfd GDR |
2021 | } |
2022 | else | |
12ea3302 | 2023 | pp_c_equality_expression (pp, e); |
61ccbcfd GDR |
2024 | } |
2025 | ||
12ea3302 GDR |
2026 | /* exclusive-OR-expression: |
2027 | AND-expression | |
2028 | exclusive-OR-expression ^ AND-expression */ | |
53de5204 | 2029 | |
965514bd | 2030 | static void |
12ea3302 | 2031 | pp_c_exclusive_or_expression (c_pretty_printer *pp, tree e) |
61ccbcfd | 2032 | { |
6f536f74 JJ |
2033 | if (TREE_CODE (e) == BIT_XOR_EXPR |
2034 | || TREE_CODE (e) == TRUTH_XOR_EXPR) | |
61ccbcfd | 2035 | { |
12ea3302 | 2036 | pp_c_exclusive_or_expression (pp, TREE_OPERAND (e, 0)); |
6f536f74 JJ |
2037 | if (TREE_CODE (e) == BIT_XOR_EXPR) |
2038 | pp_c_maybe_whitespace (pp); | |
2039 | else | |
2040 | pp_c_whitespace (pp); | |
12ea3302 GDR |
2041 | pp_carret (pp); |
2042 | pp_c_whitespace (pp); | |
2043 | pp_c_and_expression (pp, TREE_OPERAND (e, 1)); | |
61ccbcfd GDR |
2044 | } |
2045 | else | |
12ea3302 | 2046 | pp_c_and_expression (pp, e); |
61ccbcfd GDR |
2047 | } |
2048 | ||
12ea3302 GDR |
2049 | /* inclusive-OR-expression: |
2050 | exclusive-OR-expression | |
2051 | inclusive-OR-expression | exclusive-OR-expression */ | |
53de5204 | 2052 | |
965514bd | 2053 | static void |
12ea3302 | 2054 | pp_c_inclusive_or_expression (c_pretty_printer *pp, tree e) |
61ccbcfd GDR |
2055 | { |
2056 | if (TREE_CODE (e) == BIT_IOR_EXPR) | |
2057 | { | |
12ea3302 GDR |
2058 | pp_c_exclusive_or_expression (pp, TREE_OPERAND (e, 0)); |
2059 | pp_c_whitespace (pp); | |
2060 | pp_bar (pp); | |
2061 | pp_c_whitespace (pp); | |
2062 | pp_c_exclusive_or_expression (pp, TREE_OPERAND (e, 1)); | |
61ccbcfd GDR |
2063 | } |
2064 | else | |
12ea3302 | 2065 | pp_c_exclusive_or_expression (pp, e); |
61ccbcfd GDR |
2066 | } |
2067 | ||
12ea3302 GDR |
2068 | /* logical-AND-expression: |
2069 | inclusive-OR-expression | |
2070 | logical-AND-expression && inclusive-OR-expression */ | |
53de5204 | 2071 | |
965514bd | 2072 | static void |
12ea3302 | 2073 | pp_c_logical_and_expression (c_pretty_printer *pp, tree e) |
61ccbcfd | 2074 | { |
6f536f74 JJ |
2075 | if (TREE_CODE (e) == TRUTH_ANDIF_EXPR |
2076 | || TREE_CODE (e) == TRUTH_AND_EXPR) | |
61ccbcfd | 2077 | { |
12ea3302 GDR |
2078 | pp_c_logical_and_expression (pp, TREE_OPERAND (e, 0)); |
2079 | pp_c_whitespace (pp); | |
137a1a27 | 2080 | pp_ampersand_ampersand (pp); |
12ea3302 GDR |
2081 | pp_c_whitespace (pp); |
2082 | pp_c_inclusive_or_expression (pp, TREE_OPERAND (e, 1)); | |
61ccbcfd GDR |
2083 | } |
2084 | else | |
12ea3302 | 2085 | pp_c_inclusive_or_expression (pp, e); |
61ccbcfd GDR |
2086 | } |
2087 | ||
12ea3302 GDR |
2088 | /* logical-OR-expression: |
2089 | logical-AND-expression | |
2090 | logical-OR-expression || logical-AND-expression */ | |
53de5204 | 2091 | |
61ccbcfd | 2092 | void |
12ea3302 | 2093 | pp_c_logical_or_expression (c_pretty_printer *pp, tree e) |
61ccbcfd | 2094 | { |
6f536f74 JJ |
2095 | if (TREE_CODE (e) == TRUTH_ORIF_EXPR |
2096 | || TREE_CODE (e) == TRUTH_OR_EXPR) | |
61ccbcfd | 2097 | { |
12ea3302 GDR |
2098 | pp_c_logical_or_expression (pp, TREE_OPERAND (e, 0)); |
2099 | pp_c_whitespace (pp); | |
137a1a27 | 2100 | pp_bar_bar (pp); |
12ea3302 GDR |
2101 | pp_c_whitespace (pp); |
2102 | pp_c_logical_and_expression (pp, TREE_OPERAND (e, 1)); | |
61ccbcfd GDR |
2103 | } |
2104 | else | |
12ea3302 | 2105 | pp_c_logical_and_expression (pp, e); |
61ccbcfd GDR |
2106 | } |
2107 | ||
12ea3302 GDR |
2108 | /* conditional-expression: |
2109 | logical-OR-expression | |
2110 | logical-OR-expression ? expression : conditional-expression */ | |
53de5204 | 2111 | |
00d34d3a GDR |
2112 | void |
2113 | c_pretty_printer::conditional_expression (tree e) | |
61ccbcfd GDR |
2114 | { |
2115 | if (TREE_CODE (e) == COND_EXPR) | |
2116 | { | |
00d34d3a GDR |
2117 | pp_c_logical_or_expression (this, TREE_OPERAND (e, 0)); |
2118 | pp_c_whitespace (this); | |
2119 | pp_question (this); | |
2120 | pp_c_whitespace (this); | |
20059c8b | 2121 | expression (TREE_OPERAND (e, 1)); |
00d34d3a GDR |
2122 | pp_c_whitespace (this); |
2123 | pp_colon (this); | |
2124 | pp_c_whitespace (this); | |
2125 | conditional_expression (TREE_OPERAND (e, 2)); | |
61ccbcfd GDR |
2126 | } |
2127 | else | |
00d34d3a | 2128 | pp_c_logical_or_expression (this, e); |
61ccbcfd GDR |
2129 | } |
2130 | ||
2131 | ||
12ea3302 GDR |
2132 | /* assignment-expression: |
2133 | conditional-expression | |
9f63daea | 2134 | unary-expression assignment-operator assignment-expression |
12ea3302 GDR |
2135 | |
2136 | assignment-expression: one of | |
2137 | = *= /= %= += -= >>= <<= &= ^= |= */ | |
53de5204 | 2138 | |
00d34d3a GDR |
2139 | void |
2140 | c_pretty_printer::assignment_expression (tree e) | |
61ccbcfd | 2141 | { |
b8698a0f | 2142 | if (TREE_CODE (e) == MODIFY_EXPR |
07beea0d | 2143 | || TREE_CODE (e) == INIT_EXPR) |
61ccbcfd | 2144 | { |
00d34d3a GDR |
2145 | unary_expression (TREE_OPERAND (e, 0)); |
2146 | pp_c_whitespace (this); | |
2147 | pp_equal (this); | |
2148 | pp_space (this); | |
20059c8b | 2149 | expression (TREE_OPERAND (e, 1)); |
61ccbcfd GDR |
2150 | } |
2151 | else | |
00d34d3a | 2152 | conditional_expression (e); |
61ccbcfd GDR |
2153 | } |
2154 | ||
12ea3302 GDR |
2155 | /* expression: |
2156 | assignment-expression | |
2157 | expression , assignment-expression | |
2158 | ||
2159 | Implementation note: instead of going through the usual recursion | |
2160 | chain, I take the liberty of dispatching nodes to the appropriate | |
2161 | functions. This makes some redundancy, but it worths it. That also | |
20059c8b GDR |
2162 | prevents a possible infinite recursion between primary_expression () |
2163 | and expression (). */ | |
53de5204 | 2164 | |
61ccbcfd | 2165 | void |
00d34d3a | 2166 | c_pretty_printer::expression (tree e) |
61ccbcfd GDR |
2167 | { |
2168 | switch (TREE_CODE (e)) | |
2169 | { | |
632f2871 RS |
2170 | case VOID_CST: |
2171 | pp_c_void_constant (this); | |
2172 | break; | |
2173 | ||
61ccbcfd | 2174 | case INTEGER_CST: |
00d34d3a | 2175 | pp_c_integer_constant (this, e); |
61ccbcfd | 2176 | break; |
2f6e4e97 | 2177 | |
61ccbcfd | 2178 | case REAL_CST: |
00d34d3a | 2179 | pp_c_floating_constant (this, e); |
61ccbcfd GDR |
2180 | break; |
2181 | ||
325217ed | 2182 | case FIXED_CST: |
00d34d3a | 2183 | pp_c_fixed_constant (this, e); |
325217ed CF |
2184 | break; |
2185 | ||
61ccbcfd | 2186 | case STRING_CST: |
00d34d3a | 2187 | pp_c_string_literal (this, e); |
61ccbcfd | 2188 | break; |
2f6e4e97 | 2189 | |
12ea3302 | 2190 | case IDENTIFIER_NODE: |
61ccbcfd GDR |
2191 | case FUNCTION_DECL: |
2192 | case VAR_DECL: | |
2193 | case CONST_DECL: | |
2194 | case PARM_DECL: | |
2195 | case RESULT_DECL: | |
2196 | case FIELD_DECL: | |
2197 | case LABEL_DECL: | |
2198 | case ERROR_MARK: | |
00d34d3a | 2199 | primary_expression (e); |
61ccbcfd GDR |
2200 | break; |
2201 | ||
a5952633 | 2202 | case SSA_NAME: |
70b5e7dc RG |
2203 | if (SSA_NAME_VAR (e) |
2204 | && !DECL_ARTIFICIAL (SSA_NAME_VAR (e))) | |
00d34d3a | 2205 | expression (SSA_NAME_VAR (e)); |
a5952633 | 2206 | else |
00d34d3a | 2207 | translate_string ("<unknown>"); |
a5952633 RG |
2208 | break; |
2209 | ||
61ccbcfd GDR |
2210 | case POSTINCREMENT_EXPR: |
2211 | case POSTDECREMENT_EXPR: | |
2212 | case ARRAY_REF: | |
36536d79 | 2213 | case ARRAY_NOTATION_REF: |
61ccbcfd GDR |
2214 | case CALL_EXPR: |
2215 | case COMPONENT_REF: | |
5eddced5 | 2216 | case BIT_FIELD_REF: |
61ccbcfd | 2217 | case COMPLEX_CST: |
53de5204 | 2218 | case COMPLEX_EXPR: |
61ccbcfd | 2219 | case VECTOR_CST: |
bd74419f PB |
2220 | case ORDERED_EXPR: |
2221 | case UNORDERED_EXPR: | |
2222 | case LTGT_EXPR: | |
2223 | case UNEQ_EXPR: | |
2224 | case UNLE_EXPR: | |
2225 | case UNLT_EXPR: | |
2226 | case UNGE_EXPR: | |
2227 | case UNGT_EXPR: | |
76a8ecba GDR |
2228 | case ABS_EXPR: |
2229 | case CONSTRUCTOR: | |
1e6a3e1e | 2230 | case COMPOUND_LITERAL_EXPR: |
1e6a3e1e | 2231 | case VA_ARG_EXPR: |
00d34d3a | 2232 | postfix_expression (e); |
61ccbcfd GDR |
2233 | break; |
2234 | ||
76a8ecba GDR |
2235 | case CONJ_EXPR: |
2236 | case ADDR_EXPR: | |
2237 | case INDIRECT_REF: | |
892f6119 | 2238 | case MEM_REF: |
76a8ecba GDR |
2239 | case NEGATE_EXPR: |
2240 | case BIT_NOT_EXPR: | |
2241 | case TRUTH_NOT_EXPR: | |
2242 | case PREINCREMENT_EXPR: | |
2243 | case PREDECREMENT_EXPR: | |
76a8ecba GDR |
2244 | case REALPART_EXPR: |
2245 | case IMAGPART_EXPR: | |
00d34d3a | 2246 | unary_expression (e); |
76a8ecba GDR |
2247 | break; |
2248 | ||
76a8ecba | 2249 | case FLOAT_EXPR: |
4b780675 | 2250 | case FIX_TRUNC_EXPR: |
1043771b | 2251 | CASE_CONVERT: |
4e37eb44 | 2252 | case VIEW_CONVERT_EXPR: |
00d34d3a | 2253 | pp_c_cast_expression (this, e); |
61ccbcfd GDR |
2254 | break; |
2255 | ||
2256 | case MULT_EXPR: | |
2257 | case TRUNC_MOD_EXPR: | |
2258 | case TRUNC_DIV_EXPR: | |
00d34d3a | 2259 | multiplicative_expression (e); |
61ccbcfd GDR |
2260 | break; |
2261 | ||
2262 | case LSHIFT_EXPR: | |
2263 | case RSHIFT_EXPR: | |
00d34d3a | 2264 | pp_c_shift_expression (this, e); |
61ccbcfd GDR |
2265 | break; |
2266 | ||
2267 | case LT_EXPR: | |
2268 | case GT_EXPR: | |
2269 | case LE_EXPR: | |
2270 | case GE_EXPR: | |
00d34d3a | 2271 | pp_c_relational_expression (this, e); |
61ccbcfd GDR |
2272 | break; |
2273 | ||
2274 | case BIT_AND_EXPR: | |
00d34d3a | 2275 | pp_c_and_expression (this, e); |
61ccbcfd GDR |
2276 | break; |
2277 | ||
2278 | case BIT_XOR_EXPR: | |
6f536f74 | 2279 | case TRUTH_XOR_EXPR: |
00d34d3a | 2280 | pp_c_exclusive_or_expression (this, e); |
61ccbcfd GDR |
2281 | break; |
2282 | ||
2283 | case BIT_IOR_EXPR: | |
00d34d3a | 2284 | pp_c_inclusive_or_expression (this, e); |
61ccbcfd GDR |
2285 | break; |
2286 | ||
2287 | case TRUTH_ANDIF_EXPR: | |
6f536f74 | 2288 | case TRUTH_AND_EXPR: |
00d34d3a | 2289 | pp_c_logical_and_expression (this, e); |
61ccbcfd GDR |
2290 | break; |
2291 | ||
2292 | case TRUTH_ORIF_EXPR: | |
6f536f74 | 2293 | case TRUTH_OR_EXPR: |
00d34d3a | 2294 | pp_c_logical_or_expression (this, e); |
61ccbcfd GDR |
2295 | break; |
2296 | ||
4b780675 GDR |
2297 | case EQ_EXPR: |
2298 | case NE_EXPR: | |
00d34d3a | 2299 | pp_c_equality_expression (this, e); |
4b780675 | 2300 | break; |
9f63daea | 2301 | |
61ccbcfd | 2302 | case COND_EXPR: |
00d34d3a | 2303 | conditional_expression (e); |
61ccbcfd GDR |
2304 | break; |
2305 | ||
d7705934 | 2306 | case POINTER_PLUS_EXPR: |
4b780675 GDR |
2307 | case PLUS_EXPR: |
2308 | case MINUS_EXPR: | |
00d34d3a | 2309 | pp_c_additive_expression (this, e); |
61ccbcfd GDR |
2310 | break; |
2311 | ||
4b780675 GDR |
2312 | case MODIFY_EXPR: |
2313 | case INIT_EXPR: | |
00d34d3a | 2314 | assignment_expression (e); |
61ccbcfd GDR |
2315 | break; |
2316 | ||
2317 | case COMPOUND_EXPR: | |
00d34d3a GDR |
2318 | pp_c_left_paren (this); |
2319 | expression (TREE_OPERAND (e, 0)); | |
2320 | pp_separate_with (this, ','); | |
2321 | assignment_expression (TREE_OPERAND (e, 1)); | |
2322 | pp_c_right_paren (this); | |
61ccbcfd | 2323 | break; |
2f6e4e97 | 2324 | |
4b780675 GDR |
2325 | case NON_LVALUE_EXPR: |
2326 | case SAVE_EXPR: | |
00d34d3a | 2327 | expression (TREE_OPERAND (e, 0)); |
12ea3302 GDR |
2328 | break; |
2329 | ||
2330 | case TARGET_EXPR: | |
00d34d3a | 2331 | postfix_expression (TREE_OPERAND (e, 1)); |
4b780675 | 2332 | break; |
9f63daea | 2333 | |
fb38d8d2 | 2334 | case BIND_EXPR: |
260fda3d | 2335 | case GOTO_EXPR: |
fb38d8d2 JJ |
2336 | /* We don't yet have a way of dumping statements in a |
2337 | human-readable format. */ | |
00d34d3a | 2338 | pp_string (this, "({...})"); |
fb38d8d2 JJ |
2339 | break; |
2340 | ||
f551f80c | 2341 | case C_MAYBE_CONST_EXPR: |
00d34d3a | 2342 | expression (C_MAYBE_CONST_EXPR_EXPR (e)); |
f551f80c JJ |
2343 | break; |
2344 | ||
61ccbcfd | 2345 | default: |
00d34d3a | 2346 | pp_unsupported_tree (this, e); |
61ccbcfd GDR |
2347 | break; |
2348 | } | |
2349 | } | |
2350 | ||
4b780675 | 2351 | |
7ff4a7ef GDR |
2352 | \f |
2353 | /* Statements. */ | |
12ea3302 | 2354 | |
7ff4a7ef | 2355 | void |
8dc70667 | 2356 | c_pretty_printer::statement (tree stmt) |
7ff4a7ef | 2357 | { |
4b780675 GDR |
2358 | if (stmt == NULL) |
2359 | return; | |
5a508662 | 2360 | |
8dc70667 GDR |
2361 | if (pp_needs_newline (this)) |
2362 | pp_newline_and_indent (this, 0); | |
9f63daea | 2363 | |
8dc70667 | 2364 | dump_generic_node (this, stmt, pp_indentation (this), 0, true); |
7ff4a7ef GDR |
2365 | } |
2366 | ||
f076f0ce GDR |
2367 | \f |
2368 | /* Initialize the PRETTY-PRINTER for handling C codes. */ | |
53de5204 | 2369 | |
da6ca2b5 | 2370 | c_pretty_printer::c_pretty_printer () |
20059c8b GDR |
2371 | : pretty_printer (), |
2372 | offset_list (), | |
2373 | flags () | |
da6ca2b5 | 2374 | { |
da6ca2b5 | 2375 | type_specifier_seq = pp_c_specifier_qualifier_list; |
da6ca2b5 GDR |
2376 | ptr_operator = pp_c_pointer; |
2377 | parameter_list = pp_c_parameter_type_list; | |
f076f0ce | 2378 | } |
6de9cd9a DN |
2379 | |
2380 | ||
2381 | /* Print the tree T in full, on file FILE. */ | |
2382 | ||
2383 | void | |
2384 | print_c_tree (FILE *file, tree t) | |
2385 | { | |
e0aec1e9 | 2386 | c_pretty_printer pp; |
da6ca2b5 | 2387 | |
e0aec1e9 GDR |
2388 | pp_needs_newline (&pp) = true; |
2389 | pp.buffer->stream = file; | |
8dc70667 | 2390 | pp.statement (t); |
e0aec1e9 | 2391 | pp_newline_and_flush (&pp); |
6de9cd9a DN |
2392 | } |
2393 | ||
2394 | /* Print the tree T in full, on stderr. */ | |
2395 | ||
24e47c76 | 2396 | DEBUG_FUNCTION void |
6de9cd9a DN |
2397 | debug_c_tree (tree t) |
2398 | { | |
2399 | print_c_tree (stderr, t); | |
2400 | fputc ('\n', stderr); | |
2401 | } | |
2402 | ||
2403 | /* Output the DECL_NAME of T. If T has no DECL_NAME, output a string made | |
2404 | up of T's memory address. */ | |
2405 | ||
2406 | void | |
2407 | pp_c_tree_decl_identifier (c_pretty_printer *pp, tree t) | |
2408 | { | |
2409 | const char *name; | |
2410 | ||
366de0ce | 2411 | gcc_assert (DECL_P (t)); |
6de9cd9a DN |
2412 | |
2413 | if (DECL_NAME (t)) | |
2414 | name = IDENTIFIER_POINTER (DECL_NAME (t)); | |
2415 | else | |
2416 | { | |
2417 | static char xname[8]; | |
34c6743c | 2418 | sprintf (xname, "<U%4x>", ((unsigned)((uintptr_t)(t) & 0xffff))); |
6de9cd9a DN |
2419 | name = xname; |
2420 | } | |
2421 | ||
2422 | pp_c_identifier (pp, name); | |
2423 | } |