Commit | Line | Data |
---|---|---|
c906108c | 1 | /* Print in infix form a struct expression. |
1bac305b | 2 | |
197e01b6 | 3 | Copyright (C) 1986, 1988, 1989, 1991, 1992, 1993, 1994, 1995, 1996, 1997, |
1bac305b | 4 | 1998, 1999, 2000, 2003 Free Software Foundation, Inc. |
c906108c | 5 | |
c5aa993b | 6 | This file is part of GDB. |
c906108c | 7 | |
c5aa993b JM |
8 | This program is free software; you can redistribute it and/or modify |
9 | it under the terms of the GNU General Public License as published by | |
10 | the Free Software Foundation; either version 2 of the License, or | |
11 | (at your option) any later version. | |
c906108c | 12 | |
c5aa993b JM |
13 | This program is distributed in the hope that it will be useful, |
14 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | GNU General Public License for more details. | |
c906108c | 17 | |
c5aa993b JM |
18 | You should have received a copy of the GNU General Public License |
19 | along with this program; if not, write to the Free Software | |
197e01b6 EZ |
20 | Foundation, Inc., 51 Franklin Street, Fifth Floor, |
21 | Boston, MA 02110-1301, USA. */ | |
c906108c SS |
22 | |
23 | #include "defs.h" | |
24 | #include "symtab.h" | |
25 | #include "gdbtypes.h" | |
26 | #include "expression.h" | |
27 | #include "value.h" | |
28 | #include "language.h" | |
29 | #include "parser-defs.h" | |
eb8bc282 | 30 | #include "user-regs.h" /* For user_reg_map_regnum_to_name. */ |
82eeeb94 AF |
31 | #include "target.h" |
32 | #include "gdb_string.h" | |
fe898f56 | 33 | #include "block.h" |
9e35dae4 | 34 | #include "objfiles.h" |
c906108c SS |
35 | |
36 | #ifdef HAVE_CTYPE_H | |
37 | #include <ctype.h> | |
38 | #endif | |
39 | ||
c906108c | 40 | void |
fba45db2 | 41 | print_expression (struct expression *exp, struct ui_file *stream) |
c906108c SS |
42 | { |
43 | int pc = 0; | |
44 | print_subexp (exp, &pc, stream, PREC_NULL); | |
45 | } | |
46 | ||
47 | /* Print the subexpression of EXP that starts in position POS, on STREAM. | |
48 | PREC is the precedence of the surrounding operator; | |
49 | if the precedence of the main operator of this subexpression is less, | |
50 | parentheses are needed here. */ | |
51 | ||
5f9769d1 | 52 | void |
f86f5ca3 | 53 | print_subexp (struct expression *exp, int *pos, |
fba45db2 | 54 | struct ui_file *stream, enum precedence prec) |
5f9769d1 PH |
55 | { |
56 | exp->language_defn->la_exp_desc->print_subexp (exp, pos, stream, prec); | |
57 | } | |
58 | ||
59 | /* Standard implementation of print_subexp for use in language_defn | |
60 | vectors. */ | |
61 | void | |
62 | print_subexp_standard (struct expression *exp, int *pos, | |
63 | struct ui_file *stream, enum precedence prec) | |
c906108c | 64 | { |
f86f5ca3 PH |
65 | unsigned tem; |
66 | const struct op_print *op_print_tab; | |
67 | int pc; | |
c906108c | 68 | unsigned nargs; |
f86f5ca3 | 69 | char *op_str; |
c906108c SS |
70 | int assign_modify = 0; |
71 | enum exp_opcode opcode; | |
72 | enum precedence myprec = PREC_NULL; | |
73 | /* Set to 1 for a right-associative operator. */ | |
74 | int assoc = 0; | |
3d6d86c6 | 75 | struct value *val; |
c906108c SS |
76 | char *tempstr = NULL; |
77 | ||
78 | op_print_tab = exp->language_defn->la_op_print_tab; | |
79 | pc = (*pos)++; | |
80 | opcode = exp->elts[pc].opcode; | |
81 | switch (opcode) | |
82 | { | |
c5aa993b | 83 | /* Common ops */ |
c906108c SS |
84 | |
85 | case OP_SCOPE: | |
86 | myprec = PREC_PREFIX; | |
87 | assoc = 0; | |
88 | fputs_filtered (type_name_no_tag (exp->elts[pc + 1].type), stream); | |
89 | fputs_filtered ("::", stream); | |
90 | nargs = longest_to_int (exp->elts[pc + 2].longconst); | |
91 | (*pos) += 4 + BYTES_TO_EXP_ELEM (nargs + 1); | |
92 | fputs_filtered (&exp->elts[pc + 3].string, stream); | |
93 | return; | |
94 | ||
95 | case OP_LONG: | |
96 | (*pos) += 3; | |
97 | value_print (value_from_longest (exp->elts[pc + 1].type, | |
98 | exp->elts[pc + 2].longconst), | |
99 | stream, 0, Val_no_prettyprint); | |
100 | return; | |
101 | ||
102 | case OP_DOUBLE: | |
103 | (*pos) += 3; | |
104 | value_print (value_from_double (exp->elts[pc + 1].type, | |
105 | exp->elts[pc + 2].doubleconst), | |
106 | stream, 0, Val_no_prettyprint); | |
107 | return; | |
108 | ||
109 | case OP_VAR_VALUE: | |
110 | { | |
111 | struct block *b; | |
112 | (*pos) += 3; | |
113 | b = exp->elts[pc + 1].block; | |
114 | if (b != NULL | |
115 | && BLOCK_FUNCTION (b) != NULL | |
de5ad195 | 116 | && SYMBOL_PRINT_NAME (BLOCK_FUNCTION (b)) != NULL) |
c906108c | 117 | { |
de5ad195 | 118 | fputs_filtered (SYMBOL_PRINT_NAME (BLOCK_FUNCTION (b)), stream); |
c906108c SS |
119 | fputs_filtered ("::", stream); |
120 | } | |
de5ad195 | 121 | fputs_filtered (SYMBOL_PRINT_NAME (exp->elts[pc + 2].symbol), stream); |
c906108c SS |
122 | } |
123 | return; | |
124 | ||
125 | case OP_LAST: | |
126 | (*pos) += 2; | |
127 | fprintf_filtered (stream, "$%d", | |
128 | longest_to_int (exp->elts[pc + 1].longconst)); | |
129 | return; | |
130 | ||
131 | case OP_REGISTER: | |
e36180d7 AC |
132 | { |
133 | int regnum = longest_to_int (exp->elts[pc + 1].longconst); | |
eb8bc282 AC |
134 | const char *name = user_reg_map_regnum_to_name (current_gdbarch, |
135 | regnum); | |
e36180d7 | 136 | (*pos) += 2; |
eb8bc282 | 137 | fprintf_filtered (stream, "$%s", name); |
e36180d7 AC |
138 | return; |
139 | } | |
c906108c SS |
140 | |
141 | case OP_BOOL: | |
142 | (*pos) += 2; | |
143 | fprintf_filtered (stream, "%s", | |
144 | longest_to_int (exp->elts[pc + 1].longconst) | |
145 | ? "TRUE" : "FALSE"); | |
146 | return; | |
147 | ||
148 | case OP_INTERNALVAR: | |
149 | (*pos) += 2; | |
150 | fprintf_filtered (stream, "$%s", | |
c5aa993b | 151 | internalvar_name (exp->elts[pc + 1].internalvar)); |
c906108c SS |
152 | return; |
153 | ||
154 | case OP_FUNCALL: | |
155 | (*pos) += 2; | |
156 | nargs = longest_to_int (exp->elts[pc + 1].longconst); | |
157 | print_subexp (exp, pos, stream, PREC_SUFFIX); | |
158 | fputs_filtered (" (", stream); | |
159 | for (tem = 0; tem < nargs; tem++) | |
160 | { | |
161 | if (tem != 0) | |
162 | fputs_filtered (", ", stream); | |
163 | print_subexp (exp, pos, stream, PREC_ABOVE_COMMA); | |
164 | } | |
165 | fputs_filtered (")", stream); | |
166 | return; | |
167 | ||
168 | case OP_NAME: | |
169 | case OP_EXPRSTRING: | |
c5aa993b | 170 | nargs = longest_to_int (exp->elts[pc + 1].longconst); |
c906108c SS |
171 | (*pos) += 3 + BYTES_TO_EXP_ELEM (nargs + 1); |
172 | fputs_filtered (&exp->elts[pc + 2].string, stream); | |
173 | return; | |
174 | ||
175 | case OP_STRING: | |
c5aa993b | 176 | nargs = longest_to_int (exp->elts[pc + 1].longconst); |
c906108c SS |
177 | (*pos) += 3 + BYTES_TO_EXP_ELEM (nargs + 1); |
178 | /* LA_PRINT_STRING will print using the current repeat count threshold. | |
c5aa993b JM |
179 | If necessary, we can temporarily set it to zero, or pass it as an |
180 | additional parameter to LA_PRINT_STRING. -fnf */ | |
c906108c SS |
181 | LA_PRINT_STRING (stream, &exp->elts[pc + 2].string, nargs, 1, 0); |
182 | return; | |
183 | ||
184 | case OP_BITSTRING: | |
c5aa993b | 185 | nargs = longest_to_int (exp->elts[pc + 1].longconst); |
c906108c SS |
186 | (*pos) |
187 | += 3 + BYTES_TO_EXP_ELEM ((nargs + HOST_CHAR_BIT - 1) / HOST_CHAR_BIT); | |
188 | fprintf_unfiltered (stream, "B'<unimplemented>'"); | |
189 | return; | |
190 | ||
82eeeb94 AF |
191 | case OP_OBJC_NSSTRING: /* Objective-C Foundation Class NSString constant. */ |
192 | nargs = longest_to_int (exp->elts[pc + 1].longconst); | |
193 | (*pos) += 3 + BYTES_TO_EXP_ELEM (nargs + 1); | |
194 | fputs_filtered ("@\"", stream); | |
195 | LA_PRINT_STRING (stream, &exp->elts[pc + 2].string, nargs, 1, 0); | |
196 | fputs_filtered ("\"", stream); | |
197 | return; | |
198 | ||
199 | case OP_OBJC_MSGCALL: | |
200 | { /* Objective C message (method) call. */ | |
201 | char *selector; | |
202 | (*pos) += 3; | |
203 | nargs = longest_to_int (exp->elts[pc + 2].longconst); | |
204 | fprintf_unfiltered (stream, "["); | |
205 | print_subexp (exp, pos, stream, PREC_SUFFIX); | |
206 | if (0 == target_read_string (exp->elts[pc + 1].longconst, | |
207 | &selector, 1024, NULL)) | |
208 | { | |
8a3fe4f8 | 209 | error (_("bad selector")); |
82eeeb94 AF |
210 | return; |
211 | } | |
212 | if (nargs) | |
213 | { | |
214 | char *s, *nextS; | |
215 | s = alloca (strlen (selector) + 1); | |
216 | strcpy (s, selector); | |
217 | for (tem = 0; tem < nargs; tem++) | |
218 | { | |
219 | nextS = strchr (s, ':'); | |
220 | *nextS = '\0'; | |
221 | fprintf_unfiltered (stream, " %s: ", s); | |
222 | s = nextS + 1; | |
223 | print_subexp (exp, pos, stream, PREC_ABOVE_COMMA); | |
224 | } | |
225 | } | |
226 | else | |
227 | { | |
228 | fprintf_unfiltered (stream, " %s", selector); | |
229 | } | |
230 | fprintf_unfiltered (stream, "]"); | |
231 | /* "selector" was malloc'd by target_read_string. Free it. */ | |
4ef3f3be | 232 | xfree (selector); |
82eeeb94 AF |
233 | return; |
234 | } | |
235 | ||
c906108c SS |
236 | case OP_ARRAY: |
237 | (*pos) += 3; | |
238 | nargs = longest_to_int (exp->elts[pc + 2].longconst); | |
239 | nargs -= longest_to_int (exp->elts[pc + 1].longconst); | |
240 | nargs++; | |
241 | tem = 0; | |
242 | if (exp->elts[pc + 4].opcode == OP_LONG | |
243 | && exp->elts[pc + 5].type == builtin_type_char | |
244 | && exp->language_defn->la_language == language_c) | |
245 | { | |
246 | /* Attempt to print C character arrays using string syntax. | |
247 | Walk through the args, picking up one character from each | |
248 | of the OP_LONG expression elements. If any array element | |
249 | does not match our expection of what we should find for | |
250 | a simple string, revert back to array printing. Note that | |
251 | the last expression element is an explicit null terminator | |
252 | byte, which doesn't get printed. */ | |
253 | tempstr = alloca (nargs); | |
254 | pc += 4; | |
255 | while (tem < nargs) | |
256 | { | |
257 | if (exp->elts[pc].opcode != OP_LONG | |
258 | || exp->elts[pc + 1].type != builtin_type_char) | |
259 | { | |
260 | /* Not a simple array of char, use regular array printing. */ | |
261 | tem = 0; | |
262 | break; | |
263 | } | |
264 | else | |
265 | { | |
266 | tempstr[tem++] = | |
267 | longest_to_int (exp->elts[pc + 2].longconst); | |
268 | pc += 4; | |
269 | } | |
270 | } | |
271 | } | |
272 | if (tem > 0) | |
273 | { | |
274 | LA_PRINT_STRING (stream, tempstr, nargs - 1, 1, 0); | |
275 | (*pos) = pc; | |
276 | } | |
277 | else | |
278 | { | |
db034ac5 | 279 | fputs_filtered (" {", stream); |
c906108c SS |
280 | for (tem = 0; tem < nargs; tem++) |
281 | { | |
282 | if (tem != 0) | |
283 | { | |
284 | fputs_filtered (", ", stream); | |
285 | } | |
286 | print_subexp (exp, pos, stream, PREC_ABOVE_COMMA); | |
287 | } | |
db034ac5 | 288 | fputs_filtered ("}", stream); |
c906108c SS |
289 | } |
290 | return; | |
291 | ||
292 | case OP_LABELED: | |
293 | tem = longest_to_int (exp->elts[pc + 1].longconst); | |
294 | (*pos) += 3 + BYTES_TO_EXP_ELEM (tem + 1); | |
1b831c93 | 295 | /* Gcc support both these syntaxes. Unsure which is preferred. */ |
c906108c | 296 | #if 1 |
1b831c93 AC |
297 | fputs_filtered (&exp->elts[pc + 2].string, stream); |
298 | fputs_filtered (": ", stream); | |
c906108c | 299 | #else |
1b831c93 AC |
300 | fputs_filtered (".", stream); |
301 | fputs_filtered (&exp->elts[pc + 2].string, stream); | |
302 | fputs_filtered ("=", stream); | |
c906108c | 303 | #endif |
c906108c SS |
304 | print_subexp (exp, pos, stream, PREC_SUFFIX); |
305 | return; | |
306 | ||
307 | case TERNOP_COND: | |
308 | if ((int) prec > (int) PREC_COMMA) | |
309 | fputs_filtered ("(", stream); | |
310 | /* Print the subexpressions, forcing parentheses | |
c5aa993b JM |
311 | around any binary operations within them. |
312 | This is more parentheses than are strictly necessary, | |
313 | but it looks clearer. */ | |
c906108c SS |
314 | print_subexp (exp, pos, stream, PREC_HYPER); |
315 | fputs_filtered (" ? ", stream); | |
316 | print_subexp (exp, pos, stream, PREC_HYPER); | |
317 | fputs_filtered (" : ", stream); | |
318 | print_subexp (exp, pos, stream, PREC_HYPER); | |
319 | if ((int) prec > (int) PREC_COMMA) | |
320 | fputs_filtered (")", stream); | |
321 | return; | |
322 | ||
323 | case TERNOP_SLICE: | |
324 | case TERNOP_SLICE_COUNT: | |
325 | print_subexp (exp, pos, stream, PREC_SUFFIX); | |
326 | fputs_filtered ("(", stream); | |
327 | print_subexp (exp, pos, stream, PREC_ABOVE_COMMA); | |
328 | fputs_filtered (opcode == TERNOP_SLICE ? " : " : " UP ", stream); | |
329 | print_subexp (exp, pos, stream, PREC_ABOVE_COMMA); | |
330 | fputs_filtered (")", stream); | |
331 | return; | |
332 | ||
333 | case STRUCTOP_STRUCT: | |
334 | tem = longest_to_int (exp->elts[pc + 1].longconst); | |
335 | (*pos) += 3 + BYTES_TO_EXP_ELEM (tem + 1); | |
336 | print_subexp (exp, pos, stream, PREC_SUFFIX); | |
337 | fputs_filtered (".", stream); | |
338 | fputs_filtered (&exp->elts[pc + 2].string, stream); | |
339 | return; | |
340 | ||
c5aa993b | 341 | /* Will not occur for Modula-2 */ |
c906108c SS |
342 | case STRUCTOP_PTR: |
343 | tem = longest_to_int (exp->elts[pc + 1].longconst); | |
344 | (*pos) += 3 + BYTES_TO_EXP_ELEM (tem + 1); | |
345 | print_subexp (exp, pos, stream, PREC_SUFFIX); | |
346 | fputs_filtered ("->", stream); | |
347 | fputs_filtered (&exp->elts[pc + 2].string, stream); | |
348 | return; | |
349 | ||
0534816d DJ |
350 | case STRUCTOP_MEMBER: |
351 | print_subexp (exp, pos, stream, PREC_SUFFIX); | |
352 | fputs_filtered (".*", stream); | |
353 | print_subexp (exp, pos, stream, PREC_SUFFIX); | |
354 | return; | |
355 | ||
356 | case STRUCTOP_MPTR: | |
357 | print_subexp (exp, pos, stream, PREC_SUFFIX); | |
358 | fputs_filtered ("->*", stream); | |
359 | print_subexp (exp, pos, stream, PREC_SUFFIX); | |
360 | return; | |
361 | ||
c906108c SS |
362 | case BINOP_SUBSCRIPT: |
363 | print_subexp (exp, pos, stream, PREC_SUFFIX); | |
364 | fputs_filtered ("[", stream); | |
365 | print_subexp (exp, pos, stream, PREC_ABOVE_COMMA); | |
366 | fputs_filtered ("]", stream); | |
367 | return; | |
368 | ||
369 | case UNOP_POSTINCREMENT: | |
370 | print_subexp (exp, pos, stream, PREC_SUFFIX); | |
371 | fputs_filtered ("++", stream); | |
372 | return; | |
373 | ||
374 | case UNOP_POSTDECREMENT: | |
375 | print_subexp (exp, pos, stream, PREC_SUFFIX); | |
376 | fputs_filtered ("--", stream); | |
377 | return; | |
378 | ||
379 | case UNOP_CAST: | |
380 | (*pos) += 2; | |
381 | if ((int) prec > (int) PREC_PREFIX) | |
c5aa993b | 382 | fputs_filtered ("(", stream); |
c906108c SS |
383 | fputs_filtered ("(", stream); |
384 | type_print (exp->elts[pc + 1].type, "", stream, 0); | |
385 | fputs_filtered (") ", stream); | |
386 | print_subexp (exp, pos, stream, PREC_PREFIX); | |
387 | if ((int) prec > (int) PREC_PREFIX) | |
c5aa993b | 388 | fputs_filtered (")", stream); |
c906108c SS |
389 | return; |
390 | ||
391 | case UNOP_MEMVAL: | |
392 | (*pos) += 2; | |
393 | if ((int) prec > (int) PREC_PREFIX) | |
c5aa993b | 394 | fputs_filtered ("(", stream); |
0004e5a2 | 395 | if (TYPE_CODE (exp->elts[pc + 1].type) == TYPE_CODE_FUNC && |
c5aa993b JM |
396 | exp->elts[pc + 3].opcode == OP_LONG) |
397 | { | |
398 | /* We have a minimal symbol fn, probably. It's encoded | |
399 | as a UNOP_MEMVAL (function-type) of an OP_LONG (int, address). | |
400 | Swallow the OP_LONG (including both its opcodes); ignore | |
401 | its type; print the value in the type of the MEMVAL. */ | |
402 | (*pos) += 4; | |
403 | val = value_at_lazy (exp->elts[pc + 1].type, | |
00a4c844 | 404 | (CORE_ADDR) exp->elts[pc + 5].longconst); |
c5aa993b JM |
405 | value_print (val, stream, 0, Val_no_prettyprint); |
406 | } | |
407 | else | |
408 | { | |
409 | fputs_filtered ("{", stream); | |
410 | type_print (exp->elts[pc + 1].type, "", stream, 0); | |
411 | fputs_filtered ("} ", stream); | |
412 | print_subexp (exp, pos, stream, PREC_PREFIX); | |
413 | } | |
c906108c | 414 | if ((int) prec > (int) PREC_PREFIX) |
c5aa993b | 415 | fputs_filtered (")", stream); |
c906108c SS |
416 | return; |
417 | ||
9e35dae4 DJ |
418 | case UNOP_MEMVAL_TLS: |
419 | (*pos) += 3; | |
420 | if ((int) prec > (int) PREC_PREFIX) | |
421 | fputs_filtered ("(", stream); | |
422 | fputs_filtered ("{", stream); | |
423 | type_print (exp->elts[pc + 2].type, "", stream, 0); | |
424 | fputs_filtered ("} ", stream); | |
425 | print_subexp (exp, pos, stream, PREC_PREFIX); | |
426 | if ((int) prec > (int) PREC_PREFIX) | |
427 | fputs_filtered (")", stream); | |
428 | return; | |
429 | ||
c906108c SS |
430 | case BINOP_ASSIGN_MODIFY: |
431 | opcode = exp->elts[pc + 1].opcode; | |
432 | (*pos) += 2; | |
433 | myprec = PREC_ASSIGN; | |
434 | assoc = 1; | |
435 | assign_modify = 1; | |
436 | op_str = "???"; | |
437 | for (tem = 0; op_print_tab[tem].opcode != OP_NULL; tem++) | |
438 | if (op_print_tab[tem].opcode == opcode) | |
439 | { | |
440 | op_str = op_print_tab[tem].string; | |
441 | break; | |
442 | } | |
443 | if (op_print_tab[tem].opcode != opcode) | |
444 | /* Not found; don't try to keep going because we don't know how | |
445 | to interpret further elements. */ | |
8a3fe4f8 | 446 | error (_("Invalid expression")); |
c906108c SS |
447 | break; |
448 | ||
c5aa993b | 449 | /* C++ ops */ |
c906108c SS |
450 | |
451 | case OP_THIS: | |
452 | ++(*pos); | |
453 | fputs_filtered ("this", stream); | |
454 | return; | |
455 | ||
82eeeb94 AF |
456 | /* Objective-C ops */ |
457 | ||
458 | case OP_OBJC_SELF: | |
459 | ++(*pos); | |
460 | fputs_filtered ("self", stream); /* The ObjC equivalent of "this". */ | |
461 | return; | |
462 | ||
c5aa993b | 463 | /* Modula-2 ops */ |
c906108c SS |
464 | |
465 | case MULTI_SUBSCRIPT: | |
466 | (*pos) += 2; | |
467 | nargs = longest_to_int (exp->elts[pc + 1].longconst); | |
468 | print_subexp (exp, pos, stream, PREC_SUFFIX); | |
469 | fprintf_unfiltered (stream, " ["); | |
470 | for (tem = 0; tem < nargs; tem++) | |
471 | { | |
472 | if (tem != 0) | |
473 | fprintf_unfiltered (stream, ", "); | |
474 | print_subexp (exp, pos, stream, PREC_ABOVE_COMMA); | |
475 | } | |
476 | fprintf_unfiltered (stream, "]"); | |
477 | return; | |
478 | ||
479 | case BINOP_VAL: | |
c5aa993b JM |
480 | (*pos) += 2; |
481 | fprintf_unfiltered (stream, "VAL("); | |
482 | type_print (exp->elts[pc + 1].type, "", stream, 0); | |
483 | fprintf_unfiltered (stream, ","); | |
484 | print_subexp (exp, pos, stream, PREC_PREFIX); | |
485 | fprintf_unfiltered (stream, ")"); | |
c906108c | 486 | return; |
c5aa993b | 487 | |
c906108c SS |
488 | case BINOP_INCL: |
489 | case BINOP_EXCL: | |
8a3fe4f8 | 490 | error (_("print_subexp: Not implemented.")); |
c906108c | 491 | |
c5aa993b | 492 | /* Default ops */ |
c906108c SS |
493 | |
494 | default: | |
495 | op_str = "???"; | |
496 | for (tem = 0; op_print_tab[tem].opcode != OP_NULL; tem++) | |
497 | if (op_print_tab[tem].opcode == opcode) | |
498 | { | |
499 | op_str = op_print_tab[tem].string; | |
500 | myprec = op_print_tab[tem].precedence; | |
501 | assoc = op_print_tab[tem].right_assoc; | |
502 | break; | |
503 | } | |
504 | if (op_print_tab[tem].opcode != opcode) | |
505 | /* Not found; don't try to keep going because we don't know how | |
506 | to interpret further elements. For example, this happens | |
507 | if opcode is OP_TYPE. */ | |
8a3fe4f8 | 508 | error (_("Invalid expression")); |
c5aa993b | 509 | } |
c906108c SS |
510 | |
511 | /* Note that PREC_BUILTIN will always emit parentheses. */ | |
512 | if ((int) myprec < (int) prec) | |
513 | fputs_filtered ("(", stream); | |
514 | if ((int) opcode > (int) BINOP_END) | |
515 | { | |
516 | if (assoc) | |
517 | { | |
518 | /* Unary postfix operator. */ | |
519 | print_subexp (exp, pos, stream, PREC_SUFFIX); | |
520 | fputs_filtered (op_str, stream); | |
521 | } | |
522 | else | |
523 | { | |
524 | /* Unary prefix operator. */ | |
525 | fputs_filtered (op_str, stream); | |
526 | if (myprec == PREC_BUILTIN_FUNCTION) | |
527 | fputs_filtered ("(", stream); | |
528 | print_subexp (exp, pos, stream, PREC_PREFIX); | |
529 | if (myprec == PREC_BUILTIN_FUNCTION) | |
530 | fputs_filtered (")", stream); | |
531 | } | |
532 | } | |
533 | else | |
534 | { | |
535 | /* Binary operator. */ | |
536 | /* Print left operand. | |
c5aa993b JM |
537 | If operator is right-associative, |
538 | increment precedence for this operand. */ | |
c906108c SS |
539 | print_subexp (exp, pos, stream, |
540 | (enum precedence) ((int) myprec + assoc)); | |
541 | /* Print the operator itself. */ | |
542 | if (assign_modify) | |
543 | fprintf_filtered (stream, " %s= ", op_str); | |
544 | else if (op_str[0] == ',') | |
545 | fprintf_filtered (stream, "%s ", op_str); | |
546 | else | |
547 | fprintf_filtered (stream, " %s ", op_str); | |
548 | /* Print right operand. | |
c5aa993b JM |
549 | If operator is left-associative, |
550 | increment precedence for this operand. */ | |
c906108c SS |
551 | print_subexp (exp, pos, stream, |
552 | (enum precedence) ((int) myprec + !assoc)); | |
553 | } | |
554 | ||
555 | if ((int) myprec < (int) prec) | |
556 | fputs_filtered (")", stream); | |
557 | } | |
558 | ||
559 | /* Return the operator corresponding to opcode OP as | |
560 | a string. NULL indicates that the opcode was not found in the | |
561 | current language table. */ | |
562 | char * | |
fba45db2 | 563 | op_string (enum exp_opcode op) |
c906108c SS |
564 | { |
565 | int tem; | |
f86f5ca3 | 566 | const struct op_print *op_print_tab; |
c906108c SS |
567 | |
568 | op_print_tab = current_language->la_op_print_tab; | |
569 | for (tem = 0; op_print_tab[tem].opcode != OP_NULL; tem++) | |
570 | if (op_print_tab[tem].opcode == op) | |
571 | return op_print_tab[tem].string; | |
572 | return NULL; | |
573 | } | |
574 | ||
c906108c SS |
575 | /* Support for dumping the raw data from expressions in a human readable |
576 | form. */ | |
577 | ||
5f9769d1 | 578 | static char *op_name (struct expression *, enum exp_opcode); |
24daaebc | 579 | static int dump_subexp_body (struct expression *exp, struct ui_file *, int); |
c906108c | 580 | |
5f9769d1 PH |
581 | /* Name for OPCODE, when it appears in expression EXP. */ |
582 | ||
c906108c | 583 | static char * |
5f9769d1 PH |
584 | op_name (struct expression *exp, enum exp_opcode opcode) |
585 | { | |
586 | return exp->language_defn->la_exp_desc->op_name (opcode); | |
587 | } | |
588 | ||
589 | /* Default name for the standard operator OPCODE (i.e., one defined in | |
590 | the definition of enum exp_opcode). */ | |
591 | ||
592 | char * | |
593 | op_name_standard (enum exp_opcode opcode) | |
c906108c SS |
594 | { |
595 | switch (opcode) | |
596 | { | |
597 | default: | |
598 | { | |
599 | static char buf[30]; | |
600 | ||
601 | sprintf (buf, "<unknown %d>", opcode); | |
602 | return buf; | |
603 | } | |
c5aa993b JM |
604 | case OP_NULL: |
605 | return "OP_NULL"; | |
606 | case BINOP_ADD: | |
607 | return "BINOP_ADD"; | |
608 | case BINOP_SUB: | |
609 | return "BINOP_SUB"; | |
610 | case BINOP_MUL: | |
611 | return "BINOP_MUL"; | |
612 | case BINOP_DIV: | |
613 | return "BINOP_DIV"; | |
614 | case BINOP_REM: | |
615 | return "BINOP_REM"; | |
616 | case BINOP_MOD: | |
617 | return "BINOP_MOD"; | |
618 | case BINOP_LSH: | |
619 | return "BINOP_LSH"; | |
620 | case BINOP_RSH: | |
621 | return "BINOP_RSH"; | |
622 | case BINOP_LOGICAL_AND: | |
623 | return "BINOP_LOGICAL_AND"; | |
624 | case BINOP_LOGICAL_OR: | |
625 | return "BINOP_LOGICAL_OR"; | |
626 | case BINOP_BITWISE_AND: | |
627 | return "BINOP_BITWISE_AND"; | |
628 | case BINOP_BITWISE_IOR: | |
629 | return "BINOP_BITWISE_IOR"; | |
630 | case BINOP_BITWISE_XOR: | |
631 | return "BINOP_BITWISE_XOR"; | |
632 | case BINOP_EQUAL: | |
633 | return "BINOP_EQUAL"; | |
634 | case BINOP_NOTEQUAL: | |
635 | return "BINOP_NOTEQUAL"; | |
636 | case BINOP_LESS: | |
637 | return "BINOP_LESS"; | |
638 | case BINOP_GTR: | |
639 | return "BINOP_GTR"; | |
640 | case BINOP_LEQ: | |
641 | return "BINOP_LEQ"; | |
642 | case BINOP_GEQ: | |
643 | return "BINOP_GEQ"; | |
644 | case BINOP_REPEAT: | |
645 | return "BINOP_REPEAT"; | |
646 | case BINOP_ASSIGN: | |
647 | return "BINOP_ASSIGN"; | |
648 | case BINOP_COMMA: | |
649 | return "BINOP_COMMA"; | |
650 | case BINOP_SUBSCRIPT: | |
651 | return "BINOP_SUBSCRIPT"; | |
652 | case MULTI_SUBSCRIPT: | |
653 | return "MULTI_SUBSCRIPT"; | |
654 | case BINOP_EXP: | |
655 | return "BINOP_EXP"; | |
656 | case BINOP_MIN: | |
657 | return "BINOP_MIN"; | |
658 | case BINOP_MAX: | |
659 | return "BINOP_MAX"; | |
c5aa993b JM |
660 | case STRUCTOP_MEMBER: |
661 | return "STRUCTOP_MEMBER"; | |
662 | case STRUCTOP_MPTR: | |
663 | return "STRUCTOP_MPTR"; | |
664 | case BINOP_INTDIV: | |
665 | return "BINOP_INTDIV"; | |
666 | case BINOP_ASSIGN_MODIFY: | |
667 | return "BINOP_ASSIGN_MODIFY"; | |
668 | case BINOP_VAL: | |
669 | return "BINOP_VAL"; | |
670 | case BINOP_INCL: | |
671 | return "BINOP_INCL"; | |
672 | case BINOP_EXCL: | |
673 | return "BINOP_EXCL"; | |
674 | case BINOP_CONCAT: | |
675 | return "BINOP_CONCAT"; | |
676 | case BINOP_RANGE: | |
677 | return "BINOP_RANGE"; | |
678 | case BINOP_END: | |
679 | return "BINOP_END"; | |
680 | case TERNOP_COND: | |
681 | return "TERNOP_COND"; | |
682 | case TERNOP_SLICE: | |
683 | return "TERNOP_SLICE"; | |
684 | case TERNOP_SLICE_COUNT: | |
685 | return "TERNOP_SLICE_COUNT"; | |
686 | case OP_LONG: | |
687 | return "OP_LONG"; | |
688 | case OP_DOUBLE: | |
689 | return "OP_DOUBLE"; | |
690 | case OP_VAR_VALUE: | |
691 | return "OP_VAR_VALUE"; | |
692 | case OP_LAST: | |
693 | return "OP_LAST"; | |
694 | case OP_REGISTER: | |
695 | return "OP_REGISTER"; | |
696 | case OP_INTERNALVAR: | |
697 | return "OP_INTERNALVAR"; | |
698 | case OP_FUNCALL: | |
699 | return "OP_FUNCALL"; | |
700 | case OP_STRING: | |
701 | return "OP_STRING"; | |
702 | case OP_BITSTRING: | |
703 | return "OP_BITSTRING"; | |
704 | case OP_ARRAY: | |
705 | return "OP_ARRAY"; | |
706 | case UNOP_CAST: | |
707 | return "UNOP_CAST"; | |
708 | case UNOP_MEMVAL: | |
709 | return "UNOP_MEMVAL"; | |
9e35dae4 DJ |
710 | case UNOP_MEMVAL_TLS: |
711 | return "UNOP_MEMVAL_TLS"; | |
c5aa993b JM |
712 | case UNOP_NEG: |
713 | return "UNOP_NEG"; | |
714 | case UNOP_LOGICAL_NOT: | |
715 | return "UNOP_LOGICAL_NOT"; | |
716 | case UNOP_COMPLEMENT: | |
717 | return "UNOP_COMPLEMENT"; | |
718 | case UNOP_IND: | |
719 | return "UNOP_IND"; | |
720 | case UNOP_ADDR: | |
721 | return "UNOP_ADDR"; | |
722 | case UNOP_PREINCREMENT: | |
723 | return "UNOP_PREINCREMENT"; | |
724 | case UNOP_POSTINCREMENT: | |
725 | return "UNOP_POSTINCREMENT"; | |
726 | case UNOP_PREDECREMENT: | |
727 | return "UNOP_PREDECREMENT"; | |
728 | case UNOP_POSTDECREMENT: | |
729 | return "UNOP_POSTDECREMENT"; | |
730 | case UNOP_SIZEOF: | |
731 | return "UNOP_SIZEOF"; | |
732 | case UNOP_LOWER: | |
733 | return "UNOP_LOWER"; | |
734 | case UNOP_UPPER: | |
735 | return "UNOP_UPPER"; | |
736 | case UNOP_LENGTH: | |
737 | return "UNOP_LENGTH"; | |
738 | case UNOP_PLUS: | |
739 | return "UNOP_PLUS"; | |
740 | case UNOP_CAP: | |
741 | return "UNOP_CAP"; | |
742 | case UNOP_CHR: | |
743 | return "UNOP_CHR"; | |
744 | case UNOP_ORD: | |
745 | return "UNOP_ORD"; | |
746 | case UNOP_ABS: | |
747 | return "UNOP_ABS"; | |
748 | case UNOP_FLOAT: | |
749 | return "UNOP_FLOAT"; | |
750 | case UNOP_HIGH: | |
751 | return "UNOP_HIGH"; | |
752 | case UNOP_MAX: | |
753 | return "UNOP_MAX"; | |
754 | case UNOP_MIN: | |
755 | return "UNOP_MIN"; | |
756 | case UNOP_ODD: | |
757 | return "UNOP_ODD"; | |
758 | case UNOP_TRUNC: | |
759 | return "UNOP_TRUNC"; | |
760 | case OP_BOOL: | |
761 | return "OP_BOOL"; | |
762 | case OP_M2_STRING: | |
763 | return "OP_M2_STRING"; | |
764 | case STRUCTOP_STRUCT: | |
765 | return "STRUCTOP_STRUCT"; | |
766 | case STRUCTOP_PTR: | |
767 | return "STRUCTOP_PTR"; | |
768 | case OP_THIS: | |
769 | return "OP_THIS"; | |
82eeeb94 AF |
770 | case OP_OBJC_SELF: |
771 | return "OP_OBJC_SELF"; | |
c5aa993b JM |
772 | case OP_SCOPE: |
773 | return "OP_SCOPE"; | |
774 | case OP_TYPE: | |
775 | return "OP_TYPE"; | |
776 | case OP_LABELED: | |
777 | return "OP_LABELED"; | |
c906108c SS |
778 | } |
779 | } | |
780 | ||
781 | void | |
24daaebc PH |
782 | dump_raw_expression (struct expression *exp, struct ui_file *stream, |
783 | char *note) | |
c906108c SS |
784 | { |
785 | int elt; | |
786 | char *opcode_name; | |
787 | char *eltscan; | |
788 | int eltsize; | |
789 | ||
790 | fprintf_filtered (stream, "Dump of expression @ "); | |
d4f3574e | 791 | gdb_print_host_address (exp, stream); |
9d271fd8 | 792 | fprintf_filtered (stream, "'\n\tLanguage %s, %d elements, %ld bytes each.\n", |
c5aa993b | 793 | exp->language_defn->la_name, exp->nelts, |
9d271fd8 | 794 | (long) sizeof (union exp_element)); |
c906108c SS |
795 | fprintf_filtered (stream, "\t%5s %20s %16s %s\n", "Index", "Opcode", |
796 | "Hex Value", "String Value"); | |
c5aa993b | 797 | for (elt = 0; elt < exp->nelts; elt++) |
c906108c SS |
798 | { |
799 | fprintf_filtered (stream, "\t%5d ", elt); | |
5f9769d1 | 800 | opcode_name = op_name (exp, exp->elts[elt].opcode); |
c906108c SS |
801 | |
802 | fprintf_filtered (stream, "%20s ", opcode_name); | |
c5aa993b | 803 | print_longest (stream, 'd', 0, exp->elts[elt].longconst); |
c906108c SS |
804 | fprintf_filtered (stream, " "); |
805 | ||
806 | for (eltscan = (char *) &exp->elts[elt], | |
c5aa993b | 807 | eltsize = sizeof (union exp_element); |
c906108c SS |
808 | eltsize-- > 0; |
809 | eltscan++) | |
810 | { | |
811 | fprintf_filtered (stream, "%c", | |
812 | isprint (*eltscan) ? (*eltscan & 0xFF) : '.'); | |
813 | } | |
814 | fprintf_filtered (stream, "\n"); | |
815 | } | |
816 | } | |
817 | ||
24daaebc PH |
818 | /* Dump the subexpression of prefix expression EXP whose operator is at |
819 | position ELT onto STREAM. Returns the position of the next | |
820 | subexpression in EXP. */ | |
c906108c | 821 | |
24daaebc | 822 | int |
fba45db2 | 823 | dump_subexp (struct expression *exp, struct ui_file *stream, int elt) |
c906108c SS |
824 | { |
825 | static int indent = 0; | |
826 | int i; | |
827 | ||
828 | fprintf_filtered (stream, "\n"); | |
829 | fprintf_filtered (stream, "\t%5d ", elt); | |
830 | ||
831 | for (i = 1; i <= indent; i++) | |
832 | fprintf_filtered (stream, " "); | |
833 | indent += 2; | |
834 | ||
5f9769d1 | 835 | fprintf_filtered (stream, "%-20s ", op_name (exp, exp->elts[elt].opcode)); |
c906108c | 836 | |
24daaebc PH |
837 | elt = dump_subexp_body (exp, stream, elt); |
838 | ||
839 | indent -= 2; | |
840 | ||
841 | return elt; | |
842 | } | |
843 | ||
844 | /* Dump the operands of prefix expression EXP whose opcode is at | |
845 | position ELT onto STREAM. Returns the position of the next | |
846 | subexpression in EXP. */ | |
847 | ||
848 | static int | |
849 | dump_subexp_body (struct expression *exp, struct ui_file *stream, int elt) | |
5f9769d1 PH |
850 | { |
851 | return exp->language_defn->la_exp_desc->dump_subexp_body (exp, stream, elt); | |
852 | } | |
853 | ||
854 | /* Default value for subexp_body in exp_descriptor vector. */ | |
855 | ||
856 | int | |
857 | dump_subexp_body_standard (struct expression *exp, | |
858 | struct ui_file *stream, int elt) | |
24daaebc PH |
859 | { |
860 | int opcode = exp->elts[elt++].opcode; | |
861 | ||
862 | switch (opcode) | |
c906108c SS |
863 | { |
864 | case TERNOP_COND: | |
865 | case TERNOP_SLICE: | |
866 | case TERNOP_SLICE_COUNT: | |
867 | elt = dump_subexp (exp, stream, elt); | |
868 | case BINOP_ADD: | |
869 | case BINOP_SUB: | |
870 | case BINOP_MUL: | |
871 | case BINOP_DIV: | |
872 | case BINOP_REM: | |
873 | case BINOP_MOD: | |
874 | case BINOP_LSH: | |
875 | case BINOP_RSH: | |
876 | case BINOP_LOGICAL_AND: | |
877 | case BINOP_LOGICAL_OR: | |
878 | case BINOP_BITWISE_AND: | |
879 | case BINOP_BITWISE_IOR: | |
880 | case BINOP_BITWISE_XOR: | |
881 | case BINOP_EQUAL: | |
882 | case BINOP_NOTEQUAL: | |
883 | case BINOP_LESS: | |
884 | case BINOP_GTR: | |
885 | case BINOP_LEQ: | |
886 | case BINOP_GEQ: | |
887 | case BINOP_REPEAT: | |
888 | case BINOP_ASSIGN: | |
889 | case BINOP_COMMA: | |
890 | case BINOP_SUBSCRIPT: | |
891 | case BINOP_EXP: | |
892 | case BINOP_MIN: | |
893 | case BINOP_MAX: | |
c906108c SS |
894 | case BINOP_INTDIV: |
895 | case BINOP_ASSIGN_MODIFY: | |
896 | case BINOP_VAL: | |
897 | case BINOP_INCL: | |
898 | case BINOP_EXCL: | |
899 | case BINOP_CONCAT: | |
900 | case BINOP_IN: | |
901 | case BINOP_RANGE: | |
902 | case BINOP_END: | |
0534816d DJ |
903 | case STRUCTOP_MEMBER: |
904 | case STRUCTOP_MPTR: | |
c906108c SS |
905 | elt = dump_subexp (exp, stream, elt); |
906 | case UNOP_NEG: | |
907 | case UNOP_LOGICAL_NOT: | |
908 | case UNOP_COMPLEMENT: | |
909 | case UNOP_IND: | |
910 | case UNOP_ADDR: | |
911 | case UNOP_PREINCREMENT: | |
912 | case UNOP_POSTINCREMENT: | |
913 | case UNOP_PREDECREMENT: | |
914 | case UNOP_POSTDECREMENT: | |
915 | case UNOP_SIZEOF: | |
916 | case UNOP_PLUS: | |
917 | case UNOP_CAP: | |
918 | case UNOP_CHR: | |
919 | case UNOP_ORD: | |
920 | case UNOP_ABS: | |
921 | case UNOP_FLOAT: | |
922 | case UNOP_HIGH: | |
923 | case UNOP_MAX: | |
924 | case UNOP_MIN: | |
925 | case UNOP_ODD: | |
926 | case UNOP_TRUNC: | |
927 | case UNOP_LOWER: | |
928 | case UNOP_UPPER: | |
929 | case UNOP_LENGTH: | |
930 | case UNOP_CARD: | |
931 | case UNOP_CHMAX: | |
932 | case UNOP_CHMIN: | |
933 | elt = dump_subexp (exp, stream, elt); | |
934 | break; | |
935 | case OP_LONG: | |
d4f3574e SS |
936 | fprintf_filtered (stream, "Type @"); |
937 | gdb_print_host_address (exp->elts[elt].type, stream); | |
938 | fprintf_filtered (stream, " ("); | |
c906108c SS |
939 | type_print (exp->elts[elt].type, NULL, stream, 0); |
940 | fprintf_filtered (stream, "), value %ld (0x%lx)", | |
c5aa993b JM |
941 | (long) exp->elts[elt + 1].longconst, |
942 | (long) exp->elts[elt + 1].longconst); | |
c906108c SS |
943 | elt += 3; |
944 | break; | |
945 | case OP_DOUBLE: | |
d4f3574e SS |
946 | fprintf_filtered (stream, "Type @"); |
947 | gdb_print_host_address (exp->elts[elt].type, stream); | |
948 | fprintf_filtered (stream, " ("); | |
c906108c SS |
949 | type_print (exp->elts[elt].type, NULL, stream, 0); |
950 | fprintf_filtered (stream, "), value %g", | |
c5aa993b | 951 | (double) exp->elts[elt + 1].doubleconst); |
c906108c SS |
952 | elt += 3; |
953 | break; | |
954 | case OP_VAR_VALUE: | |
d4f3574e SS |
955 | fprintf_filtered (stream, "Block @"); |
956 | gdb_print_host_address (exp->elts[elt].block, stream); | |
957 | fprintf_filtered (stream, ", symbol @"); | |
958 | gdb_print_host_address (exp->elts[elt + 1].symbol, stream); | |
959 | fprintf_filtered (stream, " (%s)", | |
22abf04a | 960 | DEPRECATED_SYMBOL_NAME (exp->elts[elt + 1].symbol)); |
c906108c SS |
961 | elt += 3; |
962 | break; | |
963 | case OP_LAST: | |
964 | fprintf_filtered (stream, "History element %ld", | |
c5aa993b | 965 | (long) exp->elts[elt].longconst); |
c906108c SS |
966 | elt += 2; |
967 | break; | |
968 | case OP_REGISTER: | |
969 | fprintf_filtered (stream, "Register %ld", | |
c5aa993b | 970 | (long) exp->elts[elt].longconst); |
c906108c SS |
971 | elt += 2; |
972 | break; | |
973 | case OP_INTERNALVAR: | |
d4f3574e SS |
974 | fprintf_filtered (stream, "Internal var @"); |
975 | gdb_print_host_address (exp->elts[elt].internalvar, stream); | |
976 | fprintf_filtered (stream, " (%s)", | |
c906108c SS |
977 | exp->elts[elt].internalvar->name); |
978 | elt += 2; | |
979 | break; | |
980 | case OP_FUNCALL: | |
981 | { | |
24daaebc | 982 | int i, nargs; |
c906108c SS |
983 | |
984 | nargs = longest_to_int (exp->elts[elt].longconst); | |
985 | ||
986 | fprintf_filtered (stream, "Number of args: %d", nargs); | |
987 | elt += 2; | |
988 | ||
989 | for (i = 1; i <= nargs + 1; i++) | |
990 | elt = dump_subexp (exp, stream, elt); | |
991 | } | |
992 | break; | |
993 | case OP_ARRAY: | |
994 | { | |
995 | int lower, upper; | |
996 | int i; | |
997 | ||
998 | lower = longest_to_int (exp->elts[elt].longconst); | |
999 | upper = longest_to_int (exp->elts[elt + 1].longconst); | |
1000 | ||
1001 | fprintf_filtered (stream, "Bounds [%d:%d]", lower, upper); | |
1002 | elt += 3; | |
1003 | ||
1004 | for (i = 1; i <= upper - lower + 1; i++) | |
1005 | elt = dump_subexp (exp, stream, elt); | |
1006 | } | |
1007 | break; | |
1008 | case UNOP_MEMVAL: | |
1009 | case UNOP_CAST: | |
d4f3574e SS |
1010 | fprintf_filtered (stream, "Type @"); |
1011 | gdb_print_host_address (exp->elts[elt].type, stream); | |
1012 | fprintf_filtered (stream, " ("); | |
c906108c SS |
1013 | type_print (exp->elts[elt].type, NULL, stream, 0); |
1014 | fprintf_filtered (stream, ")"); | |
1015 | elt = dump_subexp (exp, stream, elt + 2); | |
1016 | break; | |
9e35dae4 DJ |
1017 | case UNOP_MEMVAL_TLS: |
1018 | fprintf_filtered (stream, "TLS type @"); | |
1019 | gdb_print_host_address (exp->elts[elt + 1].type, stream); | |
1020 | fprintf_filtered (stream, " (__thread /* \"%s\" */ ", | |
1021 | (exp->elts[elt].objfile == NULL ? "(null)" | |
1022 | : exp->elts[elt].objfile->name)); | |
1023 | type_print (exp->elts[elt + 1].type, NULL, stream, 0); | |
1024 | fprintf_filtered (stream, ")"); | |
1025 | elt = dump_subexp (exp, stream, elt + 3); | |
1026 | break; | |
c906108c | 1027 | case OP_TYPE: |
d4f3574e SS |
1028 | fprintf_filtered (stream, "Type @"); |
1029 | gdb_print_host_address (exp->elts[elt].type, stream); | |
1030 | fprintf_filtered (stream, " ("); | |
c906108c SS |
1031 | type_print (exp->elts[elt].type, NULL, stream, 0); |
1032 | fprintf_filtered (stream, ")"); | |
1033 | elt += 2; | |
1034 | break; | |
1035 | case STRUCTOP_STRUCT: | |
1036 | case STRUCTOP_PTR: | |
1037 | { | |
1038 | char *elem_name; | |
1039 | int len; | |
1040 | ||
1041 | len = longest_to_int (exp->elts[elt].longconst); | |
1042 | elem_name = &exp->elts[elt + 1].string; | |
1043 | ||
1044 | fprintf_filtered (stream, "Element name: `%.*s'", len, elem_name); | |
1045 | elt = dump_subexp (exp, stream, elt + 3 + BYTES_TO_EXP_ELEM (len + 1)); | |
1046 | } | |
1047 | break; | |
1048 | case OP_SCOPE: | |
1049 | { | |
1050 | char *elem_name; | |
1051 | int len; | |
1052 | ||
d4f3574e SS |
1053 | fprintf_filtered (stream, "Type @"); |
1054 | gdb_print_host_address (exp->elts[elt].type, stream); | |
1055 | fprintf_filtered (stream, " ("); | |
c906108c SS |
1056 | type_print (exp->elts[elt].type, NULL, stream, 0); |
1057 | fprintf_filtered (stream, ") "); | |
1058 | ||
1059 | len = longest_to_int (exp->elts[elt + 1].longconst); | |
1060 | elem_name = &exp->elts[elt + 2].string; | |
1061 | ||
1062 | fprintf_filtered (stream, "Field name: `%.*s'", len, elem_name); | |
1063 | elt += 4 + BYTES_TO_EXP_ELEM (len + 1); | |
1064 | } | |
1065 | break; | |
1066 | default: | |
1067 | case OP_NULL: | |
c906108c SS |
1068 | case MULTI_SUBSCRIPT: |
1069 | case OP_F77_UNDETERMINED_ARGLIST: | |
1070 | case OP_COMPLEX: | |
1071 | case OP_STRING: | |
1072 | case OP_BITSTRING: | |
1073 | case OP_BOOL: | |
1074 | case OP_M2_STRING: | |
1075 | case OP_THIS: | |
1076 | case OP_LABELED: | |
1077 | case OP_NAME: | |
1078 | case OP_EXPRSTRING: | |
1079 | fprintf_filtered (stream, "Unknown format"); | |
1080 | } | |
1081 | ||
c906108c SS |
1082 | return elt; |
1083 | } | |
1084 | ||
1085 | void | |
24daaebc | 1086 | dump_prefix_expression (struct expression *exp, struct ui_file *stream) |
c906108c SS |
1087 | { |
1088 | int elt; | |
1089 | ||
1090 | fprintf_filtered (stream, "Dump of expression @ "); | |
d4f3574e | 1091 | gdb_print_host_address (exp, stream); |
24daaebc | 1092 | fputs_filtered (", after conversion to prefix form:\nExpression: `", stream); |
c906108c SS |
1093 | if (exp->elts[0].opcode != OP_TYPE) |
1094 | print_expression (exp, stream); | |
1095 | else | |
1096 | fputs_filtered ("Type printing not yet supported....", stream); | |
9d271fd8 | 1097 | fprintf_filtered (stream, "'\n\tLanguage %s, %d elements, %ld bytes each.\n", |
c5aa993b | 1098 | exp->language_defn->la_name, exp->nelts, |
9d271fd8 | 1099 | (long) sizeof (union exp_element)); |
c906108c SS |
1100 | fputs_filtered ("\n", stream); |
1101 | ||
c5aa993b | 1102 | for (elt = 0; elt < exp->nelts;) |
c906108c SS |
1103 | elt = dump_subexp (exp, stream, elt); |
1104 | fputs_filtered ("\n", stream); | |
1105 | } |