Commit | Line | Data |
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c906108c | 1 | /* Chill language support routines for GDB, the GNU debugger. |
b6ba6518 KB |
2 | Copyright 1992, 1993, 1994, 1995, 1996, 2000 |
3 | Free Software Foundation, Inc. | |
c906108c | 4 | |
c5aa993b | 5 | This file is part of GDB. |
c906108c | 6 | |
c5aa993b JM |
7 | This program is free software; you can redistribute it and/or modify |
8 | it under the terms of the GNU General Public License as published by | |
9 | the Free Software Foundation; either version 2 of the License, or | |
10 | (at your option) any later version. | |
c906108c | 11 | |
c5aa993b JM |
12 | This program is distributed in the hope that it will be useful, |
13 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | GNU General Public License for more details. | |
c906108c | 16 | |
c5aa993b JM |
17 | You should have received a copy of the GNU General Public License |
18 | along with this program; if not, write to the Free Software | |
19 | Foundation, Inc., 59 Temple Place - Suite 330, | |
20 | Boston, MA 02111-1307, USA. */ | |
c906108c SS |
21 | |
22 | #include "defs.h" | |
23 | #include "symtab.h" | |
24 | #include "gdbtypes.h" | |
25 | #include "value.h" | |
26 | #include "expression.h" | |
27 | #include "parser-defs.h" | |
28 | #include "language.h" | |
29 | #include "ch-lang.h" | |
745b8ca0 | 30 | #include "valprint.h" |
c906108c | 31 | |
a14ed312 | 32 | extern void _initialize_chill_language (void); |
392a587b | 33 | |
c906108c | 34 | static value_ptr |
a14ed312 KB |
35 | evaluate_subexp_chill (struct type *, struct expression *, int *, |
36 | enum noside); | |
c906108c | 37 | |
a14ed312 | 38 | static value_ptr value_chill_max_min (enum exp_opcode, value_ptr); |
c906108c | 39 | |
a14ed312 | 40 | static value_ptr value_chill_card (value_ptr); |
c906108c | 41 | |
a14ed312 | 42 | static value_ptr value_chill_length (value_ptr); |
c906108c | 43 | |
a14ed312 | 44 | static struct type *chill_create_fundamental_type (struct objfile *, int); |
c906108c | 45 | |
d9fcf2fb JM |
46 | static void chill_printstr (struct ui_file * stream, char *string, |
47 | unsigned int length, int width, | |
48 | int force_ellipses); | |
c906108c | 49 | |
d9fcf2fb | 50 | static void chill_printchar (int, struct ui_file *); |
c906108c SS |
51 | |
52 | /* For now, Chill uses a simple mangling algorithm whereby you simply | |
53 | discard everything after the occurance of two successive CPLUS_MARKER | |
54 | characters to derive the demangled form. */ | |
55 | ||
56 | char * | |
fba45db2 | 57 | chill_demangle (const char *mangled) |
c906108c SS |
58 | { |
59 | const char *joiner = NULL; | |
60 | char *demangled; | |
61 | const char *cp = mangled; | |
62 | ||
63 | while (*cp) | |
64 | { | |
65 | if (is_cplus_marker (*cp)) | |
66 | { | |
67 | joiner = cp; | |
68 | break; | |
69 | } | |
70 | cp++; | |
71 | } | |
72 | if (joiner != NULL && *(joiner + 1) == *joiner) | |
73 | { | |
74 | demangled = savestring (mangled, joiner - mangled); | |
75 | } | |
76 | else | |
77 | { | |
78 | demangled = NULL; | |
79 | } | |
80 | return (demangled); | |
81 | } | |
82 | ||
83 | static void | |
fba45db2 | 84 | chill_printchar (register int c, struct ui_file *stream) |
c906108c SS |
85 | { |
86 | c &= 0xFF; /* Avoid sign bit follies */ | |
87 | ||
88 | if (PRINT_LITERAL_FORM (c)) | |
89 | { | |
90 | if (c == '\'' || c == '^') | |
91 | fprintf_filtered (stream, "'%c%c'", c, c); | |
92 | else | |
93 | fprintf_filtered (stream, "'%c'", c); | |
94 | } | |
95 | else | |
96 | { | |
97 | fprintf_filtered (stream, "'^(%u)'", (unsigned int) c); | |
98 | } | |
99 | } | |
100 | ||
101 | /* Print the character string STRING, printing at most LENGTH characters. | |
102 | Printing stops early if the number hits print_max; repeat counts | |
103 | are printed as appropriate. Print ellipses at the end if we | |
104 | had to stop before printing LENGTH characters, or if FORCE_ELLIPSES. | |
105 | Note that gdb maintains the length of strings without counting the | |
106 | terminating null byte, while chill strings are typically written with | |
107 | an explicit null byte. So we always assume an implied null byte | |
108 | until gdb is able to maintain non-null terminated strings as well | |
109 | as null terminated strings (FIXME). | |
c5aa993b | 110 | */ |
c906108c SS |
111 | |
112 | static void | |
fba45db2 KB |
113 | chill_printstr (struct ui_file *stream, char *string, unsigned int length, |
114 | int width, int force_ellipses) | |
c906108c SS |
115 | { |
116 | register unsigned int i; | |
117 | unsigned int things_printed = 0; | |
118 | int in_literal_form = 0; | |
119 | int in_control_form = 0; | |
120 | int need_slashslash = 0; | |
121 | unsigned int c; | |
c906108c SS |
122 | |
123 | if (length == 0) | |
124 | { | |
125 | fputs_filtered ("\"\"", stream); | |
126 | return; | |
127 | } | |
128 | ||
129 | for (i = 0; i < length && things_printed < print_max; ++i) | |
130 | { | |
131 | /* Position of the character we are examining | |
c5aa993b | 132 | to see whether it is repeated. */ |
c906108c SS |
133 | unsigned int rep1; |
134 | /* Number of repetitions we have detected so far. */ | |
135 | unsigned int reps; | |
136 | ||
137 | QUIT; | |
138 | ||
139 | if (need_slashslash) | |
140 | { | |
141 | fputs_filtered ("//", stream); | |
142 | need_slashslash = 0; | |
143 | } | |
144 | ||
145 | rep1 = i + 1; | |
146 | reps = 1; | |
147 | while (rep1 < length && string[rep1] == string[i]) | |
148 | { | |
149 | ++rep1; | |
150 | ++reps; | |
151 | } | |
152 | ||
153 | c = string[i]; | |
154 | if (reps > repeat_count_threshold) | |
155 | { | |
156 | if (in_control_form || in_literal_form) | |
157 | { | |
158 | if (in_control_form) | |
159 | fputs_filtered (")", stream); | |
160 | fputs_filtered ("\"//", stream); | |
161 | in_control_form = in_literal_form = 0; | |
162 | } | |
163 | chill_printchar (c, stream); | |
164 | fprintf_filtered (stream, "<repeats %u times>", reps); | |
165 | i = rep1 - 1; | |
166 | things_printed += repeat_count_threshold; | |
167 | need_slashslash = 1; | |
168 | } | |
169 | else | |
170 | { | |
c5aa993b | 171 | if (!in_literal_form && !in_control_form) |
c906108c SS |
172 | fputs_filtered ("\"", stream); |
173 | if (PRINT_LITERAL_FORM (c)) | |
174 | { | |
175 | if (!in_literal_form) | |
176 | { | |
177 | if (in_control_form) | |
178 | { | |
179 | fputs_filtered (")", stream); | |
180 | in_control_form = 0; | |
181 | } | |
182 | in_literal_form = 1; | |
183 | } | |
184 | fprintf_filtered (stream, "%c", c); | |
185 | if (c == '"' || c == '^') | |
186 | /* duplicate this one as must be done at input */ | |
187 | fprintf_filtered (stream, "%c", c); | |
188 | } | |
189 | else | |
190 | { | |
191 | if (!in_control_form) | |
192 | { | |
193 | if (in_literal_form) | |
194 | { | |
195 | in_literal_form = 0; | |
196 | } | |
197 | fputs_filtered ("^(", stream); | |
198 | in_control_form = 1; | |
199 | } | |
200 | else | |
201 | fprintf_filtered (stream, ","); | |
202 | c = c & 0xff; | |
203 | fprintf_filtered (stream, "%u", (unsigned int) c); | |
204 | } | |
205 | ++things_printed; | |
206 | } | |
207 | } | |
208 | ||
209 | /* Terminate the quotes if necessary. */ | |
210 | if (in_control_form) | |
211 | { | |
212 | fputs_filtered (")", stream); | |
213 | } | |
214 | if (in_literal_form || in_control_form) | |
215 | { | |
216 | fputs_filtered ("\"", stream); | |
217 | } | |
218 | if (force_ellipses || (i < length)) | |
219 | { | |
220 | fputs_filtered ("...", stream); | |
221 | } | |
222 | } | |
223 | ||
224 | static struct type * | |
fba45db2 | 225 | chill_create_fundamental_type (struct objfile *objfile, int typeid) |
c906108c SS |
226 | { |
227 | register struct type *type = NULL; | |
228 | ||
229 | switch (typeid) | |
230 | { | |
c5aa993b JM |
231 | default: |
232 | /* FIXME: For now, if we are asked to produce a type not in this | |
233 | language, create the equivalent of a C integer type with the | |
234 | name "<?type?>". When all the dust settles from the type | |
235 | reconstruction work, this should probably become an error. */ | |
236 | type = init_type (TYPE_CODE_INT, 2, 0, "<?type?>", objfile); | |
237 | warning ("internal error: no chill fundamental type %d", typeid); | |
238 | break; | |
239 | case FT_VOID: | |
240 | /* FIXME: Currently the GNU Chill compiler emits some DWARF entries for | |
241 | typedefs, unrelated to anything directly in the code being compiled, | |
242 | that have some FT_VOID types. Just fake it for now. */ | |
243 | type = init_type (TYPE_CODE_VOID, 0, 0, "<?VOID?>", objfile); | |
244 | break; | |
245 | case FT_BOOLEAN: | |
246 | type = init_type (TYPE_CODE_BOOL, 1, TYPE_FLAG_UNSIGNED, "BOOL", objfile); | |
247 | break; | |
248 | case FT_CHAR: | |
249 | type = init_type (TYPE_CODE_CHAR, 1, TYPE_FLAG_UNSIGNED, "CHAR", objfile); | |
250 | break; | |
251 | case FT_SIGNED_CHAR: | |
252 | type = init_type (TYPE_CODE_INT, 1, 0, "BYTE", objfile); | |
253 | break; | |
254 | case FT_UNSIGNED_CHAR: | |
255 | type = init_type (TYPE_CODE_INT, 1, TYPE_FLAG_UNSIGNED, "UBYTE", objfile); | |
256 | break; | |
257 | case FT_SHORT: /* Chill ints are 2 bytes */ | |
258 | type = init_type (TYPE_CODE_INT, 2, 0, "INT", objfile); | |
259 | break; | |
260 | case FT_UNSIGNED_SHORT: /* Chill ints are 2 bytes */ | |
261 | type = init_type (TYPE_CODE_INT, 2, TYPE_FLAG_UNSIGNED, "UINT", objfile); | |
262 | break; | |
263 | case FT_INTEGER: /* FIXME? */ | |
264 | case FT_SIGNED_INTEGER: /* FIXME? */ | |
265 | case FT_LONG: /* Chill longs are 4 bytes */ | |
266 | case FT_SIGNED_LONG: /* Chill longs are 4 bytes */ | |
267 | type = init_type (TYPE_CODE_INT, 4, 0, "LONG", objfile); | |
268 | break; | |
269 | case FT_UNSIGNED_INTEGER: /* FIXME? */ | |
270 | case FT_UNSIGNED_LONG: /* Chill longs are 4 bytes */ | |
271 | type = init_type (TYPE_CODE_INT, 4, TYPE_FLAG_UNSIGNED, "ULONG", objfile); | |
272 | break; | |
273 | case FT_FLOAT: | |
274 | type = init_type (TYPE_CODE_FLT, 4, 0, "REAL", objfile); | |
275 | break; | |
276 | case FT_DBL_PREC_FLOAT: | |
277 | type = init_type (TYPE_CODE_FLT, 8, 0, "LONG_REAL", objfile); | |
278 | break; | |
279 | } | |
c906108c SS |
280 | return (type); |
281 | } | |
c906108c | 282 | \f |
c5aa993b | 283 | |
c906108c SS |
284 | /* Table of operators and their precedences for printing expressions. */ |
285 | ||
c5aa993b JM |
286 | static const struct op_print chill_op_print_tab[] = |
287 | { | |
288 | {"AND", BINOP_LOGICAL_AND, PREC_LOGICAL_AND, 0}, | |
289 | {"OR", BINOP_LOGICAL_OR, PREC_LOGICAL_OR, 0}, | |
290 | {"NOT", UNOP_LOGICAL_NOT, PREC_PREFIX, 0}, | |
291 | {"MOD", BINOP_MOD, PREC_MUL, 0}, | |
292 | {"REM", BINOP_REM, PREC_MUL, 0}, | |
293 | {"SIZE", UNOP_SIZEOF, PREC_BUILTIN_FUNCTION, 0}, | |
294 | {"LOWER", UNOP_LOWER, PREC_BUILTIN_FUNCTION, 0}, | |
295 | {"UPPER", UNOP_UPPER, PREC_BUILTIN_FUNCTION, 0}, | |
296 | {"CARD", UNOP_CARD, PREC_BUILTIN_FUNCTION, 0}, | |
297 | {"MAX", UNOP_CHMAX, PREC_BUILTIN_FUNCTION, 0}, | |
298 | {"MIN", UNOP_CHMIN, PREC_BUILTIN_FUNCTION, 0}, | |
299 | {":=", BINOP_ASSIGN, PREC_ASSIGN, 1}, | |
300 | {"=", BINOP_EQUAL, PREC_EQUAL, 0}, | |
301 | {"/=", BINOP_NOTEQUAL, PREC_EQUAL, 0}, | |
302 | {"<=", BINOP_LEQ, PREC_ORDER, 0}, | |
303 | {">=", BINOP_GEQ, PREC_ORDER, 0}, | |
304 | {">", BINOP_GTR, PREC_ORDER, 0}, | |
305 | {"<", BINOP_LESS, PREC_ORDER, 0}, | |
306 | {"+", BINOP_ADD, PREC_ADD, 0}, | |
307 | {"-", BINOP_SUB, PREC_ADD, 0}, | |
308 | {"*", BINOP_MUL, PREC_MUL, 0}, | |
309 | {"/", BINOP_DIV, PREC_MUL, 0}, | |
310 | {"//", BINOP_CONCAT, PREC_PREFIX, 0}, /* FIXME: precedence? */ | |
311 | {"-", UNOP_NEG, PREC_PREFIX, 0}, | |
312 | {"->", UNOP_IND, PREC_SUFFIX, 1}, | |
313 | {"->", UNOP_ADDR, PREC_PREFIX, 0}, | |
314 | {":", BINOP_RANGE, PREC_ASSIGN, 0}, | |
315 | {NULL, 0, 0, 0} | |
c906108c SS |
316 | }; |
317 | \f | |
318 | /* The built-in types of Chill. */ | |
319 | ||
320 | struct type *builtin_type_chill_bool; | |
321 | struct type *builtin_type_chill_char; | |
322 | struct type *builtin_type_chill_long; | |
323 | struct type *builtin_type_chill_ulong; | |
324 | struct type *builtin_type_chill_real; | |
325 | ||
c5aa993b | 326 | struct type **CONST_PTR (chill_builtin_types[]) = |
c906108c SS |
327 | { |
328 | &builtin_type_chill_bool, | |
c5aa993b JM |
329 | &builtin_type_chill_char, |
330 | &builtin_type_chill_long, | |
331 | &builtin_type_chill_ulong, | |
332 | &builtin_type_chill_real, | |
333 | 0 | |
c906108c SS |
334 | }; |
335 | ||
336 | /* Calculate LOWER or UPPER of TYPE. | |
337 | Returns the result as an integer. | |
338 | *RESULT_TYPE is the appropriate type for the result. */ | |
339 | ||
340 | LONGEST | |
fba45db2 KB |
341 | type_lower_upper (enum exp_opcode op, /* Either UNOP_LOWER or UNOP_UPPER */ |
342 | struct type *type, struct type **result_type) | |
c906108c SS |
343 | { |
344 | LONGEST low, high; | |
345 | *result_type = type; | |
346 | CHECK_TYPEDEF (type); | |
347 | switch (TYPE_CODE (type)) | |
348 | { | |
349 | case TYPE_CODE_STRUCT: | |
350 | *result_type = builtin_type_int; | |
351 | if (chill_varying_type (type)) | |
352 | return type_lower_upper (op, TYPE_FIELD_TYPE (type, 1), result_type); | |
353 | break; | |
354 | case TYPE_CODE_ARRAY: | |
355 | case TYPE_CODE_BITSTRING: | |
356 | case TYPE_CODE_STRING: | |
c5aa993b | 357 | type = TYPE_FIELD_TYPE (type, 0); /* Get index type */ |
c906108c SS |
358 | |
359 | /* ... fall through ... */ | |
360 | case TYPE_CODE_RANGE: | |
361 | *result_type = TYPE_TARGET_TYPE (type); | |
362 | return op == UNOP_LOWER ? TYPE_LOW_BOUND (type) : TYPE_HIGH_BOUND (type); | |
363 | ||
364 | case TYPE_CODE_ENUM: | |
365 | case TYPE_CODE_BOOL: | |
366 | case TYPE_CODE_INT: | |
367 | case TYPE_CODE_CHAR: | |
368 | if (get_discrete_bounds (type, &low, &high) >= 0) | |
369 | { | |
370 | *result_type = type; | |
371 | return op == UNOP_LOWER ? low : high; | |
372 | } | |
373 | break; | |
374 | case TYPE_CODE_UNDEF: | |
375 | case TYPE_CODE_PTR: | |
376 | case TYPE_CODE_UNION: | |
377 | case TYPE_CODE_FUNC: | |
378 | case TYPE_CODE_FLT: | |
379 | case TYPE_CODE_VOID: | |
380 | case TYPE_CODE_SET: | |
381 | case TYPE_CODE_ERROR: | |
382 | case TYPE_CODE_MEMBER: | |
383 | case TYPE_CODE_METHOD: | |
384 | case TYPE_CODE_REF: | |
385 | case TYPE_CODE_COMPLEX: | |
386 | default: | |
387 | break; | |
388 | } | |
389 | error ("unknown mode for LOWER/UPPER builtin"); | |
390 | } | |
391 | ||
392 | static value_ptr | |
fba45db2 | 393 | value_chill_length (value_ptr val) |
c906108c SS |
394 | { |
395 | LONGEST tmp; | |
396 | struct type *type = VALUE_TYPE (val); | |
397 | struct type *ttype; | |
398 | CHECK_TYPEDEF (type); | |
399 | switch (TYPE_CODE (type)) | |
400 | { | |
401 | case TYPE_CODE_ARRAY: | |
402 | case TYPE_CODE_BITSTRING: | |
403 | case TYPE_CODE_STRING: | |
404 | tmp = type_lower_upper (UNOP_UPPER, type, &ttype) | |
405 | - type_lower_upper (UNOP_LOWER, type, &ttype) + 1; | |
406 | break; | |
407 | case TYPE_CODE_STRUCT: | |
408 | if (chill_varying_type (type)) | |
409 | { | |
410 | tmp = unpack_long (TYPE_FIELD_TYPE (type, 0), VALUE_CONTENTS (val)); | |
411 | break; | |
412 | } | |
413 | /* ... else fall through ... */ | |
414 | default: | |
415 | error ("bad argument to LENGTH builtin"); | |
416 | } | |
417 | return value_from_longest (builtin_type_int, tmp); | |
418 | } | |
419 | ||
420 | static value_ptr | |
fba45db2 | 421 | value_chill_card (value_ptr val) |
c906108c SS |
422 | { |
423 | LONGEST tmp = 0; | |
424 | struct type *type = VALUE_TYPE (val); | |
425 | CHECK_TYPEDEF (type); | |
426 | ||
427 | if (TYPE_CODE (type) == TYPE_CODE_SET) | |
428 | { | |
429 | struct type *range_type = TYPE_INDEX_TYPE (type); | |
430 | LONGEST lower_bound, upper_bound; | |
431 | int i; | |
432 | ||
433 | get_discrete_bounds (range_type, &lower_bound, &upper_bound); | |
434 | for (i = lower_bound; i <= upper_bound; i++) | |
435 | if (value_bit_index (type, VALUE_CONTENTS (val), i) > 0) | |
436 | tmp++; | |
437 | } | |
438 | else | |
439 | error ("bad argument to CARD builtin"); | |
440 | ||
441 | return value_from_longest (builtin_type_int, tmp); | |
442 | } | |
443 | ||
444 | static value_ptr | |
fba45db2 | 445 | value_chill_max_min (enum exp_opcode op, value_ptr val) |
c906108c SS |
446 | { |
447 | LONGEST tmp = 0; | |
448 | struct type *type = VALUE_TYPE (val); | |
449 | struct type *elttype; | |
450 | CHECK_TYPEDEF (type); | |
451 | ||
452 | if (TYPE_CODE (type) == TYPE_CODE_SET) | |
453 | { | |
454 | LONGEST lower_bound, upper_bound; | |
455 | int i, empty = 1; | |
456 | ||
457 | elttype = TYPE_INDEX_TYPE (type); | |
458 | CHECK_TYPEDEF (elttype); | |
459 | get_discrete_bounds (elttype, &lower_bound, &upper_bound); | |
460 | ||
461 | if (op == UNOP_CHMAX) | |
462 | { | |
463 | for (i = upper_bound; i >= lower_bound; i--) | |
464 | { | |
465 | if (value_bit_index (type, VALUE_CONTENTS (val), i) > 0) | |
466 | { | |
467 | tmp = i; | |
468 | empty = 0; | |
469 | break; | |
470 | } | |
471 | } | |
472 | } | |
473 | else | |
474 | { | |
475 | for (i = lower_bound; i <= upper_bound; i++) | |
476 | { | |
477 | if (value_bit_index (type, VALUE_CONTENTS (val), i) > 0) | |
478 | { | |
479 | tmp = i; | |
480 | empty = 0; | |
481 | break; | |
482 | } | |
483 | } | |
484 | } | |
485 | if (empty) | |
486 | error ("%s for empty powerset", op == UNOP_CHMAX ? "MAX" : "MIN"); | |
487 | } | |
488 | else | |
489 | error ("bad argument to %s builtin", op == UNOP_CHMAX ? "MAX" : "MIN"); | |
490 | ||
491 | return value_from_longest (TYPE_CODE (elttype) == TYPE_CODE_RANGE | |
c5aa993b JM |
492 | ? TYPE_TARGET_TYPE (elttype) |
493 | : elttype, | |
c906108c SS |
494 | tmp); |
495 | } | |
496 | ||
497 | static value_ptr | |
fba45db2 KB |
498 | evaluate_subexp_chill (struct type *expect_type, |
499 | register struct expression *exp, register int *pos, | |
500 | enum noside noside) | |
c906108c SS |
501 | { |
502 | int pc = *pos; | |
503 | struct type *type; | |
504 | int tem, nargs; | |
505 | value_ptr arg1; | |
506 | value_ptr *argvec; | |
507 | enum exp_opcode op = exp->elts[*pos].opcode; | |
508 | switch (op) | |
509 | { | |
510 | case MULTI_SUBSCRIPT: | |
511 | if (noside == EVAL_SKIP) | |
512 | break; | |
513 | (*pos) += 3; | |
514 | nargs = longest_to_int (exp->elts[pc + 1].longconst); | |
515 | arg1 = evaluate_subexp_with_coercion (exp, pos, noside); | |
516 | type = check_typedef (VALUE_TYPE (arg1)); | |
517 | ||
518 | if (nargs == 1 && TYPE_CODE (type) == TYPE_CODE_INT) | |
519 | { | |
520 | /* Looks like string repetition. */ | |
521 | value_ptr string = evaluate_subexp_with_coercion (exp, pos, noside); | |
522 | return value_concat (arg1, string); | |
523 | } | |
524 | ||
525 | switch (TYPE_CODE (type)) | |
526 | { | |
527 | case TYPE_CODE_PTR: | |
528 | type = check_typedef (TYPE_TARGET_TYPE (type)); | |
529 | if (!type || TYPE_CODE (type) != TYPE_CODE_FUNC) | |
530 | error ("reference value used as function"); | |
531 | /* ... fall through ... */ | |
532 | case TYPE_CODE_FUNC: | |
533 | /* It's a function call. */ | |
534 | if (noside == EVAL_AVOID_SIDE_EFFECTS) | |
535 | break; | |
536 | ||
537 | /* Allocate arg vector, including space for the function to be | |
538 | called in argvec[0] and a terminating NULL */ | |
539 | argvec = (value_ptr *) alloca (sizeof (value_ptr) * (nargs + 2)); | |
540 | argvec[0] = arg1; | |
541 | tem = 1; | |
542 | for (; tem <= nargs && tem <= TYPE_NFIELDS (type); tem++) | |
543 | { | |
544 | argvec[tem] | |
c5aa993b | 545 | = evaluate_subexp_chill (TYPE_FIELD_TYPE (type, tem - 1), |
c906108c SS |
546 | exp, pos, noside); |
547 | } | |
548 | for (; tem <= nargs; tem++) | |
549 | argvec[tem] = evaluate_subexp_with_coercion (exp, pos, noside); | |
c5aa993b | 550 | argvec[tem] = 0; /* signal end of arglist */ |
c906108c SS |
551 | |
552 | return call_function_by_hand (argvec[0], nargs, argvec + 1); | |
553 | default: | |
554 | break; | |
555 | } | |
556 | ||
557 | while (nargs-- > 0) | |
558 | { | |
559 | value_ptr index = evaluate_subexp_with_coercion (exp, pos, noside); | |
560 | arg1 = value_subscript (arg1, index); | |
561 | } | |
562 | return (arg1); | |
563 | ||
564 | case UNOP_LOWER: | |
565 | case UNOP_UPPER: | |
566 | (*pos)++; | |
567 | if (noside == EVAL_SKIP) | |
568 | { | |
569 | (*exp->language_defn->evaluate_exp) (NULL_TYPE, exp, pos, EVAL_SKIP); | |
570 | goto nosideret; | |
571 | } | |
572 | arg1 = (*exp->language_defn->evaluate_exp) (NULL_TYPE, exp, pos, | |
573 | EVAL_AVOID_SIDE_EFFECTS); | |
574 | tem = type_lower_upper (op, VALUE_TYPE (arg1), &type); | |
575 | return value_from_longest (type, tem); | |
576 | ||
577 | case UNOP_LENGTH: | |
578 | (*pos)++; | |
579 | arg1 = (*exp->language_defn->evaluate_exp) (NULL_TYPE, exp, pos, noside); | |
580 | return value_chill_length (arg1); | |
581 | ||
582 | case UNOP_CARD: | |
583 | (*pos)++; | |
584 | arg1 = (*exp->language_defn->evaluate_exp) (NULL_TYPE, exp, pos, noside); | |
585 | return value_chill_card (arg1); | |
586 | ||
587 | case UNOP_CHMAX: | |
588 | case UNOP_CHMIN: | |
589 | (*pos)++; | |
590 | arg1 = (*exp->language_defn->evaluate_exp) (NULL_TYPE, exp, pos, noside); | |
591 | return value_chill_max_min (op, arg1); | |
592 | ||
593 | case BINOP_COMMA: | |
594 | error ("',' operator used in invalid context"); | |
595 | ||
596 | default: | |
597 | break; | |
598 | } | |
599 | ||
600 | return evaluate_subexp_standard (expect_type, exp, pos, noside); | |
c5aa993b | 601 | nosideret: |
c906108c SS |
602 | return value_from_longest (builtin_type_long, (LONGEST) 1); |
603 | } | |
604 | ||
c5aa993b JM |
605 | const struct language_defn chill_language_defn = |
606 | { | |
c906108c SS |
607 | "chill", |
608 | language_chill, | |
609 | chill_builtin_types, | |
610 | range_check_on, | |
611 | type_check_on, | |
63872f9d | 612 | case_sensitive_on, |
c906108c SS |
613 | chill_parse, /* parser */ |
614 | chill_error, /* parser error function */ | |
615 | evaluate_subexp_chill, | |
616 | chill_printchar, /* print a character constant */ | |
617 | chill_printstr, /* function to print a string constant */ | |
618 | NULL, /* Function to print a single char */ | |
c5aa993b | 619 | chill_create_fundamental_type, /* Create fundamental type in this language */ |
c906108c SS |
620 | chill_print_type, /* Print a type using appropriate syntax */ |
621 | chill_val_print, /* Print a value using appropriate syntax */ | |
622 | chill_value_print, /* Print a top-levl value */ | |
c5aa993b JM |
623 | {"", "B'", "", ""}, /* Binary format info */ |
624 | {"O'%lo", "O'", "o", ""}, /* Octal format info */ | |
625 | {"D'%ld", "D'", "d", ""}, /* Decimal format info */ | |
626 | {"H'%lx", "H'", "x", ""}, /* Hex format info */ | |
c906108c SS |
627 | chill_op_print_tab, /* expression operators for printing */ |
628 | 0, /* arrays are first-class (not c-style) */ | |
629 | 0, /* String lower bound */ | |
c5aa993b | 630 | &builtin_type_chill_char, /* Type of string elements */ |
c906108c SS |
631 | LANG_MAGIC |
632 | }; | |
633 | ||
634 | /* Initialization for Chill */ | |
635 | ||
636 | void | |
fba45db2 | 637 | _initialize_chill_language (void) |
c906108c SS |
638 | { |
639 | builtin_type_chill_bool = | |
640 | init_type (TYPE_CODE_BOOL, TARGET_CHAR_BIT / TARGET_CHAR_BIT, | |
641 | TYPE_FLAG_UNSIGNED, | |
642 | "BOOL", (struct objfile *) NULL); | |
643 | builtin_type_chill_char = | |
644 | init_type (TYPE_CODE_CHAR, TARGET_CHAR_BIT / TARGET_CHAR_BIT, | |
645 | TYPE_FLAG_UNSIGNED, | |
646 | "CHAR", (struct objfile *) NULL); | |
647 | builtin_type_chill_long = | |
648 | init_type (TYPE_CODE_INT, TARGET_LONG_BIT / TARGET_CHAR_BIT, | |
649 | 0, | |
650 | "LONG", (struct objfile *) NULL); | |
651 | builtin_type_chill_ulong = | |
652 | init_type (TYPE_CODE_INT, TARGET_LONG_BIT / TARGET_CHAR_BIT, | |
653 | TYPE_FLAG_UNSIGNED, | |
654 | "ULONG", (struct objfile *) NULL); | |
655 | builtin_type_chill_real = | |
656 | init_type (TYPE_CODE_FLT, TARGET_DOUBLE_BIT / TARGET_CHAR_BIT, | |
657 | 0, | |
658 | "LONG_REAL", (struct objfile *) NULL); | |
659 | ||
660 | add_language (&chill_language_defn); | |
661 | } |