irio.c 42.5 KB
Newer Older
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
/*
 * Copyright (C) 1995-2009 University of Karlsruhe.  All right reserved.
 *
 * This file is part of libFirm.
 *
 * This file may be distributed and/or modified under the terms of the
 * GNU General Public License version 2 as published by the Free Software
 * Foundation and appearing in the file LICENSE.GPL included in the
 * packaging of this file.
 *
 * Licensees holding valid libFirm Professional Edition licenses may use
 * this file in accordance with the libFirm Commercial License.
 * Agreement provided with the Software.
 *
 * This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
 * WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE.
 */

/**
 * @file
 * @brief   Write textual representation of firm to file.
 * @author  Moritz Kroll
 * @version $Id$
 */
#include "config.h"

#include <string.h>
29
30
31
#include <ctype.h>
#include <stdbool.h>
#include <stdarg.h>
32
33
34

#include "irio.h"

35
#include "irnode_t.h"
36
37
38
39
40
41
42
43
44
#include "irprog.h"
#include "irgraph_t.h"
#include "ircons.h"
#include "irgmod.h"
#include "irflag_t.h"
#include "irgwalk.h"
#include "tv.h"
#include "array.h"
#include "error.h"
45
#include "typerep.h"
46
#include "adt/set.h"
47
#include "adt/obst.h"
48

49
#define SYMERROR ((unsigned) ~0)
50

Moritz Kroll's avatar
Moritz Kroll committed
51
typedef struct io_env_t
52
{
53
	int c;                /**< currently read char */
54
	FILE *file;
55
	set *idset;           /**< id_entry set, which maps from file ids to new Firm elements */
56
	int ignoreblocks;
57
58
	const char *inputname;
	int line;
59
	ir_type **fixedtypes;
60
	struct obstack obst;
61
	ir_graph *irg;
62
63
64
65
66
67
} io_env_t;

typedef enum typetag_t
{
	tt_align,
	tt_allocation,
68
	tt_builtin,
69
	tt_cond_jmp_predicate,
70
71
	tt_initializer,
	tt_iro,
72
	tt_keyword,
73
	tt_mode_sort,
74
	tt_mode_arithmetic,
75
	tt_pin_state,
76
	tt_tpo,
77
	tt_type_state,
78
	tt_volatility,
Matthias Braun's avatar
Matthias Braun committed
79
	tt_linkage,
80
81
	tt_segment,
	tt_visibility
82
83
} typetag_t;

84
85
86
87
88
typedef enum keyword_t
{
	kw_constirg,
	kw_entity,
	kw_irg,
89
90
	kw_mode,
	kw_modes,
91
	kw_type,
92
93
94
	kw_typegraph,
	kw_program,
	kw_segment_type
95
96
} keyword_t;

97
typedef struct symbol_t
98
{
99
100
101
102
	const char *str;      /**< The name of this symbol. */
	typetag_t   typetag;  /**< The type tag of this symbol. */
	unsigned    code;     /**< The value of this symbol. */
} symbol_t;
103
104
105
106
107
108
109

typedef struct id_entry
{
	long id;
	void *elem;
} id_entry;

110
111
/** The symbol table, a set of symbol_t elements. */
static set *symtbl;
112

113
114
115
116
/**
 * Compare two symbol table entries.
 */
static int symbol_cmp(const void *elt, const void *key, size_t size)
117
{
118
	int res;
119
120
	const symbol_t *entry = (const symbol_t *) elt;
	const symbol_t *keyentry = (const symbol_t *) key;
121
	(void) size;
122
	res = entry->typetag - keyentry->typetag;
Michael Beck's avatar
Michael Beck committed
123
	if (res) return res;
124
125
126
127
128
129
130
131
132
133
134
	return strcmp(entry->str, keyentry->str);
}

static int id_cmp(const void *elt, const void *key, size_t size)
{
	const id_entry *entry = (const id_entry *) elt;
	const id_entry *keyentry = (const id_entry *) key;
	(void) size;
	return entry->id - keyentry->id;
}

135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
static void __attribute__((format(printf, 2, 3)))
parse_error(io_env_t *env, const char *fmt, ...)
{
	va_list ap;
	int     line = env->line;

	/* workaround read_c "feature" that a '\n' triggers the line++
	 * instead of the character after the '\n' */
	if (env->c == '\n') {
		line--;
	}

	fprintf(stderr, "%s:%d: error ", env->inputname, line);

	va_start(ap, fmt);
	vfprintf(stderr, fmt, ap);
	va_end(ap);
}

154
155
/** Initializes the symbol table. May be called more than once without problems. */
static void symtbl_init(void)
156
{
157
	symbol_t key;
158
159

	/* Only initialize once */
Michael Beck's avatar
Michael Beck committed
160
	if (symtbl != NULL)
161
		return;
162

163
	symtbl = new_set(symbol_cmp, 256);
164

165
#define INSERT(tt, s, cod)                                       \
166
167
168
	key.str = (s);                                               \
	key.typetag = (tt);                                          \
	key.code = (cod);                                            \
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
	set_insert(symtbl, &key, sizeof(key), firm_fnv_hash_str(s) + tt * 17)

#define INSERTENUM(tt, e) INSERT(tt, #e, e)
#define INSERTKEYWORD(k) INSERT(tt_keyword, #k, kw_##k)

	INSERT(tt_tpo, "array", tpo_array);
	INSERT(tt_tpo, "class", tpo_class);
	INSERT(tt_tpo, "method", tpo_method);
	INSERT(tt_tpo, "pointer", tpo_pointer);
	INSERT(tt_tpo, "primitive", tpo_primitive);
	INSERT(tt_tpo, "struct", tpo_struct);
	INSERT(tt_tpo, "union", tpo_union);
	INSERT(tt_tpo, "Unknown", tpo_unknown);

	INSERT(tt_mode_sort, "auxiliary", irms_auxiliary);
	INSERT(tt_mode_sort, "control_flow", irms_control_flow);
	INSERT(tt_mode_sort, "memory", irms_memory);
	INSERT(tt_mode_sort, "internal_boolean", irms_internal_boolean);
	INSERT(tt_mode_sort, "reference", irms_reference);
	INSERT(tt_mode_sort, "int_number", irms_int_number);
	INSERT(tt_mode_sort, "float_number", irms_float_number);

	INSERT(tt_segment, "global", IR_SEGMENT_GLOBAL);
	INSERT(tt_segment, "thread_local", IR_SEGMENT_THREAD_LOCAL);
	INSERT(tt_segment, "constructors", IR_SEGMENT_CONSTRUCTORS);
	INSERT(tt_segment, "destructors", IR_SEGMENT_DESTRUCTORS);
195

Matthias Braun's avatar
Matthias Braun committed
196
197
198
199
200
201
	INSERT(tt_linkage, "constant", IR_LINKAGE_CONSTANT);
	INSERT(tt_linkage, "weak", IR_LINKAGE_WEAK);
	INSERT(tt_linkage, "garbage_collect", IR_LINKAGE_GARBAGE_COLLECT);
	INSERT(tt_linkage, "merge", IR_LINKAGE_MERGE);
	INSERT(tt_linkage, "hidden_user", IR_LINKAGE_HIDDEN_USER);

202
203
204
	INSERT(tt_visibility, "local", ir_visibility_local);
	INSERT(tt_visibility, "external", ir_visibility_external);
	INSERT(tt_visibility, "default", ir_visibility_default);
205
	INSERT(tt_visibility, "private", ir_visibility_private);
206

207
208
209
	INSERTKEYWORD(constirg);
	INSERTKEYWORD(entity);
	INSERTKEYWORD(irg);
210
211
	INSERTKEYWORD(mode);
	INSERTKEYWORD(modes);
212
213
	INSERTKEYWORD(type);
	INSERTKEYWORD(typegraph);
214
215
	INSERTKEYWORD(program);
	INSERTKEYWORD(segment_type);
216

217
218
219
220
221
#include "gen_irio_lex.inl"

	INSERTENUM(tt_align, align_non_aligned);
	INSERTENUM(tt_align, align_is_aligned);

222
223
224
	INSERTENUM(tt_builtin, ir_bk_trap);
	INSERTENUM(tt_builtin, ir_bk_debugbreak);
	INSERTENUM(tt_builtin, ir_bk_return_address);
225
	INSERTENUM(tt_builtin, ir_bk_frame_address);
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
	INSERTENUM(tt_builtin, ir_bk_prefetch);
	INSERTENUM(tt_builtin, ir_bk_ffs);
	INSERTENUM(tt_builtin, ir_bk_clz);
	INSERTENUM(tt_builtin, ir_bk_ctz);
	INSERTENUM(tt_builtin, ir_bk_popcount);
	INSERTENUM(tt_builtin, ir_bk_parity);
	INSERTENUM(tt_builtin, ir_bk_bswap);
	INSERTENUM(tt_builtin, ir_bk_inport);
	INSERTENUM(tt_builtin, ir_bk_outport);
	INSERTENUM(tt_builtin, ir_bk_inner_trampoline);

	INSERTENUM(tt_cond_jmp_predicate, COND_JMP_PRED_NONE);
	INSERTENUM(tt_cond_jmp_predicate, COND_JMP_PRED_TRUE);
	INSERTENUM(tt_cond_jmp_predicate, COND_JMP_PRED_FALSE);

	INSERTENUM(tt_initializer, IR_INITIALIZER_CONST);
	INSERTENUM(tt_initializer, IR_INITIALIZER_TARVAL);
	INSERTENUM(tt_initializer, IR_INITIALIZER_NULL);
	INSERTENUM(tt_initializer, IR_INITIALIZER_COMPOUND);

246
247
248
249
250
251
252
253
	INSERTENUM(tt_mode_arithmetic, irma_uninitialized);
	INSERTENUM(tt_mode_arithmetic, irma_none);
	INSERTENUM(tt_mode_arithmetic, irma_twos_complement);
	INSERTENUM(tt_mode_arithmetic, irma_ones_complement);
	INSERTENUM(tt_mode_arithmetic, irma_int_BCD);
	INSERTENUM(tt_mode_arithmetic, irma_ieee754);
	INSERTENUM(tt_mode_arithmetic, irma_float_BCD);

254
255
256
257
258
259
260
261
262
263
264
	INSERTENUM(tt_pin_state, op_pin_state_floats);
	INSERTENUM(tt_pin_state, op_pin_state_pinned);
	INSERTENUM(tt_pin_state, op_pin_state_exc_pinned);
	INSERTENUM(tt_pin_state, op_pin_state_mem_pinned);

	INSERTENUM(tt_type_state, layout_undefined);
	INSERTENUM(tt_type_state, layout_fixed);

	INSERTENUM(tt_volatility, volatility_non_volatile);
	INSERTENUM(tt_volatility, volatility_is_volatile);

265
#undef INSERTKEYWORD
266
267
268
269
#undef INSERTENUM
#undef INSERT
}

270
271
272
273
274
275
276
277
278
279
280
static const char *get_segment_name(ir_segment_t segment)
{
	switch (segment) {
	case IR_SEGMENT_GLOBAL:       return "global";
	case IR_SEGMENT_THREAD_LOCAL: return "thread_local";
	case IR_SEGMENT_CONSTRUCTORS: return "constructors";
	case IR_SEGMENT_DESTRUCTORS:  return "destructors";
	}
	return "INVALID_SEGMENT";
}

281
282
283
284
285
286
287
288
289
290
291
static const char *get_visibility_name(ir_visibility visibility)
{
	switch (visibility) {
	case ir_visibility_local:    return "local";
	case ir_visibility_external: return "external";
	case ir_visibility_default:  return "default";
	case ir_visibility_private:  return "private";
	}
	return "INVALID_VISIBILITY";
}

292
293
/** Returns the according symbol value for the given string and tag, or SYMERROR if none was found. */
static unsigned symbol(const char *str, typetag_t typetag)
294
{
295
	symbol_t key, *entry;
296
297

	key.str = str;
298
	key.typetag = typetag;
299

300
	entry = (symbol_t*)set_find(symtbl, &key, sizeof(key), firm_fnv_hash_str(str) + typetag * 17);
301
	return entry ? entry->code : SYMERROR;
302
303
304
305
306
307
308
}

static void *get_id(io_env_t *env, long id)
{
	id_entry key, *entry;
	key.id = id;

309
	entry = (id_entry*)set_find(env->idset, &key, sizeof(key), (unsigned) id);
310
311
312
313
314
315
316
317
318
319
320
	return entry ? entry->elem : NULL;
}

static void set_id(io_env_t *env, long id, void *elem)
{
	id_entry key;
	key.id = id;
	key.elem = elem;
	set_insert(env->idset, &key, sizeof(key), (unsigned) id);
}

321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
static void write_long(io_env_t *env, long value)
{
	fprintf(env->file, "%ld ", value);
}

static void write_int(io_env_t *env, int value)
{
	fprintf(env->file, "%d ", value);
}

static void write_unsigned(io_env_t *env, unsigned value)
{
	fprintf(env->file, "%u ", value);
}

static void write_entity_ref(io_env_t *env, ir_entity *entity)
{
	write_long(env, get_entity_nr(entity));
}

static void write_type_ref(io_env_t *env, ir_type *type)
{
	write_long(env, get_type_nr(type));
}

346
347
348
349
350
351
static void write_mode(io_env_t *env, ir_mode *mode)
{
	fputs(get_mode_name(mode), env->file);
	fputc(' ', env->file);
}

Matthias Braun's avatar
Matthias Braun committed
352
static void write_tarval(io_env_t *env, ir_tarval *tv)
353
354
355
356
357
358
359
360
{
	char buf[1024];
	write_mode(env, get_tarval_mode(tv));
	tarval_snprintf(buf, sizeof(buf), tv);
	fputs(buf, env->file);
	fputc(' ', env->file);
}

361
362
363
364
static void write_align(io_env_t *env, ir_node *irn)
{
	ir_align align;

Michael Beck's avatar
Michael Beck committed
365
366
367
368
369
370
	if (is_Load(irn))
		align = get_Load_align(irn);
	else if (is_Store(irn))
		align = get_Store_align(irn);
	else
		panic("Invalid optype for write_align");
371
372
373
374
375

	fputs(get_align_name(align), env->file);
	fputc(' ', env->file);
}

376
377
378
379
380
381
static void write_builtin_kind(io_env_t *env, ir_node *irn)
{
	fputs(get_builtin_kind_name(get_Builtin_kind(irn)), env->file);
	fputc(' ', env->file);
}

382
383
384
385
386
387
static void write_cond_jmp_predicate(io_env_t *env, ir_node *irn)
{
	fputs(get_cond_jmp_predicate_name(get_Cond_jmp_pred(irn)), env->file);
	fputc(' ', env->file);
}

388
389
390
391
static void write_initializer(io_env_t *env, ir_initializer_t *ini)
{
	FILE *f = env->file;
	ir_initializer_kind_t ini_kind = get_initializer_kind(ini);
392

393
394
395
	fputs(get_initializer_kind_name(ini_kind), f);
	fputc(' ', f);

396
397
	switch (ini_kind) {
	case IR_INITIALIZER_CONST:
398
		write_long(env, get_irn_node_nr(get_initializer_const_value(ini)));
399
		break;
400

401
402
403
	case IR_INITIALIZER_TARVAL:
		write_tarval(env, get_initializer_tarval_value(ini));
		break;
404

405
406
	case IR_INITIALIZER_NULL:
		break;
407

408
409
	case IR_INITIALIZER_COMPOUND: {
		unsigned i, n = get_initializer_compound_n_entries(ini);
410
		fprintf(f, "%u ", n);
411
412
413
414
		for (i = 0; i < n; i++)
			write_initializer(env, get_initializer_compound_value(ini, i));
		break;
	}
415

416
417
	default:
		panic("Unknown initializer kind");
418
419
420
	}
}

421
422
423
424
425
426
427
428
429
430
static void write_pin_state(io_env_t *env, ir_node *irn)
{
	fputs(get_op_pin_state_name(get_irn_pinned(irn)), env->file);
	fputc(' ', env->file);
}

static void write_volatility(io_env_t *env, ir_node *irn)
{
	ir_volatility vol;

Michael Beck's avatar
Michael Beck committed
431
432
433
434
435
436
	if (is_Load(irn))
		vol = get_Load_volatility(irn);
	else if (is_Store(irn))
		vol = get_Store_volatility(irn);
	else
		panic("Invalid optype for write_volatility");
437
438
439
440
441

	fputs(get_volatility_name(vol), env->file);
	fputc(' ', env->file);
}

442
static void export_type_common(io_env_t *env, ir_type *tp)
443
{
444
	fprintf(env->file, "\ttype %ld %s %u %u %s %u ",
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
	        get_type_nr(tp),
	        get_type_tpop_name(tp),
	        get_type_size_bytes(tp),
	        get_type_alignment_bytes(tp),
	        get_type_state_name(get_type_state(tp)),
	        tp->flags);
}

static void export_compound_name(FILE *f, const ir_type *tp)
{
	ident *name = get_compound_ident(tp);
	if (name == NULL) {
		fputs("NULL ", f);
	} else {
		fprintf(f, "\"%s\" ", get_id_str(name));
	}
461
462
463
464
465
466
}

static void export_type_pre(io_env_t *env, ir_type *tp)
{
	FILE *f = env->file;

Michael Beck's avatar
Michael Beck committed
467
	/* skip types to be handled by post walker */
468
469
470
471
472
473
474
	switch (get_type_tpop_code(tp)) {
	case tpo_array:
	case tpo_method:
	case tpo_pointer:
		return;
	default:
		break;
475
476
477
478
	}

	export_type_common(env, tp);

479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
	switch (get_type_tpop_code(tp)) {
	case tpo_uninitialized:
		panic("invalid type found");

	case tpo_class:
		export_compound_name(f, tp);
		break;

	case tpo_primitive:
		write_mode(env, get_type_mode(tp));
		break;

	case tpo_union:
	case tpo_struct:
	case tpo_enumeration:
		export_compound_name(f, tp);
		break;

	case tpo_array:
	case tpo_method:
	case tpo_pointer:
	case tpo_code:
	case tpo_none:
	case tpo_unknown:
		break;
504
505
506
507
508
509
510
	}
	fputc('\n', f);
}

static void export_type_post(io_env_t *env, ir_type *tp)
{
	FILE *f = env->file;
511
	int i;
512

Michael Beck's avatar
Michael Beck committed
513
	/* skip types already handled by pre walker */
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
	switch (get_type_tpop_code(tp)) {
	case tpo_class:
	case tpo_primitive:
	case tpo_struct:
	case tpo_union:
	case tpo_unknown:
	case tpo_uninitialized:
	case tpo_code:
	case tpo_none:
		return;
	case tpo_array:
	case tpo_method:
	case tpo_pointer:
	case tpo_enumeration:
		break;
529
530
531
	}

	export_type_common(env, tp);
532

533
534
535
536
537
538
539
540
541
	switch (get_type_tpop_code(tp)) {
	case tpo_array: {
		int n = get_array_n_dimensions(tp);
		fprintf(f, "%d %ld ", n, get_type_nr(get_array_element_type(tp)));
		for (i = 0; i < n; i++) {
			ir_node *lower = get_array_lower_bound(tp, i);
			ir_node *upper = get_array_upper_bound(tp, i);

			if (is_Const(lower))
542
				write_long(env, get_tarval_long(get_Const_tarval(lower)));
543
544
545
546
			else
				panic("Lower array bound is not constant");

			if (is_Const(upper))
547
				write_long(env, get_tarval_long(get_Const_tarval(upper)));
548
549
550
551
552
553
554
			else if (is_Unknown(upper))
				fputs("unknown ", f);
			else
				panic("Upper array bound is not constant");
		}
		break;
	}
555

556
557
558
559
560
561
	case tpo_method: {
		int nparams  = get_method_n_params(tp);
		int nresults = get_method_n_ress(tp);
		fprintf(f, "%u %u %d %d ", get_method_calling_convention(tp),
			get_method_additional_properties(tp), nparams, nresults);
		for (i = 0; i < nparams; i++)
562
			write_long(env, get_type_nr(get_method_param_type(tp, i)));
563
		for (i = 0; i < nresults; i++)
564
			write_long(env, get_type_nr(get_method_res_type(tp, i)));
565
566
567
		fprintf(f, "%d ", get_method_first_variadic_param_index(tp));
		break;
	}
568

569
570
	case tpo_pointer:
		write_mode(env, get_type_mode(tp));
571
		write_long(env, get_type_nr(get_pointer_points_to_type(tp)));
572
		break;
573

574
575
576
577
578
579
580
581
	case tpo_enumeration:
		fprintf(stderr, "Enumeration type not handled yet by exporter\n");
		break;

	default:
		printf("export_type: Unknown type code \"%s\".\n",
		       get_type_tpop_name(tp));
		break;
582
583
584
585
586
587
	}
	fputc('\n', f);
}

static void export_entity(io_env_t *env, ir_entity *ent)
{
588
589
590
591
	FILE          *file       = env->file;
	ir_type       *owner      = get_entity_owner(ent);
	ir_visibility  visibility = get_entity_visibility(ent);
	ir_linkage     linkage    = get_entity_linkage(ent);
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606

	/* we don't dump array_element_ent entities. They're a strange concept
	 * and lead to cycles in type_graph.
	 */
	if (is_Array_type(owner))
		return;

	fprintf(env->file, "\tentity %ld \"%s\" ",
	        get_entity_nr(ent), get_entity_name(ent));
	if (ent->ld_name != NULL) {
		fprintf(env->file, "\"%s\" ", get_entity_ld_name(ent));
	} else {
		fprintf(env->file, "NULL ");
	}

607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
	/* visibility + linkage */
	if (visibility != ir_visibility_default) {
		fprintf(file, "%s ", get_visibility_name(visibility));
	}
	if (linkage & IR_LINKAGE_CONSTANT)
		fputs("constant ", file);
	if (linkage & IR_LINKAGE_WEAK)
		fputs("weak ", file);
	if (linkage & IR_LINKAGE_GARBAGE_COLLECT)
		fputs("garbage_collect ", file);
	if (linkage & IR_LINKAGE_MERGE)
		fputs("merge ", file);
	if (linkage & IR_LINKAGE_HIDDEN_USER)
		fputs("hidden_user ", file);

	fprintf(file, "%ld %ld %d %u %d %s ",
623
624
625
			get_type_nr(get_entity_type(ent)),
			get_type_nr(owner),
			get_entity_offset(ent),
626
			(unsigned) get_entity_offset_bits_remainder(ent),
627
			is_entity_compiler_generated(ent),
628
629
			get_volatility_name(get_entity_volatility(ent)));

Matthias Braun's avatar
Matthias Braun committed
630
631
632
633
634
635
636
637
638
639
640
	if (ent->initializer != NULL) {
		fputs("initializer ", env->file);
		write_initializer(env, get_entity_initializer(ent));
	} else if (entity_has_compound_ent_values(ent)) {
		int i, n = get_compound_ent_n_values(ent);
		fputs("compoundgraph ", env->file);
		fprintf(env->file, "%d ", n);
		for (i = 0; i < n; i++) {
			ir_entity *member = get_compound_ent_value_member(ent, i);
			ir_node   *irn    = get_compound_ent_value(ent, i);
			fprintf(env->file, "%ld %ld ", get_entity_nr(member), get_irn_node_nr(irn));
641
		}
Matthias Braun's avatar
Matthias Braun committed
642
643
	} else {
		fputs("none", env->file);
644
645
646
	}

	fputc('\n', env->file);
647
648
}

649
650
651
static void export_type_or_ent_pre(type_or_ent tore, void *ctx)
{
	io_env_t *env = (io_env_t *) ctx;
Michael Beck's avatar
Michael Beck committed
652
	if (get_kind(tore.typ) == k_type)
653
654
655
656
		export_type_pre(env, tore.typ);
}

static void export_type_or_ent_post(type_or_ent tore, void *ctx)
657
658
659
{
	io_env_t *env = (io_env_t *) ctx;

660
661
662
663
	switch (get_kind(tore.ent)) {
	case k_entity:
		export_entity(env, tore.ent);
		break;
664

665
666
667
	case k_type:
		export_type_post(env, tore.typ);
		break;
668

669
670
671
	default:
		panic("export_type_or_ent_post: Unknown type or entity.");
		break;
672
673
674
	}
}

675
676
677
/**
 * Walker: exports every node.
 */
678
679
680
681
682
683
static void export_node(ir_node *irn, void *ctx)
{
	io_env_t *env = (io_env_t *) ctx;
	int i, n;
	unsigned opcode = get_irn_opcode(irn);

Michael Beck's avatar
Michael Beck committed
684
	if (env->ignoreblocks && opcode == iro_Block)
685
		return;
686

687
	fprintf(env->file, "\t%s %ld [ ", get_irn_opname(irn), get_irn_node_nr(irn));
688

689
	n = get_irn_arity(irn);
690
691
692
693
694
	if (!is_Block(irn)) {
		fprintf(env->file, "%ld ", get_irn_node_nr(get_nodes_block(irn)));
	}

	for (i = 0; i < n; i++) {
695
		ir_node *pred = get_irn_n(irn, i);
Michael Beck's avatar
Michael Beck committed
696
		if (pred == NULL) {
697
			/* Anchor node may have NULL predecessors */
698
			assert(is_Anchor(irn));
699
			fputs("-1 ", env->file);
700
		} else {
701
			write_long(env, get_irn_node_nr(pred));
702
		}
703
704
705
706
	}

	fprintf(env->file, "] { ");

707
	switch (opcode) {
708
709
710
711
712
713
714
715
716
717
718
719
720
721
	case iro_Start:
	case iro_End:
	case iro_Block:
	case iro_Anchor:
		break;
	case iro_SymConst:
		/* TODO: only symconst_addr_ent implemented yet */
		assert(get_SymConst_kind(irn) == symconst_addr_ent);
		fprintf(env->file, "%ld ", get_entity_nr(get_SymConst_entity(irn)));
		break;
	case iro_Proj:
		write_mode(env, get_irn_mode(irn));
		fprintf(env->file, "%ld ", get_Proj_proj(irn));
		break;
722
#include "gen_irio_export.inl"
723
724
	default:
		panic("no export code for node %+F\n", irn);
725
	}
726
727
728
	fputs("}\n", env->file);
}

729
730
731
732
733
734
735
736
737
738
739
740
741
742
static const char *get_mode_sort_name(ir_mode_sort sort)
{
	switch (sort) {
	case irms_auxiliary:        return "auxiliary";
	case irms_control_flow:     return "control_flow";
	case irms_memory:           return "memory";
	case irms_internal_boolean: return "internal_boolean";
	case irms_reference:        return "reference";
	case irms_int_number:       return "int_number";
	case irms_float_number:     return "float_number";
	}
	panic("invalid mode sort found");
}

743
744
745
746
747
748
static void export_modes(io_env_t *env)
{
	int i, n_modes = get_irp_n_modes();

	fputs("modes {\n", env->file);

Michael Beck's avatar
Michael Beck committed
749
	for (i = 0; i < n_modes; i++) {
750
		ir_mode *mode = get_irp_mode(i);
751
752
753
754
755
756
757
758
759
		switch (get_mode_sort(mode)) {
		case irms_auxiliary:
		case irms_control_flow:
		case irms_memory:
		case irms_internal_boolean:
			/* skip "internal" modes, which may not be user defined */
			continue;
		default:
			break;
760
761
		}

762
		fprintf(env->file, "\tmode \"%s\" %s %u %d %s %u %u ",
763
764
765
766
767
		        get_mode_name(mode), get_mode_sort_name(get_mode_sort(mode)),
		        get_mode_size_bits(mode), get_mode_sign(mode),
		        get_mode_arithmetic_name(get_mode_arithmetic(mode)),
		        get_mode_modulo_shift(mode),
		        get_mode_n_vector_elems(mode));
Michael Beck's avatar
Michael Beck committed
768
		if (mode_is_reference(mode)) {
769
770
771
772
773
774
			write_mode(env, get_reference_mode_signed_eq(mode));
			write_mode(env, get_reference_mode_unsigned_eq(mode));
		}
		fputc('\n', env->file);
	}

775
	fputs("}\n", env->file);
776
777
}

778
static void export_program(io_env_t *env)
779
{
780
781
782
783
784
785
786
787
788
789
790
791
792
	FILE         *f = env->file;
	ir_segment_t  s;

	fputs("\nprogram {\n", f);
	if (irp_prog_name_is_set()) {
		fprintf(f, "\tname \"%s\"\n", get_irp_name());
	}
	/* We need numbers for irgs... */
#if 0
	if (get_irp_main_irg() != NULL) {
		fprintf(f, "\tmain_irg %d\n", get_irp_main_irg
#endif

793
	for (s = IR_SEGMENT_FIRST; s <= IR_SEGMENT_LAST; ++s) {
794
795
796
797
798
799
800
801
802
803
		ir_type *segment_type = get_segment_type(s);
		fprintf(f, "\tsegment_type %s", get_segment_name(s));
		if (segment_type == NULL) {
			fputs(" NULL\n", f);
		} else {
			fprintf(f, " %ld\n", get_type_nr(segment_type));
		}
	}
	fputs("}\n", f);
}
804

805
806
807
808
void ir_export(const char *filename)
{
	FILE *file = fopen(filename, "wt");
	if (file == NULL) {
809
810
811
812
		perror(filename);
		return;
	}

813
814
815
	ir_export_file(file, filename);
	fclose(file);
}
816

817
818
819
820
821
822
823
824
825
826
/* Exports the whole irp to the given file in a textual form. */
void ir_export_file(FILE *file, const char *outputname)
{
	io_env_t env;
	int i, n_irgs = get_irp_n_irgs();

	(void) outputname;
	env.file = file;

	export_modes(&env);
827

828
	fputs("\ntypegraph {\n", env.file);
829
	type_walk_prog(export_type_or_ent_pre, export_type_or_ent_post, &env);
830
	fputs("}\n", env.file);
831

Michael Beck's avatar
Michael Beck committed
832
	for (i = 0; i < n_irgs; i++) {
833
834
		ir_graph *irg       = get_irp_irg(i);
		ir_type  *valuetype = get_irg_value_param_type(irg);
835

836
837
838
839
		fprintf(env.file, "\nirg %ld %ld %ld {\n",
		        get_entity_nr(get_irg_entity(irg)),
		        get_type_nr(get_irg_frame_type(irg)),
		        valuetype == NULL ? -1 : get_type_nr(valuetype));
840
841
842
843
844
845

		env.ignoreblocks = 0;
		irg_block_walk_graph(irg, NULL, export_node, &env);

		env.ignoreblocks = 1;
		irg_walk_anchors(irg, NULL, export_node, &env);
846
847

		fputs("}\n", env.file);
848
849
	}

850
	fprintf(env.file, "\nconstirg %ld {\n", get_irn_node_nr(get_const_code_irg()->current_block));
851

852
853
854
	walk_const_code(NULL, export_node, &env);
	fputs("}\n", env.file);

855
	export_program(&env);
856
857
}

858
/* Exports the given irg to the given file. */
859
void ir_export_irg(ir_graph *irg, FILE *file, const char *outputname)
860
861
862
{
	io_env_t env;

863
864
	(void) outputname;
	env.file = file;
865

866
867
	export_modes(&env);

868
869
	fputs("typegraph {\n", env.file);

870
	type_walk_irg(irg, export_type_or_ent_pre, export_type_or_ent_post, &env);
871

872
	fprintf(env.file, "}\n\nirg %ld {\n", get_entity_nr(get_irg_entity(irg)));
873
874
875
876
877
878
879

	env.ignoreblocks = 0;
	irg_block_walk_graph(irg, NULL, export_node, &env);

	env.ignoreblocks = 1;
	irg_walk_anchors(irg, NULL, export_node, &env);

880
	/* TODO: Only output needed constants */
881
	fprintf(env.file, "}\n\nconstirg %ld {\n", get_irn_node_nr(get_const_code_irg()->current_block));
882
883
	walk_const_code(NULL, export_node, &env);
	fputs("}\n", env.file);
Moritz Kroll's avatar
Moritz Kroll committed
884
885
}

886
static void read_c(io_env_t *env)
Moritz Kroll's avatar
Moritz Kroll committed
887
{
888
889
890
891
	int c = fgetc(env->file);
	env->c = c;
	if (c == '\n')
		env->line++;
Moritz Kroll's avatar
Moritz Kroll committed
892
893
}

894
895
/** Returns the first non-whitespace character or EOF. **/
static void skip_ws(io_env_t *env)
896
{
897
898
899
	while (true) {
		switch (env->c) {
		case ' ':
900
901
		case '\t':
		case '\n':
902
903
904
		case '\r':
			read_c(env);
			continue;
905
906

		default:
907
			return;
908
909
910
911
912
913
		}
	}
}

static void skip_to(io_env_t *env, char to_ch)
{
914
915
916
	while (env->c != to_ch && env->c != EOF) {
		read_c(env);
	}
917
918
919
920
}

static int expect_char(io_env_t *env, char ch)
{
921
922
923
924
	skip_ws(env);
	if (env->c != ch) {
		parse_error(env, "Unexpected char '%c', expected '%c'\n",
		            env->c, ch);
925
926
		return 0;
	}
927
	read_c(env);
928
929
930
	return 1;
}

Michael Beck's avatar
Michael Beck committed
931
#define EXPECT(c) if (expect_char(env, (c))) {} else return 0
932

933
static char *read_word(io_env_t *env)
934
{
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
	skip_ws(env);

	assert(obstack_object_size(&env->obst) == 0);
	while (true) {
		int c = env->c;
		switch (c) {
		case EOF:
		case ' ':
		case '\t':
		case '\n':
		case '\r':
			goto endofword;

		default:
			obstack_1grow(&env->obst, c);
			break;
951
		}
952
		read_c(env);
953
	}
954

955
endofword:
956
	obstack_1grow(&env->obst, '\0');
957
	return (char*)obstack_finish(&env->obst);
958
959
}

960
static char *read_quoted_string(io_env_t *env)
961
{
962
963
964
965
966
967
	skip_ws(env);
	if (env->c != '\"') {
		parse_error(env, "Expected '\"', found '%c'\n", env->c);
		exit(1);
	}
	read_c(env);
968

969
970
971
	assert(obstack_object_size(&env->obst) == 0);
	while (true) {
		int ch = env->c;
Michael Beck's avatar
Michael Beck committed
972
		if (ch == EOF) {
973
			parse_error(env, "Unexpected end of quoted string!\n");
974
975
			exit(1);
		}
976
977
978
979
980
981
		if (ch == '\"') {
			read_c(env);
			break;
		}
		obstack_1grow(&env->obst, ch);
		read_c(env);
982
	}
983
984
	obstack_1grow(&env->obst, '\0');

985
	return (char*)obstack_finish(&env->obst);
986
987
}

988
static ident *read_ident(io_env_t *env)
989
{
990
991
992
993
994
995
996
997
998
999
1000
1001
1002
1003
1004
1005
1006
1007
1008
1009
1010
1011
1012
1013
1014
	char  *str = read_quoted_string(env);
	ident *res = new_id_from_str(str);
	obstack_free(&env->obst, str);

	return res;
}

/*
 * reads a "quoted string" or alternatively the token NULL
 */
static char *read_quoted_string_null(io_env_t *env)
{
	skip_ws(env);
	if (env->c == 'N') {
		char *str = read_word(env);
		if (strcmp(str, "NULL") == 0) {
			obstack_free(&env->obst, str);
			return NULL;
		}
	} else if (env->c == '"') {
		return read_quoted_string(env);
	}

	parse_error(env, "Expected \"string\" or NULL\n");
	exit(1);
1015
1016
}

1017
static ident *read_ident_null(io_env_t *env)
1018
{
1019
1020
1021
1022
1023
1024
1025
1026
	ident *res;
	char  *str = read_quoted_string_null(env);
	if (str == NULL)
		return NULL;

	res = new_id_from_str(str);
	obstack_free(&env->obst, str);
	return res;
1027
1028
1029
1030
}

static long read_long(io_env_t *env)
{
1031
1032
1033
1034
1035
1036
1037
1038
1039
1040
1041
1042
1043
	long  result;
	char *str;

	skip_ws(env);
	if (!isdigit(env->c) && env->c != '-') {
		parse_error(env, "Expected number, got '%c'\n", env->c);
		exit(1);
	}

	assert(obstack_object_size(&env->obst) == 0);
	do {
		obstack_1grow(&env->obst, env->c);
		read_c(env);
1044
	} while (isdigit(env->c));
1045
1046
	obstack_1grow(&env->obst, 0);

1047
	str = (char*)obstack_finish(&env->obst);
1048
1049
1050
1051
	result = atol(str);
	obstack_free(&env->obst, str);

	return result;
1052
1053
}

1054
1055
1056
1057
1058
1059
1060
1061
1062
1063
static int read_int(io_env_t *env)
{
	return (int) read_long(env);
}

static unsigned read_unsigned(io_env_t *env)
{
	return (unsigned) read_long(env);
}

1064
1065
1066
static ir_node *get_node_or_null(io_env_t *env, long nodenr)
{
	ir_node *node = (ir_node *) get_id(env, nodenr);
1067
1068
1069
1070
	if (node && node->kind != k_ir_node) {
		panic("Irn ID %ld collides with something else in line %d\n",
		      nodenr, env->line);
	}
1071
1072
1073
1074
1075
1076
	return node;
}

static ir_node *get_node_or_dummy(io_env_t *env, long nodenr)
{
	ir_node *node = get_node_or_null(env, nodenr);
Michael Beck's avatar
Michael Beck committed
1077
	if (node == NULL) {
1078
		node = new_r_Dummy(env->irg, mode_X);
1079
1080
1081
1082
1083
1084
1085
1086
		set_id(env, nodenr, node);
	}
	return node;
}

static ir_type *get_type(io_env_t *env, long typenr)
{
	ir_type *type = (ir_type *) get_id(env, typenr);
Michael Beck's avatar
Michael Beck committed
1087
	if (type == NULL)
1088
		panic("unknown type: %ld in line %d\n", typenr, env->line);
Michael Beck's avatar
Michael Beck committed
1089
	else if (type->kind != k_type)
1090
1091
		panic("type ID %ld collides with something else in line %d\n",
		      typenr, env->line);
1092
1093
1094
1095
1096
1097
1098
1099
1100
1101
1102
	return type;
}

static ir_type *read_type(io_env_t *env)
{
	return get_type(env, read_long(env));
}

static ir_entity *get_entity(io_env_t *env, long entnr)
{
	ir_entity *entity = (ir_entity *) get_id(env, entnr);
Michael Beck's avatar
Michael Beck committed
1103
	if (entity == NULL) {
1104
		parse_error(env, "unknown entity: %ld\n", entnr);
1105
		exit(1);
1106
1107
1108
1109
1110
	} else if (entity->kind != k_entity) {
		panic("Entity ID %ld collides with something else in line %d\n",
		      entnr, env->line);
	}

1111
1112
1113
1114
1115
1116
1117
1118
1119
1120
	return entity;
}

static ir_entity *read_entity(io_env_t *env)
{
	return get_entity(env, read_long(env));
}

static ir_mode *read_mode(io_env_t *env)
{
1121
	char *str = read_word(env);
1122
1123
1124
	int i, n;

	n = get_irp_n_modes();
Michael Beck's avatar
Michael Beck committed
1125
	for (i = 0; i < n; i++) {
1126
		ir_mode *mode = get_irp_mode(i);
1127
1128
		if (strcmp(str, get_mode_name(mode)) == 0) {
			obstack_free(&env->obst, str);
1129
			return mode;
1130
		}
1131
1132
	}

1133
1134
	parse_error(env, "unknown mode \"%s\"\n", str);
	exit(1);
1135
1136
1137
1138
}

static const char *get_typetag_name(typetag_t typetag)
{
1139
1140
1141
1142
	switch (typetag) {
	case tt_align:              return "align";
	case tt_allocation:         return "allocation";
	case tt_builtin:            return "builtin kind";
Matthias Braun's avatar
Matthias Braun committed
1143
	case tt_cond_jmp_predicate: return "cond_jmp_predicate";
1144
1145
	case tt_initializer:        return "initializer kind";
	case tt_iro:                return "opcode";
Matthias Braun's avatar
Matthias Braun committed
1146
1147
1148
1149
	case tt_keyword:            return "keyword";
	case tt_linkage:            return "linkage";
	case tt_mode_arithmetic:    return "mode_arithmetic";
	case tt_mode_sort:          return "mode_sort";
1150
	case tt_pin_state:          return "pin state";
Matthias Braun's avatar
Matthias Braun committed
1151
	case tt_segment:            return "segment";
1152
1153
1154
	case tt_tpo:                return "type";
	case tt_type_state:         return "type state";
	case tt_volatility:         return "volatility";
1155
	case tt_visibility:         return "visibility";
1156
	}
1157
	return "<UNKNOWN>";
1158
1159
}

1160
1161
1162
/**
 * Read and decode an enum constant.
 */
1163
1164
static unsigned read_enum(io_env_t *env, typetag_t typetag)
{
1165
1166
1167
1168
1169
	char     *str  = read_word(env);
	unsigned  code = symbol(str, typetag);

	if (code != SYMERROR) {
		obstack_free(&env->obst, str);
1170
		return code;
1171
	}
1172

1173
	parse_error(env, "invalid %s: \"%s\"\n", get_typetag_name(typetag), str);
1174
1175
1176
	return 0;
}

1177
1178
1179
1180
1181
#define read_align(env)              ((ir_align)              read_enum(env, tt_align))
#define read_allocation(env)         ((ir_allocation)         read_enum(env, tt_allocation))
#define read_builtin_kind(env)       ((ir_builtin_kind)       read_enum(env, tt_builtin))
#define read_cond_jmp_predicate(env) ((cond_jmp_predicate)    read_enum(env, tt_cond_jmp_predicate))
#define read_initializer_kind(env)   ((ir_initializer_kind_t) read_enum(env, tt_initializer))
1182
#define read_mode_arithmetic(env)    ((ir_mode_arithmetic)    read_enum(env, tt_mode_arithmetic))
1183
1184
1185
1186
1187
#define read_peculiarity(env)        ((ir_peculiarity)        read_enum(env, tt_peculiarity))
#define read_pin_state(env)          ((op_pin_state)          read_enum(env, tt_pin_state))
#define read_type_state(env)         ((ir_type_state)         read_enum(env, tt_type_state))
#define read_variability(env)        ((ir_variability)        read_enum(env, tt_variability))
#define read_volatility(env)         ((ir_volatility)         read_enum(env, tt_volatility))
1188

1189
1190
1191
1192
1193
static ir_cons_flags get_cons_flags(io_env_t *env)
{
	ir_cons_flags flags = cons_none;

	op_pin_state pinstate = read_pin_state(env);
1194
1195
1196
1197
1198
1199
	switch (pinstate) {
	case op_pin_state_floats: flags |= cons_floats; break;
	case op_pin_state_pinned: break;
	default:
		panic("Error in %d: Invalid pinstate: %s", env->line,
		      get_op_pin_state_name(pinstate));
1200
1201
	}

Michael Beck's avatar
Michael Beck committed
1202
1203
1204
1205
	if (read_volatility(env) == volatility_is_volatile)
		flags |= cons_volatile;
	if (read_align(env) == align_non_aligned)
		flags |= cons_unaligned;
1206
1207
1208
1209

	return flags;
}

Matthias Braun's avatar
Matthias Braun committed
1210
static ir_tarval *read_tv(io_env_t *env)
1211
{
Matthias Braun's avatar
Matthias Braun committed
1212
1213
1214
	ir_mode   *tvmode = read_mode(env);
	char      *str    = read_word(env);
	ir_tarval *tv     = new_tarval_from_str(str, strlen(str), tvmode);
1215
1216
1217
	obstack_free(&env->obst, str);

	return tv;
1218
1219
}

1220
1221
1222
1223
static ir_initializer_t *read_initializer(io_env_t *env)
{
	ir_initializer_kind_t ini_kind = read_initializer_kind(env);

1224
1225
1226
1227
1228
	switch (ini_kind) {
	case IR_INITIALIZER_CONST: {
		ir_node *irn = get_node_or_dummy(env, read_long(env));
		return create_initializer_const(irn);
	}
1229

1230
1231
	case IR_INITIALIZER_TARVAL:
		return create_initializer_tarval(read_tv(env));
1232

1233
1234
	case IR_INITIALIZER_NULL:
		return get_initializer_null();
1235

1236
1237
1238
1239
1240
1241
	case IR_INITIALIZER_COMPOUND: {
		unsigned i, n = (unsigned) read_long(env);
		ir_initializer_t *ini = create_initializer_compound(n);
		for (i = 0; i < n; i++) {
			ir_initializer_t *curini = read_initializer(env);
			set_initializer_compound_value(ini, i, curini);
1242
		}
1243
1244
		return ini;
	}
1245

1246
1247
	default:
		panic("Unknown initializer kind");
1248
1249
1250
1251
	}
}


1252
/** Reads a type description and remembers it by its id. */
1253
static void import_type(io_env_t *env)
1254
1255
1256
1257
{
	int            i;
	ir_type       *type;
	long           typenr = read_long(env);
Matthias Braun's avatar