2 * Copyright (C) 1995-2011 University of Karlsruhe. All right reserved.
4 * This file is part of libFirm.
6 * This file may be distributed and/or modified under the terms of the
7 * GNU General Public License version 2 as published by the Free Software
8 * Foundation and appearing in the file LICENSE.GPL included in the
9 * packaging of this file.
11 * Licensees holding valid libFirm Professional Edition licenses may use
12 * this file in accordance with the libFirm Commercial License.
13 * Agreement provided with the Software.
15 * This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
16 * WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22 * @brief Write textual representation of firm to file.
23 * @author Moritz Kroll, Matthias Braun
36 #include "irgraph_t.h"
51 #define SYMERROR ((unsigned) ~0)
53 static void register_generated_node_readers(void);
54 static void register_generated_node_writers(void);
56 typedef struct delayed_initializer_t {
57 ir_initializer_t *initializer;
59 } delayed_initializer_t;
61 typedef struct delayed_pred_t {
67 typedef struct read_env_t {
68 int c; /**< currently read char */
70 const char *inputname;
74 set *idset; /**< id_entry set, which maps from file ids to
79 struct obstack preds_obst;
80 delayed_initializer_t *delayed_initializers;
81 const delayed_pred_t **delayed_preds;
84 typedef struct write_env_t {
89 typedef enum typetag_t {
92 tt_cond_jmp_predicate,
94 tt_irg_inline_property,
108 typedef enum keyword_t {
128 typedef struct symbol_t {
129 const char *str; /**< The name of this symbol. */
130 typetag_t typetag; /**< The type tag of this symbol. */
131 unsigned code; /**< The value of this symbol. */
134 typedef struct id_entry {
139 /** The symbol table, a set of symbol_t elements. */
143 * Compare two symbol table entries.
145 static int symbol_cmp(const void *elt, const void *key, size_t size)
148 const symbol_t *entry = (const symbol_t *) elt;
149 const symbol_t *keyentry = (const symbol_t *) key;
151 res = entry->typetag - keyentry->typetag;
153 return strcmp(entry->str, keyentry->str);
156 static int id_cmp(const void *elt, const void *key, size_t size)
158 const id_entry *entry = (const id_entry *) elt;
159 const id_entry *keyentry = (const id_entry *) key;
161 return entry->id - keyentry->id;
164 static void __attribute__((format(printf, 2, 3)))
165 parse_error(read_env_t *env, const char *fmt, ...)
168 unsigned line = env->line;
170 /* workaround read_c "feature" that a '\n' triggers the line++
171 * instead of the character after the '\n' */
172 if (env->c == '\n') {
176 fprintf(stderr, "%s:%u: error ", env->inputname, line);
177 env->read_errors = true;
179 /* let's hope firm doesn't die on further errors */
180 do_node_verification(FIRM_VERIFICATION_OFF);
183 vfprintf(stderr, fmt, ap);
187 /** Initializes the symbol table. May be called more than once without problems. */
188 static void symtbl_init(void)
192 /* Only initialize once */
196 symtbl = new_set(symbol_cmp, 256);
198 #define INSERT(tt, s, cod) \
200 key.typetag = (tt); \
202 (void)set_insert(symbol_t, symtbl, &key, sizeof(key), hash_str(s) + tt * 17)
204 #define INSERTENUM(tt, e) INSERT(tt, #e, e)
205 #define INSERTKEYWORD(k) INSERT(tt_keyword, #k, kw_##k)
207 INSERT(tt_tpo, "array", tpo_array);
208 INSERT(tt_tpo, "class", tpo_class);
209 INSERT(tt_tpo, "method", tpo_method);
210 INSERT(tt_tpo, "pointer", tpo_pointer);
211 INSERT(tt_tpo, "primitive", tpo_primitive);
212 INSERT(tt_tpo, "struct", tpo_struct);
213 INSERT(tt_tpo, "union", tpo_union);
214 INSERT(tt_tpo, "Unknown", tpo_unknown);
216 INSERT(tt_segment, "global", IR_SEGMENT_GLOBAL);
217 INSERT(tt_segment, "thread_local", IR_SEGMENT_THREAD_LOCAL);
218 INSERT(tt_segment, "constructors", IR_SEGMENT_CONSTRUCTORS);
219 INSERT(tt_segment, "destructors", IR_SEGMENT_DESTRUCTORS);
221 INSERT(tt_linkage, "constant", IR_LINKAGE_CONSTANT);
222 INSERT(tt_linkage, "weak", IR_LINKAGE_WEAK);
223 INSERT(tt_linkage, "garbage_collect", IR_LINKAGE_GARBAGE_COLLECT);
224 INSERT(tt_linkage, "merge", IR_LINKAGE_MERGE);
225 INSERT(tt_linkage, "hidden_user", IR_LINKAGE_HIDDEN_USER);
227 INSERT(tt_visibility, "local", ir_visibility_local);
228 INSERT(tt_visibility, "external", ir_visibility_external);
229 INSERT(tt_visibility, "private", ir_visibility_private);
231 INSERT(tt_throws, "throw", true);
232 INSERT(tt_throws, "nothrow", false);
235 INSERTKEYWORD(compound_member);
236 INSERTKEYWORD(constirg);
237 INSERTKEYWORD(entity);
238 INSERTKEYWORD(float_mode);
239 INSERTKEYWORD(int_mode);
241 INSERTKEYWORD(label);
242 INSERTKEYWORD(method);
243 INSERTKEYWORD(modes);
244 INSERTKEYWORD(parameter);
245 INSERTKEYWORD(program);
246 INSERTKEYWORD(reference_mode);
247 INSERTKEYWORD(segment_type);
249 INSERTKEYWORD(typegraph);
250 INSERTKEYWORD(unknown);
252 INSERTENUM(tt_align, align_non_aligned);
253 INSERTENUM(tt_align, align_is_aligned);
255 INSERTENUM(tt_builtin_kind, ir_bk_trap);
256 INSERTENUM(tt_builtin_kind, ir_bk_debugbreak);
257 INSERTENUM(tt_builtin_kind, ir_bk_return_address);
258 INSERTENUM(tt_builtin_kind, ir_bk_frame_address);
259 INSERTENUM(tt_builtin_kind, ir_bk_prefetch);
260 INSERTENUM(tt_builtin_kind, ir_bk_ffs);
261 INSERTENUM(tt_builtin_kind, ir_bk_clz);
262 INSERTENUM(tt_builtin_kind, ir_bk_ctz);
263 INSERTENUM(tt_builtin_kind, ir_bk_popcount);
264 INSERTENUM(tt_builtin_kind, ir_bk_parity);
265 INSERTENUM(tt_builtin_kind, ir_bk_bswap);
266 INSERTENUM(tt_builtin_kind, ir_bk_inport);
267 INSERTENUM(tt_builtin_kind, ir_bk_outport);
268 INSERTENUM(tt_builtin_kind, ir_bk_inner_trampoline);
270 INSERTENUM(tt_cond_jmp_predicate, COND_JMP_PRED_NONE);
271 INSERTENUM(tt_cond_jmp_predicate, COND_JMP_PRED_TRUE);
272 INSERTENUM(tt_cond_jmp_predicate, COND_JMP_PRED_FALSE);
274 INSERTENUM(tt_initializer, IR_INITIALIZER_CONST);
275 INSERTENUM(tt_initializer, IR_INITIALIZER_TARVAL);
276 INSERTENUM(tt_initializer, IR_INITIALIZER_NULL);
277 INSERTENUM(tt_initializer, IR_INITIALIZER_COMPOUND);
279 INSERT(tt_mode_arithmetic, "uninitialized", irma_uninitialized);
280 INSERT(tt_mode_arithmetic, "none", irma_none);
281 INSERT(tt_mode_arithmetic, "twos_complement", irma_twos_complement);
282 INSERT(tt_mode_arithmetic, "ieee754", irma_ieee754);
283 INSERT(tt_mode_arithmetic, "x86_extended_float", irma_x86_extended_float);
285 INSERT(tt_irg_inline_property, "any", irg_inline_any);
286 INSERT(tt_irg_inline_property, "recommended", irg_inline_recomended);
287 INSERT(tt_irg_inline_property, "forbidden", irg_inline_forbidden);
288 INSERT(tt_irg_inline_property, "forced", irg_inline_forced);
289 INSERT(tt_irg_inline_property, "forced_no_body", irg_inline_forced_no_body);
291 INSERTENUM(tt_pin_state, op_pin_state_floats);
292 INSERTENUM(tt_pin_state, op_pin_state_pinned);
293 INSERTENUM(tt_pin_state, op_pin_state_exc_pinned);
294 INSERTENUM(tt_pin_state, op_pin_state_mem_pinned);
296 INSERTENUM(tt_type_state, layout_undefined);
297 INSERTENUM(tt_type_state, layout_fixed);
299 INSERTENUM(tt_volatility, volatility_non_volatile);
300 INSERTENUM(tt_volatility, volatility_is_volatile);
302 INSERTENUM(tt_where_alloc, stack_alloc);
303 INSERTENUM(tt_where_alloc, heap_alloc);
310 static const char *get_segment_name(ir_segment_t segment)
313 case IR_SEGMENT_GLOBAL: return "global";
314 case IR_SEGMENT_THREAD_LOCAL: return "thread_local";
315 case IR_SEGMENT_CONSTRUCTORS: return "constructors";
316 case IR_SEGMENT_DESTRUCTORS: return "destructors";
318 panic("INVALID_SEGMENT");
321 static const char *get_visibility_name(ir_visibility visibility)
323 switch (visibility) {
324 case ir_visibility_local: return "local";
325 case ir_visibility_external: return "external";
326 case ir_visibility_private: return "private";
328 panic("INVALID_VISIBILITY");
331 static const char *get_mode_arithmetic_name(ir_mode_arithmetic arithmetic)
333 switch (arithmetic) {
334 case irma_uninitialized: return "uninitialized";
335 case irma_none: return "none";
336 case irma_twos_complement: return "twos_complement";
337 case irma_ieee754: return "ieee754";
338 case irma_x86_extended_float: return "x86_extended_float";
340 panic("invalid mode_arithmetic");
343 static const char *get_irg_inline_property_name(irg_inline_property prop)
346 case irg_inline_any: return "any";
347 case irg_inline_recomended: return "recommended";
348 case irg_inline_forbidden: return "forbidden";
349 case irg_inline_forced: return "forced";
350 case irg_inline_forced_no_body: return "forced_no_body";
352 panic("invalid irg_inline_property");
355 /** Returns the according symbol value for the given string and tag, or SYMERROR if none was found. */
356 static unsigned symbol(const char *str, typetag_t typetag)
358 symbol_t key, *entry;
361 key.typetag = typetag;
363 entry = set_find(symbol_t, symtbl, &key, sizeof(key), hash_str(str) + typetag * 17);
364 return entry ? entry->code : SYMERROR;
367 static void write_long(write_env_t *env, long value)
369 fprintf(env->file, "%ld ", value);
372 static void write_int(write_env_t *env, int value)
374 fprintf(env->file, "%d ", value);
377 static void write_unsigned(write_env_t *env, unsigned value)
379 fprintf(env->file, "%u ", value);
382 static void write_size_t(write_env_t *env, size_t value)
384 ir_fprintf(env->file, "%zu ", value);
387 static void write_symbol(write_env_t *env, const char *symbol)
389 fputs(symbol, env->file);
390 fputc(' ', env->file);
393 static void write_entity_ref(write_env_t *env, ir_entity *entity)
395 write_long(env, get_entity_nr(entity));
398 static void write_type_ref(write_env_t *env, ir_type *type)
400 switch (get_type_tpop_code(type)) {
402 write_symbol(env, "unknown");
405 write_symbol(env, "none");
408 write_symbol(env, "code");
413 write_long(env, get_type_nr(type));
416 static void write_string(write_env_t *env, const char *string)
419 fputc('"', env->file);
420 for (c = string; *c != '\0'; ++c) {
423 fputc('\\', env->file);
424 fputc('n', env->file);
428 fputc('\\', env->file);
431 fputc(*c, env->file);
435 fputc('"', env->file);
436 fputc(' ', env->file);
439 static void write_ident(write_env_t *env, ident *id)
441 write_string(env, get_id_str(id));
444 static void write_ident_null(write_env_t *env, ident *id)
447 fputs("NULL ", env->file);
449 write_ident(env, id);
453 static void write_mode_ref(write_env_t *env, ir_mode *mode)
455 write_string(env, get_mode_name(mode));
458 static void write_tarval(write_env_t *env, ir_tarval *tv)
460 write_mode_ref(env, get_tarval_mode(tv));
461 if (tv == tarval_bad) {
462 write_symbol(env, "bad");
465 tarval_snprintf(buf, sizeof(buf), tv);
466 fputs(buf, env->file);
467 fputc(' ', env->file);
471 static void write_align(write_env_t *env, ir_align align)
473 fputs(get_align_name(align), env->file);
474 fputc(' ', env->file);
477 static void write_builtin_kind(write_env_t *env, const ir_node *node)
479 fputs(get_builtin_kind_name(get_Builtin_kind(node)), env->file);
480 fputc(' ', env->file);
483 static void write_cond_jmp_predicate(write_env_t *env, const ir_node *node)
485 fputs(get_cond_jmp_predicate_name(get_Cond_jmp_pred(node)), env->file);
486 fputc(' ', env->file);
489 static void write_relation(write_env_t *env, ir_relation relation)
491 write_long(env, (long)relation);
494 static void write_where_alloc(write_env_t *env, ir_where_alloc where_alloc)
496 switch (where_alloc) {
497 case stack_alloc: write_symbol(env, "stack_alloc"); return;
498 case heap_alloc: write_symbol(env, "heap_alloc"); return;
500 panic("invalid where_alloc value");
503 static void write_throws(write_env_t *env, bool throws)
505 write_symbol(env, throws ? "throw" : "nothrow");
508 static void write_list_begin(write_env_t *env)
510 fputs("[", env->file);
513 static void write_list_end(write_env_t *env)
515 fputs("] ", env->file);
518 static void write_scope_begin(write_env_t *env)
520 fputs("{\n", env->file);
523 static void write_scope_end(write_env_t *env)
525 fputs("}\n\n", env->file);
528 static void write_node_ref(write_env_t *env, const ir_node *node)
530 write_long(env, get_irn_node_nr(node));
533 static void write_initializer(write_env_t *env, ir_initializer_t *ini)
536 ir_initializer_kind_t ini_kind = get_initializer_kind(ini);
538 fputs(get_initializer_kind_name(ini_kind), f);
542 case IR_INITIALIZER_CONST:
543 write_node_ref(env, get_initializer_const_value(ini));
546 case IR_INITIALIZER_TARVAL:
547 write_tarval(env, get_initializer_tarval_value(ini));
550 case IR_INITIALIZER_NULL:
553 case IR_INITIALIZER_COMPOUND: {
554 size_t i, n = get_initializer_compound_n_entries(ini);
555 write_size_t(env, n);
556 for (i = 0; i < n; ++i)
557 write_initializer(env, get_initializer_compound_value(ini, i));
561 panic("Unknown initializer kind");
564 static void write_pin_state(write_env_t *env, op_pin_state state)
566 fputs(get_op_pin_state_name(state), env->file);
567 fputc(' ', env->file);
570 static void write_volatility(write_env_t *env, ir_volatility vol)
572 fputs(get_volatility_name(vol), env->file);
573 fputc(' ', env->file);
576 static void write_inline_property(write_env_t *env, irg_inline_property prop)
578 fputs(get_irg_inline_property_name(prop), env->file);
579 fputc(' ', env->file);
582 static void write_type_state(write_env_t *env, ir_type_state state)
584 fputs(get_type_state_name(state), env->file);
585 fputc(' ', env->file);
588 static void write_visibility(write_env_t *env, ir_visibility visibility)
590 fputs(get_visibility_name(visibility), env->file);
591 fputc(' ', env->file);
594 static void write_mode_arithmetic(write_env_t *env, ir_mode_arithmetic arithmetic)
596 fputs(get_mode_arithmetic_name(arithmetic), env->file);
597 fputc(' ', env->file);
600 static void write_type(write_env_t *env, ir_type *tp);
601 static void write_entity(write_env_t *env, ir_entity *entity);
603 static void write_type_common(write_env_t *env, ir_type *tp)
605 fputc('\t', env->file);
606 write_symbol(env, "type");
607 write_long(env, get_type_nr(tp));
608 write_symbol(env, get_type_tpop_name(tp));
609 write_unsigned(env, get_type_size_bytes(tp));
610 write_unsigned(env, get_type_alignment_bytes(tp));
611 write_type_state(env, get_type_state(tp));
612 write_unsigned(env, tp->flags);
615 static void write_type_primitive(write_env_t *env, ir_type *tp)
617 ir_type *base_type = get_primitive_base_type(tp);
619 if (base_type != NULL)
620 write_type(env, base_type);
622 write_type_common(env, tp);
623 write_mode_ref(env, get_type_mode(tp));
624 if (base_type == NULL)
625 base_type = get_none_type();
626 write_type_ref(env, base_type);
627 fputc('\n', env->file);
630 static void write_type_compound(write_env_t *env, ir_type *tp)
632 size_t n_members = get_compound_n_members(tp);
635 if (is_Class_type(tp)) {
636 if (get_class_n_subtypes(tp) > 0 || get_class_n_supertypes(tp) > 0
637 || get_class_type_info(tp) != NULL || get_class_vtable_size(tp) > 0) {
638 /* sub/superclass export not implemented yet, it's unclear wether
639 * class types will stay in libfirm anyway */
640 panic("can't export class types yet");
643 write_type_common(env, tp);
644 write_ident_null(env, get_compound_ident(tp));
645 fputc('\n', env->file);
647 for (i = 0; i < n_members; ++i) {
648 ir_entity *member = get_compound_member(tp, i);
649 write_entity(env, member);
653 static void write_type_array(write_env_t *env, ir_type *tp)
655 size_t n_dimensions = get_array_n_dimensions(tp);
656 ir_type *element_type = get_array_element_type(tp);
657 ir_entity *element_entity = get_array_element_entity(tp);
660 write_type(env, element_type);
662 write_type_common(env, tp);
663 write_size_t(env, n_dimensions);
664 write_type_ref(env, get_array_element_type(tp));
665 for (i = 0; i < n_dimensions; i++) {
666 ir_node *lower = get_array_lower_bound(tp, i);
667 ir_node *upper = get_array_upper_bound(tp, i);
670 write_long(env, get_tarval_long(get_Const_tarval(lower)));
672 panic("Lower array bound is not constant");
675 write_long(env, get_tarval_long(get_Const_tarval(upper)));
676 else if (is_Unknown(upper))
677 write_symbol(env, "unknown");
679 panic("Upper array bound is not constant");
681 /* note that we just write a reference to the element entity
682 * but never the entity itself */
683 write_entity_ref(env, element_entity);
684 fputc('\n', env->file);
687 static void write_type_method(write_env_t *env, ir_type *tp)
689 size_t nparams = get_method_n_params(tp);
690 size_t nresults = get_method_n_ress(tp);
693 for (i = 0; i < nparams; i++)
694 write_type(env, get_method_param_type(tp, i));
695 for (i = 0; i < nresults; i++)
696 write_type(env, get_method_res_type(tp, i));
698 write_type_common(env, tp);
699 write_unsigned(env, get_method_calling_convention(tp));
700 write_unsigned(env, get_method_additional_properties(tp));
701 write_size_t(env, nparams);
702 write_size_t(env, nresults);
703 for (i = 0; i < nparams; i++)
704 write_type_ref(env, get_method_param_type(tp, i));
705 for (i = 0; i < nresults; i++)
706 write_type_ref(env, get_method_res_type(tp, i));
707 write_unsigned(env, get_method_variadicity(tp));
708 fputc('\n', env->file);
711 static void write_type_pointer(write_env_t *env, ir_type *tp)
713 ir_type *points_to = get_pointer_points_to_type(tp);
715 write_type(env, points_to);
717 write_type_common(env, tp);
718 write_mode_ref(env, get_type_mode(tp));
719 write_type_ref(env, points_to);
720 fputc('\n', env->file);
723 static void write_type_enumeration(write_env_t *env, ir_type *tp)
725 write_type_common(env, tp);
726 write_ident_null(env, get_enumeration_ident(tp));
727 fputc('\n', env->file);
730 static void write_type(write_env_t *env, ir_type *tp)
732 if (type_visited(tp))
734 mark_type_visited(tp);
736 switch ((tp_opcode)get_type_tpop_code(tp)) {
740 case tpo_uninitialized:
741 /* no need to write special builtin types */
747 write_type_compound(env, tp);
750 case tpo_primitive: write_type_primitive(env, tp); return;
751 case tpo_enumeration: write_type_enumeration(env, tp); return;
752 case tpo_method: write_type_method(env, tp); return;
753 case tpo_pointer: write_type_pointer(env, tp); return;
754 case tpo_array: write_type_array(env, tp); return;
756 panic("can't write invalid type %+F\n", tp);
759 static void write_entity(write_env_t *env, ir_entity *ent)
761 ir_type *type = get_entity_type(ent);
762 ir_type *owner = get_entity_owner(ent);
763 ir_visibility visibility = get_entity_visibility(ent);
764 ir_linkage linkage = get_entity_linkage(ent);
766 if (entity_visited(ent))
768 mark_entity_visited(ent);
770 write_type(env, type);
771 write_type(env, owner);
773 fputc('\t', env->file);
774 switch ((ir_entity_kind)ent->entity_kind) {
775 case IR_ENTITY_NORMAL: write_symbol(env, "entity"); break;
776 case IR_ENTITY_METHOD: write_symbol(env, "method"); break;
777 case IR_ENTITY_LABEL: write_symbol(env, "label"); break;
778 case IR_ENTITY_COMPOUND_MEMBER: write_symbol(env, "compound_member"); break;
779 case IR_ENTITY_PARAMETER: write_symbol(env, "parameter"); break;
780 case IR_ENTITY_UNKNOWN:
781 write_symbol(env, "unknown");
782 write_long(env, get_entity_nr(ent));
785 write_long(env, get_entity_nr(ent));
787 if (ent->entity_kind != IR_ENTITY_LABEL
788 && ent->entity_kind != IR_ENTITY_PARAMETER) {
789 write_ident_null(env, get_entity_ident(ent));
790 if (!entity_has_ld_ident(ent)) {
791 write_ident_null(env, NULL);
793 write_ident_null(env, get_entity_ld_ident(ent));
797 write_visibility(env, visibility);
798 write_list_begin(env);
799 if (linkage & IR_LINKAGE_CONSTANT)
800 write_symbol(env, "constant");
801 if (linkage & IR_LINKAGE_WEAK)
802 write_symbol(env, "weak");
803 if (linkage & IR_LINKAGE_GARBAGE_COLLECT)
804 write_symbol(env, "garbage_collect");
805 if (linkage & IR_LINKAGE_MERGE)
806 write_symbol(env, "merge");
807 if (linkage & IR_LINKAGE_HIDDEN_USER)
808 write_symbol(env, "hidden_user");
811 write_type_ref(env, type);
812 if (ent->entity_kind != IR_ENTITY_LABEL)
813 write_type_ref(env, owner);
814 write_long(env, is_entity_compiler_generated(ent));
815 write_volatility(env, get_entity_volatility(ent));
817 switch ((ir_entity_kind)ent->entity_kind) {
818 case IR_ENTITY_NORMAL:
819 if (ent->initializer != NULL) {
820 write_symbol(env, "initializer");
821 write_initializer(env, get_entity_initializer(ent));
823 write_symbol(env, "none");
826 case IR_ENTITY_COMPOUND_MEMBER:
827 write_long(env, get_entity_offset(ent));
828 write_unsigned(env, get_entity_offset_bits_remainder(ent));
830 case IR_ENTITY_PARAMETER: {
831 size_t num = get_entity_parameter_number(ent);
832 if (num == IR_VA_START_PARAMETER_NUMBER) {
833 write_symbol(env, "va_start");
835 write_size_t(env, num);
839 case IR_ENTITY_UNKNOWN:
840 case IR_ENTITY_LABEL:
841 case IR_ENTITY_METHOD:
845 fputc('\n', env->file);
848 static void write_switch_table(write_env_t *env, const ir_switch_table *table)
850 size_t n_entries = ir_switch_table_get_n_entries(table);
853 write_size_t(env, n_entries);
854 for (i = 0; i < n_entries; ++i) {
855 long pn = ir_switch_table_get_pn(table, i);
856 ir_tarval *min = ir_switch_table_get_min(table, i);
857 ir_tarval *max = ir_switch_table_get_max(table, i);
859 write_tarval(env, min);
860 write_tarval(env, max);
864 static void write_pred_refs(write_env_t *env, const ir_node *node, int from)
866 int arity = get_irn_arity(node);
868 write_list_begin(env);
869 assert(from <= arity);
870 for (i = from; i < arity; ++i) {
871 ir_node *pred = get_irn_n(node, i);
872 write_node_ref(env, pred);
877 static void write_node_nr(write_env_t *env, const ir_node *node)
879 write_long(env, get_irn_node_nr(node));
882 static void write_ASM(write_env_t *env, const ir_node *node)
884 ir_asm_constraint *input_constraints = get_ASM_input_constraints(node);
885 ir_asm_constraint *output_constraints = get_ASM_output_constraints(node);
886 ident **clobbers = get_ASM_clobbers(node);
887 size_t n_input_constraints = get_ASM_n_input_constraints(node);
888 size_t n_output_constraints = get_ASM_n_output_constraints(node);
889 size_t n_clobbers = get_ASM_n_clobbers(node);
892 write_symbol(env, "ASM");
893 write_node_nr(env, node);
894 write_node_nr(env, get_nodes_block(node));
896 write_ident(env, get_ASM_text(node));
897 write_list_begin(env);
898 for (i = 0; i < n_input_constraints; ++i) {
899 const ir_asm_constraint *constraint = &input_constraints[i];
900 write_unsigned(env, constraint->pos);
901 write_ident(env, constraint->constraint);
902 write_mode_ref(env, constraint->mode);
906 write_list_begin(env);
907 for (i = 0; i < n_output_constraints; ++i) {
908 const ir_asm_constraint *constraint = &output_constraints[i];
909 write_unsigned(env, constraint->pos);
910 write_ident(env, constraint->constraint);
911 write_mode_ref(env, constraint->mode);
915 write_list_begin(env);
916 for (i = 0; i < n_clobbers; ++i) {
917 ident *clobber = clobbers[i];
918 write_ident(env, clobber);
922 write_pin_state(env, get_irn_pinned(node));
923 write_pred_refs(env, node, 0);
926 static void write_Phi(write_env_t *env, const ir_node *node)
928 write_symbol(env, "Phi");
929 write_node_nr(env, node);
930 write_node_ref(env, get_nodes_block(node));
931 write_mode_ref(env, get_irn_mode(node));
932 write_pred_refs(env, node, 0);
935 static void write_Block(write_env_t *env, const ir_node *node)
937 ir_entity *entity = get_Block_entity(node);
939 if (entity != NULL) {
940 write_symbol(env, "BlockL");
941 write_node_nr(env, node);
942 write_entity_ref(env, entity);
944 write_symbol(env, "Block");
945 write_node_nr(env, node);
947 write_pred_refs(env, node, 0);
950 static void write_Anchor(write_env_t *env, const ir_node *node)
952 write_symbol(env, "Anchor");
953 write_node_nr(env, node);
954 write_pred_refs(env, node, 0);
957 static void write_SymConst(write_env_t *env, const ir_node *node)
959 /* TODO: only symconst_addr_ent implemented yet */
960 if (get_SymConst_kind(node) != symconst_addr_ent)
961 panic("Can't export %+F (only symconst_addr_ent supported)", node);
963 write_symbol(env, "SymConst");
964 write_node_nr(env, node);
965 write_mode_ref(env, get_irn_mode(node));
966 write_entity_ref(env, get_SymConst_entity(node));
969 typedef void (*write_node_func)(write_env_t *env, const ir_node *node);
971 static void register_node_writer(ir_op *op, write_node_func func)
973 set_generic_function_ptr(op, (op_func)func);
976 static void writers_init(void)
978 ir_clear_opcodes_generic_func();
979 register_node_writer(op_Anchor, write_Anchor);
980 register_node_writer(op_ASM, write_ASM);
981 register_node_writer(op_Block, write_Block);
982 register_node_writer(op_Phi, write_Phi);
983 register_node_writer(op_SymConst, write_SymConst);
984 register_generated_node_writers();
987 static void write_node(const ir_node *node, write_env_t *env)
989 ir_op *op = get_irn_op(node);
990 write_node_func func = (write_node_func) get_generic_function_ptr(op);
992 fputc('\t', env->file);
994 panic("No write_node_func for %+F", node);
996 fputc('\n', env->file);
999 static void write_node_recursive(ir_node *node, write_env_t *env);
1001 static void write_preds(ir_node *node, write_env_t *env)
1003 int arity = get_irn_arity(node);
1005 for (i = 0; i < arity; ++i) {
1006 ir_node *pred = get_irn_n(node, i);
1007 write_node_recursive(pred, env);
1012 * Recursively write nodes.
1013 * The reader expects nodes in a way that except for block/phi/anchor nodes
1014 * all predecessors are already defined when we reach them. So usually we
1015 * recurse to all our predecessors except for block/phi/anchor nodes where
1016 * we put the predecessors into a queue for later processing.
1018 static void write_node_recursive(ir_node *node, write_env_t *env)
1020 if (irn_visited_else_mark(node))
1023 if (!is_Block(node)) {
1024 write_node_recursive(get_nodes_block(node), env);
1026 /* write predecessors */
1027 if (!is_Phi(node) && !is_Block(node) && !is_Anchor(node)) {
1028 write_preds(node, env);
1030 int arity = get_irn_arity(node);
1032 for (i = 0; i < arity; ++i) {
1033 ir_node *pred = get_irn_n(node, i);
1034 pdeq_putr(env->write_queue, pred);
1037 write_node(node, env);
1040 static void write_mode(write_env_t *env, ir_mode *mode)
1042 if (mode_is_int(mode)) {
1043 write_symbol(env, "int_mode");
1044 write_string(env, get_mode_name(mode));
1045 write_mode_arithmetic(env, get_mode_arithmetic(mode));
1046 write_unsigned(env, get_mode_size_bits(mode));
1047 write_int(env, get_mode_sign(mode));
1048 write_unsigned(env, get_mode_modulo_shift(mode));
1049 } else if (mode_is_reference(mode)) {
1050 write_symbol(env, "reference_mode");
1051 write_string(env, get_mode_name(mode));
1052 write_mode_arithmetic(env, get_mode_arithmetic(mode));
1053 write_unsigned(env, get_mode_size_bits(mode));
1054 write_unsigned(env, get_mode_modulo_shift(mode));
1056 write_mode_ref(env, get_reference_mode_signed_eq(mode));
1057 write_mode_ref(env, get_reference_mode_unsigned_eq(mode));
1058 write_int(env, (mode == mode_P ? 1 : 0));
1059 } else if (mode_is_float(mode)) {
1060 write_symbol(env, "float_mode");
1061 write_string(env, get_mode_name(mode));
1062 write_mode_arithmetic(env, get_mode_arithmetic(mode));
1063 write_unsigned(env, get_mode_exponent_size(mode));
1064 write_unsigned(env, get_mode_mantissa_size(mode));
1066 panic("Can't write internal modes");
1070 static void write_modes(write_env_t *env)
1072 size_t n_modes = ir_get_n_modes();
1075 write_symbol(env, "modes");
1076 fputs("{\n", env->file);
1078 for (i = 0; i < n_modes; i++) {
1079 ir_mode *mode = ir_get_mode(i);
1080 if (!mode_is_int(mode) && !mode_is_reference(mode)
1081 && !mode_is_float(mode)) {
1082 /* skip internal modes */
1085 fputc('\t', env->file);
1086 write_mode(env, mode);
1087 fputc('\n', env->file);
1090 fputs("}\n\n", env->file);
1093 static void write_program(write_env_t *env)
1096 size_t n_asms = get_irp_n_asms();
1099 write_symbol(env, "program");
1100 write_scope_begin(env);
1101 if (irp_prog_name_is_set()) {
1102 fputc('\t', env->file);
1103 write_symbol(env, "name");
1104 write_string(env, get_irp_name());
1105 fputc('\n', env->file);
1108 for (s = IR_SEGMENT_FIRST; s <= IR_SEGMENT_LAST; ++s) {
1109 ir_type *segment_type = get_segment_type(s);
1110 fputc('\t', env->file);
1111 write_symbol(env, "segment_type");
1112 write_symbol(env, get_segment_name(s));
1113 if (segment_type == NULL) {
1114 write_symbol(env, "NULL");
1116 write_type_ref(env, segment_type);
1118 fputc('\n', env->file);
1121 for (i = 0; i < n_asms; ++i) {
1122 ident *asm_text = get_irp_asm(i);
1123 fputc('\t', env->file);
1124 write_symbol(env, "asm");
1125 write_ident(env, asm_text);
1126 fputc('\n', env->file);
1128 write_scope_end(env);
1131 int ir_export(const char *filename)
1133 FILE *file = fopen(filename, "wt");
1140 ir_export_file(file);
1146 static void write_node_cb(ir_node *node, void *ctx)
1148 write_env_t *env = (write_env_t*)ctx;
1149 write_node(node, env);
1152 static void write_typegraph(write_env_t *env)
1154 size_t n_types = get_irp_n_types();
1157 write_symbol(env, "typegraph");
1158 write_scope_begin(env);
1159 irp_reserve_resources(irp, IRP_RESOURCE_TYPE_VISITED);
1160 inc_master_type_visited();
1161 for (i = 0; i < n_types; ++i) {
1162 ir_type *type = get_irp_type(i);
1163 write_type(env, type);
1165 irp_free_resources(irp, IRP_RESOURCE_TYPE_VISITED);
1166 write_scope_end(env);
1169 static void write_irg(write_env_t *env, ir_graph *irg)
1171 write_symbol(env, "irg");
1172 write_entity_ref(env, get_irg_entity(irg));
1173 write_type_ref(env, get_irg_frame_type(irg));
1174 write_inline_property(env, get_irg_inline_property(irg));
1175 write_unsigned(env, get_irg_additional_properties(irg));
1176 write_scope_begin(env);
1177 ir_reserve_resources(irg, IR_RESOURCE_IRN_VISITED);
1178 inc_irg_visited(irg);
1179 assert(pdeq_empty(env->write_queue));
1180 pdeq_putr(env->write_queue, irg->anchor);
1182 ir_node *node = (ir_node*) pdeq_getl(env->write_queue);
1183 write_node_recursive(node, env);
1184 } while (!pdeq_empty(env->write_queue));
1185 ir_free_resources(irg, IR_RESOURCE_IRN_VISITED);
1186 write_scope_end(env);
1189 /* Exports the whole irp to the given file in a textual form. */
1190 void ir_export_file(FILE *file)
1193 write_env_t *env = &my_env;
1194 size_t i, n_irgs = get_irp_n_irgs();
1196 memset(env, 0, sizeof(*env));
1198 env->write_queue = new_pdeq();
1203 write_typegraph(env);
1205 for (i = 0; i < n_irgs; i++) {
1206 ir_graph *irg = get_irp_irg(i);
1207 write_irg(env, irg);
1210 write_symbol(env, "constirg");
1211 write_node_ref(env, get_const_code_irg()->current_block);
1212 write_scope_begin(env);
1213 walk_const_code(NULL, write_node_cb, env);
1214 write_scope_end(env);
1218 del_pdeq(env->write_queue);
1223 static void read_c(read_env_t *env)
1225 int c = fgetc(env->file);
1231 /** Returns the first non-whitespace character or EOF. **/
1232 static void skip_ws(read_env_t *env)
1249 static void skip_to(read_env_t *env, char to_ch)
1251 while (env->c != to_ch && env->c != EOF) {
1256 static bool expect_char(read_env_t *env, char ch)
1260 parse_error(env, "Unexpected char '%c', expected '%c'\n",
1268 #define EXPECT(c) if (expect_char(env, (c))) {} else return
1270 static char *read_word(read_env_t *env)
1274 assert(obstack_object_size(&env->obst) == 0);
1286 obstack_1grow(&env->obst, c);
1293 obstack_1grow(&env->obst, '\0');
1294 return (char*)obstack_finish(&env->obst);
1297 static char *read_string(read_env_t *env)
1300 if (env->c != '"') {
1301 parse_error(env, "Expected string, got '%c'\n", env->c);
1306 assert(obstack_object_size(&env->obst) == 0);
1307 while (env->c != '"') {
1308 if (env->c == EOF) {
1309 parse_error(env, "Unexpected EOF while parsing string\n");
1313 if (env->c == '\\') {
1317 obstack_1grow(&env->obst, '\n');
1321 obstack_1grow(&env->obst, env->c);
1324 parse_error(env, "Unknown escape sequence '\\%c'\n", env->c);
1328 obstack_1grow(&env->obst, env->c);
1333 obstack_1grow(&env->obst, 0);
1335 return (char*)obstack_finish(&env->obst);
1338 static ident *read_ident(read_env_t *env)
1340 char *str = read_string(env);
1341 ident *res = new_id_from_str(str);
1342 obstack_free(&env->obst, str);
1346 static ident *read_symbol(read_env_t *env)
1348 char *str = read_word(env);
1349 ident *res = new_id_from_str(str);
1350 obstack_free(&env->obst, str);
1355 * reads a "quoted string" or alternatively the token NULL
1357 static char *read_string_null(read_env_t *env)
1360 if (env->c == 'N') {
1361 char *str = read_word(env);
1362 if (strcmp(str, "NULL") == 0) {
1363 obstack_free(&env->obst, str);
1366 } else if (env->c == '"') {
1367 return read_string(env);
1370 parse_error(env, "Expected \"string\" or NULL\n");
1374 static ident *read_ident_null(read_env_t *env)
1377 char *str = read_string_null(env);
1381 res = new_id_from_str(str);
1382 obstack_free(&env->obst, str);
1386 static long read_long(read_env_t *env)
1392 if (!isdigit(env->c) && env->c != '-') {
1393 parse_error(env, "Expected number, got '%c'\n", env->c);
1397 assert(obstack_object_size(&env->obst) == 0);
1399 obstack_1grow(&env->obst, env->c);
1401 } while (isdigit(env->c));
1402 obstack_1grow(&env->obst, 0);
1404 str = (char*)obstack_finish(&env->obst);
1406 obstack_free(&env->obst, str);
1411 static int read_int(read_env_t *env)
1413 return (int) read_long(env);
1416 static unsigned read_unsigned(read_env_t *env)
1418 return (unsigned) read_long(env);
1421 static size_t read_size_t(read_env_t *env)
1424 return (size_t) read_unsigned(env);
1427 static void expect_list_begin(read_env_t *env)
1430 if (env->c != '[') {
1431 parse_error(env, "Expected list, got '%c'\n", env->c);
1437 static bool list_has_next(read_env_t *env)
1439 if (feof(env->file)) {
1440 parse_error(env, "Unexpected EOF while reading list");
1444 if (env->c == ']') {
1452 static void *get_id(read_env_t *env, long id)
1454 id_entry key, *entry;
1457 entry = set_find(id_entry, env->idset, &key, sizeof(key), (unsigned) id);
1458 return entry ? entry->elem : NULL;
1461 static void set_id(read_env_t *env, long id, void *elem)
1466 (void)set_insert(id_entry, env->idset, &key, sizeof(key), (unsigned) id);
1469 static ir_node *get_node_or_null(read_env_t *env, long nodenr)
1471 ir_node *node = (ir_node *) get_id(env, nodenr);
1472 if (node && node->kind != k_ir_node) {
1473 parse_error(env, "Irn ID %ld collides with something else\n",
1480 static ir_type *get_type(read_env_t *env, long typenr)
1482 ir_type *type = (ir_type *) get_id(env, typenr);
1484 parse_error(env, "Type %ld not defined (yet?)\n", typenr);
1485 return get_unknown_type();
1487 if (type->kind != k_type) {
1488 parse_error(env, "Object %ld is not a type (but should be)\n", typenr);
1489 return get_unknown_type();
1494 static ir_type *read_type_ref(read_env_t *env)
1496 char *str = read_word(env);
1497 if (strcmp(str, "none") == 0) {
1498 obstack_free(&env->obst, str);
1499 return get_none_type();
1501 if (strcmp(str, "unknown") == 0) {
1502 obstack_free(&env->obst, str);
1503 return get_unknown_type();
1505 if (strcmp(str, "code") == 0) {
1506 obstack_free(&env->obst, str);
1507 return get_code_type();
1509 long nr = atol(str);
1510 obstack_free(&env->obst, str);
1512 return get_type(env, nr);
1515 static ir_entity *create_error_entity(void)
1517 ir_entity *res = new_entity(get_glob_type(), new_id_from_str("error"),
1518 get_unknown_type());
1522 static ir_entity *get_entity(read_env_t *env, long entnr)
1524 ir_entity *entity = (ir_entity *) get_id(env, entnr);
1525 if (entity == NULL) {
1526 parse_error(env, "unknown entity: %ld\n", entnr);
1527 return create_error_entity();
1529 if (entity->kind != k_entity) {
1530 parse_error(env, "Object %ld is not an entity (but should be)\n",
1532 return create_error_entity();
1538 static ir_entity *read_entity_ref(read_env_t *env)
1540 long nr = read_long(env);
1541 return get_entity(env, nr);
1544 static ir_mode *read_mode_ref(read_env_t *env)
1546 char *str = read_string(env);
1547 size_t n = ir_get_n_modes();
1550 for (i = 0; i < n; i++) {
1551 ir_mode *mode = ir_get_mode(i);
1552 if (strcmp(str, get_mode_name(mode)) == 0) {
1553 obstack_free(&env->obst, str);
1558 parse_error(env, "unknown mode \"%s\"\n", str);
1562 static const char *get_typetag_name(typetag_t typetag)
1565 case tt_align: return "align";
1566 case tt_builtin_kind: return "builtin kind";
1567 case tt_cond_jmp_predicate: return "cond_jmp_predicate";
1568 case tt_initializer: return "initializer kind";
1569 case tt_irg_inline_property: return "irg_inline_property";
1570 case tt_keyword: return "keyword";
1571 case tt_linkage: return "linkage";
1572 case tt_mode_arithmetic: return "mode_arithmetic";
1573 case tt_pin_state: return "pin state";
1574 case tt_segment: return "segment";
1575 case tt_throws: return "throws";
1576 case tt_tpo: return "type";
1577 case tt_type_state: return "type state";
1578 case tt_visibility: return "visibility";
1579 case tt_volatility: return "volatility";
1580 case tt_where_alloc: return "where alloc";
1586 * Read and decode an enum constant.
1588 static unsigned read_enum(read_env_t *env, typetag_t typetag)
1590 char *str = read_word(env);
1591 unsigned code = symbol(str, typetag);
1593 if (code != SYMERROR) {
1594 obstack_free(&env->obst, str);
1598 parse_error(env, "invalid %s: \"%s\"\n", get_typetag_name(typetag), str);
1602 static ir_align read_align(read_env_t *env)
1604 return (ir_align)read_enum(env, tt_align);
1607 static ir_builtin_kind read_builtin_kind(read_env_t *env)
1609 return (ir_builtin_kind)read_enum(env, tt_builtin_kind);
1612 static cond_jmp_predicate read_cond_jmp_predicate(read_env_t *env)
1614 return (cond_jmp_predicate)read_enum(env, tt_cond_jmp_predicate);
1617 static ir_initializer_kind_t read_initializer_kind(read_env_t *env)
1619 return (ir_initializer_kind_t)read_enum(env, tt_initializer);
1622 static ir_mode_arithmetic read_mode_arithmetic(read_env_t *env)
1624 return (ir_mode_arithmetic)read_enum(env, tt_mode_arithmetic);
1627 static op_pin_state read_pin_state(read_env_t *env)
1629 return (op_pin_state)read_enum(env, tt_pin_state);
1632 static ir_type_state read_type_state(read_env_t *env)
1634 return (ir_type_state)read_enum(env, tt_type_state);
1637 static ir_visibility read_visibility(read_env_t *env)
1639 return (ir_visibility)read_enum(env, tt_visibility);
1642 static ir_linkage read_linkage(read_env_t *env)
1644 return (ir_linkage)read_enum(env, tt_linkage);
1647 static ir_volatility read_volatility(read_env_t *env)
1649 return (ir_volatility)read_enum(env, tt_volatility);
1652 static ir_where_alloc read_where_alloc(read_env_t *env)
1654 return (ir_where_alloc)read_enum(env, tt_where_alloc);
1657 static bool read_throws(read_env_t *env)
1659 return (bool)read_enum(env, tt_throws);
1662 static keyword_t read_keyword(read_env_t *env)
1664 return (keyword_t)read_enum(env, tt_keyword);
1667 static irg_inline_property read_inline_property(read_env_t *env)
1669 return (irg_inline_property)read_enum(env, tt_irg_inline_property);
1672 static ir_relation read_relation(read_env_t *env)
1674 return (ir_relation)read_long(env);
1677 static ir_tarval *read_tarval(read_env_t *env)
1679 ir_mode *tvmode = read_mode_ref(env);
1680 char *str = read_word(env);
1682 if (strcmp(str, "bad") == 0)
1684 tv = new_tarval_from_str(str, strlen(str), tvmode);
1685 if (tv == tarval_bad)
1686 parse_error(env, "problem while parsing tarval '%s'\n", str);
1687 obstack_free(&env->obst, str);
1692 static ir_switch_table *read_switch_table(read_env_t *env)
1694 size_t n_entries = read_size_t(env);
1695 ir_switch_table *table = ir_new_switch_table(env->irg, n_entries);
1698 for (i = 0; i < n_entries; ++i) {
1699 long pn = read_long(env);
1700 ir_tarval *min = read_tarval(env);
1701 ir_tarval *max = read_tarval(env);
1702 ir_switch_table_set(table, i, min, max, pn);
1707 static ir_initializer_t *read_initializer(read_env_t *env)
1709 ir_initializer_kind_t ini_kind = read_initializer_kind(env);
1712 case IR_INITIALIZER_CONST: {
1713 long nr = read_long(env);
1714 ir_node *node = get_node_or_null(env, nr);
1715 ir_initializer_t *initializer = create_initializer_const(node);
1717 delayed_initializer_t di;
1718 di.initializer = initializer;
1720 ARR_APP1(delayed_initializer_t, env->delayed_initializers, di);
1725 case IR_INITIALIZER_TARVAL:
1726 return create_initializer_tarval(read_tarval(env));
1728 case IR_INITIALIZER_NULL:
1729 return get_initializer_null();
1731 case IR_INITIALIZER_COMPOUND: {
1732 size_t i, n = read_size_t(env);
1733 ir_initializer_t *ini = create_initializer_compound(n);
1734 for (i = 0; i < n; i++) {
1735 ir_initializer_t *curini = read_initializer(env);
1736 set_initializer_compound_value(ini, i, curini);
1742 panic("Unknown initializer kind");
1745 /** Reads a type description and remembers it by its id. */
1746 static void read_type(read_env_t *env)
1748 long typenr = read_long(env);
1749 tp_opcode tpop = (tp_opcode) read_enum(env, tt_tpo);
1750 unsigned size = (unsigned) read_long(env);
1751 unsigned align = (unsigned) read_long(env);
1752 ir_type_state state = read_type_state(env);
1753 unsigned flags = (unsigned) read_long(env);
1758 size_t n_dimensions = read_size_t(env);
1759 ir_type *elemtype = read_type_ref(env);
1761 ir_entity *element_entity;
1762 long element_entity_nr;
1764 type = new_type_array(n_dimensions, elemtype);
1765 for (i = 0; i < n_dimensions; i++) {
1766 char *str = read_word(env);
1767 if (strcmp(str, "unknown") != 0) {
1768 long lowerbound = atol(str);
1769 set_array_lower_bound_int(type, i, lowerbound);
1771 obstack_free(&env->obst, str);
1773 str = read_word(env);
1774 if (strcmp(str, "unknown") != 0) {
1775 long upperbound = atol(str);
1776 set_array_upper_bound_int(type, i, upperbound);
1778 obstack_free(&env->obst, str);
1781 element_entity_nr = read_long(env);
1782 element_entity = get_array_element_entity(type);
1783 set_id(env, element_entity_nr, element_entity);
1785 set_type_size_bytes(type, size);
1790 ident *id = read_ident_null(env);
1792 if (typenr == (long) IR_SEGMENT_GLOBAL)
1793 type = get_glob_type();
1795 type = new_type_class(id);
1796 set_type_size_bytes(type, size);
1801 unsigned callingconv = read_unsigned(env);
1802 mtp_additional_properties addprops
1803 = (mtp_additional_properties) read_long(env);
1804 size_t nparams = read_size_t(env);
1805 size_t nresults = read_size_t(env);
1807 ir_variadicity variadicity;
1809 type = new_type_method(nparams, nresults);
1811 for (i = 0; i < nparams; i++) {
1812 long ptypenr = read_long(env);
1813 ir_type *paramtype = get_type(env, ptypenr);
1815 set_method_param_type(type, i, paramtype);
1817 for (i = 0; i < nresults; i++) {
1818 long ptypenr = read_long(env);
1819 ir_type *restype = get_type(env, ptypenr);
1821 set_method_res_type(type, i, restype);
1824 variadicity = (ir_variadicity) read_long(env);
1825 set_method_variadicity(type, variadicity);
1827 set_method_calling_convention(type, callingconv);
1828 set_method_additional_properties(type, addprops);
1833 ir_mode *mode = read_mode_ref(env);
1834 ir_type *pointsto = get_type(env, read_long(env));
1835 type = new_type_pointer(pointsto);
1836 set_type_mode(type, mode);
1840 case tpo_primitive: {
1841 ir_mode *mode = read_mode_ref(env);
1842 ir_type *base_type = read_type_ref(env);
1843 type = new_type_primitive(mode);
1844 if (base_type != get_none_type()) {
1845 set_primitive_base_type(type, base_type);
1851 ident *id = read_ident_null(env);
1852 type = new_type_struct(id);
1853 set_type_size_bytes(type, size);
1858 ident *id = read_ident_null(env);
1859 type = new_type_union(id);
1860 set_type_size_bytes(type, size);
1867 case tpo_enumeration:
1868 case tpo_uninitialized:
1869 parse_error(env, "can't import this type kind (%d)", tpop);
1872 parse_error(env, "unknown type kind: \"%d\"\n", tpop);
1877 set_type_alignment_bytes(type, align);
1878 type->flags = flags;
1880 if (state == layout_fixed)
1881 ARR_APP1(ir_type *, env->fixedtypes, type);
1883 set_id(env, typenr, type);
1886 static void read_unknown_entity(read_env_t *env)
1888 long entnr = read_long(env);
1889 ir_entity *entity = get_unknown_entity();
1890 set_id(env, entnr, entity);
1893 /** Reads an entity description and remembers it by its id. */
1894 static void read_entity(read_env_t *env, ir_entity_kind kind)
1896 long entnr = read_long(env);
1898 ident *ld_name = NULL;
1899 ir_visibility visibility = ir_visibility_external;
1900 ir_linkage linkage = IR_LINKAGE_DEFAULT;
1901 ir_type *owner = NULL;
1902 ir_entity *entity = NULL;
1903 int compiler_generated;
1904 ir_volatility volatility;
1908 if (kind != IR_ENTITY_LABEL && kind != IR_ENTITY_PARAMETER) {
1909 name = read_ident(env);
1910 ld_name = read_ident_null(env);
1913 visibility = read_visibility(env);
1914 expect_list_begin(env);
1915 while (list_has_next(env)) {
1916 linkage |= read_linkage(env);
1919 type = read_type_ref(env);
1920 if (kind != IR_ENTITY_LABEL)
1921 owner = read_type_ref(env);
1923 compiler_generated = read_long(env) != 0;
1924 volatility = read_volatility(env);
1927 case IR_ENTITY_NORMAL:
1928 entity = new_entity(owner, name, type);
1929 if (ld_name != NULL)
1930 set_entity_ld_ident(entity, ld_name);
1931 str = read_word(env);
1932 if (strcmp(str, "initializer") == 0) {
1933 ir_initializer_t *initializer = read_initializer(env);
1934 if (initializer != NULL)
1935 set_entity_initializer(entity, initializer);
1936 } else if (strcmp(str, "none") == 0) {
1939 parse_error(env, "expected 'initializer' or 'none' got '%s'\n", str);
1942 case IR_ENTITY_COMPOUND_MEMBER:
1943 entity = new_entity(owner, name, type);
1944 if (ld_name != NULL)
1945 set_entity_ld_ident(entity, ld_name);
1946 set_entity_offset(entity, (int) read_long(env));
1947 set_entity_offset_bits_remainder(entity, (unsigned char) read_long(env));
1949 case IR_ENTITY_METHOD:
1950 entity = new_entity(owner, name, type);
1951 if (ld_name != NULL)
1952 set_entity_ld_ident(entity, ld_name);
1954 case IR_ENTITY_PARAMETER: {
1955 char *str = read_word(env);
1956 size_t parameter_number;
1957 if (strcmp(str, "va_start") == 0) {
1958 parameter_number = IR_VA_START_PARAMETER_NUMBER;
1960 parameter_number = atol(str);
1962 obstack_free(&env->obst, str);
1963 entity = new_parameter_entity(owner, parameter_number, type);
1966 case IR_ENTITY_LABEL: {
1967 ir_label_t nr = get_irp_next_label_nr();
1968 entity = new_label_entity(nr);
1971 case IR_ENTITY_UNKNOWN:
1972 panic("read_entity with IR_ENTITY_UNKNOWN?");
1975 set_entity_compiler_generated(entity, compiler_generated);
1976 set_entity_volatility(entity, volatility);
1977 set_entity_visibility(entity, visibility);
1978 set_entity_linkage(entity, linkage);
1980 if (owner != NULL && is_Array_type(owner)) {
1981 set_array_element_entity(owner, entity);
1984 set_id(env, entnr, entity);
1987 /** Parses the whole type graph. */
1988 static void read_typegraph(read_env_t *env)
1990 ir_graph *old_irg = env->irg;
1994 env->irg = get_const_code_irg();
1996 /* parse all types first */
2000 if (env->c == '}') {
2005 kwkind = read_keyword(env);
2012 read_entity(env, IR_ENTITY_NORMAL);
2015 read_entity(env, IR_ENTITY_LABEL);
2018 read_entity(env, IR_ENTITY_METHOD);
2020 case kw_compound_member:
2021 read_entity(env, IR_ENTITY_COMPOUND_MEMBER);
2024 read_entity(env, IR_ENTITY_PARAMETER);
2027 read_unknown_entity(env);
2030 parse_error(env, "type graph element not supported yet: %d\n", kwkind);
2039 * Read a node reference and return the node for it. This assumes that the node
2040 * was previously read. This is fine for all normal nodes.
2041 * (Note: that we "break" loops by having special code for phi, block or anchor
2042 * nodes in place, firm guarantees us that a loop in the graph always contains
2043 * a phi, block or anchor node)
2045 static ir_node *read_node_ref(read_env_t *env)
2047 long nr = read_long(env);
2048 ir_node *node = get_node_or_null(env, nr);
2050 parse_error(env, "node %ld not defined (yet?)\n", nr);
2051 return new_r_Bad(env->irg, mode_ANY);
2056 static int read_preds(read_env_t *env)
2058 expect_list_begin(env);
2059 assert(obstack_object_size(&env->preds_obst) == 0);
2060 while (list_has_next(env)) {
2061 ir_node *pred = read_node_ref(env);
2062 obstack_grow(&env->preds_obst, &pred, sizeof(pred));
2064 return obstack_object_size(&env->preds_obst) / sizeof(ir_node*);
2067 static void read_preds_delayed(read_env_t *env, ir_node *node)
2072 expect_list_begin(env);
2073 assert(obstack_object_size(&env->preds_obst) == 0);
2074 obstack_blank(&env->preds_obst, sizeof(delayed_pred_t));
2075 while (list_has_next(env)) {
2076 long pred_nr = read_long(env);
2077 obstack_grow(&env->preds_obst, &pred_nr, sizeof(pred_nr));
2080 d = (delayed_pred_t*) obstack_finish(&env->preds_obst);
2082 d->n_preds = n_preds;
2084 ARR_APP1(const delayed_pred_t*, env->delayed_preds, d);
2087 static ir_node *read_ASM(read_env_t *env)
2092 ir_asm_constraint *input_constraints = NEW_ARR_F(ir_asm_constraint, 0);
2093 ir_asm_constraint *output_constraints = NEW_ARR_F(ir_asm_constraint, 0);
2094 ident **clobbers = NEW_ARR_F(ident*, 0);
2095 ir_node *block = read_node_ref(env);
2096 op_pin_state pin_state;
2098 ident *asm_text = read_ident(env);
2100 expect_list_begin(env);
2101 while (list_has_next(env)) {
2102 ir_asm_constraint constraint;
2103 constraint.pos = read_unsigned(env);
2104 constraint.constraint = read_ident(env);
2105 constraint.mode = read_mode_ref(env);
2106 ARR_APP1(ir_asm_constraint, input_constraints, constraint);
2109 expect_list_begin(env);
2110 while (list_has_next(env)) {
2111 ir_asm_constraint constraint;
2112 constraint.pos = read_unsigned(env);
2113 constraint.constraint = read_ident(env);
2114 constraint.mode = read_mode_ref(env);
2115 ARR_APP1(ir_asm_constraint, output_constraints, constraint);
2118 expect_list_begin(env);
2119 while (list_has_next(env)) {
2120 ident *clobber = read_ident(env);
2121 ARR_APP1(ident*, clobbers, clobber);
2124 pin_state = read_pin_state(env);
2126 n_in = read_preds(env);
2127 in = (ir_node**)obstack_finish(&env->preds_obst);
2129 if (ARR_LEN(input_constraints) != (size_t)n_in) {
2130 parse_error(env, "input_constraints != n_in in ir file");
2131 return new_r_Bad(env->irg, mode_T);
2134 newnode = new_r_ASM(block, n_in, in,
2135 input_constraints, ARR_LEN(output_constraints),
2136 output_constraints, ARR_LEN(clobbers),
2137 clobbers, asm_text);
2138 set_irn_pinned(newnode, pin_state);
2139 obstack_free(&env->preds_obst, in);
2140 DEL_ARR_F(clobbers);
2141 DEL_ARR_F(output_constraints);
2142 DEL_ARR_F(input_constraints);
2146 static ir_node *read_Phi(read_env_t *env)
2148 ir_node *block = read_node_ref(env);
2149 ir_mode *mode = read_mode_ref(env);
2150 ir_node *res = new_r_Phi(block, 0, NULL, mode);
2151 read_preds_delayed(env, res);
2155 static ir_node *read_Block(read_env_t *env)
2157 ir_node *res = new_r_Block(env->irg, 0, NULL);
2158 read_preds_delayed(env, res);
2162 static ir_node *read_labeled_Block(read_env_t *env)
2164 ir_node *res = new_r_Block(env->irg, 0, NULL);
2165 ir_entity *entity = read_entity_ref(env);
2166 read_preds_delayed(env, res);
2167 set_Block_entity(res, entity);
2171 static ir_node *read_SymConst(read_env_t *env)
2173 ir_mode *mode = read_mode_ref(env);
2174 ir_entity *entity = read_entity_ref(env);
2176 symconst_symbol sym;
2178 sym.entity_p = entity;
2179 res = new_r_SymConst(env->irg, mode, sym, symconst_addr_ent);
2183 static ir_node *read_Anchor(read_env_t *env)
2185 ir_node *res = new_r_Anchor(env->irg);
2186 read_preds_delayed(env, res);
2190 typedef ir_node* read_node_func(read_env_t *env);
2191 static pmap *node_readers;
2193 static void register_node_reader(ident *ident, read_node_func* func)
2195 pmap_insert(node_readers, ident, (void*)func);
2198 static ir_node *read_node(read_env_t *env)
2200 ident *id = read_symbol(env);
2201 read_node_func *func = pmap_get(read_node_func, node_readers, id);
2202 long nr = read_long(env);
2205 parse_error(env, "Unknown nodetype '%s'", get_id_str(id));
2207 res = new_r_Bad(env->irg, mode_ANY);
2211 set_id(env, nr, res);
2215 static void readers_init(void)
2217 assert(node_readers == NULL);
2218 node_readers = pmap_create();
2219 register_node_reader(new_id_from_str("Anchor"), read_Anchor);
2220 register_node_reader(new_id_from_str("ASM"), read_ASM);
2221 register_node_reader(new_id_from_str("Block"), read_Block);
2222 register_node_reader(new_id_from_str("BlockL"), read_labeled_Block);
2223 register_node_reader(new_id_from_str("Phi"), read_Phi);
2224 register_node_reader(new_id_from_str("SymConst"), read_SymConst);
2225 register_generated_node_readers();
2228 static void read_graph(read_env_t *env, ir_graph *irg)
2230 size_t n_delayed_preds;
2234 env->delayed_preds = NEW_ARR_F(const delayed_pred_t*, 0);
2239 if (env->c == '}' || env->c == EOF) {
2247 /* resolve delayed preds */
2248 n_delayed_preds = ARR_LEN(env->delayed_preds);
2249 for (i = 0; i < n_delayed_preds; ++i) {
2250 const delayed_pred_t *dp = env->delayed_preds[i];
2251 ir_node **ins = ALLOCAN(ir_node*, dp->n_preds);
2253 for (i = 0; i < dp->n_preds; ++i) {
2254 long pred_nr = dp->preds[i];
2255 ir_node *pred = get_node_or_null(env, pred_nr);
2257 parse_error(env, "predecessor %ld of a node not defined\n",
2259 goto next_delayed_pred;
2263 set_irn_in(dp->node, dp->n_preds, ins);
2264 if (is_Anchor(dp->node)) {
2266 for (a = anchor_first; a <= anchor_last; ++a) {
2267 ir_node *old_anchor = get_irg_anchor(irg, a);
2268 ir_node *new_anchor = ins[a];
2269 exchange(old_anchor, new_anchor);
2272 next_delayed_pred: ;
2274 DEL_ARR_F(env->delayed_preds);
2275 env->delayed_preds = NULL;
2278 static ir_graph *read_irg(read_env_t *env)
2280 ir_entity *irgent = get_entity(env, read_long(env));
2281 ir_graph *irg = new_ir_graph(irgent, 0);
2282 ir_type *frame = read_type_ref(env);
2283 irg_inline_property prop = read_inline_property(env);
2284 unsigned props = read_unsigned(env);
2285 set_irg_frame_type(irg, frame);
2286 set_irg_inline_property(irg, prop);
2287 set_irg_additional_properties(irg, (mtp_additional_properties)props);
2288 read_graph(env, irg);
2289 irg_finalize_cons(irg);
2293 static void read_modes(read_env_t *env)
2301 if (env->c == '}' || env->c == EOF) {
2306 kwkind = read_keyword(env);
2309 const char *name = read_string(env);
2310 ir_mode_arithmetic arith = read_mode_arithmetic(env);
2311 int size = read_long(env);
2312 int sign = read_long(env);
2313 unsigned modulo_shift = read_long(env);
2314 new_int_mode(name, arith, size, sign, modulo_shift);
2317 case kw_reference_mode: {
2318 const char *name = read_string(env);
2319 ir_mode_arithmetic arith = read_mode_arithmetic(env);
2320 int size = read_long(env);
2321 unsigned modulo_shift = read_long(env);
2322 ir_mode *mode = new_reference_mode(name, arith, size, modulo_shift);
2323 set_reference_mode_signed_eq(mode, read_mode_ref(env));
2324 set_reference_mode_unsigned_eq(mode, read_mode_ref(env));
2325 int is_mode_P = read_int(env);
2327 set_modeP_data(mode);
2328 set_modeP_code(mode);
2332 case kw_float_mode: {
2333 const char *name = read_string(env);
2334 ir_mode_arithmetic arith = read_mode_arithmetic(env);
2335 int exponent_size = read_long(env);
2336 int mantissa_size = read_long(env);
2337 new_float_mode(name, arith, exponent_size, mantissa_size);
2348 static void read_program(read_env_t *env)
2356 if (env->c == '}') {
2361 kwkind = read_keyword(env);
2363 case kw_segment_type: {
2364 ir_segment_t segment = (ir_segment_t) read_enum(env, tt_segment);
2365 ir_type *type = read_type_ref(env);
2366 set_segment_type(segment, type);
2370 ident *text = read_ident(env);
2375 parse_error(env, "unexpected keyword %d\n", kwkind);
2381 int ir_import(const char *filename)
2383 FILE *file = fopen(filename, "rt");
2390 res = ir_import_file(file, filename);
2396 int ir_import_file(FILE *input, const char *inputname)
2399 int oldoptimize = get_optimize();
2400 read_env_t *env = &myenv;
2403 size_t n_delayed_initializers;
2408 memset(env, 0, sizeof(*env));
2409 obstack_init(&env->obst);
2410 obstack_init(&env->preds_obst);
2411 env->idset = new_set(id_cmp, 128);
2412 env->fixedtypes = NEW_ARR_F(ir_type *, 0);
2413 env->inputname = inputname;
2416 env->delayed_initializers = NEW_ARR_F(delayed_initializer_t, 0);
2418 /* read first character */
2430 kw = read_keyword(env);
2437 read_typegraph(env);
2445 ir_graph *constirg = get_const_code_irg();
2446 long bodyblockid = read_long(env);
2447 set_id(env, bodyblockid, constirg->current_block);
2448 read_graph(env, constirg);
2457 parse_error(env, "Unexpected keyword %d at toplevel\n", kw);
2463 n = ARR_LEN(env->fixedtypes);
2464 for (i = 0; i < n; i++)
2465 set_type_state(env->fixedtypes[i], layout_fixed);
2467 DEL_ARR_F(env->fixedtypes);
2469 /* resolve delayed initializers */
2470 n_delayed_initializers = ARR_LEN(env->delayed_initializers);
2471 for (i = 0; i < n_delayed_initializers; ++i) {
2472 const delayed_initializer_t *di = &env->delayed_initializers[i];
2473 ir_node *node = get_node_or_null(env, di->node_nr);
2475 parse_error(env, "node %ld mentioned in an initializer was never defined\n",
2479 assert(di->initializer->kind == IR_INITIALIZER_CONST);
2480 di->initializer->consti.value = node;
2482 DEL_ARR_F(env->delayed_initializers);
2483 env->delayed_initializers = NULL;
2485 del_set(env->idset);
2487 irp_finalize_cons();
2489 set_optimize(oldoptimize);
2491 obstack_free(&env->preds_obst, NULL);
2492 obstack_free(&env->obst, NULL);
2494 pmap_destroy(node_readers);
2495 node_readers = NULL;
2497 return env->read_errors;
2500 #include "gen_irio.inl"