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 {
127 typedef struct symbol_t {
128 const char *str; /**< The name of this symbol. */
129 typetag_t typetag; /**< The type tag of this symbol. */
130 unsigned code; /**< The value of this symbol. */
133 typedef struct id_entry {
138 /** The symbol table, a set of symbol_t elements. */
142 * Compare two symbol table entries.
144 static int symbol_cmp(const void *elt, const void *key, size_t size)
147 const symbol_t *entry = (const symbol_t *) elt;
148 const symbol_t *keyentry = (const symbol_t *) key;
150 res = entry->typetag - keyentry->typetag;
152 return strcmp(entry->str, keyentry->str);
155 static int id_cmp(const void *elt, const void *key, size_t size)
157 const id_entry *entry = (const id_entry *) elt;
158 const id_entry *keyentry = (const id_entry *) key;
160 return entry->id - keyentry->id;
163 static void __attribute__((format(printf, 2, 3)))
164 parse_error(read_env_t *env, const char *fmt, ...)
167 unsigned line = env->line;
169 /* workaround read_c "feature" that a '\n' triggers the line++
170 * instead of the character after the '\n' */
171 if (env->c == '\n') {
175 fprintf(stderr, "%s:%u: error ", env->inputname, line);
176 env->read_errors = true;
178 /* let's hope firm doesn't die on further errors */
179 do_node_verification(0);
182 vfprintf(stderr, fmt, ap);
186 /** Initializes the symbol table. May be called more than once without problems. */
187 static void symtbl_init(void)
191 /* Only initialize once */
195 symtbl = new_set(symbol_cmp, 256);
197 #define INSERT(tt, s, cod) \
199 key.typetag = (tt); \
201 set_insert(symtbl, &key, sizeof(key), firm_fnv_hash_str(s) + tt * 17)
203 #define INSERTENUM(tt, e) INSERT(tt, #e, e)
204 #define INSERTKEYWORD(k) INSERT(tt_keyword, #k, kw_##k)
206 INSERT(tt_tpo, "array", tpo_array);
207 INSERT(tt_tpo, "class", tpo_class);
208 INSERT(tt_tpo, "method", tpo_method);
209 INSERT(tt_tpo, "pointer", tpo_pointer);
210 INSERT(tt_tpo, "primitive", tpo_primitive);
211 INSERT(tt_tpo, "struct", tpo_struct);
212 INSERT(tt_tpo, "union", tpo_union);
213 INSERT(tt_tpo, "Unknown", tpo_unknown);
215 INSERT(tt_segment, "global", IR_SEGMENT_GLOBAL);
216 INSERT(tt_segment, "thread_local", IR_SEGMENT_THREAD_LOCAL);
217 INSERT(tt_segment, "constructors", IR_SEGMENT_CONSTRUCTORS);
218 INSERT(tt_segment, "destructors", IR_SEGMENT_DESTRUCTORS);
220 INSERT(tt_linkage, "constant", IR_LINKAGE_CONSTANT);
221 INSERT(tt_linkage, "weak", IR_LINKAGE_WEAK);
222 INSERT(tt_linkage, "garbage_collect", IR_LINKAGE_GARBAGE_COLLECT);
223 INSERT(tt_linkage, "merge", IR_LINKAGE_MERGE);
224 INSERT(tt_linkage, "hidden_user", IR_LINKAGE_HIDDEN_USER);
226 INSERT(tt_visibility, "local", ir_visibility_local);
227 INSERT(tt_visibility, "external", ir_visibility_external);
228 INSERT(tt_visibility, "default", ir_visibility_default);
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);
251 INSERTENUM(tt_align, align_non_aligned);
252 INSERTENUM(tt_align, align_is_aligned);
254 INSERTENUM(tt_builtin_kind, ir_bk_trap);
255 INSERTENUM(tt_builtin_kind, ir_bk_debugbreak);
256 INSERTENUM(tt_builtin_kind, ir_bk_return_address);
257 INSERTENUM(tt_builtin_kind, ir_bk_frame_address);
258 INSERTENUM(tt_builtin_kind, ir_bk_prefetch);
259 INSERTENUM(tt_builtin_kind, ir_bk_ffs);
260 INSERTENUM(tt_builtin_kind, ir_bk_clz);
261 INSERTENUM(tt_builtin_kind, ir_bk_ctz);
262 INSERTENUM(tt_builtin_kind, ir_bk_popcount);
263 INSERTENUM(tt_builtin_kind, ir_bk_parity);
264 INSERTENUM(tt_builtin_kind, ir_bk_bswap);
265 INSERTENUM(tt_builtin_kind, ir_bk_inport);
266 INSERTENUM(tt_builtin_kind, ir_bk_outport);
267 INSERTENUM(tt_builtin_kind, ir_bk_inner_trampoline);
269 INSERTENUM(tt_cond_jmp_predicate, COND_JMP_PRED_NONE);
270 INSERTENUM(tt_cond_jmp_predicate, COND_JMP_PRED_TRUE);
271 INSERTENUM(tt_cond_jmp_predicate, COND_JMP_PRED_FALSE);
273 INSERTENUM(tt_initializer, IR_INITIALIZER_CONST);
274 INSERTENUM(tt_initializer, IR_INITIALIZER_TARVAL);
275 INSERTENUM(tt_initializer, IR_INITIALIZER_NULL);
276 INSERTENUM(tt_initializer, IR_INITIALIZER_COMPOUND);
278 INSERT(tt_mode_arithmetic, "uninitialized", irma_uninitialized);
279 INSERT(tt_mode_arithmetic, "none", irma_none);
280 INSERT(tt_mode_arithmetic, "twos_complement", irma_twos_complement);
281 INSERT(tt_mode_arithmetic, "ieee754", irma_ieee754);
282 INSERT(tt_mode_arithmetic, "x86_extended_float", irma_x86_extended_float);
284 INSERT(tt_irg_inline_property, "any", irg_inline_any);
285 INSERT(tt_irg_inline_property, "recommended", irg_inline_recomended);
286 INSERT(tt_irg_inline_property, "forbidden", irg_inline_forbidden);
287 INSERT(tt_irg_inline_property, "forced", irg_inline_forced);
288 INSERT(tt_irg_inline_property, "forced_no_body", irg_inline_forced_no_body);
290 INSERTENUM(tt_pin_state, op_pin_state_floats);
291 INSERTENUM(tt_pin_state, op_pin_state_pinned);
292 INSERTENUM(tt_pin_state, op_pin_state_exc_pinned);
293 INSERTENUM(tt_pin_state, op_pin_state_mem_pinned);
295 INSERTENUM(tt_type_state, layout_undefined);
296 INSERTENUM(tt_type_state, layout_fixed);
298 INSERTENUM(tt_volatility, volatility_non_volatile);
299 INSERTENUM(tt_volatility, volatility_is_volatile);
301 INSERTENUM(tt_where_alloc, stack_alloc);
302 INSERTENUM(tt_where_alloc, heap_alloc);
309 static const char *get_segment_name(ir_segment_t segment)
312 case IR_SEGMENT_GLOBAL: return "global";
313 case IR_SEGMENT_THREAD_LOCAL: return "thread_local";
314 case IR_SEGMENT_CONSTRUCTORS: return "constructors";
315 case IR_SEGMENT_DESTRUCTORS: return "destructors";
317 panic("INVALID_SEGMENT");
320 static const char *get_visibility_name(ir_visibility visibility)
322 switch (visibility) {
323 case ir_visibility_local: return "local";
324 case ir_visibility_external: return "external";
325 case ir_visibility_default: return "default";
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 = (symbol_t*)set_find(symtbl, &key, sizeof(key), firm_fnv_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 if (type == firm_unknown_type) {
401 write_symbol(env, "unknown");
402 } else if (type == firm_none_type) {
403 write_symbol(env, "none");
404 } else if (type == firm_code_type) {
405 write_symbol(env, "code");
407 write_long(env, get_type_nr(type));
411 static void write_string(write_env_t *env, const char *string)
414 fputc('"', env->file);
415 for (c = string; *c != '\0'; ++c) {
418 fputc('\\', env->file);
419 fputc('n', env->file);
423 fputc('\\', env->file);
426 fputc(*c, env->file);
430 fputc('"', env->file);
431 fputc(' ', env->file);
434 static void write_ident(write_env_t *env, ident *id)
436 write_string(env, get_id_str(id));
439 static void write_ident_null(write_env_t *env, ident *id)
442 fputs("NULL ", env->file);
444 write_ident(env, id);
448 static void write_mode_ref(write_env_t *env, ir_mode *mode)
450 write_string(env, get_mode_name(mode));
453 static void write_tarval(write_env_t *env, ir_tarval *tv)
455 write_mode_ref(env, get_tarval_mode(tv));
456 if (tv == tarval_bad) {
457 write_symbol(env, "bad");
460 tarval_snprintf(buf, sizeof(buf), tv);
461 fputs(buf, env->file);
462 fputc(' ', env->file);
466 static void write_align(write_env_t *env, ir_align align)
468 fputs(get_align_name(align), env->file);
469 fputc(' ', env->file);
472 static void write_builtin_kind(write_env_t *env, const ir_node *node)
474 fputs(get_builtin_kind_name(get_Builtin_kind(node)), env->file);
475 fputc(' ', env->file);
478 static void write_cond_jmp_predicate(write_env_t *env, const ir_node *node)
480 fputs(get_cond_jmp_predicate_name(get_Cond_jmp_pred(node)), env->file);
481 fputc(' ', env->file);
484 static void write_relation(write_env_t *env, ir_relation relation)
486 write_long(env, (long)relation);
489 static void write_where_alloc(write_env_t *env, ir_where_alloc where_alloc)
491 switch (where_alloc) {
492 case stack_alloc: write_symbol(env, "stack_alloc"); return;
493 case heap_alloc: write_symbol(env, "heap_alloc"); return;
495 panic("invalid where_alloc value");
498 static void write_throws(write_env_t *env, bool throws)
500 write_symbol(env, throws ? "throw" : "nothrow");
503 static void write_list_begin(write_env_t *env)
505 fputs("[", env->file);
508 static void write_list_end(write_env_t *env)
510 fputs("] ", env->file);
513 static void write_scope_begin(write_env_t *env)
515 fputs("{\n", env->file);
518 static void write_scope_end(write_env_t *env)
520 fputs("}\n\n", env->file);
523 static void write_node_ref(write_env_t *env, const ir_node *node)
525 write_long(env, get_irn_node_nr(node));
528 static void write_initializer(write_env_t *env, ir_initializer_t *ini)
531 ir_initializer_kind_t ini_kind = get_initializer_kind(ini);
533 fputs(get_initializer_kind_name(ini_kind), f);
537 case IR_INITIALIZER_CONST:
538 write_node_ref(env, get_initializer_const_value(ini));
541 case IR_INITIALIZER_TARVAL:
542 write_tarval(env, get_initializer_tarval_value(ini));
545 case IR_INITIALIZER_NULL:
548 case IR_INITIALIZER_COMPOUND: {
549 size_t i, n = get_initializer_compound_n_entries(ini);
550 write_size_t(env, n);
551 for (i = 0; i < n; ++i)
552 write_initializer(env, get_initializer_compound_value(ini, i));
556 panic("Unknown initializer kind");
559 static void write_pin_state(write_env_t *env, op_pin_state state)
561 fputs(get_op_pin_state_name(state), env->file);
562 fputc(' ', env->file);
565 static void write_volatility(write_env_t *env, ir_volatility vol)
567 fputs(get_volatility_name(vol), env->file);
568 fputc(' ', env->file);
571 static void write_inline_property(write_env_t *env, irg_inline_property prop)
573 fputs(get_irg_inline_property_name(prop), env->file);
574 fputc(' ', env->file);
577 static void write_type_state(write_env_t *env, ir_type_state state)
579 fputs(get_type_state_name(state), env->file);
580 fputc(' ', env->file);
583 static void write_visibility(write_env_t *env, ir_visibility visibility)
585 fputs(get_visibility_name(visibility), env->file);
586 fputc(' ', env->file);
589 static void write_mode_arithmetic(write_env_t *env, ir_mode_arithmetic arithmetic)
591 fputs(get_mode_arithmetic_name(arithmetic), env->file);
592 fputc(' ', env->file);
595 static void write_type(write_env_t *env, ir_type *tp);
596 static void write_entity(write_env_t *env, ir_entity *entity);
598 static void write_type_common(write_env_t *env, ir_type *tp)
600 fputc('\t', env->file);
601 write_symbol(env, "type");
602 write_long(env, get_type_nr(tp));
603 write_symbol(env, get_type_tpop_name(tp));
604 write_unsigned(env, get_type_size_bytes(tp));
605 write_unsigned(env, get_type_alignment_bytes(tp));
606 write_type_state(env, get_type_state(tp));
607 write_unsigned(env, tp->flags);
610 static void write_type_primitive(write_env_t *env, ir_type *tp)
612 ir_type *base_type = get_primitive_base_type(tp);
614 if (base_type != NULL)
615 write_type(env, base_type);
617 write_type_common(env, tp);
618 write_mode_ref(env, get_type_mode(tp));
619 if (base_type == NULL)
620 base_type = firm_none_type;
621 write_type_ref(env, base_type);
622 fputc('\n', env->file);
625 static void write_type_compound(write_env_t *env, ir_type *tp)
627 size_t n_members = get_compound_n_members(tp);
630 if (is_Class_type(tp)) {
631 if (get_class_n_subtypes(tp) > 0 || get_class_n_supertypes(tp) > 0
632 || get_class_type_info(tp) != NULL || get_class_vtable_size(tp) > 0) {
633 /* sub/superclass export not implemented yet, it's unclear wether
634 * class types will stay in libfirm anyway */
635 panic("can't export class types yet");
638 write_type_common(env, tp);
639 write_ident_null(env, get_compound_ident(tp));
640 fputc('\n', env->file);
642 for (i = 0; i < n_members; ++i) {
643 ir_entity *member = get_compound_member(tp, i);
644 write_entity(env, member);
648 static void write_type_array(write_env_t *env, ir_type *tp)
650 size_t n_dimensions = get_array_n_dimensions(tp);
651 ir_type *element_type = get_array_element_type(tp);
652 ir_entity *element_entity = get_array_element_entity(tp);
655 write_type(env, element_type);
657 write_type_common(env, tp);
658 write_size_t(env, n_dimensions);
659 write_type_ref(env, get_array_element_type(tp));
660 for (i = 0; i < n_dimensions; i++) {
661 ir_node *lower = get_array_lower_bound(tp, i);
662 ir_node *upper = get_array_upper_bound(tp, i);
665 write_long(env, get_tarval_long(get_Const_tarval(lower)));
667 panic("Lower array bound is not constant");
670 write_long(env, get_tarval_long(get_Const_tarval(upper)));
671 else if (is_Unknown(upper))
672 write_symbol(env, "unknown");
674 panic("Upper array bound is not constant");
676 /* note that we just write a reference to the element entity
677 * but never the entity itself */
678 write_entity_ref(env, element_entity);
679 fputc('\n', env->file);
682 static void write_type_method(write_env_t *env, ir_type *tp)
684 size_t nparams = get_method_n_params(tp);
685 size_t nresults = get_method_n_ress(tp);
688 for (i = 0; i < nparams; i++)
689 write_type(env, get_method_param_type(tp, i));
690 for (i = 0; i < nresults; i++)
691 write_type(env, get_method_res_type(tp, i));
693 write_type_common(env, tp);
694 write_unsigned(env, get_method_calling_convention(tp));
695 write_unsigned(env, get_method_additional_properties(tp));
696 write_size_t(env, nparams);
697 write_size_t(env, nresults);
698 for (i = 0; i < nparams; i++)
699 write_type_ref(env, get_method_param_type(tp, i));
700 for (i = 0; i < nresults; i++)
701 write_type_ref(env, get_method_res_type(tp, i));
702 write_unsigned(env, get_method_variadicity(tp));
703 fputc('\n', env->file);
706 static void write_type_pointer(write_env_t *env, ir_type *tp)
708 ir_type *points_to = get_pointer_points_to_type(tp);
710 write_type(env, points_to);
712 write_type_common(env, tp);
713 write_mode_ref(env, get_type_mode(tp));
714 write_type_ref(env, points_to);
715 fputc('\n', env->file);
718 static void write_type_enumeration(write_env_t *env, ir_type *tp)
720 write_type_common(env, tp);
721 write_ident_null(env, get_enumeration_ident(tp));
722 fputc('\n', env->file);
725 static void write_type(write_env_t *env, ir_type *tp)
727 if (type_visited(tp))
729 mark_type_visited(tp);
731 switch ((tp_opcode)get_type_tpop_code(tp)) {
735 case tpo_uninitialized:
736 /* no need to write special builtin types */
742 write_type_compound(env, tp);
745 case tpo_primitive: write_type_primitive(env, tp); return;
746 case tpo_enumeration: write_type_enumeration(env, tp); return;
747 case tpo_method: write_type_method(env, tp); return;
748 case tpo_pointer: write_type_pointer(env, tp); return;
749 case tpo_array: write_type_array(env, tp); return;
751 panic("can't write invalid type %+F\n", tp);
754 static void write_entity(write_env_t *env, ir_entity *ent)
756 ir_type *type = get_entity_type(ent);
757 ir_type *owner = get_entity_owner(ent);
758 ir_visibility visibility = get_entity_visibility(ent);
759 ir_linkage linkage = get_entity_linkage(ent);
761 if (entity_visited(ent))
763 mark_entity_visited(ent);
765 write_type(env, type);
766 write_type(env, owner);
768 fputc('\t', env->file);
769 switch ((ir_entity_kind)ent->entity_kind) {
770 case IR_ENTITY_NORMAL: write_symbol(env, "entity"); break;
771 case IR_ENTITY_METHOD: write_symbol(env, "method"); break;
772 case IR_ENTITY_LABEL: write_symbol(env, "label"); break;
773 case IR_ENTITY_COMPOUND_MEMBER: write_symbol(env, "compound_member"); break;
774 case IR_ENTITY_PARAMETER: write_symbol(env, "parameter"); break;
776 write_long(env, get_entity_nr(ent));
778 if (ent->entity_kind != IR_ENTITY_LABEL
779 && ent->entity_kind != IR_ENTITY_PARAMETER) {
780 write_ident_null(env, get_entity_ident(ent));
781 if (!entity_has_ld_ident(ent)) {
782 write_ident_null(env, NULL);
784 write_ident_null(env, get_entity_ld_ident(ent));
788 write_visibility(env, visibility);
789 write_list_begin(env);
790 if (linkage & IR_LINKAGE_CONSTANT)
791 write_symbol(env, "constant");
792 if (linkage & IR_LINKAGE_WEAK)
793 write_symbol(env, "weak");
794 if (linkage & IR_LINKAGE_GARBAGE_COLLECT)
795 write_symbol(env, "garbage_collect");
796 if (linkage & IR_LINKAGE_MERGE)
797 write_symbol(env, "merge");
798 if (linkage & IR_LINKAGE_HIDDEN_USER)
799 write_symbol(env, "hidden_user");
802 write_type_ref(env, type);
803 if (ent->entity_kind != IR_ENTITY_LABEL)
804 write_type_ref(env, owner);
805 write_long(env, is_entity_compiler_generated(ent));
806 write_volatility(env, get_entity_volatility(ent));
808 switch ((ir_entity_kind)ent->entity_kind) {
809 case IR_ENTITY_NORMAL:
810 if (ent->initializer != NULL) {
811 write_symbol(env, "initializer");
812 write_initializer(env, get_entity_initializer(ent));
813 } else if (entity_has_compound_ent_values(ent)) {
814 /* compound graph API is deprecated */
815 panic("exporting compound_graph initializers not supported");
817 write_symbol(env, "none");
820 case IR_ENTITY_COMPOUND_MEMBER:
821 write_long(env, get_entity_offset(ent));
822 write_unsigned(env, get_entity_offset_bits_remainder(ent));
824 case IR_ENTITY_PARAMETER: {
825 size_t num = get_entity_parameter_number(ent);
826 if (num == IR_VA_START_PARAMETER_NUMBER) {
827 write_symbol(env, "va_start");
829 write_size_t(env, num);
833 case IR_ENTITY_LABEL:
834 case IR_ENTITY_METHOD:
838 fputc('\n', env->file);
841 static void write_switch_table(write_env_t *env, const ir_switch_table *table)
843 size_t n_entries = ir_switch_table_get_n_entries(table);
846 write_size_t(env, n_entries);
847 for (i = 0; i < n_entries; ++i) {
848 long pn = ir_switch_table_get_pn(table, i);
849 ir_tarval *min = ir_switch_table_get_min(table, i);
850 ir_tarval *max = ir_switch_table_get_max(table, i);
852 write_tarval(env, min);
853 write_tarval(env, max);
857 static void write_pred_refs(write_env_t *env, const ir_node *node, int from)
859 int arity = get_irn_arity(node);
861 write_list_begin(env);
862 assert(from <= arity);
863 for (i = from; i < arity; ++i) {
864 ir_node *pred = get_irn_n(node, i);
865 write_node_ref(env, pred);
870 static void write_node_nr(write_env_t *env, const ir_node *node)
872 write_long(env, get_irn_node_nr(node));
875 static void write_ASM(write_env_t *env, const ir_node *node)
877 ir_asm_constraint *input_constraints = get_ASM_input_constraints(node);
878 ir_asm_constraint *output_constraints = get_ASM_output_constraints(node);
879 ident **clobbers = get_ASM_clobbers(node);
880 size_t n_input_constraints = get_ASM_n_input_constraints(node);
881 size_t n_output_constraints = get_ASM_n_output_constraints(node);
882 size_t n_clobbers = get_ASM_n_clobbers(node);
885 write_symbol(env, "ASM");
886 write_node_nr(env, node);
887 write_node_nr(env, get_nodes_block(node));
889 write_ident(env, get_ASM_text(node));
890 write_list_begin(env);
891 for (i = 0; i < n_input_constraints; ++i) {
892 const ir_asm_constraint *constraint = &input_constraints[i];
893 write_unsigned(env, constraint->pos);
894 write_ident(env, constraint->constraint);
895 write_mode_ref(env, constraint->mode);
899 write_list_begin(env);
900 for (i = 0; i < n_output_constraints; ++i) {
901 const ir_asm_constraint *constraint = &output_constraints[i];
902 write_unsigned(env, constraint->pos);
903 write_ident(env, constraint->constraint);
904 write_mode_ref(env, constraint->mode);
908 write_list_begin(env);
909 for (i = 0; i < n_clobbers; ++i) {
910 ident *clobber = clobbers[i];
911 write_ident(env, clobber);
915 write_pin_state(env, get_irn_pinned(node));
916 write_pred_refs(env, node, 0);
919 static void write_Phi(write_env_t *env, const ir_node *node)
921 write_symbol(env, "Phi");
922 write_node_nr(env, node);
923 write_node_ref(env, get_nodes_block(node));
924 write_mode_ref(env, get_irn_mode(node));
925 write_pred_refs(env, node, 0);
928 static void write_Block(write_env_t *env, const ir_node *node)
930 ir_entity *entity = get_Block_entity(node);
932 if (entity != NULL) {
933 write_symbol(env, "BlockL");
934 write_node_nr(env, node);
935 write_entity_ref(env, entity);
937 write_symbol(env, "Block");
938 write_node_nr(env, node);
940 write_pred_refs(env, node, 0);
943 static void write_Anchor(write_env_t *env, const ir_node *node)
945 write_symbol(env, "Anchor");
946 write_node_nr(env, node);
947 write_pred_refs(env, node, 0);
950 static void write_SymConst(write_env_t *env, const ir_node *node)
952 /* TODO: only symconst_addr_ent implemented yet */
953 if (get_SymConst_kind(node) != symconst_addr_ent)
954 panic("Can't export %+F (only symconst_addr_ent supported)", node);
956 write_symbol(env, "SymConst");
957 write_node_nr(env, node);
958 write_mode_ref(env, get_irn_mode(node));
959 write_entity_ref(env, get_SymConst_entity(node));
962 typedef void (*write_node_func)(write_env_t *env, const ir_node *node);
964 static void register_node_writer(ir_op *op, write_node_func func)
966 set_generic_function_ptr(op, (op_func)func);
969 static void writers_init(void)
971 clear_irp_opcodes_generic_func();
972 register_node_writer(op_Anchor, write_Anchor);
973 register_node_writer(op_ASM, write_ASM);
974 register_node_writer(op_Block, write_Block);
975 register_node_writer(op_Phi, write_Phi);
976 register_node_writer(op_SymConst, write_SymConst);
977 register_generated_node_writers();
980 static void write_node(const ir_node *node, write_env_t *env)
982 ir_op *op = get_irn_op(node);
983 write_node_func func = (write_node_func) get_generic_function_ptr(op);
985 fputc('\t', env->file);
987 panic("No write_node_func for %+F", node);
989 fputc('\n', env->file);
992 static void write_node_recursive(ir_node *node, write_env_t *env);
994 static void write_preds(ir_node *node, write_env_t *env)
996 int arity = get_irn_arity(node);
998 for (i = 0; i < arity; ++i) {
999 ir_node *pred = get_irn_n(node, i);
1000 write_node_recursive(pred, env);
1005 * Recursively write nodes.
1006 * The reader expects nodes in a way that except for block/phi/anchor nodes
1007 * all predecessors are already defined when we reach them. So usually we
1008 * recurse to all our predecessors except for block/phi/anchor nodes where
1009 * we put the predecessors into a queue for later processing.
1011 static void write_node_recursive(ir_node *node, write_env_t *env)
1013 if (irn_visited_else_mark(node))
1016 if (!is_Block(node)) {
1017 write_node_recursive(get_nodes_block(node), env);
1019 /* write predecessors */
1020 if (!is_Phi(node) && !is_Block(node) && !is_Anchor(node)) {
1021 write_preds(node, env);
1023 int arity = get_irn_arity(node);
1025 for (i = 0; i < arity; ++i) {
1026 ir_node *pred = get_irn_n(node, i);
1027 pdeq_putr(env->write_queue, pred);
1030 write_node(node, env);
1033 static void write_mode(write_env_t *env, ir_mode *mode)
1035 if (mode_is_int(mode)) {
1036 write_symbol(env, "int_mode");
1037 write_string(env, get_mode_name(mode));
1038 write_mode_arithmetic(env, get_mode_arithmetic(mode));
1039 write_unsigned(env, get_mode_size_bits(mode));
1040 write_int(env, get_mode_sign(mode));
1041 write_unsigned(env, get_mode_modulo_shift(mode));
1042 } else if (mode_is_reference(mode)) {
1043 write_symbol(env, "reference_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_unsigned(env, get_mode_modulo_shift(mode));
1049 write_mode_ref(env, get_reference_mode_signed_eq(mode));
1050 write_mode_ref(env, get_reference_mode_unsigned_eq(mode));
1051 write_int(env, (mode == mode_P ? 1 : 0));
1052 } else if (mode_is_float(mode)) {
1053 write_symbol(env, "float_mode");
1054 write_string(env, get_mode_name(mode));
1055 write_mode_arithmetic(env, get_mode_arithmetic(mode));
1056 write_unsigned(env, get_mode_exponent_size(mode));
1057 write_unsigned(env, get_mode_mantissa_size(mode));
1059 panic("Can't write internal modes");
1063 static void write_modes(write_env_t *env)
1065 size_t i, n_modes = get_irp_n_modes();
1067 write_symbol(env, "modes");
1068 fputs("{\n", env->file);
1070 for (i = 0; i < n_modes; i++) {
1071 ir_mode *mode = get_irp_mode(i);
1072 if (!mode_is_int(mode) && !mode_is_reference(mode)
1073 && !mode_is_float(mode)) {
1074 /* skip internal modes */
1077 fputc('\t', env->file);
1078 write_mode(env, mode);
1079 fputc('\n', env->file);
1082 fputs("}\n\n", env->file);
1085 static void write_program(write_env_t *env)
1088 size_t n_asms = get_irp_n_asms();
1091 write_symbol(env, "program");
1092 write_scope_begin(env);
1093 if (irp_prog_name_is_set()) {
1094 fputc('\t', env->file);
1095 write_symbol(env, "name");
1096 write_string(env, get_irp_name());
1097 fputc('\n', env->file);
1100 for (s = IR_SEGMENT_FIRST; s <= IR_SEGMENT_LAST; ++s) {
1101 ir_type *segment_type = get_segment_type(s);
1102 fputc('\t', env->file);
1103 write_symbol(env, "segment_type");
1104 write_symbol(env, get_segment_name(s));
1105 if (segment_type == NULL) {
1106 write_symbol(env, "NULL");
1108 write_type_ref(env, segment_type);
1110 fputc('\n', env->file);
1113 for (i = 0; i < n_asms; ++i) {
1114 ident *asm_text = get_irp_asm(i);
1115 fputc('\t', env->file);
1116 write_symbol(env, "asm");
1117 write_ident(env, asm_text);
1118 fputc('\n', env->file);
1120 write_scope_end(env);
1123 int ir_export(const char *filename)
1125 FILE *file = fopen(filename, "wt");
1132 ir_export_file(file);
1138 static void write_node_cb(ir_node *node, void *ctx)
1140 write_env_t *env = (write_env_t*)ctx;
1141 write_node(node, env);
1144 static void write_typegraph(write_env_t *env)
1146 size_t n_types = get_irp_n_types();
1149 write_symbol(env, "typegraph");
1150 write_scope_begin(env);
1151 irp_reserve_resources(irp, IRP_RESOURCE_TYPE_VISITED);
1152 inc_master_type_visited();
1153 for (i = 0; i < n_types; ++i) {
1154 ir_type *type = get_irp_type(i);
1155 write_type(env, type);
1157 irp_free_resources(irp, IRP_RESOURCE_TYPE_VISITED);
1158 write_scope_end(env);
1161 static void write_irg(write_env_t *env, ir_graph *irg)
1163 write_symbol(env, "irg");
1164 write_entity_ref(env, get_irg_entity(irg));
1165 write_type_ref(env, get_irg_frame_type(irg));
1166 write_inline_property(env, get_irg_inline_property(irg));
1167 write_unsigned(env, get_irg_additional_properties(irg));
1168 write_scope_begin(env);
1169 ir_reserve_resources(irg, IR_RESOURCE_IRN_VISITED);
1170 inc_irg_visited(irg);
1171 assert(pdeq_empty(env->write_queue));
1172 pdeq_putr(env->write_queue, irg->anchor);
1174 ir_node *node = (ir_node*) pdeq_getl(env->write_queue);
1175 write_node_recursive(node, env);
1176 } while (!pdeq_empty(env->write_queue));
1177 ir_free_resources(irg, IR_RESOURCE_IRN_VISITED);
1178 write_scope_end(env);
1181 /* Exports the whole irp to the given file in a textual form. */
1182 void ir_export_file(FILE *file)
1185 write_env_t *env = &my_env;
1186 size_t i, n_irgs = get_irp_n_irgs();
1188 memset(env, 0, sizeof(*env));
1190 env->write_queue = new_pdeq();
1195 write_typegraph(env);
1197 for (i = 0; i < n_irgs; i++) {
1198 ir_graph *irg = get_irp_irg(i);
1199 write_irg(env, irg);
1202 write_symbol(env, "constirg");
1203 write_node_ref(env, get_const_code_irg()->current_block);
1204 write_scope_begin(env);
1205 walk_const_code(NULL, write_node_cb, env);
1206 write_scope_end(env);
1210 del_pdeq(env->write_queue);
1215 static void read_c(read_env_t *env)
1217 int c = fgetc(env->file);
1223 /** Returns the first non-whitespace character or EOF. **/
1224 static void skip_ws(read_env_t *env)
1241 static void skip_to(read_env_t *env, char to_ch)
1243 while (env->c != to_ch && env->c != EOF) {
1248 static bool expect_char(read_env_t *env, char ch)
1252 parse_error(env, "Unexpected char '%c', expected '%c'\n",
1260 #define EXPECT(c) if (expect_char(env, (c))) {} else return
1262 static char *read_word(read_env_t *env)
1266 assert(obstack_object_size(&env->obst) == 0);
1278 obstack_1grow(&env->obst, c);
1285 obstack_1grow(&env->obst, '\0');
1286 return (char*)obstack_finish(&env->obst);
1289 static char *read_string(read_env_t *env)
1292 if (env->c != '"') {
1293 parse_error(env, "Expected string, got '%c'\n", env->c);
1298 assert(obstack_object_size(&env->obst) == 0);
1299 while (env->c != '"') {
1300 if (env->c == EOF) {
1301 parse_error(env, "Unexpected EOF while parsing string\n");
1305 if (env->c == '\\') {
1309 obstack_1grow(&env->obst, '\n');
1313 obstack_1grow(&env->obst, env->c);
1316 parse_error(env, "Unknown escape sequence '\\%c'\n", env->c);
1320 obstack_1grow(&env->obst, env->c);
1325 obstack_1grow(&env->obst, 0);
1327 return (char*)obstack_finish(&env->obst);
1330 static ident *read_ident(read_env_t *env)
1332 char *str = read_string(env);
1333 ident *res = new_id_from_str(str);
1334 obstack_free(&env->obst, str);
1338 static ident *read_symbol(read_env_t *env)
1340 char *str = read_word(env);
1341 ident *res = new_id_from_str(str);
1342 obstack_free(&env->obst, str);
1347 * reads a "quoted string" or alternatively the token NULL
1349 static char *read_string_null(read_env_t *env)
1352 if (env->c == 'N') {
1353 char *str = read_word(env);
1354 if (strcmp(str, "NULL") == 0) {
1355 obstack_free(&env->obst, str);
1358 } else if (env->c == '"') {
1359 return read_string(env);
1362 parse_error(env, "Expected \"string\" or NULL\n");
1366 static ident *read_ident_null(read_env_t *env)
1369 char *str = read_string_null(env);
1373 res = new_id_from_str(str);
1374 obstack_free(&env->obst, str);
1378 static long read_long(read_env_t *env)
1384 if (!isdigit(env->c) && env->c != '-') {
1385 parse_error(env, "Expected number, got '%c'\n", env->c);
1389 assert(obstack_object_size(&env->obst) == 0);
1391 obstack_1grow(&env->obst, env->c);
1393 } while (isdigit(env->c));
1394 obstack_1grow(&env->obst, 0);
1396 str = (char*)obstack_finish(&env->obst);
1398 obstack_free(&env->obst, str);
1403 static int read_int(read_env_t *env)
1405 return (int) read_long(env);
1408 static unsigned read_unsigned(read_env_t *env)
1410 return (unsigned) read_long(env);
1413 static size_t read_size_t(read_env_t *env)
1416 return (size_t) read_unsigned(env);
1419 static void expect_list_begin(read_env_t *env)
1422 if (env->c != '[') {
1423 parse_error(env, "Expected list, got '%c'\n", env->c);
1429 static bool list_has_next(read_env_t *env)
1431 if (feof(env->file)) {
1432 parse_error(env, "Unexpected EOF while reading list");
1436 if (env->c == ']') {
1444 static void *get_id(read_env_t *env, long id)
1446 id_entry key, *entry;
1449 entry = (id_entry*)set_find(env->idset, &key, sizeof(key), (unsigned) id);
1450 return entry ? entry->elem : NULL;
1453 static void set_id(read_env_t *env, long id, void *elem)
1458 set_insert(env->idset, &key, sizeof(key), (unsigned) id);
1461 static ir_node *get_node_or_null(read_env_t *env, long nodenr)
1463 ir_node *node = (ir_node *) get_id(env, nodenr);
1464 if (node && node->kind != k_ir_node) {
1465 parse_error(env, "Irn ID %ld collides with something else\n",
1472 static ir_type *get_type(read_env_t *env, long typenr)
1474 ir_type *type = (ir_type *) get_id(env, typenr);
1476 parse_error(env, "Type %ld not defined (yet?)\n", typenr);
1477 return firm_unknown_type;
1479 if (type->kind != k_type) {
1480 parse_error(env, "Object %ld is not a type (but should be)\n", typenr);
1481 return firm_unknown_type;
1486 static ir_type *read_type_ref(read_env_t *env)
1488 char *str = read_word(env);
1489 if (strcmp(str, "none") == 0) {
1490 obstack_free(&env->obst, str);
1491 return firm_none_type;
1493 if (strcmp(str, "unknown") == 0) {
1494 obstack_free(&env->obst, str);
1495 return firm_unknown_type;
1497 if (strcmp(str, "code") == 0) {
1498 obstack_free(&env->obst, str);
1499 return firm_code_type;
1501 long nr = atol(str);
1502 obstack_free(&env->obst, str);
1504 return get_type(env, nr);
1507 static ir_entity *create_error_entity(void)
1509 ir_entity *res = new_entity(get_glob_type(), new_id_from_str("error"),
1514 static ir_entity *get_entity(read_env_t *env, long entnr)
1516 ir_entity *entity = (ir_entity *) get_id(env, entnr);
1517 if (entity == NULL) {
1518 parse_error(env, "unknown entity: %ld\n", entnr);
1519 return create_error_entity();
1521 if (entity->kind != k_entity) {
1522 parse_error(env, "Object %ld is not an entity (but should be)\n",
1524 return create_error_entity();
1530 static ir_entity *read_entity_ref(read_env_t *env)
1532 long nr = read_long(env);
1533 return get_entity(env, nr);
1536 static ir_mode *read_mode_ref(read_env_t *env)
1538 char *str = read_string(env);
1539 size_t n = get_irp_n_modes();
1542 for (i = 0; i < n; i++) {
1543 ir_mode *mode = get_irp_mode(i);
1544 if (strcmp(str, get_mode_name(mode)) == 0) {
1545 obstack_free(&env->obst, str);
1550 parse_error(env, "unknown mode \"%s\"\n", str);
1554 static const char *get_typetag_name(typetag_t typetag)
1557 case tt_align: return "align";
1558 case tt_builtin_kind: return "builtin kind";
1559 case tt_cond_jmp_predicate: return "cond_jmp_predicate";
1560 case tt_initializer: return "initializer kind";
1561 case tt_irg_inline_property: return "irg_inline_property";
1562 case tt_keyword: return "keyword";
1563 case tt_linkage: return "linkage";
1564 case tt_mode_arithmetic: return "mode_arithmetic";
1565 case tt_pin_state: return "pin state";
1566 case tt_segment: return "segment";
1567 case tt_throws: return "throws";
1568 case tt_tpo: return "type";
1569 case tt_type_state: return "type state";
1570 case tt_visibility: return "visibility";
1571 case tt_volatility: return "volatility";
1572 case tt_where_alloc: return "where alloc";
1578 * Read and decode an enum constant.
1580 static unsigned read_enum(read_env_t *env, typetag_t typetag)
1582 char *str = read_word(env);
1583 unsigned code = symbol(str, typetag);
1585 if (code != SYMERROR) {
1586 obstack_free(&env->obst, str);
1590 parse_error(env, "invalid %s: \"%s\"\n", get_typetag_name(typetag), str);
1594 static ir_align read_align(read_env_t *env)
1596 return (ir_align)read_enum(env, tt_align);
1599 static ir_builtin_kind read_builtin_kind(read_env_t *env)
1601 return (ir_builtin_kind)read_enum(env, tt_builtin_kind);
1604 static cond_jmp_predicate read_cond_jmp_predicate(read_env_t *env)
1606 return (cond_jmp_predicate)read_enum(env, tt_cond_jmp_predicate);
1609 static ir_initializer_kind_t read_initializer_kind(read_env_t *env)
1611 return (ir_initializer_kind_t)read_enum(env, tt_initializer);
1614 static ir_mode_arithmetic read_mode_arithmetic(read_env_t *env)
1616 return (ir_mode_arithmetic)read_enum(env, tt_mode_arithmetic);
1619 static op_pin_state read_pin_state(read_env_t *env)
1621 return (op_pin_state)read_enum(env, tt_pin_state);
1624 static ir_type_state read_type_state(read_env_t *env)
1626 return (ir_type_state)read_enum(env, tt_type_state);
1629 static ir_visibility read_visibility(read_env_t *env)
1631 return (ir_visibility)read_enum(env, tt_visibility);
1634 static ir_linkage read_linkage(read_env_t *env)
1636 return (ir_linkage)read_enum(env, tt_linkage);
1639 static ir_volatility read_volatility(read_env_t *env)
1641 return (ir_volatility)read_enum(env, tt_volatility);
1644 static ir_where_alloc read_where_alloc(read_env_t *env)
1646 return (ir_where_alloc)read_enum(env, tt_where_alloc);
1649 static bool read_throws(read_env_t *env)
1651 return (bool)read_enum(env, tt_throws);
1654 static keyword_t read_keyword(read_env_t *env)
1656 return (keyword_t)read_enum(env, tt_keyword);
1659 static irg_inline_property read_inline_property(read_env_t *env)
1661 return (irg_inline_property)read_enum(env, tt_irg_inline_property);
1664 static ir_relation read_relation(read_env_t *env)
1666 return (ir_relation)read_long(env);
1669 static ir_tarval *read_tarval(read_env_t *env)
1671 ir_mode *tvmode = read_mode_ref(env);
1672 char *str = read_word(env);
1674 if (strcmp(str, "bad") == 0)
1676 tv = new_tarval_from_str(str, strlen(str), tvmode);
1677 if (tv == tarval_bad)
1678 parse_error(env, "problem while parsing tarval '%s'\n", str);
1679 obstack_free(&env->obst, str);
1684 static ir_switch_table *read_switch_table(read_env_t *env)
1686 size_t n_entries = read_size_t(env);
1687 ir_switch_table *table = ir_new_switch_table(env->irg, n_entries);
1690 for (i = 0; i < n_entries; ++i) {
1691 long pn = read_long(env);
1692 ir_tarval *min = read_tarval(env);
1693 ir_tarval *max = read_tarval(env);
1694 ir_switch_table_set(table, i, min, max, pn);
1699 static ir_initializer_t *read_initializer(read_env_t *env)
1701 ir_initializer_kind_t ini_kind = read_initializer_kind(env);
1704 case IR_INITIALIZER_CONST: {
1705 long nr = read_long(env);
1706 ir_node *node = get_node_or_null(env, nr);
1707 ir_initializer_t *initializer = create_initializer_const(node);
1709 delayed_initializer_t di;
1710 di.initializer = initializer;
1712 ARR_APP1(delayed_initializer_t, env->delayed_initializers, di);
1717 case IR_INITIALIZER_TARVAL:
1718 return create_initializer_tarval(read_tarval(env));
1720 case IR_INITIALIZER_NULL:
1721 return get_initializer_null();
1723 case IR_INITIALIZER_COMPOUND: {
1724 size_t i, n = read_size_t(env);
1725 ir_initializer_t *ini = create_initializer_compound(n);
1726 for (i = 0; i < n; i++) {
1727 ir_initializer_t *curini = read_initializer(env);
1728 set_initializer_compound_value(ini, i, curini);
1734 panic("Unknown initializer kind");
1737 /** Reads a type description and remembers it by its id. */
1738 static void read_type(read_env_t *env)
1740 long typenr = read_long(env);
1741 tp_opcode tpop = (tp_opcode) read_enum(env, tt_tpo);
1742 unsigned size = (unsigned) read_long(env);
1743 unsigned align = (unsigned) read_long(env);
1744 ir_type_state state = read_type_state(env);
1745 unsigned flags = (unsigned) read_long(env);
1750 size_t n_dimensions = read_size_t(env);
1751 ir_type *elemtype = read_type_ref(env);
1753 ir_entity *element_entity;
1754 long element_entity_nr;
1756 type = new_type_array(n_dimensions, elemtype);
1757 for (i = 0; i < n_dimensions; i++) {
1758 char *str = read_word(env);
1759 if (strcmp(str, "unknown") != 0) {
1760 long lowerbound = atol(str);
1761 set_array_lower_bound_int(type, i, lowerbound);
1763 obstack_free(&env->obst, str);
1765 str = read_word(env);
1766 if (strcmp(str, "unknown") != 0) {
1767 long upperbound = atol(str);
1768 set_array_upper_bound_int(type, i, upperbound);
1770 obstack_free(&env->obst, str);
1773 element_entity_nr = read_long(env);
1774 element_entity = get_array_element_entity(type);
1775 set_id(env, element_entity_nr, element_entity);
1777 set_type_size_bytes(type, size);
1782 ident *id = read_ident_null(env);
1784 if (typenr == (long) IR_SEGMENT_GLOBAL)
1785 type = get_glob_type();
1787 type = new_type_class(id);
1788 set_type_size_bytes(type, size);
1793 unsigned callingconv = read_unsigned(env);
1794 mtp_additional_properties addprops
1795 = (mtp_additional_properties) read_long(env);
1796 size_t nparams = read_size_t(env);
1797 size_t nresults = read_size_t(env);
1801 type = new_type_method(nparams, nresults);
1803 for (i = 0; i < nparams; i++) {
1804 long ptypenr = read_long(env);
1805 ir_type *paramtype = get_type(env, ptypenr);
1807 set_method_param_type(type, i, paramtype);
1809 for (i = 0; i < nresults; i++) {
1810 long ptypenr = read_long(env);
1811 ir_type *restype = get_type(env, ptypenr);
1813 set_method_res_type(type, i, restype);
1816 variadicity = (int) read_long(env);
1817 set_method_variadicity(type, variadicity);
1819 set_method_calling_convention(type, callingconv);
1820 set_method_additional_properties(type, addprops);
1825 ir_mode *mode = read_mode_ref(env);
1826 ir_type *pointsto = get_type(env, read_long(env));
1827 type = new_type_pointer(pointsto);
1828 set_type_mode(type, mode);
1832 case tpo_primitive: {
1833 ir_mode *mode = read_mode_ref(env);
1834 ir_type *base_type = read_type_ref(env);
1835 type = new_type_primitive(mode);
1836 if (base_type != firm_none_type) {
1837 set_primitive_base_type(type, base_type);
1843 ident *id = read_ident_null(env);
1844 type = new_type_struct(id);
1845 set_type_size_bytes(type, size);
1850 ident *id = read_ident_null(env);
1851 type = new_type_union(id);
1852 set_type_size_bytes(type, size);
1859 case tpo_enumeration:
1860 case tpo_uninitialized:
1861 parse_error(env, "can't import this type kind (%d)", tpop);
1864 parse_error(env, "unknown type kind: \"%d\"\n", tpop);
1869 set_type_alignment_bytes(type, align);
1870 type->flags = flags;
1872 if (state == layout_fixed)
1873 ARR_APP1(ir_type *, env->fixedtypes, type);
1875 set_id(env, typenr, type);
1878 /** Reads an entity description and remembers it by its id. */
1879 static void read_entity(read_env_t *env, ir_entity_kind kind)
1881 long entnr = read_long(env);
1883 ident *ld_name = NULL;
1884 ir_visibility visibility = ir_visibility_default;
1885 ir_linkage linkage = IR_LINKAGE_DEFAULT;
1886 ir_type *owner = NULL;
1887 ir_entity *entity = NULL;
1888 int compiler_generated;
1889 ir_volatility volatility;
1893 if (kind != IR_ENTITY_LABEL && kind != IR_ENTITY_PARAMETER) {
1894 name = read_ident(env);
1895 ld_name = read_ident_null(env);
1898 visibility = read_visibility(env);
1899 expect_list_begin(env);
1900 while (list_has_next(env)) {
1901 linkage |= read_linkage(env);
1904 type = read_type_ref(env);
1905 if (kind != IR_ENTITY_LABEL)
1906 owner = read_type_ref(env);
1908 compiler_generated = read_long(env) != 0;
1909 volatility = read_volatility(env);
1912 case IR_ENTITY_NORMAL:
1913 entity = new_entity(owner, name, type);
1914 if (ld_name != NULL)
1915 set_entity_ld_ident(entity, ld_name);
1916 str = read_word(env);
1917 if (strcmp(str, "initializer") == 0) {
1918 ir_initializer_t *initializer = read_initializer(env);
1919 if (initializer != NULL)
1920 set_entity_initializer(entity, initializer);
1921 } else if (strcmp(str, "none") == 0) {
1924 parse_error(env, "expected 'initializer' or 'none' got '%s'\n", str);
1927 case IR_ENTITY_COMPOUND_MEMBER:
1928 entity = new_entity(owner, name, type);
1929 if (ld_name != NULL)
1930 set_entity_ld_ident(entity, ld_name);
1931 set_entity_offset(entity, (int) read_long(env));
1932 set_entity_offset_bits_remainder(entity, (unsigned char) read_long(env));
1934 case IR_ENTITY_METHOD:
1935 entity = new_entity(owner, name, type);
1936 if (ld_name != NULL)
1937 set_entity_ld_ident(entity, ld_name);
1939 case IR_ENTITY_PARAMETER: {
1940 char *str = read_word(env);
1941 size_t parameter_number;
1942 if (strcmp(str, "va_start") == 0) {
1943 parameter_number = IR_VA_START_PARAMETER_NUMBER;
1945 parameter_number = atol(str);
1947 obstack_free(&env->obst, str);
1948 entity = new_parameter_entity(owner, parameter_number, type);
1951 case IR_ENTITY_LABEL: {
1952 ir_label_t nr = get_irp_next_label_nr();
1953 entity = new_label_entity(nr);
1958 set_entity_compiler_generated(entity, compiler_generated);
1959 set_entity_volatility(entity, volatility);
1960 set_entity_visibility(entity, visibility);
1961 set_entity_linkage(entity, linkage);
1963 if (owner != NULL && is_Array_type(owner)) {
1964 set_array_element_entity(owner, entity);
1967 set_id(env, entnr, entity);
1970 /** Parses the whole type graph. */
1971 static void read_typegraph(read_env_t *env)
1973 ir_graph *old_irg = env->irg;
1977 env->irg = get_const_code_irg();
1979 /* parse all types first */
1983 if (env->c == '}') {
1988 kwkind = read_keyword(env);
1995 read_entity(env, IR_ENTITY_NORMAL);
1998 read_entity(env, IR_ENTITY_LABEL);
2001 read_entity(env, IR_ENTITY_METHOD);
2003 case kw_compound_member:
2004 read_entity(env, IR_ENTITY_COMPOUND_MEMBER);
2007 read_entity(env, IR_ENTITY_PARAMETER);
2010 parse_error(env, "type graph element not supported yet: %d\n", kwkind);
2019 * Read a node reference and return the node for it. This assumes that the node
2020 * was previously read. This is fine for all normal nodes.
2021 * (Note: that we "break" loops by having special code for phi, block or anchor
2022 * nodes in place, firm guarantees us that a loop in the graph always contains
2023 * a phi, block or anchor node)
2025 static ir_node *read_node_ref(read_env_t *env)
2027 long nr = read_long(env);
2028 ir_node *node = get_node_or_null(env, nr);
2030 parse_error(env, "node %ld not defined (yet?)\n", nr);
2031 return new_r_Bad(env->irg, mode_ANY);
2036 static int read_preds(read_env_t *env)
2038 expect_list_begin(env);
2039 assert(obstack_object_size(&env->preds_obst) == 0);
2040 while (list_has_next(env)) {
2041 ir_node *pred = read_node_ref(env);
2042 obstack_grow(&env->preds_obst, &pred, sizeof(pred));
2044 return obstack_object_size(&env->preds_obst) / sizeof(ir_node*);
2047 static void read_preds_delayed(read_env_t *env, ir_node *node)
2052 expect_list_begin(env);
2053 assert(obstack_object_size(&env->preds_obst) == 0);
2054 obstack_blank(&env->preds_obst, sizeof(delayed_pred_t));
2055 while (list_has_next(env)) {
2056 long pred_nr = read_long(env);
2057 obstack_grow(&env->preds_obst, &pred_nr, sizeof(pred_nr));
2060 d = (delayed_pred_t*) obstack_finish(&env->preds_obst);
2062 d->n_preds = n_preds;
2064 ARR_APP1(const delayed_pred_t*, env->delayed_preds, d);
2067 static ir_node *read_ASM(read_env_t *env)
2072 ir_asm_constraint *input_constraints = NEW_ARR_F(ir_asm_constraint, 0);
2073 ir_asm_constraint *output_constraints = NEW_ARR_F(ir_asm_constraint, 0);
2074 ident **clobbers = NEW_ARR_F(ident*, 0);
2075 ir_node *block = read_node_ref(env);
2076 op_pin_state pin_state;
2078 ident *asm_text = read_ident(env);
2080 expect_list_begin(env);
2081 while (list_has_next(env)) {
2082 ir_asm_constraint constraint;
2083 constraint.pos = read_unsigned(env);
2084 constraint.constraint = read_ident(env);
2085 constraint.mode = read_mode_ref(env);
2086 ARR_APP1(ir_asm_constraint, input_constraints, constraint);
2089 expect_list_begin(env);
2090 while (list_has_next(env)) {
2091 ir_asm_constraint constraint;
2092 constraint.pos = read_unsigned(env);
2093 constraint.constraint = read_ident(env);
2094 constraint.mode = read_mode_ref(env);
2095 ARR_APP1(ir_asm_constraint, output_constraints, constraint);
2098 expect_list_begin(env);
2099 while (list_has_next(env)) {
2100 ident *clobber = read_ident(env);
2101 ARR_APP1(ident*, clobbers, clobber);
2104 pin_state = read_pin_state(env);
2106 n_in = read_preds(env);
2107 in = obstack_finish(&env->preds_obst);
2109 if (ARR_LEN(input_constraints) != (size_t)n_in) {
2110 parse_error(env, "input_constraints != n_in in ir file");
2111 return new_r_Bad(env->irg, mode_T);
2114 newnode = new_r_ASM(block, n_in, in,
2115 input_constraints, ARR_LEN(output_constraints),
2116 output_constraints, ARR_LEN(clobbers),
2117 clobbers, asm_text);
2118 set_irn_pinned(newnode, pin_state);
2119 obstack_free(&env->preds_obst, in);
2120 DEL_ARR_F(clobbers);
2121 DEL_ARR_F(output_constraints);
2122 DEL_ARR_F(input_constraints);
2126 static ir_node *read_Phi(read_env_t *env)
2128 ir_node *block = read_node_ref(env);
2129 ir_mode *mode = read_mode_ref(env);
2130 ir_node *res = new_r_Phi(block, 0, NULL, mode);
2131 read_preds_delayed(env, res);
2135 static ir_node *read_Block(read_env_t *env)
2137 ir_node *res = new_r_Block(env->irg, 0, NULL);
2138 read_preds_delayed(env, res);
2142 static ir_node *read_labeled_Block(read_env_t *env)
2144 ir_node *res = new_r_Block(env->irg, 0, NULL);
2145 ir_entity *entity = read_entity_ref(env);
2146 read_preds_delayed(env, res);
2147 set_Block_entity(res, entity);
2151 static ir_node *read_SymConst(read_env_t *env)
2153 ir_mode *mode = read_mode_ref(env);
2154 ir_entity *entity = read_entity_ref(env);
2156 symconst_symbol sym;
2158 sym.entity_p = entity;
2159 res = new_r_SymConst(env->irg, mode, sym, symconst_addr_ent);
2163 static ir_node *read_Anchor(read_env_t *env)
2165 ir_node *res = new_r_Anchor(env->irg);
2166 read_preds_delayed(env, res);
2170 typedef ir_node* (*read_node_func)(read_env_t *env);
2171 static pmap *node_readers;
2173 static void register_node_reader(ident *ident, read_node_func func)
2175 pmap_insert(node_readers, ident, func);
2178 static ir_node *read_node(read_env_t *env)
2180 ident *id = read_symbol(env);
2181 read_node_func func = pmap_get(node_readers, id);
2182 long nr = read_long(env);
2185 parse_error(env, "Unknown nodetype '%s'", get_id_str(id));
2187 res = new_r_Bad(env->irg, mode_ANY);
2191 set_id(env, nr, res);
2195 static void readers_init(void)
2197 assert(node_readers == NULL);
2198 node_readers = pmap_create();
2199 register_node_reader(new_id_from_str("Anchor"), read_Anchor);
2200 register_node_reader(new_id_from_str("ASM"), read_ASM);
2201 register_node_reader(new_id_from_str("Block"), read_Block);
2202 register_node_reader(new_id_from_str("BlockL"), read_labeled_Block);
2203 register_node_reader(new_id_from_str("Phi"), read_Phi);
2204 register_node_reader(new_id_from_str("SymConst"), read_SymConst);
2205 register_generated_node_readers();
2208 static void read_graph(read_env_t *env, ir_graph *irg)
2210 size_t n_delayed_preds;
2214 env->delayed_preds = NEW_ARR_F(const delayed_pred_t*, 0);
2219 if (env->c == '}' || env->c == EOF) {
2227 /* resolve delayed preds */
2228 n_delayed_preds = ARR_LEN(env->delayed_preds);
2229 for (i = 0; i < n_delayed_preds; ++i) {
2230 const delayed_pred_t *dp = env->delayed_preds[i];
2231 ir_node **ins = ALLOCAN(ir_node*, dp->n_preds);
2233 for (i = 0; i < dp->n_preds; ++i) {
2234 long pred_nr = dp->preds[i];
2235 ir_node *pred = get_node_or_null(env, pred_nr);
2237 parse_error(env, "predecessor %ld of a node not defined\n",
2239 goto next_delayed_pred;
2243 set_irn_in(dp->node, dp->n_preds, ins);
2244 if (is_Anchor(dp->node)) {
2246 for (a = anchor_first; a <= anchor_last; ++a) {
2247 ir_node *old_anchor = get_irg_anchor(irg, a);
2248 ir_node *new_anchor = ins[a];
2249 exchange(old_anchor, new_anchor);
2252 next_delayed_pred: ;
2254 DEL_ARR_F(env->delayed_preds);
2255 env->delayed_preds = NULL;
2258 static ir_graph *read_irg(read_env_t *env)
2260 ir_entity *irgent = get_entity(env, read_long(env));
2261 ir_graph *irg = new_ir_graph(irgent, 0);
2262 ir_type *frame = read_type_ref(env);
2263 irg_inline_property prop = read_inline_property(env);
2264 unsigned props = read_unsigned(env);
2265 set_irg_frame_type(irg, frame);
2266 set_irg_inline_property(irg, prop);
2267 set_irg_additional_properties(irg, (mtp_additional_properties)props);
2268 read_graph(env, irg);
2272 static void read_modes(read_env_t *env)
2280 if (env->c == '}' || env->c == EOF) {
2285 kwkind = read_keyword(env);
2288 const char *name = read_string(env);
2289 ir_mode_arithmetic arith = read_mode_arithmetic(env);
2290 int size = read_long(env);
2291 int sign = read_long(env);
2292 unsigned modulo_shift = read_long(env);
2293 new_int_mode(name, arith, size, sign, modulo_shift);
2296 case kw_reference_mode: {
2297 const char *name = read_string(env);
2298 ir_mode_arithmetic arith = read_mode_arithmetic(env);
2299 int size = read_long(env);
2300 unsigned modulo_shift = read_long(env);
2301 ir_mode *mode = new_reference_mode(name, arith, size, modulo_shift);
2302 set_reference_mode_signed_eq(mode, read_mode_ref(env));
2303 set_reference_mode_unsigned_eq(mode, read_mode_ref(env));
2304 int is_mode_P = read_int(env);
2306 set_modeP_data(mode);
2307 set_modeP_code(mode);
2311 case kw_float_mode: {
2312 const char *name = read_string(env);
2313 ir_mode_arithmetic arith = read_mode_arithmetic(env);
2314 int exponent_size = read_long(env);
2315 int mantissa_size = read_long(env);
2316 new_float_mode(name, arith, exponent_size, mantissa_size);
2327 static void read_program(read_env_t *env)
2335 if (env->c == '}') {
2340 kwkind = read_keyword(env);
2342 case kw_segment_type: {
2343 ir_segment_t segment = (ir_segment_t) read_enum(env, tt_segment);
2344 ir_type *type = read_type_ref(env);
2345 set_segment_type(segment, type);
2349 ident *text = read_ident(env);
2354 parse_error(env, "unexpected keyword %d\n", kwkind);
2360 int ir_import(const char *filename)
2362 FILE *file = fopen(filename, "rt");
2369 res = ir_import_file(file, filename);
2375 int ir_import_file(FILE *input, const char *inputname)
2378 int oldoptimize = get_optimize();
2379 read_env_t *env = &myenv;
2382 size_t n_delayed_initializers;
2387 memset(env, 0, sizeof(*env));
2388 obstack_init(&env->obst);
2389 obstack_init(&env->preds_obst);
2390 env->idset = new_set(id_cmp, 128);
2391 env->fixedtypes = NEW_ARR_F(ir_type *, 0);
2392 env->inputname = inputname;
2395 env->delayed_initializers = NEW_ARR_F(delayed_initializer_t, 0);
2397 /* read first character */
2409 kw = read_keyword(env);
2416 read_typegraph(env);
2424 ir_graph *constirg = get_const_code_irg();
2425 long bodyblockid = read_long(env);
2426 set_id(env, bodyblockid, constirg->current_block);
2427 read_graph(env, constirg);
2436 parse_error(env, "Unexpected keyword %d at toplevel\n", kw);
2442 n = ARR_LEN(env->fixedtypes);
2443 for (i = 0; i < n; i++)
2444 set_type_state(env->fixedtypes[i], layout_fixed);
2446 DEL_ARR_F(env->fixedtypes);
2448 /* resolve delayed initializers */
2449 n_delayed_initializers = ARR_LEN(env->delayed_initializers);
2450 for (i = 0; i < n_delayed_initializers; ++i) {
2451 const delayed_initializer_t *di = &env->delayed_initializers[i];
2452 ir_node *node = get_node_or_null(env, di->node_nr);
2454 parse_error(env, "node %ld mentioned in an initializer was never defined\n",
2458 assert(di->initializer->kind == IR_INITIALIZER_CONST);
2459 di->initializer->consti.value = node;
2461 DEL_ARR_F(env->delayed_initializers);
2462 env->delayed_initializers = NULL;
2464 del_set(env->idset);
2466 irp_finalize_cons();
2468 set_optimize(oldoptimize);
2470 obstack_free(&env->preds_obst, NULL);
2471 obstack_free(&env->obst, NULL);
2473 pmap_destroy(node_readers);
2474 node_readers = NULL;
2476 return env->read_errors;
2479 #include "gen_irio.inl"