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(0);
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 set_insert(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, "default", ir_visibility_default);
230 INSERT(tt_visibility, "private", ir_visibility_private);
232 INSERT(tt_throws, "throw", true);
233 INSERT(tt_throws, "nothrow", false);
236 INSERTKEYWORD(compound_member);
237 INSERTKEYWORD(constirg);
238 INSERTKEYWORD(entity);
239 INSERTKEYWORD(float_mode);
240 INSERTKEYWORD(int_mode);
242 INSERTKEYWORD(label);
243 INSERTKEYWORD(method);
244 INSERTKEYWORD(modes);
245 INSERTKEYWORD(parameter);
246 INSERTKEYWORD(program);
247 INSERTKEYWORD(reference_mode);
248 INSERTKEYWORD(segment_type);
250 INSERTKEYWORD(typegraph);
251 INSERTKEYWORD(unknown);
253 INSERTENUM(tt_align, align_non_aligned);
254 INSERTENUM(tt_align, align_is_aligned);
256 INSERTENUM(tt_builtin_kind, ir_bk_trap);
257 INSERTENUM(tt_builtin_kind, ir_bk_debugbreak);
258 INSERTENUM(tt_builtin_kind, ir_bk_return_address);
259 INSERTENUM(tt_builtin_kind, ir_bk_frame_address);
260 INSERTENUM(tt_builtin_kind, ir_bk_prefetch);
261 INSERTENUM(tt_builtin_kind, ir_bk_ffs);
262 INSERTENUM(tt_builtin_kind, ir_bk_clz);
263 INSERTENUM(tt_builtin_kind, ir_bk_ctz);
264 INSERTENUM(tt_builtin_kind, ir_bk_popcount);
265 INSERTENUM(tt_builtin_kind, ir_bk_parity);
266 INSERTENUM(tt_builtin_kind, ir_bk_bswap);
267 INSERTENUM(tt_builtin_kind, ir_bk_inport);
268 INSERTENUM(tt_builtin_kind, ir_bk_outport);
269 INSERTENUM(tt_builtin_kind, ir_bk_inner_trampoline);
271 INSERTENUM(tt_cond_jmp_predicate, COND_JMP_PRED_NONE);
272 INSERTENUM(tt_cond_jmp_predicate, COND_JMP_PRED_TRUE);
273 INSERTENUM(tt_cond_jmp_predicate, COND_JMP_PRED_FALSE);
275 INSERTENUM(tt_initializer, IR_INITIALIZER_CONST);
276 INSERTENUM(tt_initializer, IR_INITIALIZER_TARVAL);
277 INSERTENUM(tt_initializer, IR_INITIALIZER_NULL);
278 INSERTENUM(tt_initializer, IR_INITIALIZER_COMPOUND);
280 INSERT(tt_mode_arithmetic, "uninitialized", irma_uninitialized);
281 INSERT(tt_mode_arithmetic, "none", irma_none);
282 INSERT(tt_mode_arithmetic, "twos_complement", irma_twos_complement);
283 INSERT(tt_mode_arithmetic, "ieee754", irma_ieee754);
284 INSERT(tt_mode_arithmetic, "x86_extended_float", irma_x86_extended_float);
286 INSERT(tt_irg_inline_property, "any", irg_inline_any);
287 INSERT(tt_irg_inline_property, "recommended", irg_inline_recomended);
288 INSERT(tt_irg_inline_property, "forbidden", irg_inline_forbidden);
289 INSERT(tt_irg_inline_property, "forced", irg_inline_forced);
290 INSERT(tt_irg_inline_property, "forced_no_body", irg_inline_forced_no_body);
292 INSERTENUM(tt_pin_state, op_pin_state_floats);
293 INSERTENUM(tt_pin_state, op_pin_state_pinned);
294 INSERTENUM(tt_pin_state, op_pin_state_exc_pinned);
295 INSERTENUM(tt_pin_state, op_pin_state_mem_pinned);
297 INSERTENUM(tt_type_state, layout_undefined);
298 INSERTENUM(tt_type_state, layout_fixed);
300 INSERTENUM(tt_volatility, volatility_non_volatile);
301 INSERTENUM(tt_volatility, volatility_is_volatile);
303 INSERTENUM(tt_where_alloc, stack_alloc);
304 INSERTENUM(tt_where_alloc, heap_alloc);
311 static const char *get_segment_name(ir_segment_t segment)
314 case IR_SEGMENT_GLOBAL: return "global";
315 case IR_SEGMENT_THREAD_LOCAL: return "thread_local";
316 case IR_SEGMENT_CONSTRUCTORS: return "constructors";
317 case IR_SEGMENT_DESTRUCTORS: return "destructors";
319 panic("INVALID_SEGMENT");
322 static const char *get_visibility_name(ir_visibility visibility)
324 switch (visibility) {
325 case ir_visibility_local: return "local";
326 case ir_visibility_external: return "external";
327 case ir_visibility_default: return "default";
328 case ir_visibility_private: return "private";
330 panic("INVALID_VISIBILITY");
333 static const char *get_mode_arithmetic_name(ir_mode_arithmetic arithmetic)
335 switch (arithmetic) {
336 case irma_uninitialized: return "uninitialized";
337 case irma_none: return "none";
338 case irma_twos_complement: return "twos_complement";
339 case irma_ieee754: return "ieee754";
340 case irma_x86_extended_float: return "x86_extended_float";
342 panic("invalid mode_arithmetic");
345 static const char *get_irg_inline_property_name(irg_inline_property prop)
348 case irg_inline_any: return "any";
349 case irg_inline_recomended: return "recommended";
350 case irg_inline_forbidden: return "forbidden";
351 case irg_inline_forced: return "forced";
352 case irg_inline_forced_no_body: return "forced_no_body";
354 panic("invalid irg_inline_property");
357 /** Returns the according symbol value for the given string and tag, or SYMERROR if none was found. */
358 static unsigned symbol(const char *str, typetag_t typetag)
360 symbol_t key, *entry;
363 key.typetag = typetag;
365 entry = (symbol_t*)set_find(symtbl, &key, sizeof(key), hash_str(str) + typetag * 17);
366 return entry ? entry->code : SYMERROR;
369 static void write_long(write_env_t *env, long value)
371 fprintf(env->file, "%ld ", value);
374 static void write_int(write_env_t *env, int value)
376 fprintf(env->file, "%d ", value);
379 static void write_unsigned(write_env_t *env, unsigned value)
381 fprintf(env->file, "%u ", value);
384 static void write_size_t(write_env_t *env, size_t value)
386 ir_fprintf(env->file, "%zu ", value);
389 static void write_symbol(write_env_t *env, const char *symbol)
391 fputs(symbol, env->file);
392 fputc(' ', env->file);
395 static void write_entity_ref(write_env_t *env, ir_entity *entity)
397 write_long(env, get_entity_nr(entity));
400 static void write_type_ref(write_env_t *env, ir_type *type)
402 switch (get_type_tpop_code(type)) {
404 write_symbol(env, "unknown");
407 write_symbol(env, "none");
410 write_symbol(env, "code");
415 write_long(env, get_type_nr(type));
418 static void write_string(write_env_t *env, const char *string)
421 fputc('"', env->file);
422 for (c = string; *c != '\0'; ++c) {
425 fputc('\\', env->file);
426 fputc('n', env->file);
430 fputc('\\', env->file);
433 fputc(*c, env->file);
437 fputc('"', env->file);
438 fputc(' ', env->file);
441 static void write_ident(write_env_t *env, ident *id)
443 write_string(env, get_id_str(id));
446 static void write_ident_null(write_env_t *env, ident *id)
449 fputs("NULL ", env->file);
451 write_ident(env, id);
455 static void write_mode_ref(write_env_t *env, ir_mode *mode)
457 write_string(env, get_mode_name(mode));
460 static void write_tarval(write_env_t *env, ir_tarval *tv)
462 write_mode_ref(env, get_tarval_mode(tv));
463 if (tv == tarval_bad) {
464 write_symbol(env, "bad");
467 tarval_snprintf(buf, sizeof(buf), tv);
468 fputs(buf, env->file);
469 fputc(' ', env->file);
473 static void write_align(write_env_t *env, ir_align align)
475 fputs(get_align_name(align), env->file);
476 fputc(' ', env->file);
479 static void write_builtin_kind(write_env_t *env, const ir_node *node)
481 fputs(get_builtin_kind_name(get_Builtin_kind(node)), env->file);
482 fputc(' ', env->file);
485 static void write_cond_jmp_predicate(write_env_t *env, const ir_node *node)
487 fputs(get_cond_jmp_predicate_name(get_Cond_jmp_pred(node)), env->file);
488 fputc(' ', env->file);
491 static void write_relation(write_env_t *env, ir_relation relation)
493 write_long(env, (long)relation);
496 static void write_where_alloc(write_env_t *env, ir_where_alloc where_alloc)
498 switch (where_alloc) {
499 case stack_alloc: write_symbol(env, "stack_alloc"); return;
500 case heap_alloc: write_symbol(env, "heap_alloc"); return;
502 panic("invalid where_alloc value");
505 static void write_throws(write_env_t *env, bool throws)
507 write_symbol(env, throws ? "throw" : "nothrow");
510 static void write_list_begin(write_env_t *env)
512 fputs("[", env->file);
515 static void write_list_end(write_env_t *env)
517 fputs("] ", env->file);
520 static void write_scope_begin(write_env_t *env)
522 fputs("{\n", env->file);
525 static void write_scope_end(write_env_t *env)
527 fputs("}\n\n", env->file);
530 static void write_node_ref(write_env_t *env, const ir_node *node)
532 write_long(env, get_irn_node_nr(node));
535 static void write_initializer(write_env_t *env, ir_initializer_t *ini)
538 ir_initializer_kind_t ini_kind = get_initializer_kind(ini);
540 fputs(get_initializer_kind_name(ini_kind), f);
544 case IR_INITIALIZER_CONST:
545 write_node_ref(env, get_initializer_const_value(ini));
548 case IR_INITIALIZER_TARVAL:
549 write_tarval(env, get_initializer_tarval_value(ini));
552 case IR_INITIALIZER_NULL:
555 case IR_INITIALIZER_COMPOUND: {
556 size_t i, n = get_initializer_compound_n_entries(ini);
557 write_size_t(env, n);
558 for (i = 0; i < n; ++i)
559 write_initializer(env, get_initializer_compound_value(ini, i));
563 panic("Unknown initializer kind");
566 static void write_pin_state(write_env_t *env, op_pin_state state)
568 fputs(get_op_pin_state_name(state), env->file);
569 fputc(' ', env->file);
572 static void write_volatility(write_env_t *env, ir_volatility vol)
574 fputs(get_volatility_name(vol), env->file);
575 fputc(' ', env->file);
578 static void write_inline_property(write_env_t *env, irg_inline_property prop)
580 fputs(get_irg_inline_property_name(prop), env->file);
581 fputc(' ', env->file);
584 static void write_type_state(write_env_t *env, ir_type_state state)
586 fputs(get_type_state_name(state), env->file);
587 fputc(' ', env->file);
590 static void write_visibility(write_env_t *env, ir_visibility visibility)
592 fputs(get_visibility_name(visibility), env->file);
593 fputc(' ', env->file);
596 static void write_mode_arithmetic(write_env_t *env, ir_mode_arithmetic arithmetic)
598 fputs(get_mode_arithmetic_name(arithmetic), env->file);
599 fputc(' ', env->file);
602 static void write_type(write_env_t *env, ir_type *tp);
603 static void write_entity(write_env_t *env, ir_entity *entity);
605 static void write_type_common(write_env_t *env, ir_type *tp)
607 fputc('\t', env->file);
608 write_symbol(env, "type");
609 write_long(env, get_type_nr(tp));
610 write_symbol(env, get_type_tpop_name(tp));
611 write_unsigned(env, get_type_size_bytes(tp));
612 write_unsigned(env, get_type_alignment_bytes(tp));
613 write_type_state(env, get_type_state(tp));
614 write_unsigned(env, tp->flags);
617 static void write_type_primitive(write_env_t *env, ir_type *tp)
619 ir_type *base_type = get_primitive_base_type(tp);
621 if (base_type != NULL)
622 write_type(env, base_type);
624 write_type_common(env, tp);
625 write_mode_ref(env, get_type_mode(tp));
626 if (base_type == NULL)
627 base_type = get_none_type();
628 write_type_ref(env, base_type);
629 fputc('\n', env->file);
632 static void write_type_compound(write_env_t *env, ir_type *tp)
634 size_t n_members = get_compound_n_members(tp);
637 if (is_Class_type(tp)) {
638 if (get_class_n_subtypes(tp) > 0 || get_class_n_supertypes(tp) > 0
639 || get_class_type_info(tp) != NULL || get_class_vtable_size(tp) > 0) {
640 /* sub/superclass export not implemented yet, it's unclear wether
641 * class types will stay in libfirm anyway */
642 panic("can't export class types yet");
645 write_type_common(env, tp);
646 write_ident_null(env, get_compound_ident(tp));
647 fputc('\n', env->file);
649 for (i = 0; i < n_members; ++i) {
650 ir_entity *member = get_compound_member(tp, i);
651 write_entity(env, member);
655 static void write_type_array(write_env_t *env, ir_type *tp)
657 size_t n_dimensions = get_array_n_dimensions(tp);
658 ir_type *element_type = get_array_element_type(tp);
659 ir_entity *element_entity = get_array_element_entity(tp);
662 write_type(env, element_type);
664 write_type_common(env, tp);
665 write_size_t(env, n_dimensions);
666 write_type_ref(env, get_array_element_type(tp));
667 for (i = 0; i < n_dimensions; i++) {
668 ir_node *lower = get_array_lower_bound(tp, i);
669 ir_node *upper = get_array_upper_bound(tp, i);
672 write_long(env, get_tarval_long(get_Const_tarval(lower)));
674 panic("Lower array bound is not constant");
677 write_long(env, get_tarval_long(get_Const_tarval(upper)));
678 else if (is_Unknown(upper))
679 write_symbol(env, "unknown");
681 panic("Upper array bound is not constant");
683 /* note that we just write a reference to the element entity
684 * but never the entity itself */
685 write_entity_ref(env, element_entity);
686 fputc('\n', env->file);
689 static void write_type_method(write_env_t *env, ir_type *tp)
691 size_t nparams = get_method_n_params(tp);
692 size_t nresults = get_method_n_ress(tp);
695 for (i = 0; i < nparams; i++)
696 write_type(env, get_method_param_type(tp, i));
697 for (i = 0; i < nresults; i++)
698 write_type(env, get_method_res_type(tp, i));
700 write_type_common(env, tp);
701 write_unsigned(env, get_method_calling_convention(tp));
702 write_unsigned(env, get_method_additional_properties(tp));
703 write_size_t(env, nparams);
704 write_size_t(env, nresults);
705 for (i = 0; i < nparams; i++)
706 write_type_ref(env, get_method_param_type(tp, i));
707 for (i = 0; i < nresults; i++)
708 write_type_ref(env, get_method_res_type(tp, i));
709 write_unsigned(env, get_method_variadicity(tp));
710 fputc('\n', env->file);
713 static void write_type_pointer(write_env_t *env, ir_type *tp)
715 ir_type *points_to = get_pointer_points_to_type(tp);
717 write_type(env, points_to);
719 write_type_common(env, tp);
720 write_mode_ref(env, get_type_mode(tp));
721 write_type_ref(env, points_to);
722 fputc('\n', env->file);
725 static void write_type_enumeration(write_env_t *env, ir_type *tp)
727 write_type_common(env, tp);
728 write_ident_null(env, get_enumeration_ident(tp));
729 fputc('\n', env->file);
732 static void write_type(write_env_t *env, ir_type *tp)
734 if (type_visited(tp))
736 mark_type_visited(tp);
738 switch ((tp_opcode)get_type_tpop_code(tp)) {
742 case tpo_uninitialized:
743 /* no need to write special builtin types */
749 write_type_compound(env, tp);
752 case tpo_primitive: write_type_primitive(env, tp); return;
753 case tpo_enumeration: write_type_enumeration(env, tp); return;
754 case tpo_method: write_type_method(env, tp); return;
755 case tpo_pointer: write_type_pointer(env, tp); return;
756 case tpo_array: write_type_array(env, tp); return;
758 panic("can't write invalid type %+F\n", tp);
761 static void write_entity(write_env_t *env, ir_entity *ent)
763 ir_type *type = get_entity_type(ent);
764 ir_type *owner = get_entity_owner(ent);
765 ir_visibility visibility = get_entity_visibility(ent);
766 ir_linkage linkage = get_entity_linkage(ent);
768 if (entity_visited(ent))
770 mark_entity_visited(ent);
772 write_type(env, type);
773 write_type(env, owner);
775 fputc('\t', env->file);
776 switch ((ir_entity_kind)ent->entity_kind) {
777 case IR_ENTITY_NORMAL: write_symbol(env, "entity"); break;
778 case IR_ENTITY_METHOD: write_symbol(env, "method"); break;
779 case IR_ENTITY_LABEL: write_symbol(env, "label"); break;
780 case IR_ENTITY_COMPOUND_MEMBER: write_symbol(env, "compound_member"); break;
781 case IR_ENTITY_PARAMETER: write_symbol(env, "parameter"); break;
782 case IR_ENTITY_UNKNOWN:
783 write_symbol(env, "unknown");
784 write_long(env, get_entity_nr(ent));
787 write_long(env, get_entity_nr(ent));
789 if (ent->entity_kind != IR_ENTITY_LABEL
790 && ent->entity_kind != IR_ENTITY_PARAMETER) {
791 write_ident_null(env, get_entity_ident(ent));
792 if (!entity_has_ld_ident(ent)) {
793 write_ident_null(env, NULL);
795 write_ident_null(env, get_entity_ld_ident(ent));
799 write_visibility(env, visibility);
800 write_list_begin(env);
801 if (linkage & IR_LINKAGE_CONSTANT)
802 write_symbol(env, "constant");
803 if (linkage & IR_LINKAGE_WEAK)
804 write_symbol(env, "weak");
805 if (linkage & IR_LINKAGE_GARBAGE_COLLECT)
806 write_symbol(env, "garbage_collect");
807 if (linkage & IR_LINKAGE_MERGE)
808 write_symbol(env, "merge");
809 if (linkage & IR_LINKAGE_HIDDEN_USER)
810 write_symbol(env, "hidden_user");
813 write_type_ref(env, type);
814 if (ent->entity_kind != IR_ENTITY_LABEL)
815 write_type_ref(env, owner);
816 write_long(env, is_entity_compiler_generated(ent));
817 write_volatility(env, get_entity_volatility(ent));
819 switch ((ir_entity_kind)ent->entity_kind) {
820 case IR_ENTITY_NORMAL:
821 if (ent->initializer != NULL) {
822 write_symbol(env, "initializer");
823 write_initializer(env, get_entity_initializer(ent));
824 } else if (entity_has_compound_ent_values(ent)) {
825 /* compound graph API is deprecated */
826 panic("exporting compound_graph initializers not supported");
828 write_symbol(env, "none");
831 case IR_ENTITY_COMPOUND_MEMBER:
832 write_long(env, get_entity_offset(ent));
833 write_unsigned(env, get_entity_offset_bits_remainder(ent));
835 case IR_ENTITY_PARAMETER: {
836 size_t num = get_entity_parameter_number(ent);
837 if (num == IR_VA_START_PARAMETER_NUMBER) {
838 write_symbol(env, "va_start");
840 write_size_t(env, num);
844 case IR_ENTITY_UNKNOWN:
845 case IR_ENTITY_LABEL:
846 case IR_ENTITY_METHOD:
850 fputc('\n', env->file);
853 static void write_switch_table(write_env_t *env, const ir_switch_table *table)
855 size_t n_entries = ir_switch_table_get_n_entries(table);
858 write_size_t(env, n_entries);
859 for (i = 0; i < n_entries; ++i) {
860 long pn = ir_switch_table_get_pn(table, i);
861 ir_tarval *min = ir_switch_table_get_min(table, i);
862 ir_tarval *max = ir_switch_table_get_max(table, i);
864 write_tarval(env, min);
865 write_tarval(env, max);
869 static void write_pred_refs(write_env_t *env, const ir_node *node, int from)
871 int arity = get_irn_arity(node);
873 write_list_begin(env);
874 assert(from <= arity);
875 for (i = from; i < arity; ++i) {
876 ir_node *pred = get_irn_n(node, i);
877 write_node_ref(env, pred);
882 static void write_node_nr(write_env_t *env, const ir_node *node)
884 write_long(env, get_irn_node_nr(node));
887 static void write_ASM(write_env_t *env, const ir_node *node)
889 ir_asm_constraint *input_constraints = get_ASM_input_constraints(node);
890 ir_asm_constraint *output_constraints = get_ASM_output_constraints(node);
891 ident **clobbers = get_ASM_clobbers(node);
892 size_t n_input_constraints = get_ASM_n_input_constraints(node);
893 size_t n_output_constraints = get_ASM_n_output_constraints(node);
894 size_t n_clobbers = get_ASM_n_clobbers(node);
897 write_symbol(env, "ASM");
898 write_node_nr(env, node);
899 write_node_nr(env, get_nodes_block(node));
901 write_ident(env, get_ASM_text(node));
902 write_list_begin(env);
903 for (i = 0; i < n_input_constraints; ++i) {
904 const ir_asm_constraint *constraint = &input_constraints[i];
905 write_unsigned(env, constraint->pos);
906 write_ident(env, constraint->constraint);
907 write_mode_ref(env, constraint->mode);
911 write_list_begin(env);
912 for (i = 0; i < n_output_constraints; ++i) {
913 const ir_asm_constraint *constraint = &output_constraints[i];
914 write_unsigned(env, constraint->pos);
915 write_ident(env, constraint->constraint);
916 write_mode_ref(env, constraint->mode);
920 write_list_begin(env);
921 for (i = 0; i < n_clobbers; ++i) {
922 ident *clobber = clobbers[i];
923 write_ident(env, clobber);
927 write_pin_state(env, get_irn_pinned(node));
928 write_pred_refs(env, node, 0);
931 static void write_Phi(write_env_t *env, const ir_node *node)
933 write_symbol(env, "Phi");
934 write_node_nr(env, node);
935 write_node_ref(env, get_nodes_block(node));
936 write_mode_ref(env, get_irn_mode(node));
937 write_pred_refs(env, node, 0);
940 static void write_Block(write_env_t *env, const ir_node *node)
942 ir_entity *entity = get_Block_entity(node);
944 if (entity != NULL) {
945 write_symbol(env, "BlockL");
946 write_node_nr(env, node);
947 write_entity_ref(env, entity);
949 write_symbol(env, "Block");
950 write_node_nr(env, node);
952 write_pred_refs(env, node, 0);
955 static void write_Anchor(write_env_t *env, const ir_node *node)
957 write_symbol(env, "Anchor");
958 write_node_nr(env, node);
959 write_pred_refs(env, node, 0);
962 static void write_SymConst(write_env_t *env, const ir_node *node)
964 /* TODO: only symconst_addr_ent implemented yet */
965 if (get_SymConst_kind(node) != symconst_addr_ent)
966 panic("Can't export %+F (only symconst_addr_ent supported)", node);
968 write_symbol(env, "SymConst");
969 write_node_nr(env, node);
970 write_mode_ref(env, get_irn_mode(node));
971 write_entity_ref(env, get_SymConst_entity(node));
974 typedef void (*write_node_func)(write_env_t *env, const ir_node *node);
976 static void register_node_writer(ir_op *op, write_node_func func)
978 set_generic_function_ptr(op, (op_func)func);
981 static void writers_init(void)
983 ir_clear_opcodes_generic_func();
984 register_node_writer(op_Anchor, write_Anchor);
985 register_node_writer(op_ASM, write_ASM);
986 register_node_writer(op_Block, write_Block);
987 register_node_writer(op_Phi, write_Phi);
988 register_node_writer(op_SymConst, write_SymConst);
989 register_generated_node_writers();
992 static void write_node(const ir_node *node, write_env_t *env)
994 ir_op *op = get_irn_op(node);
995 write_node_func func = (write_node_func) get_generic_function_ptr(op);
997 fputc('\t', env->file);
999 panic("No write_node_func for %+F", node);
1001 fputc('\n', env->file);
1004 static void write_node_recursive(ir_node *node, write_env_t *env);
1006 static void write_preds(ir_node *node, write_env_t *env)
1008 int arity = get_irn_arity(node);
1010 for (i = 0; i < arity; ++i) {
1011 ir_node *pred = get_irn_n(node, i);
1012 write_node_recursive(pred, env);
1017 * Recursively write nodes.
1018 * The reader expects nodes in a way that except for block/phi/anchor nodes
1019 * all predecessors are already defined when we reach them. So usually we
1020 * recurse to all our predecessors except for block/phi/anchor nodes where
1021 * we put the predecessors into a queue for later processing.
1023 static void write_node_recursive(ir_node *node, write_env_t *env)
1025 if (irn_visited_else_mark(node))
1028 if (!is_Block(node)) {
1029 write_node_recursive(get_nodes_block(node), env);
1031 /* write predecessors */
1032 if (!is_Phi(node) && !is_Block(node) && !is_Anchor(node)) {
1033 write_preds(node, env);
1035 int arity = get_irn_arity(node);
1037 for (i = 0; i < arity; ++i) {
1038 ir_node *pred = get_irn_n(node, i);
1039 pdeq_putr(env->write_queue, pred);
1042 write_node(node, env);
1045 static void write_mode(write_env_t *env, ir_mode *mode)
1047 if (mode_is_int(mode)) {
1048 write_symbol(env, "int_mode");
1049 write_string(env, get_mode_name(mode));
1050 write_mode_arithmetic(env, get_mode_arithmetic(mode));
1051 write_unsigned(env, get_mode_size_bits(mode));
1052 write_int(env, get_mode_sign(mode));
1053 write_unsigned(env, get_mode_modulo_shift(mode));
1054 } else if (mode_is_reference(mode)) {
1055 write_symbol(env, "reference_mode");
1056 write_string(env, get_mode_name(mode));
1057 write_mode_arithmetic(env, get_mode_arithmetic(mode));
1058 write_unsigned(env, get_mode_size_bits(mode));
1059 write_unsigned(env, get_mode_modulo_shift(mode));
1061 write_mode_ref(env, get_reference_mode_signed_eq(mode));
1062 write_mode_ref(env, get_reference_mode_unsigned_eq(mode));
1063 write_int(env, (mode == mode_P ? 1 : 0));
1064 } else if (mode_is_float(mode)) {
1065 write_symbol(env, "float_mode");
1066 write_string(env, get_mode_name(mode));
1067 write_mode_arithmetic(env, get_mode_arithmetic(mode));
1068 write_unsigned(env, get_mode_exponent_size(mode));
1069 write_unsigned(env, get_mode_mantissa_size(mode));
1071 panic("Can't write internal modes");
1075 static void write_modes(write_env_t *env)
1077 size_t n_modes = ir_get_n_modes();
1080 write_symbol(env, "modes");
1081 fputs("{\n", env->file);
1083 for (i = 0; i < n_modes; i++) {
1084 ir_mode *mode = ir_get_mode(i);
1085 if (!mode_is_int(mode) && !mode_is_reference(mode)
1086 && !mode_is_float(mode)) {
1087 /* skip internal modes */
1090 fputc('\t', env->file);
1091 write_mode(env, mode);
1092 fputc('\n', env->file);
1095 fputs("}\n\n", env->file);
1098 static void write_program(write_env_t *env)
1101 size_t n_asms = get_irp_n_asms();
1104 write_symbol(env, "program");
1105 write_scope_begin(env);
1106 if (irp_prog_name_is_set()) {
1107 fputc('\t', env->file);
1108 write_symbol(env, "name");
1109 write_string(env, get_irp_name());
1110 fputc('\n', env->file);
1113 for (s = IR_SEGMENT_FIRST; s <= IR_SEGMENT_LAST; ++s) {
1114 ir_type *segment_type = get_segment_type(s);
1115 fputc('\t', env->file);
1116 write_symbol(env, "segment_type");
1117 write_symbol(env, get_segment_name(s));
1118 if (segment_type == NULL) {
1119 write_symbol(env, "NULL");
1121 write_type_ref(env, segment_type);
1123 fputc('\n', env->file);
1126 for (i = 0; i < n_asms; ++i) {
1127 ident *asm_text = get_irp_asm(i);
1128 fputc('\t', env->file);
1129 write_symbol(env, "asm");
1130 write_ident(env, asm_text);
1131 fputc('\n', env->file);
1133 write_scope_end(env);
1136 int ir_export(const char *filename)
1138 FILE *file = fopen(filename, "wt");
1145 ir_export_file(file);
1151 static void write_node_cb(ir_node *node, void *ctx)
1153 write_env_t *env = (write_env_t*)ctx;
1154 write_node(node, env);
1157 static void write_typegraph(write_env_t *env)
1159 size_t n_types = get_irp_n_types();
1162 write_symbol(env, "typegraph");
1163 write_scope_begin(env);
1164 irp_reserve_resources(irp, IRP_RESOURCE_TYPE_VISITED);
1165 inc_master_type_visited();
1166 for (i = 0; i < n_types; ++i) {
1167 ir_type *type = get_irp_type(i);
1168 write_type(env, type);
1170 irp_free_resources(irp, IRP_RESOURCE_TYPE_VISITED);
1171 write_scope_end(env);
1174 static void write_irg(write_env_t *env, ir_graph *irg)
1176 write_symbol(env, "irg");
1177 write_entity_ref(env, get_irg_entity(irg));
1178 write_type_ref(env, get_irg_frame_type(irg));
1179 write_inline_property(env, get_irg_inline_property(irg));
1180 write_unsigned(env, get_irg_additional_properties(irg));
1181 write_scope_begin(env);
1182 ir_reserve_resources(irg, IR_RESOURCE_IRN_VISITED);
1183 inc_irg_visited(irg);
1184 assert(pdeq_empty(env->write_queue));
1185 pdeq_putr(env->write_queue, irg->anchor);
1187 ir_node *node = (ir_node*) pdeq_getl(env->write_queue);
1188 write_node_recursive(node, env);
1189 } while (!pdeq_empty(env->write_queue));
1190 ir_free_resources(irg, IR_RESOURCE_IRN_VISITED);
1191 write_scope_end(env);
1194 /* Exports the whole irp to the given file in a textual form. */
1195 void ir_export_file(FILE *file)
1198 write_env_t *env = &my_env;
1199 size_t i, n_irgs = get_irp_n_irgs();
1201 memset(env, 0, sizeof(*env));
1203 env->write_queue = new_pdeq();
1208 write_typegraph(env);
1210 for (i = 0; i < n_irgs; i++) {
1211 ir_graph *irg = get_irp_irg(i);
1212 write_irg(env, irg);
1215 write_symbol(env, "constirg");
1216 write_node_ref(env, get_const_code_irg()->current_block);
1217 write_scope_begin(env);
1218 walk_const_code(NULL, write_node_cb, env);
1219 write_scope_end(env);
1223 del_pdeq(env->write_queue);
1228 static void read_c(read_env_t *env)
1230 int c = fgetc(env->file);
1236 /** Returns the first non-whitespace character or EOF. **/
1237 static void skip_ws(read_env_t *env)
1254 static void skip_to(read_env_t *env, char to_ch)
1256 while (env->c != to_ch && env->c != EOF) {
1261 static bool expect_char(read_env_t *env, char ch)
1265 parse_error(env, "Unexpected char '%c', expected '%c'\n",
1273 #define EXPECT(c) if (expect_char(env, (c))) {} else return
1275 static char *read_word(read_env_t *env)
1279 assert(obstack_object_size(&env->obst) == 0);
1291 obstack_1grow(&env->obst, c);
1298 obstack_1grow(&env->obst, '\0');
1299 return (char*)obstack_finish(&env->obst);
1302 static char *read_string(read_env_t *env)
1305 if (env->c != '"') {
1306 parse_error(env, "Expected string, got '%c'\n", env->c);
1311 assert(obstack_object_size(&env->obst) == 0);
1312 while (env->c != '"') {
1313 if (env->c == EOF) {
1314 parse_error(env, "Unexpected EOF while parsing string\n");
1318 if (env->c == '\\') {
1322 obstack_1grow(&env->obst, '\n');
1326 obstack_1grow(&env->obst, env->c);
1329 parse_error(env, "Unknown escape sequence '\\%c'\n", env->c);
1333 obstack_1grow(&env->obst, env->c);
1338 obstack_1grow(&env->obst, 0);
1340 return (char*)obstack_finish(&env->obst);
1343 static ident *read_ident(read_env_t *env)
1345 char *str = read_string(env);
1346 ident *res = new_id_from_str(str);
1347 obstack_free(&env->obst, str);
1351 static ident *read_symbol(read_env_t *env)
1353 char *str = read_word(env);
1354 ident *res = new_id_from_str(str);
1355 obstack_free(&env->obst, str);
1360 * reads a "quoted string" or alternatively the token NULL
1362 static char *read_string_null(read_env_t *env)
1365 if (env->c == 'N') {
1366 char *str = read_word(env);
1367 if (strcmp(str, "NULL") == 0) {
1368 obstack_free(&env->obst, str);
1371 } else if (env->c == '"') {
1372 return read_string(env);
1375 parse_error(env, "Expected \"string\" or NULL\n");
1379 static ident *read_ident_null(read_env_t *env)
1382 char *str = read_string_null(env);
1386 res = new_id_from_str(str);
1387 obstack_free(&env->obst, str);
1391 static long read_long(read_env_t *env)
1397 if (!isdigit(env->c) && env->c != '-') {
1398 parse_error(env, "Expected number, got '%c'\n", env->c);
1402 assert(obstack_object_size(&env->obst) == 0);
1404 obstack_1grow(&env->obst, env->c);
1406 } while (isdigit(env->c));
1407 obstack_1grow(&env->obst, 0);
1409 str = (char*)obstack_finish(&env->obst);
1411 obstack_free(&env->obst, str);
1416 static int read_int(read_env_t *env)
1418 return (int) read_long(env);
1421 static unsigned read_unsigned(read_env_t *env)
1423 return (unsigned) read_long(env);
1426 static size_t read_size_t(read_env_t *env)
1429 return (size_t) read_unsigned(env);
1432 static void expect_list_begin(read_env_t *env)
1435 if (env->c != '[') {
1436 parse_error(env, "Expected list, got '%c'\n", env->c);
1442 static bool list_has_next(read_env_t *env)
1444 if (feof(env->file)) {
1445 parse_error(env, "Unexpected EOF while reading list");
1449 if (env->c == ']') {
1457 static void *get_id(read_env_t *env, long id)
1459 id_entry key, *entry;
1462 entry = (id_entry*)set_find(env->idset, &key, sizeof(key), (unsigned) id);
1463 return entry ? entry->elem : NULL;
1466 static void set_id(read_env_t *env, long id, void *elem)
1471 set_insert(env->idset, &key, sizeof(key), (unsigned) id);
1474 static ir_node *get_node_or_null(read_env_t *env, long nodenr)
1476 ir_node *node = (ir_node *) get_id(env, nodenr);
1477 if (node && node->kind != k_ir_node) {
1478 parse_error(env, "Irn ID %ld collides with something else\n",
1485 static ir_type *get_type(read_env_t *env, long typenr)
1487 ir_type *type = (ir_type *) get_id(env, typenr);
1489 parse_error(env, "Type %ld not defined (yet?)\n", typenr);
1490 return get_unknown_type();
1492 if (type->kind != k_type) {
1493 parse_error(env, "Object %ld is not a type (but should be)\n", typenr);
1494 return get_unknown_type();
1499 static ir_type *read_type_ref(read_env_t *env)
1501 char *str = read_word(env);
1502 if (strcmp(str, "none") == 0) {
1503 obstack_free(&env->obst, str);
1504 return get_none_type();
1506 if (strcmp(str, "unknown") == 0) {
1507 obstack_free(&env->obst, str);
1508 return get_unknown_type();
1510 if (strcmp(str, "code") == 0) {
1511 obstack_free(&env->obst, str);
1512 return get_code_type();
1514 long nr = atol(str);
1515 obstack_free(&env->obst, str);
1517 return get_type(env, nr);
1520 static ir_entity *create_error_entity(void)
1522 ir_entity *res = new_entity(get_glob_type(), new_id_from_str("error"),
1523 get_unknown_type());
1527 static ir_entity *get_entity(read_env_t *env, long entnr)
1529 ir_entity *entity = (ir_entity *) get_id(env, entnr);
1530 if (entity == NULL) {
1531 parse_error(env, "unknown entity: %ld\n", entnr);
1532 return create_error_entity();
1534 if (entity->kind != k_entity) {
1535 parse_error(env, "Object %ld is not an entity (but should be)\n",
1537 return create_error_entity();
1543 static ir_entity *read_entity_ref(read_env_t *env)
1545 long nr = read_long(env);
1546 return get_entity(env, nr);
1549 static ir_mode *read_mode_ref(read_env_t *env)
1551 char *str = read_string(env);
1552 size_t n = ir_get_n_modes();
1555 for (i = 0; i < n; i++) {
1556 ir_mode *mode = ir_get_mode(i);
1557 if (strcmp(str, get_mode_name(mode)) == 0) {
1558 obstack_free(&env->obst, str);
1563 parse_error(env, "unknown mode \"%s\"\n", str);
1567 static const char *get_typetag_name(typetag_t typetag)
1570 case tt_align: return "align";
1571 case tt_builtin_kind: return "builtin kind";
1572 case tt_cond_jmp_predicate: return "cond_jmp_predicate";
1573 case tt_initializer: return "initializer kind";
1574 case tt_irg_inline_property: return "irg_inline_property";
1575 case tt_keyword: return "keyword";
1576 case tt_linkage: return "linkage";
1577 case tt_mode_arithmetic: return "mode_arithmetic";
1578 case tt_pin_state: return "pin state";
1579 case tt_segment: return "segment";
1580 case tt_throws: return "throws";
1581 case tt_tpo: return "type";
1582 case tt_type_state: return "type state";
1583 case tt_visibility: return "visibility";
1584 case tt_volatility: return "volatility";
1585 case tt_where_alloc: return "where alloc";
1591 * Read and decode an enum constant.
1593 static unsigned read_enum(read_env_t *env, typetag_t typetag)
1595 char *str = read_word(env);
1596 unsigned code = symbol(str, typetag);
1598 if (code != SYMERROR) {
1599 obstack_free(&env->obst, str);
1603 parse_error(env, "invalid %s: \"%s\"\n", get_typetag_name(typetag), str);
1607 static ir_align read_align(read_env_t *env)
1609 return (ir_align)read_enum(env, tt_align);
1612 static ir_builtin_kind read_builtin_kind(read_env_t *env)
1614 return (ir_builtin_kind)read_enum(env, tt_builtin_kind);
1617 static cond_jmp_predicate read_cond_jmp_predicate(read_env_t *env)
1619 return (cond_jmp_predicate)read_enum(env, tt_cond_jmp_predicate);
1622 static ir_initializer_kind_t read_initializer_kind(read_env_t *env)
1624 return (ir_initializer_kind_t)read_enum(env, tt_initializer);
1627 static ir_mode_arithmetic read_mode_arithmetic(read_env_t *env)
1629 return (ir_mode_arithmetic)read_enum(env, tt_mode_arithmetic);
1632 static op_pin_state read_pin_state(read_env_t *env)
1634 return (op_pin_state)read_enum(env, tt_pin_state);
1637 static ir_type_state read_type_state(read_env_t *env)
1639 return (ir_type_state)read_enum(env, tt_type_state);
1642 static ir_visibility read_visibility(read_env_t *env)
1644 return (ir_visibility)read_enum(env, tt_visibility);
1647 static ir_linkage read_linkage(read_env_t *env)
1649 return (ir_linkage)read_enum(env, tt_linkage);
1652 static ir_volatility read_volatility(read_env_t *env)
1654 return (ir_volatility)read_enum(env, tt_volatility);
1657 static ir_where_alloc read_where_alloc(read_env_t *env)
1659 return (ir_where_alloc)read_enum(env, tt_where_alloc);
1662 static bool read_throws(read_env_t *env)
1664 return (bool)read_enum(env, tt_throws);
1667 static keyword_t read_keyword(read_env_t *env)
1669 return (keyword_t)read_enum(env, tt_keyword);
1672 static irg_inline_property read_inline_property(read_env_t *env)
1674 return (irg_inline_property)read_enum(env, tt_irg_inline_property);
1677 static ir_relation read_relation(read_env_t *env)
1679 return (ir_relation)read_long(env);
1682 static ir_tarval *read_tarval(read_env_t *env)
1684 ir_mode *tvmode = read_mode_ref(env);
1685 char *str = read_word(env);
1687 if (strcmp(str, "bad") == 0)
1689 tv = new_tarval_from_str(str, strlen(str), tvmode);
1690 if (tv == tarval_bad)
1691 parse_error(env, "problem while parsing tarval '%s'\n", str);
1692 obstack_free(&env->obst, str);
1697 static ir_switch_table *read_switch_table(read_env_t *env)
1699 size_t n_entries = read_size_t(env);
1700 ir_switch_table *table = ir_new_switch_table(env->irg, n_entries);
1703 for (i = 0; i < n_entries; ++i) {
1704 long pn = read_long(env);
1705 ir_tarval *min = read_tarval(env);
1706 ir_tarval *max = read_tarval(env);
1707 ir_switch_table_set(table, i, min, max, pn);
1712 static ir_initializer_t *read_initializer(read_env_t *env)
1714 ir_initializer_kind_t ini_kind = read_initializer_kind(env);
1717 case IR_INITIALIZER_CONST: {
1718 long nr = read_long(env);
1719 ir_node *node = get_node_or_null(env, nr);
1720 ir_initializer_t *initializer = create_initializer_const(node);
1722 delayed_initializer_t di;
1723 di.initializer = initializer;
1725 ARR_APP1(delayed_initializer_t, env->delayed_initializers, di);
1730 case IR_INITIALIZER_TARVAL:
1731 return create_initializer_tarval(read_tarval(env));
1733 case IR_INITIALIZER_NULL:
1734 return get_initializer_null();
1736 case IR_INITIALIZER_COMPOUND: {
1737 size_t i, n = read_size_t(env);
1738 ir_initializer_t *ini = create_initializer_compound(n);
1739 for (i = 0; i < n; i++) {
1740 ir_initializer_t *curini = read_initializer(env);
1741 set_initializer_compound_value(ini, i, curini);
1747 panic("Unknown initializer kind");
1750 /** Reads a type description and remembers it by its id. */
1751 static void read_type(read_env_t *env)
1753 long typenr = read_long(env);
1754 tp_opcode tpop = (tp_opcode) read_enum(env, tt_tpo);
1755 unsigned size = (unsigned) read_long(env);
1756 unsigned align = (unsigned) read_long(env);
1757 ir_type_state state = read_type_state(env);
1758 unsigned flags = (unsigned) read_long(env);
1763 size_t n_dimensions = read_size_t(env);
1764 ir_type *elemtype = read_type_ref(env);
1766 ir_entity *element_entity;
1767 long element_entity_nr;
1769 type = new_type_array(n_dimensions, elemtype);
1770 for (i = 0; i < n_dimensions; i++) {
1771 char *str = read_word(env);
1772 if (strcmp(str, "unknown") != 0) {
1773 long lowerbound = atol(str);
1774 set_array_lower_bound_int(type, i, lowerbound);
1776 obstack_free(&env->obst, str);
1778 str = read_word(env);
1779 if (strcmp(str, "unknown") != 0) {
1780 long upperbound = atol(str);
1781 set_array_upper_bound_int(type, i, upperbound);
1783 obstack_free(&env->obst, str);
1786 element_entity_nr = read_long(env);
1787 element_entity = get_array_element_entity(type);
1788 set_id(env, element_entity_nr, element_entity);
1790 set_type_size_bytes(type, size);
1795 ident *id = read_ident_null(env);
1797 if (typenr == (long) IR_SEGMENT_GLOBAL)
1798 type = get_glob_type();
1800 type = new_type_class(id);
1801 set_type_size_bytes(type, size);
1806 unsigned callingconv = read_unsigned(env);
1807 mtp_additional_properties addprops
1808 = (mtp_additional_properties) read_long(env);
1809 size_t nparams = read_size_t(env);
1810 size_t nresults = read_size_t(env);
1814 type = new_type_method(nparams, nresults);
1816 for (i = 0; i < nparams; i++) {
1817 long ptypenr = read_long(env);
1818 ir_type *paramtype = get_type(env, ptypenr);
1820 set_method_param_type(type, i, paramtype);
1822 for (i = 0; i < nresults; i++) {
1823 long ptypenr = read_long(env);
1824 ir_type *restype = get_type(env, ptypenr);
1826 set_method_res_type(type, i, restype);
1829 variadicity = (int) read_long(env);
1830 set_method_variadicity(type, variadicity);
1832 set_method_calling_convention(type, callingconv);
1833 set_method_additional_properties(type, addprops);
1838 ir_mode *mode = read_mode_ref(env);
1839 ir_type *pointsto = get_type(env, read_long(env));
1840 type = new_type_pointer(pointsto);
1841 set_type_mode(type, mode);
1845 case tpo_primitive: {
1846 ir_mode *mode = read_mode_ref(env);
1847 ir_type *base_type = read_type_ref(env);
1848 type = new_type_primitive(mode);
1849 if (base_type != get_none_type()) {
1850 set_primitive_base_type(type, base_type);
1856 ident *id = read_ident_null(env);
1857 type = new_type_struct(id);
1858 set_type_size_bytes(type, size);
1863 ident *id = read_ident_null(env);
1864 type = new_type_union(id);
1865 set_type_size_bytes(type, size);
1872 case tpo_enumeration:
1873 case tpo_uninitialized:
1874 parse_error(env, "can't import this type kind (%d)", tpop);
1877 parse_error(env, "unknown type kind: \"%d\"\n", tpop);
1882 set_type_alignment_bytes(type, align);
1883 type->flags = flags;
1885 if (state == layout_fixed)
1886 ARR_APP1(ir_type *, env->fixedtypes, type);
1888 set_id(env, typenr, type);
1891 static void read_unknown_entity(read_env_t *env)
1893 long entnr = read_long(env);
1894 ir_entity *entity = get_unknown_entity();
1895 set_id(env, entnr, entity);
1898 /** Reads an entity description and remembers it by its id. */
1899 static void read_entity(read_env_t *env, ir_entity_kind kind)
1901 long entnr = read_long(env);
1903 ident *ld_name = NULL;
1904 ir_visibility visibility = ir_visibility_default;
1905 ir_linkage linkage = IR_LINKAGE_DEFAULT;
1906 ir_type *owner = NULL;
1907 ir_entity *entity = NULL;
1908 int compiler_generated;
1909 ir_volatility volatility;
1913 if (kind != IR_ENTITY_LABEL && kind != IR_ENTITY_PARAMETER) {
1914 name = read_ident(env);
1915 ld_name = read_ident_null(env);
1918 visibility = read_visibility(env);
1919 expect_list_begin(env);
1920 while (list_has_next(env)) {
1921 linkage |= read_linkage(env);
1924 type = read_type_ref(env);
1925 if (kind != IR_ENTITY_LABEL)
1926 owner = read_type_ref(env);
1928 compiler_generated = read_long(env) != 0;
1929 volatility = read_volatility(env);
1932 case IR_ENTITY_NORMAL:
1933 entity = new_entity(owner, name, type);
1934 if (ld_name != NULL)
1935 set_entity_ld_ident(entity, ld_name);
1936 str = read_word(env);
1937 if (strcmp(str, "initializer") == 0) {
1938 ir_initializer_t *initializer = read_initializer(env);
1939 if (initializer != NULL)
1940 set_entity_initializer(entity, initializer);
1941 } else if (strcmp(str, "none") == 0) {
1944 parse_error(env, "expected 'initializer' or 'none' got '%s'\n", str);
1947 case IR_ENTITY_COMPOUND_MEMBER:
1948 entity = new_entity(owner, name, type);
1949 if (ld_name != NULL)
1950 set_entity_ld_ident(entity, ld_name);
1951 set_entity_offset(entity, (int) read_long(env));
1952 set_entity_offset_bits_remainder(entity, (unsigned char) read_long(env));
1954 case IR_ENTITY_METHOD:
1955 entity = new_entity(owner, name, type);
1956 if (ld_name != NULL)
1957 set_entity_ld_ident(entity, ld_name);
1959 case IR_ENTITY_PARAMETER: {
1960 char *str = read_word(env);
1961 size_t parameter_number;
1962 if (strcmp(str, "va_start") == 0) {
1963 parameter_number = IR_VA_START_PARAMETER_NUMBER;
1965 parameter_number = atol(str);
1967 obstack_free(&env->obst, str);
1968 entity = new_parameter_entity(owner, parameter_number, type);
1971 case IR_ENTITY_LABEL: {
1972 ir_label_t nr = get_irp_next_label_nr();
1973 entity = new_label_entity(nr);
1975 case IR_ENTITY_UNKNOWN:
1976 panic("read_entity with IR_ENTITY_UNKNOWN?");
1980 set_entity_compiler_generated(entity, compiler_generated);
1981 set_entity_volatility(entity, volatility);
1982 set_entity_visibility(entity, visibility);
1983 set_entity_linkage(entity, linkage);
1985 if (owner != NULL && is_Array_type(owner)) {
1986 set_array_element_entity(owner, entity);
1989 set_id(env, entnr, entity);
1992 /** Parses the whole type graph. */
1993 static void read_typegraph(read_env_t *env)
1995 ir_graph *old_irg = env->irg;
1999 env->irg = get_const_code_irg();
2001 /* parse all types first */
2005 if (env->c == '}') {
2010 kwkind = read_keyword(env);
2017 read_entity(env, IR_ENTITY_NORMAL);
2020 read_entity(env, IR_ENTITY_LABEL);
2023 read_entity(env, IR_ENTITY_METHOD);
2025 case kw_compound_member:
2026 read_entity(env, IR_ENTITY_COMPOUND_MEMBER);
2029 read_entity(env, IR_ENTITY_PARAMETER);
2032 read_unknown_entity(env);
2035 parse_error(env, "type graph element not supported yet: %d\n", kwkind);
2044 * Read a node reference and return the node for it. This assumes that the node
2045 * was previously read. This is fine for all normal nodes.
2046 * (Note: that we "break" loops by having special code for phi, block or anchor
2047 * nodes in place, firm guarantees us that a loop in the graph always contains
2048 * a phi, block or anchor node)
2050 static ir_node *read_node_ref(read_env_t *env)
2052 long nr = read_long(env);
2053 ir_node *node = get_node_or_null(env, nr);
2055 parse_error(env, "node %ld not defined (yet?)\n", nr);
2056 return new_r_Bad(env->irg, mode_ANY);
2061 static int read_preds(read_env_t *env)
2063 expect_list_begin(env);
2064 assert(obstack_object_size(&env->preds_obst) == 0);
2065 while (list_has_next(env)) {
2066 ir_node *pred = read_node_ref(env);
2067 obstack_grow(&env->preds_obst, &pred, sizeof(pred));
2069 return obstack_object_size(&env->preds_obst) / sizeof(ir_node*);
2072 static void read_preds_delayed(read_env_t *env, ir_node *node)
2077 expect_list_begin(env);
2078 assert(obstack_object_size(&env->preds_obst) == 0);
2079 obstack_blank(&env->preds_obst, sizeof(delayed_pred_t));
2080 while (list_has_next(env)) {
2081 long pred_nr = read_long(env);
2082 obstack_grow(&env->preds_obst, &pred_nr, sizeof(pred_nr));
2085 d = (delayed_pred_t*) obstack_finish(&env->preds_obst);
2087 d->n_preds = n_preds;
2089 ARR_APP1(const delayed_pred_t*, env->delayed_preds, d);
2092 static ir_node *read_ASM(read_env_t *env)
2097 ir_asm_constraint *input_constraints = NEW_ARR_F(ir_asm_constraint, 0);
2098 ir_asm_constraint *output_constraints = NEW_ARR_F(ir_asm_constraint, 0);
2099 ident **clobbers = NEW_ARR_F(ident*, 0);
2100 ir_node *block = read_node_ref(env);
2101 op_pin_state pin_state;
2103 ident *asm_text = read_ident(env);
2105 expect_list_begin(env);
2106 while (list_has_next(env)) {
2107 ir_asm_constraint constraint;
2108 constraint.pos = read_unsigned(env);
2109 constraint.constraint = read_ident(env);
2110 constraint.mode = read_mode_ref(env);
2111 ARR_APP1(ir_asm_constraint, input_constraints, constraint);
2114 expect_list_begin(env);
2115 while (list_has_next(env)) {
2116 ir_asm_constraint constraint;
2117 constraint.pos = read_unsigned(env);
2118 constraint.constraint = read_ident(env);
2119 constraint.mode = read_mode_ref(env);
2120 ARR_APP1(ir_asm_constraint, output_constraints, constraint);
2123 expect_list_begin(env);
2124 while (list_has_next(env)) {
2125 ident *clobber = read_ident(env);
2126 ARR_APP1(ident*, clobbers, clobber);
2129 pin_state = read_pin_state(env);
2131 n_in = read_preds(env);
2132 in = obstack_finish(&env->preds_obst);
2134 if (ARR_LEN(input_constraints) != (size_t)n_in) {
2135 parse_error(env, "input_constraints != n_in in ir file");
2136 return new_r_Bad(env->irg, mode_T);
2139 newnode = new_r_ASM(block, n_in, in,
2140 input_constraints, ARR_LEN(output_constraints),
2141 output_constraints, ARR_LEN(clobbers),
2142 clobbers, asm_text);
2143 set_irn_pinned(newnode, pin_state);
2144 obstack_free(&env->preds_obst, in);
2145 DEL_ARR_F(clobbers);
2146 DEL_ARR_F(output_constraints);
2147 DEL_ARR_F(input_constraints);
2151 static ir_node *read_Phi(read_env_t *env)
2153 ir_node *block = read_node_ref(env);
2154 ir_mode *mode = read_mode_ref(env);
2155 ir_node *res = new_r_Phi(block, 0, NULL, mode);
2156 read_preds_delayed(env, res);
2160 static ir_node *read_Block(read_env_t *env)
2162 ir_node *res = new_r_Block(env->irg, 0, NULL);
2163 read_preds_delayed(env, res);
2167 static ir_node *read_labeled_Block(read_env_t *env)
2169 ir_node *res = new_r_Block(env->irg, 0, NULL);
2170 ir_entity *entity = read_entity_ref(env);
2171 read_preds_delayed(env, res);
2172 set_Block_entity(res, entity);
2176 static ir_node *read_SymConst(read_env_t *env)
2178 ir_mode *mode = read_mode_ref(env);
2179 ir_entity *entity = read_entity_ref(env);
2181 symconst_symbol sym;
2183 sym.entity_p = entity;
2184 res = new_r_SymConst(env->irg, mode, sym, symconst_addr_ent);
2188 static ir_node *read_Anchor(read_env_t *env)
2190 ir_node *res = new_r_Anchor(env->irg);
2191 read_preds_delayed(env, res);
2195 typedef ir_node* (*read_node_func)(read_env_t *env);
2196 static pmap *node_readers;
2198 static void register_node_reader(ident *ident, read_node_func func)
2200 pmap_insert(node_readers, ident, func);
2203 static ir_node *read_node(read_env_t *env)
2205 ident *id = read_symbol(env);
2206 read_node_func func = pmap_get(node_readers, id);
2207 long nr = read_long(env);
2210 parse_error(env, "Unknown nodetype '%s'", get_id_str(id));
2212 res = new_r_Bad(env->irg, mode_ANY);
2216 set_id(env, nr, res);
2220 static void readers_init(void)
2222 assert(node_readers == NULL);
2223 node_readers = pmap_create();
2224 register_node_reader(new_id_from_str("Anchor"), read_Anchor);
2225 register_node_reader(new_id_from_str("ASM"), read_ASM);
2226 register_node_reader(new_id_from_str("Block"), read_Block);
2227 register_node_reader(new_id_from_str("BlockL"), read_labeled_Block);
2228 register_node_reader(new_id_from_str("Phi"), read_Phi);
2229 register_node_reader(new_id_from_str("SymConst"), read_SymConst);
2230 register_generated_node_readers();
2233 static void read_graph(read_env_t *env, ir_graph *irg)
2235 size_t n_delayed_preds;
2239 env->delayed_preds = NEW_ARR_F(const delayed_pred_t*, 0);
2244 if (env->c == '}' || env->c == EOF) {
2252 /* resolve delayed preds */
2253 n_delayed_preds = ARR_LEN(env->delayed_preds);
2254 for (i = 0; i < n_delayed_preds; ++i) {
2255 const delayed_pred_t *dp = env->delayed_preds[i];
2256 ir_node **ins = ALLOCAN(ir_node*, dp->n_preds);
2258 for (i = 0; i < dp->n_preds; ++i) {
2259 long pred_nr = dp->preds[i];
2260 ir_node *pred = get_node_or_null(env, pred_nr);
2262 parse_error(env, "predecessor %ld of a node not defined\n",
2264 goto next_delayed_pred;
2268 set_irn_in(dp->node, dp->n_preds, ins);
2269 if (is_Anchor(dp->node)) {
2271 for (a = anchor_first; a <= anchor_last; ++a) {
2272 ir_node *old_anchor = get_irg_anchor(irg, a);
2273 ir_node *new_anchor = ins[a];
2274 exchange(old_anchor, new_anchor);
2277 next_delayed_pred: ;
2279 DEL_ARR_F(env->delayed_preds);
2280 env->delayed_preds = NULL;
2283 static ir_graph *read_irg(read_env_t *env)
2285 ir_entity *irgent = get_entity(env, read_long(env));
2286 ir_graph *irg = new_ir_graph(irgent, 0);
2287 ir_type *frame = read_type_ref(env);
2288 irg_inline_property prop = read_inline_property(env);
2289 unsigned props = read_unsigned(env);
2290 set_irg_frame_type(irg, frame);
2291 set_irg_inline_property(irg, prop);
2292 set_irg_additional_properties(irg, (mtp_additional_properties)props);
2293 read_graph(env, irg);
2294 irg_finalize_cons(irg);
2298 static void read_modes(read_env_t *env)
2306 if (env->c == '}' || env->c == EOF) {
2311 kwkind = read_keyword(env);
2314 const char *name = read_string(env);
2315 ir_mode_arithmetic arith = read_mode_arithmetic(env);
2316 int size = read_long(env);
2317 int sign = read_long(env);
2318 unsigned modulo_shift = read_long(env);
2319 new_int_mode(name, arith, size, sign, modulo_shift);
2322 case kw_reference_mode: {
2323 const char *name = read_string(env);
2324 ir_mode_arithmetic arith = read_mode_arithmetic(env);
2325 int size = read_long(env);
2326 unsigned modulo_shift = read_long(env);
2327 ir_mode *mode = new_reference_mode(name, arith, size, modulo_shift);
2328 set_reference_mode_signed_eq(mode, read_mode_ref(env));
2329 set_reference_mode_unsigned_eq(mode, read_mode_ref(env));
2330 int is_mode_P = read_int(env);
2332 set_modeP_data(mode);
2333 set_modeP_code(mode);
2337 case kw_float_mode: {
2338 const char *name = read_string(env);
2339 ir_mode_arithmetic arith = read_mode_arithmetic(env);
2340 int exponent_size = read_long(env);
2341 int mantissa_size = read_long(env);
2342 new_float_mode(name, arith, exponent_size, mantissa_size);
2353 static void read_program(read_env_t *env)
2361 if (env->c == '}') {
2366 kwkind = read_keyword(env);
2368 case kw_segment_type: {
2369 ir_segment_t segment = (ir_segment_t) read_enum(env, tt_segment);
2370 ir_type *type = read_type_ref(env);
2371 set_segment_type(segment, type);
2375 ident *text = read_ident(env);
2380 parse_error(env, "unexpected keyword %d\n", kwkind);
2386 int ir_import(const char *filename)
2388 FILE *file = fopen(filename, "rt");
2395 res = ir_import_file(file, filename);
2401 int ir_import_file(FILE *input, const char *inputname)
2404 int oldoptimize = get_optimize();
2405 read_env_t *env = &myenv;
2408 size_t n_delayed_initializers;
2413 memset(env, 0, sizeof(*env));
2414 obstack_init(&env->obst);
2415 obstack_init(&env->preds_obst);
2416 env->idset = new_set(id_cmp, 128);
2417 env->fixedtypes = NEW_ARR_F(ir_type *, 0);
2418 env->inputname = inputname;
2421 env->delayed_initializers = NEW_ARR_F(delayed_initializer_t, 0);
2423 /* read first character */
2435 kw = read_keyword(env);
2442 read_typegraph(env);
2450 ir_graph *constirg = get_const_code_irg();
2451 long bodyblockid = read_long(env);
2452 set_id(env, bodyblockid, constirg->current_block);
2453 read_graph(env, constirg);
2462 parse_error(env, "Unexpected keyword %d at toplevel\n", kw);
2468 n = ARR_LEN(env->fixedtypes);
2469 for (i = 0; i < n; i++)
2470 set_type_state(env->fixedtypes[i], layout_fixed);
2472 DEL_ARR_F(env->fixedtypes);
2474 /* resolve delayed initializers */
2475 n_delayed_initializers = ARR_LEN(env->delayed_initializers);
2476 for (i = 0; i < n_delayed_initializers; ++i) {
2477 const delayed_initializer_t *di = &env->delayed_initializers[i];
2478 ir_node *node = get_node_or_null(env, di->node_nr);
2480 parse_error(env, "node %ld mentioned in an initializer was never defined\n",
2484 assert(di->initializer->kind == IR_INITIALIZER_CONST);
2485 di->initializer->consti.value = node;
2487 DEL_ARR_F(env->delayed_initializers);
2488 env->delayed_initializers = NULL;
2490 del_set(env->idset);
2492 irp_finalize_cons();
2494 set_optimize(oldoptimize);
2496 obstack_free(&env->preds_obst, NULL);
2497 obstack_free(&env->obst, NULL);
2499 pmap_destroy(node_readers);
2500 node_readers = NULL;
2502 return env->read_errors;
2505 #include "gen_irio.inl"