2 * Copyright (C) 1995-2011 University of Karlsruhe. All right reserved.
4 * This file is part of libFirm.
6 * This file may be distributed and/or modified under the terms of the
7 * GNU General Public License version 2 as published by the Free Software
8 * Foundation and appearing in the file LICENSE.GPL included in the
9 * packaging of this file.
11 * Licensees holding valid libFirm Professional Edition licenses may use
12 * this file in accordance with the libFirm Commercial License.
13 * Agreement provided with the Software.
15 * This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
16 * WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22 * @brief Write textual representation of firm to file.
23 * @author Moritz Kroll, Matthias Braun
36 #include "irgraph_t.h"
51 #define SYMERROR ((unsigned) ~0)
53 static void register_generated_node_readers(void);
54 static void register_generated_node_writers(void);
56 typedef struct delayed_initializer_t {
57 ir_initializer_t *initializer;
59 } delayed_initializer_t;
61 typedef struct delayed_pred_t {
67 typedef struct read_env_t {
68 int c; /**< currently read char */
70 const char *inputname;
74 set *idset; /**< id_entry set, which maps from file ids to
79 struct obstack preds_obst;
80 delayed_initializer_t *delayed_initializers;
81 const delayed_pred_t **delayed_preds;
84 typedef struct write_env_t {
89 typedef enum typetag_t {
92 tt_cond_jmp_predicate,
94 tt_irg_inline_property,
108 typedef enum keyword_t {
128 typedef struct symbol_t {
129 const char *str; /**< The name of this symbol. */
130 typetag_t typetag; /**< The type tag of this symbol. */
131 unsigned code; /**< The value of this symbol. */
134 typedef struct id_entry {
139 /** The symbol table, a set of symbol_t elements. */
143 * Compare two symbol table entries.
145 static int symbol_cmp(const void *elt, const void *key, size_t size)
148 const symbol_t *entry = (const symbol_t *) elt;
149 const symbol_t *keyentry = (const symbol_t *) key;
151 res = entry->typetag - keyentry->typetag;
153 return strcmp(entry->str, keyentry->str);
156 static int id_cmp(const void *elt, const void *key, size_t size)
158 const id_entry *entry = (const id_entry *) elt;
159 const id_entry *keyentry = (const id_entry *) key;
161 return entry->id - keyentry->id;
164 static void __attribute__((format(printf, 2, 3)))
165 parse_error(read_env_t *env, const char *fmt, ...)
168 unsigned line = env->line;
170 /* workaround read_c "feature" that a '\n' triggers the line++
171 * instead of the character after the '\n' */
172 if (env->c == '\n') {
176 fprintf(stderr, "%s:%u: error ", env->inputname, line);
177 env->read_errors = true;
179 /* let's hope firm doesn't die on further errors */
180 do_node_verification(FIRM_VERIFICATION_OFF);
183 vfprintf(stderr, fmt, ap);
187 /** Initializes the symbol table. May be called more than once without problems. */
188 static void symtbl_init(void)
192 /* Only initialize once */
196 symtbl = new_set(symbol_cmp, 256);
198 #define INSERT(tt, s, cod) \
200 key.typetag = (tt); \
202 (void)set_insert(symbol_t, symtbl, &key, sizeof(key), hash_str(s) + tt * 17)
204 #define INSERTENUM(tt, e) INSERT(tt, #e, e)
205 #define INSERTKEYWORD(k) INSERT(tt_keyword, #k, kw_##k)
207 INSERT(tt_tpo, "array", tpo_array);
208 INSERT(tt_tpo, "class", tpo_class);
209 INSERT(tt_tpo, "method", tpo_method);
210 INSERT(tt_tpo, "pointer", tpo_pointer);
211 INSERT(tt_tpo, "primitive", tpo_primitive);
212 INSERT(tt_tpo, "struct", tpo_struct);
213 INSERT(tt_tpo, "union", tpo_union);
214 INSERT(tt_tpo, "Unknown", tpo_unknown);
216 INSERT(tt_segment, "global", IR_SEGMENT_GLOBAL);
217 INSERT(tt_segment, "thread_local", IR_SEGMENT_THREAD_LOCAL);
218 INSERT(tt_segment, "constructors", IR_SEGMENT_CONSTRUCTORS);
219 INSERT(tt_segment, "destructors", IR_SEGMENT_DESTRUCTORS);
221 INSERT(tt_linkage, "constant", IR_LINKAGE_CONSTANT);
222 INSERT(tt_linkage, "weak", IR_LINKAGE_WEAK);
223 INSERT(tt_linkage, "garbage_collect", IR_LINKAGE_GARBAGE_COLLECT);
224 INSERT(tt_linkage, "merge", IR_LINKAGE_MERGE);
225 INSERT(tt_linkage, "hidden_user", IR_LINKAGE_HIDDEN_USER);
227 INSERT(tt_visibility, "local", ir_visibility_local);
228 INSERT(tt_visibility, "external", ir_visibility_external);
229 INSERT(tt_visibility, "private", ir_visibility_private);
231 INSERT(tt_throws, "throw", true);
232 INSERT(tt_throws, "nothrow", false);
235 INSERTKEYWORD(compound_member);
236 INSERTKEYWORD(constirg);
237 INSERTKEYWORD(entity);
238 INSERTKEYWORD(float_mode);
239 INSERTKEYWORD(int_mode);
241 INSERTKEYWORD(label);
242 INSERTKEYWORD(method);
243 INSERTKEYWORD(modes);
244 INSERTKEYWORD(parameter);
245 INSERTKEYWORD(program);
246 INSERTKEYWORD(reference_mode);
247 INSERTKEYWORD(segment_type);
249 INSERTKEYWORD(typegraph);
250 INSERTKEYWORD(unknown);
252 INSERTENUM(tt_align, align_non_aligned);
253 INSERTENUM(tt_align, align_is_aligned);
255 INSERTENUM(tt_builtin_kind, ir_bk_trap);
256 INSERTENUM(tt_builtin_kind, ir_bk_debugbreak);
257 INSERTENUM(tt_builtin_kind, ir_bk_return_address);
258 INSERTENUM(tt_builtin_kind, ir_bk_frame_address);
259 INSERTENUM(tt_builtin_kind, ir_bk_prefetch);
260 INSERTENUM(tt_builtin_kind, ir_bk_ffs);
261 INSERTENUM(tt_builtin_kind, ir_bk_clz);
262 INSERTENUM(tt_builtin_kind, ir_bk_ctz);
263 INSERTENUM(tt_builtin_kind, ir_bk_popcount);
264 INSERTENUM(tt_builtin_kind, ir_bk_parity);
265 INSERTENUM(tt_builtin_kind, ir_bk_bswap);
266 INSERTENUM(tt_builtin_kind, ir_bk_inport);
267 INSERTENUM(tt_builtin_kind, ir_bk_outport);
268 INSERTENUM(tt_builtin_kind, ir_bk_inner_trampoline);
270 INSERTENUM(tt_cond_jmp_predicate, COND_JMP_PRED_NONE);
271 INSERTENUM(tt_cond_jmp_predicate, COND_JMP_PRED_TRUE);
272 INSERTENUM(tt_cond_jmp_predicate, COND_JMP_PRED_FALSE);
274 INSERTENUM(tt_initializer, IR_INITIALIZER_CONST);
275 INSERTENUM(tt_initializer, IR_INITIALIZER_TARVAL);
276 INSERTENUM(tt_initializer, IR_INITIALIZER_NULL);
277 INSERTENUM(tt_initializer, IR_INITIALIZER_COMPOUND);
279 INSERT(tt_mode_arithmetic, "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_private: return "private";
327 panic("INVALID_VISIBILITY");
330 static const char *get_mode_arithmetic_name(ir_mode_arithmetic arithmetic)
332 switch (arithmetic) {
333 case irma_none: return "none";
334 case irma_twos_complement: return "twos_complement";
335 case irma_ieee754: return "ieee754";
336 case irma_x86_extended_float: return "x86_extended_float";
338 panic("invalid mode_arithmetic");
341 static const char *get_irg_inline_property_name(irg_inline_property prop)
344 case irg_inline_any: return "any";
345 case irg_inline_recomended: return "recommended";
346 case irg_inline_forbidden: return "forbidden";
347 case irg_inline_forced: return "forced";
348 case irg_inline_forced_no_body: return "forced_no_body";
350 panic("invalid irg_inline_property");
353 /** Returns the according symbol value for the given string and tag, or SYMERROR if none was found. */
354 static unsigned symbol(const char *str, typetag_t typetag)
356 symbol_t key, *entry;
359 key.typetag = typetag;
361 entry = set_find(symbol_t, symtbl, &key, sizeof(key), hash_str(str) + typetag * 17);
362 return entry ? entry->code : SYMERROR;
365 static void write_long(write_env_t *env, long value)
367 fprintf(env->file, "%ld ", value);
370 static void write_int(write_env_t *env, int value)
372 fprintf(env->file, "%d ", value);
375 static void write_unsigned(write_env_t *env, unsigned value)
377 fprintf(env->file, "%u ", value);
380 static void write_size_t(write_env_t *env, size_t value)
382 ir_fprintf(env->file, "%zu ", value);
385 static void write_symbol(write_env_t *env, const char *symbol)
387 fputs(symbol, env->file);
388 fputc(' ', env->file);
391 static void write_entity_ref(write_env_t *env, ir_entity *entity)
393 write_long(env, get_entity_nr(entity));
396 static void write_type_ref(write_env_t *env, ir_type *type)
398 switch (get_type_tpop_code(type)) {
400 write_symbol(env, "unknown");
403 write_symbol(env, "none");
406 write_symbol(env, "code");
411 write_long(env, get_type_nr(type));
414 static void write_string(write_env_t *env, const char *string)
417 fputc('"', env->file);
418 for (c = string; *c != '\0'; ++c) {
421 fputc('\\', env->file);
422 fputc('n', env->file);
426 fputc('\\', env->file);
429 fputc(*c, env->file);
433 fputc('"', env->file);
434 fputc(' ', env->file);
437 static void write_ident(write_env_t *env, ident *id)
439 write_string(env, get_id_str(id));
442 static void write_ident_null(write_env_t *env, ident *id)
445 fputs("NULL ", env->file);
447 write_ident(env, id);
451 static void write_mode_ref(write_env_t *env, ir_mode *mode)
453 write_string(env, get_mode_name(mode));
456 static void write_tarval(write_env_t *env, ir_tarval *tv)
458 write_mode_ref(env, get_tarval_mode(tv));
459 if (tv == tarval_bad) {
460 write_symbol(env, "bad");
463 tarval_snprintf(buf, sizeof(buf), tv);
464 fputs(buf, env->file);
465 fputc(' ', env->file);
469 static void write_align(write_env_t *env, ir_align align)
471 fputs(get_align_name(align), env->file);
472 fputc(' ', env->file);
475 static void write_builtin_kind(write_env_t *env, const ir_node *node)
477 fputs(get_builtin_kind_name(get_Builtin_kind(node)), env->file);
478 fputc(' ', env->file);
481 static void write_cond_jmp_predicate(write_env_t *env, const ir_node *node)
483 fputs(get_cond_jmp_predicate_name(get_Cond_jmp_pred(node)), env->file);
484 fputc(' ', env->file);
487 static void write_relation(write_env_t *env, ir_relation relation)
489 write_long(env, (long)relation);
492 static void write_where_alloc(write_env_t *env, ir_where_alloc where_alloc)
494 switch (where_alloc) {
495 case stack_alloc: write_symbol(env, "stack_alloc"); return;
496 case heap_alloc: write_symbol(env, "heap_alloc"); return;
498 panic("invalid where_alloc value");
501 static void write_throws(write_env_t *env, bool throws)
503 write_symbol(env, throws ? "throw" : "nothrow");
506 static void write_list_begin(write_env_t *env)
508 fputs("[", env->file);
511 static void write_list_end(write_env_t *env)
513 fputs("] ", env->file);
516 static void write_scope_begin(write_env_t *env)
518 fputs("{\n", env->file);
521 static void write_scope_end(write_env_t *env)
523 fputs("}\n\n", env->file);
526 static void write_node_ref(write_env_t *env, const ir_node *node)
528 write_long(env, get_irn_node_nr(node));
531 static void write_initializer(write_env_t *env, ir_initializer_t *ini)
534 ir_initializer_kind_t ini_kind = get_initializer_kind(ini);
536 fputs(get_initializer_kind_name(ini_kind), f);
540 case IR_INITIALIZER_CONST:
541 write_node_ref(env, get_initializer_const_value(ini));
544 case IR_INITIALIZER_TARVAL:
545 write_tarval(env, get_initializer_tarval_value(ini));
548 case IR_INITIALIZER_NULL:
551 case IR_INITIALIZER_COMPOUND: {
552 size_t i, n = get_initializer_compound_n_entries(ini);
553 write_size_t(env, n);
554 for (i = 0; i < n; ++i)
555 write_initializer(env, get_initializer_compound_value(ini, i));
559 panic("Unknown initializer kind");
562 static void write_pin_state(write_env_t *env, op_pin_state state)
564 fputs(get_op_pin_state_name(state), env->file);
565 fputc(' ', env->file);
568 static void write_volatility(write_env_t *env, ir_volatility vol)
570 fputs(get_volatility_name(vol), env->file);
571 fputc(' ', env->file);
574 static void write_inline_property(write_env_t *env, irg_inline_property prop)
576 fputs(get_irg_inline_property_name(prop), env->file);
577 fputc(' ', env->file);
580 static void write_type_state(write_env_t *env, ir_type_state state)
582 fputs(get_type_state_name(state), env->file);
583 fputc(' ', env->file);
586 static void write_visibility(write_env_t *env, ir_visibility visibility)
588 fputs(get_visibility_name(visibility), env->file);
589 fputc(' ', env->file);
592 static void write_mode_arithmetic(write_env_t *env, ir_mode_arithmetic arithmetic)
594 fputs(get_mode_arithmetic_name(arithmetic), env->file);
595 fputc(' ', env->file);
598 static void write_type(write_env_t *env, ir_type *tp);
599 static void write_entity(write_env_t *env, ir_entity *entity);
601 static void write_type_common(write_env_t *env, ir_type *tp)
603 fputc('\t', env->file);
604 write_symbol(env, "type");
605 write_long(env, get_type_nr(tp));
606 write_symbol(env, get_type_tpop_name(tp));
607 write_unsigned(env, get_type_size_bytes(tp));
608 write_unsigned(env, get_type_alignment_bytes(tp));
609 write_type_state(env, get_type_state(tp));
610 write_unsigned(env, tp->flags);
613 static void write_type_primitive(write_env_t *env, ir_type *tp)
615 ir_type *base_type = get_primitive_base_type(tp);
617 if (base_type != NULL)
618 write_type(env, base_type);
620 write_type_common(env, tp);
621 write_mode_ref(env, get_type_mode(tp));
622 if (base_type == NULL)
623 base_type = get_none_type();
624 write_type_ref(env, base_type);
625 fputc('\n', env->file);
628 static void write_type_compound(write_env_t *env, ir_type *tp)
630 size_t n_members = get_compound_n_members(tp);
633 if (is_Class_type(tp)) {
634 if (get_class_n_subtypes(tp) > 0 || get_class_n_supertypes(tp) > 0
635 || get_class_type_info(tp) != NULL || get_class_vtable_size(tp) > 0) {
636 /* sub/superclass export not implemented yet, it's unclear wether
637 * class types will stay in libfirm anyway */
638 panic("can't export class types yet");
641 write_type_common(env, tp);
642 write_ident_null(env, get_compound_ident(tp));
643 fputc('\n', env->file);
645 for (i = 0; i < n_members; ++i) {
646 ir_entity *member = get_compound_member(tp, i);
647 write_entity(env, member);
651 static void write_type_array(write_env_t *env, ir_type *tp)
653 size_t n_dimensions = get_array_n_dimensions(tp);
654 ir_type *element_type = get_array_element_type(tp);
655 ir_entity *element_entity = get_array_element_entity(tp);
658 write_type(env, element_type);
660 write_type_common(env, tp);
661 write_size_t(env, n_dimensions);
662 write_type_ref(env, get_array_element_type(tp));
663 for (i = 0; i < n_dimensions; i++) {
664 ir_node *lower = get_array_lower_bound(tp, i);
665 ir_node *upper = get_array_upper_bound(tp, i);
668 write_long(env, get_tarval_long(get_Const_tarval(lower)));
670 panic("Lower array bound is not constant");
673 write_long(env, get_tarval_long(get_Const_tarval(upper)));
674 else if (is_Unknown(upper))
675 write_symbol(env, "unknown");
677 panic("Upper array bound is not constant");
679 /* note that we just write a reference to the element entity
680 * but never the entity itself */
681 write_entity_ref(env, element_entity);
682 fputc('\n', env->file);
685 static void write_type_method(write_env_t *env, ir_type *tp)
687 size_t nparams = get_method_n_params(tp);
688 size_t nresults = get_method_n_ress(tp);
691 for (i = 0; i < nparams; i++)
692 write_type(env, get_method_param_type(tp, i));
693 for (i = 0; i < nresults; i++)
694 write_type(env, get_method_res_type(tp, i));
696 write_type_common(env, tp);
697 write_unsigned(env, get_method_calling_convention(tp));
698 write_unsigned(env, get_method_additional_properties(tp));
699 write_size_t(env, nparams);
700 write_size_t(env, nresults);
701 for (i = 0; i < nparams; i++)
702 write_type_ref(env, get_method_param_type(tp, i));
703 for (i = 0; i < nresults; i++)
704 write_type_ref(env, get_method_res_type(tp, i));
705 write_unsigned(env, get_method_variadicity(tp));
706 fputc('\n', env->file);
709 static void write_type_pointer(write_env_t *env, ir_type *tp)
711 ir_type *points_to = get_pointer_points_to_type(tp);
713 write_type(env, points_to);
715 write_type_common(env, tp);
716 write_mode_ref(env, get_type_mode(tp));
717 write_type_ref(env, points_to);
718 fputc('\n', env->file);
721 static void write_type_enumeration(write_env_t *env, ir_type *tp)
723 write_type_common(env, tp);
724 write_ident_null(env, get_enumeration_ident(tp));
725 fputc('\n', env->file);
728 static void write_type(write_env_t *env, ir_type *tp)
730 if (type_visited(tp))
732 mark_type_visited(tp);
734 switch ((tp_opcode)get_type_tpop_code(tp)) {
738 case tpo_uninitialized:
739 /* no need to write special builtin types */
745 write_type_compound(env, tp);
748 case tpo_primitive: write_type_primitive(env, tp); return;
749 case tpo_enumeration: write_type_enumeration(env, tp); return;
750 case tpo_method: write_type_method(env, tp); return;
751 case tpo_pointer: write_type_pointer(env, tp); return;
752 case tpo_array: write_type_array(env, tp); return;
754 panic("can't write invalid type %+F\n", tp);
757 static void write_entity(write_env_t *env, ir_entity *ent)
759 ir_type *type = get_entity_type(ent);
760 ir_type *owner = get_entity_owner(ent);
761 ir_visibility visibility = get_entity_visibility(ent);
762 ir_linkage linkage = get_entity_linkage(ent);
764 if (entity_visited(ent))
766 mark_entity_visited(ent);
768 write_type(env, type);
769 write_type(env, owner);
771 fputc('\t', env->file);
772 switch ((ir_entity_kind)ent->entity_kind) {
773 case IR_ENTITY_NORMAL: write_symbol(env, "entity"); break;
774 case IR_ENTITY_METHOD: write_symbol(env, "method"); break;
775 case IR_ENTITY_LABEL: write_symbol(env, "label"); break;
776 case IR_ENTITY_COMPOUND_MEMBER: write_symbol(env, "compound_member"); break;
777 case IR_ENTITY_PARAMETER: write_symbol(env, "parameter"); break;
778 case IR_ENTITY_UNKNOWN:
779 write_symbol(env, "unknown");
780 write_long(env, get_entity_nr(ent));
783 write_long(env, get_entity_nr(ent));
785 if (ent->entity_kind != IR_ENTITY_LABEL
786 && ent->entity_kind != IR_ENTITY_PARAMETER) {
787 write_ident_null(env, get_entity_ident(ent));
788 if (!entity_has_ld_ident(ent)) {
789 write_ident_null(env, NULL);
791 write_ident_null(env, get_entity_ld_ident(ent));
795 write_visibility(env, visibility);
796 write_list_begin(env);
797 if (linkage & IR_LINKAGE_CONSTANT)
798 write_symbol(env, "constant");
799 if (linkage & IR_LINKAGE_WEAK)
800 write_symbol(env, "weak");
801 if (linkage & IR_LINKAGE_GARBAGE_COLLECT)
802 write_symbol(env, "garbage_collect");
803 if (linkage & IR_LINKAGE_MERGE)
804 write_symbol(env, "merge");
805 if (linkage & IR_LINKAGE_HIDDEN_USER)
806 write_symbol(env, "hidden_user");
809 write_type_ref(env, type);
810 if (ent->entity_kind != IR_ENTITY_LABEL)
811 write_type_ref(env, owner);
812 write_long(env, is_entity_compiler_generated(ent));
813 write_volatility(env, get_entity_volatility(ent));
815 switch ((ir_entity_kind)ent->entity_kind) {
816 case IR_ENTITY_NORMAL:
817 if (ent->initializer != NULL) {
818 write_symbol(env, "initializer");
819 write_initializer(env, get_entity_initializer(ent));
821 write_symbol(env, "none");
824 case IR_ENTITY_COMPOUND_MEMBER:
825 write_long(env, get_entity_offset(ent));
826 write_unsigned(env, get_entity_offset_bits_remainder(ent));
828 case IR_ENTITY_PARAMETER: {
829 size_t num = get_entity_parameter_number(ent);
830 if (num == IR_VA_START_PARAMETER_NUMBER) {
831 write_symbol(env, "va_start");
833 write_size_t(env, num);
837 case IR_ENTITY_UNKNOWN:
838 case IR_ENTITY_LABEL:
839 case IR_ENTITY_METHOD:
843 fputc('\n', env->file);
846 static void write_switch_table(write_env_t *env, const ir_switch_table *table)
848 size_t n_entries = ir_switch_table_get_n_entries(table);
851 write_size_t(env, n_entries);
852 for (i = 0; i < n_entries; ++i) {
853 long pn = ir_switch_table_get_pn(table, i);
854 ir_tarval *min = ir_switch_table_get_min(table, i);
855 ir_tarval *max = ir_switch_table_get_max(table, i);
857 write_tarval(env, min);
858 write_tarval(env, max);
862 static void write_pred_refs(write_env_t *env, const ir_node *node, int from)
864 int arity = get_irn_arity(node);
866 write_list_begin(env);
867 assert(from <= arity);
868 for (i = from; i < arity; ++i) {
869 ir_node *pred = get_irn_n(node, i);
870 write_node_ref(env, pred);
875 static void write_node_nr(write_env_t *env, const ir_node *node)
877 write_long(env, get_irn_node_nr(node));
880 static void write_ASM(write_env_t *env, const ir_node *node)
882 write_symbol(env, "ASM");
883 write_node_nr(env, node);
884 write_node_nr(env, get_nodes_block(node));
885 write_node_nr(env, get_ASM_mem(node));
887 write_ident(env, get_ASM_text(node));
888 write_list_begin(env);
889 ir_asm_constraint *input_constraints = get_ASM_input_constraints(node);
890 int n_inputs = get_ASM_n_inputs(node);
891 for (int i = 0; i < n_inputs; ++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 ir_asm_constraint *output_constraints = get_ASM_output_constraints(node);
901 size_t n_output_constraints = get_ASM_n_output_constraints(node);
902 for (size_t i = 0; i < n_output_constraints; ++i) {
903 const ir_asm_constraint *constraint = &output_constraints[i];
904 write_unsigned(env, constraint->pos);
905 write_ident(env, constraint->constraint);
906 write_mode_ref(env, constraint->mode);
910 write_list_begin(env);
911 ident **clobbers = get_ASM_clobbers(node);
912 size_t n_clobbers = get_ASM_n_clobbers(node);
913 for (size_t i = 0; i < n_clobbers; ++i) {
914 ident *clobber = clobbers[i];
915 write_ident(env, clobber);
919 write_pin_state(env, get_irn_pinned(node));
920 write_pred_refs(env, node, n_ASM_max+1);
923 static void write_Phi(write_env_t *env, const ir_node *node)
925 write_symbol(env, "Phi");
926 write_node_nr(env, node);
927 write_node_ref(env, get_nodes_block(node));
928 write_mode_ref(env, get_irn_mode(node));
929 write_pred_refs(env, node, 0);
932 static void write_Block(write_env_t *env, const ir_node *node)
934 ir_entity *entity = get_Block_entity(node);
936 if (entity != NULL) {
937 write_symbol(env, "BlockL");
938 write_node_nr(env, node);
939 write_entity_ref(env, entity);
941 write_symbol(env, "Block");
942 write_node_nr(env, node);
944 write_pred_refs(env, node, 0);
947 static void write_Anchor(write_env_t *env, const ir_node *node)
949 write_symbol(env, "Anchor");
950 write_node_nr(env, node);
951 write_pred_refs(env, node, 0);
954 static void write_SymConst(write_env_t *env, const ir_node *node)
956 /* TODO: only symconst_addr_ent implemented yet */
957 if (get_SymConst_kind(node) != symconst_addr_ent)
958 panic("Can't export %+F (only symconst_addr_ent supported)", node);
960 write_symbol(env, "SymConst");
961 write_node_nr(env, node);
962 write_mode_ref(env, get_irn_mode(node));
963 write_entity_ref(env, get_SymConst_entity(node));
966 typedef void (*write_node_func)(write_env_t *env, const ir_node *node);
968 static void register_node_writer(ir_op *op, write_node_func func)
970 set_generic_function_ptr(op, (op_func)func);
973 static void writers_init(void)
975 ir_clear_opcodes_generic_func();
976 register_node_writer(op_Anchor, write_Anchor);
977 register_node_writer(op_ASM, write_ASM);
978 register_node_writer(op_Block, write_Block);
979 register_node_writer(op_Phi, write_Phi);
980 register_node_writer(op_SymConst, write_SymConst);
981 register_generated_node_writers();
984 static void write_node(const ir_node *node, write_env_t *env)
986 ir_op *op = get_irn_op(node);
987 write_node_func func = (write_node_func) get_generic_function_ptr(op);
989 fputc('\t', env->file);
991 panic("No write_node_func for %+F", node);
993 fputc('\n', env->file);
996 static void write_node_recursive(ir_node *node, write_env_t *env);
998 static void write_preds(ir_node *node, write_env_t *env)
1000 int arity = get_irn_arity(node);
1002 for (i = 0; i < arity; ++i) {
1003 ir_node *pred = get_irn_n(node, i);
1004 write_node_recursive(pred, env);
1009 * Recursively write nodes.
1010 * The reader expects nodes in a way that except for block/phi/anchor nodes
1011 * all predecessors are already defined when we reach them. So usually we
1012 * recurse to all our predecessors except for block/phi/anchor nodes where
1013 * we put the predecessors into a queue for later processing.
1015 static void write_node_recursive(ir_node *node, write_env_t *env)
1017 if (irn_visited_else_mark(node))
1020 if (!is_Block(node)) {
1021 write_node_recursive(get_nodes_block(node), env);
1023 /* write predecessors */
1024 if (!is_Phi(node) && !is_Block(node) && !is_Anchor(node)) {
1025 write_preds(node, env);
1027 int arity = get_irn_arity(node);
1029 for (i = 0; i < arity; ++i) {
1030 ir_node *pred = get_irn_n(node, i);
1031 pdeq_putr(env->write_queue, pred);
1034 write_node(node, env);
1037 static void write_mode(write_env_t *env, ir_mode *mode)
1039 if (mode_is_int(mode)) {
1040 write_symbol(env, "int_mode");
1041 write_string(env, get_mode_name(mode));
1042 write_mode_arithmetic(env, get_mode_arithmetic(mode));
1043 write_unsigned(env, get_mode_size_bits(mode));
1044 write_int(env, get_mode_sign(mode));
1045 write_unsigned(env, get_mode_modulo_shift(mode));
1046 } else if (mode_is_reference(mode)) {
1047 write_symbol(env, "reference_mode");
1048 write_string(env, get_mode_name(mode));
1049 write_mode_arithmetic(env, get_mode_arithmetic(mode));
1050 write_unsigned(env, get_mode_size_bits(mode));
1051 write_unsigned(env, get_mode_modulo_shift(mode));
1053 write_mode_ref(env, get_reference_mode_signed_eq(mode));
1054 write_mode_ref(env, get_reference_mode_unsigned_eq(mode));
1055 write_int(env, (mode == mode_P ? 1 : 0));
1056 } else if (mode_is_float(mode)) {
1057 write_symbol(env, "float_mode");
1058 write_string(env, get_mode_name(mode));
1059 write_mode_arithmetic(env, get_mode_arithmetic(mode));
1060 write_unsigned(env, get_mode_exponent_size(mode));
1061 write_unsigned(env, get_mode_mantissa_size(mode));
1063 panic("Can't write internal modes");
1067 static void write_modes(write_env_t *env)
1069 size_t n_modes = ir_get_n_modes();
1072 write_symbol(env, "modes");
1073 fputs("{\n", env->file);
1075 for (i = 0; i < n_modes; i++) {
1076 ir_mode *mode = ir_get_mode(i);
1077 if (!mode_is_int(mode) && !mode_is_reference(mode)
1078 && !mode_is_float(mode)) {
1079 /* skip internal modes */
1082 fputc('\t', env->file);
1083 write_mode(env, mode);
1084 fputc('\n', env->file);
1087 fputs("}\n\n", env->file);
1090 static void write_program(write_env_t *env)
1093 size_t n_asms = get_irp_n_asms();
1096 write_symbol(env, "program");
1097 write_scope_begin(env);
1098 if (irp_prog_name_is_set()) {
1099 fputc('\t', env->file);
1100 write_symbol(env, "name");
1101 write_string(env, get_irp_name());
1102 fputc('\n', env->file);
1105 for (s = IR_SEGMENT_FIRST; s <= IR_SEGMENT_LAST; ++s) {
1106 ir_type *segment_type = get_segment_type(s);
1107 fputc('\t', env->file);
1108 write_symbol(env, "segment_type");
1109 write_symbol(env, get_segment_name(s));
1110 if (segment_type == NULL) {
1111 write_symbol(env, "NULL");
1113 write_type_ref(env, segment_type);
1115 fputc('\n', env->file);
1118 for (i = 0; i < n_asms; ++i) {
1119 ident *asm_text = get_irp_asm(i);
1120 fputc('\t', env->file);
1121 write_symbol(env, "asm");
1122 write_ident(env, asm_text);
1123 fputc('\n', env->file);
1125 write_scope_end(env);
1128 int ir_export(const char *filename)
1130 FILE *file = fopen(filename, "wt");
1137 ir_export_file(file);
1143 static void write_node_cb(ir_node *node, void *ctx)
1145 write_env_t *env = (write_env_t*)ctx;
1146 write_node(node, env);
1149 static void write_typegraph(write_env_t *env)
1151 size_t n_types = get_irp_n_types();
1154 write_symbol(env, "typegraph");
1155 write_scope_begin(env);
1156 irp_reserve_resources(irp, IRP_RESOURCE_TYPE_VISITED);
1157 inc_master_type_visited();
1158 for (i = 0; i < n_types; ++i) {
1159 ir_type *type = get_irp_type(i);
1160 write_type(env, type);
1162 irp_free_resources(irp, IRP_RESOURCE_TYPE_VISITED);
1163 write_scope_end(env);
1166 static void write_irg(write_env_t *env, ir_graph *irg)
1168 write_symbol(env, "irg");
1169 write_entity_ref(env, get_irg_entity(irg));
1170 write_type_ref(env, get_irg_frame_type(irg));
1171 write_inline_property(env, get_irg_inline_property(irg));
1172 write_unsigned(env, get_irg_additional_properties(irg));
1173 write_scope_begin(env);
1174 ir_reserve_resources(irg, IR_RESOURCE_IRN_VISITED);
1175 inc_irg_visited(irg);
1176 assert(pdeq_empty(env->write_queue));
1177 pdeq_putr(env->write_queue, irg->anchor);
1179 ir_node *node = (ir_node*) pdeq_getl(env->write_queue);
1180 write_node_recursive(node, env);
1181 } while (!pdeq_empty(env->write_queue));
1182 ir_free_resources(irg, IR_RESOURCE_IRN_VISITED);
1183 write_scope_end(env);
1186 /* Exports the whole irp to the given file in a textual form. */
1187 void ir_export_file(FILE *file)
1190 write_env_t *env = &my_env;
1191 size_t i, n_irgs = get_irp_n_irgs();
1193 memset(env, 0, sizeof(*env));
1195 env->write_queue = new_pdeq();
1200 write_typegraph(env);
1202 for (i = 0; i < n_irgs; i++) {
1203 ir_graph *irg = get_irp_irg(i);
1204 write_irg(env, irg);
1207 write_symbol(env, "constirg");
1208 write_node_ref(env, get_const_code_irg()->current_block);
1209 write_scope_begin(env);
1210 walk_const_code(NULL, write_node_cb, env);
1211 write_scope_end(env);
1215 del_pdeq(env->write_queue);
1220 static void read_c(read_env_t *env)
1222 int c = fgetc(env->file);
1228 /** Returns the first non-whitespace character or EOF. **/
1229 static void skip_ws(read_env_t *env)
1246 static void skip_to(read_env_t *env, char to_ch)
1248 while (env->c != to_ch && env->c != EOF) {
1253 static bool expect_char(read_env_t *env, char ch)
1257 parse_error(env, "Unexpected char '%c', expected '%c'\n",
1265 #define EXPECT(c) if (expect_char(env, (c))) {} else return
1267 static char *read_word(read_env_t *env)
1271 assert(obstack_object_size(&env->obst) == 0);
1283 obstack_1grow(&env->obst, c);
1290 obstack_1grow(&env->obst, '\0');
1291 return (char*)obstack_finish(&env->obst);
1294 static char *read_string(read_env_t *env)
1297 if (env->c != '"') {
1298 parse_error(env, "Expected string, got '%c'\n", env->c);
1303 assert(obstack_object_size(&env->obst) == 0);
1304 while (env->c != '"') {
1305 if (env->c == EOF) {
1306 parse_error(env, "Unexpected EOF while parsing string\n");
1310 if (env->c == '\\') {
1314 obstack_1grow(&env->obst, '\n');
1318 obstack_1grow(&env->obst, env->c);
1321 parse_error(env, "Unknown escape sequence '\\%c'\n", env->c);
1325 obstack_1grow(&env->obst, env->c);
1330 obstack_1grow(&env->obst, 0);
1332 return (char*)obstack_finish(&env->obst);
1335 static ident *read_ident(read_env_t *env)
1337 char *str = read_string(env);
1338 ident *res = new_id_from_str(str);
1339 obstack_free(&env->obst, str);
1343 static ident *read_symbol(read_env_t *env)
1345 char *str = read_word(env);
1346 ident *res = new_id_from_str(str);
1347 obstack_free(&env->obst, str);
1352 * reads a "quoted string" or alternatively the token NULL
1354 static char *read_string_null(read_env_t *env)
1357 if (env->c == 'N') {
1358 char *str = read_word(env);
1359 if (strcmp(str, "NULL") == 0) {
1360 obstack_free(&env->obst, str);
1363 } else if (env->c == '"') {
1364 return read_string(env);
1367 parse_error(env, "Expected \"string\" or NULL\n");
1371 static ident *read_ident_null(read_env_t *env)
1374 char *str = read_string_null(env);
1378 res = new_id_from_str(str);
1379 obstack_free(&env->obst, str);
1383 static long read_long(read_env_t *env)
1389 if (!isdigit(env->c) && env->c != '-') {
1390 parse_error(env, "Expected number, got '%c'\n", env->c);
1394 assert(obstack_object_size(&env->obst) == 0);
1396 obstack_1grow(&env->obst, env->c);
1398 } while (isdigit(env->c));
1399 obstack_1grow(&env->obst, 0);
1401 str = (char*)obstack_finish(&env->obst);
1403 obstack_free(&env->obst, str);
1408 static int read_int(read_env_t *env)
1410 return (int) read_long(env);
1413 static unsigned read_unsigned(read_env_t *env)
1415 return (unsigned) read_long(env);
1418 static size_t read_size_t(read_env_t *env)
1421 return (size_t) read_unsigned(env);
1424 static void expect_list_begin(read_env_t *env)
1427 if (env->c != '[') {
1428 parse_error(env, "Expected list, got '%c'\n", env->c);
1434 static bool list_has_next(read_env_t *env)
1436 if (feof(env->file)) {
1437 parse_error(env, "Unexpected EOF while reading list");
1441 if (env->c == ']') {
1449 static void *get_id(read_env_t *env, long id)
1451 id_entry key, *entry;
1454 entry = set_find(id_entry, env->idset, &key, sizeof(key), (unsigned) id);
1455 return entry ? entry->elem : NULL;
1458 static void set_id(read_env_t *env, long id, void *elem)
1463 (void)set_insert(id_entry, env->idset, &key, sizeof(key), (unsigned) id);
1466 static ir_node *get_node_or_null(read_env_t *env, long nodenr)
1468 ir_node *node = (ir_node *) get_id(env, nodenr);
1469 if (node && node->kind != k_ir_node) {
1470 parse_error(env, "Irn ID %ld collides with something else\n",
1477 static ir_type *get_type(read_env_t *env, long typenr)
1479 ir_type *type = (ir_type *) get_id(env, typenr);
1481 parse_error(env, "Type %ld not defined (yet?)\n", typenr);
1482 return get_unknown_type();
1484 if (type->kind != k_type) {
1485 parse_error(env, "Object %ld is not a type (but should be)\n", typenr);
1486 return get_unknown_type();
1491 static ir_type *read_type_ref(read_env_t *env)
1493 char *str = read_word(env);
1494 if (strcmp(str, "none") == 0) {
1495 obstack_free(&env->obst, str);
1496 return get_none_type();
1498 if (strcmp(str, "unknown") == 0) {
1499 obstack_free(&env->obst, str);
1500 return get_unknown_type();
1502 if (strcmp(str, "code") == 0) {
1503 obstack_free(&env->obst, str);
1504 return get_code_type();
1506 long nr = atol(str);
1507 obstack_free(&env->obst, str);
1509 return get_type(env, nr);
1512 static ir_entity *create_error_entity(void)
1514 ir_entity *res = new_entity(get_glob_type(), new_id_from_str("error"),
1515 get_unknown_type());
1519 static ir_entity *get_entity(read_env_t *env, long entnr)
1521 ir_entity *entity = (ir_entity *) get_id(env, entnr);
1522 if (entity == NULL) {
1523 parse_error(env, "unknown entity: %ld\n", entnr);
1524 return create_error_entity();
1526 if (entity->kind != k_entity) {
1527 parse_error(env, "Object %ld is not an entity (but should be)\n",
1529 return create_error_entity();
1535 static ir_entity *read_entity_ref(read_env_t *env)
1537 long nr = read_long(env);
1538 return get_entity(env, nr);
1541 static ir_mode *read_mode_ref(read_env_t *env)
1543 char *str = read_string(env);
1544 size_t n = ir_get_n_modes();
1547 for (i = 0; i < n; i++) {
1548 ir_mode *mode = ir_get_mode(i);
1549 if (strcmp(str, get_mode_name(mode)) == 0) {
1550 obstack_free(&env->obst, str);
1555 parse_error(env, "unknown mode \"%s\"\n", str);
1559 static const char *get_typetag_name(typetag_t typetag)
1562 case tt_align: return "align";
1563 case tt_builtin_kind: return "builtin kind";
1564 case tt_cond_jmp_predicate: return "cond_jmp_predicate";
1565 case tt_initializer: return "initializer kind";
1566 case tt_irg_inline_property: return "irg_inline_property";
1567 case tt_keyword: return "keyword";
1568 case tt_linkage: return "linkage";
1569 case tt_mode_arithmetic: return "mode_arithmetic";
1570 case tt_pin_state: return "pin state";
1571 case tt_segment: return "segment";
1572 case tt_throws: return "throws";
1573 case tt_tpo: return "type";
1574 case tt_type_state: return "type state";
1575 case tt_visibility: return "visibility";
1576 case tt_volatility: return "volatility";
1577 case tt_where_alloc: return "where alloc";
1583 * Read and decode an enum constant.
1585 static unsigned read_enum(read_env_t *env, typetag_t typetag)
1587 char *str = read_word(env);
1588 unsigned code = symbol(str, typetag);
1590 if (code != SYMERROR) {
1591 obstack_free(&env->obst, str);
1595 parse_error(env, "invalid %s: \"%s\"\n", get_typetag_name(typetag), str);
1599 static ir_align read_align(read_env_t *env)
1601 return (ir_align)read_enum(env, tt_align);
1604 static ir_builtin_kind read_builtin_kind(read_env_t *env)
1606 return (ir_builtin_kind)read_enum(env, tt_builtin_kind);
1609 static cond_jmp_predicate read_cond_jmp_predicate(read_env_t *env)
1611 return (cond_jmp_predicate)read_enum(env, tt_cond_jmp_predicate);
1614 static ir_initializer_kind_t read_initializer_kind(read_env_t *env)
1616 return (ir_initializer_kind_t)read_enum(env, tt_initializer);
1619 static ir_mode_arithmetic read_mode_arithmetic(read_env_t *env)
1621 return (ir_mode_arithmetic)read_enum(env, tt_mode_arithmetic);
1624 static op_pin_state read_pin_state(read_env_t *env)
1626 return (op_pin_state)read_enum(env, tt_pin_state);
1629 static ir_type_state read_type_state(read_env_t *env)
1631 return (ir_type_state)read_enum(env, tt_type_state);
1634 static ir_visibility read_visibility(read_env_t *env)
1636 return (ir_visibility)read_enum(env, tt_visibility);
1639 static ir_linkage read_linkage(read_env_t *env)
1641 return (ir_linkage)read_enum(env, tt_linkage);
1644 static ir_volatility read_volatility(read_env_t *env)
1646 return (ir_volatility)read_enum(env, tt_volatility);
1649 static ir_where_alloc read_where_alloc(read_env_t *env)
1651 return (ir_where_alloc)read_enum(env, tt_where_alloc);
1654 static bool read_throws(read_env_t *env)
1656 return (bool)read_enum(env, tt_throws);
1659 static keyword_t read_keyword(read_env_t *env)
1661 return (keyword_t)read_enum(env, tt_keyword);
1664 static irg_inline_property read_inline_property(read_env_t *env)
1666 return (irg_inline_property)read_enum(env, tt_irg_inline_property);
1669 static ir_relation read_relation(read_env_t *env)
1671 return (ir_relation)read_long(env);
1674 static ir_tarval *read_tarval(read_env_t *env)
1676 ir_mode *tvmode = read_mode_ref(env);
1677 char *str = read_word(env);
1679 if (strcmp(str, "bad") == 0)
1681 tv = new_tarval_from_str(str, strlen(str), tvmode);
1682 if (tv == tarval_bad)
1683 parse_error(env, "problem while parsing tarval '%s'\n", str);
1684 obstack_free(&env->obst, str);
1689 static ir_switch_table *read_switch_table(read_env_t *env)
1691 size_t n_entries = read_size_t(env);
1692 ir_switch_table *table = ir_new_switch_table(env->irg, n_entries);
1695 for (i = 0; i < n_entries; ++i) {
1696 long pn = read_long(env);
1697 ir_tarval *min = read_tarval(env);
1698 ir_tarval *max = read_tarval(env);
1699 ir_switch_table_set(table, i, min, max, pn);
1704 static ir_initializer_t *read_initializer(read_env_t *env)
1706 ir_initializer_kind_t ini_kind = read_initializer_kind(env);
1709 case IR_INITIALIZER_CONST: {
1710 long nr = read_long(env);
1711 ir_node *node = get_node_or_null(env, nr);
1712 ir_initializer_t *initializer = create_initializer_const(node);
1714 delayed_initializer_t di;
1715 di.initializer = initializer;
1717 ARR_APP1(delayed_initializer_t, env->delayed_initializers, di);
1722 case IR_INITIALIZER_TARVAL:
1723 return create_initializer_tarval(read_tarval(env));
1725 case IR_INITIALIZER_NULL:
1726 return get_initializer_null();
1728 case IR_INITIALIZER_COMPOUND: {
1729 size_t i, n = read_size_t(env);
1730 ir_initializer_t *ini = create_initializer_compound(n);
1731 for (i = 0; i < n; i++) {
1732 ir_initializer_t *curini = read_initializer(env);
1733 set_initializer_compound_value(ini, i, curini);
1739 panic("Unknown initializer kind");
1742 /** Reads a type description and remembers it by its id. */
1743 static void read_type(read_env_t *env)
1745 long typenr = read_long(env);
1746 tp_opcode tpop = (tp_opcode) read_enum(env, tt_tpo);
1747 unsigned size = (unsigned) read_long(env);
1748 unsigned align = (unsigned) read_long(env);
1749 ir_type_state state = read_type_state(env);
1750 unsigned flags = (unsigned) read_long(env);
1755 size_t n_dimensions = read_size_t(env);
1756 ir_type *elemtype = read_type_ref(env);
1758 ir_entity *element_entity;
1759 long element_entity_nr;
1761 type = new_type_array(n_dimensions, elemtype);
1762 for (i = 0; i < n_dimensions; i++) {
1763 char *str = read_word(env);
1764 if (strcmp(str, "unknown") != 0) {
1765 long lowerbound = atol(str);
1766 set_array_lower_bound_int(type, i, lowerbound);
1768 obstack_free(&env->obst, str);
1770 str = read_word(env);
1771 if (strcmp(str, "unknown") != 0) {
1772 long upperbound = atol(str);
1773 set_array_upper_bound_int(type, i, upperbound);
1775 obstack_free(&env->obst, str);
1778 element_entity_nr = read_long(env);
1779 element_entity = get_array_element_entity(type);
1780 set_id(env, element_entity_nr, element_entity);
1782 set_type_size_bytes(type, size);
1787 ident *id = read_ident_null(env);
1789 if (typenr == (long) IR_SEGMENT_GLOBAL)
1790 type = get_glob_type();
1792 type = new_type_class(id);
1793 set_type_size_bytes(type, size);
1798 unsigned callingconv = read_unsigned(env);
1799 mtp_additional_properties addprops
1800 = (mtp_additional_properties) read_long(env);
1801 size_t nparams = read_size_t(env);
1802 size_t nresults = read_size_t(env);
1804 ir_variadicity variadicity;
1806 type = new_type_method(nparams, nresults);
1808 for (i = 0; i < nparams; i++) {
1809 long ptypenr = read_long(env);
1810 ir_type *paramtype = get_type(env, ptypenr);
1812 set_method_param_type(type, i, paramtype);
1814 for (i = 0; i < nresults; i++) {
1815 long ptypenr = read_long(env);
1816 ir_type *restype = get_type(env, ptypenr);
1818 set_method_res_type(type, i, restype);
1821 variadicity = (ir_variadicity) read_long(env);
1822 set_method_variadicity(type, variadicity);
1824 set_method_calling_convention(type, callingconv);
1825 set_method_additional_properties(type, addprops);
1830 ir_mode *mode = read_mode_ref(env);
1831 ir_type *pointsto = get_type(env, read_long(env));
1832 type = new_type_pointer(pointsto);
1833 set_type_mode(type, mode);
1837 case tpo_primitive: {
1838 ir_mode *mode = read_mode_ref(env);
1839 ir_type *base_type = read_type_ref(env);
1840 type = new_type_primitive(mode);
1841 if (base_type != get_none_type()) {
1842 set_primitive_base_type(type, base_type);
1848 ident *id = read_ident_null(env);
1849 type = new_type_struct(id);
1850 set_type_size_bytes(type, size);
1855 ident *id = read_ident_null(env);
1856 type = new_type_union(id);
1857 set_type_size_bytes(type, size);
1864 case tpo_enumeration:
1865 case tpo_uninitialized:
1866 parse_error(env, "can't import this type kind (%d)", tpop);
1869 parse_error(env, "unknown type kind: \"%d\"\n", tpop);
1874 set_type_alignment_bytes(type, align);
1875 type->flags = flags;
1877 if (state == layout_fixed)
1878 ARR_APP1(ir_type *, env->fixedtypes, type);
1880 set_id(env, typenr, type);
1883 static void read_unknown_entity(read_env_t *env)
1885 long entnr = read_long(env);
1886 ir_entity *entity = get_unknown_entity();
1887 set_id(env, entnr, entity);
1890 /** Reads an entity description and remembers it by its id. */
1891 static void read_entity(read_env_t *env, ir_entity_kind kind)
1893 long entnr = read_long(env);
1895 ident *ld_name = NULL;
1896 ir_visibility visibility = ir_visibility_external;
1897 ir_linkage linkage = IR_LINKAGE_DEFAULT;
1898 ir_type *owner = NULL;
1899 ir_entity *entity = NULL;
1900 int compiler_generated;
1901 ir_volatility volatility;
1905 if (kind != IR_ENTITY_LABEL && kind != IR_ENTITY_PARAMETER) {
1906 name = read_ident(env);
1907 ld_name = read_ident_null(env);
1910 visibility = read_visibility(env);
1911 expect_list_begin(env);
1912 while (list_has_next(env)) {
1913 linkage |= read_linkage(env);
1916 type = read_type_ref(env);
1917 if (kind != IR_ENTITY_LABEL)
1918 owner = read_type_ref(env);
1920 compiler_generated = read_long(env) != 0;
1921 volatility = read_volatility(env);
1924 case IR_ENTITY_NORMAL:
1925 entity = new_entity(owner, name, type);
1926 if (ld_name != NULL)
1927 set_entity_ld_ident(entity, ld_name);
1928 str = read_word(env);
1929 if (strcmp(str, "initializer") == 0) {
1930 ir_initializer_t *initializer = read_initializer(env);
1931 if (initializer != NULL)
1932 set_entity_initializer(entity, initializer);
1933 } else if (strcmp(str, "none") == 0) {
1936 parse_error(env, "expected 'initializer' or 'none' got '%s'\n", str);
1939 case IR_ENTITY_COMPOUND_MEMBER:
1940 entity = new_entity(owner, name, type);
1941 if (ld_name != NULL)
1942 set_entity_ld_ident(entity, ld_name);
1943 set_entity_offset(entity, (int) read_long(env));
1944 set_entity_offset_bits_remainder(entity, (unsigned char) read_long(env));
1946 case IR_ENTITY_METHOD:
1947 entity = new_entity(owner, name, type);
1948 if (ld_name != NULL)
1949 set_entity_ld_ident(entity, ld_name);
1951 case IR_ENTITY_PARAMETER: {
1952 char *str = read_word(env);
1953 size_t parameter_number;
1954 if (strcmp(str, "va_start") == 0) {
1955 parameter_number = IR_VA_START_PARAMETER_NUMBER;
1957 parameter_number = atol(str);
1959 obstack_free(&env->obst, str);
1960 entity = new_parameter_entity(owner, parameter_number, type);
1963 case IR_ENTITY_LABEL: {
1964 ir_label_t nr = get_irp_next_label_nr();
1965 entity = new_label_entity(nr);
1968 case IR_ENTITY_UNKNOWN:
1969 panic("read_entity with IR_ENTITY_UNKNOWN?");
1972 set_entity_compiler_generated(entity, compiler_generated);
1973 set_entity_volatility(entity, volatility);
1974 set_entity_visibility(entity, visibility);
1975 set_entity_linkage(entity, linkage);
1977 if (owner != NULL && is_Array_type(owner)) {
1978 set_array_element_entity(owner, entity);
1981 set_id(env, entnr, entity);
1984 /** Parses the whole type graph. */
1985 static void read_typegraph(read_env_t *env)
1987 ir_graph *old_irg = env->irg;
1991 env->irg = get_const_code_irg();
1993 /* parse all types first */
1997 if (env->c == '}') {
2002 kwkind = read_keyword(env);
2009 read_entity(env, IR_ENTITY_NORMAL);
2012 read_entity(env, IR_ENTITY_LABEL);
2015 read_entity(env, IR_ENTITY_METHOD);
2017 case kw_compound_member:
2018 read_entity(env, IR_ENTITY_COMPOUND_MEMBER);
2021 read_entity(env, IR_ENTITY_PARAMETER);
2024 read_unknown_entity(env);
2027 parse_error(env, "type graph element not supported yet: %d\n", kwkind);
2036 * Read a node reference and return the node for it. This assumes that the node
2037 * was previously read. This is fine for all normal nodes.
2038 * (Note: that we "break" loops by having special code for phi, block or anchor
2039 * nodes in place, firm guarantees us that a loop in the graph always contains
2040 * a phi, block or anchor node)
2042 static ir_node *read_node_ref(read_env_t *env)
2044 long nr = read_long(env);
2045 ir_node *node = get_node_or_null(env, nr);
2047 parse_error(env, "node %ld not defined (yet?)\n", nr);
2048 return new_r_Bad(env->irg, mode_ANY);
2053 static int read_preds(read_env_t *env)
2055 expect_list_begin(env);
2056 assert(obstack_object_size(&env->preds_obst) == 0);
2057 while (list_has_next(env)) {
2058 ir_node *pred = read_node_ref(env);
2059 obstack_grow(&env->preds_obst, &pred, sizeof(pred));
2061 return obstack_object_size(&env->preds_obst) / sizeof(ir_node*);
2064 static void read_preds_delayed(read_env_t *env, ir_node *node)
2069 expect_list_begin(env);
2070 assert(obstack_object_size(&env->preds_obst) == 0);
2071 obstack_blank(&env->preds_obst, sizeof(delayed_pred_t));
2072 while (list_has_next(env)) {
2073 long pred_nr = read_long(env);
2074 obstack_grow(&env->preds_obst, &pred_nr, sizeof(pred_nr));
2077 d = (delayed_pred_t*) obstack_finish(&env->preds_obst);
2079 d->n_preds = n_preds;
2081 ARR_APP1(const delayed_pred_t*, env->delayed_preds, d);
2084 static ir_node *read_ASM(read_env_t *env)
2089 ir_asm_constraint *input_constraints = NEW_ARR_F(ir_asm_constraint, 0);
2090 ir_asm_constraint *output_constraints = NEW_ARR_F(ir_asm_constraint, 0);
2091 ident **clobbers = NEW_ARR_F(ident*, 0);
2092 ir_node *block = read_node_ref(env);
2093 ir_node *mem = read_node_ref(env);
2094 op_pin_state pin_state;
2096 ident *asm_text = read_ident(env);
2098 expect_list_begin(env);
2099 while (list_has_next(env)) {
2100 ir_asm_constraint constraint;
2101 constraint.pos = read_unsigned(env);
2102 constraint.constraint = read_ident(env);
2103 constraint.mode = read_mode_ref(env);
2104 ARR_APP1(ir_asm_constraint, input_constraints, constraint);
2107 expect_list_begin(env);
2108 while (list_has_next(env)) {
2109 ir_asm_constraint constraint;
2110 constraint.pos = read_unsigned(env);
2111 constraint.constraint = read_ident(env);
2112 constraint.mode = read_mode_ref(env);
2113 ARR_APP1(ir_asm_constraint, output_constraints, constraint);
2116 expect_list_begin(env);
2117 while (list_has_next(env)) {
2118 ident *clobber = read_ident(env);
2119 ARR_APP1(ident*, clobbers, clobber);
2122 pin_state = read_pin_state(env);
2124 n_in = read_preds(env);
2125 in = (ir_node**)obstack_finish(&env->preds_obst);
2127 if (ARR_LEN(input_constraints) != (size_t)n_in) {
2128 parse_error(env, "input_constraints != n_in in ir file");
2129 return new_r_Bad(env->irg, mode_T);
2132 newnode = new_r_ASM(block, mem, n_in, in,
2133 input_constraints, ARR_LEN(output_constraints),
2134 output_constraints, ARR_LEN(clobbers),
2135 clobbers, asm_text);
2136 set_irn_pinned(newnode, pin_state);
2137 obstack_free(&env->preds_obst, in);
2138 DEL_ARR_F(clobbers);
2139 DEL_ARR_F(output_constraints);
2140 DEL_ARR_F(input_constraints);
2144 static ir_node *read_Phi(read_env_t *env)
2146 ir_node *block = read_node_ref(env);
2147 ir_mode *mode = read_mode_ref(env);
2148 ir_node *res = new_r_Phi(block, 0, NULL, mode);
2149 read_preds_delayed(env, res);
2153 static ir_node *read_Block(read_env_t *env)
2155 ir_node *res = new_r_Block(env->irg, 0, NULL);
2156 read_preds_delayed(env, res);
2160 static ir_node *read_labeled_Block(read_env_t *env)
2162 ir_node *res = new_r_Block(env->irg, 0, NULL);
2163 ir_entity *entity = read_entity_ref(env);
2164 read_preds_delayed(env, res);
2165 set_Block_entity(res, entity);
2169 static ir_node *read_SymConst(read_env_t *env)
2171 ir_mode *mode = read_mode_ref(env);
2172 ir_entity *entity = read_entity_ref(env);
2174 symconst_symbol sym;
2176 sym.entity_p = entity;
2177 res = new_r_SymConst(env->irg, mode, sym, symconst_addr_ent);
2181 static ir_node *read_Anchor(read_env_t *env)
2183 ir_node *res = new_r_Anchor(env->irg);
2184 read_preds_delayed(env, res);
2188 typedef ir_node* read_node_func(read_env_t *env);
2189 static pmap *node_readers;
2191 static void register_node_reader(ident *ident, read_node_func* func)
2193 pmap_insert(node_readers, ident, (void*)func);
2196 static ir_node *read_node(read_env_t *env)
2198 ident *id = read_symbol(env);
2199 read_node_func *func = pmap_get(read_node_func, node_readers, id);
2200 long nr = read_long(env);
2203 parse_error(env, "Unknown nodetype '%s'", get_id_str(id));
2205 res = new_r_Bad(env->irg, mode_ANY);
2209 set_id(env, nr, res);
2213 static void readers_init(void)
2215 assert(node_readers == NULL);
2216 node_readers = pmap_create();
2217 register_node_reader(new_id_from_str("Anchor"), read_Anchor);
2218 register_node_reader(new_id_from_str("ASM"), read_ASM);
2219 register_node_reader(new_id_from_str("Block"), read_Block);
2220 register_node_reader(new_id_from_str("BlockL"), read_labeled_Block);
2221 register_node_reader(new_id_from_str("Phi"), read_Phi);
2222 register_node_reader(new_id_from_str("SymConst"), read_SymConst);
2223 register_generated_node_readers();
2226 static void read_graph(read_env_t *env, ir_graph *irg)
2228 size_t n_delayed_preds;
2232 env->delayed_preds = NEW_ARR_F(const delayed_pred_t*, 0);
2237 if (env->c == '}' || env->c == EOF) {
2245 /* resolve delayed preds */
2246 n_delayed_preds = ARR_LEN(env->delayed_preds);
2247 for (i = 0; i < n_delayed_preds; ++i) {
2248 const delayed_pred_t *dp = env->delayed_preds[i];
2249 ir_node **ins = ALLOCAN(ir_node*, dp->n_preds);
2251 for (i = 0; i < dp->n_preds; ++i) {
2252 long pred_nr = dp->preds[i];
2253 ir_node *pred = get_node_or_null(env, pred_nr);
2255 parse_error(env, "predecessor %ld of a node not defined\n",
2257 goto next_delayed_pred;
2261 set_irn_in(dp->node, dp->n_preds, ins);
2262 if (is_Anchor(dp->node)) {
2264 for (a = anchor_first; a <= anchor_last; ++a) {
2265 ir_node *old_anchor = get_irg_anchor(irg, a);
2266 ir_node *new_anchor = ins[a];
2267 exchange(old_anchor, new_anchor);
2270 next_delayed_pred: ;
2272 DEL_ARR_F(env->delayed_preds);
2273 env->delayed_preds = NULL;
2276 static ir_graph *read_irg(read_env_t *env)
2278 ir_entity *irgent = get_entity(env, read_long(env));
2279 ir_graph *irg = new_ir_graph(irgent, 0);
2280 ir_type *frame = read_type_ref(env);
2281 irg_inline_property prop = read_inline_property(env);
2282 unsigned props = read_unsigned(env);
2283 set_irg_frame_type(irg, frame);
2284 set_irg_inline_property(irg, prop);
2285 set_irg_additional_properties(irg, (mtp_additional_properties)props);
2286 read_graph(env, irg);
2287 irg_finalize_cons(irg);
2291 static void read_modes(read_env_t *env)
2299 if (env->c == '}' || env->c == EOF) {
2304 kwkind = read_keyword(env);
2307 const char *name = read_string(env);
2308 ir_mode_arithmetic arith = read_mode_arithmetic(env);
2309 int size = read_long(env);
2310 int sign = read_long(env);
2311 unsigned modulo_shift = read_long(env);
2312 new_int_mode(name, arith, size, sign, modulo_shift);
2315 case kw_reference_mode: {
2316 const char *name = read_string(env);
2317 ir_mode_arithmetic arith = read_mode_arithmetic(env);
2318 int size = read_long(env);
2319 unsigned modulo_shift = read_long(env);
2320 ir_mode *mode = new_reference_mode(name, arith, size, modulo_shift);
2321 set_reference_mode_signed_eq(mode, read_mode_ref(env));
2322 set_reference_mode_unsigned_eq(mode, read_mode_ref(env));
2323 int is_mode_P = read_int(env);
2325 set_modeP_data(mode);
2326 set_modeP_code(mode);
2330 case kw_float_mode: {
2331 const char *name = read_string(env);
2332 ir_mode_arithmetic arith = read_mode_arithmetic(env);
2333 int exponent_size = read_long(env);
2334 int mantissa_size = read_long(env);
2335 new_float_mode(name, arith, exponent_size, mantissa_size);
2346 static void read_program(read_env_t *env)
2354 if (env->c == '}') {
2359 kwkind = read_keyword(env);
2361 case kw_segment_type: {
2362 ir_segment_t segment = (ir_segment_t) read_enum(env, tt_segment);
2363 ir_type *type = read_type_ref(env);
2364 set_segment_type(segment, type);
2368 ident *text = read_ident(env);
2373 parse_error(env, "unexpected keyword %d\n", kwkind);
2379 int ir_import(const char *filename)
2381 FILE *file = fopen(filename, "rt");
2388 res = ir_import_file(file, filename);
2394 int ir_import_file(FILE *input, const char *inputname)
2397 int oldoptimize = get_optimize();
2398 read_env_t *env = &myenv;
2401 size_t n_delayed_initializers;
2406 memset(env, 0, sizeof(*env));
2407 obstack_init(&env->obst);
2408 obstack_init(&env->preds_obst);
2409 env->idset = new_set(id_cmp, 128);
2410 env->fixedtypes = NEW_ARR_F(ir_type *, 0);
2411 env->inputname = inputname;
2414 env->delayed_initializers = NEW_ARR_F(delayed_initializer_t, 0);
2416 /* read first character */
2428 kw = read_keyword(env);
2435 read_typegraph(env);
2443 ir_graph *constirg = get_const_code_irg();
2444 long bodyblockid = read_long(env);
2445 set_id(env, bodyblockid, constirg->current_block);
2446 read_graph(env, constirg);
2455 parse_error(env, "Unexpected keyword %d at toplevel\n", kw);
2461 n = ARR_LEN(env->fixedtypes);
2462 for (i = 0; i < n; i++)
2463 set_type_state(env->fixedtypes[i], layout_fixed);
2465 DEL_ARR_F(env->fixedtypes);
2467 /* resolve delayed initializers */
2468 n_delayed_initializers = ARR_LEN(env->delayed_initializers);
2469 for (i = 0; i < n_delayed_initializers; ++i) {
2470 const delayed_initializer_t *di = &env->delayed_initializers[i];
2471 ir_node *node = get_node_or_null(env, di->node_nr);
2473 parse_error(env, "node %ld mentioned in an initializer was never defined\n",
2477 assert(di->initializer->kind == IR_INITIALIZER_CONST);
2478 di->initializer->consti.value = node;
2480 DEL_ARR_F(env->delayed_initializers);
2481 env->delayed_initializers = NULL;
2483 del_set(env->idset);
2485 irp_finalize_cons();
2487 set_optimize(oldoptimize);
2489 obstack_free(&env->preds_obst, NULL);
2490 obstack_free(&env->obst, NULL);
2492 pmap_destroy(node_readers);
2493 node_readers = NULL;
2495 return env->read_errors;
2498 #include "gen_irio.inl"