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,
107 typedef enum keyword_t {
127 typedef struct symbol_t {
128 const char *str; /**< The name of this symbol. */
129 typetag_t typetag; /**< The type tag of this symbol. */
130 unsigned code; /**< The value of this symbol. */
133 typedef struct id_entry {
138 /** The symbol table, a set of symbol_t elements. */
142 * Compare two symbol table entries.
144 static int symbol_cmp(const void *elt, const void *key, size_t size)
147 const symbol_t *entry = (const symbol_t *) elt;
148 const symbol_t *keyentry = (const symbol_t *) key;
150 res = entry->typetag - keyentry->typetag;
152 return strcmp(entry->str, keyentry->str);
155 static int id_cmp(const void *elt, const void *key, size_t size)
157 const id_entry *entry = (const id_entry *) elt;
158 const id_entry *keyentry = (const id_entry *) key;
160 return entry->id - keyentry->id;
163 static void __attribute__((format(printf, 2, 3)))
164 parse_error(read_env_t *env, const char *fmt, ...)
167 unsigned line = env->line;
169 /* workaround read_c "feature" that a '\n' triggers the line++
170 * instead of the character after the '\n' */
171 if (env->c == '\n') {
175 fprintf(stderr, "%s:%u: error ", env->inputname, line);
176 env->read_errors = true;
178 /* let's hope firm doesn't die on further errors */
179 do_node_verification(FIRM_VERIFICATION_OFF);
182 vfprintf(stderr, fmt, ap);
186 /** Initializes the symbol table. May be called more than once without problems. */
187 static void symtbl_init(void)
191 /* Only initialize once */
195 symtbl = new_set(symbol_cmp, 256);
197 #define INSERT(tt, s, cod) \
199 key.typetag = (tt); \
201 (void)set_insert(symbol_t, symtbl, &key, sizeof(key), hash_str(s) + tt * 17)
203 #define INSERTENUM(tt, e) INSERT(tt, #e, e)
204 #define INSERTKEYWORD(k) INSERT(tt_keyword, #k, kw_##k)
206 INSERT(tt_tpo, "array", tpo_array);
207 INSERT(tt_tpo, "class", tpo_class);
208 INSERT(tt_tpo, "method", tpo_method);
209 INSERT(tt_tpo, "pointer", tpo_pointer);
210 INSERT(tt_tpo, "primitive", tpo_primitive);
211 INSERT(tt_tpo, "struct", tpo_struct);
212 INSERT(tt_tpo, "union", tpo_union);
213 INSERT(tt_tpo, "Unknown", tpo_unknown);
215 INSERT(tt_segment, "global", IR_SEGMENT_GLOBAL);
216 INSERT(tt_segment, "thread_local", IR_SEGMENT_THREAD_LOCAL);
217 INSERT(tt_segment, "constructors", IR_SEGMENT_CONSTRUCTORS);
218 INSERT(tt_segment, "destructors", IR_SEGMENT_DESTRUCTORS);
220 INSERT(tt_linkage, "constant", IR_LINKAGE_CONSTANT);
221 INSERT(tt_linkage, "weak", IR_LINKAGE_WEAK);
222 INSERT(tt_linkage, "garbage_collect", IR_LINKAGE_GARBAGE_COLLECT);
223 INSERT(tt_linkage, "merge", IR_LINKAGE_MERGE);
224 INSERT(tt_linkage, "hidden_user", IR_LINKAGE_HIDDEN_USER);
226 INSERT(tt_visibility, "local", ir_visibility_local);
227 INSERT(tt_visibility, "external", ir_visibility_external);
228 INSERT(tt_visibility, "private", ir_visibility_private);
230 INSERT(tt_throws, "throw", true);
231 INSERT(tt_throws, "nothrow", false);
234 INSERTKEYWORD(compound_member);
235 INSERTKEYWORD(constirg);
236 INSERTKEYWORD(entity);
237 INSERTKEYWORD(float_mode);
238 INSERTKEYWORD(int_mode);
240 INSERTKEYWORD(label);
241 INSERTKEYWORD(method);
242 INSERTKEYWORD(modes);
243 INSERTKEYWORD(parameter);
244 INSERTKEYWORD(program);
245 INSERTKEYWORD(reference_mode);
246 INSERTKEYWORD(segment_type);
248 INSERTKEYWORD(typegraph);
249 INSERTKEYWORD(unknown);
251 INSERTENUM(tt_align, align_non_aligned);
252 INSERTENUM(tt_align, align_is_aligned);
254 INSERTENUM(tt_builtin_kind, ir_bk_trap);
255 INSERTENUM(tt_builtin_kind, ir_bk_debugbreak);
256 INSERTENUM(tt_builtin_kind, ir_bk_return_address);
257 INSERTENUM(tt_builtin_kind, ir_bk_frame_address);
258 INSERTENUM(tt_builtin_kind, ir_bk_prefetch);
259 INSERTENUM(tt_builtin_kind, ir_bk_ffs);
260 INSERTENUM(tt_builtin_kind, ir_bk_clz);
261 INSERTENUM(tt_builtin_kind, ir_bk_ctz);
262 INSERTENUM(tt_builtin_kind, ir_bk_popcount);
263 INSERTENUM(tt_builtin_kind, ir_bk_parity);
264 INSERTENUM(tt_builtin_kind, ir_bk_bswap);
265 INSERTENUM(tt_builtin_kind, ir_bk_inport);
266 INSERTENUM(tt_builtin_kind, ir_bk_outport);
267 INSERTENUM(tt_builtin_kind, ir_bk_inner_trampoline);
269 INSERTENUM(tt_cond_jmp_predicate, COND_JMP_PRED_NONE);
270 INSERTENUM(tt_cond_jmp_predicate, COND_JMP_PRED_TRUE);
271 INSERTENUM(tt_cond_jmp_predicate, COND_JMP_PRED_FALSE);
273 INSERTENUM(tt_initializer, IR_INITIALIZER_CONST);
274 INSERTENUM(tt_initializer, IR_INITIALIZER_TARVAL);
275 INSERTENUM(tt_initializer, IR_INITIALIZER_NULL);
276 INSERTENUM(tt_initializer, IR_INITIALIZER_COMPOUND);
278 INSERT(tt_mode_arithmetic, "none", irma_none);
279 INSERT(tt_mode_arithmetic, "twos_complement", irma_twos_complement);
280 INSERT(tt_mode_arithmetic, "ieee754", irma_ieee754);
281 INSERT(tt_mode_arithmetic, "x86_extended_float", irma_x86_extended_float);
283 INSERTENUM(tt_pin_state, op_pin_state_floats);
284 INSERTENUM(tt_pin_state, op_pin_state_pinned);
285 INSERTENUM(tt_pin_state, op_pin_state_exc_pinned);
286 INSERTENUM(tt_pin_state, op_pin_state_mem_pinned);
288 INSERTENUM(tt_type_state, layout_undefined);
289 INSERTENUM(tt_type_state, layout_fixed);
291 INSERTENUM(tt_volatility, volatility_non_volatile);
292 INSERTENUM(tt_volatility, volatility_is_volatile);
294 INSERTENUM(tt_where_alloc, stack_alloc);
295 INSERTENUM(tt_where_alloc, heap_alloc);
302 static const char *get_segment_name(ir_segment_t segment)
305 case IR_SEGMENT_GLOBAL: return "global";
306 case IR_SEGMENT_THREAD_LOCAL: return "thread_local";
307 case IR_SEGMENT_CONSTRUCTORS: return "constructors";
308 case IR_SEGMENT_DESTRUCTORS: return "destructors";
310 panic("INVALID_SEGMENT");
313 static const char *get_visibility_name(ir_visibility visibility)
315 switch (visibility) {
316 case ir_visibility_local: return "local";
317 case ir_visibility_external: return "external";
318 case ir_visibility_private: return "private";
320 panic("INVALID_VISIBILITY");
323 static const char *get_mode_arithmetic_name(ir_mode_arithmetic arithmetic)
325 switch (arithmetic) {
326 case irma_none: return "none";
327 case irma_twos_complement: return "twos_complement";
328 case irma_ieee754: return "ieee754";
329 case irma_x86_extended_float: return "x86_extended_float";
331 panic("invalid mode_arithmetic");
334 /** Returns the according symbol value for the given string and tag, or SYMERROR if none was found. */
335 static unsigned symbol(const char *str, typetag_t typetag)
337 symbol_t key, *entry;
340 key.typetag = typetag;
342 entry = set_find(symbol_t, symtbl, &key, sizeof(key), hash_str(str) + typetag * 17);
343 return entry ? entry->code : SYMERROR;
346 static void write_long(write_env_t *env, long value)
348 fprintf(env->file, "%ld ", value);
351 static void write_int(write_env_t *env, int value)
353 fprintf(env->file, "%d ", value);
356 static void write_unsigned(write_env_t *env, unsigned value)
358 fprintf(env->file, "%u ", value);
361 static void write_size_t(write_env_t *env, size_t value)
363 ir_fprintf(env->file, "%zu ", value);
366 static void write_symbol(write_env_t *env, const char *symbol)
368 fputs(symbol, env->file);
369 fputc(' ', env->file);
372 static void write_entity_ref(write_env_t *env, ir_entity *entity)
374 write_long(env, get_entity_nr(entity));
377 static void write_type_ref(write_env_t *env, ir_type *type)
379 switch (get_type_tpop_code(type)) {
381 write_symbol(env, "unknown");
384 write_symbol(env, "none");
387 write_symbol(env, "code");
392 write_long(env, get_type_nr(type));
395 static void write_string(write_env_t *env, const char *string)
398 fputc('"', env->file);
399 for (c = string; *c != '\0'; ++c) {
402 fputc('\\', env->file);
403 fputc('n', env->file);
407 fputc('\\', env->file);
410 fputc(*c, env->file);
414 fputc('"', env->file);
415 fputc(' ', env->file);
418 static void write_ident(write_env_t *env, ident *id)
420 write_string(env, get_id_str(id));
423 static void write_ident_null(write_env_t *env, ident *id)
426 fputs("NULL ", env->file);
428 write_ident(env, id);
432 static void write_mode_ref(write_env_t *env, ir_mode *mode)
434 write_string(env, get_mode_name(mode));
437 static void write_tarval(write_env_t *env, ir_tarval *tv)
439 write_mode_ref(env, get_tarval_mode(tv));
440 if (tv == tarval_bad) {
441 write_symbol(env, "bad");
444 tarval_snprintf(buf, sizeof(buf), tv);
445 fputs(buf, env->file);
446 fputc(' ', env->file);
450 static void write_align(write_env_t *env, ir_align align)
452 fputs(get_align_name(align), env->file);
453 fputc(' ', env->file);
456 static void write_builtin_kind(write_env_t *env, const ir_node *node)
458 fputs(get_builtin_kind_name(get_Builtin_kind(node)), env->file);
459 fputc(' ', env->file);
462 static void write_cond_jmp_predicate(write_env_t *env, const ir_node *node)
464 fputs(get_cond_jmp_predicate_name(get_Cond_jmp_pred(node)), env->file);
465 fputc(' ', env->file);
468 static void write_relation(write_env_t *env, ir_relation relation)
470 write_long(env, (long)relation);
473 static void write_where_alloc(write_env_t *env, ir_where_alloc where_alloc)
475 switch (where_alloc) {
476 case stack_alloc: write_symbol(env, "stack_alloc"); return;
477 case heap_alloc: write_symbol(env, "heap_alloc"); return;
479 panic("invalid where_alloc value");
482 static void write_throws(write_env_t *env, bool throws)
484 write_symbol(env, throws ? "throw" : "nothrow");
487 static void write_list_begin(write_env_t *env)
489 fputs("[", env->file);
492 static void write_list_end(write_env_t *env)
494 fputs("] ", env->file);
497 static void write_scope_begin(write_env_t *env)
499 fputs("{\n", env->file);
502 static void write_scope_end(write_env_t *env)
504 fputs("}\n\n", env->file);
507 static void write_node_ref(write_env_t *env, const ir_node *node)
509 write_long(env, get_irn_node_nr(node));
512 static void write_initializer(write_env_t *env, ir_initializer_t *ini)
515 ir_initializer_kind_t ini_kind = get_initializer_kind(ini);
517 fputs(get_initializer_kind_name(ini_kind), f);
521 case IR_INITIALIZER_CONST:
522 write_node_ref(env, get_initializer_const_value(ini));
525 case IR_INITIALIZER_TARVAL:
526 write_tarval(env, get_initializer_tarval_value(ini));
529 case IR_INITIALIZER_NULL:
532 case IR_INITIALIZER_COMPOUND: {
533 size_t i, n = get_initializer_compound_n_entries(ini);
534 write_size_t(env, n);
535 for (i = 0; i < n; ++i)
536 write_initializer(env, get_initializer_compound_value(ini, i));
540 panic("Unknown initializer kind");
543 static void write_pin_state(write_env_t *env, op_pin_state state)
545 fputs(get_op_pin_state_name(state), env->file);
546 fputc(' ', env->file);
549 static void write_volatility(write_env_t *env, ir_volatility vol)
551 fputs(get_volatility_name(vol), env->file);
552 fputc(' ', env->file);
555 static void write_type_state(write_env_t *env, ir_type_state state)
557 fputs(get_type_state_name(state), env->file);
558 fputc(' ', env->file);
561 static void write_visibility(write_env_t *env, ir_visibility visibility)
563 fputs(get_visibility_name(visibility), env->file);
564 fputc(' ', env->file);
567 static void write_mode_arithmetic(write_env_t *env, ir_mode_arithmetic arithmetic)
569 fputs(get_mode_arithmetic_name(arithmetic), env->file);
570 fputc(' ', env->file);
573 static void write_type(write_env_t *env, ir_type *tp);
574 static void write_entity(write_env_t *env, ir_entity *entity);
576 static void write_type_common(write_env_t *env, ir_type *tp)
578 fputc('\t', env->file);
579 write_symbol(env, "type");
580 write_long(env, get_type_nr(tp));
581 write_symbol(env, get_type_tpop_name(tp));
582 write_unsigned(env, get_type_size_bytes(tp));
583 write_unsigned(env, get_type_alignment_bytes(tp));
584 write_type_state(env, get_type_state(tp));
585 write_unsigned(env, tp->flags);
588 static void write_type_primitive(write_env_t *env, ir_type *tp)
590 ir_type *base_type = get_primitive_base_type(tp);
592 if (base_type != NULL)
593 write_type(env, base_type);
595 write_type_common(env, tp);
596 write_mode_ref(env, get_type_mode(tp));
597 if (base_type == NULL)
598 base_type = get_none_type();
599 write_type_ref(env, base_type);
600 fputc('\n', env->file);
603 static void write_type_compound(write_env_t *env, ir_type *tp)
605 size_t n_members = get_compound_n_members(tp);
608 if (is_Class_type(tp)) {
609 if (get_class_n_subtypes(tp) > 0 || get_class_n_supertypes(tp) > 0
610 || get_class_type_info(tp) != NULL || get_class_vtable_size(tp) > 0) {
611 /* sub/superclass export not implemented yet, it's unclear wether
612 * class types will stay in libfirm anyway */
613 panic("can't export class types yet");
616 write_type_common(env, tp);
617 write_ident_null(env, get_compound_ident(tp));
618 fputc('\n', env->file);
620 for (i = 0; i < n_members; ++i) {
621 ir_entity *member = get_compound_member(tp, i);
622 write_entity(env, member);
626 static void write_type_array(write_env_t *env, ir_type *tp)
628 size_t n_dimensions = get_array_n_dimensions(tp);
629 ir_type *element_type = get_array_element_type(tp);
630 ir_entity *element_entity = get_array_element_entity(tp);
633 write_type(env, element_type);
635 write_type_common(env, tp);
636 write_size_t(env, n_dimensions);
637 write_type_ref(env, get_array_element_type(tp));
638 for (i = 0; i < n_dimensions; i++) {
639 ir_node *lower = get_array_lower_bound(tp, i);
640 ir_node *upper = get_array_upper_bound(tp, i);
643 write_long(env, get_tarval_long(get_Const_tarval(lower)));
645 panic("Lower array bound is not constant");
648 write_long(env, get_tarval_long(get_Const_tarval(upper)));
649 else if (is_Unknown(upper))
650 write_symbol(env, "unknown");
652 panic("Upper array bound is not constant");
654 /* note that we just write a reference to the element entity
655 * but never the entity itself */
656 write_entity_ref(env, element_entity);
657 fputc('\n', env->file);
660 static void write_type_method(write_env_t *env, ir_type *tp)
662 size_t nparams = get_method_n_params(tp);
663 size_t nresults = get_method_n_ress(tp);
666 for (i = 0; i < nparams; i++)
667 write_type(env, get_method_param_type(tp, i));
668 for (i = 0; i < nresults; i++)
669 write_type(env, get_method_res_type(tp, i));
671 write_type_common(env, tp);
672 write_unsigned(env, get_method_calling_convention(tp));
673 write_unsigned(env, get_method_additional_properties(tp));
674 write_size_t(env, nparams);
675 write_size_t(env, nresults);
676 for (i = 0; i < nparams; i++)
677 write_type_ref(env, get_method_param_type(tp, i));
678 for (i = 0; i < nresults; i++)
679 write_type_ref(env, get_method_res_type(tp, i));
680 write_unsigned(env, get_method_variadicity(tp));
681 fputc('\n', env->file);
684 static void write_type_pointer(write_env_t *env, ir_type *tp)
686 ir_type *points_to = get_pointer_points_to_type(tp);
688 write_type(env, points_to);
690 write_type_common(env, tp);
691 write_mode_ref(env, get_type_mode(tp));
692 write_type_ref(env, points_to);
693 fputc('\n', env->file);
696 static void write_type_enumeration(write_env_t *env, ir_type *tp)
698 write_type_common(env, tp);
699 write_ident_null(env, get_enumeration_ident(tp));
700 fputc('\n', env->file);
703 static void write_type(write_env_t *env, ir_type *tp)
705 if (type_visited(tp))
707 mark_type_visited(tp);
709 switch ((tp_opcode)get_type_tpop_code(tp)) {
713 case tpo_uninitialized:
714 /* no need to write special builtin types */
720 write_type_compound(env, tp);
723 case tpo_primitive: write_type_primitive(env, tp); return;
724 case tpo_enumeration: write_type_enumeration(env, tp); return;
725 case tpo_method: write_type_method(env, tp); return;
726 case tpo_pointer: write_type_pointer(env, tp); return;
727 case tpo_array: write_type_array(env, tp); return;
729 panic("can't write invalid type %+F\n", tp);
732 static void write_entity(write_env_t *env, ir_entity *ent)
734 ir_type *type = get_entity_type(ent);
735 ir_type *owner = get_entity_owner(ent);
736 ir_visibility visibility = get_entity_visibility(ent);
737 ir_linkage linkage = get_entity_linkage(ent);
739 if (entity_visited(ent))
741 mark_entity_visited(ent);
743 write_type(env, type);
744 write_type(env, owner);
746 fputc('\t', env->file);
747 switch ((ir_entity_kind)ent->entity_kind) {
748 case IR_ENTITY_NORMAL: write_symbol(env, "entity"); break;
749 case IR_ENTITY_METHOD: write_symbol(env, "method"); break;
750 case IR_ENTITY_LABEL: write_symbol(env, "label"); break;
751 case IR_ENTITY_COMPOUND_MEMBER: write_symbol(env, "compound_member"); break;
752 case IR_ENTITY_PARAMETER: write_symbol(env, "parameter"); break;
753 case IR_ENTITY_UNKNOWN:
754 write_symbol(env, "unknown");
755 write_long(env, get_entity_nr(ent));
758 write_long(env, get_entity_nr(ent));
760 if (ent->entity_kind != IR_ENTITY_LABEL
761 && ent->entity_kind != IR_ENTITY_PARAMETER) {
762 write_ident_null(env, get_entity_ident(ent));
763 if (!entity_has_ld_ident(ent)) {
764 write_ident_null(env, NULL);
766 write_ident_null(env, get_entity_ld_ident(ent));
770 write_visibility(env, visibility);
771 write_list_begin(env);
772 if (linkage & IR_LINKAGE_CONSTANT)
773 write_symbol(env, "constant");
774 if (linkage & IR_LINKAGE_WEAK)
775 write_symbol(env, "weak");
776 if (linkage & IR_LINKAGE_GARBAGE_COLLECT)
777 write_symbol(env, "garbage_collect");
778 if (linkage & IR_LINKAGE_MERGE)
779 write_symbol(env, "merge");
780 if (linkage & IR_LINKAGE_HIDDEN_USER)
781 write_symbol(env, "hidden_user");
784 write_type_ref(env, type);
785 if (ent->entity_kind != IR_ENTITY_LABEL)
786 write_type_ref(env, owner);
787 write_long(env, is_entity_compiler_generated(ent));
788 write_volatility(env, get_entity_volatility(ent));
790 switch ((ir_entity_kind)ent->entity_kind) {
791 case IR_ENTITY_NORMAL:
792 if (ent->initializer != NULL) {
793 write_symbol(env, "initializer");
794 write_initializer(env, get_entity_initializer(ent));
796 write_symbol(env, "none");
799 case IR_ENTITY_COMPOUND_MEMBER:
800 write_long(env, get_entity_offset(ent));
801 write_unsigned(env, get_entity_offset_bits_remainder(ent));
803 case IR_ENTITY_PARAMETER: {
804 size_t num = get_entity_parameter_number(ent);
805 if (num == IR_VA_START_PARAMETER_NUMBER) {
806 write_symbol(env, "va_start");
808 write_size_t(env, num);
812 case IR_ENTITY_UNKNOWN:
813 case IR_ENTITY_LABEL:
814 case IR_ENTITY_METHOD:
818 fputc('\n', env->file);
821 static void write_switch_table(write_env_t *env, const ir_switch_table *table)
823 size_t n_entries = ir_switch_table_get_n_entries(table);
826 write_size_t(env, n_entries);
827 for (i = 0; i < n_entries; ++i) {
828 long pn = ir_switch_table_get_pn(table, i);
829 ir_tarval *min = ir_switch_table_get_min(table, i);
830 ir_tarval *max = ir_switch_table_get_max(table, i);
832 write_tarval(env, min);
833 write_tarval(env, max);
837 static void write_pred_refs(write_env_t *env, const ir_node *node, int from)
839 int arity = get_irn_arity(node);
841 write_list_begin(env);
842 assert(from <= arity);
843 for (i = from; i < arity; ++i) {
844 ir_node *pred = get_irn_n(node, i);
845 write_node_ref(env, pred);
850 static void write_node_nr(write_env_t *env, const ir_node *node)
852 write_long(env, get_irn_node_nr(node));
855 static void write_ASM(write_env_t *env, const ir_node *node)
857 write_symbol(env, "ASM");
858 write_node_nr(env, node);
859 write_node_nr(env, get_nodes_block(node));
860 write_node_nr(env, get_ASM_mem(node));
862 write_ident(env, get_ASM_text(node));
863 write_list_begin(env);
864 ir_asm_constraint *input_constraints = get_ASM_input_constraints(node);
865 int n_inputs = get_ASM_n_inputs(node);
866 for (int i = 0; i < n_inputs; ++i) {
867 const ir_asm_constraint *constraint = &input_constraints[i];
868 write_unsigned(env, constraint->pos);
869 write_ident(env, constraint->constraint);
870 write_mode_ref(env, constraint->mode);
874 write_list_begin(env);
875 ir_asm_constraint *output_constraints = get_ASM_output_constraints(node);
876 size_t n_output_constraints = get_ASM_n_output_constraints(node);
877 for (size_t i = 0; i < n_output_constraints; ++i) {
878 const ir_asm_constraint *constraint = &output_constraints[i];
879 write_unsigned(env, constraint->pos);
880 write_ident(env, constraint->constraint);
881 write_mode_ref(env, constraint->mode);
885 write_list_begin(env);
886 ident **clobbers = get_ASM_clobbers(node);
887 size_t n_clobbers = get_ASM_n_clobbers(node);
888 for (size_t i = 0; i < n_clobbers; ++i) {
889 ident *clobber = clobbers[i];
890 write_ident(env, clobber);
894 write_pin_state(env, get_irn_pinned(node));
895 write_pred_refs(env, node, n_ASM_max+1);
898 static void write_Phi(write_env_t *env, const ir_node *node)
900 write_symbol(env, "Phi");
901 write_node_nr(env, node);
902 write_node_ref(env, get_nodes_block(node));
903 write_mode_ref(env, get_irn_mode(node));
904 write_pred_refs(env, node, 0);
907 static void write_Block(write_env_t *env, const ir_node *node)
909 ir_entity *entity = get_Block_entity(node);
911 if (entity != NULL) {
912 write_symbol(env, "BlockL");
913 write_node_nr(env, node);
914 write_entity_ref(env, entity);
916 write_symbol(env, "Block");
917 write_node_nr(env, node);
919 write_pred_refs(env, node, 0);
922 static void write_Anchor(write_env_t *env, const ir_node *node)
924 write_symbol(env, "Anchor");
925 write_node_nr(env, node);
926 write_pred_refs(env, node, 0);
929 static void write_SymConst(write_env_t *env, const ir_node *node)
931 /* TODO: only symconst_addr_ent implemented yet */
932 if (get_SymConst_kind(node) != symconst_addr_ent)
933 panic("Can't export %+F (only symconst_addr_ent supported)", node);
935 write_symbol(env, "SymConst");
936 write_node_nr(env, node);
937 write_mode_ref(env, get_irn_mode(node));
938 write_entity_ref(env, get_SymConst_entity(node));
941 typedef void (*write_node_func)(write_env_t *env, const ir_node *node);
943 static void register_node_writer(ir_op *op, write_node_func func)
945 set_generic_function_ptr(op, (op_func)func);
948 static void writers_init(void)
950 ir_clear_opcodes_generic_func();
951 register_node_writer(op_Anchor, write_Anchor);
952 register_node_writer(op_ASM, write_ASM);
953 register_node_writer(op_Block, write_Block);
954 register_node_writer(op_Phi, write_Phi);
955 register_node_writer(op_SymConst, write_SymConst);
956 register_generated_node_writers();
959 static void write_node(const ir_node *node, write_env_t *env)
961 ir_op *op = get_irn_op(node);
962 write_node_func func = (write_node_func) get_generic_function_ptr(op);
964 fputc('\t', env->file);
966 panic("No write_node_func for %+F", node);
968 fputc('\n', env->file);
971 static void write_node_recursive(ir_node *node, write_env_t *env);
973 static void write_preds(ir_node *node, write_env_t *env)
975 int arity = get_irn_arity(node);
977 for (i = 0; i < arity; ++i) {
978 ir_node *pred = get_irn_n(node, i);
979 write_node_recursive(pred, env);
984 * Recursively write nodes.
985 * The reader expects nodes in a way that except for block/phi/anchor nodes
986 * all predecessors are already defined when we reach them. So usually we
987 * recurse to all our predecessors except for block/phi/anchor nodes where
988 * we put the predecessors into a queue for later processing.
990 static void write_node_recursive(ir_node *node, write_env_t *env)
992 if (irn_visited_else_mark(node))
995 if (!is_Block(node)) {
996 write_node_recursive(get_nodes_block(node), env);
998 /* write predecessors */
999 if (!is_Phi(node) && !is_Block(node) && !is_Anchor(node)) {
1000 write_preds(node, env);
1002 int arity = get_irn_arity(node);
1004 for (i = 0; i < arity; ++i) {
1005 ir_node *pred = get_irn_n(node, i);
1006 pdeq_putr(env->write_queue, pred);
1009 write_node(node, env);
1012 static void write_mode(write_env_t *env, ir_mode *mode)
1014 if (mode_is_int(mode)) {
1015 write_symbol(env, "int_mode");
1016 write_string(env, get_mode_name(mode));
1017 write_mode_arithmetic(env, get_mode_arithmetic(mode));
1018 write_unsigned(env, get_mode_size_bits(mode));
1019 write_int(env, get_mode_sign(mode));
1020 write_unsigned(env, get_mode_modulo_shift(mode));
1021 } else if (mode_is_reference(mode)) {
1022 write_symbol(env, "reference_mode");
1023 write_string(env, get_mode_name(mode));
1024 write_mode_arithmetic(env, get_mode_arithmetic(mode));
1025 write_unsigned(env, get_mode_size_bits(mode));
1026 write_unsigned(env, get_mode_modulo_shift(mode));
1028 write_mode_ref(env, get_reference_mode_signed_eq(mode));
1029 write_mode_ref(env, get_reference_mode_unsigned_eq(mode));
1030 write_int(env, (mode == mode_P ? 1 : 0));
1031 } else if (mode_is_float(mode)) {
1032 write_symbol(env, "float_mode");
1033 write_string(env, get_mode_name(mode));
1034 write_mode_arithmetic(env, get_mode_arithmetic(mode));
1035 write_unsigned(env, get_mode_exponent_size(mode));
1036 write_unsigned(env, get_mode_mantissa_size(mode));
1038 panic("Can't write internal modes");
1042 static void write_modes(write_env_t *env)
1044 size_t n_modes = ir_get_n_modes();
1047 write_symbol(env, "modes");
1048 fputs("{\n", env->file);
1050 for (i = 0; i < n_modes; i++) {
1051 ir_mode *mode = ir_get_mode(i);
1052 if (!mode_is_int(mode) && !mode_is_reference(mode)
1053 && !mode_is_float(mode)) {
1054 /* skip internal modes */
1057 fputc('\t', env->file);
1058 write_mode(env, mode);
1059 fputc('\n', env->file);
1062 fputs("}\n\n", env->file);
1065 static void write_program(write_env_t *env)
1068 size_t n_asms = get_irp_n_asms();
1071 write_symbol(env, "program");
1072 write_scope_begin(env);
1073 if (irp_prog_name_is_set()) {
1074 fputc('\t', env->file);
1075 write_symbol(env, "name");
1076 write_string(env, get_irp_name());
1077 fputc('\n', env->file);
1080 for (s = IR_SEGMENT_FIRST; s <= IR_SEGMENT_LAST; ++s) {
1081 ir_type *segment_type = get_segment_type(s);
1082 fputc('\t', env->file);
1083 write_symbol(env, "segment_type");
1084 write_symbol(env, get_segment_name(s));
1085 if (segment_type == NULL) {
1086 write_symbol(env, "NULL");
1088 write_type_ref(env, segment_type);
1090 fputc('\n', env->file);
1093 for (i = 0; i < n_asms; ++i) {
1094 ident *asm_text = get_irp_asm(i);
1095 fputc('\t', env->file);
1096 write_symbol(env, "asm");
1097 write_ident(env, asm_text);
1098 fputc('\n', env->file);
1100 write_scope_end(env);
1103 int ir_export(const char *filename)
1105 FILE *file = fopen(filename, "wt");
1112 ir_export_file(file);
1118 static void write_node_cb(ir_node *node, void *ctx)
1120 write_env_t *env = (write_env_t*)ctx;
1121 write_node(node, env);
1124 static void write_typegraph(write_env_t *env)
1126 size_t n_types = get_irp_n_types();
1129 write_symbol(env, "typegraph");
1130 write_scope_begin(env);
1131 irp_reserve_resources(irp, IRP_RESOURCE_TYPE_VISITED);
1132 inc_master_type_visited();
1133 for (i = 0; i < n_types; ++i) {
1134 ir_type *type = get_irp_type(i);
1135 write_type(env, type);
1137 irp_free_resources(irp, IRP_RESOURCE_TYPE_VISITED);
1138 write_scope_end(env);
1141 static void write_irg(write_env_t *env, ir_graph *irg)
1143 write_symbol(env, "irg");
1144 write_entity_ref(env, get_irg_entity(irg));
1145 write_type_ref(env, get_irg_frame_type(irg));
1146 write_scope_begin(env);
1147 ir_reserve_resources(irg, IR_RESOURCE_IRN_VISITED);
1148 inc_irg_visited(irg);
1149 assert(pdeq_empty(env->write_queue));
1150 pdeq_putr(env->write_queue, irg->anchor);
1152 ir_node *node = (ir_node*) pdeq_getl(env->write_queue);
1153 write_node_recursive(node, env);
1154 } while (!pdeq_empty(env->write_queue));
1155 ir_free_resources(irg, IR_RESOURCE_IRN_VISITED);
1156 write_scope_end(env);
1159 /* Exports the whole irp to the given file in a textual form. */
1160 void ir_export_file(FILE *file)
1163 write_env_t *env = &my_env;
1164 size_t i, n_irgs = get_irp_n_irgs();
1166 memset(env, 0, sizeof(*env));
1168 env->write_queue = new_pdeq();
1173 write_typegraph(env);
1175 for (i = 0; i < n_irgs; i++) {
1176 ir_graph *irg = get_irp_irg(i);
1177 write_irg(env, irg);
1180 write_symbol(env, "constirg");
1181 write_node_ref(env, get_const_code_irg()->current_block);
1182 write_scope_begin(env);
1183 walk_const_code(NULL, write_node_cb, env);
1184 write_scope_end(env);
1188 del_pdeq(env->write_queue);
1193 static void read_c(read_env_t *env)
1195 int c = fgetc(env->file);
1201 /** Returns the first non-whitespace character or EOF. **/
1202 static void skip_ws(read_env_t *env)
1219 static void skip_to(read_env_t *env, char to_ch)
1221 while (env->c != to_ch && env->c != EOF) {
1226 static bool expect_char(read_env_t *env, char ch)
1230 parse_error(env, "Unexpected char '%c', expected '%c'\n",
1238 #define EXPECT(c) if (expect_char(env, (c))) {} else return
1240 static char *read_word(read_env_t *env)
1244 assert(obstack_object_size(&env->obst) == 0);
1256 obstack_1grow(&env->obst, c);
1263 obstack_1grow(&env->obst, '\0');
1264 return (char*)obstack_finish(&env->obst);
1267 static char *read_string(read_env_t *env)
1270 if (env->c != '"') {
1271 parse_error(env, "Expected string, got '%c'\n", env->c);
1276 assert(obstack_object_size(&env->obst) == 0);
1277 while (env->c != '"') {
1278 if (env->c == EOF) {
1279 parse_error(env, "Unexpected EOF while parsing string\n");
1283 if (env->c == '\\') {
1287 obstack_1grow(&env->obst, '\n');
1291 obstack_1grow(&env->obst, env->c);
1294 parse_error(env, "Unknown escape sequence '\\%c'\n", env->c);
1298 obstack_1grow(&env->obst, env->c);
1303 obstack_1grow(&env->obst, 0);
1305 return (char*)obstack_finish(&env->obst);
1308 static ident *read_ident(read_env_t *env)
1310 char *str = read_string(env);
1311 ident *res = new_id_from_str(str);
1312 obstack_free(&env->obst, str);
1316 static ident *read_symbol(read_env_t *env)
1318 char *str = read_word(env);
1319 ident *res = new_id_from_str(str);
1320 obstack_free(&env->obst, str);
1325 * reads a "quoted string" or alternatively the token NULL
1327 static char *read_string_null(read_env_t *env)
1330 if (env->c == 'N') {
1331 char *str = read_word(env);
1332 if (strcmp(str, "NULL") == 0) {
1333 obstack_free(&env->obst, str);
1336 } else if (env->c == '"') {
1337 return read_string(env);
1340 parse_error(env, "Expected \"string\" or NULL\n");
1344 static ident *read_ident_null(read_env_t *env)
1347 char *str = read_string_null(env);
1351 res = new_id_from_str(str);
1352 obstack_free(&env->obst, str);
1356 static long read_long(read_env_t *env)
1362 if (!isdigit(env->c) && env->c != '-') {
1363 parse_error(env, "Expected number, got '%c'\n", env->c);
1367 assert(obstack_object_size(&env->obst) == 0);
1369 obstack_1grow(&env->obst, env->c);
1371 } while (isdigit(env->c));
1372 obstack_1grow(&env->obst, 0);
1374 str = (char*)obstack_finish(&env->obst);
1376 obstack_free(&env->obst, str);
1381 static int read_int(read_env_t *env)
1383 return (int) read_long(env);
1386 static unsigned read_unsigned(read_env_t *env)
1388 return (unsigned) read_long(env);
1391 static size_t read_size_t(read_env_t *env)
1394 return (size_t) read_unsigned(env);
1397 static void expect_list_begin(read_env_t *env)
1400 if (env->c != '[') {
1401 parse_error(env, "Expected list, got '%c'\n", env->c);
1407 static bool list_has_next(read_env_t *env)
1409 if (feof(env->file)) {
1410 parse_error(env, "Unexpected EOF while reading list");
1414 if (env->c == ']') {
1422 static void *get_id(read_env_t *env, long id)
1424 id_entry key, *entry;
1427 entry = set_find(id_entry, env->idset, &key, sizeof(key), (unsigned) id);
1428 return entry ? entry->elem : NULL;
1431 static void set_id(read_env_t *env, long id, void *elem)
1436 (void)set_insert(id_entry, env->idset, &key, sizeof(key), (unsigned) id);
1439 static ir_node *get_node_or_null(read_env_t *env, long nodenr)
1441 ir_node *node = (ir_node *) get_id(env, nodenr);
1442 if (node && node->kind != k_ir_node) {
1443 parse_error(env, "Irn ID %ld collides with something else\n",
1450 static ir_type *get_type(read_env_t *env, long typenr)
1452 ir_type *type = (ir_type *) get_id(env, typenr);
1454 parse_error(env, "Type %ld not defined (yet?)\n", typenr);
1455 return get_unknown_type();
1457 if (type->kind != k_type) {
1458 parse_error(env, "Object %ld is not a type (but should be)\n", typenr);
1459 return get_unknown_type();
1464 static ir_type *read_type_ref(read_env_t *env)
1466 char *str = read_word(env);
1467 if (strcmp(str, "none") == 0) {
1468 obstack_free(&env->obst, str);
1469 return get_none_type();
1471 if (strcmp(str, "unknown") == 0) {
1472 obstack_free(&env->obst, str);
1473 return get_unknown_type();
1475 if (strcmp(str, "code") == 0) {
1476 obstack_free(&env->obst, str);
1477 return get_code_type();
1479 long nr = atol(str);
1480 obstack_free(&env->obst, str);
1482 return get_type(env, nr);
1485 static ir_entity *create_error_entity(void)
1487 ir_entity *res = new_entity(get_glob_type(), new_id_from_str("error"),
1488 get_unknown_type());
1492 static ir_entity *get_entity(read_env_t *env, long entnr)
1494 ir_entity *entity = (ir_entity *) get_id(env, entnr);
1495 if (entity == NULL) {
1496 parse_error(env, "unknown entity: %ld\n", entnr);
1497 return create_error_entity();
1499 if (entity->kind != k_entity) {
1500 parse_error(env, "Object %ld is not an entity (but should be)\n",
1502 return create_error_entity();
1508 static ir_entity *read_entity_ref(read_env_t *env)
1510 long nr = read_long(env);
1511 return get_entity(env, nr);
1514 static ir_mode *read_mode_ref(read_env_t *env)
1516 char *str = read_string(env);
1517 size_t n = ir_get_n_modes();
1520 for (i = 0; i < n; i++) {
1521 ir_mode *mode = ir_get_mode(i);
1522 if (strcmp(str, get_mode_name(mode)) == 0) {
1523 obstack_free(&env->obst, str);
1528 parse_error(env, "unknown mode \"%s\"\n", str);
1532 static const char *get_typetag_name(typetag_t typetag)
1535 case tt_align: return "align";
1536 case tt_builtin_kind: return "builtin kind";
1537 case tt_cond_jmp_predicate: return "cond_jmp_predicate";
1538 case tt_initializer: return "initializer kind";
1539 case tt_keyword: return "keyword";
1540 case tt_linkage: return "linkage";
1541 case tt_mode_arithmetic: return "mode_arithmetic";
1542 case tt_pin_state: return "pin state";
1543 case tt_segment: return "segment";
1544 case tt_throws: return "throws";
1545 case tt_tpo: return "type";
1546 case tt_type_state: return "type state";
1547 case tt_visibility: return "visibility";
1548 case tt_volatility: return "volatility";
1549 case tt_where_alloc: return "where alloc";
1555 * Read and decode an enum constant.
1557 static unsigned read_enum(read_env_t *env, typetag_t typetag)
1559 char *str = read_word(env);
1560 unsigned code = symbol(str, typetag);
1562 if (code != SYMERROR) {
1563 obstack_free(&env->obst, str);
1567 parse_error(env, "invalid %s: \"%s\"\n", get_typetag_name(typetag), str);
1571 static ir_align read_align(read_env_t *env)
1573 return (ir_align)read_enum(env, tt_align);
1576 static ir_builtin_kind read_builtin_kind(read_env_t *env)
1578 return (ir_builtin_kind)read_enum(env, tt_builtin_kind);
1581 static cond_jmp_predicate read_cond_jmp_predicate(read_env_t *env)
1583 return (cond_jmp_predicate)read_enum(env, tt_cond_jmp_predicate);
1586 static ir_initializer_kind_t read_initializer_kind(read_env_t *env)
1588 return (ir_initializer_kind_t)read_enum(env, tt_initializer);
1591 static ir_mode_arithmetic read_mode_arithmetic(read_env_t *env)
1593 return (ir_mode_arithmetic)read_enum(env, tt_mode_arithmetic);
1596 static op_pin_state read_pin_state(read_env_t *env)
1598 return (op_pin_state)read_enum(env, tt_pin_state);
1601 static ir_type_state read_type_state(read_env_t *env)
1603 return (ir_type_state)read_enum(env, tt_type_state);
1606 static ir_visibility read_visibility(read_env_t *env)
1608 return (ir_visibility)read_enum(env, tt_visibility);
1611 static ir_linkage read_linkage(read_env_t *env)
1613 return (ir_linkage)read_enum(env, tt_linkage);
1616 static ir_volatility read_volatility(read_env_t *env)
1618 return (ir_volatility)read_enum(env, tt_volatility);
1621 static ir_where_alloc read_where_alloc(read_env_t *env)
1623 return (ir_where_alloc)read_enum(env, tt_where_alloc);
1626 static bool read_throws(read_env_t *env)
1628 return (bool)read_enum(env, tt_throws);
1631 static keyword_t read_keyword(read_env_t *env)
1633 return (keyword_t)read_enum(env, tt_keyword);
1636 static ir_relation read_relation(read_env_t *env)
1638 return (ir_relation)read_long(env);
1641 static ir_tarval *read_tarval(read_env_t *env)
1643 ir_mode *tvmode = read_mode_ref(env);
1644 char *str = read_word(env);
1646 if (strcmp(str, "bad") == 0)
1648 tv = new_tarval_from_str(str, strlen(str), tvmode);
1649 if (tv == tarval_bad)
1650 parse_error(env, "problem while parsing tarval '%s'\n", str);
1651 obstack_free(&env->obst, str);
1656 static ir_switch_table *read_switch_table(read_env_t *env)
1658 size_t n_entries = read_size_t(env);
1659 ir_switch_table *table = ir_new_switch_table(env->irg, n_entries);
1662 for (i = 0; i < n_entries; ++i) {
1663 long pn = read_long(env);
1664 ir_tarval *min = read_tarval(env);
1665 ir_tarval *max = read_tarval(env);
1666 ir_switch_table_set(table, i, min, max, pn);
1671 static ir_initializer_t *read_initializer(read_env_t *env)
1673 ir_initializer_kind_t ini_kind = read_initializer_kind(env);
1676 case IR_INITIALIZER_CONST: {
1677 long nr = read_long(env);
1678 ir_node *node = get_node_or_null(env, nr);
1679 ir_initializer_t *initializer = create_initializer_const(node);
1681 delayed_initializer_t di;
1682 di.initializer = initializer;
1684 ARR_APP1(delayed_initializer_t, env->delayed_initializers, di);
1689 case IR_INITIALIZER_TARVAL:
1690 return create_initializer_tarval(read_tarval(env));
1692 case IR_INITIALIZER_NULL:
1693 return get_initializer_null();
1695 case IR_INITIALIZER_COMPOUND: {
1696 size_t i, n = read_size_t(env);
1697 ir_initializer_t *ini = create_initializer_compound(n);
1698 for (i = 0; i < n; i++) {
1699 ir_initializer_t *curini = read_initializer(env);
1700 set_initializer_compound_value(ini, i, curini);
1706 panic("Unknown initializer kind");
1709 /** Reads a type description and remembers it by its id. */
1710 static void read_type(read_env_t *env)
1712 long typenr = read_long(env);
1713 tp_opcode tpop = (tp_opcode) read_enum(env, tt_tpo);
1714 unsigned size = (unsigned) read_long(env);
1715 unsigned align = (unsigned) read_long(env);
1716 ir_type_state state = read_type_state(env);
1717 unsigned flags = (unsigned) read_long(env);
1722 size_t n_dimensions = read_size_t(env);
1723 ir_type *elemtype = read_type_ref(env);
1725 ir_entity *element_entity;
1726 long element_entity_nr;
1728 type = new_type_array(n_dimensions, elemtype);
1729 for (i = 0; i < n_dimensions; i++) {
1730 char *str = read_word(env);
1731 if (strcmp(str, "unknown") != 0) {
1732 long lowerbound = atol(str);
1733 set_array_lower_bound_int(type, i, lowerbound);
1735 obstack_free(&env->obst, str);
1737 str = read_word(env);
1738 if (strcmp(str, "unknown") != 0) {
1739 long upperbound = atol(str);
1740 set_array_upper_bound_int(type, i, upperbound);
1742 obstack_free(&env->obst, str);
1745 element_entity_nr = read_long(env);
1746 element_entity = get_array_element_entity(type);
1747 set_id(env, element_entity_nr, element_entity);
1749 set_type_size_bytes(type, size);
1754 ident *id = read_ident_null(env);
1756 if (typenr == (long) IR_SEGMENT_GLOBAL)
1757 type = get_glob_type();
1759 type = new_type_class(id);
1760 set_type_size_bytes(type, size);
1765 unsigned callingconv = read_unsigned(env);
1766 mtp_additional_properties addprops
1767 = (mtp_additional_properties) read_long(env);
1768 size_t nparams = read_size_t(env);
1769 size_t nresults = read_size_t(env);
1771 ir_variadicity variadicity;
1773 type = new_type_method(nparams, nresults);
1775 for (i = 0; i < nparams; i++) {
1776 long ptypenr = read_long(env);
1777 ir_type *paramtype = get_type(env, ptypenr);
1779 set_method_param_type(type, i, paramtype);
1781 for (i = 0; i < nresults; i++) {
1782 long ptypenr = read_long(env);
1783 ir_type *restype = get_type(env, ptypenr);
1785 set_method_res_type(type, i, restype);
1788 variadicity = (ir_variadicity) read_long(env);
1789 set_method_variadicity(type, variadicity);
1791 set_method_calling_convention(type, callingconv);
1792 set_method_additional_properties(type, addprops);
1797 ir_mode *mode = read_mode_ref(env);
1798 ir_type *pointsto = get_type(env, read_long(env));
1799 type = new_type_pointer(pointsto);
1800 set_type_mode(type, mode);
1804 case tpo_primitive: {
1805 ir_mode *mode = read_mode_ref(env);
1806 ir_type *base_type = read_type_ref(env);
1807 type = new_type_primitive(mode);
1808 if (base_type != get_none_type()) {
1809 set_primitive_base_type(type, base_type);
1815 ident *id = read_ident_null(env);
1816 type = new_type_struct(id);
1817 set_type_size_bytes(type, size);
1822 ident *id = read_ident_null(env);
1823 type = new_type_union(id);
1824 set_type_size_bytes(type, size);
1831 case tpo_enumeration:
1832 case tpo_uninitialized:
1833 parse_error(env, "can't import this type kind (%d)", tpop);
1836 parse_error(env, "unknown type kind: \"%d\"\n", tpop);
1841 set_type_alignment_bytes(type, align);
1842 type->flags = flags;
1844 if (state == layout_fixed)
1845 ARR_APP1(ir_type *, env->fixedtypes, type);
1847 set_id(env, typenr, type);
1850 static void read_unknown_entity(read_env_t *env)
1852 long entnr = read_long(env);
1853 ir_entity *entity = get_unknown_entity();
1854 set_id(env, entnr, entity);
1857 /** Reads an entity description and remembers it by its id. */
1858 static void read_entity(read_env_t *env, ir_entity_kind kind)
1860 long entnr = read_long(env);
1862 ident *ld_name = NULL;
1863 ir_visibility visibility = ir_visibility_external;
1864 ir_linkage linkage = IR_LINKAGE_DEFAULT;
1865 ir_type *owner = NULL;
1866 ir_entity *entity = NULL;
1867 int compiler_generated;
1868 ir_volatility volatility;
1872 if (kind != IR_ENTITY_LABEL && kind != IR_ENTITY_PARAMETER) {
1873 name = read_ident(env);
1874 ld_name = read_ident_null(env);
1877 visibility = read_visibility(env);
1878 expect_list_begin(env);
1879 while (list_has_next(env)) {
1880 linkage |= read_linkage(env);
1883 type = read_type_ref(env);
1884 if (kind != IR_ENTITY_LABEL)
1885 owner = read_type_ref(env);
1887 compiler_generated = read_long(env) != 0;
1888 volatility = read_volatility(env);
1891 case IR_ENTITY_NORMAL:
1892 entity = new_entity(owner, name, type);
1893 if (ld_name != NULL)
1894 set_entity_ld_ident(entity, ld_name);
1895 str = read_word(env);
1896 if (strcmp(str, "initializer") == 0) {
1897 ir_initializer_t *initializer = read_initializer(env);
1898 if (initializer != NULL)
1899 set_entity_initializer(entity, initializer);
1900 } else if (strcmp(str, "none") == 0) {
1903 parse_error(env, "expected 'initializer' or 'none' got '%s'\n", str);
1906 case IR_ENTITY_COMPOUND_MEMBER:
1907 entity = new_entity(owner, name, type);
1908 if (ld_name != NULL)
1909 set_entity_ld_ident(entity, ld_name);
1910 set_entity_offset(entity, (int) read_long(env));
1911 set_entity_offset_bits_remainder(entity, (unsigned char) read_long(env));
1913 case IR_ENTITY_METHOD:
1914 entity = new_entity(owner, name, type);
1915 if (ld_name != NULL)
1916 set_entity_ld_ident(entity, ld_name);
1918 case IR_ENTITY_PARAMETER: {
1919 char *str = read_word(env);
1920 size_t parameter_number;
1921 if (strcmp(str, "va_start") == 0) {
1922 parameter_number = IR_VA_START_PARAMETER_NUMBER;
1924 parameter_number = atol(str);
1926 obstack_free(&env->obst, str);
1927 entity = new_parameter_entity(owner, parameter_number, type);
1930 case IR_ENTITY_LABEL: {
1931 ir_label_t nr = get_irp_next_label_nr();
1932 entity = new_label_entity(nr);
1935 case IR_ENTITY_UNKNOWN:
1936 panic("read_entity with IR_ENTITY_UNKNOWN?");
1939 set_entity_compiler_generated(entity, compiler_generated);
1940 set_entity_volatility(entity, volatility);
1941 set_entity_visibility(entity, visibility);
1942 set_entity_linkage(entity, linkage);
1944 if (owner != NULL && is_Array_type(owner)) {
1945 set_array_element_entity(owner, entity);
1948 set_id(env, entnr, entity);
1951 /** Parses the whole type graph. */
1952 static void read_typegraph(read_env_t *env)
1954 ir_graph *old_irg = env->irg;
1958 env->irg = get_const_code_irg();
1960 /* parse all types first */
1964 if (env->c == '}') {
1969 kwkind = read_keyword(env);
1976 read_entity(env, IR_ENTITY_NORMAL);
1979 read_entity(env, IR_ENTITY_LABEL);
1982 read_entity(env, IR_ENTITY_METHOD);
1984 case kw_compound_member:
1985 read_entity(env, IR_ENTITY_COMPOUND_MEMBER);
1988 read_entity(env, IR_ENTITY_PARAMETER);
1991 read_unknown_entity(env);
1994 parse_error(env, "type graph element not supported yet: %d\n", kwkind);
2003 * Read a node reference and return the node for it. This assumes that the node
2004 * was previously read. This is fine for all normal nodes.
2005 * (Note: that we "break" loops by having special code for phi, block or anchor
2006 * nodes in place, firm guarantees us that a loop in the graph always contains
2007 * a phi, block or anchor node)
2009 static ir_node *read_node_ref(read_env_t *env)
2011 long nr = read_long(env);
2012 ir_node *node = get_node_or_null(env, nr);
2014 parse_error(env, "node %ld not defined (yet?)\n", nr);
2015 return new_r_Bad(env->irg, mode_ANY);
2020 static int read_preds(read_env_t *env)
2022 expect_list_begin(env);
2023 assert(obstack_object_size(&env->preds_obst) == 0);
2024 while (list_has_next(env)) {
2025 ir_node *pred = read_node_ref(env);
2026 obstack_grow(&env->preds_obst, &pred, sizeof(pred));
2028 return obstack_object_size(&env->preds_obst) / sizeof(ir_node*);
2031 static void read_preds_delayed(read_env_t *env, ir_node *node)
2036 expect_list_begin(env);
2037 assert(obstack_object_size(&env->preds_obst) == 0);
2038 obstack_blank(&env->preds_obst, sizeof(delayed_pred_t));
2039 while (list_has_next(env)) {
2040 long pred_nr = read_long(env);
2041 obstack_grow(&env->preds_obst, &pred_nr, sizeof(pred_nr));
2044 d = (delayed_pred_t*) obstack_finish(&env->preds_obst);
2046 d->n_preds = n_preds;
2048 ARR_APP1(const delayed_pred_t*, env->delayed_preds, d);
2051 static ir_node *read_ASM(read_env_t *env)
2056 ir_asm_constraint *input_constraints = NEW_ARR_F(ir_asm_constraint, 0);
2057 ir_asm_constraint *output_constraints = NEW_ARR_F(ir_asm_constraint, 0);
2058 ident **clobbers = NEW_ARR_F(ident*, 0);
2059 ir_node *block = read_node_ref(env);
2060 ir_node *mem = read_node_ref(env);
2061 op_pin_state pin_state;
2063 ident *asm_text = read_ident(env);
2065 expect_list_begin(env);
2066 while (list_has_next(env)) {
2067 ir_asm_constraint constraint;
2068 constraint.pos = read_unsigned(env);
2069 constraint.constraint = read_ident(env);
2070 constraint.mode = read_mode_ref(env);
2071 ARR_APP1(ir_asm_constraint, input_constraints, constraint);
2074 expect_list_begin(env);
2075 while (list_has_next(env)) {
2076 ir_asm_constraint constraint;
2077 constraint.pos = read_unsigned(env);
2078 constraint.constraint = read_ident(env);
2079 constraint.mode = read_mode_ref(env);
2080 ARR_APP1(ir_asm_constraint, output_constraints, constraint);
2083 expect_list_begin(env);
2084 while (list_has_next(env)) {
2085 ident *clobber = read_ident(env);
2086 ARR_APP1(ident*, clobbers, clobber);
2089 pin_state = read_pin_state(env);
2091 n_in = read_preds(env);
2092 in = (ir_node**)obstack_finish(&env->preds_obst);
2094 if (ARR_LEN(input_constraints) != (size_t)n_in) {
2095 parse_error(env, "input_constraints != n_in in ir file");
2096 return new_r_Bad(env->irg, mode_T);
2099 newnode = new_r_ASM(block, mem, n_in, in,
2100 input_constraints, ARR_LEN(output_constraints),
2101 output_constraints, ARR_LEN(clobbers),
2102 clobbers, asm_text);
2103 set_irn_pinned(newnode, pin_state);
2104 obstack_free(&env->preds_obst, in);
2105 DEL_ARR_F(clobbers);
2106 DEL_ARR_F(output_constraints);
2107 DEL_ARR_F(input_constraints);
2111 static ir_node *read_Phi(read_env_t *env)
2113 ir_node *block = read_node_ref(env);
2114 ir_mode *mode = read_mode_ref(env);
2115 ir_node *res = new_r_Phi(block, 0, NULL, mode);
2116 read_preds_delayed(env, res);
2120 static ir_node *read_Block(read_env_t *env)
2122 ir_node *res = new_r_Block(env->irg, 0, NULL);
2123 read_preds_delayed(env, res);
2127 static ir_node *read_labeled_Block(read_env_t *env)
2129 ir_node *res = new_r_Block(env->irg, 0, NULL);
2130 ir_entity *entity = read_entity_ref(env);
2131 read_preds_delayed(env, res);
2132 set_Block_entity(res, entity);
2136 static ir_node *read_SymConst(read_env_t *env)
2138 ir_mode *mode = read_mode_ref(env);
2139 ir_entity *entity = read_entity_ref(env);
2141 symconst_symbol sym;
2143 sym.entity_p = entity;
2144 res = new_r_SymConst(env->irg, mode, sym, symconst_addr_ent);
2148 static ir_node *read_Anchor(read_env_t *env)
2150 ir_node *res = new_r_Anchor(env->irg);
2151 read_preds_delayed(env, res);
2155 typedef ir_node* read_node_func(read_env_t *env);
2156 static pmap *node_readers;
2158 static void register_node_reader(ident *ident, read_node_func* func)
2160 pmap_insert(node_readers, ident, (void*)func);
2163 static ir_node *read_node(read_env_t *env)
2165 ident *id = read_symbol(env);
2166 read_node_func *func = pmap_get(read_node_func, node_readers, id);
2167 long nr = read_long(env);
2170 parse_error(env, "Unknown nodetype '%s'", get_id_str(id));
2172 res = new_r_Bad(env->irg, mode_ANY);
2176 set_id(env, nr, res);
2180 static void readers_init(void)
2182 assert(node_readers == NULL);
2183 node_readers = pmap_create();
2184 register_node_reader(new_id_from_str("Anchor"), read_Anchor);
2185 register_node_reader(new_id_from_str("ASM"), read_ASM);
2186 register_node_reader(new_id_from_str("Block"), read_Block);
2187 register_node_reader(new_id_from_str("BlockL"), read_labeled_Block);
2188 register_node_reader(new_id_from_str("Phi"), read_Phi);
2189 register_node_reader(new_id_from_str("SymConst"), read_SymConst);
2190 register_generated_node_readers();
2193 static void read_graph(read_env_t *env, ir_graph *irg)
2195 size_t n_delayed_preds;
2199 env->delayed_preds = NEW_ARR_F(const delayed_pred_t*, 0);
2204 if (env->c == '}' || env->c == EOF) {
2212 /* resolve delayed preds */
2213 n_delayed_preds = ARR_LEN(env->delayed_preds);
2214 for (i = 0; i < n_delayed_preds; ++i) {
2215 const delayed_pred_t *dp = env->delayed_preds[i];
2216 ir_node **ins = ALLOCAN(ir_node*, dp->n_preds);
2218 for (i = 0; i < dp->n_preds; ++i) {
2219 long pred_nr = dp->preds[i];
2220 ir_node *pred = get_node_or_null(env, pred_nr);
2222 parse_error(env, "predecessor %ld of a node not defined\n",
2224 goto next_delayed_pred;
2228 set_irn_in(dp->node, dp->n_preds, ins);
2229 if (is_Anchor(dp->node)) {
2231 for (a = anchor_first; a <= anchor_last; ++a) {
2232 ir_node *old_anchor = get_irg_anchor(irg, a);
2233 ir_node *new_anchor = ins[a];
2234 exchange(old_anchor, new_anchor);
2237 next_delayed_pred: ;
2239 DEL_ARR_F(env->delayed_preds);
2240 env->delayed_preds = NULL;
2243 static ir_graph *read_irg(read_env_t *env)
2245 ir_entity *irgent = get_entity(env, read_long(env));
2246 ir_graph *irg = new_ir_graph(irgent, 0);
2247 ir_type *frame = read_type_ref(env);
2248 set_irg_frame_type(irg, frame);
2249 read_graph(env, irg);
2250 irg_finalize_cons(irg);
2254 static void read_modes(read_env_t *env)
2262 if (env->c == '}' || env->c == EOF) {
2267 kwkind = read_keyword(env);
2270 const char *name = read_string(env);
2271 ir_mode_arithmetic arith = read_mode_arithmetic(env);
2272 int size = read_long(env);
2273 int sign = read_long(env);
2274 unsigned modulo_shift = read_long(env);
2275 new_int_mode(name, arith, size, sign, modulo_shift);
2278 case kw_reference_mode: {
2279 const char *name = read_string(env);
2280 ir_mode_arithmetic arith = read_mode_arithmetic(env);
2281 int size = read_long(env);
2282 unsigned modulo_shift = read_long(env);
2283 ir_mode *mode = new_reference_mode(name, arith, size, modulo_shift);
2284 set_reference_mode_signed_eq(mode, read_mode_ref(env));
2285 set_reference_mode_unsigned_eq(mode, read_mode_ref(env));
2286 int is_mode_P = read_int(env);
2288 set_modeP_data(mode);
2289 set_modeP_code(mode);
2293 case kw_float_mode: {
2294 const char *name = read_string(env);
2295 ir_mode_arithmetic arith = read_mode_arithmetic(env);
2296 int exponent_size = read_long(env);
2297 int mantissa_size = read_long(env);
2298 new_float_mode(name, arith, exponent_size, mantissa_size);
2309 static void read_program(read_env_t *env)
2317 if (env->c == '}') {
2322 kwkind = read_keyword(env);
2324 case kw_segment_type: {
2325 ir_segment_t segment = (ir_segment_t) read_enum(env, tt_segment);
2326 ir_type *type = read_type_ref(env);
2327 set_segment_type(segment, type);
2331 ident *text = read_ident(env);
2336 parse_error(env, "unexpected keyword %d\n", kwkind);
2342 int ir_import(const char *filename)
2344 FILE *file = fopen(filename, "rt");
2351 res = ir_import_file(file, filename);
2357 int ir_import_file(FILE *input, const char *inputname)
2360 int oldoptimize = get_optimize();
2361 read_env_t *env = &myenv;
2364 size_t n_delayed_initializers;
2369 memset(env, 0, sizeof(*env));
2370 obstack_init(&env->obst);
2371 obstack_init(&env->preds_obst);
2372 env->idset = new_set(id_cmp, 128);
2373 env->fixedtypes = NEW_ARR_F(ir_type *, 0);
2374 env->inputname = inputname;
2377 env->delayed_initializers = NEW_ARR_F(delayed_initializer_t, 0);
2379 /* read first character */
2391 kw = read_keyword(env);
2398 read_typegraph(env);
2406 ir_graph *constirg = get_const_code_irg();
2407 long bodyblockid = read_long(env);
2408 set_id(env, bodyblockid, constirg->current_block);
2409 read_graph(env, constirg);
2418 parse_error(env, "Unexpected keyword %d at toplevel\n", kw);
2424 n = ARR_LEN(env->fixedtypes);
2425 for (i = 0; i < n; i++)
2426 set_type_state(env->fixedtypes[i], layout_fixed);
2428 DEL_ARR_F(env->fixedtypes);
2430 /* resolve delayed initializers */
2431 n_delayed_initializers = ARR_LEN(env->delayed_initializers);
2432 for (i = 0; i < n_delayed_initializers; ++i) {
2433 const delayed_initializer_t *di = &env->delayed_initializers[i];
2434 ir_node *node = get_node_or_null(env, di->node_nr);
2436 parse_error(env, "node %ld mentioned in an initializer was never defined\n",
2440 assert(di->initializer->kind == IR_INITIALIZER_CONST);
2441 di->initializer->consti.value = node;
2443 DEL_ARR_F(env->delayed_initializers);
2444 env->delayed_initializers = NULL;
2446 del_set(env->idset);
2448 irp_finalize_cons();
2450 set_optimize(oldoptimize);
2452 obstack_free(&env->preds_obst, NULL);
2453 obstack_free(&env->obst, NULL);
2455 pmap_destroy(node_readers);
2456 node_readers = NULL;
2458 return env->read_errors;
2461 #include "gen_irio.inl"