2 * Copyright (C) 1995-2009 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
37 #include "irgraph_t.h"
49 #define SYMERROR ((unsigned) ~0)
51 typedef struct io_env_t
53 int c; /**< currently read char */
55 set *idset; /**< id_entry set, which maps from file ids to new Firm elements */
57 const char *inputname;
63 typedef enum typetag_t
68 tt_cond_jmp_predicate,
83 typedef enum keyword_t
96 typedef struct symbol_t
98 const char *str; /**< The name of this symbol. */
99 typetag_t typetag; /**< The type tag of this symbol. */
100 unsigned code; /**< The value of this symbol. */
103 typedef struct id_entry
109 /** The symbol table, a set of symbol_t elements. */
113 * Compare two symbol table entries.
115 static int symbol_cmp(const void *elt, const void *key, size_t size)
118 const symbol_t *entry = (const symbol_t *) elt;
119 const symbol_t *keyentry = (const symbol_t *) key;
121 res = entry->typetag - keyentry->typetag;
123 return strcmp(entry->str, keyentry->str);
126 static int id_cmp(const void *elt, const void *key, size_t size)
128 const id_entry *entry = (const id_entry *) elt;
129 const id_entry *keyentry = (const id_entry *) key;
131 return entry->id - keyentry->id;
134 static void __attribute__((format(printf, 2, 3)))
135 parse_error(io_env_t *env, const char *fmt, ...)
138 int line = env->line;
140 /* workaround read_c "feature" that a '\n' triggers the line++
141 * instead of the character after the '\n' */
142 if (env->c == '\n') {
146 fprintf(stderr, "%s:%d: error ", env->inputname, line);
149 vfprintf(stderr, fmt, ap);
153 /** Initializes the symbol table. May be called more than once without problems. */
154 static void symtbl_init(void)
158 /* Only initialize once */
162 symtbl = new_set(symbol_cmp, 256);
164 #define INSERT(tt, s, cod) \
166 key.typetag = (tt); \
168 set_insert(symtbl, &key, sizeof(key), firm_fnv_hash_str(s) + tt * 17)
170 #define INSERTENUM(tt, e) INSERT(tt, #e, e)
171 #define INSERTKEYWORD(k) INSERT(tt_keyword, #k, kw_##k)
173 INSERT(tt_tpo, "array", tpo_array);
174 INSERT(tt_tpo, "class", tpo_class);
175 INSERT(tt_tpo, "method", tpo_method);
176 INSERT(tt_tpo, "pointer", tpo_pointer);
177 INSERT(tt_tpo, "primitive", tpo_primitive);
178 INSERT(tt_tpo, "struct", tpo_struct);
179 INSERT(tt_tpo, "union", tpo_union);
180 INSERT(tt_tpo, "Unknown", tpo_unknown);
182 INSERT(tt_mode_sort, "auxiliary", irms_auxiliary);
183 INSERT(tt_mode_sort, "control_flow", irms_control_flow);
184 INSERT(tt_mode_sort, "memory", irms_memory);
185 INSERT(tt_mode_sort, "internal_boolean", irms_internal_boolean);
186 INSERT(tt_mode_sort, "reference", irms_reference);
187 INSERT(tt_mode_sort, "int_number", irms_int_number);
188 INSERT(tt_mode_sort, "float_number", irms_float_number);
190 INSERT(tt_segment, "global", IR_SEGMENT_GLOBAL);
191 INSERT(tt_segment, "thread_local", IR_SEGMENT_THREAD_LOCAL);
192 INSERT(tt_segment, "constructors", IR_SEGMENT_CONSTRUCTORS);
193 INSERT(tt_segment, "destructors", IR_SEGMENT_DESTRUCTORS);
195 INSERT(tt_linkage, "constant", IR_LINKAGE_CONSTANT);
196 INSERT(tt_linkage, "weak", IR_LINKAGE_WEAK);
197 INSERT(tt_linkage, "garbage_collect", IR_LINKAGE_GARBAGE_COLLECT);
198 INSERT(tt_linkage, "merge", IR_LINKAGE_MERGE);
199 INSERT(tt_linkage, "hidden_user", IR_LINKAGE_HIDDEN_USER);
201 INSERT(tt_visibility, "local", ir_visibility_local);
202 INSERT(tt_visibility, "external", ir_visibility_external);
203 INSERT(tt_visibility, "default", ir_visibility_default);
204 INSERT(tt_visibility, "private", ir_visibility_private);
206 INSERTKEYWORD(constirg);
207 INSERTKEYWORD(entity);
210 INSERTKEYWORD(modes);
212 INSERTKEYWORD(typegraph);
213 INSERTKEYWORD(program);
214 INSERTKEYWORD(segment_type);
216 #include "gen_irio_lex.inl"
218 INSERTENUM(tt_align, align_non_aligned);
219 INSERTENUM(tt_align, align_is_aligned);
221 INSERTENUM(tt_builtin, ir_bk_trap);
222 INSERTENUM(tt_builtin, ir_bk_debugbreak);
223 INSERTENUM(tt_builtin, ir_bk_return_address);
224 INSERTENUM(tt_builtin, ir_bk_frame_address);
225 INSERTENUM(tt_builtin, ir_bk_prefetch);
226 INSERTENUM(tt_builtin, ir_bk_ffs);
227 INSERTENUM(tt_builtin, ir_bk_clz);
228 INSERTENUM(tt_builtin, ir_bk_ctz);
229 INSERTENUM(tt_builtin, ir_bk_popcount);
230 INSERTENUM(tt_builtin, ir_bk_parity);
231 INSERTENUM(tt_builtin, ir_bk_bswap);
232 INSERTENUM(tt_builtin, ir_bk_inport);
233 INSERTENUM(tt_builtin, ir_bk_outport);
234 INSERTENUM(tt_builtin, ir_bk_inner_trampoline);
236 INSERTENUM(tt_cond_jmp_predicate, COND_JMP_PRED_NONE);
237 INSERTENUM(tt_cond_jmp_predicate, COND_JMP_PRED_TRUE);
238 INSERTENUM(tt_cond_jmp_predicate, COND_JMP_PRED_FALSE);
240 INSERTENUM(tt_initializer, IR_INITIALIZER_CONST);
241 INSERTENUM(tt_initializer, IR_INITIALIZER_TARVAL);
242 INSERTENUM(tt_initializer, IR_INITIALIZER_NULL);
243 INSERTENUM(tt_initializer, IR_INITIALIZER_COMPOUND);
245 INSERTENUM(tt_mode_arithmetic, irma_uninitialized);
246 INSERTENUM(tt_mode_arithmetic, irma_none);
247 INSERTENUM(tt_mode_arithmetic, irma_twos_complement);
248 INSERTENUM(tt_mode_arithmetic, irma_ones_complement);
249 INSERTENUM(tt_mode_arithmetic, irma_int_BCD);
250 INSERTENUM(tt_mode_arithmetic, irma_ieee754);
251 INSERTENUM(tt_mode_arithmetic, irma_float_BCD);
253 INSERTENUM(tt_pin_state, op_pin_state_floats);
254 INSERTENUM(tt_pin_state, op_pin_state_pinned);
255 INSERTENUM(tt_pin_state, op_pin_state_exc_pinned);
256 INSERTENUM(tt_pin_state, op_pin_state_mem_pinned);
258 INSERTENUM(tt_type_state, layout_undefined);
259 INSERTENUM(tt_type_state, layout_fixed);
261 INSERTENUM(tt_volatility, volatility_non_volatile);
262 INSERTENUM(tt_volatility, volatility_is_volatile);
269 static const char *get_segment_name(ir_segment_t segment)
272 case IR_SEGMENT_GLOBAL: return "global";
273 case IR_SEGMENT_THREAD_LOCAL: return "thread_local";
274 case IR_SEGMENT_CONSTRUCTORS: return "constructors";
275 case IR_SEGMENT_DESTRUCTORS: return "destructors";
277 return "INVALID_SEGMENT";
280 static const char *get_visibility_name(ir_visibility visibility)
282 switch (visibility) {
283 case ir_visibility_local: return "local";
284 case ir_visibility_external: return "external";
285 case ir_visibility_default: return "default";
286 case ir_visibility_private: return "private";
288 return "INVALID_VISIBILITY";
291 /** Returns the according symbol value for the given string and tag, or SYMERROR if none was found. */
292 static unsigned symbol(const char *str, typetag_t typetag)
294 symbol_t key, *entry;
297 key.typetag = typetag;
299 entry = set_find(symtbl, &key, sizeof(key), firm_fnv_hash_str(str) + typetag * 17);
300 return entry ? entry->code : SYMERROR;
303 static void *get_id(io_env_t *env, long id)
305 id_entry key, *entry;
308 entry = set_find(env->idset, &key, sizeof(key), (unsigned) id);
309 return entry ? entry->elem : NULL;
312 static void set_id(io_env_t *env, long id, void *elem)
317 set_insert(env->idset, &key, sizeof(key), (unsigned) id);
320 static void write_mode(io_env_t *env, ir_mode *mode)
322 fputs(get_mode_name(mode), env->file);
323 fputc(' ', env->file);
326 static void write_tarval(io_env_t *env, tarval *tv)
329 write_mode(env, get_tarval_mode(tv));
330 tarval_snprintf(buf, sizeof(buf), tv);
331 fputs(buf, env->file);
332 fputc(' ', env->file);
335 static void write_align(io_env_t *env, ir_node *irn)
340 align = get_Load_align(irn);
341 else if (is_Store(irn))
342 align = get_Store_align(irn);
344 panic("Invalid optype for write_align");
346 fputs(get_align_name(align), env->file);
347 fputc(' ', env->file);
350 static void write_builtin_kind(io_env_t *env, ir_node *irn)
352 fputs(get_builtin_kind_name(get_Builtin_kind(irn)), env->file);
353 fputc(' ', env->file);
356 static void write_cond_jmp_predicate(io_env_t *env, ir_node *irn)
358 fputs(get_cond_jmp_predicate_name(get_Cond_jmp_pred(irn)), env->file);
359 fputc(' ', env->file);
362 static void write_initializer(io_env_t *env, ir_initializer_t *ini)
365 ir_initializer_kind_t ini_kind = get_initializer_kind(ini);
367 fputs(get_initializer_kind_name(ini_kind), f);
371 case IR_INITIALIZER_CONST:
372 fprintf(f, "%ld ", get_irn_node_nr(get_initializer_const_value(ini)));
375 case IR_INITIALIZER_TARVAL:
376 write_tarval(env, get_initializer_tarval_value(ini));
379 case IR_INITIALIZER_NULL:
382 case IR_INITIALIZER_COMPOUND: {
383 unsigned i, n = get_initializer_compound_n_entries(ini);
384 fprintf(f, "%d ", n);
385 for (i = 0; i < n; i++)
386 write_initializer(env, get_initializer_compound_value(ini, i));
391 panic("Unknown initializer kind");
395 static void write_pin_state(io_env_t *env, ir_node *irn)
397 fputs(get_op_pin_state_name(get_irn_pinned(irn)), env->file);
398 fputc(' ', env->file);
401 static void write_volatility(io_env_t *env, ir_node *irn)
406 vol = get_Load_volatility(irn);
407 else if (is_Store(irn))
408 vol = get_Store_volatility(irn);
410 panic("Invalid optype for write_volatility");
412 fputs(get_volatility_name(vol), env->file);
413 fputc(' ', env->file);
416 static void export_type_common(io_env_t *env, ir_type *tp)
418 fprintf(env->file, "\ttype %ld %s %u %u %s %d ",
420 get_type_tpop_name(tp),
421 get_type_size_bytes(tp),
422 get_type_alignment_bytes(tp),
423 get_type_state_name(get_type_state(tp)),
427 static void export_compound_name(FILE *f, const ir_type *tp)
429 ident *name = get_compound_ident(tp);
433 fprintf(f, "\"%s\" ", get_id_str(name));
437 static void export_type_pre(io_env_t *env, ir_type *tp)
441 /* skip types to be handled by post walker */
442 switch (get_type_tpop_code(tp)) {
451 export_type_common(env, tp);
453 switch (get_type_tpop_code(tp)) {
454 case tpo_uninitialized:
455 panic("invalid type found");
458 export_compound_name(f, tp);
462 write_mode(env, get_type_mode(tp));
467 case tpo_enumeration:
468 export_compound_name(f, tp);
482 static void export_type_post(io_env_t *env, ir_type *tp)
487 /* skip types already handled by pre walker */
488 switch (get_type_tpop_code(tp)) {
494 case tpo_uninitialized:
501 case tpo_enumeration:
505 export_type_common(env, tp);
507 switch (get_type_tpop_code(tp)) {
509 int n = get_array_n_dimensions(tp);
510 fprintf(f, "%d %ld ", n, get_type_nr(get_array_element_type(tp)));
511 for (i = 0; i < n; i++) {
512 ir_node *lower = get_array_lower_bound(tp, i);
513 ir_node *upper = get_array_upper_bound(tp, i);
516 fprintf(f, "%ld ", get_tarval_long(get_Const_tarval(lower)));
518 panic("Lower array bound is not constant");
521 fprintf(f, "%ld ", get_tarval_long(get_Const_tarval(upper)));
522 else if (is_Unknown(upper))
523 fputs("unknown ", f);
525 panic("Upper array bound is not constant");
531 int nparams = get_method_n_params(tp);
532 int nresults = get_method_n_ress(tp);
533 fprintf(f, "%u %u %d %d ", get_method_calling_convention(tp),
534 get_method_additional_properties(tp), nparams, nresults);
535 for (i = 0; i < nparams; i++)
536 fprintf(f, "%ld ", get_type_nr(get_method_param_type(tp, i)));
537 for (i = 0; i < nresults; i++)
538 fprintf(f, "%ld ", get_type_nr(get_method_res_type(tp, i)));
539 fprintf(f, "%d ", get_method_first_variadic_param_index(tp));
544 write_mode(env, get_type_mode(tp));
545 fprintf(f, "%ld ", get_type_nr(get_pointer_points_to_type(tp)));
548 case tpo_enumeration:
549 fprintf(stderr, "Enumeration type not handled yet by exporter\n");
553 printf("export_type: Unknown type code \"%s\".\n",
554 get_type_tpop_name(tp));
560 static void export_entity(io_env_t *env, ir_entity *ent)
562 FILE *file = env->file;
563 ir_type *owner = get_entity_owner(ent);
564 ir_visibility visibility = get_entity_visibility(ent);
565 ir_linkage linkage = get_entity_linkage(ent);
567 /* we don't dump array_element_ent entities. They're a strange concept
568 * and lead to cycles in type_graph.
570 if (is_Array_type(owner))
573 fprintf(env->file, "\tentity %ld \"%s\" ",
574 get_entity_nr(ent), get_entity_name(ent));
575 if (ent->ld_name != NULL) {
576 fprintf(env->file, "\"%s\" ", get_entity_ld_name(ent));
578 fprintf(env->file, "NULL ");
581 /* visibility + linkage */
582 if (visibility != ir_visibility_default) {
583 fprintf(file, "%s ", get_visibility_name(visibility));
585 if (linkage & IR_LINKAGE_CONSTANT)
586 fputs("constant ", file);
587 if (linkage & IR_LINKAGE_WEAK)
588 fputs("weak ", file);
589 if (linkage & IR_LINKAGE_GARBAGE_COLLECT)
590 fputs("garbage_collect ", file);
591 if (linkage & IR_LINKAGE_MERGE)
592 fputs("merge ", file);
593 if (linkage & IR_LINKAGE_HIDDEN_USER)
594 fputs("hidden_user ", file);
596 fprintf(file, "%ld %ld %d %u %d %s ",
597 get_type_nr(get_entity_type(ent)),
599 get_entity_offset(ent),
600 (unsigned) get_entity_offset_bits_remainder(ent),
601 is_entity_compiler_generated(ent),
602 get_volatility_name(get_entity_volatility(ent)));
604 if (ent->initializer != NULL) {
605 fputs("initializer ", env->file);
606 write_initializer(env, get_entity_initializer(ent));
607 } else if (entity_has_compound_ent_values(ent)) {
608 int i, n = get_compound_ent_n_values(ent);
609 fputs("compoundgraph ", env->file);
610 fprintf(env->file, "%d ", n);
611 for (i = 0; i < n; i++) {
612 ir_entity *member = get_compound_ent_value_member(ent, i);
613 ir_node *irn = get_compound_ent_value(ent, i);
614 fprintf(env->file, "%ld %ld ", get_entity_nr(member), get_irn_node_nr(irn));
617 fputs("none", env->file);
620 fputc('\n', env->file);
623 static void export_type_or_ent_pre(type_or_ent tore, void *ctx)
625 io_env_t *env = (io_env_t *) ctx;
626 if (get_kind(tore.typ) == k_type)
627 export_type_pre(env, tore.typ);
630 static void export_type_or_ent_post(type_or_ent tore, void *ctx)
632 io_env_t *env = (io_env_t *) ctx;
634 switch (get_kind(tore.ent)) {
636 export_entity(env, tore.ent);
640 export_type_post(env, tore.typ);
644 panic("export_type_or_ent_post: Unknown type or entity.");
650 * Walker: exports every node.
652 static void export_node(ir_node *irn, void *ctx)
654 io_env_t *env = (io_env_t *) ctx;
656 unsigned opcode = get_irn_opcode(irn);
658 if (env->ignoreblocks && opcode == iro_Block)
661 fprintf(env->file, "\t%s %ld [ ", get_irn_opname(irn), get_irn_node_nr(irn));
663 n = get_irn_arity(irn);
664 for (i = -1; i < n; i++) {
665 ir_node *pred = get_irn_n(irn, i);
667 /* Anchor node may have NULL predecessors */
668 assert(is_Anchor(irn));
669 fputs("-1 ", env->file);
671 fprintf(env->file, "%ld ", get_irn_node_nr(pred));
675 fprintf(env->file, "] { ");
678 #include "gen_irio_export.inl"
680 fputs("}\n", env->file);
683 static const char *get_mode_sort_name(ir_mode_sort sort)
686 case irms_auxiliary: return "auxiliary";
687 case irms_control_flow: return "control_flow";
688 case irms_memory: return "memory";
689 case irms_internal_boolean: return "internal_boolean";
690 case irms_reference: return "reference";
691 case irms_int_number: return "int_number";
692 case irms_float_number: return "float_number";
694 panic("invalid mode sort found");
697 static void export_modes(io_env_t *env)
699 int i, n_modes = get_irp_n_modes();
701 fputs("modes {\n", env->file);
703 for (i = 0; i < n_modes; i++) {
704 ir_mode *mode = get_irp_mode(i);
705 switch (get_mode_sort(mode)) {
707 case irms_control_flow:
709 case irms_internal_boolean:
710 /* skip "internal" modes, which may not be user defined */
716 fprintf(env->file, "\tmode \"%s\" %s %d %d %s %d %d ",
717 get_mode_name(mode), get_mode_sort_name(get_mode_sort(mode)),
718 get_mode_size_bits(mode), get_mode_sign(mode),
719 get_mode_arithmetic_name(get_mode_arithmetic(mode)),
720 get_mode_modulo_shift(mode),
721 get_mode_n_vector_elems(mode));
722 if (mode_is_reference(mode)) {
723 write_mode(env, get_reference_mode_signed_eq(mode));
724 write_mode(env, get_reference_mode_unsigned_eq(mode));
726 fputc('\n', env->file);
729 fputs("}\n", env->file);
732 static void export_program(io_env_t *env)
737 fputs("\nprogram {\n", f);
738 if (irp_prog_name_is_set()) {
739 fprintf(f, "\tname \"%s\"\n", get_irp_name());
741 /* We need numbers for irgs... */
743 if (get_irp_main_irg() != NULL) {
744 fprintf(f, "\tmain_irg %d\n", get_irp_main_irg
747 for (s = 0; s <= IR_SEGMENT_LAST; ++s) {
748 ir_type *segment_type = get_segment_type(s);
749 fprintf(f, "\tsegment_type %s", get_segment_name(s));
750 if (segment_type == NULL) {
753 fprintf(f, " %ld\n", get_type_nr(segment_type));
759 void ir_export(const char *filename)
761 FILE *file = fopen(filename, "wt");
767 ir_export_file(file, filename);
771 /* Exports the whole irp to the given file in a textual form. */
772 void ir_export_file(FILE *file, const char *outputname)
775 int i, n_irgs = get_irp_n_irgs();
782 fputs("\ntypegraph {\n", env.file);
783 type_walk_prog(export_type_or_ent_pre, export_type_or_ent_post, &env);
784 fputs("}\n", env.file);
786 for (i = 0; i < n_irgs; i++) {
787 ir_graph *irg = get_irp_irg(i);
788 ir_type *valuetype = get_irg_value_param_type(irg);
790 fprintf(env.file, "\nirg %ld %ld %ld {\n",
791 get_entity_nr(get_irg_entity(irg)),
792 get_type_nr(get_irg_frame_type(irg)),
793 valuetype == NULL ? -1 : get_type_nr(valuetype));
795 env.ignoreblocks = 0;
796 irg_block_walk_graph(irg, NULL, export_node, &env);
798 env.ignoreblocks = 1;
799 irg_walk_anchors(irg, NULL, export_node, &env);
801 fputs("}\n", env.file);
804 fprintf(env.file, "\nconstirg %ld {\n", get_irn_node_nr(get_const_code_irg()->current_block));
806 walk_const_code(NULL, export_node, &env);
807 fputs("}\n", env.file);
809 export_program(&env);
812 /* Exports the given irg to the given file. */
813 void ir_export_irg(ir_graph *irg, FILE *file, const char *outputname)
822 fputs("typegraph {\n", env.file);
824 type_walk_irg(irg, export_type_or_ent_pre, export_type_or_ent_post, &env);
826 fprintf(env.file, "}\n\nirg %ld {\n", get_entity_nr(get_irg_entity(irg)));
828 env.ignoreblocks = 0;
829 irg_block_walk_graph(irg, NULL, export_node, &env);
831 env.ignoreblocks = 1;
832 irg_walk_anchors(irg, NULL, export_node, &env);
834 /* TODO: Only output needed constants */
835 fprintf(env.file, "}\n\nconstirg %ld {\n", get_irn_node_nr(get_const_code_irg()->current_block));
836 walk_const_code(NULL, export_node, &env);
837 fputs("}\n", env.file);
840 static void read_c(io_env_t *env)
842 int c = fgetc(env->file);
848 /** Returns the first non-whitespace character or EOF. **/
849 static void skip_ws(io_env_t *env)
866 static void skip_to(io_env_t *env, char to_ch)
868 while (env->c != to_ch && env->c != EOF) {
873 static int expect_char(io_env_t *env, char ch)
877 parse_error(env, "Unexpected char '%c', expected '%c'\n",
885 #define EXPECT(c) if (expect_char(env, (c))) {} else return 0
887 static char *read_word(io_env_t *env)
891 assert(obstack_object_size(&env->obst) == 0);
903 obstack_1grow(&env->obst, c);
910 obstack_1grow(&env->obst, '\0');
911 return obstack_finish(&env->obst);
914 static char *read_quoted_string(io_env_t *env)
917 if (env->c != '\"') {
918 parse_error(env, "Expected '\"', found '%c'\n", env->c);
923 assert(obstack_object_size(&env->obst) == 0);
927 parse_error(env, "Unexpected end of quoted string!\n");
934 obstack_1grow(&env->obst, ch);
937 obstack_1grow(&env->obst, '\0');
939 return obstack_finish(&env->obst);
942 static ident *read_ident(io_env_t *env)
944 char *str = read_quoted_string(env);
945 ident *res = new_id_from_str(str);
946 obstack_free(&env->obst, str);
952 * reads a "quoted string" or alternatively the token NULL
954 static char *read_quoted_string_null(io_env_t *env)
958 char *str = read_word(env);
959 if (strcmp(str, "NULL") == 0) {
960 obstack_free(&env->obst, str);
963 } else if (env->c == '"') {
964 return read_quoted_string(env);
967 parse_error(env, "Expected \"string\" or NULL\n");
971 static ident *read_ident_null(io_env_t *env)
974 char *str = read_quoted_string_null(env);
978 res = new_id_from_str(str);
979 obstack_free(&env->obst, str);
983 static long read_long(io_env_t *env)
989 if (!isdigit(env->c) && env->c != '-') {
990 parse_error(env, "Expected number, got '%c'\n", env->c);
994 assert(obstack_object_size(&env->obst) == 0);
996 obstack_1grow(&env->obst, env->c);
998 } while(isdigit(env->c));
999 obstack_1grow(&env->obst, 0);
1001 str = obstack_finish(&env->obst);
1003 obstack_free(&env->obst, str);
1008 static ir_node *get_node_or_null(io_env_t *env, long nodenr)
1010 ir_node *node = (ir_node *) get_id(env, nodenr);
1011 if (node && node->kind != k_ir_node) {
1012 panic("Irn ID %ld collides with something else in line %d\n",
1018 static ir_node *get_node(io_env_t *env, long nodenr)
1020 ir_node *node = get_node_or_null(env, nodenr);
1022 panic("Unknown node: %ld in line %d\n", nodenr, env->line);
1027 static ir_node *get_node_or_dummy(io_env_t *env, long nodenr)
1029 ir_node *node = get_node_or_null(env, nodenr);
1031 node = new_Dummy(mode_X);
1032 set_id(env, nodenr, node);
1037 static ir_type *get_type(io_env_t *env, long typenr)
1039 ir_type *type = (ir_type *) get_id(env, typenr);
1041 panic("unknown type: %ld in line %d\n", typenr, env->line);
1042 else if (type->kind != k_type)
1043 panic("type ID %ld collides with something else in line %d\n",
1048 static ir_type *read_type(io_env_t *env)
1050 return get_type(env, read_long(env));
1053 static ir_entity *get_entity(io_env_t *env, long entnr)
1055 ir_entity *entity = (ir_entity *) get_id(env, entnr);
1056 if (entity == NULL) {
1057 parse_error(env, "unknown entity: %ld\n", entnr);
1059 } else if (entity->kind != k_entity) {
1060 panic("Entity ID %ld collides with something else in line %d\n",
1067 static ir_entity *read_entity(io_env_t *env)
1069 return get_entity(env, read_long(env));
1072 static ir_mode *read_mode(io_env_t *env)
1074 char *str = read_word(env);
1077 n = get_irp_n_modes();
1078 for (i = 0; i < n; i++) {
1079 ir_mode *mode = get_irp_mode(i);
1080 if (strcmp(str, get_mode_name(mode)) == 0) {
1081 obstack_free(&env->obst, str);
1086 parse_error(env, "unknown mode \"%s\"\n", str);
1090 static const char *get_typetag_name(typetag_t typetag)
1093 case tt_align: return "align";
1094 case tt_allocation: return "allocation";
1095 case tt_builtin: return "builtin kind";
1096 case tt_cond_jmp_predicate: return "cond_jmp_predicate";
1097 case tt_initializer: return "initializer kind";
1098 case tt_iro: return "opcode";
1099 case tt_keyword: return "keyword";
1100 case tt_linkage: return "linkage";
1101 case tt_mode_arithmetic: return "mode_arithmetic";
1102 case tt_mode_sort: return "mode_sort";
1103 case tt_pin_state: return "pin state";
1104 case tt_segment: return "segment";
1105 case tt_tpo: return "type";
1106 case tt_type_state: return "type state";
1107 case tt_volatility: return "volatility";
1108 case tt_visibility: return "visibility";
1114 * Read and decode an enum constant.
1116 static unsigned read_enum(io_env_t *env, typetag_t typetag)
1118 char *str = read_word(env);
1119 unsigned code = symbol(str, typetag);
1121 if (code != SYMERROR) {
1122 obstack_free(&env->obst, str);
1126 parse_error(env, "invalid %s: \"%s\"\n", get_typetag_name(typetag), str);
1130 #define read_align(env) ((ir_align) read_enum(env, tt_align))
1131 #define read_allocation(env) ((ir_allocation) read_enum(env, tt_allocation))
1132 #define read_builtin_kind(env) ((ir_builtin_kind) read_enum(env, tt_builtin))
1133 #define read_cond_jmp_predicate(env) ((cond_jmp_predicate) read_enum(env, tt_cond_jmp_predicate))
1134 #define read_initializer_kind(env) ((ir_initializer_kind_t) read_enum(env, tt_initializer))
1135 #define read_mode_arithmetic(env) ((ir_mode_arithmetic) read_enum(env, tt_mode_arithmetic))
1136 #define read_peculiarity(env) ((ir_peculiarity) read_enum(env, tt_peculiarity))
1137 #define read_pin_state(env) ((op_pin_state) read_enum(env, tt_pin_state))
1138 #define read_type_state(env) ((ir_type_state) read_enum(env, tt_type_state))
1139 #define read_variability(env) ((ir_variability) read_enum(env, tt_variability))
1140 #define read_volatility(env) ((ir_volatility) read_enum(env, tt_volatility))
1142 static ir_cons_flags get_cons_flags(io_env_t *env)
1144 ir_cons_flags flags = cons_none;
1146 op_pin_state pinstate = read_pin_state(env);
1148 case op_pin_state_floats: flags |= cons_floats; break;
1149 case op_pin_state_pinned: break;
1151 panic("Error in %d: Invalid pinstate: %s", env->line,
1152 get_op_pin_state_name(pinstate));
1155 if (read_volatility(env) == volatility_is_volatile)
1156 flags |= cons_volatile;
1157 if (read_align(env) == align_non_aligned)
1158 flags |= cons_unaligned;
1163 static tarval *read_tv(io_env_t *env)
1165 ir_mode *tvmode = read_mode(env);
1166 char *str = read_word(env);
1167 tarval *tv = new_tarval_from_str(str, strlen(str), tvmode);
1168 obstack_free(&env->obst, str);
1173 static ir_initializer_t *read_initializer(io_env_t *env)
1175 ir_initializer_kind_t ini_kind = read_initializer_kind(env);
1178 case IR_INITIALIZER_CONST: {
1179 ir_node *irn = get_node_or_dummy(env, read_long(env));
1180 return create_initializer_const(irn);
1183 case IR_INITIALIZER_TARVAL:
1184 return create_initializer_tarval(read_tv(env));
1186 case IR_INITIALIZER_NULL:
1187 return get_initializer_null();
1189 case IR_INITIALIZER_COMPOUND: {
1190 unsigned i, n = (unsigned) read_long(env);
1191 ir_initializer_t *ini = create_initializer_compound(n);
1192 for (i = 0; i < n; i++) {
1193 ir_initializer_t *curini = read_initializer(env);
1194 set_initializer_compound_value(ini, i, curini);
1200 panic("Unknown initializer kind");
1205 /** Reads a type description and remembers it by its id. */
1206 static void import_type(io_env_t *env)
1210 long typenr = read_long(env);
1211 tp_opcode tpop = (tp_opcode) read_enum(env, tt_tpo);
1212 unsigned size = (unsigned) read_long(env);
1213 unsigned align = (unsigned) read_long(env);
1214 ir_type_state state = read_type_state(env);
1215 unsigned flags = (unsigned) read_long(env);
1219 int ndims = (int) read_long(env);
1220 long elemtypenr = read_long(env);
1221 ir_type *elemtype = get_type(env, elemtypenr);
1223 type = new_type_array(ndims, elemtype);
1224 for (i = 0; i < ndims; i++) {
1225 char *str = read_word(env);
1226 if (strcmp(str, "unknown") != 0) {
1227 long lowerbound = atol(str);
1228 set_array_lower_bound_int(type, i, lowerbound);
1230 obstack_free(&env->obst, str);
1232 str = read_word(env);
1233 if (strcmp(str, "unknown") != 0) {
1234 long upperbound = atol(str);
1235 set_array_upper_bound_int(type, i, upperbound);
1237 obstack_free(&env->obst, str);
1239 set_type_size_bytes(type, size);
1244 const char *name = read_quoted_string_null(env);
1245 ident *id = name != NULL ? new_id_from_str(name) : NULL;
1247 if(typenr == (long) IR_SEGMENT_GLOBAL)
1248 type = get_glob_type();
1250 type = new_type_class(id);
1251 set_type_size_bytes(type, size);
1256 unsigned callingconv = (unsigned) read_long(env);
1257 unsigned addprops = (unsigned) read_long(env);
1258 int nparams = (int) read_long(env);
1259 int nresults = (int) read_long(env);
1262 type = new_type_method(nparams, nresults);
1264 for (i = 0; i < nparams; i++) {
1265 long typenr = read_long(env);
1266 ir_type *paramtype = get_type(env, typenr);
1268 set_method_param_type(type, i, paramtype);
1270 for (i = 0; i < nresults; i++) {
1271 long typenr = read_long(env);
1272 ir_type *restype = get_type(env, typenr);
1274 set_method_res_type(type, i, restype);
1277 variaindex = (int) read_long(env);
1278 if (variaindex != -1) {
1279 set_method_variadicity(type, variadicity_variadic);
1280 if (variaindex != nparams)
1281 set_method_first_variadic_param_index(type, variaindex);
1284 set_method_calling_convention(type, callingconv);
1285 set_method_additional_properties(type, addprops);
1290 ir_mode *mode = read_mode(env);
1291 ir_type *pointsto = get_type(env, read_long(env));
1292 type = new_type_pointer(pointsto);
1293 set_type_mode(type, mode);
1297 case tpo_primitive: {
1298 ir_mode *mode = read_mode(env);
1299 type = new_type_primitive(mode);
1304 const char *name = read_quoted_string_null(env);
1305 ident *id = name != NULL ? new_id_from_str(name) : NULL;
1306 type = new_type_struct(id);
1307 set_type_size_bytes(type, size);
1312 const char *name = read_quoted_string_null(env);
1313 ident *id = name != NULL ? new_id_from_str(name) : NULL;
1315 type = new_type_union(id);
1316 set_type_size_bytes(type, size);
1321 return; /* ignore unknown type */
1324 parse_error(env, "unknown type kind: \"%d\"\n", tpop);
1329 set_type_alignment_bytes(type, align);
1330 type->flags = flags;
1332 if (state == layout_fixed)
1333 ARR_APP1(ir_type *, env->fixedtypes, type);
1335 set_id(env, typenr, type);
1338 /** Reads an entity description and remembers it by its id. */
1339 static void import_entity(io_env_t *env)
1341 long entnr = read_long(env);
1342 ident *name = read_ident(env);
1343 ident *ld_name = read_ident_null(env);
1344 ir_visibility visibility = ir_visibility_default;
1345 ir_linkage linkage = IR_LINKAGE_DEFAULT;
1354 while (!isdigit(env->c)) {
1355 char *str = read_word(env);
1360 v = symbol(str, tt_visibility);
1361 if (v != SYMERROR) {
1365 v = symbol(str, tt_linkage);
1366 if (v != SYMERROR) {
1370 printf("Parser error, expected visibility or linkage, got '%s'\n",
1375 typenr = read_long(env);
1376 ownertypenr = read_long(env);
1378 type = get_type(env, typenr);
1379 ownertype = !ownertypenr ? get_glob_type() : get_type(env, ownertypenr);
1380 entity = new_entity(ownertype, name, type);
1382 if (ld_name != NULL)
1383 set_entity_ld_ident(entity, ld_name);
1384 set_entity_offset(entity, (int) read_long(env));
1385 set_entity_offset_bits_remainder(entity, (unsigned char) read_long(env));
1386 set_entity_compiler_generated(entity, (int) read_long(env));
1387 set_entity_volatility(entity, read_volatility(env));
1388 set_entity_visibility(entity, visibility);
1389 set_entity_linkage(entity, linkage);
1391 str = read_word(env);
1392 if (strcmp(str, "initializer") == 0) {
1393 set_entity_initializer(entity, read_initializer(env));
1394 } else if (strcmp(str, "compoundgraph") == 0) {
1395 int n = (int) read_long(env);
1397 for (i = 0; i < n; i++) {
1398 ir_entity *member = get_entity(env, read_long(env));
1399 ir_node *irn = get_node_or_dummy(env, read_long(env));
1400 add_compound_ent_value(entity, irn, member);
1402 } else if (strcmp(str, "none") == 0) {
1405 parse_error(env, "expected 'initializer', 'compoundgraph' or 'none' got '%s'\n", str);
1409 set_id(env, entnr, entity);
1412 /** Parses the whole type graph. */
1413 static int parse_typegraph(io_env_t *env)
1419 current_ir_graph = get_const_code_irg();
1421 /* parse all types first */
1424 if (env->c == '}') {
1429 kwkind = (keyword_t) read_enum(env, tt_keyword);
1440 parse_error(env, "type graph element not supported yet: %d\n", kwkind);
1448 static int read_node_header(io_env_t *env, long *nodenr, long **preds,
1449 const char **nodename)
1453 *nodename = read_word(env);
1454 *nodenr = read_long(env);
1456 ARR_RESIZE(ir_node *, *preds, 0);
1459 for (numpreds = 0; !feof(env->file); numpreds++) {
1463 if (env->c == ']') {
1467 val = read_long(env);
1468 ARR_APP1(long, *preds, val);
1474 /** Parses an IRG. */
1475 static int parse_graph(io_env_t *env, ir_graph *irg)
1477 long *preds = NEW_ARR_F(long, 16);
1478 ir_node **prednodes = NEW_ARR_F(ir_node *, 16);
1479 int i, numpreds, ret = 1;
1481 const char *nodename;
1482 ir_node *node, *newnode;
1484 current_ir_graph = irg;
1490 if (env->c == '}') {
1495 numpreds = read_node_header(env, &nodenr, &preds, &nodename);
1496 if (numpreds == -1) break; /* end-of-graph */
1498 parse_error(env, "node %s %ld is missing predecessors!",
1504 ARR_RESIZE(ir_node *, prednodes, numpreds);
1505 for (i = 0; i < numpreds - 1; i++)
1506 prednodes[i] = get_node_or_dummy(env, preds[i + 1]);
1508 node = get_node_or_null(env, nodenr);
1513 switch (symbol(nodename, tt_iro)) {
1516 ir_node *newendblock = get_node(env, preds[0]);
1517 newnode = get_irg_end(current_ir_graph);
1518 exchange(get_nodes_block(newnode), newendblock);
1519 for (i = 0; i < numpreds - 1; i++)
1520 add_irn_n(newnode, prednodes[i]);
1526 ir_node *newstartblock = get_node(env, preds[0]);
1527 newnode = get_irg_start(current_ir_graph);
1528 exchange(get_nodes_block(newnode), newstartblock);
1534 if (preds[0] != nodenr) {
1535 parse_error(env, "invalid block: preds[0] != nodenr (%ld != %ld)\n",
1541 newnode = new_Block(numpreds - 1, prednodes);
1546 newnode = current_ir_graph->anchor;
1547 for (i = 0; i < numpreds - 1; i++)
1548 set_irn_n(newnode, i, prednodes[i]);
1549 set_irn_n(newnode, -1, get_node(env, preds[0]));
1554 long entnr = read_long(env);
1555 union symconst_symbol sym;
1556 sym.entity_p = get_entity(env, entnr);
1557 newnode = new_SymConst(mode_P, sym, symconst_addr_ent);
1561 #include "gen_irio_import.inl"
1571 parse_error(env, "node type not supported yet: %s\n", nodename);
1576 exchange(node, newnode);
1577 /* Always update hash entry to avoid more uses of id nodes */
1578 set_id(env, nodenr, newnode);
1583 DEL_ARR_F(prednodes);
1588 static int parse_modes(io_env_t *env)
1596 if (env->c == '}') {
1601 kwkind = (keyword_t) read_enum(env, tt_keyword);
1604 const char *name = read_quoted_string(env);
1605 ir_mode_sort sort = read_enum(env, tt_mode_sort);
1606 int size = read_long(env);
1607 int sign = read_long(env);
1608 ir_mode_arithmetic arith = read_mode_arithmetic(env);
1609 unsigned modulo_shift = read_long(env);
1610 int vector_elems = read_long(env);
1613 if (vector_elems != 1) {
1614 panic("no support for import of vector modes yes");
1617 mode = new_ir_mode(name, sort, size, sign, arith, modulo_shift);
1618 if (mode_is_reference(mode)) {
1619 set_reference_mode_signed_eq(mode, read_mode(env));
1620 set_reference_mode_unsigned_eq(mode, read_mode(env));
1633 static int parse_program(io_env_t *env)
1641 if (env->c == '}') {
1646 kwkind = (keyword_t) read_enum(env, tt_keyword);
1648 case kw_segment_type: {
1649 ir_segment_t segment = (ir_segment_t) read_enum(env, tt_segment);
1650 ir_type *type = read_type(env);
1651 set_segment_type(segment, type);
1655 parse_error(env, "unexpected keyword %d\n", kwkind);
1662 void ir_import(const char *filename)
1664 FILE *file = fopen(filename, "rt");
1670 ir_import_file(file, filename);
1675 void ir_import_file(FILE *input, const char *inputname)
1677 int oldoptimize = get_optimize();
1678 firm_verification_t oldver = get_node_verification_mode();
1680 io_env_t *env = &ioenv;
1685 memset(env, 0, sizeof(*env));
1686 obstack_init(&env->obst);
1687 env->idset = new_set(id_cmp, 128);
1688 env->fixedtypes = NEW_ARR_F(ir_type *, 0);
1689 env->inputname = inputname;
1693 /* read first character */
1697 do_node_verification(FIRM_VERIFICATION_OFF);
1706 kw = read_enum(env, tt_keyword);
1709 if (!parse_modes(env)) goto end;
1713 if (!parse_typegraph(env)) goto end;
1718 ir_entity *irgent = get_entity(env, read_long(env));
1720 ir_graph *irg = new_ir_graph(irgent, 0);
1721 set_irg_frame_type(irg, get_type(env, read_long(env)));
1722 valuetypeid = read_long(env);
1723 if (valuetypeid != -1)
1724 set_method_value_param_type(get_entity_type(irgent),
1725 get_type(env, valuetypeid));
1727 if (!parse_graph(env, irg)) goto end;
1732 ir_graph *constirg = get_const_code_irg();
1733 long bodyblockid = read_long(env);
1734 set_id(env, bodyblockid, constirg->current_block);
1735 if (!parse_graph(env, constirg)) goto end;
1744 parse_error(env, "Unexpected keyword %d at toplevel\n", kw);
1751 n = ARR_LEN(env->fixedtypes);
1752 for (i = 0; i < n; i++)
1753 set_type_state(env->fixedtypes[i], layout_fixed);
1755 DEL_ARR_F(env->fixedtypes);
1757 del_set(env->idset);
1759 irp_finalize_cons();
1761 do_node_verification(oldver);
1762 set_optimize(oldoptimize);
1764 obstack_free(&env->obst, NULL);