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);
205 INSERTKEYWORD(constirg);
206 INSERTKEYWORD(entity);
209 INSERTKEYWORD(modes);
211 INSERTKEYWORD(typegraph);
212 INSERTKEYWORD(program);
213 INSERTKEYWORD(segment_type);
215 #include "gen_irio_lex.inl"
217 INSERTENUM(tt_align, align_non_aligned);
218 INSERTENUM(tt_align, align_is_aligned);
220 INSERTENUM(tt_builtin, ir_bk_trap);
221 INSERTENUM(tt_builtin, ir_bk_debugbreak);
222 INSERTENUM(tt_builtin, ir_bk_return_address);
223 INSERTENUM(tt_builtin, ir_bk_frame_address);
224 INSERTENUM(tt_builtin, ir_bk_prefetch);
225 INSERTENUM(tt_builtin, ir_bk_ffs);
226 INSERTENUM(tt_builtin, ir_bk_clz);
227 INSERTENUM(tt_builtin, ir_bk_ctz);
228 INSERTENUM(tt_builtin, ir_bk_popcount);
229 INSERTENUM(tt_builtin, ir_bk_parity);
230 INSERTENUM(tt_builtin, ir_bk_bswap);
231 INSERTENUM(tt_builtin, ir_bk_inport);
232 INSERTENUM(tt_builtin, ir_bk_outport);
233 INSERTENUM(tt_builtin, ir_bk_inner_trampoline);
235 INSERTENUM(tt_cond_jmp_predicate, COND_JMP_PRED_NONE);
236 INSERTENUM(tt_cond_jmp_predicate, COND_JMP_PRED_TRUE);
237 INSERTENUM(tt_cond_jmp_predicate, COND_JMP_PRED_FALSE);
239 INSERTENUM(tt_initializer, IR_INITIALIZER_CONST);
240 INSERTENUM(tt_initializer, IR_INITIALIZER_TARVAL);
241 INSERTENUM(tt_initializer, IR_INITIALIZER_NULL);
242 INSERTENUM(tt_initializer, IR_INITIALIZER_COMPOUND);
244 INSERTENUM(tt_mode_arithmetic, irma_uninitialized);
245 INSERTENUM(tt_mode_arithmetic, irma_none);
246 INSERTENUM(tt_mode_arithmetic, irma_twos_complement);
247 INSERTENUM(tt_mode_arithmetic, irma_ones_complement);
248 INSERTENUM(tt_mode_arithmetic, irma_int_BCD);
249 INSERTENUM(tt_mode_arithmetic, irma_ieee754);
250 INSERTENUM(tt_mode_arithmetic, irma_float_BCD);
252 INSERTENUM(tt_pin_state, op_pin_state_floats);
253 INSERTENUM(tt_pin_state, op_pin_state_pinned);
254 INSERTENUM(tt_pin_state, op_pin_state_exc_pinned);
255 INSERTENUM(tt_pin_state, op_pin_state_mem_pinned);
257 INSERTENUM(tt_type_state, layout_undefined);
258 INSERTENUM(tt_type_state, layout_fixed);
260 INSERTENUM(tt_volatility, volatility_non_volatile);
261 INSERTENUM(tt_volatility, volatility_is_volatile);
268 static const char *get_segment_name(ir_segment_t segment)
271 case IR_SEGMENT_GLOBAL: return "global";
272 case IR_SEGMENT_THREAD_LOCAL: return "thread_local";
273 case IR_SEGMENT_CONSTRUCTORS: return "constructors";
274 case IR_SEGMENT_DESTRUCTORS: return "destructors";
276 return "INVALID_SEGMENT";
279 /** Returns the according symbol value for the given string and tag, or SYMERROR if none was found. */
280 static unsigned symbol(const char *str, typetag_t typetag)
282 symbol_t key, *entry;
285 key.typetag = typetag;
287 entry = set_find(symtbl, &key, sizeof(key), firm_fnv_hash_str(str) + typetag * 17);
288 return entry ? entry->code : SYMERROR;
291 static void *get_id(io_env_t *env, long id)
293 id_entry key, *entry;
296 entry = set_find(env->idset, &key, sizeof(key), (unsigned) id);
297 return entry ? entry->elem : NULL;
300 static void set_id(io_env_t *env, long id, void *elem)
305 set_insert(env->idset, &key, sizeof(key), (unsigned) id);
308 static void write_mode(io_env_t *env, ir_mode *mode)
310 fputs(get_mode_name(mode), env->file);
311 fputc(' ', env->file);
314 static void write_tarval(io_env_t *env, tarval *tv)
317 write_mode(env, get_tarval_mode(tv));
318 tarval_snprintf(buf, sizeof(buf), tv);
319 fputs(buf, env->file);
320 fputc(' ', env->file);
323 static void write_align(io_env_t *env, ir_node *irn)
328 align = get_Load_align(irn);
329 else if (is_Store(irn))
330 align = get_Store_align(irn);
332 panic("Invalid optype for write_align");
334 fputs(get_align_name(align), env->file);
335 fputc(' ', env->file);
338 static void write_builtin_kind(io_env_t *env, ir_node *irn)
340 fputs(get_builtin_kind_name(get_Builtin_kind(irn)), env->file);
341 fputc(' ', env->file);
344 static void write_cond_jmp_predicate(io_env_t *env, ir_node *irn)
346 fputs(get_cond_jmp_predicate_name(get_Cond_jmp_pred(irn)), env->file);
347 fputc(' ', env->file);
350 static void write_initializer(io_env_t *env, ir_initializer_t *ini)
353 ir_initializer_kind_t ini_kind = get_initializer_kind(ini);
355 fputs(get_initializer_kind_name(ini_kind), f);
359 case IR_INITIALIZER_CONST:
360 fprintf(f, "%ld ", get_irn_node_nr(get_initializer_const_value(ini)));
363 case IR_INITIALIZER_TARVAL:
364 write_tarval(env, get_initializer_tarval_value(ini));
367 case IR_INITIALIZER_NULL:
370 case IR_INITIALIZER_COMPOUND: {
371 unsigned i, n = get_initializer_compound_n_entries(ini);
372 fprintf(f, "%d ", n);
373 for (i = 0; i < n; i++)
374 write_initializer(env, get_initializer_compound_value(ini, i));
379 panic("Unknown initializer kind");
383 static void write_pin_state(io_env_t *env, ir_node *irn)
385 fputs(get_op_pin_state_name(get_irn_pinned(irn)), env->file);
386 fputc(' ', env->file);
389 static void write_volatility(io_env_t *env, ir_node *irn)
394 vol = get_Load_volatility(irn);
395 else if (is_Store(irn))
396 vol = get_Store_volatility(irn);
398 panic("Invalid optype for write_volatility");
400 fputs(get_volatility_name(vol), env->file);
401 fputc(' ', env->file);
404 static void export_type_common(io_env_t *env, ir_type *tp)
406 fprintf(env->file, "\ttype %ld %s %u %u %s %d ",
408 get_type_tpop_name(tp),
409 get_type_size_bytes(tp),
410 get_type_alignment_bytes(tp),
411 get_type_state_name(get_type_state(tp)),
415 static void export_compound_name(FILE *f, const ir_type *tp)
417 ident *name = get_compound_ident(tp);
421 fprintf(f, "\"%s\" ", get_id_str(name));
425 static void export_type_pre(io_env_t *env, ir_type *tp)
429 /* skip types to be handled by post walker */
430 switch (get_type_tpop_code(tp)) {
439 export_type_common(env, tp);
441 switch (get_type_tpop_code(tp)) {
442 case tpo_uninitialized:
443 panic("invalid type found");
446 export_compound_name(f, tp);
450 write_mode(env, get_type_mode(tp));
455 case tpo_enumeration:
456 export_compound_name(f, tp);
470 static void export_type_post(io_env_t *env, ir_type *tp)
475 /* skip types already handled by pre walker */
476 switch (get_type_tpop_code(tp)) {
482 case tpo_uninitialized:
489 case tpo_enumeration:
493 export_type_common(env, tp);
495 switch (get_type_tpop_code(tp)) {
497 int n = get_array_n_dimensions(tp);
498 fprintf(f, "%d %ld ", n, get_type_nr(get_array_element_type(tp)));
499 for (i = 0; i < n; i++) {
500 ir_node *lower = get_array_lower_bound(tp, i);
501 ir_node *upper = get_array_upper_bound(tp, i);
504 fprintf(f, "%ld ", get_tarval_long(get_Const_tarval(lower)));
506 panic("Lower array bound is not constant");
509 fprintf(f, "%ld ", get_tarval_long(get_Const_tarval(upper)));
510 else if (is_Unknown(upper))
511 fputs("unknown ", f);
513 panic("Upper array bound is not constant");
519 int nparams = get_method_n_params(tp);
520 int nresults = get_method_n_ress(tp);
521 fprintf(f, "%u %u %d %d ", get_method_calling_convention(tp),
522 get_method_additional_properties(tp), nparams, nresults);
523 for (i = 0; i < nparams; i++)
524 fprintf(f, "%ld ", get_type_nr(get_method_param_type(tp, i)));
525 for (i = 0; i < nresults; i++)
526 fprintf(f, "%ld ", get_type_nr(get_method_res_type(tp, i)));
527 fprintf(f, "%d ", get_method_first_variadic_param_index(tp));
532 write_mode(env, get_type_mode(tp));
533 fprintf(f, "%ld ", get_type_nr(get_pointer_points_to_type(tp)));
536 case tpo_enumeration:
537 fprintf(stderr, "Enumeration type not handled yet by exporter\n");
541 printf("export_type: Unknown type code \"%s\".\n",
542 get_type_tpop_name(tp));
548 static void export_entity(io_env_t *env, ir_entity *ent)
550 ir_type *owner = get_entity_owner(ent);
552 /* we don't dump array_element_ent entities. They're a strange concept
553 * and lead to cycles in type_graph.
555 if (is_Array_type(owner))
558 fprintf(env->file, "\tentity %ld \"%s\" ",
559 get_entity_nr(ent), get_entity_name(ent));
560 if (ent->ld_name != NULL) {
561 fprintf(env->file, "\"%s\" ", get_entity_ld_name(ent));
563 fprintf(env->file, "NULL ");
566 fprintf(env->file, "%ld %ld %d %u %d %s ",
567 get_type_nr(get_entity_type(ent)),
569 get_entity_offset(ent),
570 (unsigned) get_entity_offset_bits_remainder(ent),
571 is_entity_compiler_generated(ent),
572 get_volatility_name(get_entity_volatility(ent)));
574 /* TODO: inheritance stuff for class entities not supported yet */
575 if (is_Class_type(owner) && owner != get_glob_type())
576 fprintf(stderr, "Inheritance of class entities not supported yet!\n");
578 if (ent->initializer != NULL) {
579 fputs("initializer ", env->file);
580 write_initializer(env, get_entity_initializer(ent));
581 } else if (entity_has_compound_ent_values(ent)) {
582 int i, n = get_compound_ent_n_values(ent);
583 fputs("compoundgraph ", env->file);
584 fprintf(env->file, "%d ", n);
585 for (i = 0; i < n; i++) {
586 ir_entity *member = get_compound_ent_value_member(ent, i);
587 ir_node *irn = get_compound_ent_value(ent, i);
588 fprintf(env->file, "%ld %ld ", get_entity_nr(member), get_irn_node_nr(irn));
591 fputs("none", env->file);
594 fputc('\n', env->file);
597 static void export_type_or_ent_pre(type_or_ent tore, void *ctx)
599 io_env_t *env = (io_env_t *) ctx;
600 if (get_kind(tore.typ) == k_type)
601 export_type_pre(env, tore.typ);
604 static void export_type_or_ent_post(type_or_ent tore, void *ctx)
606 io_env_t *env = (io_env_t *) ctx;
608 switch (get_kind(tore.ent)) {
610 export_entity(env, tore.ent);
614 export_type_post(env, tore.typ);
618 panic("export_type_or_ent_post: Unknown type or entity.");
624 * Walker: exports every node.
626 static void export_node(ir_node *irn, void *ctx)
628 io_env_t *env = (io_env_t *) ctx;
630 unsigned opcode = get_irn_opcode(irn);
632 if (env->ignoreblocks && opcode == iro_Block)
635 fprintf(env->file, "\t%s %ld [ ", get_irn_opname(irn), get_irn_node_nr(irn));
637 n = get_irn_arity(irn);
638 for (i = -1; i < n; i++) {
639 ir_node *pred = get_irn_n(irn, i);
641 /* Anchor node may have NULL predecessors */
642 assert(is_Anchor(irn));
643 fputs("-1 ", env->file);
645 fprintf(env->file, "%ld ", get_irn_node_nr(pred));
649 fprintf(env->file, "] { ");
652 #include "gen_irio_export.inl"
654 fputs("}\n", env->file);
657 static const char *get_mode_sort_name(ir_mode_sort sort)
660 case irms_auxiliary: return "auxiliary";
661 case irms_control_flow: return "control_flow";
662 case irms_memory: return "memory";
663 case irms_internal_boolean: return "internal_boolean";
664 case irms_reference: return "reference";
665 case irms_int_number: return "int_number";
666 case irms_float_number: return "float_number";
668 panic("invalid mode sort found");
671 static void export_modes(io_env_t *env)
673 int i, n_modes = get_irp_n_modes();
675 fputs("modes {\n", env->file);
677 for (i = 0; i < n_modes; i++) {
678 ir_mode *mode = get_irp_mode(i);
679 switch (get_mode_sort(mode)) {
681 case irms_control_flow:
683 case irms_internal_boolean:
684 /* skip "internal" modes, which may not be user defined */
690 fprintf(env->file, "\tmode \"%s\" %s %d %d %s %d %d ",
691 get_mode_name(mode), get_mode_sort_name(get_mode_sort(mode)),
692 get_mode_size_bits(mode), get_mode_sign(mode),
693 get_mode_arithmetic_name(get_mode_arithmetic(mode)),
694 get_mode_modulo_shift(mode),
695 get_mode_n_vector_elems(mode));
696 if (mode_is_reference(mode)) {
697 write_mode(env, get_reference_mode_signed_eq(mode));
698 write_mode(env, get_reference_mode_unsigned_eq(mode));
700 fputc('\n', env->file);
703 fputs("}\n", env->file);
706 static void export_program(io_env_t *env)
711 fputs("\nprogram {\n", f);
712 if (irp_prog_name_is_set()) {
713 fprintf(f, "\tname \"%s\"\n", get_irp_name());
715 /* We need numbers for irgs... */
717 if (get_irp_main_irg() != NULL) {
718 fprintf(f, "\tmain_irg %d\n", get_irp_main_irg
721 for (s = 0; s <= IR_SEGMENT_LAST; ++s) {
722 ir_type *segment_type = get_segment_type(s);
723 fprintf(f, "\tsegment_type %s", get_segment_name(s));
724 if (segment_type == NULL) {
727 fprintf(f, " %ld\n", get_type_nr(segment_type));
733 void ir_export(const char *filename)
735 FILE *file = fopen(filename, "wt");
741 ir_export_file(file, filename);
745 /* Exports the whole irp to the given file in a textual form. */
746 void ir_export_file(FILE *file, const char *outputname)
749 int i, n_irgs = get_irp_n_irgs();
756 fputs("\ntypegraph {\n", env.file);
757 type_walk_prog(export_type_or_ent_pre, export_type_or_ent_post, &env);
758 fputs("}\n", env.file);
760 for (i = 0; i < n_irgs; i++) {
761 ir_graph *irg = get_irp_irg(i);
762 ir_type *valuetype = get_irg_value_param_type(irg);
764 fprintf(env.file, "\nirg %ld %ld %ld {\n",
765 get_entity_nr(get_irg_entity(irg)),
766 get_type_nr(get_irg_frame_type(irg)),
767 valuetype == NULL ? -1 : get_type_nr(valuetype));
769 env.ignoreblocks = 0;
770 irg_block_walk_graph(irg, NULL, export_node, &env);
772 env.ignoreblocks = 1;
773 irg_walk_anchors(irg, NULL, export_node, &env);
775 fputs("}\n", env.file);
778 fprintf(env.file, "\nconstirg %ld {\n", get_irn_node_nr(get_const_code_irg()->current_block));
780 walk_const_code(NULL, export_node, &env);
781 fputs("}\n", env.file);
783 export_program(&env);
786 /* Exports the given irg to the given file. */
787 void ir_export_irg(ir_graph *irg, FILE *file, const char *outputname)
796 fputs("typegraph {\n", env.file);
798 type_walk_irg(irg, export_type_or_ent_pre, export_type_or_ent_post, &env);
800 fprintf(env.file, "}\n\nirg %ld {\n", get_entity_nr(get_irg_entity(irg)));
802 env.ignoreblocks = 0;
803 irg_block_walk_graph(irg, NULL, export_node, &env);
805 env.ignoreblocks = 1;
806 irg_walk_anchors(irg, NULL, export_node, &env);
808 /* TODO: Only output needed constants */
809 fprintf(env.file, "}\n\nconstirg %ld {\n", get_irn_node_nr(get_const_code_irg()->current_block));
810 walk_const_code(NULL, export_node, &env);
811 fputs("}\n", env.file);
814 static void read_c(io_env_t *env)
816 int c = fgetc(env->file);
822 /** Returns the first non-whitespace character or EOF. **/
823 static void skip_ws(io_env_t *env)
840 static void skip_to(io_env_t *env, char to_ch)
842 while (env->c != to_ch && env->c != EOF) {
847 static int expect_char(io_env_t *env, char ch)
851 parse_error(env, "Unexpected char '%c', expected '%c'\n",
859 #define EXPECT(c) if (expect_char(env, (c))) {} else return 0
861 static char *read_word(io_env_t *env)
865 assert(obstack_object_size(&env->obst) == 0);
877 obstack_1grow(&env->obst, c);
884 obstack_1grow(&env->obst, '\0');
885 return obstack_finish(&env->obst);
888 static char *read_quoted_string(io_env_t *env)
891 if (env->c != '\"') {
892 parse_error(env, "Expected '\"', found '%c'\n", env->c);
897 assert(obstack_object_size(&env->obst) == 0);
901 parse_error(env, "Unexpected end of quoted string!\n");
908 obstack_1grow(&env->obst, ch);
911 obstack_1grow(&env->obst, '\0');
913 return obstack_finish(&env->obst);
916 static ident *read_ident(io_env_t *env)
918 char *str = read_quoted_string(env);
919 ident *res = new_id_from_str(str);
920 obstack_free(&env->obst, str);
926 * reads a "quoted string" or alternatively the token NULL
928 static char *read_quoted_string_null(io_env_t *env)
932 char *str = read_word(env);
933 if (strcmp(str, "NULL") == 0) {
934 obstack_free(&env->obst, str);
937 } else if (env->c == '"') {
938 return read_quoted_string(env);
941 parse_error(env, "Expected \"string\" or NULL\n");
945 static ident *read_ident_null(io_env_t *env)
948 char *str = read_quoted_string_null(env);
952 res = new_id_from_str(str);
953 obstack_free(&env->obst, str);
957 static long read_long(io_env_t *env)
963 if (!isdigit(env->c) && env->c != '-') {
964 parse_error(env, "Expected number, got '%c'\n", env->c);
968 assert(obstack_object_size(&env->obst) == 0);
970 obstack_1grow(&env->obst, env->c);
972 } while(isdigit(env->c));
973 obstack_1grow(&env->obst, 0);
975 str = obstack_finish(&env->obst);
977 obstack_free(&env->obst, str);
982 static ir_node *get_node_or_null(io_env_t *env, long nodenr)
984 ir_node *node = (ir_node *) get_id(env, nodenr);
985 if (node && node->kind != k_ir_node) {
986 panic("Irn ID %ld collides with something else in line %d\n",
992 static ir_node *get_node(io_env_t *env, long nodenr)
994 ir_node *node = get_node_or_null(env, nodenr);
996 panic("Unknown node: %ld in line %d\n", nodenr, env->line);
1001 static ir_node *get_node_or_dummy(io_env_t *env, long nodenr)
1003 ir_node *node = get_node_or_null(env, nodenr);
1005 node = new_Dummy(mode_X);
1006 set_id(env, nodenr, node);
1011 static ir_type *get_type(io_env_t *env, long typenr)
1013 ir_type *type = (ir_type *) get_id(env, typenr);
1015 panic("unknown type: %ld in line %d\n", typenr, env->line);
1016 else if (type->kind != k_type)
1017 panic("type ID %ld collides with something else in line %d\n",
1022 static ir_type *read_type(io_env_t *env)
1024 return get_type(env, read_long(env));
1027 static ir_entity *get_entity(io_env_t *env, long entnr)
1029 ir_entity *entity = (ir_entity *) get_id(env, entnr);
1030 if (entity == NULL) {
1031 parse_error(env, "unknown entity: %ld\n", entnr);
1033 } else if (entity->kind != k_entity) {
1034 panic("Entity ID %ld collides with something else in line %d\n",
1041 static ir_entity *read_entity(io_env_t *env)
1043 return get_entity(env, read_long(env));
1046 static ir_mode *read_mode(io_env_t *env)
1048 char *str = read_word(env);
1051 n = get_irp_n_modes();
1052 for (i = 0; i < n; i++) {
1053 ir_mode *mode = get_irp_mode(i);
1054 if (strcmp(str, get_mode_name(mode)) == 0) {
1055 obstack_free(&env->obst, str);
1060 parse_error(env, "unknown mode \"%s\"\n", str);
1064 static const char *get_typetag_name(typetag_t typetag)
1067 case tt_align: return "align";
1068 case tt_allocation: return "allocation";
1069 case tt_builtin: return "builtin kind";
1070 case tt_cond_jmp_predicate: return "cond_jmp_predicate";
1071 case tt_initializer: return "initializer kind";
1072 case tt_iro: return "opcode";
1073 case tt_keyword: return "keyword";
1074 case tt_linkage: return "linkage";
1075 case tt_mode_arithmetic: return "mode_arithmetic";
1076 case tt_mode_sort: return "mode_sort";
1077 case tt_pin_state: return "pin state";
1078 case tt_segment: return "segment";
1079 case tt_tpo: return "type";
1080 case tt_type_state: return "type state";
1081 case tt_volatility: return "volatility";
1082 case tt_visibility: return "visibility";
1088 * Read and decode an enum constant.
1090 static unsigned read_enum(io_env_t *env, typetag_t typetag)
1092 char *str = read_word(env);
1093 unsigned code = symbol(str, typetag);
1095 if (code != SYMERROR) {
1096 obstack_free(&env->obst, str);
1100 parse_error(env, "invalid %s: \"%s\"\n", get_typetag_name(typetag), str);
1104 #define read_align(env) ((ir_align) read_enum(env, tt_align))
1105 #define read_allocation(env) ((ir_allocation) read_enum(env, tt_allocation))
1106 #define read_builtin_kind(env) ((ir_builtin_kind) read_enum(env, tt_builtin))
1107 #define read_cond_jmp_predicate(env) ((cond_jmp_predicate) read_enum(env, tt_cond_jmp_predicate))
1108 #define read_initializer_kind(env) ((ir_initializer_kind_t) read_enum(env, tt_initializer))
1109 #define read_mode_arithmetic(env) ((ir_mode_arithmetic) read_enum(env, tt_mode_arithmetic))
1110 #define read_peculiarity(env) ((ir_peculiarity) read_enum(env, tt_peculiarity))
1111 #define read_pin_state(env) ((op_pin_state) read_enum(env, tt_pin_state))
1112 #define read_type_state(env) ((ir_type_state) read_enum(env, tt_type_state))
1113 #define read_variability(env) ((ir_variability) read_enum(env, tt_variability))
1114 #define read_volatility(env) ((ir_volatility) read_enum(env, tt_volatility))
1116 static ir_cons_flags get_cons_flags(io_env_t *env)
1118 ir_cons_flags flags = cons_none;
1120 op_pin_state pinstate = read_pin_state(env);
1122 case op_pin_state_floats: flags |= cons_floats; break;
1123 case op_pin_state_pinned: break;
1125 panic("Error in %d: Invalid pinstate: %s", env->line,
1126 get_op_pin_state_name(pinstate));
1129 if (read_volatility(env) == volatility_is_volatile)
1130 flags |= cons_volatile;
1131 if (read_align(env) == align_non_aligned)
1132 flags |= cons_unaligned;
1137 static tarval *read_tv(io_env_t *env)
1139 ir_mode *tvmode = read_mode(env);
1140 char *str = read_word(env);
1141 tarval *tv = new_tarval_from_str(str, strlen(str), tvmode);
1142 obstack_free(&env->obst, str);
1147 static ir_initializer_t *read_initializer(io_env_t *env)
1149 ir_initializer_kind_t ini_kind = read_initializer_kind(env);
1152 case IR_INITIALIZER_CONST: {
1153 ir_node *irn = get_node_or_dummy(env, read_long(env));
1154 return create_initializer_const(irn);
1157 case IR_INITIALIZER_TARVAL:
1158 return create_initializer_tarval(read_tv(env));
1160 case IR_INITIALIZER_NULL:
1161 return get_initializer_null();
1163 case IR_INITIALIZER_COMPOUND: {
1164 unsigned i, n = (unsigned) read_long(env);
1165 ir_initializer_t *ini = create_initializer_compound(n);
1166 for (i = 0; i < n; i++) {
1167 ir_initializer_t *curini = read_initializer(env);
1168 set_initializer_compound_value(ini, i, curini);
1174 panic("Unknown initializer kind");
1179 /** Reads a type description and remembers it by its id. */
1180 static void import_type(io_env_t *env)
1184 long typenr = read_long(env);
1185 tp_opcode tpop = (tp_opcode) read_enum(env, tt_tpo);
1186 unsigned size = (unsigned) read_long(env);
1187 unsigned align = (unsigned) read_long(env);
1188 ir_type_state state = read_type_state(env);
1189 unsigned flags = (unsigned) read_long(env);
1193 int ndims = (int) read_long(env);
1194 long elemtypenr = read_long(env);
1195 ir_type *elemtype = get_type(env, elemtypenr);
1197 type = new_type_array(ndims, elemtype);
1198 for (i = 0; i < ndims; i++) {
1199 char *str = read_word(env);
1200 if (strcmp(str, "unknown") != 0) {
1201 long lowerbound = atol(str);
1202 set_array_lower_bound_int(type, i, lowerbound);
1204 obstack_free(&env->obst, str);
1206 str = read_word(env);
1207 if (strcmp(str, "unknown") != 0) {
1208 long upperbound = atol(str);
1209 set_array_upper_bound_int(type, i, upperbound);
1211 obstack_free(&env->obst, str);
1213 set_type_size_bytes(type, size);
1218 const char *name = read_quoted_string_null(env);
1219 ident *id = name != NULL ? new_id_from_str(name) : NULL;
1221 if(typenr == (long) IR_SEGMENT_GLOBAL)
1222 type = get_glob_type();
1224 type = new_type_class(id);
1225 set_type_size_bytes(type, size);
1230 unsigned callingconv = (unsigned) read_long(env);
1231 unsigned addprops = (unsigned) read_long(env);
1232 int nparams = (int) read_long(env);
1233 int nresults = (int) read_long(env);
1236 type = new_type_method(nparams, nresults);
1238 for (i = 0; i < nparams; i++) {
1239 long typenr = read_long(env);
1240 ir_type *paramtype = get_type(env, typenr);
1242 set_method_param_type(type, i, paramtype);
1244 for (i = 0; i < nresults; i++) {
1245 long typenr = read_long(env);
1246 ir_type *restype = get_type(env, typenr);
1248 set_method_res_type(type, i, restype);
1251 variaindex = (int) read_long(env);
1252 if (variaindex != -1) {
1253 set_method_variadicity(type, variadicity_variadic);
1254 if (variaindex != nparams)
1255 set_method_first_variadic_param_index(type, variaindex);
1258 set_method_calling_convention(type, callingconv);
1259 set_method_additional_properties(type, addprops);
1264 ir_mode *mode = read_mode(env);
1265 ir_type *pointsto = get_type(env, read_long(env));
1266 type = new_type_pointer(pointsto);
1267 set_type_mode(type, mode);
1271 case tpo_primitive: {
1272 ir_mode *mode = read_mode(env);
1273 type = new_type_primitive(mode);
1278 const char *name = read_quoted_string_null(env);
1279 ident *id = name != NULL ? new_id_from_str(name) : NULL;
1280 type = new_type_struct(id);
1281 set_type_size_bytes(type, size);
1286 const char *name = read_quoted_string_null(env);
1287 ident *id = name != NULL ? new_id_from_str(name) : NULL;
1289 type = new_type_union(id);
1290 set_type_size_bytes(type, size);
1295 return; /* ignore unknown type */
1298 parse_error(env, "unknown type kind: \"%d\"\n", tpop);
1303 set_type_alignment_bytes(type, align);
1304 type->flags = flags;
1306 if (state == layout_fixed)
1307 ARR_APP1(ir_type *, env->fixedtypes, type);
1309 set_id(env, typenr, type);
1312 /** Reads an entity description and remembers it by its id. */
1313 static void import_entity(io_env_t *env)
1315 long entnr = read_long(env);
1316 ident *name = read_ident(env);
1317 ident *ld_name = read_ident_null(env);
1318 long typenr = read_long(env);
1319 long ownertypenr = read_long(env);
1322 ir_type *type = get_type(env, typenr);
1323 ir_type *ownertype = !ownertypenr ? get_glob_type() : get_type(env, ownertypenr);
1324 ir_entity *entity = new_entity(ownertype, name, type);
1326 if (ld_name != NULL)
1327 set_entity_ld_ident(entity, ld_name);
1328 set_entity_offset (entity, (int) read_long(env));
1329 set_entity_offset_bits_remainder(entity, (unsigned char) read_long(env));
1330 set_entity_compiler_generated(entity, (int) read_long(env));
1331 set_entity_volatility (entity, read_volatility(env));
1332 /* TODO: read/write linkage */
1334 str = read_word(env);
1335 if (strcmp(str, "initializer") == 0) {
1336 set_entity_initializer(entity, read_initializer(env));
1337 } else if (strcmp(str, "compoundgraph") == 0) {
1338 int n = (int) read_long(env);
1340 for (i = 0; i < n; i++) {
1341 ir_entity *member = get_entity(env, read_long(env));
1342 ir_node *irn = get_node_or_dummy(env, read_long(env));
1343 add_compound_ent_value(entity, irn, member);
1345 } else if (strcmp(str, "none") == 0) {
1348 parse_error(env, "expected 'initializer', 'compoundgraph' or 'none' got '%s'\n", str);
1352 set_id(env, entnr, entity);
1355 /** Parses the whole type graph. */
1356 static int parse_typegraph(io_env_t *env)
1362 current_ir_graph = get_const_code_irg();
1364 /* parse all types first */
1367 if (env->c == '}') {
1372 kwkind = (keyword_t) read_enum(env, tt_keyword);
1383 parse_error(env, "type graph element not supported yet: %d\n", kwkind);
1391 static int read_node_header(io_env_t *env, long *nodenr, long **preds,
1392 const char **nodename)
1396 *nodename = read_word(env);
1397 *nodenr = read_long(env);
1399 ARR_RESIZE(ir_node *, *preds, 0);
1402 for (numpreds = 0; !feof(env->file); numpreds++) {
1406 if (env->c == ']') {
1410 val = read_long(env);
1411 ARR_APP1(long, *preds, val);
1417 /** Parses an IRG. */
1418 static int parse_graph(io_env_t *env, ir_graph *irg)
1420 long *preds = NEW_ARR_F(long, 16);
1421 ir_node **prednodes = NEW_ARR_F(ir_node *, 16);
1422 int i, numpreds, ret = 1;
1424 const char *nodename;
1425 ir_node *node, *newnode;
1427 current_ir_graph = irg;
1433 if (env->c == '}') {
1438 numpreds = read_node_header(env, &nodenr, &preds, &nodename);
1439 if (numpreds == -1) break; /* end-of-graph */
1441 parse_error(env, "node %s %ld is missing predecessors!",
1447 ARR_RESIZE(ir_node *, prednodes, numpreds);
1448 for (i = 0; i < numpreds - 1; i++)
1449 prednodes[i] = get_node_or_dummy(env, preds[i + 1]);
1451 node = get_node_or_null(env, nodenr);
1456 switch (symbol(nodename, tt_iro)) {
1459 ir_node *newendblock = get_node(env, preds[0]);
1460 newnode = get_irg_end(current_ir_graph);
1461 exchange(get_nodes_block(newnode), newendblock);
1462 for (i = 0; i < numpreds - 1; i++)
1463 add_irn_n(newnode, prednodes[i]);
1469 ir_node *newstartblock = get_node(env, preds[0]);
1470 newnode = get_irg_start(current_ir_graph);
1471 exchange(get_nodes_block(newnode), newstartblock);
1477 if (preds[0] != nodenr) {
1478 parse_error(env, "invalid block: preds[0] != nodenr (%ld != %ld)\n",
1484 newnode = new_Block(numpreds - 1, prednodes);
1489 newnode = current_ir_graph->anchor;
1490 for (i = 0; i < numpreds - 1; i++)
1491 set_irn_n(newnode, i, prednodes[i]);
1492 set_irn_n(newnode, -1, get_node(env, preds[0]));
1497 long entnr = read_long(env);
1498 union symconst_symbol sym;
1499 sym.entity_p = get_entity(env, entnr);
1500 newnode = new_SymConst(mode_P, sym, symconst_addr_ent);
1504 #include "gen_irio_import.inl"
1514 parse_error(env, "node type not supported yet: %s\n", nodename);
1519 exchange(node, newnode);
1520 /* Always update hash entry to avoid more uses of id nodes */
1521 set_id(env, nodenr, newnode);
1526 DEL_ARR_F(prednodes);
1531 static int parse_modes(io_env_t *env)
1539 if (env->c == '}') {
1544 kwkind = (keyword_t) read_enum(env, tt_keyword);
1547 const char *name = read_quoted_string(env);
1548 ir_mode_sort sort = read_enum(env, tt_mode_sort);
1549 int size = read_long(env);
1550 int sign = read_long(env);
1551 ir_mode_arithmetic arith = read_mode_arithmetic(env);
1552 unsigned modulo_shift = read_long(env);
1553 int vector_elems = read_long(env);
1556 if (vector_elems != 1) {
1557 panic("no support for import of vector modes yes");
1560 mode = new_ir_mode(name, sort, size, sign, arith, modulo_shift);
1561 if (mode_is_reference(mode)) {
1562 set_reference_mode_signed_eq(mode, read_mode(env));
1563 set_reference_mode_unsigned_eq(mode, read_mode(env));
1576 static int parse_program(io_env_t *env)
1584 if (env->c == '}') {
1589 kwkind = (keyword_t) read_enum(env, tt_keyword);
1591 case kw_segment_type: {
1592 ir_segment_t segment = (ir_segment_t) read_enum(env, tt_segment);
1593 ir_type *type = read_type(env);
1594 set_segment_type(segment, type);
1598 parse_error(env, "unexpected keyword %d\n", kwkind);
1605 void ir_import(const char *filename)
1607 FILE *file = fopen(filename, "rt");
1613 ir_import_file(file, filename);
1618 void ir_import_file(FILE *input, const char *inputname)
1620 int oldoptimize = get_optimize();
1621 firm_verification_t oldver = get_node_verification_mode();
1623 io_env_t *env = &ioenv;
1628 memset(env, 0, sizeof(*env));
1629 obstack_init(&env->obst);
1630 env->idset = new_set(id_cmp, 128);
1631 env->fixedtypes = NEW_ARR_F(ir_type *, 0);
1632 env->inputname = inputname;
1636 /* read first character */
1640 do_node_verification(FIRM_VERIFICATION_OFF);
1649 kw = read_enum(env, tt_keyword);
1652 if (!parse_modes(env)) goto end;
1656 if (!parse_typegraph(env)) goto end;
1661 ir_entity *irgent = get_entity(env, read_long(env));
1663 ir_graph *irg = new_ir_graph(irgent, 0);
1664 set_irg_frame_type(irg, get_type(env, read_long(env)));
1665 valuetypeid = read_long(env);
1666 if (valuetypeid != -1)
1667 set_method_value_param_type(get_entity_type(irgent),
1668 get_type(env, valuetypeid));
1670 if (!parse_graph(env, irg)) goto end;
1675 ir_graph *constirg = get_const_code_irg();
1676 long bodyblockid = read_long(env);
1677 set_id(env, bodyblockid, constirg->current_block);
1678 if (!parse_graph(env, constirg)) goto end;
1687 parse_error(env, "Unexpected keyword %d at toplevel\n", kw);
1694 n = ARR_LEN(env->fixedtypes);
1695 for (i = 0; i < n; i++)
1696 set_type_state(env->fixedtypes[i], layout_fixed);
1698 DEL_ARR_F(env->fixedtypes);
1700 del_set(env->idset);
1702 irp_finalize_cons();
1704 do_node_verification(oldver);
1705 set_optimize(oldoptimize);
1707 obstack_free(&env->obst, NULL);