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,
84 typedef enum keyword_t
97 typedef struct symbol_t
99 const char *str; /**< The name of this symbol. */
100 typetag_t typetag; /**< The type tag of this symbol. */
101 unsigned code; /**< The value of this symbol. */
104 typedef struct id_entry
110 /** The symbol table, a set of symbol_t elements. */
114 * Compare two symbol table entries.
116 static int symbol_cmp(const void *elt, const void *key, size_t size)
119 const symbol_t *entry = (const symbol_t *) elt;
120 const symbol_t *keyentry = (const symbol_t *) key;
122 res = entry->typetag - keyentry->typetag;
124 return strcmp(entry->str, keyentry->str);
127 static int id_cmp(const void *elt, const void *key, size_t size)
129 const id_entry *entry = (const id_entry *) elt;
130 const id_entry *keyentry = (const id_entry *) key;
132 return entry->id - keyentry->id;
135 static void __attribute__((format(printf, 2, 3)))
136 parse_error(io_env_t *env, const char *fmt, ...)
139 int line = env->line;
141 /* workaround read_c "feature" that a '\n' triggers the line++
142 * instead of the character after the '\n' */
143 if (env->c == '\n') {
147 fprintf(stderr, "%s:%d: error ", env->inputname, line);
150 vfprintf(stderr, fmt, ap);
154 /** Initializes the symbol table. May be called more than once without problems. */
155 static void symtbl_init(void)
159 /* Only initialize once */
163 symtbl = new_set(symbol_cmp, 256);
165 #define INSERT(tt, s, cod) \
167 key.typetag = (tt); \
169 set_insert(symtbl, &key, sizeof(key), firm_fnv_hash_str(s) + tt * 17)
171 #define INSERTENUM(tt, e) INSERT(tt, #e, e)
172 #define INSERTKEYWORD(k) INSERT(tt_keyword, #k, kw_##k)
174 INSERT(tt_tpo, "array", tpo_array);
175 INSERT(tt_tpo, "class", tpo_class);
176 INSERT(tt_tpo, "method", tpo_method);
177 INSERT(tt_tpo, "pointer", tpo_pointer);
178 INSERT(tt_tpo, "primitive", tpo_primitive);
179 INSERT(tt_tpo, "struct", tpo_struct);
180 INSERT(tt_tpo, "union", tpo_union);
181 INSERT(tt_tpo, "Unknown", tpo_unknown);
183 INSERT(tt_mode_sort, "auxiliary", irms_auxiliary);
184 INSERT(tt_mode_sort, "control_flow", irms_control_flow);
185 INSERT(tt_mode_sort, "memory", irms_memory);
186 INSERT(tt_mode_sort, "internal_boolean", irms_internal_boolean);
187 INSERT(tt_mode_sort, "reference", irms_reference);
188 INSERT(tt_mode_sort, "int_number", irms_int_number);
189 INSERT(tt_mode_sort, "float_number", irms_float_number);
191 INSERT(tt_segment, "global", IR_SEGMENT_GLOBAL);
192 INSERT(tt_segment, "thread_local", IR_SEGMENT_THREAD_LOCAL);
193 INSERT(tt_segment, "constructors", IR_SEGMENT_CONSTRUCTORS);
194 INSERT(tt_segment, "destructors", IR_SEGMENT_DESTRUCTORS);
196 INSERTKEYWORD(constirg);
197 INSERTKEYWORD(entity);
200 INSERTKEYWORD(modes);
202 INSERTKEYWORD(typegraph);
203 INSERTKEYWORD(program);
204 INSERTKEYWORD(segment_type);
206 #include "gen_irio_lex.inl"
208 INSERTENUM(tt_align, align_non_aligned);
209 INSERTENUM(tt_align, align_is_aligned);
211 INSERTENUM(tt_allocation, allocation_automatic);
212 INSERTENUM(tt_allocation, allocation_parameter);
213 INSERTENUM(tt_allocation, allocation_dynamic);
214 INSERTENUM(tt_allocation, allocation_static);
216 INSERTENUM(tt_builtin, ir_bk_trap);
217 INSERTENUM(tt_builtin, ir_bk_debugbreak);
218 INSERTENUM(tt_builtin, ir_bk_return_address);
219 INSERTENUM(tt_builtin, ir_bk_frame_address);
220 INSERTENUM(tt_builtin, ir_bk_prefetch);
221 INSERTENUM(tt_builtin, ir_bk_ffs);
222 INSERTENUM(tt_builtin, ir_bk_clz);
223 INSERTENUM(tt_builtin, ir_bk_ctz);
224 INSERTENUM(tt_builtin, ir_bk_popcount);
225 INSERTENUM(tt_builtin, ir_bk_parity);
226 INSERTENUM(tt_builtin, ir_bk_bswap);
227 INSERTENUM(tt_builtin, ir_bk_inport);
228 INSERTENUM(tt_builtin, ir_bk_outport);
229 INSERTENUM(tt_builtin, ir_bk_inner_trampoline);
231 INSERTENUM(tt_cond_jmp_predicate, COND_JMP_PRED_NONE);
232 INSERTENUM(tt_cond_jmp_predicate, COND_JMP_PRED_TRUE);
233 INSERTENUM(tt_cond_jmp_predicate, COND_JMP_PRED_FALSE);
235 INSERTENUM(tt_initializer, IR_INITIALIZER_CONST);
236 INSERTENUM(tt_initializer, IR_INITIALIZER_TARVAL);
237 INSERTENUM(tt_initializer, IR_INITIALIZER_NULL);
238 INSERTENUM(tt_initializer, IR_INITIALIZER_COMPOUND);
240 INSERTENUM(tt_mode_arithmetic, irma_uninitialized);
241 INSERTENUM(tt_mode_arithmetic, irma_none);
242 INSERTENUM(tt_mode_arithmetic, irma_twos_complement);
243 INSERTENUM(tt_mode_arithmetic, irma_ones_complement);
244 INSERTENUM(tt_mode_arithmetic, irma_int_BCD);
245 INSERTENUM(tt_mode_arithmetic, irma_ieee754);
246 INSERTENUM(tt_mode_arithmetic, irma_float_BCD);
248 INSERTENUM(tt_peculiarity, peculiarity_description);
249 INSERTENUM(tt_peculiarity, peculiarity_inherited);
250 INSERTENUM(tt_peculiarity, peculiarity_existent);
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_variability, variability_uninitialized);
261 INSERTENUM(tt_variability, variability_initialized);
262 INSERTENUM(tt_variability, variability_part_constant);
263 INSERTENUM(tt_variability, variability_constant);
265 INSERTENUM(tt_visibility, visibility_local);
266 INSERTENUM(tt_visibility, visibility_external_visible);
267 INSERTENUM(tt_visibility, visibility_external_allocated);
269 INSERTENUM(tt_volatility, volatility_non_volatile);
270 INSERTENUM(tt_volatility, volatility_is_volatile);
277 static const char *get_segment_name(ir_segment_t segment)
280 case IR_SEGMENT_GLOBAL: return "global";
281 case IR_SEGMENT_THREAD_LOCAL: return "thread_local";
282 case IR_SEGMENT_CONSTRUCTORS: return "constructors";
283 case IR_SEGMENT_DESTRUCTORS: return "destructors";
285 return "INVALID_SEGMENT";
288 /** Returns the according symbol value for the given string and tag, or SYMERROR if none was found. */
289 static unsigned symbol(const char *str, typetag_t typetag)
291 symbol_t key, *entry;
294 key.typetag = typetag;
296 entry = set_find(symtbl, &key, sizeof(key), firm_fnv_hash_str(str) + typetag * 17);
297 return entry ? entry->code : SYMERROR;
300 static void *get_id(io_env_t *env, long id)
302 id_entry key, *entry;
305 entry = set_find(env->idset, &key, sizeof(key), (unsigned) id);
306 return entry ? entry->elem : NULL;
309 static void set_id(io_env_t *env, long id, void *elem)
314 set_insert(env->idset, &key, sizeof(key), (unsigned) id);
317 static void write_mode(io_env_t *env, ir_mode *mode)
319 fputs(get_mode_name(mode), env->file);
320 fputc(' ', env->file);
323 static void write_tarval(io_env_t *env, tarval *tv)
326 write_mode(env, get_tarval_mode(tv));
327 tarval_snprintf(buf, sizeof(buf), tv);
328 fputs(buf, env->file);
329 fputc(' ', env->file);
332 static void write_align(io_env_t *env, ir_node *irn)
337 align = get_Load_align(irn);
338 else if (is_Store(irn))
339 align = get_Store_align(irn);
341 panic("Invalid optype for write_align");
343 fputs(get_align_name(align), env->file);
344 fputc(' ', env->file);
347 static void write_builtin_kind(io_env_t *env, ir_node *irn)
349 fputs(get_builtin_kind_name(get_Builtin_kind(irn)), env->file);
350 fputc(' ', env->file);
353 static void write_cond_jmp_predicate(io_env_t *env, ir_node *irn)
355 fputs(get_cond_jmp_predicate_name(get_Cond_jmp_pred(irn)), env->file);
356 fputc(' ', env->file);
359 static void write_initializer(io_env_t *env, ir_initializer_t *ini)
362 ir_initializer_kind_t ini_kind = get_initializer_kind(ini);
364 fputs(get_initializer_kind_name(ini_kind), f);
368 case IR_INITIALIZER_CONST:
369 fprintf(f, "%ld ", get_irn_node_nr(get_initializer_const_value(ini)));
372 case IR_INITIALIZER_TARVAL:
373 write_tarval(env, get_initializer_tarval_value(ini));
376 case IR_INITIALIZER_NULL:
379 case IR_INITIALIZER_COMPOUND: {
380 unsigned i, n = get_initializer_compound_n_entries(ini);
381 fprintf(f, "%d ", n);
382 for (i = 0; i < n; i++)
383 write_initializer(env, get_initializer_compound_value(ini, i));
388 panic("Unknown initializer kind");
392 static void write_pin_state(io_env_t *env, ir_node *irn)
394 fputs(get_op_pin_state_name(get_irn_pinned(irn)), env->file);
395 fputc(' ', env->file);
398 static void write_volatility(io_env_t *env, ir_node *irn)
403 vol = get_Load_volatility(irn);
404 else if (is_Store(irn))
405 vol = get_Store_volatility(irn);
407 panic("Invalid optype for write_volatility");
409 fputs(get_volatility_name(vol), env->file);
410 fputc(' ', env->file);
413 static void export_type_common(io_env_t *env, ir_type *tp)
415 fprintf(env->file, "\ttype %ld %s %u %u %s %s %d ",
417 get_type_tpop_name(tp),
418 get_type_size_bytes(tp),
419 get_type_alignment_bytes(tp),
420 get_type_state_name(get_type_state(tp)),
421 get_visibility_name(get_type_visibility(tp)),
425 static void export_compound_name(FILE *f, const ir_type *tp)
427 ident *name = get_compound_ident(tp);
431 fprintf(f, "\"%s\" ", get_id_str(name));
435 static void export_type_pre(io_env_t *env, ir_type *tp)
439 /* skip types to be handled by post walker */
440 switch (get_type_tpop_code(tp)) {
449 export_type_common(env, tp);
451 switch (get_type_tpop_code(tp)) {
452 case tpo_uninitialized:
453 panic("invalid type found");
456 export_compound_name(f, tp);
460 write_mode(env, get_type_mode(tp));
465 case tpo_enumeration:
466 export_compound_name(f, tp);
480 static void export_type_post(io_env_t *env, ir_type *tp)
485 /* skip types already handled by pre walker */
486 switch (get_type_tpop_code(tp)) {
492 case tpo_uninitialized:
499 case tpo_enumeration:
503 export_type_common(env, tp);
505 switch (get_type_tpop_code(tp)) {
507 int n = get_array_n_dimensions(tp);
508 fprintf(f, "%d %ld ", n, get_type_nr(get_array_element_type(tp)));
509 for (i = 0; i < n; i++) {
510 ir_node *lower = get_array_lower_bound(tp, i);
511 ir_node *upper = get_array_upper_bound(tp, i);
514 fprintf(f, "%ld ", get_tarval_long(get_Const_tarval(lower)));
516 panic("Lower array bound is not constant");
519 fprintf(f, "%ld ", get_tarval_long(get_Const_tarval(upper)));
520 else if (is_Unknown(upper))
521 fputs("unknown ", f);
523 panic("Upper array bound is not constant");
529 int nparams = get_method_n_params(tp);
530 int nresults = get_method_n_ress(tp);
531 fprintf(f, "%u %u %d %d ", get_method_calling_convention(tp),
532 get_method_additional_properties(tp), nparams, nresults);
533 for (i = 0; i < nparams; i++)
534 fprintf(f, "%ld ", get_type_nr(get_method_param_type(tp, i)));
535 for (i = 0; i < nresults; i++)
536 fprintf(f, "%ld ", get_type_nr(get_method_res_type(tp, i)));
537 fprintf(f, "%d ", get_method_first_variadic_param_index(tp));
542 write_mode(env, get_type_mode(tp));
543 fprintf(f, "%ld ", get_type_nr(get_pointer_points_to_type(tp)));
546 case tpo_enumeration:
547 fprintf(stderr, "Enumeration type not handled yet by exporter\n");
551 printf("export_type: Unknown type code \"%s\".\n",
552 get_type_tpop_name(tp));
558 static void export_entity(io_env_t *env, ir_entity *ent)
560 ir_type *owner = get_entity_owner(ent);
562 /* we don't dump array_element_ent entities. They're a strange concept
563 * and lead to cycles in type_graph.
565 if (is_Array_type(owner))
568 fprintf(env->file, "\tentity %ld \"%s\" ",
569 get_entity_nr(ent), get_entity_name(ent));
570 if (ent->ld_name != NULL) {
571 fprintf(env->file, "\"%s\" ", get_entity_ld_name(ent));
573 fprintf(env->file, "NULL ");
576 fprintf(env->file, "%ld %ld %d %u %d %s %s %s %s %s ",
577 get_type_nr(get_entity_type(ent)),
579 get_entity_offset(ent),
580 (unsigned) get_entity_offset_bits_remainder(ent),
581 is_entity_compiler_generated(ent),
582 get_allocation_name(get_entity_allocation(ent)),
583 get_visibility_name(get_entity_visibility(ent)),
584 get_variability_name(get_entity_variability(ent)),
585 get_peculiarity_name(get_entity_peculiarity(ent)),
586 get_volatility_name(get_entity_volatility(ent)));
588 /* TODO: inheritance stuff for class entities not supported yet */
589 if (is_Class_type(owner) && owner != get_glob_type())
590 fprintf(stderr, "Inheritance of class entities not supported yet!\n");
592 if (get_entity_variability(ent) != variability_uninitialized &&
593 get_entity_visibility(ent) != visibility_external_allocated)
595 if (is_compound_entity(ent)) {
596 if (has_entity_initializer(ent)) {
597 fputs("initializer ", env->file);
598 write_initializer(env, get_entity_initializer(ent));
600 int i, n = get_compound_ent_n_values(ent);
601 fputs("noninitializer ", env->file);
602 fprintf(env->file, "%d ", n);
603 for (i = 0; i < n; i++) {
604 ir_entity *member = get_compound_ent_value_member(ent, i);
605 ir_node *irn = get_compound_ent_value(ent, i);
606 fprintf(env->file, "%ld %ld ", get_entity_nr(member), get_irn_node_nr(irn));
610 ir_node *irn = get_atomic_ent_value(ent);
611 fprintf(env->file, "%ld ", get_irn_node_nr(irn));
615 fputc('\n', env->file);
618 static void export_type_or_ent_pre(type_or_ent tore, void *ctx)
620 io_env_t *env = (io_env_t *) ctx;
621 if (get_kind(tore.typ) == k_type)
622 export_type_pre(env, tore.typ);
625 static void export_type_or_ent_post(type_or_ent tore, void *ctx)
627 io_env_t *env = (io_env_t *) ctx;
629 switch (get_kind(tore.ent)) {
631 export_entity(env, tore.ent);
635 export_type_post(env, tore.typ);
639 panic("export_type_or_ent_post: Unknown type or entity.");
645 * Walker: exports every node.
647 static void export_node(ir_node *irn, void *ctx)
649 io_env_t *env = (io_env_t *) ctx;
651 unsigned opcode = get_irn_opcode(irn);
653 if (env->ignoreblocks && opcode == iro_Block)
656 fprintf(env->file, "\t%s %ld [ ", get_irn_opname(irn), get_irn_node_nr(irn));
658 n = get_irn_arity(irn);
659 for (i = -1; i < n; i++) {
660 ir_node *pred = get_irn_n(irn, i);
662 /* Anchor node may have NULL predecessors */
663 assert(is_Anchor(irn));
664 fputs("-1 ", env->file);
666 fprintf(env->file, "%ld ", get_irn_node_nr(pred));
670 fprintf(env->file, "] { ");
673 #include "gen_irio_export.inl"
675 fputs("}\n", env->file);
678 static const char *get_mode_sort_name(ir_mode_sort sort)
681 case irms_auxiliary: return "auxiliary";
682 case irms_control_flow: return "control_flow";
683 case irms_memory: return "memory";
684 case irms_internal_boolean: return "internal_boolean";
685 case irms_reference: return "reference";
686 case irms_int_number: return "int_number";
687 case irms_float_number: return "float_number";
689 panic("invalid mode sort found");
692 static void export_modes(io_env_t *env)
694 int i, n_modes = get_irp_n_modes();
696 fputs("modes {\n", env->file);
698 for (i = 0; i < n_modes; i++) {
699 ir_mode *mode = get_irp_mode(i);
700 switch (get_mode_sort(mode)) {
702 case irms_control_flow:
704 case irms_internal_boolean:
705 /* skip "internal" modes, which may not be user defined */
711 fprintf(env->file, "\tmode \"%s\" %s %d %d %s %d %d ",
712 get_mode_name(mode), get_mode_sort_name(get_mode_sort(mode)),
713 get_mode_size_bits(mode), get_mode_sign(mode),
714 get_mode_arithmetic_name(get_mode_arithmetic(mode)),
715 get_mode_modulo_shift(mode),
716 get_mode_n_vector_elems(mode));
717 if (mode_is_reference(mode)) {
718 write_mode(env, get_reference_mode_signed_eq(mode));
719 write_mode(env, get_reference_mode_unsigned_eq(mode));
721 fputc('\n', env->file);
724 fputs("}\n", env->file);
727 static void export_program(io_env_t *env)
732 fputs("\nprogram {\n", f);
733 if (irp_prog_name_is_set()) {
734 fprintf(f, "\tname \"%s\"\n", get_irp_name());
736 /* We need numbers for irgs... */
738 if (get_irp_main_irg() != NULL) {
739 fprintf(f, "\tmain_irg %d\n", get_irp_main_irg
742 for (s = 0; s <= IR_SEGMENT_LAST; ++s) {
743 ir_type *segment_type = get_segment_type(s);
744 fprintf(f, "\tsegment_type %s", get_segment_name(s));
745 if (segment_type == NULL) {
748 fprintf(f, " %ld\n", get_type_nr(segment_type));
754 void ir_export(const char *filename)
756 FILE *file = fopen(filename, "wt");
762 ir_export_file(file, filename);
766 /* Exports the whole irp to the given file in a textual form. */
767 void ir_export_file(FILE *file, const char *outputname)
770 int i, n_irgs = get_irp_n_irgs();
777 fputs("\ntypegraph {\n", env.file);
778 type_walk_prog(export_type_or_ent_pre, export_type_or_ent_post, &env);
779 fputs("}\n", env.file);
781 for (i = 0; i < n_irgs; i++) {
782 ir_graph *irg = get_irp_irg(i);
783 ir_type *valuetype = get_irg_value_param_type(irg);
785 fprintf(env.file, "\nirg %ld %ld %ld {\n",
786 get_entity_nr(get_irg_entity(irg)),
787 get_type_nr(get_irg_frame_type(irg)),
788 valuetype == NULL ? -1 : get_type_nr(valuetype));
790 env.ignoreblocks = 0;
791 irg_block_walk_graph(irg, NULL, export_node, &env);
793 env.ignoreblocks = 1;
794 irg_walk_anchors(irg, NULL, export_node, &env);
796 fputs("}\n", env.file);
799 fprintf(env.file, "\nconstirg %ld {\n", get_irn_node_nr(get_const_code_irg()->current_block));
801 walk_const_code(NULL, export_node, &env);
802 fputs("}\n", env.file);
804 export_program(&env);
807 /* Exports the given irg to the given file. */
808 void ir_export_irg(ir_graph *irg, FILE *file, const char *outputname)
817 fputs("typegraph {\n", env.file);
819 type_walk_irg(irg, export_type_or_ent_pre, export_type_or_ent_post, &env);
821 fprintf(env.file, "}\n\nirg %ld {\n", get_entity_nr(get_irg_entity(irg)));
823 env.ignoreblocks = 0;
824 irg_block_walk_graph(irg, NULL, export_node, &env);
826 env.ignoreblocks = 1;
827 irg_walk_anchors(irg, NULL, export_node, &env);
829 /* TODO: Only output needed constants */
830 fprintf(env.file, "}\n\nconstirg %ld {\n", get_irn_node_nr(get_const_code_irg()->current_block));
831 walk_const_code(NULL, export_node, &env);
832 fputs("}\n", env.file);
835 static void read_c(io_env_t *env)
837 int c = fgetc(env->file);
843 /** Returns the first non-whitespace character or EOF. **/
844 static void skip_ws(io_env_t *env)
861 static void skip_to(io_env_t *env, char to_ch)
863 while (env->c != to_ch && env->c != EOF) {
868 static int expect_char(io_env_t *env, char ch)
872 parse_error(env, "Unexpected char '%c', expected '%c'\n",
880 #define EXPECT(c) if (expect_char(env, (c))) {} else return 0
882 static char *read_word(io_env_t *env)
886 assert(obstack_object_size(&env->obst) == 0);
898 obstack_1grow(&env->obst, c);
905 obstack_1grow(&env->obst, '\0');
906 return obstack_finish(&env->obst);
909 static char *read_quoted_string(io_env_t *env)
912 if (env->c != '\"') {
913 parse_error(env, "Expected '\"', found '%c'\n", env->c);
918 assert(obstack_object_size(&env->obst) == 0);
922 parse_error(env, "Unexpected end of quoted string!\n");
929 obstack_1grow(&env->obst, ch);
932 obstack_1grow(&env->obst, '\0');
934 return obstack_finish(&env->obst);
937 static ident *read_ident(io_env_t *env)
939 char *str = read_quoted_string(env);
940 ident *res = new_id_from_str(str);
941 obstack_free(&env->obst, str);
947 * reads a "quoted string" or alternatively the token NULL
949 static char *read_quoted_string_null(io_env_t *env)
953 char *str = read_word(env);
954 if (strcmp(str, "NULL") == 0) {
955 obstack_free(&env->obst, str);
958 } else if (env->c == '"') {
959 return read_quoted_string(env);
962 parse_error(env, "Expected \"string\" or NULL\n");
966 static ident *read_ident_null(io_env_t *env)
969 char *str = read_quoted_string_null(env);
973 res = new_id_from_str(str);
974 obstack_free(&env->obst, str);
978 static long read_long(io_env_t *env)
984 if (!isdigit(env->c) && env->c != '-') {
985 parse_error(env, "Expected number, got '%c'\n", env->c);
989 assert(obstack_object_size(&env->obst) == 0);
991 obstack_1grow(&env->obst, env->c);
993 } while(isdigit(env->c));
994 obstack_1grow(&env->obst, 0);
996 str = obstack_finish(&env->obst);
998 obstack_free(&env->obst, str);
1003 static ir_node *get_node_or_null(io_env_t *env, long nodenr)
1005 ir_node *node = (ir_node *) get_id(env, nodenr);
1006 if (node && node->kind != k_ir_node) {
1007 panic("Irn ID %ld collides with something else in line %d\n",
1013 static ir_node *get_node(io_env_t *env, long nodenr)
1015 ir_node *node = get_node_or_null(env, nodenr);
1017 panic("Unknown node: %ld in line %d\n", nodenr, env->line);
1022 static ir_node *get_node_or_dummy(io_env_t *env, long nodenr)
1024 ir_node *node = get_node_or_null(env, nodenr);
1026 node = new_Dummy(mode_X);
1027 set_id(env, nodenr, node);
1032 static ir_type *get_type(io_env_t *env, long typenr)
1034 ir_type *type = (ir_type *) get_id(env, typenr);
1036 panic("unknown type: %ld in line %d\n", typenr, env->line);
1037 else if (type->kind != k_type)
1038 panic("type ID %ld collides with something else in line %d\n",
1043 static ir_type *read_type(io_env_t *env)
1045 return get_type(env, read_long(env));
1048 static ir_entity *get_entity(io_env_t *env, long entnr)
1050 ir_entity *entity = (ir_entity *) get_id(env, entnr);
1051 if (entity == NULL) {
1052 parse_error(env, "unknown entity: %ld\n", entnr);
1054 } else if (entity->kind != k_entity) {
1055 panic("Entity ID %ld collides with something else in line %d\n",
1062 static ir_entity *read_entity(io_env_t *env)
1064 return get_entity(env, read_long(env));
1067 static ir_mode *read_mode(io_env_t *env)
1069 char *str = read_word(env);
1072 n = get_irp_n_modes();
1073 for (i = 0; i < n; i++) {
1074 ir_mode *mode = get_irp_mode(i);
1075 if (strcmp(str, get_mode_name(mode)) == 0) {
1076 obstack_free(&env->obst, str);
1081 parse_error(env, "unknown mode \"%s\"\n", str);
1085 static const char *get_typetag_name(typetag_t typetag)
1088 case tt_align: return "align";
1089 case tt_allocation: return "allocation";
1090 case tt_builtin: return "builtin kind";
1091 case tt_initializer: return "initializer kind";
1092 case tt_iro: return "opcode";
1093 case tt_peculiarity: return "peculiarity";
1094 case tt_pin_state: return "pin state";
1095 case tt_tpo: return "type";
1096 case tt_type_state: return "type state";
1097 case tt_variability: return "variability";
1098 case tt_visibility: return "visibility";
1099 case tt_volatility: return "volatility";
1100 case tt_cond_jmp_predicate: return "cond_jmp_predicate";
1101 case tt_keyword: return "keyword";
1102 case tt_mode_sort: return "mode_sort";
1103 case tt_mode_arithmetic: return "mode_arithmetic";
1104 case tt_segment: return "segment";
1110 * Read and decode an enum constant.
1112 static unsigned read_enum(io_env_t *env, typetag_t typetag)
1114 char *str = read_word(env);
1115 unsigned code = symbol(str, typetag);
1117 if (code != SYMERROR) {
1118 obstack_free(&env->obst, str);
1122 parse_error(env, "invalid %s: \"%s\"\n", get_typetag_name(typetag), str);
1126 #define read_align(env) ((ir_align) read_enum(env, tt_align))
1127 #define read_allocation(env) ((ir_allocation) read_enum(env, tt_allocation))
1128 #define read_builtin_kind(env) ((ir_builtin_kind) read_enum(env, tt_builtin))
1129 #define read_cond_jmp_predicate(env) ((cond_jmp_predicate) read_enum(env, tt_cond_jmp_predicate))
1130 #define read_initializer_kind(env) ((ir_initializer_kind_t) read_enum(env, tt_initializer))
1131 #define read_mode_arithmetic(env) ((ir_mode_arithmetic) read_enum(env, tt_mode_arithmetic))
1132 #define read_peculiarity(env) ((ir_peculiarity) read_enum(env, tt_peculiarity))
1133 #define read_pin_state(env) ((op_pin_state) read_enum(env, tt_pin_state))
1134 #define read_type_state(env) ((ir_type_state) read_enum(env, tt_type_state))
1135 #define read_variability(env) ((ir_variability) read_enum(env, tt_variability))
1136 #define read_visibility(env) ((ir_visibility) read_enum(env, tt_visibility))
1137 #define read_volatility(env) ((ir_volatility) read_enum(env, tt_volatility))
1139 static ir_cons_flags get_cons_flags(io_env_t *env)
1141 ir_cons_flags flags = cons_none;
1143 op_pin_state pinstate = read_pin_state(env);
1145 case op_pin_state_floats: flags |= cons_floats; break;
1146 case op_pin_state_pinned: break;
1148 panic("Error in %d: Invalid pinstate: %s", env->line,
1149 get_op_pin_state_name(pinstate));
1152 if (read_volatility(env) == volatility_is_volatile)
1153 flags |= cons_volatile;
1154 if (read_align(env) == align_non_aligned)
1155 flags |= cons_unaligned;
1160 static tarval *read_tv(io_env_t *env)
1162 ir_mode *tvmode = read_mode(env);
1163 char *str = read_word(env);
1164 tarval *tv = new_tarval_from_str(str, strlen(str), tvmode);
1165 obstack_free(&env->obst, str);
1170 static ir_initializer_t *read_initializer(io_env_t *env)
1172 ir_initializer_kind_t ini_kind = read_initializer_kind(env);
1175 case IR_INITIALIZER_CONST: {
1176 ir_node *irn = get_node_or_dummy(env, read_long(env));
1177 return create_initializer_const(irn);
1180 case IR_INITIALIZER_TARVAL:
1181 return create_initializer_tarval(read_tv(env));
1183 case IR_INITIALIZER_NULL:
1184 return get_initializer_null();
1186 case IR_INITIALIZER_COMPOUND: {
1187 unsigned i, n = (unsigned) read_long(env);
1188 ir_initializer_t *ini = create_initializer_compound(n);
1189 for (i = 0; i < n; i++) {
1190 ir_initializer_t *curini = read_initializer(env);
1191 set_initializer_compound_value(ini, i, curini);
1197 panic("Unknown initializer kind");
1202 /** Reads a type description and remembers it by its id. */
1203 static void import_type(io_env_t *env)
1207 long typenr = read_long(env);
1208 tp_opcode tpop = (tp_opcode) read_enum(env, tt_tpo);
1209 unsigned size = (unsigned) read_long(env);
1210 unsigned align = (unsigned) read_long(env);
1211 ir_type_state state = read_type_state(env);
1212 ir_visibility vis = read_visibility(env);
1213 unsigned flags = (unsigned) read_long(env);
1217 int ndims = (int) read_long(env);
1218 long elemtypenr = read_long(env);
1219 ir_type *elemtype = get_type(env, elemtypenr);
1221 type = new_type_array(ndims, elemtype);
1222 for (i = 0; i < ndims; i++) {
1223 char *str = read_word(env);
1224 if (strcmp(str, "unknown") != 0) {
1225 long lowerbound = atol(str);
1226 set_array_lower_bound_int(type, i, lowerbound);
1228 obstack_free(&env->obst, str);
1230 str = read_word(env);
1231 if (strcmp(str, "unknown") != 0) {
1232 long upperbound = atol(str);
1233 set_array_upper_bound_int(type, i, upperbound);
1235 obstack_free(&env->obst, str);
1237 set_type_size_bytes(type, size);
1242 const char *name = read_quoted_string_null(env);
1243 ident *id = name != NULL ? new_id_from_str(name) : NULL;
1245 if(typenr == (long) IR_SEGMENT_GLOBAL)
1246 type = get_glob_type();
1248 type = new_type_class(id);
1249 set_type_size_bytes(type, size);
1254 unsigned callingconv = (unsigned) read_long(env);
1255 unsigned addprops = (unsigned) read_long(env);
1256 int nparams = (int) read_long(env);
1257 int nresults = (int) read_long(env);
1260 type = new_type_method(nparams, nresults);
1262 for (i = 0; i < nparams; i++) {
1263 long typenr = read_long(env);
1264 ir_type *paramtype = get_type(env, typenr);
1266 set_method_param_type(type, i, paramtype);
1268 for (i = 0; i < nresults; i++) {
1269 long typenr = read_long(env);
1270 ir_type *restype = get_type(env, typenr);
1272 set_method_res_type(type, i, restype);
1275 variaindex = (int) read_long(env);
1276 if (variaindex != -1) {
1277 set_method_variadicity(type, variadicity_variadic);
1278 if (variaindex != nparams)
1279 set_method_first_variadic_param_index(type, variaindex);
1282 set_method_calling_convention(type, callingconv);
1283 set_method_additional_properties(type, addprops);
1288 ir_mode *mode = read_mode(env);
1289 ir_type *pointsto = get_type(env, read_long(env));
1290 type = new_type_pointer(pointsto);
1291 set_type_mode(type, mode);
1295 case tpo_primitive: {
1296 ir_mode *mode = read_mode(env);
1297 type = new_type_primitive(mode);
1302 const char *name = read_quoted_string_null(env);
1303 ident *id = name != NULL ? new_id_from_str(name) : NULL;
1304 type = new_type_struct(id);
1305 set_type_size_bytes(type, size);
1310 const char *name = read_quoted_string_null(env);
1311 ident *id = name != NULL ? new_id_from_str(name) : NULL;
1313 type = new_type_union(id);
1314 set_type_size_bytes(type, size);
1319 return; /* ignore unknown type */
1322 parse_error(env, "unknown type kind: \"%d\"\n", tpop);
1327 set_type_alignment_bytes(type, align);
1328 set_type_visibility(type, vis);
1329 type->flags = flags;
1331 if (state == layout_fixed)
1332 ARR_APP1(ir_type *, env->fixedtypes, type);
1334 set_id(env, typenr, type);
1337 /** Reads an entity description and remembers it by its id. */
1338 static void import_entity(io_env_t *env)
1340 long entnr = read_long(env);
1341 ident *name = read_ident(env);
1342 ident *ld_name = read_ident_null(env);
1343 long typenr = read_long(env);
1344 long ownertypenr = read_long(env);
1346 ir_type *type = get_type(env, typenr);
1347 ir_type *ownertype = !ownertypenr ? get_glob_type() : get_type(env, ownertypenr);
1348 ir_entity *entity = new_entity(ownertype, name, type);
1350 if (ld_name != NULL)
1351 set_entity_ld_ident(entity, ld_name);
1352 set_entity_offset (entity, (int) read_long(env));
1353 set_entity_offset_bits_remainder(entity, (unsigned char) read_long(env));
1354 set_entity_compiler_generated(entity, (int) read_long(env));
1355 set_entity_allocation (entity, read_allocation(env));
1356 set_entity_visibility (entity, read_visibility(env));
1357 set_entity_variability(entity, read_variability(env));
1358 set_entity_peculiarity(entity, read_peculiarity(env));
1359 set_entity_volatility (entity, read_volatility(env));
1361 if (get_entity_variability(entity) != variability_uninitialized &&
1362 get_entity_visibility(entity) != visibility_external_allocated) {
1364 if (is_compound_entity(entity)) {
1365 char *str = read_word(env);
1366 if (strcmp(str, "initializer") == 0) {
1367 set_entity_initializer(entity, read_initializer(env));
1368 } else if (strcmp(str, "noninitializer") == 0) {
1369 int n = (int) read_long(env);
1371 for (i = 0; i < n; i++) {
1372 ir_entity *member = get_entity(env, read_long(env));
1373 ir_node *irn = get_node_or_dummy(env, read_long(env));
1374 add_compound_ent_value(entity, irn, member);
1377 parse_error(env, "expected 'initializer' or 'noninitializer', got '%s'\n", str);
1381 ir_node *irn = get_node_or_dummy(env, read_long(env));
1382 set_atomic_ent_value(entity, irn);
1386 set_id(env, entnr, entity);
1389 /** Parses the whole type graph. */
1390 static int parse_typegraph(io_env_t *env)
1396 current_ir_graph = get_const_code_irg();
1398 /* parse all types first */
1401 if (env->c == '}') {
1406 kwkind = (keyword_t) read_enum(env, tt_keyword);
1417 parse_error(env, "type graph element not supported yet: %d\n", kwkind);
1425 static int read_node_header(io_env_t *env, long *nodenr, long **preds,
1426 const char **nodename)
1430 *nodename = read_word(env);
1431 *nodenr = read_long(env);
1433 ARR_RESIZE(ir_node *, *preds, 0);
1436 for (numpreds = 0; !feof(env->file); numpreds++) {
1440 if (env->c == ']') {
1444 val = read_long(env);
1445 ARR_APP1(long, *preds, val);
1451 /** Parses an IRG. */
1452 static int parse_graph(io_env_t *env, ir_graph *irg)
1454 long *preds = NEW_ARR_F(long, 16);
1455 ir_node **prednodes = NEW_ARR_F(ir_node *, 16);
1456 int i, numpreds, ret = 1;
1458 const char *nodename;
1459 ir_node *node, *newnode;
1461 current_ir_graph = irg;
1467 if (env->c == '}') {
1472 numpreds = read_node_header(env, &nodenr, &preds, &nodename);
1473 if (numpreds == -1) break; /* end-of-graph */
1475 parse_error(env, "node %s %ld is missing predecessors!",
1481 ARR_RESIZE(ir_node *, prednodes, numpreds);
1482 for (i = 0; i < numpreds - 1; i++)
1483 prednodes[i] = get_node_or_dummy(env, preds[i + 1]);
1485 node = get_node_or_null(env, nodenr);
1490 switch (symbol(nodename, tt_iro)) {
1493 ir_node *newendblock = get_node(env, preds[0]);
1494 newnode = get_irg_end(current_ir_graph);
1495 exchange(get_nodes_block(newnode), newendblock);
1496 for (i = 0; i < numpreds - 1; i++)
1497 add_irn_n(newnode, prednodes[i]);
1503 ir_node *newstartblock = get_node(env, preds[0]);
1504 newnode = get_irg_start(current_ir_graph);
1505 exchange(get_nodes_block(newnode), newstartblock);
1511 if (preds[0] != nodenr) {
1512 parse_error(env, "invalid block: preds[0] != nodenr (%ld != %ld)\n",
1518 newnode = new_Block(numpreds - 1, prednodes);
1523 newnode = current_ir_graph->anchor;
1524 for (i = 0; i < numpreds - 1; i++)
1525 set_irn_n(newnode, i, prednodes[i]);
1526 set_irn_n(newnode, -1, get_node(env, preds[0]));
1531 long entnr = read_long(env);
1532 union symconst_symbol sym;
1533 sym.entity_p = get_entity(env, entnr);
1534 newnode = new_SymConst(mode_P, sym, symconst_addr_ent);
1538 #include "gen_irio_import.inl"
1548 parse_error(env, "node type not supported yet: %s\n", nodename);
1553 exchange(node, newnode);
1554 /* Always update hash entry to avoid more uses of id nodes */
1555 set_id(env, nodenr, newnode);
1560 DEL_ARR_F(prednodes);
1565 static int parse_modes(io_env_t *env)
1573 if (env->c == '}') {
1578 kwkind = (keyword_t) read_enum(env, tt_keyword);
1581 const char *name = read_quoted_string(env);
1582 ir_mode_sort sort = read_enum(env, tt_mode_sort);
1583 int size = read_long(env);
1584 int sign = read_long(env);
1585 ir_mode_arithmetic arith = read_mode_arithmetic(env);
1586 unsigned modulo_shift = read_long(env);
1587 int vector_elems = read_long(env);
1590 if (vector_elems != 1) {
1591 panic("no support for import of vector modes yes");
1594 mode = new_ir_mode(name, sort, size, sign, arith, modulo_shift);
1595 if (mode_is_reference(mode)) {
1596 set_reference_mode_signed_eq(mode, read_mode(env));
1597 set_reference_mode_unsigned_eq(mode, read_mode(env));
1610 static int parse_program(io_env_t *env)
1618 if (env->c == '}') {
1623 kwkind = (keyword_t) read_enum(env, tt_keyword);
1625 case kw_segment_type: {
1626 ir_segment_t segment = (ir_segment_t) read_enum(env, tt_segment);
1627 ir_type *type = read_type(env);
1628 set_segment_type(segment, type);
1632 parse_error(env, "unexpected keyword %d\n", kwkind);
1639 void ir_import(const char *filename)
1641 FILE *file = fopen(filename, "rt");
1647 ir_import_file(file, filename);
1652 void ir_import_file(FILE *input, const char *inputname)
1654 int oldoptimize = get_optimize();
1655 firm_verification_t oldver = get_node_verification_mode();
1657 io_env_t *env = &ioenv;
1662 memset(env, 0, sizeof(*env));
1663 obstack_init(&env->obst);
1664 env->idset = new_set(id_cmp, 128);
1665 env->fixedtypes = NEW_ARR_F(ir_type *, 0);
1666 env->inputname = inputname;
1670 /* read first character */
1674 do_node_verification(FIRM_VERIFICATION_OFF);
1683 kw = read_enum(env, tt_keyword);
1686 if (!parse_modes(env)) goto end;
1690 if (!parse_typegraph(env)) goto end;
1695 ir_entity *irgent = get_entity(env, read_long(env));
1697 ir_graph *irg = new_ir_graph(irgent, 0);
1698 set_irg_frame_type(irg, get_type(env, read_long(env)));
1699 valuetypeid = read_long(env);
1700 if (valuetypeid != -1)
1701 set_method_value_param_type(get_entity_type(irgent),
1702 get_type(env, valuetypeid));
1704 if (!parse_graph(env, irg)) goto end;
1709 ir_graph *constirg = get_const_code_irg();
1710 long bodyblockid = read_long(env);
1711 set_id(env, bodyblockid, constirg->current_block);
1712 if (!parse_graph(env, constirg)) goto end;
1721 parse_error(env, "Unexpected keyword %d at toplevel\n", kw);
1728 n = ARR_LEN(env->fixedtypes);
1729 for (i = 0; i < n; i++)
1730 set_type_state(env->fixedtypes[i], layout_fixed);
1732 DEL_ARR_F(env->fixedtypes);
1734 del_set(env->idset);
1736 irp_finalize_cons();
1738 do_node_verification(oldver);
1739 set_optimize(oldoptimize);
1741 obstack_free(&env->obst, NULL);