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,
82 typedef enum keyword_t
95 typedef struct symbol_t
97 const char *str; /**< The name of this symbol. */
98 typetag_t typetag; /**< The type tag of this symbol. */
99 unsigned code; /**< The value of this symbol. */
102 typedef struct id_entry
108 /** The symbol table, a set of symbol_t elements. */
112 * Compare two symbol table entries.
114 static int symbol_cmp(const void *elt, const void *key, size_t size)
117 const symbol_t *entry = (const symbol_t *) elt;
118 const symbol_t *keyentry = (const symbol_t *) key;
120 res = entry->typetag - keyentry->typetag;
122 return strcmp(entry->str, keyentry->str);
125 static int id_cmp(const void *elt, const void *key, size_t size)
127 const id_entry *entry = (const id_entry *) elt;
128 const id_entry *keyentry = (const id_entry *) key;
130 return entry->id - keyentry->id;
133 static void __attribute__((format(printf, 2, 3)))
134 parse_error(io_env_t *env, const char *fmt, ...)
137 int line = env->line;
139 /* workaround read_c "feature" that a '\n' triggers the line++
140 * instead of the character after the '\n' */
141 if (env->c == '\n') {
145 fprintf(stderr, "%s:%d: error ", env->inputname, line);
148 vfprintf(stderr, fmt, ap);
152 /** Initializes the symbol table. May be called more than once without problems. */
153 static void symtbl_init(void)
157 /* Only initialize once */
161 symtbl = new_set(symbol_cmp, 256);
163 #define INSERT(tt, s, cod) \
165 key.typetag = (tt); \
167 set_insert(symtbl, &key, sizeof(key), firm_fnv_hash_str(s) + tt * 17)
169 #define INSERTENUM(tt, e) INSERT(tt, #e, e)
170 #define INSERTKEYWORD(k) INSERT(tt_keyword, #k, kw_##k)
172 INSERT(tt_tpo, "array", tpo_array);
173 INSERT(tt_tpo, "class", tpo_class);
174 INSERT(tt_tpo, "method", tpo_method);
175 INSERT(tt_tpo, "pointer", tpo_pointer);
176 INSERT(tt_tpo, "primitive", tpo_primitive);
177 INSERT(tt_tpo, "struct", tpo_struct);
178 INSERT(tt_tpo, "union", tpo_union);
179 INSERT(tt_tpo, "Unknown", tpo_unknown);
181 INSERT(tt_mode_sort, "auxiliary", irms_auxiliary);
182 INSERT(tt_mode_sort, "control_flow", irms_control_flow);
183 INSERT(tt_mode_sort, "memory", irms_memory);
184 INSERT(tt_mode_sort, "internal_boolean", irms_internal_boolean);
185 INSERT(tt_mode_sort, "reference", irms_reference);
186 INSERT(tt_mode_sort, "int_number", irms_int_number);
187 INSERT(tt_mode_sort, "float_number", irms_float_number);
189 INSERT(tt_segment, "global", IR_SEGMENT_GLOBAL);
190 INSERT(tt_segment, "thread_local", IR_SEGMENT_THREAD_LOCAL);
191 INSERT(tt_segment, "constructors", IR_SEGMENT_CONSTRUCTORS);
192 INSERT(tt_segment, "destructors", IR_SEGMENT_DESTRUCTORS);
194 INSERT(tt_linkage, "constant", IR_LINKAGE_CONSTANT);
195 INSERT(tt_linkage, "weak", IR_LINKAGE_WEAK);
196 INSERT(tt_linkage, "local", IR_LINKAGE_LOCAL);
197 INSERT(tt_linkage, "extern", IR_LINKAGE_EXTERN);
198 INSERT(tt_linkage, "garbage_collect", IR_LINKAGE_GARBAGE_COLLECT);
199 INSERT(tt_linkage, "merge", IR_LINKAGE_MERGE);
200 INSERT(tt_linkage, "hidden_user", IR_LINKAGE_HIDDEN_USER);
202 INSERTKEYWORD(constirg);
203 INSERTKEYWORD(entity);
206 INSERTKEYWORD(modes);
208 INSERTKEYWORD(typegraph);
209 INSERTKEYWORD(program);
210 INSERTKEYWORD(segment_type);
212 #include "gen_irio_lex.inl"
214 INSERTENUM(tt_align, align_non_aligned);
215 INSERTENUM(tt_align, align_is_aligned);
217 INSERTENUM(tt_builtin, ir_bk_trap);
218 INSERTENUM(tt_builtin, ir_bk_debugbreak);
219 INSERTENUM(tt_builtin, ir_bk_return_address);
220 INSERTENUM(tt_builtin, ir_bk_frame_address);
221 INSERTENUM(tt_builtin, ir_bk_prefetch);
222 INSERTENUM(tt_builtin, ir_bk_ffs);
223 INSERTENUM(tt_builtin, ir_bk_clz);
224 INSERTENUM(tt_builtin, ir_bk_ctz);
225 INSERTENUM(tt_builtin, ir_bk_popcount);
226 INSERTENUM(tt_builtin, ir_bk_parity);
227 INSERTENUM(tt_builtin, ir_bk_bswap);
228 INSERTENUM(tt_builtin, ir_bk_inport);
229 INSERTENUM(tt_builtin, ir_bk_outport);
230 INSERTENUM(tt_builtin, ir_bk_inner_trampoline);
232 INSERTENUM(tt_cond_jmp_predicate, COND_JMP_PRED_NONE);
233 INSERTENUM(tt_cond_jmp_predicate, COND_JMP_PRED_TRUE);
234 INSERTENUM(tt_cond_jmp_predicate, COND_JMP_PRED_FALSE);
236 INSERTENUM(tt_initializer, IR_INITIALIZER_CONST);
237 INSERTENUM(tt_initializer, IR_INITIALIZER_TARVAL);
238 INSERTENUM(tt_initializer, IR_INITIALIZER_NULL);
239 INSERTENUM(tt_initializer, IR_INITIALIZER_COMPOUND);
241 INSERTENUM(tt_mode_arithmetic, irma_uninitialized);
242 INSERTENUM(tt_mode_arithmetic, irma_none);
243 INSERTENUM(tt_mode_arithmetic, irma_twos_complement);
244 INSERTENUM(tt_mode_arithmetic, irma_ones_complement);
245 INSERTENUM(tt_mode_arithmetic, irma_int_BCD);
246 INSERTENUM(tt_mode_arithmetic, irma_ieee754);
247 INSERTENUM(tt_mode_arithmetic, irma_float_BCD);
249 INSERTENUM(tt_pin_state, op_pin_state_floats);
250 INSERTENUM(tt_pin_state, op_pin_state_pinned);
251 INSERTENUM(tt_pin_state, op_pin_state_exc_pinned);
252 INSERTENUM(tt_pin_state, op_pin_state_mem_pinned);
254 INSERTENUM(tt_type_state, layout_undefined);
255 INSERTENUM(tt_type_state, layout_fixed);
257 INSERTENUM(tt_volatility, volatility_non_volatile);
258 INSERTENUM(tt_volatility, volatility_is_volatile);
265 static const char *get_segment_name(ir_segment_t segment)
268 case IR_SEGMENT_GLOBAL: return "global";
269 case IR_SEGMENT_THREAD_LOCAL: return "thread_local";
270 case IR_SEGMENT_CONSTRUCTORS: return "constructors";
271 case IR_SEGMENT_DESTRUCTORS: return "destructors";
273 return "INVALID_SEGMENT";
276 /** Returns the according symbol value for the given string and tag, or SYMERROR if none was found. */
277 static unsigned symbol(const char *str, typetag_t typetag)
279 symbol_t key, *entry;
282 key.typetag = typetag;
284 entry = set_find(symtbl, &key, sizeof(key), firm_fnv_hash_str(str) + typetag * 17);
285 return entry ? entry->code : SYMERROR;
288 static void *get_id(io_env_t *env, long id)
290 id_entry key, *entry;
293 entry = set_find(env->idset, &key, sizeof(key), (unsigned) id);
294 return entry ? entry->elem : NULL;
297 static void set_id(io_env_t *env, long id, void *elem)
302 set_insert(env->idset, &key, sizeof(key), (unsigned) id);
305 static void write_mode(io_env_t *env, ir_mode *mode)
307 fputs(get_mode_name(mode), env->file);
308 fputc(' ', env->file);
311 static void write_tarval(io_env_t *env, tarval *tv)
314 write_mode(env, get_tarval_mode(tv));
315 tarval_snprintf(buf, sizeof(buf), tv);
316 fputs(buf, env->file);
317 fputc(' ', env->file);
320 static void write_align(io_env_t *env, ir_node *irn)
325 align = get_Load_align(irn);
326 else if (is_Store(irn))
327 align = get_Store_align(irn);
329 panic("Invalid optype for write_align");
331 fputs(get_align_name(align), env->file);
332 fputc(' ', env->file);
335 static void write_builtin_kind(io_env_t *env, ir_node *irn)
337 fputs(get_builtin_kind_name(get_Builtin_kind(irn)), env->file);
338 fputc(' ', env->file);
341 static void write_cond_jmp_predicate(io_env_t *env, ir_node *irn)
343 fputs(get_cond_jmp_predicate_name(get_Cond_jmp_pred(irn)), env->file);
344 fputc(' ', env->file);
347 static void write_initializer(io_env_t *env, ir_initializer_t *ini)
350 ir_initializer_kind_t ini_kind = get_initializer_kind(ini);
352 fputs(get_initializer_kind_name(ini_kind), f);
356 case IR_INITIALIZER_CONST:
357 fprintf(f, "%ld ", get_irn_node_nr(get_initializer_const_value(ini)));
360 case IR_INITIALIZER_TARVAL:
361 write_tarval(env, get_initializer_tarval_value(ini));
364 case IR_INITIALIZER_NULL:
367 case IR_INITIALIZER_COMPOUND: {
368 unsigned i, n = get_initializer_compound_n_entries(ini);
369 fprintf(f, "%d ", n);
370 for (i = 0; i < n; i++)
371 write_initializer(env, get_initializer_compound_value(ini, i));
376 panic("Unknown initializer kind");
380 static void write_pin_state(io_env_t *env, ir_node *irn)
382 fputs(get_op_pin_state_name(get_irn_pinned(irn)), env->file);
383 fputc(' ', env->file);
386 static void write_volatility(io_env_t *env, ir_node *irn)
391 vol = get_Load_volatility(irn);
392 else if (is_Store(irn))
393 vol = get_Store_volatility(irn);
395 panic("Invalid optype for write_volatility");
397 fputs(get_volatility_name(vol), env->file);
398 fputc(' ', env->file);
401 static void export_type_common(io_env_t *env, ir_type *tp)
403 fprintf(env->file, "\ttype %ld %s %u %u %s %d ",
405 get_type_tpop_name(tp),
406 get_type_size_bytes(tp),
407 get_type_alignment_bytes(tp),
408 get_type_state_name(get_type_state(tp)),
412 static void export_compound_name(FILE *f, const ir_type *tp)
414 ident *name = get_compound_ident(tp);
418 fprintf(f, "\"%s\" ", get_id_str(name));
422 static void export_type_pre(io_env_t *env, ir_type *tp)
426 /* skip types to be handled by post walker */
427 switch (get_type_tpop_code(tp)) {
436 export_type_common(env, tp);
438 switch (get_type_tpop_code(tp)) {
439 case tpo_uninitialized:
440 panic("invalid type found");
443 export_compound_name(f, tp);
447 write_mode(env, get_type_mode(tp));
452 case tpo_enumeration:
453 export_compound_name(f, tp);
467 static void export_type_post(io_env_t *env, ir_type *tp)
472 /* skip types already handled by pre walker */
473 switch (get_type_tpop_code(tp)) {
479 case tpo_uninitialized:
486 case tpo_enumeration:
490 export_type_common(env, tp);
492 switch (get_type_tpop_code(tp)) {
494 int n = get_array_n_dimensions(tp);
495 fprintf(f, "%d %ld ", n, get_type_nr(get_array_element_type(tp)));
496 for (i = 0; i < n; i++) {
497 ir_node *lower = get_array_lower_bound(tp, i);
498 ir_node *upper = get_array_upper_bound(tp, i);
501 fprintf(f, "%ld ", get_tarval_long(get_Const_tarval(lower)));
503 panic("Lower array bound is not constant");
506 fprintf(f, "%ld ", get_tarval_long(get_Const_tarval(upper)));
507 else if (is_Unknown(upper))
508 fputs("unknown ", f);
510 panic("Upper array bound is not constant");
516 int nparams = get_method_n_params(tp);
517 int nresults = get_method_n_ress(tp);
518 fprintf(f, "%u %u %d %d ", get_method_calling_convention(tp),
519 get_method_additional_properties(tp), nparams, nresults);
520 for (i = 0; i < nparams; i++)
521 fprintf(f, "%ld ", get_type_nr(get_method_param_type(tp, i)));
522 for (i = 0; i < nresults; i++)
523 fprintf(f, "%ld ", get_type_nr(get_method_res_type(tp, i)));
524 fprintf(f, "%d ", get_method_first_variadic_param_index(tp));
529 write_mode(env, get_type_mode(tp));
530 fprintf(f, "%ld ", get_type_nr(get_pointer_points_to_type(tp)));
533 case tpo_enumeration:
534 fprintf(stderr, "Enumeration type not handled yet by exporter\n");
538 printf("export_type: Unknown type code \"%s\".\n",
539 get_type_tpop_name(tp));
545 static void export_entity(io_env_t *env, ir_entity *ent)
547 ir_type *owner = get_entity_owner(ent);
549 /* we don't dump array_element_ent entities. They're a strange concept
550 * and lead to cycles in type_graph.
552 if (is_Array_type(owner))
555 fprintf(env->file, "\tentity %ld \"%s\" ",
556 get_entity_nr(ent), get_entity_name(ent));
557 if (ent->ld_name != NULL) {
558 fprintf(env->file, "\"%s\" ", get_entity_ld_name(ent));
560 fprintf(env->file, "NULL ");
563 fprintf(env->file, "%ld %ld %d %u %d %s ",
564 get_type_nr(get_entity_type(ent)),
566 get_entity_offset(ent),
567 (unsigned) get_entity_offset_bits_remainder(ent),
568 is_entity_compiler_generated(ent),
569 get_volatility_name(get_entity_volatility(ent)));
571 /* TODO: inheritance stuff for class entities not supported yet */
572 if (is_Class_type(owner) && owner != get_glob_type())
573 fprintf(stderr, "Inheritance of class entities not supported yet!\n");
575 if (ent->initializer != NULL) {
576 fputs("initializer ", env->file);
577 write_initializer(env, get_entity_initializer(ent));
578 } else if (entity_has_compound_ent_values(ent)) {
579 int i, n = get_compound_ent_n_values(ent);
580 fputs("compoundgraph ", env->file);
581 fprintf(env->file, "%d ", n);
582 for (i = 0; i < n; i++) {
583 ir_entity *member = get_compound_ent_value_member(ent, i);
584 ir_node *irn = get_compound_ent_value(ent, i);
585 fprintf(env->file, "%ld %ld ", get_entity_nr(member), get_irn_node_nr(irn));
588 fputs("none", env->file);
591 fputc('\n', env->file);
594 static void export_type_or_ent_pre(type_or_ent tore, void *ctx)
596 io_env_t *env = (io_env_t *) ctx;
597 if (get_kind(tore.typ) == k_type)
598 export_type_pre(env, tore.typ);
601 static void export_type_or_ent_post(type_or_ent tore, void *ctx)
603 io_env_t *env = (io_env_t *) ctx;
605 switch (get_kind(tore.ent)) {
607 export_entity(env, tore.ent);
611 export_type_post(env, tore.typ);
615 panic("export_type_or_ent_post: Unknown type or entity.");
621 * Walker: exports every node.
623 static void export_node(ir_node *irn, void *ctx)
625 io_env_t *env = (io_env_t *) ctx;
627 unsigned opcode = get_irn_opcode(irn);
629 if (env->ignoreblocks && opcode == iro_Block)
632 fprintf(env->file, "\t%s %ld [ ", get_irn_opname(irn), get_irn_node_nr(irn));
634 n = get_irn_arity(irn);
635 for (i = -1; i < n; i++) {
636 ir_node *pred = get_irn_n(irn, i);
638 /* Anchor node may have NULL predecessors */
639 assert(is_Anchor(irn));
640 fputs("-1 ", env->file);
642 fprintf(env->file, "%ld ", get_irn_node_nr(pred));
646 fprintf(env->file, "] { ");
649 #include "gen_irio_export.inl"
651 fputs("}\n", env->file);
654 static const char *get_mode_sort_name(ir_mode_sort sort)
657 case irms_auxiliary: return "auxiliary";
658 case irms_control_flow: return "control_flow";
659 case irms_memory: return "memory";
660 case irms_internal_boolean: return "internal_boolean";
661 case irms_reference: return "reference";
662 case irms_int_number: return "int_number";
663 case irms_float_number: return "float_number";
665 panic("invalid mode sort found");
668 static void export_modes(io_env_t *env)
670 int i, n_modes = get_irp_n_modes();
672 fputs("modes {\n", env->file);
674 for (i = 0; i < n_modes; i++) {
675 ir_mode *mode = get_irp_mode(i);
676 switch (get_mode_sort(mode)) {
678 case irms_control_flow:
680 case irms_internal_boolean:
681 /* skip "internal" modes, which may not be user defined */
687 fprintf(env->file, "\tmode \"%s\" %s %d %d %s %d %d ",
688 get_mode_name(mode), get_mode_sort_name(get_mode_sort(mode)),
689 get_mode_size_bits(mode), get_mode_sign(mode),
690 get_mode_arithmetic_name(get_mode_arithmetic(mode)),
691 get_mode_modulo_shift(mode),
692 get_mode_n_vector_elems(mode));
693 if (mode_is_reference(mode)) {
694 write_mode(env, get_reference_mode_signed_eq(mode));
695 write_mode(env, get_reference_mode_unsigned_eq(mode));
697 fputc('\n', env->file);
700 fputs("}\n", env->file);
703 static void export_program(io_env_t *env)
708 fputs("\nprogram {\n", f);
709 if (irp_prog_name_is_set()) {
710 fprintf(f, "\tname \"%s\"\n", get_irp_name());
712 /* We need numbers for irgs... */
714 if (get_irp_main_irg() != NULL) {
715 fprintf(f, "\tmain_irg %d\n", get_irp_main_irg
718 for (s = 0; s <= IR_SEGMENT_LAST; ++s) {
719 ir_type *segment_type = get_segment_type(s);
720 fprintf(f, "\tsegment_type %s", get_segment_name(s));
721 if (segment_type == NULL) {
724 fprintf(f, " %ld\n", get_type_nr(segment_type));
730 void ir_export(const char *filename)
732 FILE *file = fopen(filename, "wt");
738 ir_export_file(file, filename);
742 /* Exports the whole irp to the given file in a textual form. */
743 void ir_export_file(FILE *file, const char *outputname)
746 int i, n_irgs = get_irp_n_irgs();
753 fputs("\ntypegraph {\n", env.file);
754 type_walk_prog(export_type_or_ent_pre, export_type_or_ent_post, &env);
755 fputs("}\n", env.file);
757 for (i = 0; i < n_irgs; i++) {
758 ir_graph *irg = get_irp_irg(i);
759 ir_type *valuetype = get_irg_value_param_type(irg);
761 fprintf(env.file, "\nirg %ld %ld %ld {\n",
762 get_entity_nr(get_irg_entity(irg)),
763 get_type_nr(get_irg_frame_type(irg)),
764 valuetype == NULL ? -1 : get_type_nr(valuetype));
766 env.ignoreblocks = 0;
767 irg_block_walk_graph(irg, NULL, export_node, &env);
769 env.ignoreblocks = 1;
770 irg_walk_anchors(irg, NULL, export_node, &env);
772 fputs("}\n", env.file);
775 fprintf(env.file, "\nconstirg %ld {\n", get_irn_node_nr(get_const_code_irg()->current_block));
777 walk_const_code(NULL, export_node, &env);
778 fputs("}\n", env.file);
780 export_program(&env);
783 /* Exports the given irg to the given file. */
784 void ir_export_irg(ir_graph *irg, FILE *file, const char *outputname)
793 fputs("typegraph {\n", env.file);
795 type_walk_irg(irg, export_type_or_ent_pre, export_type_or_ent_post, &env);
797 fprintf(env.file, "}\n\nirg %ld {\n", get_entity_nr(get_irg_entity(irg)));
799 env.ignoreblocks = 0;
800 irg_block_walk_graph(irg, NULL, export_node, &env);
802 env.ignoreblocks = 1;
803 irg_walk_anchors(irg, NULL, export_node, &env);
805 /* TODO: Only output needed constants */
806 fprintf(env.file, "}\n\nconstirg %ld {\n", get_irn_node_nr(get_const_code_irg()->current_block));
807 walk_const_code(NULL, export_node, &env);
808 fputs("}\n", env.file);
811 static void read_c(io_env_t *env)
813 int c = fgetc(env->file);
819 /** Returns the first non-whitespace character or EOF. **/
820 static void skip_ws(io_env_t *env)
837 static void skip_to(io_env_t *env, char to_ch)
839 while (env->c != to_ch && env->c != EOF) {
844 static int expect_char(io_env_t *env, char ch)
848 parse_error(env, "Unexpected char '%c', expected '%c'\n",
856 #define EXPECT(c) if (expect_char(env, (c))) {} else return 0
858 static char *read_word(io_env_t *env)
862 assert(obstack_object_size(&env->obst) == 0);
874 obstack_1grow(&env->obst, c);
881 obstack_1grow(&env->obst, '\0');
882 return obstack_finish(&env->obst);
885 static char *read_quoted_string(io_env_t *env)
888 if (env->c != '\"') {
889 parse_error(env, "Expected '\"', found '%c'\n", env->c);
894 assert(obstack_object_size(&env->obst) == 0);
898 parse_error(env, "Unexpected end of quoted string!\n");
905 obstack_1grow(&env->obst, ch);
908 obstack_1grow(&env->obst, '\0');
910 return obstack_finish(&env->obst);
913 static ident *read_ident(io_env_t *env)
915 char *str = read_quoted_string(env);
916 ident *res = new_id_from_str(str);
917 obstack_free(&env->obst, str);
923 * reads a "quoted string" or alternatively the token NULL
925 static char *read_quoted_string_null(io_env_t *env)
929 char *str = read_word(env);
930 if (strcmp(str, "NULL") == 0) {
931 obstack_free(&env->obst, str);
934 } else if (env->c == '"') {
935 return read_quoted_string(env);
938 parse_error(env, "Expected \"string\" or NULL\n");
942 static ident *read_ident_null(io_env_t *env)
945 char *str = read_quoted_string_null(env);
949 res = new_id_from_str(str);
950 obstack_free(&env->obst, str);
954 static long read_long(io_env_t *env)
960 if (!isdigit(env->c) && env->c != '-') {
961 parse_error(env, "Expected number, got '%c'\n", env->c);
965 assert(obstack_object_size(&env->obst) == 0);
967 obstack_1grow(&env->obst, env->c);
969 } while(isdigit(env->c));
970 obstack_1grow(&env->obst, 0);
972 str = obstack_finish(&env->obst);
974 obstack_free(&env->obst, str);
979 static ir_node *get_node_or_null(io_env_t *env, long nodenr)
981 ir_node *node = (ir_node *) get_id(env, nodenr);
982 if (node && node->kind != k_ir_node) {
983 panic("Irn ID %ld collides with something else in line %d\n",
989 static ir_node *get_node(io_env_t *env, long nodenr)
991 ir_node *node = get_node_or_null(env, nodenr);
993 panic("Unknown node: %ld in line %d\n", nodenr, env->line);
998 static ir_node *get_node_or_dummy(io_env_t *env, long nodenr)
1000 ir_node *node = get_node_or_null(env, nodenr);
1002 node = new_Dummy(mode_X);
1003 set_id(env, nodenr, node);
1008 static ir_type *get_type(io_env_t *env, long typenr)
1010 ir_type *type = (ir_type *) get_id(env, typenr);
1012 panic("unknown type: %ld in line %d\n", typenr, env->line);
1013 else if (type->kind != k_type)
1014 panic("type ID %ld collides with something else in line %d\n",
1019 static ir_type *read_type(io_env_t *env)
1021 return get_type(env, read_long(env));
1024 static ir_entity *get_entity(io_env_t *env, long entnr)
1026 ir_entity *entity = (ir_entity *) get_id(env, entnr);
1027 if (entity == NULL) {
1028 parse_error(env, "unknown entity: %ld\n", entnr);
1030 } else if (entity->kind != k_entity) {
1031 panic("Entity ID %ld collides with something else in line %d\n",
1038 static ir_entity *read_entity(io_env_t *env)
1040 return get_entity(env, read_long(env));
1043 static ir_mode *read_mode(io_env_t *env)
1045 char *str = read_word(env);
1048 n = get_irp_n_modes();
1049 for (i = 0; i < n; i++) {
1050 ir_mode *mode = get_irp_mode(i);
1051 if (strcmp(str, get_mode_name(mode)) == 0) {
1052 obstack_free(&env->obst, str);
1057 parse_error(env, "unknown mode \"%s\"\n", str);
1061 static const char *get_typetag_name(typetag_t typetag)
1064 case tt_align: return "align";
1065 case tt_allocation: return "allocation";
1066 case tt_builtin: return "builtin kind";
1067 case tt_cond_jmp_predicate: return "cond_jmp_predicate";
1068 case tt_initializer: return "initializer kind";
1069 case tt_iro: return "opcode";
1070 case tt_keyword: return "keyword";
1071 case tt_linkage: return "linkage";
1072 case tt_mode_arithmetic: return "mode_arithmetic";
1073 case tt_mode_sort: return "mode_sort";
1074 case tt_pin_state: return "pin state";
1075 case tt_segment: return "segment";
1076 case tt_tpo: return "type";
1077 case tt_type_state: return "type state";
1078 case tt_volatility: return "volatility";
1084 * Read and decode an enum constant.
1086 static unsigned read_enum(io_env_t *env, typetag_t typetag)
1088 char *str = read_word(env);
1089 unsigned code = symbol(str, typetag);
1091 if (code != SYMERROR) {
1092 obstack_free(&env->obst, str);
1096 parse_error(env, "invalid %s: \"%s\"\n", get_typetag_name(typetag), str);
1100 #define read_align(env) ((ir_align) read_enum(env, tt_align))
1101 #define read_allocation(env) ((ir_allocation) read_enum(env, tt_allocation))
1102 #define read_builtin_kind(env) ((ir_builtin_kind) read_enum(env, tt_builtin))
1103 #define read_cond_jmp_predicate(env) ((cond_jmp_predicate) read_enum(env, tt_cond_jmp_predicate))
1104 #define read_initializer_kind(env) ((ir_initializer_kind_t) read_enum(env, tt_initializer))
1105 #define read_mode_arithmetic(env) ((ir_mode_arithmetic) read_enum(env, tt_mode_arithmetic))
1106 #define read_peculiarity(env) ((ir_peculiarity) read_enum(env, tt_peculiarity))
1107 #define read_pin_state(env) ((op_pin_state) read_enum(env, tt_pin_state))
1108 #define read_type_state(env) ((ir_type_state) read_enum(env, tt_type_state))
1109 #define read_variability(env) ((ir_variability) read_enum(env, tt_variability))
1110 #define read_volatility(env) ((ir_volatility) read_enum(env, tt_volatility))
1112 static ir_cons_flags get_cons_flags(io_env_t *env)
1114 ir_cons_flags flags = cons_none;
1116 op_pin_state pinstate = read_pin_state(env);
1118 case op_pin_state_floats: flags |= cons_floats; break;
1119 case op_pin_state_pinned: break;
1121 panic("Error in %d: Invalid pinstate: %s", env->line,
1122 get_op_pin_state_name(pinstate));
1125 if (read_volatility(env) == volatility_is_volatile)
1126 flags |= cons_volatile;
1127 if (read_align(env) == align_non_aligned)
1128 flags |= cons_unaligned;
1133 static tarval *read_tv(io_env_t *env)
1135 ir_mode *tvmode = read_mode(env);
1136 char *str = read_word(env);
1137 tarval *tv = new_tarval_from_str(str, strlen(str), tvmode);
1138 obstack_free(&env->obst, str);
1143 static ir_initializer_t *read_initializer(io_env_t *env)
1145 ir_initializer_kind_t ini_kind = read_initializer_kind(env);
1148 case IR_INITIALIZER_CONST: {
1149 ir_node *irn = get_node_or_dummy(env, read_long(env));
1150 return create_initializer_const(irn);
1153 case IR_INITIALIZER_TARVAL:
1154 return create_initializer_tarval(read_tv(env));
1156 case IR_INITIALIZER_NULL:
1157 return get_initializer_null();
1159 case IR_INITIALIZER_COMPOUND: {
1160 unsigned i, n = (unsigned) read_long(env);
1161 ir_initializer_t *ini = create_initializer_compound(n);
1162 for (i = 0; i < n; i++) {
1163 ir_initializer_t *curini = read_initializer(env);
1164 set_initializer_compound_value(ini, i, curini);
1170 panic("Unknown initializer kind");
1175 /** Reads a type description and remembers it by its id. */
1176 static void import_type(io_env_t *env)
1180 long typenr = read_long(env);
1181 tp_opcode tpop = (tp_opcode) read_enum(env, tt_tpo);
1182 unsigned size = (unsigned) read_long(env);
1183 unsigned align = (unsigned) read_long(env);
1184 ir_type_state state = read_type_state(env);
1185 unsigned flags = (unsigned) read_long(env);
1189 int ndims = (int) read_long(env);
1190 long elemtypenr = read_long(env);
1191 ir_type *elemtype = get_type(env, elemtypenr);
1193 type = new_type_array(ndims, elemtype);
1194 for (i = 0; i < ndims; i++) {
1195 char *str = read_word(env);
1196 if (strcmp(str, "unknown") != 0) {
1197 long lowerbound = atol(str);
1198 set_array_lower_bound_int(type, i, lowerbound);
1200 obstack_free(&env->obst, str);
1202 str = read_word(env);
1203 if (strcmp(str, "unknown") != 0) {
1204 long upperbound = atol(str);
1205 set_array_upper_bound_int(type, i, upperbound);
1207 obstack_free(&env->obst, str);
1209 set_type_size_bytes(type, size);
1214 const char *name = read_quoted_string_null(env);
1215 ident *id = name != NULL ? new_id_from_str(name) : NULL;
1217 if(typenr == (long) IR_SEGMENT_GLOBAL)
1218 type = get_glob_type();
1220 type = new_type_class(id);
1221 set_type_size_bytes(type, size);
1226 unsigned callingconv = (unsigned) read_long(env);
1227 unsigned addprops = (unsigned) read_long(env);
1228 int nparams = (int) read_long(env);
1229 int nresults = (int) read_long(env);
1232 type = new_type_method(nparams, nresults);
1234 for (i = 0; i < nparams; i++) {
1235 long typenr = read_long(env);
1236 ir_type *paramtype = get_type(env, typenr);
1238 set_method_param_type(type, i, paramtype);
1240 for (i = 0; i < nresults; i++) {
1241 long typenr = read_long(env);
1242 ir_type *restype = get_type(env, typenr);
1244 set_method_res_type(type, i, restype);
1247 variaindex = (int) read_long(env);
1248 if (variaindex != -1) {
1249 set_method_variadicity(type, variadicity_variadic);
1250 if (variaindex != nparams)
1251 set_method_first_variadic_param_index(type, variaindex);
1254 set_method_calling_convention(type, callingconv);
1255 set_method_additional_properties(type, addprops);
1260 ir_mode *mode = read_mode(env);
1261 ir_type *pointsto = get_type(env, read_long(env));
1262 type = new_type_pointer(pointsto);
1263 set_type_mode(type, mode);
1267 case tpo_primitive: {
1268 ir_mode *mode = read_mode(env);
1269 type = new_type_primitive(mode);
1274 const char *name = read_quoted_string_null(env);
1275 ident *id = name != NULL ? new_id_from_str(name) : NULL;
1276 type = new_type_struct(id);
1277 set_type_size_bytes(type, size);
1282 const char *name = read_quoted_string_null(env);
1283 ident *id = name != NULL ? new_id_from_str(name) : NULL;
1285 type = new_type_union(id);
1286 set_type_size_bytes(type, size);
1291 return; /* ignore unknown type */
1294 parse_error(env, "unknown type kind: \"%d\"\n", tpop);
1299 set_type_alignment_bytes(type, align);
1300 type->flags = flags;
1302 if (state == layout_fixed)
1303 ARR_APP1(ir_type *, env->fixedtypes, type);
1305 set_id(env, typenr, type);
1308 /** Reads an entity description and remembers it by its id. */
1309 static void import_entity(io_env_t *env)
1311 long entnr = read_long(env);
1312 ident *name = read_ident(env);
1313 ident *ld_name = read_ident_null(env);
1314 long typenr = read_long(env);
1315 long ownertypenr = read_long(env);
1318 ir_type *type = get_type(env, typenr);
1319 ir_type *ownertype = !ownertypenr ? get_glob_type() : get_type(env, ownertypenr);
1320 ir_entity *entity = new_entity(ownertype, name, type);
1322 if (ld_name != NULL)
1323 set_entity_ld_ident(entity, ld_name);
1324 set_entity_offset (entity, (int) read_long(env));
1325 set_entity_offset_bits_remainder(entity, (unsigned char) read_long(env));
1326 set_entity_compiler_generated(entity, (int) read_long(env));
1327 set_entity_volatility (entity, read_volatility(env));
1328 /* TODO: read/write linkage */
1330 str = read_word(env);
1331 if (strcmp(str, "initializer") == 0) {
1332 set_entity_initializer(entity, read_initializer(env));
1333 } else if (strcmp(str, "compoundgraph") == 0) {
1334 int n = (int) read_long(env);
1336 for (i = 0; i < n; i++) {
1337 ir_entity *member = get_entity(env, read_long(env));
1338 ir_node *irn = get_node_or_dummy(env, read_long(env));
1339 add_compound_ent_value(entity, irn, member);
1341 } else if (strcmp(str, "none") == 0) {
1344 parse_error(env, "expected 'initializer', 'compoundgraph' or 'none' got '%s'\n", str);
1348 set_id(env, entnr, entity);
1351 /** Parses the whole type graph. */
1352 static int parse_typegraph(io_env_t *env)
1358 current_ir_graph = get_const_code_irg();
1360 /* parse all types first */
1363 if (env->c == '}') {
1368 kwkind = (keyword_t) read_enum(env, tt_keyword);
1379 parse_error(env, "type graph element not supported yet: %d\n", kwkind);
1387 static int read_node_header(io_env_t *env, long *nodenr, long **preds,
1388 const char **nodename)
1392 *nodename = read_word(env);
1393 *nodenr = read_long(env);
1395 ARR_RESIZE(ir_node *, *preds, 0);
1398 for (numpreds = 0; !feof(env->file); numpreds++) {
1402 if (env->c == ']') {
1406 val = read_long(env);
1407 ARR_APP1(long, *preds, val);
1413 /** Parses an IRG. */
1414 static int parse_graph(io_env_t *env, ir_graph *irg)
1416 long *preds = NEW_ARR_F(long, 16);
1417 ir_node **prednodes = NEW_ARR_F(ir_node *, 16);
1418 int i, numpreds, ret = 1;
1420 const char *nodename;
1421 ir_node *node, *newnode;
1423 current_ir_graph = irg;
1429 if (env->c == '}') {
1434 numpreds = read_node_header(env, &nodenr, &preds, &nodename);
1435 if (numpreds == -1) break; /* end-of-graph */
1437 parse_error(env, "node %s %ld is missing predecessors!",
1443 ARR_RESIZE(ir_node *, prednodes, numpreds);
1444 for (i = 0; i < numpreds - 1; i++)
1445 prednodes[i] = get_node_or_dummy(env, preds[i + 1]);
1447 node = get_node_or_null(env, nodenr);
1452 switch (symbol(nodename, tt_iro)) {
1455 ir_node *newendblock = get_node(env, preds[0]);
1456 newnode = get_irg_end(current_ir_graph);
1457 exchange(get_nodes_block(newnode), newendblock);
1458 for (i = 0; i < numpreds - 1; i++)
1459 add_irn_n(newnode, prednodes[i]);
1465 ir_node *newstartblock = get_node(env, preds[0]);
1466 newnode = get_irg_start(current_ir_graph);
1467 exchange(get_nodes_block(newnode), newstartblock);
1473 if (preds[0] != nodenr) {
1474 parse_error(env, "invalid block: preds[0] != nodenr (%ld != %ld)\n",
1480 newnode = new_Block(numpreds - 1, prednodes);
1485 newnode = current_ir_graph->anchor;
1486 for (i = 0; i < numpreds - 1; i++)
1487 set_irn_n(newnode, i, prednodes[i]);
1488 set_irn_n(newnode, -1, get_node(env, preds[0]));
1493 long entnr = read_long(env);
1494 union symconst_symbol sym;
1495 sym.entity_p = get_entity(env, entnr);
1496 newnode = new_SymConst(mode_P, sym, symconst_addr_ent);
1500 #include "gen_irio_import.inl"
1510 parse_error(env, "node type not supported yet: %s\n", nodename);
1515 exchange(node, newnode);
1516 /* Always update hash entry to avoid more uses of id nodes */
1517 set_id(env, nodenr, newnode);
1522 DEL_ARR_F(prednodes);
1527 static int parse_modes(io_env_t *env)
1535 if (env->c == '}') {
1540 kwkind = (keyword_t) read_enum(env, tt_keyword);
1543 const char *name = read_quoted_string(env);
1544 ir_mode_sort sort = read_enum(env, tt_mode_sort);
1545 int size = read_long(env);
1546 int sign = read_long(env);
1547 ir_mode_arithmetic arith = read_mode_arithmetic(env);
1548 unsigned modulo_shift = read_long(env);
1549 int vector_elems = read_long(env);
1552 if (vector_elems != 1) {
1553 panic("no support for import of vector modes yes");
1556 mode = new_ir_mode(name, sort, size, sign, arith, modulo_shift);
1557 if (mode_is_reference(mode)) {
1558 set_reference_mode_signed_eq(mode, read_mode(env));
1559 set_reference_mode_unsigned_eq(mode, read_mode(env));
1572 static int parse_program(io_env_t *env)
1580 if (env->c == '}') {
1585 kwkind = (keyword_t) read_enum(env, tt_keyword);
1587 case kw_segment_type: {
1588 ir_segment_t segment = (ir_segment_t) read_enum(env, tt_segment);
1589 ir_type *type = read_type(env);
1590 set_segment_type(segment, type);
1594 parse_error(env, "unexpected keyword %d\n", kwkind);
1601 void ir_import(const char *filename)
1603 FILE *file = fopen(filename, "rt");
1609 ir_import_file(file, filename);
1614 void ir_import_file(FILE *input, const char *inputname)
1616 int oldoptimize = get_optimize();
1617 firm_verification_t oldver = get_node_verification_mode();
1619 io_env_t *env = &ioenv;
1624 memset(env, 0, sizeof(*env));
1625 obstack_init(&env->obst);
1626 env->idset = new_set(id_cmp, 128);
1627 env->fixedtypes = NEW_ARR_F(ir_type *, 0);
1628 env->inputname = inputname;
1632 /* read first character */
1636 do_node_verification(FIRM_VERIFICATION_OFF);
1645 kw = read_enum(env, tt_keyword);
1648 if (!parse_modes(env)) goto end;
1652 if (!parse_typegraph(env)) goto end;
1657 ir_entity *irgent = get_entity(env, read_long(env));
1659 ir_graph *irg = new_ir_graph(irgent, 0);
1660 set_irg_frame_type(irg, get_type(env, read_long(env)));
1661 valuetypeid = read_long(env);
1662 if (valuetypeid != -1)
1663 set_method_value_param_type(get_entity_type(irgent),
1664 get_type(env, valuetypeid));
1666 if (!parse_graph(env, irg)) goto end;
1671 ir_graph *constirg = get_const_code_irg();
1672 long bodyblockid = read_long(env);
1673 set_id(env, bodyblockid, constirg->current_block);
1674 if (!parse_graph(env, constirg)) goto end;
1683 parse_error(env, "Unexpected keyword %d at toplevel\n", kw);
1690 n = ARR_LEN(env->fixedtypes);
1691 for (i = 0; i < n; i++)
1692 set_type_state(env->fixedtypes[i], layout_fixed);
1694 DEL_ARR_F(env->fixedtypes);
1696 del_set(env->idset);
1698 irp_finalize_cons();
1700 do_node_verification(oldver);
1701 set_optimize(oldoptimize);
1703 obstack_free(&env->obst, NULL);