2 * Copyright (C) 1995-2011 University of Karlsruhe. All right reserved.
4 * This file is part of libFirm.
6 * This file may be distributed and/or modified under the terms of the
7 * GNU General Public License version 2 as published by the Free Software
8 * Foundation and appearing in the file LICENSE.GPL included in the
9 * packaging of this file.
11 * Licensees holding valid libFirm Professional Edition licenses may use
12 * this file in accordance with the libFirm Commercial License.
13 * Agreement provided with the Software.
15 * This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
16 * WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22 * @brief Write textual representation of firm to file.
23 * @author Moritz Kroll
37 #include "irgraph_t.h"
50 #define SYMERROR ((unsigned) ~0)
52 typedef struct io_env_t
54 int c; /**< currently read char */
56 set *idset; /**< id_entry set, which maps from file ids to new Firm elements */
58 const char *inputname;
65 typedef enum typetag_t
70 tt_cond_jmp_predicate,
85 typedef enum keyword_t
98 typedef struct symbol_t
100 const char *str; /**< The name of this symbol. */
101 typetag_t typetag; /**< The type tag of this symbol. */
102 unsigned code; /**< The value of this symbol. */
105 typedef struct id_entry
111 /** The symbol table, a set of symbol_t elements. */
115 * Compare two symbol table entries.
117 static int symbol_cmp(const void *elt, const void *key, size_t size)
120 const symbol_t *entry = (const symbol_t *) elt;
121 const symbol_t *keyentry = (const symbol_t *) key;
123 res = entry->typetag - keyentry->typetag;
125 return strcmp(entry->str, keyentry->str);
128 static int id_cmp(const void *elt, const void *key, size_t size)
130 const id_entry *entry = (const id_entry *) elt;
131 const id_entry *keyentry = (const id_entry *) key;
133 return entry->id - keyentry->id;
136 static void __attribute__((format(printf, 2, 3)))
137 parse_error(io_env_t *env, const char *fmt, ...)
140 int line = env->line;
142 /* workaround read_c "feature" that a '\n' triggers the line++
143 * instead of the character after the '\n' */
144 if (env->c == '\n') {
148 fprintf(stderr, "%s:%d: error ", env->inputname, line);
151 vfprintf(stderr, fmt, ap);
155 /** Initializes the symbol table. May be called more than once without problems. */
156 static void symtbl_init(void)
160 /* Only initialize once */
164 symtbl = new_set(symbol_cmp, 256);
166 #define INSERT(tt, s, cod) \
168 key.typetag = (tt); \
170 set_insert(symtbl, &key, sizeof(key), firm_fnv_hash_str(s) + tt * 17)
172 #define INSERTENUM(tt, e) INSERT(tt, #e, e)
173 #define INSERTKEYWORD(k) INSERT(tt_keyword, #k, kw_##k)
175 INSERT(tt_tpo, "array", tpo_array);
176 INSERT(tt_tpo, "class", tpo_class);
177 INSERT(tt_tpo, "method", tpo_method);
178 INSERT(tt_tpo, "pointer", tpo_pointer);
179 INSERT(tt_tpo, "primitive", tpo_primitive);
180 INSERT(tt_tpo, "struct", tpo_struct);
181 INSERT(tt_tpo, "union", tpo_union);
182 INSERT(tt_tpo, "Unknown", tpo_unknown);
184 INSERT(tt_mode_sort, "auxiliary", irms_auxiliary);
185 INSERT(tt_mode_sort, "control_flow", irms_control_flow);
186 INSERT(tt_mode_sort, "memory", irms_memory);
187 INSERT(tt_mode_sort, "internal_boolean", irms_internal_boolean);
188 INSERT(tt_mode_sort, "reference", irms_reference);
189 INSERT(tt_mode_sort, "int_number", irms_int_number);
190 INSERT(tt_mode_sort, "float_number", irms_float_number);
192 INSERT(tt_segment, "global", IR_SEGMENT_GLOBAL);
193 INSERT(tt_segment, "thread_local", IR_SEGMENT_THREAD_LOCAL);
194 INSERT(tt_segment, "constructors", IR_SEGMENT_CONSTRUCTORS);
195 INSERT(tt_segment, "destructors", IR_SEGMENT_DESTRUCTORS);
197 INSERT(tt_linkage, "constant", IR_LINKAGE_CONSTANT);
198 INSERT(tt_linkage, "weak", IR_LINKAGE_WEAK);
199 INSERT(tt_linkage, "garbage_collect", IR_LINKAGE_GARBAGE_COLLECT);
200 INSERT(tt_linkage, "merge", IR_LINKAGE_MERGE);
201 INSERT(tt_linkage, "hidden_user", IR_LINKAGE_HIDDEN_USER);
203 INSERT(tt_visibility, "local", ir_visibility_local);
204 INSERT(tt_visibility, "external", ir_visibility_external);
205 INSERT(tt_visibility, "default", ir_visibility_default);
206 INSERT(tt_visibility, "private", ir_visibility_private);
208 INSERTKEYWORD(constirg);
209 INSERTKEYWORD(entity);
212 INSERTKEYWORD(modes);
214 INSERTKEYWORD(typegraph);
215 INSERTKEYWORD(program);
216 INSERTKEYWORD(segment_type);
218 #include "gen_irio_lex.inl"
220 INSERTENUM(tt_align, align_non_aligned);
221 INSERTENUM(tt_align, align_is_aligned);
223 INSERTENUM(tt_builtin, ir_bk_trap);
224 INSERTENUM(tt_builtin, ir_bk_debugbreak);
225 INSERTENUM(tt_builtin, ir_bk_return_address);
226 INSERTENUM(tt_builtin, ir_bk_frame_address);
227 INSERTENUM(tt_builtin, ir_bk_prefetch);
228 INSERTENUM(tt_builtin, ir_bk_ffs);
229 INSERTENUM(tt_builtin, ir_bk_clz);
230 INSERTENUM(tt_builtin, ir_bk_ctz);
231 INSERTENUM(tt_builtin, ir_bk_popcount);
232 INSERTENUM(tt_builtin, ir_bk_parity);
233 INSERTENUM(tt_builtin, ir_bk_bswap);
234 INSERTENUM(tt_builtin, ir_bk_inport);
235 INSERTENUM(tt_builtin, ir_bk_outport);
236 INSERTENUM(tt_builtin, ir_bk_inner_trampoline);
238 INSERTENUM(tt_cond_jmp_predicate, COND_JMP_PRED_NONE);
239 INSERTENUM(tt_cond_jmp_predicate, COND_JMP_PRED_TRUE);
240 INSERTENUM(tt_cond_jmp_predicate, COND_JMP_PRED_FALSE);
242 INSERTENUM(tt_initializer, IR_INITIALIZER_CONST);
243 INSERTENUM(tt_initializer, IR_INITIALIZER_TARVAL);
244 INSERTENUM(tt_initializer, IR_INITIALIZER_NULL);
245 INSERTENUM(tt_initializer, IR_INITIALIZER_COMPOUND);
247 INSERTENUM(tt_mode_arithmetic, irma_uninitialized);
248 INSERTENUM(tt_mode_arithmetic, irma_none);
249 INSERTENUM(tt_mode_arithmetic, irma_twos_complement);
250 INSERTENUM(tt_mode_arithmetic, irma_ieee754);
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 static const char *get_visibility_name(ir_visibility visibility)
281 switch (visibility) {
282 case ir_visibility_local: return "local";
283 case ir_visibility_external: return "external";
284 case ir_visibility_default: return "default";
285 case ir_visibility_private: return "private";
287 return "INVALID_VISIBILITY";
290 /** Returns the according symbol value for the given string and tag, or SYMERROR if none was found. */
291 static unsigned symbol(const char *str, typetag_t typetag)
293 symbol_t key, *entry;
296 key.typetag = typetag;
298 entry = (symbol_t*)set_find(symtbl, &key, sizeof(key), firm_fnv_hash_str(str) + typetag * 17);
299 return entry ? entry->code : SYMERROR;
302 static void *get_id(io_env_t *env, long id)
304 id_entry key, *entry;
307 entry = (id_entry*)set_find(env->idset, &key, sizeof(key), (unsigned) id);
308 return entry ? entry->elem : NULL;
311 static void set_id(io_env_t *env, long id, void *elem)
316 set_insert(env->idset, &key, sizeof(key), (unsigned) id);
319 static void write_long(io_env_t *env, long value)
321 fprintf(env->file, "%ld ", value);
324 static void write_int(io_env_t *env, int value)
326 fprintf(env->file, "%d ", value);
329 static void write_unsigned(io_env_t *env, unsigned value)
331 fprintf(env->file, "%u ", value);
334 static void write_entity_ref(io_env_t *env, ir_entity *entity)
336 write_long(env, get_entity_nr(entity));
339 static void write_type_ref(io_env_t *env, ir_type *type)
341 write_long(env, get_type_nr(type));
344 static void write_string(io_env_t *env, const char *string)
347 fputc('"', env->file);
348 for (c = string; *c != '\0'; ++c) {
351 fputc('\\', env->file);
352 fputc('n', env->file);
356 fputc('\\', env->file);
359 fputc(*c, env->file);
363 fputc('"', env->file);
366 static void write_ident(io_env_t *env, ident *id)
368 write_string(env, get_id_str(id));
369 fputc(' ', env->file);
372 static void write_ident_null(io_env_t *env, ident *id)
375 fputs("NULL ", env->file);
377 write_ident(env, id);
381 static void write_mode(io_env_t *env, ir_mode *mode)
383 write_string(env, get_mode_name(mode));
384 fputc(' ', env->file);
387 static void write_tarval(io_env_t *env, ir_tarval *tv)
390 write_mode(env, get_tarval_mode(tv));
391 tarval_snprintf(buf, sizeof(buf), tv);
392 fputs(buf, env->file);
393 fputc(' ', env->file);
396 static void write_align(io_env_t *env, ir_align align)
398 fputs(get_align_name(align), env->file);
399 fputc(' ', env->file);
402 static void write_builtin_kind(io_env_t *env, ir_node *irn)
404 fputs(get_builtin_kind_name(get_Builtin_kind(irn)), env->file);
405 fputc(' ', env->file);
408 static void write_cond_jmp_predicate(io_env_t *env, ir_node *irn)
410 fputs(get_cond_jmp_predicate_name(get_Cond_jmp_pred(irn)), env->file);
411 fputc(' ', env->file);
414 static void write_list_begin(io_env_t *env)
416 fputs("[", env->file);
419 static void write_list_end(io_env_t *env)
421 fputs("] ", env->file);
424 static void write_initializer(io_env_t *env, ir_initializer_t *ini)
427 ir_initializer_kind_t ini_kind = get_initializer_kind(ini);
429 fputs(get_initializer_kind_name(ini_kind), f);
433 case IR_INITIALIZER_CONST:
434 write_long(env, get_irn_node_nr(get_initializer_const_value(ini)));
437 case IR_INITIALIZER_TARVAL:
438 write_tarval(env, get_initializer_tarval_value(ini));
441 case IR_INITIALIZER_NULL:
444 case IR_INITIALIZER_COMPOUND: {
445 size_t i, n = get_initializer_compound_n_entries(ini);
446 ir_fprintf(f, "%zu ", n);
447 for (i = 0; i < n; ++i)
448 write_initializer(env, get_initializer_compound_value(ini, i));
453 panic("Unknown initializer kind");
457 static void write_pin_state(io_env_t *env, ir_node *irn)
459 fputs(get_op_pin_state_name(get_irn_pinned(irn)), env->file);
460 fputc(' ', env->file);
463 static void write_volatility(io_env_t *env, ir_volatility vol)
465 fputs(get_volatility_name(vol), env->file);
466 fputc(' ', env->file);
469 static void export_type_common(io_env_t *env, ir_type *tp)
471 fprintf(env->file, "\ttype %ld %s %u %u %s %u ",
473 get_type_tpop_name(tp),
474 get_type_size_bytes(tp),
475 get_type_alignment_bytes(tp),
476 get_type_state_name(get_type_state(tp)),
480 static void export_type_pre(io_env_t *env, ir_type *tp)
484 /* skip types to be handled by post walker */
485 switch (get_type_tpop_code(tp)) {
494 export_type_common(env, tp);
496 switch (get_type_tpop_code(tp)) {
497 case tpo_uninitialized:
498 panic("invalid type found");
501 write_ident_null(env, get_compound_ident(tp));
505 write_mode(env, get_type_mode(tp));
510 case tpo_enumeration:
511 write_ident_null(env, get_compound_ident(tp));
525 static void export_type_post(io_env_t *env, ir_type *tp)
530 /* skip types already handled by pre walker */
531 switch (get_type_tpop_code(tp)) {
537 case tpo_uninitialized:
544 case tpo_enumeration:
548 export_type_common(env, tp);
550 switch (get_type_tpop_code(tp)) {
552 size_t n = get_array_n_dimensions(tp);
553 ir_fprintf(f, "%zu %ld ", n, get_type_nr(get_array_element_type(tp)));
554 for (i = 0; i < n; i++) {
555 ir_node *lower = get_array_lower_bound(tp, i);
556 ir_node *upper = get_array_upper_bound(tp, i);
559 write_long(env, get_tarval_long(get_Const_tarval(lower)));
561 panic("Lower array bound is not constant");
564 write_long(env, get_tarval_long(get_Const_tarval(upper)));
565 else if (is_Unknown(upper))
566 fputs("unknown ", f);
568 panic("Upper array bound is not constant");
574 size_t nparams = get_method_n_params(tp);
575 size_t nresults = get_method_n_ress(tp);
576 ir_fprintf(f, "%u %u %zu %zu ", get_method_calling_convention(tp),
577 get_method_additional_properties(tp), nparams, nresults);
578 for (i = 0; i < nparams; i++)
579 write_long(env, get_type_nr(get_method_param_type(tp, i)));
580 for (i = 0; i < nresults; i++)
581 write_long(env, get_type_nr(get_method_res_type(tp, i)));
582 ir_fprintf(f, "%u ", get_method_variadicity(tp));
587 write_mode(env, get_type_mode(tp));
588 write_long(env, get_type_nr(get_pointer_points_to_type(tp)));
591 case tpo_enumeration:
592 fprintf(stderr, "Enumeration type not handled yet by exporter\n");
596 printf("export_type: Unknown type code \"%s\".\n",
597 get_type_tpop_name(tp));
603 static void export_entity(io_env_t *env, ir_entity *ent)
605 FILE *file = env->file;
606 ir_type *owner = get_entity_owner(ent);
607 ir_visibility visibility = get_entity_visibility(ent);
608 ir_linkage linkage = get_entity_linkage(ent);
610 /* we don't dump array_element_ent entities. They're a strange concept
611 * and lead to cycles in type_graph.
613 if (is_Array_type(owner))
616 fprintf(env->file, "\tentity ");
617 write_long(env, get_entity_nr(ent));
618 write_ident_null(env, get_entity_ident(ent));
619 if (!entity_has_ld_ident(ent)) {
620 write_ident_null(env, NULL);
622 write_ident_null(env, get_entity_ld_ident(ent));
625 /* visibility + linkage */
626 if (visibility != ir_visibility_default) {
627 fprintf(file, "%s ", get_visibility_name(visibility));
629 if (linkage & IR_LINKAGE_CONSTANT)
630 fputs("constant ", file);
631 if (linkage & IR_LINKAGE_WEAK)
632 fputs("weak ", file);
633 if (linkage & IR_LINKAGE_GARBAGE_COLLECT)
634 fputs("garbage_collect ", file);
635 if (linkage & IR_LINKAGE_MERGE)
636 fputs("merge ", file);
637 if (linkage & IR_LINKAGE_HIDDEN_USER)
638 fputs("hidden_user ", file);
640 fprintf(file, "%ld %ld %d %u %d %s ",
641 get_type_nr(get_entity_type(ent)),
643 get_entity_offset(ent),
644 (unsigned) get_entity_offset_bits_remainder(ent),
645 is_entity_compiler_generated(ent),
646 get_volatility_name(get_entity_volatility(ent)));
648 if (ent->initializer != NULL) {
649 fputs("initializer ", env->file);
650 write_initializer(env, get_entity_initializer(ent));
651 } else if (entity_has_compound_ent_values(ent)) {
652 size_t i, n = get_compound_ent_n_values(ent);
653 fputs("compoundgraph ", env->file);
654 ir_fprintf(env->file, "%zu ", n);
655 for (i = 0; i < n; i++) {
656 ir_entity *member = get_compound_ent_value_member(ent, i);
657 ir_node *irn = get_compound_ent_value(ent, i);
658 fprintf(env->file, "%ld %ld ", get_entity_nr(member), get_irn_node_nr(irn));
661 fputs("none", env->file);
664 fputc('\n', env->file);
667 static void export_type_or_ent_pre(type_or_ent tore, void *ctx)
669 io_env_t *env = (io_env_t *) ctx;
670 if (get_kind(tore.typ) == k_type)
671 export_type_pre(env, tore.typ);
674 static void export_type_or_ent_post(type_or_ent tore, void *ctx)
676 io_env_t *env = (io_env_t *) ctx;
678 switch (get_kind(tore.ent)) {
680 export_entity(env, tore.ent);
684 export_type_post(env, tore.typ);
688 panic("export_type_or_ent_post: Unknown type or entity.");
692 static void export_ASM(io_env_t *env, ir_node *node)
694 ir_asm_constraint *input_constraints = get_ASM_input_constraints(node);
695 ir_asm_constraint *output_constraints = get_ASM_output_constraints(node);
696 ident **clobbers = get_ASM_clobbers(node);
697 int n_input_constraints = get_ASM_n_input_constraints(node);
698 int n_output_constraints = get_ASM_n_output_constraints(node);
699 int n_clobbers = get_ASM_n_clobbers(node);
702 write_ident(env, get_ASM_text(node));
703 write_list_begin(env);
704 for (i = 0; i < n_input_constraints; ++i) {
705 const ir_asm_constraint *constraint = &input_constraints[i];
706 write_unsigned(env, constraint->pos);
707 write_ident(env, constraint->constraint);
708 write_mode(env, constraint->mode);
712 write_list_begin(env);
713 for (i = 0; i < n_output_constraints; ++i) {
714 const ir_asm_constraint *constraint = &output_constraints[i];
715 write_unsigned(env, constraint->pos);
716 write_ident(env, constraint->constraint);
717 write_mode(env, constraint->mode);
721 write_list_begin(env);
722 for (i = 0; i < n_clobbers; ++i) {
723 ident *clobber = clobbers[i];
724 write_ident(env, clobber);
730 * Walker: exports every node.
732 static void export_node(ir_node *irn, void *ctx)
734 io_env_t *env = (io_env_t *) ctx;
736 unsigned opcode = get_irn_opcode(irn);
738 if (env->ignoreblocks && opcode == iro_Block)
741 fprintf(env->file, "\t%s ", get_irn_opname(irn));
742 write_long(env, get_irn_node_nr(irn));
744 write_list_begin(env);
745 n = get_irn_arity(irn);
746 if (!is_Block(irn)) {
747 ir_node *block = get_nodes_block(irn);
748 write_long(env, get_irn_node_nr(block));
751 for (i = 0; i < n; i++) {
752 ir_node *pred = get_irn_n(irn, i);
754 /* Anchor node may have NULL predecessors */
755 assert(is_Anchor(irn));
756 fputs("-1 ", env->file);
758 write_long(env, get_irn_node_nr(pred));
763 fputs("{ ", env->file);
772 /* TODO: only symconst_addr_ent implemented yet */
773 assert(get_SymConst_kind(irn) == symconst_addr_ent);
774 fprintf(env->file, "%ld ", get_entity_nr(get_SymConst_entity(irn)));
775 write_mode(env, get_irn_mode(irn));
778 write_mode(env, get_irn_mode(irn));
779 fprintf(env->file, "%ld ", get_Proj_proj(irn));
782 export_ASM(env, irn);
784 #include "gen_irio_export.inl"
786 panic("no export code for node %+F\n", irn);
788 fputs("}\n", env->file);
791 static const char *get_mode_sort_name(ir_mode_sort sort)
794 case irms_auxiliary: return "auxiliary";
795 case irms_control_flow: return "control_flow";
796 case irms_memory: return "memory";
797 case irms_internal_boolean: return "internal_boolean";
798 case irms_reference: return "reference";
799 case irms_int_number: return "int_number";
800 case irms_float_number: return "float_number";
802 panic("invalid mode sort found");
805 static void export_modes(io_env_t *env)
807 size_t i, n_modes = get_irp_n_modes();
809 fputs("modes {\n", env->file);
811 for (i = 0; i < n_modes; i++) {
812 ir_mode *mode = get_irp_mode(i);
813 switch (get_mode_sort(mode)) {
815 case irms_control_flow:
817 case irms_internal_boolean:
818 /* skip "internal" modes, which may not be user defined */
824 fprintf(env->file, "\tmode ");
825 write_string(env, get_mode_name(mode));
826 fprintf(env->file, "%s %u %d %s %u %u ",
827 get_mode_sort_name(get_mode_sort(mode)),
828 get_mode_size_bits(mode), get_mode_sign(mode),
829 get_mode_arithmetic_name(get_mode_arithmetic(mode)),
830 get_mode_modulo_shift(mode),
831 get_mode_n_vector_elems(mode));
832 if (mode_is_reference(mode)) {
833 write_mode(env, get_reference_mode_signed_eq(mode));
834 write_mode(env, get_reference_mode_unsigned_eq(mode));
835 write_int(env, (mode == mode_P ? 1 : 0));
837 fputc('\n', env->file);
840 fputs("}\n", env->file);
843 static void export_program(io_env_t *env)
848 fputs("\nprogram {\n", f);
849 if (irp_prog_name_is_set()) {
850 fprintf(f, "\tname ");
851 write_string(env, get_irp_name());
855 for (s = IR_SEGMENT_FIRST; s <= IR_SEGMENT_LAST; ++s) {
856 ir_type *segment_type = get_segment_type(s);
857 fprintf(f, "\tsegment_type %s ", get_segment_name(s));
858 if (segment_type == NULL) {
861 write_long(env, get_type_nr(segment_type));
868 void ir_export(const char *filename)
870 FILE *file = fopen(filename, "wt");
876 ir_export_file(file, filename);
880 /* Exports the whole irp to the given file in a textual form. */
881 void ir_export_file(FILE *file, const char *outputname)
884 size_t i, n_irgs = get_irp_n_irgs();
891 fputs("\ntypegraph {\n", env.file);
892 type_walk_prog(export_type_or_ent_pre, export_type_or_ent_post, &env);
893 fputs("}\n", env.file);
895 for (i = 0; i < n_irgs; i++) {
896 ir_graph *irg = get_irp_irg(i);
898 fprintf(env.file, "\nirg %ld %ld {\n",
899 get_entity_nr(get_irg_entity(irg)),
900 get_type_nr(get_irg_frame_type(irg)));
902 env.ignoreblocks = 0;
903 irg_block_walk_graph(irg, NULL, export_node, &env);
905 env.ignoreblocks = 1;
906 irg_walk_anchors(irg, NULL, export_node, &env);
908 fputs("}\n", env.file);
911 fprintf(env.file, "\nconstirg %ld {\n", get_irn_node_nr(get_const_code_irg()->current_block));
913 walk_const_code(NULL, export_node, &env);
914 fputs("}\n", env.file);
916 export_program(&env);
919 /* Exports the given irg to the given file. */
920 void ir_export_irg(ir_graph *irg, FILE *file, const char *outputname)
929 fputs("typegraph {\n", env.file);
931 type_walk_irg(irg, export_type_or_ent_pre, export_type_or_ent_post, &env);
933 fprintf(env.file, "}\n\nirg %ld {\n", get_entity_nr(get_irg_entity(irg)));
935 env.ignoreblocks = 0;
936 irg_block_walk_graph(irg, NULL, export_node, &env);
938 env.ignoreblocks = 1;
939 irg_walk_anchors(irg, NULL, export_node, &env);
941 /* TODO: Only output needed constants */
942 fprintf(env.file, "}\n\nconstirg %ld {\n", get_irn_node_nr(get_const_code_irg()->current_block));
943 walk_const_code(NULL, export_node, &env);
944 fputs("}\n", env.file);
947 static void read_c(io_env_t *env)
949 int c = fgetc(env->file);
955 /** Returns the first non-whitespace character or EOF. **/
956 static void skip_ws(io_env_t *env)
973 static void skip_to(io_env_t *env, char to_ch)
975 while (env->c != to_ch && env->c != EOF) {
980 static int expect_char(io_env_t *env, char ch)
984 parse_error(env, "Unexpected char '%c', expected '%c'\n",
992 #define EXPECT(c) if (expect_char(env, (c))) {} else return 0
994 static char *read_word(io_env_t *env)
998 assert(obstack_object_size(&env->obst) == 0);
1010 obstack_1grow(&env->obst, c);
1017 obstack_1grow(&env->obst, '\0');
1018 return (char*)obstack_finish(&env->obst);
1021 static char *read_string(io_env_t *env)
1024 if (env->c != '"') {
1025 parse_error(env, "Expected string, got '%c'\n", env->c);
1030 assert(obstack_object_size(&env->obst) == 0);
1031 while (env->c != '"') {
1032 if (env->c == EOF) {
1033 parse_error(env, "Unexpected EOF while parsing string\n");
1037 if (env->c == '\\') {
1041 obstack_1grow(&env->obst, '\n');
1045 obstack_1grow(&env->obst, env->c);
1048 parse_error(env, "Unknown escape sequence '\\%c'\n", env->c);
1052 obstack_1grow(&env->obst, env->c);
1057 obstack_1grow(&env->obst, 0);
1059 return (char*)obstack_finish(&env->obst);
1062 static ident *read_ident(io_env_t *env)
1064 char *str = read_string(env);
1065 ident *res = new_id_from_str(str);
1066 obstack_free(&env->obst, str);
1071 * reads a "quoted string" or alternatively the token NULL
1073 static char *read_string_null(io_env_t *env)
1076 if (env->c == 'N') {
1077 char *str = read_word(env);
1078 if (strcmp(str, "NULL") == 0) {
1079 obstack_free(&env->obst, str);
1082 } else if (env->c == '"') {
1083 return read_string(env);
1086 parse_error(env, "Expected \"string\" or NULL\n");
1090 static ident *read_ident_null(io_env_t *env)
1093 char *str = read_string_null(env);
1097 res = new_id_from_str(str);
1098 obstack_free(&env->obst, str);
1102 static long read_long(io_env_t *env)
1108 if (!isdigit(env->c) && env->c != '-') {
1109 parse_error(env, "Expected number, got '%c'\n", env->c);
1113 assert(obstack_object_size(&env->obst) == 0);
1115 obstack_1grow(&env->obst, env->c);
1117 } while (isdigit(env->c));
1118 obstack_1grow(&env->obst, 0);
1120 str = (char*)obstack_finish(&env->obst);
1122 obstack_free(&env->obst, str);
1127 static int read_int(io_env_t *env)
1129 return (int) read_long(env);
1132 static unsigned read_unsigned(io_env_t *env)
1134 return (unsigned) read_long(env);
1137 static size_t read_size_t(io_env_t *env)
1140 return (size_t) read_unsigned(env);
1143 static void expect_list_begin(io_env_t *env)
1146 if (env->c != '[') {
1147 parse_error(env, "Expected list, got '%c'\n", env->c);
1153 static bool list_has_next(io_env_t *env)
1155 if (feof(env->file)) {
1156 parse_error(env, "Unexpected EOF while reading list");
1160 if (env->c == ']') {
1168 static ir_node *get_node_or_null(io_env_t *env, long nodenr)
1170 ir_node *node = (ir_node *) get_id(env, nodenr);
1171 if (node && node->kind != k_ir_node) {
1172 panic("Irn ID %ld collides with something else in line %d\n",
1178 static ir_node *get_node_or_dummy(io_env_t *env, long nodenr)
1180 ir_node *node = get_node_or_null(env, nodenr);
1182 node = new_r_Dummy(env->irg, mode_X);
1183 set_id(env, nodenr, node);
1188 static ir_type *get_type(io_env_t *env, long typenr)
1190 ir_type *type = (ir_type *) get_id(env, typenr);
1192 panic("unknown type: %ld in line %d\n", typenr, env->line);
1193 else if (type->kind != k_type)
1194 panic("type ID %ld collides with something else in line %d\n",
1199 static ir_type *read_type(io_env_t *env)
1201 return get_type(env, read_long(env));
1204 static ir_entity *get_entity(io_env_t *env, long entnr)
1206 ir_entity *entity = (ir_entity *) get_id(env, entnr);
1207 if (entity == NULL) {
1208 parse_error(env, "unknown entity: %ld\n", entnr);
1210 } else if (entity->kind != k_entity) {
1211 panic("Entity ID %ld collides with something else in line %d\n",
1218 static ir_entity *read_entity(io_env_t *env)
1220 return get_entity(env, read_long(env));
1223 static ir_mode *read_mode(io_env_t *env)
1225 char *str = read_string(env);
1228 n = get_irp_n_modes();
1229 for (i = 0; i < n; i++) {
1230 ir_mode *mode = get_irp_mode(i);
1231 if (strcmp(str, get_mode_name(mode)) == 0) {
1232 obstack_free(&env->obst, str);
1237 parse_error(env, "unknown mode \"%s\"\n", str);
1241 static const char *get_typetag_name(typetag_t typetag)
1244 case tt_align: return "align";
1245 case tt_allocation: return "allocation";
1246 case tt_builtin: return "builtin kind";
1247 case tt_cond_jmp_predicate: return "cond_jmp_predicate";
1248 case tt_initializer: return "initializer kind";
1249 case tt_iro: return "opcode";
1250 case tt_keyword: return "keyword";
1251 case tt_linkage: return "linkage";
1252 case tt_mode_arithmetic: return "mode_arithmetic";
1253 case tt_mode_sort: return "mode_sort";
1254 case tt_pin_state: return "pin state";
1255 case tt_segment: return "segment";
1256 case tt_tpo: return "type";
1257 case tt_type_state: return "type state";
1258 case tt_volatility: return "volatility";
1259 case tt_visibility: return "visibility";
1265 * Read and decode an enum constant.
1267 static unsigned read_enum(io_env_t *env, typetag_t typetag)
1269 char *str = read_word(env);
1270 unsigned code = symbol(str, typetag);
1272 if (code != SYMERROR) {
1273 obstack_free(&env->obst, str);
1277 parse_error(env, "invalid %s: \"%s\"\n", get_typetag_name(typetag), str);
1281 #define read_align(env) ((ir_align) read_enum(env, tt_align))
1282 #define read_allocation(env) ((ir_allocation) read_enum(env, tt_allocation))
1283 #define read_builtin_kind(env) ((ir_builtin_kind) read_enum(env, tt_builtin))
1284 #define read_cond_jmp_predicate(env) ((cond_jmp_predicate) read_enum(env, tt_cond_jmp_predicate))
1285 #define read_initializer_kind(env) ((ir_initializer_kind_t) read_enum(env, tt_initializer))
1286 #define read_mode_arithmetic(env) ((ir_mode_arithmetic) read_enum(env, tt_mode_arithmetic))
1287 #define read_peculiarity(env) ((ir_peculiarity) read_enum(env, tt_peculiarity))
1288 #define read_pin_state(env) ((op_pin_state) read_enum(env, tt_pin_state))
1289 #define read_type_state(env) ((ir_type_state) read_enum(env, tt_type_state))
1290 #define read_variability(env) ((ir_variability) read_enum(env, tt_variability))
1291 #define read_volatility(env) ((ir_volatility) read_enum(env, tt_volatility))
1293 static ir_tarval *read_tv(io_env_t *env)
1295 ir_mode *tvmode = read_mode(env);
1296 char *str = read_word(env);
1297 ir_tarval *tv = new_tarval_from_str(str, strlen(str), tvmode);
1298 obstack_free(&env->obst, str);
1303 static ir_initializer_t *read_initializer(io_env_t *env)
1305 ir_initializer_kind_t ini_kind = read_initializer_kind(env);
1308 case IR_INITIALIZER_CONST: {
1309 ir_node *irn = get_node_or_dummy(env, read_long(env));
1310 return create_initializer_const(irn);
1313 case IR_INITIALIZER_TARVAL:
1314 return create_initializer_tarval(read_tv(env));
1316 case IR_INITIALIZER_NULL:
1317 return get_initializer_null();
1319 case IR_INITIALIZER_COMPOUND: {
1320 size_t i, n = read_size_t(env);
1321 ir_initializer_t *ini = create_initializer_compound(n);
1322 for (i = 0; i < n; i++) {
1323 ir_initializer_t *curini = read_initializer(env);
1324 set_initializer_compound_value(ini, i, curini);
1330 panic("Unknown initializer kind");
1335 /** Reads a type description and remembers it by its id. */
1336 static void import_type(io_env_t *env)
1340 long typenr = read_long(env);
1341 tp_opcode tpop = (tp_opcode) read_enum(env, tt_tpo);
1342 unsigned size = (unsigned) read_long(env);
1343 unsigned align = (unsigned) read_long(env);
1344 ir_type_state state = read_type_state(env);
1345 unsigned flags = (unsigned) read_long(env);
1349 int ndims = (int) read_long(env);
1350 long elemtypenr = read_long(env);
1351 ir_type *elemtype = get_type(env, elemtypenr);
1353 type = new_type_array(ndims, elemtype);
1354 for (i = 0; i < ndims; i++) {
1355 char *str = read_word(env);
1356 if (strcmp(str, "unknown") != 0) {
1357 long lowerbound = atol(str);
1358 set_array_lower_bound_int(type, i, lowerbound);
1360 obstack_free(&env->obst, str);
1362 str = read_word(env);
1363 if (strcmp(str, "unknown") != 0) {
1364 long upperbound = atol(str);
1365 set_array_upper_bound_int(type, i, upperbound);
1367 obstack_free(&env->obst, str);
1369 set_type_size_bytes(type, size);
1374 ident *id = read_ident_null(env);
1376 if (typenr == (long) IR_SEGMENT_GLOBAL)
1377 type = get_glob_type();
1379 type = new_type_class(id);
1380 set_type_size_bytes(type, size);
1385 unsigned callingconv = (unsigned) read_long(env);
1386 mtp_additional_properties addprops = (mtp_additional_properties) read_long(env);
1387 int nparams = (int) read_long(env);
1388 int nresults = (int) read_long(env);
1391 type = new_type_method(nparams, nresults);
1393 for (i = 0; i < nparams; i++) {
1394 long ptypenr = read_long(env);
1395 ir_type *paramtype = get_type(env, ptypenr);
1397 set_method_param_type(type, i, paramtype);
1399 for (i = 0; i < nresults; i++) {
1400 long ptypenr = read_long(env);
1401 ir_type *restype = get_type(env, ptypenr);
1403 set_method_res_type(type, i, restype);
1406 variadicity = (int) read_long(env);
1407 set_method_variadicity(type, variadicity);
1409 set_method_calling_convention(type, callingconv);
1410 set_method_additional_properties(type, addprops);
1415 ir_mode *mode = read_mode(env);
1416 ir_type *pointsto = get_type(env, read_long(env));
1417 type = new_type_pointer(pointsto);
1418 set_type_mode(type, mode);
1422 case tpo_primitive: {
1423 ir_mode *mode = read_mode(env);
1424 type = new_type_primitive(mode);
1429 ident *id = read_ident_null(env);
1430 type = new_type_struct(id);
1431 set_type_size_bytes(type, size);
1436 ident *id = read_ident_null(env);
1437 type = new_type_union(id);
1438 set_type_size_bytes(type, size);
1443 return; /* ignore unknown type */
1446 parse_error(env, "unknown type kind: \"%d\"\n", tpop);
1451 set_type_alignment_bytes(type, align);
1452 type->flags = flags;
1454 if (state == layout_fixed)
1455 ARR_APP1(ir_type *, env->fixedtypes, type);
1457 set_id(env, typenr, type);
1460 /** Reads an entity description and remembers it by its id. */
1461 static void import_entity(io_env_t *env)
1463 long entnr = read_long(env);
1464 ident *name = read_ident(env);
1465 ident *ld_name = read_ident_null(env);
1466 ir_visibility visibility = ir_visibility_default;
1467 ir_linkage linkage = IR_LINKAGE_DEFAULT;
1476 while (!isdigit(env->c)) {
1477 char *vstr = read_word(env);
1482 v = symbol(vstr, tt_visibility);
1483 if (v != SYMERROR) {
1484 visibility = (ir_visibility)v;
1487 v = symbol(vstr, tt_linkage);
1488 if (v != SYMERROR) {
1489 linkage |= (ir_linkage)v;
1492 printf("Parser error, expected visibility or linkage, got '%s'\n",
1497 typenr = read_long(env);
1498 ownertypenr = read_long(env);
1500 type = get_type(env, typenr);
1501 ownertype = !ownertypenr ? get_glob_type() : get_type(env, ownertypenr);
1502 entity = new_entity(ownertype, name, type);
1504 if (ld_name != NULL)
1505 set_entity_ld_ident(entity, ld_name);
1506 set_entity_offset(entity, (int) read_long(env));
1507 set_entity_offset_bits_remainder(entity, (unsigned char) read_long(env));
1508 set_entity_compiler_generated(entity, (int) read_long(env));
1509 set_entity_volatility(entity, read_volatility(env));
1510 set_entity_visibility(entity, visibility);
1511 set_entity_linkage(entity, linkage);
1513 str = read_word(env);
1514 if (strcmp(str, "initializer") == 0) {
1515 set_entity_initializer(entity, read_initializer(env));
1516 } else if (strcmp(str, "compoundgraph") == 0) {
1517 int n = (int) read_long(env);
1519 for (i = 0; i < n; i++) {
1520 ir_entity *member = get_entity(env, read_long(env));
1521 ir_node *irn = get_node_or_dummy(env, read_long(env));
1522 add_compound_ent_value(entity, irn, member);
1524 } else if (strcmp(str, "none") == 0) {
1527 parse_error(env, "expected 'initializer', 'compoundgraph' or 'none' got '%s'\n", str);
1531 set_id(env, entnr, entity);
1534 /** Parses the whole type graph. */
1535 static int parse_typegraph(io_env_t *env)
1537 ir_graph *old_irg = env->irg;
1542 env->irg = get_const_code_irg();
1544 /* parse all types first */
1547 if (env->c == '}') {
1552 kwkind = (keyword_t) read_enum(env, tt_keyword);
1563 parse_error(env, "type graph element not supported yet: %d\n", kwkind);
1572 static int read_node_header(io_env_t *env, long *nodenr, ir_node ***preds,
1573 const char **nodename)
1577 *nodename = read_word(env);
1578 *nodenr = read_long(env);
1580 ARR_RESIZE(ir_node*, *preds, 0);
1582 expect_list_begin(env);
1583 for (numpreds = 0; list_has_next(env); numpreds++) {
1584 long val = read_long(env);
1585 ir_node *pred = get_node_or_dummy(env, val);
1586 ARR_APP1(ir_node*, *preds, pred);
1592 static ir_node *read_ASM(io_env_t *env, int numpreds, ir_node **preds)
1595 ir_asm_constraint *input_constraints = NEW_ARR_F(ir_asm_constraint, 0);
1596 ir_asm_constraint *output_constraints = NEW_ARR_F(ir_asm_constraint, 0);
1597 ident **clobbers = NEW_ARR_F(ident*, 0);
1599 ident *asm_text = read_ident(env);
1601 expect_list_begin(env);
1602 while (list_has_next(env)) {
1603 ir_asm_constraint constraint;
1604 constraint.pos = read_unsigned(env);
1605 constraint.constraint = read_ident(env);
1606 constraint.mode = read_mode(env);
1607 ARR_APP1(ir_asm_constraint, input_constraints, constraint);
1610 expect_list_begin(env);
1611 while (list_has_next(env)) {
1612 ir_asm_constraint constraint;
1613 constraint.pos = read_unsigned(env);
1614 constraint.constraint = read_ident(env);
1615 constraint.mode = read_mode(env);
1616 ARR_APP1(ir_asm_constraint, output_constraints, constraint);
1619 expect_list_begin(env);
1620 while (list_has_next(env)) {
1621 ident *clobber = read_ident(env);
1622 ARR_APP1(ident*, clobbers, clobber);
1625 assert(ARR_LEN(input_constraints) == (size_t)numpreds-1);
1627 newnode = new_r_ASM(preds[0], numpreds-1, preds+1,
1629 ARR_LEN(output_constraints),
1634 DEL_ARR_F(clobbers);
1635 DEL_ARR_F(output_constraints);
1636 DEL_ARR_F(input_constraints);
1640 /** Parses an IRG. */
1641 static int parse_graph(io_env_t *env, ir_graph *irg)
1643 ir_node **preds = NEW_ARR_F(ir_node*,0);
1644 int i, numpreds, ret = 1;
1646 const char *nodename;
1647 ir_node *node, *newnode;
1655 if (env->c == '}') {
1660 numpreds = read_node_header(env, &nodenr, &preds, &nodename);
1662 node = get_node_or_null(env, nodenr);
1667 switch (symbol(nodename, tt_iro)) {
1669 ir_node *newendblock = preds[0];
1670 newnode = get_irg_end(irg);
1671 exchange(get_nodes_block(newnode), newendblock);
1672 for (i = 1; i < numpreds; i++)
1673 add_irn_n(newnode, preds[i]);
1678 ir_node *newstartblock = preds[0];
1679 newnode = get_irg_start(irg);
1680 exchange(get_nodes_block(newnode), newstartblock);
1685 newnode = new_r_Block(irg, numpreds, preds);
1689 newnode = irg->anchor;
1690 for (i = 1; i < numpreds; i++)
1691 set_irn_n(newnode, i-1, preds[i]);
1692 set_nodes_block(newnode, preds[0]);
1695 case iro_SymConst: {
1696 long entnr = read_long(env);
1697 union symconst_symbol sym;
1698 sym.entity_p = get_entity(env, entnr);
1699 ir_mode *mode = read_mode(env);
1700 newnode = new_r_SymConst(irg, mode, sym, symconst_addr_ent);
1705 ir_mode *mode = read_mode(env);
1706 long pn = read_long(env);
1707 newnode = new_r_Proj(preds[1], mode, pn);
1708 /* explicitely set block, since preds[1] might be a dummy node
1709 * which is always in the startblock */
1710 set_nodes_block(newnode, preds[0]);
1715 newnode = read_ASM(env, numpreds, preds);
1718 #include "gen_irio_import.inl"
1728 parse_error(env, "node type not supported yet: %s\n", nodename);
1733 exchange(node, newnode);
1734 /* Always update hash entry to avoid more uses of id nodes */
1735 set_id(env, nodenr, newnode);
1743 static int parse_modes(io_env_t *env)
1751 if (env->c == '}') {
1756 kwkind = (keyword_t) read_enum(env, tt_keyword);
1759 const char *name = read_string(env);
1760 ir_mode_sort sort = (ir_mode_sort)read_enum(env, tt_mode_sort);
1761 int size = read_long(env);
1762 int sign = read_long(env);
1763 ir_mode_arithmetic arith = read_mode_arithmetic(env);
1764 unsigned modulo_shift = read_long(env);
1765 int vector_elems = read_long(env);
1768 if (vector_elems != 1) {
1769 panic("no support for import of vector modes yes");
1772 mode = new_ir_mode(name, sort, size, sign, arith, modulo_shift);
1773 if (mode_is_reference(mode)) {
1774 set_reference_mode_signed_eq(mode, read_mode(env));
1775 set_reference_mode_unsigned_eq(mode, read_mode(env));
1776 int is_mode_P = read_int(env);
1778 set_modeP_data(mode);
1779 set_modeP_code(mode);
1793 static int parse_program(io_env_t *env)
1801 if (env->c == '}') {
1806 kwkind = (keyword_t) read_enum(env, tt_keyword);
1808 case kw_segment_type: {
1809 ir_segment_t segment = (ir_segment_t) read_enum(env, tt_segment);
1810 ir_type *type = read_type(env);
1811 set_segment_type(segment, type);
1815 parse_error(env, "unexpected keyword %d\n", kwkind);
1822 void ir_import(const char *filename)
1824 FILE *file = fopen(filename, "rt");
1830 ir_import_file(file, filename);
1835 void ir_import_file(FILE *input, const char *inputname)
1837 int oldoptimize = get_optimize();
1838 firm_verification_t oldver = get_node_verification_mode();
1840 io_env_t *env = &ioenv;
1845 memset(env, 0, sizeof(*env));
1846 obstack_init(&env->obst);
1847 env->idset = new_set(id_cmp, 128);
1848 env->fixedtypes = NEW_ARR_F(ir_type *, 0);
1849 env->inputname = inputname;
1853 /* read first character */
1857 do_node_verification(FIRM_VERIFICATION_OFF);
1866 kw = (keyword_t)read_enum(env, tt_keyword);
1869 if (!parse_modes(env)) goto end;
1873 if (!parse_typegraph(env)) goto end;
1878 ir_entity *irgent = get_entity(env, read_long(env));
1879 ir_graph *irg = new_ir_graph(irgent, 0);
1880 set_irg_frame_type(irg, get_type(env, read_long(env)));
1881 if (!parse_graph(env, irg)) goto end;
1886 ir_graph *constirg = get_const_code_irg();
1887 long bodyblockid = read_long(env);
1888 set_id(env, bodyblockid, constirg->current_block);
1889 if (!parse_graph(env, constirg)) goto end;
1898 parse_error(env, "Unexpected keyword %d at toplevel\n", kw);
1905 n = ARR_LEN(env->fixedtypes);
1906 for (i = 0; i < n; i++)
1907 set_type_state(env->fixedtypes[i], layout_fixed);
1909 DEL_ARR_F(env->fixedtypes);
1911 del_set(env->idset);
1913 irp_finalize_cons();
1915 do_node_verification(oldver);
1916 set_optimize(oldoptimize);
1918 obstack_free(&env->obst, NULL);