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
34 #include "irgraph_t.h"
44 #define SYMERROR ((unsigned) ~0)
46 typedef struct io_env_t
49 set *idset; /**< id_entry set, which maps from file ids to new Firm elements */
55 typedef struct lex_state_t
61 typedef enum typetag_t
67 tt_cond_jmp_predicate,
80 typedef enum keyword_t
91 typedef struct symbol_t
93 const char *str; /**< The name of this symbol. */
94 typetag_t typetag; /**< The type tag of this symbol. */
95 unsigned code; /**< The value of this symbol. */
98 typedef struct id_entry
104 /** The symbol table, a set of symbol_t elements. */
109 * Calculate a hash value for a string.
111 static unsigned string_hash(const char *str, int len)
113 return str[0] * 27893 ^ str[len-1] * 81 ^ str[len >> 1];
117 * Compare two symbol table entries.
119 static int symbol_cmp(const void *elt, const void *key, size_t size)
122 const symbol_t *entry = (const symbol_t *) elt;
123 const symbol_t *keyentry = (const symbol_t *) key;
125 res = entry->typetag - keyentry->typetag;
127 return strcmp(entry->str, keyentry->str);
130 static int id_cmp(const void *elt, const void *key, size_t size)
132 const id_entry *entry = (const id_entry *) elt;
133 const id_entry *keyentry = (const id_entry *) key;
135 return entry->id - keyentry->id;
138 /** Initializes the symbol table. May be called more than once without problems. */
139 static void symtbl_init(void)
143 /* Only initialize once */
147 symtbl = new_set(symbol_cmp, 256);
149 #define INSERT(s, tt, cod) \
151 key.typetag = (tt); \
153 set_insert(symtbl, &key, sizeof(key), string_hash(s, sizeof(s)-1) + tt * 17)
155 #define INSERTENUM(tt, e) INSERT(#e, tt, e)
156 #define INSERTKEYWORD(k) INSERT(#k, tt_keyword, kw_##k)
158 INSERT("array", tt_tpo, tpo_array);
159 INSERT("class", tt_tpo, tpo_class);
160 INSERT("method", tt_tpo, tpo_method);
161 INSERT("pointer", tt_tpo, tpo_pointer);
162 INSERT("primitive", tt_tpo, tpo_primitive);
163 INSERT("struct", tt_tpo, tpo_struct);
164 INSERT("union", tt_tpo, tpo_union);
165 INSERT("Unknown", tt_tpo, tpo_unknown);
167 INSERTKEYWORD(constirg);
168 INSERTKEYWORD(entity);
169 INSERTKEYWORD(frametype);
171 INSERTKEYWORD(valuetype);
173 INSERTKEYWORD(typegraph);
175 #include "gen_irio_lex.inl"
177 INSERTENUM(tt_align, align_non_aligned);
178 INSERTENUM(tt_align, align_is_aligned);
180 INSERTENUM(tt_allocation, allocation_automatic);
181 INSERTENUM(tt_allocation, allocation_parameter);
182 INSERTENUM(tt_allocation, allocation_dynamic);
183 INSERTENUM(tt_allocation, allocation_static);
185 INSERTENUM(tt_builtin, ir_bk_trap);
186 INSERTENUM(tt_builtin, ir_bk_debugbreak);
187 INSERTENUM(tt_builtin, ir_bk_return_address);
188 INSERTENUM(tt_builtin, ir_bk_frame_addess);
189 INSERTENUM(tt_builtin, ir_bk_prefetch);
190 INSERTENUM(tt_builtin, ir_bk_ffs);
191 INSERTENUM(tt_builtin, ir_bk_clz);
192 INSERTENUM(tt_builtin, ir_bk_ctz);
193 INSERTENUM(tt_builtin, ir_bk_popcount);
194 INSERTENUM(tt_builtin, ir_bk_parity);
195 INSERTENUM(tt_builtin, ir_bk_bswap);
196 INSERTENUM(tt_builtin, ir_bk_inport);
197 INSERTENUM(tt_builtin, ir_bk_outport);
198 INSERTENUM(tt_builtin, ir_bk_inner_trampoline);
200 INSERTENUM(tt_cond_kind, dense);
201 INSERTENUM(tt_cond_kind, fragmentary);
203 INSERTENUM(tt_cond_jmp_predicate, COND_JMP_PRED_NONE);
204 INSERTENUM(tt_cond_jmp_predicate, COND_JMP_PRED_TRUE);
205 INSERTENUM(tt_cond_jmp_predicate, COND_JMP_PRED_FALSE);
207 INSERTENUM(tt_initializer, IR_INITIALIZER_CONST);
208 INSERTENUM(tt_initializer, IR_INITIALIZER_TARVAL);
209 INSERTENUM(tt_initializer, IR_INITIALIZER_NULL);
210 INSERTENUM(tt_initializer, IR_INITIALIZER_COMPOUND);
212 INSERTENUM(tt_peculiarity, peculiarity_description);
213 INSERTENUM(tt_peculiarity, peculiarity_inherited);
214 INSERTENUM(tt_peculiarity, peculiarity_existent);
216 INSERTENUM(tt_pin_state, op_pin_state_floats);
217 INSERTENUM(tt_pin_state, op_pin_state_pinned);
218 INSERTENUM(tt_pin_state, op_pin_state_exc_pinned);
219 INSERTENUM(tt_pin_state, op_pin_state_mem_pinned);
221 INSERTENUM(tt_type_state, layout_undefined);
222 INSERTENUM(tt_type_state, layout_fixed);
224 INSERTENUM(tt_variability, variability_uninitialized);
225 INSERTENUM(tt_variability, variability_initialized);
226 INSERTENUM(tt_variability, variability_part_constant);
227 INSERTENUM(tt_variability, variability_constant);
229 INSERTENUM(tt_visibility, visibility_local);
230 INSERTENUM(tt_visibility, visibility_external_visible);
231 INSERTENUM(tt_visibility, visibility_external_allocated);
233 INSERTENUM(tt_volatility, volatility_non_volatile);
234 INSERTENUM(tt_volatility, volatility_is_volatile);
241 /** Returns the according symbol value for the given string and tag, or SYMERROR if none was found. */
242 static unsigned symbol(const char *str, typetag_t typetag)
244 symbol_t key, *entry;
247 key.typetag = typetag;
249 entry = set_find(symtbl, &key, sizeof(key), string_hash(str, strlen(str)) + typetag * 17);
250 return entry ? entry->code : SYMERROR;
253 static void *get_id(io_env_t *env, long id)
255 id_entry key, *entry;
258 entry = set_find(env->idset, &key, sizeof(key), (unsigned) id);
259 return entry ? entry->elem : NULL;
262 static void set_id(io_env_t *env, long id, void *elem)
267 set_insert(env->idset, &key, sizeof(key), (unsigned) id);
270 static void write_mode(io_env_t *env, ir_mode *mode)
272 fputs(get_mode_name(mode), env->file);
273 fputc(' ', env->file);
276 static void write_tarval(io_env_t *env, tarval *tv)
279 write_mode(env, get_tarval_mode(tv));
280 tarval_snprintf(buf, sizeof(buf), tv);
281 fputs(buf, env->file);
282 fputc(' ', env->file);
285 static void write_align(io_env_t *env, ir_node *irn)
289 if(is_Load(irn)) align = get_Load_align(irn);
290 else if(is_Store(irn)) align = get_Store_align(irn);
291 else assert(0 && "Invalid optype for write_align");
293 fputs(get_align_name(align), env->file);
294 fputc(' ', env->file);
297 static void write_builtin_kind(io_env_t *env, ir_node *irn)
299 fputs(get_builtin_kind_name(get_Builtin_kind(irn)), env->file);
300 fputc(' ', env->file);
303 static void write_cond_kind(io_env_t *env, ir_node *irn)
305 fputs(get_cond_kind_name(get_Cond_kind(irn)), env->file);
306 fputc(' ', env->file);
309 static void write_cond_jmp_predicate(io_env_t *env, ir_node *irn)
311 fputs(get_cond_jmp_predicate_name(get_Cond_jmp_pred(irn)), env->file);
312 fputc(' ', env->file);
315 static void write_initializer(io_env_t *env, ir_initializer_t *ini)
318 ir_initializer_kind_t ini_kind = get_initializer_kind(ini);
320 fputs(get_initializer_kind_name(ini_kind), f);
325 case IR_INITIALIZER_CONST:
326 fprintf(f, "%ld ", get_irn_node_nr(get_initializer_const_value(ini)));
329 case IR_INITIALIZER_TARVAL:
330 write_tarval(env, get_initializer_tarval_value(ini));
333 case IR_INITIALIZER_NULL:
336 case IR_INITIALIZER_COMPOUND:
338 unsigned i, n = get_initializer_compound_n_entries(ini);
339 fprintf(f, "%d ", n);
340 for(i = 0; i < n; i++)
341 write_initializer(env, get_initializer_compound_value(ini, i));
346 panic("Unknown initializer kind");
350 static void write_pin_state(io_env_t *env, ir_node *irn)
352 fputs(get_op_pin_state_name(get_irn_pinned(irn)), env->file);
353 fputc(' ', env->file);
356 static void write_volatility(io_env_t *env, ir_node *irn)
360 if(is_Load(irn)) vol = get_Load_volatility(irn);
361 else if(is_Store(irn)) vol = get_Store_volatility(irn);
362 else assert(0 && "Invalid optype for write_volatility");
364 fputs(get_volatility_name(vol), env->file);
365 fputc(' ', env->file);
368 static void export_type_common(io_env_t *env, ir_type *tp)
370 fprintf(env->file, "\t%s %ld %s \"%s\" %u %u %s %s ",
371 is_frame_type(tp) ? "frametype" : is_value_param_type(tp) ? "valuetype" : "type",
373 get_type_tpop_name(tp),
375 get_type_size_bytes(tp),
376 get_type_alignment_bytes(tp),
377 get_type_state_name(get_type_state(tp)),
378 get_visibility_name(get_type_visibility(tp)));
381 static void export_type_pre(io_env_t *env, ir_type *tp)
386 // skip types to be handled by post walker
387 switch(get_type_tpop_code(tp))
395 export_type_common(env, tp);
397 switch(get_type_tpop_code(tp))
400 /* TODO: inheritance stuff not supported yet */
401 printf("Inheritance of classes not supported yet!\n");
405 write_mode(env, get_type_mode(tp));
418 printf("export_type_pre: Unknown type code \"%s\".\n", get_type_tpop_name(tp));
424 static void export_type_post(io_env_t *env, ir_type *tp)
429 // skip types already handled by pre walker
430 switch(get_type_tpop_code(tp))
440 export_type_common(env, tp);
442 switch(get_type_tpop_code(tp))
446 int n = get_array_n_dimensions(tp);
447 fprintf(f, "%i %ld ", n, get_type_nr(get_array_element_type(tp)));
448 for(i = 0; i < n; i++)
450 ir_node *lower = get_array_lower_bound(tp, i);
451 ir_node *upper = get_array_upper_bound(tp, i);
453 if(is_Const(lower)) fprintf(f, "%ld ", get_tarval_long(get_Const_tarval(lower)));
454 else panic("Lower array bound is not constant");
456 if(is_Const(upper)) fprintf(f, "%ld ", get_tarval_long(get_Const_tarval(upper)));
457 else if(is_Unknown(upper)) fputs("unknown ", f);
458 else panic("Upper array bound is not constant");
465 int nparams = get_method_n_params(tp);
466 int nresults = get_method_n_ress(tp);
467 fprintf(f, "0x%X 0x%X %i %i ", get_method_calling_convention(tp),
468 get_method_additional_properties(tp), nparams, nresults);
469 for(i = 0; i < nparams; i++)
470 fprintf(f, "%ld ", get_type_nr(get_method_param_type(tp, i)));
471 for(i = 0; i < nresults; i++)
472 fprintf(f, "%ld ", get_type_nr(get_method_res_type(tp, i)));
473 fprintf(f, "%d ", get_method_first_variadic_param_index(tp));
478 write_mode(env, get_type_mode(tp));
479 fprintf(f, "%ld ", get_type_nr(get_pointer_points_to_type(tp)));
483 printf("export_type: Unknown type code \"%s\".\n", get_type_tpop_name(tp));
489 static void export_entity(io_env_t *env, ir_entity *ent)
491 ir_type *owner = get_entity_owner(ent);
492 fprintf(env->file, "\tentity %ld \"%s\" \"%s\" %ld %ld %d %u %s %s %s %s %s ",
494 get_entity_name(ent),
495 ent->ld_name ? get_id_str(ent->ld_name) : "",
496 get_type_nr(get_entity_type(ent)),
498 get_entity_offset(ent),
499 (unsigned) get_entity_offset_bits_remainder(ent),
500 get_allocation_name(get_entity_allocation(ent)),
501 get_visibility_name(get_entity_visibility(ent)),
502 get_variability_name(get_entity_variability(ent)),
503 get_peculiarity_name(get_entity_peculiarity(ent)),
504 get_volatility_name(get_entity_volatility(ent)));
506 // TODO: inheritance stuff for class entities not supported yet
507 if(is_Class_type(owner) && owner != get_glob_type())
508 printf("Inheritance of class entities not supported yet!\n");
510 if(get_entity_variability(ent) != variability_uninitialized
511 && get_entity_visibility(ent) != visibility_external_allocated)
513 if(is_compound_entity(ent))
515 if(has_entity_initializer(ent))
517 fputs("initializer ", env->file);
518 write_initializer(env, get_entity_initializer(ent));
522 int i, n = get_compound_ent_n_values(ent);
523 fputs("noninitializer ", env->file);
524 fprintf(env->file, "%d ", n);
525 for(i = 0; i < n; i++)
527 ir_entity *member = get_compound_ent_value_member(ent, i);
528 ir_node *irn = get_compound_ent_value(ent, i);
529 fprintf(env->file, "%ld %ld ", get_entity_nr(member), get_irn_node_nr(irn));
535 ir_node *irn = get_atomic_ent_value(ent);
536 fprintf(env->file, "%ld ", get_irn_node_nr(irn));
540 fputc('\n', env->file);
543 static void export_type_or_ent_pre(type_or_ent tore, void *ctx)
545 io_env_t *env = (io_env_t *) ctx;
546 if(get_kind(tore.typ) == k_type)
547 export_type_pre(env, tore.typ);
550 static void export_type_or_ent_post(type_or_ent tore, void *ctx)
552 io_env_t *env = (io_env_t *) ctx;
554 switch(get_kind(tore.ent))
557 export_entity(env, tore.ent);
561 export_type_post(env, tore.typ);
565 printf("export_type_or_ent_post: Unknown type or entity.\n");
570 static void export_node(ir_node *irn, void *ctx)
572 io_env_t *env = (io_env_t *) ctx;
574 unsigned opcode = get_irn_opcode(irn);
576 if(env->ignoreblocks && opcode == iro_Block)
579 n = get_irn_arity(irn);
581 fprintf(env->file, "\t%s %ld [ ", get_irn_opname(irn), get_irn_node_nr(irn));
583 for(i = -1; i < n; i++)
585 ir_node *pred = get_irn_n(irn, i);
587 /* Anchor node may have NULL predecessors */
588 assert(is_Anchor(irn));
589 fputs("-1 ", env->file);
591 fprintf(env->file, "%ld ", get_irn_node_nr(pred));
595 fprintf(env->file, "] { ");
599 #include "gen_irio_export.inl"
601 fputs("}\n", env->file);
604 /** Exports the whole irp to the given file in a textual form. */
605 void ir_export(const char *filename)
608 int i, n_irgs = get_irp_n_irgs(), n_pseudoirgs = get_irp_n_pseudo_irgs();
610 env.file = fopen(filename, "wt");
617 fputs("typegraph {\n", env.file);
619 type_walk_plus_frames(export_type_or_ent_pre, export_type_or_ent_post, &env);
620 /* TODO: Visit frame types and "types for value params"? */
622 for(i = 0; i < n_irgs; i++)
624 ir_graph *irg = get_irp_irg(i);
625 ir_type *valuetype = get_irg_value_param_type(irg);
627 fprintf(env.file, "}\n\nirg %ld %ld %ld {\n", get_entity_nr(get_irg_entity(irg)),
628 get_type_nr(get_irg_frame_type(irg)),
629 valuetype == NULL ? -1 : get_type_nr(valuetype));
631 env.ignoreblocks = 0;
632 irg_block_walk_graph(irg, NULL, export_node, &env);
634 env.ignoreblocks = 1;
635 irg_walk_anchors(irg, NULL, export_node, &env);
638 fprintf(env.file, "}\n\nconstirg %ld {\n", get_irn_node_nr(get_const_code_irg()->current_block));
640 walk_const_code(NULL, export_node, &env);
641 fputs("}\n", env.file);
646 /** Exports the given irg to the given file. */
647 void ir_export_irg(ir_graph *irg, const char *filename)
651 env.file = fopen(filename, "wt");
658 fputs("typegraph {\n", env.file);
660 type_walk_irg(irg, export_type_or_ent_pre, export_type_or_ent_post, &env);
662 fprintf(env.file, "}\n\nirg %ld {\n", get_entity_nr(get_irg_entity(irg)));
664 env.ignoreblocks = 0;
665 irg_block_walk_graph(irg, NULL, export_node, &env);
667 env.ignoreblocks = 1;
668 irg_walk_anchors(irg, NULL, export_node, &env);
670 /* TODO: Only output needed constants */
671 fputs("}\n\nconstirg {\n", env.file);
672 walk_const_code(NULL, export_node, &env);
673 fputs("}\n", env.file);
678 static void save_lex_state(io_env_t *env, lex_state_t *state)
680 state->offs = ftell(env->file);
681 state->line = env->line;
682 state->col = env->col;
685 static void restore_lex_state(io_env_t *env, lex_state_t *state)
687 fseek(env->file, state->offs, SEEK_SET);
688 env->line = state->line;
689 env->col = state->col;
692 static int read_c(io_env_t *env)
694 int ch = fgetc(env->file);
713 /** Returns the first non-whitespace character or EOF. **/
714 static int skip_ws(io_env_t *env)
718 int ch = read_c(env);
733 static void skip_to(io_env_t *env, char to_ch)
740 while(ch != to_ch && ch != EOF);
743 static int expect_char(io_env_t *env, char ch)
745 int curch = skip_ws(env);
748 printf("Unexpected char '%c', expected '%c' in line %i:%i\n", curch, ch, env->line, env->col);
754 #define EXPECT(c) if(expect_char(env, (c))) {} else return 0
755 #define EXPECT_OR_EXIT(c) if(expect_char(env, (c))) {} else exit(1)
757 inline static const char *read_str_to(io_env_t *env, char *buf, size_t bufsize)
760 for(i = 0; i < bufsize - 1; i++)
762 int ch = read_c(env);
772 i--; // skip whitespace
785 static const char *read_str(io_env_t *env)
787 static char buf[1024];
788 return read_str_to(env, buf, sizeof(buf));
791 static const char *read_qstr_to(io_env_t *env, char *buf, size_t bufsize)
794 EXPECT_OR_EXIT('\"');
795 for(i = 0; i < bufsize - 1; i++)
797 int ch = read_c(env);
800 printf("Unexpected end of quoted string!\n");
803 if(ch == '\"') break;
809 printf("Quoted string too long!\n");
816 static long read_long2(io_env_t *env, char **endptr)
818 static char buf[1024];
819 return strtol(read_str_to(env, buf, sizeof(buf)), endptr, 0);
822 static long read_long(io_env_t *env)
824 return read_long2(env, NULL);
827 static ir_node *get_node_or_null(io_env_t *env, long nodenr)
829 ir_node *node = (ir_node *) get_id(env, nodenr);
830 if(node && node->kind != k_ir_node)
832 panic("Irn ID %ld collides with something else in line %i:%i\n", nodenr, env->line, env->col);
837 static ir_node *get_node(io_env_t *env, long nodenr)
839 ir_node *node = get_node_or_null(env, nodenr);
841 panic("Unknown node: %ld in line %i:%i\n", nodenr, env->line, env->col);
846 static ir_node *get_node_or_dummy(io_env_t *env, long nodenr)
848 ir_node *node = get_node_or_null(env, nodenr);
851 node = new_Dummy(mode_X);
852 set_id(env, nodenr, node);
857 static ir_type *get_type(io_env_t *env, long typenr)
859 ir_type *type = (ir_type *) get_id(env, typenr);
862 panic("Unknown type: %ld in line %i:%i\n", typenr, env->line, env->col);
864 else if(type->kind != k_type)
866 panic("Type ID %ld collides with something else in line %i:%i\n", typenr, env->line, env->col);
871 static ir_type *read_type(io_env_t *env)
873 return get_type(env, read_long(env));
876 static ir_entity *get_entity(io_env_t *env, long entnr)
878 ir_entity *entity = (ir_entity *) get_id(env, entnr);
881 printf("Unknown entity: %ld in line %i:%i\n", entnr, env->line, env->col);
884 else if(entity->kind != k_entity)
886 panic("Entity ID %ld collides with something else in line %i:%i\n", entnr, env->line, env->col);
891 static ir_entity *read_entity(io_env_t *env)
893 return get_entity(env, read_long(env));
896 static ir_mode *read_mode(io_env_t *env)
898 static char buf[128];
901 read_str_to(env, buf, sizeof(buf));
903 n = get_irp_n_modes();
904 for(i = 0; i < n; i++)
906 ir_mode *mode = get_irp_mode(i);
907 if(!strcmp(buf, get_mode_name(mode)))
911 printf("Unknown mode \"%s\" in line %i:%i\n", buf, env->line, env->col);
915 static const char *get_typetag_name(typetag_t typetag)
919 case tt_align: return "align";
920 case tt_allocation: return "allocation";
921 case tt_builtin: return "builtin kind";
922 case tt_initializer: return "initializer kind";
923 case tt_iro: return "opcode";
924 case tt_peculiarity: return "peculiarity";
925 case tt_pin_state: return "pin state";
926 case tt_tpo: return "type";
927 case tt_type_state: return "type state";
928 case tt_variability: return "variability";
929 case tt_visibility: return "visibility";
930 case tt_volatility: return "volatility";
931 default: return "<UNKNOWN>";
936 * Read and decode an enum constant.
938 static unsigned read_enum(io_env_t *env, typetag_t typetag)
940 static char buf[128];
941 unsigned code = symbol(read_str_to(env, buf, sizeof(buf)), typetag);
945 printf("Invalid %s: \"%s\" in %i:%i\n", get_typetag_name(typetag), buf, env->line, env->col);
949 #define read_align(env) ((ir_align) read_enum(env, tt_align))
950 #define read_allocation(env) ((ir_allocation) read_enum(env, tt_allocation))
951 #define read_builtin_kind(env) ((ir_builtin_kind) read_enum(env, tt_builtin))
952 #define read_cond_kind(env) ((cond_kind) read_enum(env, tt_cond_kind))
953 #define read_cond_jmp_predicate(env) ((cond_jmp_predicate) read_enum(env, tt_cond_jmp_predicate))
954 #define read_initializer_kind(env) ((ir_initializer_kind_t) read_enum(env, tt_initializer))
955 #define read_peculiarity(env) ((ir_peculiarity) read_enum(env, tt_peculiarity))
956 #define read_pin_state(env) ((op_pin_state) read_enum(env, tt_pin_state))
957 #define read_type_state(env) ((ir_type_state) read_enum(env, tt_type_state))
958 #define read_variability(env) ((ir_variability) read_enum(env, tt_variability))
959 #define read_visibility(env) ((ir_visibility) read_enum(env, tt_visibility))
960 #define read_volatility(env) ((ir_volatility) read_enum(env, tt_volatility))
962 static ir_cons_flags get_cons_flags(io_env_t *env)
964 ir_cons_flags flags = cons_none;
966 op_pin_state pinstate = read_pin_state(env);
969 case op_pin_state_floats: flags |= cons_floats; break;
970 case op_pin_state_pinned: break;
972 panic("Error in %i:%i: Invalid pinstate: %s", env->line, env->col, get_op_pin_state_name(pinstate));
975 if(read_volatility(env) == volatility_is_volatile) flags |= cons_volatile;
976 if(read_align(env) == align_non_aligned) flags |= cons_unaligned;
981 static tarval *read_tv(io_env_t *env)
983 static char buf[128];
984 ir_mode *tvmode = read_mode(env);
985 read_str_to(env, buf, sizeof(buf));
986 return new_tarval_from_str(buf, strlen(buf), tvmode);
989 static ir_initializer_t *read_initializer(io_env_t *env)
992 ir_initializer_kind_t ini_kind = read_initializer_kind(env);
996 case IR_INITIALIZER_CONST:
998 ir_node *irn = get_node_or_dummy(env, read_long(env));
999 return create_initializer_const(irn);
1002 case IR_INITIALIZER_TARVAL:
1003 return create_initializer_tarval(read_tv(env));
1005 case IR_INITIALIZER_NULL:
1006 return get_initializer_null();
1008 case IR_INITIALIZER_COMPOUND:
1010 unsigned i, n = (unsigned) read_long(env);
1011 ir_initializer_t *ini = create_initializer_compound(n);
1012 for(i = 0; i < n; i++)
1014 ir_initializer_t *curini = read_initializer(env);
1015 set_initializer_compound_value(ini, i, curini);
1021 panic("Unknown initializer kind");
1026 /** Reads a type description and remembers it by its id. */
1027 static void import_type(io_env_t *env, keyword_t kwkind)
1032 long typenr = read_long(env);
1033 const char *tpop = read_str(env);
1034 const char *name = read_qstr_to(env, buf, sizeof(buf));
1035 unsigned size = (unsigned) read_long(env);
1036 unsigned align = (unsigned) read_long(env);
1037 ir_type_state state = read_type_state(env);
1038 ir_visibility vis = read_visibility(env);
1040 ident *id = new_id_from_str(name);
1042 const char *kindstr;
1044 if(kwkind == kw_frametype)
1046 if(symbol(tpop, tt_tpo) != tpo_class)
1048 printf("Frame type must be a class type in line %i:%i\n", env->line, env->col);
1053 type = new_type_frame(id);
1054 set_type_size_bytes(type, size);
1056 kindstr = "frametype";
1058 else if(kwkind == kw_valuetype)
1060 if(symbol(tpop, tt_tpo) != tpo_struct)
1062 printf("Value type must be a struct type in line %i:%i\n", env->line, env->col);
1067 type = new_type_value(id);
1068 set_type_size_bytes(type, size);
1070 kindstr = "valuetype";
1074 switch(symbol(tpop, tt_tpo))
1078 int ndims = (int) read_long(env);
1079 long elemtypenr = read_long(env);
1080 ir_type *elemtype = get_type(env, elemtypenr);
1082 type = new_type_array(id, ndims, elemtype);
1083 for(i = 0; i < ndims; i++)
1085 const char *str = read_str(env);
1086 if(strcmp(str, "unknown"))
1088 long lowerbound = strtol(str, NULL, 0);
1089 set_array_lower_bound_int(type, i, lowerbound);
1091 str = read_str(env);
1092 if(strcmp(str, "unknown"))
1094 long upperbound = strtol(str, NULL, 0);
1095 set_array_upper_bound_int(type, i, upperbound);
1098 set_type_size_bytes(type, size);
1103 type = new_type_class(id);
1104 set_type_size_bytes(type, size);
1109 unsigned callingconv = (unsigned) read_long(env);
1110 unsigned addprops = (unsigned) read_long(env);
1111 int nparams = (int) read_long(env);
1112 int nresults = (int) read_long(env);
1115 type = new_type_method(id, nparams, nresults);
1117 for(i = 0; i < nparams; i++)
1119 long typenr = read_long(env);
1120 ir_type *paramtype = get_type(env, typenr);
1122 set_method_param_type(type, i, paramtype);
1124 for(i = 0; i < nresults; i++)
1126 long typenr = read_long(env);
1127 ir_type *restype = get_type(env, typenr);
1129 set_method_res_type(type, i, restype);
1132 variaindex = (int) read_long(env);
1133 if(variaindex != -1)
1135 set_method_variadicity(type, variadicity_variadic);
1136 if(variaindex != nparams)
1137 set_method_first_variadic_param_index(type, variaindex);
1140 set_method_calling_convention(type, callingconv);
1141 set_method_additional_properties(type, addprops);
1147 ir_mode *mode = read_mode(env);
1148 ir_type *pointsto = get_type(env, read_long(env));
1149 type = new_type_pointer(id, pointsto, mode);
1155 ir_mode *mode = read_mode(env);
1156 type = new_type_primitive(id, mode);
1161 type = new_type_struct(id);
1162 set_type_size_bytes(type, size);
1166 type = new_type_union(id);
1167 set_type_size_bytes(type, size);
1171 return; // ignore unknown type
1174 if(typenr != 0) // ignore global type
1175 printf("Unknown type kind: \"%s\" in line %i:%i\n", tpop, env->line, env->col);
1182 set_type_alignment_bytes(type, align);
1183 set_type_visibility(type, vis);
1185 if(state == layout_fixed)
1186 ARR_APP1(ir_type *, env->fixedtypes, type);
1188 set_id(env, typenr, type);
1189 printf("Insert %s %s %ld\n", kindstr, name, typenr);
1192 /** Reads an entity description and remembers it by its id. */
1193 static void import_entity(io_env_t *env)
1195 char buf[1024], buf2[1024];
1196 long entnr = read_long(env);
1197 const char *name = read_qstr_to(env, buf, sizeof(buf));
1198 const char *ld_name = read_qstr_to(env, buf2, sizeof(buf2));
1199 long typenr = read_long(env);
1200 long ownertypenr = read_long(env);
1202 ir_type *type = get_type(env, typenr);
1203 ir_type *ownertype = !ownertypenr ? get_glob_type() : get_type(env, ownertypenr);
1204 ir_entity *entity = new_entity(ownertype, new_id_from_str(name), type);
1206 if(*ld_name) set_entity_ld_ident(entity, new_id_from_str(ld_name));
1207 set_entity_offset (entity, (int) read_long(env));
1208 set_entity_offset_bits_remainder(entity, (unsigned char) read_long(env));
1209 set_entity_allocation (entity, read_allocation(env));
1210 set_entity_visibility (entity, read_visibility(env));
1211 set_entity_variability(entity, read_variability(env));
1212 set_entity_peculiarity(entity, read_peculiarity(env));
1213 set_entity_volatility (entity, read_volatility(env));
1215 if(get_entity_variability(entity) != variability_uninitialized
1216 && get_entity_visibility(entity) != visibility_external_allocated)
1218 if(is_compound_entity(entity))
1220 if(!strcmp(read_str_to(env, buf2, sizeof(buf2)), "initializer"))
1222 set_entity_initializer(entity, read_initializer(env));
1226 int i, n = (int) read_long(env);
1227 for(i = 0; i < n; i++)
1229 ir_entity *member = get_entity(env, read_long(env));
1230 ir_node *irn = get_node_or_dummy(env, read_long(env));
1231 add_compound_ent_value(entity, irn, member);
1237 ir_node *irn = get_node_or_dummy(env, read_long(env));
1238 set_atomic_ent_value(entity, irn);
1242 set_id(env, entnr, entity);
1243 printf("Insert entity %s %ld\n", name, entnr);
1246 /** Parses the whole type graph. */
1247 static int parse_typegraph(io_env_t *env)
1250 lex_state_t oldstate;
1254 save_lex_state(env, &oldstate);
1256 current_ir_graph = get_const_code_irg();
1258 // parse all types first
1261 int isframetype = 0;
1263 kind = read_str(env);
1264 if(kind[0] == '}' && !kind[1]) break;
1266 keyword_t kwkind = (keyword_t) symbol(kind, tt_keyword);
1272 import_type(env, kwkind);
1282 restore_lex_state(env, &oldstate);
1286 kind = read_str(env);
1287 if(kind[0] == '}' && !kind[1]) break;
1289 switch(symbol(kind, tt_keyword))
1302 printf("Type graph element not supported yet: \"%s\"\n", kind);
1310 static int read_node_header(io_env_t *env, long *nodenr, long **preds, const char **nodename)
1313 *nodename = read_str(env);
1314 if((*nodename)[0] == '}' && !(*nodename)[1]) return -1; // end-of-graph
1316 *nodenr = read_long(env);
1318 ARR_RESIZE(ir_node *, *preds, 0);
1321 for(numpreds = 0; !feof(env->file); numpreds++)
1324 ARR_APP1(long, *preds, read_long2(env, &endptr));
1325 if(*endptr == ']') break;
1330 /** Parses an IRG. */
1331 static int parse_graph(io_env_t *env, ir_graph *irg)
1333 long *preds = NEW_ARR_F(long, 16);
1334 ir_node **prednodes = NEW_ARR_F(ir_node *, 16);
1335 int i, numpreds, ret = 1;
1337 const char *nodename;
1338 ir_node *node, *newnode;
1340 current_ir_graph = irg;
1346 numpreds = read_node_header(env, &nodenr, &preds, &nodename);
1347 if(numpreds == -1) break; // end-of-graph
1350 printf("Node %s %ld is missing predecessors!", nodename, nodenr);
1355 ARR_RESIZE(ir_node *, prednodes, numpreds);
1356 for(i = 0; i < numpreds - 1; i++)
1357 prednodes[i] = get_node_or_dummy(env, preds[i + 1]);
1359 node = get_node_or_null(env, nodenr);
1364 switch(symbol(nodename, tt_iro))
1368 ir_node *newendblock = get_node(env, preds[0]);
1369 newnode = get_irg_end(current_ir_graph);
1370 exchange(get_nodes_block(newnode), newendblock);
1371 for(i = 0; i < numpreds - 1; i++)
1372 add_irn_n(newnode, prednodes[i]);
1378 ir_node *newstartblock = get_node(env, preds[0]);
1379 newnode = get_irg_start(current_ir_graph);
1380 exchange(get_nodes_block(newnode), newstartblock);
1386 if(preds[0] != nodenr)
1388 printf("Invalid block: preds[0] != nodenr (%ld != %ld)\n",
1394 newnode = new_Block(numpreds - 1, prednodes);
1399 newnode = current_ir_graph->anchor;
1400 for(i = 0; i < numpreds - 1; i++)
1401 set_irn_n(newnode, i, prednodes[i]);
1402 set_irn_n(newnode, -1, get_node(env, preds[0]));
1407 long entnr = read_long(env);
1408 union symconst_symbol sym;
1409 sym.entity_p = get_entity(env, entnr);
1410 newnode = new_SymConst(mode_P, sym, symconst_addr_ent);
1414 #include "gen_irio_import.inl"
1425 panic("Node type not supported yet: %s in line %i:%i\n", nodename, env->line, env->col);
1429 exchange(node, newnode);
1430 /* Always update hash entry to avoid more uses of id nodes */
1431 set_id(env, nodenr, newnode);
1432 //printf("Insert %s %ld\n", nodename, nodenr);
1437 DEL_ARR_F(prednodes);
1442 /** Imports an previously exported textual representation of an (maybe partial) irp */
1443 void ir_import(const char *filename)
1445 int oldoptimize = get_optimize();
1446 firm_verification_t oldver = get_node_verification_mode();
1448 io_env_t *env = &ioenv;
1453 memset(env, 0, sizeof(*env));
1454 env->idset = new_set(id_cmp, 128);
1455 env->fixedtypes = NEW_ARR_F(ir_type *, 0);
1457 env->file = fopen(filename, "rt");
1465 do_node_verification(FIRM_VERIFICATION_OFF);
1469 const char *str = read_str(env);
1471 switch(symbol(str, tt_keyword))
1474 if(!parse_typegraph(env)) goto end;
1479 ir_entity *irgent = get_entity(env, read_long(env));
1481 ir_graph *irg = new_ir_graph(irgent, 0);
1482 set_irg_frame_type(irg, get_type(env, read_long(env)));
1483 valuetypeid = read_long(env);
1484 if(valuetypeid != -1)
1485 set_method_value_param_type(get_entity_type(irgent),
1486 get_type(env, valuetypeid));
1488 if(!parse_graph(env, irg)) goto end;
1494 ir_graph *constirg = get_const_code_irg();
1495 long bodyblockid = read_long(env);
1496 set_id(env, bodyblockid, constirg->current_block);
1497 if(!parse_graph(env, constirg)) goto end;
1504 n = ARR_LEN(env->fixedtypes);
1505 for(i = 0; i < n; i++)
1506 set_type_state(env->fixedtypes[i], layout_fixed);
1508 DEL_ARR_F(env->fixedtypes);
1510 del_set(env->idset);
1512 irp_finalize_cons();
1514 do_node_verification(oldver);
1515 set_optimize(oldoptimize);