6 * File name: ir/external/read.c
7 * Purpose: Read descriptions of external effects
9 * Modified by: Boris Boesler
12 * Copyright: (c) 1999-2004 Universität Karlsruhe
13 * Licence: This file is protected by GPL - GNU GENERAL PUBLIC LICENSE.
29 #include <libxml/xmlmemory.h>
30 #include <libxml/parser.h>
31 #include <libxml/encoding.h>
37 #include "pseudo_irg.h"
46 # define MY_ENCODING "ISO-8859-1"
48 # define CHECK(ptr,msg) assert (ptr && msg)
50 # define NODE_NAME(n, m) (0 == xmlStrcmp (n->name, (const xmlChar*) #m))
51 # define CHECK_NAME(n, m) assert (0 == xmlStrcmp (n->name, (const xmlChar*) #m))
53 # define NEW(T) (T*)xmalloc(sizeof (T))
56 #define VERBOSE_PRINTING 0
59 # define VERBOSE_PRINT(s) fprintf s
61 # define VERBOSE_PRINT(s)
66 static type_t *types = NULL;
67 static entity_t *entities = NULL;
68 static proc_t *procs = NULL;
69 static module_t *modules = NULL;
72 static module_t *current_module = NULL;
75 /* this is only used inside a VERBOSE_PRINT() call */
76 static const char *effect_string[] = {
89 #endif /* defined VERBOSE_PRINTING */
92 getNodeModuleIdent (xmlNodePtr node)
94 const char *mod_str = (const char*) xmlGetProp (node, BAD_CAST "module");
96 if (NULL == mod_str) {
99 ident *res = new_id_from_str (mod_str);
105 getNodeProcName (xmlNodePtr node)
107 const char *proc_str = (const char*) xmlGetProp (node, BAD_CAST "procname");
114 getNodeClassName (xmlNodePtr node)
116 char *proc_str = (char*) xmlGetProp (node, BAD_CAST "class");
118 return ( (proc_str));
120 # endif /* defined NEEDED */
123 getNodeId (xmlNodePtr node)
125 const char *id_str = (const char*) xmlGetProp (node, BAD_CAST "id");
131 getNodeRefId (xmlNodePtr node)
133 const char *refid_str = (char*) xmlGetProp (node, BAD_CAST "refid");
135 return ((refid_str));
139 getNodeTypeId (xmlNodePtr node)
141 const char *type_str = (char*) xmlGetProp (node, BAD_CAST "type");
147 *getNodeTypeStr (xmlNodePtr node)
149 const char *type_str = (char*) xmlGetProp (node, BAD_CAST "type");
155 getNodeOwnerStr (xmlNodePtr node)
157 const char *owner_str = (char*) xmlGetProp (node, BAD_CAST "owner");
163 *getNodeEntityStr (xmlNodePtr node)
165 const char *ent_str = (char*) xmlGetProp (node, BAD_CAST "ir_entity");
177 type_t *getTypeByIdent (ident *id)
179 type_t *curr = types; // @@@ TODO module -> types
181 while (NULL != curr) {
182 if (id == curr -> type_ident) {
190 # endif /* defined NEEDED */
194 type_t *getTypeById (ident *id)
196 type_t *curr = types; // which ones?
198 while (NULL != curr) {
199 if (id == curr -> id) {
207 # endif /* defined NEEDED */
211 entity_t *getEntityByIdents (ident *name, ident *tp_ident)
213 entity_t *curr = entities; // TODO module -> entities
215 while (NULL != curr) {
216 if ((name == curr -> ent_ident)
217 && (tp_ident == curr -> tp_ident)) {
225 # endif /* defined NEEDED */
228 entity_t *getEntityById (ident *id)
230 entity_t *curr = entities;
232 while (NULL != curr) {
233 if (id == curr -> id) {
244 proc_t *getEffectByName (ident *proc_ident)
246 proc_t *curr_effs = procs;
248 while (NULL != curr_effs) {
249 if (proc_ident == curr_effs -> proc_ident) {
252 curr_effs = curr_effs->next;
257 # endif /* defined NEEDED */
260 xmlNodePtr get_any_valid_child(xmlNodePtr elem)
264 assert(elem && "no element");
265 child = elem -> xmlChildrenNode;
266 while(child && (NODE_NAME (child, comment))) {
267 child = child -> next;
273 xmlNodePtr get_valid_child(xmlNodePtr elem)
277 child = get_any_valid_child(elem);
278 assert(child && "lost child in deep black forest");
283 * parse XML structure and construct an additional structure
286 parseArg (xmlDocPtr doc, xmlNodePtr argelm)
294 CHECK_NAME (argelm, arg);
295 VERBOSE_PRINT ((stdout, "arg node \t0x%08x\n", (int) argelm));
297 id = getNodeId (argelm);
298 VERBOSE_PRINT ((stdout, "arg->id = \"%s\"\n", id));
299 num_str = (char*) xmlGetProp (argelm, BAD_CAST "number");
300 num = atoi (num_str);
301 VERBOSE_PRINT ((stdout, "arg->no = \"%d\"\n", num));
303 typeid = getNodeTypeStr (argelm);
306 arg -> kind = eff_arg;
307 arg -> id = new_id_from_str(id);
308 arg -> effect.arg.num = num;
309 arg -> effect.arg.type_ident = new_id_from_str(typeid);
315 parseValref (xmlDocPtr doc, xmlNodePtr valelm)
320 CHECK_NAME (valelm, valref);
321 VERBOSE_PRINT ((stdout, "valref node \t0x%08x\n", (int) valelm));
323 ref_id = getNodeRefId (valelm);
324 VERBOSE_PRINT ((stdout, "val->refid = \"%s\"\n", ref_id));
326 valref = NEW (eff_t);
327 valref->kind = eff_valref;
328 valref-> id = new_id_from_str(ref_id);
334 parseSelect (xmlDocPtr doc, xmlNodePtr selelm)
336 ident *entity_id = new_id_from_str(getNodeEntityStr (selelm));
339 eff_t *valref = NULL;
340 eff_t *sel = NEW (eff_t);
341 sel->kind = eff_select;
343 CHECK_NAME (selelm, select);
344 VERBOSE_PRINT ((stdout, "select node \t0x%08x\n", (int) selelm));
346 ent = getEntityById (entity_id);
347 assert(ent && "ir_entity not found");
348 VERBOSE_PRINT ((stdout, "select ir_entity %s\n", get_id_str(ent -> ent_ident)));
350 child = selelm->xmlChildrenNode;
353 valref = parseValref (doc, child);
356 sel-> id = valref ? valref-> id : NO_ID;
357 sel-> effect.select.ent = ent;
367 parseLoad (xmlDocPtr doc, xmlNodePtr loadelm)
372 eff_t *load = NEW (eff_t);
373 load->kind = eff_load;
375 CHECK_NAME (loadelm, load);
376 VERBOSE_PRINT ((stdout, "load node \t0x%08x\n", (int) loadelm));
377 id = new_id_from_str(getNodeId (loadelm));
379 child = get_valid_child(loadelm);
380 if(NODE_NAME (child, select)) {
381 sel = parseSelect (doc, child);
382 load-> effect.load.ent = sel-> effect.select.ent;
383 VERBOSE_PRINT ((stdout, "load ir_entity \t%s\n",
384 get_id_str(load -> effect.load.ent -> ent_ident)));
387 sel = parseValref (doc, child);
388 load-> effect.load.ent = NULL;
392 load-> effect.load.ptrrefid = sel-> id;
400 parseStore (xmlDocPtr doc, xmlNodePtr storeelm)
405 eff_t *store = NEW (eff_t);
406 store->kind = eff_store;
408 CHECK_NAME (storeelm, store);
409 VERBOSE_PRINT ((stdout, "store node \t0x%08x\n", (int) storeelm));
411 child = get_valid_child(storeelm);
412 if(NODE_NAME (child, select)) {
413 sel = parseSelect (doc, child);
414 store-> effect.store.ent = sel-> effect.select.ent;
417 sel = parseValref (doc, child);
418 store-> effect.store.ent = NULL;
422 valref = parseValref (doc, child);
424 store-> effect.store.ptrrefid = sel-> id;
425 store-> effect.store.valrefid = valref-> id;
434 parseAlloc (xmlDocPtr doc, xmlNodePtr allocelm)
438 eff_t *alloc = NEW (eff_t); /* ...! */
439 alloc->kind = eff_alloc;
441 CHECK_NAME (allocelm, alloc);
442 VERBOSE_PRINT ((stdout, "alloc node \t0x%08x\n", (int) allocelm));
443 id = new_id_from_str(getNodeId (allocelm));
444 VERBOSE_PRINT ((stdout, "alloc->id = \"%s\"\n", get_id_str(id)));
445 type_id = new_id_from_str(getNodeTypeId (allocelm));
446 VERBOSE_PRINT ((stdout, "alloc->type_id = \"%s\"\n", get_id_str(type_id)));
449 alloc-> effect.alloc.tp_id = type_id;
455 parseCall (xmlDocPtr doc, xmlNodePtr callelm)
462 eff_t *call = NEW (eff_t);
463 call->kind = eff_call;
465 CHECK_NAME (callelm, call);
466 VERBOSE_PRINT ((stdout, "call node \t0x%08x\n", (int) callelm));
467 id = new_id_from_str(getNodeId (callelm));
468 VERBOSE_PRINT ((stdout, "call->id = \"%s\"\n", get_id_str(id)));
470 child = get_valid_child(callelm);
471 if(NODE_NAME (child, select)) {
472 sel = parseSelect (doc, child);
473 call-> effect.call.ent = sel-> effect.select.ent;
476 sel = parseValref (doc, child);
477 call-> effect.call.ent = NULL;
480 arg = child = child->next;
483 while (NULL != child) {
489 call-> effect.call.valrefid = sel-> id;
490 call-> effect.call.n_args = n_args;
491 call-> effect.call.args = NULL;
496 ident **args = (ident**) xmalloc(n_args * sizeof(ident*));
499 while (NULL != arg) {
500 eff_t *valref = parseValref (doc, arg);
501 args [i ++] = valref-> id;
506 call-> effect.call.args = args;
513 parseJoin (xmlDocPtr doc, xmlNodePtr joinelm)
520 eff_t *join = NEW (eff_t);
521 join->kind = eff_join;
523 CHECK_NAME (joinelm, join);
524 VERBOSE_PRINT ((stdout, "join node \t0x%08x\n", (int) joinelm));
525 id = new_id_from_str(getNodeId (joinelm));
526 VERBOSE_PRINT ((stdout, "join->id = \"%s\"\n", get_id_str(id)));
528 child = get_valid_child(joinelm);
531 while (NULL != child) {
536 ins = (ident **) xmalloc (n_ins * sizeof (ident *) );
538 child = get_valid_child(joinelm);
540 while (NULL != child) {
541 eff_t *valref = parseValref (doc, child);
542 ins [i ++] = valref-> id;
548 join-> effect.join.n_ins = n_ins;
549 join-> effect.join.ins = ins;
555 parseUnknown (xmlDocPtr doc, xmlNodePtr unknownelm)
558 eff_t *unknown = NEW (eff_t);
559 unknown->kind = eff_unknown;
561 CHECK_NAME (unknownelm, unknown);
562 VERBOSE_PRINT ((stdout, "unknown node \t0x%08x\n", (int) unknownelm));
563 id = new_id_from_str(getNodeId (unknownelm));
570 parseReturn (xmlDocPtr doc, xmlNodePtr retelm)
573 eff_t *ret = NEW (eff_t);
576 CHECK_NAME (retelm, ret);
577 VERBOSE_PRINT ((stdout, "ret node \t0x%08x\n", (int) retelm));
579 child = get_any_valid_child(retelm);
582 eff_t *valref = parseValref (doc, child);
583 ret-> effect.ret.ret_id = valref-> id;
586 ret-> effect.ret.ret_id = NO_ID;
593 parseRaise (xmlDocPtr doc, xmlNodePtr raiseelm)
598 eff_t *raise = NEW (eff_t);
599 raise->kind = eff_raise;
601 CHECK_NAME (raiseelm, raise);
602 VERBOSE_PRINT ((stdout, "raise node \t0x%08x\n", (int) raiseelm));
603 tp_id = getNodeTypeId (raiseelm);
604 VERBOSE_PRINT ((stdout, "raise->type = \"%s\"\n", tp_id));
605 child = get_valid_child(raiseelm);
607 assert (NULL != child);
609 valref = parseValref (doc, child);
610 raise-> effect.raise.valref = valref-> id;
611 raise-> effect.raise.tp_id = new_id_from_str(tp_id);
622 /** parse a type node and insert it into the list */
624 parseType (xmlDocPtr doc, xmlNodePtr typeelm)
627 const char *tp_id = getNodeId (typeelm);
628 VERBOSE_PRINT ((stdout, "type node \t0x%08x (%s)\n", (int) typeelm, tp_id));
629 VERBOSE_PRINT ((stdout, "type = \"%s\"\n", getNodeTypeStr (typeelm)));
631 type = (type_t*) xmalloc (sizeof (type_t));
632 type -> type_ident = new_id_from_str(getNodeTypeStr (typeelm));
633 type -> id = new_id_from_str(tp_id);
639 /** parse an ir_entity node and insert it into the list */
641 parseEntity (xmlDocPtr doc, xmlNodePtr entelm)
643 entity_t *ent = NEW (entity_t);
646 const char *ent_id = getNodeId (entelm);
647 /* fprintf (stdout, "ir_entity node \t0x%08x (%d)\n", (int) entelm, ent_id); */
648 VERBOSE_PRINT ((stdout, "ent = \"%s.%s\"\n",
649 getNodeTypeStr (entelm),
650 getNodeEntityStr (entelm)));
653 ent -> ent_ident = new_id_from_str (getNodeEntityStr (entelm));
654 ent -> tp_ident = new_id_from_str (getNodeTypeStr (entelm));
655 ent -> owner = new_id_from_str (getNodeOwnerStr (entelm));
656 ent -> id = new_id_from_str(ent_id);
658 ent->prev = entities;
662 /** parse any effect, and turn it into an eff_t (TODO) */
664 parseEffect (xmlDocPtr doc, xmlNodePtr effelm)
667 const char *procname = getNodeProcName (effelm);
668 const char *ownerid = getNodeOwnerStr (effelm);
669 proc_t *curr_effs = NULL;
673 VERBOSE_PRINT ((stdout, "effect for method \"%s\"\n", procname));
675 cur = effelm -> xmlChildrenNode;
676 while (NULL != cur) {
680 VERBOSE_PRINT ((stdout, "has %d effects\n", n_effs));
682 curr_effs = NEW (proc_t);
683 curr_effs -> proc_ident = new_id_from_str(procname);
684 curr_effs -> ownerid = new_id_from_str(ownerid);
685 curr_effs->effs = (eff_t**) xmalloc (n_effs * sizeof (eff_t*));
687 cur = effelm -> xmlChildrenNode;
688 while (NULL != cur) {
691 if (NODE_NAME (cur, arg)) {
692 eff = (eff_t*) parseArg (doc, cur);
693 } else if (NODE_NAME (cur, load)) {
694 eff = (eff_t*) parseLoad (doc, cur);
695 } else if (NODE_NAME (cur, store)) {
696 eff = (eff_t*) parseStore (doc, cur);
697 } else if (NODE_NAME (cur, alloc)) {
698 eff = (eff_t*) parseAlloc (doc, cur);
699 } else if (NODE_NAME (cur, call)) {
700 eff = (eff_t*) parseCall (doc, cur);
701 } else if (NODE_NAME (cur, join)) {
702 eff = (eff_t*) parseJoin (doc, cur);
703 } else if (NODE_NAME (cur, unknown)) {
704 eff = (eff_t*) parseUnknown (doc, cur);
705 } else if (NODE_NAME (cur, ret)) {
706 eff = (eff_t*) parseReturn (doc, cur);
707 } else if (NODE_NAME (cur, raise)) {
708 eff = (eff_t*) parseRaise (doc, cur);
709 } else if (NODE_NAME (cur, comment)) {
713 fprintf (stderr, "wrong element \"%s\"\n", BAD_CAST cur->name);
717 VERBOSE_PRINT ((stdout, "effect %p@%d\n", (void*)eff, i));
718 curr_effs -> effs[i++] = eff;
722 assert((i == n_effs) && "incorrect number of effects");
723 curr_effs -> n_effs = n_effs;
724 curr_effs -> next = procs;
730 int read_extern (const char *filename)
732 /* xmlNsPtr ns = NULL; */ /* no namespace for us */
733 xmlDocPtr doc; /* whole document */
734 xmlNodePtr cur; /* current node */
738 /* i've got no idea what the VERSION cast is all about. voodoo
739 programming at its finest. */
740 LIBXML_TEST_VERSION xmlKeepBlanksDefault (0);
741 VERBOSE_PRINT((stdout, "read file %s\n", filename));
742 doc = xmlParseFile (filename);
746 cur = xmlDocGetRootElement (doc);
747 CHECK (cur, "xmlDocGetRootElement");
749 if (! NODE_NAME (cur, effects)) {
750 fprintf (stderr,"root node \"%s\" != \"effects\"\n", BAD_CAST cur->name);
755 mod_id = getNodeModuleIdent (cur);
756 if (NULL != mod_id) {
757 VERBOSE_PRINT ((stdout, "effects for \"%s\"\n",
758 get_id_str(mod_id)));
761 VERBOSE_PRINT ((stdout, "effects \t0x%08x\n", (int) cur));
765 cur = cur->xmlChildrenNode;
766 while (cur != NULL) {
767 if (NODE_NAME (cur, type)) {
768 parseType (doc, cur);
769 } else if (NODE_NAME (cur, ir_entity)) {
770 parseEntity (doc, cur);
771 } else if (NODE_NAME (cur, effect)) {
772 parseEffect (doc, cur);
773 } else if ((NODE_NAME (cur, comment))) {
776 fprintf (stderr, "wrong element \"%s\"\n", BAD_CAST cur->name);
782 module = NEW(module_t);
783 module -> id = mod_id;
784 module -> types = types;
785 module -> entities = entities;
786 module -> procs = procs;
792 module -> next = modules;
798 /********************************************************************/
801 * free additional structure
804 void freeArg (eff_t *arg)
806 VERBOSE_PRINT ((stdout, "free arg node \t0x%08x\n", (int) arg));
812 void freeValref (eff_t *valref)
814 VERBOSE_PRINT ((stdout, "free valref node \t0x%08x\n", (int) valref));
820 void freeSelect (eff_t *sel)
822 VERBOSE_PRINT ((stdout, "free select node \t0x%08x\n", (int) sel));
828 void freeLoad (eff_t *load)
830 VERBOSE_PRINT ((stdout, "free load node \t0x%08x\n", (int) load));
836 void freeStore (eff_t *store)
838 VERBOSE_PRINT ((stdout, "free store node \t0x%08x\n", (int) store));
844 void freeAlloc (eff_t *alloc)
846 VERBOSE_PRINT ((stdout, "free alloc node \t0x%08x\n", (int) alloc));
852 void freeCall (eff_t *call)
854 VERBOSE_PRINT ((stdout, "free call node \t0x%08x\n", (int) call));
855 free(call -> effect.call.args);
861 void freeJoin (eff_t *join)
863 VERBOSE_PRINT ((stdout, "free join node \t0x%08x\n", (int) join));
864 free(join -> effect.join.ins);
870 void freeUnknown (eff_t *unknown)
872 VERBOSE_PRINT ((stdout, "free unknown node \t0x%08x\n", (int) unknown));
878 void freeReturn (eff_t *ret)
880 VERBOSE_PRINT ((stdout, "free ret node \t0x%08x\n", (int) ret));
886 void freeRaise (eff_t *raise)
888 VERBOSE_PRINT ((stdout, "free raise node \t0x%08x\n", (int) raise));
895 void freeProcEffs(proc_t *proc)
900 VERBOSE_PRINT ((stdout, "free effect for method \"%s\"\n",
901 get_id_str(proc -> proc_ident)));
903 num = proc -> n_effs;
904 for(i = 0; i < num; i++) {
905 switch(proc -> effs[i] -> kind) {
907 freeArg(proc -> effs[i]);
910 freeValref(proc -> effs[i]);
913 freeSelect(proc -> effs[i]);
916 freeLoad(proc -> effs[i]);
919 freeStore(proc -> effs[i]);
922 freeAlloc(proc -> effs[i]);
925 freeCall(proc -> effs[i]);
928 freeUnknown(proc -> effs[i]);
931 freeJoin(proc -> effs[i]);
934 freeRaise(proc -> effs[i]);
937 freeReturn(proc -> effs[i]);
940 assert(0 && "try to free an unknown effect");
949 void freeModuleProcs(module_t *module)
951 proc_t *next_proc, *proc;
953 VERBOSE_PRINT ((stdout, "free procs for module \"%s\"\n",
954 get_id_str(module -> id)));
956 proc = module -> procs;
958 next_proc = proc -> next;
968 module_t *module, *next_module;
972 freeModuleProcs(module);
973 next_module = module -> next;
975 module = next_module;
979 /********************************************************************/
982 type_t *find_type_in_module(module_t *module, ident *typeid)
986 for(type = module -> types; type; type = type -> prev) {
987 VERBOSE_PRINT((stdout, "test typeid %s\n", get_id_str(type -> id)));
988 if(type -> id == typeid) {
989 VERBOSE_PRINT((stdout, "found\n"));
993 VERBOSE_PRINT((stdout, "did not find type id %s\n", get_id_str(typeid)));
997 /********************************************************************/
999 static void add_value_to_proc(proc_t *proc, eff_t *eff)
1001 eff -> next = proc -> values;
1002 proc -> values = eff;
1006 eff_t *find_valueid_in_proc_effects(ident *id, proc_t *proc)
1010 val = proc -> values;
1012 if(id == val -> id) {
1020 static void create_abstract_return(ir_graph *irg, proc_t *proc, eff_t *eff)
1025 VERBOSE_PRINT((stdout, "create effect:return in %s\n",
1026 get_id_str(proc -> proc_ident)));
1027 if(NO_ID == eff -> effect.ret.ret_id) {
1029 x = new_Return (get_store(), 0, NULL);
1034 /* return one value */
1035 eff_res = find_valueid_in_proc_effects(eff -> effect.ret.ret_id, proc);
1036 assert(eff_res -> firmnode && "firm in effect not set");
1037 in[0] = eff_res -> firmnode;
1038 x = new_Return (get_store(), 1, in);
1040 eff -> firmnode = x;
1042 /* Now we generated all instructions for this block and all its predecessor
1043 * blocks so we can mature it. (There are not too much.) */
1044 mature_immBlock (get_irg_current_block(irg));
1046 /* This adds the in edge of the end block which originates at the return statement.
1047 * The return node passes controlflow to the end block. */
1048 add_immBlock_pred (get_irg_end_block(irg), x);
1052 static void create_abstract_arg(ir_graph *irg, proc_t *proc, eff_t *eff)
1060 VERBOSE_PRINT((stdout, "create effect:arg %d in %s\n",
1061 eff -> effect.arg.num, get_id_str(proc -> proc_ident)));
1062 ent = get_irg_entity(irg);
1063 typ = get_entity_type(ent);
1065 /* read argument eff -> effect.arg.num and place in values list */
1066 num = get_method_n_params(typ);
1067 assert((num >= eff -> effect.arg.num) && "number too big");
1068 typ = get_method_param_type(typ, eff -> effect.arg.num);
1069 mode = get_type_mode(typ);
1071 arg = new_Proj(get_irg_args(irg), mode, eff -> effect.arg.num);
1072 eff -> firmnode = arg;
1074 add_value_to_proc(proc, eff);
1078 static void create_abstract_load(ir_graph *irg, proc_t *proc, eff_t *eff)
1080 ir_node *sel, *load;
1085 VERBOSE_PRINT((stdout, "create load in %s\n",
1086 get_id_str(proc -> proc_ident)));
1088 if(eff -> effect.load.ent) {
1089 ent = eff -> effect.load.ent -> f_ent;
1090 VERBOSE_PRINT((stdout, "load from %s\n", get_entity_name(ent)));
1093 VERBOSE_PRINT((stdout, "store to memory\n"));
1097 addr = find_valueid_in_proc_effects(eff -> effect.load.ptrrefid, proc);
1098 assert(addr && "no address for load");
1099 /* if addr is Unknown, set proper mode */
1100 if(iro_Unknown == get_irn_opcode(addr -> firmnode)) {
1101 set_irn_mode(addr -> firmnode, mode_P);
1105 sel = new_simpleSel(get_store(), addr -> firmnode, ent);
1106 mode = get_type_mode(get_entity_type(ent));
1109 sel = addr -> firmnode;
1112 load = new_Load(get_store(), sel, mode);
1113 set_store(new_Proj(load, mode_M, 0));
1114 eff -> firmnode = new_Proj(load, mode, 2);
1116 add_value_to_proc(proc, eff);
1120 static void create_abstract_store(ir_graph *irg, proc_t *proc, eff_t *eff)
1122 ir_node *sel, *store;
1126 VERBOSE_PRINT((stdout, "create store in %s\n",
1127 get_id_str(proc -> proc_ident)));
1129 if(eff -> effect.store.ent) {
1130 ent = eff -> effect.store.ent -> f_ent;
1131 VERBOSE_PRINT((stdout, "store to ir_entity %s\n", get_entity_name(ent)));
1134 VERBOSE_PRINT((stdout, "store to memory\n"));
1138 addr = find_valueid_in_proc_effects(eff -> effect.store.ptrrefid, proc);
1139 assert(addr && "no address for store");
1140 /* if addr is Unknown, set propper mode */
1141 if(iro_Unknown == get_irn_opcode(addr -> firmnode)) {
1142 set_irn_mode(addr -> firmnode, mode_P);
1145 val = find_valueid_in_proc_effects(eff -> effect.store.valrefid, proc);
1146 assert(val && "no address for store");
1147 /* if addr is Unknown, set propper mode */
1148 if(iro_Unknown == get_irn_opcode(val -> firmnode)) {
1149 set_irn_mode(val -> firmnode, get_type_mode(get_entity_type(ent)));
1153 sel = new_simpleSel(get_store(), addr -> firmnode, ent);
1156 sel = addr -> firmnode;
1158 store = new_Store(get_store(), sel, val -> firmnode);
1159 set_store(new_Proj(store, mode_M, 0));
1160 eff -> firmnode = store;
1164 static void create_abstract_alloc(ir_graph *irg, proc_t *proc, eff_t *eff)
1169 symconst_symbol sym;
1171 VERBOSE_PRINT((stdout, "create alloc in %s\n",
1172 get_id_str(proc -> proc_ident)));
1174 xtype = find_type_in_module(current_module, eff -> effect.alloc.tp_id);
1175 assert(xtype && "type not found");
1176 ftype = xtype -> f_tp;
1179 alloc = new_Alloc(get_store(), new_SymConst(sym, symconst_type_size), ftype,
1181 set_store(new_Proj(alloc, mode_M, 0));
1182 eff -> firmnode = new_Proj(alloc, mode_P, 2);
1184 add_value_to_proc(proc, eff);
1188 static void create_abstract_unknown(ir_graph *irg, proc_t *proc, eff_t *eff)
1192 VERBOSE_PRINT((stdout, "create unknown in %s\n",
1193 get_id_str(proc -> proc_ident)));
1195 unknown = new_Unknown(mode_ANY);
1196 eff -> firmnode = unknown;
1198 add_value_to_proc(proc, eff);
1202 static void create_abstract_call(ir_graph *irg, proc_t *proc, eff_t *eff)
1204 ir_node *sel, *call;
1210 int mik; /* is method somehow known? */
1212 VERBOSE_PRINT((stdout, "create call in %s\n",
1213 get_id_str(proc -> proc_ident)));
1215 if(eff -> effect.call.ent) {
1216 ent = eff -> effect.call.ent -> f_ent;
1217 VERBOSE_PRINT((stdout, "call %s\n", get_entity_name(ent)));
1221 VERBOSE_PRINT((stdout, "call something in memory\n"));
1224 addr = find_valueid_in_proc_effects(eff -> effect.call.valrefid, proc);
1225 assert(addr && "no address for load");
1226 /* if addr is Unknown, set proper mode */
1227 if(iro_Unknown == get_irn_opcode(addr -> firmnode)) {
1228 set_irn_mode(addr -> firmnode, mode_P);
1233 sel = new_simpleSel(get_store(), addr -> firmnode, ent);
1235 mtype = get_entity_type(ent);
1240 sel = addr -> firmnode;
1242 mtype = get_unknown_type();
1247 num = eff -> effect.call.n_args;
1248 VERBOSE_PRINT((stdout, "number of args given: %d\n", num));
1250 VERBOSE_PRINT((stdout, "number of args expected: %d\n",
1251 get_method_n_params(mtype)));
1253 irns = alloca(num * sizeof(ir_node*));
1254 for(i = 0; i < num; i++) {
1255 irns[i] = find_valueid_in_proc_effects(eff -> effect.call.args[i], proc)
1257 if(iro_Unknown == get_irn_opcode(irns[i])) {
1259 set_irn_mode(irns[i], get_type_mode(get_method_param_type(mtype, i)));
1262 set_irn_mode(irns[i], mode_ANY);
1266 call = new_Call(get_store(), sel, num, irns, mtype);
1267 set_store(new_Proj(call, mode_M, 0));
1268 if(mik && (0 != get_method_n_ress(mtype))) {
1269 eff -> firmnode = new_Proj(call,
1270 get_type_mode(get_method_res_type(mtype, 0)),
1272 add_value_to_proc(proc, eff); /* result can be accessed */
1275 eff -> firmnode = NULL; /* result can not be accessed */
1279 static void create_abstract_join (ir_graph *irg, proc_t *proc, eff_t *eff)
1281 ir_node **ins = NULL;
1282 ir_node *unknown = NULL;
1283 ir_node *cond = NULL;
1284 ir_node *block = NULL;
1285 ir_node *c_block = NULL;
1286 ir_node *phi = NULL;
1287 ir_mode *join_md = mode_ANY;
1291 VERBOSE_PRINT((stdout, "create join in %s\n",
1292 get_id_str(proc -> proc_ident)));
1294 assert (eff_join == eff->kind);
1296 n_ins = eff->effect.join.n_ins;
1298 /* seems like current_block is not always mature at this point */
1299 mature_immBlock (get_cur_block ());
1301 block = get_cur_block (); /* remember this so we can put the ProjXs into it */
1303 /* jump based on an unknown condition so all values are possible */
1304 unknown = new_Unknown (mode_Iu);
1305 cond = new_Cond (unknown);
1307 c_block = new_immBlock (); /* for the Phi after the branch(es) */
1309 ins = (ir_node**) xmalloc (n_ins * sizeof (ir_node*));
1310 for (i = 0; i < n_ins; i ++) {
1311 ir_node *projX = NULL;
1312 ir_node *s_block = NULL;
1313 ir_node *jmp = NULL;
1316 /* make sure the projX is in the 'switch' block */
1317 set_cur_block (block);
1318 projX = new_Proj (cond, mode_X, (long) i);
1320 /* this also sets current_block, so the rest of the code ends up there: */
1321 s_block = new_immBlock ();
1323 add_immBlock_pred (s_block, projX);
1324 mature_immBlock (s_block);
1326 in_eff = find_valueid_in_proc_effects (eff->effect.join.ins [i], proc);
1328 ins [i] = in_eff->firmnode;
1330 /* need to find a suitable mode for the Phi node */
1331 if (mode_ANY != get_irn_mode (ins [i])) {
1332 join_md = get_irn_mode (ins [i]);
1336 add_immBlock_pred (c_block, jmp);
1339 set_cur_block (c_block);
1341 phi = new_Phi (n_ins, ins, join_md);
1343 mature_immBlock (c_block);
1344 memset (ins, 0x00, n_ins * sizeof (ir_node*));
1347 eff->firmnode = phi;
1349 add_value_to_proc (proc, eff);
1352 static void create_abstract_raise (ir_graph *irg, proc_t *proc, eff_t *eff)
1354 ir_node *block = NULL;
1355 ir_node *unknown = NULL;
1356 ir_node *cond = NULL;
1358 /* seems like current_block is not always mature at this point */
1359 mature_immBlock (get_cur_block ());
1360 block = get_cur_block (); /* remember this so we can put the ProjXs into it */
1362 /* jump based on an unknown condition so both values are possible */
1363 unknown = new_Unknown (mode_Iu);
1364 cond = new_Cond (unknown);
1366 /* one branch for 'throw-exception' case */
1368 ir_node *projX = new_Proj (cond, mode_X, 1L);
1369 ir_node *b_exc = new_immBlock ();
1370 ir_node *obj = NULL;
1371 ir_node *thrw = NULL;
1372 eff_t *thrw_eff = NULL;
1374 add_immBlock_pred (b_exc, projX);
1376 thrw_eff = find_valueid_in_proc_effects (eff->effect.raise.valref, proc);
1377 obj = thrw_eff->firmnode;
1379 thrw = new_Raise (get_store (), obj);
1380 /* exc-jump to end block */
1381 thrw = new_Proj (thrw, mode_X, 0L);
1383 add_immBlock_pred (get_irg_end_block (irg), thrw);
1384 mature_immBlock (get_cur_block ());
1387 set_cur_block (block); /* back to the first block */
1389 /* one branch for 'non-exception' case */
1391 ir_node *projX = new_Proj (cond, mode_X, 0);
1392 new_immBlock (); /* also sets current_block */
1393 add_immBlock_pred (get_cur_block (), projX);
1394 mature_immBlock (get_cur_block ());
1395 /* continue building in current_block */
1400 static void create_abstract_firm(module_t *module, proc_t *proc, ir_entity *fent)
1406 /* test ir_entity */
1407 assert(visibility_external_allocated == get_entity_visibility(fent)
1408 && peculiarity_existent == get_entity_peculiarity(fent)
1409 && "not an abstract ir_entity");
1410 /* create irg in ir_entity */
1411 irg = new_pseudo_ir_graph(fent, 0);
1412 set_irg_inline_property(irg, irg_inline_forbidden);
1414 /* @@@ If the spec says so: */
1415 set_entity_visibility(fent, visibility_local);
1417 VERBOSE_PRINT((stdout, "create effects for %s\n",
1418 get_id_str(proc -> proc_ident)));
1420 /* create effects in irg */
1421 num = proc -> n_effs;
1422 for(i = 0; i < num; i++) {
1423 eff = proc -> effs[i];
1424 VERBOSE_PRINT((stdout,
1425 "create effect \"%s\"\n", effect_string[(int)eff -> kind]));
1426 switch(eff -> kind) {
1428 create_abstract_return(irg, proc, eff);
1431 create_abstract_arg(irg, proc, eff);
1434 create_abstract_load(irg, proc, eff);
1437 create_abstract_store(irg, proc, eff);
1440 create_abstract_unknown(irg, proc, eff);
1443 create_abstract_alloc(irg, proc, eff);
1446 create_abstract_call(irg, proc, eff);
1449 create_abstract_join(irg, proc, eff);
1452 create_abstract_raise(irg, proc, eff);
1455 assert(0 && "effect not implemented");
1460 /* close irg in ir_entity */
1461 /* Now we can mature the end block as all it's predecessors are known. */
1462 mature_immBlock (get_irg_end_block(irg));
1464 /* Verify the graph. Finds some very bad errors in the graph. */
1465 VERBOSE_PRINT((stdout, "verify graph\n"));
1467 VERBOSE_PRINT((stdout, "finalize construction\n"));
1468 irg_finalize_cons (irg);
1471 /********************************************************************/
1473 static void assign_firm_entity(module_t *module, entity_t *xmlent)
1480 VERBOSE_PRINT((stdout, "assign ir_entity %s to typeid %s\n",
1481 get_id_str(xmlent -> ent_ident),
1482 get_id_str(xmlent -> owner)));
1484 typ = find_type_in_module(module, xmlent -> owner);
1485 assert(typ && "class not found in module");
1487 assert(is_Class_type(type));
1489 num = get_class_n_members(type);
1491 for(i = 0; i < num; i++) {
1492 ent = get_class_member(type, i);
1493 VERBOSE_PRINT((stdout, "compare ir_entity %s and %s\n",
1494 get_id_str(xmlent -> ent_ident), get_entity_name(ent)));
1496 if(get_entity_ident(ent) == xmlent -> ent_ident) {
1501 assert(ent && "did not find a ir_entity");
1503 xmlent -> f_ent = ent;
1506 /********************************************************************/
1507 /* must be primitive type or class type */
1508 static void assign_firm_type(type_t *xmltype)
1511 ir_type *typ = NULL;
1514 VERBOSE_PRINT((stdout, "assign firm type to type %s\n",
1515 get_id_str(xmltype -> type_ident)));
1517 /* is it global type? */
1518 typ = get_glob_type();
1519 if(xmltype -> type_ident == get_type_ident(typ)) {
1521 xmltype -> f_tp = typ;
1522 VERBOSE_PRINT((stdout, "is global type %s\n", get_type_name(typ)));
1524 num = get_irp_n_types();
1525 for(i = 0; i < num; i++) {
1526 typ = get_irp_type(i);
1527 VERBOSE_PRINT((stdout, "test type %s\n", get_type_name(typ)));
1528 if(xmltype -> type_ident == get_type_ident(typ)) {
1529 VERBOSE_PRINT((stdout, "found type %s\n", get_type_name(typ)));
1530 xmltype -> f_tp = typ;
1536 assert(typ && "did not find a type");
1539 /********************************************************************/
1541 void create_abstract_proc_effect(module_t *module, proc_t *proc)
1544 ir_type *class_typ = NULL;
1548 /* find the class of a procedure */
1549 VERBOSE_PRINT((stdout, "do find owner id %s\n", get_id_str(proc -> ownerid)));
1550 type = find_type_in_module(module, proc -> ownerid);
1551 assert(type && "class not found in module");
1553 class_typ = get_glob_type();
1554 VERBOSE_PRINT((stdout, "test type %s\n", get_type_name(class_typ)));
1555 if(type -> type_ident != get_type_ident(class_typ)) {
1556 /* find module as class */
1557 num = get_irp_n_types();
1558 for(i = 0; i < num; i++) {
1559 class_typ = get_irp_type(i);
1560 VERBOSE_PRINT((stdout, "test type %s\n", get_type_name(class_typ)));
1561 if (is_Class_type(class_typ)
1562 && (type -> type_ident == get_type_ident(class_typ))) {
1563 /* found class type */
1564 VERBOSE_PRINT((stdout, "found type %s\n", get_type_name(class_typ)));
1571 VERBOSE_PRINT((stdout, "found global type %s\n", get_type_name(class_typ)));
1573 assert(class_typ && "type not found");
1574 assert(is_Class_type(class_typ) && "is not a class type");
1575 type -> f_tp = class_typ;
1577 /* find ir_entity for procedure in class */
1578 VERBOSE_PRINT((stdout, "find method %s\n",
1579 get_id_str(proc -> proc_ident)));
1581 num = get_class_n_members(class_typ);
1583 for(i = 0; i < num; i++) {
1584 fent = get_class_member(class_typ, i);
1585 VERBOSE_PRINT((stdout, "test proc %s\n", get_entity_name(fent)));
1586 if(proc -> proc_ident == get_entity_ident(fent)) {
1587 VERBOSE_PRINT((stdout, "found proc %s\n",
1588 get_id_str(proc -> proc_ident)));
1589 /* @@@ TODO check args types - not in xml yet */
1590 /* create Firm stuff */
1591 create_abstract_firm(module, proc, fent);
1601 "method %s not found\nNo effects generated\nCandidates are:\n",
1602 get_id_str(proc -> proc_ident));
1603 for(i = 0; i < num; i++) {
1604 fent = get_class_member(class_typ, i);
1605 fprintf(stderr, "%s\n", get_entity_name(fent));
1607 //assert(fent && "procedure not found in class");
1611 void create_abstract_module(module_t *module)
1617 VERBOSE_PRINT((stdout, "create an abstraction for module %s\n",
1618 get_id_str(module -> id)));
1620 VERBOSE_PRINT((stdout, "--handle types for module\n"));
1621 for(type = module -> types; type; type = type -> prev) {
1622 assign_firm_type(type);
1625 VERBOSE_PRINT((stdout, "--handle entities for module\n"));
1627 for(ent = module -> entities; ent; ent = ent -> prev) {
1628 assign_firm_entity(module, ent);
1631 VERBOSE_PRINT((stdout, "--handle procs for module\n"));
1632 for(proc = module -> procs; proc; proc = proc -> next) {
1633 create_abstract_proc_effect(module, proc);
1638 int create_abstraction(const char *filename)
1642 /* read and parse XML file */
1643 if (! read_extern(filename))
1646 /* finished reading and parsing here */
1647 /* build FIRM graphs */
1650 current_module = module;
1651 create_abstract_module(module);
1652 module = module -> next;
1654 current_module = NULL;
1656 /* free data structures */
1668 void free_abstraction(void) {
1669 int i, n_pseudo_irgs = get_irp_n_pseudo_irgs();
1670 for (i = 0; i < n_pseudo_irgs; ++i) {
1671 ir_graph *p_irg = get_irp_pseudo_irg(i);
1672 set_entity_visibility(get_irg_entity(p_irg), visibility_external_allocated);
1673 // @@@ free_pseudo_ir_graph(p_irg);
1678 /********************************************************************/
1683 * Revision 1.27 2007/02/02 12:38:35 matze
1684 * entity is ir_entity now
1686 * Revision 1.26 2006/12/15 12:37:40 matze
1689 * Revision 1.25 2006/06/09 11:26:35 firm
1690 * renamed type to ir_type
1692 * Revision 1.24 2006/05/29 13:34:49 beck
1693 * renamed symconst_size to symconst_type_size
1695 * Revision 1.22 2005/08/16 10:18:35 beck
1696 * create_abstraction() now returns an error code if the file could not
1699 * Revision 1.21 2005/03/10 10:05:38 goetz
1700 * chanmged method name
1702 * Revision 1.20 2005/01/05 14:28:35 beck
1703 * renames all is_x*_type() functions to is_X*_type() to prevent name clash with EDG frontend
1705 * Revision 1.19 2004/12/10 15:14:34 beck
1706 * used xmalloc instead of malloc
1708 * Revision 1.18 2004/12/02 16:21:42 beck
1709 * fixed config.h include
1711 * Revision 1.17 2004/11/23 14:17:31 liekweg
1712 * fenced out currently unneeded static functions
1714 * Revision 1.16 2004/11/11 12:24:52 goetz
1717 * Revision 1.15 2004/11/11 09:28:32 goetz
1718 * treat pseudo irgs special
1719 * parse 'local' from xml files
1721 * Revision 1.14 2004/11/10 14:42:00 boesler
1722 * be more helpful if a method does not exist
1724 * Revision 1.13 2004/11/05 14:00:53 liekweg
1727 * Revision 1.12 2004/11/02 14:30:31 liekweg
1728 * fixed multi-input join (thx, Boris) --flo
1730 * Revision 1.11 2004/10/29 18:51:53 liekweg
1733 * Revision 1.10 2004/10/25 13:52:24 boesler
1734 * seperated read.h (public interface) and read_t.h (types)
1736 * Revision 1.9 2004/10/22 13:51:35 boesler
1737 * prohibit inlining of pseudo ir_graphs
1739 * Revision 1.8 2004/10/22 13:13:27 boesler
1740 * replaced char* by idents, minor fix in Firm codegen for call
1742 * Revision 1.7 2004/10/21 15:31:55 boesler
1743 * added lots of stuff:
1744 * - build abstract syntax trees
1745 * - build Firm graphs for many effects, still todos
1747 * Revision 1.5 2004/10/18 12:48:20 liekweg
1750 * Revision 1.4 2004/10/14 11:31:53 liekweg
1753 * Revision 1.3 2004/10/13 13:36:28 rubino
1756 * Revision 1.2 2004/10/11 15:56:09 liekweg
1757 * Cleanup, comments ...
1758 * Added init func --flo
1760 * Revision 1.1 2004/10/11 09:31:06 liekweg
1761 * First Import of XML reading procs --flo