5 * File name: ir/external/read.c
6 * Purpose: Read descriptions of external effects
8 * Modified by: Boris Boesler
11 * Copyright: (c) 1999-2004 Universität Karlsruhe
12 * Licence: This file is protected by GPL - GNU GENERAL PUBLIC LICENSE.
19 /* get prototype for alloca somehow */
32 #include <libxml/xmlmemory.h>
33 #include <libxml/parser.h>
34 #include <libxml/encoding.h>
40 #include "pseudo_irg.h"
49 # define MY_ENCODING "ISO-8859-1"
51 # define CHECK(ptr,msg) assert (ptr && msg)
53 # define NODE_NAME(n, m) (0 == xmlStrcmp (n->name, (const xmlChar*) #m))
54 # define CHECK_NAME(n, m) assert (0 == xmlStrcmp (n->name, (const xmlChar*) #m))
56 # define NEW(T) (T*)xmalloc(sizeof (T))
59 #define VERBOSE_PRINTING 0
62 # define VERBOSE_PRINT(s) fprintf s
64 # define VERBOSE_PRINT(s)
69 static type_t *types = NULL;
70 static entity_t *entities = NULL;
71 static proc_t *procs = NULL;
72 static module_t *modules = NULL;
75 static module_t *current_module = NULL;
78 /* this is only used inside a VERBOSE_PRINT() call */
79 static const char *effect_string[] = {
92 #endif /* defined VERBOSE_PRINTING */
95 getNodeModuleIdent (xmlNodePtr node)
97 const char *mod_str = (const char*) xmlGetProp (node, BAD_CAST "module");
99 if (NULL == mod_str) {
102 const ident *res = new_id_from_str (mod_str);
108 getNodeProcName (xmlNodePtr node)
110 const char *proc_str = (const char*) xmlGetProp (node, BAD_CAST "procname");
117 getNodeClassName (xmlNodePtr node)
119 char *proc_str = (char*) xmlGetProp (node, BAD_CAST "class");
121 return ( (proc_str));
123 # endif /* defined NEEDED */
126 getNodeId (xmlNodePtr node)
128 const char *id_str = (const char*) xmlGetProp (node, BAD_CAST "id");
134 getNodeRefId (xmlNodePtr node)
136 const char *refid_str = (char*) xmlGetProp (node, BAD_CAST "refid");
138 return ((refid_str));
142 getNodeTypeId (xmlNodePtr node)
144 const char *type_str = (char*) xmlGetProp (node, BAD_CAST "type");
150 *getNodeTypeStr (xmlNodePtr node)
152 const char *type_str = (char*) xmlGetProp (node, BAD_CAST "type");
158 getNodeOwnerStr (xmlNodePtr node)
160 const char *owner_str = (char*) xmlGetProp (node, BAD_CAST "owner");
166 *getNodeEntityStr (xmlNodePtr node)
168 const char *ent_str = (char*) xmlGetProp (node, BAD_CAST "entity");
180 type_t *getTypeByIdent (const ident *id)
182 type_t *curr = types; // @@@ TODO module -> types
184 while (NULL != curr) {
185 if (id == curr -> type_ident) {
193 # endif /* defined NEEDED */
197 type_t *getTypeById (const ident *id)
199 type_t *curr = types; // which ones?
201 while (NULL != curr) {
202 if (id == curr -> id) {
210 # endif /* defined NEEDED */
214 entity_t *getEntityByIdents (const ident *name, const ident *tp_ident)
216 entity_t *curr = entities; // TODO module -> entities
218 while (NULL != curr) {
219 if ((name == curr -> ent_ident)
220 && (tp_ident == curr -> tp_ident)) {
228 # endif /* defined NEEDED */
231 entity_t *getEntityById (const ident *id)
233 entity_t *curr = entities;
235 while (NULL != curr) {
236 if (id == curr -> id) {
247 proc_t *getEffectByName (const ident *proc_ident)
249 proc_t *curr_effs = procs;
251 while (NULL != curr_effs) {
252 if (proc_ident == curr_effs -> proc_ident) {
255 curr_effs = curr_effs->next;
260 # endif /* defined NEEDED */
263 xmlNodePtr get_any_valid_child(xmlNodePtr elem)
267 assert(elem && "no element");
268 child = elem -> xmlChildrenNode;
269 while(child && (NODE_NAME (child, comment))) {
270 child = child -> next;
276 xmlNodePtr get_valid_child(xmlNodePtr elem)
280 child = get_any_valid_child(elem);
281 assert(child && "lost child in deep black forest");
286 * parse XML structure and construct an additional structure
289 parseArg (xmlDocPtr doc, xmlNodePtr argelm)
297 CHECK_NAME (argelm, arg);
298 VERBOSE_PRINT ((stdout, "arg node \t0x%08x\n", (int) argelm));
300 id = getNodeId (argelm);
301 VERBOSE_PRINT ((stdout, "arg->id = \"%s\"\n", id));
302 num_str = (char*) xmlGetProp (argelm, BAD_CAST "number");
303 num = atoi (num_str);
304 VERBOSE_PRINT ((stdout, "arg->no = \"%d\"\n", num));
306 typeid = getNodeTypeStr (argelm);
309 arg -> kind = eff_arg;
310 arg -> id = new_id_from_str(id);
311 arg -> effect.arg.num = num;
312 arg -> effect.arg.type_ident = new_id_from_str(typeid);
318 parseValref (xmlDocPtr doc, xmlNodePtr valelm)
323 CHECK_NAME (valelm, valref);
324 VERBOSE_PRINT ((stdout, "valref node \t0x%08x\n", (int) valelm));
326 ref_id = getNodeRefId (valelm);
327 VERBOSE_PRINT ((stdout, "val->refid = \"%s\"\n", ref_id));
329 valref = NEW (eff_t);
330 valref->kind = eff_valref;
331 valref-> id = new_id_from_str(ref_id);
337 parseSelect (xmlDocPtr doc, xmlNodePtr selelm)
339 const ident *entity_id = new_id_from_str(getNodeEntityStr (selelm));
342 eff_t *valref = NULL;
343 eff_t *sel = NEW (eff_t);
344 sel->kind = eff_select;
346 CHECK_NAME (selelm, select);
347 VERBOSE_PRINT ((stdout, "select node \t0x%08x\n", (int) selelm));
349 ent = getEntityById (entity_id);
350 assert(ent && "entity not found");
351 VERBOSE_PRINT ((stdout, "select entity %s\n", get_id_str(ent -> ent_ident)));
353 child = selelm->xmlChildrenNode;
356 valref = parseValref (doc, child);
359 sel-> id = valref ? valref-> id : NO_ID;
360 sel-> effect.select.ent = ent;
370 parseLoad (xmlDocPtr doc, xmlNodePtr loadelm)
375 eff_t *load = NEW (eff_t);
376 load->kind = eff_load;
378 CHECK_NAME (loadelm, load);
379 VERBOSE_PRINT ((stdout, "load node \t0x%08x\n", (int) loadelm));
380 id = new_id_from_str(getNodeId (loadelm));
382 child = get_valid_child(loadelm);
383 if(NODE_NAME (child, select)) {
384 sel = parseSelect (doc, child);
385 load-> effect.load.ent = sel-> effect.select.ent;
386 VERBOSE_PRINT ((stdout, "load entity \t%s\n",
387 get_id_str(load -> effect.load.ent -> ent_ident)));
390 sel = parseValref (doc, child);
391 load-> effect.load.ent = NULL;
395 load-> effect.load.ptrrefid = sel-> id;
403 parseStore (xmlDocPtr doc, xmlNodePtr storeelm)
408 eff_t *store = NEW (eff_t);
409 store->kind = eff_store;
411 CHECK_NAME (storeelm, store);
412 VERBOSE_PRINT ((stdout, "store node \t0x%08x\n", (int) storeelm));
414 child = get_valid_child(storeelm);
415 if(NODE_NAME (child, select)) {
416 sel = parseSelect (doc, child);
417 store-> effect.store.ent = sel-> effect.select.ent;
420 sel = parseValref (doc, child);
421 store-> effect.store.ent = NULL;
425 valref = parseValref (doc, child);
427 store-> effect.store.ptrrefid = sel-> id;
428 store-> effect.store.valrefid = valref-> id;
437 parseAlloc (xmlDocPtr doc, xmlNodePtr allocelm)
440 const ident *type_id;
441 eff_t *alloc = NEW (eff_t); /* ...! */
442 alloc->kind = eff_alloc;
444 CHECK_NAME (allocelm, alloc);
445 VERBOSE_PRINT ((stdout, "alloc node \t0x%08x\n", (int) allocelm));
446 id = new_id_from_str(getNodeId (allocelm));
447 VERBOSE_PRINT ((stdout, "alloc->id = \"%s\"\n", get_id_str(id)));
448 type_id = new_id_from_str(getNodeTypeId (allocelm));
449 VERBOSE_PRINT ((stdout, "alloc->type_id = \"%s\"\n", get_id_str(type_id)));
452 alloc-> effect.alloc.tp_id = type_id;
458 parseCall (xmlDocPtr doc, xmlNodePtr callelm)
465 eff_t *call = NEW (eff_t);
466 call->kind = eff_call;
468 CHECK_NAME (callelm, call);
469 VERBOSE_PRINT ((stdout, "call node \t0x%08x\n", (int) callelm));
470 id = new_id_from_str(getNodeId (callelm));
471 VERBOSE_PRINT ((stdout, "call->id = \"%s\"\n", get_id_str(id)));
473 child = get_valid_child(callelm);
474 if(NODE_NAME (child, select)) {
475 sel = parseSelect (doc, child);
476 call-> effect.call.ent = sel-> effect.select.ent;
479 sel = parseValref (doc, child);
480 call-> effect.call.ent = NULL;
483 arg = child = child->next;
486 while (NULL != child) {
492 call-> effect.call.valrefid = sel-> id;
493 call-> effect.call.n_args = n_args;
494 call-> effect.call.args = NULL;
499 const ident **args = (const ident**) xmalloc(n_args * sizeof(const ident*));
502 while (NULL != arg) {
503 eff_t *valref = parseValref (doc, arg);
504 args [i ++] = valref-> id;
509 call-> effect.call.args = args;
516 parseJoin (xmlDocPtr doc, xmlNodePtr joinelm)
523 eff_t *join = NEW (eff_t);
524 join->kind = eff_join;
526 CHECK_NAME (joinelm, join);
527 VERBOSE_PRINT ((stdout, "join node \t0x%08x\n", (int) joinelm));
528 id = new_id_from_str(getNodeId (joinelm));
529 VERBOSE_PRINT ((stdout, "join->id = \"%s\"\n", get_id_str(id)));
531 child = get_valid_child(joinelm);
534 while (NULL != child) {
539 ins = (const ident **) xmalloc (n_ins * sizeof (const ident *) );
541 child = get_valid_child(joinelm);
543 while (NULL != child) {
544 eff_t *valref = parseValref (doc, child);
545 ins [i ++] = valref-> id;
551 join-> effect.join.n_ins = n_ins;
552 join-> effect.join.ins = ins;
558 parseUnknown (xmlDocPtr doc, xmlNodePtr unknownelm)
561 eff_t *unknown = NEW (eff_t);
562 unknown->kind = eff_unknown;
564 CHECK_NAME (unknownelm, unknown);
565 VERBOSE_PRINT ((stdout, "unknown node \t0x%08x\n", (int) unknownelm));
566 id = new_id_from_str(getNodeId (unknownelm));
573 parseReturn (xmlDocPtr doc, xmlNodePtr retelm)
576 eff_t *ret = NEW (eff_t);
579 CHECK_NAME (retelm, ret);
580 VERBOSE_PRINT ((stdout, "ret node \t0x%08x\n", (int) retelm));
582 child = get_any_valid_child(retelm);
585 eff_t *valref = parseValref (doc, child);
586 ret-> effect.ret.ret_id = valref-> id;
589 ret-> effect.ret.ret_id = NO_ID;
596 parseRaise (xmlDocPtr doc, xmlNodePtr raiseelm)
601 eff_t *raise = NEW (eff_t);
602 raise->kind = eff_raise;
604 CHECK_NAME (raiseelm, raise);
605 VERBOSE_PRINT ((stdout, "raise node \t0x%08x\n", (int) raiseelm));
606 tp_id = getNodeTypeId (raiseelm);
607 VERBOSE_PRINT ((stdout, "raise->type = \"%s\"\n", tp_id));
608 child = get_valid_child(raiseelm);
610 assert (NULL != child);
612 valref = parseValref (doc, child);
613 raise-> effect.raise.valref = valref-> id;
614 raise-> effect.raise.tp_id = new_id_from_str(tp_id);
625 /** parse a type node and insert it into the list */
627 parseType (xmlDocPtr doc, xmlNodePtr typeelm)
630 const char *tp_id = getNodeId (typeelm);
631 VERBOSE_PRINT ((stdout, "type node \t0x%08x (%s)\n", (int) typeelm, tp_id));
632 VERBOSE_PRINT ((stdout, "type = \"%s\"\n", getNodeTypeStr (typeelm)));
634 type = (type_t*) xmalloc (sizeof (type_t));
635 type -> type_ident = new_id_from_str(getNodeTypeStr (typeelm));
636 type -> id = new_id_from_str(tp_id);
642 /** parse an entity node and insert it into the list */
644 parseEntity (xmlDocPtr doc, xmlNodePtr entelm)
646 entity_t *ent = NEW (entity_t);
649 const char *ent_id = getNodeId (entelm);
650 /* fprintf (stdout, "entity node \t0x%08x (%d)\n", (int) entelm, ent_id); */
651 VERBOSE_PRINT ((stdout, "ent = \"%s.%s\"\n",
652 getNodeTypeStr (entelm),
653 getNodeEntityStr (entelm)));
656 ent -> ent_ident = new_id_from_str (getNodeEntityStr (entelm));
657 ent -> tp_ident = new_id_from_str (getNodeTypeStr (entelm));
658 ent -> owner = new_id_from_str (getNodeOwnerStr (entelm));
659 ent -> id = new_id_from_str(ent_id);
661 ent->prev = entities;
665 /** parse any effect, and turn it into an eff_t (TODO) */
667 parseEffect (xmlDocPtr doc, xmlNodePtr effelm)
670 const char *procname = getNodeProcName (effelm);
671 const char *ownerid = getNodeOwnerStr (effelm);
672 proc_t *curr_effs = NULL;
676 VERBOSE_PRINT ((stdout, "effect for method \"%s\"\n", procname));
678 cur = effelm -> xmlChildrenNode;
679 while (NULL != cur) {
683 VERBOSE_PRINT ((stdout, "has %d effects\n", n_effs));
685 curr_effs = NEW (proc_t);
686 curr_effs -> proc_ident = new_id_from_str(procname);
687 curr_effs -> ownerid = new_id_from_str(ownerid);
688 curr_effs->effs = (eff_t**) xmalloc (n_effs * sizeof (eff_t*));
690 cur = effelm -> xmlChildrenNode;
691 while (NULL != cur) {
694 if (NODE_NAME (cur, arg)) {
695 eff = (eff_t*) parseArg (doc, cur);
696 } else if (NODE_NAME (cur, load)) {
697 eff = (eff_t*) parseLoad (doc, cur);
698 } else if (NODE_NAME (cur, store)) {
699 eff = (eff_t*) parseStore (doc, cur);
700 } else if (NODE_NAME (cur, alloc)) {
701 eff = (eff_t*) parseAlloc (doc, cur);
702 } else if (NODE_NAME (cur, call)) {
703 eff = (eff_t*) parseCall (doc, cur);
704 } else if (NODE_NAME (cur, join)) {
705 eff = (eff_t*) parseJoin (doc, cur);
706 } else if (NODE_NAME (cur, unknown)) {
707 eff = (eff_t*) parseUnknown (doc, cur);
708 } else if (NODE_NAME (cur, ret)) {
709 eff = (eff_t*) parseReturn (doc, cur);
710 } else if (NODE_NAME (cur, raise)) {
711 eff = (eff_t*) parseRaise (doc, cur);
712 } else if (NODE_NAME (cur, comment)) {
716 fprintf (stderr, "wrong element \"%s\"\n", BAD_CAST cur->name);
720 VERBOSE_PRINT ((stdout, "effect %p@%d\n", (void*)eff, i));
721 curr_effs -> effs[i++] = eff;
725 assert((i == n_effs) && "incorrect number of effects");
726 curr_effs -> n_effs = n_effs;
727 curr_effs -> next = procs;
733 int read_extern (const char *filename)
735 /* xmlNsPtr ns = NULL; */ /* no namespace for us */
736 xmlDocPtr doc; /* whole document */
737 xmlNodePtr cur; /* current node */
741 /* i've got no idea what the VERSION cast is all about. voodoo
742 programming at its finest. */
743 LIBXML_TEST_VERSION xmlKeepBlanksDefault (0);
744 VERBOSE_PRINT((stdout, "read file %s\n", filename));
745 doc = xmlParseFile (filename);
749 cur = xmlDocGetRootElement (doc);
750 CHECK (cur, "xmlDocGetRootElement");
752 if (! NODE_NAME (cur, effects)) {
753 fprintf (stderr,"root node \"%s\" != \"effects\"\n", BAD_CAST cur->name);
758 mod_id = getNodeModuleIdent (cur);
759 if (NULL != mod_id) {
760 VERBOSE_PRINT ((stdout, "effects for \"%s\"\n",
761 get_id_str(mod_id)));
764 VERBOSE_PRINT ((stdout, "effects \t0x%08x\n", (int) cur));
768 cur = cur->xmlChildrenNode;
769 while (cur != NULL) {
770 if (NODE_NAME (cur, type)) {
771 parseType (doc, cur);
772 } else if (NODE_NAME (cur, entity)) {
773 parseEntity (doc, cur);
774 } else if (NODE_NAME (cur, effect)) {
775 parseEffect (doc, cur);
776 } else if ((NODE_NAME (cur, comment))) {
779 fprintf (stderr, "wrong element \"%s\"\n", BAD_CAST cur->name);
785 module = NEW(module_t);
786 module -> id = mod_id;
787 module -> types = types;
788 module -> entities = entities;
789 module -> procs = procs;
795 module -> next = modules;
801 /********************************************************************/
804 * free additional structure
807 void freeArg (eff_t *arg)
809 VERBOSE_PRINT ((stdout, "free arg node \t0x%08x\n", (int) arg));
815 void freeValref (eff_t *valref)
817 VERBOSE_PRINT ((stdout, "free valref node \t0x%08x\n", (int) valref));
823 void freeSelect (eff_t *sel)
825 VERBOSE_PRINT ((stdout, "free select node \t0x%08x\n", (int) sel));
831 void freeLoad (eff_t *load)
833 VERBOSE_PRINT ((stdout, "free load node \t0x%08x\n", (int) load));
839 void freeStore (eff_t *store)
841 VERBOSE_PRINT ((stdout, "free store node \t0x%08x\n", (int) store));
847 void freeAlloc (eff_t *alloc)
849 VERBOSE_PRINT ((stdout, "free alloc node \t0x%08x\n", (int) alloc));
855 void freeCall (eff_t *call)
857 VERBOSE_PRINT ((stdout, "free call node \t0x%08x\n", (int) call));
858 free(call -> effect.call.args);
864 void freeJoin (eff_t *join)
866 VERBOSE_PRINT ((stdout, "free join node \t0x%08x\n", (int) join));
867 free(join -> effect.join.ins);
873 void freeUnknown (eff_t *unknown)
875 VERBOSE_PRINT ((stdout, "free unknown node \t0x%08x\n", (int) unknown));
881 void freeReturn (eff_t *ret)
883 VERBOSE_PRINT ((stdout, "free ret node \t0x%08x\n", (int) ret));
889 void freeRaise (eff_t *raise)
891 VERBOSE_PRINT ((stdout, "free raise node \t0x%08x\n", (int) raise));
898 void freeProcEffs(proc_t *proc)
903 VERBOSE_PRINT ((stdout, "free effect for method \"%s\"\n",
904 get_id_str(proc -> proc_ident)));
906 num = proc -> n_effs;
907 for(i = 0; i < num; i++) {
908 switch(proc -> effs[i] -> kind) {
910 freeArg(proc -> effs[i]);
913 freeValref(proc -> effs[i]);
916 freeSelect(proc -> effs[i]);
919 freeLoad(proc -> effs[i]);
922 freeStore(proc -> effs[i]);
925 freeAlloc(proc -> effs[i]);
928 freeCall(proc -> effs[i]);
931 freeUnknown(proc -> effs[i]);
934 freeJoin(proc -> effs[i]);
937 freeRaise(proc -> effs[i]);
940 freeReturn(proc -> effs[i]);
943 assert(0 && "try to free an unknown effect");
952 void freeModuleProcs(module_t *module)
954 proc_t *next_proc, *proc;
956 VERBOSE_PRINT ((stdout, "free procs for module \"%s\"\n",
957 get_id_str(module -> id)));
959 proc = module -> procs;
961 next_proc = proc -> next;
971 module_t *module, *next_module;
975 freeModuleProcs(module);
976 next_module = module -> next;
978 module = next_module;
982 /********************************************************************/
985 type_t *find_type_in_module(module_t *module, const ident *typeid)
989 for(type = module -> types; type; type = type -> prev) {
990 VERBOSE_PRINT((stdout, "test typeid %s\n", get_id_str(type -> id)));
991 if(type -> id == typeid) {
992 VERBOSE_PRINT((stdout, "found\n"));
996 VERBOSE_PRINT((stdout, "did not find type id %s\n", get_id_str(typeid)));
1000 /********************************************************************/
1002 static void add_value_to_proc(proc_t *proc, eff_t *eff)
1004 eff -> next = proc -> values;
1005 proc -> values = eff;
1009 eff_t *find_valueid_in_proc_effects(const ident *id, proc_t *proc)
1013 val = proc -> values;
1015 if(id == val -> id) {
1023 static void create_abstract_return(ir_graph *irg, proc_t *proc, eff_t *eff)
1028 VERBOSE_PRINT((stdout, "create effect:return in %s\n",
1029 get_id_str(proc -> proc_ident)));
1030 if(NO_ID == eff -> effect.ret.ret_id) {
1032 x = new_Return (get_store(), 0, NULL);
1037 /* return one value */
1038 eff_res = find_valueid_in_proc_effects(eff -> effect.ret.ret_id, proc);
1039 assert(eff_res -> firmnode && "firm in effect not set");
1040 in[0] = eff_res -> firmnode;
1041 x = new_Return (get_store(), 1, in);
1043 eff -> firmnode = x;
1045 /* Now we generated all instructions for this block and all its predecessor
1046 * blocks so we can mature it. (There are not too much.) */
1047 mature_immBlock (get_irg_current_block(irg));
1049 /* This adds the in edge of the end block which originates at the return statement.
1050 * The return node passes controlflow to the end block. */
1051 add_immBlock_pred (get_irg_end_block(irg), x);
1055 static void create_abstract_arg(ir_graph *irg, proc_t *proc, eff_t *eff)
1063 VERBOSE_PRINT((stdout, "create effect:arg %d in %s\n",
1064 eff -> effect.arg.num, get_id_str(proc -> proc_ident)));
1065 ent = get_irg_entity(irg);
1066 typ = get_entity_type(ent);
1068 /* read argument eff -> effect.arg.num and place in values list */
1069 num = get_method_n_params(typ);
1070 assert((num >= eff -> effect.arg.num) && "number too big");
1071 typ = get_method_param_type(typ, eff -> effect.arg.num);
1072 mode = get_type_mode(typ);
1074 arg = new_Proj(get_irg_args(irg), mode, eff -> effect.arg.num);
1075 eff -> firmnode = arg;
1077 add_value_to_proc(proc, eff);
1081 static void create_abstract_load(ir_graph *irg, proc_t *proc, eff_t *eff)
1083 ir_node *sel, *load;
1088 VERBOSE_PRINT((stdout, "create load in %s\n",
1089 get_id_str(proc -> proc_ident)));
1091 if(eff -> effect.load.ent) {
1092 ent = eff -> effect.load.ent -> f_ent;
1093 VERBOSE_PRINT((stdout, "load from %s\n", get_entity_name(ent)));
1096 VERBOSE_PRINT((stdout, "store to memory\n"));
1100 addr = find_valueid_in_proc_effects(eff -> effect.load.ptrrefid, proc);
1101 assert(addr && "no address for load");
1102 /* if addr is Unknown, set proper mode */
1103 if(iro_Unknown == get_irn_opcode(addr -> firmnode)) {
1104 set_irn_mode(addr -> firmnode, mode_P);
1108 sel = new_simpleSel(get_store(), addr -> firmnode, ent);
1109 mode = get_type_mode(get_entity_type(ent));
1112 sel = addr -> firmnode;
1115 load = new_Load(get_store(), sel, mode);
1116 set_store(new_Proj(load, mode_M, 0));
1117 eff -> firmnode = new_Proj(load, mode, 2);
1119 add_value_to_proc(proc, eff);
1123 static void create_abstract_store(ir_graph *irg, proc_t *proc, eff_t *eff)
1125 ir_node *sel, *store;
1129 VERBOSE_PRINT((stdout, "create store in %s\n",
1130 get_id_str(proc -> proc_ident)));
1132 if(eff -> effect.store.ent) {
1133 ent = eff -> effect.store.ent -> f_ent;
1134 VERBOSE_PRINT((stdout, "store to entity %s\n", get_entity_name(ent)));
1137 VERBOSE_PRINT((stdout, "store to memory\n"));
1141 addr = find_valueid_in_proc_effects(eff -> effect.store.ptrrefid, proc);
1142 assert(addr && "no address for store");
1143 /* if addr is Unknown, set propper mode */
1144 if(iro_Unknown == get_irn_opcode(addr -> firmnode)) {
1145 set_irn_mode(addr -> firmnode, mode_P);
1148 val = find_valueid_in_proc_effects(eff -> effect.store.valrefid, proc);
1149 assert(val && "no address for store");
1150 /* if addr is Unknown, set propper mode */
1151 if(iro_Unknown == get_irn_opcode(val -> firmnode)) {
1152 set_irn_mode(val -> firmnode, get_type_mode(get_entity_type(ent)));
1156 sel = new_simpleSel(get_store(), addr -> firmnode, ent);
1159 sel = addr -> firmnode;
1161 store = new_Store(get_store(), sel, val -> firmnode);
1162 set_store(new_Proj(store, mode_M, 0));
1163 eff -> firmnode = store;
1167 static void create_abstract_alloc(ir_graph *irg, proc_t *proc, eff_t *eff)
1172 symconst_symbol sym;
1174 VERBOSE_PRINT((stdout, "create alloc in %s\n",
1175 get_id_str(proc -> proc_ident)));
1177 xtype = find_type_in_module(current_module, eff -> effect.alloc.tp_id);
1178 assert(xtype && "type not found");
1179 ftype = xtype -> f_tp;
1182 alloc = new_Alloc(get_store(), new_SymConst(sym, symconst_size), ftype,
1184 set_store(new_Proj(alloc, mode_M, 0));
1185 eff -> firmnode = new_Proj(alloc, mode_P, 2);
1187 add_value_to_proc(proc, eff);
1191 static void create_abstract_unknown(ir_graph *irg, proc_t *proc, eff_t *eff)
1195 VERBOSE_PRINT((stdout, "create unknown in %s\n",
1196 get_id_str(proc -> proc_ident)));
1198 unknown = new_Unknown(mode_ANY);
1199 eff -> firmnode = unknown;
1201 add_value_to_proc(proc, eff);
1205 static void create_abstract_call(ir_graph *irg, proc_t *proc, eff_t *eff)
1207 ir_node *sel, *call;
1213 int mik; /* is method somehow known? */
1215 VERBOSE_PRINT((stdout, "create call in %s\n",
1216 get_id_str(proc -> proc_ident)));
1218 if(eff -> effect.call.ent) {
1219 ent = eff -> effect.call.ent -> f_ent;
1220 VERBOSE_PRINT((stdout, "call %s\n", get_entity_name(ent)));
1224 VERBOSE_PRINT((stdout, "call something in memory\n"));
1227 addr = find_valueid_in_proc_effects(eff -> effect.call.valrefid, proc);
1228 assert(addr && "no address for load");
1229 /* if addr is Unknown, set proper mode */
1230 if(iro_Unknown == get_irn_opcode(addr -> firmnode)) {
1231 set_irn_mode(addr -> firmnode, mode_P);
1236 sel = new_simpleSel(get_store(), addr -> firmnode, ent);
1238 mtype = get_entity_type(ent);
1243 sel = addr -> firmnode;
1245 mtype = get_unknown_type();
1250 num = eff -> effect.call.n_args;
1251 VERBOSE_PRINT((stdout, "number of args given: %d\n", num));
1253 VERBOSE_PRINT((stdout, "number of args expected: %d\n",
1254 get_method_n_params(mtype)));
1256 irns = alloca(num * sizeof(ir_node*));
1257 for(i = 0; i < num; i++) {
1258 irns[i] = find_valueid_in_proc_effects(eff -> effect.call.args[i], proc)
1260 if(iro_Unknown == get_irn_opcode(irns[i])) {
1262 set_irn_mode(irns[i], get_type_mode(get_method_param_type(mtype, i)));
1265 set_irn_mode(irns[i], mode_ANY);
1269 call = new_Call(get_store(), sel, num, irns, mtype);
1270 set_store(new_Proj(call, mode_M, 0));
1271 if(mik && (0 != get_method_n_ress(mtype))) {
1272 eff -> firmnode = new_Proj(call,
1273 get_type_mode(get_method_res_type(mtype, 0)),
1275 add_value_to_proc(proc, eff); /* result can be accessed */
1278 eff -> firmnode = NULL; /* result can not be accessed */
1282 static void create_abstract_join (ir_graph *irg, proc_t *proc, eff_t *eff)
1284 ir_node **ins = NULL;
1285 ir_node *unknown = NULL;
1286 ir_node *cond = NULL;
1287 ir_node *block = NULL;
1288 ir_node *c_block = NULL;
1289 ir_node *phi = NULL;
1290 ir_mode *join_md = mode_ANY;
1294 VERBOSE_PRINT((stdout, "create join in %s\n",
1295 get_id_str(proc -> proc_ident)));
1297 assert (eff_join == eff->kind);
1299 n_ins = eff->effect.join.n_ins;
1301 /* seems like current_block is not always mature at this point */
1302 mature_immBlock (get_cur_block ());
1304 block = get_cur_block (); /* remember this so we can put the ProjXs into it */
1306 /* jump based on an unknown condition so all values are possible */
1307 unknown = new_Unknown (mode_Iu);
1308 cond = new_Cond (unknown);
1310 c_block = new_immBlock (); /* for the Phi after the branch(es) */
1312 ins = (ir_node**) xmalloc (n_ins * sizeof (ir_node*));
1313 for (i = 0; i < n_ins; i ++) {
1314 ir_node *projX = NULL;
1315 ir_node *s_block = NULL;
1316 ir_node *jmp = NULL;
1319 /* make sure the projX is in the 'switch' block */
1320 set_cur_block (block);
1321 projX = new_Proj (cond, mode_X, (long) i);
1323 /* this also sets current_block, so the rest of the code ends up there: */
1324 s_block = new_immBlock ();
1326 add_immBlock_pred (s_block, projX);
1327 mature_immBlock (s_block);
1329 in_eff = find_valueid_in_proc_effects (eff->effect.join.ins [i], proc);
1331 ins [i] = in_eff->firmnode;
1333 /* need to find a suitable mode for the Phi node */
1334 if (mode_ANY != get_irn_mode (ins [i])) {
1335 join_md = get_irn_mode (ins [i]);
1339 add_immBlock_pred (c_block, jmp);
1342 set_cur_block (c_block);
1344 phi = new_Phi (n_ins, ins, join_md);
1346 mature_immBlock (c_block);
1347 memset (ins, 0x00, n_ins * sizeof (ir_node*));
1350 eff->firmnode = phi;
1352 add_value_to_proc (proc, eff);
1355 static void create_abstract_raise (ir_graph *irg, proc_t *proc, eff_t *eff)
1357 ir_node *block = NULL;
1358 ir_node *unknown = NULL;
1359 ir_node *cond = NULL;
1361 /* seems like current_block is not always mature at this point */
1362 mature_immBlock (get_cur_block ());
1363 block = get_cur_block (); /* remember this so we can put the ProjXs into it */
1365 /* jump based on an unknown condition so both values are possible */
1366 unknown = new_Unknown (mode_Iu);
1367 cond = new_Cond (unknown);
1369 /* one branch for 'throw-exception' case */
1371 ir_node *projX = new_Proj (cond, mode_X, 1L);
1372 ir_node *b_exc = new_immBlock ();
1373 ir_node *obj = NULL;
1374 ir_node *thrw = NULL;
1375 eff_t *thrw_eff = NULL;
1377 add_immBlock_pred (b_exc, projX);
1379 thrw_eff = find_valueid_in_proc_effects (eff->effect.raise.valref, proc);
1380 obj = thrw_eff->firmnode;
1382 thrw = new_Raise (get_store (), obj);
1383 /* exc-jump to end block */
1384 thrw = new_Proj (thrw, mode_X, 0L);
1386 add_immBlock_pred (get_irg_end_block (irg), thrw);
1387 mature_immBlock (get_cur_block ());
1390 set_cur_block (block); /* back to the first block */
1392 /* one branch for 'non-exception' case */
1394 ir_node *projX = new_Proj (cond, mode_X, 0);
1395 new_immBlock (); /* also sets current_block */
1396 add_immBlock_pred (get_cur_block (), projX);
1397 mature_immBlock (get_cur_block ());
1398 /* continue building in current_block */
1403 static void create_abstract_firm(module_t *module, proc_t *proc, entity *fent)
1410 assert(visibility_external_allocated == get_entity_visibility(fent)
1411 && peculiarity_existent == get_entity_peculiarity(fent)
1412 && "not an abstract entity");
1413 /* create irg in entity */
1414 irg = new_pseudo_ir_graph(fent, 0);
1415 set_irg_inline_property(irg, irg_inline_forbidden);
1417 /* @@@ If the spec says so: */
1418 set_entity_visibility(fent, visibility_local);
1420 VERBOSE_PRINT((stdout, "create effects for %s\n",
1421 get_id_str(proc -> proc_ident)));
1423 /* create effects in irg */
1424 num = proc -> n_effs;
1425 for(i = 0; i < num; i++) {
1426 eff = proc -> effs[i];
1427 VERBOSE_PRINT((stdout,
1428 "create effect \"%s\"\n", effect_string[(int)eff -> kind]));
1429 switch(eff -> kind) {
1431 create_abstract_return(irg, proc, eff);
1434 create_abstract_arg(irg, proc, eff);
1437 create_abstract_load(irg, proc, eff);
1440 create_abstract_store(irg, proc, eff);
1443 create_abstract_unknown(irg, proc, eff);
1446 create_abstract_alloc(irg, proc, eff);
1449 create_abstract_call(irg, proc, eff);
1452 create_abstract_join(irg, proc, eff);
1455 create_abstract_raise(irg, proc, eff);
1458 assert(0 && "effect not implemented");
1463 /* close irg in entity */
1464 /* Now we can mature the end block as all it's predecessors are known. */
1465 mature_immBlock (get_irg_end_block(irg));
1467 /* Verify the graph. Finds some very bad errors in the graph. */
1468 VERBOSE_PRINT((stdout, "verify graph\n"));
1470 VERBOSE_PRINT((stdout, "finalize construction\n"));
1471 irg_finalize_cons (irg);
1474 /********************************************************************/
1476 static void assign_firm_entity(module_t *module, entity_t *xmlent)
1483 VERBOSE_PRINT((stdout, "assign entity %s to typeid %s\n",
1484 get_id_str(xmlent -> ent_ident),
1485 get_id_str(xmlent -> owner)));
1487 typ = find_type_in_module(module, xmlent -> owner);
1488 assert(typ && "class not found in module");
1490 assert(is_Class_type(type));
1492 num = get_class_n_members(type);
1494 for(i = 0; i < num; i++) {
1495 ent = get_class_member(type, i);
1496 VERBOSE_PRINT((stdout, "compare entity %s and %s\n",
1497 get_id_str(xmlent -> ent_ident), get_entity_name(ent)));
1499 if(get_entity_ident(ent) == xmlent -> ent_ident) {
1504 assert(ent && "did not find a entity");
1506 xmlent -> f_ent = ent;
1509 /********************************************************************/
1510 /* must be primitive type or class type */
1511 static void assign_firm_type(type_t *xmltype)
1517 VERBOSE_PRINT((stdout, "assign firm type to type %s\n",
1518 get_id_str(xmltype -> type_ident)));
1520 /* is it global type? */
1521 typ = get_glob_type();
1522 if(xmltype -> type_ident == get_type_ident(typ)) {
1524 xmltype -> f_tp = typ;
1525 VERBOSE_PRINT((stdout, "is global type %s\n", get_type_name(typ)));
1527 num = get_irp_n_types();
1528 for(i = 0; i < num; i++) {
1529 typ = get_irp_type(i);
1530 VERBOSE_PRINT((stdout, "test type %s\n", get_type_name(typ)));
1531 if(xmltype -> type_ident == get_type_ident(typ)) {
1532 VERBOSE_PRINT((stdout, "found type %s\n", get_type_name(typ)));
1533 xmltype -> f_tp = typ;
1539 assert(typ && "did not find a type");
1542 /********************************************************************/
1544 void create_abstract_proc_effect(module_t *module, proc_t *proc)
1547 type *class_typ = NULL;
1551 /* find the class of a procedure */
1552 VERBOSE_PRINT((stdout, "do find owner id %s\n", get_id_str(proc -> ownerid)));
1553 type = find_type_in_module(module, proc -> ownerid);
1554 assert(type && "class not found in module");
1556 class_typ = get_glob_type();
1557 VERBOSE_PRINT((stdout, "test type %s\n", get_type_name(class_typ)));
1558 if(type -> type_ident != get_type_ident(class_typ)) {
1559 /* find module as class */
1560 num = get_irp_n_types();
1561 for(i = 0; i < num; i++) {
1562 class_typ = get_irp_type(i);
1563 VERBOSE_PRINT((stdout, "test type %s\n", get_type_name(class_typ)));
1564 if (is_Class_type(class_typ)
1565 && (type -> type_ident == get_type_ident(class_typ))) {
1566 /* found class type */
1567 VERBOSE_PRINT((stdout, "found type %s\n", get_type_name(class_typ)));
1574 VERBOSE_PRINT((stdout, "found global type %s\n", get_type_name(class_typ)));
1576 assert(class_typ && "type not found");
1577 assert(is_Class_type(class_typ) && "is not a class type");
1578 type -> f_tp = class_typ;
1580 /* find entity for procedure in class */
1581 VERBOSE_PRINT((stdout, "find method %s\n",
1582 get_id_str(proc -> proc_ident)));
1584 num = get_class_n_members(class_typ);
1586 for(i = 0; i < num; i++) {
1587 fent = get_class_member(class_typ, i);
1588 VERBOSE_PRINT((stdout, "test proc %s\n", get_entity_name(fent)));
1589 if(proc -> proc_ident == get_entity_ident(fent)) {
1590 VERBOSE_PRINT((stdout, "found proc %s\n",
1591 get_id_str(proc -> proc_ident)));
1592 /* @@@ TODO check args types - not in xml yet */
1593 /* create Firm stuff */
1594 create_abstract_firm(module, proc, fent);
1604 "method %s not found\nNo effects generated\nCandidates are:\n",
1605 get_id_str(proc -> proc_ident));
1606 for(i = 0; i < num; i++) {
1607 fent = get_class_member(class_typ, i);
1608 fprintf(stderr, "%s\n", get_entity_name(fent));
1610 //assert(fent && "procedure not found in class");
1614 void create_abstract_module(module_t *module)
1620 VERBOSE_PRINT((stdout, "create an abstraction for module %s\n",
1621 get_id_str(module -> id)));
1623 VERBOSE_PRINT((stdout, "--handle types for module\n"));
1624 for(type = module -> types; type; type = type -> prev) {
1625 assign_firm_type(type);
1628 VERBOSE_PRINT((stdout, "--handle entities for module\n"));
1630 for(ent = module -> entities; ent; ent = ent -> prev) {
1631 assign_firm_entity(module, ent);
1634 VERBOSE_PRINT((stdout, "--handle procs for module\n"));
1635 for(proc = module -> procs; proc; proc = proc -> next) {
1636 create_abstract_proc_effect(module, proc);
1641 int create_abstraction(const char *filename)
1645 /* read and parse XML file */
1646 if (! read_extern(filename))
1649 /* finished reading and parsing here */
1650 /* build FIRM graphs */
1653 current_module = module;
1654 create_abstract_module(module);
1655 module = module -> next;
1657 current_module = NULL;
1659 /* free data structures */
1671 void free_abstraction(void) {
1672 int i, n_pseudo_irgs = get_irp_n_pseudo_irgs();
1673 for (i = 0; i < n_pseudo_irgs; ++i) {
1674 ir_graph *p_irg = get_irp_pseudo_irg(i);
1675 set_entity_visibility(get_irg_entity(p_irg), visibility_external_allocated);
1676 // @@@ free_pseudo_ir_graph(p_irg);
1681 /********************************************************************/
1686 * Revision 1.23 2005/11/18 09:46:50 beck
1687 * removed depency of bool type and stdbool.h (not C89)
1689 * Revision 1.22 2005/08/16 10:18:35 beck
1690 * create_abstraction() now returns an error code if the file could not
1693 * Revision 1.21 2005/03/10 10:05:38 goetz
1694 * chanmged method name
1696 * Revision 1.20 2005/01/05 14:28:35 beck
1697 * renames all is_x*_type() functions to is_X*_type() to prevent name clash with EDG frontend
1699 * Revision 1.19 2004/12/10 15:14:34 beck
1700 * used xmalloc instead of malloc
1702 * Revision 1.18 2004/12/02 16:21:42 beck
1703 * fixed config.h include
1705 * Revision 1.17 2004/11/23 14:17:31 liekweg
1706 * fenced out currently unneeded static functions
1708 * Revision 1.16 2004/11/11 12:24:52 goetz
1711 * Revision 1.15 2004/11/11 09:28:32 goetz
1712 * treat pseudo irgs special
1713 * parse 'local' from xml files
1715 * Revision 1.14 2004/11/10 14:42:00 boesler
1716 * be more helpful if a method does not exist
1718 * Revision 1.13 2004/11/05 14:00:53 liekweg
1721 * Revision 1.12 2004/11/02 14:30:31 liekweg
1722 * fixed multi-input join (thx, Boris) --flo
1724 * Revision 1.11 2004/10/29 18:51:53 liekweg
1727 * Revision 1.10 2004/10/25 13:52:24 boesler
1728 * seperated read.h (public interface) and read_t.h (types)
1730 * Revision 1.9 2004/10/22 13:51:35 boesler
1731 * prohibit inlining of pseudo ir_graphs
1733 * Revision 1.8 2004/10/22 13:13:27 boesler
1734 * replaced char* by idents, minor fix in Firm codegen for call
1736 * Revision 1.7 2004/10/21 15:31:55 boesler
1737 * added lots of stuff:
1738 * - build abstract syntax trees
1739 * - build Firm graphs for many effects, still todos
1741 * Revision 1.5 2004/10/18 12:48:20 liekweg
1744 * Revision 1.4 2004/10/14 11:31:53 liekweg
1747 * Revision 1.3 2004/10/13 13:36:28 rubino
1750 * Revision 1.2 2004/10/11 15:56:09 liekweg
1751 * Cleanup, comments ...
1752 * Added init func --flo
1754 * Revision 1.1 2004/10/11 09:31:06 liekweg
1755 * First Import of XML reading procs --flo