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.
20 /* get prototype for alloca somehow */
33 #include <libxml/xmlmemory.h>
34 #include <libxml/parser.h>
35 #include <libxml/encoding.h>
41 #include "pseudo_irg.h"
50 # define MY_ENCODING "ISO-8859-1"
52 # define CHECK(ptr,msg) assert (ptr && msg)
54 # define NODE_NAME(n, m) (0 == xmlStrcmp (n->name, (const xmlChar*) #m))
55 # define CHECK_NAME(n, m) assert (0 == xmlStrcmp (n->name, (const xmlChar*) #m))
57 # define NEW(T) (T*)xmalloc(sizeof (T))
60 #define VERBOSE_PRINTING 0
63 # define VERBOSE_PRINT(s) fprintf s
65 # define VERBOSE_PRINT(s)
70 static type_t *types = NULL;
71 static entity_t *entities = NULL;
72 static proc_t *procs = NULL;
73 static module_t *modules = NULL;
76 static module_t *current_module = NULL;
79 /* this is only used inside a VERBOSE_PRINT() call */
80 static const char *effect_string[] = {
93 #endif /* defined VERBOSE_PRINTING */
96 getNodeModuleIdent (xmlNodePtr node)
98 const char *mod_str = (const char*) xmlGetProp (node, BAD_CAST "module");
100 if (NULL == mod_str) {
103 ident *res = new_id_from_str (mod_str);
109 getNodeProcName (xmlNodePtr node)
111 const char *proc_str = (const char*) xmlGetProp (node, BAD_CAST "procname");
118 getNodeClassName (xmlNodePtr node)
120 char *proc_str = (char*) xmlGetProp (node, BAD_CAST "class");
122 return ( (proc_str));
124 # endif /* defined NEEDED */
127 getNodeId (xmlNodePtr node)
129 const char *id_str = (const char*) xmlGetProp (node, BAD_CAST "id");
135 getNodeRefId (xmlNodePtr node)
137 const char *refid_str = (char*) xmlGetProp (node, BAD_CAST "refid");
139 return ((refid_str));
143 getNodeTypeId (xmlNodePtr node)
145 const char *type_str = (char*) xmlGetProp (node, BAD_CAST "type");
151 *getNodeTypeStr (xmlNodePtr node)
153 const char *type_str = (char*) xmlGetProp (node, BAD_CAST "type");
159 getNodeOwnerStr (xmlNodePtr node)
161 const char *owner_str = (char*) xmlGetProp (node, BAD_CAST "owner");
167 *getNodeEntityStr (xmlNodePtr node)
169 const char *ent_str = (char*) xmlGetProp (node, BAD_CAST "ir_entity");
181 type_t *getTypeByIdent (ident *id)
183 type_t *curr = types; // @@@ TODO module -> types
185 while (NULL != curr) {
186 if (id == curr -> type_ident) {
194 # endif /* defined NEEDED */
198 type_t *getTypeById (ident *id)
200 type_t *curr = types; // which ones?
202 while (NULL != curr) {
203 if (id == curr -> id) {
211 # endif /* defined NEEDED */
215 entity_t *getEntityByIdents (ident *name, ident *tp_ident)
217 entity_t *curr = entities; // TODO module -> entities
219 while (NULL != curr) {
220 if ((name == curr -> ent_ident)
221 && (tp_ident == curr -> tp_ident)) {
229 # endif /* defined NEEDED */
232 entity_t *getEntityById (ident *id)
234 entity_t *curr = entities;
236 while (NULL != curr) {
237 if (id == curr -> id) {
248 proc_t *getEffectByName (ident *proc_ident)
250 proc_t *curr_effs = procs;
252 while (NULL != curr_effs) {
253 if (proc_ident == curr_effs -> proc_ident) {
256 curr_effs = curr_effs->next;
261 # endif /* defined NEEDED */
264 xmlNodePtr get_any_valid_child(xmlNodePtr elem)
268 assert(elem && "no element");
269 child = elem -> xmlChildrenNode;
270 while(child && (NODE_NAME (child, comment))) {
271 child = child -> next;
277 xmlNodePtr get_valid_child(xmlNodePtr elem)
281 child = get_any_valid_child(elem);
282 assert(child && "lost child in deep black forest");
287 * parse XML structure and construct an additional structure
290 parseArg (xmlDocPtr doc, xmlNodePtr argelm)
298 CHECK_NAME (argelm, arg);
299 VERBOSE_PRINT ((stdout, "arg node \t0x%08x\n", (int) argelm));
301 id = getNodeId (argelm);
302 VERBOSE_PRINT ((stdout, "arg->id = \"%s\"\n", id));
303 num_str = (char*) xmlGetProp (argelm, BAD_CAST "number");
304 num = atoi (num_str);
305 VERBOSE_PRINT ((stdout, "arg->no = \"%d\"\n", num));
307 typeid = getNodeTypeStr (argelm);
310 arg -> kind = eff_arg;
311 arg -> id = new_id_from_str(id);
312 arg -> effect.arg.num = num;
313 arg -> effect.arg.type_ident = new_id_from_str(typeid);
319 parseValref (xmlDocPtr doc, xmlNodePtr valelm)
324 CHECK_NAME (valelm, valref);
325 VERBOSE_PRINT ((stdout, "valref node \t0x%08x\n", (int) valelm));
327 ref_id = getNodeRefId (valelm);
328 VERBOSE_PRINT ((stdout, "val->refid = \"%s\"\n", ref_id));
330 valref = NEW (eff_t);
331 valref->kind = eff_valref;
332 valref-> id = new_id_from_str(ref_id);
338 parseSelect (xmlDocPtr doc, xmlNodePtr selelm)
340 ident *entity_id = new_id_from_str(getNodeEntityStr (selelm));
343 eff_t *valref = NULL;
344 eff_t *sel = NEW (eff_t);
345 sel->kind = eff_select;
347 CHECK_NAME (selelm, select);
348 VERBOSE_PRINT ((stdout, "select node \t0x%08x\n", (int) selelm));
350 ent = getEntityById (entity_id);
351 assert(ent && "ir_entity not found");
352 VERBOSE_PRINT ((stdout, "select ir_entity %s\n", get_id_str(ent -> ent_ident)));
354 child = selelm->xmlChildrenNode;
357 valref = parseValref (doc, child);
360 sel-> id = valref ? valref-> id : NO_ID;
361 sel-> effect.select.ent = ent;
371 parseLoad (xmlDocPtr doc, xmlNodePtr loadelm)
376 eff_t *load = NEW (eff_t);
377 load->kind = eff_load;
379 CHECK_NAME (loadelm, load);
380 VERBOSE_PRINT ((stdout, "load node \t0x%08x\n", (int) loadelm));
381 id = new_id_from_str(getNodeId (loadelm));
383 child = get_valid_child(loadelm);
384 if(NODE_NAME (child, select)) {
385 sel = parseSelect (doc, child);
386 load-> effect.load.ent = sel-> effect.select.ent;
387 VERBOSE_PRINT ((stdout, "load ir_entity \t%s\n",
388 get_id_str(load -> effect.load.ent -> ent_ident)));
391 sel = parseValref (doc, child);
392 load-> effect.load.ent = NULL;
396 load-> effect.load.ptrrefid = sel-> id;
404 parseStore (xmlDocPtr doc, xmlNodePtr storeelm)
409 eff_t *store = NEW (eff_t);
410 store->kind = eff_store;
412 CHECK_NAME (storeelm, store);
413 VERBOSE_PRINT ((stdout, "store node \t0x%08x\n", (int) storeelm));
415 child = get_valid_child(storeelm);
416 if(NODE_NAME (child, select)) {
417 sel = parseSelect (doc, child);
418 store-> effect.store.ent = sel-> effect.select.ent;
421 sel = parseValref (doc, child);
422 store-> effect.store.ent = NULL;
426 valref = parseValref (doc, child);
428 store-> effect.store.ptrrefid = sel-> id;
429 store-> effect.store.valrefid = valref-> id;
438 parseAlloc (xmlDocPtr doc, xmlNodePtr allocelm)
442 eff_t *alloc = NEW (eff_t); /* ...! */
443 alloc->kind = eff_alloc;
445 CHECK_NAME (allocelm, alloc);
446 VERBOSE_PRINT ((stdout, "alloc node \t0x%08x\n", (int) allocelm));
447 id = new_id_from_str(getNodeId (allocelm));
448 VERBOSE_PRINT ((stdout, "alloc->id = \"%s\"\n", get_id_str(id)));
449 type_id = new_id_from_str(getNodeTypeId (allocelm));
450 VERBOSE_PRINT ((stdout, "alloc->type_id = \"%s\"\n", get_id_str(type_id)));
453 alloc-> effect.alloc.tp_id = type_id;
459 parseCall (xmlDocPtr doc, xmlNodePtr callelm)
466 eff_t *call = NEW (eff_t);
467 call->kind = eff_call;
469 CHECK_NAME (callelm, call);
470 VERBOSE_PRINT ((stdout, "call node \t0x%08x\n", (int) callelm));
471 id = new_id_from_str(getNodeId (callelm));
472 VERBOSE_PRINT ((stdout, "call->id = \"%s\"\n", get_id_str(id)));
474 child = get_valid_child(callelm);
475 if(NODE_NAME (child, select)) {
476 sel = parseSelect (doc, child);
477 call-> effect.call.ent = sel-> effect.select.ent;
480 sel = parseValref (doc, child);
481 call-> effect.call.ent = NULL;
484 arg = child = child->next;
487 while (NULL != child) {
493 call-> effect.call.valrefid = sel-> id;
494 call-> effect.call.n_args = n_args;
495 call-> effect.call.args = NULL;
500 ident **args = (ident**) xmalloc(n_args * sizeof(ident*));
503 while (NULL != arg) {
504 eff_t *valref = parseValref (doc, arg);
505 args [i ++] = valref-> id;
510 call-> effect.call.args = args;
517 parseJoin (xmlDocPtr doc, xmlNodePtr joinelm)
524 eff_t *join = NEW (eff_t);
525 join->kind = eff_join;
527 CHECK_NAME (joinelm, join);
528 VERBOSE_PRINT ((stdout, "join node \t0x%08x\n", (int) joinelm));
529 id = new_id_from_str(getNodeId (joinelm));
530 VERBOSE_PRINT ((stdout, "join->id = \"%s\"\n", get_id_str(id)));
532 child = get_valid_child(joinelm);
535 while (NULL != child) {
540 ins = (ident **) xmalloc (n_ins * sizeof (ident *) );
542 child = get_valid_child(joinelm);
544 while (NULL != child) {
545 eff_t *valref = parseValref (doc, child);
546 ins [i ++] = valref-> id;
552 join-> effect.join.n_ins = n_ins;
553 join-> effect.join.ins = ins;
559 parseUnknown (xmlDocPtr doc, xmlNodePtr unknownelm)
562 eff_t *unknown = NEW (eff_t);
563 unknown->kind = eff_unknown;
565 CHECK_NAME (unknownelm, unknown);
566 VERBOSE_PRINT ((stdout, "unknown node \t0x%08x\n", (int) unknownelm));
567 id = new_id_from_str(getNodeId (unknownelm));
574 parseReturn (xmlDocPtr doc, xmlNodePtr retelm)
577 eff_t *ret = NEW (eff_t);
580 CHECK_NAME (retelm, ret);
581 VERBOSE_PRINT ((stdout, "ret node \t0x%08x\n", (int) retelm));
583 child = get_any_valid_child(retelm);
586 eff_t *valref = parseValref (doc, child);
587 ret-> effect.ret.ret_id = valref-> id;
590 ret-> effect.ret.ret_id = NO_ID;
597 parseRaise (xmlDocPtr doc, xmlNodePtr raiseelm)
602 eff_t *raise = NEW (eff_t);
603 raise->kind = eff_raise;
605 CHECK_NAME (raiseelm, raise);
606 VERBOSE_PRINT ((stdout, "raise node \t0x%08x\n", (int) raiseelm));
607 tp_id = getNodeTypeId (raiseelm);
608 VERBOSE_PRINT ((stdout, "raise->type = \"%s\"\n", tp_id));
609 child = get_valid_child(raiseelm);
611 assert (NULL != child);
613 valref = parseValref (doc, child);
614 raise-> effect.raise.valref = valref-> id;
615 raise-> effect.raise.tp_id = new_id_from_str(tp_id);
626 /** parse a type node and insert it into the list */
628 parseType (xmlDocPtr doc, xmlNodePtr typeelm)
631 const char *tp_id = getNodeId (typeelm);
632 VERBOSE_PRINT ((stdout, "type node \t0x%08x (%s)\n", (int) typeelm, tp_id));
633 VERBOSE_PRINT ((stdout, "type = \"%s\"\n", getNodeTypeStr (typeelm)));
635 type = (type_t*) xmalloc (sizeof (type_t));
636 type -> type_ident = new_id_from_str(getNodeTypeStr (typeelm));
637 type -> id = new_id_from_str(tp_id);
643 /** parse an ir_entity node and insert it into the list */
645 parseEntity (xmlDocPtr doc, xmlNodePtr entelm)
647 entity_t *ent = NEW (entity_t);
650 const char *ent_id = getNodeId (entelm);
651 /* fprintf (stdout, "ir_entity node \t0x%08x (%d)\n", (int) entelm, ent_id); */
652 VERBOSE_PRINT ((stdout, "ent = \"%s.%s\"\n",
653 getNodeTypeStr (entelm),
654 getNodeEntityStr (entelm)));
657 ent -> ent_ident = new_id_from_str (getNodeEntityStr (entelm));
658 ent -> tp_ident = new_id_from_str (getNodeTypeStr (entelm));
659 ent -> owner = new_id_from_str (getNodeOwnerStr (entelm));
660 ent -> id = new_id_from_str(ent_id);
662 ent->prev = entities;
666 /** parse any effect, and turn it into an eff_t (TODO) */
668 parseEffect (xmlDocPtr doc, xmlNodePtr effelm)
671 const char *procname = getNodeProcName (effelm);
672 const char *ownerid = getNodeOwnerStr (effelm);
673 proc_t *curr_effs = NULL;
677 VERBOSE_PRINT ((stdout, "effect for method \"%s\"\n", procname));
679 cur = effelm -> xmlChildrenNode;
680 while (NULL != cur) {
684 VERBOSE_PRINT ((stdout, "has %d effects\n", n_effs));
686 curr_effs = NEW (proc_t);
687 curr_effs -> proc_ident = new_id_from_str(procname);
688 curr_effs -> ownerid = new_id_from_str(ownerid);
689 curr_effs->effs = (eff_t**) xmalloc (n_effs * sizeof (eff_t*));
691 cur = effelm -> xmlChildrenNode;
692 while (NULL != cur) {
695 if (NODE_NAME (cur, arg)) {
696 eff = (eff_t*) parseArg (doc, cur);
697 } else if (NODE_NAME (cur, load)) {
698 eff = (eff_t*) parseLoad (doc, cur);
699 } else if (NODE_NAME (cur, store)) {
700 eff = (eff_t*) parseStore (doc, cur);
701 } else if (NODE_NAME (cur, alloc)) {
702 eff = (eff_t*) parseAlloc (doc, cur);
703 } else if (NODE_NAME (cur, call)) {
704 eff = (eff_t*) parseCall (doc, cur);
705 } else if (NODE_NAME (cur, join)) {
706 eff = (eff_t*) parseJoin (doc, cur);
707 } else if (NODE_NAME (cur, unknown)) {
708 eff = (eff_t*) parseUnknown (doc, cur);
709 } else if (NODE_NAME (cur, ret)) {
710 eff = (eff_t*) parseReturn (doc, cur);
711 } else if (NODE_NAME (cur, raise)) {
712 eff = (eff_t*) parseRaise (doc, cur);
713 } else if (NODE_NAME (cur, comment)) {
717 fprintf (stderr, "wrong element \"%s\"\n", BAD_CAST cur->name);
721 VERBOSE_PRINT ((stdout, "effect %p@%d\n", (void*)eff, i));
722 curr_effs -> effs[i++] = eff;
726 assert((i == n_effs) && "incorrect number of effects");
727 curr_effs -> n_effs = n_effs;
728 curr_effs -> next = procs;
734 int read_extern (const char *filename)
736 /* xmlNsPtr ns = NULL; */ /* no namespace for us */
737 xmlDocPtr doc; /* whole document */
738 xmlNodePtr cur; /* current node */
742 /* i've got no idea what the VERSION cast is all about. voodoo
743 programming at its finest. */
744 LIBXML_TEST_VERSION xmlKeepBlanksDefault (0);
745 VERBOSE_PRINT((stdout, "read file %s\n", filename));
746 doc = xmlParseFile (filename);
750 cur = xmlDocGetRootElement (doc);
751 CHECK (cur, "xmlDocGetRootElement");
753 if (! NODE_NAME (cur, effects)) {
754 fprintf (stderr,"root node \"%s\" != \"effects\"\n", BAD_CAST cur->name);
759 mod_id = getNodeModuleIdent (cur);
760 if (NULL != mod_id) {
761 VERBOSE_PRINT ((stdout, "effects for \"%s\"\n",
762 get_id_str(mod_id)));
765 VERBOSE_PRINT ((stdout, "effects \t0x%08x\n", (int) cur));
769 cur = cur->xmlChildrenNode;
770 while (cur != NULL) {
771 if (NODE_NAME (cur, type)) {
772 parseType (doc, cur);
773 } else if (NODE_NAME (cur, ir_entity)) {
774 parseEntity (doc, cur);
775 } else if (NODE_NAME (cur, effect)) {
776 parseEffect (doc, cur);
777 } else if ((NODE_NAME (cur, comment))) {
780 fprintf (stderr, "wrong element \"%s\"\n", BAD_CAST cur->name);
786 module = NEW(module_t);
787 module -> id = mod_id;
788 module -> types = types;
789 module -> entities = entities;
790 module -> procs = procs;
796 module -> next = modules;
802 /********************************************************************/
805 * free additional structure
808 void freeArg (eff_t *arg)
810 VERBOSE_PRINT ((stdout, "free arg node \t0x%08x\n", (int) arg));
816 void freeValref (eff_t *valref)
818 VERBOSE_PRINT ((stdout, "free valref node \t0x%08x\n", (int) valref));
824 void freeSelect (eff_t *sel)
826 VERBOSE_PRINT ((stdout, "free select node \t0x%08x\n", (int) sel));
832 void freeLoad (eff_t *load)
834 VERBOSE_PRINT ((stdout, "free load node \t0x%08x\n", (int) load));
840 void freeStore (eff_t *store)
842 VERBOSE_PRINT ((stdout, "free store node \t0x%08x\n", (int) store));
848 void freeAlloc (eff_t *alloc)
850 VERBOSE_PRINT ((stdout, "free alloc node \t0x%08x\n", (int) alloc));
856 void freeCall (eff_t *call)
858 VERBOSE_PRINT ((stdout, "free call node \t0x%08x\n", (int) call));
859 free(call -> effect.call.args);
865 void freeJoin (eff_t *join)
867 VERBOSE_PRINT ((stdout, "free join node \t0x%08x\n", (int) join));
868 free(join -> effect.join.ins);
874 void freeUnknown (eff_t *unknown)
876 VERBOSE_PRINT ((stdout, "free unknown node \t0x%08x\n", (int) unknown));
882 void freeReturn (eff_t *ret)
884 VERBOSE_PRINT ((stdout, "free ret node \t0x%08x\n", (int) ret));
890 void freeRaise (eff_t *raise)
892 VERBOSE_PRINT ((stdout, "free raise node \t0x%08x\n", (int) raise));
899 void freeProcEffs(proc_t *proc)
904 VERBOSE_PRINT ((stdout, "free effect for method \"%s\"\n",
905 get_id_str(proc -> proc_ident)));
907 num = proc -> n_effs;
908 for(i = 0; i < num; i++) {
909 switch(proc -> effs[i] -> kind) {
911 freeArg(proc -> effs[i]);
914 freeValref(proc -> effs[i]);
917 freeSelect(proc -> effs[i]);
920 freeLoad(proc -> effs[i]);
923 freeStore(proc -> effs[i]);
926 freeAlloc(proc -> effs[i]);
929 freeCall(proc -> effs[i]);
932 freeUnknown(proc -> effs[i]);
935 freeJoin(proc -> effs[i]);
938 freeRaise(proc -> effs[i]);
941 freeReturn(proc -> effs[i]);
944 assert(0 && "try to free an unknown effect");
953 void freeModuleProcs(module_t *module)
955 proc_t *next_proc, *proc;
957 VERBOSE_PRINT ((stdout, "free procs for module \"%s\"\n",
958 get_id_str(module -> id)));
960 proc = module -> procs;
962 next_proc = proc -> next;
972 module_t *module, *next_module;
976 freeModuleProcs(module);
977 next_module = module -> next;
979 module = next_module;
983 /********************************************************************/
986 type_t *find_type_in_module(module_t *module, ident *typeid)
990 for(type = module -> types; type; type = type -> prev) {
991 VERBOSE_PRINT((stdout, "test typeid %s\n", get_id_str(type -> id)));
992 if(type -> id == typeid) {
993 VERBOSE_PRINT((stdout, "found\n"));
997 VERBOSE_PRINT((stdout, "did not find type id %s\n", get_id_str(typeid)));
1001 /********************************************************************/
1003 static void add_value_to_proc(proc_t *proc, eff_t *eff)
1005 eff -> next = proc -> values;
1006 proc -> values = eff;
1010 eff_t *find_valueid_in_proc_effects(ident *id, proc_t *proc)
1014 val = proc -> values;
1016 if(id == val -> id) {
1024 static void create_abstract_return(ir_graph *irg, proc_t *proc, eff_t *eff)
1029 VERBOSE_PRINT((stdout, "create effect:return in %s\n",
1030 get_id_str(proc -> proc_ident)));
1031 if(NO_ID == eff -> effect.ret.ret_id) {
1033 x = new_Return (get_store(), 0, NULL);
1038 /* return one value */
1039 eff_res = find_valueid_in_proc_effects(eff -> effect.ret.ret_id, proc);
1040 assert(eff_res -> firmnode && "firm in effect not set");
1041 in[0] = eff_res -> firmnode;
1042 x = new_Return (get_store(), 1, in);
1044 eff -> firmnode = x;
1046 /* Now we generated all instructions for this block and all its predecessor
1047 * blocks so we can mature it. (There are not too much.) */
1048 mature_immBlock (get_irg_current_block(irg));
1050 /* This adds the in edge of the end block which originates at the return statement.
1051 * The return node passes controlflow to the end block. */
1052 add_immBlock_pred (get_irg_end_block(irg), x);
1056 static void create_abstract_arg(ir_graph *irg, proc_t *proc, eff_t *eff)
1064 VERBOSE_PRINT((stdout, "create effect:arg %d in %s\n",
1065 eff -> effect.arg.num, get_id_str(proc -> proc_ident)));
1066 ent = get_irg_entity(irg);
1067 typ = get_entity_type(ent);
1069 /* read argument eff -> effect.arg.num and place in values list */
1070 num = get_method_n_params(typ);
1071 assert((num >= eff -> effect.arg.num) && "number too big");
1072 typ = get_method_param_type(typ, eff -> effect.arg.num);
1073 mode = get_type_mode(typ);
1075 arg = new_Proj(get_irg_args(irg), mode, eff -> effect.arg.num);
1076 eff -> firmnode = arg;
1078 add_value_to_proc(proc, eff);
1082 static void create_abstract_load(ir_graph *irg, proc_t *proc, eff_t *eff)
1084 ir_node *sel, *load;
1089 VERBOSE_PRINT((stdout, "create load in %s\n",
1090 get_id_str(proc -> proc_ident)));
1092 if(eff -> effect.load.ent) {
1093 ent = eff -> effect.load.ent -> f_ent;
1094 VERBOSE_PRINT((stdout, "load from %s\n", get_entity_name(ent)));
1097 VERBOSE_PRINT((stdout, "store to memory\n"));
1101 addr = find_valueid_in_proc_effects(eff -> effect.load.ptrrefid, proc);
1102 assert(addr && "no address for load");
1103 /* if addr is Unknown, set proper mode */
1104 if(iro_Unknown == get_irn_opcode(addr -> firmnode)) {
1105 set_irn_mode(addr -> firmnode, mode_P);
1109 sel = new_simpleSel(get_store(), addr -> firmnode, ent);
1110 mode = get_type_mode(get_entity_type(ent));
1113 sel = addr -> firmnode;
1116 load = new_Load(get_store(), sel, mode);
1117 set_store(new_Proj(load, mode_M, 0));
1118 eff -> firmnode = new_Proj(load, mode, 2);
1120 add_value_to_proc(proc, eff);
1124 static void create_abstract_store(ir_graph *irg, proc_t *proc, eff_t *eff)
1126 ir_node *sel, *store;
1130 VERBOSE_PRINT((stdout, "create store in %s\n",
1131 get_id_str(proc -> proc_ident)));
1133 if(eff -> effect.store.ent) {
1134 ent = eff -> effect.store.ent -> f_ent;
1135 VERBOSE_PRINT((stdout, "store to ir_entity %s\n", get_entity_name(ent)));
1138 VERBOSE_PRINT((stdout, "store to memory\n"));
1142 addr = find_valueid_in_proc_effects(eff -> effect.store.ptrrefid, proc);
1143 assert(addr && "no address for store");
1144 /* if addr is Unknown, set propper mode */
1145 if(iro_Unknown == get_irn_opcode(addr -> firmnode)) {
1146 set_irn_mode(addr -> firmnode, mode_P);
1149 val = find_valueid_in_proc_effects(eff -> effect.store.valrefid, proc);
1150 assert(val && "no address for store");
1151 /* if addr is Unknown, set propper mode */
1152 if(iro_Unknown == get_irn_opcode(val -> firmnode)) {
1153 set_irn_mode(val -> firmnode, get_type_mode(get_entity_type(ent)));
1157 sel = new_simpleSel(get_store(), addr -> firmnode, ent);
1160 sel = addr -> firmnode;
1162 store = new_Store(get_store(), sel, val -> firmnode);
1163 set_store(new_Proj(store, mode_M, 0));
1164 eff -> firmnode = store;
1168 static void create_abstract_alloc(ir_graph *irg, proc_t *proc, eff_t *eff)
1173 symconst_symbol sym;
1175 VERBOSE_PRINT((stdout, "create alloc in %s\n",
1176 get_id_str(proc -> proc_ident)));
1178 xtype = find_type_in_module(current_module, eff -> effect.alloc.tp_id);
1179 assert(xtype && "type not found");
1180 ftype = xtype -> f_tp;
1183 alloc = new_Alloc(get_store(), new_SymConst(sym, symconst_type_size), ftype,
1185 set_store(new_Proj(alloc, mode_M, 0));
1186 eff -> firmnode = new_Proj(alloc, mode_P, 2);
1188 add_value_to_proc(proc, eff);
1192 static void create_abstract_unknown(ir_graph *irg, proc_t *proc, eff_t *eff)
1196 VERBOSE_PRINT((stdout, "create unknown in %s\n",
1197 get_id_str(proc -> proc_ident)));
1199 unknown = new_Unknown(mode_ANY);
1200 eff -> firmnode = unknown;
1202 add_value_to_proc(proc, eff);
1206 static void create_abstract_call(ir_graph *irg, proc_t *proc, eff_t *eff)
1208 ir_node *sel, *call;
1214 int mik; /* is method somehow known? */
1216 VERBOSE_PRINT((stdout, "create call in %s\n",
1217 get_id_str(proc -> proc_ident)));
1219 if(eff -> effect.call.ent) {
1220 ent = eff -> effect.call.ent -> f_ent;
1221 VERBOSE_PRINT((stdout, "call %s\n", get_entity_name(ent)));
1225 VERBOSE_PRINT((stdout, "call something in memory\n"));
1228 addr = find_valueid_in_proc_effects(eff -> effect.call.valrefid, proc);
1229 assert(addr && "no address for load");
1230 /* if addr is Unknown, set proper mode */
1231 if(iro_Unknown == get_irn_opcode(addr -> firmnode)) {
1232 set_irn_mode(addr -> firmnode, mode_P);
1237 sel = new_simpleSel(get_store(), addr -> firmnode, ent);
1239 mtype = get_entity_type(ent);
1244 sel = addr -> firmnode;
1246 mtype = get_unknown_type();
1251 num = eff -> effect.call.n_args;
1252 VERBOSE_PRINT((stdout, "number of args given: %d\n", num));
1254 VERBOSE_PRINT((stdout, "number of args expected: %d\n",
1255 get_method_n_params(mtype)));
1257 irns = alloca(num * sizeof(ir_node*));
1258 for(i = 0; i < num; i++) {
1259 irns[i] = find_valueid_in_proc_effects(eff -> effect.call.args[i], proc)
1261 if(iro_Unknown == get_irn_opcode(irns[i])) {
1263 set_irn_mode(irns[i], get_type_mode(get_method_param_type(mtype, i)));
1266 set_irn_mode(irns[i], mode_ANY);
1270 call = new_Call(get_store(), sel, num, irns, mtype);
1271 set_store(new_Proj(call, mode_M, 0));
1272 if(mik && (0 != get_method_n_ress(mtype))) {
1273 eff -> firmnode = new_Proj(call,
1274 get_type_mode(get_method_res_type(mtype, 0)),
1276 add_value_to_proc(proc, eff); /* result can be accessed */
1279 eff -> firmnode = NULL; /* result can not be accessed */
1283 static void create_abstract_join (ir_graph *irg, proc_t *proc, eff_t *eff)
1285 ir_node **ins = NULL;
1286 ir_node *unknown = NULL;
1287 ir_node *cond = NULL;
1288 ir_node *block = NULL;
1289 ir_node *c_block = NULL;
1290 ir_node *phi = NULL;
1291 ir_mode *join_md = mode_ANY;
1295 VERBOSE_PRINT((stdout, "create join in %s\n",
1296 get_id_str(proc -> proc_ident)));
1298 assert (eff_join == eff->kind);
1300 n_ins = eff->effect.join.n_ins;
1302 /* seems like current_block is not always mature at this point */
1303 mature_immBlock (get_cur_block ());
1305 block = get_cur_block (); /* remember this so we can put the ProjXs into it */
1307 /* jump based on an unknown condition so all values are possible */
1308 unknown = new_Unknown (mode_Iu);
1309 cond = new_Cond (unknown);
1311 c_block = new_immBlock (); /* for the Phi after the branch(es) */
1313 ins = (ir_node**) xmalloc (n_ins * sizeof (ir_node*));
1314 for (i = 0; i < n_ins; i ++) {
1315 ir_node *projX = NULL;
1316 ir_node *s_block = NULL;
1317 ir_node *jmp = NULL;
1320 /* make sure the projX is in the 'switch' block */
1321 set_cur_block (block);
1322 projX = new_Proj (cond, mode_X, (long) i);
1324 /* this also sets current_block, so the rest of the code ends up there: */
1325 s_block = new_immBlock ();
1327 add_immBlock_pred (s_block, projX);
1328 mature_immBlock (s_block);
1330 in_eff = find_valueid_in_proc_effects (eff->effect.join.ins [i], proc);
1332 ins [i] = in_eff->firmnode;
1334 /* need to find a suitable mode for the Phi node */
1335 if (mode_ANY != get_irn_mode (ins [i])) {
1336 join_md = get_irn_mode (ins [i]);
1340 add_immBlock_pred (c_block, jmp);
1343 set_cur_block (c_block);
1345 phi = new_Phi (n_ins, ins, join_md);
1347 mature_immBlock (c_block);
1348 memset (ins, 0x00, n_ins * sizeof (ir_node*));
1351 eff->firmnode = phi;
1353 add_value_to_proc (proc, eff);
1356 static void create_abstract_raise (ir_graph *irg, proc_t *proc, eff_t *eff)
1358 ir_node *block = NULL;
1359 ir_node *unknown = NULL;
1360 ir_node *cond = NULL;
1362 /* seems like current_block is not always mature at this point */
1363 mature_immBlock (get_cur_block ());
1364 block = get_cur_block (); /* remember this so we can put the ProjXs into it */
1366 /* jump based on an unknown condition so both values are possible */
1367 unknown = new_Unknown (mode_Iu);
1368 cond = new_Cond (unknown);
1370 /* one branch for 'throw-exception' case */
1372 ir_node *projX = new_Proj (cond, mode_X, 1L);
1373 ir_node *b_exc = new_immBlock ();
1374 ir_node *obj = NULL;
1375 ir_node *thrw = NULL;
1376 eff_t *thrw_eff = NULL;
1378 add_immBlock_pred (b_exc, projX);
1380 thrw_eff = find_valueid_in_proc_effects (eff->effect.raise.valref, proc);
1381 obj = thrw_eff->firmnode;
1383 thrw = new_Raise (get_store (), obj);
1384 /* exc-jump to end block */
1385 thrw = new_Proj (thrw, mode_X, 0L);
1387 add_immBlock_pred (get_irg_end_block (irg), thrw);
1388 mature_immBlock (get_cur_block ());
1391 set_cur_block (block); /* back to the first block */
1393 /* one branch for 'non-exception' case */
1395 ir_node *projX = new_Proj (cond, mode_X, 0);
1396 new_immBlock (); /* also sets current_block */
1397 add_immBlock_pred (get_cur_block (), projX);
1398 mature_immBlock (get_cur_block ());
1399 /* continue building in current_block */
1404 static void create_abstract_firm(module_t *module, proc_t *proc, ir_entity *fent)
1410 /* test ir_entity */
1411 assert(visibility_external_allocated == get_entity_visibility(fent)
1412 && peculiarity_existent == get_entity_peculiarity(fent)
1413 && "not an abstract ir_entity");
1414 /* create irg in ir_entity */
1415 irg = new_pseudo_ir_graph(fent, 0);
1416 set_irg_inline_property(irg, irg_inline_forbidden);
1418 /* @@@ If the spec says so: */
1419 set_entity_visibility(fent, visibility_local);
1421 VERBOSE_PRINT((stdout, "create effects for %s\n",
1422 get_id_str(proc -> proc_ident)));
1424 /* create effects in irg */
1425 num = proc -> n_effs;
1426 for(i = 0; i < num; i++) {
1427 eff = proc -> effs[i];
1428 VERBOSE_PRINT((stdout,
1429 "create effect \"%s\"\n", effect_string[(int)eff -> kind]));
1430 switch(eff -> kind) {
1432 create_abstract_return(irg, proc, eff);
1435 create_abstract_arg(irg, proc, eff);
1438 create_abstract_load(irg, proc, eff);
1441 create_abstract_store(irg, proc, eff);
1444 create_abstract_unknown(irg, proc, eff);
1447 create_abstract_alloc(irg, proc, eff);
1450 create_abstract_call(irg, proc, eff);
1453 create_abstract_join(irg, proc, eff);
1456 create_abstract_raise(irg, proc, eff);
1459 assert(0 && "effect not implemented");
1464 /* close irg in ir_entity */
1465 /* Now we can mature the end block as all it's predecessors are known. */
1466 mature_immBlock (get_irg_end_block(irg));
1468 /* Verify the graph. Finds some very bad errors in the graph. */
1469 VERBOSE_PRINT((stdout, "verify graph\n"));
1471 VERBOSE_PRINT((stdout, "finalize construction\n"));
1472 irg_finalize_cons (irg);
1475 /********************************************************************/
1477 static void assign_firm_entity(module_t *module, entity_t *xmlent)
1484 VERBOSE_PRINT((stdout, "assign ir_entity %s to typeid %s\n",
1485 get_id_str(xmlent -> ent_ident),
1486 get_id_str(xmlent -> owner)));
1488 typ = find_type_in_module(module, xmlent -> owner);
1489 assert(typ && "class not found in module");
1491 assert(is_Class_type(type));
1493 num = get_class_n_members(type);
1495 for(i = 0; i < num; i++) {
1496 ent = get_class_member(type, i);
1497 VERBOSE_PRINT((stdout, "compare ir_entity %s and %s\n",
1498 get_id_str(xmlent -> ent_ident), get_entity_name(ent)));
1500 if(get_entity_ident(ent) == xmlent -> ent_ident) {
1505 assert(ent && "did not find a ir_entity");
1507 xmlent -> f_ent = ent;
1510 /********************************************************************/
1511 /* must be primitive type or class type */
1512 static void assign_firm_type(type_t *xmltype)
1515 ir_type *typ = NULL;
1518 VERBOSE_PRINT((stdout, "assign firm type to type %s\n",
1519 get_id_str(xmltype -> type_ident)));
1521 /* is it global type? */
1522 typ = get_glob_type();
1523 if(xmltype -> type_ident == get_type_ident(typ)) {
1525 xmltype -> f_tp = typ;
1526 VERBOSE_PRINT((stdout, "is global type %s\n", get_type_name(typ)));
1528 num = get_irp_n_types();
1529 for(i = 0; i < num; i++) {
1530 typ = get_irp_type(i);
1531 VERBOSE_PRINT((stdout, "test type %s\n", get_type_name(typ)));
1532 if(xmltype -> type_ident == get_type_ident(typ)) {
1533 VERBOSE_PRINT((stdout, "found type %s\n", get_type_name(typ)));
1534 xmltype -> f_tp = typ;
1540 assert(typ && "did not find a type");
1543 /********************************************************************/
1545 void create_abstract_proc_effect(module_t *module, proc_t *proc)
1548 ir_type *class_typ = NULL;
1552 /* find the class of a procedure */
1553 VERBOSE_PRINT((stdout, "do find owner id %s\n", get_id_str(proc -> ownerid)));
1554 type = find_type_in_module(module, proc -> ownerid);
1555 assert(type && "class not found in module");
1557 class_typ = get_glob_type();
1558 VERBOSE_PRINT((stdout, "test type %s\n", get_type_name(class_typ)));
1559 if(type -> type_ident != get_type_ident(class_typ)) {
1560 /* find module as class */
1561 num = get_irp_n_types();
1562 for(i = 0; i < num; i++) {
1563 class_typ = get_irp_type(i);
1564 VERBOSE_PRINT((stdout, "test type %s\n", get_type_name(class_typ)));
1565 if (is_Class_type(class_typ)
1566 && (type -> type_ident == get_type_ident(class_typ))) {
1567 /* found class type */
1568 VERBOSE_PRINT((stdout, "found type %s\n", get_type_name(class_typ)));
1575 VERBOSE_PRINT((stdout, "found global type %s\n", get_type_name(class_typ)));
1577 assert(class_typ && "type not found");
1578 assert(is_Class_type(class_typ) && "is not a class type");
1579 type -> f_tp = class_typ;
1581 /* find ir_entity for procedure in class */
1582 VERBOSE_PRINT((stdout, "find method %s\n",
1583 get_id_str(proc -> proc_ident)));
1585 num = get_class_n_members(class_typ);
1587 for(i = 0; i < num; i++) {
1588 fent = get_class_member(class_typ, i);
1589 VERBOSE_PRINT((stdout, "test proc %s\n", get_entity_name(fent)));
1590 if(proc -> proc_ident == get_entity_ident(fent)) {
1591 VERBOSE_PRINT((stdout, "found proc %s\n",
1592 get_id_str(proc -> proc_ident)));
1593 /* @@@ TODO check args types - not in xml yet */
1594 /* create Firm stuff */
1595 create_abstract_firm(module, proc, fent);
1605 "method %s not found\nNo effects generated\nCandidates are:\n",
1606 get_id_str(proc -> proc_ident));
1607 for(i = 0; i < num; i++) {
1608 fent = get_class_member(class_typ, i);
1609 fprintf(stderr, "%s\n", get_entity_name(fent));
1611 //assert(fent && "procedure not found in class");
1615 void create_abstract_module(module_t *module)
1621 VERBOSE_PRINT((stdout, "create an abstraction for module %s\n",
1622 get_id_str(module -> id)));
1624 VERBOSE_PRINT((stdout, "--handle types for module\n"));
1625 for(type = module -> types; type; type = type -> prev) {
1626 assign_firm_type(type);
1629 VERBOSE_PRINT((stdout, "--handle entities for module\n"));
1631 for(ent = module -> entities; ent; ent = ent -> prev) {
1632 assign_firm_entity(module, ent);
1635 VERBOSE_PRINT((stdout, "--handle procs for module\n"));
1636 for(proc = module -> procs; proc; proc = proc -> next) {
1637 create_abstract_proc_effect(module, proc);
1642 int create_abstraction(const char *filename)
1646 /* read and parse XML file */
1647 if (! read_extern(filename))
1650 /* finished reading and parsing here */
1651 /* build FIRM graphs */
1654 current_module = module;
1655 create_abstract_module(module);
1656 module = module -> next;
1658 current_module = NULL;
1660 /* free data structures */
1672 void free_abstraction(void) {
1673 int i, n_pseudo_irgs = get_irp_n_pseudo_irgs();
1674 for (i = 0; i < n_pseudo_irgs; ++i) {
1675 ir_graph *p_irg = get_irp_pseudo_irg(i);
1676 set_entity_visibility(get_irg_entity(p_irg), visibility_external_allocated);
1677 // @@@ free_pseudo_ir_graph(p_irg);
1682 /********************************************************************/
1687 * Revision 1.27 2007/02/02 12:38:35 matze
1688 * entity is ir_entity now
1690 * Revision 1.26 2006/12/15 12:37:40 matze
1693 * Revision 1.25 2006/06/09 11:26:35 firm
1694 * renamed type to ir_type
1696 * Revision 1.24 2006/05/29 13:34:49 beck
1697 * renamed symconst_size to symconst_type_size
1699 * Revision 1.22 2005/08/16 10:18:35 beck
1700 * create_abstraction() now returns an error code if the file could not
1703 * Revision 1.21 2005/03/10 10:05:38 goetz
1704 * chanmged method name
1706 * Revision 1.20 2005/01/05 14:28:35 beck
1707 * renames all is_x*_type() functions to is_X*_type() to prevent name clash with EDG frontend
1709 * Revision 1.19 2004/12/10 15:14:34 beck
1710 * used xmalloc instead of malloc
1712 * Revision 1.18 2004/12/02 16:21:42 beck
1713 * fixed config.h include
1715 * Revision 1.17 2004/11/23 14:17:31 liekweg
1716 * fenced out currently unneeded static functions
1718 * Revision 1.16 2004/11/11 12:24:52 goetz
1721 * Revision 1.15 2004/11/11 09:28:32 goetz
1722 * treat pseudo irgs special
1723 * parse 'local' from xml files
1725 * Revision 1.14 2004/11/10 14:42:00 boesler
1726 * be more helpful if a method does not exist
1728 * Revision 1.13 2004/11/05 14:00:53 liekweg
1731 * Revision 1.12 2004/11/02 14:30:31 liekweg
1732 * fixed multi-input join (thx, Boris) --flo
1734 * Revision 1.11 2004/10/29 18:51:53 liekweg
1737 * Revision 1.10 2004/10/25 13:52:24 boesler
1738 * seperated read.h (public interface) and read_t.h (types)
1740 * Revision 1.9 2004/10/22 13:51:35 boesler
1741 * prohibit inlining of pseudo ir_graphs
1743 * Revision 1.8 2004/10/22 13:13:27 boesler
1744 * replaced char* by idents, minor fix in Firm codegen for call
1746 * Revision 1.7 2004/10/21 15:31:55 boesler
1747 * added lots of stuff:
1748 * - build abstract syntax trees
1749 * - build Firm graphs for many effects, still todos
1751 * Revision 1.5 2004/10/18 12:48:20 liekweg
1754 * Revision 1.4 2004/10/14 11:31:53 liekweg
1757 * Revision 1.3 2004/10/13 13:36:28 rubino
1760 * Revision 1.2 2004/10/11 15:56:09 liekweg
1761 * Cleanup, comments ...
1762 * Added init func --flo
1764 * Revision 1.1 2004/10/11 09:31:06 liekweg
1765 * First Import of XML reading procs --flo