2 * Copyright 2011 Jacek Caban for CodeWeavers
4 * This library is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Lesser General Public
6 * License as published by the Free Software Foundation; either
7 * version 2.1 of the License, or (at your option) any later version.
9 * This library is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Lesser General Public License for more details.
14 * You should have received a copy of the GNU Lesser General Public
15 * License along with this library; if not, write to the Free Software
16 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
23 #include "wine/debug.h"
25 WINE_DEFAULT_DEBUG_CHANNEL(vbscript);
27 static DISPID propput_dispid = DISPID_PROPERTYPUT;
39 dynamic_var_t *dynamic_vars;
51 typedef HRESULT (*instr_func_t)(exec_ctx_t*);
81 static BOOL lookup_dynamic_vars(dynamic_var_t *var, const WCHAR *name, ref_t *ref)
84 if(!strcmpiW(var->name, name)) {
85 ref->type = var->is_const ? REF_CONST : REF_VAR;
96 static HRESULT lookup_identifier(exec_ctx_t *ctx, BSTR name, vbdisp_invoke_type_t invoke_type, ref_t *ref)
104 static const WCHAR errW[] = {'e','r','r',0};
106 if(invoke_type == VBDISP_LET
107 && (ctx->func->type == FUNC_FUNCTION || ctx->func->type == FUNC_PROPGET || ctx->func->type == FUNC_DEFGET)
108 && !strcmpiW(name, ctx->func->name)) {
110 ref->u.v = &ctx->ret_val;
114 for(i=0; i < ctx->func->var_cnt; i++) {
115 if(!strcmpiW(ctx->func->vars[i].name, name)) {
117 ref->u.v = ctx->vars+i;
122 for(i=0; i < ctx->func->arg_cnt; i++) {
123 if(!strcmpiW(ctx->func->args[i].name, name)) {
125 ref->u.v = ctx->args+i;
130 if(lookup_dynamic_vars(ctx->func->type == FUNC_GLOBAL ? ctx->script->global_vars : ctx->dynamic_vars, name, ref))
133 if(ctx->func->type != FUNC_GLOBAL) {
134 hres = disp_get_id(ctx->this_obj, name, invoke_type, TRUE, &id);
135 if(SUCCEEDED(hres)) {
136 ref->type = REF_DISP;
137 ref->u.d.disp = ctx->this_obj;
143 if(ctx->func->type != FUNC_GLOBAL && lookup_dynamic_vars(ctx->script->global_vars, name, ref))
146 for(func = ctx->script->global_funcs; func; func = func->next) {
147 if(!strcmpiW(func->name, name)) {
148 ref->type = REF_FUNC;
154 if(!strcmpiW(name, errW)) {
156 ref->u.obj = (IDispatch*)&ctx->script->err_obj->IDispatchEx_iface;
160 hres = vbdisp_get_id(ctx->script->global_obj, name, invoke_type, TRUE, &id);
161 if(SUCCEEDED(hres)) {
162 ref->type = REF_DISP;
163 ref->u.d.disp = (IDispatch*)&ctx->script->global_obj->IDispatchEx_iface;
168 LIST_FOR_EACH_ENTRY(item, &ctx->script->named_items, named_item_t, entry) {
169 if((item->flags & SCRIPTITEM_ISVISIBLE) && !strcmpiW(item->name, name)) {
173 hres = IActiveScriptSite_GetItemInfo(ctx->script->site, name, SCRIPTINFO_IUNKNOWN, &unk, NULL);
175 WARN("GetItemInfo failed: %08x\n", hres);
179 hres = IUnknown_QueryInterface(unk, &IID_IDispatch, (void**)&item->disp);
180 IUnknown_Release(unk);
182 WARN("object does not implement IDispatch\n");
188 ref->u.obj = item->disp;
193 LIST_FOR_EACH_ENTRY(item, &ctx->script->named_items, named_item_t, entry) {
194 if((item->flags & SCRIPTITEM_GLOBALMEMBERS)) {
195 hres = disp_get_id(item->disp, name, invoke_type, FALSE, &id);
196 if(SUCCEEDED(hres)) {
197 ref->type = REF_DISP;
198 ref->u.d.disp = item->disp;
205 ref->type = REF_NONE;
209 static HRESULT add_dynamic_var(exec_ctx_t *ctx, const WCHAR *name, BOOL is_const, VARIANT *val, BOOL own_val)
211 dynamic_var_t *new_var;
217 heap = ctx->func->type == FUNC_GLOBAL ? &ctx->script->heap : &ctx->heap;
219 new_var = vbsheap_alloc(heap, sizeof(*new_var));
221 return E_OUTOFMEMORY;
223 size = (strlenW(name)+1)*sizeof(WCHAR);
224 str = vbsheap_alloc(heap, size);
226 return E_OUTOFMEMORY;
227 memcpy(str, name, size);
229 new_var->is_const = is_const;
234 V_VT(&new_var->v) = VT_EMPTY;
235 hres = VariantCopy(&new_var->v, val);
240 if(ctx->func->type == FUNC_GLOBAL) {
241 new_var->next = ctx->script->global_vars;
242 ctx->script->global_vars = new_var;
244 new_var->next = ctx->dynamic_vars;
245 ctx->dynamic_vars = new_var;
251 static inline VARIANT *stack_pop(exec_ctx_t *ctx)
254 return ctx->stack + --ctx->top;
257 static inline VARIANT *stack_top(exec_ctx_t *ctx, unsigned n)
259 assert(ctx->top >= n);
260 return ctx->stack + (ctx->top-n-1);
263 static HRESULT stack_push(exec_ctx_t *ctx, VARIANT *v)
265 if(ctx->stack_size == ctx->top) {
268 new_stack = heap_realloc(ctx->stack, ctx->stack_size*2*sizeof(*ctx->stack));
271 return E_OUTOFMEMORY;
274 ctx->stack = new_stack;
275 ctx->stack_size *= 2;
278 ctx->stack[ctx->top++] = *v;
282 static inline HRESULT stack_push_null(exec_ctx_t *ctx)
286 return stack_push(ctx, &v);
289 static void stack_popn(exec_ctx_t *ctx, unsigned n)
292 VariantClear(stack_pop(ctx));
295 static HRESULT stack_pop_val(exec_ctx_t *ctx, variant_val_t *v)
299 var = stack_pop(ctx);
301 if(V_VT(var) == (VT_BYREF|VT_VARIANT)) {
303 var = V_VARIANTREF(var);
308 if(V_VT(var) == VT_DISPATCH) {
312 hres = disp_call(ctx->script, V_DISPATCH(var), DISPID_VALUE, &dp, &v->store);
314 IDispatch_Release(V_DISPATCH(var));
327 static HRESULT stack_assume_val(exec_ctx_t *ctx, unsigned n)
329 VARIANT *v = stack_top(ctx, n);
332 if(V_VT(v) == (VT_BYREF|VT_VARIANT)) {
333 VARIANT *ref = V_VARIANTREF(v);
336 hres = VariantCopy(v, ref);
341 if(V_VT(v) == VT_DISPATCH) {
345 disp = V_DISPATCH(v);
347 hres = disp_call(ctx->script, disp, DISPID_VALUE, &dp, v);
348 IDispatch_Release(disp);
356 static inline void release_val(variant_val_t *v)
362 static int stack_pop_bool(exec_ctx_t *ctx, BOOL *b)
367 hres = stack_pop_val(ctx, &val);
386 FIXME("unsupported for %s\n", debugstr_variant(val.v));
393 static HRESULT stack_pop_disp(exec_ctx_t *ctx, IDispatch **ret)
395 VARIANT *v = stack_pop(ctx);
397 if(V_VT(v) == VT_DISPATCH) {
398 *ret = V_DISPATCH(v);
402 if(V_VT(v) != (VT_VARIANT|VT_BYREF)) {
403 FIXME("not supported type: %s\n", debugstr_variant(v));
409 if(V_VT(v) != VT_DISPATCH) {
410 FIXME("not disp %s\n", debugstr_variant(v));
415 IDispatch_AddRef(V_DISPATCH(v));
416 *ret = V_DISPATCH(v);
420 static HRESULT stack_assume_disp(exec_ctx_t *ctx, unsigned n, IDispatch **disp)
422 VARIANT *v = stack_top(ctx, n), *ref;
424 if(V_VT(v) != VT_DISPATCH) {
425 if(V_VT(v) != (VT_VARIANT|VT_BYREF)) {
426 FIXME("not supported type: %s\n", debugstr_variant(v));
430 ref = V_VARIANTREF(v);
431 if(V_VT(ref) != VT_DISPATCH) {
432 FIXME("not disp %s\n", debugstr_variant(ref));
436 V_VT(v) = VT_DISPATCH;
437 V_DISPATCH(v) = V_DISPATCH(ref);
439 IDispatch_AddRef(V_DISPATCH(v));
443 *disp = V_DISPATCH(v);
447 static inline void instr_jmp(exec_ctx_t *ctx, unsigned addr)
449 ctx->instr = ctx->code->instrs + addr;
452 static void vbstack_to_dp(exec_ctx_t *ctx, unsigned arg_cnt, BOOL is_propput, DISPPARAMS *dp)
454 dp->cNamedArgs = is_propput ? 1 : 0;
455 dp->cArgs = arg_cnt + dp->cNamedArgs;
456 dp->rgdispidNamedArgs = is_propput ? &propput_dispid : NULL;
462 assert(ctx->top >= arg_cnt);
464 for(i=1; i*2 <= arg_cnt; i++) {
465 tmp = ctx->stack[ctx->top-i];
466 ctx->stack[ctx->top-i] = ctx->stack[ctx->top-arg_cnt+i-1];
467 ctx->stack[ctx->top-arg_cnt+i-1] = tmp;
470 dp->rgvarg = ctx->stack + ctx->top-dp->cArgs;
472 dp->rgvarg = is_propput ? ctx->stack+ctx->top-1 : NULL;
476 static HRESULT do_icall(exec_ctx_t *ctx, VARIANT *res)
478 BSTR identifier = ctx->instr->arg1.bstr;
479 const unsigned arg_cnt = ctx->instr->arg2.uint;
484 hres = lookup_identifier(ctx, identifier, VBDISP_CALLGET, &ref);
488 vbstack_to_dp(ctx, arg_cnt, FALSE, &dp);
494 FIXME("REF_VAR no res\n");
499 FIXME("arguments not implemented\n");
503 V_VT(res) = VT_BYREF|VT_VARIANT;
504 V_BYREF(res) = V_VT(ref.u.v) == (VT_VARIANT|VT_BYREF) ? V_VARIANTREF(ref.u.v) : ref.u.v;
507 hres = disp_call(ctx->script, ref.u.d.disp, ref.u.d.id, &dp, res);
512 hres = exec_script(ctx->script, ref.u.f, NULL, &dp, res);
518 FIXME("arguments on object\n");
523 IDispatch_AddRef(ref.u.obj);
524 V_VT(res) = VT_DISPATCH;
525 V_DISPATCH(res) = ref.u.obj;
529 FIXME("%s not found\n", debugstr_w(identifier));
530 return DISP_E_UNKNOWNNAME;
533 stack_popn(ctx, arg_cnt);
537 static HRESULT interp_icall(exec_ctx_t *ctx)
544 hres = do_icall(ctx, &v);
548 return stack_push(ctx, &v);
551 static HRESULT interp_icallv(exec_ctx_t *ctx)
554 return do_icall(ctx, NULL);
557 static HRESULT do_mcall(exec_ctx_t *ctx, VARIANT *res)
559 const BSTR identifier = ctx->instr->arg1.bstr;
560 const unsigned arg_cnt = ctx->instr->arg2.uint;
566 hres = stack_pop_disp(ctx, &obj);
575 vbstack_to_dp(ctx, arg_cnt, FALSE, &dp);
577 hres = disp_get_id(obj, identifier, VBDISP_CALLGET, FALSE, &id);
579 hres = disp_call(ctx->script, obj, id, &dp, res);
580 IDispatch_Release(obj);
584 stack_popn(ctx, arg_cnt);
588 static HRESULT interp_mcall(exec_ctx_t *ctx)
595 hres = do_mcall(ctx, &res);
599 return stack_push(ctx, &res);
602 static HRESULT interp_mcallv(exec_ctx_t *ctx)
606 return do_mcall(ctx, NULL);
609 static HRESULT assign_ident(exec_ctx_t *ctx, BSTR name, DISPPARAMS *dp)
614 hres = lookup_identifier(ctx, name, VBDISP_LET, &ref);
620 VARIANT *v = ref.u.v;
623 FIXME("arg_cnt %d not supported\n", arg_cnt(dp));
627 if(V_VT(v) == (VT_VARIANT|VT_BYREF))
630 hres = VariantCopy(v, dp->rgvarg);
634 hres = disp_propput(ctx->script, ref.u.d.disp, ref.u.d.id, dp);
637 FIXME("functions not implemented\n");
643 FIXME("REF_CONST\n");
646 if(ctx->func->code_ctx->option_explicit) {
647 FIXME("throw exception\n");
651 FIXME("arg_cnt %d not supported\n", arg_cnt(dp));
655 TRACE("creating variable %s\n", debugstr_w(name));
656 hres = add_dynamic_var(ctx, name, FALSE, dp->rgvarg, FALSE);
663 static HRESULT interp_assign_ident(exec_ctx_t *ctx)
665 const BSTR arg = ctx->instr->arg1.bstr;
666 const unsigned arg_cnt = ctx->instr->arg2.uint;
670 TRACE("%s\n", debugstr_w(arg));
672 hres = stack_assume_val(ctx, arg_cnt);
676 vbstack_to_dp(ctx, arg_cnt, TRUE, &dp);
677 hres = assign_ident(ctx, arg, &dp);
681 stack_popn(ctx, arg_cnt+1);
685 static HRESULT interp_set_ident(exec_ctx_t *ctx)
687 const BSTR arg = ctx->instr->arg1.bstr;
688 const unsigned arg_cnt = ctx->instr->arg2.uint;
692 TRACE("%s\n", debugstr_w(arg));
695 FIXME("arguments not supported\n");
699 hres = stack_assume_disp(ctx, 0, NULL);
703 vbstack_to_dp(ctx, 0, TRUE, &dp);
704 hres = assign_ident(ctx, ctx->instr->arg1.bstr, &dp);
712 static HRESULT interp_assign_member(exec_ctx_t *ctx)
714 BSTR identifier = ctx->instr->arg1.bstr;
715 const unsigned arg_cnt = ctx->instr->arg2.uint;
721 TRACE("%s\n", debugstr_w(identifier));
723 hres = stack_assume_disp(ctx, arg_cnt+1, &obj);
732 hres = stack_assume_val(ctx, arg_cnt);
736 hres = disp_get_id(obj, identifier, VBDISP_LET, FALSE, &id);
737 if(SUCCEEDED(hres)) {
738 vbstack_to_dp(ctx, arg_cnt, TRUE, &dp);
739 hres = disp_propput(ctx->script, obj, id, &dp);
744 stack_popn(ctx, arg_cnt+2);
748 static HRESULT interp_set_member(exec_ctx_t *ctx)
750 BSTR identifier = ctx->instr->arg1.bstr;
751 const unsigned arg_cnt = ctx->instr->arg2.uint;
757 TRACE("%s\n", debugstr_w(identifier));
760 FIXME("arguments not supported\n");
764 hres = stack_assume_disp(ctx, 1, &obj);
773 hres = stack_assume_disp(ctx, 0, NULL);
777 hres = disp_get_id(obj, identifier, VBDISP_SET, FALSE, &id);
778 if(SUCCEEDED(hres)) {
779 vbstack_to_dp(ctx, arg_cnt, TRUE, &dp);
780 hres = disp_propput(ctx->script, obj, id, &dp);
789 static HRESULT interp_const(exec_ctx_t *ctx)
791 BSTR arg = ctx->instr->arg1.bstr;
796 TRACE("%s\n", debugstr_w(arg));
798 assert(ctx->func->type == FUNC_GLOBAL);
800 hres = lookup_identifier(ctx, arg, VBDISP_CALLGET, &ref);
804 if(ref.type != REF_NONE) {
805 FIXME("%s already defined\n", debugstr_w(arg));
809 hres = stack_pop_val(ctx, &val);
813 return add_dynamic_var(ctx, arg, TRUE, val.v, val.owned);
816 static HRESULT interp_val(exec_ctx_t *ctx)
824 hres = stack_pop_val(ctx, &val);
830 hres = VariantCopy(&v, val.v);
835 return stack_push(ctx, val.owned ? val.v : &v);
838 static HRESULT interp_pop(exec_ctx_t *ctx)
840 const unsigned n = ctx->instr->arg1.uint;
848 static HRESULT interp_new(exec_ctx_t *ctx)
850 const WCHAR *arg = ctx->instr->arg1.bstr;
851 class_desc_t *class_desc;
856 TRACE("%s\n", debugstr_w(arg));
858 for(class_desc = ctx->script->classes; class_desc; class_desc = class_desc->next) {
859 if(!strcmpiW(class_desc->name, arg))
863 FIXME("Class %s not found\n", debugstr_w(arg));
867 hres = create_vbdisp(class_desc, &obj);
871 V_VT(&v) = VT_DISPATCH;
872 V_DISPATCH(&v) = (IDispatch*)&obj->IDispatchEx_iface;
873 return stack_push(ctx, &v);
876 static HRESULT interp_step(exec_ctx_t *ctx)
878 const BSTR ident = ctx->instr->arg2.bstr;
884 TRACE("%s\n", debugstr_w(ident));
888 hres = VarCmp(stack_top(ctx, 0), &zero, ctx->script->lcid, 0);
892 gteq_zero = hres == VARCMP_GT || hres == VARCMP_EQ;
894 hres = lookup_identifier(ctx, ident, VBDISP_ANY, &ref);
898 if(ref.type != REF_VAR) {
899 FIXME("%s is not REF_VAR\n", debugstr_w(ident));
903 hres = VarCmp(ref.u.v, stack_top(ctx, 1), ctx->script->lcid, 0);
907 if(hres == VARCMP_EQ || hres == (gteq_zero ? VARCMP_LT : VARCMP_GT)) {
911 instr_jmp(ctx, ctx->instr->arg1.uint);
916 static HRESULT interp_newenum(exec_ctx_t *ctx)
930 hres = disp_call(ctx->script, V_DISPATCH(v), DISPID_NEWENUM, &dp, &iterv);
935 if(V_VT(&iterv) != VT_UNKNOWN && V_VT(&iterv) != VT_DISPATCH) {
936 FIXME("Unsupported iterv %s\n", debugstr_variant(&iterv));
937 VariantClear(&iterv);
941 hres = IUnknown_QueryInterface(V_UNKNOWN(&iterv), &IID_IEnumVARIANT, (void**)&iter);
942 IUnknown_Release(V_UNKNOWN(&iterv));
944 FIXME("Could not get IEnumVARIANT iface: %08x\n", hres);
948 V_VT(&r) = VT_UNKNOWN;
949 V_UNKNOWN(&r) = (IUnknown*)iter;
953 FIXME("Unsupported for %s\n", debugstr_variant(v));
958 return stack_push(ctx, &r);
961 static HRESULT interp_enumnext(exec_ctx_t *ctx)
963 const unsigned loop_end = ctx->instr->arg1.uint;
964 const BSTR ident = ctx->instr->arg2.bstr;
966 DISPPARAMS dp = {&v, &propput_dispid, 1, 1};
973 assert(V_VT(stack_top(ctx, 0)) == VT_UNKNOWN);
974 iter = (IEnumVARIANT*)V_UNKNOWN(stack_top(ctx, 0));
977 hres = IEnumVARIANT_Next(iter, 1, &v, NULL);
981 do_continue = hres == S_OK;
982 hres = assign_ident(ctx, ident, &dp);
991 instr_jmp(ctx, loop_end);
996 static HRESULT interp_jmp(exec_ctx_t *ctx)
998 const unsigned arg = ctx->instr->arg1.uint;
1002 instr_jmp(ctx, arg);
1006 static HRESULT interp_jmp_false(exec_ctx_t *ctx)
1008 const unsigned arg = ctx->instr->arg1.uint;
1014 hres = stack_pop_bool(ctx, &b);
1021 instr_jmp(ctx, ctx->instr->arg1.uint);
1025 static HRESULT interp_jmp_true(exec_ctx_t *ctx)
1027 const unsigned arg = ctx->instr->arg1.uint;
1033 hres = stack_pop_bool(ctx, &b);
1038 instr_jmp(ctx, ctx->instr->arg1.uint);
1044 static HRESULT interp_ret(exec_ctx_t *ctx)
1052 static HRESULT interp_stop(exec_ctx_t *ctx)
1056 /* NOTE: this should have effect in debugging mode (that we don't support yet) */
1060 static HRESULT interp_me(exec_ctx_t *ctx)
1066 IDispatch_AddRef(ctx->this_obj);
1067 V_VT(&v) = VT_DISPATCH;
1068 V_DISPATCH(&v) = ctx->this_obj;
1069 return stack_push(ctx, &v);
1072 static HRESULT interp_bool(exec_ctx_t *ctx)
1074 const VARIANT_BOOL arg = ctx->instr->arg1.lng;
1077 TRACE("%s\n", arg ? "true" : "false");
1081 return stack_push(ctx, &v);
1084 static HRESULT interp_errmode(exec_ctx_t *ctx)
1086 const int err_mode = ctx->instr->arg1.uint;
1088 TRACE("%d\n", err_mode);
1090 ctx->resume_next = err_mode;
1094 static HRESULT interp_string(exec_ctx_t *ctx)
1101 V_BSTR(&v) = SysAllocString(ctx->instr->arg1.str);
1103 return E_OUTOFMEMORY;
1105 return stack_push(ctx, &v);
1108 static HRESULT interp_long(exec_ctx_t *ctx)
1110 const LONG arg = ctx->instr->arg1.lng;
1117 return stack_push(ctx, &v);
1120 static HRESULT interp_short(exec_ctx_t *ctx)
1122 const LONG arg = ctx->instr->arg1.lng;
1129 return stack_push(ctx, &v);
1132 static HRESULT interp_double(exec_ctx_t *ctx)
1134 const DOUBLE *arg = ctx->instr->arg1.dbl;
1137 TRACE("%lf\n", *arg);
1141 return stack_push(ctx, &v);
1144 static HRESULT interp_empty(exec_ctx_t *ctx)
1150 V_VT(&v) = VT_EMPTY;
1151 return stack_push(ctx, &v);
1154 static HRESULT interp_null(exec_ctx_t *ctx)
1157 return stack_push_null(ctx);
1160 static HRESULT interp_nothing(exec_ctx_t *ctx)
1166 V_VT(&v) = VT_DISPATCH;
1167 V_DISPATCH(&v) = NULL;
1168 return stack_push(ctx, &v);
1171 static HRESULT interp_not(exec_ctx_t *ctx)
1179 hres = stack_pop_val(ctx, &val);
1183 hres = VarNot(val.v, &v);
1188 return stack_push(ctx, &v);
1191 static HRESULT interp_and(exec_ctx_t *ctx)
1199 hres = stack_pop_val(ctx, &r);
1203 hres = stack_pop_val(ctx, &l);
1204 if(SUCCEEDED(hres)) {
1205 hres = VarAnd(l.v, r.v, &v);
1212 return stack_push(ctx, &v);
1215 static HRESULT interp_or(exec_ctx_t *ctx)
1223 hres = stack_pop_val(ctx, &r);
1227 hres = stack_pop_val(ctx, &l);
1228 if(SUCCEEDED(hres)) {
1229 hres = VarOr(l.v, r.v, &v);
1236 return stack_push(ctx, &v);
1239 static HRESULT interp_xor(exec_ctx_t *ctx)
1247 hres = stack_pop_val(ctx, &r);
1251 hres = stack_pop_val(ctx, &l);
1252 if(SUCCEEDED(hres)) {
1253 hres = VarXor(l.v, r.v, &v);
1260 return stack_push(ctx, &v);
1263 static HRESULT interp_eqv(exec_ctx_t *ctx)
1271 hres = stack_pop_val(ctx, &r);
1275 hres = stack_pop_val(ctx, &l);
1276 if(SUCCEEDED(hres)) {
1277 hres = VarEqv(l.v, r.v, &v);
1284 return stack_push(ctx, &v);
1287 static HRESULT interp_imp(exec_ctx_t *ctx)
1295 hres = stack_pop_val(ctx, &r);
1299 hres = stack_pop_val(ctx, &l);
1300 if(SUCCEEDED(hres)) {
1301 hres = VarImp(l.v, r.v, &v);
1308 return stack_push(ctx, &v);
1311 static HRESULT var_cmp(exec_ctx_t *ctx, VARIANT *l, VARIANT *r)
1313 TRACE("%s %s\n", debugstr_variant(l), debugstr_variant(r));
1315 /* FIXME: Fix comparing string to number */
1317 return VarCmp(l, r, ctx->script->lcid, 0);
1320 static HRESULT cmp_oper(exec_ctx_t *ctx)
1325 hres = stack_pop_val(ctx, &r);
1329 hres = stack_pop_val(ctx, &l);
1330 if(SUCCEEDED(hres)) {
1331 hres = var_cmp(ctx, l.v, r.v);
1339 static HRESULT interp_equal(exec_ctx_t *ctx)
1346 hres = cmp_oper(ctx);
1349 if(hres == VARCMP_NULL)
1350 return stack_push_null(ctx);
1353 V_BOOL(&v) = hres == VARCMP_EQ ? VARIANT_TRUE : VARIANT_FALSE;
1354 return stack_push(ctx, &v);
1357 static HRESULT interp_nequal(exec_ctx_t *ctx)
1364 hres = cmp_oper(ctx);
1367 if(hres == VARCMP_NULL)
1368 return stack_push_null(ctx);
1371 V_BOOL(&v) = hres != VARCMP_EQ ? VARIANT_TRUE : VARIANT_FALSE;
1372 return stack_push(ctx, &v);
1375 static HRESULT interp_gt(exec_ctx_t *ctx)
1382 hres = cmp_oper(ctx);
1385 if(hres == VARCMP_NULL)
1386 return stack_push_null(ctx);
1389 V_BOOL(&v) = hres == VARCMP_GT ? VARIANT_TRUE : VARIANT_FALSE;
1390 return stack_push(ctx, &v);
1393 static HRESULT interp_gteq(exec_ctx_t *ctx)
1400 hres = cmp_oper(ctx);
1403 if(hres == VARCMP_NULL)
1404 return stack_push_null(ctx);
1407 V_BOOL(&v) = hres == VARCMP_GT || hres == VARCMP_EQ ? VARIANT_TRUE : VARIANT_FALSE;
1408 return stack_push(ctx, &v);
1411 static HRESULT interp_lt(exec_ctx_t *ctx)
1418 hres = cmp_oper(ctx);
1421 if(hres == VARCMP_NULL)
1422 return stack_push_null(ctx);
1425 V_BOOL(&v) = hres == VARCMP_LT ? VARIANT_TRUE : VARIANT_FALSE;
1426 return stack_push(ctx, &v);
1429 static HRESULT interp_lteq(exec_ctx_t *ctx)
1436 hres = cmp_oper(ctx);
1439 if(hres == VARCMP_NULL)
1440 return stack_push_null(ctx);
1443 V_BOOL(&v) = hres == VARCMP_LT || hres == VARCMP_EQ ? VARIANT_TRUE : VARIANT_FALSE;
1444 return stack_push(ctx, &v);
1447 static HRESULT interp_case(exec_ctx_t *ctx)
1449 const unsigned arg = ctx->instr->arg1.uint;
1455 hres = stack_pop_val(ctx, &v);
1459 hres = var_cmp(ctx, stack_top(ctx, 0), v.v);
1464 if(hres == VARCMP_EQ) {
1466 instr_jmp(ctx, arg);
1474 static HRESULT disp_cmp(IDispatch *disp1, IDispatch *disp2, VARIANT_BOOL *ret)
1476 IObjectIdentity *identity;
1477 IUnknown *unk1, *unk2;
1480 if(disp1 == disp2) {
1481 *ret = VARIANT_TRUE;
1485 if(!disp1 || !disp2) {
1486 *ret = VARIANT_FALSE;
1490 hres = IDispatch_QueryInterface(disp1, &IID_IUnknown, (void**)&unk1);
1494 hres = IDispatch_QueryInterface(disp2, &IID_IUnknown, (void**)&unk2);
1496 IUnknown_Release(unk1);
1501 *ret = VARIANT_TRUE;
1503 hres = IUnknown_QueryInterface(unk1, &IID_IObjectIdentity, (void**)&identity);
1504 if(SUCCEEDED(hres)) {
1505 hres = IObjectIdentity_IsEqualObject(identity, unk2);
1506 IObjectIdentity_Release(identity);
1507 *ret = hres == S_OK ? VARIANT_TRUE : VARIANT_FALSE;
1509 *ret = VARIANT_FALSE;
1513 IUnknown_Release(unk1);
1514 IUnknown_Release(unk2);
1518 static HRESULT interp_is(exec_ctx_t *ctx)
1526 hres = stack_pop_disp(ctx, &r);
1530 hres = stack_pop_disp(ctx, &l);
1531 if(SUCCEEDED(hres)) {
1533 hres = disp_cmp(l, r, &V_BOOL(&v));
1535 IDispatch_Release(l);
1538 IDispatch_Release(r);
1542 return stack_push(ctx, &v);
1545 static HRESULT interp_concat(exec_ctx_t *ctx)
1553 hres = stack_pop_val(ctx, &r);
1557 hres = stack_pop_val(ctx, &l);
1558 if(SUCCEEDED(hres)) {
1559 hres = VarCat(l.v, r.v, &v);
1566 return stack_push(ctx, &v);
1569 static HRESULT interp_add(exec_ctx_t *ctx)
1577 hres = stack_pop_val(ctx, &r);
1581 hres = stack_pop_val(ctx, &l);
1582 if(SUCCEEDED(hres)) {
1583 hres = VarAdd(l.v, r.v, &v);
1590 return stack_push(ctx, &v);
1593 static HRESULT interp_sub(exec_ctx_t *ctx)
1601 hres = stack_pop_val(ctx, &r);
1605 hres = stack_pop_val(ctx, &l);
1606 if(SUCCEEDED(hres)) {
1607 hres = VarSub(l.v, r.v, &v);
1614 return stack_push(ctx, &v);
1617 static HRESULT interp_mod(exec_ctx_t *ctx)
1625 hres = stack_pop_val(ctx, &r);
1629 hres = stack_pop_val(ctx, &l);
1630 if(SUCCEEDED(hres)) {
1631 hres = VarMod(l.v, r.v, &v);
1638 return stack_push(ctx, &v);
1641 static HRESULT interp_idiv(exec_ctx_t *ctx)
1649 hres = stack_pop_val(ctx, &r);
1653 hres = stack_pop_val(ctx, &l);
1654 if(SUCCEEDED(hres)) {
1655 hres = VarIdiv(l.v, r.v, &v);
1662 return stack_push(ctx, &v);
1665 static HRESULT interp_div(exec_ctx_t *ctx)
1673 hres = stack_pop_val(ctx, &r);
1677 hres = stack_pop_val(ctx, &l);
1678 if(SUCCEEDED(hres)) {
1679 hres = VarDiv(l.v, r.v, &v);
1686 return stack_push(ctx, &v);
1689 static HRESULT interp_mul(exec_ctx_t *ctx)
1697 hres = stack_pop_val(ctx, &r);
1701 hres = stack_pop_val(ctx, &l);
1702 if(SUCCEEDED(hres)) {
1703 hres = VarMul(l.v, r.v, &v);
1710 return stack_push(ctx, &v);
1713 static HRESULT interp_exp(exec_ctx_t *ctx)
1721 hres = stack_pop_val(ctx, &r);
1725 hres = stack_pop_val(ctx, &l);
1726 if(SUCCEEDED(hres)) {
1727 hres = VarPow(l.v, r.v, &v);
1734 return stack_push(ctx, &v);
1737 static HRESULT interp_neg(exec_ctx_t *ctx)
1743 hres = stack_pop_val(ctx, &val);
1747 hres = VarNeg(val.v, &v);
1752 return stack_push(ctx, &v);
1755 static HRESULT interp_incc(exec_ctx_t *ctx)
1757 const BSTR ident = ctx->instr->arg1.bstr;
1764 hres = lookup_identifier(ctx, ident, VBDISP_LET, &ref);
1768 if(ref.type != REF_VAR) {
1769 FIXME("ref.type is not REF_VAR\n");
1773 hres = VarAdd(stack_top(ctx, 0), ref.u.v, &v);
1777 VariantClear(ref.u.v);
1782 static const instr_func_t op_funcs[] = {
1783 #define X(x,n,a,b) interp_ ## x,
1788 static const unsigned op_move[] = {
1789 #define X(x,n,a,b) n,
1794 void release_dynamic_vars(dynamic_var_t *var)
1797 VariantClear(&var->v);
1802 static void release_exec(exec_ctx_t *ctx)
1806 VariantClear(&ctx->ret_val);
1807 release_dynamic_vars(ctx->dynamic_vars);
1810 IDispatch_Release(ctx->this_obj);
1813 for(i=0; i < ctx->func->arg_cnt; i++)
1814 VariantClear(ctx->args+i);
1818 for(i=0; i < ctx->func->var_cnt; i++)
1819 VariantClear(ctx->vars+i);
1822 vbsheap_free(&ctx->heap);
1823 heap_free(ctx->args);
1824 heap_free(ctx->vars);
1825 heap_free(ctx->stack);
1828 HRESULT exec_script(script_ctx_t *ctx, function_t *func, IDispatch *this_obj, DISPPARAMS *dp, VARIANT *res)
1830 exec_ctx_t exec = {func->code_ctx};
1832 HRESULT hres = S_OK;
1834 exec.code = func->code_ctx;
1836 if(dp ? func->arg_cnt != arg_cnt(dp) : func->arg_cnt) {
1837 FIXME("wrong arg_cnt %d, expected %d\n", dp ? arg_cnt(dp) : 0, func->arg_cnt);
1841 vbsheap_init(&exec.heap);
1847 exec.args = heap_alloc_zero(func->arg_cnt * sizeof(VARIANT));
1849 release_exec(&exec);
1850 return E_OUTOFMEMORY;
1853 for(i=0; i < func->arg_cnt; i++) {
1855 if(V_VT(v) == (VT_VARIANT|VT_BYREF)) {
1856 if(func->args[i].by_ref)
1859 hres = VariantCopy(exec.args+i, V_VARIANTREF(v));
1861 hres = VariantCopy(exec.args+i, v);
1864 release_exec(&exec);
1873 exec.vars = heap_alloc_zero(func->var_cnt * sizeof(VARIANT));
1875 release_exec(&exec);
1876 return E_OUTOFMEMORY;
1882 exec.stack_size = 16;
1884 exec.stack = heap_alloc(exec.stack_size * sizeof(VARIANT));
1886 release_exec(&exec);
1887 return E_OUTOFMEMORY;
1891 exec.this_obj = this_obj;
1892 else if (ctx->host_global)
1893 exec.this_obj = ctx->host_global;
1895 exec.this_obj = (IDispatch*)&ctx->script_obj->IDispatchEx_iface;
1896 IDispatch_AddRef(exec.this_obj);
1898 exec.instr = exec.code->instrs + func->code_off;
1903 op = exec.instr->op;
1904 hres = op_funcs[op](&exec);
1906 if(exec.resume_next)
1907 FIXME("Failed %08x in resume next mode\n", hres);
1909 WARN("Failed %08x\n", hres);
1910 stack_popn(&exec, exec.top);
1914 exec.instr += op_move[op];
1918 if(func->type != FUNC_FUNCTION && func->type != FUNC_PROPGET && func->type != FUNC_DEFGET)
1919 assert(V_VT(&exec.ret_val) == VT_EMPTY);
1921 if(SUCCEEDED(hres) && res) {
1922 *res = exec.ret_val;
1923 V_VT(&exec.ret_val) = VT_EMPTY;
1926 release_exec(&exec);