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);
37 dynamic_var_t *dynamic_vars;
49 typedef HRESULT (*instr_func_t)(exec_ctx_t*);
79 static BOOL lookup_dynamic_vars(dynamic_var_t *var, const WCHAR *name, ref_t *ref)
82 if(!strcmpiW(var->name, name)) {
83 ref->type = var->is_const ? REF_CONST : REF_VAR;
94 static HRESULT lookup_identifier(exec_ctx_t *ctx, BSTR name, vbdisp_invoke_type_t invoke_type, ref_t *ref)
102 static const WCHAR errW[] = {'e','r','r',0};
104 if(invoke_type == VBDISP_LET
105 && (ctx->func->type == FUNC_FUNCTION || ctx->func->type == FUNC_PROPGET || ctx->func->type == FUNC_DEFGET)
106 && !strcmpiW(name, ctx->func->name)) {
108 ref->u.v = &ctx->ret_val;
112 for(i=0; i < ctx->func->var_cnt; i++) {
113 if(!strcmpiW(ctx->func->vars[i].name, name)) {
115 ref->u.v = ctx->vars+i;
120 for(i=0; i < ctx->func->arg_cnt; i++) {
121 if(!strcmpiW(ctx->func->args[i].name, name)) {
123 ref->u.v = ctx->args+i;
128 if(lookup_dynamic_vars(ctx->func->type == FUNC_GLOBAL ? ctx->script->global_vars : ctx->dynamic_vars, name, ref))
131 if(ctx->func->type != FUNC_GLOBAL) {
132 hres = disp_get_id(ctx->this_obj, name, invoke_type, TRUE, &id);
133 if(SUCCEEDED(hres)) {
134 ref->type = REF_DISP;
135 ref->u.d.disp = ctx->this_obj;
141 if(ctx->func->type != FUNC_GLOBAL && lookup_dynamic_vars(ctx->script->global_vars, name, ref))
144 for(func = ctx->script->global_funcs; func; func = func->next) {
145 if(!strcmpiW(func->name, name)) {
146 ref->type = REF_FUNC;
152 if(!strcmpiW(name, errW)) {
154 ref->u.obj = (IDispatch*)&ctx->script->err_obj->IDispatchEx_iface;
158 hres = vbdisp_get_id(ctx->script->global_obj, name, invoke_type, TRUE, &id);
159 if(SUCCEEDED(hres)) {
160 ref->type = REF_DISP;
161 ref->u.d.disp = (IDispatch*)&ctx->script->global_obj->IDispatchEx_iface;
166 LIST_FOR_EACH_ENTRY(item, &ctx->script->named_items, named_item_t, entry) {
167 if((item->flags & SCRIPTITEM_ISVISIBLE) && !strcmpiW(item->name, name)) {
171 hres = IActiveScriptSite_GetItemInfo(ctx->script->site, name, SCRIPTINFO_IUNKNOWN, &unk, NULL);
173 WARN("GetItemInfo failed: %08x\n", hres);
177 hres = IUnknown_QueryInterface(unk, &IID_IDispatch, (void**)&item->disp);
178 IUnknown_Release(unk);
180 WARN("object does not implement IDispatch\n");
186 ref->u.obj = item->disp;
191 LIST_FOR_EACH_ENTRY(item, &ctx->script->named_items, named_item_t, entry) {
192 if((item->flags & SCRIPTITEM_GLOBALMEMBERS)) {
193 hres = disp_get_id(item->disp, name, invoke_type, FALSE, &id);
194 if(SUCCEEDED(hres)) {
195 ref->type = REF_DISP;
196 ref->u.d.disp = item->disp;
203 ref->type = REF_NONE;
207 static HRESULT add_dynamic_var(exec_ctx_t *ctx, const WCHAR *name, BOOL is_const, VARIANT *val, BOOL own_val)
209 dynamic_var_t *new_var;
215 heap = ctx->func->type == FUNC_GLOBAL ? &ctx->script->heap : &ctx->heap;
217 new_var = vbsheap_alloc(heap, sizeof(*new_var));
219 return E_OUTOFMEMORY;
221 size = (strlenW(name)+1)*sizeof(WCHAR);
222 str = vbsheap_alloc(heap, size);
224 return E_OUTOFMEMORY;
225 memcpy(str, name, size);
227 new_var->is_const = is_const;
232 V_VT(&new_var->v) = VT_EMPTY;
233 hres = VariantCopy(&new_var->v, val);
238 if(ctx->func->type == FUNC_GLOBAL) {
239 new_var->next = ctx->script->global_vars;
240 ctx->script->global_vars = new_var;
242 new_var->next = ctx->dynamic_vars;
243 ctx->dynamic_vars = new_var;
249 static inline VARIANT *stack_pop(exec_ctx_t *ctx)
252 return ctx->stack + --ctx->top;
255 static inline VARIANT *stack_top(exec_ctx_t *ctx, unsigned n)
257 assert(ctx->top >= n);
258 return ctx->stack + (ctx->top-n-1);
261 static HRESULT stack_push(exec_ctx_t *ctx, VARIANT *v)
263 if(ctx->stack_size == ctx->top) {
266 new_stack = heap_realloc(ctx->stack, ctx->stack_size*2*sizeof(*ctx->stack));
269 return E_OUTOFMEMORY;
272 ctx->stack = new_stack;
273 ctx->stack_size *= 2;
276 ctx->stack[ctx->top++] = *v;
280 static void stack_popn(exec_ctx_t *ctx, unsigned n)
283 VariantClear(stack_pop(ctx));
286 static HRESULT stack_pop_val(exec_ctx_t *ctx, variant_val_t *v)
290 var = stack_pop(ctx);
292 if(V_VT(var) == (VT_BYREF|VT_VARIANT)) {
294 var = V_VARIANTREF(var);
299 if(V_VT(var) == VT_DISPATCH) {
303 hres = disp_call(ctx->script, V_DISPATCH(var), DISPID_VALUE, &dp, &v->store);
305 IDispatch_Release(V_DISPATCH(var));
318 static HRESULT stack_assume_val(exec_ctx_t *ctx, unsigned n)
320 VARIANT *v = stack_top(ctx, n);
323 if(V_VT(v) == (VT_BYREF|VT_VARIANT)) {
324 VARIANT *ref = V_VARIANTREF(v);
327 hres = VariantCopy(v, ref);
332 if(V_VT(v) == VT_DISPATCH) {
336 disp = V_DISPATCH(v);
338 hres = disp_call(ctx->script, disp, DISPID_VALUE, &dp, v);
339 IDispatch_Release(disp);
347 static inline void release_val(variant_val_t *v)
353 static int stack_pop_bool(exec_ctx_t *ctx, BOOL *b)
358 hres = stack_pop_val(ctx, &val);
374 FIXME("unsupported for %s\n", debugstr_variant(val.v));
381 static HRESULT stack_pop_disp(exec_ctx_t *ctx, IDispatch **ret)
383 VARIANT *v = stack_pop(ctx);
385 if(V_VT(v) == VT_DISPATCH) {
386 *ret = V_DISPATCH(v);
390 if(V_VT(v) != (VT_VARIANT|VT_BYREF)) {
391 FIXME("not supported type: %s\n", debugstr_variant(v));
397 if(V_VT(v) != VT_DISPATCH) {
398 FIXME("not disp %s\n", debugstr_variant(v));
403 IDispatch_AddRef(V_DISPATCH(v));
404 *ret = V_DISPATCH(v);
408 static HRESULT stack_assume_disp(exec_ctx_t *ctx, unsigned n, IDispatch **disp)
410 VARIANT *v = stack_top(ctx, n), *ref;
412 if(V_VT(v) != VT_DISPATCH) {
413 if(V_VT(v) != (VT_VARIANT|VT_BYREF)) {
414 FIXME("not supported type: %s\n", debugstr_variant(v));
418 ref = V_VARIANTREF(v);
419 if(V_VT(ref) != VT_DISPATCH) {
420 FIXME("not disp %s\n", debugstr_variant(ref));
424 V_VT(v) = VT_DISPATCH;
425 V_DISPATCH(v) = V_DISPATCH(ref);
427 IDispatch_AddRef(V_DISPATCH(v));
431 *disp = V_DISPATCH(v);
435 static inline void instr_jmp(exec_ctx_t *ctx, unsigned addr)
437 ctx->instr = ctx->code->instrs + addr;
440 static void vbstack_to_dp(exec_ctx_t *ctx, unsigned arg_cnt, BOOL is_propput, DISPPARAMS *dp)
442 static DISPID propput_dispid = DISPID_PROPERTYPUT;
444 dp->cNamedArgs = is_propput ? 1 : 0;
445 dp->cArgs = arg_cnt + dp->cNamedArgs;
446 dp->rgdispidNamedArgs = is_propput ? &propput_dispid : NULL;
452 assert(ctx->top >= arg_cnt);
454 for(i=1; i*2 <= arg_cnt; i++) {
455 tmp = ctx->stack[ctx->top-i];
456 ctx->stack[ctx->top-i] = ctx->stack[ctx->top-arg_cnt+i-1];
457 ctx->stack[ctx->top-arg_cnt+i-1] = tmp;
460 dp->rgvarg = ctx->stack + ctx->top-dp->cArgs;
462 dp->rgvarg = is_propput ? ctx->stack+ctx->top-1 : NULL;
466 static HRESULT do_icall(exec_ctx_t *ctx, VARIANT *res)
468 BSTR identifier = ctx->instr->arg1.bstr;
469 const unsigned arg_cnt = ctx->instr->arg2.uint;
474 hres = lookup_identifier(ctx, identifier, VBDISP_CALLGET, &ref);
478 vbstack_to_dp(ctx, arg_cnt, FALSE, &dp);
484 FIXME("REF_VAR no res\n");
489 FIXME("arguments not implemented\n");
493 V_VT(res) = VT_BYREF|VT_VARIANT;
494 V_BYREF(res) = V_VT(ref.u.v) == (VT_VARIANT|VT_BYREF) ? V_VARIANTREF(ref.u.v) : ref.u.v;
497 hres = disp_call(ctx->script, ref.u.d.disp, ref.u.d.id, &dp, res);
502 hres = exec_script(ctx->script, ref.u.f, NULL, &dp, res);
508 FIXME("arguments on object\n");
513 IDispatch_AddRef(ref.u.obj);
514 V_VT(res) = VT_DISPATCH;
515 V_DISPATCH(res) = ref.u.obj;
519 FIXME("%s not found\n", debugstr_w(identifier));
520 return DISP_E_UNKNOWNNAME;
523 stack_popn(ctx, arg_cnt);
527 static HRESULT interp_icall(exec_ctx_t *ctx)
534 hres = do_icall(ctx, &v);
538 return stack_push(ctx, &v);
541 static HRESULT interp_icallv(exec_ctx_t *ctx)
544 return do_icall(ctx, NULL);
547 static HRESULT do_mcall(exec_ctx_t *ctx, VARIANT *res)
549 const BSTR identifier = ctx->instr->arg1.bstr;
550 const unsigned arg_cnt = ctx->instr->arg2.uint;
556 hres = stack_pop_disp(ctx, &obj);
565 vbstack_to_dp(ctx, arg_cnt, FALSE, &dp);
567 hres = disp_get_id(obj, identifier, VBDISP_CALLGET, FALSE, &id);
569 hres = disp_call(ctx->script, obj, id, &dp, res);
570 IDispatch_Release(obj);
574 stack_popn(ctx, arg_cnt);
578 static HRESULT interp_mcall(exec_ctx_t *ctx)
585 hres = do_mcall(ctx, &res);
589 return stack_push(ctx, &res);
592 static HRESULT interp_mcallv(exec_ctx_t *ctx)
596 return do_mcall(ctx, NULL);
599 static HRESULT assign_ident(exec_ctx_t *ctx, BSTR name, DISPPARAMS *dp)
604 hres = lookup_identifier(ctx, name, VBDISP_LET, &ref);
610 VARIANT *v = ref.u.v;
613 FIXME("arg_cnt %d not supported\n", arg_cnt(dp));
617 if(V_VT(v) == (VT_VARIANT|VT_BYREF))
620 hres = VariantCopy(v, dp->rgvarg);
624 hres = disp_propput(ctx->script, ref.u.d.disp, ref.u.d.id, dp);
627 FIXME("functions not implemented\n");
633 FIXME("REF_CONST\n");
636 if(ctx->func->code_ctx->option_explicit) {
637 FIXME("throw exception\n");
641 FIXME("arg_cnt %d not supported\n", arg_cnt(dp));
645 TRACE("creating variable %s\n", debugstr_w(name));
646 hres = add_dynamic_var(ctx, name, FALSE, dp->rgvarg, FALSE);
653 static HRESULT interp_assign_ident(exec_ctx_t *ctx)
655 const BSTR arg = ctx->instr->arg1.bstr;
656 const unsigned arg_cnt = ctx->instr->arg2.uint;
660 TRACE("%s\n", debugstr_w(arg));
662 hres = stack_assume_val(ctx, arg_cnt);
666 vbstack_to_dp(ctx, arg_cnt, TRUE, &dp);
667 hres = assign_ident(ctx, arg, &dp);
671 stack_popn(ctx, arg_cnt+1);
675 static HRESULT interp_set_ident(exec_ctx_t *ctx)
677 const BSTR arg = ctx->instr->arg1.bstr;
678 const unsigned arg_cnt = ctx->instr->arg2.uint;
682 TRACE("%s\n", debugstr_w(arg));
685 FIXME("arguments not supported\n");
689 hres = stack_assume_disp(ctx, 0, NULL);
693 vbstack_to_dp(ctx, 0, TRUE, &dp);
694 hres = assign_ident(ctx, ctx->instr->arg1.bstr, &dp);
702 static HRESULT interp_assign_member(exec_ctx_t *ctx)
704 BSTR identifier = ctx->instr->arg1.bstr;
705 const unsigned arg_cnt = ctx->instr->arg2.uint;
711 TRACE("%s\n", debugstr_w(identifier));
713 hres = stack_assume_disp(ctx, arg_cnt+1, &obj);
722 hres = stack_assume_val(ctx, arg_cnt);
726 hres = disp_get_id(obj, identifier, VBDISP_LET, FALSE, &id);
727 if(SUCCEEDED(hres)) {
728 vbstack_to_dp(ctx, arg_cnt, TRUE, &dp);
729 hres = disp_propput(ctx->script, obj, id, &dp);
734 stack_popn(ctx, arg_cnt+2);
738 static HRESULT interp_set_member(exec_ctx_t *ctx)
740 BSTR identifier = ctx->instr->arg1.bstr;
741 const unsigned arg_cnt = ctx->instr->arg2.uint;
747 TRACE("%s\n", debugstr_w(identifier));
750 FIXME("arguments not supported\n");
754 hres = stack_assume_disp(ctx, 1, &obj);
763 hres = stack_assume_disp(ctx, 0, NULL);
767 hres = disp_get_id(obj, identifier, VBDISP_SET, FALSE, &id);
768 if(SUCCEEDED(hres)) {
769 vbstack_to_dp(ctx, arg_cnt, TRUE, &dp);
770 hres = disp_propput(ctx->script, obj, id, &dp);
779 static HRESULT interp_const(exec_ctx_t *ctx)
781 BSTR arg = ctx->instr->arg1.bstr;
786 TRACE("%s\n", debugstr_w(arg));
788 assert(ctx->func->type == FUNC_GLOBAL);
790 hres = lookup_identifier(ctx, arg, VBDISP_CALLGET, &ref);
794 if(ref.type != REF_NONE) {
795 FIXME("%s already defined\n", debugstr_w(arg));
799 hres = stack_pop_val(ctx, &val);
803 return add_dynamic_var(ctx, arg, TRUE, val.v, val.owned);
806 static HRESULT interp_val(exec_ctx_t *ctx)
814 hres = stack_pop_val(ctx, &val);
820 hres = VariantCopy(&v, val.v);
825 return stack_push(ctx, val.owned ? val.v : &v);
828 static HRESULT interp_pop(exec_ctx_t *ctx)
830 const unsigned n = ctx->instr->arg1.uint;
838 static HRESULT interp_new(exec_ctx_t *ctx)
840 const WCHAR *arg = ctx->instr->arg1.bstr;
841 class_desc_t *class_desc;
846 TRACE("%s\n", debugstr_w(arg));
848 for(class_desc = ctx->script->classes; class_desc; class_desc = class_desc->next) {
849 if(!strcmpiW(class_desc->name, arg))
853 FIXME("Class %s not found\n", debugstr_w(arg));
857 hres = create_vbdisp(class_desc, &obj);
861 V_VT(&v) = VT_DISPATCH;
862 V_DISPATCH(&v) = (IDispatch*)&obj->IDispatchEx_iface;
863 return stack_push(ctx, &v);
866 static HRESULT interp_step(exec_ctx_t *ctx)
868 const BSTR ident = ctx->instr->arg2.bstr;
874 TRACE("%s\n", debugstr_w(ident));
878 hres = VarCmp(stack_top(ctx, 0), &zero, ctx->script->lcid, 0);
882 gteq_zero = hres == VARCMP_GT || hres == VARCMP_EQ;
884 hres = lookup_identifier(ctx, ident, VBDISP_ANY, &ref);
888 if(ref.type != REF_VAR) {
889 FIXME("%s is not REF_VAR\n", debugstr_w(ident));
893 hres = VarCmp(ref.u.v, stack_top(ctx, 1), ctx->script->lcid, 0);
897 if(hres == VARCMP_EQ || hres == (gteq_zero ? VARCMP_LT : VARCMP_GT))
900 instr_jmp(ctx, ctx->instr->arg1.uint);
904 static HRESULT interp_jmp(exec_ctx_t *ctx)
906 const unsigned arg = ctx->instr->arg1.uint;
914 static HRESULT interp_jmp_false(exec_ctx_t *ctx)
916 const unsigned arg = ctx->instr->arg1.uint;
922 hres = stack_pop_bool(ctx, &b);
929 instr_jmp(ctx, ctx->instr->arg1.uint);
933 static HRESULT interp_jmp_true(exec_ctx_t *ctx)
935 const unsigned arg = ctx->instr->arg1.uint;
941 hres = stack_pop_bool(ctx, &b);
946 instr_jmp(ctx, ctx->instr->arg1.uint);
952 static HRESULT interp_ret(exec_ctx_t *ctx)
960 static HRESULT interp_stop(exec_ctx_t *ctx)
964 /* NOTE: this should have effect in debugging mode (that we don't support yet) */
968 static HRESULT interp_me(exec_ctx_t *ctx)
974 IDispatch_AddRef(ctx->this_obj);
975 V_VT(&v) = VT_DISPATCH;
976 V_DISPATCH(&v) = ctx->this_obj;
977 return stack_push(ctx, &v);
980 static HRESULT interp_bool(exec_ctx_t *ctx)
982 const VARIANT_BOOL arg = ctx->instr->arg1.lng;
985 TRACE("%s\n", arg ? "true" : "false");
989 return stack_push(ctx, &v);
992 static HRESULT interp_errmode(exec_ctx_t *ctx)
994 const int err_mode = ctx->instr->arg1.uint;
996 TRACE("%d\n", err_mode);
998 ctx->resume_next = err_mode;
1002 static HRESULT interp_string(exec_ctx_t *ctx)
1009 V_BSTR(&v) = SysAllocString(ctx->instr->arg1.str);
1011 return E_OUTOFMEMORY;
1013 return stack_push(ctx, &v);
1016 static HRESULT interp_long(exec_ctx_t *ctx)
1018 const LONG arg = ctx->instr->arg1.lng;
1025 return stack_push(ctx, &v);
1028 static HRESULT interp_short(exec_ctx_t *ctx)
1030 const LONG arg = ctx->instr->arg1.lng;
1037 return stack_push(ctx, &v);
1040 static HRESULT interp_double(exec_ctx_t *ctx)
1042 const DOUBLE *arg = ctx->instr->arg1.dbl;
1045 TRACE("%lf\n", *arg);
1049 return stack_push(ctx, &v);
1052 static HRESULT interp_empty(exec_ctx_t *ctx)
1058 V_VT(&v) = VT_EMPTY;
1059 return stack_push(ctx, &v);
1062 static HRESULT interp_null(exec_ctx_t *ctx)
1069 return stack_push(ctx, &v);
1072 static HRESULT interp_nothing(exec_ctx_t *ctx)
1078 V_VT(&v) = VT_DISPATCH;
1079 V_DISPATCH(&v) = NULL;
1080 return stack_push(ctx, &v);
1083 static HRESULT interp_not(exec_ctx_t *ctx)
1091 hres = stack_pop_val(ctx, &val);
1095 hres = VarNot(val.v, &v);
1100 return stack_push(ctx, &v);
1103 static HRESULT interp_and(exec_ctx_t *ctx)
1111 hres = stack_pop_val(ctx, &r);
1115 hres = stack_pop_val(ctx, &l);
1116 if(SUCCEEDED(hres)) {
1117 hres = VarAnd(l.v, r.v, &v);
1124 return stack_push(ctx, &v);
1127 static HRESULT interp_or(exec_ctx_t *ctx)
1135 hres = stack_pop_val(ctx, &r);
1139 hres = stack_pop_val(ctx, &l);
1140 if(SUCCEEDED(hres)) {
1141 hres = VarOr(l.v, r.v, &v);
1148 return stack_push(ctx, &v);
1151 static HRESULT interp_xor(exec_ctx_t *ctx)
1159 hres = stack_pop_val(ctx, &r);
1163 hres = stack_pop_val(ctx, &l);
1164 if(SUCCEEDED(hres)) {
1165 hres = VarXor(l.v, r.v, &v);
1172 return stack_push(ctx, &v);
1175 static HRESULT interp_eqv(exec_ctx_t *ctx)
1183 hres = stack_pop_val(ctx, &r);
1187 hres = stack_pop_val(ctx, &l);
1188 if(SUCCEEDED(hres)) {
1189 hres = VarEqv(l.v, r.v, &v);
1196 return stack_push(ctx, &v);
1199 static HRESULT interp_imp(exec_ctx_t *ctx)
1207 hres = stack_pop_val(ctx, &r);
1211 hres = stack_pop_val(ctx, &l);
1212 if(SUCCEEDED(hres)) {
1213 hres = VarImp(l.v, r.v, &v);
1220 return stack_push(ctx, &v);
1223 static HRESULT cmp_oper(exec_ctx_t *ctx)
1228 hres = stack_pop_val(ctx, &r);
1232 hres = stack_pop_val(ctx, &l);
1233 if(SUCCEEDED(hres)) {
1234 if(V_VT(l.v) == VT_NULL || V_VT(r.v) == VT_NULL) {
1235 FIXME("comparing nulls is not implemented\n");
1238 hres = VarCmp(l.v, r.v, ctx->script->lcid, 0);
1247 static HRESULT interp_equal(exec_ctx_t *ctx)
1254 hres = cmp_oper(ctx);
1259 V_BOOL(&v) = hres == VARCMP_EQ ? VARIANT_TRUE : VARIANT_FALSE;
1260 return stack_push(ctx, &v);
1263 static HRESULT interp_nequal(exec_ctx_t *ctx)
1270 hres = cmp_oper(ctx);
1275 V_BOOL(&v) = hres != VARCMP_EQ ? VARIANT_TRUE : VARIANT_FALSE;
1276 return stack_push(ctx, &v);
1279 static HRESULT interp_gt(exec_ctx_t *ctx)
1286 hres = cmp_oper(ctx);
1291 V_BOOL(&v) = hres == VARCMP_GT ? VARIANT_TRUE : VARIANT_FALSE;
1292 return stack_push(ctx, &v);
1295 static HRESULT interp_gteq(exec_ctx_t *ctx)
1302 hres = cmp_oper(ctx);
1307 V_BOOL(&v) = hres == VARCMP_GT || hres == VARCMP_EQ ? VARIANT_TRUE : VARIANT_FALSE;
1308 return stack_push(ctx, &v);
1311 static HRESULT interp_lt(exec_ctx_t *ctx)
1318 hres = cmp_oper(ctx);
1323 V_BOOL(&v) = hres == VARCMP_LT ? VARIANT_TRUE : VARIANT_FALSE;
1324 return stack_push(ctx, &v);
1327 static HRESULT interp_lteq(exec_ctx_t *ctx)
1334 hres = cmp_oper(ctx);
1339 V_BOOL(&v) = hres == VARCMP_LT || hres == VARCMP_EQ ? VARIANT_TRUE : VARIANT_FALSE;
1340 return stack_push(ctx, &v);
1343 static HRESULT disp_cmp(IDispatch *disp1, IDispatch *disp2, VARIANT_BOOL *ret)
1345 IObjectIdentity *identity;
1346 IUnknown *unk1, *unk2;
1349 if(disp1 == disp2) {
1350 *ret = VARIANT_TRUE;
1354 if(!disp1 || !disp2) {
1355 *ret = VARIANT_FALSE;
1359 hres = IDispatch_QueryInterface(disp1, &IID_IUnknown, (void**)&unk1);
1363 hres = IDispatch_QueryInterface(disp2, &IID_IUnknown, (void**)&unk2);
1365 IUnknown_Release(unk1);
1370 *ret = VARIANT_TRUE;
1372 hres = IUnknown_QueryInterface(unk1, &IID_IObjectIdentity, (void**)&identity);
1373 if(SUCCEEDED(hres)) {
1374 hres = IObjectIdentity_IsEqualObject(identity, unk2);
1375 IObjectIdentity_Release(identity);
1376 *ret = hres == S_OK ? VARIANT_TRUE : VARIANT_FALSE;
1378 *ret = VARIANT_FALSE;
1382 IUnknown_Release(unk1);
1383 IUnknown_Release(unk2);
1387 static HRESULT interp_is(exec_ctx_t *ctx)
1395 hres = stack_pop_disp(ctx, &r);
1399 hres = stack_pop_disp(ctx, &l);
1400 if(SUCCEEDED(hres)) {
1402 hres = disp_cmp(l, r, &V_BOOL(&v));
1404 IDispatch_Release(l);
1407 IDispatch_Release(r);
1411 return stack_push(ctx, &v);
1414 static HRESULT interp_concat(exec_ctx_t *ctx)
1422 hres = stack_pop_val(ctx, &r);
1426 hres = stack_pop_val(ctx, &l);
1427 if(SUCCEEDED(hres)) {
1428 hres = VarCat(l.v, r.v, &v);
1435 return stack_push(ctx, &v);
1438 static HRESULT interp_add(exec_ctx_t *ctx)
1446 hres = stack_pop_val(ctx, &r);
1450 hres = stack_pop_val(ctx, &l);
1451 if(SUCCEEDED(hres)) {
1452 hres = VarAdd(l.v, r.v, &v);
1459 return stack_push(ctx, &v);
1462 static HRESULT interp_sub(exec_ctx_t *ctx)
1470 hres = stack_pop_val(ctx, &r);
1474 hres = stack_pop_val(ctx, &l);
1475 if(SUCCEEDED(hres)) {
1476 hres = VarSub(l.v, r.v, &v);
1483 return stack_push(ctx, &v);
1486 static HRESULT interp_mod(exec_ctx_t *ctx)
1494 hres = stack_pop_val(ctx, &r);
1498 hres = stack_pop_val(ctx, &l);
1499 if(SUCCEEDED(hres)) {
1500 hres = VarMod(l.v, r.v, &v);
1507 return stack_push(ctx, &v);
1510 static HRESULT interp_idiv(exec_ctx_t *ctx)
1518 hres = stack_pop_val(ctx, &r);
1522 hres = stack_pop_val(ctx, &l);
1523 if(SUCCEEDED(hres)) {
1524 hres = VarIdiv(l.v, r.v, &v);
1531 return stack_push(ctx, &v);
1534 static HRESULT interp_div(exec_ctx_t *ctx)
1542 hres = stack_pop_val(ctx, &r);
1546 hres = stack_pop_val(ctx, &l);
1547 if(SUCCEEDED(hres)) {
1548 hres = VarDiv(l.v, r.v, &v);
1555 return stack_push(ctx, &v);
1558 static HRESULT interp_mul(exec_ctx_t *ctx)
1566 hres = stack_pop_val(ctx, &r);
1570 hres = stack_pop_val(ctx, &l);
1571 if(SUCCEEDED(hres)) {
1572 hres = VarMul(l.v, r.v, &v);
1579 return stack_push(ctx, &v);
1582 static HRESULT interp_exp(exec_ctx_t *ctx)
1590 hres = stack_pop_val(ctx, &r);
1594 hres = stack_pop_val(ctx, &l);
1595 if(SUCCEEDED(hres)) {
1596 hres = VarPow(l.v, r.v, &v);
1603 return stack_push(ctx, &v);
1606 static HRESULT interp_neg(exec_ctx_t *ctx)
1612 hres = stack_pop_val(ctx, &val);
1616 hres = VarNeg(val.v, &v);
1621 return stack_push(ctx, &v);
1624 static HRESULT interp_incc(exec_ctx_t *ctx)
1626 const BSTR ident = ctx->instr->arg1.bstr;
1633 hres = lookup_identifier(ctx, ident, VBDISP_LET, &ref);
1637 if(ref.type != REF_VAR) {
1638 FIXME("ref.type is not REF_VAR\n");
1642 hres = VarAdd(stack_top(ctx, 0), ref.u.v, &v);
1646 VariantClear(ref.u.v);
1651 static const instr_func_t op_funcs[] = {
1652 #define X(x,n,a,b) interp_ ## x,
1657 static const unsigned op_move[] = {
1658 #define X(x,n,a,b) n,
1663 void release_dynamic_vars(dynamic_var_t *var)
1666 VariantClear(&var->v);
1671 static void release_exec(exec_ctx_t *ctx)
1675 VariantClear(&ctx->ret_val);
1676 release_dynamic_vars(ctx->dynamic_vars);
1679 IDispatch_Release(ctx->this_obj);
1682 for(i=0; i < ctx->func->arg_cnt; i++)
1683 VariantClear(ctx->args+i);
1687 for(i=0; i < ctx->func->var_cnt; i++)
1688 VariantClear(ctx->vars+i);
1691 vbsheap_free(&ctx->heap);
1692 heap_free(ctx->args);
1693 heap_free(ctx->vars);
1694 heap_free(ctx->stack);
1697 HRESULT exec_script(script_ctx_t *ctx, function_t *func, IDispatch *this_obj, DISPPARAMS *dp, VARIANT *res)
1699 exec_ctx_t exec = {func->code_ctx};
1701 HRESULT hres = S_OK;
1703 exec.code = func->code_ctx;
1705 if(dp ? func->arg_cnt != arg_cnt(dp) : func->arg_cnt) {
1706 FIXME("wrong arg_cnt %d, expected %d\n", dp ? arg_cnt(dp) : 0, func->arg_cnt);
1710 vbsheap_init(&exec.heap);
1716 exec.args = heap_alloc_zero(func->arg_cnt * sizeof(VARIANT));
1718 release_exec(&exec);
1719 return E_OUTOFMEMORY;
1722 for(i=0; i < func->arg_cnt; i++) {
1724 if(V_VT(v) == (VT_VARIANT|VT_BYREF)) {
1725 if(func->args[i].by_ref)
1728 hres = VariantCopy(exec.args+i, V_VARIANTREF(v));
1730 hres = VariantCopy(exec.args+i, v);
1733 release_exec(&exec);
1742 exec.vars = heap_alloc_zero(func->var_cnt * sizeof(VARIANT));
1744 release_exec(&exec);
1745 return E_OUTOFMEMORY;
1751 exec.stack_size = 16;
1753 exec.stack = heap_alloc(exec.stack_size * sizeof(VARIANT));
1755 release_exec(&exec);
1756 return E_OUTOFMEMORY;
1760 exec.this_obj = this_obj;
1761 else if (ctx->host_global)
1762 exec.this_obj = ctx->host_global;
1764 exec.this_obj = (IDispatch*)&ctx->script_obj->IDispatchEx_iface;
1765 IDispatch_AddRef(exec.this_obj);
1767 exec.instr = exec.code->instrs + func->code_off;
1772 op = exec.instr->op;
1773 hres = op_funcs[op](&exec);
1775 if(exec.resume_next)
1776 FIXME("Failed %08x in resume next mode\n", hres);
1778 WARN("Failed %08x\n", hres);
1779 stack_popn(&exec, exec.top);
1783 exec.instr += op_move[op];
1787 if(func->type != FUNC_FUNCTION && func->type != FUNC_PROPGET && func->type != FUNC_DEFGET)
1788 assert(V_VT(&exec.ret_val) == VT_EMPTY);
1790 if(SUCCEEDED(hres) && res) {
1791 *res = exec.ret_val;
1792 V_VT(&exec.ret_val) = VT_EMPTY;
1795 release_exec(&exec);