Something went wrong. Try again.
Reactos
Something went wrong. Try again.
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372373374375376377378379380381382383384385386387388389390391392393394395396397398399400401402403404405406407408409410411412413414415416417418419420421422423424425426427428429430431432433434435436437438439440441442443444445446447448449450451452453454455456457458459460461462463464465466467468469470471472473474475476477478479480481482483484485486487488489490491492493494495496497498499500501502503504505506507508509510511512513514515516517518519520521522523524525526527528529530531532533534535536537538539540541542543544545546547548549550551552553554555556557558559560561562563564565566567568569570571572573574575576577578579580581582583584585586587588589590591592593594595596597598599600601602603604605606607608609610611612613614615616617618619620621622623624625626627628629630631632633634635636637638639640641642643644645646647648649650651652653654655656657658659660661662663664665666667668669670671672673674675676677678679680681682683684685686687688689690691692693694695696697698699700701702703704705706707708709710711712713714715716717718719720721722723724725726727728729730731732733734735736737738739740741742743744745746747748749750751752753754755756757758759760761762763764765766767768769770771772773774775776777778779780781782783784785786787788789790791792793794795796797798799800801802803804805806807808809810811812813814815816817818819820821822823824825826827828829830831832833834835836837838839840841842843844845846847848849850851852853854855856857858859860861862863864865866867868869870871872873874875876877878879880881882883884885886887888889890891892893894895896897898899900901902903904905906907908909910911912913914915916917918919920921922923924925926927928929930931932933934935936937938939940941942943944945946947948949950951952953954955956957958959960961962963964965966967968969970971972973974975976977978979980981982983984985986987988989990991992993994995996997998999100010011002100310041005100610071008100910101011101210131014101510161017101810191020102110221023102410251026102710281029103010311032103310341035103610371038103910401041104210431044104510461047104810491050105110521053105410551056105710581059106010611062106310641065106610671068106910701071107210731074107510761077107810791080108110821083108410851086108710881089109010911092109310941095109610971098109911001101110211031104110511061107110811091110111111121113111411151116111711181119112011211122112311241125112611271128112911301131113211331134113511361137113811391140114111421143114411451146114711481149115011511152115311541155115611571158115911601161116211631164116511661167116811691170117111721173117411751176117711781179118011811182118311841185118611871188118911901191119211931194119511961197119811991200120112021203120412051206120712081209121012111212121312141215121612171218121912201221122212231224122512261227122812291230123112321233123412351236123712381239124012411242124312441245124612471248124912501251125212531254125512561257125812591260126112621263126412651266126712681269127012711272127312741275127612771278127912801281128212831284128512861287128812891290129112921293129412951296129712981299130013011302130313041305130613071308130913101311131213131314131513161317131813191320132113221323132413251326132713281329133013311332133313341335133613371338133913401341134213431344134513461347134813491350135113521353135413551356135713581359136013611362136313641365136613671368136913701371137213731374137513761377137813791380138113821383138413851386138713881389139013911392139313941395139613971398139914001401140214031404140514061407140814091410141114121413141414151416141714181419142014211422142314241425142614271428142914301431143214331434143514361437143814391440144114421443144414451446144714481449145014511452145314541455145614571458145914601461146214631464146514661467146814691470147114721473147414751476147714781479148014811482148314841485148614871488148914901491149214931494149514961497149814991500150115021503150415051506150715081509151015111512151315141515151615171518151915201521152215231524152515261527152815291530153115321533153415351536153715381539154015411542154315441545154615471548154915501551155215531554155515561557155815591560156115621563156415651566156715681569157015711572157315741575157615771578157915801581158215831584158515861587158815891590159115921593159415951596159715981599160016011602160316041605160616071608160916101611161216131614161516161617161816191620162116221623162416251626162716281629163016311632163316341635163616371638163916401641164216431644164516461647164816491650165116521653165416551656165716581659166016611662166316641665166616671668166916701671167216731674167516761677167816791680168116821683168416851686168716881689169016911692169316941695169616971698169917001701170217031704170517061707170817091710171117121713171417151716171717181719172017211722172317241725172617271728172917301731173217331734173517361737173817391740174117421743174417451746174717481749175017511752175317541755175617571758175917601761176217631764176517661767176817691770177117721773177417751776177717781779178017811782178317841785178617871788178917901791179217931794179517961797179817991800180118021803180418051806180718081809181018111812181318141815181618171818181918201821182218231824182518261827182818291830183118321833183418351836183718381839184018411842184318441845184618471848184918501851185218531854185518561857185818591860186118621863186418651866186718681869187018711872187318741875187618771878187918801881188218831884188518861887188818891890189118921893189418951896189718981899190019011902190319041905190619071908190919101911191219131914191519161917191819191920192119221923192419251926192719281929193019311932193319341935193619371938193919401941194219431944194519461947194819491950195119521953195419551956195719581959196019611962196319641965196619671968196919701971197219731974197519761977197819791980198119821983198419851986198719881989199019911992199319941995199619971998199920002001200220032004200520062007200820092010201120122013201420152016201720182019202020212022202320242025202620272028202920302031203220332034203520362037203820392040204120422043204420452046204720482049205020512052205320542055205620572058205920602061206220632064206520662067206820692070207120722073207420752076207720782079208020812082208320842085208620872088208920902091209220932094209520962097209820992100210121022103210421052106210721082109211021112112211321142115211621172118211921202121212221232124212521262127212821292130213121322133213421352136213721382139214021412142214321442145214621472148214921502151215221532154215521562157215821592160216121622163216421652166216721682169217021712172217321742175217621772178217921802181218221832184218521862187218821892190219121922193219421952196219721982199220022012202220322042205220622072208220922102211221222132214221522162217221822192220222122222223222422252226222722282229223022312232223322342235223622372238223922402241224222432244224522462247224822492250225122522253225422552256225722582259226022612262226322642265226622672268226922702271227222732274227522762277227822792280228122822283228422852286228722882289229022912292229322942295229622972298229923002301230223032304230523062307230823092310231123122313231423152316231723182319232023212322232323242325232623272328232923302331233223332334233523362337233823392340234123422343234423452346234723482349235023512352235323542355235623572358235923602361236223632364236523662367236823692370237123722373237423752376237723782379238023812382238323842385238623872388238923902391239223932394239523962397239823992400240124022403240424052406240724082409241024112412241324142415241624172418241924202421242224232424242524262427242824292430243124322433243424352436243724382439244024412442244324442445244624472448244924502451245224532454245524562457245824592460246124622463246424652466246724682469247024712472247324742475247624772478247924802481248224832484248524862487248824892490249124922493249424952496249724982499250025012502250325042505250625072508250925102511251225132514251525162517251825192520252125222523252425252526252725282529253025312532253325342535253625372538253925402541254225432544254525462547254825492550255125522553255425552556255725582559256025612562256325642565256625672568256925702571257225732574257525762577257825792580258125822583258425852586258725882589259025912592259325942595259625972598259926002601260226032604260526062607260826092610261126122613261426152616261726182619262026212622262326242625262626272628262926302631263226332634263526362637263826392640264126422643264426452646264726482649265026512652265326542655265626572658265926602661266226632664266526662667266826692670267126722673267426752676267726782679268026812682268326842685268626872688268926902691269226932694269526962697269826992700270127022703270427052706270727082709271027112712271327142715271627172718271927202721272227232724272527262727272827292730273127322733273427352736273727382739274027412742274327442745274627472748274927502751275227532754275527562757275827592760276127622763276427652766276727682769277027712772277327742775277627772778277927802781278227832784278527862787278827892790279127922793279427952796279727982799280028012802280328042805280628072808280928102811281228132814281528162817281828192820282128222823282428252826282728282829283028312832283328342835283628372838283928402841284228432844284528462847284828492850285128522853285428552856285728582859286028612862286328642865286628672868286928702871287228732874287528762877287828792880288128822883288428852886288728882889289028912892289328942895289628972898289929002901290229032904290529062907290829092910291129122913291429152916291729182919292029212922292329242925292629272928292929302931293229332934293529362937293829392940294129422943294429452946294729482949295029512952295329542955295629572958295929602961296229632964296529662967296829692970297129722973297429752976297729782979298029812982298329842985298629872988298929902991299229932994299529962997299829993000300130023003300430053006300730083009301030113012301330143015301630173018301930203021302230233024302530263027302830293030303130323033303430353036303730383039304030413042304330443045304630473048304930503051305230533054305530563057305830593060306130623063306430653066306730683069307030713072/* * Copyright 2008,2011 Jacek Caban for CodeWeavers * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA */
#ifdef __REACTOS__#include <wine/config.h>#include <wine/port.h>#endif
#include <math.h>#include <assert.h>
#include "jscript.h"#include "engine.h"
#include "wine/debug.h"
WINE_DEFAULT_DEBUG_CHANNEL(jscript);
static const WCHAR booleanW[] = {'b','o','o','l','e','a','n',0};static const WCHAR functionW[] = {'f','u','n','c','t','i','o','n',0};static const WCHAR numberW[] = {'n','u','m','b','e','r',0};static const WCHAR objectW[] = {'o','b','j','e','c','t',0};static const WCHAR stringW[] = {'s','t','r','i','n','g',0};static const WCHAR undefinedW[] = {'u','n','d','e','f','i','n','e','d',0};static const WCHAR unknownW[] = {'u','n','k','n','o','w','n',0};
struct _except_frame_t { unsigned stack_top; scope_chain_t *scope; unsigned catch_off; unsigned finally_off;
except_frame_t *next;};
typedef struct { enum { EXPRVAL_JSVAL, EXPRVAL_IDREF, EXPRVAL_STACK_REF, EXPRVAL_INVALID } type; union { jsval_t val; struct { IDispatch *disp; DISPID id; } idref; unsigned off; HRESULT hres; } u;} exprval_t;
static HRESULT stack_push(script_ctx_t *ctx, jsval_t v){ if(!ctx->stack_size) { ctx->stack = heap_alloc(16*sizeof(*ctx->stack)); if(!ctx->stack) return E_OUTOFMEMORY; ctx->stack_size = 16; }else if(ctx->stack_size == ctx->stack_top) { jsval_t *new_stack;
new_stack = heap_realloc(ctx->stack, ctx->stack_size*2*sizeof(*new_stack)); if(!new_stack) { jsval_release(v); return E_OUTOFMEMORY; }
ctx->stack = new_stack; ctx->stack_size *= 2; }
ctx->stack[ctx->stack_top++] = v; return S_OK;}
static inline HRESULT stack_push_string(script_ctx_t *ctx, const WCHAR *str){ jsstr_t *v;
v = jsstr_alloc(str); if(!v) return E_OUTOFMEMORY;
return stack_push(ctx, jsval_string(v));}
static inline jsval_t stack_top(script_ctx_t *ctx){ assert(ctx->stack_top > ctx->call_ctx->stack_base); return ctx->stack[ctx->stack_top-1];}
static inline jsval_t *stack_top_ref(script_ctx_t *ctx, unsigned n){ assert(ctx->stack_top > ctx->call_ctx->stack_base+n); return ctx->stack+ctx->stack_top-1-n;}
static inline jsval_t stack_topn(script_ctx_t *ctx, unsigned n){ return *stack_top_ref(ctx, n);}
static inline jsval_t *stack_args(script_ctx_t *ctx, unsigned n){ if(!n) return NULL; assert(ctx->stack_top > ctx->call_ctx->stack_base+n-1); return ctx->stack + ctx->stack_top-n;}
static inline jsval_t stack_pop(script_ctx_t *ctx){ assert(ctx->stack_top > ctx->call_ctx->stack_base); return ctx->stack[--ctx->stack_top];}
static void stack_popn(script_ctx_t *ctx, unsigned n){ while(n--) jsval_release(stack_pop(ctx));}
static HRESULT stack_pop_number(script_ctx_t *ctx, double *r){ jsval_t v; HRESULT hres;
v = stack_pop(ctx); hres = to_number(ctx, v, r); jsval_release(v); return hres;}
static HRESULT stack_pop_object(script_ctx_t *ctx, IDispatch **r){ jsval_t v; HRESULT hres;
v = stack_pop(ctx); if(is_object_instance(v)) { if(!get_object(v)) return throw_type_error(ctx, JS_E_OBJECT_REQUIRED, NULL); *r = get_object(v); return S_OK; }
hres = to_object(ctx, v, r); jsval_release(v); return hres;}
static inline HRESULT stack_pop_int(script_ctx_t *ctx, INT *r){ return to_int32(ctx, stack_pop(ctx), r);}
static inline HRESULT stack_pop_uint(script_ctx_t *ctx, DWORD *r){ return to_uint32(ctx, stack_pop(ctx), r);}
static inline unsigned local_off(call_frame_t *frame, int ref){ return ref < 0 ? frame->arguments_off - ref-1 : frame->variables_off + ref;}
static inline BSTR local_name(call_frame_t *frame, int ref){ return ref < 0 ? frame->function->params[-ref-1] : frame->function->variables[ref].name;}
/* Steals input reference even on failure. */static HRESULT stack_push_exprval(script_ctx_t *ctx, exprval_t *val){ HRESULT hres;
switch(val->type) { case EXPRVAL_JSVAL: assert(0); case EXPRVAL_IDREF: hres = stack_push(ctx, jsval_disp(val->u.idref.disp)); if(SUCCEEDED(hres)) hres = stack_push(ctx, jsval_number(val->u.idref.id)); else IDispatch_Release(val->u.idref.disp); return hres; case EXPRVAL_STACK_REF: hres = stack_push(ctx, jsval_number(val->u.off)); if(SUCCEEDED(hres)) hres = stack_push(ctx, jsval_undefined()); return hres; case EXPRVAL_INVALID: hres = stack_push(ctx, jsval_undefined()); if(SUCCEEDED(hres)) hres = stack_push(ctx, jsval_number(val->u.hres)); return hres; }
assert(0); return E_FAIL;}
static BOOL stack_topn_exprval(script_ctx_t *ctx, unsigned n, exprval_t *r){ jsval_t v = stack_topn(ctx, n+1);
switch(jsval_type(v)) { case JSV_NUMBER: { call_frame_t *frame = ctx->call_ctx; unsigned off = get_number(v);
if(!frame->base_scope->frame && off >= frame->arguments_off) { DISPID id; BSTR name; HRESULT hres;
/* Got stack reference in deoptimized code. Need to convert it back to variable object reference. */
assert(off < frame->variables_off + frame->function->var_cnt); name = off >= frame->variables_off ? frame->function->variables[off - frame->variables_off].name : frame->function->params[off - frame->arguments_off]; hres = jsdisp_get_id(ctx->call_ctx->base_scope->jsobj, name, 0, &id); if(FAILED(hres)) { r->type = EXPRVAL_INVALID; r->u.hres = hres; return FALSE; }
*stack_top_ref(ctx, n+1) = jsval_obj(jsdisp_addref(frame->base_scope->jsobj)); *stack_top_ref(ctx, n) = jsval_number(id); r->type = EXPRVAL_IDREF; r->u.idref.disp = frame->base_scope->obj; r->u.idref.id = id; return TRUE; }
r->type = EXPRVAL_STACK_REF; r->u.off = off; return TRUE; } case JSV_OBJECT: r->type = EXPRVAL_IDREF; r->u.idref.disp = get_object(v); assert(is_number(stack_topn(ctx, n))); r->u.idref.id = get_number(stack_topn(ctx, n)); return TRUE; case JSV_UNDEFINED: r->type = EXPRVAL_INVALID; assert(is_number(stack_topn(ctx, n))); r->u.hres = get_number(stack_topn(ctx, n)); return FALSE; default: assert(0); return FALSE; }}
static inline BOOL stack_pop_exprval(script_ctx_t *ctx, exprval_t *r){ BOOL ret = stack_topn_exprval(ctx, 0, r); ctx->stack_top -= 2; return ret;}
static HRESULT exprval_propput(script_ctx_t *ctx, exprval_t *ref, jsval_t v){ switch(ref->type) { case EXPRVAL_STACK_REF: { jsval_t *r = ctx->stack + ref->u.off; jsval_release(*r); return jsval_copy(v, r); } case EXPRVAL_IDREF: return disp_propput(ctx, ref->u.idref.disp, ref->u.idref.id, v); default: assert(0); return E_FAIL; }}
static HRESULT exprval_propget(script_ctx_t *ctx, exprval_t *ref, jsval_t *r){ switch(ref->type) { case EXPRVAL_STACK_REF: return jsval_copy(ctx->stack[ref->u.off], r); case EXPRVAL_IDREF: return disp_propget(ctx, ref->u.idref.disp, ref->u.idref.id, r); default: assert(0); return E_FAIL; }}
static HRESULT exprval_call(script_ctx_t *ctx, exprval_t *ref, WORD flags, unsigned argc, jsval_t *argv, jsval_t *r){ switch(ref->type) { case EXPRVAL_STACK_REF: { jsval_t v = ctx->stack[ref->u.off];
if(!is_object_instance(v)) { FIXME("invoke %s\n", debugstr_jsval(v)); return E_FAIL; }
return disp_call_value(ctx, get_object(v), NULL, flags, argc, argv, r); } case EXPRVAL_IDREF: return disp_call(ctx, ref->u.idref.disp, ref->u.idref.id, flags, argc, argv, r); default: assert(0); return E_FAIL; }}
/* ECMA-262 3rd Edition 8.7.1 *//* Steals input reference. */static HRESULT exprval_to_value(script_ctx_t *ctx, exprval_t *ref, jsval_t *r){ HRESULT hres;
if(ref->type == EXPRVAL_JSVAL) { *r = ref->u.val; return S_OK; }
hres = exprval_propget(ctx, ref, r);
if(ref->type == EXPRVAL_IDREF) IDispatch_Release(ref->u.idref.disp); return hres;}
static void exprval_release(exprval_t *val){ switch(val->type) { case EXPRVAL_JSVAL: jsval_release(val->u.val); return; case EXPRVAL_IDREF: if(val->u.idref.disp) IDispatch_Release(val->u.idref.disp); return; case EXPRVAL_STACK_REF: case EXPRVAL_INVALID: return; }}
static inline void exprval_set_exception(exprval_t *val, HRESULT hres){ val->type = EXPRVAL_INVALID; val->u.hres = hres;}
static inline void exprval_set_disp_ref(exprval_t *ref, IDispatch *obj, DISPID id){ ref->type = EXPRVAL_IDREF;#ifdef __REACTOS__ /* FIXME: Inspect */ IDispatch_AddRef(obj); ref->u.idref.disp = obj;#else IDispatch_AddRef(ref->u.idref.disp = obj);#endif ref->u.idref.id = id;}
static inline jsval_t steal_ret(call_frame_t *frame){ jsval_t r = frame->ret; frame->ret = jsval_undefined(); return r;}
static inline void clear_acc(script_ctx_t *ctx){ jsval_release(ctx->acc); ctx->acc = jsval_undefined();}
static HRESULT scope_push(scope_chain_t *scope, jsdisp_t *jsobj, IDispatch *obj, scope_chain_t **ret){ scope_chain_t *new_scope;
new_scope = heap_alloc(sizeof(scope_chain_t)); if(!new_scope) return E_OUTOFMEMORY;
new_scope->ref = 1;
IDispatch_AddRef(obj); new_scope->jsobj = jsobj; new_scope->obj = obj; new_scope->frame = NULL; new_scope->next = scope ? scope_addref(scope) : NULL;
*ret = new_scope; return S_OK;}
static void scope_pop(scope_chain_t **scope){ scope_chain_t *tmp;
tmp = *scope; *scope = tmp->next; scope_release(tmp);}
void clear_ei(script_ctx_t *ctx){ memset(&ctx->ei.ei, 0, sizeof(ctx->ei.ei)); jsval_release(ctx->ei.val); ctx->ei.val = jsval_undefined();}
void scope_release(scope_chain_t *scope){ if(--scope->ref) return;
if(scope->next) scope_release(scope->next);
IDispatch_Release(scope->obj); heap_free(scope);}
static HRESULT disp_get_id(script_ctx_t *ctx, IDispatch *disp, const WCHAR *name, BSTR name_bstr, DWORD flags, DISPID *id){ IDispatchEx *dispex; jsdisp_t *jsdisp; BSTR bstr; HRESULT hres;
jsdisp = iface_to_jsdisp(disp); if(jsdisp) { hres = jsdisp_get_id(jsdisp, name, flags, id); jsdisp_release(jsdisp); return hres; }
if(name_bstr) { bstr = name_bstr; }else { bstr = SysAllocString(name); if(!bstr) return E_OUTOFMEMORY; }
*id = 0; hres = IDispatch_QueryInterface(disp, &IID_IDispatchEx, (void**)&dispex); if(SUCCEEDED(hres)) { hres = IDispatchEx_GetDispID(dispex, bstr, make_grfdex(ctx, flags|fdexNameCaseSensitive), id); IDispatchEx_Release(dispex); }else { TRACE("using IDispatch\n"); hres = IDispatch_GetIDsOfNames(disp, &IID_NULL, &bstr, 1, 0, id); }
if(name_bstr != bstr) SysFreeString(bstr); return hres;}
static HRESULT disp_cmp(IDispatch *disp1, IDispatch *disp2, BOOL *ret){ IObjectIdentity *identity; IUnknown *unk1, *unk2; HRESULT hres;
if(disp1 == disp2) { *ret = TRUE; return S_OK; }
if(!disp1 || !disp2) { *ret = FALSE; return S_OK; }
hres = IDispatch_QueryInterface(disp1, &IID_IUnknown, (void**)&unk1); if(FAILED(hres)) return hres;
hres = IDispatch_QueryInterface(disp2, &IID_IUnknown, (void**)&unk2); if(FAILED(hres)) { IUnknown_Release(unk1); return hres; }
if(unk1 == unk2) { *ret = TRUE; }else { hres = IUnknown_QueryInterface(unk1, &IID_IObjectIdentity, (void**)&identity); if(SUCCEEDED(hres)) { hres = IObjectIdentity_IsEqualObject(identity, unk2); IObjectIdentity_Release(identity); *ret = hres == S_OK; }else { *ret = FALSE; } }
IUnknown_Release(unk1); IUnknown_Release(unk2); return S_OK;}
/* ECMA-262 3rd Edition 11.9.6 */HRESULT jsval_strict_equal(jsval_t lval, jsval_t rval, BOOL *ret){ jsval_type_t type = jsval_type(lval);
TRACE("\n");
if(type != jsval_type(rval)) { if(is_null_instance(lval)) *ret = is_null_instance(rval); else *ret = FALSE; return S_OK; }
switch(type) { case JSV_UNDEFINED: case JSV_NULL: *ret = TRUE; break; case JSV_OBJECT: return disp_cmp(get_object(lval), get_object(rval), ret); case JSV_STRING: *ret = jsstr_eq(get_string(lval), get_string(rval)); break; case JSV_NUMBER: *ret = get_number(lval) == get_number(rval); break; case JSV_BOOL: *ret = !get_bool(lval) == !get_bool(rval); break; case JSV_VARIANT: FIXME("VARIANT not implemented\n"); return E_NOTIMPL; }
return S_OK;}
/* * Transfers local variables from stack to variable object. * It's slow, so we want to avoid it as much as possible. */static HRESULT detach_variable_object(script_ctx_t *ctx, call_frame_t *frame, BOOL from_release){ unsigned i; HRESULT hres;
if(!frame->base_scope || !frame->base_scope->frame) return S_OK;
TRACE("detaching %p\n", frame);
assert(frame == frame->base_scope->frame); assert(frame->variable_obj == frame->base_scope->jsobj);
if(!from_release && !frame->arguments_obj) { hres = setup_arguments_object(ctx, frame); if(FAILED(hres)) return hres; }
frame->base_scope->frame = NULL;
for(i = 0; i < frame->function->locals_cnt; i++) { hres = jsdisp_propput_name(frame->variable_obj, frame->function->locals[i].name, ctx->stack[local_off(frame, frame->function->locals[i].ref)]); if(FAILED(hres)) return hres; }
return S_OK;}
static BOOL lookup_global_members(script_ctx_t *ctx, BSTR identifier, exprval_t *ret){ named_item_t *item; DISPID id; HRESULT hres;
for(item = ctx->named_items; item; item = item->next) { if(item->flags & SCRIPTITEM_GLOBALMEMBERS) { hres = disp_get_id(ctx, item->disp, identifier, identifier, 0, &id); if(SUCCEEDED(hres)) { if(ret) exprval_set_disp_ref(ret, item->disp, id); return TRUE; } } }
return FALSE;}
static int __cdecl local_ref_cmp(const void *key, const void *ref){ return wcscmp((const WCHAR*)key, ((const local_ref_t*)ref)->name);}
local_ref_t *lookup_local(const function_code_t *function, const WCHAR *identifier){ return bsearch(identifier, function->locals, function->locals_cnt, sizeof(*function->locals), local_ref_cmp);}
/* ECMA-262 3rd Edition 10.1.4 */static HRESULT identifier_eval(script_ctx_t *ctx, BSTR identifier, exprval_t *ret){ scope_chain_t *scope; named_item_t *item; DISPID id = 0; HRESULT hres;
TRACE("%s\n", debugstr_w(identifier));
if(ctx->call_ctx) { for(scope = ctx->call_ctx->scope; scope; scope = scope->next) { if(scope->frame) { function_code_t *func = scope->frame->function; local_ref_t *ref = lookup_local(func, identifier); static const WCHAR argumentsW[] = {'a','r','g','u','m','e','n','t','s',0};
if(ref) { ret->type = EXPRVAL_STACK_REF; ret->u.off = local_off(scope->frame, ref->ref); TRACE("returning ref %d for %d\n", ret->u.off, ref->ref); return S_OK; }
if(!wcscmp(identifier, argumentsW)) { hres = detach_variable_object(ctx, scope->frame, FALSE); if(FAILED(hres)) return hres; } } if(scope->jsobj) hres = jsdisp_get_id(scope->jsobj, identifier, fdexNameImplicit, &id); else hres = disp_get_id(ctx, scope->obj, identifier, identifier, fdexNameImplicit, &id); if(SUCCEEDED(hres)) { exprval_set_disp_ref(ret, scope->obj, id); return S_OK; } } }
hres = jsdisp_get_id(ctx->global, identifier, 0, &id); if(SUCCEEDED(hres)) { exprval_set_disp_ref(ret, to_disp(ctx->global), id); return S_OK; }
for(item = ctx->named_items; item; item = item->next) { if((item->flags & SCRIPTITEM_ISVISIBLE) && !wcscmp(item->name, identifier)) { if(!item->disp) { IUnknown *unk;
if(!ctx->site) break;
hres = IActiveScriptSite_GetItemInfo(ctx->site, identifier, SCRIPTINFO_IUNKNOWN, &unk, NULL); if(FAILED(hres)) { WARN("GetItemInfo failed: %08x\n", hres); break; }
hres = IUnknown_QueryInterface(unk, &IID_IDispatch, (void**)&item->disp); IUnknown_Release(unk); if(FAILED(hres)) { WARN("object does not implement IDispatch\n"); break; } }
IDispatch_AddRef(item->disp); ret->type = EXPRVAL_JSVAL; ret->u.val = jsval_disp(item->disp); return S_OK; } }
if(lookup_global_members(ctx, identifier, ret)) return S_OK;
exprval_set_exception(ret, JS_E_UNDEFINED_VARIABLE); return S_OK;}
static inline BSTR get_op_bstr(script_ctx_t *ctx, int i){ call_frame_t *frame = ctx->call_ctx; return frame->bytecode->instrs[frame->ip].u.arg[i].bstr;}
static inline unsigned get_op_uint(script_ctx_t *ctx, int i){ call_frame_t *frame = ctx->call_ctx; return frame->bytecode->instrs[frame->ip].u.arg[i].uint;}
static inline unsigned get_op_int(script_ctx_t *ctx, int i){ call_frame_t *frame = ctx->call_ctx; return frame->bytecode->instrs[frame->ip].u.arg[i].lng;}
static inline jsstr_t *get_op_str(script_ctx_t *ctx, int i){ call_frame_t *frame = ctx->call_ctx; return frame->bytecode->instrs[frame->ip].u.arg[i].str;}
static inline double get_op_double(script_ctx_t *ctx){ call_frame_t *frame = ctx->call_ctx; return frame->bytecode->instrs[frame->ip].u.dbl;}
static inline void jmp_next(script_ctx_t *ctx){ ctx->call_ctx->ip++;}
static inline void jmp_abs(script_ctx_t *ctx, unsigned dst){ ctx->call_ctx->ip = dst;}
/* ECMA-262 3rd Edition 12.6.4 */static HRESULT interp_forin(script_ctx_t *ctx){ const HRESULT arg = get_op_uint(ctx, 0); IDispatch *obj = NULL; IDispatchEx *dispex; exprval_t prop_ref; DISPID id; BSTR name = NULL; HRESULT hres;
TRACE("\n");
assert(is_number(stack_top(ctx))); id = get_number(stack_top(ctx));
if(!stack_topn_exprval(ctx, 1, &prop_ref)) { FIXME("invalid ref: %08x\n", prop_ref.u.hres); return E_FAIL; }
if(is_object_instance(stack_topn(ctx, 3))) obj = get_object(stack_topn(ctx, 3));
if(obj) { hres = IDispatch_QueryInterface(obj, &IID_IDispatchEx, (void**)&dispex); if(SUCCEEDED(hres)) { hres = IDispatchEx_GetNextDispID(dispex, fdexEnumDefault, id, &id); if(hres == S_OK) hres = IDispatchEx_GetMemberName(dispex, id, &name); IDispatchEx_Release(dispex); if(FAILED(hres)) return hres; }else { TRACE("No IDispatchEx\n"); } }
if(name) { jsstr_t *str;
str = jsstr_alloc_len(name, SysStringLen(name)); SysFreeString(name); if(!str) return E_OUTOFMEMORY;
stack_pop(ctx); stack_push(ctx, jsval_number(id)); /* safe, just after pop() */
hres = exprval_propput(ctx, &prop_ref, jsval_string(str)); jsstr_release(str); if(FAILED(hres)) return hres;
jmp_next(ctx); }else { stack_popn(ctx, 4); jmp_abs(ctx, arg); } return S_OK;}
/* ECMA-262 3rd Edition 12.10 */static HRESULT interp_push_scope(script_ctx_t *ctx){ IDispatch *disp; jsval_t v; HRESULT hres;
TRACE("\n");
v = stack_pop(ctx); hres = to_object(ctx, v, &disp); jsval_release(v); if(FAILED(hres)) return hres;
hres = scope_push(ctx->call_ctx->scope, to_jsdisp(disp), disp, &ctx->call_ctx->scope); IDispatch_Release(disp); return hres;}
/* ECMA-262 3rd Edition 12.10 */static HRESULT interp_pop_scope(script_ctx_t *ctx){ TRACE("\n");
scope_pop(&ctx->call_ctx->scope); return S_OK;}
/* ECMA-262 3rd Edition 12.13 */static HRESULT interp_case(script_ctx_t *ctx){ const unsigned arg = get_op_uint(ctx, 0); jsval_t v; BOOL b; HRESULT hres;
TRACE("\n");
v = stack_pop(ctx); hres = jsval_strict_equal(stack_top(ctx), v, &b); jsval_release(v); if(FAILED(hres)) return hres;
if(b) { stack_popn(ctx, 1); jmp_abs(ctx, arg); }else { jmp_next(ctx); } return S_OK;}
/* ECMA-262 3rd Edition 12.13 */static HRESULT interp_throw(script_ctx_t *ctx){ TRACE("\n");
jsval_release(ctx->ei.val); ctx->ei.val = stack_pop(ctx); return DISP_E_EXCEPTION;}
static HRESULT interp_throw_ref(script_ctx_t *ctx){ const HRESULT arg = get_op_uint(ctx, 0);
TRACE("%08x\n", arg);
return throw_reference_error(ctx, arg, NULL);}
static HRESULT interp_throw_type(script_ctx_t *ctx){ const HRESULT hres = get_op_uint(ctx, 0); jsstr_t *str = get_op_str(ctx, 1); const WCHAR *ptr;
TRACE("%08x %s\n", hres, debugstr_jsstr(str));
ptr = jsstr_flatten(str); return ptr ? throw_type_error(ctx, hres, ptr) : E_OUTOFMEMORY;}
/* ECMA-262 3rd Edition 12.14 */static HRESULT interp_push_except(script_ctx_t *ctx){ const unsigned catch_off = get_op_uint(ctx, 0); const unsigned finally_off = get_op_uint(ctx, 1); call_frame_t *frame = ctx->call_ctx; except_frame_t *except;
TRACE("\n");
except = heap_alloc(sizeof(*except)); if(!except) return E_OUTOFMEMORY;
except->stack_top = ctx->stack_top; except->scope = frame->scope; except->catch_off = catch_off; except->finally_off = finally_off; except->next = frame->except_frame; frame->except_frame = except; return S_OK;}
/* ECMA-262 3rd Edition 12.14 */static HRESULT interp_pop_except(script_ctx_t *ctx){ const unsigned ret_off = get_op_uint(ctx, 0); call_frame_t *frame = ctx->call_ctx; except_frame_t *except; unsigned finally_off;
TRACE("%u\n", ret_off);
except = frame->except_frame; assert(except != NULL);
finally_off = except->finally_off; frame->except_frame = except->next; heap_free(except);
if(finally_off) { HRESULT hres;
hres = stack_push(ctx, jsval_number(ret_off)); if(FAILED(hres)) return hres; hres = stack_push(ctx, jsval_bool(TRUE)); if(FAILED(hres)) return hres; frame->ip = finally_off; }else { frame->ip = ret_off; }
return S_OK;}
/* ECMA-262 3rd Edition 12.14 */static HRESULT interp_end_finally(script_ctx_t *ctx){ call_frame_t *frame = ctx->call_ctx; jsval_t v;
TRACE("\n");
v = stack_pop(ctx); assert(is_bool(v));
if(!get_bool(v)) { TRACE("passing exception\n");
ctx->ei.val = stack_pop(ctx); return DISP_E_EXCEPTION; }
v = stack_pop(ctx); assert(is_number(v)); frame->ip = get_number(v); return S_OK;}
static HRESULT interp_enter_catch(script_ctx_t *ctx){ const BSTR ident = get_op_bstr(ctx, 0); jsdisp_t *scope_obj; jsval_t v; HRESULT hres;
hres = create_dispex(ctx, NULL, NULL, &scope_obj); if(FAILED(hres)) return hres;
v = stack_pop(ctx); hres = jsdisp_propput_name(scope_obj, ident, v); jsval_release(v); if(SUCCEEDED(hres)) hres = scope_push(ctx->call_ctx->scope, scope_obj, to_disp(scope_obj), &ctx->call_ctx->scope); jsdisp_release(scope_obj); return hres;}
/* ECMA-262 3rd Edition 13 */static HRESULT interp_func(script_ctx_t *ctx){ unsigned func_idx = get_op_uint(ctx, 0); call_frame_t *frame = ctx->call_ctx; jsdisp_t *dispex; HRESULT hres;
TRACE("%d\n", func_idx);
hres = create_source_function(ctx, frame->bytecode, frame->function->funcs+func_idx, frame->scope, &dispex); if(FAILED(hres)) return hres;
return stack_push(ctx, jsval_obj(dispex));}
/* ECMA-262 3rd Edition 11.2.1 */static HRESULT interp_array(script_ctx_t *ctx){ jsstr_t *name_str; const WCHAR *name; jsval_t v, namev; IDispatch *obj; DISPID id; HRESULT hres;
TRACE("\n");
namev = stack_pop(ctx);
hres = stack_pop_object(ctx, &obj); if(FAILED(hres)) { jsval_release(namev); return hres; }
hres = to_flat_string(ctx, namev, &name_str, &name); jsval_release(namev); if(FAILED(hres)) { IDispatch_Release(obj); return hres; }
hres = disp_get_id(ctx, obj, name, NULL, 0, &id); jsstr_release(name_str); if(SUCCEEDED(hres)) { hres = disp_propget(ctx, obj, id, &v); }else if(hres == DISP_E_UNKNOWNNAME) { v = jsval_undefined(); hres = S_OK; } IDispatch_Release(obj); if(FAILED(hres)) return hres;
return stack_push(ctx, v);}
/* ECMA-262 3rd Edition 11.2.1 */static HRESULT interp_member(script_ctx_t *ctx){ const BSTR arg = get_op_bstr(ctx, 0); IDispatch *obj; jsval_t v; DISPID id; HRESULT hres;
TRACE("\n");
hres = stack_pop_object(ctx, &obj); if(FAILED(hres)) return hres;
hres = disp_get_id(ctx, obj, arg, arg, 0, &id); if(SUCCEEDED(hres)) { hres = disp_propget(ctx, obj, id, &v); }else if(hres == DISP_E_UNKNOWNNAME) { v = jsval_undefined(); hres = S_OK; } IDispatch_Release(obj); if(FAILED(hres)) return hres;
return stack_push(ctx, v);}
/* ECMA-262 3rd Edition 11.2.1 */static HRESULT interp_memberid(script_ctx_t *ctx){ const unsigned arg = get_op_uint(ctx, 0); jsval_t objv, namev; const WCHAR *name; jsstr_t *name_str; IDispatch *obj; exprval_t ref; DISPID id; HRESULT hres;
TRACE("%x\n", arg);
namev = stack_pop(ctx); objv = stack_pop(ctx);
hres = to_object(ctx, objv, &obj); jsval_release(objv); if(SUCCEEDED(hres)) { hres = to_flat_string(ctx, namev, &name_str, &name); if(FAILED(hres)) IDispatch_Release(obj); } jsval_release(namev); if(FAILED(hres)) return hres;
hres = disp_get_id(ctx, obj, name, NULL, arg, &id); jsstr_release(name_str); if(SUCCEEDED(hres)) { ref.type = EXPRVAL_IDREF; ref.u.idref.disp = obj; ref.u.idref.id = id; }else { IDispatch_Release(obj); if(hres == DISP_E_UNKNOWNNAME && !(arg & fdexNameEnsure)) { exprval_set_exception(&ref, JS_E_INVALID_PROPERTY); hres = S_OK; }else { ERR("failed %08x\n", hres); return hres; } }
return stack_push_exprval(ctx, &ref);}
/* ECMA-262 3rd Edition 11.2.1 */static HRESULT interp_refval(script_ctx_t *ctx){ exprval_t ref; jsval_t v; HRESULT hres;
TRACE("\n");
if(!stack_topn_exprval(ctx, 0, &ref)) return throw_reference_error(ctx, JS_E_ILLEGAL_ASSIGN, NULL);
hres = exprval_propget(ctx, &ref, &v); if(FAILED(hres)) return hres;
return stack_push(ctx, v);}
/* ECMA-262 3rd Edition 11.2.2 */static HRESULT interp_new(script_ctx_t *ctx){ const unsigned argc = get_op_uint(ctx, 0); jsval_t constr;
TRACE("%d\n", argc);
constr = stack_topn(ctx, argc);
/* NOTE: Should use to_object here */
if(is_null(constr)) return throw_type_error(ctx, JS_E_OBJECT_EXPECTED, NULL); else if(!is_object_instance(constr)) return throw_type_error(ctx, JS_E_INVALID_ACTION, NULL); else if(!get_object(constr)) return throw_type_error(ctx, JS_E_INVALID_PROPERTY, NULL);
clear_acc(ctx); return disp_call_value(ctx, get_object(constr), NULL, DISPATCH_CONSTRUCT | DISPATCH_JSCRIPT_CALLEREXECSSOURCE, argc, stack_args(ctx, argc), &ctx->acc);}
/* ECMA-262 3rd Edition 11.2.3 */static HRESULT interp_call(script_ctx_t *ctx){ const unsigned argn = get_op_uint(ctx, 0); const int do_ret = get_op_int(ctx, 1); jsval_t obj;
TRACE("%d %d\n", argn, do_ret);
obj = stack_topn(ctx, argn); if(!is_object_instance(obj)) return throw_type_error(ctx, JS_E_INVALID_PROPERTY, NULL);
clear_acc(ctx); return disp_call_value(ctx, get_object(obj), NULL, DISPATCH_METHOD | DISPATCH_JSCRIPT_CALLEREXECSSOURCE, argn, stack_args(ctx, argn), do_ret ? &ctx->acc : NULL);}
/* ECMA-262 3rd Edition 11.2.3 */static HRESULT interp_call_member(script_ctx_t *ctx){ const unsigned argn = get_op_uint(ctx, 0); const int do_ret = get_op_int(ctx, 1); exprval_t ref;
TRACE("%d %d\n", argn, do_ret);
if(!stack_topn_exprval(ctx, argn, &ref)) return throw_type_error(ctx, ref.u.hres, NULL);
clear_acc(ctx); return exprval_call(ctx, &ref, DISPATCH_METHOD | DISPATCH_JSCRIPT_CALLEREXECSSOURCE, argn, stack_args(ctx, argn), do_ret ? &ctx->acc : NULL);}
/* ECMA-262 3rd Edition 11.1.1 */static HRESULT interp_this(script_ctx_t *ctx){ call_frame_t *frame = ctx->call_ctx;
TRACE("\n");
IDispatch_AddRef(frame->this_obj); return stack_push(ctx, jsval_disp(frame->this_obj));}
static HRESULT interp_identifier_ref(script_ctx_t *ctx, BSTR identifier, unsigned flags){ exprval_t exprval; HRESULT hres;
hres = identifier_eval(ctx, identifier, &exprval); if(FAILED(hres)) return hres;
if(exprval.type == EXPRVAL_INVALID && (flags & fdexNameEnsure)) { DISPID id;
hres = jsdisp_get_id(ctx->global, identifier, fdexNameEnsure, &id); if(FAILED(hres)) return hres;
exprval_set_disp_ref(&exprval, to_disp(ctx->global), id); }
if(exprval.type == EXPRVAL_JSVAL || exprval.type == EXPRVAL_INVALID) { WARN("invalid ref\n"); exprval_release(&exprval); exprval_set_exception(&exprval, JS_E_OBJECT_EXPECTED); }
return stack_push_exprval(ctx, &exprval);}
static HRESULT identifier_value(script_ctx_t *ctx, BSTR identifier){ exprval_t exprval; jsval_t v; HRESULT hres;
hres = identifier_eval(ctx, identifier, &exprval); if(FAILED(hres)) return hres;
if(exprval.type == EXPRVAL_INVALID) return throw_type_error(ctx, exprval.u.hres, identifier);
hres = exprval_to_value(ctx, &exprval, &v); if(FAILED(hres)) return hres;
return stack_push(ctx, v);}
static HRESULT interp_local_ref(script_ctx_t *ctx){ const int arg = get_op_int(ctx, 0); const unsigned flags = get_op_uint(ctx, 1); call_frame_t *frame = ctx->call_ctx; exprval_t ref;
TRACE("%d\n", arg);
if(!frame->base_scope || !frame->base_scope->frame) return interp_identifier_ref(ctx, local_name(frame, arg), flags);
ref.type = EXPRVAL_STACK_REF; ref.u.off = local_off(frame, arg); return stack_push_exprval(ctx, &ref);}
static HRESULT interp_local(script_ctx_t *ctx){ const int arg = get_op_int(ctx, 0); call_frame_t *frame = ctx->call_ctx; jsval_t copy; HRESULT hres;
TRACE("%d: %s\n", arg, debugstr_w(local_name(frame, arg)));
if(!frame->base_scope || !frame->base_scope->frame) return identifier_value(ctx, local_name(frame, arg));
hres = jsval_copy(ctx->stack[local_off(frame, arg)], ©); if(FAILED(hres)) return hres;
return stack_push(ctx, copy);}
/* ECMA-262 3rd Edition 10.1.4 */static HRESULT interp_ident(script_ctx_t *ctx){ const BSTR arg = get_op_bstr(ctx, 0);
TRACE("%s\n", debugstr_w(arg));
return identifier_value(ctx, arg);}
/* ECMA-262 3rd Edition 10.1.4 */static HRESULT interp_identid(script_ctx_t *ctx){ const BSTR arg = get_op_bstr(ctx, 0); const unsigned flags = get_op_uint(ctx, 1);
TRACE("%s %x\n", debugstr_w(arg), flags);
return interp_identifier_ref(ctx, arg, flags);}
/* ECMA-262 3rd Edition 7.8.1 */static HRESULT interp_null(script_ctx_t *ctx){ TRACE("\n");
return stack_push(ctx, jsval_null());}
/* ECMA-262 3rd Edition 7.8.2 */static HRESULT interp_bool(script_ctx_t *ctx){ const int arg = get_op_int(ctx, 0);
TRACE("%s\n", arg ? "true" : "false");
return stack_push(ctx, jsval_bool(arg));}
/* ECMA-262 3rd Edition 7.8.3 */static HRESULT interp_int(script_ctx_t *ctx){ const int arg = get_op_int(ctx, 0);
TRACE("%d\n", arg);
return stack_push(ctx, jsval_number(arg));}
/* ECMA-262 3rd Edition 7.8.3 */static HRESULT interp_double(script_ctx_t *ctx){ const double arg = get_op_double(ctx);
TRACE("%lf\n", arg);
return stack_push(ctx, jsval_number(arg));}
/* ECMA-262 3rd Edition 7.8.4 */static HRESULT interp_str(script_ctx_t *ctx){ jsstr_t *str = get_op_str(ctx, 0);
TRACE("%s\n", debugstr_jsstr(str));
return stack_push(ctx, jsval_string(jsstr_addref(str)));}
/* ECMA-262 3rd Edition 7.8 */static HRESULT interp_regexp(script_ctx_t *ctx){ jsstr_t *source = get_op_str(ctx, 0); const unsigned flags = get_op_uint(ctx, 1); jsdisp_t *regexp; HRESULT hres;
TRACE("%s %x\n", debugstr_jsstr(source), flags);
hres = create_regexp(ctx, source, flags, ®exp); if(FAILED(hres)) return hres;
return stack_push(ctx, jsval_obj(regexp));}
/* ECMA-262 3rd Edition 11.1.4 */static HRESULT interp_carray(script_ctx_t *ctx){ const unsigned arg = get_op_uint(ctx, 0); jsdisp_t *array; HRESULT hres;
TRACE("%u\n", arg);
hres = create_array(ctx, arg, &array); if(FAILED(hres)) return hres;
return stack_push(ctx, jsval_obj(array));}
static HRESULT interp_carray_set(script_ctx_t *ctx){ const unsigned index = get_op_uint(ctx, 0); jsval_t value, array; HRESULT hres;
value = stack_pop(ctx);
TRACE("[%u] = %s\n", index, debugstr_jsval(value));
array = stack_top(ctx); assert(is_object_instance(array));
hres = jsdisp_propput_idx(iface_to_jsdisp(get_object(array)), index, value); jsval_release(value); return hres;}
/* ECMA-262 3rd Edition 11.1.5 */static HRESULT interp_new_obj(script_ctx_t *ctx){ jsdisp_t *obj; HRESULT hres;
TRACE("\n");
hres = create_object(ctx, NULL, &obj); if(FAILED(hres)) return hres;
return stack_push(ctx, jsval_obj(obj));}
/* ECMA-262 3rd Edition 11.1.5 */static HRESULT interp_obj_prop(script_ctx_t *ctx){ jsstr_t *name_arg = get_op_str(ctx, 0); unsigned type = get_op_uint(ctx, 1); const WCHAR *name; jsdisp_t *obj; jsval_t val; HRESULT hres;
TRACE("%s\n", debugstr_jsstr(name_arg));
val = stack_pop(ctx);
/* FIXME: we should pass it as jsstr_t */ name = jsstr_flatten(name_arg);
assert(is_object_instance(stack_top(ctx))); obj = as_jsdisp(get_object(stack_top(ctx)));
if(type == PROPERTY_DEFINITION_VALUE) { hres = jsdisp_propput_name(obj, name, val); }else { property_desc_t desc = {PROPF_ENUMERABLE | PROPF_CONFIGURABLE}; jsdisp_t *func;
assert(is_object_instance(val)); func = iface_to_jsdisp(get_object(val));
desc.mask = desc.flags; if(type == PROPERTY_DEFINITION_GETTER) { desc.explicit_getter = TRUE; desc.getter = func; }else { desc.explicit_setter = TRUE; desc.setter = func; }
hres = jsdisp_define_property(obj, name, &desc); jsdisp_release(func); }
jsval_release(val); return hres;}
/* ECMA-262 3rd Edition 11.11 */static HRESULT interp_cnd_nz(script_ctx_t *ctx){ const unsigned arg = get_op_uint(ctx, 0); BOOL b; HRESULT hres;
TRACE("\n");
hres = to_boolean(stack_top(ctx), &b); if(FAILED(hres)) return hres;
if(b) { jmp_abs(ctx, arg); }else { stack_popn(ctx, 1); jmp_next(ctx); } return S_OK;}
/* ECMA-262 3rd Edition 11.11 */static HRESULT interp_cnd_z(script_ctx_t *ctx){ const unsigned arg = get_op_uint(ctx, 0); BOOL b; HRESULT hres;
TRACE("\n");
hres = to_boolean(stack_top(ctx), &b); if(FAILED(hres)) return hres;
if(b) { stack_popn(ctx, 1); jmp_next(ctx); }else { jmp_abs(ctx, arg); } return S_OK;}
/* ECMA-262 3rd Edition 11.10 */static HRESULT interp_or(script_ctx_t *ctx){ INT l, r; HRESULT hres;
TRACE("\n");
hres = stack_pop_int(ctx, &r); if(FAILED(hres)) return hres;
hres = stack_pop_int(ctx, &l); if(FAILED(hres)) return hres;
return stack_push(ctx, jsval_number(l|r));}
/* ECMA-262 3rd Edition 11.10 */static HRESULT interp_xor(script_ctx_t *ctx){ INT l, r; HRESULT hres;
TRACE("\n");
hres = stack_pop_int(ctx, &r); if(FAILED(hres)) return hres;
hres = stack_pop_int(ctx, &l); if(FAILED(hres)) return hres;
return stack_push(ctx, jsval_number(l^r));}
/* ECMA-262 3rd Edition 11.10 */static HRESULT interp_and(script_ctx_t *ctx){ INT l, r; HRESULT hres;
TRACE("\n");
hres = stack_pop_int(ctx, &r); if(FAILED(hres)) return hres;
hres = stack_pop_int(ctx, &l); if(FAILED(hres)) return hres;
return stack_push(ctx, jsval_number(l&r));}
/* ECMA-262 3rd Edition 11.8.6 */static HRESULT interp_instanceof(script_ctx_t *ctx){ jsdisp_t *obj, *iter, *tmp = NULL; jsval_t prot, v; BOOL ret = FALSE; HRESULT hres;
static const WCHAR prototypeW[] = {'p','r','o','t','o','t', 'y', 'p','e',0};
v = stack_pop(ctx); if(!is_object_instance(v) || !get_object(v)) { jsval_release(v); return throw_type_error(ctx, JS_E_FUNCTION_EXPECTED, NULL); }
obj = iface_to_jsdisp(get_object(v)); IDispatch_Release(get_object(v)); if(!obj) { FIXME("non-jsdisp objects not supported\n"); return E_FAIL; }
if(is_class(obj, JSCLASS_FUNCTION)) { hres = jsdisp_propget_name(obj, prototypeW, &prot); }else { hres = throw_type_error(ctx, JS_E_FUNCTION_EXPECTED, NULL); } jsdisp_release(obj); if(FAILED(hres)) return hres;
v = stack_pop(ctx);
if(is_object_instance(prot)) { if(is_object_instance(v)) tmp = iface_to_jsdisp(get_object(v)); for(iter = tmp; !ret && iter; iter = iter->prototype) { hres = disp_cmp(get_object(prot), to_disp(iter), &ret); if(FAILED(hres)) break; }
if(tmp) jsdisp_release(tmp); }else { FIXME("prototype is not an object\n"); hres = E_FAIL; }
jsval_release(prot); jsval_release(v); if(FAILED(hres)) return hres;
return stack_push(ctx, jsval_bool(ret));}
/* ECMA-262 3rd Edition 11.8.7 */static HRESULT interp_in(script_ctx_t *ctx){ const WCHAR *str; jsstr_t *jsstr; jsval_t obj, v; DISPID id = 0; BOOL ret; HRESULT hres;
TRACE("\n");
obj = stack_pop(ctx); if(!is_object_instance(obj) || !get_object(obj)) { jsval_release(obj); return throw_type_error(ctx, JS_E_OBJECT_EXPECTED, NULL); }
v = stack_pop(ctx); hres = to_flat_string(ctx, v, &jsstr, &str); jsval_release(v); if(FAILED(hres)) { IDispatch_Release(get_object(obj)); return hres; }
hres = disp_get_id(ctx, get_object(obj), str, NULL, 0, &id); IDispatch_Release(get_object(obj)); jsstr_release(jsstr); if(SUCCEEDED(hres)) ret = TRUE; else if(hres == DISP_E_UNKNOWNNAME) ret = FALSE; else return hres;
return stack_push(ctx, jsval_bool(ret));}
/* ECMA-262 3rd Edition 11.6.1 */static HRESULT add_eval(script_ctx_t *ctx, jsval_t lval, jsval_t rval, jsval_t *ret){ jsval_t r, l; HRESULT hres;
hres = to_primitive(ctx, lval, &l, NO_HINT); if(FAILED(hres)) return hres;
hres = to_primitive(ctx, rval, &r, NO_HINT); if(FAILED(hres)) { jsval_release(l); return hres; }
if(is_string(l) || is_string(r)) { jsstr_t *lstr, *rstr = NULL;
hres = to_string(ctx, l, &lstr); if(SUCCEEDED(hres)) hres = to_string(ctx, r, &rstr);
if(SUCCEEDED(hres)) { jsstr_t *ret_str;
ret_str = jsstr_concat(lstr, rstr); if(ret_str) *ret = jsval_string(ret_str); else hres = E_OUTOFMEMORY; }
jsstr_release(lstr); if(rstr) jsstr_release(rstr); }else { double nl, nr;
hres = to_number(ctx, l, &nl); if(SUCCEEDED(hres)) { hres = to_number(ctx, r, &nr); if(SUCCEEDED(hres)) *ret = jsval_number(nl+nr); } }
jsval_release(r); jsval_release(l); return hres;}
/* ECMA-262 3rd Edition 11.6.1 */static HRESULT interp_add(script_ctx_t *ctx){ jsval_t l, r, ret; HRESULT hres;
r = stack_pop(ctx); l = stack_pop(ctx);
TRACE("%s + %s\n", debugstr_jsval(l), debugstr_jsval(r));
hres = add_eval(ctx, l, r, &ret); jsval_release(l); jsval_release(r); if(FAILED(hres)) return hres;
return stack_push(ctx, ret);}
/* ECMA-262 3rd Edition 11.6.2 */static HRESULT interp_sub(script_ctx_t *ctx){ double l, r; HRESULT hres;
TRACE("\n");
hres = stack_pop_number(ctx, &r); if(FAILED(hres)) return hres;
hres = stack_pop_number(ctx, &l); if(FAILED(hres)) return hres;
return stack_push(ctx, jsval_number(l-r));}
/* ECMA-262 3rd Edition 11.5.1 */static HRESULT interp_mul(script_ctx_t *ctx){ double l, r; HRESULT hres;
TRACE("\n");
hres = stack_pop_number(ctx, &r); if(FAILED(hres)) return hres;
hres = stack_pop_number(ctx, &l); if(FAILED(hres)) return hres;
return stack_push(ctx, jsval_number(l*r));}
/* ECMA-262 3rd Edition 11.5.2 */static HRESULT interp_div(script_ctx_t *ctx){ double l, r; HRESULT hres;
TRACE("\n");
hres = stack_pop_number(ctx, &r); if(FAILED(hres)) return hres;
hres = stack_pop_number(ctx, &l); if(FAILED(hres)) return hres;
return stack_push(ctx, jsval_number(l/r));}
/* ECMA-262 3rd Edition 11.5.3 */static HRESULT interp_mod(script_ctx_t *ctx){ double l, r; HRESULT hres;
TRACE("\n");
hres = stack_pop_number(ctx, &r); if(FAILED(hres)) return hres;
hres = stack_pop_number(ctx, &l); if(FAILED(hres)) return hres;
return stack_push(ctx, jsval_number(fmod(l, r)));}
/* ECMA-262 3rd Edition 11.4.2 */static HRESULT interp_delete(script_ctx_t *ctx){ jsval_t objv, namev; IDispatch *obj; jsstr_t *name; BOOL ret; HRESULT hres;
TRACE("\n");
namev = stack_pop(ctx); objv = stack_pop(ctx);
hres = to_object(ctx, objv, &obj); jsval_release(objv); if(FAILED(hres)) { jsval_release(namev); return hres; }
hres = to_string(ctx, namev, &name); jsval_release(namev); if(FAILED(hres)) { IDispatch_Release(obj); return hres; }
hres = disp_delete_name(ctx, obj, name, &ret); IDispatch_Release(obj); jsstr_release(name); if(FAILED(hres)) return hres;
return stack_push(ctx, jsval_bool(ret));}
/* ECMA-262 3rd Edition 11.4.2 */static HRESULT interp_delete_ident(script_ctx_t *ctx){ const BSTR arg = get_op_bstr(ctx, 0); exprval_t exprval; BOOL ret; HRESULT hres;
TRACE("%s\n", debugstr_w(arg));
hres = identifier_eval(ctx, arg, &exprval); if(FAILED(hres)) return hres;
switch(exprval.type) { case EXPRVAL_STACK_REF: ret = FALSE; break; case EXPRVAL_IDREF: hres = disp_delete(exprval.u.idref.disp, exprval.u.idref.id, &ret); IDispatch_Release(exprval.u.idref.disp); if(FAILED(hres)) return hres; break; case EXPRVAL_INVALID: ret = TRUE; break; default: FIXME("Unsupported exprval\n"); exprval_release(&exprval); return E_NOTIMPL; }
return stack_push(ctx, jsval_bool(ret));}
/* ECMA-262 3rd Edition 11.4.2 */static HRESULT interp_void(script_ctx_t *ctx){ TRACE("\n");
stack_popn(ctx, 1); return stack_push(ctx, jsval_undefined());}
/* ECMA-262 3rd Edition 11.4.3 */static HRESULT typeof_string(jsval_t v, const WCHAR **ret){ switch(jsval_type(v)) { case JSV_UNDEFINED: *ret = undefinedW; break; case JSV_NULL: *ret = objectW; break; case JSV_OBJECT: { jsdisp_t *dispex;
if(get_object(v) && (dispex = iface_to_jsdisp(get_object(v)))) { *ret = is_class(dispex, JSCLASS_FUNCTION) ? functionW : objectW; jsdisp_release(dispex); }else { *ret = objectW; } break; } case JSV_STRING: *ret = stringW; break; case JSV_NUMBER: *ret = numberW; break; case JSV_BOOL: *ret = booleanW; break; case JSV_VARIANT: FIXME("unhandled variant %s\n", debugstr_variant(get_variant(v))); return E_NOTIMPL; }
return S_OK;}
/* ECMA-262 3rd Edition 11.4.3 */static HRESULT interp_typeofid(script_ctx_t *ctx){ const WCHAR *ret; exprval_t ref; jsval_t v; HRESULT hres;
TRACE("\n");
if(!stack_pop_exprval(ctx, &ref)) return stack_push(ctx, jsval_string(jsstr_undefined()));
hres = exprval_propget(ctx, &ref, &v); exprval_release(&ref); if(FAILED(hres)) return stack_push_string(ctx, unknownW);
hres = typeof_string(v, &ret); jsval_release(v); if(FAILED(hres)) return hres;
return stack_push_string(ctx, ret);}
/* ECMA-262 3rd Edition 11.4.3 */static HRESULT interp_typeofident(script_ctx_t *ctx){ const BSTR arg = get_op_bstr(ctx, 0); exprval_t exprval; const WCHAR *ret; jsval_t v; HRESULT hres;
TRACE("%s\n", debugstr_w(arg));
hres = identifier_eval(ctx, arg, &exprval); if(FAILED(hres)) return hres;
if(exprval.type == EXPRVAL_INVALID) return stack_push(ctx, jsval_string(jsstr_undefined()));
hres = exprval_to_value(ctx, &exprval, &v); if(FAILED(hres)) return hres;
hres = typeof_string(v, &ret); jsval_release(v); if(FAILED(hres)) return hres;
return stack_push_string(ctx, ret);}
/* ECMA-262 3rd Edition 11.4.3 */static HRESULT interp_typeof(script_ctx_t *ctx){ const WCHAR *ret; jsval_t v; HRESULT hres;
TRACE("\n");
v = stack_pop(ctx); hres = typeof_string(v, &ret); jsval_release(v); if(FAILED(hres)) return hres;
return stack_push_string(ctx, ret);}
/* ECMA-262 3rd Edition 11.4.7 */static HRESULT interp_minus(script_ctx_t *ctx){ double n; HRESULT hres;
TRACE("\n");
hres = stack_pop_number(ctx, &n); if(FAILED(hres)) return hres;
return stack_push(ctx, jsval_number(-n));}
/* ECMA-262 3rd Edition 11.4.6 */static HRESULT interp_tonum(script_ctx_t *ctx){ jsval_t v; double n; HRESULT hres;
TRACE("\n");
v = stack_pop(ctx); hres = to_number(ctx, v, &n); jsval_release(v); if(FAILED(hres)) return hres;
return stack_push(ctx, jsval_number(n));}
/* ECMA-262 3rd Edition 11.3.1 */static HRESULT interp_postinc(script_ctx_t *ctx){ const int arg = get_op_int(ctx, 0); exprval_t ref; jsval_t v; HRESULT hres;
TRACE("%d\n", arg);
if(!stack_pop_exprval(ctx, &ref)) return throw_type_error(ctx, JS_E_OBJECT_EXPECTED, NULL);
hres = exprval_propget(ctx, &ref, &v); if(SUCCEEDED(hres)) { double n;
hres = to_number(ctx, v, &n); if(SUCCEEDED(hres)) hres = exprval_propput(ctx, &ref, jsval_number(n+(double)arg)); if(FAILED(hres)) jsval_release(v); } exprval_release(&ref); if(FAILED(hres)) return hres;
return stack_push(ctx, v);}
/* ECMA-262 3rd Edition 11.4.4, 11.4.5 */static HRESULT interp_preinc(script_ctx_t *ctx){ const int arg = get_op_int(ctx, 0); exprval_t ref; double ret; jsval_t v; HRESULT hres;
TRACE("%d\n", arg);
if(!stack_pop_exprval(ctx, &ref)) return throw_type_error(ctx, JS_E_OBJECT_EXPECTED, NULL);
hres = exprval_propget(ctx, &ref, &v); if(SUCCEEDED(hres)) { double n;
hres = to_number(ctx, v, &n); jsval_release(v); if(SUCCEEDED(hres)) { ret = n+(double)arg; hres = exprval_propput(ctx, &ref, jsval_number(ret)); } } exprval_release(&ref); if(FAILED(hres)) return hres;
return stack_push(ctx, jsval_number(ret));}
/* ECMA-262 3rd Edition 11.9.3 */static HRESULT equal_values(script_ctx_t *ctx, jsval_t lval, jsval_t rval, BOOL *ret){ if(jsval_type(lval) == jsval_type(rval) || (is_number(lval) && is_number(rval))) return jsval_strict_equal(lval, rval, ret);
/* FIXME: NULL disps should be handled in more general way */ if(is_object_instance(lval) && !get_object(lval)) return equal_values(ctx, jsval_null(), rval, ret); if(is_object_instance(rval) && !get_object(rval)) return equal_values(ctx, lval, jsval_null(), ret);
if((is_null(lval) && is_undefined(rval)) || (is_undefined(lval) && is_null(rval))) { *ret = TRUE; return S_OK; }
if(is_string(lval) && is_number(rval)) { double n; HRESULT hres;
hres = to_number(ctx, lval, &n); if(FAILED(hres)) return hres;
/* FIXME: optimize */ return equal_values(ctx, jsval_number(n), rval, ret); }
if(is_string(rval) && is_number(lval)) { double n; HRESULT hres;
hres = to_number(ctx, rval, &n); if(FAILED(hres)) return hres;
/* FIXME: optimize */ return equal_values(ctx, lval, jsval_number(n), ret); }
if(is_bool(rval)) return equal_values(ctx, lval, jsval_number(get_bool(rval) ? 1 : 0), ret);
if(is_bool(lval)) return equal_values(ctx, jsval_number(get_bool(lval) ? 1 : 0), rval, ret);
if(is_object_instance(rval) && (is_string(lval) || is_number(lval))) { jsval_t prim; HRESULT hres;
hres = to_primitive(ctx, rval, &prim, NO_HINT); if(FAILED(hres)) return hres;
hres = equal_values(ctx, lval, prim, ret); jsval_release(prim); return hres; }
if(is_object_instance(lval) && (is_string(rval) || is_number(rval))) { jsval_t prim; HRESULT hres;
hres = to_primitive(ctx, lval, &prim, NO_HINT); if(FAILED(hres)) return hres;
hres = equal_values(ctx, prim, rval, ret); jsval_release(prim); return hres; }
*ret = FALSE; return S_OK;}
/* ECMA-262 3rd Edition 11.9.1 */static HRESULT interp_eq(script_ctx_t *ctx){ jsval_t l, r; BOOL b; HRESULT hres;
r = stack_pop(ctx); l = stack_pop(ctx);
TRACE("%s == %s\n", debugstr_jsval(l), debugstr_jsval(r));
hres = equal_values(ctx, l, r, &b); jsval_release(l); jsval_release(r); if(FAILED(hres)) return hres;
return stack_push(ctx, jsval_bool(b));}
/* ECMA-262 3rd Edition 11.9.2 */static HRESULT interp_neq(script_ctx_t *ctx){ jsval_t l, r; BOOL b; HRESULT hres;
r = stack_pop(ctx); l = stack_pop(ctx);
TRACE("%s != %s\n", debugstr_jsval(l), debugstr_jsval(r));
hres = equal_values(ctx, l, r, &b); jsval_release(l); jsval_release(r); if(FAILED(hres)) return hres;
return stack_push(ctx, jsval_bool(!b));}
/* ECMA-262 3rd Edition 11.9.4 */static HRESULT interp_eq2(script_ctx_t *ctx){ jsval_t l, r; BOOL b; HRESULT hres;
r = stack_pop(ctx); l = stack_pop(ctx);
TRACE("%s === %s\n", debugstr_jsval(l), debugstr_jsval(r));
hres = jsval_strict_equal(r, l, &b); jsval_release(l); jsval_release(r); if(FAILED(hres)) return hres;
return stack_push(ctx, jsval_bool(b));}
/* ECMA-262 3rd Edition 11.9.5 */static HRESULT interp_neq2(script_ctx_t *ctx){ jsval_t l, r; BOOL b; HRESULT hres;
TRACE("\n");
r = stack_pop(ctx); l = stack_pop(ctx);
hres = jsval_strict_equal(r, l, &b); jsval_release(l); jsval_release(r); if(FAILED(hres)) return hres;
return stack_push(ctx, jsval_bool(!b));}
/* ECMA-262 3rd Edition 11.8.5 */static HRESULT less_eval(script_ctx_t *ctx, jsval_t lval, jsval_t rval, BOOL greater, BOOL *ret){ double ln, rn; jsval_t l, r; HRESULT hres;
hres = to_primitive(ctx, lval, &l, NO_HINT); if(FAILED(hres)) return hres;
hres = to_primitive(ctx, rval, &r, NO_HINT); if(FAILED(hres)) { jsval_release(l); return hres; }
if(is_string(l) && is_string(r)) { *ret = (jsstr_cmp(get_string(l), get_string(r)) < 0) ^ greater; jsstr_release(get_string(l)); jsstr_release(get_string(r)); return S_OK; }
hres = to_number(ctx, l, &ln); jsval_release(l); if(SUCCEEDED(hres)) hres = to_number(ctx, r, &rn); jsval_release(r); if(FAILED(hres)) return hres;
*ret = !isnan(ln) && !isnan(rn) && ((ln < rn) ^ greater); return S_OK;}
/* ECMA-262 3rd Edition 11.8.1 */static HRESULT interp_lt(script_ctx_t *ctx){ jsval_t l, r; BOOL b; HRESULT hres;
r = stack_pop(ctx); l = stack_pop(ctx);
TRACE("%s < %s\n", debugstr_jsval(l), debugstr_jsval(r));
hres = less_eval(ctx, l, r, FALSE, &b); jsval_release(l); jsval_release(r); if(FAILED(hres)) return hres;
return stack_push(ctx, jsval_bool(b));}
/* ECMA-262 3rd Edition 11.8.1 */static HRESULT interp_lteq(script_ctx_t *ctx){ jsval_t l, r; BOOL b; HRESULT hres;
r = stack_pop(ctx); l = stack_pop(ctx);
TRACE("%s <= %s\n", debugstr_jsval(l), debugstr_jsval(r));
hres = less_eval(ctx, r, l, TRUE, &b); jsval_release(l); jsval_release(r); if(FAILED(hres)) return hres;
return stack_push(ctx, jsval_bool(b));}
/* ECMA-262 3rd Edition 11.8.2 */static HRESULT interp_gt(script_ctx_t *ctx){ jsval_t l, r; BOOL b; HRESULT hres;
r = stack_pop(ctx); l = stack_pop(ctx);
TRACE("%s > %s\n", debugstr_jsval(l), debugstr_jsval(r));
hres = less_eval(ctx, r, l, FALSE, &b); jsval_release(l); jsval_release(r); if(FAILED(hres)) return hres;
return stack_push(ctx, jsval_bool(b));}
/* ECMA-262 3rd Edition 11.8.4 */static HRESULT interp_gteq(script_ctx_t *ctx){ jsval_t l, r; BOOL b; HRESULT hres;
r = stack_pop(ctx); l = stack_pop(ctx);
TRACE("%s >= %s\n", debugstr_jsval(l), debugstr_jsval(r));
hres = less_eval(ctx, l, r, TRUE, &b); jsval_release(l); jsval_release(r); if(FAILED(hres)) return hres;
return stack_push(ctx, jsval_bool(b));}
/* ECMA-262 3rd Edition 11.4.8 */static HRESULT interp_bneg(script_ctx_t *ctx){ jsval_t v; INT i; HRESULT hres;
TRACE("\n");
v = stack_pop(ctx); hres = to_int32(ctx, v, &i); jsval_release(v); if(FAILED(hres)) return hres;
return stack_push(ctx, jsval_number(~i));}
/* ECMA-262 3rd Edition 11.4.9 */static HRESULT interp_neg(script_ctx_t *ctx){ jsval_t v; BOOL b; HRESULT hres;
TRACE("\n");
v = stack_pop(ctx); hres = to_boolean(v, &b); jsval_release(v); if(FAILED(hres)) return hres;
return stack_push(ctx, jsval_bool(!b));}
/* ECMA-262 3rd Edition 11.7.1 */static HRESULT interp_lshift(script_ctx_t *ctx){ DWORD r; INT l; HRESULT hres;
hres = stack_pop_uint(ctx, &r); if(FAILED(hres)) return hres;
hres = stack_pop_int(ctx, &l); if(FAILED(hres)) return hres;
return stack_push(ctx, jsval_number(l << (r&0x1f)));}
/* ECMA-262 3rd Edition 11.7.2 */static HRESULT interp_rshift(script_ctx_t *ctx){ DWORD r; INT l; HRESULT hres;
hres = stack_pop_uint(ctx, &r); if(FAILED(hres)) return hres;
hres = stack_pop_int(ctx, &l); if(FAILED(hres)) return hres;
return stack_push(ctx, jsval_number(l >> (r&0x1f)));}
/* ECMA-262 3rd Edition 11.7.3 */static HRESULT interp_rshift2(script_ctx_t *ctx){ DWORD r, l; HRESULT hres;
hres = stack_pop_uint(ctx, &r); if(FAILED(hres)) return hres;
hres = stack_pop_uint(ctx, &l); if(FAILED(hres)) return hres;
return stack_push(ctx, jsval_number(l >> (r&0x1f)));}
/* ECMA-262 3rd Edition 11.13.1 */static HRESULT interp_assign(script_ctx_t *ctx){ exprval_t ref; jsval_t v; HRESULT hres;
TRACE("\n");
v = stack_pop(ctx);
if(!stack_pop_exprval(ctx, &ref)) { jsval_release(v); return throw_reference_error(ctx, JS_E_ILLEGAL_ASSIGN, NULL); }
hres = exprval_propput(ctx, &ref, v); exprval_release(&ref); if(FAILED(hres)) { jsval_release(v); return hres; }
return stack_push(ctx, v);}
/* JScript extension */static HRESULT interp_assign_call(script_ctx_t *ctx){ const unsigned argc = get_op_uint(ctx, 0); exprval_t ref; jsval_t v; HRESULT hres;
TRACE("%u\n", argc);
if(!stack_topn_exprval(ctx, argc+1, &ref)) return throw_reference_error(ctx, JS_E_ILLEGAL_ASSIGN, NULL);
hres = exprval_call(ctx, &ref, DISPATCH_PROPERTYPUT, argc+1, stack_args(ctx, argc+1), NULL); if(FAILED(hres)) return hres;
v = stack_pop(ctx); stack_popn(ctx, argc+2); return stack_push(ctx, v);}
static HRESULT interp_undefined(script_ctx_t *ctx){ TRACE("\n");
return stack_push(ctx, jsval_undefined());}
static HRESULT interp_jmp(script_ctx_t *ctx){ const unsigned arg = get_op_uint(ctx, 0);
TRACE("%u\n", arg);
jmp_abs(ctx, arg); return S_OK;}
static HRESULT interp_jmp_z(script_ctx_t *ctx){ const unsigned arg = get_op_uint(ctx, 0); BOOL b; jsval_t v; HRESULT hres;
TRACE("\n");
v = stack_pop(ctx); hres = to_boolean(v, &b); jsval_release(v); if(FAILED(hres)) return hres;
if(b) jmp_next(ctx); else jmp_abs(ctx, arg); return S_OK;}
static HRESULT interp_pop(script_ctx_t *ctx){ const unsigned arg = get_op_uint(ctx, 0);
TRACE("%u\n", arg);
stack_popn(ctx, arg); return S_OK;}
static HRESULT interp_ret(script_ctx_t *ctx){ const unsigned clear_ret = get_op_uint(ctx, 0); call_frame_t *frame = ctx->call_ctx;
TRACE("\n");
if(clear_ret) jsval_release(steal_ret(frame));
if((frame->flags & EXEC_CONSTRUCTOR) && !is_object_instance(frame->ret)) { jsval_release(frame->ret); IDispatch_AddRef(frame->this_obj); frame->ret = jsval_disp(frame->this_obj); }
jmp_abs(ctx, -1); return S_OK;}
static HRESULT interp_setret(script_ctx_t *ctx){ call_frame_t *frame = ctx->call_ctx;
TRACE("\n");
jsval_release(frame->ret); frame->ret = stack_pop(ctx); return S_OK;}
static HRESULT interp_push_acc(script_ctx_t *ctx){ HRESULT hres;
TRACE("\n");
hres = stack_push(ctx, ctx->acc); if(SUCCEEDED(hres)) ctx->acc = jsval_undefined(); return hres;}
typedef HRESULT (*op_func_t)(script_ctx_t*);
static const op_func_t op_funcs[] = {#define X(x,a,b,c) interp_##x,OP_LIST#undef X};
static const unsigned op_move[] = {#define X(a,x,b,c) x,OP_LIST#undef X};
static void pop_call_frame(script_ctx_t *ctx){ call_frame_t *frame = ctx->call_ctx;
frame->stack_base -= frame->pop_locals + frame->pop_variables;
assert(frame->scope == frame->base_scope);
/* If current scope will be kept alive, we need to transfer local variables to its variable object. */ if(frame->scope && frame->scope->ref > 1) { HRESULT hres = detach_variable_object(ctx, frame, TRUE); if(FAILED(hres)) ERR("Failed to detach variable object: %08x\n", hres); }
if(frame->arguments_obj) detach_arguments_object(frame->arguments_obj); if(frame->scope) scope_release(frame->scope);
if(frame->pop_variables) stack_popn(ctx, frame->pop_variables); stack_popn(ctx, frame->pop_locals);
ctx->call_ctx = frame->prev_frame;
if(frame->function_instance) jsdisp_release(frame->function_instance); if(frame->variable_obj) jsdisp_release(frame->variable_obj); if(frame->this_obj) IDispatch_Release(frame->this_obj); jsval_release(frame->ret); release_bytecode(frame->bytecode); heap_free(frame);}
static void print_backtrace(script_ctx_t *ctx){ unsigned depth = 0, i; call_frame_t *frame;
for(frame = ctx->call_ctx; frame; frame = frame->prev_frame) { WARN("%u\t", depth); depth++;
if(frame->this_obj && frame->this_obj != to_disp(ctx->global) && frame->this_obj != ctx->host_global) WARN("%p->", frame->this_obj); WARN("%s(", frame->function->name ? debugstr_w(frame->function->name) : "[unnamed]"); if(frame->base_scope && frame->base_scope->frame) { for(i=0; i < frame->argc; i++) { if(i < frame->function->param_cnt) WARN("%s%s=%s", i ? ", " : "", debugstr_w(frame->function->params[i]), debugstr_jsval(ctx->stack[local_off(frame, -i-1)])); else WARN("%s%s", i ? ", " : "", debugstr_jsval(ctx->stack[local_off(frame, -i-1)])); } }else { WARN("[detached frame]"); } WARN(")\n");
if(!(frame->flags & EXEC_RETURN_TO_INTERP)) { WARN("%u\t[native code]\n", depth); depth++; } }}
static HRESULT unwind_exception(script_ctx_t *ctx, HRESULT exception_hres){ except_frame_t *except_frame; call_frame_t *frame; jsval_t except_val; unsigned catch_off; HRESULT hres;
if(WARN_ON(jscript)) { jsdisp_t *error_obj; jsval_t msg;
static const WCHAR messageW[] = {'m','e','s','s','a','g','e',0};
WARN("Exception %08x %s", exception_hres, debugstr_jsval(ctx->ei.val)); if(jsval_type(ctx->ei.val) == JSV_OBJECT) { error_obj = to_jsdisp(get_object(ctx->ei.val)); if(error_obj) { hres = jsdisp_propget_name(error_obj, messageW, &msg); if(SUCCEEDED(hres)) { WARN(" (message %s)", debugstr_jsval(msg)); jsval_release(msg); } } } WARN(" in:\n");
print_backtrace(ctx); }
for(frame = ctx->call_ctx; !frame->except_frame; frame = ctx->call_ctx) { DWORD flags;
while(frame->scope != frame->base_scope) scope_pop(&frame->scope);
stack_popn(ctx, ctx->stack_top-frame->stack_base);
flags = frame->flags; pop_call_frame(ctx); if(!(flags & EXEC_RETURN_TO_INTERP)) return exception_hres; }
except_frame = frame->except_frame; catch_off = except_frame->catch_off;
assert(except_frame->stack_top <= ctx->stack_top); stack_popn(ctx, ctx->stack_top - except_frame->stack_top);
while(except_frame->scope != frame->scope) scope_pop(&frame->scope);
frame->ip = catch_off ? catch_off : except_frame->finally_off; if(catch_off) assert(frame->bytecode->instrs[frame->ip].op == OP_enter_catch);
except_val = ctx->ei.val; ctx->ei.val = jsval_undefined(); clear_ei(ctx);
/* keep current except_frame if we're entering catch block with finally block associated */ if(catch_off && except_frame->finally_off) { except_frame->catch_off = 0; }else { frame->except_frame = except_frame->next; heap_free(except_frame); }
hres = stack_push(ctx, except_val); if(FAILED(hres)) return hres;
if(!catch_off) hres = stack_push(ctx, jsval_bool(FALSE)); return hres;}
static HRESULT enter_bytecode(script_ctx_t *ctx, jsval_t *r){ call_frame_t *frame; jsop_t op; HRESULT hres = S_OK;
TRACE("\n");
while(1) { frame = ctx->call_ctx; op = frame->bytecode->instrs[frame->ip].op; hres = op_funcs[op](ctx); if(FAILED(hres)) { hres = unwind_exception(ctx, hres); if(FAILED(hres)) return hres; }else if(frame->ip == -1) { const DWORD return_to_interp = frame->flags & EXEC_RETURN_TO_INTERP;
assert(ctx->stack_top == frame->stack_base); assert(frame->scope == frame->base_scope);
if(return_to_interp) { jsval_release(ctx->acc); ctx->acc = steal_ret(frame); }else if(r) { *r = steal_ret(frame); } pop_call_frame(ctx); if(!return_to_interp) break; }else { frame->ip += op_move[op]; } }
return S_OK;}
static HRESULT bind_event_target(script_ctx_t *ctx, function_code_t *func, jsdisp_t *func_obj){ IBindEventHandler *target; exprval_t exprval; IDispatch *disp; jsval_t v; HRESULT hres;
hres = identifier_eval(ctx, func->event_target, &exprval); if(FAILED(hres)) return hres;
hres = exprval_to_value(ctx, &exprval, &v); if(FAILED(hres)) return hres;
if(!is_object_instance(v)) { FIXME("Can't bind to %s\n", debugstr_jsval(v)); jsval_release(v); }
disp = get_object(v); hres = IDispatch_QueryInterface(disp, &IID_IBindEventHandler, (void**)&target); if(SUCCEEDED(hres)) { hres = IBindEventHandler_BindHandler(target, func->name, (IDispatch*)&func_obj->IDispatchEx_iface); IBindEventHandler_Release(target); if(FAILED(hres)) WARN("BindEvent failed: %08x\n", hres); }else { FIXME("No IBindEventHandler, not yet supported binding\n"); }
IDispatch_Release(disp); return hres;}
static HRESULT setup_scope(script_ctx_t *ctx, call_frame_t *frame, scope_chain_t *scope_chain, jsdisp_t *variable_object, unsigned argc, jsval_t *argv){ const unsigned orig_stack = ctx->stack_top; scope_chain_t *scope; unsigned i; jsval_t v; HRESULT hres;
/* If arguments are already on the stack, we may use them. */ if(argv + argc == ctx->stack + ctx->stack_top) { frame->arguments_off = argv - ctx->stack; i = argc; }else { frame->arguments_off = ctx->stack_top; for(i = 0; i < argc; i++) { hres = jsval_copy(argv[i], &v); if(SUCCEEDED(hres)) hres = stack_push(ctx, v); if(FAILED(hres)) { stack_popn(ctx, i); return hres; } } }
/* If fewer than declared arguments were passed, fill remaining with undefined value. */ for(; i < frame->function->param_cnt; i++) { hres = stack_push(ctx, jsval_undefined()); if(FAILED(hres)) { stack_popn(ctx, ctx->stack_top - orig_stack); return hres; } }
frame->pop_locals = ctx->stack_top - orig_stack;
frame->variables_off = ctx->stack_top;
for(i = 0; i < frame->function->var_cnt; i++) { hres = stack_push(ctx, jsval_undefined()); if(FAILED(hres)) { stack_popn(ctx, ctx->stack_top - orig_stack); return hres; } }
frame->pop_variables = i;
hres = scope_push(scope_chain, variable_object, to_disp(variable_object), &scope); if(FAILED(hres)) { stack_popn(ctx, ctx->stack_top - orig_stack); return hres; }
for(i = 0; i < frame->function->func_cnt; i++) { if(frame->function->funcs[i].name && !frame->function->funcs[i].event_target) { jsdisp_t *func_obj; unsigned off;
hres = create_source_function(ctx, frame->bytecode, frame->function->funcs+i, scope, &func_obj); if(FAILED(hres)) { stack_popn(ctx, ctx->stack_top - orig_stack); scope_release(scope); return hres; }
off = local_off(frame, frame->function->funcs[i].local_ref); jsval_release(ctx->stack[off]); ctx->stack[off] = jsval_obj(func_obj); } }
scope->frame = frame; frame->base_scope = frame->scope = scope; return S_OK;}
HRESULT exec_source(script_ctx_t *ctx, DWORD flags, bytecode_t *bytecode, function_code_t *function, scope_chain_t *scope, IDispatch *this_obj, jsdisp_t *function_instance, jsdisp_t *variable_obj, unsigned argc, jsval_t *argv, jsval_t *r){ call_frame_t *frame; unsigned i; HRESULT hres;
for(i = 0; i < function->func_cnt; i++) { jsdisp_t *func_obj;
if(!function->funcs[i].event_target) continue;
hres = create_source_function(ctx, bytecode, function->funcs+i, scope, &func_obj); if(FAILED(hres)) return hres;
hres = bind_event_target(ctx, function->funcs+i, func_obj); jsdisp_release(func_obj); if(FAILED(hres)) return hres; }
if(flags & (EXEC_GLOBAL | EXEC_EVAL)) { for(i=0; i < function->var_cnt; i++) { TRACE("[%d] %s %d\n", i, debugstr_w(function->variables[i].name), function->variables[i].func_id); if(function->variables[i].func_id != -1) { jsdisp_t *func_obj;
hres = create_source_function(ctx, bytecode, function->funcs+function->variables[i].func_id, scope, &func_obj); if(FAILED(hres)) return hres;
hres = jsdisp_propput_name(variable_obj, function->variables[i].name, jsval_obj(func_obj)); jsdisp_release(func_obj); }else if(!(flags & EXEC_GLOBAL) || !lookup_global_members(ctx, function->variables[i].name, NULL)) { DISPID id = 0;
hres = jsdisp_get_id(variable_obj, function->variables[i].name, fdexNameEnsure, &id); if(FAILED(hres)) return hres; } } }
/* ECMA-262 3rd Edition 11.2.3.7 */ if(this_obj) { jsdisp_t *jsthis;
jsthis = iface_to_jsdisp(this_obj); if(jsthis) { if(jsthis->builtin_info->class == JSCLASS_GLOBAL || jsthis->builtin_info->class == JSCLASS_NONE) this_obj = NULL; jsdisp_release(jsthis); } }
if(ctx->call_ctx && (flags & EXEC_EVAL)) { hres = detach_variable_object(ctx, ctx->call_ctx, FALSE); if(FAILED(hres)) return hres; }
frame = heap_alloc_zero(sizeof(*frame)); if(!frame) return E_OUTOFMEMORY;
frame->function = function; frame->ret = jsval_undefined(); frame->argc = argc; frame->bytecode = bytecode_addref(bytecode);
if(!(flags & (EXEC_GLOBAL|EXEC_EVAL))) { hres = setup_scope(ctx, frame, scope, variable_obj, argc, argv); if(FAILED(hres)) { release_bytecode(frame->bytecode); heap_free(frame); return hres; } }else if(scope) { frame->base_scope = frame->scope = scope_addref(scope); }
frame->ip = function->instr_off; frame->stack_base = ctx->stack_top; if(this_obj) frame->this_obj = this_obj; else if(ctx->host_global) frame->this_obj = ctx->host_global; else frame->this_obj = to_disp(ctx->global); IDispatch_AddRef(frame->this_obj);
if(function_instance) frame->function_instance = jsdisp_addref(function_instance);
frame->flags = flags; frame->variable_obj = jsdisp_addref(variable_obj);
frame->prev_frame = ctx->call_ctx; ctx->call_ctx = frame;
if(flags & EXEC_RETURN_TO_INTERP) { /* * We're called directly from interpreter, so we may just setup call frame and return. * Already running interpreter will take care of execution. */ if(r) *r = jsval_undefined(); return S_OK; }
return enter_bytecode(ctx, r);}