X-Git-Url: https://git.saurik.com/cycript.git/blobdiff_plain/02873b722f8aed4f64b6ed533f1fa4c0eae457f7..c1d3e52e58e86c49f9d04e06ae8e0ece4b98250c:/Execute.cpp diff --git a/Execute.cpp b/Execute.cpp index eb1970e..a3c69f5 100644 --- a/Execute.cpp +++ b/Execute.cpp @@ -1,21 +1,21 @@ /* Cycript - Optimizing JavaScript Compiler/Runtime - * Copyright (C) 2009-2013 Jay Freeman (saurik) + * Copyright (C) 2009-2015 Jay Freeman (saurik) */ -/* GNU General Public License, Version 3 {{{ */ +/* GNU Affero General Public License, Version 3 {{{ */ /* - * Cycript is free software: you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published - * by the Free Software Foundation, either version 3 of the License, - * or (at your option) any later version. - * - * Cycript is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU Affero General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + + * This program 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 General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with Cycript. If not, see . + * GNU Affero General Public License for more details. + + * You should have received a copy of the GNU Affero General Public License + * along with this program. If not, see . **/ /* }}} */ @@ -44,16 +44,26 @@ #include #include -#include "Parser.hpp" - +#include "Code.hpp" #include "Decode.hpp" #include "Error.hpp" #include "JavaScript.hpp" #include "String.hpp" -struct CYHooks *hooks_; +static std::vector &GetHooks() { + static std::vector hooks; + return hooks; +} + +CYRegisterHook::CYRegisterHook(CYHook *hook) { + GetHooks().push_back(hook); +} /* JavaScript Properties {{{ */ +bool CYHasProperty(JSContextRef context, JSObjectRef object, JSStringRef name) { + return JSObjectHasProperty(context, object, name); +} + JSValueRef CYGetProperty(JSContextRef context, JSObjectRef object, size_t index) { return _jsccall(JSObjectGetPropertyAtIndex, context, object, index); } @@ -73,6 +83,11 @@ void CYSetProperty(JSContextRef context, JSObjectRef object, JSStringRef name, J void CYSetProperty(JSContextRef context, JSObjectRef object, JSStringRef name, JSValueRef (*callback)(JSContextRef, JSObjectRef, JSObjectRef, size_t, const JSValueRef[], JSValueRef *), JSPropertyAttributes attributes) { CYSetProperty(context, object, name, JSObjectMakeFunctionWithCallback(context, name, callback), attributes); } + +void CYSetPrototype(JSContextRef context, JSObjectRef object, JSValueRef value) { + JSObjectSetPrototype(context, object, value); + _assert(CYIsStrictEqual(context, JSObjectGetPrototype(context, object), value)); +} /* }}} */ /* JavaScript Strings {{{ */ JSStringRef CYCopyJSString(const char *value) { @@ -127,6 +142,7 @@ static JSClassRef Struct_; JSStringRef Array_s; JSStringRef cy_s; +JSStringRef cyi_s; JSStringRef length_s; JSStringRef message_s; JSStringRef name_s; @@ -138,6 +154,7 @@ JSStringRef toCYON_s; JSStringRef toJSON_s; JSStringRef toPointer_s; JSStringRef toString_s; +JSStringRef weak_s; static JSStringRef Result_; @@ -151,7 +168,6 @@ void CYFinalize(JSObjectRef object) { void Structor_(CYPool &pool, sig::Type *&type) { if ( type->primitive == sig::pointer_P && - type->data.data.type != NULL && type->data.data.type->primitive == sig::struct_P && type->data.data.type->name != NULL && strcmp(type->data.data.type->name, "_objc_class") == 0 @@ -226,9 +242,6 @@ struct Struct_privateData : } }; -typedef std::map TypeMap; -static TypeMap Types_; - JSObjectRef CYMakeStruct(JSContextRef context, void *data, sig::Type *type, ffi_type *ffi, JSObjectRef owner) { Struct_privateData *internal(new Struct_privateData(context, owner)); CYPool &pool(*internal->pool_); @@ -248,6 +261,10 @@ JSObjectRef CYMakeStruct(JSContextRef context, void *data, sig::Type *type, ffi_ } static void *CYCastSymbol(const char *name) { + for (CYHook *hook : GetHooks()) + if (hook->CastSymbol != NULL) + if (void *value = (*hook->CastSymbol)(name)) + return value; return dlsym(RTLD_DEFAULT, name); } @@ -307,6 +324,14 @@ bool CYIsCallable(JSContextRef context, JSValueRef value) { return value != NULL && JSValueIsObject(context, value) && JSObjectIsFunction(context, (JSObjectRef) value); } +bool CYIsEqual(JSContextRef context, JSValueRef lhs, JSValueRef rhs) { + return _jsccall(JSValueIsEqual, context, lhs, rhs); +} + +bool CYIsStrictEqual(JSContextRef context, JSValueRef lhs, JSValueRef rhs) { + return JSValueIsStrictEqual(context, lhs, rhs); +} + size_t CYArrayLength(JSContextRef context, JSObjectRef array) { return CYCastDouble(context, CYGetProperty(context, array, length_s)); } @@ -341,12 +366,18 @@ static JSValueRef $cyq(JSContextRef context, JSObjectRef object, JSObjectRef _th return CYCastJSValue(context, name); } CYCatch(NULL) } +static void (*JSSynchronousGarbageCollectForDebugging$)(JSContextRef); + +void CYGarbageCollect(JSContextRef context) { + (JSSynchronousGarbageCollectForDebugging$ ?: &JSGarbageCollect)(context); +} + static JSValueRef Cycript_gc_callAsFunction(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry { - JSGarbageCollect(context); + CYGarbageCollect(context); return CYJSUndefined(context); } CYCatch(NULL) } -const char *CYPoolCCYON(CYPool &pool, JSContextRef context, JSValueRef value, JSValueRef *exception) { CYTry { +const char *CYPoolCCYON(CYPool &pool, JSContextRef context, JSValueRef value, std::set &objects, JSValueRef *exception) { CYTry { switch (JSType type = JSValueGetType(context, value)) { case kJSTypeUndefined: return "undefined"; @@ -371,20 +402,31 @@ const char *CYPoolCCYON(CYPool &pool, JSContextRef context, JSValueRef value, JS } break; case kJSTypeObject: - return CYPoolCCYON(pool, context, (JSObjectRef) value); + return CYPoolCCYON(pool, context, (JSObjectRef) value, objects); default: throw CYJSError(context, "JSValueGetType() == 0x%x", type); } } CYCatch(NULL) } -const char *CYPoolCCYON(CYPool &pool, JSContextRef context, JSValueRef value) { - return _jsccall(CYPoolCCYON, pool, context, value); +const char *CYPoolCCYON(CYPool &pool, JSContextRef context, JSValueRef value, std::set &objects) { + return _jsccall(CYPoolCCYON, pool, context, value, objects); +} + +const char *CYPoolCCYON(CYPool &pool, JSContextRef context, JSValueRef value, std::set *objects) { + if (objects != NULL) + return CYPoolCCYON(pool, context, value, *objects); + else { + std::set objects; + return CYPoolCCYON(pool, context, value, objects); + } } -const char *CYPoolCCYON(CYPool &pool, JSContextRef context, JSObjectRef object) { +const char *CYPoolCCYON(CYPool &pool, JSContextRef context, JSObjectRef object, std::set &objects) { JSValueRef toCYON(CYGetProperty(context, object, toCYON_s)); if (CYIsCallable(context, toCYON)) { - JSValueRef value(CYCallAsFunction(context, (JSObjectRef) toCYON, object, 0, NULL)); + // XXX: this needs to be abstracted behind some kind of function + JSValueRef arguments[1] = {CYCastJSValue(context, static_cast(reinterpret_cast(&objects)))}; + JSValueRef value(CYCallAsFunction(context, (JSObjectRef) toCYON, object, 1, arguments)); _assert(value != NULL); return CYPoolCString(pool, context, value); } @@ -392,7 +434,7 @@ const char *CYPoolCCYON(CYPool &pool, JSContextRef context, JSObjectRef object) JSValueRef toJSON(CYGetProperty(context, object, toJSON_s)); if (CYIsCallable(context, toJSON)) { JSValueRef arguments[1] = {CYCastJSValue(context, CYJSString(""))}; - return _jsccall(CYPoolCCYON, pool, context, CYCallAsFunction(context, (JSObjectRef) toJSON, object, 1, arguments)); + return _jsccall(CYPoolCCYON, pool, context, CYCallAsFunction(context, (JSObjectRef) toJSON, object, 1, arguments), objects); } if (JSObjectIsFunction(context, object)) { @@ -405,6 +447,8 @@ const char *CYPoolCCYON(CYPool &pool, JSContextRef context, JSObjectRef object) } } + _assert(objects.insert(object).second); + std::ostringstream str; str << '{'; @@ -432,7 +476,7 @@ const char *CYPoolCCYON(CYPool &pool, JSContextRef context, JSObjectRef object) try { JSValueRef value(CYGetProperty(context, object, name)); - str << CYPoolCCYON(pool, context, value); + str << CYPoolCCYON(pool, context, value, objects); } catch (const CYException &error) { str << "@error"; } @@ -446,7 +490,19 @@ const char *CYPoolCCYON(CYPool &pool, JSContextRef context, JSObjectRef object) return pool.strmemdup(string.c_str(), string.size()); } +std::set *CYCastObjects(JSContextRef context, JSObjectRef _this, size_t count, const JSValueRef arguments[]) { + if (count == 0) + return NULL; + return CYCastPointer *>(context, arguments[0]); +} + static JSValueRef Array_callAsFunction_toCYON(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry { + std::set *objects(CYCastObjects(context, _this, count, arguments)); + // XXX: this is horribly inefficient + std::set backup; + if (objects == NULL) + objects = &backup; + CYPool pool; std::ostringstream str; @@ -464,7 +520,7 @@ static JSValueRef Array_callAsFunction_toCYON(JSContextRef context, JSObjectRef try { JSValueRef value(CYGetProperty(context, _this, index)); if (!JSValueIsUndefined(context, value)) - str << CYPoolCCYON(pool, context, value); + str << CYPoolCCYON(pool, context, value, *objects); else { str << ','; comma = false; @@ -496,11 +552,11 @@ JSObjectRef CYMakePointer(JSContextRef context, void *pointer, size_t length, si return JSObjectMake(context, Pointer_, internal); } -static JSObjectRef CYMakeFunctor(JSContextRef context, void (*function)(), const char *type) { - return JSObjectMake(context, Functor_, new cy::Functor(type, function)); +static JSObjectRef CYMakeFunctor(JSContextRef context, void (*function)(), const sig::Signature &signature) { + return JSObjectMake(context, Functor_, new cy::Functor(signature, function)); } -static JSObjectRef CYMakeFunctor(JSContextRef context, const char *symbol, const char *type, void **cache) { +static JSObjectRef CYMakeFunctor(JSContextRef context, const char *symbol, const char *encoding, void **cache) { cy::Functor *internal; if (*cache != NULL) internal = reinterpret_cast(*cache); @@ -509,7 +565,7 @@ static JSObjectRef CYMakeFunctor(JSContextRef context, const char *symbol, const if (function == NULL) return NULL; - internal = new cy::Functor(type, function); + internal = new cy::Functor(encoding, function); *cache = internal; } @@ -522,7 +578,9 @@ static bool CYGetOffset(CYPool &pool, JSContextRef context, JSStringRef value, s } void *CYCastPointer_(JSContextRef context, JSValueRef value) { - switch (JSValueGetType(context, value)) { + if (value == NULL) + return NULL; + else switch (JSValueGetType(context, value)) { case kJSTypeNull: return NULL; case kJSTypeObject: { @@ -631,9 +689,10 @@ void CYPoolFFI(CYPool *pool, JSContextRef context, sig::Type *type, ffi_type *ff break; default: - if (hooks_ != NULL && hooks_->PoolFFI != NULL) - if ((*hooks_->PoolFFI)(pool, context, type, ffi, data, value)) - return; + for (CYHook *hook : GetHooks()) + if (hook->PoolFFI != NULL) + if ((*hook->PoolFFI)(pool, context, type, ffi, data, value)) + return; CYThrow("unimplemented signature code: '%c''\n", type->primitive); } @@ -684,9 +743,10 @@ JSValueRef CYFromFFI(JSContextRef context, sig::Type *type, ffi_type *ffi, void null: return CYJSNull(context); default: - if (hooks_ != NULL && hooks_->FromFFI != NULL) - if (JSValueRef value = (*hooks_->FromFFI)(context, type, ffi, data, initialize, owner)) - return value; + for (CYHook *hook : GetHooks()) + if (hook->FromFFI != NULL) + if (JSValueRef value = (*hook->FromFFI)(context, type, ffi, data, initialize, owner)) + return value; CYThrow("unimplemented signature code: '%c''\n", type->primitive); } @@ -715,12 +775,12 @@ static void FunctionClosure_(ffi_cif *cif, void *result, void **arguments, void CYExecuteClosure(cif, result, arguments, arg, &FunctionAdapter_); } -Closure_privateData *CYMakeFunctor_(JSContextRef context, JSObjectRef function, const char *type, void (*callback)(ffi_cif *, void *, void **, void *)) { +Closure_privateData *CYMakeFunctor_(JSContextRef context, JSObjectRef function, const sig::Signature &signature, void (*callback)(ffi_cif *, void *, void **, void *)) { // XXX: in case of exceptions this will leak // XXX: in point of fact, this may /need/ to leak :( - Closure_privateData *internal(new Closure_privateData(context, function, type)); + Closure_privateData *internal(new Closure_privateData(context, function, signature)); -#if defined(__APPLE__) && defined(__arm__) +#if defined(__APPLE__) && (defined(__arm__) || defined(__arm64__)) void *executable; ffi_closure *writable(reinterpret_cast(ffi_closure_alloc(sizeof(ffi_closure), &executable))); @@ -746,28 +806,32 @@ Closure_privateData *CYMakeFunctor_(JSContextRef context, JSObjectRef function, return internal; } -static JSObjectRef CYMakeFunctor(JSContextRef context, JSObjectRef function, const char *type) { - Closure_privateData *internal(CYMakeFunctor_(context, function, type, &FunctionClosure_)); +static JSObjectRef CYMakeFunctor(JSContextRef context, JSObjectRef function, const sig::Signature &signature) { + Closure_privateData *internal(CYMakeFunctor_(context, function, signature, &FunctionClosure_)); JSObjectRef object(JSObjectMake(context, Functor_, internal)); // XXX: see above notes about needing to leak JSValueProtect(CYGetJSContext(context), object); return object; } +JSValueRef CYGetCachedValue(JSContextRef context, JSStringRef name) { + return CYGetProperty(context, CYCastJSObject(context, CYGetProperty(context, CYGetGlobalObject(context), cy_s)), name); +} + JSObjectRef CYGetCachedObject(JSContextRef context, JSStringRef name) { - return CYCastJSObject(context, CYGetProperty(context, CYCastJSObject(context, CYGetProperty(context, CYGetGlobalObject(context), cy_s)), name)); + return CYCastJSObject(context, CYGetCachedValue(context, name)); } -static JSObjectRef CYMakeFunctor(JSContextRef context, JSValueRef value, const char *type) { +static JSObjectRef CYMakeFunctor(JSContextRef context, JSValueRef value, const sig::Signature &signature) { JSObjectRef Function(CYGetCachedObject(context, CYJSString("Function"))); bool function(_jsccall(JSValueIsInstanceOfConstructor, context, value, Function)); if (function) { JSObjectRef function(CYCastJSObject(context, value)); - return CYMakeFunctor(context, function, type); + return CYMakeFunctor(context, function, signature); } else { void (*function)()(CYCastPointer(context, value)); - return CYMakeFunctor(context, function, type); + return CYMakeFunctor(context, function, signature); } } @@ -822,9 +886,9 @@ static JSValueRef Pointer_getProperty(JSContextRef context, JSObjectRef object, return internal->length_ == _not(size_t) ? CYJSUndefined(context) : CYCastJSValue(context, internal->length_); Type_privateData *typical(internal->type_); - if (typical->type_ == NULL) return NULL; + sig::Type &type(*typical->type_); ssize_t offset; if (JSStringIsEqualToUTF8CString(property, "$cyi")) @@ -832,13 +896,16 @@ static JSValueRef Pointer_getProperty(JSContextRef context, JSObjectRef object, else if (!CYGetOffset(pool, context, property, offset)) return NULL; + if (type.primitive == sig::function_P) + return CYMakeFunctor(context, reinterpret_cast(internal->value_), type.data.signature); + ffi_type *ffi(typical->GetFFI()); uint8_t *base(reinterpret_cast(internal->value_)); base += ffi->size * offset; JSObjectRef owner(internal->GetOwner() ?: object); - return CYFromFFI(context, typical->type_, ffi, base, false, owner); + return CYFromFFI(context, &type, ffi, base, false, owner); } CYCatch(NULL) } static bool Pointer_setProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef value, JSValueRef *exception) { CYTry { @@ -945,11 +1012,15 @@ JSValueRef CYCallFunction(CYPool &pool, JSContextRef context, size_t setups, voi uint8_t value[cif->rtype->size]; - if (hooks_ != NULL && hooks_->CallFunction != NULL) - (*hooks_->CallFunction)(context, cif, function, value, values); - else - ffi_call(cif, function, value, values); + for (CYHook *hook : GetHooks()) + if (hook->CallFunction != NULL) { + // XXX: this only supports one hook, but it is a bad idea anyway + (*hook->CallFunction)(context, cif, function, value, values); + goto from; + } + ffi_call(cif, function, value, values); + from: return CYFromFFI(context, signature->elements[0].type, cif->rtype, value, initialize); } @@ -982,6 +1053,33 @@ JSObjectRef CYMakeType(JSContextRef context, sig::Signature *signature) { return CYMakeType(context, &type); } +static bool All_hasProperty(JSContextRef context, JSObjectRef object, JSStringRef property) { + JSObjectRef global(CYGetGlobalObject(context)); + JSObjectRef cycript(CYCastJSObject(context, CYGetProperty(context, global, CYJSString("Cycript")))); + JSObjectRef alls(CYCastJSObject(context, CYGetProperty(context, cycript, CYJSString("alls")))); + + for (size_t i(0), count(CYArrayLength(context, alls)); i != count; ++i) + if (JSObjectRef space = CYCastJSObject(context, CYArrayGet(context, alls, count - i - 1))) + if (CYHasProperty(context, space, property)) + return true; + + CYPool pool; + CYUTF8String name(CYPoolUTF8String(pool, context, property)); + + size_t length(name.size); + char keyed[length + 2]; + memcpy(keyed + 1, name.data, length + 1); + + static const char *modes = "0124"; + for (size_t i(0); i != 4; ++i) { + keyed[0] = modes[i]; + if (CYBridgeHash(keyed, length + 1) != NULL) + return true; + } + + return false; +} + static JSValueRef All_getProperty(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) { CYTry { JSObjectRef global(CYGetGlobalObject(context)); JSObjectRef cycript(CYCastJSObject(context, CYGetProperty(context, global, CYJSString("Cycript")))); @@ -1069,6 +1167,38 @@ static JSObjectRef Type_new(JSContextRef context, JSObjectRef object, size_t cou return CYMakeType(context, type); } CYCatch(NULL) } +static JSValueRef Type_callAsFunction_$With(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], sig::Primitive primitive, JSValueRef *exception) { CYTry { + Type_privateData *internal(reinterpret_cast(JSObjectGetPrivate(_this))); + + CYPool pool; + + sig::Type type; + type.name = NULL; + type.flags = 0; + + type.primitive = primitive; + type.data.signature.elements = new(pool) sig::Element[1 + count]; + type.data.signature.count = 1 + count; + + type.data.signature.elements[0].name = NULL; + type.data.signature.elements[0].type = internal->type_; + type.data.signature.elements[0].offset = _not(size_t); + + for (size_t i(0); i != count; ++i) { + sig::Element &element(type.data.signature.elements[i + 1]); + element.name = NULL; + element.offset = _not(size_t); + + JSObjectRef object(CYCastJSObject(context, arguments[i])); + _assert(JSValueIsObjectOfClass(context, object, Type_privateData::Class_)); + Type_privateData *internal(reinterpret_cast(JSObjectGetPrivate(object))); + + element.type = internal->type_; + } + + return CYMakeType(context, &type); +} CYCatch(NULL) } + static JSValueRef Type_callAsFunction_arrayOf(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry { if (count != 1) throw CYJSError(context, "incorrect number of arguments to Type.arrayOf"); @@ -1090,6 +1220,10 @@ static JSValueRef Type_callAsFunction_arrayOf(JSContextRef context, JSObjectRef return CYMakeType(context, &type); } CYCatch(NULL) } +static JSValueRef Type_callAsFunction_blockWith(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { + return Type_callAsFunction_$With(context, object, _this, count, arguments, sig::block_P, exception); +} + static JSValueRef Type_callAsFunction_constant(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry { if (count != 0) throw CYJSError(context, "incorrect number of arguments to Type.constant"); @@ -1100,38 +1234,82 @@ static JSValueRef Type_callAsFunction_constant(JSContextRef context, JSObjectRef return CYMakeType(context, &type); } CYCatch(NULL) } -static JSValueRef Type_callAsFunction_functionWith(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry { +static JSValueRef Type_callAsFunction_long(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry { + if (count != 0) + throw CYJSError(context, "incorrect number of arguments to Type.long"); Type_privateData *internal(reinterpret_cast(JSObjectGetPrivate(_this))); - CYPool pool; + sig::Type type(*internal->type_); - sig::Type type; - type.name = NULL; - type.flags = 0; + switch (type.primitive) { + case sig::short_P: type.primitive = sig::int_P; break; + case sig::int_P: type.primitive = sig::long_P; break; + case sig::long_P: type.primitive = sig::longlong_P; break; + default: throw CYJSError(context, "invalid type argument to Type.long"); + } - type.primitive = sig::function_P; - type.data.signature.elements = new(pool) sig::Element[1 + count]; - type.data.signature.count = 1 + count; + return CYMakeType(context, &type); +} CYCatch(NULL) } - type.data.signature.elements[0].name = NULL; - type.data.signature.elements[0].type = internal->type_; - type.data.signature.elements[0].offset = _not(size_t); +static JSValueRef Type_callAsFunction_short(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry { + if (count != 0) + throw CYJSError(context, "incorrect number of arguments to Type.short"); + Type_privateData *internal(reinterpret_cast(JSObjectGetPrivate(_this))); - for (size_t i(0); i != count; ++i) { - sig::Element &element(type.data.signature.elements[i + 1]); - element.name = NULL; - element.offset = _not(size_t); + sig::Type type(*internal->type_); - JSObjectRef object(CYCastJSObject(context, arguments[i])); - _assert(JSValueIsObjectOfClass(context, object, Type_privateData::Class_)); - Type_privateData *internal(reinterpret_cast(JSObjectGetPrivate(object))); + switch (type.primitive) { + case sig::int_P: type.primitive = sig::short_P; break; + case sig::long_P: type.primitive = sig::int_P; break; + case sig::longlong_P: type.primitive = sig::long_P; break; + default: throw CYJSError(context, "invalid type argument to Type.short"); + } - element.type = internal->type_; + return CYMakeType(context, &type); +} CYCatch(NULL) } + +static JSValueRef Type_callAsFunction_signed(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry { + if (count != 0) + throw CYJSError(context, "incorrect number of arguments to Type.signed"); + Type_privateData *internal(reinterpret_cast(JSObjectGetPrivate(_this))); + + sig::Type type(*internal->type_); + + switch (type.primitive) { + case sig::char_P: case sig::uchar_P: type.primitive = sig::char_P; break; + case sig::short_P: case sig::ushort_P: type.primitive = sig::short_P; break; + case sig::int_P: case sig::uint_P: type.primitive = sig::int_P; break; + case sig::long_P: case sig::ulong_P: type.primitive = sig::long_P; break; + case sig::longlong_P: case sig::ulonglong_P: type.primitive = sig::longlong_P; break; + default: throw CYJSError(context, "invalid type argument to Type.signed"); } return CYMakeType(context, &type); } CYCatch(NULL) } +static JSValueRef Type_callAsFunction_unsigned(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry { + if (count != 0) + throw CYJSError(context, "incorrect number of arguments to Type.unsigned"); + Type_privateData *internal(reinterpret_cast(JSObjectGetPrivate(_this))); + + sig::Type type(*internal->type_); + + switch (type.primitive) { + case sig::char_P: case sig::uchar_P: type.primitive = sig::uchar_P; break; + case sig::short_P: case sig::ushort_P: type.primitive = sig::ushort_P; break; + case sig::int_P: case sig::uint_P: type.primitive = sig::uint_P; break; + case sig::long_P: case sig::ulong_P: type.primitive = sig::ulong_P; break; + case sig::longlong_P: case sig::ulonglong_P: type.primitive = sig::ulonglong_P; break; + default: throw CYJSError(context, "invalid type argument to Type.unsigned"); + } + + return CYMakeType(context, &type); +} CYCatch(NULL) } + +static JSValueRef Type_callAsFunction_functionWith(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { + return Type_callAsFunction_$With(context, object, _this, count, arguments, sig::function_P, exception); +} + static JSValueRef Type_callAsFunction_pointerTo(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry { if (count != 0) throw CYJSError(context, "incorrect number of arguments to Type.pointerTo"); @@ -1173,6 +1351,9 @@ static JSValueRef Type_callAsFunction(JSContextRef context, JSObjectRef object, throw CYJSError(context, "incorrect number of arguments to type cast function"); Type_privateData *internal(reinterpret_cast(JSObjectGetPrivate(object))); + if (internal->type_->primitive == sig::function_P) + return CYMakeFunctor(context, arguments[0], internal->type_->data.signature); + sig::Type *type(internal->type_); ffi_type *ffi(internal->GetFFI()); // XXX: alignment? @@ -1197,7 +1378,7 @@ static JSObjectRef Type_callAsConstructor(JSContextRef context, JSObjectRef obje type = type->data.data.type; } - void *value(malloc(internal->GetFFI()->size)); + void *value(calloc(1, internal->GetFFI()->size)); return CYMakePointer(context, value, length, type, NULL, NULL); } CYCatch(NULL) } @@ -1205,8 +1386,10 @@ static JSObjectRef Functor_new(JSContextRef context, JSObjectRef object, size_t if (count != 2) throw CYJSError(context, "incorrect number of arguments to Functor constructor"); CYPool pool; - const char *type(CYPoolCString(pool, context, arguments[1])); - return CYMakeFunctor(context, arguments[0], type); + const char *encoding(CYPoolCString(pool, context, arguments[1])); + sig::Signature signature; + sig::Parse(pool, &signature, encoding, &Structor_); + return CYMakeFunctor(context, arguments[0], signature); } CYCatch(NULL) } static JSValueRef CYValue_callAsFunction_valueOf(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry { @@ -1226,18 +1409,33 @@ static JSValueRef CYValue_callAsFunction_toCYON(JSContextRef context, JSObjectRe } CYCatch(NULL) } static JSValueRef Pointer_callAsFunction_toCYON(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry { + std::set *objects(CYCastObjects(context, _this, count, arguments)); + Pointer *internal(reinterpret_cast(JSObjectGetPrivate(_this))); if (internal->length_ != _not(size_t)) { JSObjectRef Array(CYGetCachedObject(context, CYJSString("Array_prototype"))); JSObjectRef toCYON(CYCastJSObject(context, CYGetProperty(context, Array, toCYON_s))); return CYCallAsFunction(context, toCYON, _this, count, arguments); - } else { + } else if (internal->type_->type_ == NULL) pointer: { char string[32]; sprintf(string, "%p", internal->value_); return CYCastJSValue(context, string); + } try { + JSValueRef value(CYGetProperty(context, _this, cyi_s)); + if (JSValueIsUndefined(context, value)) + goto pointer; + CYPool pool; + return CYCastJSValue(context, pool.strcat("&", CYPoolCCYON(pool, context, value, objects), NULL)); + } catch (const CYException &e) { + goto pointer; } } CYCatch(NULL) } +static JSValueRef Pointer_getProperty_type(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) { CYTry { + Pointer *internal(reinterpret_cast(JSObjectGetPrivate(object))); + return CYMakeType(context, internal->type_->type_); +} CYCatch(NULL) } + static JSValueRef Functor_getProperty_type(JSContextRef context, JSObjectRef object, JSStringRef property, JSValueRef *exception) { CYTry { cy::Functor *internal(reinterpret_cast(JSObjectGetPrivate(object))); return CYMakeType(context, &internal->signature_); @@ -1286,6 +1484,11 @@ static JSStaticFunction Pointer_staticFunctions[4] = { {NULL, NULL, 0} }; +static JSStaticValue Pointer_staticValues[2] = { + {"type", &Pointer_getProperty_type, NULL, kJSPropertyAttributeReadOnly | kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete}, + {NULL, NULL, NULL, 0} +}; + static JSStaticFunction Struct_staticFunctions[2] = { {"$cya", &Struct_callAsFunction_$cya, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete}, {NULL, NULL, 0} @@ -1307,6 +1510,10 @@ static JSStaticValue Functor_staticValues[2] = { {NULL, NULL, NULL, 0} }; +namespace cy { + JSStaticValue const * const Functor::StaticValues = Functor_staticValues; +} + static JSStaticValue Type_staticValues[4] = { {"alignment", &Type_getProperty_alignment, NULL, kJSPropertyAttributeReadOnly | kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete}, {"name", &Type_getProperty_name, NULL, kJSPropertyAttributeReadOnly | kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete}, @@ -1314,15 +1521,20 @@ static JSStaticValue Type_staticValues[4] = { {NULL, NULL, NULL, 0} }; -static JSStaticFunction Type_staticFunctions[9] = { +static JSStaticFunction Type_staticFunctions[14] = { {"arrayOf", &Type_callAsFunction_arrayOf, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete}, + {"blockWith", &Type_callAsFunction_blockWith, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete}, {"constant", &Type_callAsFunction_constant, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete}, {"functionWith", &Type_callAsFunction_functionWith, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete}, + {"long", &Type_callAsFunction_long, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete}, {"pointerTo", &Type_callAsFunction_pointerTo, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete}, + {"short", &Type_callAsFunction_short, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete}, + {"signed", &Type_callAsFunction_signed, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete}, {"withName", &Type_callAsFunction_withName, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete}, {"toCYON", &Type_callAsFunction_toCYON, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete}, {"toJSON", &Type_callAsFunction_toJSON, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete}, {"toString", &Type_callAsFunction_toString, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete}, + {"unsigned", &Type_callAsFunction_unsigned, kJSPropertyAttributeDontEnum | kJSPropertyAttributeDontDelete}, {NULL, NULL, 0} }; @@ -1351,19 +1563,41 @@ JSObjectRef CYGetGlobalObject(JSContextRef context) { return JSContextGetGlobalObject(context); } +// XXX: this is neither exceptin safe nor even terribly sane +class ExecutionHandle { + private: + JSContextRef context_; + std::vector handles_; + + public: + ExecutionHandle(JSContextRef context) : + context_(context) + { + handles_.resize(GetHooks().size()); + for (size_t i(0); i != GetHooks().size(); ++i) { + CYHook *hook(GetHooks()[i]); + if (hook->ExecuteStart != NULL) + handles_[i] = (*hook->ExecuteStart)(context_); + else + handles_[i] = NULL; + } + } + + ~ExecutionHandle() { + for (size_t i(GetHooks().size()); i != 0; --i) { + CYHook *hook(GetHooks()[i-1]); + if (hook->ExecuteEnd != NULL) + (*hook->ExecuteEnd)(context_, handles_[i-1]); + } + } +}; + const char *CYExecute(JSContextRef context, CYPool &pool, CYUTF8String code) { JSValueRef exception(NULL); - void *handle; - if (hooks_ != NULL && hooks_->ExecuteStart != NULL) - handle = (*hooks_->ExecuteStart)(context); - else - handle = NULL; + ExecutionHandle handle(context); - try { - - JSValueRef result; - try { + JSValueRef result; try { result = JSEvaluateScript(context, CYJSString(code), NULL, NULL, 0, &exception); } catch (const char *error) { return error; @@ -1375,9 +1609,9 @@ const char *CYExecute(JSContextRef context, CYPool &pool, CYUTF8String code) { if (JSValueIsUndefined(context, result)) return NULL; - const char *json; - try { - json = CYPoolCCYON(pool, context, result, &exception); + const char *json; try { + std::set objects; + json = CYPoolCCYON(pool, context, result, objects, &exception); } catch (const char *error) { return error; } @@ -1388,16 +1622,6 @@ const char *CYExecute(JSContextRef context, CYPool &pool, CYUTF8String code) { CYSetProperty(context, CYGetGlobalObject(context), Result_, result); return json; - - } catch (...) { - if (hooks_ != NULL && hooks_->ExecuteEnd != NULL) - (*hooks_->ExecuteEnd)(context, handle); - throw; - } -} - -extern "C" void CydgetSetupContext(JSGlobalContextRef context) { - CYSetupContext(context); } static bool initialized_ = false; @@ -1408,11 +1632,13 @@ void CYInitializeDynamic() { else return; JSObjectMakeArray$ = reinterpret_cast(dlsym(RTLD_DEFAULT, "JSObjectMakeArray")); + JSSynchronousGarbageCollectForDebugging$ = reinterpret_cast(dlsym(RTLD_DEFAULT, "JSSynchronousGarbageCollectForDebugging")); JSClassDefinition definition; definition = kJSClassDefinitionEmpty; definition.className = "All"; + definition.hasProperty = &All_hasProperty; definition.getProperty = &All_getProperty; definition.getPropertyNames = &All_getPropertyNames; All_ = JSClassCreate(&definition); @@ -1433,6 +1659,7 @@ void CYInitializeDynamic() { definition = kJSClassDefinitionEmpty; definition.className = "Pointer"; definition.staticFunctions = Pointer_staticFunctions; + definition.staticValues = Pointer_staticValues; definition.getProperty = &Pointer_getProperty; definition.setProperty = &Pointer_setProperty; definition.finalize = &CYFinalize; @@ -1463,6 +1690,7 @@ void CYInitializeDynamic() { Array_s = JSStringCreateWithUTF8CString("Array"); cy_s = JSStringCreateWithUTF8CString("$cy"); + cyi_s = JSStringCreateWithUTF8CString("$cyi"); length_s = JSStringCreateWithUTF8CString("length"); message_s = JSStringCreateWithUTF8CString("message"); name_s = JSStringCreateWithUTF8CString("name"); @@ -1474,11 +1702,13 @@ void CYInitializeDynamic() { toJSON_s = JSStringCreateWithUTF8CString("toJSON"); toPointer_s = JSStringCreateWithUTF8CString("toPointer"); toString_s = JSStringCreateWithUTF8CString("toString"); + weak_s = JSStringCreateWithUTF8CString("weak"); Result_ = JSStringCreateWithUTF8CString("_"); - if (hooks_ != NULL && hooks_->Initialize != NULL) - (*hooks_->Initialize)(); + for (CYHook *hook : GetHooks()) + if (hook->Initialize != NULL) + (*hook->Initialize)(); } void CYThrow(JSContextRef context, JSValueRef value) { @@ -1487,8 +1717,9 @@ void CYThrow(JSContextRef context, JSValueRef value) { } const char *CYJSError::PoolCString(CYPool &pool) const { + std::set objects; // XXX: this used to be CYPoolCString - return CYPoolCCYON(pool, context_, value_); + return CYPoolCCYON(pool, context_, value_, objects); } JSValueRef CYJSError::CastJSValue(JSContextRef context) const { @@ -1527,8 +1758,9 @@ JSGlobalContextRef CYGetJSContext(JSContextRef context) { extern "C" bool CydgetMemoryParse(const uint16_t **data, size_t *size); void *CYMapFile(const char *path, size_t *psize) { - int fd; - _syscall(fd = open(path, O_RDONLY)); + int fd(_syscall_(open(path, O_RDONLY), 1, ENOENT)); + if (fd == -1) + return NULL; struct stat stat; _syscall(fstat(fd, &stat)); @@ -1543,46 +1775,65 @@ void *CYMapFile(const char *path, size_t *psize) { return base; } -static void CYRunSetups(JSContextRef context) { - std::string folder("/etc/cycript/setup.d"); - DIR *setups(opendir(folder.c_str())); - if (setups == NULL) - return; +static JSValueRef require(JSContextRef context, JSObjectRef object, JSObjectRef _this, size_t count, const JSValueRef arguments[], JSValueRef *exception) { CYTry { + _assert(count == 1); + CYPool pool; - for (;;) { - dirent setup; - dirent *result; - _syscall(readdir_r(setups, &setup, &result)); + Dl_info addr; + _assert(dladdr(reinterpret_cast(&require), &addr) != 0); + char *lib(pool.strdup(addr.dli_fname)); - if (result == NULL) - break; - _assert(result == &setup); + char *slash(strrchr(lib, '/')); + _assert(slash != NULL); + *slash = '\0'; - const char *name(setup.d_name); - size_t length(strlen(name)); - if (length < 4) - continue; + CYJSString property("exports"); + JSObjectRef module; - if (name[0] == '.') - continue; - if (memcmp(name + length - 3, ".cy", 3) != 0) - continue; + const char *name(CYPoolCString(pool, context, arguments[0])); + const char *path(pool.strcat(lib, "/cycript0.9/", name, ".cy", NULL)); - std::string script(folder + "/" + name); - CYUTF8String utf8; - utf8.data = reinterpret_cast(CYMapFile(script.c_str(), &utf8.size)); + CYJSString key(path); + JSObjectRef modules(CYGetCachedObject(context, CYJSString("modules"))); + JSValueRef cache(CYGetProperty(context, modules, key)); - CYPool pool; - CYUTF16String utf16(CYPoolUTF16String(pool, utf8)); - munmap(const_cast(utf8.data), utf8.size); + if (!JSValueIsUndefined(context, cache)) + module = CYCastJSObject(context, cache); + else { + CYUTF8String code; + code.data = reinterpret_cast(CYMapFile(path, &code.size)); + + if (code.data == NULL) { + if (strchr(name, '/') == NULL && ( +#ifdef __APPLE__ + dlopen(pool.strcat("/System/Library/Frameworks/", name, ".framework/", name, NULL), RTLD_LAZY | RTLD_GLOBAL) != NULL || + dlopen(pool.strcat("/System/Library/PrivateFrameworks/", name, ".framework/", name, NULL), RTLD_LAZY | RTLD_GLOBAL) != NULL || +#endif + false)) + return CYJSUndefined(NULL); - if (CydgetMemoryParse(&utf16.data, &utf16.size)) - CYExecute(context, pool, CYPoolUTF8String(pool, utf16)); - free(const_cast(utf16.data)); + CYThrow("Can't find module: %s", name); + } + + module = JSObjectMake(context, NULL, NULL); + CYSetProperty(context, modules, key, module); + + JSObjectRef exports(JSObjectMake(context, NULL, NULL)); + CYSetProperty(context, module, property, exports); + + std::stringstream wrap; + wrap << "(function (exports, require, module) { " << code << "\n});"; + code = CYPoolCode(pool, wrap); + + JSValueRef value(_jsccall(JSEvaluateScript, context, CYJSString(code), NULL, NULL, 0)); + JSObjectRef function(CYCastJSObject(context, value)); + + JSValueRef arguments[3] = { exports, JSObjectMakeFunctionWithCallback(context, CYJSString("require"), &require), module }; + CYCallAsFunction(context, function, NULL, 3, arguments); } - _syscall(closedir(setups)); -} + return CYGetProperty(context, module, property); +} CYCatch(NULL) } extern "C" void CYSetupContext(JSGlobalContextRef context) { CYInitializeDynamic(); @@ -1599,6 +1850,12 @@ extern "C" void CYSetupContext(JSGlobalContextRef context) { JSObjectRef Array_prototype(CYCastJSObject(context, CYGetProperty(context, Array, prototype_s))); CYSetProperty(context, cy, CYJSString("Array_prototype"), Array_prototype); + JSObjectRef Boolean(CYCastJSObject(context, CYGetProperty(context, global, CYJSString("Boolean")))); + CYSetProperty(context, cy, CYJSString("Boolean"), Boolean); + + JSObjectRef Boolean_prototype(CYCastJSObject(context, CYGetProperty(context, Boolean, prototype_s))); + CYSetProperty(context, cy, CYJSString("Boolean_prototype"), Boolean_prototype); + JSObjectRef Error(CYCastJSObject(context, CYGetProperty(context, global, CYJSString("Error")))); CYSetProperty(context, cy, CYJSString("Error"), Error); @@ -1608,6 +1865,12 @@ extern "C" void CYSetupContext(JSGlobalContextRef context) { JSObjectRef Function_prototype(CYCastJSObject(context, CYGetProperty(context, Function, prototype_s))); CYSetProperty(context, cy, CYJSString("Function_prototype"), Function_prototype); + JSObjectRef Number(CYCastJSObject(context, CYGetProperty(context, global, CYJSString("Number")))); + CYSetProperty(context, cy, CYJSString("Number"), Number); + + JSObjectRef Number_prototype(CYCastJSObject(context, CYGetProperty(context, Number, prototype_s))); + CYSetProperty(context, cy, CYJSString("Number_prototype"), Number_prototype); + JSObjectRef Object(CYCastJSObject(context, CYGetProperty(context, global, CYJSString("Object")))); CYSetProperty(context, cy, CYJSString("Object"), Object); @@ -1629,12 +1892,15 @@ extern "C" void CYSetupContext(JSGlobalContextRef context) { CYSetProperty(context, cycript, CYJSString("gc"), &Cycript_gc_callAsFunction); JSObjectRef Functor(JSObjectMakeConstructor(context, Functor_, &Functor_new)); - JSObjectSetPrototype(context, CYCastJSObject(context, CYGetProperty(context, Functor, prototype_s)), Function_prototype); + CYSetPrototype(context, CYCastJSObject(context, CYGetProperty(context, Functor, prototype_s)), Function_prototype); CYSetProperty(context, cycript, CYJSString("Functor"), Functor); CYSetProperty(context, cycript, CYJSString("Pointer"), JSObjectMakeConstructor(context, Pointer_, &Pointer_new)); CYSetProperty(context, cycript, CYJSString("Type"), JSObjectMakeConstructor(context, Type_privateData::Class_, &Type_new)); + JSObjectRef modules(JSObjectMake(context, NULL, NULL)); + CYSetProperty(context, cy, CYJSString("modules"), modules); + JSObjectRef all(JSObjectMake(context, All_, NULL)); CYSetProperty(context, cycript, CYJSString("all"), all); @@ -1653,7 +1919,7 @@ extern "C" void CYSetupContext(JSGlobalContextRef context) { next = JSObjectGetPrototype(context, curr); } - JSObjectSetPrototype(context, last, all); + CYSetPrototype(context, last, all); } CYSetProperty(context, global, CYJSString("$cyq"), &$cyq, kJSPropertyAttributeDontEnum); @@ -1661,27 +1927,35 @@ extern "C" void CYSetupContext(JSGlobalContextRef context) { JSObjectRef System(JSObjectMake(context, NULL, NULL)); CYSetProperty(context, cy, CYJSString("System"), System); + CYSetProperty(context, all, CYJSString("require"), &require, kJSPropertyAttributeDontEnum); + CYSetProperty(context, global, CYJSString("system"), System); CYSetProperty(context, System, CYJSString("args"), CYJSNull(context)); //CYSetProperty(context, System, CYJSString("global"), global); CYSetProperty(context, System, CYJSString("print"), &System_print); +#ifdef __APPLE__ + if (&JSWeakObjectMapCreate != NULL) { + JSWeakObjectMapRef weak(JSWeakObjectMapCreate(context, NULL, NULL)); + CYSetProperty(context, cy, weak_s, CYCastJSValue(context, reinterpret_cast(weak))); + } +#endif + if (CYBridgeEntry *entry = CYBridgeHash("1dlerror", 8)) entry->cache_ = new cy::Functor(entry->value_, reinterpret_cast(&dlerror)); - if (hooks_ != NULL && hooks_->SetupContext != NULL) - (*hooks_->SetupContext)(context); + for (CYHook *hook : GetHooks()) + if (hook->SetupContext != NULL) + (*hook->SetupContext)(context); CYArrayPush(context, alls, cycript); - - CYRunSetups(context); } +static JSGlobalContextRef context_; + JSGlobalContextRef CYGetJSContext() { CYInitializeDynamic(); - static JSGlobalContextRef context_; - if (context_ == NULL) { context_ = JSGlobalContextCreate(Global_); CYSetupContext(context_); @@ -1689,3 +1963,10 @@ JSGlobalContextRef CYGetJSContext() { return context_; } + +void CYDestroyContext() { + if (context_ == NULL) + return; + JSGlobalContextRelease(context_); + context_ = NULL; +}