X-Git-Url: https://git.saurik.com/cycript.git/blobdiff_plain/077756a45fcee049b33e31dcb21575573768aef8..1e8d80477a3e058a30c477955f1e0c56deb6e956:/Internal.hpp?ds=sidebyside diff --git a/Internal.hpp b/Internal.hpp index ff45f13..7e6b1fd 100644 --- a/Internal.hpp +++ b/Internal.hpp @@ -1,21 +1,21 @@ -/* Cycript - Optimizing JavaScript Compiler/Runtime - * Copyright (C) 2009-2013 Jay Freeman (saurik) +/* Cycript - The Truly Universal Scripting Language + * Copyright (C) 2009-2016 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 . **/ /* }}} */ @@ -30,37 +30,103 @@ #include #include +#include "JavaScript.hpp" #include "Pooling.hpp" +#include "Utility.hpp" + +struct CYPropertyName; JSGlobalContextRef CYGetJSContext(JSContextRef context); -void Structor_(CYPool &pool, sig::Type *&type); +sig::Type *Structor_(CYPool &pool, sig::Aggregate *aggregate); -JSObjectRef CYMakeType(JSContextRef context, const char *type); -JSObjectRef CYMakeType(JSContextRef context, sig::Type *type); +struct CYRoot : + CYData +{ + // XXX: without this, CYData is zero-initialized?! + CYRoot() : + CYData() + { + } -extern JSClassRef Functor_; + _finline JSValueRef GetPrototype(JSContextRef context) const { + return NULL; + } +}; -struct Type_privateData : - CYData +template +struct CYPrivateOld : + Base_ { static JSClassRef Class_; - ffi_type *ffi_; - sig::Type *type_; + template + _finline static JSClassRef GetClass(Args_ &&... args) { + return Class_; + } - void Set(sig::Type *type) { - type_ = new(*pool_) sig::Type; - sig::Copy(*pool_, *type_, *type); + template + static JSObjectRef Make(JSContextRef context, Args_ &&... args) { + Internal_ *internal(new Internal_(cy::Forward(args)...)); + JSObjectRef object(JSObjectMake(context, Internal_::GetClass(cy::Forward(args)...), internal)); + if (JSValueRef prototype = internal->GetPrototype(context)) + CYSetPrototype(context, object, prototype); + return object; } - Type_privateData(CYPool &pool, const char *type) : - CYData(pool), - ffi_(NULL) - { - sig::Signature signature; - sig::Parse(*pool_, &signature, type, &Structor_); - type_ = signature.elements[0].type; + static Internal_ *Get(JSContextRef context, JSObjectRef object) { + _assert(JSValueIsObjectOfClass(context, object, Class_)); + return static_cast(JSObjectGetPrivate(object)); } +}; + +template +JSClassRef CYPrivateOld::Class_; + +template +struct CYPrivate { + static JSClassRef Class_; + + template + static JSObjectRef Make(JSContextRef context, Args_ &&... args) { + Internal_ *internal(new Internal_(cy::Forward(args)...)); + JSObjectRef object(JSObjectMake(context, Class_, internal)); + if (JSValueRef prototype = internal->GetPrototype(context)) + CYSetPrototype(context, object, prototype); + return object; + } + + template + static JSObjectRef Cache(JSContextRef context, Arg_ *arg) { + JSObjectRef global(CYGetGlobalObject(context)); + JSObjectRef cy(CYCastJSObject(context, CYGetProperty(context, global, cy_s))); + + char label[32]; + sprintf(label, "%s%p", Internal_::Cache_, arg); + CYJSString name(label); + + JSValueRef value(CYGetProperty(context, cy, name)); + if (!JSValueIsUndefined(context, value)) + return CYCastJSObject(context, value); + + JSObjectRef object(Make(context, arg)); + CYSetProperty(context, cy, name, object); + return object; + } + + static Internal_ *Get(JSContextRef context, JSObjectRef object) { + _assert(JSValueIsObjectOfClass(context, object, Class_)); + return static_cast(JSObjectGetPrivate(object)); + } +}; + +template +JSClassRef CYPrivate::Class_; + +struct Type_privateData : + CYRoot +{ + ffi_type *ffi_; + sig::Type *type_; Type_privateData(const char *type) : ffi_(NULL) @@ -70,23 +136,20 @@ struct Type_privateData : type_ = signature.elements[0].type; } - Type_privateData(sig::Type *type) : - ffi_(NULL) + Type_privateData(const sig::Type &type, ffi_type *ffi = NULL) : + type_(type.Copy(*pool_)) { - if (type != NULL) - Set(type); - } - Type_privateData(sig::Type *type, ffi_type *ffi) { - ffi_ = new(*pool_) ffi_type; - sig::Copy(*pool_, *ffi_, *ffi); - Set(type); + if (ffi == NULL) + ffi_ = NULL; + else { + ffi_ = new(*pool_) ffi_type; + sig::Copy(*pool_, *ffi_, *ffi); + } } ffi_type *GetFFI() { if (ffi_ == NULL) { - ffi_ = new(*pool_) ffi_type; - sig::Element element; element.name = NULL; element.type = type_; @@ -97,7 +160,9 @@ struct Type_privateData : signature.count = 1; ffi_cif cif; - sig::sig_ffi_cif(*pool_, &sig::ObjectiveC, &signature, &cif); + sig::sig_ffi_cif(*pool_, false, signature, &cif); + + ffi_ = new(*pool_) ffi_type; *ffi_ = *cif.rtype; } @@ -105,114 +170,119 @@ struct Type_privateData : } }; -struct CYValue : - CYData -{ - void *value_; +struct CYProtect { + private: + JSGlobalContextRef context_; + JSObjectRef object_; - CYValue() { + public: + CYProtect(JSContextRef context, JSObjectRef object) : + context_(CYGetJSContext(context)), + object_(object) + { + //XXX:JSGlobalContextRetain(context_); + if (object_ != NULL) + JSValueProtect(context_, object_); } - CYValue(const void *value) : - value_(const_cast(value)) - { + ~CYProtect() { + if (object_ != NULL) + JSValueUnprotect(context_, object_); + //XXX:JSGlobalContextRelease(context_); } - CYValue(const CYValue &rhs) : - value_(rhs.value_) - { + operator bool() const { + return object_ != NULL; } - virtual Type_privateData *GetType() const { - return NULL; + operator JSContextRef() const { + return context_; + } + + operator JSObjectRef() const { + return object_; } }; -struct CYOwned : - CYValue -{ +class CYBuffer { private: - JSGlobalContextRef context_; JSObjectRef owner_; + CYPool *pool_; public: - CYOwned(void *value, JSContextRef context, JSObjectRef owner) : - CYValue(value), - context_(CYGetJSContext(context)), - owner_(owner) + CYBuffer(JSContextRef context) : + owner_(CYPrivate::Make(context)), + pool_(CYPrivate::Get(context, owner_)->pool_) { - //XXX:JSGlobalContextRetain(context_); - if (owner_ != NULL) - JSValueProtect(context_, owner_); + auto internal(CYPrivate::Get(context, owner_)); + internal->pool_->malloc(10); } - virtual ~CYOwned() { - if (owner_ != NULL) - JSValueUnprotect(context_, owner_); - //XXX:JSGlobalContextRelease(context_); + operator JSObjectRef() const { + return owner_; } - JSObjectRef GetOwner() const { - return owner_; + operator CYPool *() const { + return pool_; + } + + CYPool *operator ->() const { + return pool_; } }; namespace cy { struct Functor : - CYValue + CYRoot { + public: + static JSClassRef Class_; + private: void set() { - sig::sig_ffi_cif(*pool_, &sig::ObjectiveC, &signature_, &cif_); + sig::sig_ffi_cif(*pool_, variadic_ ? signature_.count : 0, signature_, &cif_); } public: + void (*value_)(); + bool variadic_; sig::Signature signature_; ffi_cif cif_; - Functor(sig::Signature &signature, void (*value)()) : - CYValue(reinterpret_cast(value)) + Functor(void (*value)(), bool variadic, const sig::Signature &signature) : + value_(value), + variadic_(variadic) { sig::Copy(*pool_, signature_, signature); set(); } - Functor(const char *encoding, void (*value)()) : - CYValue(reinterpret_cast(value)) + Functor(void (*value)(), const char *encoding) : + value_(value), + variadic_(false) { sig::Parse(*pool_, &signature_, encoding, &Structor_); set(); } - void (*GetValue() const)() { - return reinterpret_cast(value_); - } - - static JSStaticFunction const * const StaticFunctions; + virtual CYPropertyName *GetName(CYPool &pool) const; }; } struct Closure_privateData : cy::Functor { - JSGlobalContextRef context_; - JSObjectRef function_; + CYProtect function_; + JSValueRef (*adapter_)(JSContextRef, size_t, JSValueRef[], JSObjectRef); - Closure_privateData(JSContextRef context, JSObjectRef function, const char *type) : - cy::Functor(type, NULL), - context_(CYGetJSContext(context)), - function_(function) + Closure_privateData(JSContextRef context, JSObjectRef function, JSValueRef (*adapter)(JSContextRef, size_t, JSValueRef[], JSObjectRef), const sig::Signature &signature) : + cy::Functor(NULL, false, signature), + function_(context, function), + adapter_(adapter) { - //XXX:JSGlobalContextRetain(context_); - JSValueProtect(context_, function_); - } - - virtual ~Closure_privateData() { - JSValueUnprotect(context_, function_); - //XXX:JSGlobalContextRelease(context_); } }; -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, JSValueRef (*adapter)(JSContextRef, size_t, JSValueRef[], JSObjectRef)); void CYExecuteClosure(ffi_cif *cif, void *result, void **arguments, void *arg, JSValueRef (*adapter)(JSContextRef, size_t, JSValueRef[], JSObjectRef)); #endif/*CYCRIPT_INTERNAL_HPP*/