JavaScript.hpp

   1 /* Cycript - Optimizing JavaScript Compiler/Runtime
   2  * Copyright (C) 2009-2013  Jay Freeman (saurik)
   3 */
   4
   5 /* GNU General Public License, Version 3 {{{ */
   6 /*
   7  * Cycript is free software: you can redistribute it and/or modify
   8  * it under the terms of the GNU General Public License as published
   9  * by the Free Software Foundation, either version 3 of the License,
  10  * or (at your option) any later version.
  11  *
  12  * Cycript is distributed in the hope that it will be useful, but
  13  * WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  * GNU General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU General Public License
  18  * along with Cycript.  If not, see <http://www.gnu.org/licenses/>.
  19 **/
  20 /* }}} */
  21
  22 #ifndef CYCRIPT_JAVASCRIPT_HPP
  23 #define CYCRIPT_JAVASCRIPT_HPP
  24
  25 #include <JavaScriptCore/JSBase.h>
  26 #include <JavaScriptCore/JSContextRef.h>
  27 #include <JavaScriptCore/JSStringRef.h>
  28 #include <JavaScriptCore/JSObjectRef.h>
  29 #include <JavaScriptCore/JSValueRef.h>
  30
  31 #ifdef HAVE_FFI_FFI_H
  32 #include <ffi/ffi.h>
  33 #else
  34 #include <ffi.h>
  35 #endif
  36
  37 #include "Pooling.hpp"
  38 #include "String.hpp"
  39
  40 extern JSStringRef Array_s;
  41 extern JSStringRef cy_s;
  42 extern JSStringRef length_s;
  43 extern JSStringRef message_s;
  44 extern JSStringRef name_s;
  45 extern JSStringRef pop_s;
  46 extern JSStringRef prototype_s;
  47 extern JSStringRef push_s;
  48 extern JSStringRef splice_s;
  49 extern JSStringRef toCYON_s;
  50 extern JSStringRef toJSON_s;
  51 extern JSStringRef toPointer_s;
  52 extern JSStringRef toString_s;
  53
  54 void CYInitializeDynamic();
  55 JSGlobalContextRef CYGetJSContext();
  56 JSObjectRef CYGetGlobalObject(JSContextRef context);
  57
  58 extern "C" void CYSetupContext(JSGlobalContextRef context);
  59 const char *CYExecute(JSContextRef context, CYPool &pool, CYUTF8String code);
  60
  61 void CYSetArgs(int argc, const char *argv[]);
  62
  63 bool CYCastBool(JSContextRef context, JSValueRef value);
  64 double CYCastDouble(JSContextRef context, JSValueRef value);
  65
  66 CYUTF8String CYPoolUTF8String(CYPool &pool, JSContextRef context, JSStringRef value);
  67 const char *CYPoolCString(CYPool &pool, JSContextRef context, JSStringRef value);
  68
  69 JSValueRef CYGetProperty(JSContextRef context, JSObjectRef object, size_t index);
  70 JSValueRef CYGetProperty(JSContextRef context, JSObjectRef object, JSStringRef name);
  71
  72 void CYSetProperty(JSContextRef context, JSObjectRef object, size_t index, JSValueRef value);
  73 void CYSetProperty(JSContextRef context, JSObjectRef object, JSStringRef name, JSValueRef value, JSPropertyAttributes attributes = kJSPropertyAttributeNone);
  74 void CYSetProperty(JSContextRef context, JSObjectRef object, JSStringRef name, JSValueRef (*callback)(JSContextRef, JSObjectRef, JSObjectRef, size_t, const JSValueRef[], JSValueRef *), JSPropertyAttributes attributes = kJSPropertyAttributeNone);
  75
  76 JSObjectRef CYGetCachedObject(JSContextRef context, JSStringRef name);
  77
  78 JSValueRef CYCastJSValue(JSContextRef context, bool value);
  79 JSValueRef CYCastJSValue(JSContextRef context, double value);
  80 JSValueRef CYCastJSValue(JSContextRef context, int value);
  81 JSValueRef CYCastJSValue(JSContextRef context, unsigned int value);
  82 JSValueRef CYCastJSValue(JSContextRef context, long int value);
  83 JSValueRef CYCastJSValue(JSContextRef context, long unsigned int value);
  84 JSValueRef CYCastJSValue(JSContextRef context, long long int value);
  85 JSValueRef CYCastJSValue(JSContextRef context, long long unsigned int value);
  86
  87 JSValueRef CYCastJSValue(JSContextRef context, JSStringRef value);
  88 JSValueRef CYCastJSValue(JSContextRef context, const char *value);
  89
  90 JSObjectRef CYCastJSObject(JSContextRef context, JSValueRef value);
  91 JSValueRef CYJSUndefined(JSContextRef context);
  92 JSValueRef CYJSNull(JSContextRef context);
  93
  94 void *CYCastPointer_(JSContextRef context, JSValueRef value);
  95
  96 template <typename Type_>
  97 _finline Type_ CYCastPointer(JSContextRef context, JSValueRef value) {
  98     return reinterpret_cast<Type_>(CYCastPointer_(context, value));
  99 }
 100
 101 void CYPoolFFI(CYPool *pool, JSContextRef context, sig::Type *type, ffi_type *ffi, void *data, JSValueRef value);
 102 JSValueRef CYFromFFI(JSContextRef context, sig::Type *type, ffi_type *ffi, void *data, bool initialize = false, JSObjectRef owner = NULL);
 103
 104 JSValueRef CYCallFunction(CYPool &pool, JSContextRef context, size_t setups, void *setup[], size_t count, const JSValueRef arguments[], bool initialize, sig::Signature *signature, ffi_cif *cif, void (*function)());
 105
 106 bool CYIsCallable(JSContextRef context, JSValueRef value);
 107 JSValueRef CYCallAsFunction(JSContextRef context, JSObjectRef function, JSObjectRef _this, size_t count, const JSValueRef arguments[]);
 108
 109 const char *CYPoolCCYON(CYPool &pool, JSContextRef context, JSObjectRef object);
 110
 111 struct CYHooks {
 112     void *(*ExecuteStart)(JSContextRef);
 113     void (*ExecuteEnd)(JSContextRef, void *);
 114
 115     void (*CallFunction)(JSContextRef, ffi_cif *, void (*)(), uint8_t *, void **);
 116
 117     void (*Initialize)();
 118     void (*SetupContext)(JSContextRef);
 119
 120     bool (*PoolFFI)(CYPool *, JSContextRef, sig::Type *, ffi_type *, void *, JSValueRef);
 121     JSValueRef (*FromFFI)(JSContextRef, sig::Type *, ffi_type *, void *, bool, JSObjectRef);
 122 };
 123
 124 extern struct CYHooks *hooks_;
 125
 126 JSObjectRef CYMakePointer(JSContextRef context, void *pointer, size_t length, sig::Type *type, ffi_type *ffi, JSObjectRef owner);
 127
 128 void CYFinalize(JSObjectRef object);
 129
 130 size_t CYArrayLength(JSContextRef context, JSObjectRef array);
 131 JSValueRef CYArrayGet(JSContextRef context, JSObjectRef array, size_t index);
 132 void CYArrayPush(JSContextRef context, JSObjectRef array, JSValueRef value);
 133
 134 const char *CYPoolCString(CYPool &pool, JSContextRef context, JSValueRef value);
 135
 136 JSStringRef CYCopyJSString(const char *value);
 137 JSStringRef CYCopyJSString(JSStringRef value);
 138 JSStringRef CYCopyJSString(CYUTF8String value);
 139 JSStringRef CYCopyJSString(JSContextRef context, JSValueRef value);
 140
 141 class CYJSString {
 142   private:
 143     JSStringRef string_;
 144
 145     void Clear_() {
 146         if (string_ != NULL)
 147             JSStringRelease(string_);
 148     }
 149
 150   public:
 151     CYJSString(const CYJSString &rhs) :
 152         string_(CYCopyJSString(rhs.string_))
 153     {
 154     }
 155
 156     template <typename Arg0_>
 157     CYJSString(Arg0_ arg0) :
 158         string_(CYCopyJSString(arg0))
 159     {
 160     }
 161
 162     template <typename Arg0_, typename Arg1_>
 163     CYJSString(Arg0_ arg0, Arg1_ arg1) :
 164         string_(CYCopyJSString(arg0, arg1))
 165     {
 166     }
 167
 168     CYJSString &operator =(const CYJSString &rhs) {
 169         Clear_();
 170         string_ = CYCopyJSString(rhs.string_);
 171         return *this;
 172     }
 173
 174     ~CYJSString() {
 175         Clear_();
 176     }
 177
 178     void Clear() {
 179         Clear_();
 180         string_ = NULL;
 181     }
 182
 183     operator JSStringRef() const {
 184         return string_;
 185     }
 186 };
 187
 188 #endif/*CYCRIPT_JAVASCRIPT_HPP*/