JavaScript.hpp

   1 /* Cycript - Optimizing JavaScript Compiler/Runtime
   2  * Copyright (C) 2009-2010  Jay Freeman (saurik)
   3 */
   4
   5 /* GNU Lesser General Public License, Version 3 {{{ */
   6 /*
   7  * Cycript is free software: you can redistribute it and/or modify it under
   8  * the terms of the GNU Lesser General Public License as published by the
   9  * Free Software Foundation, either version 3 of the License, or (at your
  10  * option) any later version.
  11  *
  12  * Cycript is distributed in the hope that it will be useful, but WITHOUT
  13  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  14  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public
  15  * License for more details.
  16  *
  17  * You should have received a copy of the GNU Lesser 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 extern JSStringRef Array_s;
  38 extern JSStringRef cy_s;
  39 extern JSStringRef length_s;
  40 extern JSStringRef message_s;
  41 extern JSStringRef name_s;
  42 extern JSStringRef pop_s;
  43 extern JSStringRef prototype_s;
  44 extern JSStringRef push_s;
  45 extern JSStringRef splice_s;
  46 extern JSStringRef toCYON_s;
  47 extern JSStringRef toJSON_s;
  48 extern JSStringRef toPointer_s;
  49 extern JSStringRef toString_s;
  50
  51 void CYInitializeDynamic();
  52 JSGlobalContextRef CYGetJSContext();
  53 JSObjectRef CYGetGlobalObject(JSContextRef context);
  54
  55 extern "C" void CYSetupContext(JSGlobalContextRef context);
  56 const char *CYExecute(apr_pool_t *pool, CYUTF8String code);
  57
  58 void CYSetArgs(int argc, const char *argv[]);
  59
  60 bool CYCastBool(JSContextRef context, JSValueRef value);
  61 double CYCastDouble(JSContextRef context, JSValueRef value);
  62
  63 CYUTF8String CYPoolUTF8String(apr_pool_t *pool, JSContextRef context, JSStringRef value);
  64 const char *CYPoolCString(apr_pool_t *pool, JSContextRef context, JSStringRef value);
  65
  66 JSValueRef CYGetProperty(JSContextRef context, JSObjectRef object, size_t index);
  67 JSValueRef CYGetProperty(JSContextRef context, JSObjectRef object, JSStringRef name);
  68
  69 void CYSetProperty(JSContextRef context, JSObjectRef object, size_t index, JSValueRef value);
  70 void CYSetProperty(JSContextRef context, JSObjectRef object, JSStringRef name, JSValueRef value, JSPropertyAttributes attributes = kJSPropertyAttributeNone);
  71 void CYSetProperty(JSContextRef context, JSObjectRef object, JSStringRef name, JSValueRef (*callback)(JSContextRef, JSObjectRef, JSObjectRef, size_t, const JSValueRef[], JSValueRef *), JSPropertyAttributes attributes = kJSPropertyAttributeNone);
  72
  73 JSObjectRef CYGetCachedObject(JSContextRef context, JSStringRef name);
  74
  75 JSValueRef CYCastJSValue(JSContextRef context, bool value);
  76 JSValueRef CYCastJSValue(JSContextRef context, double value);
  77 JSValueRef CYCastJSValue(JSContextRef context, int value);
  78 JSValueRef CYCastJSValue(JSContextRef context, unsigned int value);
  79 JSValueRef CYCastJSValue(JSContextRef context, long int value);
  80 JSValueRef CYCastJSValue(JSContextRef context, long unsigned int value);
  81 JSValueRef CYCastJSValue(JSContextRef context, long long int value);
  82 JSValueRef CYCastJSValue(JSContextRef context, long long unsigned int value);
  83
  84 JSValueRef CYCastJSValue(JSContextRef context, JSStringRef value);
  85 JSValueRef CYCastJSValue(JSContextRef context, const char *value);
  86
  87 JSObjectRef CYCastJSObject(JSContextRef context, JSValueRef value);
  88 JSValueRef CYJSUndefined(JSContextRef context);
  89 JSValueRef CYJSNull(JSContextRef context);
  90
  91 void *CYCastPointer_(JSContextRef context, JSValueRef value);
  92
  93 template <typename Type_>
  94 _finline Type_ CYCastPointer(JSContextRef context, JSValueRef value) {
  95     return reinterpret_cast<Type_>(CYCastPointer_(context, value));
  96 }
  97
  98 void CYPoolFFI(apr_pool_t *pool, JSContextRef context, sig::Type *type, ffi_type *ffi, void *data, JSValueRef value);
  99 JSValueRef CYFromFFI(JSContextRef context, sig::Type *type, ffi_type *ffi, void *data, bool initialize = false, JSObjectRef owner = NULL);
 100
 101 JSValueRef CYCallFunction(apr_pool_t *pool, JSContextRef context, size_t setups, void *setup[], size_t count, const JSValueRef arguments[], bool initialize, JSValueRef *exception, sig::Signature *signature, ffi_cif *cif, void (*function)());
 102
 103 bool CYIsCallable(JSContextRef context, JSValueRef value);
 104 JSValueRef CYCallAsFunction(JSContextRef context, JSObjectRef function, JSObjectRef _this, size_t count, const JSValueRef arguments[]);
 105
 106 const char *CYPoolCCYON(apr_pool_t *pool, JSContextRef context, JSObjectRef object);
 107
 108 struct CYHooks {
 109     void *(*ExecuteStart)(JSContextRef);
 110     void (*ExecuteEnd)(JSContextRef, void *);
 111
 112     void (*CallFunction)(JSContextRef, ffi_cif *, void (*)(), uint8_t *, void **);
 113
 114     void (*Initialize)();
 115     void (*SetupContext)(JSContextRef);
 116
 117     bool (*PoolFFI)(apr_pool_t *, JSContextRef, sig::Type *, ffi_type *, void *, JSValueRef);
 118     JSValueRef (*FromFFI)(JSContextRef, sig::Type *, ffi_type *, void *, bool, JSObjectRef);
 119 };
 120
 121 extern struct CYHooks *hooks_;
 122
 123 JSObjectRef CYMakePointer(JSContextRef context, void *pointer, size_t length, sig::Type *type, ffi_type *ffi, JSObjectRef owner);
 124
 125 void CYFinalize(JSObjectRef object);
 126
 127 size_t CYArrayLength(JSContextRef context, JSObjectRef array);
 128 JSValueRef CYArrayGet(JSContextRef context, JSObjectRef array, size_t index);
 129 void CYArrayPush(JSContextRef context, JSObjectRef array, JSValueRef value);
 130
 131 const char *CYPoolCString(apr_pool_t *pool, JSContextRef context, JSValueRef value);
 132
 133 JSStringRef CYCopyJSString(const char *value);
 134 JSStringRef CYCopyJSString(JSStringRef value);
 135 JSStringRef CYCopyJSString(CYUTF8String value);
 136 JSStringRef CYCopyJSString(JSContextRef context, JSValueRef value);
 137
 138 class CYJSString {
 139   private:
 140     JSStringRef string_;
 141
 142     void Clear_() {
 143         if (string_ != NULL)
 144             JSStringRelease(string_);
 145     }
 146
 147   public:
 148     CYJSString(const CYJSString &rhs) :
 149         string_(CYCopyJSString(rhs.string_))
 150     {
 151     }
 152
 153     template <typename Arg0_>
 154     CYJSString(Arg0_ arg0) :
 155         string_(CYCopyJSString(arg0))
 156     {
 157     }
 158
 159     template <typename Arg0_, typename Arg1_>
 160     CYJSString(Arg0_ arg0, Arg1_ arg1) :
 161         string_(CYCopyJSString(arg0, arg1))
 162     {
 163     }
 164
 165     CYJSString &operator =(const CYJSString &rhs) {
 166         Clear_();
 167         string_ = CYCopyJSString(rhs.string_);
 168         return *this;
 169     }
 170
 171     ~CYJSString() {
 172         Clear_();
 173     }
 174
 175     void Clear() {
 176         Clear_();
 177         string_ = NULL;
 178     }
 179
 180     operator JSStringRef() const {
 181         return string_;
 182     }
 183 };
 184
 185 #endif/*CYCRIPT_JAVASCRIPT_HPP*/