JavaScript.hpp

   1 /* Cycript - Inlining/Optimizing JavaScript Compiler
   2  * Copyright (C) 2009  Jay Freeman (saurik)
   3 */
   4
   5 /* Modified BSD License {{{ */
   6 /*
   7  *        Redistribution and use in source and binary
   8  * forms, with or without modification, are permitted
   9  * provided that the following conditions are met:
  10  *
  11  * 1. Redistributions of source code must retain the
  12  *    above copyright notice, this list of conditions
  13  *    and the following disclaimer.
  14  * 2. Redistributions in binary form must reproduce the
  15  *    above copyright notice, this list of conditions
  16  *    and the following disclaimer in the documentation
  17  *    and/or other materials provided with the
  18  *    distribution.
  19  * 3. The name of the author may not be used to endorse
  20  *    or promote products derived from this software
  21  *    without specific prior written permission.
  22  *
  23  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS''
  24  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING,
  25  * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
  26  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  27  * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE
  28  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
  29  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  30  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
  31  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  32  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
  33  * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
  34  * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
  35  * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
  36  * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  37 */
  38 /* }}} */
  39
  40 #ifndef CYCRIPT_JAVASCRIPT_HPP
  41 #define CYCRIPT_JAVASCRIPT_HPP
  42
  43 #include <JavaScriptCore/JSBase.h>
  44 #include <JavaScriptCore/JSContextRef.h>
  45 #include <JavaScriptCore/JSStringRef.h>
  46 #include <JavaScriptCore/JSObjectRef.h>
  47 #include <JavaScriptCore/JSValueRef.h>
  48
  49 #ifdef HAVE_FFI_FFI_H
  50 #include <ffi/ffi.h>
  51 #else
  52 #include <ffi.h>
  53 #endif
  54
  55 extern JSStringRef Array_s;
  56 extern JSStringRef cy_s;
  57 extern JSStringRef length_s;
  58 extern JSStringRef message_s;
  59 extern JSStringRef name_s;
  60 extern JSStringRef pop_s;
  61 extern JSStringRef prototype_s;
  62 extern JSStringRef push_s;
  63 extern JSStringRef splice_s;
  64 extern JSStringRef toCYON_s;
  65 extern JSStringRef toJSON_s;
  66 extern JSStringRef toPointer_s;
  67 extern JSStringRef toString_s;
  68
  69 void CYInitializeDynamic();
  70 JSGlobalContextRef CYGetJSContext();
  71 JSObjectRef CYGetGlobalObject(JSContextRef context);
  72
  73 extern "C" void CYSetupContext(JSGlobalContextRef context);
  74 const char *CYExecute(apr_pool_t *pool, CYUTF8String code);
  75
  76 void CYSetArgs(int argc, const char *argv[]);
  77
  78 bool CYCastBool(JSContextRef context, JSValueRef value);
  79 double CYCastDouble(JSContextRef context, JSValueRef value);
  80
  81 CYUTF8String CYPoolUTF8String(apr_pool_t *pool, JSContextRef context, JSStringRef value);
  82 const char *CYPoolCString(apr_pool_t *pool, JSContextRef context, JSStringRef value);
  83
  84 JSValueRef CYGetProperty(JSContextRef context, JSObjectRef object, size_t index);
  85 JSValueRef CYGetProperty(JSContextRef context, JSObjectRef object, JSStringRef name);
  86
  87 void CYSetProperty(JSContextRef context, JSObjectRef object, size_t index, JSValueRef value);
  88 void CYSetProperty(JSContextRef context, JSObjectRef object, JSStringRef name, JSValueRef value, JSPropertyAttributes attributes = kJSPropertyAttributeNone);
  89 void CYSetProperty(JSContextRef context, JSObjectRef object, JSStringRef name, JSValueRef (*callback)(JSContextRef, JSObjectRef, JSObjectRef, size_t, const JSValueRef[], JSValueRef *), JSPropertyAttributes attributes = kJSPropertyAttributeNone);
  90
  91 JSObjectRef CYGetCachedObject(JSContextRef context, JSStringRef name);
  92
  93 JSValueRef CYCastJSValue(JSContextRef context, bool value);
  94 JSValueRef CYCastJSValue(JSContextRef context, double value);
  95 JSValueRef CYCastJSValue(JSContextRef context, int value);
  96 JSValueRef CYCastJSValue(JSContextRef context, unsigned int value);
  97 JSValueRef CYCastJSValue(JSContextRef context, long int value);
  98 JSValueRef CYCastJSValue(JSContextRef context, long unsigned int value);
  99 JSValueRef CYCastJSValue(JSContextRef context, long long int value);
 100 JSValueRef CYCastJSValue(JSContextRef context, long long unsigned int value);
 101
 102 JSValueRef CYCastJSValue(JSContextRef context, JSStringRef value);
 103 JSValueRef CYCastJSValue(JSContextRef context, const char *value);
 104
 105 JSObjectRef CYCastJSObject(JSContextRef context, JSValueRef value);
 106 JSValueRef CYJSUndefined(JSContextRef context);
 107 JSValueRef CYJSNull(JSContextRef context);
 108
 109 void *CYCastPointer_(JSContextRef context, JSValueRef value);
 110
 111 template <typename Type_>
 112 _finline Type_ CYCastPointer(JSContextRef context, JSValueRef value) {
 113     return reinterpret_cast<Type_>(CYCastPointer_(context, value));
 114 }
 115
 116 void CYPoolFFI(apr_pool_t *pool, JSContextRef context, sig::Type *type, ffi_type *ffi, void *data, JSValueRef value);
 117 JSValueRef CYFromFFI(JSContextRef context, sig::Type *type, ffi_type *ffi, void *data, bool initialize = false, JSObjectRef owner = NULL);
 118
 119 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)());
 120
 121 bool CYIsCallable(JSContextRef context, JSValueRef value);
 122 JSValueRef CYCallAsFunction(JSContextRef context, JSObjectRef function, JSObjectRef _this, size_t count, const JSValueRef arguments[]);
 123
 124 const char *CYPoolCCYON(apr_pool_t *pool, JSContextRef context, JSObjectRef object);
 125
 126 struct CYHooks {
 127     void *(*ExecuteStart)(JSContextRef);
 128     void (*ExecuteEnd)(JSContextRef, void *);
 129
 130     JSValueRef (*RuntimeProperty)(JSContextRef, CYUTF8String);
 131     void (*CallFunction)(JSContextRef, ffi_cif *, void (*)(), uint8_t *, void **);
 132
 133     void (*Initialize)();
 134     void (*SetupContext)(JSContextRef);
 135
 136     bool (*PoolFFI)(apr_pool_t *, JSContextRef, sig::Type *, ffi_type *, void *, JSValueRef);
 137     JSValueRef (*FromFFI)(JSContextRef, sig::Type *, ffi_type *, void *, bool, JSObjectRef);
 138 };
 139
 140 extern struct CYHooks *hooks_;
 141
 142 JSObjectRef CYMakePointer(JSContextRef context, void *pointer, size_t length, sig::Type *type, ffi_type *ffi, JSObjectRef owner);
 143
 144 void CYFinalize(JSObjectRef object);
 145
 146 const char *CYPoolCString(apr_pool_t *pool, JSContextRef context, JSValueRef value);
 147
 148 JSStringRef CYCopyJSString(const char *value);
 149 JSStringRef CYCopyJSString(JSStringRef value);
 150 JSStringRef CYCopyJSString(CYUTF8String value);
 151 JSStringRef CYCopyJSString(JSContextRef context, JSValueRef value);
 152
 153 class CYJSString {
 154   private:
 155     JSStringRef string_;
 156
 157     void Clear_() {
 158         if (string_ != NULL)
 159             JSStringRelease(string_);
 160     }
 161
 162   public:
 163     CYJSString(const CYJSString &rhs) :
 164         string_(CYCopyJSString(rhs.string_))
 165     {
 166     }
 167
 168     template <typename Arg0_>
 169     CYJSString(Arg0_ arg0) :
 170         string_(CYCopyJSString(arg0))
 171     {
 172     }
 173
 174     template <typename Arg0_, typename Arg1_>
 175     CYJSString(Arg0_ arg0, Arg1_ arg1) :
 176         string_(CYCopyJSString(arg0, arg1))
 177     {
 178     }
 179
 180     CYJSString &operator =(const CYJSString &rhs) {
 181         Clear_();
 182         string_ = CYCopyJSString(rhs.string_);
 183         return *this;
 184     }
 185
 186     ~CYJSString() {
 187         Clear_();
 188     }
 189
 190     void Clear() {
 191         Clear_();
 192         string_ = NULL;
 193     }
 194
 195     operator JSStringRef() const {
 196         return string_;
 197     }
 198 };
 199
 200 #endif/*CYCRIPT_JAVASCRIPT_HPP*/