JavaScript.hpp

   1 /* Cycript - Optimizing JavaScript Compiler/Runtime
   2  * Copyright (C) 2009-2015  Jay Freeman (saurik)
   3 */
   4
   5 /* GNU Affero General Public License, Version 3 {{{ */
   6 /*
   7  * This program is free software: you can redistribute it and/or modify
   8  * it under the terms of the GNU Affero General Public License as published by
   9  * the Free Software Foundation, either version 3 of the License, or
  10  * (at your option) any later version.
  11
  12  * This program is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  * GNU Affero General Public License for more details.
  16
  17  * You should have received a copy of the GNU Affero General Public License
  18  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  19 **/
  20 /* }}} */
  21
  22 #ifndef CYCRIPT_JAVASCRIPT_HPP
  23 #define CYCRIPT_JAVASCRIPT_HPP
  24
  25 #include <set>
  26
  27 #include <JavaScriptCore/JSBase.h>
  28 #include <JavaScriptCore/JSContextRef.h>
  29 #include <JavaScriptCore/JSStringRef.h>
  30 #include <JavaScriptCore/JSObjectRef.h>
  31 #include <JavaScriptCore/JSValueRef.h>
  32
  33 #ifdef HAVE_FFI_FFI_H
  34 #include <ffi/ffi.h>
  35 #else
  36 #include <ffi.h>
  37 #endif
  38
  39 #include "Pooling.hpp"
  40 #include "String.hpp"
  41
  42 extern JSStringRef Array_s;
  43 extern JSStringRef cy_s;
  44 extern JSStringRef cyi_s;
  45 extern JSStringRef length_s;
  46 extern JSStringRef message_s;
  47 extern JSStringRef name_s;
  48 extern JSStringRef pop_s;
  49 extern JSStringRef prototype_s;
  50 extern JSStringRef push_s;
  51 extern JSStringRef splice_s;
  52 extern JSStringRef toCYON_s;
  53 extern JSStringRef toJSON_s;
  54 extern JSStringRef toPointer_s;
  55 extern JSStringRef toString_s;
  56 extern JSStringRef weak_s;
  57
  58 void CYInitializeDynamic();
  59 JSGlobalContextRef CYGetJSContext();
  60 JSObjectRef CYGetGlobalObject(JSContextRef context);
  61
  62 extern "C" void CYSetupContext(JSGlobalContextRef context);
  63 const char *CYExecute(JSContextRef context, CYPool &pool, CYUTF8String code);
  64 void CYCancel();
  65
  66 void CYSetArgs(int argc, const char *argv[]);
  67
  68 bool CYCastBool(JSContextRef context, JSValueRef value);
  69 double CYCastDouble(JSContextRef context, JSValueRef value);
  70
  71 bool CYIsEqual(JSContextRef context, JSValueRef lhs, JSValueRef rhs);
  72 bool CYIsStrictEqual(JSContextRef context, JSValueRef lhs, JSValueRef rhs);
  73
  74 CYUTF8String CYPoolUTF8String(CYPool &pool, JSContextRef context, JSStringRef value);
  75 const char *CYPoolCString(CYPool &pool, JSContextRef context, JSStringRef value);
  76
  77 bool CYHasProperty(JSContextRef context, JSObjectRef object, JSStringRef name);
  78 JSValueRef CYGetProperty(JSContextRef context, JSObjectRef object, size_t index);
  79 JSValueRef CYGetProperty(JSContextRef context, JSObjectRef object, JSStringRef name);
  80
  81 void CYSetProperty(JSContextRef context, JSObjectRef object, size_t index, JSValueRef value);
  82 void CYSetProperty(JSContextRef context, JSObjectRef object, JSStringRef name, JSValueRef value, JSPropertyAttributes attributes = kJSPropertyAttributeNone);
  83 void CYSetProperty(JSContextRef context, JSObjectRef object, JSStringRef name, JSValueRef (*callback)(JSContextRef, JSObjectRef, JSObjectRef, size_t, const JSValueRef[], JSValueRef *), JSPropertyAttributes attributes = kJSPropertyAttributeNone);
  84
  85 void CYSetPrototype(JSContextRef context, JSObjectRef object, JSValueRef prototype);
  86
  87 JSValueRef CYGetCachedValue(JSContextRef context, JSStringRef name);
  88 JSObjectRef CYGetCachedObject(JSContextRef context, JSStringRef name);
  89
  90 JSValueRef CYCastJSValue(JSContextRef context, bool value);
  91 JSValueRef CYCastJSValue(JSContextRef context, double value);
  92 JSValueRef CYCastJSValue(JSContextRef context, int value);
  93 JSValueRef CYCastJSValue(JSContextRef context, unsigned int value);
  94 JSValueRef CYCastJSValue(JSContextRef context, long int value);
  95 JSValueRef CYCastJSValue(JSContextRef context, long unsigned int value);
  96 JSValueRef CYCastJSValue(JSContextRef context, long long int value);
  97 JSValueRef CYCastJSValue(JSContextRef context, long long unsigned int value);
  98
  99 JSValueRef CYCastJSValue(JSContextRef context, JSStringRef value);
 100 JSValueRef CYCastJSValue(JSContextRef context, const char *value);
 101
 102 JSObjectRef CYCastJSObject(JSContextRef context, JSValueRef value);
 103 JSValueRef CYJSUndefined(JSContextRef context);
 104 JSValueRef CYJSNull(JSContextRef context);
 105
 106 void *CYCastPointer_(JSContextRef context, JSValueRef value, bool *guess = NULL);
 107
 108 template <typename Type_>
 109 _finline Type_ CYCastPointer(JSContextRef context, JSValueRef value, bool *guess = NULL) {
 110     return reinterpret_cast<Type_>(CYCastPointer_(context, value, guess));
 111 }
 112
 113 void CYCallFunction(CYPool &pool, JSContextRef context, ffi_cif *cif, void (*function)(), void *value, void **values);
 114 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)());
 115
 116 bool CYIsCallable(JSContextRef context, JSValueRef value);
 117 JSValueRef CYCallAsFunction(JSContextRef context, JSObjectRef function, JSObjectRef _this, size_t count, const JSValueRef arguments[]);
 118
 119 const char *CYPoolCCYON(CYPool &pool, JSContextRef context, JSObjectRef object, std::set<void *> &objects);
 120 std::set<void *> *CYCastObjects(JSContextRef context, JSObjectRef _this, size_t count, const JSValueRef arguments[]);
 121
 122 struct CYHook {
 123     void *(*ExecuteStart)(JSContextRef);
 124     void (*ExecuteEnd)(JSContextRef, void *);
 125
 126     void (*CallFunction)(CYPool &, JSContextRef, ffi_cif *, void (*)(), void *, void **);
 127
 128     void (*Initialize)();
 129     void (*SetupContext)(JSContextRef);
 130
 131     void *(*CastSymbol)(const char *);
 132 };
 133
 134 struct CYRegisterHook {
 135     CYRegisterHook(CYHook *hook);
 136 };
 137
 138 JSObjectRef CYMakePointer(JSContextRef context, void *pointer, size_t length, const sig::Type &type, ffi_type *ffi, JSObjectRef owner);
 139
 140 JSObjectRef CYMakeType(JSContextRef context, const sig::Type &type);
 141 JSObjectRef CYMakeType(JSContextRef context, sig::Signature *signature);
 142
 143 void CYFinalize(JSObjectRef object);
 144
 145 size_t CYArrayLength(JSContextRef context, JSObjectRef array);
 146 JSValueRef CYArrayGet(JSContextRef context, JSObjectRef array, size_t index);
 147
 148 void CYArrayPush(JSContextRef context, JSObjectRef array, size_t length, const JSValueRef arguments[]);
 149 void CYArrayPush(JSContextRef context, JSObjectRef array, JSValueRef value);
 150
 151 const char *CYPoolCString(CYPool &pool, JSContextRef context, JSValueRef value);
 152
 153 JSStringRef CYCopyJSString(const char *value);
 154 JSStringRef CYCopyJSString(JSStringRef value);
 155 JSStringRef CYCopyJSString(CYUTF8String value);
 156 JSStringRef CYCopyJSString(CYUTF16String value);
 157 JSStringRef CYCopyJSString(JSContextRef context, JSValueRef value);
 158
 159 void CYGarbageCollect(JSContextRef context);
 160 void CYDestroyContext();
 161
 162 class CYJSString {
 163   private:
 164     JSStringRef string_;
 165
 166     void Clear_() {
 167         if (string_ != NULL)
 168             JSStringRelease(string_);
 169     }
 170
 171   public:
 172     CYJSString(const CYJSString &rhs) :
 173         string_(CYCopyJSString(rhs.string_))
 174     {
 175     }
 176
 177     template <typename Arg0_>
 178     CYJSString(Arg0_ arg0) :
 179         string_(CYCopyJSString(arg0))
 180     {
 181     }
 182
 183     template <typename Arg0_, typename Arg1_>
 184     CYJSString(Arg0_ arg0, Arg1_ arg1) :
 185         string_(CYCopyJSString(arg0, arg1))
 186     {
 187     }
 188
 189     CYJSString &operator =(const CYJSString &rhs) {
 190         Clear_();
 191         string_ = CYCopyJSString(rhs.string_);
 192         return *this;
 193     }
 194
 195     ~CYJSString() {
 196         Clear_();
 197     }
 198
 199     void Clear() {
 200         Clear_();
 201         string_ = NULL;
 202     }
 203
 204     operator JSStringRef() const {
 205         return string_;
 206     }
 207 };
 208
 209 #ifdef __APPLE__
 210 #define _weak __attribute__((__weak_import__));
 211 #else
 212 #define _weak
 213 #endif
 214
 215 typedef struct OpaqueJSWeakObjectMap *JSWeakObjectMapRef;
 216 typedef void (*JSWeakMapDestroyedCallback)(JSWeakObjectMapRef map, void *data);
 217
 218 extern "C" JSWeakObjectMapRef JSWeakObjectMapCreate(JSContextRef ctx, void *data, JSWeakMapDestroyedCallback destructor) _weak;
 219 extern "C" void JSWeakObjectMapSet(JSContextRef ctx, JSWeakObjectMapRef map, void *key, JSObjectRef) _weak;
 220 extern "C" JSObjectRef JSWeakObjectMapGet(JSContextRef ctx, JSWeakObjectMapRef map, void *key) _weak;
 221 extern "C" bool JSWeakObjectMapClear(JSContextRef ctx, JSWeakObjectMapRef map, void *key, JSObjectRef object) _weak;
 222 extern "C" void JSWeakObjectMapRemove(JSContextRef ctx, JSWeakObjectMapRef map, void* key) _weak;
 223
 224 typedef bool (*JSShouldTerminateCallback)(JSContextRef ctx, void *context);
 225 extern "C" void JSContextGroupSetExecutionTimeLimit(JSContextGroupRef, double limit, JSShouldTerminateCallback, void *context) _weak;
 226
 227 #endif/*CYCRIPT_JAVASCRIPT_HPP*/