bindings/ScriptFunctionCall.h

   1 /*
   2  * Copyright (C) 2013 Apple Inc. All rights reserved.
   3  * Copyright (C) 2009 Google Inc. All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions are
   7  * met:
   8  *
   9  *     * Redistributions of source code must retain the above copyright
  10  * notice, this list of conditions and the following disclaimer.
  11  *     * Redistributions in binary form must reproduce the above
  12  * copyright notice, this list of conditions and the following disclaimer
  13  * in the documentation and/or other materials provided with the
  14  * distribution.
  15  *     * Neither the name of Google Inc. nor the names of its
  16  * contributors may be used to endorse or promote products derived from
  17  * this software without specific prior written permission.
  18  *
  19  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  20  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  21  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  22  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  23  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  24  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  25  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  26  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  27  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  28  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  29  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  30  */
  31
  32 #ifndef ScriptFunctionCall_h
  33 #define ScriptFunctionCall_h
  34
  35 #include "ArgList.h"
  36 #include "ScriptObject.h"
  37 #include <wtf/text/WTFString.h>
  38
  39 namespace JSC {
  40 class JSValue;
  41 }
  42
  43 namespace Deprecated {
  44
  45 class JS_EXPORT_PRIVATE ScriptCallArgumentHandler {
  46 public:
  47     ScriptCallArgumentHandler(JSC::ExecState* state) : m_exec(state) { }
  48
  49     void appendArgument(const ScriptObject&);
  50     void appendArgument(const ScriptValue&);
  51     void appendArgument(const char*);
  52     void appendArgument(const String&);
  53     void appendArgument(JSC::JSValue);
  54     void appendArgument(long);
  55     void appendArgument(long long);
  56     void appendArgument(unsigned int);
  57     void appendArgument(unsigned long);
  58     void appendArgument(int);
  59     void appendArgument(bool);
  60
  61 protected:
  62     JSC::MarkedArgumentBuffer m_arguments;
  63     JSC::ExecState* m_exec;
  64
  65 private:
  66     // MarkedArgumentBuffer must be stack allocated, so prevent heap
  67     // alloc of ScriptFunctionCall as well.
  68     void* operator new(size_t) { ASSERT_NOT_REACHED(); return reinterpret_cast<void*>(0xbadbeef); }
  69     void* operator new[](size_t) { ASSERT_NOT_REACHED(); return reinterpret_cast<void*>(0xbadbeef); }
  70 };
  71
  72 class JS_EXPORT_PRIVATE ScriptFunctionCall : public ScriptCallArgumentHandler {
  73 public:
  74     typedef JSC::JSValue (*ScriptFunctionCallHandler)(JSC::ExecState* exec, JSC::JSValue functionObject, JSC::CallType callType, const JSC::CallData& callData, JSC::JSValue thisValue, const JSC::ArgList& args, JSC::JSValue* exception);
  75     ScriptFunctionCall(const ScriptObject& thisObject, const String& name, ScriptFunctionCallHandler handler = nullptr);
  76     ScriptValue call(bool& hadException);
  77     ScriptValue call();
  78
  79 protected:
  80     ScriptFunctionCallHandler m_callHandler;
  81     ScriptObject m_thisObject;
  82     String m_name;
  83 };
  84
  85 } // namespace Deprecated
  86
  87 #endif // ScriptFunctionCall