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      1 /*
      2  * Copyright (C) 2009 Google Inc. All rights reserved.
      3  *
      4  * Redistribution and use in source and binary forms, with or without
      5  * modification, are permitted provided that the following conditions are
      6  * met:
      7  *
      8  *     * Redistributions of source code must retain the above copyright
      9  * notice, this list of conditions and the following disclaimer.
     10  *     * Redistributions in binary form must reproduce the above
     11  * copyright notice, this list of conditions and the following disclaimer
     12  * in the documentation and/or other materials provided with the
     13  * distribution.
     14  *     * Neither the name of Google Inc. nor the names of its
     15  * contributors may be used to endorse or promote products derived from
     16  * this software without specific prior written permission.
     17  *
     18  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
     19  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
     20  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
     21  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
     22  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
     23  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
     24  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     25  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     26  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     27  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
     28  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     29  */
     30 
     31 #include "config.h"
     32 #include "ScriptFunctionCall.h"
     33 
     34 #include "JSDOMBinding.h"
     35 #include "ScriptString.h"
     36 #include "ScriptValue.h"
     37 
     38 #include <runtime/JSLock.h>
     39 #include <runtime/UString.h>
     40 
     41 using namespace JSC;
     42 
     43 namespace WebCore {
     44 
     45 ScriptFunctionCall::ScriptFunctionCall(const ScriptObject& thisObject, const String& name)
     46     : m_exec(thisObject.scriptState())
     47     , m_thisObject(thisObject)
     48     , m_name(name)
     49 {
     50 }
     51 
     52 void ScriptFunctionCall::appendArgument(const ScriptObject& argument)
     53 {
     54     if (argument.scriptState() != m_exec) {
     55         ASSERT_NOT_REACHED();
     56         return;
     57     }
     58     m_arguments.append(argument.jsObject());
     59 }
     60 
     61 void ScriptFunctionCall::appendArgument(const ScriptString& argument)
     62 {
     63     m_arguments.append(jsString(m_exec, argument));
     64 }
     65 
     66 void ScriptFunctionCall::appendArgument(const ScriptValue& argument)
     67 {
     68     m_arguments.append(argument.jsValue());
     69 }
     70 
     71 void ScriptFunctionCall::appendArgument(const String& argument)
     72 {
     73     JSLock lock(SilenceAssertionsOnly);
     74     m_arguments.append(jsString(m_exec, argument));
     75 }
     76 
     77 void ScriptFunctionCall::appendArgument(const JSC::UString& argument)
     78 {
     79     JSLock lock(SilenceAssertionsOnly);
     80     m_arguments.append(jsString(m_exec, argument));
     81 }
     82 
     83 void ScriptFunctionCall::appendArgument(const char* argument)
     84 {
     85     JSLock lock(SilenceAssertionsOnly);
     86     m_arguments.append(jsString(m_exec, UString(argument)));
     87 }
     88 
     89 void ScriptFunctionCall::appendArgument(JSC::JSValue argument)
     90 {
     91     m_arguments.append(argument);
     92 }
     93 
     94 void ScriptFunctionCall::appendArgument(long argument)
     95 {
     96     JSLock lock(SilenceAssertionsOnly);
     97     m_arguments.append(jsNumber(m_exec, argument));
     98 }
     99 
    100 void ScriptFunctionCall::appendArgument(long long argument)
    101 {
    102     JSLock lock(SilenceAssertionsOnly);
    103     m_arguments.append(jsNumber(m_exec, argument));
    104 }
    105 
    106 void ScriptFunctionCall::appendArgument(unsigned int argument)
    107 {
    108     JSLock lock(SilenceAssertionsOnly);
    109     m_arguments.append(jsNumber(m_exec, argument));
    110 }
    111 
    112 void ScriptFunctionCall::appendArgument(unsigned long argument)
    113 {
    114     JSLock lock(SilenceAssertionsOnly);
    115     m_arguments.append(jsNumber(m_exec, argument));
    116 }
    117 
    118 void ScriptFunctionCall::appendArgument(int argument)
    119 {
    120     JSLock lock(SilenceAssertionsOnly);
    121     m_arguments.append(jsNumber(m_exec, argument));
    122 }
    123 
    124 void ScriptFunctionCall::appendArgument(bool argument)
    125 {
    126     m_arguments.append(jsBoolean(argument));
    127 }
    128 
    129 ScriptValue ScriptFunctionCall::call(bool& hadException, bool reportExceptions)
    130 {
    131     JSObject* thisObject = m_thisObject.jsObject();
    132 
    133     JSLock lock(SilenceAssertionsOnly);
    134 
    135     JSValue function = thisObject->get(m_exec, Identifier(m_exec, m_name));
    136     if (m_exec->hadException()) {
    137         if (reportExceptions)
    138             reportException(m_exec, m_exec->exception());
    139 
    140         hadException = true;
    141         return ScriptValue();
    142     }
    143 
    144     CallData callData;
    145     CallType callType = function.getCallData(callData);
    146     if (callType == CallTypeNone)
    147         return ScriptValue();
    148 
    149     JSValue result = JSC::call(m_exec, function, callType, callData, thisObject, m_arguments);
    150     if (m_exec->hadException()) {
    151         if (reportExceptions)
    152             reportException(m_exec, m_exec->exception());
    153 
    154         hadException = true;
    155         return ScriptValue();
    156     }
    157 
    158     return ScriptValue(result);
    159 }
    160 
    161 ScriptValue ScriptFunctionCall::call()
    162 {
    163     bool hadException = false;
    164     return call(hadException);
    165 }
    166 
    167 ScriptObject ScriptFunctionCall::construct(bool& hadException, bool reportExceptions)
    168 {
    169     JSObject* thisObject = m_thisObject.jsObject();
    170 
    171     JSLock lock(SilenceAssertionsOnly);
    172 
    173     JSObject* constructor = asObject(thisObject->get(m_exec, Identifier(m_exec, m_name)));
    174     if (m_exec->hadException()) {
    175         if (reportExceptions)
    176             reportException(m_exec, m_exec->exception());
    177 
    178         hadException = true;
    179         return ScriptObject();
    180     }
    181 
    182     ConstructData constructData;
    183     ConstructType constructType = constructor->getConstructData(constructData);
    184     if (constructType == ConstructTypeNone)
    185         return ScriptObject();
    186 
    187     JSValue result = JSC::construct(m_exec, constructor, constructType, constructData, m_arguments);
    188     if (m_exec->hadException()) {
    189         if (reportExceptions)
    190             reportException(m_exec, m_exec->exception());
    191 
    192         hadException = true;
    193         return ScriptObject();
    194     }
    195 
    196     return ScriptObject(m_exec, asObject(result));
    197 }
    198 
    199 } // namespace WebCore
    200