| // -*- mode: c++; c-basic-offset: 4 -*- |
| /* |
| * Copyright (C) 2006, 2007 Apple Inc. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * |
| * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY |
| * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR |
| * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
| * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
| * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR |
| * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY |
| * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #include <wtf/Platform.h> |
| #include "JSBase.h" |
| |
| #include "APICast.h" |
| |
| #include <kjs/ExecState.h> |
| #include <kjs/interpreter.h> |
| #include <kjs/JSLock.h> |
| #include <kjs/object.h> |
| |
| using namespace KJS; |
| |
| JSValueRef JSEvaluateScript(JSContextRef ctx, JSStringRef script, JSObjectRef thisObject, JSStringRef sourceURL, int startingLineNumber, JSValueRef* exception) |
| { |
| JSLock lock; |
| ExecState* exec = toJS(ctx); |
| JSObject* jsThisObject = toJS(thisObject); |
| UString::Rep* scriptRep = toJS(script); |
| UString::Rep* sourceURLRep = sourceURL ? toJS(sourceURL) : &UString::Rep::null; |
| // Interpreter::evaluate sets "this" to the global object if it is NULL |
| Completion completion = exec->dynamicInterpreter()->evaluate(UString(sourceURLRep), startingLineNumber, UString(scriptRep), jsThisObject); |
| |
| if (completion.complType() == Throw) { |
| if (exception) |
| *exception = toRef(completion.value()); |
| return 0; |
| } |
| |
| if (completion.value()) |
| return toRef(completion.value()); |
| |
| // happens, for example, when the only statement is an empty (';') statement |
| return toRef(jsUndefined()); |
| } |
| |
| bool JSCheckScriptSyntax(JSContextRef ctx, JSStringRef script, JSStringRef sourceURL, int startingLineNumber, JSValueRef* exception) |
| { |
| JSLock lock; |
| |
| ExecState* exec = toJS(ctx); |
| UString::Rep* scriptRep = toJS(script); |
| UString::Rep* sourceURLRep = sourceURL ? toJS(sourceURL) : &UString::Rep::null; |
| Completion completion = exec->dynamicInterpreter()->checkSyntax(UString(sourceURLRep), startingLineNumber, UString(scriptRep)); |
| if (completion.complType() == Throw) { |
| if (exception) |
| *exception = toRef(completion.value()); |
| return false; |
| } |
| |
| return true; |
| } |
| |
| void JSGarbageCollect(JSContextRef) |
| { |
| JSLock lock; |
| if (!Collector::isBusy()) |
| Collector::collect(); |
| // FIXME: Perhaps we should trigger a second mark and sweep |
| // once the garbage collector is done if this is called when |
| // the collector is busy. |
| } |