X-Git-Url: https://git.saurik.com/apple/javascriptcore.git/blobdiff_plain/b37bf2e156556c589aea3e1f58a377f2b1189665..93a3786624b2768d89bfa27e46598dc64e2fb70a:/API/JSBase.cpp?ds=sidebyside diff --git a/API/JSBase.cpp b/API/JSBase.cpp index d8acc42..c51231c 100644 --- a/API/JSBase.cpp +++ b/API/JSBase.cpp @@ -1,4 +1,3 @@ -// -*- mode: c++; c-basic-offset: 4 -*- /* * Copyright (C) 2006, 2007 Apple Inc. All rights reserved. * @@ -21,67 +20,136 @@ * 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. + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #include "config.h" #include "JSBase.h" +#include "JSBasePrivate.h" #include "APICast.h" -#include -#include -#include -#include -#include +#include "APIShims.h" +#include "CallFrame.h" +#include "Completion.h" +#include "InitializeThreading.h" +#include "JSGlobalObject.h" +#include "JSLock.h" +#include "JSObject.h" +#include "OpaqueJSString.h" +#include "Operations.h" +#include "SourceCode.h" +#include -using namespace KJS; +using namespace JSC; JSValueRef JSEvaluateScript(JSContextRef ctx, JSStringRef script, JSObjectRef thisObject, JSStringRef sourceURL, int startingLineNumber, JSValueRef* exception) { - JSLock lock; + if (!ctx) { + ASSERT_NOT_REACHED(); + return 0; + } ExecState* exec = toJS(ctx); + APIEntryShim entryShim(exec); + 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 = Interpreter::evaluate(exec->dynamicGlobalObject()->globalExec(), UString(sourceURLRep), startingLineNumber, UString(scriptRep), jsThisObject); - if (completion.complType() == Throw) { + // evaluate sets "this" to the global object if it is NULL + JSGlobalObject* globalObject = exec->dynamicGlobalObject(); + SourceCode source = makeSource(script->string(), sourceURL->string(), TextPosition(OrdinalNumber::fromOneBasedInt(startingLineNumber), OrdinalNumber::first())); + + JSValue evaluationException; + JSValue returnValue = evaluate(globalObject->globalExec(), source, jsThisObject, &evaluationException); + + if (evaluationException) { if (exception) - *exception = toRef(completion.value()); + *exception = toRef(exec, evaluationException); return 0; } - - if (completion.value()) - return toRef(completion.value()); - + + if (returnValue) + return toRef(exec, returnValue); + // happens, for example, when the only statement is an empty (';') statement - return toRef(jsUndefined()); + return toRef(exec, jsUndefined()); } bool JSCheckScriptSyntax(JSContextRef ctx, JSStringRef script, JSStringRef sourceURL, int startingLineNumber, JSValueRef* exception) { - JSLock lock; - + if (!ctx) { + ASSERT_NOT_REACHED(); + return false; + } ExecState* exec = toJS(ctx); - UString::Rep* scriptRep = toJS(script); - UString::Rep* sourceURLRep = sourceURL ? toJS(sourceURL) : &UString::Rep::null; - Completion completion = Interpreter::checkSyntax(exec->dynamicGlobalObject()->globalExec(), UString(sourceURLRep), startingLineNumber, UString(scriptRep)); - if (completion.complType() == Throw) { + APIEntryShim entryShim(exec); + + SourceCode source = makeSource(script->string(), sourceURL->string(), TextPosition(OrdinalNumber::fromOneBasedInt(startingLineNumber), OrdinalNumber::first())); + + JSValue syntaxException; + bool isValidSyntax = checkSyntax(exec->dynamicGlobalObject()->globalExec(), source, &syntaxException); + + if (!isValidSyntax) { if (exception) - *exception = toRef(completion.value()); + *exception = toRef(exec, syntaxException); return false; } - + return true; } -void JSGarbageCollect(JSContextRef) +void JSGarbageCollect(JSContextRef ctx) +{ + // We used to recommend passing NULL as an argument here, which caused the only heap to be collected. + // As there is no longer a shared heap, the previously recommended usage became a no-op (but the GC + // will happen when the context group is destroyed). + // Because the function argument was originally ignored, some clients may pass their released context here, + // in which case there is a risk of crashing if another thread performs GC on the same heap in between. + if (!ctx) + return; + + ExecState* exec = toJS(ctx); + APIEntryShim entryShim(exec, false); + + exec->vm().heap.reportAbandonedObjectGraph(); +} + +void JSReportExtraMemoryCost(JSContextRef ctx, size_t size) +{ + if (!ctx) { + ASSERT_NOT_REACHED(); + return; + } + ExecState* exec = toJS(ctx); + APIEntryShim entryShim(exec); + exec->vm().heap.reportExtraMemoryCost(size); +} + +extern "C" JS_EXPORT void JSSynchronousGarbageCollectForDebugging(JSContextRef); + +void JSSynchronousGarbageCollectForDebugging(JSContextRef ctx) { - 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. + if (!ctx) + return; + + ExecState* exec = toJS(ctx); + APIEntryShim entryShim(exec); + exec->vm().heap.collectAllGarbage(); } + +#if PLATFORM(IOS) +void JSDisableGCTimer(void) +{ + GCActivityCallback::s_shouldCreateGCTimer = false; +} + +JS_EXPORT extern const char install_name_4_3 __asm("$ld$install_name$os4.3$/System/Library/PrivateFrameworks/JavaScriptCore.framework/JavaScriptCore"); +JS_EXPORT extern const char install_name_5_0 __asm("$ld$install_name$os5.0$/System/Library/PrivateFrameworks/JavaScriptCore.framework/JavaScriptCore"); +JS_EXPORT extern const char install_name_5_1 __asm("$ld$install_name$os5.1$/System/Library/PrivateFrameworks/JavaScriptCore.framework/JavaScriptCore"); +JS_EXPORT extern const char install_name_6_0 __asm("$ld$install_name$os6.0$/System/Library/PrivateFrameworks/JavaScriptCore.framework/JavaScriptCore"); +JS_EXPORT extern const char install_name_6_1 __asm("$ld$install_name$os6.1$/System/Library/PrivateFrameworks/JavaScriptCore.framework/JavaScriptCore"); + +const char install_name_4_3 = 0; +const char install_name_5_0 = 0; +const char install_name_5_1 = 0; +const char install_name_6_0 = 0; +const char install_name_6_1 = 0; +#endif // PLATFORM(IOS)