/*
* Copyright (C) 1999-2000 Harri Porten (porten@kde.org)
* Copyright (C) 2003, 2007, 2008 Apple Inc. All Rights Reserved.
+ * Copyright (C) 2009 Torch Mobile, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
#include "RegExpConstructor.h"
#include "ArrayPrototype.h"
+#include "Error.h"
#include "JSArray.h"
#include "JSFunction.h"
#include "JSString.h"
+#include "Lookup.h"
#include "ObjectPrototype.h"
#include "RegExpMatchesArray.h"
#include "RegExpObject.h"
#include "RegExpPrototype.h"
#include "RegExp.h"
+#include "RegExpCache.h"
namespace JSC {
-static JSValuePtr regExpConstructorInput(ExecState*, const Identifier&, const PropertySlot&);
-static JSValuePtr regExpConstructorMultiline(ExecState*, const Identifier&, const PropertySlot&);
-static JSValuePtr regExpConstructorLastMatch(ExecState*, const Identifier&, const PropertySlot&);
-static JSValuePtr regExpConstructorLastParen(ExecState*, const Identifier&, const PropertySlot&);
-static JSValuePtr regExpConstructorLeftContext(ExecState*, const Identifier&, const PropertySlot&);
-static JSValuePtr regExpConstructorRightContext(ExecState*, const Identifier&, const PropertySlot&);
-static JSValuePtr regExpConstructorDollar1(ExecState*, const Identifier&, const PropertySlot&);
-static JSValuePtr regExpConstructorDollar2(ExecState*, const Identifier&, const PropertySlot&);
-static JSValuePtr regExpConstructorDollar3(ExecState*, const Identifier&, const PropertySlot&);
-static JSValuePtr regExpConstructorDollar4(ExecState*, const Identifier&, const PropertySlot&);
-static JSValuePtr regExpConstructorDollar5(ExecState*, const Identifier&, const PropertySlot&);
-static JSValuePtr regExpConstructorDollar6(ExecState*, const Identifier&, const PropertySlot&);
-static JSValuePtr regExpConstructorDollar7(ExecState*, const Identifier&, const PropertySlot&);
-static JSValuePtr regExpConstructorDollar8(ExecState*, const Identifier&, const PropertySlot&);
-static JSValuePtr regExpConstructorDollar9(ExecState*, const Identifier&, const PropertySlot&);
-
-static void setRegExpConstructorInput(ExecState*, JSObject*, JSValuePtr);
-static void setRegExpConstructorMultiline(ExecState*, JSObject*, JSValuePtr);
+static JSValue regExpConstructorInput(ExecState*, JSValue, const Identifier&);
+static JSValue regExpConstructorMultiline(ExecState*, JSValue, const Identifier&);
+static JSValue regExpConstructorLastMatch(ExecState*, JSValue, const Identifier&);
+static JSValue regExpConstructorLastParen(ExecState*, JSValue, const Identifier&);
+static JSValue regExpConstructorLeftContext(ExecState*, JSValue, const Identifier&);
+static JSValue regExpConstructorRightContext(ExecState*, JSValue, const Identifier&);
+static JSValue regExpConstructorDollar1(ExecState*, JSValue, const Identifier&);
+static JSValue regExpConstructorDollar2(ExecState*, JSValue, const Identifier&);
+static JSValue regExpConstructorDollar3(ExecState*, JSValue, const Identifier&);
+static JSValue regExpConstructorDollar4(ExecState*, JSValue, const Identifier&);
+static JSValue regExpConstructorDollar5(ExecState*, JSValue, const Identifier&);
+static JSValue regExpConstructorDollar6(ExecState*, JSValue, const Identifier&);
+static JSValue regExpConstructorDollar7(ExecState*, JSValue, const Identifier&);
+static JSValue regExpConstructorDollar8(ExecState*, JSValue, const Identifier&);
+static JSValue regExpConstructorDollar9(ExecState*, JSValue, const Identifier&);
+
+static void setRegExpConstructorInput(ExecState*, JSObject*, JSValue);
+static void setRegExpConstructorMultiline(ExecState*, JSObject*, JSValue);
} // namespace JSC
@end
*/
-struct RegExpConstructorPrivate {
- // Global search cache / settings
- RegExpConstructorPrivate()
- : lastNumSubPatterns(0)
- , multiline(false)
- {
- }
-
- UString input;
- UString lastInput;
- OwnArrayPtr<int> lastOvector;
- unsigned lastNumSubPatterns : 31;
- bool multiline : 1;
-};
-
-RegExpConstructor::RegExpConstructor(ExecState* exec, PassRefPtr<Structure> structure, RegExpPrototype* regExpPrototype)
+RegExpConstructor::RegExpConstructor(ExecState* exec, NonNullPassRefPtr<Structure> structure, RegExpPrototype* regExpPrototype)
: InternalFunction(&exec->globalData(), structure, Identifier(exec, "RegExp"))
, d(new RegExpConstructorPrivate)
{
putDirectWithoutTransition(exec->propertyNames().length, jsNumber(exec, 2), ReadOnly | DontDelete | DontEnum);
}
-/*
- To facilitate result caching, exec(), test(), match(), search(), and replace() dipatch regular
- expression matching through the performMatch function. We use cached results to calculate,
- e.g., RegExp.lastMatch and RegExp.leftParen.
-*/
-void RegExpConstructor::performMatch(RegExp* r, const UString& s, int startOffset, int& position, int& length, int** ovector)
-{
- OwnArrayPtr<int> tmpOvector;
- position = r->match(s, startOffset, &tmpOvector);
-
- if (ovector)
- *ovector = tmpOvector.get();
-
- if (position != -1) {
- ASSERT(tmpOvector);
-
- length = tmpOvector[1] - tmpOvector[0];
-
- d->input = s;
- d->lastInput = s;
- d->lastOvector.set(tmpOvector.release());
- d->lastNumSubPatterns = r->numSubpatterns();
- }
-}
-
RegExpMatchesArray::RegExpMatchesArray(ExecState* exec, RegExpConstructorPrivate* data)
: JSArray(exec->lexicalGlobalObject()->regExpMatchesArrayStructure(), data->lastNumSubPatterns + 1)
{
d->lastInput = data->lastInput;
d->lastNumSubPatterns = data->lastNumSubPatterns;
unsigned offsetVectorSize = (data->lastNumSubPatterns + 1) * 2; // only copying the result part of the vector
- d->lastOvector.set(new int[offsetVectorSize]);
- memcpy(d->lastOvector.get(), data->lastOvector.get(), offsetVectorSize * sizeof(int));
+ d->lastOvector().resize(offsetVectorSize);
+ memcpy(d->lastOvector().data(), data->lastOvector().data(), offsetVectorSize * sizeof(int));
// d->multiline is not needed, and remains uninitialized
- setLazyCreationData(d);
+ setSubclassData(d);
}
RegExpMatchesArray::~RegExpMatchesArray()
{
- delete static_cast<RegExpConstructorPrivate*>(lazyCreationData());
+ delete static_cast<RegExpConstructorPrivate*>(subclassData());
}
void RegExpMatchesArray::fillArrayInstance(ExecState* exec)
{
- RegExpConstructorPrivate* d = static_cast<RegExpConstructorPrivate*>(lazyCreationData());
+ RegExpConstructorPrivate* d = static_cast<RegExpConstructorPrivate*>(subclassData());
ASSERT(d);
unsigned lastNumSubpatterns = d->lastNumSubPatterns;
for (unsigned i = 0; i <= lastNumSubpatterns; ++i) {
- int start = d->lastOvector[2 * i];
+ int start = d->lastOvector()[2 * i];
if (start >= 0)
- JSArray::put(exec, i, jsSubstring(exec, d->lastInput, start, d->lastOvector[2 * i + 1] - start));
+ JSArray::put(exec, i, jsSubstring(exec, d->lastInput, start, d->lastOvector()[2 * i + 1] - start));
+ else
+ JSArray::put(exec, i, jsUndefined());
}
PutPropertySlot slot;
- JSArray::put(exec, exec->propertyNames().index, jsNumber(exec, d->lastOvector[0]), slot);
+ JSArray::put(exec, exec->propertyNames().index, jsNumber(exec, d->lastOvector()[0]), slot);
JSArray::put(exec, exec->propertyNames().input, jsString(exec, d->input), slot);
delete d;
- setLazyCreationData(0);
+ setSubclassData(0);
}
JSObject* RegExpConstructor::arrayOfMatches(ExecState* exec) const
return new (exec) RegExpMatchesArray(exec, d.get());
}
-JSValuePtr RegExpConstructor::getBackref(ExecState* exec, unsigned i) const
+JSValue RegExpConstructor::getBackref(ExecState* exec, unsigned i) const
{
- if (d->lastOvector && i <= d->lastNumSubPatterns) {
- int start = d->lastOvector[2 * i];
+ if (!d->lastOvector().isEmpty() && i <= d->lastNumSubPatterns) {
+ int start = d->lastOvector()[2 * i];
if (start >= 0)
- return jsSubstring(exec, d->lastInput, start, d->lastOvector[2 * i + 1] - start);
+ return jsSubstring(exec, d->lastInput, start, d->lastOvector()[2 * i + 1] - start);
}
return jsEmptyString(exec);
}
-JSValuePtr RegExpConstructor::getLastParen(ExecState* exec) const
+JSValue RegExpConstructor::getLastParen(ExecState* exec) const
{
unsigned i = d->lastNumSubPatterns;
if (i > 0) {
- ASSERT(d->lastOvector);
- int start = d->lastOvector[2 * i];
+ ASSERT(!d->lastOvector().isEmpty());
+ int start = d->lastOvector()[2 * i];
if (start >= 0)
- return jsSubstring(exec, d->lastInput, start, d->lastOvector[2 * i + 1] - start);
+ return jsSubstring(exec, d->lastInput, start, d->lastOvector()[2 * i + 1] - start);
}
return jsEmptyString(exec);
}
-JSValuePtr RegExpConstructor::getLeftContext(ExecState* exec) const
+JSValue RegExpConstructor::getLeftContext(ExecState* exec) const
{
- if (d->lastOvector)
- return jsSubstring(exec, d->lastInput, 0, d->lastOvector[0]);
+ if (!d->lastOvector().isEmpty())
+ return jsSubstring(exec, d->lastInput, 0, d->lastOvector()[0]);
return jsEmptyString(exec);
}
-JSValuePtr RegExpConstructor::getRightContext(ExecState* exec) const
+JSValue RegExpConstructor::getRightContext(ExecState* exec) const
{
- if (d->lastOvector)
- return jsSubstring(exec, d->lastInput, d->lastOvector[1], d->lastInput.size() - d->lastOvector[1]);
+ if (!d->lastOvector().isEmpty())
+ return jsSubstring(exec, d->lastInput, d->lastOvector()[1], d->lastInput.size() - d->lastOvector()[1]);
return jsEmptyString(exec);
}
return getStaticValueSlot<RegExpConstructor, InternalFunction>(exec, ExecState::regExpConstructorTable(exec), this, propertyName, slot);
}
-JSValuePtr regExpConstructorDollar1(ExecState* exec, const Identifier&, const PropertySlot& slot)
+bool RegExpConstructor::getOwnPropertyDescriptor(ExecState* exec, const Identifier& propertyName, PropertyDescriptor& descriptor)
+{
+ return getStaticValueDescriptor<RegExpConstructor, InternalFunction>(exec, ExecState::regExpConstructorTable(exec), this, propertyName, descriptor);
+}
+
+JSValue regExpConstructorDollar1(ExecState* exec, JSValue slotBase, const Identifier&)
{
- return asRegExpConstructor(slot.slotBase())->getBackref(exec, 1);
+ return asRegExpConstructor(slotBase)->getBackref(exec, 1);
}
-JSValuePtr regExpConstructorDollar2(ExecState* exec, const Identifier&, const PropertySlot& slot)
+JSValue regExpConstructorDollar2(ExecState* exec, JSValue slotBase, const Identifier&)
{
- return asRegExpConstructor(slot.slotBase())->getBackref(exec, 2);
+ return asRegExpConstructor(slotBase)->getBackref(exec, 2);
}
-JSValuePtr regExpConstructorDollar3(ExecState* exec, const Identifier&, const PropertySlot& slot)
+JSValue regExpConstructorDollar3(ExecState* exec, JSValue slotBase, const Identifier&)
{
- return asRegExpConstructor(slot.slotBase())->getBackref(exec, 3);
+ return asRegExpConstructor(slotBase)->getBackref(exec, 3);
}
-JSValuePtr regExpConstructorDollar4(ExecState* exec, const Identifier&, const PropertySlot& slot)
+JSValue regExpConstructorDollar4(ExecState* exec, JSValue slotBase, const Identifier&)
{
- return asRegExpConstructor(slot.slotBase())->getBackref(exec, 4);
+ return asRegExpConstructor(slotBase)->getBackref(exec, 4);
}
-JSValuePtr regExpConstructorDollar5(ExecState* exec, const Identifier&, const PropertySlot& slot)
+JSValue regExpConstructorDollar5(ExecState* exec, JSValue slotBase, const Identifier&)
{
- return asRegExpConstructor(slot.slotBase())->getBackref(exec, 5);
+ return asRegExpConstructor(slotBase)->getBackref(exec, 5);
}
-JSValuePtr regExpConstructorDollar6(ExecState* exec, const Identifier&, const PropertySlot& slot)
+JSValue regExpConstructorDollar6(ExecState* exec, JSValue slotBase, const Identifier&)
{
- return asRegExpConstructor(slot.slotBase())->getBackref(exec, 6);
+ return asRegExpConstructor(slotBase)->getBackref(exec, 6);
}
-JSValuePtr regExpConstructorDollar7(ExecState* exec, const Identifier&, const PropertySlot& slot)
+JSValue regExpConstructorDollar7(ExecState* exec, JSValue slotBase, const Identifier&)
{
- return asRegExpConstructor(slot.slotBase())->getBackref(exec, 7);
+ return asRegExpConstructor(slotBase)->getBackref(exec, 7);
}
-JSValuePtr regExpConstructorDollar8(ExecState* exec, const Identifier&, const PropertySlot& slot)
+JSValue regExpConstructorDollar8(ExecState* exec, JSValue slotBase, const Identifier&)
{
- return asRegExpConstructor(slot.slotBase())->getBackref(exec, 8);
+ return asRegExpConstructor(slotBase)->getBackref(exec, 8);
}
-JSValuePtr regExpConstructorDollar9(ExecState* exec, const Identifier&, const PropertySlot& slot)
+JSValue regExpConstructorDollar9(ExecState* exec, JSValue slotBase, const Identifier&)
{
- return asRegExpConstructor(slot.slotBase())->getBackref(exec, 9);
+ return asRegExpConstructor(slotBase)->getBackref(exec, 9);
}
-JSValuePtr regExpConstructorInput(ExecState* exec, const Identifier&, const PropertySlot& slot)
+JSValue regExpConstructorInput(ExecState* exec, JSValue slotBase, const Identifier&)
{
- return jsString(exec, asRegExpConstructor(slot.slotBase())->input());
+ return jsString(exec, asRegExpConstructor(slotBase)->input());
}
-JSValuePtr regExpConstructorMultiline(ExecState*, const Identifier&, const PropertySlot& slot)
+JSValue regExpConstructorMultiline(ExecState*, JSValue slotBase, const Identifier&)
{
- return jsBoolean(asRegExpConstructor(slot.slotBase())->multiline());
+ return jsBoolean(asRegExpConstructor(slotBase)->multiline());
}
-JSValuePtr regExpConstructorLastMatch(ExecState* exec, const Identifier&, const PropertySlot& slot)
+JSValue regExpConstructorLastMatch(ExecState* exec, JSValue slotBase, const Identifier&)
{
- return asRegExpConstructor(slot.slotBase())->getBackref(exec, 0);
+ return asRegExpConstructor(slotBase)->getBackref(exec, 0);
}
-JSValuePtr regExpConstructorLastParen(ExecState* exec, const Identifier&, const PropertySlot& slot)
+JSValue regExpConstructorLastParen(ExecState* exec, JSValue slotBase, const Identifier&)
{
- return asRegExpConstructor(slot.slotBase())->getLastParen(exec);
+ return asRegExpConstructor(slotBase)->getLastParen(exec);
}
-JSValuePtr regExpConstructorLeftContext(ExecState* exec, const Identifier&, const PropertySlot& slot)
+JSValue regExpConstructorLeftContext(ExecState* exec, JSValue slotBase, const Identifier&)
{
- return asRegExpConstructor(slot.slotBase())->getLeftContext(exec);
+ return asRegExpConstructor(slotBase)->getLeftContext(exec);
}
-JSValuePtr regExpConstructorRightContext(ExecState* exec, const Identifier&, const PropertySlot& slot)
+JSValue regExpConstructorRightContext(ExecState* exec, JSValue slotBase, const Identifier&)
{
- return asRegExpConstructor(slot.slotBase())->getRightContext(exec);
+ return asRegExpConstructor(slotBase)->getRightContext(exec);
}
-void RegExpConstructor::put(ExecState* exec, const Identifier& propertyName, JSValuePtr value, PutPropertySlot& slot)
+void RegExpConstructor::put(ExecState* exec, const Identifier& propertyName, JSValue value, PutPropertySlot& slot)
{
lookupPut<RegExpConstructor, InternalFunction>(exec, propertyName, value, ExecState::regExpConstructorTable(exec), this, slot);
}
-void setRegExpConstructorInput(ExecState* exec, JSObject* baseObject, JSValuePtr value)
+void setRegExpConstructorInput(ExecState* exec, JSObject* baseObject, JSValue value)
{
asRegExpConstructor(baseObject)->setInput(value.toString(exec));
}
-void setRegExpConstructorMultiline(ExecState* exec, JSObject* baseObject, JSValuePtr value)
+void setRegExpConstructorMultiline(ExecState* exec, JSObject* baseObject, JSValue value)
{
asRegExpConstructor(baseObject)->setMultiline(value.toBoolean(exec));
}
// ECMA 15.10.4
JSObject* constructRegExp(ExecState* exec, const ArgList& args)
{
- JSValuePtr arg0 = args.at(exec, 0);
- JSValuePtr arg1 = args.at(exec, 1);
+ JSValue arg0 = args.at(0);
+ JSValue arg1 = args.at(1);
- if (arg0.isObject(&RegExpObject::info)) {
+ if (arg0.inherits(&RegExpObject::info)) {
if (!arg1.isUndefined())
return throwError(exec, TypeError, "Cannot supply flags when constructing one RegExp from another.");
return asObject(arg0);
UString pattern = arg0.isUndefined() ? UString("") : arg0.toString(exec);
UString flags = arg1.isUndefined() ? UString("") : arg1.toString(exec);
- RefPtr<RegExp> regExp = RegExp::create(&exec->globalData(), pattern, flags);
+ RefPtr<RegExp> regExp = exec->globalData().regExpCache()->lookupOrCreate(pattern, flags);
if (!regExp->isValid())
- return throwError(exec, SyntaxError, UString("Invalid regular expression: ").append(regExp->errorMessage()));
+ return throwError(exec, SyntaxError, makeString("Invalid regular expression: ", regExp->errorMessage()));
return new (exec) RegExpObject(exec->lexicalGlobalObject()->regExpStructure(), regExp.release());
}
}
// ECMA 15.10.3
-static JSValuePtr callRegExpConstructor(ExecState* exec, JSObject*, JSValuePtr, const ArgList& args)
+static JSValue JSC_HOST_CALL callRegExpConstructor(ExecState* exec, JSObject*, JSValue, const ArgList& args)
{
return constructRegExp(exec, args);
}