RegExpPrototype.cpp [plain text]
#include "config.h"
#include "RegExpPrototype.h"
#include "ArrayPrototype.h"
#include "Error.h"
#include "JSArray.h"
#include "JSCJSValue.h"
#include "JSFunction.h"
#include "JSObject.h"
#include "JSString.h"
#include "JSStringBuilder.h"
#include "ObjectPrototype.h"
#include "JSCInlines.h"
#include "RegExpObject.h"
#include "RegExp.h"
#include "RegExpCache.h"
#include "StringRecursionChecker.h"
namespace JSC {
static EncodedJSValue JSC_HOST_CALL regExpProtoFuncTest(ExecState*);
static EncodedJSValue JSC_HOST_CALL regExpProtoFuncExec(ExecState*);
static EncodedJSValue JSC_HOST_CALL regExpProtoFuncCompile(ExecState*);
static EncodedJSValue JSC_HOST_CALL regExpProtoFuncToString(ExecState*);
}
#include "RegExpPrototype.lut.h"
namespace JSC {
const ClassInfo RegExpPrototype::s_info = { "RegExp", &RegExpObject::s_info, 0, ExecState::regExpPrototypeTable, CREATE_METHOD_TABLE(RegExpPrototype) };
RegExpPrototype::RegExpPrototype(VM& vm, Structure* structure, RegExp* regExp)
: RegExpObject(vm, structure, regExp)
{
}
bool RegExpPrototype::getOwnPropertySlot(JSObject* object, ExecState* exec, PropertyName propertyName, PropertySlot &slot)
{
return getStaticFunctionSlot<RegExpObject>(exec, ExecState::regExpPrototypeTable(exec->vm()), jsCast<RegExpPrototype*>(object), propertyName, slot);
}
EncodedJSValue JSC_HOST_CALL regExpProtoFuncTest(ExecState* exec)
{
JSValue thisValue = exec->thisValue();
if (!thisValue.inherits(RegExpObject::info()))
return throwVMTypeError(exec);
return JSValue::encode(jsBoolean(asRegExpObject(thisValue)->test(exec, exec->argument(0).toString(exec))));
}
EncodedJSValue JSC_HOST_CALL regExpProtoFuncExec(ExecState* exec)
{
JSValue thisValue = exec->thisValue();
if (!thisValue.inherits(RegExpObject::info()))
return throwVMTypeError(exec);
return JSValue::encode(asRegExpObject(thisValue)->exec(exec, exec->argument(0).toString(exec)));
}
EncodedJSValue JSC_HOST_CALL regExpProtoFuncCompile(ExecState* exec)
{
JSValue thisValue = exec->thisValue();
if (!thisValue.inherits(RegExpObject::info()))
return throwVMTypeError(exec);
RegExp* regExp;
JSValue arg0 = exec->argument(0);
JSValue arg1 = exec->argument(1);
if (arg0.inherits(RegExpObject::info())) {
if (!arg1.isUndefined())
return throwVMError(exec, createTypeError(exec, ASCIILiteral("Cannot supply flags when constructing one RegExp from another.")));
regExp = asRegExpObject(arg0)->regExp();
} else {
String pattern = !exec->argumentCount() ? emptyString() : arg0.toString(exec)->value(exec);
if (exec->hadException())
return JSValue::encode(jsUndefined());
RegExpFlags flags = NoFlags;
if (!arg1.isUndefined()) {
flags = regExpFlags(arg1.toString(exec)->value(exec));
if (exec->hadException())
return JSValue::encode(jsUndefined());
if (flags == InvalidFlags)
return throwVMError(exec, createSyntaxError(exec, ASCIILiteral("Invalid flags supplied to RegExp constructor.")));
}
regExp = RegExp::create(exec->vm(), pattern, flags);
}
if (!regExp->isValid())
return throwVMError(exec, createSyntaxError(exec, regExp->errorMessage()));
asRegExpObject(thisValue)->setRegExp(exec->vm(), regExp);
asRegExpObject(thisValue)->setLastIndex(exec, 0);
return JSValue::encode(jsUndefined());
}
EncodedJSValue JSC_HOST_CALL regExpProtoFuncToString(ExecState* exec)
{
JSValue thisValue = exec->thisValue();
if (!thisValue.inherits(RegExpObject::info()))
return throwVMTypeError(exec);
RegExpObject* thisObject = asRegExpObject(thisValue);
StringRecursionChecker checker(exec, thisObject);
if (JSValue earlyReturnValue = checker.earlyReturnValue())
return JSValue::encode(earlyReturnValue);
char postfix[5] = { '/', 0, 0, 0, 0 };
int index = 1;
if (thisObject->get(exec, exec->propertyNames().global).toBoolean(exec))
postfix[index++] = 'g';
if (thisObject->get(exec, exec->propertyNames().ignoreCase).toBoolean(exec))
postfix[index++] = 'i';
if (thisObject->get(exec, exec->propertyNames().multiline).toBoolean(exec))
postfix[index] = 'm';
String source = thisObject->get(exec, exec->propertyNames().source).toString(exec)->value(exec);
return JSValue::encode(jsMakeNontrivialString(exec, "/", source, postfix));
}
}