#include "config.h"
#include "operations.h"
#include "internal.h"
#include "object.h"
#include <math.h>
#include <stdio.h>
#include <wtf/MathExtras.h>
#if HAVE(FLOAT_H)
#include <float.h>
#endif
namespace KJS {
bool equal(ExecState *exec, JSValue *v1, JSValue *v2)
{
JSType t1 = v1->type();
JSType t2 = v2->type();
if (t1 != t2) {
if (t1 == UndefinedType)
t1 = NullType;
if (t2 == UndefinedType)
t2 = NullType;
if (t1 == BooleanType)
t1 = NumberType;
if (t2 == BooleanType)
t2 = NumberType;
if (t1 == NumberType && t2 == StringType) {
} else if (t1 == StringType && t2 == NumberType)
t1 = NumberType;
else {
if ((t1 == StringType || t1 == NumberType) && t2 == ObjectType) {
v2 = v2->toPrimitive(exec);
if (exec->hadException())
return false;
return equal(exec, v1, v2);
}
if (t1 == NullType && t2 == ObjectType)
return static_cast<JSObject *>(v2)->masqueradeAsUndefined();
if (t1 == ObjectType && (t2 == StringType || t2 == NumberType)) {
v1 = v1->toPrimitive(exec);
if (exec->hadException())
return false;
return equal(exec, v1, v2);
}
if (t1 == ObjectType && t2 == NullType)
return static_cast<JSObject *>(v1)->masqueradeAsUndefined();
if (t1 != t2)
return false;
}
}
if (t1 == UndefinedType || t1 == NullType)
return true;
if (t1 == NumberType) {
double d1 = v1->toNumber(exec);
double d2 = v2->toNumber(exec);
return d1 == d2;
}
if (t1 == StringType)
return static_cast<StringImp*>(v1)->value() == static_cast<StringImp*>(v2)->value();
if (t1 == BooleanType)
return v1->toBoolean(exec) == v2->toBoolean(exec);
return v1 == v2;
}
bool strictEqual(ExecState *exec, JSValue *v1, JSValue *v2)
{
JSType t1 = v1->type();
JSType t2 = v2->type();
if (t1 != t2)
return false;
if (t1 == UndefinedType || t1 == NullType)
return true;
if (t1 == NumberType) {
double n1 = v1->toNumber(exec);
double n2 = v2->toNumber(exec);
if (n1 == n2)
return true;
return false;
} else if (t1 == StringType)
return v1->toString(exec) == v2->toString(exec);
else if (t2 == BooleanType)
return v1->toBoolean(exec) == v2->toBoolean(exec);
if (v1 == v2)
return true;
return false;
}
}