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39
40 #include "qv4booleanobject_p.h"
41 #include "qv4string_p.h"
42
43 using namespace QV4;
44
45 DEFINE_OBJECT_VTABLE(BooleanCtor);
46 DEFINE_OBJECT_VTABLE(BooleanObject);
47
init(QV4::ExecutionContext * scope)48 void Heap::BooleanCtor::init(QV4::ExecutionContext *scope)
49 {
50 Heap::FunctionObject::init(scope, QStringLiteral("Boolean"));
51 }
52
virtualCallAsConstructor(const FunctionObject * that,const Value * argv,int argc,const Value * newTarget)53 ReturnedValue BooleanCtor::virtualCallAsConstructor(const FunctionObject *that, const Value *argv, int argc, const Value *newTarget)
54 {
55 auto v4 = that->engine();
56 bool n = argc ? argv[0].toBoolean() : false;
57
58 ReturnedValue o = Encode(v4->newBooleanObject(n));
59 if (!newTarget)
60 return o;
61 Scope scope(v4);
62 ScopedObject obj(scope, o);
63 obj->setProtoFromNewTarget(newTarget);
64 return obj->asReturnedValue();
65 }
66
virtualCall(const FunctionObject *,const Value *,const Value * argv,int argc)67 ReturnedValue BooleanCtor::virtualCall(const FunctionObject *, const Value *, const Value *argv, int argc)
68 {
69 bool value = argc ? argv[0].toBoolean() : 0;
70 return Encode(value);
71 }
72
init(ExecutionEngine * engine,Object * ctor)73 void BooleanPrototype::init(ExecutionEngine *engine, Object *ctor)
74 {
75 Scope scope(engine);
76 ScopedObject o(scope);
77 ctor->defineReadonlyConfigurableProperty(engine->id_length(), Value::fromInt32(1));
78 ctor->defineReadonlyProperty(engine->id_prototype(), (o = this));
79 defineDefaultProperty(QStringLiteral("constructor"), (o = ctor));
80 defineDefaultProperty(engine->id_toString(), method_toString);
81 defineDefaultProperty(engine->id_valueOf(), method_valueOf);
82 }
83
value(const Value * thisObject,bool * exception)84 static bool value(const Value *thisObject, bool *exception)
85 {
86 *exception = false;
87 if (thisObject->isBoolean()) {
88 return thisObject->booleanValue();
89 } else {
90 const BooleanObject *that = thisObject->as<BooleanObject>();
91 if (that)
92 return that->value();
93 }
94 *exception = true;
95 return false;
96 }
97
method_toString(const FunctionObject * b,const Value * thisObject,const Value *,int)98 ReturnedValue BooleanPrototype::method_toString(const FunctionObject *b, const Value *thisObject, const Value *, int)
99 {
100 bool exception;
101 bool result = ::value(thisObject, &exception);
102 ExecutionEngine *v4 = b->engine();
103 if (exception)
104 return v4->throwTypeError();
105
106 return (result ? v4->id_true() : v4->id_false())->asReturnedValue();
107 }
108
method_valueOf(const FunctionObject * b,const Value * thisObject,const Value *,int)109 ReturnedValue BooleanPrototype::method_valueOf(const FunctionObject *b, const Value *thisObject, const Value *, int)
110 {
111 bool exception;
112 bool result = ::value(thisObject, &exception);
113 if (exception) {
114 ExecutionEngine *v4 = b->engine();
115 return v4->throwTypeError();
116 }
117
118 return Encode(result);
119 }
120