23 #include "reference.h" 36 propertyNameIsNumber(false),
41 Reference::Reference(
const Object& b,
unsigned p)
43 propertyNameAsNumber(p),
45 propertyNameIsNumber(true)
49 Reference::Reference(ObjectImp *b,
const Identifier& p)
52 propertyNameIsNumber(false),
57 Reference::Reference(ObjectImp *b,
unsigned p)
59 propertyNameAsNumber(p),
61 propertyNameIsNumber(true)
68 propertyNameIsNumber(false),
73 Reference::Reference(
const Null& b,
unsigned p)
75 propertyNameAsNumber(p),
77 propertyNameIsNumber(true)
85 valueRef.baseIsValue =
true;
89 Reference::Reference()
97 exec->setException(err);
113 if (propertyNameIsNumber && prop.isNull())
114 prop = Identifier::from(propertyNameAsNumber);
124 Value o = getBase(exec);
127 UString m = I18N_NOOP(
"Can't find variable: ") + getPropertyName(exec).ustring();
129 exec->setException(err);
133 if (o.
type() != ObjectType) {
134 UString m = I18N_NOOP(
"Base is not an object");
136 exec->setException(err);
140 ObjectImp *oimp =
static_cast<ObjectImp*
>(o.imp());
141 if (propertyNameIsNumber)
142 return oimp->getPropertyByIndex(exec, propertyNameAsNumber);
143 return oimp->
get(exec, prop);
150 exec->setException(err);
155 printInfo(exec,(
UString(
"setting property ")+getPropertyName(exec).ustring()).cstring().c_str(),w);
157 Value o = getBase(exec);
158 if (o.
type() == NullType)
159 o =
Value(exec->
context().imp()->scopeChain().bottom());
161 ObjectImp *oimp =
static_cast<ObjectImp*
>(o.imp());
162 if (propertyNameIsNumber)
163 oimp->putPropertyByIndex(exec, propertyNameAsNumber, w);
165 oimp->put(exec, prop, w);
168 bool Reference::deleteValue(
ExecState *exec)
172 exec->setException(err);
176 Value b = getBase(exec);
179 if (b.
type() != ObjectType) {
180 assert(b.
type() == NullType);
184 ObjectImp *bimp =
static_cast<ObjectImp*
>(b.imp());
185 if (propertyNameIsNumber)
186 return bimp->deletePropertyByIndex(exec, propertyNameAsNumber);
187 return bimp->deleteProperty(exec, prop);
190 bool Reference::isMutable()
Value objects are act as wrappers ("smart pointers") around ValueImp objects and their descendents...
Value getValue(ExecState *exec) const
Performs the GetValue type conversion operation on this value (ECMA 8.7.1)
Value get(ExecState *exec, const Identifier &propertyName) const
Retrieves the specified property from the object.
Type type() const
Returns the type of value.
Represents an primitive Null value.
Value getBase(ExecState *exec) const
Performs the GetBase type conversion operation on this value (ECMA 8.7)
char * ascii() const
Convert the Unicode string to plain ASCII chars chopping of any higher bytes.
static Object create(ExecState *exec, ErrorType errtype=GeneralError, const char *message=0, int lineno=-1, int sourceId=-1)
Factory method for error objects.
Defines a Javascript reference.
bool isValid() const
Returns whether or not this is a valid value.
void putValue(ExecState *exec, const Value &w)
Performs the PutValue type conversion operation on this value (ECMA 8.7.1)
Identifier getPropertyName(ExecState *exec) const
Performs the GetPropertyName type conversion operation on this value (ECMA 8.7)
Context context() const
Returns the execution context associated with this execution state.
Represents the current state of script execution.
Represents an Identifier for a Javascript object.