/**
* Evaluates the expression.
*
* @param env the calling environment.
*
* @return the expression value.
*/
public override Value eval(Env env)
{
Value array = _expr.eval(env);
Value index = _index.eval(env);
return(array.get(index));
}
/**
* Evaluates the expression.
*
* @param env the calling environment.
*
* @return the expression value.
*/
public override Value eval(Env env)
{
if (!_value.isVar())
{
env.error(L.l("each() argument must be a variable at '{0}'", _value));
return(NullValue.NULL);
}
Value value = _value.eval(env);
_listHead.evalAssignEachValue(env, value);
return(value);
}
public override Value eval(Env env)
{
Value value = _value.eval(env);
StringValue sb = value.ToStringBuilder(env);
for (BinaryAppendExpr ptr = _next; ptr != null; ptr = ptr._next)
{
Value ptrValue = ptr._value.eval(env);
sb = sb.appendUnicode(ptrValue);
}
return(sb);
}
/**
* Evaluates the expression as an array index unset
*/
public void evalUnsetArray(Env env, Expr indexExpr)
{
Value array = evalDirty(env);
Value index = indexExpr.eval(env);
array.remove(index);
}
/**
* Evaluates the expression.
*
* @param env the calling environment.
*
* @return the expression value.
*/
public bool evalBoolean(Env env)
{
Value array = _expr.eval(env);
Value index = _index.eval(env);
return(array.get(index) != UnsetValue.UNSET);
}
/**
* Evaluates the expression.
*
* @param env the calling environment.
*
* @return the expression value.
*/
public Value eval(Env env)
{
Value array = _expr.eval(env);
Value index = _index.eval(env);
return(array.remove(index));
}
/**
* Evaluates the expression as an array index unset
*/
public override void evalUnsetArray(Env env, Expr indexExpr)
{
Value obj = _objExpr.eval(env);
Value index = indexExpr.eval(env);
obj.unsetArray(env, _name, index);
}
/**
* Evaluates the expression.
*
* @param env the calling environment.
*
* @return the expression value.
*/
public Value evalImpl(Env env, bool isRef, bool isCopy)
{
Value value = _name.eval(env);
Value [] args = evalArgs(env, _args);
env.pushCall(this, NullValue.NULL, null);
try {
env.checkTimeout();
if (isRef)
{
return(value.callRef(env, args));
}
else if (isCopy)
{
return(value.call(env, args).copyReturn());
}
else
{
return(value.call(env, args).toValue());
}
} finally {
env.popCall();
}
}
/**
* Evaluates the expression.
*
* @param env the calling environment.
*
* @return the expression value.
*/
public Value eval(Env env)
{
Value value = _value.eval(env);
_listHead.evalAssignValue(env, value);
return(value);
}
/**
* Evaluates the expression.
*
* @param env the calling environment.
*
* @return the expression value.
*/
public override Value eval(Env env)
{
Value obj = _objExpr.eval(env);
StringValue methodName = _methodName;
int hash = methodName.hashCodeCaseInsensitive();
return(eval(env, obj, methodName, hash, _args));
}
/**
* Evaluates the expression.
*
* @param env the calling environment.
*
* @return the expression value.
*/
public Value eval(Env env)
{
if (_test.evalBoolean(env))
{
return(_trueExpr.eval(env));
}
else
{
return(_falseExpr.eval(env));
}
}
/**
* Evaluates the expression.
*
* @param env the calling environment.
*
* @return the expression value.
*/
public Value eval(Env env)
{
if (_value != null)
{
Value msg = _value.eval(env);
return(env.exit(msg));
}
else
{
return(env.exit());
}
}
/**
* Evaluates the expression.
*
* @param env the calling environment.
*
* @return the expression value.
*/
public Value eval(Env env)
{
Value value = _test.eval(env);
if (value.toBoolean())
{
return(value.copy()); // php/03cj, php/03ck
}
else
{
return(_falseExpr.evalCopy(env)); // php/03cl
}
}
/**
* Evaluates as an array index assign ($a[index] = &value).
*/
public override Value evalArrayAssignRef(Env env, Expr indexExpr, Expr valueExpr)
{
Value obj = env.getThis();
StringValue name = evalName(env);
Value fieldVar = obj.getThisFieldArray(env, name);
Value index = indexExpr.eval(env);
Value value = valueExpr.evalRef(env);
// php/03mn
return(fieldVar.putThisFieldArray(env, obj, name, index, value));
}
/**
* Evaluates as an array index assign ($a[index] = value).
* @return what was assigned
*/
public Value evalArrayAssignRef(Env env, Expr indexExpr, Value value)
{
// php/03mk, php/03mm, php/03mn, php/04b3
// overrided in ThisFieldExpr and ThisFieldVarExpr
//Value var = eval(env);
//
//return var.put(index, value);
Value array = evalArray(env);
Value index = indexExpr.eval(env);
Value result = array.put(index, value);
//return array.get(index); // php/03mm php/03mn
return(result);
}
/**
* Evaluates as an array index assign ($a[index] = value).
*/
public override Value evalArrayAssignRef(Env env, Expr indexExpr, Expr valueExpr)
{
init();
Value obj = env.getThis();
if (obj.isNull())
{
return(env.thisError(getLocation()));
}
// php/044i
Value fieldVar = obj.getThisFieldArray(env, _name);
Value index = indexExpr.eval(env);
Value value = valueExpr.evalRef(env);
return(fieldVar.putThisFieldArray(env, obj, _name, index, value));
}
/**
* Evaluates the expression.
*
* @param env the calling environment.
*
* @return the expression value.
*/
public Value eval(Env env)
{
Value [] values = new Value[_args.length];
for (int i = 0; i < values.length; i++)
{
values[i] = _args[i].evalArg(env, true);
}
StringValue methodName = _name.eval(env).ToStringValue(env);
Value obj = _objExpr.eval(env);
env.pushCall(this, obj, values);
try {
env.checkTimeout();
return(obj.callMethod(env, methodName, values));
} finally {
env.popCall();
}
}
/**
* Evaluates the expression.
*
* @param env the calling environment.
*
* @return the expression value.
*/
public Value eval(Env env)
{
Value obj = _objExpr.eval(env);
return(obj.getField(env, _nameExpr.evalStringValue(env)));
}
/**
* Evaluates the expression.
*
* @param env the calling environment.
*
* @return the expression value.
*/
public override Value eval(Env env)
{
Value obj = _objExpr.eval(env);
return(obj.charValueAt(_indexExpr.evalLong(env)));
}
/**
* Evaluates the expression.
*
* @param env the calling environment.
*
* @return the expression value.
*/
public override Value eval(Env env)
{
Value obj = _objExpr.eval(env);
return(obj.getField(env, _name));
}