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IdentifierExpression.cpp
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IdentifierExpression.cpp
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#include "IdentifierExpression.h"
IdentifierExpression::IdentifierExpression(const QString &identifier, Scope* context)
: Expression(context), m_identifier(identifier)
{
}
IdentifierExpression::~IdentifierExpression()
{
}
QVariant::Type IdentifierExpression::type() const
{
Scope* scopeToUse;
QString identifier = context()->findIdentifierAndScope(m_identifier, scopeToUse);
bool isClass = scopeToUse->hasScope(identifier);
if(isClass)
{
return scopeToUse->scope(identifier)->asQVariant().type();
}
else
{
if(!scopeToUse->hasVariable(identifier))
{
return QVariant::Invalid;
}
return scopeToUse->variable(identifier).type();
}
}
QVariant IdentifierExpression::evaluate()
{
Scope* scopeToUse;
QString identifier = context()->findIdentifierAndScope(m_identifier, scopeToUse);
bool isClass = scopeToUse->hasScope(identifier);
if(isClass)
{
return scopeToUse->scope(identifier)->asQVariant();
}
else
{
if(!scopeToUse->hasVariable(identifier))
{
showErrorMessage(QString("%1 is not defined.").arg(identifier));
return QVariant();
}
return scopeToUse->variable(identifier);
}
}