public int GetVariable(VariableIdent ident)
{
if (variables.ContainsKey(ident))
{
return variables[ident];
}
return -1;
}
public void InitVariable(string variable)
{
VariableIdent ident = new VariableIdent()
{
FrameId = frameStack.Peek().Id,
VariableName = variable
};
if (!variables.ContainsKey(ident))
{
variables[ident] = new ObjectVariable(new Undefined());
}
}
public void AddVariable(VariableIdent ident, int id)
{
variables.Add(ident, id);
}
public void SetVariableValue(string variable, Variable value)
{
Variable var = FindVariable(variable);
if (var != null)
{
var.SetValue(value.Value);
}
else
{
VariableIdent ident = new VariableIdent()
{
FrameId = frameStack.Peek().Id,
VariableName = variable
};
variables.Add(ident, value);
}
}
private Variable FindVariable(string variableName)
{
Frame currentFrame = frameStack.Peek();
VariableIdent variableIdent = new VariableIdent()
{
FrameId = currentFrame.Id,
VariableName = variableName
};
while (!(variables.ContainsKey(variableIdent)) && (currentFrame.Parent != null))
{
currentFrame = currentFrame.Parent;
variableIdent.FrameId = currentFrame.Id;
}
if (variables.ContainsKey(variableIdent))
{
return variables[variableIdent];
}
return null;
}
