public SymbolTable(SymbolTable theParentScope)
{
parentScope = theParentScope;
theVariableTable = new Dictionary<string, Symbol>();
theMethodTable = new Dictionary<string, Symbol>();
theStructDeclTable = new Dictionary<string, Symbol>();
}
/// <summary>
/// Initializes a new scopemanager instance
/// </summary>
public ScopeManager(SymbolTable theCurrentScope)
{
currentScope = theCurrentScope;
}
/// <summary>
/// Initializes a new scope manager instance
/// </summary>
public ScopeManager()
{
currentScope = new SymbolTable();
}
/// <summary>
/// Pushes a certain symboTable as the current scope.
/// </summary>
/// <param name="theTable"></param>
internal void PushSymbolTable(SymbolTable theTable)
{
currentScope = new SymbolTable(theTable);
}
/// <summary>
/// Gets and pops the current scope
/// </summary>
/// <returns>The current scope</returns>
internal SymbolTable GetAndExitScope()
{
currentScope = currentScope.getEnclosingScope();
return currentScope;
}
/// <summary>
/// Creates a new scope and sets it as the current scope
/// </summary>
internal void EnterScope()
{
currentScope = new SymbolTable(currentScope);
}