/// <summary>
/// Builds a new CallFunction command for a routine (no return value)
/// and adds it to current scope.
/// </summary>
/// <param name="function">Function to be called.</param>
/// <param name="parameters">Symbols corresponding to the function's
/// parameters.</param>
private void DoRoutine(Function function, List <DirectValueSymbol> parameters)
{
if (function.Type != Type.Rutina)
{
SemErr("La función no es una rutina.");
return;
}
for (var para = 0; para < parameters.Count; para++)
{
if (_cube[(int)function.Parameters[para].Type, (int)parameters[para].Type,
(int)Operator.Asignation] == Type.Error)
{
SemErr("Error de tipos");
return;
}
}
var cmd = new CallFunction
{
Function = function,
ScopeCalled = _currentScope,
Parameters = parameters
};
_currentScope.CommandList.Commands.Add(cmd);
}
/// <summary>
/// Builds a new CallFunction command and adds it to current scope.
/// </summary>
/// <param name="function">Function to be called</param>
/// <param name="parameters">Symbols that correspond to the parameters.
/// </param>
/// <param name="result">Symbol where result will be stored.</param>
private void DoFunction(Function function, List <DirectValueSymbol> parameters, DirectValueSymbol result)
{
if (function.Type == Type.Rutina)
{
SemErr("La función no tiene un valor de retorno.");
return;
}
for (var para = 0; para < parameters.Count; para++)
{
if (_cube[(int)function.Parameters[para].Type, (int)parameters[para].Type,
(int)Operator.Asignation] != function.Parameters[para].Type)
{
SemErr("Error de tipos");
return;
}
}
result.Type = function.Type;
var cmd = new CallFunction
{
Function = function,
ScopeCalled = _currentScope,
Result = result,
Parameters = parameters
};
_currentScope.CommandList.Commands.Add(cmd);
}