public object Execute(FunctionEnvironment functionEnvironment, VariableEnvironment variableEnvironment)
{
if (!functionEnvironment.IsFunctionDefined(Identifier))
{
throw new Exception("Calling undefined function: " + Identifier);
}
VariableEnvironment localVariables = new VariableEnvironment();
localVariables.ParentEnvironment = variableEnvironment;//todo: switch
FunctionDefinition functionDefinition = functionEnvironment.GetDefinedFunction(Identifier);
for (int i = 0; i < Arguments.Count; i++)
{
object obj = Arguments[i].Execute(functionEnvironment, variableEnvironment);
BogieLangType bogieLangType = BogieLangTypeHelpr.ObjectToType(obj);
if (functionDefinition.Parameters[i].Item1 == bogieLangType)
{
localVariables.DeclareVariable(functionDefinition.Parameters[i].Item2, functionDefinition.Parameters[i].Item1);
localVariables.DefineVariable(functionDefinition.Parameters[i].Item2, obj);
}
}
return(functionDefinition.Execute(functionEnvironment, localVariables));
}
public void Execute(FunctionEnvironment functionEnvironment, VariableEnvironment variableEnvironment)
{
object value = null;
if (Expression != null)
{
value = Expression.Execute(functionEnvironment, variableEnvironment);
}
variableEnvironment.DeclareVariable(Identifier, (BogieLangType)BogieLangType);
if (value != null)
{
variableEnvironment.DefineVariable(Identifier, value);
}
}