/// <inheritdoc/>
public Func <Complex> Build(Node expression)
{
var instance = new ComplexILState(this);
instance.FunctionFound += (sender, args) => FunctionFound?.Invoke(sender, args);
instance.VariableFound += (sender, args) => VariableFound?.Invoke(sender, args);
instance.Push(expression);
return(instance.CreateFunction());
}
/// <inheritdoc/>
public Func <double> Build(Node expression)
{
// Create a new instance that will be used to build the function
var instance = new RealILState(this);
instance.FunctionFound += (sender, args) => FunctionFound?.Invoke(sender, args);
instance.VariableFound += (sender, args) => VariableFound?.Invoke(sender, args);
instance.Push(expression);
return(instance.CreateFunction());
}
/// <summary>
/// Pushes a variable value on the value stack.
/// </summary>
/// <param name="name">The variable name.</param>
protected override void PushVariable(string name)
{
var args = new VariableFoundEventArgs <Expression>(name, null);
VariableFound?.Invoke(this, args);
if (args.Result == null)
{
throw new ParserException("Unrecognized variable '{0}'".FormatString(name), Input, Index);
}
_stack.Push(args.Result);
}
/// <summary> /// Call when a variable has been encountered. /// </summary> /// <param name="args">The event arguments.</param> protected void OnVariableFound(VariableFoundEventArgs <T> args) => VariableFound?.Invoke(this, args);
/// <summary> /// Called when a variable was found. /// </summary> /// <param name="args">The event arguments.</param> protected virtual void OnVariableFound(VariableFoundEventArgs <Complex> args) => VariableFound?.Invoke(this, args);
