// solo function statements
// this is such a weird thing...
// COMMAND_FUNC expression, expression ) >>
// COMMAND_FUNC = << ID (
public override int VisitFunction_statement(YarnSpinnerParser.Function_statementContext context)
{
char[] lTrim = { '<' };
char[] rTrim = { '(' };
string functionName = context.GetChild(0).GetText().TrimStart(lTrim).TrimEnd(rTrim);
this.HandleFunction(functionName, context.expression());
return(0);
}
// solo function statements
// this is such a weird thing...
// COMMAND_FUNC expression, expression ) >>
// COMMAND_FUNC = << ID (
public override int VisitFunction_statement(YarnSpinnerParser.Function_statementContext context)
{
char[] lTrim = { '<' };
char[] rTrim = { '(' };
string functionName = context.GetChild(0).GetText().TrimStart(lTrim).TrimEnd(rTrim);
var output = this.HandleFunction(functionName, context.expression());
// failed to handle the function
if (output == false)
{
Yarn.ParseException.Make(context, "Invalid number of parameters for " + functionName);
}
return 0;
}
/// <summary>
/// Visit a parse tree produced by <see cref="YarnSpinnerParser.function_statement"/>.
/// <para>
/// The default implementation returns the result of calling <see cref="AbstractParseTreeVisitor{Result}.VisitChildren(IRuleNode)"/>
/// on <paramref name="context"/>.
/// </para>
/// </summary>
/// <param name="context">The parse tree.</param>
/// <return>The visitor result.</return>
public virtual Result VisitFunction_statement([NotNull] YarnSpinnerParser.Function_statementContext context)
{
return(VisitChildren(context));
}
/// <summary>
/// Exit a parse tree produced by <see cref="YarnSpinnerParser.function_statement"/>.
/// <para>The default implementation does nothing.</para>
/// </summary>
/// <param name="context">The parse tree.</param>
public virtual void ExitFunction_statement([NotNull] YarnSpinnerParser.Function_statementContext context)
{
}
