// semi-free form text that gets passed along to the game
// for things like <<turn fred left>> or <<unlockAchievement FacePlant>>
public override int VisitCommand_statement(YarnSpinnerParser.Command_statementContext context)
{
GenerateFormattedText(context.command_formatted_text().children, out var composedString, out var expressionCount);
// TODO: look into replacing this as it seems a bit odd
switch (composedString)
{
case "stop":
// "stop" is a special command that immediately stops
// execution
compiler.Emit(OpCode.Stop);
break;
default:
compiler.Emit(OpCode.RunCommand, new Operand(composedString), new Operand(expressionCount));
break;
}
return(0);
}
// semi-free form text that gets passed along to the game for things
// like <<turn fred left>> or <<unlockAchievement FacePlant>>
public override int VisitCommand_statement(YarnSpinnerParser.Command_statementContext context)
{
var expressionCount = 0;
var sb = new StringBuilder();
foreach (var node in context.command_formatted_text().children)
{
if (node is ITerminalNode)
{
sb.Append(node.GetText());
}
else if (node is ParserRuleContext)
{
// Generate code for evaluating the expression at runtime
this.Visit(node);
// Don't include the '{' and '}', because it will have been
// added as a terminal node already
sb.Append(expressionCount);
expressionCount += 1;
}
}
var composedString = sb.ToString();
// TODO: look into replacing this as it seems a bit odd
switch (composedString)
{
case "stop":
// "stop" is a special command that immediately stops
// execution
this.compiler.Emit(OpCode.Stop, context.command_formatted_text().Start);
break;
default:
this.compiler.Emit(OpCode.RunCommand, context.command_formatted_text().Start, new Operand(composedString), new Operand(expressionCount));
break;
}
return(0);
}
/// <summary>
/// Visit a parse tree produced by <see cref="YarnSpinnerParser.command_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 VisitCommand_statement([NotNull] YarnSpinnerParser.Command_statementContext context)
{
return(VisitChildren(context));
}
/// <summary>
/// Exit a parse tree produced by <see cref="YarnSpinnerParser.command_statement"/>.
/// <para>The default implementation does nothing.</para>
/// </summary>
/// <param name="context">The parse tree.</param>
public virtual void ExitCommand_statement([NotNull] YarnSpinnerParser.Command_statementContext context)
{
}
