public override ASTNode VisitReturnStatement([NotNull] DaedalusParser.ReturnStatementContext context)
{
ExpressionNode expressionNode = null;
if (context.expression() != null)
{
expressionNode = (ExpressionNode)Visit(context.expression());
}
return(new ReturnStatementNode(GetLocation(context), expressionNode));
}
/// <summary>
/// Visit a parse tree produced by <see cref="DaedalusParser.returnStatement"/>.
/// <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 VisitReturnStatement([NotNull] DaedalusParser.ReturnStatementContext context)
{
return(VisitChildren(context));
}
public override void ExitReturnStatement([NotNull] DaedalusParser.ReturnStatementContext context)
{
_assemblyBuilder.AddInstruction(new Ret());
_assemblyBuilder.IsInsideReturnStatement = false;
}
public override void EnterReturnStatement([NotNull] DaedalusParser.ReturnStatementContext context)
{
_assemblyBuilder.IsInsideReturnStatement = true;
}
/// <summary>
/// Exit a parse tree produced by <see cref="DaedalusParser.returnStatement"/>.
/// <para>The default implementation does nothing.</para>
/// </summary>
/// <param name="context">The parse tree.</param>
public virtual void ExitReturnStatement([NotNull] DaedalusParser.ReturnStatementContext context)
{
}
