public override object VisitIfStatement([NotNull] TinyScriptParser.IfStatementContext context)
{
var condition = (bool)VisitQuoteExpr(context.quoteExpr());
if (condition)
{
VisitBlockStatement(context.blockStatement(0));
}
else if (context.ChildCount == 5)
{
VisitBlockStatement(context.blockStatement(1));
}
return(null);
}
public override object VisitIfStatement([NotNull] TinyScriptParser.IfStatementContext context)
{
VisitQuoteExpr(context.quoteExpr());
var l1 = _builder.DefineLabel();
_builder.BrFalse(l1);
VisitBlockStatement(context.blockStatement(0));
if (context.ChildCount == 5)
{
var l2 = _builder.DefineLabel();
_builder.Br(l2);
_builder.Nop();
_builder.MarkLabel(l1);
VisitBlockStatement(context.blockStatement(1));
_builder.Nop();
_builder.MarkLabel(l2);
}
else
{
_builder.Nop();
_builder.MarkLabel(l1);
}
return(null);
}
/// <summary>
/// Visit a parse tree produced by <see cref="TinyScriptParser.ifStatement"/>.
/// <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 VisitIfStatement([NotNull] TinyScriptParser.IfStatementContext context)
{
return(VisitChildren(context));
}
