public override object VisitWhileStatement([NotNull] TinyScriptParser.WhileStatementContext context)
{
while (true)
{
var condition = (bool)VisitExpression(context.expression());
if (!(condition))
{
break;
}
VisitBlockStatement(context.blockStatement());
}
return(null);
}
public override object VisitWhileStatement([NotNull] TinyScriptParser.WhileStatementContext context)
{
var l1 = _builder.DefineLabel();
_builder.MarkLabel(l1);
AssertIsBool(context, VisitExpression(context.expression()));
var l2 = _builder.DefineLabel();
_builder.BrFalse(l2);
VisitBlockStatement(context.blockStatement());
_builder.Br(l1);
_builder.MarkLabel(l2);
_builder.Nop();
return(null);
}
/// <summary>
/// Visit a parse tree produced by <see cref="TinyScriptParser.whileStatement"/>.
/// <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 VisitWhileStatement([NotNull] TinyScriptParser.WhileStatementContext context)
{
return(VisitChildren(context));
}
