public override object VisitWhileLoopStatement([NotNull] DoshikParser.WhileLoopStatementContext context)
{
_compilationContext.SetParsingAntlrContext(context);
var statement = new WhileStatement(_currentNode);
_currentExpressionParent = statement;
statement.Condition = ExpressionCreationVisitor.Apply(_compilationContext, _currentExpressionParent, context.condition);
if (statement.Condition.RootExpression.ReturnOutputSlot.Type != _compilationContext.TypeLibrary.FindByKnownType(KnownType.Boolean))
{
throw _compilationContext.ThrowCompilationError("condition must evaluate to bool value");
}
_isInLoopCounter++;
statement.BodyStatement = (Statement)Visit(context.body);
_isInLoopCounter--;
return(statement);
}
/// <summary>
/// Visit a parse tree produced by the <c>whileLoopStatement</c>
/// labeled alternative in <see cref="DoshikParser.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 VisitWhileLoopStatement([NotNull] DoshikParser.WhileLoopStatementContext context)
{
return(VisitChildren(context));
}
/// <summary>
/// Exit a parse tree produced by the <c>whileLoopStatement</c>
/// labeled alternative in <see cref="DoshikParser.statement"/>.
/// <para>The default implementation does nothing.</para>
/// </summary>
/// <param name="context">The parse tree.</param>
public virtual void ExitWhileLoopStatement([NotNull] DoshikParser.WhileLoopStatementContext context)
{
}