public override object VisitArrayAccessOnExpression([NotNull] ClepsParser.ArrayAccessOnExpressionContext context)
{
IValue expressionValue = Visit(context.ArrayExpression) as IValue;
if (!expressionValue.ExpressionType.IsArrayType)
{
string errorMessage = String.Format("Expression {0} is not an array and so array access is not possible.", context.ArrayExpression.GetText());
Status.AddError(new CompilerError(FileName, context.ArrayExpression.Start.Line, context.ArrayExpression.Start.Column, errorMessage));
//return something to avoid stopping the compilation
return(expressionValue);
}
ArrayClepsType expressionType = (expressionValue.ExpressionType as ArrayClepsType);
List <IValue> indexValues = ArrayIndexAccess(expressionType, context._ArrayIndexExpression);
IValueRegister register = CodeGenerator.GetArrayElementRegister(expressionValue, indexValues);
IValue retValue = CodeGenerator.GetRegisterValue(register);
return(retValue);
}
/// <summary>
/// Exit a parse tree produced by <see cref="ClepsParser.ArrayAccessOnExpression"/>.
/// <para>The default implementation does nothing.</para>
/// </summary>
/// <param name="context">The parse tree.</param>
public virtual void ExitArrayAccessOnExpression([NotNull] ClepsParser.ArrayAccessOnExpressionContext context)
{
}
/// <summary>
/// Visit a parse tree produced by <see cref="ClepsParser.ArrayAccessOnExpression"/>.
/// <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 VisitArrayAccessOnExpression([NotNull] ClepsParser.ArrayAccessOnExpressionContext context)
{
return(VisitChildren(context));
}
