aspclassic-core/AspClassic.Parser/MidAssignmentStatement.cs
Jelle Luteijn 484dbfc9d9 progress
2022-05-15 11:19:49 +02:00

133 lines
4.6 KiB
C#

using System;
using System.Collections.Generic;
namespace AspClassic.Parser;
/// <summary>
/// A parse tree for a Mid assignment statement.
/// </summary>
public sealed class MidAssignmentStatement : Statement
{
private readonly bool _HasTypeCharacter;
private readonly Location _LeftParenthesisLocation;
private readonly Expression _TargetExpression;
private readonly Location _StartCommaLocation;
private readonly Expression _StartExpression;
private readonly Location _LengthCommaLocation;
private readonly Expression _LengthExpression;
private readonly Location _RightParenthesisLocation;
private readonly Location _OperatorLocation;
private readonly Expression _SourceExpression;
/// <summary>
/// Whether the Mid identifier had a type character.
/// </summary>
public bool HasTypeCharacter => _HasTypeCharacter;
/// <summary>
/// The location of the left parenthesis.
/// </summary>
public Location LeftParenthesisLocation => _LeftParenthesisLocation;
/// <summary>
/// The target of the assignment.
/// </summary>
public Expression TargetExpression => _TargetExpression;
/// <summary>
/// The location of the comma before the start expression.
/// </summary>
public Location StartCommaLocation => _StartCommaLocation;
/// <summary>
/// The expression representing the start of the string to replace.
/// </summary>
public Expression StartExpression => _StartExpression;
/// <summary>
/// The location of the comma before the length expression, if any.
/// </summary>
public Location LengthCommaLocation => _LengthCommaLocation;
/// <summary>
/// The expression representing the length of the string to replace, if any.
/// </summary>
public Expression LengthExpression => _LengthExpression;
/// <summary>
/// The right parenthesis location.
/// </summary>
public Location RightParenthesisLocation => _RightParenthesisLocation;
/// <summary>
/// The location of the operator.
/// </summary>
public Location OperatorLocation => _OperatorLocation;
/// <summary>
/// The source of the assignment.
/// </summary>
public Expression SourceExpression => _SourceExpression;
/// <summary>
/// Constructs a new parse tree for an assignment statement.
/// </summary>
/// <param name="hasTypeCharacter">Whether the Mid identifier has a type character.</param>
/// <param name="leftParenthesisLocation">The location of the left parenthesis.</param>
/// <param name="targetExpression">The target of the assignment.</param>
/// <param name="startCommaLocation">The location of the comma before the start expression.</param>
/// <param name="startExpression">The expression representing the start of the string to replace.</param>
/// <param name="lengthCommaLocation">The location of the comma before the length expression, if any.</param>
/// <param name="lengthExpression">The expression representing the length of the string to replace, if any.</param>
/// <param name="operatorLocation">The location of the operator.</param>
/// <param name="sourceExpression">The source of the assignment.</param>
/// <param name="span">The location of the parse tree.</param>
/// <param name="comments">The comments for the parse tree.</param>
public MidAssignmentStatement(bool hasTypeCharacter, Location leftParenthesisLocation, Expression targetExpression, Location startCommaLocation, Expression startExpression, Location lengthCommaLocation, Expression lengthExpression, Location rightParenthesisLocation, Location operatorLocation, Expression sourceExpression, Span span, IList<Comment> comments)
: base(TreeType.MidAssignmentStatement, span, comments)
{
if (targetExpression == null)
{
throw new ArgumentNullException("targetExpression");
}
if (startExpression == null)
{
throw new ArgumentNullException("startExpression");
}
if (sourceExpression == null)
{
throw new ArgumentNullException("sourceExpression");
}
SetParent(targetExpression);
SetParent(startExpression);
SetParent(lengthExpression);
SetParent(sourceExpression);
_HasTypeCharacter = hasTypeCharacter;
_LeftParenthesisLocation = leftParenthesisLocation;
_TargetExpression = targetExpression;
_StartCommaLocation = startCommaLocation;
_StartExpression = startExpression;
_LengthCommaLocation = lengthCommaLocation;
_LengthExpression = lengthExpression;
_RightParenthesisLocation = rightParenthesisLocation;
_OperatorLocation = operatorLocation;
_SourceExpression = sourceExpression;
}
protected override void GetChildTrees(IList<Tree> childList)
{
Tree.AddChild(childList, TargetExpression);
Tree.AddChild(childList, StartExpression);
Tree.AddChild(childList, LengthExpression);
Tree.AddChild(childList, SourceExpression);
}
}