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// Copyright (c) AlphaSierraPapa for the SharpDevelop Team (for details please see \doc\copyright.txt)
// This code is distributed under MIT X11 license (for details please see \doc\license.txt)
using System;
using System.Collections.Generic;
using System.Linq;
namespace ICSharpCode.NRefactory.VB.Ast
{
/// <summary>
/// Description of VBModifierToken.
/// </summary>
public class VBModifierToken : VBTokenNode
{
Modifiers modifier;
public Modifiers Modifier {
get { return modifier; }
set {
for (int i = 0; i < lengthTable.Count; i++) {
if (lengthTable[i].Key == value) {
this.modifier = value;
this.tokenLength = lengthTable[i].Value;
return;
}
}
throw new ArgumentException ("Modifier " + value + " is invalid.");
}
}
protected internal override bool DoMatch(AstNode other, PatternMatching.Match match)
{
VBModifierToken o = other as VBModifierToken;
return o != null && this.modifier == o.modifier;
}
// Not worth using a dictionary for such few elements.
// This table is sorted in the order that modifiers should be output when generating code.
static readonly List<KeyValuePair<Modifiers, int>> lengthTable = new List<KeyValuePair<Modifiers, int>> () {
new KeyValuePair<Modifiers, int>(Modifiers.Public, "Public".Length),
new KeyValuePair<Modifiers, int>(Modifiers.Protected, "Protected".Length),
new KeyValuePair<Modifiers, int>(Modifiers.Private, "Private".Length),
new KeyValuePair<Modifiers, int>(Modifiers.Friend, "Friend".Length),
new KeyValuePair<Modifiers, int>(Modifiers.MustInherit, "MustInherit".Length),
new KeyValuePair<Modifiers, int>(Modifiers.MustOverride, "MustOverride".Length),
new KeyValuePair<Modifiers, int>(Modifiers.Overridable, "Overridable".Length),
new KeyValuePair<Modifiers, int>(Modifiers.NotInheritable, "NotInheritable".Length),
new KeyValuePair<Modifiers, int>(Modifiers.NotOverridable, "NotOverridable".Length),
new KeyValuePair<Modifiers, int>(Modifiers.Dim, "Dim".Length),
new KeyValuePair<Modifiers, int>(Modifiers.Const, "Const".Length),
new KeyValuePair<Modifiers, int>(Modifiers.Shared, "Shared".Length),
new KeyValuePair<Modifiers, int>(Modifiers.Static, "Static".Length),
new KeyValuePair<Modifiers, int>(Modifiers.Overrides, "Overrides".Length),
new KeyValuePair<Modifiers, int>(Modifiers.ReadOnly, "ReadOnly".Length),
new KeyValuePair<Modifiers, int>(Modifiers.WriteOnly, "WriteOnly".Length),
new KeyValuePair<Modifiers, int>(Modifiers.Shadows, "Shadows".Length),
new KeyValuePair<Modifiers, int>(Modifiers.Partial, "Partial".Length),
new KeyValuePair<Modifiers, int>(Modifiers.Overloads, "Overloads".Length),
new KeyValuePair<Modifiers, int>(Modifiers.WithEvents, "WithEvents".Length),
new KeyValuePair<Modifiers, int>(Modifiers.Default, "Default".Length),
// parameter modifiers
new KeyValuePair<Modifiers, int>(Modifiers.Optional, "Optional".Length),
new KeyValuePair<Modifiers, int>(Modifiers.ByVal, "ByVal".Length),
new KeyValuePair<Modifiers, int>(Modifiers.ByRef, "ByRef".Length),
new KeyValuePair<Modifiers, int>(Modifiers.ParamArray, "ParamArray".Length),
// operator modifiers
new KeyValuePair<Modifiers, int>(Modifiers.Narrowing, "Narrowing".Length),
new KeyValuePair<Modifiers, int>(Modifiers.Widening, "Widening".Length),
// VB 11 modifiers
new KeyValuePair<Modifiers, int>(Modifiers.Async, "Async".Length),
new KeyValuePair<Modifiers, int>(Modifiers.Iterator, "Iterator".Length),
// even though it's used for patterns only, it needs to be in this table to be usable in the AST
new KeyValuePair<Modifiers, int>(Modifiers.Any, "Any".Length)
};
public static IEnumerable<Modifiers> AllModifiers {
get { return lengthTable.Select(p => p.Key); }
}
public VBModifierToken(TextLocation location, Modifiers modifier) : base (location, 0)
{
this.Modifier = modifier;
}
public static string GetModifierName(Modifiers modifier)
{
switch (modifier) {
case Modifiers.Private:
return "Private";
case Modifiers.Friend:
return "Friend";
case Modifiers.Protected:
return "Protected";
case Modifiers.Public:
return "Public";
case Modifiers.MustInherit:
return "MustInherit";
case Modifiers.MustOverride:
return "MustOverride";
case Modifiers.Overridable:
return "Overridable";
case Modifiers.NotInheritable:
return "NotInheritable";
case Modifiers.NotOverridable:
return "NotOverridable";
case Modifiers.Const:
return "Const";
case Modifiers.Shared:
return "Shared";
case Modifiers.Static:
return "Static";
case Modifiers.Overrides:
return "Overrides";
case Modifiers.ReadOnly:
return "ReadOnly";
case Modifiers.Shadows:
return "Shadows";
case Modifiers.Partial:
return "Partial";
case Modifiers.Overloads:
return "Overloads";
case Modifiers.WithEvents:
return "WithEvents";
case Modifiers.Default:
return "Default";
case Modifiers.Dim:
return "Dim";
case Modifiers.WriteOnly:
return "WriteOnly";
case Modifiers.Optional:
return "Optional";
case Modifiers.ByVal:
return "ByVal";
case Modifiers.ByRef:
return "ByRef";
case Modifiers.ParamArray:
return "ParamArray";
case Modifiers.Widening:
return "Widening";
case Modifiers.Narrowing:
return "Narrowing";
case Modifiers.Async:
return "Async";
case Modifiers.Iterator:
return "Iterator";
default:
throw new NotSupportedException("Invalid value for Modifiers: " + modifier);
}
}
}
}
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