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Viewing changes to contrib/NRefactory/Project/Src/Parser/VBNet/ParamModifierList.cs

  • Committer: Package Import Robot
  • Author(s): Jo Shields
  • Date: 2013-05-12 09:46:03 UTC
  • mto: This revision was merged to the branch mainline in revision 29.
  • Revision ID: package-import@ubuntu.com-20130512094603-mad323bzcxvmcam0
Tags: upstream-4.0.5+dfsg
Import upstream version 4.0.5+dfsg

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contrib/NRefactory/Project/Src/Parser/VBNet/ParamModifierList.cs
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// <file>
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//     <copyright see="prj:///doc/copyright.txt"/>
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//     <license see="prj:///doc/license.txt"/>
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//     <owner name="none" email=""/>
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//     <version>$Revision: 4482 $</version>
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// </file>
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using ICSharpCode.OldNRefactory.Ast;
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namespace ICSharpCode.OldNRefactory.Parser.VB
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{
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        internal class ParamModifierList
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        {
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                ParameterModifiers cur;
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                Parser   parser;
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                public ParameterModifiers Modifier {
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                        get {
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                                return cur;
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                        }
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                }
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                public ParamModifierList(Parser parser)
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                {
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                        this.parser = parser;
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                        cur         = ParameterModifiers.None;
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                }
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                public bool isNone { get { return cur == ParameterModifiers.None; } }
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                public void Add(ParameterModifiers m) 
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                {
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                        if ((cur & m) == 0) {
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                                cur |= m;
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                        } else {
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                                parser.Error("param modifier " + m + " already defined");
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                        }
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                }
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                public void Add(ParamModifierList m)
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                {
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                        Add(m.cur);
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                }
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                public void Check()
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                {
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                        if((cur & ParameterModifiers.In) != 0 && 
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                           (cur & ParameterModifiers.Ref) != 0) {
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                                parser.Error("ByRef and ByVal are not allowed at the same time.");
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                        }
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                }
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        }
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}