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Ignore:
Timestamp:
05/04/17 17:19:35 (8 years ago)
Author:
gkronber
Message:

#2520: changed all usages of StorableClass to use StorableType with an auto-generated GUID (did not add StorableType to other type definitions yet)

File:
1 edited

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Unmodified
Added
Removed

  • branches/PersistenceReintegration/HeuristicLab.CodeEditor/3.4/LanguageFeatures/CodeFolding/CSharp/FoldingVisitor.cs

    r11700 r14927  
    2828namespace CSharpBinding.Parser
    2929{
    30   // TODO: move this class + NewFolding to NRefactory
    31   class FoldingVisitor : DepthFirstAstVisitor
    32   {
    33     internal List<NewFolding> foldings = new List<NewFolding> ();
    34     internal IDocument document;
    35    
    36     int GetOffset(TextLocation location)
    37     {
    38       return document.GetOffset(location);
    39     }
    40    
    41     NewFolding AddFolding(TextLocation start, TextLocation end, bool isDefinition = false)
    42     {
    43       if (end.Line <= start.Line || start.IsEmpty || end.IsEmpty)
    44         return null;
    45       NewFolding folding = new NewFolding(GetOffset(start), GetOffset(end));
    46       folding.IsDefinition = isDefinition;
    47       foldings.Add(folding);
    48       return folding;
    49     }
    50    
    51     TextLocation GetEndOfPrev(AstNode node)
    52     {
    53       do {
    54         node = node.GetPrevNode();
    55       } while (node.NodeType == NodeType.Whitespace);
    56       return node.EndLocation;
    57     }
    58    
    59     #region usings
    60     void AddUsings (AstNode parent)
    61     {
    62       var firstChild = parent.Children.FirstOrDefault (child => child is UsingDeclaration || child is UsingAliasDeclaration);
    63       var node = firstChild;
    64       while (node != null) {
    65         var next = node.GetNextNode ();
    66         if (next is UsingDeclaration || next is UsingAliasDeclaration) {
    67           node = next;
    68         } else {
    69           break;
    70         }
    71       }
    72       if (firstChild != node) {
    73         NewFolding folding = AddFolding(firstChild.StartLocation, node.EndLocation);
    74         if (folding != null) {
    75           folding.Name = "using...";
    76           folding.DefaultClosed = true;
    77         }
    78       }
    79     }
    80     public override void VisitSyntaxTree (SyntaxTree unit)
    81     {
    82       AddUsings (unit);
    83       base.VisitSyntaxTree (unit);
    84     }
    85 
    86     public override void VisitNamespaceDeclaration (NamespaceDeclaration namespaceDeclaration)
    87     {
    88       AddUsings (namespaceDeclaration);
    89       if (!namespaceDeclaration.RBraceToken.IsNull)
    90         AddFolding (namespaceDeclaration.LBraceToken.GetPrevNode ().EndLocation, namespaceDeclaration.RBraceToken.EndLocation);
    91       base.VisitNamespaceDeclaration (namespaceDeclaration);
    92     }
    93     #endregion
    94    
    95     #region Entity Declarations
    96     public override void VisitTypeDeclaration (TypeDeclaration typeDeclaration)
    97     {
    98       if (!typeDeclaration.RBraceToken.IsNull)
    99         AddFolding (GetEndOfPrev(typeDeclaration.LBraceToken), typeDeclaration.RBraceToken.EndLocation);
    100       base.VisitTypeDeclaration (typeDeclaration);
    101     }
    102    
    103     public override void VisitMethodDeclaration (MethodDeclaration methodDeclaration)
    104     {
    105       if (!methodDeclaration.Body.IsNull) {
    106         AddFolding (GetEndOfPrev(methodDeclaration.Body.LBraceToken),
    107                     methodDeclaration.Body.RBraceToken.EndLocation, true);
    108       }
    109       base.VisitMethodDeclaration (methodDeclaration);
    110     }
    111    
    112     public override void VisitConstructorDeclaration (ConstructorDeclaration constructorDeclaration)
    113     {
    114       if (!constructorDeclaration.Body.IsNull)
    115         AddFolding (GetEndOfPrev(constructorDeclaration.Body.LBraceToken),
    116                     constructorDeclaration.Body.RBraceToken.EndLocation, true);
    117       base.VisitConstructorDeclaration (constructorDeclaration);
    118     }
    119    
    120     public override void VisitDestructorDeclaration (DestructorDeclaration destructorDeclaration)
    121     {
    122       if (!destructorDeclaration.Body.IsNull)
    123         AddFolding (GetEndOfPrev(destructorDeclaration.Body.LBraceToken),
    124                     destructorDeclaration.Body.RBraceToken.EndLocation, true);
    125       base.VisitDestructorDeclaration (destructorDeclaration);
    126     }
    127    
    128     public override void VisitOperatorDeclaration (OperatorDeclaration operatorDeclaration)
    129     {
    130       if (!operatorDeclaration.Body.IsNull)
    131         AddFolding (GetEndOfPrev(operatorDeclaration.Body.LBraceToken),
    132                     operatorDeclaration.Body.RBraceToken.EndLocation, true);
    133       base.VisitOperatorDeclaration (operatorDeclaration);
    134     }
    135    
    136     public override void VisitPropertyDeclaration (PropertyDeclaration propertyDeclaration)
    137     {
    138       if (!propertyDeclaration.LBraceToken.IsNull)
    139         AddFolding (GetEndOfPrev(propertyDeclaration.LBraceToken),
    140                     propertyDeclaration.RBraceToken.EndLocation, true);
    141       base.VisitPropertyDeclaration (propertyDeclaration);
    142     }
    143    
    144     public override void VisitIndexerDeclaration (IndexerDeclaration indexerDeclaration)
    145     {
    146       if (!indexerDeclaration.LBraceToken.IsNull)
    147         AddFolding (GetEndOfPrev(indexerDeclaration.LBraceToken),
    148                     indexerDeclaration.RBraceToken.EndLocation, true);
    149       base.VisitIndexerDeclaration (indexerDeclaration);
    150     }
    151    
    152     public override void VisitCustomEventDeclaration (CustomEventDeclaration eventDeclaration)
    153     {
    154       if (!eventDeclaration.LBraceToken.IsNull)
    155         AddFolding (GetEndOfPrev(eventDeclaration.LBraceToken),
    156                     eventDeclaration.RBraceToken.EndLocation, true);
    157       base.VisitCustomEventDeclaration (eventDeclaration);
    158     }
    159     #endregion
    160    
    161     #region Statements
    162     public override void VisitSwitchStatement (SwitchStatement switchStatement)
    163     {
    164       if (!switchStatement.RBraceToken.IsNull)
    165         AddFolding (GetEndOfPrev(switchStatement.LBraceToken),
    166                     switchStatement.RBraceToken.EndLocation);
    167       base.VisitSwitchStatement (switchStatement);
    168     }
    169    
    170     public override void VisitBlockStatement (BlockStatement blockStatement)
    171     {
    172       if (!(blockStatement.Parent is EntityDeclaration) && blockStatement.EndLocation.Line - blockStatement.StartLocation.Line > 2) {
    173         AddFolding (GetEndOfPrev(blockStatement), blockStatement.EndLocation);
    174       }
    175 
    176       base.VisitBlockStatement (blockStatement);
    177     }
    178     #endregion
    179    
    180     #region Preprocessor directives
    181     Stack<NewFolding> regions = new Stack<NewFolding>();
    182    
    183     public override void VisitPreProcessorDirective(PreProcessorDirective preProcessorDirective)
    184     {
    185       switch (preProcessorDirective.Type) {
    186         case PreProcessorDirectiveType.Region:
    187           NewFolding folding = new NewFolding();
    188           folding.DefaultClosed = true;
    189           folding.Name = preProcessorDirective.Argument;
    190           folding.StartOffset = GetOffset(preProcessorDirective.StartLocation);
    191           regions.Push(folding);
    192           break;
    193         case PreProcessorDirectiveType.Endregion:
    194           if (regions.Count > 0) {
    195             folding = regions.Pop();
    196             folding.EndOffset = GetOffset(preProcessorDirective.EndLocation);
    197             foldings.Add(folding);
    198           }
    199           break;
    200       }
    201     }
    202     #endregion
    203    
    204     #region Comments
    205     public override void VisitComment(Comment comment)
    206     {
    207       if (comment.CommentType == CommentType.InactiveCode)
    208         return; // don't fold the inactive code comment; instead fold the preprocessor directives
    209       if (AreTwoSinglelineCommentsInConsecutiveLines(comment.PrevSibling as Comment, comment))
    210         return; // already handled by previous comment
    211       Comment lastComment = comment;
    212       Comment nextComment;
    213       while (true) {
    214         nextComment = lastComment.NextSibling as Comment;
    215         if (!AreTwoSinglelineCommentsInConsecutiveLines(lastComment, nextComment))
    216           break;
    217         lastComment = nextComment;
    218       }
    219       if (lastComment.EndLocation.Line - comment.StartLocation.Line > 2) {
    220         var folding = AddFolding(comment.StartLocation, lastComment.EndLocation);
    221         if (folding != null) {
    222           switch (comment.CommentType) {
    223             case CommentType.SingleLine:
    224               folding.Name = "// ...";
    225               break;
    226             case CommentType.MultiLine:
    227               folding.Name = "/* ... */";
    228               break;
    229             case CommentType.Documentation:
    230               folding.Name = "/// ...";
    231               break;
    232             case CommentType.MultiLineDocumentation:
    233               folding.Name = "/** ... */";
    234               break;
    235           }
    236         }
    237       }
    238     }
    239    
    240     bool AreTwoSinglelineCommentsInConsecutiveLines(Comment comment1, Comment comment2)
    241     {
    242       if (comment1 == null || comment2 == null)
    243         return false;
    244       return comment1.CommentType == comment2.CommentType
    245         && comment1.StartLocation.Line == comment1.EndLocation.Line
    246         && comment1.EndLocation.Line + 1 == comment2.StartLocation.Line
    247         && comment1.StartLocation.Column == comment2.StartLocation.Column
    248         && comment2.StartLocation.Line == comment2.EndLocation.Line;
    249     }
    250     #endregion
    251   }
     30  // TODO: move this class + NewFolding to NRefactory
     31  class FoldingVisitor : DepthFirstAstVisitor {
     32    internal List<NewFolding> foldings = new List<NewFolding>();
     33    internal IDocument document;
     34
     35    int GetOffset(TextLocation location) {
     36      return document.GetOffset(location);
     37    }
     38
     39    NewFolding AddFolding(TextLocation start, TextLocation end, bool isDefinition = false) {
     40      if (end.Line <= start.Line || start.IsEmpty || end.IsEmpty)
     41        return null;
     42      NewFolding folding = new NewFolding(GetOffset(start), GetOffset(end));
     43      folding.IsDefinition = isDefinition;
     44      foldings.Add(folding);
     45      return folding;
     46    }
     47
     48    TextLocation GetEndOfPrev(AstNode node) {
     49      do {
     50        node = node.GetPrevNode();
     51      } while (node.NodeType == NodeType.Whitespace);
     52      return node.EndLocation;
     53    }
     54
     55    #region usings
     56    void AddUsings(AstNode parent) {
     57      var firstChild = parent.Children.FirstOrDefault(child => child is UsingDeclaration || child is UsingAliasDeclaration);
     58      var node = firstChild;
     59      while (node != null) {
     60        var next = node.GetNextNode();
     61        if (next is UsingDeclaration || next is UsingAliasDeclaration) {
     62          node = next;
     63        } else {
     64          break;
     65        }
     66      }
     67      if (firstChild != node) {
     68        NewFolding folding = AddFolding(firstChild.StartLocation, node.EndLocation);
     69        if (folding != null) {
     70          folding.Name = "using...";
     71          folding.DefaultClosed = true;
     72        }
     73      }
     74    }
     75    public override void VisitSyntaxTree(SyntaxTree unit) {
     76      AddUsings(unit);
     77      base.VisitSyntaxTree(unit);
     78    }
     79
     80    public override void VisitNamespaceDeclaration(NamespaceDeclaration namespaceDeclaration) {
     81      AddUsings(namespaceDeclaration);
     82      if (!namespaceDeclaration.RBraceToken.IsNull)
     83        AddFolding(namespaceDeclaration.LBraceToken.GetPrevNode().EndLocation, namespaceDeclaration.RBraceToken.EndLocation);
     84      base.VisitNamespaceDeclaration(namespaceDeclaration);
     85    }
     86    #endregion
     87
     88    #region Entity Declarations
     89    public override void VisitTypeDeclaration(TypeDeclaration typeDeclaration) {
     90      if (!typeDeclaration.RBraceToken.IsNull)
     91        AddFolding(GetEndOfPrev(typeDeclaration.LBraceToken), typeDeclaration.RBraceToken.EndLocation);
     92      base.VisitTypeDeclaration(typeDeclaration);
     93    }
     94
     95    public override void VisitMethodDeclaration(MethodDeclaration methodDeclaration) {
     96      if (!methodDeclaration.Body.IsNull) {
     97        AddFolding(GetEndOfPrev(methodDeclaration.Body.LBraceToken),
     98                    methodDeclaration.Body.RBraceToken.EndLocation, true);
     99      }
     100      base.VisitMethodDeclaration(methodDeclaration);
     101    }
     102
     103    public override void VisitConstructorDeclaration(ConstructorDeclaration constructorDeclaration) {
     104      if (!constructorDeclaration.Body.IsNull)
     105        AddFolding(GetEndOfPrev(constructorDeclaration.Body.LBraceToken),
     106                    constructorDeclaration.Body.RBraceToken.EndLocation, true);
     107      base.VisitConstructorDeclaration(constructorDeclaration);
     108    }
     109
     110    public override void VisitDestructorDeclaration(DestructorDeclaration destructorDeclaration) {
     111      if (!destructorDeclaration.Body.IsNull)
     112        AddFolding(GetEndOfPrev(destructorDeclaration.Body.LBraceToken),
     113                    destructorDeclaration.Body.RBraceToken.EndLocation, true);
     114      base.VisitDestructorDeclaration(destructorDeclaration);
     115    }
     116
     117    public override void VisitOperatorDeclaration(OperatorDeclaration operatorDeclaration) {
     118      if (!operatorDeclaration.Body.IsNull)
     119        AddFolding(GetEndOfPrev(operatorDeclaration.Body.LBraceToken),
     120                    operatorDeclaration.Body.RBraceToken.EndLocation, true);
     121      base.VisitOperatorDeclaration(operatorDeclaration);
     122    }
     123
     124    public override void VisitPropertyDeclaration(PropertyDeclaration propertyDeclaration) {
     125      if (!propertyDeclaration.LBraceToken.IsNull)
     126        AddFolding(GetEndOfPrev(propertyDeclaration.LBraceToken),
     127                    propertyDeclaration.RBraceToken.EndLocation, true);
     128      base.VisitPropertyDeclaration(propertyDeclaration);
     129    }
     130
     131    public override void VisitIndexerDeclaration(IndexerDeclaration indexerDeclaration) {
     132      if (!indexerDeclaration.LBraceToken.IsNull)
     133        AddFolding(GetEndOfPrev(indexerDeclaration.LBraceToken),
     134                    indexerDeclaration.RBraceToken.EndLocation, true);
     135      base.VisitIndexerDeclaration(indexerDeclaration);
     136    }
     137
     138    public override void VisitCustomEventDeclaration(CustomEventDeclaration eventDeclaration) {
     139      if (!eventDeclaration.LBraceToken.IsNull)
     140        AddFolding(GetEndOfPrev(eventDeclaration.LBraceToken),
     141                    eventDeclaration.RBraceToken.EndLocation, true);
     142      base.VisitCustomEventDeclaration(eventDeclaration);
     143    }
     144    #endregion
     145
     146    #region Statements
     147    public override void VisitSwitchStatement(SwitchStatement switchStatement) {
     148      if (!switchStatement.RBraceToken.IsNull)
     149        AddFolding(GetEndOfPrev(switchStatement.LBraceToken),
     150                    switchStatement.RBraceToken.EndLocation);
     151      base.VisitSwitchStatement(switchStatement);
     152    }
     153
     154    public override void VisitBlockStatement(BlockStatement blockStatement) {
     155      if (!(blockStatement.Parent is EntityDeclaration) && blockStatement.EndLocation.Line - blockStatement.StartLocation.Line > 2) {
     156        AddFolding(GetEndOfPrev(blockStatement), blockStatement.EndLocation);
     157      }
     158
     159      base.VisitBlockStatement(blockStatement);
     160    }
     161    #endregion
     162
     163    #region Preprocessor directives
     164    Stack<NewFolding> regions = new Stack<NewFolding>();
     165
     166    public override void VisitPreProcessorDirective(PreProcessorDirective preProcessorDirective) {
     167      switch (preProcessorDirective.Type) {
     168        case PreProcessorDirectiveType.Region:
     169          NewFolding folding = new NewFolding();
     170          folding.DefaultClosed = true;
     171          folding.Name = preProcessorDirective.Argument;
     172          folding.StartOffset = GetOffset(preProcessorDirective.StartLocation);
     173          regions.Push(folding);
     174          break;
     175        case PreProcessorDirectiveType.Endregion:
     176          if (regions.Count > 0) {
     177            folding = regions.Pop();
     178            folding.EndOffset = GetOffset(preProcessorDirective.EndLocation);
     179            foldings.Add(folding);
     180          }
     181          break;
     182      }
     183    }
     184    #endregion
     185
     186    #region Comments
     187    public override void VisitComment(Comment comment) {
     188      if (comment.CommentType == CommentType.InactiveCode)
     189        return; // don't fold the inactive code comment; instead fold the preprocessor directives
     190      if (AreTwoSinglelineCommentsInConsecutiveLines(comment.PrevSibling as Comment, comment))
     191        return; // already handled by previous comment
     192      Comment lastComment = comment;
     193      Comment nextComment;
     194      while (true) {
     195        nextComment = lastComment.NextSibling as Comment;
     196        if (!AreTwoSinglelineCommentsInConsecutiveLines(lastComment, nextComment))
     197          break;
     198        lastComment = nextComment;
     199      }
     200      if (lastComment.EndLocation.Line - comment.StartLocation.Line > 2) {
     201        var folding = AddFolding(comment.StartLocation, lastComment.EndLocation);
     202        if (folding != null) {
     203          switch (comment.CommentType) {
     204            case CommentType.SingleLine:
     205              folding.Name = "// ...";
     206              break;
     207            case CommentType.MultiLine:
     208              folding.Name = "/* ... */";
     209              break;
     210            case CommentType.Documentation:
     211              folding.Name = "/// ...";
     212              break;
     213            case CommentType.MultiLineDocumentation:
     214              folding.Name = "/** ... */";
     215              break;
     216          }
     217        }
     218      }
     219    }
     220
     221    bool AreTwoSinglelineCommentsInConsecutiveLines(Comment comment1, Comment comment2) {
     222      if (comment1 == null || comment2 == null)
     223        return false;
     224      return comment1.CommentType == comment2.CommentType
     225        && comment1.StartLocation.Line == comment1.EndLocation.Line
     226        && comment1.EndLocation.Line + 1 == comment2.StartLocation.Line
     227        && comment1.StartLocation.Column == comment2.StartLocation.Column
     228        && comment2.StartLocation.Line == comment2.EndLocation.Line;
     229    }
     230    #endregion
     231  }
    252232}
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