Mansheng Yang
14 years ago
10 changed files with 336 additions and 351 deletions
@ -0,0 +1,198 @@
@@ -0,0 +1,198 @@
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//
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// IMemberProvider.cs
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//
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// Author:
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// Mike Krüger <mkrueger@xamarin.com>
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//
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// Copyright (c) 2012 Xamarin Inc.
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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// THE SOFTWARE.
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using System; |
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using System.Collections.Generic; |
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using ICSharpCode.NRefactory.TypeSystem; |
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using ICSharpCode.NRefactory.Editor; |
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using ICSharpCode.NRefactory.CSharp.TypeSystem; |
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using System.Linq; |
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using ICSharpCode.NRefactory.CSharp.Resolver; |
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namespace ICSharpCode.NRefactory.CSharp.Completion |
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{ |
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public interface ICompletionContextProvider |
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{ |
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void GetCurrentMembers (int offset, out IUnresolvedTypeDefinition currentType, out IUnresolvedMember currentMember); |
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Tuple<string, TextLocation> GetMemberTextToCaret(int caretOffset, IUnresolvedTypeDefinition currentType, IUnresolvedMember currentMember); |
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CSharpAstResolver GetResolver (CSharpResolver resolver, AstNode rootNode); |
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} |
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public class DefaultCompletionContextProvider : ICompletionContextProvider |
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{ |
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readonly IDocument document; |
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readonly CSharpParsedFile parsedFile; |
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public DefaultCompletionContextProvider (IDocument document, CSharpParsedFile parsedFile) |
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{ |
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if (document == null) |
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throw new ArgumentNullException("document"); |
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if (parsedFile == null) |
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throw new ArgumentNullException("parsedFile"); |
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this.document = document; |
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this.parsedFile = parsedFile; |
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} |
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public void GetCurrentMembers(int offset, out IUnresolvedTypeDefinition currentType, out IUnresolvedMember currentMember) |
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{ |
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//var document = engine.document;
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var location = document.GetLocation(offset); |
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currentType = null; |
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foreach (var type in parsedFile.TopLevelTypeDefinitions) { |
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if (type.Region.Begin < location) |
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currentType = type; |
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} |
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currentType = FindInnerType (currentType, location); |
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// location is beyond last reported end region, now we need to check, if the end region changed
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if (currentType != null && currentType.Region.End < location) { |
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if (!IsInsideType (currentType, location)) |
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currentType = null; |
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} |
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currentMember = null; |
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if (currentType != null) { |
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foreach (var member in currentType.Members) { |
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if (member.Region.Begin < location && (currentMember == null || currentMember.Region.Begin < member.Region.Begin)) |
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currentMember = member; |
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} |
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} |
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// location is beyond last reported end region, now we need to check, if the end region changed
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// NOTE: Enums are a special case, there the "last" field needs to be treated as current member
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if (currentMember != null && currentMember.Region.End < location && currentType.Kind != TypeKind.Enum) { |
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if (!IsInsideType (currentMember, location)) |
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currentMember = null; |
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}/* |
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var stack = GetBracketStack (engine.GetMemberTextToCaret ().Item1); |
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if (stack.Count == 0) |
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currentMember = null;*/ |
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} |
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IUnresolvedTypeDefinition FindInnerType (IUnresolvedTypeDefinition parent, TextLocation location) |
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{ |
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if (parent == null) |
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return null; |
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var currentType = parent; |
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foreach (var type in parent.NestedTypes) { |
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if (type.Region.Begin < location && location < type.Region.End) |
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currentType = FindInnerType (type, location); |
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} |
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return currentType; |
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} |
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bool IsInsideType (IUnresolvedEntity currentType, TextLocation location) |
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{ |
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int startOffset = document.GetOffset (currentType.Region.Begin); |
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int endOffset = document.GetOffset (location); |
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//bool foundEndBracket = false;
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var bracketStack = new Stack<char> (); |
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bool isInString = false, isInChar = false; |
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bool isInLineComment = false, isInBlockComment = false; |
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for (int i = startOffset; i < endOffset; i++) { |
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char ch = document.GetCharAt (i); |
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switch (ch) { |
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case '(': |
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case '[': |
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case '{': |
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if (!isInString && !isInChar && !isInLineComment && !isInBlockComment) |
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bracketStack.Push (ch); |
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break; |
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case ')': |
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case ']': |
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case '}': |
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if (!isInString && !isInChar && !isInLineComment && !isInBlockComment) |
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if (bracketStack.Count > 0) |
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bracketStack.Pop (); |
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break; |
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case '\r': |
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case '\n': |
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isInLineComment = false; |
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break; |
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case '/': |
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if (isInBlockComment) { |
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if (i > 0 && document.GetCharAt (i - 1) == '*') |
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isInBlockComment = false; |
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} else if (!isInString && !isInChar && i + 1 < document.TextLength) { |
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char nextChar = document.GetCharAt (i + 1); |
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if (nextChar == '/') |
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isInLineComment = true; |
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if (!isInLineComment && nextChar == '*') |
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isInBlockComment = true; |
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} |
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break; |
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case '"': |
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if (!(isInChar || isInLineComment || isInBlockComment)) |
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isInString = !isInString; |
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break; |
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case '\'': |
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if (!(isInString || isInLineComment || isInBlockComment)) |
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isInChar = !isInChar; |
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break; |
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default : |
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break; |
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} |
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} |
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return bracketStack.Any (t => t == '{'); |
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} |
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public Tuple<string, TextLocation> GetMemberTextToCaret(int caretOffset, IUnresolvedTypeDefinition currentType, IUnresolvedMember currentMember) |
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{ |
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int startOffset; |
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if (currentMember != null && currentType != null && currentType.Kind != TypeKind.Enum) { |
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startOffset = document.GetOffset(currentMember.Region.Begin); |
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} else if (currentType != null) { |
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startOffset = document.GetOffset(currentType.Region.Begin); |
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} else { |
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startOffset = 0; |
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} |
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while (startOffset > 0) { |
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char ch = document.GetCharAt(startOffset - 1); |
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if (ch != ' ' && ch != '\t') { |
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break; |
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} |
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--startOffset; |
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} |
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return Tuple.Create (document.GetText (startOffset, caretOffset - startOffset), document.GetLocation (startOffset)); |
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} |
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public CSharpAstResolver GetResolver (CSharpResolver resolver, AstNode rootNode) |
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{ |
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return new CSharpAstResolver (resolver, rootNode, parsedFile); |
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} |
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} |
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} |
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@ -1,40 +0,0 @@
@@ -1,40 +0,0 @@
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//
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// IMemberProvider.cs
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//
|
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// Author:
|
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// Mike Krüger <mkrueger@xamarin.com>
|
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//
|
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// Copyright (c) 2012 Xamarin Inc.
|
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//
|
||||
// Permission is hereby granted, free of charge, to any person obtaining a copy
|
||||
// of this software and associated documentation files (the "Software"), to deal
|
||||
// in the Software without restriction, including without limitation the rights
|
||||
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
||||
// copies of the Software, and to permit persons to whom the Software is
|
||||
// furnished to do so, subject to the following conditions:
|
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//
|
||||
// The above copyright notice and this permission notice shall be included in
|
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// all copies or substantial portions of the Software.
|
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//
|
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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// THE SOFTWARE.
|
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using System; |
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using System.Collections.Generic; |
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using ICSharpCode.NRefactory.TypeSystem; |
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using ICSharpCode.NRefactory.Editor; |
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using ICSharpCode.NRefactory.CSharp.TypeSystem; |
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using System.Linq; |
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|
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namespace ICSharpCode.NRefactory.CSharp.Completion |
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{ |
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public interface IMemberProvider |
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{ |
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void GetCurrentMembers (int offset, out IUnresolvedTypeDefinition currentType, out IUnresolvedMember currentMember); |
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} |
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} |
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