1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
|
//
// AbstractGenerateMemberCodeFixProvider.cs
//
// Author:
// Mike Krüger <mkrueger@xamarin.com>
//
// Copyright (c) 2015 Xamarin Inc. (http://xamarin.com)
//
// 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:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
using System.Collections.Generic;
using System.Collections.Immutable;
using System.Linq;
using System.Composition;
using System.Threading;
using System.Threading.Tasks;
using Microsoft.CodeAnalysis.CodeActions;
using Microsoft.CodeAnalysis.CodeFixes;
using Microsoft.CodeAnalysis.CSharp.Extensions;
using Microsoft.CodeAnalysis.CSharp.Syntax;
using Microsoft.CodeAnalysis.Shared.Extensions;
using Microsoft.CodeAnalysis;
using Microsoft.CodeAnalysis.Text;
using ICSharpCode.NRefactory6.CSharp;
namespace MonoDevelop.CSharp.CodeFixes.GenerateConstructor
{
internal abstract class AbstractGenerateMemberCodeFixProvider : CodeFixProvider
{
public sealed override async Task RegisterCodeFixesAsync(CodeFixContext context)
{
// NOTE(DustinCa): Not supported in REPL for now.
if (context.Document.SourceCodeKind == SourceCodeKind.Interactive)
{
return;
}
var model = await context.Document.GetSemanticModelAsync(context.CancellationToken).ConfigureAwait (false);
if (model.IsFromGeneratedCode (context.CancellationToken))
return;
var root = await model.SyntaxTree.GetRootAsync (context.CancellationToken).ConfigureAwait (false);
var names = GetTargetNodes(root, context.Span);
foreach (var name in names)
{
var codeActions = await GetCodeActionsAsync(context.Document, name, context.CancellationToken).ConfigureAwait(false);
if (codeActions == null)
{
continue;
}
foreach (var act in codeActions)
context.RegisterCodeFix (act, context.Diagnostics);
return;
}
}
protected abstract Task<IEnumerable<CodeAction>> GetCodeActionsAsync(Document document, SyntaxNode node, CancellationToken cancellationToken);
protected virtual SyntaxNode GetTargetNode(SyntaxNode node)
{
return node;
}
protected virtual bool IsCandidate(SyntaxNode node)
{
return false;
}
protected virtual IEnumerable<SyntaxNode> GetTargetNodes(SyntaxNode root, TextSpan span)
{
var token = root.FindToken(span.Start);
if (!token.Span.IntersectsWith(span))
{
yield break;
}
var nodes = token.GetAncestors<SyntaxNode>().Where(IsCandidate);
foreach (var node in nodes)
{
var name = GetTargetNode(node);
if (name != null)
{
yield return name;
}
}
}
}
}
|
