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//
// CodeAnalysisRunner.cs
//
// Author:
// Mike Krüger <mkrueger@xamarin.com>
//
// Copyright (c) 2012 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.
//#define PROFILE
using System;
using System.Linq;
using MonoDevelop.AnalysisCore;
using System.Collections.Generic;
using MonoDevelop.Ide.Gui;
using System.Threading;
using MonoDevelop.CodeIssues;
using Microsoft.CodeAnalysis.Diagnostics;
using Microsoft.CodeAnalysis.CodeFixes;
using MonoDevelop.CodeActions;
using MonoDevelop.Core;
using MonoDevelop.AnalysisCore.Gui;
using Microsoft.CodeAnalysis.CSharp;
using Microsoft.CodeAnalysis;
using System.Threading.Tasks;
using System.Diagnostics;
using MonoDevelop.Ide.Editor;
using System.Collections.Immutable;
using System.Globalization;
namespace MonoDevelop.CodeIssues
{
static class CodeDiagnosticRunner
{
public static async Task<IEnumerable<Result>> Check (AnalysisDocument analysisDocument, CancellationToken cancellationToken, ImmutableArray<DiagnosticData> results)
{
var input = analysisDocument.DocumentContext;
if (!AnalysisOptions.EnableFancyFeatures || input.Project == null || !input.IsCompileableInProject || input.AnalysisDocument == null)
return Enumerable.Empty<Result> ();
try {
var resultList = new List<Result> (results.Length);
foreach (var data in results) {
if (input.IsAdHocProject && SkipError (data.Id))
continue;
if (data.IsSuppressed)
continue;
bool skip = false;
foreach (var customTag in data.CustomTags) {
if (customTag == WellKnownDiagnosticTags.AnalyzerException) {
LoggingService.LogError (data.Description);
skip = true;
break;
}
if (customTag == WellKnownDiagnosticTags.EditAndContinue) {
skip = true;
break;
}
}
if (skip)
continue;
var options = await ((MonoDevelopWorkspaceDiagnosticAnalyzerProviderService)Ide.Composition.CompositionManager.GetExportedValue<IWorkspaceDiagnosticAnalyzerProviderService> ()).GetOptionsAsync ();
if (options.TryGetDiagnosticDescriptor (data.Id, out var desc) && !data.IsEnabledByDefault)
continue;
var diagnostic = await data.ToDiagnosticAsync (analysisDocument, cancellationToken, desc);
resultList.Add (new DiagnosticResult (diagnostic));
}
return resultList;
} catch (OperationCanceledException) {
return Enumerable.Empty<Result> ();
} catch (AggregateException ae) {
ae.Flatten ().Handle (ix => ix is OperationCanceledException);
return Enumerable.Empty<Result> ();
} catch (Exception e) {
LoggingService.LogError ("Error while running diagnostics.", e);
return Enumerable.Empty<Result> ();
}
}
static string [] lexicalError = {
"CS0594", // ERR_FloatOverflow
"CS0595", // ERR_InvalidReal
"CS1009", // ERR_IllegalEscape
"CS1010", // ERR_NewlineInConst
"CS1011", // ERR_EmptyCharConst
"CS1012", // ERR_TooManyCharsInConst
"CS1015", // ERR_TypeExpected
"CS1021", // ERR_IntOverflow
"CS1032", // ERR_PPDefFollowsTokenpp
"CS1035", // ERR_OpenEndedComment
"CS1039", // ERR_UnterminatedStringLit
"CS1040", // ERR_BadDirectivePlacementpp
"CS1056", // ERR_UnexpectedCharacter
"CS1056", // ERR_UnexpectedCharacter_EscapedBackslash
"CS1646", // ERR_ExpectedVerbatimLiteral
"CS0078", // WRN_LowercaseEllSuffix
"CS1002", // ; expected
"CS1519", // Invalid token ';' in class, struct, or interface member declaration
"CS1031", // Type expected
"CS0106", // The modifier 'readonly' is not valid for this item
"CS1576", // The line number specified for #line directive is missing or invalid
"CS1513" // } expected
};
static bool SkipError (string errorId)
{
return !lexicalError.Contains (errorId);
}
static async Task<Diagnostic> ToDiagnosticAsync (this DiagnosticData data, AnalysisDocument analysisDocument, CancellationToken cancellationToken, CodeDiagnosticDescriptor desc)
{
var project = analysisDocument.DocumentContext.AnalysisDocument.Project;
var location = await data.DataLocation.ConvertLocationAsync (project, cancellationToken).ConfigureAwait (false);
var additionalLocations = await data.AdditionalLocations.ConvertLocationsAsync (project, cancellationToken).ConfigureAwait (false);
DiagnosticSeverity severity = data.Severity;
return Diagnostic.Create (
data.Id, data.Category, data.Message, severity, data.DefaultSeverity,
data.IsEnabledByDefault, GetWarningLevel (severity), data.IsSuppressed, data.Title, data.Description, data.HelpLink,
location, additionalLocations, customTags: data.CustomTags, properties: data.Properties);
}
static int GetWarningLevel (DiagnosticSeverity severity)
{
return severity == DiagnosticSeverity.Error ? 0 : 1;
}
}
}
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