public async Task <CodeAnalysisResults> RunCodeAnalysisAsync(ISourceFile file,
List <UnsavedFile> unsavedFiles, Func <bool> interruptRequested)
{
var result = new CodeAnalysisResults();
var dataAssociation = GetAssociatedData(file);
var currentUnsavedFile = unsavedFiles.FirstOrDefault(f => f.FileName == file.FilePath);
var currentFileConts = currentUnsavedFile?.Contents ?? File.ReadAllText(file.FilePath);
var currentFileName = currentUnsavedFile?.FileName ?? file.FilePath;
TypeScriptSyntaxTree syntaxTree;
// Only one analyzer at a time; the JS engine is single-threaded. TODO: Workaround with multiple JS engines
await analysisThreadSemaphore.WaitAsync();
try
{
syntaxTree = await _typeScriptContext.BuildAstAsync(currentFileName, currentFileConts);
}
catch (JavaScriptException)
{
return(new CodeAnalysisResults
{
Diagnostics = new TextSegmentCollection <Diagnostic>
{
new Diagnostic
{
Project = file.Project,
Line = 1,
Spelling = "Code analysis language service call failed.",
StartOffset = 0,
File = file.Name,
Level = DiagnosticLevel.Error,
}
}
});
}
finally
{
analysisThreadSemaphore.Release();
}
#if DEBUG
var syntaxTreeJsonDebug = JsonConvert.SerializeObject(syntaxTree);
#endif
var lineCommentMatches = LineCommentPattern.Matches(currentFileConts);
foreach (Match commentMatch in lineCommentMatches)
{
result.SyntaxHighlightingData.Add(new OffsetSyntaxHighlightingData
{
Start = commentMatch.Index,
Length = commentMatch.Length,
Type = HighlightType.Comment
});
}
var blockCommentMatches = BlockCommentPattern.Matches(currentFileConts);
foreach (Match commentMatch in blockCommentMatches)
{
result.SyntaxHighlightingData.Add(new OffsetSyntaxHighlightingData
{
Start = commentMatch.Index,
Length = commentMatch.Length,
Type = HighlightType.Comment
});
}
// Highlight keywords
var keywordMatches = KeywordPattern.Matches(currentFileConts);
foreach (Match keywordMatch in keywordMatches)
{
result.SyntaxHighlightingData.Add(new OffsetSyntaxHighlightingData
{
Start = keywordMatch.Index,
Length = keywordMatch.Length,
Type = HighlightType.Keyword
});
}
// Recursively highlight and analyze from parse tree
foreach (var rootStatement in syntaxTree.Statements)
{
HighlightNode(rootStatement, result);
}
// Diagnostics
// Language service has diagnostics
foreach (var diagnostic in syntaxTree.ParseDiagnostics)
{
// Convert diagnostics
result.Diagnostics.Add(new Diagnostic
{
Project = file.Project,
Line = GetLineNumber(currentFileConts, diagnostic.Start), // TODO
StartOffset = diagnostic.Start,
EndOffset = diagnostic.Start + diagnostic.Length,
Spelling = diagnostic.MessageText,
Level = diagnostic.Category == TSBridge.Ast.Diagnostics.Diagnostic.DiagnosticCategory.Error
? DiagnosticLevel.Error
: DiagnosticLevel.Warning
});
}
result.Diagnostics.Add(new Diagnostic
{
Project = file.Project,
Line = 1,
Spelling = "Code analysis for TypeScript is experimental and unstable. Use with caution.",
StartOffset = 0,
File = file.Name,
Level = DiagnosticLevel.Warning,
});
return(result);
}
public async Task <CodeAnalysisResults> RunCodeAnalysisAsync(
IEnumerable <UnsavedFile> unsavedFiles, Func <bool> interruptRequested)
{
var errorList = IoC.Get <IErrorList>();
var result = new CodeAnalysisResults();
var diagnostics = new List <Diagnostic>();
var file = _editor.SourceFile;
var dataAssociation = GetAssociatedData(file);
var currentUnsavedFile = unsavedFiles.FirstOrDefault(f => f.FileName == file.FilePath);
var currentFileConts = currentUnsavedFile?.Contents ?? File.ReadAllText(file.FilePath);
var currentFileName = currentUnsavedFile?.FileName ?? file.FilePath;
TypeScriptSyntaxTree syntaxTree;
// Only one analyzer at a time; the JS engine is single-threaded. TODO: Workaround with multiple JS engines
await analysisThreadSemaphore.WaitAsync();
try
{
syntaxTree = await _typeScriptContext.BuildAstAsync(currentFileName, currentFileConts);
}
catch (JavaScriptException)
{
diagnostics.Add(new Diagnostic(
0, 0,
_editor.SourceFile.Project.Name,
_editor.SourceFile.Location,
0,
"Code analysis language service call failed.",
"INT001",
DiagnosticLevel.Error,
DiagnosticCategory.Compiler));
errorList.Remove((this, _editor.SourceFile));
errorList.Create((this, _editor.SourceFile), null, DiagnosticSourceKind.Analysis, diagnostics.ToImmutableArray());
return(new CodeAnalysisResults());
}
finally
{
analysisThreadSemaphore.Release();
}
#if DEBUG
var syntaxTreeJsonDebug = JsonConvert.SerializeObject(syntaxTree);
#endif
var lineCommentMatches = LineCommentPattern.Matches(currentFileConts);
foreach (Match commentMatch in lineCommentMatches)
{
result.SyntaxHighlightingData.Add(new OffsetSyntaxHighlightingData
{
Start = commentMatch.Index,
Length = commentMatch.Length,
Type = HighlightType.Comment
});
}
var blockCommentMatches = BlockCommentPattern.Matches(currentFileConts);
foreach (Match commentMatch in blockCommentMatches)
{
result.SyntaxHighlightingData.Add(new OffsetSyntaxHighlightingData
{
Start = commentMatch.Index,
Length = commentMatch.Length,
Type = HighlightType.Comment
});
}
// Highlight keywords
var keywordMatches = KeywordPattern.Matches(currentFileConts);
foreach (Match keywordMatch in keywordMatches)
{
result.SyntaxHighlightingData.Add(new OffsetSyntaxHighlightingData
{
Start = keywordMatch.Index,
Length = keywordMatch.Length,
Type = HighlightType.Keyword
});
}
// Recursively highlight and analyze from parse tree
foreach (var rootStatement in syntaxTree.Statements)
{
HighlightNode(rootStatement, result);
}
// Diagnostics
foreach (var diagnostic in syntaxTree.ParseDiagnostics)
{
// Convert diagnostics
diagnostics.Add(new Diagnostic(
diagnostic.Start,
diagnostic.Length,
_editor.SourceFile.Project.Name,
_editor.SourceFile.Location,
GetLineNumber(currentFileConts, diagnostic.Start),
diagnostic.MessageText,
"INT002",
diagnostic.Category == TSBridge.Ast.Diagnostics.Diagnostic.DiagnosticCategory.Error
? DiagnosticLevel.Error
: DiagnosticLevel.Warning,
DiagnosticCategory.Compiler
));
}
diagnostics.Add(new Diagnostic(
0,
0,
_editor.SourceFile.Project.Name,
_editor.SourceFile.Location,
0,
"Code analysis for TypeScript is experimental and unstable. Use with caution.",
"INT003",
DiagnosticLevel.Warning,
DiagnosticCategory.Compiler));
errorList.Remove((this, _editor.SourceFile));
errorList.Create((this, _editor.SourceFile), null, DiagnosticSourceKind.Analysis, diagnostics.ToImmutableArray());
return(result);
}