public ParseInformation Parse(FileName fileName, ITextSource fileContent, bool fullParseInformationRequested,
IProject parentProject, CancellationToken cancellationToken)
{
var csharpProject = parentProject as AlProject;
AlParser parser = new AlParser(csharpProject != null ? csharpProject.CompilerSettings : null);
SyntaxTree cu = parser.Parse(fileContent, fileName);
cu.Freeze();
AlUnresolvedFile file = cu.ToTypeSystem();
ParseInformation parseInfo;
if (fullParseInformationRequested)
parseInfo = new AlFullParseInformation(file, fileContent.Version, cu);
else
parseInfo = new ParseInformation(file, fileContent.Version, fullParseInformationRequested);
IDocument document = fileContent as IDocument;
AddCommentTags(cu, parseInfo.TagComments, fileContent, parseInfo.FileName, ref document);
if (fullParseInformationRequested) {
if (document == null)
document = new ReadOnlyDocument(fileContent, parseInfo.FileName);
((AlFullParseInformation)parseInfo).newFoldings = CreateNewFoldings(cu, document);
}
return parseInfo;
}
public ResolveResult Resolve(ParseInformation parseInfo, TextLocation location, ICompilation compilation, CancellationToken cancellationToken)
{
var csParseInfo = parseInfo as AlFullParseInformation;
if (csParseInfo == null)
throw new ArgumentException("Parse info does not have SyntaxTree");
AlUnresolvedFile unresolvedFile = csParseInfo.UnresolvedFile;
var projectContents = compilation.Assemblies.Select(asm => asm.UnresolvedAssembly).OfType<IProjectContent>().ToList();
if (projectContents.All(pc => pc.GetFile(unresolvedFile.FileName) != unresolvedFile))
unresolvedFile = null;
return ResolveAtLocation.Resolve(compilation, unresolvedFile, csParseInfo.SyntaxTree, location, cancellationToken);
}
public AlFullParseInformation(AlUnresolvedFile unresolvedFile, ITextSourceVersion parsedVersion, SyntaxTree compilationUnit)
: base(unresolvedFile, parsedVersion, isFullParseInformation: true)
{
if (unresolvedFile == null)
{
throw new ArgumentNullException("unresolvedFile");
}
if (compilationUnit == null)
{
throw new ArgumentNullException("compilationUnit");
}
this.syntaxTree = compilationUnit;
}
public DefaultCompletionContextProvider(IDocument document, AlUnresolvedFile unresolvedFile)
{
if (document == null)
{
throw new ArgumentNullException("document");
}
if (unresolvedFile == null)
{
throw new ArgumentNullException("unresolvedFile");
}
this.document = document;
this.unresolvedFile = unresolvedFile;
}
public ICodeContext ResolveContext(ParseInformation parseInfo, TextLocation location, ICompilation compilation, CancellationToken cancellationToken)
{
var csParseInfo = parseInfo as AlFullParseInformation;
if (csParseInfo == null)
throw new ArgumentException("Parse info does not have SyntaxTree");
AlUnresolvedFile unresolvedFile = csParseInfo.UnresolvedFile;
var projectContents = compilation.Assemblies.Select(asm => asm.UnresolvedAssembly).OfType<IProjectContent>().ToList();
if (projectContents.All(pc => pc.GetFile(unresolvedFile.FileName) != unresolvedFile))
unresolvedFile = null;
var syntaxTree = csParseInfo.SyntaxTree;
var node = syntaxTree.GetNodeAt(location);
if (node == null)
return null; // null result is allowed; the parser service will substitute a dummy context
var resolver = new AlAstResolver(compilation, syntaxTree, unresolvedFile);
return resolver.GetResolverStateBefore(node);
}
public static AlCompletionContext Get(ITextEditor editor, ICodeContext context, TextLocation currentLocation, ITextSource fileContent)
{
IDocument document = new ReadOnlyDocument(fileContent);
var projectContent = context.Compilation.MainAssembly.UnresolvedAssembly as IProjectContent;
if (projectContent == null)
{
return(null);
}
AlParser parser = new AlParser();
parser.GenerateTypeSystemMode = false;
SyntaxTree cu = parser.Parse(fileContent, Path.GetRandomFileName() + ".al");
cu.Freeze();
AlUnresolvedFile unresolvedFile = cu.ToTypeSystem();
ICompilation compilation = projectContent.AddOrUpdateFiles(unresolvedFile).CreateCompilation(SD.ParserService.GetCurrentSolutionSnapshot());
return(new AlCompletionContext(editor, EmptyList <string> .Instance, compilation, projectContent, document, unresolvedFile, currentLocation));
}
private AlCompletionContext(ITextEditor editor, IList <string> conditionalSymbols, ICompilation compilation, IProjectContent projectContent, IDocument document, AlUnresolvedFile unresolvedFile, TextLocation caretLocation)
{
Debug.Assert(editor != null);
Debug.Assert(unresolvedFile != null);
Debug.Assert(compilation != null);
Debug.Assert(projectContent != null);
Debug.Assert(document != null);
this.Editor = editor;
this.Document = document;
this.ConditionalSymbols = conditionalSymbols;
this.Compilation = compilation;
this.ProjectContent = projectContent;
this.TypeResolveContextAtCaret = unresolvedFile.GetTypeResolveContext(compilation, caretLocation);
this.CompletionContextProvider = new DefaultCompletionContextProvider(document, unresolvedFile);
this.CompletionContextProvider.ConditionalSymbols.AddRange(conditionalSymbols);
}
void RenameReferencesInFile(SymbolRenameArgs args, IList <IFindReferenceSearchScope> searchScopeList, FileName fileName, Action <PatchedFile> callback, Action <Error> errorCallback, bool isNameValid, CancellationToken cancellationToken)
{
ITextSource textSource = args.ParseableFileContentFinder.Create(fileName);
if (textSource == null)
{
return;
}
if (searchScopeList != null)
{
if (!searchScopeList.DistinctBy(scope => scope.SearchTerm ?? String.Empty).Any(
scope => (scope.SearchTerm == null) || (textSource.IndexOf(scope.SearchTerm, 0, textSource.TextLength, StringComparison.Ordinal) >= 0)))
{
return;
}
}
var parseInfo = SD.ParserService.Parse(fileName, textSource) as AlFullParseInformation;
if (parseInfo == null)
{
return;
}
ReadOnlyDocument document = null;
IHighlighter highlighter = null;
List <RenameResultMatch> results = new List <RenameResultMatch>();
// Grab the unresolved file matching the compilation version
// (this may differ from the version created by re-parsing the project)
AlUnresolvedFile unresolvedFile = null;
IProjectContent pc = compilation.MainAssembly.UnresolvedAssembly as IProjectContent;
if (pc != null)
{
unresolvedFile = pc.GetFile(fileName) as AlUnresolvedFile;
}
AlAstResolver resolver = new AlAstResolver(compilation, parseInfo.SyntaxTree, unresolvedFile);
fr.RenameReferencesInFile(
searchScopeList, args.NewName, resolver,
delegate(RenameCallbackArguments callbackArgs) {
var node = callbackArgs.NodeToReplace;
string newCode = callbackArgs.NewNode.ToString();
if (document == null)
{
document = new ReadOnlyDocument(textSource, fileName);
if (args.ProvideHighlightedLine)
{
highlighter = SD.EditorControlService.CreateHighlighter(document);
highlighter.BeginHighlighting();
}
}
var startLocation = node.StartLocation;
var endLocation = node.EndLocation;
int offset = document.GetOffset(startLocation);
int length = document.GetOffset(endLocation) - offset;
if (args.ProvideHighlightedLine)
{
var builder = SearchResultsPad.CreateInlineBuilder(node.StartLocation, node.EndLocation, document, highlighter);
var defaultTextColor = highlighter != null ? highlighter.DefaultTextColor : null;
results.Add(new RenameResultMatch(fileName, startLocation, endLocation, offset, length, newCode, builder, defaultTextColor));
}
else
{
results.Add(new RenameResultMatch(fileName, startLocation, endLocation, offset, length, newCode));
}
},
errorCallback, cancellationToken);
if (highlighter != null)
{
highlighter.Dispose();
}
if (results.Count > 0)
{
if (!isNameValid)
{
errorCallback(new Error(ErrorType.Error, string.Format("The name '{0}' is not valid in the current context!", args.NewName),
new DomRegion(fileName, results[0].StartLocation)));
return;
}
IDocument changedDocument = new TextDocument(document);
var oldVersion = changedDocument.Version;
List <SearchResultMatch> fixedResults = new List <SearchResultMatch>();
int lastStartOffset = changedDocument.TextLength + 1;
foreach (var result in results.OrderByDescending(m => m.StartOffset))
{
if (result.EndOffset <= lastStartOffset)
{
changedDocument.Replace(result.StartOffset, result.Length, result.NewCode);
fixedResults.Add(result);
lastStartOffset = result.StartOffset;
}
}
callback(new PatchedFile(fileName, fixedResults, oldVersion, changedDocument.Version));
}
}
void FindReferencesInFile(SymbolSearchArgs args, IList <IFindReferenceSearchScope> searchScopeList, FileName fileName, Action <SearchedFile> callback, CancellationToken cancellationToken)
{
ITextSource textSource = args.ParseableFileContentFinder.Create(fileName);
if (textSource == null)
{
return;
}
if (searchScopeList != null)
{
if (!searchScopeList.DistinctBy(scope => scope.SearchTerm ?? String.Empty).Any(
scope => (scope.SearchTerm == null) || (textSource.IndexOf(scope.SearchTerm, 0, textSource.TextLength, StringComparison.Ordinal) >= 0)))
{
return;
}
}
var parseInfo = SD.ParserService.Parse(fileName, textSource) as AlFullParseInformation;
if (parseInfo == null)
{
return;
}
ReadOnlyDocument document = null;
IHighlighter highlighter = null;
List <SearchResultMatch> results = new List <SearchResultMatch>();
// Grab the unresolved file matching the compilation version
// (this may differ from the version created by re-parsing the project)
AlUnresolvedFile unresolvedFile = null;
IProjectContent pc = compilation.MainAssembly.UnresolvedAssembly as IProjectContent;
if (pc != null)
{
unresolvedFile = pc.GetFile(fileName) as AlUnresolvedFile;
}
fr.FindReferencesInFile(
searchScopeList, unresolvedFile, parseInfo.SyntaxTree, compilation,
delegate(AstNode node, ResolveResult result) {
if (document == null)
{
document = new ReadOnlyDocument(textSource, fileName);
highlighter = SD.EditorControlService.CreateHighlighter(document);
highlighter.BeginHighlighting();
}
Identifier identifier = node.GetChildByRole(Roles.Identifier);
if (!identifier.IsNull)
{
node = identifier;
}
var region = new DomRegion(fileName, node.StartLocation, node.EndLocation);
int offset = document.GetOffset(node.StartLocation);
int length = document.GetOffset(node.EndLocation) - offset;
var builder = SearchResultsPad.CreateInlineBuilder(node.StartLocation, node.EndLocation, document, highlighter);
var defaultTextColor = highlighter != null ? highlighter.DefaultTextColor : null;
results.Add(new SearchResultMatch(fileName, node.StartLocation, node.EndLocation, offset, length, builder, defaultTextColor));
}, cancellationToken);
if (highlighter != null)
{
highlighter.Dispose();
}
if (results.Count > 0)
{
// Remove overlapping results
List <SearchResultMatch> fixedResults = new List <SearchResultMatch>();
int lastEndOffset = 0;
foreach (var result in results.OrderBy(m => m.StartOffset))
{
if (result.StartOffset >= lastEndOffset)
{
fixedResults.Add(result);
lastEndOffset = result.EndOffset;
}
}
callback(new SearchedFile(fileName, fixedResults));
}
}
