/// <summary>
/// Finds any intellisense declarations relative to the current caret position.
/// </summary>
/// <param name="lineNum">Caret line</param>
/// <param name="colNum">Caret column</param>
/// <param name="reason">Reason for parse</param>
/// <returns>IntellisenseDeclarations</returns>
public IntellisenseDeclarations Find(int lineNum, int colNum, ParseReason reason)
{
string line = lineView.GetTextUptoPosition(lineNum, colNum);
bool isImportStatement = line.StartsWith(ImportKeyword);
var declarations = (isImportStatement) ? new ImportIntellisenseDeclarations() : new IntellisenseDeclarations();
if (line.EndsWith(".") || reason == ParseReason.MemberSelect)
{
if (isImportStatement) line = line.Remove(0, ImportKeyword.Length).Trim(); // remove import keyword
// Member Select: it's easier to check if the line ends in a . rather than checking
// the parse reason, because the parse reason may not technically be correct.
// for example "Syst[ctrl+space]" is a complete word, while "System[.]" is
// a member lookup; however, "System.[ctrl+space]" is a member lookup but it gets
// reported as a complete word because of the shortcut used.
// So it's easier just to say any lines ending in "." are member lookups, and everything
// else is complete word.
AddMemberLookupDeclarations(declarations, line, lineNum);
return declarations;
}
// Everything else (complete word)
return GetScopedIntellisenseDeclarations(lineNum);
}
public IntellisenseDeclarations Find(CaretLocation caretLocation, ParseReason parseReason)
{
if (!caretLocation.IsValid)
throw new ArgumentException("Caret location has not been provided, cannot continue.");
return Find(caretLocation.Line.Value, caretLocation.Column.Value, parseReason);
}
public void FloatVariableDeclaration()
{
var results = RunCompiler(
//@"f as single" // does not work
@"f = 1.0f"
);
var mToken = results.GetMappedToken(0, 0);
TextSpan ts = new TextSpan();
TextSpan expected = new TextSpan();
expected.iStartLine = 0;
expected.iEndLine = 0;
expected.iStartIndex = 0;
expected.iEndIndex = 1;
Assert.NotNull(mToken);
Assert.AreEqual(2, mToken.Nodes.Count);
Assert.IsInstanceOf(typeof(MappedReferenceExpression), (mToken.Nodes[1]));
Assert.AreEqual("(local variable) f as single", mToken.GetDataTiptext(out ts));
Assert.AreEqual(ts, expected);
mToken.Goto(out ts);
TokenInfo ti = new TokenInfo();
ParseReason pr = new ParseReason();
mToken.GetDeclarations(ti, pr);
}
public void BoolTypeReference()
{
var results = RunCompiler(
@"a as bool"
);
var mToken = results.GetMappedToken(0, 5);
TextSpan ts = new TextSpan();
TextSpan expected = new TextSpan();
expected.iStartLine = 0;
expected.iEndLine = 0;
expected.iStartIndex = 5;
expected.iEndIndex = 9;
Assert.NotNull(mToken);
Assert.AreEqual(2, mToken.Nodes.Count);
Assert.IsInstanceOf(typeof(MappedTypeReference), (mToken.Nodes[1]));
Assert.AreEqual("struct bool", mToken.GetDataTiptext(out ts));
Assert.AreEqual(ts, expected);
mToken.Goto(out ts);
TokenInfo ti = new TokenInfo();
ParseReason pr = new ParseReason();
mToken.GetDeclarations(ti, pr);
}
public void BoolTypeReference()
{
var results = RunCompiler(
@"a as bool"
);
var mToken = results.GetMappedToken(0, 5);
TextSpan ts = new TextSpan();
TextSpan expected = new TextSpan();
expected.iStartLine = 0;
expected.iEndLine = 0;
expected.iStartIndex = 5;
expected.iEndIndex = 9;
Assert.NotNull(mToken);
Assert.AreEqual(2, mToken.Nodes.Count);
Assert.IsInstanceOf(typeof(MappedTypeReference), (mToken.Nodes[1]));
Assert.AreEqual("struct bool", mToken.GetDataTiptext(out ts));
Assert.AreEqual(ts, expected);
mToken.Goto(out ts);
TokenInfo ti = new TokenInfo();
ParseReason pr = new ParseReason();
mToken.GetDeclarations(ti, pr);
}
// ParseReason.CompleteWord
// ParseReason.DisplayMemberList
// ParseReason.MemberSelect
// ParseReason.MemberSelectAndHilightBraces
public override Microsoft.VisualStudio.Package.Declarations GetDeclarations(IVsTextView view, int line, int col, TokenInfo info, ParseReason reason)
{
IList<Declaration> declarations;
switch (reason)
{
case ParseReason.CompleteWord:
var tokenInfo = GetTokenInfoOfFirstTokenOnLine(view, line, col);
if (tokenInfo.Token == (int)GherkinTerm.Step)
declarations = resolver.FindMembers(StepProvider, Grammar, line, col);
else
declarations = resolver.FindCompletions(StepProvider, Grammar, line, col);
break;
case ParseReason.DisplayMemberList:
case ParseReason.MemberSelect:
case ParseReason.MemberSelectAndHighlightBraces:
declarations = resolver.FindMembers(StepProvider, Grammar, line, col);
break;
default:
throw new ArgumentException("reason");
}
return new Declarations(declarations);
}
//public override TextSpan CommentLines(TextSpan span, string lineComment) {
// // Calculate minimal position of non-space char
// // at lines in selected span.
// var minNonEmptyPosition = 0;
// for (var i = span.iStartLine; i <= span.iEndLine; ++i) {
// var line = base.GetLine(i);
// if (line.Trim().Length <= 0)
// continue;
// var spaceLen = line.Replace(line.TrimStart(), "").Length;
// spaceLen = line.Length - line.TrimStart().Length;
// //line.TrimStart();
// if (minNonEmptyPosition == 0 || spaceLen < minNonEmptyPosition)
// minNonEmptyPosition = spaceLen;
// }
// // insert line comment at calculated position.
// var editMgr = new EditArray(this, null, true, "CommentLines");
// for (var i = span.iStartLine; i <= span.iEndLine; ++i) {
// var text = base.GetLine(i);
// if (minNonEmptyPosition <= text.Length && text.Trim().Length > 0) {
// var commentSpan = new TextSpan();
// commentSpan.iStartLine = commentSpan.iEndLine = i;
// commentSpan.iStartIndex = commentSpan.iEndIndex = minNonEmptyPosition;
// editMgr.Add(new EditSpan(commentSpan, lineComment));
// }
// }
// editMgr.ApplyEdits();
// // adjust original span to fit comment symbols
// span.iEndIndex += lineComment.Length;
// return span;
//}
public override AuthoringSink CreateAuthoringSink(ParseReason reason, int line, int col)
{
//throw new NotImplementedException("Ooops");
//AuthoringSink as1 = new AuthoringSink(reason, line, col, 100);
//as1.ProcessHiddenRegions = true;
//return as1;
return(base.CreateAuthoringSink(reason, line, col));
}
public override Declarations GetDeclarations(MVTI.IVsTextView view,
int line,
int col,
TokenInfo info,
ParseReason reason)
{
return null;
}
public override Declarations GetDeclarations(IVsTextView view,
int line,
int col,
TokenInfo info,
ParseReason reason)
{
return(null);
}
public override ParseRequest BeginParse(int line, int idx, TokenInfo info, ParseReason reason, IVsTextView view, ParseResultHandler callback)
{
//return base.BeginParse(line, idx, info, reason, view, callback);
switch (reason)
{
case ParseReason.Autos:
break;
case ParseReason.Check:
m_parse_reason = ParseReason.Check;
NSUtil.DebugPrintAlways("NSSource BeginParse Check");
//m_scanner.m_fullscan = 3;
//Recolorize(0,LineCount);
//m_scanner.m_fullscan = false;
//Recolorize(0, this.LineCount);
break;
//return null;
case ParseReason.CodeSpan:
break;
case ParseReason.CompleteWord:
break;
case ParseReason.DisplayMemberList:
break;
case ParseReason.Goto:
break;
case ParseReason.MemberSelect:
break;
case ParseReason.MemberSelectAndHighlightBraces:
break;
case ParseReason.MethodTip:
break;
case ParseReason.None:
break;
case ParseReason.QuickInfo:
break;
case ParseReason.HighlightBraces:
case ParseReason.MatchBraces:
Trace.Assert(false);
break;
default:
break;
}
return(base.BeginParse(line, idx, info, reason, view, callback));
//return null;
}
public override Declarations GetDeclarations(IVsTextView view,
int line,
int col,
TokenInfo info,
ParseReason reason)
{
var ret = new EpochDeclarations();
return(ret);
}
public Declarations GetDeclarations(TokenInfo info, ParseReason reason)
{
var node = Nodes.Where(n => n.Declarations.GetCount() > 0).FirstOrDefault();
if (node == null)
{
return(new BooDeclarations());
}
return(node.Declarations);
}
internal Declarations GetDeclarations(int line, int col, TokenInfo info, ParseReason reason)
{
var token = fileNode.GetAdjacentMappedToken(line, col);
if (token == null)
{
return(new BooDeclarations());
}
return(token.GetDeclarations(info, reason));
}
public override Declarations GetDeclarations(IVsTextView view, int line, int col, TokenInfo info, ParseReason reason)
{
Debug.WriteLine("GetDeclarations token type: {0}", info.Type);
string t = null;
if (info.Type != TokenType.Delimiter)
{
info.Type = TokenType.Keyword;
view.GetTextStream(line, col - (info.EndIndex - info.StartIndex + 1), line, col, out t);
Debug.WriteLine("GetDeclarations text: {0}", t);
}
return new AphidDeclarations(this, t);
}
public override Declarations GetDeclarations(IVsTextView view, int line, int col, TokenInfo info, ParseReason reason)
{
System.Diagnostics.Debug.Print("GetDeclarations line({0}), col({1}), TokenInfo(type {2} at {3}-{4} triggers {5}), reason({6})",
line, col, info.Type, info.StartIndex, info.EndIndex, info.Trigger, reason);
IList<Declaration> declarations = module.GetAttributesAt(line + 1, info.StartIndex);
PythonDeclarations pythonDeclarations = new PythonDeclarations(declarations, language);
//Show snippets according to current language context
if (IsContextRightForSnippets(line, info)) {
((PythonLanguage)language).AddSnippets(ref pythonDeclarations);
}
//Sort statement completion items in alphabetical order
pythonDeclarations.Sort();
return pythonDeclarations;
}
public override Declarations GetDeclarations(IVsTextView view, int lineNum, int col, TokenInfo info, ParseReason reason)
{
string line = source.GetLine(lineNum);
if (line.StartsWith(ImportKeyword))
{
// handle this separately from normal intellisense, because:
// a) the open import statement will have broken the document
// b) we don't need the doc anyway, all imports would be external to the current file
// only problem is, the top level namespaces (i.e. System, Boo, Microsoft) should be
// usable from within code too, so we need some way of parsing and caching them and
// making them available everywhere
return GetImportIntellisenseDeclarations(line);
}
return GetScopedIntellisenseDeclarations(lineNum);
}
// ParseReason.CompleteWord
// ParseReason.DisplayMemberList
// ParseReason.MemberSelect
// ParseReason.MemberSelectAndHilightBraces
public override Microsoft.VisualStudio.Package.Declarations GetDeclarations(IVsTextView view, int line, int col, TokenInfo info, ParseReason reason)
{
IList<Declaration> declarations;
switch (reason) {
case ParseReason.CompleteWord:
declarations = resolver.FindCompletions(null, line, col);
break;
case ParseReason.DisplayMemberList:
case ParseReason.MemberSelect:
case ParseReason.MemberSelectAndHighlightBraces:
declarations = resolver.FindMembers(null, line, col);
break;
default:
throw new ArgumentException("reason");
}
return new Babel.Declarations(declarations);
}
// ParseReason.CompleteWord
// ParseReason.DisplayMemberList
// ParseReason.MemberSelect
// ParseReason.MemberSelectAndHilightBraces
public override Declarations GetDeclarations(IVsTextView view, int line, int col, TokenInfo info, ParseReason reason)
{
//IList<Declaration> declarations;
//switch (reason) {
// case ParseReason.CompleteWord:
// declarations = resolver.FindCompletions(parseResult, line, col);
// break;
// case ParseReason.DisplayMemberList:
// case ParseReason.MemberSelect:
// case ParseReason.MemberSelectAndHighlightBraces:
// declarations = resolver.FindMembers(parseResult, line, col);
// break;
// default:
// throw new ArgumentException("reason");
//}
//return new Declarations(declarations);
return null;
}
public override void Completion(IVsTextView textView, TokenInfo info,
ParseReason reason)
{
bool oldValue = LanguageService.Preferences.EnableAsyncCompletion;
if (reason == ParseReason.MemberSelect ||
reason == ParseReason.MemberSelectAndHighlightBraces)
{
if (info.Token == (int)CMakeToken.VariableStart ||
info.Token == (int)CMakeToken.VariableStartEnv)
{
// Disable asynchronous parsing for member selection requests
// involving variables. It doesn't work properly when a parameter
// information tool tip is visible.
LanguageService.Preferences.EnableAsyncCompletion = false;
}
}
base.Completion(textView, info, reason);
LanguageService.Preferences.EnableAsyncCompletion = oldValue;
}
public void Attribute()
{
var results = RunCompiler(
@"[System.Serializable]
class Class:
def constructor():
pass"
);
var mToken = results.GetMappedToken(0, 1);
Assert.NotNull(mToken);
Assert.AreEqual(2, mToken.Nodes.Count);
Assert.IsInstanceOf(typeof(MappedAttribute), (mToken.Nodes[1]));
Assert.AreEqual(Formats.BooType, mToken.Nodes[1].Format);
// Assert.AreEqual("class System.Serializable", mToken.Nodes[1].QuickInfoTip);
TextSpan ts = new TextSpan();
mToken.Goto(out ts);
TokenInfo ti = new TokenInfo();
ParseReason pr = new ParseReason();
mToken.GetDeclarations(ti, pr);
}
public void Attribute()
{
var results = RunCompiler(
@"[System.Serializable]
class Class:
def constructor():
pass"
);
var mToken = results.GetMappedToken(0, 1);
Assert.NotNull(mToken);
Assert.AreEqual(2, mToken.Nodes.Count);
Assert.IsInstanceOf(typeof(MappedAttribute), (mToken.Nodes[1]));
Assert.AreEqual(Formats.BooType, mToken.Nodes[1].Format);
// Assert.AreEqual("class System.Serializable", mToken.Nodes[1].QuickInfoTip);
TextSpan ts = new TextSpan();
mToken.Goto(out ts);
TokenInfo ti = new TokenInfo();
ParseReason pr = new ParseReason();
mToken.GetDeclarations(ti, pr);
}
public AuthoringSink(ParseReason reason, int line, int col){
this.reason = reason;
this.Errors = new ArrayList();
this.Line = line;
this.Column = col;
this.Names = new StringCollection();
this.SourceLocations = new ArrayList();
this.MethodCalls = new MethodCalls();
this.Spans = new ArrayList();
}
} // func GetDataTipText
public override Declarations GetDeclarations(IVsTextView view, int line, int col, TokenInfo info, ParseReason reason)
{
// todo: check corrent token
return(declarations);
} // func GetDeclarations
public override Declarations GetDeclarations(IVsTextView view, int line, int col, TokenInfo info, ParseReason reason)
{
Debug.WriteLine("GetDeclarations token type: {0}", info.Type);
string t = null;
if (info.Type != TokenType.Delimiter)
{
info.Type = TokenType.Keyword;
view.GetTextStream(line, col - (info.EndIndex - info.StartIndex + 1), line, col, out t);
Debug.WriteLine("GetDeclarations text: {0}", t);
}
return(new AphidDeclarations(this, t));
}
/// <include file='doc\LanguageService.uex' path='docs/doc[@for="ParseRequest.ParseRequest1"]/*' />
public ParseRequest(int line, int col, TokenInfo info, string src, string fname, ParseReason reason, IVsTextView view, AuthoringSink sink) {
this.Line = line;
this.Col = col;
this.FileName = fname;
this.Text = src;
this.Reason = reason;
this.View = view;
this.Sink = sink;
this.TokenInfo = info;
}
/// <include file='doc\LanguageService.uex' path='docs/doc[@for="AuthoringSink.AuthoringSink"]/*' />
public AuthoringSink(ParseReason reason, int line, int col, int maxErrors) {
this.reason = reason;
this.errors = new ArrayList();
this.line = line;
this.col = col;
this.Names = new StringCollection();
this.SourceLocations = new ArrayList();
this.MethodCalls = new MethodCalls();
this.Spans = new ArrayList();
this.Braces = new ArrayList();
this.hiddenRegions = new ArrayList();
this.errorCounts = new int[4];
this.maxErrors = maxErrors;
}
public override Declarations GetDeclarations(IVsTextView view, int line, int col, TokenInfo info, ParseReason reason)
{
System.Diagnostics.Debug.Print("GetDeclarations line({0}), col({1}), TokenInfo(type {2} at {3}-{4} triggers {5}), reason({6})",
line, col, info.Type, info.StartIndex, info.EndIndex, info.Trigger, reason);
IList <Declaration> declarations = module.GetAttributesAt(line + 1, info.StartIndex);
FoxProDeclarations FoxProDeclarations = new FoxProDeclarations(declarations, language);
//Show snippets according to current language context
if (IsContextRightForSnippets(line, info))
{
((FoxProLanguage)language).AddSnippets(ref FoxProDeclarations);
}
//Sort statement completion items in alphabetical order
FoxProDeclarations.Sort();
return(FoxProDeclarations);
}
public AdaSink(ParseReason reason, int line, int col, int maxErrors) : base(reason, line, col, maxErrors)
{
}
/// <summary>
///
/// </summary>
/// <param name="textView"></param>
/// <param name="info"></param>
/// <param name="reason"></param>
public override void Completion(IVsTextView textView, TokenInfo info, ParseReason reason)
{
base.Completion(textView, info, reason);
}
public override Declarations GetDeclarations(IVsTextView view, int line, int col, TokenInfo info, ParseReason reason)
{
// Declarations x = new Declarations();
Debug.WriteLine("GetDeclarations");
if (_targets != null)
{
CompletionNode[] nodes = _cdb.GetCandidateList(_targets, false);
if (nodes != null)
{
return(new SQDeclarations(nodes, _line, _start, _end));
}
}
return(new SQDeclarations(null, _line, _start, _end));
}
public ParseRequest(int line, int col, TokenInfo info, string text, string fname, ParseReason reason, IVsTextView view){
this.Line = line; this.Col = col;
this.FileName = fname;
this.Text = text; this.Reason = reason;
this.View = view;
this.Sink = new AuthoringSink(reason, line, col);
this.TokenInfo = info;
#if LookForMemoryLeaks
System.GC.Collect();
this.UsedMemoryAtStartOfRequest = System.GC.GetTotalMemory(true);
#endif
}
public override Declarations GetDeclarations(IVsTextView view, int line, int col, TokenInfo info, ParseReason reason)
{
// Check that the text view is not null.
if (null == view)
{
throw new ArgumentNullException("view");
}
// In order to get the correct text for this line we have to figure out if this line
// contains part of the read-only region of the buffer because this region is not
// supposed to be used (it is the output of the engine).
// Use the function exposed by the console window to get the text of the line
// without the part inside the read-only region.
string lineText = PythonConsole.TextOfLine(line, col, true);
if (null == lineText)
{
// there is no text to parse, so there is no delaration to return.
// Return an empty Declarations object.
return(new MethodDeclarations());
}
// Get the text buffer.
IVsTextLines buffer;
Microsoft.VisualStudio.ErrorHandler.ThrowOnFailure(
view.GetBuffer(out buffer));
// Get the scanner from the language service.
IScanner scanner = Language.GetScanner(buffer);
scanner.SetSource(lineText, 0);
// Now use the scanner to parse this line and build the list of the tokens.
List <TokenInfo> tokens = new List <TokenInfo>();
TokenInfo lastToken = null;
TokenInfo currentToken = new TokenInfo();
int state = 0;
while (scanner.ScanTokenAndProvideInfoAboutIt(currentToken, ref state))
{
if ((null != lastToken) && (currentToken.StartIndex > lastToken.EndIndex + 1))
{
tokens.Clear();
}
tokens.Add(currentToken);
lastToken = currentToken;
currentToken = new TokenInfo();
}
// Now that we have the tokens we can use them to find the text to pass to the
// IronPython engine to evaluate the expression.
if (0 == tokens.Count)
{
// If the list of tokens is empty, then return an emty set of declarations.
return(new MethodDeclarations());
}
// Check if the last token is the one that generated the parse request.
if (tokens[tokens.Count - 1].Trigger == TokenTriggers.None)
{
tokens.RemoveAt(tokens.Count - 1);
if (0 == tokens.Count)
{
return(new MethodDeclarations());
}
}
// Remove the token that generated the request
if (tokens[tokens.Count - 1].Trigger != TokenTriggers.None)
{
tokens.RemoveAt(tokens.Count - 1);
if (0 == tokens.Count)
{
return(new MethodDeclarations());
}
}
// Now build the string to pass to the engine.
int startIndex = tokens[0].StartIndex;
int len = tokens[tokens.Count - 1].EndIndex - startIndex + 1;
string engineCommand = string.Format(
System.Globalization.CultureInfo.InvariantCulture,
"dir({0})",
lineText.Substring(startIndex, len));
MethodDeclarations declarations = new MethodDeclarations();
try
{
IEnumerable members = Engine.Evaluate(engineCommand) as IEnumerable;
if (null != members)
{
foreach (string member in members)
{
declarations.AddMethod(member);
}
}
}
catch (Exception)
{
// Do nothing
}
return(declarations);
}
public AuthoringScope ParseSource(string text, int line, int col, string fname, AuthoringSink asink, ParseReason reason){
this.currentAst = null;
Compilation compilation = this.GetCompilationFor(fname);
Debug.Assert(compilation != null, "no compilation for: "+fname);
this.currentSymbolTable = compilation.TargetModule;
switch (reason){
case ParseReason.CollapsibleRegions:
case ParseReason.CompleteWord:
case ParseReason.MatchBraces:
case ParseReason.HighlightBraces:
case ParseReason.MemberSelect:
case ParseReason.MemberSelectExplicit:
case ParseReason.MethodTip:
case ParseReason.QuickInfo:
case ParseReason.Autos:{
return this.ParsePartialCompilationUnit(fname, text, line, col, asink, reason);
}
case ParseReason.Check:{
ErrorNodeList errors = new ErrorNodeList();
this.ParseAndAnalyzeCompilationUnit(fname, text, line, col, errors, compilation, asink);
this.ReportErrors(fname, errors, asink);
return this.GetAuthoringScope();
}
}
return null;
}
// ParseReason.CompleteWord
// ParseReason.DisplayMemberList
// ParseReason.MemberSelect
// ParseReason.MemberSelectAndHilightBraces
public override Microsoft.VisualStudio.Package.Declarations GetDeclarations(IVsTextView view, int line, int col, TokenInfo info, ParseReason reason)
{
return(new Declarations(new List <Declaration>()));
}
public virtual AuthoringScope ParsePartialCompilationUnit(string fname, string text, int line, int col, AuthoringSink asink, ParseReason reason){
Compilation compilation = this.GetCompilationFor(fname);
if (line >= 0 && (reason == ParseReason.MemberSelect || reason == ParseReason.MemberSelectExplicit || reason == ParseReason.CompleteWord))
text = this.Truncate(text, line, col);
Module savedSymbolTable = this.currentSymbolTable;
compilation.TargetModule = this.currentSymbolTable = new Module();
this.currentSymbolTable.AssemblyReferences = savedSymbolTable.AssemblyReferences;
CompilationUnit partialCompilationUnit = this.ParseCompilationUnit(fname, text, new ErrorNodeList(), compilation, asink);
compilation.TargetModule = this.currentSymbolTable = savedSymbolTable;
if (reason != ParseReason.HighlightBraces && reason != ParseReason.MatchBraces){
MemberFinder memberFinder = this.GetMemberFinder(line+1, col+1);
memberFinder.Visit(partialCompilationUnit);
Member unresolvedMember = memberFinder.Member;
memberFinder.Member = null;
CompilationUnit cu = this.GetCompilationUnitSnippet(compilation, fname);
if (cu != null){
if (unresolvedMember == null){
//Dealing with a construct that is not part of a type definition, such as a using statement
this.Resolve(partialCompilationUnit);
}else{
memberFinder.Visit(cu);
if (memberFinder.Member != null)
this.Resolve(unresolvedMember, memberFinder.Member);
else
this.Resolve(partialCompilationUnit); //Symbol table is out of date
}
}
}
return this.GetAuthoringScope();
}
public override Declarations GetDeclarations(IVsTextView view, int line, int col,
TokenInfo info, ParseReason reason)
{
// If the intellisense parse reason was called before the template could be parsed
if (_templateNode == null)
{
return(null);
}
AstNode astNode = _templateNode.GetNodeAt(line + 1, col + 1);
if (astNode == null)
{
Debug.Fail("Null AstNode when attempting to provide IntelliSense in NVelocityAuthoringScope.");
return(null);
}
NVelocityDeclarations declarations = new NVelocityDeclarations();
if (astNode is NVDesignator)
{
List <NVLocalNode> localNodes = _templateNode.GetLocalNodesFromScope(line, col);
localNodes.Sort(new Comparison <NVLocalNode>(
delegate(NVLocalNode x, NVLocalNode y)
{
return(x.Name.CompareTo(y.Name));
}));
foreach (NVLocalNode localNode in localNodes)
{
declarations.Add(new NVelocityDeclaration(localNode.Name, localNode, IntelliSenseIcon.Variable));
}
}
else if (astNode is NVSelector)
{
NVTypeNode typeNode = ((NVSelector)astNode).GetParentType();
if (typeNode is NVClassNode)
{
NVClassNode classNode = (NVClassNode)typeNode;
Dictionary <string, NVMethodNode> uniqueMethods = new Dictionary <string, NVMethodNode>();
foreach (NVMethodNode methodNode in classNode.Methods)
{
if (!uniqueMethods.ContainsKey(methodNode.Name))
{
uniqueMethods.Add(methodNode.Name, methodNode);
}
}
List <NVMethodNode> uniqueMethodsList = new List <NVMethodNode>();
foreach (KeyValuePair <string, NVMethodNode> pair in uniqueMethods)
{
uniqueMethodsList.Add(pair.Value);
}
uniqueMethodsList.Sort(new Comparison <NVMethodNode>(
delegate(NVMethodNode x, NVMethodNode y)
{
return(x.Name.CompareTo(y.Name));
}));
foreach (NVMethodNode methodNode in uniqueMethodsList)
{
declarations.Add(new NVelocityDeclaration(methodNode.Name, methodNode, IntelliSenseIcon.Method));
}
}
else
{
if (typeNode == null)
{
declarations.Add(new NVelocityDeclaration("Error: TypeNode is null", null, IntelliSenseIcon.Error));
}
else
{
declarations.Add(new NVelocityDeclaration("Error: Unsupported type for NVSelector " + typeNode.GetType().Name,
null, IntelliSenseIcon.Error));
}
}
}
else if (astNode is NVDirective)
{
NVDirective nvDirective = (NVDirective)astNode;
if ((col + 1) - astNode.Position.StartPos == 1)
{
// TODO: change the if expression so that it checks if the col is between the # and (
// because you can bring up the intellisense list in the middle of the identifier
// and it should display the list of the directives instead of the view components.
List <string> directivesList = new List <string>();
directivesList.AddRange(new string[]
{
"if", "elseif", "else", "end", "foreach", "set", "stop", "component",
"blockcomponent", "literal", "macro"
});
directivesList.Sort();
foreach (string directive in directivesList)
{
declarations.Add(new NVelocityDeclaration(directive, null, IntelliSenseIcon.Macro));
}
}
else if (nvDirective.Name == "component" || nvDirective.Name == "blockcomponent")
{
List <NVClassNode> viewComponents = _templateNode.GetViewComponentsFromScope();
viewComponents.Sort(new Comparison <NVClassNode>(
delegate(NVClassNode x, NVClassNode y)
{
return(x.Name.CompareTo(y.Name));
}));
foreach (NVClassNode classNode in viewComponents)
{
declarations.Add(new NVelocityDeclaration(classNode.Name, classNode, IntelliSenseIcon.Class));
}
}
}
else if (astNode is XmlElement)
{
string xhtmlSchemaFileName = GetXhtmlSchemaFileName();
if (string.IsNullOrEmpty(xhtmlSchemaFileName))
{
Debug.Fail("Could not find XHTML schema.");
return(declarations);
}
XhtmlSchemaProvider xhtmlSchemaProvider = new XhtmlSchemaProvider(xhtmlSchemaFileName);
XmlElement xmlElement = (XmlElement)astNode;
if (string.IsNullOrEmpty(xmlElement.Name))
{
if (xmlElement.Parent != null)
{
if (!xmlElement.Parent.IsSelfClosing && !xmlElement.IsComplete && !xmlElement.Parent.IsComplete)
{
declarations.Add(new NVelocityDeclaration(string.Format("/{0}>", xmlElement.Parent.Name),
null, IntelliSenseIcon.XmlElement));
}
}
foreach (string xhtmlElement in xhtmlSchemaProvider.GetElements())
{
declarations.Add(new NVelocityDeclaration(xhtmlElement, null, IntelliSenseIcon.XmlElement));
}
}
else
{
// Retrieve attributes
List <string> xhtmlAttributes = xhtmlSchemaProvider.GetAttributes(xmlElement.Name);
// Remove attributes that are already used
foreach (AstNode attribute in xmlElement.Attributes)
{
if (attribute is XmlAttribute)
{
XmlAttribute xmlAttribute = (XmlAttribute)attribute;
if (xhtmlAttributes.Contains(xmlAttribute.Name))
{
xhtmlAttributes.Remove(xmlAttribute.Name);
}
}
}
// Add the declarations for the attributes to show
foreach (string xhtmlAttribute in xhtmlAttributes)
{
declarations.Add(new NVelocityDeclaration(xhtmlAttribute, null, IntelliSenseIcon.XmlAttribute));
}
}
}
else
{
declarations.Add(new NVelocityDeclaration("Error: Context unknown, type is " + astNode.GetType().Name,
null, IntelliSenseIcon.Error));
}
return(declarations);
}
/// <summary>
/// Called for completions.
/// </summary>
public virtual Declarations GetDeclarations(int line, int col, ParseReason reason){
Scope scope;
Node node;
MemberList members = this.GetMembers(line, col, reason, out node, out scope);
if (members == null) members = new MemberList(); // return empty list then.
return new Declarations(members, this.helper, node, scope);
}
public override Declarations GetDeclarations
(IVsTextView view, int line, int col, TokenInfo info, ParseReason reason)
=> _data.GetDeclarations(view, line, col, info, reason);
// MemberSelectExplicit =>
// if node != null then show rele vent stuff only
// else show default list
// MemberSelect =>
// if node != null then show relevent stuff only
// dont show anything
public virtual MemberList GetMembers(int line, int col, ParseReason reason, out Node node, out Scope scope){
int identContext;
this.languageService.SearchForNodeAtPosition(line + 1, col + 1, out node, out scope, out identContext);
if (identContext == IdentifierContexts.NullContext) return null;
bool doingCompletion = reason == ParseReason.MemberSelect || reason == ParseReason.MemberSelectExplicit || reason == ParseReason.CompleteWord;
MemberList retList = null;
QualifiedIdentifier qi = node as QualifiedIdentifier;
if (qi != null && qi.Identifier.UniqueIdKey == StandardIds.Ctor.UniqueIdKey && (qi.Qualifier is This || qi.Qualifier is Base) && reason == ParseReason.CompleteWord) {
node = null;
retList = this.GetMembers(line, col, node, scope);
} else if ((node as Scope) == scope && scope != null) {
retList = this.languageService.GetTypesNamespacesAndPrefixes(scope, false, false);
} else if (node is AttributeNode) {
retList = this.GetMembers(line, col, (AttributeNode)node, scope);
} else if (node is ClassExpression) {
retList = this.GetMembers(line, col, (ClassExpression)node, scope);
} else if (node is InterfaceExpression) {
InterfaceExpression ie = (InterfaceExpression)node;
if (ie.Expression != null && ie.Expression is QualifiedIdentifier)
retList = this.GetMembers(line, col, ie.Expression as QualifiedIdentifier, scope);
else
retList = this.GetMembers(line, col, (InterfaceExpression)node, scope);
} else if (node is Construct) {
retList = this.GetMembers(line, col, (Construct)node, scope, doingCompletion);
} else if (node is UsedNamespace && (node.SourceContext.StartLine == line + 1)) {
retList = this.languageService.GetNestedNamespaces(((UsedNamespace)node).Namespace, scope);
} else if (node is AliasDefinition) {
retList = this.GetMembers(line, col, (AliasDefinition)node, scope);
} else if (node is Namespace) {
Namespace ns = (Namespace)node;
string name = ns.FullName;
if (name != null && (name.Equals("global:") || name.Length == 0)) {
Scope iterScope = scope;
while (iterScope != null && iterScope.OuterScope != null)
iterScope = iterScope.OuterScope;
retList = this.languageService.GetNestedNamespacesAndTypes(Identifier.Empty, iterScope);
goto returnList;
}
if (doingCompletion)
retList = this.FillWithDefaultList(line, col, node, scope);
else
retList = this.GetMembers(line, col, ns, scope);
} else if (node is QualifiedIdentifier) {
retList = this.GetMembers(line, col, qi, scope);
} else if (node is TemplateInstance) {
retList = this.GetMembers(line, col, (TemplateInstance)node, scope);
} else if (node is TypeExpression) {
retList = this.GetMembers(line, col, (TypeExpression)node, scope);
} else if (node is NameBinding) {
retList = this.GetMembers(line, col, (NameBinding)node, scope, doingCompletion);
} else if (node is Event || node is Method || node is Property) {
retList = this.GetMembers(line, col, (Member)node, scope, doingCompletion);
} else if (node is This) {
retList = this.GetMembers(line, col, (This)node, scope, doingCompletion);
} else if (node is Base) {
retList = this.GetMembers(line, col, (Base)node, scope, doingCompletion);
} else if (node is Identifier || node is Class || node is Interface) {
retList = this.FillWithDefaultList(line, col, node, scope);
}
if (node == null && (reason == ParseReason.CompleteWord || reason == ParseReason.MemberSelectExplicit)) {
retList = this.FillWithDefaultList(line, col, node, scope);
} else if (reason == ParseReason.MethodTip) {
Class cl = node as Class;
if (cl != null && cl.IsAssignableTo(SystemTypes.Attribute)) {
this.suppressAttributeSuffix = true;
retList = new MemberList();
MemberList memList = cl.GetConstructors();
bool showInternal = this.MayAccessInternals(this.languageService.currentSymbolTable, cl);
if (memList != null) {
int n = memList.Count;
for (int i = 0; i < n; ++i) {
Member mem = memList[i];
if (mem == null) continue;
if (mem.IsCompilerControlled) continue;
if (mem.IsPrivate) continue;
if (mem.IsFamily || mem.IsFamilyAndAssembly) continue;
if ((mem.IsAssembly || mem.IsFamilyOrAssembly) && !showInternal) continue;
retList.Add(mem);
}
}
}
}
if (retList != null && reason != ParseReason.MethodTip) {
retList = this.FilterByContext(retList, identContext);
this.languageService.AddReleventKeywords(retList, node, scope, identContext);
}
returnList:
return retList;
}
/// <include file='doc\LanguageService.uex' path='docs/doc[@for="AuthoringScope.GetDeclarations"]/*' /> //REVIEW: why pass in the view and the info? public abstract Declarations GetDeclarations(IVsTextView view, int line, int col, TokenInfo info, ParseReason reason);
// ParseReason.CompleteWord
// ParseReason.DisplayMemberList
// ParseReason.MemberSelect
// ParseReason.MemberSelectAndHilightBraces
public override Declarations GetDeclarations(IVsTextView view, int line, int col, TokenInfo info, ParseReason reason)
{
string tokenText;
var hr = view.GetTextStream(line, info.StartIndex, line, col, out tokenText);
IList <Declaration> declarations;
switch (reason)
{
case ParseReason.CompleteWord:
declarations = resolver.FindCompletions(tokenText, line, col);
break;
case ParseReason.DisplayMemberList:
case ParseReason.MemberSelect:
case ParseReason.MemberSelectAndHighlightBraces:
declarations = resolver.FindMembers(parseResult, line, col);
break;
default:
throw new ArgumentException("reason");
}
return(new PuppetDeclarations(declarations));
}
/// <include file='doc\LanguageService.uex' path='docs/doc[@for="LanguageService.CreateParseRequest"]/*' />
public virtual ParseRequest CreateParseRequest(Source s, int line, int idx, TokenInfo info, string sourceText, string fname, ParseReason reason, IVsTextView view) {
this.isParsing = false; // yes, "false". It get's set to true in the actual background thread.
return new ParseRequest(line, idx, info, sourceText, fname, reason, view, s.CreateAuthoringSink(reason, line, idx));
}
public Declarations GetDeclarations
(IVsTextView view, int line, int col, TokenInfo info, ParseReason reason)
{
NotImplementedMethod("view", line, col, info, reason);
return null;
}
public override Declarations GetDeclarations(Microsoft.VisualStudio.TextManager.Interop.IVsTextView view, int line, int col, TokenInfo info, ParseReason reason)
{
return(new AphidDeclarations());
}
/// <summary>
/// Returns a list of declarations based on the specified reason for parsing.
/// </summary>
/// <param name="view">[in] An <see cref="T:Microsoft.VisualStudio.TextManager.Interop.IVsTextView"></see> object that can be used to access the source.</param>
/// <param name="line">[in] The line number where the parse operation started.</param>
/// <param name="col">[in] The offset into the line where the parse operation started.</param>
/// <param name="info">[in] A <see cref="T:Microsoft.VisualStudio.Package.TokenInfo"></see> structure containing information about the token at the specified position.</param>
/// <param name="reason">[in] The <see cref="T:Microsoft.VisualStudio.Package.ParseReason"></see> value describing what kind of parse operation was completed.</param>
/// <returns>
/// If successful returns a <see cref="T:Microsoft.VisualStudio.Package.Declarations"></see> object; otherwise, returns a null value.
/// </returns>
public override Declarations GetDeclarations(IVsTextView view, int line, int col, TokenInfo info, ParseReason reason)
{
TokenTriggers triggers = info.Trigger;
if (0 != (triggers & OpenParenthesisTokenTrigger))
{
return(new FactEditorReferenceModeDeclarations(m_LanguageService));
}
return(new FactEditorObjectTypeDeclarations(m_LanguageService));
}
public override Declarations GetDeclarations(Microsoft.VisualStudio.TextManager.Interop.IVsTextView view, int line, int col, TokenInfo info, ParseReason reason)
{
throw new NotImplementedException();
}
// ParseReason.CompleteWord
// ParseReason.DisplayMemberList
// ParseReason.MemberSelect
// ParseReason.MemberSelectAndHilightBraces
public override Declarations GetDeclarations(IVsTextView view, int line, int col, TokenInfo info, ParseReason reason)
{
//IList<Declaration> declarations;
//switch (reason) {
// case ParseReason.CompleteWord:
// declarations = resolver.FindCompletions(parseResult, line, col);
// break;
// case ParseReason.DisplayMemberList:
// case ParseReason.MemberSelect:
// case ParseReason.MemberSelectAndHighlightBraces:
// declarations = resolver.FindMembers(parseResult, line, col);
// break;
// default:
// throw new ArgumentException("reason");
//}
//return new Declarations(declarations);
return(null);
}
public override Declarations GetDeclarations(IVsTextView view, int lineNum, int col, TokenInfo info, ParseReason reason)
{
return declarations.Find(lineNum, col, reason);
}
public override Declarations GetDeclarations(Microsoft.VisualStudio.TextManager.Interop.IVsTextView view, int line, int col, TokenInfo info, ParseReason reason)
{
return new AphidDeclarations();
}
internal void BeginParse( int line, int idx, TokenInfo info, ParseReason reason, IVsTextView view, ParseResultHandler callback) {
string text = null;
if (reason == ParseReason.MemberSelect || reason == ParseReason.MethodTip)
text = this.GetTextUpToLine( line );
else if (reason == ParseReason.CompleteWord || reason == ParseReason.QuickInfo)
text = this.GetTextUpToLine( line+1 );
else
text = this.GetTextUpToLine( 0 ); // get all the text.
string fname = this.GetFilePath();
this.service.BeginParse(new ParseRequest(line, idx, info, text, fname, reason, view), callback);
}
/// <summary>
/// Gets the declarations.
/// </summary>
/// <param name="view">The view.</param>
/// <param name="line">The line.</param>
/// <param name="col">The col.</param>
/// <param name="info">The info.</param>
/// <param name="reason">The reason.</param>
/// <returns></returns>
public override Declarations GetDeclarations(IVsTextView view, int line, int col, TokenInfo info, ParseReason reason)
{
if (reason == ParseReason.CompleteWord)
{
// Get the declarations from all providers for the scope, Order by Name and project the declarations into Babel.Declarations
Declaration[] declarations = declarationProviders.SelectMany(provider => provider.GetCompleteWordDeclarations())
.OrderBy(declaration => declaration.Name).Distinct()
.ToArray();
return(new LuaDeclarations(languageService, declarations));
}
if (reason == ParseReason.MemberSelect ||
reason == ParseReason.MemberSelectAndHighlightBraces)
{
// Get the declarations from all providers for the scope, Order by Name and project the declarations into Babel.Declarations
Declaration[] declarations = declarationProviders.SelectMany(provider => provider.GetMemberSelectDeclarations(qualifiedName))
.OrderBy(declaration => declaration.Name).Distinct(new DeclarationEqualityComparer())
.ToArray();
return(new LuaDeclarations(languageService, declarations));
}
return(new LuaDeclarations(languageService, new Declaration[0]));
}
// ParseReason.CompleteWord
// ParseReason.DisplayMemberList
// ParseReason.MemberSelect
// ParseReason.MemberSelectAndHilightBraces
/*
* Visual Studio calls this function to get possible declarations and completions
*/
public override Microsoft.VisualStudio.Package.Declarations GetDeclarations(IVsTextView view, int line, int col, TokenInfo info, ParseReason reason)
{
string currentCommand;
string startChar;
//int hResult = view.GetTextStream(line, info.StartIndex, line, info.EndIndex, out currentCommand);
//int hResult = view.GetTextStream(line, info.StartIndex, line, col, out currentCommand);
TextSpan[] ts = new TextSpan[1];
ts[0] = new TextSpan();
view.GetWordExtent(line, info.StartIndex, (uint)(WORDEXTFLAGS.WORDEXT_FINDTOKEN), ts);
int hResult = view.GetTextStream(line, ts[0].iStartIndex, line, ts[0].iEndIndex, out currentCommand);
if (ts[0].iStartIndex > 0)
{
view.GetTextStream(line, ts[0].iStartIndex - 1, line, ts[0].iStartIndex, out startChar);
if (startChar.Equals("#"))
currentCommand = startChar;
}
((HLSLResolver)resolver)._source = (HLSLSource)_source;
if (_source.IsCompletorActive)
return _source.CompletionSet.Declarations;
IList<HLSLDeclaration> declarations;
switch (reason)
{
case ParseReason.CompleteWord:
declarations = resolver.FindCompletions(currentCommand, line, col);
break;
case ParseReason.DisplayMemberList:
case ParseReason.MemberSelect:
case ParseReason.MemberSelectAndHighlightBraces:
if(currentCommand.Equals("."))
declarations = resolver.FindMembers(parseResult, line, col);
else
declarations = resolver.FindCompletions(currentCommand, line, col);
break;
default:
throw new ArgumentException("reason");
}
return new HLSLDeclarations(declarations);
}
public virtual ParseRequest CreateParseRequest(Source s, int line, int idx, TokenInfo info, string sourceText, string fname, ParseReason reason, IVsTextView view);
public override Declarations GetDeclarations(IVsTextView view, int line, int col, TokenInfo info, ParseReason reason)
{
// Check that the text view is not null.
if (null == view)
{
throw new ArgumentNullException("view");
}
// In order to get the correct text for this line we have to figure out if this line
// contains part of the read-only region of the buffer because this region is not
// supposed to be used (it is the output of the engine).
// Use the function exposed by the console window to get the text of the line
// without the part inside the read-only region.
string lineText = PythonConsole.TextOfLine(line, col, true);
if (null == lineText)
{
// there is no text to parse, so there is no delaration to return.
// Return an empty Declarations object.
return new MethodDeclarations();
}
// Get the text buffer.
IVsTextLines buffer;
Microsoft.VisualStudio.ErrorHandler.ThrowOnFailure(
view.GetBuffer(out buffer));
// Get the scanner from the language service.
IScanner scanner = Language.GetScanner(buffer);
scanner.SetSource(lineText, 0);
// Now use the scanner to parse this line and build the list of the tokens.
List<TokenInfo> tokens = new List<TokenInfo>();
TokenInfo lastToken = null;
TokenInfo currentToken = new TokenInfo();
int state = 0;
while (scanner.ScanTokenAndProvideInfoAboutIt(currentToken, ref state))
{
if ((null != lastToken) && (currentToken.StartIndex > lastToken.EndIndex + 1))
{
tokens.Clear();
}
tokens.Add(currentToken);
lastToken = currentToken;
currentToken = new TokenInfo();
}
// Now that we have the tokens we can use them to find the text to pass to the
// IronPython engine to evaluate the expression.
if (0 == tokens.Count)
{
// If the list of tokens is empty, then return an emty set of declarations.
return new MethodDeclarations();
}
// Check if the last token is the one that generated the parse request.
if (tokens[tokens.Count - 1].Trigger == TokenTriggers.None)
{
tokens.RemoveAt(tokens.Count - 1);
if (0 == tokens.Count)
{
return new MethodDeclarations();
}
}
// Remove the token that generated the request
if (tokens[tokens.Count - 1].Trigger != TokenTriggers.None)
{
tokens.RemoveAt(tokens.Count - 1);
if (0 == tokens.Count)
{
return new MethodDeclarations();
}
}
// Now build the string to pass to the engine.
int startIndex = tokens[0].StartIndex;
int len = tokens[tokens.Count - 1].EndIndex - startIndex + 1;
string engineCommand = string.Format(
System.Globalization.CultureInfo.InvariantCulture,
"dir({0})",
lineText.Substring(startIndex, len));
MethodDeclarations declarations = new MethodDeclarations();
try
{
IEnumerable members = Engine.Evaluate(engineCommand) as IEnumerable;
if (null != members)
{
foreach (string member in members)
{
declarations.AddMethod(member);
}
}
}
catch (Exception)
{
// Do nothing
}
return declarations;
}
public override Declarations GetDeclarations(IVsTextView view, int line, int col, TokenInfo info, ParseReason reason)
{
if (source == null)
{
return(null);
}
return(source.GetDeclarations(line, col, info, reason));
}
// ParseReason.CompleteWord
// ParseReason.DisplayMemberList
// ParseReason.MemberSelect
// ParseReason.MemberSelectAndHilightBraces
public override Microsoft.VisualStudio.Package.Declarations GetDeclarations(IVsTextView view, int line, int col, TokenInfo info, ParseReason reason)
{
IList <Declaration> declarations;
switch (reason)
{
case ParseReason.CompleteWord:
declarations = resolver.FindCompletions(parseResult, line, col);
break;
case ParseReason.DisplayMemberList:
case ParseReason.MemberSelect:
case ParseReason.MemberSelectAndHighlightBraces:
declarations = resolver.FindMembers(parseResult, line, col);
break;
default:
throw new ArgumentException("reason");
}
return(new Declarations(declarations));
}
public virtual ParseRequest CreateParseRequest(Source s, int line, int idx, TokenInfo info, string sourceText, string fname, ParseReason reason, IVsTextView view);