public override IScanner GetScanner(IVsTextLines buffer)
{
// Since Visual Studio handles language service associations by file
// extension, CMakeLanguageService must handle all *.txt files in order to
// handle CMakeLists.txt. Detect if the buffer represents an ordinary text
// files. If so, disable syntax highlighting. This is a kludge, but it's
// the best that can be done here.
string path = FilePathUtilities.GetFilePath(buffer);
return(new CMakeScanner(!CMakeSource.IsCMakeFile(path)));
}
protected override int QueryCommandStatus(ref Guid guidCmdGroup, uint nCmdId)
{
if (guidCmdGroup == VSConstants.VSStd2K &&
CMakeSource.IsCMakeFile(Source.GetFilePath()))
{
if (nCmdId == (uint)VSConstants.VSStd2KCmdID.INSERTSNIPPET)
{
// Show and enable the Insert Snippet command.
return((int)(OLECMDF.OLECMDF_SUPPORTED | OLECMDF.OLECMDF_ENABLED));
}
else if (nCmdId == (uint)VSConstants.VSStd2KCmdID.OPENFILE)
{
// Show and enable the Open File command if the current token is a
// file name.
string extraSearchPath;
if (GetCurrentTokenFileName(out extraSearchPath) != null)
{
return((int)(OLECMDF.OLECMDF_SUPPORTED |
OLECMDF.OLECMDF_ENABLED));
}
}
}
else if (guidCmdGroup == VSConstants.GUID_VSStandardCommandSet97 &&
!CMakeSource.IsCMakeFile(Source.GetFilePath()))
{
// Visual Studio does not show these commands for ordinary text files.
// All text files get associated with the CMake language service in order
// to facilitate handling CMakeLists.txt. When the current file is an
// ordinary text file, hide these commands to match what Visual Studio
// would otherwise do.
if (nCmdId == (uint)VSConstants.VSStd97CmdID.GotoDecl ||
nCmdId == (uint)VSConstants.VSStd97CmdID.GotoDefn ||
nCmdId == (uint)VSConstants.VSStd97CmdID.GotoRef)
{
return((int)(OLECMDF.OLECMDF_SUPPORTED | OLECMDF.OLECMDF_INVISIBLE));
}
}
return(base.QueryCommandStatus(ref guidCmdGroup, nCmdId));
}
public override AuthoringScope ParseSource(ParseRequest req)
{
CMakeAuthoringScope scope = new CMakeAuthoringScope();
if (!CMakeSource.IsCMakeFile(req.FileName))
{
// Don't do IntelliSense parsing for ordinary text files.
return(scope);
}
CMakeSource source = (CMakeSource)GetSource(req.FileName);
if (req.Sink.HiddenRegions)
{
req.Sink.ProcessHiddenRegions = true;
List <TextSpan> regions = CMakeParsing.ParseForFunctionBodies(
source.GetLines());
foreach (TextSpan textSpan in regions)
{
req.Sink.AddHiddenRegion(textSpan);
}
}
if (req.Sink.BraceMatching)
{
List <CMakeParsing.SpanPair> pairs = null;
switch ((CMakeToken)req.TokenInfo.Token)
{
case CMakeToken.OpenParen:
case CMakeToken.CloseParen:
pairs = CMakeParsing.ParseForParens(source.GetLines());
break;
case CMakeToken.VariableStart:
case CMakeToken.VariableStartEnv:
case CMakeToken.VariableStartCache:
case CMakeToken.VariableStartSetEnv:
case CMakeToken.VariableEnd:
pairs = CMakeParsing.ParseForVariableBraces(source.GetLines(),
req.Line);
break;
case CMakeToken.GeneratorStart:
case CMakeToken.GeneratorEnd:
pairs = CMakeParsing.ParseForGeneratorBraces(source.GetLines(),
req.Line);
break;
}
if (pairs != null)
{
foreach (CMakeParsing.SpanPair pair in pairs)
{
req.Sink.MatchPair(pair.First, pair.Second, 0);
}
}
}
if (req.Reason == ParseReason.MemberSelect ||
req.Reason == ParseReason.MemberSelectAndHighlightBraces ||
req.Reason == ParseReason.CompleteWord)
{
// Set an appropriate declarations object depending on the token that
// triggered member selection.
CMakeToken token = (CMakeToken)req.TokenInfo.Token;
if (token == CMakeToken.String)
{
// If the token is a string and the user has began to reference a
// variable inside the string, treat the string as if it was the
// appropriate type of variable start token and display member
// selection for variables.
string line = source.GetLine(req.Line);
string tokenText = line.ExtractToken(req.TokenInfo);
if (tokenText.EndsWith("${"))
{
token = CMakeToken.VariableStart;
}
else if (tokenText.EndsWith("$ENV{"))
{
token = CMakeToken.VariableStartEnv;
}
else if (tokenText.EndsWith("$CACHE{"))
{
token = CMakeToken.VariableStartCache;
}
}
if (token == CMakeToken.VariableStart)
{
List <string> vars = CMakeParsing.ParseForVariables(
source.GetLines(), req.Line);
CMakeVariableDeclarations decls = new CMakeVariableDeclarations(vars,
CMakeVariableType.Variable);
decls.AddItems(source.GetIncludeCacheVariables(),
CMakeItemDeclarations.ItemType.Variable);
string functionName = CMakeParsing.ParseForCurrentFunction(
source.GetLines(), req.Line);
if (functionName != null)
{
List <string> paramNames = CMakeParsing.ParseForParameterNames(
source.GetLines(), functionName);
paramNames.Add("ARGN");
decls.AddItems(paramNames,
CMakeItemDeclarations.ItemType.Variable);
}
scope.SetDeclarations(decls);
}
else if (token == CMakeToken.VariableStartEnv)
{
List <string> vars = CMakeParsing.ParseForEnvVariables(
source.GetLines());
CMakeVariableDeclarations decls = new CMakeVariableDeclarations(vars,
CMakeVariableType.EnvVariable);
decls.AddItems(source.GetIncludeCacheEnvVariables(),
CMakeItemDeclarations.ItemType.Variable);
scope.SetDeclarations(decls);
}
else if (token == CMakeToken.VariableStartCache)
{
List <string> vars = CMakeParsing.ParseForCacheVariables(
source.GetLines());
CMakeVariableDeclarations decls = new CMakeVariableDeclarations(vars,
CMakeVariableType.CacheVariable);
decls.AddItems(source.GetIncludeCacheCacheVariables(),
CMakeItemDeclarations.ItemType.Variable);
scope.SetDeclarations(decls);
}
else if (token == CMakeToken.Identifier)
{
CMakeParsing.TokenData tokenData;
CMakeParsing.ParseForToken(source.GetLines(), req.Line,
req.TokenInfo.StartIndex, out tokenData);
if (!tokenData.InParens)
{
CMakeItemDeclarations decls = new CMakeItemDeclarations();
IEnumerable <string> commands = CMakeKeywords.GetAllCommands(
CMakePackage.Instance.CMakeOptionPage.ShowDeprecated);
if (!CMakePackage.Instance.CMakeOptionPage.CommandsLower)
{
commands = commands.Select(x => x.ToUpper());
}
decls.AddItems(commands, CMakeItemDeclarations.ItemType.Command);
decls.AddItems(
CMakeParsing.ParseForFunctionNames(source.GetLines(), false),
CMakeItemDeclarations.ItemType.Function);
decls.AddItems(
CMakeParsing.ParseForFunctionNames(source.GetLines(), true),
CMakeItemDeclarations.ItemType.Macro);
decls.AddItems(source.GetIncludeCacheFunctions(),
CMakeItemDeclarations.ItemType.Function);
decls.AddItems(source.GetIncludeCacheMacros(),
CMakeItemDeclarations.ItemType.Macro);
scope.SetDeclarations(decls);
}
else
{
Declarations decls = CMakeDeclarationsFactory.CreateDeclarations(
tokenData.Command, req, source,
tokenData.ParameterIndex > 0 ? tokenData.PriorParameters : null);
scope.SetDeclarations(decls);
}
}
else if (token == CMakeToken.OpenParen)
{
CMakeCommandId id = CMakeParsing.ParseForTriggerCommandId(
source.GetLines(), req.Line, req.TokenInfo.StartIndex);
Declarations decls = CMakeDeclarationsFactory.CreateDeclarations(
id, req, source);
scope.SetDeclarations(decls);
}
else if (token == CMakeToken.WhiteSpace)
{
CMakeParsing.TokenData tokenData;
CMakeParsing.ParseForToken(source.GetLines(), req.Line,
req.TokenInfo.StartIndex, out tokenData);
Declarations decls = CMakeDeclarationsFactory.CreateDeclarations(
tokenData.Command, req, source,
tokenData.ParameterIndex > 0 ? tokenData.PriorParameters : null);
scope.SetDeclarations(decls);
}
else if (token == CMakeToken.GeneratorStart)
{
scope.SetDeclarations(new CMakeGeneratorDeclarations());
}
}
else if (req.Reason == ParseReason.MethodTip)
{
CMakeParsing.ParameterInfoResult result =
CMakeParsing.ParseForParameterInfo(source.GetLines(), req.Line,
req.TokenInfo.EndIndex);
if (result.CommandName != null && result.CommandSpan.HasValue)
{
if (result.SubcommandName == null)
{
req.Sink.StartName(result.CommandSpan.Value, result.CommandName);
}
else
{
req.Sink.StartName(result.CommandSpan.Value,
result.CommandSpan + "(" + result.SubcommandName);
}
if (result.BeginSpan.HasValue)
{
req.Sink.StartParameters(result.BeginSpan.Value);
}
foreach (TextSpan span in result.SeparatorSpans)
{
req.Sink.NextParameter(span);
}
if (result.EndSpan.HasValue)
{
req.Sink.EndParameters(result.EndSpan.Value);
}
CMakeCommandId id = CMakeKeywords.GetCommandId(result.CommandName);
if (id == CMakeCommandId.Unspecified)
{
// If it's a user-defined function or macro, parse to try to find
// its parameters.
List <string> parameters = CMakeParsing.ParseForParameterNames(
source.GetLines(), result.CommandName);
if (parameters == null)
{
parameters = source.GetParametersFromIncludeCache(
result.CommandName);
}
if (parameters != null)
{
scope.SetMethods(new CMakeUserMethods(result.CommandName,
parameters));
}
}
else
{
scope.SetMethods(CMakeMethods.GetCommandParameters(id,
result.SubcommandName));
}
}
}
else if (req.Reason == ParseReason.Goto)
{
scope.SetLines(source.GetLines());
scope.SetFileName(req.FileName);
}
else if (req.Reason == ParseReason.QuickInfo)
{
scope.SetLines(source.GetLines());
}
else if (req.Reason == ParseReason.Check)
{
foreach (ParseForErrorMethod method in _parseForErrorMethods)
{
List <CMakeErrorInfo> info = method(source.GetLines());
foreach (CMakeErrorInfo item in info)
{
CMakeError err = item.ErrorCode;
if (_errorStrings.ContainsKey(err) &&
(!_enabledMethods.ContainsKey(err) || _enabledMethods[err]()))
{
req.Sink.AddError(req.FileName, _errorStrings[err], item.Span,
item.Warning ? Severity.Warning : Severity.Error);
}
}
}
if (CMakePackage.Instance.CMakeOptionPage.ParseIncludedFiles)
{
source.BuildIncludeCache(source.GetLines());
source.UpdateIncludeCache();
source.PruneIncludeCache();
}
else
{
source.ClearIncludeCache();
}
}
return(scope);
}