private static string GetMessageAndLocation(string rootContent, CXDiagnostic diagnostic, out CppSourceLocation location)
{
var builder = new StringBuilder();
builder.Append(diagnostic.ToString());
location = CppModelBuilder.GetSourceLocation(diagnostic.Location);
if (location.File == CppAstRootFileName)
{
var reader = new StringReader(rootContent);
var lines = new List <string>();
string line;
while ((line = reader.ReadLine()) != null)
{
lines.Add(line);
}
var lineIndex = location.Line - 1;
if (lineIndex < lines.Count)
{
builder.AppendLine();
builder.AppendLine(lines[lineIndex]);
for (int i = 0; i < location.Column - 1; i++)
{
builder.Append(i + 1 == location.Column - 1 ? "-" : " ");
}
builder.AppendLine("^-");
}
}
return(builder.ToString());
}
private bool DealingWithDiagnostic(CXDiagnostic d)
{
// error spelling
string spelling = clang.getDiagnosticSpelling(d).ToString();
// category text
string categoryText = clang.getDiagnosticCategoryText(d).ToString();
// severity text
CXDiagnosticSeverity severity = clang.getDiagnosticSeverity(d);
string severityStr = ClangTraits.ToString(severity);
// source location
CXSourceLocation location = clang.getDiagnosticLocation(d);
CXFile file = new CXFile(IntPtr.Zero);
clang.getInstantiationLocation(
location,
out file,
out uint line,
out uint column,
out uint offset);
string fileName = clang.getFileName(file).ToString();
clang.disposeDiagnostic(d);
string errorString = string.Format("{0}: {1}-{2}, IN {3}, line: {4}, column: {5}",
severityStr, spelling, categoryText, fileName, line, column);
return(ClangTraits.IsFatal(severity));
}
/// <summary>
/// Reparse the Translation Unit contained by this instance.
/// Updates Symbol Database
/// Places error markers on document
/// </summary>
public void ParseAndDiagnose(CancellationToken cancellationToken)
{
lock (Manager.SyncRoot) {
var unsavedFilesArray = unsavedFiles.ToArray();
TU = Manager.Reparse(FileName, unsavedFilesArray, cancellationToken);
uint numDiag = clang.getNumDiagnostics(TU);
for (uint i = 0; i < numDiag; i++)
{
CXDiagnostic diag = clang.getDiagnostic(TU, i);
string spelling = diag.ToString();
uint numRanges = clang.getDiagnosticNumRanges(diag);
if (numRanges != 0)
{
for (uint j = 0; j < numRanges; j++)
{
try {
SourceLocation begin = Manager.GetSourceLocation(clang.getRangeStart(clang.getDiagnosticRange(diag, j)));
SourceLocation end = Manager.GetSourceLocation(clang.getRangeEnd(clang.getDiagnosticRange(diag, j)));
Add(new Error(ErrorType.Error, spelling, new DocumentRegion(begin.Line, begin.Column, end.Line, end.Column)));
} catch {
//it seems sometimes "expression result unused" diagnostics appear multiple times
//for the same problem, when there is only e.g.
//an '1;' line in the code, and not every indicator has a valid filename in their location
//this crashes the thread, so we ignore it
}
}
}
else
{
try {
SourceLocation loc = Manager.GetSourceLocation(clang.getDiagnosticLocation(diag));
Add(new Error(ErrorType.Error, spelling, new DocumentRegion(loc.Line, loc.Column, loc.Line, loc.Column + 1)));
} catch {
//same goes here
}
}
clang.disposeDiagnostic(diag);
}
Manager.UpdateDatabase(FileName, TU, cancellationToken, true);
}
}
internal static extern CXString clang_formatDiagnostic(CXDiagnostic diagnostic, uint options);
internal unsafe static extern CXString clang_getDiagnosticFixIt(CXDiagnostic diagnostic, uint fixIt, CXSourceRange* replacementRange);
internal static extern CXSourceRange clang_getDiagnosticRange(CXDiagnostic diagnostic, uint rangeIdx);
internal static extern CXString clang_getDiagnosticCategoryText(CXDiagnostic diagnostic);
internal unsafe static extern CXString clang_getDiagnosticOption(CXDiagnostic diagnostic, CXString* disable);
internal static extern uint clang_getDiagnosticNumRanges(CXDiagnostic diagnostic);
internal static extern CXString clang_getDiagnosticCategoryText(CXDiagnostic diagnostic);
internal static extern uint clang_getDiagnosticCategory(CXDiagnostic diagnostic);
internal static extern CXString clang_getDiagnosticOption(CXDiagnostic diagnostic, out CXString disable);
internal static extern CXString clang_getDiagnosticSpelling(CXDiagnostic diagnostic);
internal static extern CXSourceLocation clang_getDiagnosticLocation(CXDiagnostic diagnostic);
internal static extern DiagnosticSeverity clang_getDiagnosticSeverity(CXDiagnostic diagnostic);
internal static extern CXString clang_formatDiagnostic(CXDiagnostic diagnostic, DiagnosticDisplayOptions options);
internal static extern CXString clang_getDiagnosticSpelling(CXDiagnostic diagnostic);
internal static extern CXSourceRange clang_getDiagnosticRange(CXDiagnostic diagnostic, uint range);
internal static extern uint clang_getDiagnosticCategory(CXDiagnostic diagnostic);
internal static extern uint clang_getDiagnosticNumFixIts(CXDiagnostic diagnostic);
internal static extern uint clang_getDiagnosticNumRanges(CXDiagnostic diagnostic);
internal static extern CXString clang_getDiagnosticFixIt(CXDiagnostic diagnostic, uint fix_it, out CXSourceRange replacement_range);
internal static extern uint clang_getDiagnosticNumFixIts(CXDiagnostic diagnostic);
internal static extern CXDiagnosticSet clang_getChildDiagnostics(CXDiagnostic diagnostic);
internal static extern void clang_disposeDiagnostic(CXDiagnostic dianostic);
public Diagnostic(CXDiagnostic d)
{
this.Core = d;
}
internal static extern CXDiagnosticSet clang_getChildDiagnostics(CXDiagnostic diag);
internal static extern Diagnostic.Severity clang_getDiagnosticSeverity(CXDiagnostic diagnostic);
public static string ToString(this CXDiagnostic o)
{
return(clang.getDiagnosticSpelling(o).ToString());
}
internal static extern CXSourceLocation clang_getDiagnosticLocation(CXDiagnostic diagnostic);
public unsafe void GenerateTypes(string libraryName = "imobiledevice")
{
string[] arguments =
{
// Use the C++ backend
"-x",
"c++",
// Parse the doxygen comments
"-Wdocumentation",
// Target 32-bit OS
"-m32"
};
arguments = arguments.Concat(this.IncludeDirectories.Select(x => "-I" + x)).ToArray();
FunctionVisitor functionVisitor;
using (var createIndex = ClangSharp.Index.Create(false, true))
using (var translationUnit = CXTranslationUnit.Parse(createIndex.Handle, this.InputFile, arguments, null, CXTranslationUnit_Flags.CXTranslationUnit_None))
{
StringWriter errorWriter = new StringWriter();
var set = translationUnit.DiagnosticSet;
var numDiagnostics = set.NumDiagnostics;
bool hasError = false;
bool hasWarning = false;
for (uint i = 0; i < numDiagnostics; ++i)
{
CXDiagnostic diagnostic = set.GetDiagnostic(i);
var severity = diagnostic.Severity;
switch (severity)
{
case CXDiagnosticSeverity.CXDiagnostic_Error:
case CXDiagnosticSeverity.CXDiagnostic_Fatal:
hasError = true;
break;
case CXDiagnosticSeverity.CXDiagnostic_Warning:
hasWarning = true;
break;
}
var location = diagnostic.Location;
location.GetFileLocation(out CXFile file, out uint line, out _, out _);
var fileName = file.Name.CString;
var message = diagnostic.Spelling.CString;
errorWriter.WriteLine($"{severity}: {fileName}:{line} {message}");
}
if (hasError)
{
throw new Exception(errorWriter.ToString());
}
if (hasWarning)
{
// Dump the warnings to the console output.
Console.WriteLine(errorWriter.ToString());
}
// Generate the marhaler types for string arrays (char **)
var arrayMarshalerGenerator = new ArrayMarshalerGenerator(this);
arrayMarshalerGenerator.Generate();
// Creates enums
var enumVisitor = new EnumVisitor(this);
var realEnumVisitor = new DelegatingCXCursorVisitor(enumVisitor.Visit);
translationUnit.Cursor.VisitChildren(realEnumVisitor.Visit, new CXClientData());
// Creates structs
var structVisitor = new StructVisitor(this);
var realStructVisitor = new DelegatingCXCursorVisitor(structVisitor.Visit);
translationUnit.Cursor.VisitChildren(realStructVisitor.Visit, new CXClientData());
// Creates safe handles & delegates
var typeDefVisitor = new TypeDefVisitor(this);
var realTypeDefVisitor = new DelegatingCXCursorVisitor(typeDefVisitor.Visit);
translationUnit.Cursor.VisitChildren(realTypeDefVisitor.Visit, new CXClientData());
// Creates functions in a NativeMethods class
functionVisitor = new FunctionVisitor(this, libraryName);
var realFunctionVisitor = new DelegatingCXCursorVisitor(functionVisitor.Visit);
translationUnit.Cursor.VisitChildren(realFunctionVisitor.Visit, new CXClientData());
createIndex.Dispose();
}
// Update the SafeHandle to call the _free method
var handles = this.Types.Where(t => t.Name.EndsWith("Handle"));
foreach (var handle in handles)
{
var freeMethod = functionVisitor.NativeMethods.Members
.OfType <CodeMemberMethod>()
.Where(m =>
(m.Name.EndsWith("_free") || m.Name.EndsWith("_disconnect")) &&
m.Parameters.Count == 1 &&
m.Parameters[0].Type.BaseType == handle.Name)
.SingleOrDefault();
if (freeMethod == null)
{
continue;
}
var type = (HandleType)((NustacheGeneratedType)handle).Type;
type.ReleaseMethodName = freeMethod.Name;
type.ReleaseMethodReturnsValue = freeMethod.ReturnType.BaseType != "System.Void";
// Directly pass the IntPtr, becuase the handle itself will already be in the 'closed' state
// when this method is called.
freeMethod.Parameters[0].Type = new CodeTypeReference(typeof(IntPtr));
freeMethod.Parameters[0].Direction = FieldDirection.In;
}
// Extract the API interface and class, as well as the Exception class. Used for DI.
ApiExtractor extractor = new ApiExtractor(this, functionVisitor);
extractor.Generate();
// Add the 'Error' extension IsError and ThrowOnError extension methods
var extensionsExtractor = new ErrorExtensionExtractor(this, functionVisitor);
extensionsExtractor.Generate();
// Patch the native methods to be compatible with .NET Core - basically,
// do the marshalling ourselves
NativeMethodOverloadGenerator.Generate(this);
}
internal static extern void clang_disposeDiagnostic(CXDiagnostic diagnostic);
