private CXChildVisitResult Visitor(CXCursor cursor, CXCursor parent, IntPtr data)
{
if (CXCursorKind.CXCursor_ParmDecl == cursor.kind)
{
// prepare client data
GCHandle funcHandle = (GCHandle)data;
FunctionProto proto = funcHandle.Target as FunctionProto;
CXType type = clang.getCursorType(cursor);
FunctionParameter param = new FunctionParameter
{
Name = clang.getCursorSpelling(cursor).ToString(),
Type = TypeVisitorHelper.GetNativeType(AST_, type)
};
clang.visitChildren(cursor, (CXCursor c, CXCursor p, IntPtr d) =>
{
if (ClangTraits.IsLiteralCursor(c))
{
// get liter-string from token
List <string> tokens = ASTVisitor.GetCursorTokens(c);
// set default literal
param.DefaultValue = string.Concat(tokens);
}
return(CXChildVisitResult.CXChildVisit_Continue);
}, new CXClientData(IntPtr.Zero));
proto.AddParameter(param);
}
return(CXChildVisitResult.CXChildVisit_Recurse);
}
private CXChildVisitResult ContextVisitor(CXCursor cursor, CXCursor parent, IntPtr data)
{
// prepare context handle
GCHandle contextHandle = (GCHandle)data;
List <string> context = contextHandle.Target as List <string>;
if (ClangTraits.IsNonTypeTemplateParamLiteral(cursor))
{
List <string> tokens = ASTVisitor.GetCursorTokens(cursor);
string literal = string.Concat(tokens);
context.Add(literal);
}
else if (ClangTraits.IsTemplateRef(cursor))
{
CXCursor refCursor = clang.getCursorReferenced(cursor);
if (ClangTraits.IsTemplateAlias(refCursor))
{
//clang.visitChildren(refCursor, ContextVisitor, new CXClientData(data));
clang.visitChildren(refCursor, (CXCursor c, CXCursor p, IntPtr d) =>
{
if (CXCursorKind.CXCursor_TypeAliasDecl == c.kind)
{
return(CXChildVisitResult.CXChildVisit_Recurse);
}
ContextVisitor(c, p, d);
return(CXChildVisitResult.CXChildVisit_Continue);
}, new CXClientData(data));
}
}
return(CXChildVisitResult.CXChildVisit_Continue);
}
public static bool IsVariadicTemplateParameter(CXCursor cursor)
{
List <string> tokens = ASTVisitor.GetCursorTokens(cursor);
int count = tokens.Count;
if (count < 2)
{
return(false);
}
if (tokens[count - 1] == "...")
{
return(true);
}
return(tokens[count - 2] == "...");
}
private TemplateParameter GetTemplateNonTypeParameter(AST ast, TemplateProto tp, CXCursor cursor)
{
string paramName = clang.getCursorSpelling(cursor).ToString();
bool isVariadic = ClangTraits.IsVariadicTemplateParameter(cursor);
// check if dependent or nontype
bool isDependent = false;
string dependName = null;
string default_value = null;
clang.visitChildren(cursor, (CXCursor c, CXCursor p, IntPtr data) =>
{
if (ClangTraits.IsTypeRef(c))
{
CXType t = clang.getCursorType(c);
if (ClangTraits.IsUnexposedType(t))
{
isDependent = true;
dependName = clang.getCursorSpelling(c).ToString();
}
}
else if (ClangTraits.IsNonTypeTemplateParamLiteral(c))
{
List <string> tokens = ASTVisitor.GetCursorTokens(c);
default_value = string.Concat(tokens);
}
return(CXChildVisitResult.CXChildVisit_Continue);
}, new CXClientData(IntPtr.Zero));
TemplateParameter param;
if (isDependent)
{
Debug.Assert(dependName != null);
param = new TemplateParameter(paramName, TemplateParameterKind.Dependent, isVariadic);
TemplateParameter dependeParam = tp.GetTemplateParameter(dependName);
Debug.Assert(dependeParam != null);
param.SetExtra(dependeParam, default_value);
}
else
{
CXType type = clang.getCursorType(cursor);
NativeType nativeType = TypeVisitorHelper.GetNativeType(AST_, type);
param = new TemplateParameter(paramName, TemplateParameterKind.NoneType, isVariadic);
param.SetExtra(nativeType, default_value);
}
return(param);
}
public AST ParseWithClangArgs(CppConfig config)
{
if (config.Sources.Count == 0)
{
Console.WriteLine("No input sources or includes");
return(null);
}
// the index object
CXIndex Index = clang.createIndex(0, 0);
// prepare some vars for parse
uint option = clang.defaultEditingTranslationUnitOptions()
| (uint)CXTranslationUnit_Flags.CXTranslationUnit_SkipFunctionBodies;
CXUnsavedFile unsavedFile = new CXUnsavedFile();
CXTranslationUnit TU;
var error = clang.parseTranslationUnit2(Index, config.Sources[0], config.Extras, config.Extras.Length, out unsavedFile, 0,
option, out TU);
if (error != CXErrorCode.CXError_Success)
{
Console.WriteLine("Failed to parse Translation Unit!");
return(null);
}
bool fatal = false;
var numDiagnostics = clang.getNumDiagnostics(TU);
for (uint loop = 0; loop < numDiagnostics; ++loop)
{
fatal |= DealingWithDiagnostic(clang.getDiagnostic(TU, loop));
}
if (fatal)
{
return(null);
}
ASTVisitor visitor = new ASTVisitor();
AST ast = visitor.Visit(TU);
clang.disposeIndex(Index);
return(ast);
}
private void ProcessConstructor(NativeClass thisClass, CXCursor cursor, CXCursor parent)
{
bool isDefault = clang.CXXConstructor_isDefaultConstructor(cursor) != 0;
bool isConvert = clang.CXXConstructor_isConvertingConstructor(cursor) != 0;
bool isCopy = clang.CXXConstructor_isCopyConstructor(cursor) != 0;
bool isMove = clang.CXXConstructor_isMoveConstructor(cursor) != 0;
Constructor ctor = new Constructor(isDefault, isConvert, isCopy, isMove);
OnVisitFunctionParameter func = (FunctionParameter param) =>
{
ctor.AddParameter(param);
};
List <string> tokens = ASTVisitor.GetCursorTokens(cursor);
if (tokens.Count > 0)
{
if (tokens[0] == "explicit")
{
ctor.IsExplicit = true;
}
int count = tokens.Count;
if (tokens[count - 2] == "=")
{
string lastToken = tokens[count - 1];
if (lastToken == "default")
{
ctor.Composite = DefaultCompositeKind.Default;
}
else if (lastToken == "delete")
{
ctor.Composite = DefaultCompositeKind.Delete;
}
}
}
// deep visit
GCHandle delegateHandle = GCHandle.Alloc(func);
clang.visitChildren(cursor, ParameterVisitor, new CXClientData((IntPtr)delegateHandle));
thisClass.AddConstructor(ctor);
}
public ClassTemplateVisitor(AST ast, ASTVisitor visitor, bool isPartial)
{
AST_ = ast;
visitor_ = visitor;
isPartial_ = isPartial;
}