// AST traverse
private CXChildVisitResult Visitor(CXCursor cursor, CXCursor parent, IntPtr data)
{
// skip system headers
CXSourceLocation location = clang.getCursorLocation(cursor);
if (clang.Location_isFromMainFile(location) == 0)
{
return(CXChildVisitResult.CXChildVisit_Continue);
}
// prepare client data
GCHandle astHandle = (GCHandle)data;
AST ast = astHandle.Target as AST;
// get visitor
IASTVisitor visitor = null;
switch (cursor.kind)
{
// dealing with class
case CXCursorKind.CXCursor_StructDecl:
case CXCursorKind.CXCursor_ClassDecl:
visitor = new ClassVisitor(ast);
break;
// dealing with enum type
case CXCursorKind.CXCursor_EnumDecl:
visitor = new EnumVisitor(ast);
break;
// dealing with function
case CXCursorKind.CXCursor_FunctionDecl:
visitor = new FunctionVisitor(ast);
break;
case CXCursorKind.CXCursor_Namespace:
// ignore anonymous namespace
if (clang.Cursor_isAnonymous(cursor) != 0)
{
return(CXChildVisitResult.CXChildVisit_Continue);
}
ProcessNamespace(cursor, data);
return(CXChildVisitResult.CXChildVisit_Continue);
case CXCursorKind.CXCursor_TypeAliasDecl:
case CXCursorKind.CXCursor_TypedefDecl:
//TypeVisitorHelper.GetNativeType(ast, clang.getCursorType(cursor));
visitor = new TypeVisitor(ast);
break;
case CXCursorKind.CXCursor_ClassTemplate:
visitor = new ClassTemplateVisitor(ast, this, false);
break;
case CXCursorKind.CXCursor_ClassTemplatePartialSpecialization:
visitor = new ClassTemplateVisitor(ast, this, true);
break;
case CXCursorKind.CXCursor_FunctionTemplate:
break;
default:
// TODO ... any other
break;
}
if (visitor != null)
{
if (!visitor.DoVisit(cursor, parent))
{
return(CXChildVisitResult.CXChildVisit_Break);
}
}
// deep iteratoring in sub visitor
return(CXChildVisitResult.CXChildVisit_Continue);
}
public static bool VisitTemplateParameter(
CXCursor cursor,
CXType type,
NativeClass @class,
AST ast,
TypeVisitContext context)
{
ClassTemplate template = @class.OriginalTemplate;
Debug.Assert(template != null);
Debug.Assert(template.TP != null);
int templateArgNum = clang.Type_getNumTemplateArguments(type);
if (templateArgNum < 0)
{
return(false);
}
@class.SetTemplateParameterCount(templateArgNum);
int contextIndex = 0;
for (uint loop = 0; loop < templateArgNum; ++loop)
{
TemplateParameter param = template.TP.GetTemplateParameter(loop);
Debug.Assert(param != null);
if (param.Kind == TemplateParameterKind.Type)
{
CXType argType = clang.Type_getTemplateArgumentAsType(type, loop);
Debug.Assert(!ClangTraits.IsInvalid(argType));
NativeType nativeArgType = TypeVisitorHelper.GetNativeType(ast, argType, context);
@class.SetTemplateParameter(loop, nativeArgType);
}
else if (param.Kind == TemplateParameterKind.NoneType ||
param.Kind == TemplateParameterKind.Dependent)
{
string literal;
if (context != null && !context.Empty)
{
literal = context.Consume();
}
else
{
literal = (param.Extra as TemplateNonTypeParam).DefaultLiteral;
}
Debug.Assert(literal != null);
@class.SetTemplateParameter(loop, literal);
++contextIndex;
}
else
{
Debug.Assert(TemplateParameterKind.Template == param.Kind);
// not support now
ClassTemplate templateParam = null;
@class.SetTemplateParameter(loop, templateParam);
}
}
return(true);
}
public ClassVisitor(AST ast, NativeClass owner = null)
{
AST_ = ast;
OwnerClass_ = owner;
}
public TypeVisitor(AST ast)
{
AST_ = ast;
}
public ClassTemplateVisitor(AST ast, ASTVisitor visitor, bool isPartial)
{
AST_ = ast;
visitor_ = visitor;
isPartial_ = isPartial;
}