public static string GetTextFromCompoundStmt(CXCursor cursor)
{
var stmts = cursor.GetChildren ();
CXSourceLocation start = clang.getCursorLocation (stmts.First ());
CXSourceLocation end = clang.getRangeEnd (clang.getCursorExtent (stmts.Last ()));
CXFile file;
uint line1, line2;
uint column1, column2;
uint offset1, offset2;
clang.getFileLocation (start, out file, out line1, out column1, out offset1);
clang.getFileLocation (end, out file, out line2, out column2, out offset2);
string filePath = clang.getFileName (file).ToString ();
// We have to read bytes first and then convert them to utf8 string
// because .net string is utf16 char array, but clang handles utf8 src text only.
// clang's offset means byte offset (not utf16 char offset)
uint count = offset2 - offset1 + 1;
byte[] text = new byte[count];
using(FileStream fs = File.OpenRead(filePath)) {
fs.Seek (offset1, SeekOrigin.Begin);
fs.Read (text, 0, (int)count);
}
return Encoding.UTF8.GetString (text);
}
static void Dump(CXCursor cursor, StringBuilder sb, int level, int mask)
{
for (int i = 1; i <= level; i++) {
if (IsSet (mask, level - i)) {
if (i == level)
sb.Append ("|-");
else
sb.Append ("| ");
} else {
if (i == level)
sb.Append ("`-");
else
sb.Append (" ");
}
}
sb.AppendFormat ("{0} {1}\n", cursor.kind, cursor.ToString ());
CXCursor[] children = cursor.GetChildren ().ToArray();
for (int i = 0; i < children.Length; i++)
Dump (children[i], sb, level + 1, (mask << 1) | (i == children.Length - 1 ? 0 : 1));
}
BaseMethodDeclarationSyntax PortMethod(CXCursor cursor)
{
var objcMethod = new ObjCMethod (cursor);
IEnumerable<ParameterSyntax> mParams = FetchParamInfos (cursor);
MethodDefinition mDef;
MethodDeclarationSyntax mDecl = null;
ConstructorDeclarationSyntax ctorDecl = null;
var mb = new MethodBuilder ();
var isBound = bindingLocator.TryFindMethod (ImplContext.SuperClassName, objcMethod.Selector, out mDef);
if (isBound) {
if (mDef.IsConstructor)
ctorDecl = mb.BuildCtor (mDef, ImplContext.ClassName, mParams);
else
mDecl = mb.BuildDeclaration (mDef, mParams);
} else {
if (objcMethod.IsInitializer)
ctorDecl = mb.BuildCtor (ImplContext.ClassName, mParams);
else
mDecl = BuildDefaultDeclaration (objcMethod, mParams);
}
IEnumerable<CXCursor> children = cursor.GetChildren ();
var compoundStmt = children.First (c => c.kind == CXCursorKind.CXCursor_CompoundStmt);
if (ctorDecl != null)
return AddBody (compoundStmt, ctorDecl);
else
return AddBody (compoundStmt, mDecl);
}
ClassDeclarationSyntax PortClass(CXCursor cursor)
{
if (cursor.kind != CXCursorKind.CXCursor_ObjCImplementationDecl)
throw new ArgumentException ();
ImplContext = new ObjCImplementationDeclContext (cursor);
TypePorter = new ObjCTypePorter (ImplContext.ClassName);
ClassDeclarationSyntax classDecl = SF.ClassDeclaration (ImplContext.ClassName);
classDecl = classDecl.AddModifiers (SF.Token (SyntaxKind.PublicKeyword));
classDecl = classDecl.AddBaseListTypes (SF.SimpleBaseType (SF.ParseTypeName(ImplContext.SuperClassName)));
var propDecls = ImplContext.DeclCursor.GetChildren ().Where (c => c.kind == CXCursorKind.CXCursor_ObjCPropertyDecl);
foreach (var pDecl in propDecls)
classDecl = classDecl.AddMembers (CreatePropertyFromPropertyDecl (pDecl));
var unrecognized = new List<CXCursor> ();
IEnumerable<CXCursor> children = cursor.GetChildren ();
foreach (var m in children) {
if (m.kind == CXCursorKind.CXCursor_ObjCInstanceMethodDecl || m.kind == CXCursorKind.CXCursor_ObjCClassMethodDecl)
classDecl = classDecl.AddMembers(PortMethod (m));
else
unrecognized.Add (m);
}
// TODO: warn about unrecognized cursors
return classDecl;
}
MethodDeclarationSyntax PortCategoryMethod(CXCursor cursor)
{
var objcMethod = new ObjCMethod (cursor);
IEnumerable<ParameterSyntax> mParams = FetchParamInfos (cursor);
ParameterSyntax thisParam = SF.Parameter (SF.Identifier ("self"))
.WithType (SF.ParseTypeName (CategoryImplContext.ExtendedClassName));
mParams = (new ParameterSyntax[] { thisParam }).Concat (mParams);
TypeSyntax retType = TypePorter.PortType (objcMethod.ReturnType);
string methodName = MethodHelper.ConvertToMehtodName (objcMethod.Selector);
var mb = new MethodBuilder ();
MethodDeclarationSyntax mDecl = mb.BuildExtensionMethod (retType, methodName, mParams);
IEnumerable<CXCursor> children = cursor.GetChildren ();
var compoundStmt = children.First (c => c.kind == CXCursorKind.CXCursor_CompoundStmt);
return AddBody (compoundStmt, mDecl);
}
ClassDeclarationSyntax PortCategory(CXCursor cursor)
{
if (cursor.kind != CXCursorKind.CXCursor_ObjCCategoryImplDecl)
throw new ArgumentException ();
CategoryImplContext = new ObjCCategoryImplDeclContext (cursor);
TypePorter = new ObjCTypePorter (CategoryImplContext.ExtendedClassName);
string className = string.Format ("{0}{1}Extensions", CategoryImplContext.ExtendedClassName, CategoryImplContext.CategoryName);
ClassDeclarationSyntax classDecl = SF.ClassDeclaration (className);
classDecl = classDecl.AddModifiers (SF.Token (SyntaxKind.PublicKeyword), SF.Token (SyntaxKind.StaticKeyword));
var unrecognized = new List<CXCursor> ();
IEnumerable<CXCursor> children = cursor.GetChildren ();
foreach (var m in children) {
if (m.kind == CXCursorKind.CXCursor_ObjCInstanceMethodDecl || m.kind == CXCursorKind.CXCursor_ObjCClassMethodDecl)
classDecl = classDecl.AddMembers(PortCategoryMethod (m));
else
unrecognized.Add (m);
}
// TODO: warn about unrecognized cursors
return classDecl;
}
IEnumerable<ParameterSyntax> FetchParamInfos(CXCursor methodCursor)
{
return methodCursor.GetChildren ()
.Where (c => c.kind == CXCursorKind.CXCursor_ParmDecl)
.Select (TypePorter.PortParameter);
}
static CXCursor GetSuperClass(CXCursor interfaceDecl)
{
return interfaceDecl.GetChildren ().Where (c => c.kind == CXCursorKind.CXCursor_ObjCSuperClassRef).Single ();
}
static CXCursor GetExtendedClass(CXCursor cursor)
{
return cursor.GetChildren ().Where (c => c.kind == CXCursorKind.CXCursor_ObjCClassRef).Single ();
}