[libclang] Expose AutoType

[skalinichev]

Summary

This exposes the AutoType through LibClang interface

[milianw]

Looks good to me!

[klimek]

Thx Milinan; this also looks fine from a binary compatibility perspective ...

bindings/python/clang/cindex.py

 TypeKind.VARIABLEARRAY = TypeKind(115)
 TypeKind.DEPENDENTSIZEDARRAY = TypeKind(116)
 TypeKind.MEMBERPOINTER = TypeKind(117)
+TypeKind.AUTO = TypeKind(118)
 
 class RefQualifierKind(BaseEnumeration):
     """Describes a specific ref-qualifier of a type."""

include/clang-c/Index.h

   CXType_IncompleteArray = 114,
   CXType_VariableArray = 115,
   CXType_DependentSizedArray = 116,
-  CXType_MemberPointer = 117
+  CXType_MemberPointer = 117,
+  CXType_Auto = 118
 };
 
 /**

test/Index/print-type.cpp

 // CHECK: StructDecl=Blob:45:8 (Definition) [type=Blob] [typekind=Record] [isPOD=1] [nbFields=2]
 // CHECK: FieldDecl=i:46:7 (Definition) [type=int] [typekind=Int] [isPOD=1]
 // CHECK: VarDecl=member_pointer:49:12 (Definition) [type=int Blob::*] [typekind=MemberPointer] [isPOD=1]
-// CHECK: VarDecl=autoI:53:6 (Definition) [type=int] [typekind=Unexposed] [canonicaltype=int] [canonicaltypekind=Int] [isPOD=1]
+// CHECK: VarDecl=autoI:53:6 (Definition) [type=int] [typekind=Auto] [canonicaltype=int] [canonicaltypekind=Int] [isPOD=1]
 // CHECK: IntegerLiteral= [type=int] [typekind=Int] [isPOD=1]
-// CHECK: VarDecl=autoTbar:54:6 (Definition) [type=int] [typekind=Unexposed] [canonicaltype=int] [canonicaltypekind=Int] [isPOD=1]
+// CHECK: VarDecl=autoTbar:54:6 (Definition) [type=int] [typekind=Auto] [canonicaltype=int] [canonicaltypekind=Int] [isPOD=1]
 // CHECK: CallExpr=tbar:35:3 [type=int] [typekind=Unexposed] [canonicaltype=int] [canonicaltypekind=Int] [args= [int] [Int]] [isPOD=1]
 // CHECK: UnexposedExpr=tbar:35:3 [type=int (*)(int)] [typekind=Pointer] [canonicaltype=int (*)(int)] [canonicaltypekind=Pointer] [isPOD=1] [pointeetype=int (int)] [pointeekind=FunctionProto]
 // CHECK: DeclRefExpr=tbar:35:3 RefName=[54:17 - 54:21] RefName=[54:21 - 54:26] [type=int (int)] [typekind=FunctionProto] [canonicaltype=int (int)] [canonicaltypekind=FunctionProto] [isPOD=0]
 // CHECK: IntegerLiteral= [type=int] [typekind=Int] [isPOD=1]
-// CHECK: VarDecl=autoBlob:55:6 (Definition) [type=Blob *] [typekind=Unexposed] [canonicaltype=Blob *] [canonicaltypekind=Pointer] [isPOD=1]
+// CHECK: VarDecl=autoBlob:55:6 (Definition) [type=Blob *] [typekind=Auto] [canonicaltype=Blob *] [canonicaltypekind=Pointer] [isPOD=1]
 // CHECK: CXXNewExpr= [type=Blob *] [typekind=Pointer] [isPOD=1] [pointeetype=Blob] [pointeekind=Record]
 // CHECK: TypeRef=struct Blob:45:8 [type=Blob] [typekind=Record] [isPOD=1] [nbFields=2]
 // CHECK: CallExpr=Blob:45:8 [type=Blob] [typekind=Record] [isPOD=1] [nbFields=2]
-// CHECK: FunctionDecl=autoFunction:56:6 (Definition) [type=int ()] [typekind=FunctionProto] [canonicaltype=int ()] [canonicaltypekind=FunctionProto] [resulttype=int] [resulttypekind=Unexposed] [isPOD=0]
+// CHECK: FunctionDecl=autoFunction:56:6 (Definition) [type=int ()] [typekind=FunctionProto] [canonicaltype=int ()] [canonicaltypekind=FunctionProto] [resulttype=int] [resulttypekind=Auto] [isPOD=0]
 // CHECK: CompoundStmt= [type=] [typekind=Invalid] [isPOD=0]
 // CHECK: ReturnStmt= [type=] [typekind=Invalid] [isPOD=0]
 // CHECK: UnexposedExpr= [type=int] [typekind=Int] [isPOD=1]
-// CHECK: VarDecl=autoInt:57:16 (Definition) [type=int] [typekind=Unexposed] [canonicaltype=int] [canonicaltypekind=Int] [isPOD=1]
+// CHECK: VarDecl=autoInt:57:16 (Definition) [type=int] [typekind=Auto] [canonicaltype=int] [canonicaltypekind=Int] [isPOD=1]
 // CHECK: IntegerLiteral= [type=int] [typekind=Int] [isPOD=1]

tools/libclang/CXType.cpp

     TKCASE(DependentSizedArray);
     TKCASE(Vector);
     TKCASE(MemberPointer);
+    TKCASE(Auto);
     default:
       return CXType_Unexposed;
   }

     TKIND(DependentSizedArray);
     TKIND(Vector);
     TKIND(MemberPointer);
+    TKIND(Auto);
   }
 #undef TKIND
   return cxstring::createRef(s);