Teach clang-query to dump types. I couldn't find any existing tests for clang-query's dumping functionality. =(

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@285869 91177308-0d34-0410-b5e6-96231b3b80d8

include/clang/AST/Type.h

@@ -985,6 +985,7 @@ public:
 
   void dump(const char *s) const;
   void dump() const;
+  void dump(llvm::raw_ostream &OS) const;
 
   void Profile(llvm::FoldingSetNodeID &ID) const {
     ID.AddPointer(getAsOpaquePtr());
@@ -2005,6 +2006,7 @@ public:
   }
   CanQualType getCanonicalTypeUnqualified() const; // in CanonicalType.h
   void dump() const;
+  void dump(llvm::raw_ostream &OS) const;
 
   friend class ASTReader;
   friend class ASTWriter;

include/clang/Basic/DiagnosticLexKinds.td

@@ -183,7 +183,7 @@ def ext_hex_constant_invalid : Extension<
 def ext_hex_literal_invalid : Extension<
   "hexadecimal floating literals are a C++1z feature">, InGroup<CXX1z>;
 def warn_cxx1z_hex_literal : Warning<
-  "hexidecimal floating literals are incompatible with "
+  "hexadecimal floating literals are incompatible with "
   "C++ standards before C++1z">,
   InGroup<CXXPre1zCompatPedantic>, DefaultIgnore;
 def ext_binary_literal : Extension<

lib/AST/ASTDumper.cpp

@@ -2466,12 +2466,18 @@ void QualType::dump(const char *msg) const {
   dump();
 }
 
-LLVM_DUMP_METHOD void QualType::dump() const {
-  ASTDumper Dumper(llvm::errs(), nullptr, nullptr);
+LLVM_DUMP_METHOD void QualType::dump() const { dump(llvm::errs()); }
+
+LLVM_DUMP_METHOD void QualType::dump(llvm::raw_ostream &OS) const {
+  ASTDumper Dumper(OS, nullptr, nullptr);
   Dumper.dumpTypeAsChild(*this);
 }
 
-LLVM_DUMP_METHOD void Type::dump() const { QualType(this, 0).dump(); }
+LLVM_DUMP_METHOD void Type::dump() const { dump(llvm::errs()); }
+
+LLVM_DUMP_METHOD void Type::dump(llvm::raw_ostream &OS) const {
+  QualType(this, 0).dump(OS);
+}
 
 //===----------------------------------------------------------------------===//
 // Decl method implementations

lib/AST/ASTTypeTraits.cpp

@@ -135,6 +135,8 @@ void DynTypedNode::dump(llvm::raw_ostream &OS, SourceManager &SM) const {
     D->dump(OS);
   else if (const Stmt *S = get<Stmt>())
     S->dump(OS, SM);
+  else if (const Type *T = get<Type>())
+    T->dump(OS);
   else
     OS << "Unable to dump values of type " << NodeKind.asStringRef() << "\n";
 }