Improve AST dumping:

 1) When dumping a declaration that declares a name for a type, also dump the named type.
 2) Add a #pragma clang __debug dump X, that dumps the lookup results for X in
    the current context.

llvm-svn: 257529

1 files changed, 18 insertions, 3 deletions

diff --git a/clang/test/Misc/ast-dump-lookups.cpp b/clang/test/Misc/ast-dump-lookups.cpp
index 5c6da48b3af..2d235010cb7 100644
--- a/clang/test/Misc/ast-dump-lookups.cpp
+++ b/clang/test/Misc/ast-dump-lookups.cpp
@@ -1,16 +1,31 @@
 // RUN: %clang_cc1 -std=c++11 -ast-dump -ast-dump-filter Test %s | FileCheck -check-prefix DECLS %s
 // RUN: %clang_cc1 -std=c++11 -ast-dump-lookups -ast-dump-filter Test %s | FileCheck -check-prefix LOOKUPS %s
 // RUN: %clang_cc1 -std=c++11 -ast-dump -ast-dump-lookups -ast-dump-filter Test %s | FileCheck -check-prefix DECLS-LOOKUPS %s
+// RUN: %clang_cc1 -std=c++11 -DPRAGMA -fsyntax-only %s 2>&1 | FileCheck -check-prefix PRAGMA %s
 
 namespace Test {
+  typedef int T;
   extern int a;
   int a = 0;
 }
 
+#ifdef PRAGMA
+#pragma clang __debug dump Test
+// PRAGMA: lookup results for Test:
+// PRAGMA-NEXT: NamespaceDecl {{.*}} Test
+// PRAGMA-NEXT: |-TypedefDecl {{.*}} T 'int'
+// PRAGMA-NEXT: | `-BuiltinType {{.*}} 'int'
+// PRAGMA-NEXT: |-VarDecl [[EXTERN_A:0x[^ ]*]] {{.*}} a 'int' extern
+// PRAGMA-NEXT: `-VarDecl {{.*}} prev [[EXTERN_A]] {{.*}} a 'int' cinit
+// PRAGMA-NEXT:   `-IntegerLiteral {{.*}} 'int' 0
+#endif
+
 namespace Test { }
 
 // DECLS: Dumping Test:
 // DECLS-NEXT: NamespaceDecl {{.*}} Test
+// DECLS-NEXT: |-TypedefDecl {{.*}} T 'int'
+// DECLS-NEXT: | `-BuiltinType {{.*}} 'int'
 // DECLS-NEXT: |-VarDecl [[EXTERN_A:0x[^ ]*]] {{.*}} a 'int' extern
 // DECLS-NEXT: `-VarDecl {{.*}} prev [[EXTERN_A]] {{.*}} a 'int' cinit
 // DECLS-NEXT:   `-IntegerLiteral {{.*}} 'int' 0
@@ -20,15 +35,15 @@ namespace Test { }
 
 // LOOKUPS: Dumping Test:
 // LOOKUPS-NEXT: StoredDeclsMap Namespace {{.*}} 'Test'
-// LOOKUPS-NEXT: `-DeclarationName 'a'
-// LOOKUPS-NEXT:   `-Var {{.*}} 'a' 'int'
+// LOOKUPS:      DeclarationName 'a'
+// LOOKUPS-NEXT: `-Var {{.*}} 'a' 'int'
 //
 // LOOKUPS: Dumping Test:
 // LOOKUPS-NEXT: Lookup map is in primary DeclContext
 
 // DECLS-LOOKUPS: Dumping Test:
 // DECLS-LOOKUPS-NEXT: StoredDeclsMap Namespace {{.*}} 'Test'
-// DECLS-LOOKUPS-NEXT: `-DeclarationName 'a'
+// DECLS-LOOKUPS:       -DeclarationName 'a'
 // DECLS-LOOKUPS-NEXT:   `-Var [[A:[^ ]*]] 'a' 'int'
 // DECLS-LOOKUPS-NEXT:     |-VarDecl [[EXTERN_A:0x[^ ]*]] {{.*}} a 'int' extern
 // DECLS-LOOKUPS-NEXT:     `-VarDecl [[A]] prev [[EXTERN_A]] {{.*}} a 'int' cinit