Introduce the ability to dump the AST to JSON.

This adds the -ast-dump=json cc1 flag (in addition to -ast-dump=default, which is the default if no dump format is specified), as well as some initial AST dumping functionality and tests.

llvm-svn: 360622

1 files changed, 3 insertions, 3 deletions

diff --git a/clang/tools/clang-check/ClangCheck.cpp b/clang/tools/clang-check/ClangCheck.cpp
index ce400b5c200..3d88f3cd64b 100644
--- a/clang/tools/clang-check/ClangCheck.cpp
+++ b/clang/tools/clang-check/ClangCheck.cpp
@@ -134,11 +134,11 @@ public:
     if (ASTList)
       return clang::CreateASTDeclNodeLister();
     if (ASTDump)
-      return clang::CreateASTDumper(nullptr /*Dump to stdout.*/,
-                                    ASTDumpFilter,
+      return clang::CreateASTDumper(nullptr /*Dump to stdout.*/, ASTDumpFilter,
                                     /*DumpDecls=*/true,
                                     /*Deserialize=*/false,
-                                    /*DumpLookups=*/false);
+                                    /*DumpLookups=*/false,
+                                    clang::ADOF_Default);
     if (ASTPrint)
       return clang::CreateASTPrinter(nullptr, ASTDumpFilter);
     return llvm::make_unique<clang::ASTConsumer>();