Vendor import of clang trunk r301441:vendor/clang/clang-trunk-r301441

https://llvm.org/svn/llvm-project/cfe/trunk@301441

5 files changed, 47 insertions, 29 deletions

diff --git a/tools/c-index-test/c-index-test.c b/tools/c-index-test/c-index-test.c
index 0dde4c7cc764..e8763ffc00ae 100644
--- a/tools/c-index-test/c-index-test.c
+++ b/tools/c-index-test/c-index-test.c
@@ -3014,6 +3014,7 @@ static const char *getEntityLanguageString(CXIdxEntityLanguage kind) {
   case CXIdxEntityLang_C: return "C";
   case CXIdxEntityLang_ObjC: return "ObjC";
   case CXIdxEntityLang_CXX: return "C++";
+  case CXIdxEntityLang_Swift: return "Swift";
   }
   assert(0 && "Garbage language kind");
   return 0;
diff --git a/tools/clang-format/ClangFormat.cpp b/tools/clang-format/ClangFormat.cpp
index ac0d0a8512f4..14bff19a1a0c 100644
--- a/tools/clang-format/ClangFormat.cpp
+++ b/tools/clang-format/ClangFormat.cpp
@@ -276,14 +276,17 @@ static bool format(StringRef FileName) {
   }
   // Get new affected ranges after sorting `#includes`.
   Ranges = tooling::calculateRangesAfterReplacements(Replaces, Ranges);
-  bool IncompleteFormat = false;
+  FormattingAttemptStatus Status;
   Replacements FormatChanges = reformat(*FormatStyle, *ChangedCode, Ranges,
-                                        AssumedFileName, &IncompleteFormat);
+                                        AssumedFileName, &Status);
   Replaces = Replaces.merge(FormatChanges);
   if (OutputXML) {
     outs() << "<?xml version='1.0'?>\n<replacements "
               "xml:space='preserve' incomplete_format='"
-           << (IncompleteFormat ? "true" : "false") << "'>\n";
+           << (Status.FormatComplete ? "false" : "true") << "'";
+    if (!Status.FormatComplete)
+      outs() << " line=" << Status.Line;
+    outs() << ">\n";
     if (Cursor.getNumOccurrences() != 0)
       outs() << "<cursor>"
              << FormatChanges.getShiftedCodePosition(CursorPosition)
@@ -307,11 +310,15 @@ static bool format(StringRef FileName) {
       if (Rewrite.overwriteChangedFiles())
         return true;
     } else {
-      if (Cursor.getNumOccurrences() != 0)
+      if (Cursor.getNumOccurrences() != 0) {
         outs() << "{ \"Cursor\": "
                << FormatChanges.getShiftedCodePosition(CursorPosition)
                << ", \"IncompleteFormat\": "
-               << (IncompleteFormat ? "true" : "false") << " }\n";
+               << (Status.FormatComplete ? "false" : "true");
+        if (!Status.FormatComplete)
+          outs() << ", \"Line\": " << Status.Line;
+        outs() << " }\n";
+      }
       Rewrite.getEditBuffer(ID).write(outs());
     }
   }
diff --git a/tools/clang-format/git-clang-format b/tools/clang-format/git-clang-format
index 74fd451a847b..3d1ba8a3c107 100755
--- a/tools/clang-format/git-clang-format
+++ b/tools/clang-format/git-clang-format
@@ -23,6 +23,7 @@ git clang-format -h
 Requires Python 2.7                                                              
 """               
 
+from __future__ import print_function
 import argparse
 import collections
 import contextlib
@@ -138,15 +139,15 @@ def main():
   if opts.verbose >= 1:
     ignored_files.difference_update(changed_lines)
     if ignored_files:
-      print 'Ignoring changes in the following files (wrong extension):'
+      print('Ignoring changes in the following files (wrong extension):')
       for filename in ignored_files:
-        print '   ', filename
+        print('    %s' % filename)
     if changed_lines:
-      print 'Running clang-format on the following files:'
+      print('Running clang-format on the following files:')
       for filename in changed_lines:
-        print '   ', filename
+        print('    %s' % filename)
   if not changed_lines:
-    print 'no modified files to format'
+    print('no modified files to format')
     return
   # The computed diff outputs absolute paths, so we must cd before accessing
   # those files.
@@ -163,20 +164,20 @@ def main():
                                                  binary=opts.binary,
                                                  style=opts.style)
   if opts.verbose >= 1:
-    print 'old tree:', old_tree
-    print 'new tree:', new_tree
+    print('old tree: %s' % old_tree)
+    print('new tree: %s' % new_tree)
   if old_tree == new_tree:
     if opts.verbose >= 0:
-      print 'clang-format did not modify any files'
+      print('clang-format did not modify any files')
   elif opts.diff:
     print_diff(old_tree, new_tree)
   else:
     changed_files = apply_changes(old_tree, new_tree, force=opts.force,
                                   patch_mode=opts.patch)
     if (opts.verbose >= 0 and not opts.patch) or opts.verbose >= 1:
-      print 'changed files:'
+      print('changed files:')
       for filename in changed_files:
-        print '   ', filename
+        print('    %s' % filename)
 
 
 def load_git_config(non_string_options=None):
@@ -320,7 +321,7 @@ def filter_by_extension(dictionary, allowed_extensions):
   `allowed_extensions` must be a collection of lowercase file extensions,
   excluding the period."""
   allowed_extensions = frozenset(allowed_extensions)
-  for filename in dictionary.keys():
+  for filename in list(dictionary.keys()):
     base_ext = filename.rsplit('.', 1)
     if len(base_ext) == 1 or base_ext[1].lower() not in allowed_extensions:
       del dictionary[filename]
@@ -344,8 +345,13 @@ def run_clang_format_and_save_to_tree(changed_lines, revision=None,
   """Run clang-format on each file and save the result to a git tree.
 
   Returns the object ID (SHA-1) of the created tree."""
+  def iteritems(container):
+      try:
+          return container.iteritems() # Python 2
+      except AttributeError:
+          return container.items() # Python 3
   def index_info_generator():
-    for filename, line_ranges in changed_lines.iteritems():
+    for filename, line_ranges in iteritems(changed_lines):
       if revision:
         git_metadata_cmd = ['git', 'ls-tree',
                             '%s:%s' % (revision, os.path.dirname(filename)),
@@ -356,6 +362,9 @@ def run_clang_format_and_save_to_tree(changed_lines, revision=None,
         mode = oct(int(stdout.split()[0], 8))
       else:
         mode = oct(os.stat(filename).st_mode)
+      # Adjust python3 octal format so that it matches what git expects
+      if mode.startswith('0o'):
+          mode = '0' + mode[2:]
       blob_id = clang_format_to_blob(filename, line_ranges,
                                      revision=revision,
                                      binary=binary,
@@ -488,10 +497,10 @@ def apply_changes(old_tree, new_tree, force=False, patch_mode=False):
   if not force:
     unstaged_files = run('git', 'diff-files', '--name-status', *changed_files)
     if unstaged_files:
-      print >>sys.stderr, ('The following files would be modified but '
-                           'have unstaged changes:')
-      print >>sys.stderr, unstaged_files
-      print >>sys.stderr, 'Please commit, stage, or stash them first.'
+      print('The following files would be modified but '
+                'have unstaged changes:', file=sys.stderr)
+      print(unstaged_files, file=sys.stderr)
+      print('Please commit, stage, or stash them first.', file=sys.stderr)
       sys.exit(2)
   if patch_mode:
     # In patch mode, we could just as well create an index from the new tree
@@ -521,20 +530,20 @@ def run(*args, **kwargs):
   if p.returncode == 0:
     if stderr:
       if verbose:
-        print >>sys.stderr, '`%s` printed to stderr:' % ' '.join(args)
-      print >>sys.stderr, stderr.rstrip()
+        print('`%s` printed to stderr:' % ' '.join(args), file=sys.stderr)
+      print(stderr.rstrip(), file=sys.stderr)
     if strip:
       stdout = stdout.rstrip('\r\n')
     return stdout
   if verbose:
-    print >>sys.stderr, '`%s` returned %s' % (' '.join(args), p.returncode)
+    print('`%s` returned %s' % (' '.join(args), p.returncode), file=sys.stderr)
   if stderr:
-    print >>sys.stderr, stderr.rstrip()
+    print(stderr.rstrip(), file=sys.stderr)
   sys.exit(2)
 
 
 def die(message):
-  print >>sys.stderr, 'error:', message
+  print('error:', message, file=sys.stderr)
   sys.exit(2)
 
 
diff --git a/tools/libclang/CXIndexDataConsumer.cpp b/tools/libclang/CXIndexDataConsumer.cpp
index 5d9776be3b6c..9cd5ff4f505f 100644
--- a/tools/libclang/CXIndexDataConsumer.cpp
+++ b/tools/libclang/CXIndexDataConsumer.cpp
@@ -1315,6 +1315,7 @@ static CXIdxEntityLanguage getEntityLangFromSymbolLang(SymbolLanguage L) {
   case SymbolLanguage::C: return CXIdxEntityLang_C;
   case SymbolLanguage::ObjC: return CXIdxEntityLang_ObjC;
   case SymbolLanguage::CXX: return CXIdxEntityLang_CXX;
+  case SymbolLanguage::Swift: return CXIdxEntityLang_Swift;
   }
   llvm_unreachable("invalid symbol language");
 }
diff --git a/tools/libclang/CXType.cpp b/tools/libclang/CXType.cpp
index 16e993e2ac01..fce7ef2c0d86 100644
--- a/tools/libclang/CXType.cpp
+++ b/tools/libclang/CXType.cpp
@@ -147,9 +147,6 @@ static inline CXTranslationUnit GetTU(CXType CT) {
 static Optional<ArrayRef<TemplateArgument>>
 GetTemplateArguments(QualType Type) {
   assert(!Type.isNull());
-  if (const auto *Specialization = Type->getAs<TemplateSpecializationType>())
-    return Specialization->template_arguments();
-
   if (const auto *RecordDecl = Type->getAsCXXRecordDecl()) {
     const auto *TemplateDecl =
       dyn_cast<ClassTemplateSpecializationDecl>(RecordDecl);
@@ -157,6 +154,9 @@ GetTemplateArguments(QualType Type) {
       return TemplateDecl->getTemplateArgs().asArray();
   }
 
+  if (const auto *Specialization = Type->getAs<TemplateSpecializationType>())
+    return Specialization->template_arguments();
+
   return None;
 }