1 files changed, 0 insertions, 103 deletions
diff --git a/utils/libcxx/sym_check/diff.py b/utils/libcxx/sym_check/diff.py
deleted file mode 100644
index 0821ef6f780a4..0000000000000
--- a/utils/libcxx/sym_check/diff.py
+++ /dev/null
@@ -1,103 +0,0 @@
-# -*- Python -*- vim: set syntax=python tabstop=4 expandtab cc=80:
-#===----------------------------------------------------------------------===##
-#
-#                     The LLVM Compiler Infrastructure
-#
-# This file is dual licensed under the MIT and the University of Illinois Open
-# Source Licenses. See LICENSE.TXT for details.
-#
-#===----------------------------------------------------------------------===##
-"""
-diff - A set of functions for diff-ing two symbol lists.
-"""
-
-from libcxx.sym_check import util
-
-
-def _symbol_difference(lhs, rhs):
-    lhs_names = set((n['name'] for n in lhs))
-    rhs_names = set((n['name'] for n in rhs))
-    diff_names = lhs_names - rhs_names
-    return [n for n in lhs if n['name'] in diff_names]
-
-
-def _find_by_key(sym_list, k):
-    for sym in sym_list:
-        if sym['name'] == k:
-            return sym
-    return None
-
-
-def added_symbols(old, new):
-    return _symbol_difference(new, old)
-
-
-def removed_symbols(old, new):
-    return _symbol_difference(old, new)
-
-
-def changed_symbols(old, new):
-    changed = []
-    for old_sym in old:
-        if old_sym in new:
-            continue
-        new_sym = _find_by_key(new, old_sym['name'])
-        if (new_sym is not None and not new_sym in old
-                and old_sym != new_sym):
-            changed += [(old_sym, new_sym)]
-    return changed
-
-
-def diff(old, new):
-    added = added_symbols(old, new)
-    removed = removed_symbols(old, new)
-    changed = changed_symbols(old, new)
-    return added, removed, changed
-
-
-def report_diff(added_syms, removed_syms, changed_syms, names_only=False,
-                demangle=True):
-    def maybe_demangle(name):
-        return util.demangle_symbol(name) if demangle else name
-
-    report = ''
-    for sym in added_syms:
-        report += 'Symbol added: %s\n' % maybe_demangle(sym['name'])
-        if not names_only:
-            report += '    %s\n\n' % sym
-    if added_syms and names_only:
-        report += '\n'
-    for sym in removed_syms:
-        report += 'SYMBOL REMOVED: %s\n' % maybe_demangle(sym['name'])
-        if not names_only:
-            report += '    %s\n\n' % sym
-    if removed_syms and names_only:
-        report += '\n'
-    if not names_only:
-        for sym_pair in changed_syms:
-            old_sym, new_sym = sym_pair
-            old_str = '\n    OLD SYMBOL: %s' % old_sym
-            new_str = '\n    NEW SYMBOL: %s' % new_sym
-            report += ('SYMBOL CHANGED: %s%s%s\n\n' %
-                       (maybe_demangle(old_sym['name']),
-                        old_str, new_str))
-
-    added = bool(len(added_syms) != 0)
-    abi_break = bool(len(removed_syms))
-    if not names_only:
-        abi_break = abi_break or len(changed_syms)
-    if added or abi_break:
-        report += 'Summary\n'
-        report += '    Added:   %d\n' % len(added_syms)
-        report += '    Removed: %d\n' % len(removed_syms)
-        if not names_only:
-            report += '    Changed: %d\n' % len(changed_syms)
-        if not abi_break:
-            report += 'Symbols added.'
-        else:
-            report += 'ABI BREAKAGE: SYMBOLS ADDED OR REMOVED!'
-    else:
-        report += 'Symbols match.'
-    is_different = abi_break or bool(len(added_syms)) \
-                   or bool(len(changed_syms))
-    return report, abi_break, is_different