1 files changed, 271 insertions, 0 deletions
diff --git a/roms/u-boot/tools/patman/checkpatch.py b/roms/u-boot/tools/patman/checkpatch.py
new file mode 100644
index 000000000..8978df25c
--- /dev/null
+++ b/roms/u-boot/tools/patman/checkpatch.py
@@ -0,0 +1,271 @@
+# SPDX-License-Identifier: GPL-2.0+
+# Copyright (c) 2011 The Chromium OS Authors.
+#
+
+import collections
+import os
+import re
+import sys
+
+from patman import command
+from patman import gitutil
+from patman import terminal
+
+EMACS_PREFIX = r'(?:[0-9]{4}.*\.patch:[0-9]+: )?'
+TYPE_NAME = r'([A-Z_]+:)?'
+RE_ERROR = re.compile(r'ERROR:%s (.*)' % TYPE_NAME)
+RE_WARNING = re.compile(EMACS_PREFIX + r'WARNING:%s (.*)' % TYPE_NAME)
+RE_CHECK = re.compile(r'CHECK:%s (.*)' % TYPE_NAME)
+RE_FILE = re.compile(r'#(\d+): (FILE: ([^:]*):(\d+):)?')
+RE_NOTE = re.compile(r'NOTE: (.*)')
+
+
+def FindCheckPatch():
+    top_level = gitutil.GetTopLevel()
+    try_list = [
+        os.getcwd(),
+        os.path.join(os.getcwd(), '..', '..'),
+        os.path.join(top_level, 'tools'),
+        os.path.join(top_level, 'scripts'),
+        '%s/bin' % os.getenv('HOME'),
+        ]
+    # Look in current dir
+    for path in try_list:
+        fname = os.path.join(path, 'checkpatch.pl')
+        if os.path.isfile(fname):
+            return fname
+
+    # Look upwwards for a Chrome OS tree
+    while not os.path.ismount(path):
+        fname = os.path.join(path, 'src', 'third_party', 'kernel', 'files',
+                'scripts', 'checkpatch.pl')
+        if os.path.isfile(fname):
+            return fname
+        path = os.path.dirname(path)
+
+    sys.exit('Cannot find checkpatch.pl - please put it in your ' +
+             '~/bin directory or use --no-check')
+
+
+def CheckPatchParseOneMessage(message):
+    """Parse one checkpatch message
+
+    Args:
+        message: string to parse
+
+    Returns:
+        dict:
+            'type'; error or warning
+            'msg': text message
+            'file' : filename
+            'line': line number
+    """
+
+    if RE_NOTE.match(message):
+        return {}
+
+    item = {}
+
+    err_match = RE_ERROR.match(message)
+    warn_match = RE_WARNING.match(message)
+    check_match = RE_CHECK.match(message)
+    if err_match:
+        item['cptype'] = err_match.group(1)
+        item['msg'] = err_match.group(2)
+        item['type'] = 'error'
+    elif warn_match:
+        item['cptype'] = warn_match.group(1)
+        item['msg'] = warn_match.group(2)
+        item['type'] = 'warning'
+    elif check_match:
+        item['cptype'] = check_match.group(1)
+        item['msg'] = check_match.group(2)
+        item['type'] = 'check'
+    else:
+        message_indent = '    '
+        print('patman: failed to parse checkpatch message:\n%s' %
+              (message_indent + message.replace('\n', '\n' + message_indent)),
+              file=sys.stderr)
+        return {}
+
+    file_match = RE_FILE.search(message)
+    # some messages have no file, catch those here
+    no_file_match = any(s in message for s in [
+        '\nSubject:', 'Missing Signed-off-by: line(s)',
+        'does MAINTAINERS need updating'
+    ])
+
+    if file_match:
+        err_fname = file_match.group(3)
+        if err_fname:
+            item['file'] = err_fname
+            item['line'] = int(file_match.group(4))
+        else:
+            item['file'] = '<patch>'
+            item['line'] = int(file_match.group(1))
+    elif no_file_match:
+        item['file'] = '<patch>'
+    else:
+        message_indent = '    '
+        print('patman: failed to find file / line information:\n%s' %
+              (message_indent + message.replace('\n', '\n' + message_indent)),
+              file=sys.stderr)
+
+    return item
+
+
+def CheckPatchParse(checkpatch_output, verbose=False):
+    """Parse checkpatch.pl output
+
+    Args:
+        checkpatch_output: string to parse
+        verbose: True to print out every line of the checkpatch output as it is
+            parsed
+
+    Returns:
+        namedtuple containing:
+            ok: False=failure, True=ok
+            problems: List of problems, each a dict:
+                'type'; error or warning
+                'msg': text message
+                'file' : filename
+                'line': line number
+            errors: Number of errors
+            warnings: Number of warnings
+            checks: Number of checks
+            lines: Number of lines
+            stdout: checkpatch_output
+    """
+    fields = ['ok', 'problems', 'errors', 'warnings', 'checks', 'lines',
+              'stdout']
+    result = collections.namedtuple('CheckPatchResult', fields)
+    result.stdout = checkpatch_output
+    result.ok = False
+    result.errors, result.warnings, result.checks = 0, 0, 0
+    result.lines = 0
+    result.problems = []
+
+    # total: 0 errors, 0 warnings, 159 lines checked
+    # or:
+    # total: 0 errors, 2 warnings, 7 checks, 473 lines checked
+    emacs_stats = r'(?:[0-9]{4}.*\.patch )?'
+    re_stats = re.compile(emacs_stats +
+                          r'total: (\d+) errors, (\d+) warnings, (\d+)')
+    re_stats_full = re.compile(emacs_stats +
+                               r'total: (\d+) errors, (\d+) warnings, (\d+)'
+                               r' checks, (\d+)')
+    re_ok = re.compile(r'.*has no obvious style problems')
+    re_bad = re.compile(r'.*has style problems, please review')
+
+    # A blank line indicates the end of a message
+    for message in result.stdout.split('\n\n'):
+        if verbose:
+            print(message)
+
+        # either find stats, the verdict, or delegate
+        match = re_stats_full.match(message)
+        if not match:
+            match = re_stats.match(message)
+        if match:
+            result.errors = int(match.group(1))
+            result.warnings = int(match.group(2))
+            if len(match.groups()) == 4:
+                result.checks = int(match.group(3))
+                result.lines = int(match.group(4))
+            else:
+                result.lines = int(match.group(3))
+        elif re_ok.match(message):
+            result.ok = True
+        elif re_bad.match(message):
+            result.ok = False
+        else:
+            problem = CheckPatchParseOneMessage(message)
+            if problem:
+                result.problems.append(problem)
+
+    return result
+
+
+def CheckPatch(fname, verbose=False, show_types=False):
+    """Run checkpatch.pl on a file and parse the results.
+
+    Args:
+        fname: Filename to check
+        verbose: True to print out every line of the checkpatch output as it is
+            parsed
+        show_types: Tell checkpatch to show the type (number) of each message
+
+    Returns:
+        namedtuple containing:
+            ok: False=failure, True=ok
+            problems: List of problems, each a dict:
+                'type'; error or warning
+                'msg': text message
+                'file' : filename
+                'line': line number
+            errors: Number of errors
+            warnings: Number of warnings
+            checks: Number of checks
+            lines: Number of lines
+            stdout: Full output of checkpatch
+    """
+    chk = FindCheckPatch()
+    args = [chk, '--no-tree']
+    if show_types:
+        args.append('--show-types')
+    output = command.Output(*args, fname, raise_on_error=False)
+
+    return CheckPatchParse(output, verbose)
+
+
+def GetWarningMsg(col, msg_type, fname, line, msg):
+    '''Create a message for a given file/line
+
+    Args:
+        msg_type: Message type ('error' or 'warning')
+        fname: Filename which reports the problem
+        line: Line number where it was noticed
+        msg: Message to report
+    '''
+    if msg_type == 'warning':
+        msg_type = col.Color(col.YELLOW, msg_type)
+    elif msg_type == 'error':
+        msg_type = col.Color(col.RED, msg_type)
+    elif msg_type == 'check':
+        msg_type = col.Color(col.MAGENTA, msg_type)
+    line_str = '' if line is None else '%d' % line
+    return '%s:%s: %s: %s\n' % (fname, line_str, msg_type, msg)
+
+def CheckPatches(verbose, args):
+    '''Run the checkpatch.pl script on each patch'''
+    error_count, warning_count, check_count = 0, 0, 0
+    col = terminal.Color()
+
+    for fname in args:
+        result = CheckPatch(fname, verbose)
+        if not result.ok:
+            error_count += result.errors
+            warning_count += result.warnings
+            check_count += result.checks
+            print('%d errors, %d warnings, %d checks for %s:' % (result.errors,
+                    result.warnings, result.checks, col.Color(col.BLUE, fname)))
+            if (len(result.problems) != result.errors + result.warnings +
+                    result.checks):
+                print("Internal error: some problems lost")
+            for item in result.problems:
+                sys.stderr.write(
+                    GetWarningMsg(col, item.get('type', '<unknown>'),
+                        item.get('file', '<unknown>'),
+                        item.get('line', 0), item.get('msg', 'message')))
+            print
+            #print(stdout)
+    if error_count or warning_count or check_count:
+        str = 'checkpatch.pl found %d error(s), %d warning(s), %d checks(s)'
+        color = col.GREEN
+        if warning_count:
+            color = col.YELLOW
+        if error_count:
+            color = col.RED
+        print(col.Color(color, str % (error_count, warning_count, check_count)))
+        return False
+    return True