mirror of
https://github.com/Mbed-TLS/mbedtls.git
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Move files out of Mbed TLS
Signed-off-by: Elena Uziunaite <elena.uziunaite@arm.com>
This commit is contained in:
Elena Uziunaite
parent
08909c94b9
commit
f0c2a09f9e
@ -1,279 +0,0 @@
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#!/usr/bin/env python3
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"""Check or fix the code style by running Uncrustify.
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This script must be run from the root of a Git work tree containing Mbed TLS.
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"""
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# Copyright The Mbed TLS Contributors
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# SPDX-License-Identifier: Apache-2.0 OR GPL-2.0-or-later
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import argparse
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import os
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import re
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import subprocess
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import sys
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from typing import FrozenSet, List, Optional
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UNCRUSTIFY_SUPPORTED_VERSION = "0.75.1"
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CONFIG_FILE = ".uncrustify.cfg"
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UNCRUSTIFY_EXE = "uncrustify"
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UNCRUSTIFY_ARGS = ["-c", CONFIG_FILE]
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CHECK_GENERATED_FILES = "tests/scripts/check-generated-files.sh"
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def print_err(*args):
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print("Error: ", *args, file=sys.stderr)
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# Print the file names that will be skipped and the help message
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def print_skip(files_to_skip):
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print()
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print(*files_to_skip, sep=", SKIP\n", end=", SKIP\n")
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print("Warning: The listed files will be skipped because\n"
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"they are not known to git.")
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print()
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# Match FILENAME(s) in "check SCRIPT (FILENAME...)"
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CHECK_CALL_RE = re.compile(r"\n\s*check\s+[^\s#$&*?;|]+([^\n#$&*?;|]+)",
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re.ASCII)
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def list_generated_files() -> FrozenSet[str]:
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"""Return the names of generated files.
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We don't reformat generated files, since the result might be different
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from the output of the generator. Ideally the result of the generator
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would conform to the code style, but this would be difficult, especially
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with respect to the placement of line breaks in long logical lines.
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"""
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# Parse check-generated-files.sh to get an up-to-date list of
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# generated files. Read the file rather than calling it so that
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# this script only depends on Git, Python and uncrustify, and not other
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# tools such as sh or grep which might not be available on Windows.
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# This introduces a limitation: check-generated-files.sh must have
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# the expected format and must list the files explicitly, not through
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# wildcards or command substitution.
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content = open(CHECK_GENERATED_FILES, encoding="utf-8").read()
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checks = re.findall(CHECK_CALL_RE, content)
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return frozenset(word for s in checks for word in s.split())
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# Check for comment string indicating an auto-generated file
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AUTOGEN_RE = re.compile(r"Warning[ :-]+This file is (now )?auto[ -]?generated",
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re.ASCII | re.IGNORECASE)
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def is_file_autogenerated(filename):
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content = open(filename, encoding="utf-8").read()
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return AUTOGEN_RE.search(content) is not None
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def get_src_files(since: Optional[str]) -> List[str]:
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"""
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Use git to get a list of the source files.
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The optional argument since is a commit, indicating to only list files
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that have changed since that commit. Without this argument, list all
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files known to git.
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Only C files are included, and certain files (generated, or third party)
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are excluded.
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"""
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file_patterns = ["*.[hc]",
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"tests/suites/*.function",
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"tf-psa-crypto/tests/suites/*.function",
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"scripts/data_files/*.fmt"]
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output = subprocess.check_output(["git", "ls-files"] + file_patterns,
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universal_newlines=True)
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src_files = output.split()
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# When this script is called from a git hook, some environment variables
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# are set by default which force all git commands to use the main repository
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# (i.e. prevent us from performing commands on the framework repo).
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# Create an environment without these variables for running commands on the
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# framework repo.
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framework_env = os.environ.copy()
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# Get a list of environment vars that git sets
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git_env_vars = subprocess.check_output(["git", "rev-parse", "--local-env-vars"],
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universal_newlines=True)
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# Remove the vars from the environment
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for var in git_env_vars.split():
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framework_env.pop(var, None)
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output = subprocess.check_output(["git", "-C", "framework", "ls-files"]
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+ file_patterns,
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universal_newlines=True,
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env=framework_env)
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framework_src_files = output.split()
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if since:
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# get all files changed in commits since the starting point in ...
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# ... the main repository
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cmd = ["git", "log", since + "..HEAD", "--ignore-submodules",
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"--name-only", "--pretty=", "--"] + src_files
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output = subprocess.check_output(cmd, universal_newlines=True)
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committed_changed_files = output.split()
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# ... the framework submodule
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framework_since = get_submodule_hash(since, "framework")
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cmd = ["git", "-C", "framework", "log", framework_since + "..HEAD",
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"--name-only", "--pretty=", "--"] + framework_src_files
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output = subprocess.check_output(cmd, universal_newlines=True,
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env=framework_env)
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committed_changed_files += ["framework/" + s for s in output.split()]
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# and also get all files with uncommitted changes in ...
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# ... the main repository
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cmd = ["git", "diff", "--name-only", "--"] + src_files
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output = subprocess.check_output(cmd, universal_newlines=True)
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uncommitted_changed_files = output.split()
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# ... the framework submodule
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cmd = ["git", "-C", "framework", "diff", "--name-only", "--"] + \
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framework_src_files
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output = subprocess.check_output(cmd, universal_newlines=True,
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env=framework_env)
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uncommitted_changed_files += ["framework/" + s for s in output.split()]
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src_files = committed_changed_files + uncommitted_changed_files
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else:
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src_files += ["framework/" + s for s in framework_src_files]
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generated_files = list_generated_files()
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# Don't correct style for third-party files (and, for simplicity,
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# companion files in the same subtree), or for automatically
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# generated files (we're correcting the templates instead).
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src_files = [filename for filename in src_files
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if not (filename.startswith("tf-psa-crypto/drivers/everest/") or
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filename.startswith("tf-psa-crypto/drivers/p256-m/") or
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filename in generated_files or
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is_file_autogenerated(filename))]
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return src_files
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def get_submodule_hash(commit: str, submodule: str) -> str:
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"""Get the commit hash of a submodule at a given commit in the Git repository."""
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cmd = ["git", "ls-tree", commit, submodule]
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output = subprocess.check_output(cmd, universal_newlines=True)
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return output.split()[2]
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def get_uncrustify_version() -> str:
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"""
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Get the version string from Uncrustify
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"""
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result = subprocess.run([UNCRUSTIFY_EXE, "--version"],
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stdout=subprocess.PIPE, stderr=subprocess.PIPE,
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check=False)
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if result.returncode != 0:
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print_err("Could not get Uncrustify version:", str(result.stderr, "utf-8"))
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return ""
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else:
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return str(result.stdout, "utf-8")
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def check_style_is_correct(src_file_list: List[str]) -> bool:
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"""
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Check the code style and output a diff for each file whose style is
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incorrect.
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"""
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style_correct = True
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for src_file in src_file_list:
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uncrustify_cmd = [UNCRUSTIFY_EXE] + UNCRUSTIFY_ARGS + [src_file]
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result = subprocess.run(uncrustify_cmd, stdout=subprocess.PIPE,
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stderr=subprocess.PIPE, check=False)
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if result.returncode != 0:
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print_err("Uncrustify returned " + str(result.returncode) +
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" correcting file " + src_file)
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return False
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# Uncrustify makes changes to the code and places the result in a new
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# file with the extension ".uncrustify". To get the changes (if any)
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# simply diff the 2 files.
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diff_cmd = ["diff", "-u", src_file, src_file + ".uncrustify"]
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cp = subprocess.run(diff_cmd, check=False)
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if cp.returncode == 1:
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print(src_file + " changed - code style is incorrect.")
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style_correct = False
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elif cp.returncode != 0:
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raise subprocess.CalledProcessError(cp.returncode, cp.args,
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cp.stdout, cp.stderr)
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# Tidy up artifact
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os.remove(src_file + ".uncrustify")
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return style_correct
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def fix_style_single_pass(src_file_list: List[str]) -> bool:
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"""
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Run Uncrustify once over the source files.
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"""
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code_change_args = UNCRUSTIFY_ARGS + ["--no-backup"]
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for src_file in src_file_list:
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uncrustify_cmd = [UNCRUSTIFY_EXE] + code_change_args + [src_file]
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result = subprocess.run(uncrustify_cmd, check=False)
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if result.returncode != 0:
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print_err("Uncrustify with file returned: " +
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str(result.returncode) + " correcting file " +
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src_file)
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return False
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return True
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def fix_style(src_file_list: List[str]) -> int:
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"""
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Fix the code style. This takes 2 passes of Uncrustify.
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"""
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if not fix_style_single_pass(src_file_list):
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return 1
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if not fix_style_single_pass(src_file_list):
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return 1
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# Guard against future changes that cause the codebase to require
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# more passes.
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if not check_style_is_correct(src_file_list):
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print_err("Code style still incorrect after second run of Uncrustify.")
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return 1
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else:
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return 0
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def main() -> int:
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"""
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Main with command line arguments.
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"""
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uncrustify_version = get_uncrustify_version().strip()
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if UNCRUSTIFY_SUPPORTED_VERSION not in uncrustify_version:
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print("Warning: Using unsupported Uncrustify version '" +
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uncrustify_version + "'")
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print("Note: The only supported version is " +
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UNCRUSTIFY_SUPPORTED_VERSION)
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parser = argparse.ArgumentParser()
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parser.add_argument('-f', '--fix', action='store_true',
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help=('modify source files to fix the code style '
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'(default: print diff, do not modify files)'))
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parser.add_argument('-s', '--since', metavar='COMMIT', const='development', nargs='?',
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help=('only check files modified since the specified commit'
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' (e.g. --since=HEAD~3 or --since=development). If no'
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' commit is specified, default to development.'))
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# --subset is almost useless: it only matters if there are no files
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# ('code_style.py' without arguments checks all files known to Git,
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# 'code_style.py --subset' does nothing). In particular,
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# 'code_style.py --fix --subset ...' is intended as a stable ("porcelain")
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# way to restyle a possibly empty set of files.
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parser.add_argument('--subset', action='store_true',
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help='only check the specified files (default with non-option arguments)')
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parser.add_argument('operands', nargs='*', metavar='FILE',
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help='files to check (files MUST be known to git, if none: check all)')
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args = parser.parse_args()
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covered = frozenset(get_src_files(args.since))
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# We only check files that are known to git
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if args.subset or args.operands:
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src_files = [f for f in args.operands if f in covered]
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skip_src_files = [f for f in args.operands if f not in covered]
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if skip_src_files:
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print_skip(skip_src_files)
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else:
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src_files = list(covered)
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if args.fix:
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# Fix mode
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return fix_style(src_files)
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else:
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# Check mode
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if check_style_is_correct(src_files):
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print("Checked {} files, style ok.".format(len(src_files)))
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return 0
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else:
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return 1
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if __name__ == '__main__':
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sys.exit(main())
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