aelitashen updated this revision to Diff 273378.
aelitashen added a comment.
Herald added a project: clang.
Herald added a subscriber: cfe-commits.
Formatting the codes
Repository:
rG LLVM Github Monorepo
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D82477/new/
https://reviews.llvm.org/D82477
Files:
clang/tools/clang-format/git-clang-format
lldb/packages/Python/lldbsuite/test/tools/lldb-vscode/vscode.py
lldb/test/API/tools/lldb-vscode/module/Makefile
lldb/test/API/tools/lldb-vscode/module/TestVSCode_module.py
lldb/test/API/tools/lldb-vscode/module/main.cpp
lldb/tools/lldb-vscode/JSONUtils.cpp
lldb/tools/lldb-vscode/JSONUtils.h
lldb/tools/lldb-vscode/VSCode.cpp
lldb/tools/lldb-vscode/lldb-vscode.cpp
Index: lldb/tools/lldb-vscode/lldb-vscode.cpp
===================================================================
--- lldb/tools/lldb-vscode/lldb-vscode.cpp
+++ lldb/tools/lldb-vscode/lldb-vscode.cpp
@@ -39,6 +39,7 @@
#include <set>
#include <sstream>
#include <thread>
+#include <vector>
#include "llvm/ADT/ArrayRef.h"
#include "llvm/Option/Arg.h"
@@ -433,6 +434,30 @@
g_vsc.SendJSON(llvm::json::Value(std::move(bp_event)));
}
}
+ } else if (lldb::SBTarget::EventIsTargetEvent(event)) {
+ if (event_mask & lldb::SBTarget::eBroadcastBitModulesLoaded ||
+ event_mask & lldb::SBTarget::eBroadcastBitModulesUnloaded ||
+ event_mask & lldb::SBTarget::eBroadcastBitSymbolsLoaded) {
+ int num_modules = lldb::SBTarget::GetNumModulesFromEvent(event);
+ for (int i = 0; i < num_modules; i++) {
+ auto module = lldb::SBTarget::GetModuleAtIndexFromEvent(i, event);
+ auto module_event = CreateEventObject("module");
+ llvm::json::Value module_value = CreateModule(module);
+ llvm::json::Object body;
+ if (event_mask & lldb::SBTarget::eBroadcastBitModulesLoaded) {
+ body.try_emplace("reason", "new");
+ } else if (event_mask &
+ lldb::SBTarget::eBroadcastBitModulesUnloaded) {
+ body.try_emplace("reason", "removed");
+ } else if (event_mask &
+ lldb::SBTarget::eBroadcastBitSymbolsLoaded) {
+ body.try_emplace("reason", "changed");
+ }
+ body.try_emplace("module", module_value);
+ module_event.try_emplace("body", std::move(body));
+ g_vsc.SendJSON(llvm::json::Value(std::move(module_event)));
+ }
+ }
} else if (event.BroadcasterMatchesRef(g_vsc.broadcaster)) {
if (event_mask & eBroadcastBitStopEventThread) {
done = true;
Index: lldb/tools/lldb-vscode/VSCode.cpp
===================================================================
--- lldb/tools/lldb-vscode/VSCode.cpp
+++ lldb/tools/lldb-vscode/VSCode.cpp
@@ -354,6 +354,11 @@
lldb::SBTarget::eBroadcastBitBreakpointChanged);
listener.StartListeningForEvents(this->broadcaster,
eBroadcastBitStopEventThread);
+ listener.StartListeningForEvents(
+ this->target.GetBroadcaster(),
+ lldb::SBTarget::eBroadcastBitModulesLoaded |
+ lldb::SBTarget::eBroadcastBitModulesUnloaded |
+ lldb::SBTarget::eBroadcastBitSymbolsLoaded);
}
}
Index: lldb/tools/lldb-vscode/JSONUtils.h
===================================================================
--- lldb/tools/lldb-vscode/JSONUtils.h
+++ lldb/tools/lldb-vscode/JSONUtils.h
@@ -13,6 +13,7 @@
#include "llvm/ADT/StringRef.h"
#include "llvm/Support/JSON.h"
#include "VSCodeForward.h"
+#include "lldb/API/SBModule.h"
namespace lldb_vscode {
@@ -237,6 +238,16 @@
llvm::Optional<llvm::StringRef> request_path = llvm::None,
llvm::Optional<uint32_t> request_line = llvm::None);
+/// Converts Module Event to a Visual Studio Code "Module"
+///
+/// \param[in] module
+/// A LLDB module object to convert into a JSON value
+///
+/// \return
+/// A "Module" JSON object with that follows the formal JSON
+/// definition outlined by Microsoft.
+llvm::json::Value CreateModule(lldb::SBModule &module);
+
/// Create a "Event" JSON object using \a event_name as the event name
///
/// \param[in] event_name
Index: lldb/tools/lldb-vscode/JSONUtils.cpp
===================================================================
--- lldb/tools/lldb-vscode/JSONUtils.cpp
+++ lldb/tools/lldb-vscode/JSONUtils.cpp
@@ -327,6 +327,31 @@
return llvm::json::Value(std::move(object));
}
+llvm::json::Value CreateModule(lldb::SBModule &module) {
+ llvm::json::Object object;
+ if (!module.IsValid())
+ return llvm::json::Value(std::move(object));
+ object.try_emplace("id", std::string(module.GetUUIDString()));
+ object.try_emplace(
+ "name",
+ std::string(module.GetFileSpec().GetFilename()));
+ std::string module_path = std::string(module.GetFileSpec().GetDirectory()) +
+ "/" +
+ std::string(module.GetFileSpec().GetFilename());
+ object.try_emplace("path", module_path);
+ if (module.GetNumCompileUnits() > 0) {
+ object.try_emplace("symbolStatus", "Symbols loaded.");
+ std::string symbol_path =
+ std::string(module.GetSymbolFileSpec().GetDirectory()) + "/" +
+ std::string(module.GetSymbolFileSpec().GetFilename());
+ object.try_emplace("symbolFilePath", symbol_path);
+ }
+ std::string loaded_addr = std::to_string(
+ module.GetObjectFileHeaderAddress().GetLoadAddress(g_vsc.target));
+ object.try_emplace("addressRange", loaded_addr);
+ return llvm::json::Value(std::move(object));
+}
+
void AppendBreakpoint(lldb::SBBreakpoint &bp, llvm::json::Array &breakpoints,
llvm::Optional<llvm::StringRef> request_path,
llvm::Optional<uint32_t> request_line) {
Index: lldb/test/API/tools/lldb-vscode/module/main.cpp
===================================================================
--- /dev/null
+++ lldb/test/API/tools/lldb-vscode/module/main.cpp
@@ -0,0 +1,9 @@
+
+int multiply(int x, int y) {
+ return x * y; // breakpoint 1
+}
+
+int main(int argc, char const *argv[]) {
+ int result = multiply(argc, 20);
+ return result < 0;
+}
Index: lldb/test/API/tools/lldb-vscode/module/TestVSCode_module.py
===================================================================
--- /dev/null
+++ lldb/test/API/tools/lldb-vscode/module/TestVSCode_module.py
@@ -0,0 +1,30 @@
+"""
+Test lldb-vscode setBreakpoints request
+"""
+
+from __future__ import print_function
+
+import unittest2
+import vscode
+from lldbsuite.test.decorators import *
+from lldbsuite.test.lldbtest import *
+from lldbsuite.test import lldbutil
+import lldbvscode_testcase
+
+
+class TestVSCode_module(lldbvscode_testcase.VSCodeTestCaseBase):
+
+ mydir = TestBase.compute_mydir(__file__)
+
+ def test_modules_event(self):
+ program= self.getBuildArtifact("a.out")
+ self.build_and_launch(program)
+ source = "main.cpp"
+ breakpoint1_line = line_number(source, '// breakpoint 1')
+ lines = [breakpoint1_line]
+ breakpoint_ids = self.set_source_breakpoints(source, lines)
+ self.continue_to_breakpoints(breakpoint_ids)
+ self.assertTrue('a.out' in self.vscode.get_active_modules(),
+ 'Module: a.out is loaded')
+ self.assertTrue('symbolFilePath' in self.vscode.get_active_modules()['a.out'],
+ 'Symbol exists')
\ No newline at end of file
Index: lldb/test/API/tools/lldb-vscode/module/Makefile
===================================================================
--- /dev/null
+++ lldb/test/API/tools/lldb-vscode/module/Makefile
@@ -0,0 +1,3 @@
+CXX_SOURCES := main.cpp
+
+include Makefile.rules
Index: lldb/packages/Python/lldbsuite/test/tools/lldb-vscode/vscode.py
===================================================================
--- lldb/packages/Python/lldbsuite/test/tools/lldb-vscode/vscode.py
+++ lldb/packages/Python/lldbsuite/test/tools/lldb-vscode/vscode.py
@@ -112,6 +112,7 @@
self.initialize_body = None
self.thread_stop_reasons = {}
self.breakpoint_events = []
+ self.module_events = {}
self.sequence = 1
self.threads = None
self.recv_thread.start()
@@ -132,6 +133,9 @@
if command['seq'] != response['request_seq']:
raise ValueError('seq mismatch in response')
+ def get_active_modules(self):
+ return self.module_events
+
def get_output(self, category, timeout=0.0, clear=True):
self.output_condition.acquire()
output = None
@@ -208,6 +212,15 @@
self.breakpoint_events.append(packet)
# no need to add 'breakpoint' event packets to our packets list
return keepGoing
+ elif event == 'module':
+ reason = body['reason']
+ if (reason == 'new' or reason == 'changed'):
+ self.module_events[body['module']['name']] = body['module']
+ elif reason == 'removed':
+ if body['module']['name'] in self.module_events:
+ self.module_events.pop(body['module']['name'])
+ return keepGoing
+
elif packet_type == 'response':
if packet['command'] == 'disconnect':
keepGoing = False
Index: clang/tools/clang-format/git-clang-format
===================================================================
--- clang/tools/clang-format/git-clang-format
+++ clang/tools/clang-format/git-clang-format
@@ -1,585 +0,0 @@
-#!/usr/bin/env python
-#
-#===- git-clang-format - ClangFormat Git Integration ---------*- python -*--===#
-#
-# Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
-# See https://llvm.org/LICENSE.txt for license information.
-# SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
-#
-#===------------------------------------------------------------------------===#
-
-r"""
-clang-format git integration
-============================
-
-This file provides a clang-format integration for git. Put it somewhere in your
-path and ensure that it is executable. Then, "git clang-format" will invoke
-clang-format on the changes in current files or a specific commit.
-
-For further details, run:
-git clang-format -h
-
-Requires Python 2.7 or Python 3
-"""
-
-from __future__ import absolute_import, division, print_function
-import argparse
-import collections
-import contextlib
-import errno
-import os
-import re
-import subprocess
-import sys
-
-usage = 'git clang-format [OPTIONS] [<commit>] [<commit>] [--] [<file>...]'
-
-desc = '''
-If zero or one commits are given, run clang-format on all lines that differ
-between the working directory and <commit>, which defaults to HEAD. Changes are
-only applied to the working directory.
-
-If two commits are given (requires --diff), run clang-format on all lines in the
-second <commit> that differ from the first <commit>.
-
-The following git-config settings set the default of the corresponding option:
- clangFormat.binary
- clangFormat.commit
- clangFormat.extensions
- clangFormat.style
-'''
-
-# Name of the temporary index file in which save the output of clang-format.
-# This file is created within the .git directory.
-temp_index_basename = 'clang-format-index'
-
-
-Range = collections.namedtuple('Range', 'start, count')
-
-
-def main():
- config = load_git_config()
-
- # In order to keep '--' yet allow options after positionals, we need to
- # check for '--' ourselves. (Setting nargs='*' throws away the '--', while
- # nargs=argparse.REMAINDER disallows options after positionals.)
- argv = sys.argv[1:]
- try:
- idx = argv.index('--')
- except ValueError:
- dash_dash = []
- else:
- dash_dash = argv[idx:]
- argv = argv[:idx]
-
- default_extensions = ','.join([
- # From clang/lib/Frontend/FrontendOptions.cpp, all lower case
- 'c', 'h', # C
- 'm', # ObjC
- 'mm', # ObjC++
- 'cc', 'cp', 'cpp', 'c++', 'cxx', 'hh', 'hpp', 'hxx', # C++
- 'cu', # CUDA
- # Other languages that clang-format supports
- 'proto', 'protodevel', # Protocol Buffers
- 'java', # Java
- 'js', # JavaScript
- 'ts', # TypeScript
- 'cs', # C Sharp
- ])
-
- p = argparse.ArgumentParser(
- usage=usage, formatter_class=argparse.RawDescriptionHelpFormatter,
- description=desc)
- p.add_argument('--binary',
- default=config.get('clangformat.binary', 'clang-format'),
- help='path to clang-format'),
- p.add_argument('--commit',
- default=config.get('clangformat.commit', 'HEAD'),
- help='default commit to use if none is specified'),
- p.add_argument('--diff', action='store_true',
- help='print a diff instead of applying the changes')
- p.add_argument('--extensions',
- default=config.get('clangformat.extensions',
- default_extensions),
- help=('comma-separated list of file extensions to format, '
- 'excluding the period and case-insensitive')),
- p.add_argument('-f', '--force', action='store_true',
- help='allow changes to unstaged files')
- p.add_argument('-p', '--patch', action='store_true',
- help='select hunks interactively')
- p.add_argument('-q', '--quiet', action='count', default=0,
- help='print less information')
- p.add_argument('--style',
- default=config.get('clangformat.style', None),
- help='passed to clang-format'),
- p.add_argument('-v', '--verbose', action='count', default=0,
- help='print extra information')
- # We gather all the remaining positional arguments into 'args' since we need
- # to use some heuristics to determine whether or not <commit> was present.
- # However, to print pretty messages, we make use of metavar and help.
- p.add_argument('args', nargs='*', metavar='<commit>',
- help='revision from which to compute the diff')
- p.add_argument('ignored', nargs='*', metavar='<file>...',
- help='if specified, only consider differences in these files')
- opts = p.parse_args(argv)
-
- opts.verbose -= opts.quiet
- del opts.quiet
-
- commits, files = interpret_args(opts.args, dash_dash, opts.commit)
- if len(commits) > 1:
- if not opts.diff:
- die('--diff is required when two commits are given')
- else:
- if len(commits) > 2:
- die('at most two commits allowed; %d given' % len(commits))
- changed_lines = compute_diff_and_extract_lines(commits, files)
- if opts.verbose >= 1:
- ignored_files = set(changed_lines)
- filter_by_extension(changed_lines, opts.extensions.lower().split(','))
- if opts.verbose >= 1:
- ignored_files.difference_update(changed_lines)
- if ignored_files:
- print('Ignoring changes in the following files (wrong extension):')
- for filename in ignored_files:
- print(' %s' % filename)
- if changed_lines:
- print('Running clang-format on the following files:')
- for filename in changed_lines:
- print(' %s' % filename)
- if not changed_lines:
- print('no modified files to format')
- return
- # The computed diff outputs absolute paths, so we must cd before accessing
- # those files.
- cd_to_toplevel()
- if len(commits) > 1:
- old_tree = commits[1]
- new_tree = run_clang_format_and_save_to_tree(changed_lines,
- revision=commits[1],
- binary=opts.binary,
- style=opts.style)
- else:
- old_tree = create_tree_from_workdir(changed_lines)
- new_tree = run_clang_format_and_save_to_tree(changed_lines,
- binary=opts.binary,
- style=opts.style)
- if opts.verbose >= 1:
- 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')
- 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:')
- for filename in changed_files:
- print(' %s' % filename)
-
-
-def load_git_config(non_string_options=None):
- """Return the git configuration as a dictionary.
-
- All options are assumed to be strings unless in `non_string_options`, in which
- is a dictionary mapping option name (in lower case) to either "--bool" or
- "--int"."""
- if non_string_options is None:
- non_string_options = {}
- out = {}
- for entry in run('git', 'config', '--list', '--null').split('\0'):
- if entry:
- if '\n' in entry:
- name, value = entry.split('\n', 1)
- else:
- # A setting with no '=' ('\n' with --null) is implicitly 'true'
- name = entry
- value = 'true'
- if name in non_string_options:
- value = run('git', 'config', non_string_options[name], name)
- out[name] = value
- return out
-
-
-def interpret_args(args, dash_dash, default_commit):
- """Interpret `args` as "[commits] [--] [files]" and return (commits, files).
-
- It is assumed that "--" and everything that follows has been removed from
- args and placed in `dash_dash`.
-
- If "--" is present (i.e., `dash_dash` is non-empty), the arguments to its
- left (if present) are taken as commits. Otherwise, the arguments are checked
- from left to right if they are commits or files. If commits are not given,
- a list with `default_commit` is used."""
- if dash_dash:
- if len(args) == 0:
- commits = [default_commit]
- else:
- commits = args
- for commit in commits:
- object_type = get_object_type(commit)
- if object_type not in ('commit', 'tag'):
- if object_type is None:
- die("'%s' is not a commit" % commit)
- else:
- die("'%s' is a %s, but a commit was expected" % (commit, object_type))
- files = dash_dash[1:]
- elif args:
- commits = []
- while args:
- if not disambiguate_revision(args[0]):
- break
- commits.append(args.pop(0))
- if not commits:
- commits = [default_commit]
- files = args
- else:
- commits = [default_commit]
- files = []
- return commits, files
-
-
-def disambiguate_revision(value):
- """Returns True if `value` is a revision, False if it is a file, or dies."""
- # If `value` is ambiguous (neither a commit nor a file), the following
- # command will die with an appropriate error message.
- run('git', 'rev-parse', value, verbose=False)
- object_type = get_object_type(value)
- if object_type is None:
- return False
- if object_type in ('commit', 'tag'):
- return True
- die('`%s` is a %s, but a commit or filename was expected' %
- (value, object_type))
-
-
-def get_object_type(value):
- """Returns a string description of an object's type, or None if it is not
- a valid git object."""
- cmd = ['git', 'cat-file', '-t', value]
- p = subprocess.Popen(cmd, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
- stdout, stderr = p.communicate()
- if p.returncode != 0:
- return None
- return convert_string(stdout.strip())
-
-
-def compute_diff_and_extract_lines(commits, files):
- """Calls compute_diff() followed by extract_lines()."""
- diff_process = compute_diff(commits, files)
- changed_lines = extract_lines(diff_process.stdout)
- diff_process.stdout.close()
- diff_process.wait()
- if diff_process.returncode != 0:
- # Assume error was already printed to stderr.
- sys.exit(2)
- return changed_lines
-
-
-def compute_diff(commits, files):
- """Return a subprocess object producing the diff from `commits`.
-
- The return value's `stdin` file object will produce a patch with the
- differences between the working directory and the first commit if a single
- one was specified, or the difference between both specified commits, filtered
- on `files` (if non-empty). Zero context lines are used in the patch."""
- git_tool = 'diff-index'
- if len(commits) > 1:
- git_tool = 'diff-tree'
- cmd = ['git', git_tool, '-p', '-U0'] + commits + ['--']
- cmd.extend(files)
- p = subprocess.Popen(cmd, stdin=subprocess.PIPE, stdout=subprocess.PIPE)
- p.stdin.close()
- return p
-
-
-def extract_lines(patch_file):
- """Extract the changed lines in `patch_file`.
-
- The return value is a dictionary mapping filename to a list of (start_line,
- line_count) pairs.
-
- The input must have been produced with ``-U0``, meaning unidiff format with
- zero lines of context. The return value is a dict mapping filename to a
- list of line `Range`s."""
- matches = {}
- for line in patch_file:
- line = convert_string(line)
- match = re.search(r'^\+\+\+\ [^/]+/(.*)', line)
- if match:
- filename = match.group(1).rstrip('\r\n')
- match = re.search(r'^@@ -[0-9,]+ \+(\d+)(,(\d+))?', line)
- if match:
- start_line = int(match.group(1))
- line_count = 1
- if match.group(3):
- line_count = int(match.group(3))
- if line_count > 0:
- matches.setdefault(filename, []).append(Range(start_line, line_count))
- return matches
-
-
-def filter_by_extension(dictionary, allowed_extensions):
- """Delete every key in `dictionary` that doesn't have an allowed extension.
-
- `allowed_extensions` must be a collection of lowercase file extensions,
- excluding the period."""
- allowed_extensions = frozenset(allowed_extensions)
- for filename in list(dictionary.keys()):
- base_ext = filename.rsplit('.', 1)
- if len(base_ext) == 1 and '' in allowed_extensions:
- continue
- if len(base_ext) == 1 or base_ext[1].lower() not in allowed_extensions:
- del dictionary[filename]
-
-
-def cd_to_toplevel():
- """Change to the top level of the git repository."""
- toplevel = run('git', 'rev-parse', '--show-toplevel')
- os.chdir(toplevel)
-
-
-def create_tree_from_workdir(filenames):
- """Create a new git tree with the given files from the working directory.
-
- Returns the object ID (SHA-1) of the created tree."""
- return create_tree(filenames, '--stdin')
-
-
-def run_clang_format_and_save_to_tree(changed_lines, revision=None,
- binary='clang-format', style=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 iteritems(changed_lines):
- if revision:
- git_metadata_cmd = ['git', 'ls-tree',
- '%s:%s' % (revision, os.path.dirname(filename)),
- os.path.basename(filename)]
- git_metadata = subprocess.Popen(git_metadata_cmd, stdin=subprocess.PIPE,
- stdout=subprocess.PIPE)
- stdout = git_metadata.communicate()[0]
- 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,
- style=style)
- yield '%s %s\t%s' % (mode, blob_id, filename)
- return create_tree(index_info_generator(), '--index-info')
-
-
-def create_tree(input_lines, mode):
- """Create a tree object from the given input.
-
- If mode is '--stdin', it must be a list of filenames. If mode is
- '--index-info' is must be a list of values suitable for "git update-index
- --index-info", such as "<mode> <SP> <sha1> <TAB> <filename>". Any other mode
- is invalid."""
- assert mode in ('--stdin', '--index-info')
- cmd = ['git', 'update-index', '--add', '-z', mode]
- with temporary_index_file():
- p = subprocess.Popen(cmd, stdin=subprocess.PIPE)
- for line in input_lines:
- p.stdin.write(to_bytes('%s\0' % line))
- p.stdin.close()
- if p.wait() != 0:
- die('`%s` failed' % ' '.join(cmd))
- tree_id = run('git', 'write-tree')
- return tree_id
-
-
-def clang_format_to_blob(filename, line_ranges, revision=None,
- binary='clang-format', style=None):
- """Run clang-format on the given file and save the result to a git blob.
-
- Runs on the file in `revision` if not None, or on the file in the working
- directory if `revision` is None.
-
- Returns the object ID (SHA-1) of the created blob."""
- clang_format_cmd = [binary]
- if style:
- clang_format_cmd.extend(['-style='+style])
- clang_format_cmd.extend([
- '-lines=%s:%s' % (start_line, start_line+line_count-1)
- for start_line, line_count in line_ranges])
- if revision:
- clang_format_cmd.extend(['-assume-filename='+filename])
- git_show_cmd = ['git', 'cat-file', 'blob', '%s:%s' % (revision, filename)]
- git_show = subprocess.Popen(git_show_cmd, stdin=subprocess.PIPE,
- stdout=subprocess.PIPE)
- git_show.stdin.close()
- clang_format_stdin = git_show.stdout
- else:
- clang_format_cmd.extend([filename])
- git_show = None
- clang_format_stdin = subprocess.PIPE
- try:
- clang_format = subprocess.Popen(clang_format_cmd, stdin=clang_format_stdin,
- stdout=subprocess.PIPE)
- if clang_format_stdin == subprocess.PIPE:
- clang_format_stdin = clang_format.stdin
- except OSError as e:
- if e.errno == errno.ENOENT:
- die('cannot find executable "%s"' % binary)
- else:
- raise
- clang_format_stdin.close()
- hash_object_cmd = ['git', 'hash-object', '-w', '--path='+filename, '--stdin']
- hash_object = subprocess.Popen(hash_object_cmd, stdin=clang_format.stdout,
- stdout=subprocess.PIPE)
- clang_format.stdout.close()
- stdout = hash_object.communicate()[0]
- if hash_object.returncode != 0:
- die('`%s` failed' % ' '.join(hash_object_cmd))
- if clang_format.wait() != 0:
- die('`%s` failed' % ' '.join(clang_format_cmd))
- if git_show and git_show.wait() != 0:
- die('`%s` failed' % ' '.join(git_show_cmd))
- return convert_string(stdout).rstrip('\r\n')
-
-
[email protected]
-def temporary_index_file(tree=None):
- """Context manager for setting GIT_INDEX_FILE to a temporary file and deleting
- the file afterward."""
- index_path = create_temporary_index(tree)
- old_index_path = os.environ.get('GIT_INDEX_FILE')
- os.environ['GIT_INDEX_FILE'] = index_path
- try:
- yield
- finally:
- if old_index_path is None:
- del os.environ['GIT_INDEX_FILE']
- else:
- os.environ['GIT_INDEX_FILE'] = old_index_path
- os.remove(index_path)
-
-
-def create_temporary_index(tree=None):
- """Create a temporary index file and return the created file's path.
-
- If `tree` is not None, use that as the tree to read in. Otherwise, an
- empty index is created."""
- gitdir = run('git', 'rev-parse', '--git-dir')
- path = os.path.join(gitdir, temp_index_basename)
- if tree is None:
- tree = '--empty'
- run('git', 'read-tree', '--index-output='+path, tree)
- return path
-
-
-def print_diff(old_tree, new_tree):
- """Print the diff between the two trees to stdout."""
- # We use the porcelain 'diff' and not plumbing 'diff-tree' because the output
- # is expected to be viewed by the user, and only the former does nice things
- # like color and pagination.
- #
- # We also only print modified files since `new_tree` only contains the files
- # that were modified, so unmodified files would show as deleted without the
- # filter.
- subprocess.check_call(['git', 'diff', '--diff-filter=M', old_tree, new_tree,
- '--'])
-
-
-def apply_changes(old_tree, new_tree, force=False, patch_mode=False):
- """Apply the changes in `new_tree` to the working directory.
-
- Bails if there are local changes in those files and not `force`. If
- `patch_mode`, runs `git checkout --patch` to select hunks interactively."""
- changed_files = run('git', 'diff-tree', '--diff-filter=M', '-r', '-z',
- '--name-only', old_tree,
- new_tree).rstrip('\0').split('\0')
- if not force:
- unstaged_files = run('git', 'diff-files', '--name-status', *changed_files)
- if unstaged_files:
- 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
- # and checkout from that, but then the user will be presented with a
- # message saying "Discard ... from worktree". Instead, we use the old
- # tree as the index and checkout from new_tree, which gives the slightly
- # better message, "Apply ... to index and worktree". This is not quite
- # right, since it won't be applied to the user's index, but oh well.
- with temporary_index_file(old_tree):
- subprocess.check_call(['git', 'checkout', '--patch', new_tree])
- index_tree = old_tree
- else:
- with temporary_index_file(new_tree):
- run('git', 'checkout-index', '-a', '-f')
- return changed_files
-
-
-def run(*args, **kwargs):
- stdin = kwargs.pop('stdin', '')
- verbose = kwargs.pop('verbose', True)
- strip = kwargs.pop('strip', True)
- for name in kwargs:
- raise TypeError("run() got an unexpected keyword argument '%s'" % name)
- p = subprocess.Popen(args, stdout=subprocess.PIPE, stderr=subprocess.PIPE,
- stdin=subprocess.PIPE)
- stdout, stderr = p.communicate(input=stdin)
-
- stdout = convert_string(stdout)
- stderr = convert_string(stderr)
-
- if p.returncode == 0:
- if stderr:
- if verbose:
- 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('`%s` returned %s' % (' '.join(args), p.returncode), file=sys.stderr)
- if stderr:
- print(stderr.rstrip(), file=sys.stderr)
- sys.exit(2)
-
-
-def die(message):
- print('error:', message, file=sys.stderr)
- sys.exit(2)
-
-
-def to_bytes(str_input):
- # Encode to UTF-8 to get binary data.
- if isinstance(str_input, bytes):
- return str_input
- return str_input.encode('utf-8')
-
-
-def to_string(bytes_input):
- if isinstance(bytes_input, str):
- return bytes_input
- return bytes_input.encode('utf-8')
-
-
-def convert_string(bytes_input):
- try:
- return to_string(bytes_input.decode('utf-8'))
- except AttributeError: # 'str' object has no attribute 'decode'.
- return str(bytes_input)
- except UnicodeError:
- return str(bytes_input)
-
-if __name__ == '__main__':
- main()
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