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# Copyright 2013 The Servo Project Developers. See the COPYRIGHT
# file at the top-level directory of this distribution.
#
# Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
# http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
# <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
# option. This file may not be copied, modified, or distributed
# except according to those terms.
from __future__ import print_function, unicode_literals
import os
import os.path as path
import subprocess
from shutil import copytree, rmtree, copy2
from mach.registrar import Registrar
from mach.decorators import (
CommandArgument,
CommandProvider,
Command,
)
from servo.command_base import CommandBase
def read_file(filename, if_exists=False):
if if_exists and not path.exists(filename):
return None
with open(filename) as f:
return f.read()
@CommandProvider
class MachCommands(CommandBase):
@Command('run',
description='Run Servo',
category='post-build')
@CommandArgument('--release', '-r', action='store_true',
help='Run the release build')
@CommandArgument('--dev', '-d', action='store_true',
help='Run the dev build')
@CommandArgument('--debug', action='store_true',
help='Enable the debugger. Not specifying a '
'--debugger option will result in the default '
'debugger being used. The following arguments '
'have no effect without this.')
@CommandArgument('--debugger', default=None, type=str,
help='Name of debugger to use.')
@CommandArgument(
'params', nargs='...',
help="Command-line arguments to be passed through to Servo")
def run(self, params, release=False, dev=False, debug=False, debugger=None):
env = self.build_env()
env["RUST_BACKTRACE"] = "1"
args = [self.get_binary_path(release, dev)]
# Borrowed and modified from:
# http://hg.mozilla.org/mozilla-central/file/c9cfa9b91dea/python/mozbuild/mozbuild/mach_commands.py#l883
if debug:
import mozdebug
if not debugger:
# No debugger name was provided. Look for the default ones on
# current OS.
debugger = mozdebug.get_default_debugger_name(
mozdebug.DebuggerSearch.KeepLooking)
self.debuggerInfo = mozdebug.get_debugger_info(debugger)
if not self.debuggerInfo:
print("Could not find a suitable debugger in your PATH.")
return 1
# Prepend the debugger args.
args = ([self.debuggerInfo.path] + self.debuggerInfo.args +
args + params)
else:
args = args + params
try:
subprocess.check_call(args, env=env)
except OSError as e:
if e.errno == 2:
print("Servo Binary can't be found! Run './mach build'"
" and try again!")
else:
raise e
@Command('rr-record',
description='Run Servo whilst recording execution with rr',
category='post-build')
@CommandArgument('--release', '-r', action='store_true',
help='Use release build')
@CommandArgument('--dev', '-d', action='store_true',
help='Use dev build')
@CommandArgument(
'params', nargs='...',
help="Command-line arguments to be passed through to Servo")
def rr_record(self, release=False, dev=False, params=[]):
env = self.build_env()
env["RUST_BACKTRACE"] = "1"
servo_cmd = [self.get_binary_path(release, dev)] + params
rr_cmd = ['rr', '--fatal-errors', 'record']
try:
subprocess.check_call(rr_cmd + servo_cmd)
except OSError as e:
if e.errno == 2:
print("rr binary can't be found!")
else:
raise e
@Command('rr-replay',
description='Replay the most recent execution of Servo that was recorded with rr',
category='post-build')
def rr_replay(self):
try:
subprocess.check_call(['rr', '--fatal-errors', 'replay'])
except OSError as e:
if e.errno == 2:
print("rr binary can't be found!")
else:
raise e
@Command('doc',
description='Generate documentation',
category='post-build')
@CommandArgument(
'params', nargs='...',
help="Command-line arguments to be passed through to cargo doc")
def doc(self, params):
self.ensure_bootstrapped()
if not path.exists(path.join(self.config["tools"]["rust-root"], "doc")):
Registrar.dispatch("bootstrap-rust-docs", context=self.context)
rust_docs = path.join(self.config["tools"]["rust-root"], "doc")
docs = path.join(
self.context.topdir, "components", "servo", "target", "doc")
if not path.exists(docs):
os.makedirs(docs)
if read_file(path.join(docs, "version_info.html"), if_exists=True) != \
read_file(path.join(rust_docs, "version_info.html")):
print("Copying Rust documentation.")
# copytree doesn't like the destination already existing.
for name in os.listdir(rust_docs):
if not name.startswith('.'):
full_name = path.join(rust_docs, name)
destination = path.join(docs, name)
if path.isdir(full_name):
if path.exists(destination):
rmtree(destination)
copytree(full_name, destination)
else:
copy2(full_name, destination)
return subprocess.call(["cargo", "doc"] + params,
env=self.build_env(), cwd=self.servo_crate())
@Command('browse-doc',
description='Generate documentation and open it in a web browser',
category='post-build')
def serve_docs(self):
self.doc([])
import webbrowser
webbrowser.open("file://" + path.abspath(path.join(
self.servo_crate(), "target", "doc", "servo", "index.html")))
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