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#!/usr/bin/env python
#
# Copyright 2016 the V8 project authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
import os
import os.path as path
import generate_protocol_externs
import re
import subprocess
import sys
if len(sys.argv) == 2 and sys.argv[1] == '--help':
print("Usage: %s" % path.basename(sys.argv[0]))
sys.exit(0)
java_required_major = 1
java_required_minor = 7
v8_inspector_path = path.dirname(path.dirname(path.abspath(__file__)))
protocol_externs_file = path.join(v8_inspector_path, 'protocol_externs.js')
injected_script_source_name = path.join(v8_inspector_path,
'injected-script-source.js')
injected_script_externs_file = path.join(v8_inspector_path,
'injected_script_externs.js')
generate_protocol_externs.generate_protocol_externs(protocol_externs_file,
path.join(v8_inspector_path, 'js_protocol.json'))
error_warning_regex = re.compile(r'WARNING|ERROR')
closure_compiler_jar = path.join(v8_inspector_path, 'build',
'closure-compiler', 'closure-compiler.jar')
common_closure_args = [
'--checks_only',
'--warning_level', 'VERBOSE'
]
# Error reporting and checking.
errors_found = False
def popen(arguments):
return subprocess.Popen(arguments, stdout=subprocess.PIPE,
stderr=subprocess.STDOUT)
def error_excepthook(exctype, value, traceback):
print 'ERROR:'
sys.__excepthook__(exctype, value, traceback)
sys.excepthook = error_excepthook
def has_errors(output):
return re.search(error_warning_regex, output) != None
# Find java. Based on
# http://stackoverflow.com/questions/377017/test-if-executable-exists-in-python.
def which(program):
def is_exe(fpath):
return path.isfile(fpath) and os.access(fpath, os.X_OK)
fpath, fname = path.split(program)
if fpath:
if is_exe(program):
return program
else:
for part in os.environ['PATH'].split(os.pathsep):
part = part.strip('"')
exe_file = path.join(part, program)
if is_exe(exe_file):
return exe_file
return None
def find_java():
exec_command = None
has_server_jvm = True
java_path = which('java')
if not java_path:
java_path = which('java.exe')
if not java_path:
print 'NOTE: No Java executable found in $PATH.'
sys.exit(0)
is_ok = False
java_version_out, _ = popen([java_path, '-version']).communicate()
java_build_regex = re.compile(r'^\w+ version "(\d+)\.(\d+)')
# pylint: disable=E1103
match = re.search(java_build_regex, java_version_out)
if match:
major = int(match.group(1))
minor = int(match.group(2))
is_ok = major >= java_required_major and minor >= java_required_minor
if is_ok:
exec_command = [java_path, '-Xms1024m', '-server',
'-XX:+TieredCompilation']
check_server_proc = popen(exec_command + ['-version'])
check_server_proc.communicate()
if check_server_proc.returncode != 0:
# Not all Java installs have server JVMs.
exec_command = exec_command.remove('-server')
has_server_jvm = False
if not is_ok:
print 'NOTE: Java executable version %d.%d or above not found in $PATH.' % (java_required_major, java_required_minor)
sys.exit(0)
print 'Java executable: %s%s' % (java_path, '' if has_server_jvm else ' (no server JVM)')
return exec_command
java_exec = find_java()
spawned_compiler_command = java_exec + [
'-jar',
closure_compiler_jar
] + common_closure_args
print 'Compiling injected-script-source.js...'
command = spawned_compiler_command + [
'--externs', injected_script_externs_file,
'--externs', protocol_externs_file,
'--js', injected_script_source_name
]
injected_script_compile_proc = popen(command)
print 'Validating injected-script-source.js...'
injectedscript_check_script_path = path.join(v8_inspector_path, 'build',
'check_injected_script_source.py')
validate_injected_script_proc = popen([sys.executable,
injectedscript_check_script_path, injected_script_source_name])
print
(injected_script_compile_out, _) = injected_script_compile_proc.communicate()
print 'injected-script-source.js compilation output:%s' % os.linesep
print injected_script_compile_out
errors_found |= has_errors(injected_script_compile_out)
(validate_injected_script_out, _) = validate_injected_script_proc.communicate()
print 'Validate injected-script-source.js output:%s' % os.linesep
print validate_injected_script_out if validate_injected_script_out else '<empty>'
errors_found |= has_errors(validate_injected_script_out)
os.remove(protocol_externs_file)
if errors_found:
print 'ERRORS DETECTED'
sys.exit(1)
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