dart-sdk/runtime/tools/gen_library_src_paths.py
Alexander Thomas b5c63ce757 [infra] Migrate scripts to python3
* Migrate to python3; drop python support.
* Update Windows toolchain support.
* Remove some unused methods.
* Python 2.7 is still needed on Windows.
* Update gsutil to a version that supports python3.

Fixes: https://github.com/dart-lang/sdk/issues/28793

TEST=Manually tested common user journeys.

Change-Id: I663a22b237a548bb82dc2e601e399e3bc3649211
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/192182
Reviewed-by: William Hesse <whesse@google.com>
Reviewed-by: Alexander Aprelev <aam@google.com>
2021-04-15 10:10:20 +00:00

137 lines
4.8 KiB
Python
Executable file

#!/usr/bin/env python3
# Copyright (c) 2013, the Dart project authors. Please see the AUTHORS file
# for details. All rights reserved. Use of this source code is governed by a
# BSD-style license that can be found in the LICENSE file.
#
# This python script creates a source path mapping in a C++ source file from
# a C++ source template and list of dart library files.
import os
import sys
import utils
from os.path import join
from optparse import OptionParser
HOST_OS = utils.GuessOS()
def makeString(input_file, var_name):
result = 'static const char ' + var_name + '[] = {\n '
fileHandle = open(input_file, 'rb')
lineCounter = 0
for byte in fileHandle.read():
result += '\'\\x%02x' % ord(byte) + '\', '
lineCounter += 1
if lineCounter == 19:
result += '\n '
lineCounter = 0
result += '0};\n'
return result
def makeSourceArrays(in_files):
result = ''
file_count = 0
for string_file in in_files:
if string_file.endswith('.dart'):
file_count += 1
file_string = makeString(string_file,
"source_array_" + str(file_count))
result += file_string
return result
def makeFile(output_file, input_cc_file, include, var_name, lib_name, in_files):
part_index = []
bootstrap_cc_text = open(input_cc_file).read()
bootstrap_cc_text = bootstrap_cc_text.replace("{{SOURCE_ARRAYS}}",
makeSourceArrays(in_files))
bootstrap_cc_text = bootstrap_cc_text.replace("{{INCLUDE}}", include)
bootstrap_cc_text = bootstrap_cc_text.replace("{{VAR_NAME}}", var_name)
main_file_found = False
file_count = 0
for string_file in in_files:
if string_file.endswith('.dart'):
file_count += 1
if (not main_file_found):
inpt = open(string_file, 'r')
for line in inpt:
# File with library tag is the main file.
if line.startswith('library '):
main_file_found = True
bootstrap_cc_text = bootstrap_cc_text.replace(
"{{LIBRARY_SOURCE_MAP}}", ' "' + lib_name + '",\n' +
' source_array_' + str(file_count) + ',\n')
inpt.close()
if (main_file_found):
continue
part_index.append(' "' + lib_name + "/" + os.path.basename(
string_file).replace('\\', '\\\\') + '",\n')
part_index.append(' source_array_' + str(file_count) + ',\n\n')
bootstrap_cc_text = bootstrap_cc_text.replace("{{LIBRARY_SOURCE_MAP}}", '')
bootstrap_cc_text = bootstrap_cc_text.replace("{{PART_SOURCE_MAP}}",
''.join(part_index))
open(output_file, 'w').write(bootstrap_cc_text)
return True
def main(args):
try:
# Parse input.
parser = OptionParser()
parser.add_option(
"--output", action="store", type="string", help="output file name")
parser.add_option(
"--input_cc",
action="store",
type="string",
help="input template file")
parser.add_option(
"--include", action="store", type="string", help="variable name")
parser.add_option(
"--library_name",
action="store",
type="string",
help="library name")
parser.add_option(
"--var_name", action="store", type="string", help="variable name")
(options, args) = parser.parse_args()
if not options.output:
sys.stderr.write('--output not specified\n')
return -1
if not len(options.input_cc):
sys.stderr.write('--input_cc not specified\n')
return -1
if not len(options.include):
sys.stderr.write('--include not specified\n')
return -1
if not len(options.var_name):
sys.stderr.write('--var_name not specified\n')
return -1
if not len(options.library_name):
sys.stderr.write('--library_name not specified\n')
return -1
if len(args) == 0:
sys.stderr.write('No input files specified\n')
return -1
files = []
for arg in args:
files.append(arg)
if not makeFile(options.output, options.input_cc, options.include,
options.var_name, options.library_name, files):
return -1
return 0
except Exception as inst:
sys.stderr.write('gen_library_src_paths.py exception\n')
sys.stderr.write(str(inst))
sys.stderr.write('\n')
return -1
if __name__ == '__main__':
sys.exit(main(sys.argv))