739351d476
Change log:95336cb92b..191d55580eFull diff:95336cb92b..191d55580eRoll chromium third_party 4e16929f46..3a8f2a9e1e Change log:4e16929f46..3a8f2a9e1eChanged dependencies: * src/tools:c44a3f5eca..f524a53b81DEPS diff:95336cb92b..191d55580e/DEPS No update to Clang. TBR=titovartem@google.com, BUG=None CQ_INCLUDE_TRYBOTS=master.internal.tryserver.corp.webrtc:linux_internal Change-Id: Ic9c4a62b050383646e9fcf5cc07a5653c14ac06e Reviewed-on: https://webrtc-review.googlesource.com/76120 Reviewed-by: Patrik Höglund <phoglund@webrtc.org> Reviewed-by: Karl Wiberg <kwiberg@webrtc.org> Reviewed-by: Artem Titov <titovartem@webrtc.org> Commit-Queue: Artem Titov <titovartem@webrtc.org> Cr-Commit-Position: refs/heads/master@{#23205}
105 lines
3.8 KiB
Python
105 lines
3.8 KiB
Python
# Copyright 2017 The Chromium Authors. All rights reserved.
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# Use of this source code is governed by a BSD-style license that can be
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# found in the LICENSE file.
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"""Used by a js_binary action to compile javascript files.
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This script takes in a list of sources and dependencies and compiles them all
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together into a single compiled .js file. The dependencies are ordered in a
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post-order, left-to-right traversal order. If multiple instances of the same
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source file are read, only the first is kept. The script can also take in
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optional --flags argument which will add custom flags to the compiler. Any
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extern files can also be passed in using the --extern flag.
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"""
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import argparse
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import os
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import sys
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import compile2
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def ParseDepList(dep):
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"""Parses a dependency list, returns |sources, deps, externs|."""
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assert os.path.isfile(dep), (dep +
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' is not a js_library target')
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with open(dep, 'r') as dep_list:
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lines = dep_list.read().splitlines()
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assert 'deps:' in lines, dep + ' is not formated correctly, missing "deps:"'
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deps_start = lines.index('deps:')
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assert 'externs:' in lines, dep + ' is not formated correctly, missing "externs:"'
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externs_start = lines.index('externs:')
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return (lines[1:deps_start],
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lines[deps_start+1:externs_start],
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lines[externs_start+1:])
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def CrawlDepsTree(deps, sources, externs):
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"""Parses the dependency tree creating a post-order listing of sources."""
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for dep in deps:
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cur_sources, cur_deps, cur_externs = ParseDepList(dep)
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child_sources, child_externs = CrawlDepsTree(
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cur_deps, cur_sources, cur_externs)
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# Add child dependencies of this node first.
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new_sources = child_sources
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# Add the current node's sources and dedupe.
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new_sources += [s for s in cur_sources if s not in new_sources]
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# Add the original sources, none of which will be dependencies of this node,
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# and dedupe.
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new_sources += [s for s in sources if s not in new_sources]
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sources = new_sources
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externs += [e for e in cur_externs if e not in externs]
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return sources, externs
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def main():
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parser = argparse.ArgumentParser()
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parser.add_argument('-c', '--compiler', required=True,
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help='Path to compiler')
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parser.add_argument('-s', '--sources', nargs='*', default=[],
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help='List of js source files')
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parser.add_argument('-o', '--output', required=True,
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help='Compile to output')
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parser.add_argument('-d', '--deps', nargs='*', default=[],
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help='List of js_libarary dependencies')
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parser.add_argument('-b', '--bootstrap',
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help='A file to include before all others')
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parser.add_argument('-cf', '--config', nargs='*', default=[],
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help='A list of files to include after bootstrap and '
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'before all others')
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parser.add_argument('-f', '--flags', nargs='*', default=[],
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help='A list of custom flags to pass to the compiler. '
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'Do not include leading dashes')
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parser.add_argument('-e', '--externs', nargs='*', default=[],
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help='A list of extern files to pass to the compiler')
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args = parser.parse_args()
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sources, externs = CrawlDepsTree(args.deps, args.sources, args.externs)
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compiler_args = ['--%s' % flag for flag in args.flags]
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compiler_args += ['--externs=%s' % e for e in args.externs]
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compiler_args += [
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'--js_output_file',
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args.output,
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'--js',
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]
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if args.bootstrap:
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compiler_args += [args.bootstrap]
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compiler_args += args.config
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compiler_args += sources
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returncode, errors = compile2.Checker().run_jar(args.compiler, compiler_args)
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if returncode != 0:
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print errors
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return returncode
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if __name__ == '__main__':
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sys.exit(main())
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