106 lines
4.3 KiB
Python
Executable File
106 lines
4.3 KiB
Python
Executable File
# -*- coding: utf-8 -*-
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# Copyright JS Foundation and other contributors, https://js.foundation/
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions are met:
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#
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# * Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# * Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in the
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# documentation and/or other materials provided with the distribution.
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#
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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# ARE DISCLAIMED. IN NO EVENT SHALL <COPYRIGHT HOLDER> BE LIABLE FOR ANY
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# DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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# (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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# LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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# ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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from __future__ import absolute_import, unicode_literals, print_function, division
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import sys
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from .esprima import parse, tokenize, Error, toDict
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from . import version
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def main():
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import json
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import time
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import optparse
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usage = "usage: %prog [options] [file.js]"
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parser = optparse.OptionParser(usage=usage, version=version)
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parser.add_option("--comment", dest="comment",
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action="store_true", default=False,
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help="Gather all line and block comments in an array")
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parser.add_option("--attachComment", dest="attachComment",
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action="store_true", default=False,
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help="Attach comments to nodes")
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parser.add_option("--loc", dest="loc", default=False,
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action="store_true",
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help="Include line-column location info for each syntax node")
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parser.add_option("--range", dest="range", default=False,
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action="store_true",
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help="Include index-based range for each syntax node")
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parser.add_option("--raw", dest="raw", default=False,
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action="store_true",
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help="Display the raw value of literals")
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parser.add_option("--tokens", dest="tokens", default=False,
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action="store_true",
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help="List all tokens in an array")
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parser.add_option("--tolerant", dest="tolerant", default=False,
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action="store_true",
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help="Tolerate errors on a best-effort basis (experimental)")
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parser.add_option("--tokenize", dest="tokenize", default=False,
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action="store_true",
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help="Only tokenize, do not parse.")
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parser.add_option("--module", dest="sourceType", default='string',
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action="store_const", const='module',
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help="Tolerate errors on a best-effort basis (experimental)")
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parser.set_defaults(jsx=True, classProperties=True)
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opts, args = parser.parse_args()
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if len(args) == 1:
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with open(args[0], 'rb') as f:
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code = f.read().decode('utf-8')
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elif sys.stdin.isatty():
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parser.print_help()
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return 64
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else:
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code = sys.stdin.read().decode('utf-8')
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options = opts.__dict__
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do_tokenize = options.pop('tokenize')
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t = time.time()
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try:
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if do_tokenize:
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del options['sourceType']
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del options['tokens']
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del options['raw']
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del options['jsx']
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res = toDict(tokenize(code, options=options))
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else:
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res = toDict(parse(code, options=options))
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except Error as e:
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res = e.toDict()
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dt = time.time() - t + 0.000000001
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print(json.dumps(res, indent=4))
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print()
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print('Parsed everything in', round(dt, 5), 'seconds.')
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print('Thats %d characters per second' % (len(code) // dt))
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return 0
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if __name__ == '__main__':
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retval = main()
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sys.exit(retval)
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