274aecdd78
Change-Id: I69a4db1d8be47bad56df74447a29526e9623cb80 Reviewed-on: https://chromium-review.googlesource.com/1243107 Commit-Queue: Daniel Clifford <danno@chromium.org> Reviewed-by: Sergiy Byelozyorov <sergiyb@chromium.org> Cr-Commit-Position: refs/heads/master@{#56219}
90 lines
3.0 KiB
Python
Executable File
90 lines
3.0 KiB
Python
Executable File
#!/usr/bin/env python
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# Copyright 2014 the V8 project 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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"""This program either generates the parser files for Torque, generating
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the source and header files directly in V8's src directory."""
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import subprocess
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import sys
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import re
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from subprocess import Popen, PIPE
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def preprocess(input):
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input = re.sub(r'(if\s+)constexpr(\s*\()', r'\1/*COxp*/\2', input)
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input = re.sub(r'(\)\s*\:\s*\S+\s+)labels\s+',
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r'\1,\n/*_LABELS_HOLD_*/ ', input)
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input = re.sub(r'(\s+)operator\s*(\'[^\']+\')', r'\1/*_OPE \2*/', input)
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input = re.sub(r'(\s+)typeswitch\s*\(', r'\1/*_TYPE*/switch (', input)
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input = re.sub(r'(\s+)case\s*\(([^\s]+)\s+\:\s*([^\:]+)\)(\s*)\:',
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r'\1case \3: /*_TSV\2:*/', input)
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input = re.sub(r'(\s+)case\s*\(([^\:]+)\)(\s*)\:',
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r'\1case \2: /*_TSX*/', input)
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input = re.sub(r'\sgenerates\s+\'([^\']+)\'\s*',
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r' _GeNeRaTeS00_/*\1@*/', input)
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input = re.sub(r'\sconstexpr\s+\'([^\']+)\'\s*',
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r' _CoNsExP_/*\1@*/', input)
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input = re.sub(r'\notherwise',
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r'\n otherwise', input)
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input = re.sub(r'(\n\s*\S[^\n]*\s)otherwise',
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r'\1_OtheSaLi', input)
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return input
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def postprocess(output):
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output = re.sub(r'\/\*COxp\*\/', r'constexpr', output)
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output = re.sub(r'(\S+)\s*: type([,>])', r'\1: type\2', output)
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output = re.sub(r',([\n ]*)\/\*_LABELS_HOLD_\*\/', r'\1labels', output)
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output = re.sub(r'\/\*_OPE \'([^\']+)\'\*\/', r"operator '\1'", output)
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output = re.sub(r'\/\*_TYPE\*\/(\s*)switch', r'typeswitch', output)
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output = re.sub(r'case ([^\:]+)\:\s*\/\*_TSX\*\/',
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r'case (\1):', output)
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output = re.sub(r'case ([^\:]+)\:\s*\/\*_TSV([^\:]+)\:\*\/',
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r'case (\2: \1):', output)
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output = re.sub(r'\n_GeNeRaTeS00_\s*\/\*([^@]+)@\*\/',
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r"\n generates '\1'", output)
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output = re.sub(r'_GeNeRaTeS00_\s*\/\*([^@]+)@\*\/',
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r"generates '\1'", output)
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output = re.sub(r'_CoNsExP_\s*\/\*([^@]+)@\*\/',
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r"constexpr '\1'", output)
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output = re.sub(r'\n(\s+)otherwise',
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r"\n\1 otherwise", output)
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output = re.sub(r'\n(\s+)_OtheSaLi',
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r"\n\1otherwise", output)
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output = re.sub(r'_OtheSaLi',
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r"otherwise", output)
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return output
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if len(sys.argv) < 2 or len(sys.argv) > 3:
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print "invalid number of arguments"
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sys.exit(-1)
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use_stdout = True
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lint = False
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if len(sys.argv) == 3:
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if sys.argv[1] == '-i':
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use_stdout = False
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if sys.argv[1] == '-l':
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lint = True
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filename = sys.argv[len(sys.argv) - 1]
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with open(filename, 'r') as content_file:
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content = content_file.read()
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original_input = content
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p = Popen(['clang-format', '-assume-filename=.ts'], stdin=PIPE, stdout=PIPE, stderr=PIPE)
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output, err = p.communicate(preprocess(content))
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output = postprocess(output)
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rc = p.returncode
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if (rc <> 0):
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sys.exit(rc);
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if lint:
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if (output != original_input):
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print >>sys.stderr, filename + ' requires formatting'
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elif use_stdout:
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print output
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else:
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output_file = open(filename, 'w')
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output_file.write(output);
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output_file.close()
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