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Unified Diff: build/write_buildflag_header.py

Issue 1475883002: Revert of New build flag system, convert Google Now flag (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Created 5 years, 1 month ago
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Index: build/write_buildflag_header.py
diff --git a/build/write_buildflag_header.py b/build/write_buildflag_header.py
deleted file mode 100755
index d46cfc89a9dcdbddf0d32ce6f45a60c30b3132a8..0000000000000000000000000000000000000000
--- a/build/write_buildflag_header.py
+++ /dev/null
@@ -1,95 +0,0 @@
-#!/usr/bin/env python
-# Copyright 2015 The Chromium Authors. All rights reserved.
-# Use of this source code is governed by a BSD-style license that can be
-# found in the LICENSE file.
-
-# This writes headers for build flags. See buildflag_header.gni for usage of
-# this system as a whole.
-#
-# The parameters are passed in a response file so we don't have to worry
-# about command line lengths. The name of the response file is passed on the
-# command line.
-#
-# The format of the response file is:
-# [--flags <list of one or more flag values>]
-
-import optparse
-import os
-import shlex
-import sys
-
-
-class Options:
- def __init__(self, output, rulename, header_guard, flags):
- self.output = output
- self.rulename = rulename
- self.header_guard = header_guard
- self.flags = flags
-
-
-def GetOptions():
- parser = optparse.OptionParser()
- parser.add_option('--output', help="Output header name inside --gen-dir.")
- parser.add_option('--rulename',
- help="Helpful name of build rule for including in the " +
- "comment at the top of the file.")
- parser.add_option('--gen-dir',
- help="Path to root of generated file directory tree.")
- parser.add_option('--definitions',
- help="Name of the response file containing the flags.")
- cmdline_options, cmdline_flags = parser.parse_args()
-
- # Compute header guard by replacing some chars with _ and upper-casing.
- header_guard = cmdline_options.output.upper()
- header_guard = \
- header_guard.replace('/', '_').replace('\\', '_').replace('.', '_')
- header_guard += '_'
-
- # The actual output file is inside the gen dir.
- output = os.path.join(cmdline_options.gen_dir, cmdline_options.output)
-
- # Definition file in GYP is newline separated, in GN they are shell formatted.
- # shlex can parse both of these.
- with open(cmdline_options.definitions, 'r') as def_file:
- defs = shlex.split(def_file.read())
- flags_index = defs.index('--flags')
-
- # Everything after --flags are flags. true/false are remapped to 1/0,
- # everything else is passed through.
- flags = []
- for flag in defs[flags_index + 1 :]:
- equals_index = flag.index('=')
- key = flag[:equals_index]
- value = flag[equals_index + 1:]
-
- # Canonicalize and validate the value.
- if value == 'true':
- value = '1'
- elif value == 'false':
- value = '0'
- flags.append((key, str(value)))
-
- return Options(output=output,
- rulename=cmdline_options.rulename,
- header_guard=header_guard,
- flags=flags)
-
-
-def WriteHeader(options):
- with open(options.output, 'w') as output_file:
- output_file.write("// Generated by build/write_buildflag_header.py\n")
- if options.rulename:
- output_file.write('// From "' + options.rulename + '"\n')
-
- output_file.write('\n#ifndef %s\n' % options.header_guard)
- output_file.write('#define %s\n\n' % options.header_guard)
- output_file.write('#include "build/buildflag.h"\n\n')
-
- for pair in options.flags:
- output_file.write('#define BUILDFLAG_INTERNAL_%s() (%s)\n' % pair)
-
- output_file.write('\n#endif // %s\n' % options.header_guard)
-
-
-options = GetOptions()
-WriteHeader(options)
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