--- /dev/null
+# Copyright 2013 the V8 project authors. All rights reserved.
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met:
+#
+# * Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+# * Redistributions in binary form must reproduce the above
+# copyright notice, this list of conditions and the following
+# disclaimer in the documentation and/or other materials provided
+# with the distribution.
+# * Neither the name of Google Inc. nor the names of its
+# contributors may be used to endorse or promote products derived
+# from this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+# This file is meant to be included into a target to handle shim headers
+# in a consistent manner. To use this the following variables need to be
+# defined:
+# headers_root_path: string: path to directory containing headers
+# header_filenames: list: list of header file names
+
+{
+ 'variables': {
+ 'shim_headers_path': '<(SHARED_INTERMEDIATE_DIR)/shim_headers/<(_target_name)/<(_toolset)',
+ 'shim_generator_additional_args%': [],
+ },
+ 'include_dirs++': [
+ '<(shim_headers_path)',
+ ],
+ 'all_dependent_settings': {
+ 'include_dirs+++': [
+ '<(shim_headers_path)',
+ ],
+ },
+ 'actions': [
+ {
+ 'variables': {
+ 'generator_path': '<(DEPTH)/tools/generate_shim_headers/generate_shim_headers.py',
+ 'generator_args': [
+ '--headers-root', '<(headers_root_path)',
+ '--output-directory', '<(shim_headers_path)',
+ '<@(shim_generator_additional_args)',
+ '<@(header_filenames)',
+ ],
+ },
+ 'action_name': 'generate_<(_target_name)_shim_headers',
+ 'inputs': [
+ '<(generator_path)',
+ ],
+ 'outputs': [
+ '<!@pymod_do_main(generate_shim_headers <@(generator_args) --outputs)',
+ ],
+ 'action': ['python',
+ '<(generator_path)',
+ '<@(generator_args)',
+ '--generate',
+ ],
+ 'message': 'Generating <(_target_name) shim headers.',
+ },
+ ],
+}
--- /dev/null
+#!/usr/bin/env python
+#
+# Copyright 2013 the V8 project authors. All rights reserved.
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met:
+#
+# * Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+# * Redistributions in binary form must reproduce the above
+# copyright notice, this list of conditions and the following
+# disclaimer in the documentation and/or other materials provided
+# with the distribution.
+# * Neither the name of Google Inc. nor the names of its
+# contributors may be used to endorse or promote products derived
+# from this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+"""
+Generates shim headers that mirror the directory structure of bundled headers,
+but just forward to the system ones.
+
+This allows seamless compilation against system headers with no changes
+to our source code.
+"""
+
+
+import optparse
+import os.path
+import sys
+
+
+def GeneratorMain(argv):
+ parser = optparse.OptionParser()
+ parser.add_option('--headers-root', action='append')
+ parser.add_option('--define', action='append')
+ parser.add_option('--output-directory')
+ parser.add_option('--prefix', default='')
+ parser.add_option('--use-include-next', action='store_true')
+ parser.add_option('--outputs', action='store_true')
+ parser.add_option('--generate', action='store_true')
+
+ options, args = parser.parse_args(argv)
+
+ if not options.headers_root:
+ parser.error('Missing --headers-root parameter.')
+ if not options.output_directory:
+ parser.error('Missing --output-directory parameter.')
+ if not args:
+ parser.error('Missing arguments - header file names.')
+
+ source_tree_root = os.path.abspath(
+ os.path.join(os.path.dirname(__file__), '..', '..'))
+
+ for root in options.headers_root:
+ target_directory = os.path.join(
+ options.output_directory,
+ os.path.relpath(root, source_tree_root))
+ if options.generate and not os.path.exists(target_directory):
+ os.makedirs(target_directory)
+
+ for header_spec in args:
+ if ';' in header_spec:
+ (header_filename,
+ include_before,
+ include_after) = header_spec.split(';', 2)
+ else:
+ header_filename = header_spec
+ include_before = ''
+ include_after = ''
+ if options.outputs:
+ yield os.path.join(target_directory, header_filename)
+ if options.generate:
+ with open(os.path.join(target_directory, header_filename), 'w') as f:
+ if options.define:
+ for define in options.define:
+ key, value = define.split('=', 1)
+ # This non-standard push_macro extension is supported
+ # by compilers we support (GCC, clang).
+ f.write('#pragma push_macro("%s")\n' % key)
+ f.write('#undef %s\n' % key)
+ f.write('#define %s %s\n' % (key, value))
+
+ if include_before:
+ for header in include_before.split(':'):
+ f.write('#include %s\n' % header)
+
+ include_target = options.prefix + header_filename
+ if options.use_include_next:
+ f.write('#include_next <%s>\n' % include_target)
+ else:
+ f.write('#include <%s>\n' % include_target)
+
+ if include_after:
+ for header in include_after.split(':'):
+ f.write('#include %s\n' % header)
+
+ if options.define:
+ for define in options.define:
+ key, value = define.split('=', 1)
+ # This non-standard pop_macro extension is supported
+ # by compilers we support (GCC, clang).
+ f.write('#pragma pop_macro("%s")\n' % key)
+
+
+def DoMain(argv):
+ return '\n'.join(GeneratorMain(argv))
+
+
+if __name__ == '__main__':
+ DoMain(sys.argv[1:])
projects / platform / upstream / v8.git / commitdiff