mirror of
https://github.com/darlinghq/darling-JavaScriptCore.git
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184 lines
8.2 KiB
Python
184 lines
8.2 KiB
Python
#!/usr/bin/env python
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#
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# Copyright (c) 2014, 2015 Apple Inc. All rights reserved.
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# Copyright (c) 2014 University of Washington. All rights reserved.
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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
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# are met:
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# 1. 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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# 2. 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 APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
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# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
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# THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
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# BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
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# THE POSSIBILITY OF SUCH DAMAGE.
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# This script generates C++ bindings for JavaScript builtins.
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# Generators for individual files are located in the builtins/ directory.
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import fnmatch
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import logging
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import optparse
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import os
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import sys
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logging.basicConfig(format='%(levelname)s: %(message)s', level=logging.ERROR)
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log = logging.getLogger('global')
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from lazywriter import LazyFileWriter
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from wkbuiltins import *
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def concatenated_output_filename(builtins_files, framework_name, generate_only_wrapper_files):
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if generate_only_wrapper_files:
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return framework_name + 'JSBuiltins.h-result'
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return os.path.basename(builtins_files[0]) + '-result'
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def do_open(file, mode):
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if sys.version_info.major == 2:
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return open(file, mode)
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else:
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return open(file, mode, encoding="UTF-8")
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def generate_bindings_for_builtins_files(builtins_files=[],
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output_path=None,
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concatenate_output=False,
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combined_output=False,
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generate_only_wrapper_files=False,
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framework_name="",
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force_output=False):
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generators = []
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model = BuiltinsCollection(framework_name=framework_name)
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for filepath in builtins_files:
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with do_open(filepath, "r") as file:
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file_text = file.read()
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file_name = os.path.basename(filepath)
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# If this is a test file, then rewrite the filename to remove the
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# test running options encoded into the filename.
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if file_name.startswith(framework_name):
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(_, object_name, _) = file_name.split('-')
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file_name = object_name + '.js'
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model.parse_builtins_file(file_name, file_text)
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if combined_output:
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log.debug("Using generator style: combined files for all builtins.")
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generators.append(BuiltinsCombinedHeaderGenerator(model))
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generators.append(BuiltinsCombinedImplementationGenerator(model))
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else:
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log.debug("Using generator style: single files for each builtin.")
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if generate_only_wrapper_files:
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generators.append(BuiltinsWrapperHeaderGenerator(model))
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generators.append(BuiltinsWrapperImplementationGenerator(model))
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generators.append(BuiltinsInternalsWrapperHeaderGenerator(model))
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generators.append(BuiltinsInternalsWrapperImplementationGenerator(model))
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else:
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for object in model.objects:
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generators.append(BuiltinsSeparateHeaderGenerator(model, object))
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generators.append(BuiltinsSeparateImplementationGenerator(model, object))
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log.debug("")
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log.debug("Generating bindings for builtins.")
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test_result_file_contents = []
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for generator in generators:
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output_filepath = os.path.join(output_path, generator.output_filename())
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log.debug("Generating output file: %s" % generator.output_filename())
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output = generator.generate_output()
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log.debug("---")
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log.debug("\n" + output)
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log.debug("---")
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if concatenate_output:
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test_result_file_contents.append('### Begin File: %s' % generator.output_filename())
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test_result_file_contents.append(output)
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test_result_file_contents.append('### End File: %s' % generator.output_filename())
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test_result_file_contents.append('')
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else:
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log.debug("Writing file: %s" % output_filepath)
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output_file = LazyFileWriter(output_filepath, force_output)
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output_file.write(output)
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output_file.close()
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if concatenate_output:
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filename = concatenated_output_filename(builtins_files, framework_name, generate_only_wrapper_files)
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output_filepath = os.path.join(output_path, filename)
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log.debug("Writing file: %s" % output_filepath)
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output_file = LazyFileWriter(output_filepath, force_output)
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output_file.write('\n'.join(test_result_file_contents))
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output_file.close()
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if __name__ == '__main__':
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allowed_framework_names = ['JavaScriptCore', 'WebCore']
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cli_parser = optparse.OptionParser(usage="usage: %prog [options] Builtin1.js [, Builtin2.js, ...]")
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cli_parser.add_option("-i", "--input-directory", help="If specified, generates builtins from all JavaScript files in the specified directory in addition to specific files passed as arguments.")
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cli_parser.add_option("-o", "--output-directory", help="Directory where generated files should be written.")
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cli_parser.add_option("--framework", type="choice", choices=allowed_framework_names, help="Destination framework for generated files.")
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cli_parser.add_option("--force", action="store_true", help="Force output of generated scripts, even if nothing changed.")
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cli_parser.add_option("--combined", action="store_true", help="Produce one .h/.cpp file instead of producing one per builtin object.")
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cli_parser.add_option("--wrappers-only", action="store_true", help="Produce .h/.cpp wrapper files to ease integration of the builtins.")
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cli_parser.add_option("-v", "--debug", action="store_true", help="Log extra output for debugging the generator itself.")
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cli_parser.add_option("-t", "--test", action="store_true", help="Enable test mode.")
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arg_options, arg_values = cli_parser.parse_args()
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if len(arg_values) == 0 and not arg_options.input_directory:
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raise ParseException("At least one input file or directory expected.")
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if not arg_options.output_directory:
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raise ParseException("Missing output directory.")
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if arg_options.debug:
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log.setLevel(logging.DEBUG)
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input_filepaths = arg_values[:]
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if arg_options.input_directory:
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for filepath in os.listdir(arg_options.input_directory):
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input_filepaths.append(os.path.join(arg_options.input_directory, filepath))
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input_filepaths = sorted([name for name in input_filepaths if fnmatch.fnmatch(name, '*.js')])
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options = {
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'output_path': arg_options.output_directory,
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'framework_name': arg_options.framework,
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'combined_output': arg_options.combined,
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'generate_only_wrapper_files': arg_options.wrappers_only,
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'force_output': arg_options.force,
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'concatenate_output': arg_options.test,
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}
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log.debug("Generating code for builtins.")
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log.debug("Parsed options:")
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for option, value in list(options.items()):
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log.debug(" %s: %s" % (option, value))
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log.debug("")
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log.debug("Input files:")
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for filepath in input_filepaths:
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log.debug(" %s" % filepath)
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log.debug("")
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try:
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generate_bindings_for_builtins_files(builtins_files=input_filepaths, **options)
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except ParseException as e:
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if arg_options.test:
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log.error(e.message)
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else:
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raise # Force the build to fail.
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