forked from mirrors/gecko-dev
69 lines
1.8 KiB
Python
69 lines
1.8 KiB
Python
# This Source Code Form is subject to the terms of the Mozilla Public
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# License, v. 2.0. If a copy of the MPL was not distributed with this
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# file, You can obtain one at http://mozilla.org/MPL/2.0/.
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# Write out processes data for C++. The processes are defined
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# in a file provided as a command-line argument.
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import collections
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import sys
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from mozparsers.shared_telemetry_utils import ParserError, load_yaml_file
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# The banner/text at the top of the generated file.
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banner = """/* This file is auto-generated from Telemetry build scripts,
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see gen_process_enum.py. */
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"""
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file_header = """\
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#ifndef mozilla_TelemetryProcessEnums_h
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#define mozilla_TelemetryProcessEnums_h
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#include <cstdint>
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namespace mozilla {
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namespace Telemetry {
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"""
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file_footer = """
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} // namespace Telemetry
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} // namespace mozilla
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#endif // mozilla_TelemetryProcessEnums_h"""
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def to_enum_label(name):
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return name.title().replace("_", "")
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def write_processes_enum(processes, output):
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def p(line):
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print(line, file=output)
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processes = collections.OrderedDict(processes)
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p("enum class ProcessID : uint32_t {")
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for i, (name, _) in enumerate(sorted(processes.items())):
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p(" %s = %d," % (to_enum_label(name), i))
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p(" Count = %d" % len(processes))
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p("};")
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def main(output, *filenames):
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if len(filenames) > 1:
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raise Exception("We don't support loading from more than one file.")
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try:
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processes = load_yaml_file(filenames[0])
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# Write the process data file.
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print(banner, file=output)
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print(file_header, file=output)
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write_processes_enum(processes, output)
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print(file_footer, file=output)
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except ParserError as ex:
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print("\nError generating processes enums:\n" + str(ex) + "\n")
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sys.exit(1)
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if __name__ == "__main__":
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main(sys.stdout, *sys.argv[1:])
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