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81 lines
2.2 KiB
Python
81 lines
2.2 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 C++ enum definitions that represent the different event types.
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#
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# The events are defined in files provided as command-line arguments.
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import sys
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import buildconfig
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from mozparsers import parse_events
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from mozparsers.shared_telemetry_utils import ParserError
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banner = """/* This file is auto-generated, see gen_event_enum.py. */
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"""
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file_header = """\
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#ifndef mozilla_TelemetryEventEnums_h
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#define mozilla_TelemetryEventEnums_h
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#include <stdint.h>
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namespace mozilla {
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namespace Telemetry {
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enum class EventID : uint32_t {\
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"""
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file_footer = """\
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};
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} // namespace mozilla
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} // namespace Telemetry
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#endif // mozilla_TelemetryEventEnums_h
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"""
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def main(output, *filenames):
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# Load the events first.
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events = []
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for filename in filenames:
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try:
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batch = parse_events.load_events(filename, True)
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events.extend(batch)
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except ParserError as ex:
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print("\nError processing %s:\n%s\n" % (filename, str(ex)), file=sys.stderr)
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sys.exit(1)
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grouped = dict()
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index = 0
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for e in events:
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category = e.category
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if category not in grouped:
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grouped[category] = []
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grouped[category].append((index, e))
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index += len(e.enum_labels)
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# Write the enum file.
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print(banner, file=output)
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print(file_header, file=output)
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for category, indexed in sorted(grouped.items()):
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category_cpp = indexed[0][1].category_cpp
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print(" // category: %s" % category, file=output)
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for event_index, e in indexed:
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if e.record_on_os(buildconfig.substs["OS_TARGET"]):
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for offset, label in enumerate(e.enum_labels):
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print(
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" %s_%s = %d," % (category_cpp, label, event_index + offset),
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file=output,
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)
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print(" // meta", file=output)
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print(" EventCount = %d," % index, file=output)
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print(file_footer, file=output)
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if __name__ == "__main__":
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main(sys.stdout, *sys.argv[1:])
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