forked from mirrors/gecko-dev
760cc7e936
- Add missing include directives and forward declarations. - Remove some extra include directives. - Add missing namespace qualifications. - Move include directives out of namespace in toolkit/xre/GlobalSemaphore.h Differential Revision: https://phabricator.services.mozilla.com/D98894
228 lines
7.4 KiB
Python
228 lines
7.4 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 event information for C++. The events are defined
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# in a file provided as a command-line argument.
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from __future__ import print_function
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from collections import OrderedDict
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from mozparsers.shared_telemetry_utils import static_assert, ParserError
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from mozparsers import parse_events
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import json
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import sys
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import itertools
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from os import path
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COMPONENTS_PATH = path.abspath(
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path.join(path.dirname(__file__), path.pardir, path.pardir)
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)
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sys.path.append(
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path.join(COMPONENTS_PATH, "glean", "build_scripts", "glean_parser_ext")
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)
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from string_table import StringTable
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# The banner/text at the top of the generated file.
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banner = """/* This file is auto-generated, only for internal use in TelemetryEvent.h,
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see gen_event_data.py. */
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"""
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file_header = """\
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#ifndef mozilla_TelemetryEventData_h
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#define mozilla_TelemetryEventData_h
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#include "core/EventInfo.h"
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#include "nsITelemetry.h"
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namespace {
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"""
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file_footer = """\
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} // namespace
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#endif // mozilla_TelemetryEventData_h
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"""
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def write_extra_table(events, output, string_table):
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table_name = "gExtraKeysTable"
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extra_table = []
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extra_count = 0
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print("#if defined(_MSC_VER) && !defined(__clang__)", file=output)
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print("const uint32_t %s[] = {" % table_name, file=output)
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print("#else", file=output)
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print("constexpr uint32_t %s[] = {" % table_name, file=output)
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print("#endif", file=output)
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for e in events:
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extra_index = 0
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extra_keys = e.extra_keys
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if len(extra_keys) > 0:
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extra_index = extra_count
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extra_count += len(extra_keys)
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indexes = string_table.stringIndexes(extra_keys)
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print(
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" // %s, [%s], [%s]"
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% (e.category, ", ".join(e.methods), ", ".join(e.objects)),
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file=output,
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)
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print(" // extra_keys: %s" % ", ".join(extra_keys), file=output)
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print(" %s," % ", ".join(map(str, indexes)), file=output)
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extra_table.append((extra_index, len(extra_keys)))
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print("};", file=output)
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static_assert(output, "sizeof(%s) <= UINT32_MAX" % table_name, "index overflow")
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return extra_table
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def write_common_event_table(events, output, string_table, extra_table):
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table_name = "gCommonEventInfo"
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print("#if defined(_MSC_VER) && !defined(__clang__)", file=output)
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print("const CommonEventInfo %s[] = {" % table_name, file=output)
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print("#else", file=output)
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print("constexpr CommonEventInfo %s[] = {" % table_name, file=output)
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print("#endif", file=output)
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for e, extras in zip(events, extra_table):
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# Write a comment to make the file human-readable.
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print(" // category: %s" % e.category, file=output)
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print(" // methods: [%s]" % ", ".join(e.methods), file=output)
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print(" // objects: [%s]" % ", ".join(e.objects), file=output)
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# Write the common info structure
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print(
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" {%d, %d, %d, %d, %s, %s, %s },"
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% (
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string_table.stringIndex(e.category),
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string_table.stringIndex(e.expiry_version),
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extras[0], # extra keys index
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extras[1], # extra keys count
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e.dataset,
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" | ".join(e.record_in_processes_enum),
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" | ".join(e.products_enum),
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),
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file=output,
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)
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print("};", file=output)
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static_assert(output, "sizeof(%s) <= UINT32_MAX" % table_name, "index overflow")
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def write_event_table(events, output, string_table):
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table_name = "gEventInfo"
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print("#if defined(_MSC_VER) && !defined(__clang__)", file=output)
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print("const EventInfo %s[] = {" % table_name, file=output)
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print("#else", file=output)
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print("constexpr EventInfo %s[] = {" % table_name, file=output)
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print("#endif", file=output)
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for common_info_index, e in enumerate(events):
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for method_name, object_name in itertools.product(e.methods, e.objects):
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print(
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" // category: %s, method: %s, object: %s"
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% (e.category, method_name, object_name),
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file=output,
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)
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print(
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" {gCommonEventInfo[%d], %d, %d},"
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% (
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common_info_index,
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string_table.stringIndex(method_name),
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string_table.stringIndex(object_name),
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),
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file=output,
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)
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print("};", file=output)
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static_assert(output, "sizeof(%s) <= UINT32_MAX" % table_name, "index overflow")
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def generate_JSON_definitions(output, *filenames):
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"""Write the event definitions to a JSON file.
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:param output: the file to write the content to.
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:param filenames: a list of filenames provided by the build system.
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We only support a single file.
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"""
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# Load the event data.
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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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event_definitions = OrderedDict()
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for event in events:
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category = event.category
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if category not in event_definitions:
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event_definitions[category] = OrderedDict()
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event_definitions[category][event.name] = OrderedDict(
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{
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"methods": event.methods,
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"objects": event.objects,
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"extra_keys": event.extra_keys,
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"record_on_release": True
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if event.dataset_short == "opt-out"
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else False,
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# We don't expire dynamic-builtin scalars: they're only meant for
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# use in local developer builds anyway. They will expire when rebuilding.
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"expires": event.expiry_version,
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"expired": False,
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"products": event.products,
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}
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)
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json.dump(event_definitions, output, sort_keys=True)
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def main(output, *filenames):
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# Load the event data.
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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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# Write the scalar data file.
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print(banner, file=output)
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print(file_header, file=output)
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# Write the extra keys table.
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string_table = StringTable()
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extra_table = write_extra_table(events, output, string_table)
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print("", file=output)
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# Write a table with the common event data.
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write_common_event_table(events, output, string_table, extra_table)
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print("", file=output)
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# Write the data for individual events.
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write_event_table(events, output, string_table)
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print("", file=output)
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# Write the string table.
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string_table_name = "gEventsStringTable"
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string_table.writeDefinition(output, string_table_name)
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static_assert(
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output, "sizeof(%s) <= UINT32_MAX" % string_table_name, "index overflow"
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)
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print("", 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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