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105 lines
3.1 KiB
Python
105 lines
3.1 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 UserInteraction information for C++. The UserInteractions are
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# defined in a file provided as a command-line argument.
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import sys
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from os import path
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from mozparsers import parse_user_interactions
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from mozparsers.shared_telemetry_utils import ParserError, static_assert
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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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import sys
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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
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TelemetryUserInteraction.h, see gen_userinteraction_data.py. */
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"""
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file_header = """\
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#ifndef mozilla_TelemetryUserInteractionData_h
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#define mozilla_TelemetryUserInteractionData_h
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#include "core/UserInteractionInfo.h"
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"""
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file_footer = """\
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#endif // mozilla_TelemetryUserInteractionData_h
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"""
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def write_user_interaction_table(user_interactions, output, string_table):
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head = """
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namespace mozilla {
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namespace Telemetry {
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namespace UserInteractionID {
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const static uint32_t UserInteractionCount = %d;
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} // namespace UserInteractionID
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} // namespace Telemetry
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} // namespace mozilla
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"""
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print(head % len(user_interactions), file=output)
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print("namespace {", file=output)
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table_name = "gUserInteractions"
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print("constexpr UserInteractionInfo %s[] = {" % table_name, file=output)
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for u in user_interactions:
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name_index = string_table.stringIndex(u.label)
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print(f" UserInteractionInfo({name_index}),", file=output)
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print("};", file=output)
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static_assert(
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output,
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"sizeof(%s) <= UINT32_MAX" % table_name,
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"index overflow of UserInteractionInfo table %s" % table_name,
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)
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print("} // namespace", file=output)
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def main(output, *filenames):
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# Load the UserInteraction data.
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user_interactions = []
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for filename in filenames:
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try:
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batch = parse_user_interactions.load_user_interactions(filename)
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user_interactions.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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string_table = StringTable()
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# Write the data for individual UserInteractions.
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write_user_interaction_table(user_interactions, 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 = "gUserInteractionsStringTable"
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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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