blob: 0c57a7286acb0a76821546497cfbc6d8e064e5b6 [file] [log] [blame]
# Copyright 2017 The Chromium Authors
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
"""A template for generating hash decoding code."""
import codegen
HEADER = codegen.Template(
basename="ukm_decode.h",
file_template="""
// Generated from gen_builders.py. DO NOT EDIT!
// source: ukm.xml
#ifndef {file.guard_path}
#define {file.guard_path}
#include <cstdint>
#include <map>
namespace ukm {{
namespace builders {{
typedef std::map<uint64_t, const char*> MetricDecodeMap;
struct EntryDecoder {{
const char* name;
const MetricDecodeMap metric_map;
}};
typedef std::map<uint64_t, EntryDecoder> DecodeMap;
DecodeMap CreateDecodeMap();
}} // namespace builders
}} // namespace ukm
#endif // {file.guard_path}
""",
event_template="",
metric_template="")
IMPL = codegen.Template(
basename="ukm_decode.cc",
file_template="""
// Generated from gen_builders.py. DO NOT EDIT!
// source: ukm.xml
#include "{file.dir_path}/ukm_decode.h"
#include "{file.dir_path}/ukm_builders.h"
namespace ukm {{
namespace builders {{
std::map<uint64_t, EntryDecoder> CreateDecodeMap() {{
return {{
{event_code}
}};
}}
}} // namespace builders
}} // namespace ukm
""",
event_template="""
{{
UINT64_C({event.hash}),
{{
{event.name}::kEntryName,
{{
{metric_code}
}}
}}
}},
""",
metric_template="""
{{{event.name}::k{metric.name}NameHash, {event.name}::k{metric.name}Name}},
""")
def WriteFiles(outdir, relpath, data):
HEADER.WriteFile(outdir, relpath, data)
IMPL.WriteFile(outdir, relpath, data)