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#!/usr/bin/env python3
# Copyright 2024 The Chromium Authors
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
import pathlib
import shutil
NUM_CLASSES = 1000
def GenerateClassContents(classname):
return f"""\
package org.jni_zero.benchmark;
import org.jni_zero.JNINamespace;
import org.jni_zero.CalledByNative;
@JNINamespace("jni_zero::benchmark")
public class {classname} {{
@CalledByNative
static void callMe() {{
}}
}}
"""
def GenerateAllClasses(directory):
for i in range(NUM_CLASSES):
classname = 'Placeholder' + str(i + 1)
output_directory = directory / 'src/org/jni_zero/benchmark'
output_directory.mkdir(parents=True, exist_ok=True)
output_path = output_directory / (classname + '.java')
with open(output_path, 'wt') as output:
output.write(GenerateClassContents(classname))
def GenerateBuildFile(buildfile_path):
sb = []
sb.append("""\
import("//build/config/android/rules.gni")
import("//third_party/jni_zero/jni_zero.gni")
generate_jni("generated_header") {
sources = [
""")
for i in range(NUM_CLASSES):
classname = 'Placeholder' + str(i + 1)
sb.append(f'"src/org/jni_zero/benchmark/{classname}.java",')
sb.append("""
]
}
android_library("generated_java") {
sources = [
""")
for i in range(NUM_CLASSES):
classname = 'Placeholder' + str(i + 1)
sb.append(f'"src/org/jni_zero/benchmark/{classname}.java",')
sb.append("""\
]
deps = [
":generated_header_java",
"//third_party/jni_zero:jni_zero_java",
]
}
""")
with open(buildfile_path, 'wt') as output:
output.write('\n'.join(sb))
def main():
output_directory = pathlib.Path(__file__).parents[0]
generated = output_directory / 'src'
if generated.exists():
shutil.rmtree(generated)
GenerateAllClasses(output_directory)
buildfile_path = output_directory / 'BUILD.gn'
GenerateBuildFile(buildfile_path)
if __name__ == '__main__':
main()
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