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# 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("//third_party/protobuf/proto_library.gni")
template("domatolpm") {
_name = target_name
_script_target_name = "${_name}_domatolpm_gen"
_gen_target_name = "${_name}_proto_gen"
_gen_file_format = "${target_gen_dir}/${_name}"
_target_gen_dir = target_gen_dir
# It was determined that above 12 files, the compilation time does not
# improve anymore.
_generated_protos = [
"${_gen_file_format}_sub0.proto",
"${_gen_file_format}_sub1.proto",
"${_gen_file_format}_sub2.proto",
"${_gen_file_format}_sub3.proto",
"${_gen_file_format}_sub4.proto",
"${_gen_file_format}_sub5.proto",
"${_gen_file_format}_sub6.proto",
"${_gen_file_format}_sub7.proto",
"${_gen_file_format}_sub8.proto",
"${_gen_file_format}_sub9.proto",
"${_gen_file_format}_sub10.proto",
"${_gen_file_format}_sub11.proto",
]
_generated_cpps = [
"${_gen_file_format}.cc",
"${_gen_file_format}.h",
"${_gen_file_format}_sub0.cc",
"${_gen_file_format}_sub0.h",
"${_gen_file_format}_sub1.cc",
"${_gen_file_format}_sub1.h",
"${_gen_file_format}_sub2.cc",
"${_gen_file_format}_sub2.h",
"${_gen_file_format}_sub3.cc",
"${_gen_file_format}_sub3.h",
"${_gen_file_format}_sub4.cc",
"${_gen_file_format}_sub4.h",
"${_gen_file_format}_sub5.cc",
"${_gen_file_format}_sub5.h",
"${_gen_file_format}_sub6.cc",
"${_gen_file_format}_sub6.h",
"${_gen_file_format}_sub7.cc",
"${_gen_file_format}_sub7.h",
"${_gen_file_format}_sub8.cc",
"${_gen_file_format}_sub8.h",
"${_gen_file_format}_sub9.cc",
"${_gen_file_format}_sub9.h",
"${_gen_file_format}_sub10.cc",
"${_gen_file_format}_sub10.h",
"${_gen_file_format}_sub11.cc",
"${_gen_file_format}_sub11.h",
]
action(_script_target_name) {
testonly = true
script = "//testing/libfuzzer/research/domatolpm/generator.py"
args = [
"-p",
rebase_path(invoker.grammar_file, root_build_dir),
"-f",
rebase_path(_gen_file_format, root_build_dir),
"-n",
invoker.grammar_name,
"-d",
rebase_path(_target_gen_dir, root_gen_dir),
]
if (defined(invoker.stabilize_grammar) && invoker.stabilize_grammar) {
args += [ "-s" ]
}
inputs = [
"//testing/libfuzzer/research/domatolpm/templates/domatolpm.cc.tmpl",
"//testing/libfuzzer/research/domatolpm/templates/domatolpm.h.tmpl",
"//testing/libfuzzer/research/domatolpm/templates/domatolpm.proto.tmpl",
]
outputs = [ "${_gen_file_format}.proto" ]
outputs += _generated_protos
outputs += _generated_cpps
if (defined(invoker.deps)) {
deps = invoker.deps
}
}
proto_library(_gen_target_name) {
testonly = true
proto_deps = [ ":${_script_target_name}" ]
sources = [ "${_gen_file_format}.proto" ]
sources += _generated_protos
proto_in_dir = "${root_gen_dir}"
proto_out_dir = "."
generate_python = false
}
static_library(_name) {
testonly = true
public_deps = [
":${_gen_target_name}",
":${_script_target_name}",
"//base",
]
deps = [ "//testing/libfuzzer/research/domatolpm:domatolpm_context" ]
sources = _generated_cpps
}
}
template("domatolpm_fuzzer") {
# invoker.template_file
# invoker.grammars [ "jsfuzzer://path/to/grammar/js.txt", "cssfuzzer":"//path/to/grammar/css.txt" ]
_templated_deps = []
foreach(grammar, invoker.grammars) {
_grammars = []
_grammars = string_split(grammar, ":")
_target_name = _grammars[0]
_templated_deps += [ ":${_target_name}" ]
domatolpm(_target_name) {
grammar_file = _grammars[1]
grammar_name = _grammars[0]
if (defined(invoker.deps)) {
deps = invoker.deps
}
if (defined(invoker.stabilize_grammar)) {
stabilize_grammar = invoker.stabilize_grammar
}
}
}
_target_gen_dir = target_gen_dir
_gen_file_format = "${target_gen_dir}/${target_name}"
_generator_target_name = "${target_name}_template_gen"
_target_name = target_name
action(_generator_target_name) {
testonly = true
script = "//testing/libfuzzer/research/domatolpm/fuzzer_generator.py"
deps = _templated_deps
args = [
"-p",
rebase_path(invoker.template_file, root_build_dir),
"-f",
rebase_path(_gen_file_format, root_build_dir),
"-n",
"${_target_name}",
"-d",
rebase_path(_target_gen_dir, root_gen_dir),
]
foreach(grammar, invoker.grammars) {
_g = []
_g = string_split(grammar, ":")
args += [
"-g",
"${_g[0]}:${_g[0]}",
]
}
inputs = [
"//testing/libfuzzer/research/domatolpm/templates/domatolpm_fuzzer.h.tmpl",
"//testing/libfuzzer/research/domatolpm/templates/domatolpm_fuzzer.cc.tmpl",
"//testing/libfuzzer/research/domatolpm/templates/domatolpm_fuzzer.proto.tmpl",
]
outputs = [
"${_gen_file_format}.proto",
"${_gen_file_format}.h",
"${_gen_file_format}.cc",
]
}
_proto_gen_target_name = "${target_name}_proto_gen"
_target_gen_dir = "${target_gen_dir}"
proto_library(_proto_gen_target_name) {
testonly = true
proto_deps = [ ":${_generator_target_name}" ]
deps = []
foreach(templated_dep, _templated_deps) {
deps += [ "${templated_dep}_proto_gen" ]
}
sources = [ "${_gen_file_format}.proto" ]
import_dirs = [ _target_gen_dir ]
proto_in_dir = "${root_gen_dir}"
proto_out_dir = "."
generate_python = false
}
static_library(target_name) {
testonly = true
public_deps = _templated_deps
public_deps += [
":${_generator_target_name}",
":${_proto_gen_target_name}",
"//base",
]
deps = [ "//testing/libfuzzer/research/domatolpm:domatolpm_context" ]
sources = [
"${_gen_file_format}.cc",
"${_gen_file_format}.h",
]
}
}
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