mirror of
https://github.com/JakeHillion/object-introspection.git
synced 2024-09-19 19:19:05 +01:00
108 lines
3.1 KiB
C++
108 lines
3.1 KiB
C++
/*
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* Copyright (c) Meta Platforms, Inc. and affiliates.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include <glog/logging.h>
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#include <cstdlib>
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#include <filesystem>
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#include <iostream>
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#include "oi/OICodeGen.h"
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#include "oi/OIGenerator.h"
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#include "oi/OIOpts.h"
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namespace fs = std::filesystem;
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using namespace oi::detail;
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constexpr static OIOpts opts{
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OIOpt{'h', "help", no_argument, nullptr, "Print this message and exit."},
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OIOpt{'o', "output", required_argument, "<file>",
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"Write output(s) to file(s) with this prefix."},
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OIOpt{'c', "config-file", required_argument, "<oid.toml>",
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"Path to OI configuration file."},
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OIOpt{'d', "dump-jit", optional_argument, "<jit.cpp>",
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"Write generated code to a file (for debugging)."},
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OIOpt{'e', "exit-code", no_argument, nullptr,
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"Return a bad exit code if nothing is generated."},
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};
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void usage() {
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std::cerr << "usage: oilgen ARGS INPUT_OBJECT" << std::endl;
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std::cerr << opts;
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std::cerr << std::endl
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<< "You probably shouldn't be calling this application directly. "
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"It's meant to be"
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<< std::endl
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<< "called by a clang plugin automatically with BUCK." << std::endl;
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}
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int main(int argc, char* argv[]) {
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google::InitGoogleLogging(argv[0]);
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FLAGS_minloglevel = 0;
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FLAGS_stderrthreshold = 0;
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fs::path outputPath = "a.o";
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fs::path configFilePath = "/usr/local/share/oi/base.oid.toml";
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fs::path sourceFileDumpPath = "";
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bool exitCode = false;
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int c;
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while ((c = getopt_long(argc, argv, opts.shortOpts(), opts.longOpts(),
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nullptr)) != -1) {
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switch (c) {
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case 'h':
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usage();
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return EXIT_SUCCESS;
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case 'o':
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outputPath = optarg;
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break;
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case 'c':
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configFilePath = optarg;
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break;
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case 'd':
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sourceFileDumpPath = optarg != nullptr ? optarg : "jit.cpp";
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break;
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case 'e':
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exitCode = true;
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break;
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}
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}
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if (optind >= argc) {
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usage();
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return EXIT_FAILURE;
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}
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fs::path primaryObject = argv[optind];
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if ((setenv("DRGN_ENABLE_TYPE_ITERATOR", "1", 1)) < 0) {
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LOG(ERROR) << "Failed to set environment variable\
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DRGN_ENABLE_TYPE_ITERATOR\n";
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exit(EXIT_FAILURE);
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}
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OIGenerator oigen;
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oigen.setOutputPath(std::move(outputPath));
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oigen.setConfigFilePath(std::move(configFilePath));
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oigen.setSourceFileDumpPath(sourceFileDumpPath);
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oigen.setFailIfNothingGenerated(exitCode);
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SymbolService symbols(primaryObject);
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return oigen.generate(primaryObject, symbols);
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}
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