56 lines
1.5 KiB
C++
56 lines
1.5 KiB
C++
// Copyright (C) 2017-2022 Jonathan Müller and cppast contributors
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// SPDX-License-Identifier: MIT
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#ifndef CPPAST_EXAMPLE_PARSER_HPP_INCLUDED
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#define CPPAST_EXAMPLE_PARSER_HPP_INCLUDED
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#include <iostream>
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#include <cppast/libclang_parser.hpp>
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// reads the database directory from the command line argument
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// parses all files in that directory
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// and invokes the callback for each of them
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template <typename Callback>
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int example_main(int argc, char* argv[], const cppast::cpp_entity_index& index, Callback cb)
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try
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{
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if (argc != 2)
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{
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std::cerr << "usage: " << argv[0] << " <compile-commands-json-dir>\n";
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return 1;
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}
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else
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{
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cppast::libclang_compilation_database database(argv[1]); // the compilation database
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// simple_file_parser allows parsing multiple files and stores the results for us
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cppast::simple_file_parser<cppast::libclang_parser> parser(type_safe::ref(index));
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try
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{
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cppast::parse_database(parser, database); // parse all files in the database
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}
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catch (cppast::libclang_error& ex)
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{
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std::cerr << "fatal libclang error: " << ex.what() << '\n';
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return 1;
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}
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if (parser.error())
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// a non-fatal parse error
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// error has been logged to stderr
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return 1;
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for (auto& file : parser.files())
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cb(file);
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}
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return 0;
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}
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catch (std::exception& ex)
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{
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std::cerr << ex.what() << '\n';
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return 1;
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}
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#endif // CPPAST_EXAMPLE_PARSER_HPP_INCLUDED
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