35 lines
1.2 KiB
C++
35 lines
1.2 KiB
C++
// Copyright (C) 2017 Jonathan Müller <jonathanmueller.dev@gmail.com>
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// This file is subject to the license terms in the LICENSE file
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// found in the top-level directory of this distribution.
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/// \file
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/// This is a very primitive version of the cppast tool.
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///
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/// Given an input file it will print the AST.
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#include <cppast/visitor.hpp> // visit()
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#include "example_parser.hpp"
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void print_ast(const cppast::cpp_file& file)
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{
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std::string prefix;
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// visit each entity in the file
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cppast::visit(file, [&](const cppast::cpp_entity& e, cppast::visitor_info info) {
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if (info.event == cppast::visitor_info::container_entity_exit) // exiting an old container
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prefix.pop_back();
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else if (info.event == cppast::visitor_info::container_entity_enter)
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// entering a new container
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{
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std::cout << prefix << "'" << e.name() << "' - " << cppast::to_string(e.kind()) << '\n';
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prefix += "\t";
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}
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else // if (info.event == cppast::visitor_info::leaf_entity) // a non-container entity
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std::cout << prefix << "'" << e.name() << "' - " << cppast::to_string(e.kind()) << '\n';
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});
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}
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int main(int argc, char* argv[])
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{
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return example_main(argc, argv, {}, &print_ast);
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}
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