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Add parse_database() function

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This commit is contained in:
Jonathan Müller 2017-06-27 16:41:32 +02:00
commit 7092946091
2 changed files with 66 additions and 18 deletions
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34
include/cppast/libclang_parser.hpp
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@ -12,6 +12,7 @@
namespace cppast
{
class libclang_compile_config;
class libclang_compilation_database;
namespace detail
{
@ -23,6 +24,9 @@ namespace cppast
static const std::vector<std::string>& flags(const libclang_compile_config& config);
};
void for_each_file(const libclang_compilation_database& database, void* user_data,
void (*callback)(void*, std::string));
} // namespace detail
/// The exception thrown when a fatal parse error occurs.
@ -77,6 +81,8 @@ namespace cppast
database database_;
friend libclang_compile_config;
friend void detail::for_each_file(const libclang_compilation_database& database,
void* user_data, void (*callback)(void*, std::string));
};
/// Compilation config for the [cppast::libclang_parser]().
@ -168,7 +174,7 @@ namespace cppast
///
/// \throws [cppast::libclang_error]() if no configuration for a given file could be found in the database.
///
/// \requires `FileParser` must use [cppast::libclang_parser](),
/// \requires `FileParser` must use the libclang parser.
/// i.e. `FileParser::parser` must be an alias of [cppast::libclang_parser]().
template <class FileParser, class Range>
void parse_files(FileParser& parser, Range&& file_names,
@ -183,6 +189,32 @@ namespace cppast
return config.value();
});
}
/// Parses the files specified in a compilation database using a [cppast::libclang_parser]().
///
/// \effects For each file specified in a compilation database,
/// uses the `FileParser` to parse the file with the configuration specified in the database.
///
/// \requires `FileParser` must have the same requirements as for [cppast::parse_files](standardese://parse_files_basic/).
/// It must also use the libclang parser,
/// i.e. `FileParser::parser` must be an alias of [cppast::libclang_parser]().
template <class FileParser>
void parse_database(FileParser& parser, const libclang_compilation_database& database)
{
static_assert(std::is_same<typename FileParser::parser, libclang_parser>::value,
"must use the libclang parser");
struct data_t
{
FileParser& parser;
const libclang_compilation_database& database;
} data{parser, database};
detail::for_each_file(database, &data, [](void* ptr, std::string file) {
auto& data = *static_cast<data_t*>(ptr);
libclang_compile_config config(data.database, file);
data.parser.parse(std::move(file), std::move(config));
});
}
} // namespace cppast
#endif // CPPAST_LIBCLANG_PARSER_HPP_INCLUDED