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Optimize format string parsing

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This commit is contained in:
Victor Zverovich
2020-06-06 07:13:38 -07:00
parent 09737dd83b
commit f11e968708
5 changed files with 68 additions and 71 deletions
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20
test/format
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@@ -596,23 +596,20 @@ struct format_handler : detail::error_handler {
context.advance_to(out);
}
void on_arg_id() {
arg = context.arg(parse_ctx.next_arg_id());
}
void on_arg_id(unsigned id) {
parse_ctx.check_arg_id(id);
arg = context.arg(id);
}
void on_arg_id(fmt::basic_string_view<Char>) {}
int on_arg_id() { return parse_ctx.next_arg_id(); }
int on_arg_id(unsigned id) { return parse_ctx.check_arg_id(id), id; }
int on_arg_id(fmt::basic_string_view<Char>) { return 0; }
void on_replacement_field(const Char* p) {
parse_ctx.advance_to(parse_ctx.begin() + (p - &*parse_ctx.begin()));
void on_replacement_field(int id, const Char* p) {
auto arg = context.arg(id);
parse_ctx.advance_to(parse_ctx.begin() + (p - &*parse_ctx.begin()));
custom_formatter<Context> f(parse_ctx, context);
if (!visit_format_arg(f, arg))
context.advance_to(visit_format_arg(ArgFormatter(context, &parse_ctx), arg));
}
const Char* on_format_specs(const Char* begin, const Char* end) {
const Char* on_format_specs(int id, const Char* begin, const Char* end) {
auto arg = context.arg(id);
parse_ctx.advance_to(parse_ctx.begin() + (begin - &*parse_ctx.begin()));
custom_formatter<Context> f(parse_ctx, context);
if (visit_format_arg(f, arg)) return &*parse_ctx.begin();
@@ -630,7 +627,6 @@ struct format_handler : detail::error_handler {
basic_format_parse_context<Char> parse_ctx;
Context context;
basic_format_arg<Context> arg;
};
template <typename T, typename Char>