33 lines
815 B
C++
33 lines
815 B
C++
#ifndef LIBCUBESCRIPT_ERROR_HH
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#define LIBCUBESCRIPT_ERROR_HH
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#include <cubescript/cubescript.hh>
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#include <cstdio>
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#include <cstddef>
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namespace cubescript {
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struct error_p {
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template<typename ...A>
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static error make(state &cs, std::string_view msg, A const &...args) {
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std::size_t sz = msg.size() + 64;
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char *buf, *sp;
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for (;;) {
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buf = state_p{cs}.ts().request_errbuf(sz, sp);
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int written = std::snprintf(buf, sz, msg.data(), args...);
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if (written <= 0) {
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throw error{cs, "malformed format string"};
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} else if (std::size_t(written) <= sz) {
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break;
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}
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sz = std::size_t(written);
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}
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return error{cs, sp, buf + sz};
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}
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};
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} /* namespace cubescript */
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#endif
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