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Add source_file_line_basename()

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This commit is contained in:
Ralf W. Grosse-Kunstleve 2022-06-21 14:12:08 -07:00
parent 0feb0be8c2
commit 47c4e7939e
1 changed files with 20 additions and 10 deletions
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30
include/pybind11/cast.h
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@ -65,30 +65,40 @@ inline const char *cpp_version_in_use() {
#endif
}
inline const char *source_file_line_basename(const char *sfl) {
unsigned i_sep = 0;
for (unsigned i = 0; sfl[i]; i++) {
if (sfl[i] == '/' || sfl[i] == '\\') {
i_sep = i;
}
}
return sfl + i_sep;
}
namespace {
template <typename IntrinsicType>
bool odr_guard_impl(const std::type_index &it_ti, const char *tc_id) {
bool odr_guard_impl(const std::type_index &it_ti, const char *source_file_line) {
// std::cout cannot be used here: static initialization could be incomplete.
#define PYBIND11_DETAIL_ODR_GUARD_IMPL_PRINTF_OFF
#ifdef PYBIND11_DETAIL_ODR_GUARD_IMPL_PRINTF_ON
fprintf(stdout, "\nODR_GUARD_IMPL %s %s\n", type_id<IntrinsicType>().c_str(), tc_id);
fprintf(
stdout, "\nODR_GUARD_IMPL %s %s\n", type_id<IntrinsicType>().c_str(), source_file_line);
fflush(stdout);
#endif
std::string tc_id_str{tc_id};
if (tc_id_str.size() > 2 && tc_id_str[0] == '.'
&& (tc_id_str[1] == '/' || tc_id_str[1] == '\\')) {
tc_id_str = tc_id_str.substr(2);
}
auto ins = odr_guard_registry().insert({it_ti, tc_id_str});
std::string sflbn_str{source_file_line_basename(source_file_line)};
auto ins = odr_guard_registry().insert({it_ti, source_file_line});
auto reg_iter = ins.first;
auto added = ins.second;
if (!added && reg_iter->second != tc_id_str) {
if (!added
&& strcmp(source_file_line_basename(reg_iter->second.c_str()),
source_file_line_basename(source_file_line))
!= 0) {
std::system_error err(std::make_error_code(std::errc::state_not_recoverable),
"ODR VIOLATION DETECTED (" + std::string(cpp_version_in_use())
+ "): pybind11::detail::type_caster<" + type_id<IntrinsicType>()
+ ">: SourceLocation1=\"" + reg_iter->second
+ "\", SourceLocation2=\"" + tc_id_str + "\"");
+ "\", SourceLocation2=\"" + source_file_line + "\"");
#define PYBIND11_TYPE_CASTER_ODR_GUARD_THROW_OFF
#ifdef PYBIND11_TYPE_CASTER_ODR_GUARD_THROW_ON
throw err;