08/02/17 03:32:45
>>719 でけた。TRY～END_TRYの中からreturn出来ないけど。
typedef struct ex_handler_rec_ ex_handler_rec_;
struct ex_handler_rec_ {
ex_handler_rec_ *volatile prev_;
jmp_buf jbuf_;
const char *volatile ex_type_;
void *volatile ex_data_;
};
ex_handler_rec_ *volatile current_handler_ = NULL;
#define EX_ABBREV(x) x
#define TRY { \
ex_handler_rec_ EX_ABBREV(ex_handler_); \
int EX_ABBREV(need_rethrow_) = 0; \
if (0) BREAK_TRY; /* mandate finally clause */ \
EX_ABBREV(ex_handler_).prev_ = current_handler_; \
current_handler_ = &EX_ABBREV(ex_handler_); \
if (setjmp(EX_ABBREV(ex_handler_).jbuf_) == 0) {
#define BREAK_TRY goto EX_ABBREV(break_entry_)
#define RETHROW goto EX_ABBREV(rethrow_entry_)
#define CATCH(extype) \
} else if (!extype || !strcmp(extype, EX_ABBREV(ex_handler_).ex_type_)) { \
void *EX_ABBREV(ex_data) = EX_ABBREV(ex_handler_).ex_data_;
#define CATCH_ALL \
} else if (1) { \
void *EX_ABBREV(ex_data) = EX_ABBREV(ex_handler_).ex_data_;