diff options
Diffstat (limited to '')
-rw-r--r-- | web/server/h2o/libh2o/deps/mruby/mrbgems/mruby-error/src/exception.c | 100 |
1 files changed, 100 insertions, 0 deletions
diff --git a/web/server/h2o/libh2o/deps/mruby/mrbgems/mruby-error/src/exception.c b/web/server/h2o/libh2o/deps/mruby/mrbgems/mruby-error/src/exception.c new file mode 100644 index 00000000..170abb69 --- /dev/null +++ b/web/server/h2o/libh2o/deps/mruby/mrbgems/mruby-error/src/exception.c @@ -0,0 +1,100 @@ +#include <mruby.h> +#include <mruby/throw.h> +#include <mruby/error.h> + +MRB_API mrb_value +mrb_protect(mrb_state *mrb, mrb_func_t body, mrb_value data, mrb_bool *state) +{ + struct mrb_jmpbuf *prev_jmp = mrb->jmp; + struct mrb_jmpbuf c_jmp; + mrb_value result = mrb_nil_value(); + + if (state) { *state = FALSE; } + + MRB_TRY(&c_jmp) { + mrb->jmp = &c_jmp; + result = body(mrb, data); + mrb->jmp = prev_jmp; + } MRB_CATCH(&c_jmp) { + mrb->jmp = prev_jmp; + result = mrb_obj_value(mrb->exc); + mrb->exc = NULL; + if (state) { *state = TRUE; } + } MRB_END_EXC(&c_jmp); + + mrb_gc_protect(mrb, result); + return result; +} + +MRB_API mrb_value +mrb_ensure(mrb_state *mrb, mrb_func_t body, mrb_value b_data, mrb_func_t ensure, mrb_value e_data) +{ + struct mrb_jmpbuf *prev_jmp = mrb->jmp; + struct mrb_jmpbuf c_jmp; + mrb_value result; + + MRB_TRY(&c_jmp) { + mrb->jmp = &c_jmp; + result = body(mrb, b_data); + mrb->jmp = prev_jmp; + } MRB_CATCH(&c_jmp) { + mrb->jmp = prev_jmp; + ensure(mrb, e_data); + MRB_THROW(mrb->jmp); /* rethrow catched exceptions */ + } MRB_END_EXC(&c_jmp); + + ensure(mrb, e_data); + mrb_gc_protect(mrb, result); + return result; +} + +MRB_API mrb_value +mrb_rescue(mrb_state *mrb, mrb_func_t body, mrb_value b_data, + mrb_func_t rescue, mrb_value r_data) +{ + return mrb_rescue_exceptions(mrb, body, b_data, rescue, r_data, 1, &mrb->eStandardError_class); +} + +MRB_API mrb_value +mrb_rescue_exceptions(mrb_state *mrb, mrb_func_t body, mrb_value b_data, mrb_func_t rescue, mrb_value r_data, + mrb_int len, struct RClass **classes) +{ + struct mrb_jmpbuf *prev_jmp = mrb->jmp; + struct mrb_jmpbuf c_jmp; + mrb_value result; + mrb_bool error_matched = FALSE; + mrb_int i; + + MRB_TRY(&c_jmp) { + mrb->jmp = &c_jmp; + result = body(mrb, b_data); + mrb->jmp = prev_jmp; + } MRB_CATCH(&c_jmp) { + mrb->jmp = prev_jmp; + + for (i = 0; i < len; ++i) { + if (mrb_obj_is_kind_of(mrb, mrb_obj_value(mrb->exc), classes[i])) { + error_matched = TRUE; + break; + } + } + + if (!error_matched) { MRB_THROW(mrb->jmp); } + + mrb->exc = NULL; + result = rescue(mrb, r_data); + } MRB_END_EXC(&c_jmp); + + mrb_gc_protect(mrb, result); + return result; +} + +void +mrb_mruby_error_gem_init(mrb_state *mrb) +{ +} + +void +mrb_mruby_error_gem_final(mrb_state *mrb) +{ +} |