picrin/include/picrin/error.h

59 lines
1.2 KiB
C

/**
* See Copyright Notice in picrin.h
*/
#ifndef PICRIN_ERROR_H__
#define PICRIN_ERROR_H__
#if defined(__cplusplus)
extern "C" {
#endif
struct pic_jmpbuf {
jmp_buf here;
pic_callinfo *ci;
pic_value *sp;
pic_code *ip;
jmp_buf *prev_jmp;
struct pic_jmpbuf *prev;
};
/* do not return from try block! */
#define pic_try \
pic_push_try(pic); \
if (setjmp(*pic->jmp) == 0) \
do
#define pic_catch \
while (pic_pop_try(pic), 0); \
else \
if (pic_pop_try(pic), 1)
void pic_push_try(pic_state *);
void pic_pop_try(pic_state *);
noreturn void pic_throw(pic_state *, short, const char *, pic_value);
noreturn void pic_throw_error(pic_state *, struct pic_error *);
struct pic_error {
PIC_OBJECT_HEADER
enum pic_error_kind {
PIC_ERROR_OTHER,
PIC_ERROR_FILE,
PIC_ERROR_READ,
PIC_ERROR_RAISED
} type;
struct pic_string *msg;
pic_value irrs;
pic_str *stack;
};
#define pic_error_p(v) (pic_type(v) == PIC_TT_ERROR)
#define pic_error_ptr(v) ((struct pic_error *)pic_ptr(v))
#if defined(__cplusplus)
}
#endif
#endif