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