kopia lustrzana https://github.com/micropython/micropython
27 wiersze
558 B
C
27 wiersze
558 B
C
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// non-local return
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// exception handling, basically a stack of setjmp/longjmp buffers
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#include <limits.h>
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#ifndef __WORDSIZE
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#error __WORDSIZE needs to be defined
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#endif
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typedef struct _nlr_buf_t nlr_buf_t;
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struct _nlr_buf_t {
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// the entries here must all be machine word size
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nlr_buf_t *prev;
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void *ret_val;
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#if __WORDSIZE == 32
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void *regs[6];
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#elif __WORDSIZE == 64
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void *regs[8];
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#else
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#error Unsupported __WORDSIZE
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#endif
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};
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unsigned int nlr_push(nlr_buf_t *);
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void nlr_pop();
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void nlr_jump(void *val) __attribute__((noreturn));
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