forked from M-Labs/artiq
39 lines
734 B
C
39 lines
734 B
C
#include "exceptions.h"
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#include "corecom.h"
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#define MAX_EXCEPTION_CONTEXTS 64
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struct exception_context {
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void *jb[13];
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};
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static struct exception_context exception_contexts[MAX_EXCEPTION_CONTEXTS];
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static int ec_top;
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static int stored_id;
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void *exception_push(void)
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{
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if(ec_top >= MAX_EXCEPTION_CONTEXTS)
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exception_raise(EID_OUT_OF_MEMORY);
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return exception_contexts[ec_top++].jb;
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}
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void exception_pop(int levels)
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{
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ec_top -= levels;
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}
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int exception_getid(void)
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{
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return stored_id;
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}
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void exception_raise(int id)
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{
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if(ec_top > 0) {
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stored_id = id;
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exception_longjmp(exception_contexts[--ec_top].jb);
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} else
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corecom_log("WARNING: uncaught exception, ID=%d\n", id);
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}
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