mirror of https://github.com/CPunch/Laika.git
55 lines
2.7 KiB
C
55 lines
2.7 KiB
C
#ifndef LAIKA_ERROR_H
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#define LAIKA_ERROR_H
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#include "laika.h"
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#include <setjmp.h>
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#include <stdio.h>
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/* defines errorstack size */
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#define LAIKA_MAXERRORS 32
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/* DO NOT RETURN/GOTO/BREAK or otherwise skip LAIKA_TRYEND */
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#define LAIKA_TRY if (setjmp(eLaika_errStack[++eLaika_errIndx]) == 0) {
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#define LAIKA_CATCH \
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} \
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else \
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{
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#define LAIKA_TRYEND \
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} \
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--eLaika_errIndx;
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/* if eLaika_errIndx is >= 0, we have a safe spot to jump too if an error is thrown */
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#define LAIKA_ISPROTECTED (eLaika_errIndx >= 0)
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/* LAIKA_ERROR(printf args):
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if called after a LAIKA_TRY block will jump to the previous LAIKA_CATCH/LAIKA_TRYEND block,
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otherwise program is exit()'d. if DEBUG is defined printf is called with passed args, else
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arguments are ignored.
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*/
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#ifndef DEBUG
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# define LAIKA_ERROR(...) \
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do { \
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if (LAIKA_ISPROTECTED) \
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longjmp(eLaika_errStack[eLaika_errIndx], 1); \
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else \
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exit(1); \
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} while (0);
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# define LAIKA_WARN(...) ((void)0) /* no op */
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#else
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# define LAIKA_ERROR(...) \
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do { \
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printf("[ERROR] : " __VA_ARGS__); \
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if (LAIKA_ISPROTECTED) \
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longjmp(eLaika_errStack[eLaika_errIndx], 1); \
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else \
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exit(1); \
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} while (0);
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# define LAIKA_WARN(...) printf("[WARN] : " __VA_ARGS__);
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#endif
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extern int eLaika_errIndx;
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extern jmp_buf eLaika_errStack[LAIKA_MAXERRORS];
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#endif |