62 lines
1.7 KiB
C
62 lines
1.7 KiB
C
#pragma once
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#if __cplusplus
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extern "C" {
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#endif
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#include "std.h"
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#include "types.h"
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typedef enum err_t {
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SUCCESS, // not an error
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ERR_MAXLENGTH, ERR_WRONGTYPE, ERR_WRONGINDEX, ERR_NOTIMPLEMENTED, ERR_NULLPTR, ERR_ENDOFSTR
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} err_t;
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char* errname(err_t err);
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char* __genErrMsg(const char* errmsg, const char* srcfile, int line, const char* funcname);
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char* __extendErrMsg(const char* errmsg, const char* srcfile, int line, const char* funcname);
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typedef struct Maybe{
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Unitype value;
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char* errmsg;
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} Maybe;
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static const Maybe MaybeNull={.value.type=Null, .value.VoidPtr=NULL,.errmsg=NULL};
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void Maybe_free(Maybe e);
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void printMaybe(Maybe e);
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#define SUCCESS(REZLT) (Maybe){.errmsg=NULL, .value=REZLT}
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#define __RETURN_EXCEPTION(ERRMSG) return (Maybe){.errmsg=ERRMSG, .value=UniNull}
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#define __EXIT(ERRMSG) ({ printf("\e[91m%s\e[0m \n", ERRMSG); exit(128); })
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char* __doNothing(char* a);
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char* __unknownErr( );
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#define __stringify_err(E) _Generic(\
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(E),\
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char*: __doNothing,\
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int: errname,\
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default: __unknownErr\
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)(E)
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#define throw(E) __EXIT(((char*)__genErrMsg((__stringify_err(E)), __FILE__,__LINE__,__func__)))
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#define safethrow(E) __RETURN_EXCEPTION(((char*)__genErrMsg((__stringify_err(E)), __FILE__,__LINE__,__func__)))
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#define try(_funcCall, _rezult) Maybe _rezult=_funcCall; if(_rezult.errmsg){\
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_rezult.errmsg=__extendErrMsg(_rezult.errmsg, __FILE__,__LINE__,__func__);\
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return _rezult;\
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}else
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#define tryLast(_funcCall, _rezult) Maybe _rezult=_funcCall; if(_rezult.errmsg){\
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_rezult.errmsg=__extendErrMsg(_rezult.errmsg, __FILE__,__LINE__,__func__);\
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__EXIT(_rezult.errmsg);\
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}else
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#if __cplusplus
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}
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#endif |