pike.git/src/pike_error.h:30533b629879f1135a10d3b7948ee7da7c8f17b6

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For copyright information see COPYRIGHT. || Pike is distributed under GPL, LGPL and MPL. See the file COPYING || for more information. || $Id: pike_error.h,v 1.45 2008/05/27 15:59:17 mast Exp $ */ #ifndef PIKE_ERROR_H #define PIKE_ERROR_H #include <stdarg.h> #ifdef CONFIGURE_TEST #include <stdio.h> static inline void Pike_fatal (const char *fmt, ...) { va_list args; va_start (args, fmt); vfprintf (stderr, fmt, args); abort(); } #define Pike_error Pike_fatal #else /* !CONFIGURE_TEST */ #include "global.h" #ifdef HAVE_SETJMP_H #include <setjmp.h> #undef HAVE_SETJMP_H #endif #if defined(HAVE_SIGSETJMP) && defined(HAVE_SIGLONGJMP) #define HAVE_AND_USE_SIGSETJMP #define LOW_JMP_BUF sigjmp_buf #define LOW_SETJMP(X) sigsetjmp(X, 0) #define LOW_LONGJMP(X, Y) siglongjmp(X, Y) #elif defined(HAVE__SETJMP) && defined(HAVE__LONGJMP) #define HAVE_AND_USE__SETJMP #define LOW_JMP_BUF jmp_buf #define LOW_SETJMP(X) _setjmp(X) #define LOW_LONGJMP(X, Y) _longjmp(X, Y) #else /* Assume we have setjmp and longjmp, they are after all defined by ANSI C. */ #define HAVE_AND_USE_SETJMP #define LOW_JMP_BUF jmp_buf #define LOW_SETJMP(X) setjmp(X) #define LOW_LONGJMP(X, Y) longjmp(X, Y) #endif #if 1 PMOD_EXPORT extern const char msg_fatal_error[]; #define Pike_fatal \ (fprintf(stderr,msg_fatal_error,__FILE__,__LINE__),debug_fatal) #else /* This is useful when debugging assembler code sometimes... -Hubbe */ #define Pike_fatal \ (fprintf(stderr,"%s: Fatal error:\n",__FILE__ ":" DEFINETOSTR(__LINE__) ),debug_fatal) #endif #ifndef NO_PIKE_SHORTHAND #define fatal Pike_fatal #endif PMOD_EXPORT DECLSPEC(noreturn) void debug_va_fatal(const char *fmt, va_list args) ATTRIBUTE((noreturn)); PMOD_EXPORT DECLSPEC(noreturn) void debug_fatal(const char *fmt, ...) ATTRIBUTE((noreturn)); #include "svalue.h" typedef void (*error_call)(void *); #ifndef STRUCT_FRAME_DECLARED #define STRUCT_FRAME_DECLARED struct pike_frame; #endif #define THROW_N_A 0 #define THROW_ERROR 10 #define THROW_THREAD_EXIT 20 #define THROW_THREAD_KILLED 30 #define THROW_EXIT 40 #define THROW_MAX_SEVERITY 100 /* #define ONERROR_DEBUG */ #ifdef ONERROR_DEBUG #define OED_FPRINTF(X) fprintf X #else /* !ONERROR_DEBUG */ #define OED_FPRINTF(X) #endif /* ONERROR_DEBUG */ typedef struct ONERROR { struct ONERROR *previous; struct pike_frame *frame_pointer; error_call func; void *arg; #ifdef PIKE_DEBUG const char *file; int line; #endif /* PIKE_DEBUG */ } ONERROR; typedef struct JMP_BUF { struct JMP_BUF *previous; LOW_JMP_BUF recovery; struct pike_frame *frame_pointer; ptrdiff_t stack_pointer; ptrdiff_t mark_sp; INT32 severity; ONERROR *onerror; #ifdef PIKE_DEBUG int line; char *file; int on_stack; #endif } JMP_BUF; PMOD_EXPORT extern struct svalue throw_value; extern int throw_severity; #ifdef PIKE_DEBUG PMOD_EXPORT extern const char msg_unsetjmp_nosync_1[]; PMOD_EXPORT extern const char msg_unsetjmp_nosync_2[]; #define UNSETJMP(X) do{ \ check_recovery_context(); \ OED_FPRINTF((stderr, "unsetjmp(%p) %s:%d\n", \ &(X), __FILE__, __LINE__)); \ if(Pike_interpreter.recoveries != &X) { \ if(Pike_interpreter.recoveries) \ Pike_fatal(msg_unsetjmp_nosync_1,Pike_interpreter.recoveries->file); \ else \ Pike_fatal(msg_unsetjmp_nosync_2); \ } \ Pike_interpreter.recoveries=X.previous; \ check_recovery_context(); \ }while (0) #ifdef DMALLOC_LOCATION #define PERR_LOCATION() DMALLOC_LOCATION() #else #define PERR_LOCATION() ( __FILE__ ":" DEFINETOSTR(__LINE__) ) #endif #define DEBUG_INIT_REC_ARGS , int on_stack, char *location #define SETJMP(X) LOW_SETJMP((init_recovery(&X, 0, 1, PERR_LOCATION())->recovery)) #define SETJMP_SP(jmp, stack_pop_levels) \ LOW_SETJMP((init_recovery(&jmp, stack_pop_levels, 1, PERR_LOCATION())->recovery)) #else /* !PIKE_DEBUG */ #define DEBUG_INIT_REC_ARGS #define SETJMP(X) LOW_SETJMP((init_recovery(&X, 0)->recovery)) #define SETJMP_SP(jmp, stack_pop_levels) \ LOW_SETJMP((init_recovery(&jmp, stack_pop_levels)->recovery)) #define UNSETJMP(X) Pike_interpreter.recoveries=X.previous #endif /* !PIKE_DEBUG */ #ifdef PIKE_DEBUG #define SET_ONERROR(X,Y,Z) \ do{ \ check_recovery_context(); \ OED_FPRINTF((stderr, "SET_ONERROR(%p, %p, %p) %s:%d\n", \ &(X), (Y), (void *)(Z), __FILE__, __LINE__)); \ X.frame_pointer = Pike_interpreter.frame_pointer; \ X.func=(error_call)(Y); \ DO_IF_DMALLOC( if( X.func == free ) X.func=dmalloc_free;) \ X.arg=(void *)(Z); \ if(!Pike_interpreter.recoveries) break; \ X.previous=Pike_interpreter.recoveries->onerror; \ X.file = __FILE__; \ X.line = __LINE__; \ Pike_interpreter.recoveries->onerror=&X; \ }while(0) PMOD_EXPORT extern const char msg_last_setjmp[]; PMOD_EXPORT extern const char msg_unset_onerr_nosync_1[]; PMOD_EXPORT extern const char msg_unset_onerr_nosync_2[]; #define UNSET_ONERROR(X) do {\ check_recovery_context(); \ OED_FPRINTF((stderr, "UNSET_ONERROR(%p) %s:%d\n", \ &(X), __FILE__, __LINE__)); \ if(!Pike_interpreter.recoveries) break; \ if(Pike_interpreter.recoveries->onerror != &(X)) { \ fprintf(stderr,msg_last_setjmp,Pike_interpreter.recoveries->file); \ if (Pike_interpreter.recoveries->onerror) { \ Pike_fatal(msg_unset_onerr_nosync_1,\ Pike_interpreter.recoveries->onerror, &(X), \ Pike_interpreter.recoveries->onerror->file); \ } else { \ Pike_fatal(msg_unset_onerr_nosync_2); \ } \ } \ Pike_interpreter.recoveries->onerror=(X).previous; \ } while(0) PMOD_EXPORT extern const char msg_assert_onerr[]; #define ASSERT_ONERROR(X) \ do{ \ if (!Pike_interpreter.recoveries) break; \ if (Pike_interpreter.recoveries->onerror != &X) { \ Pike_fatal(msg_assert_onerr, \ __FILE__, __LINE__, &(X)); \ } \ }while(0) #else /* !PIKE_DEBUG */ #define SET_ONERROR(X,Y,Z) \ do{ \ X.func=(error_call)(Y); \ X.arg=(void *)(Z); \ X.frame_pointer = Pike_interpreter.frame_pointer; \ if(!Pike_interpreter.recoveries) break; \ X.previous=Pike_interpreter.recoveries->onerror; \ Pike_interpreter.recoveries->onerror=&X; \ }while(0) #define UNSET_ONERROR(X) Pike_interpreter.recoveries && (Pike_interpreter.recoveries->onerror=X.previous) #define ASSERT_ONERROR(X) #endif /* PIKE_DEBUG */ #define CALL_AND_UNSET_ONERROR(X) do { \ X.func(X.arg); \ UNSET_ONERROR(X); \ }while(0) #if defined(PIKE_DEBUG) && 0 /* Works, but probably not interresting for most people * /grubba 1998-04-11 */ #define PIKE_ERROR(NAME, TEXT, SP, ARGS) new_error(NAME, TEXT, SP, ARGS, __FILE__, __LINE__) #else #define PIKE_ERROR(NAME, TEXT, SP, ARGS) new_error(NAME, TEXT, SP, ARGS, NULL, 0) #endif /* PIKE_DEBUG */ /* Prototypes begin here */ PMOD_EXPORT void check_recovery_context(void); PMOD_EXPORT void pike_gdb_breakpoint(INT32 args); PMOD_EXPORT JMP_BUF *init_recovery(JMP_BUF *r, size_t stack_pop_levels DEBUG_INIT_REC_ARGS); PMOD_EXPORT DECLSPEC(noreturn) void pike_throw(void) ATTRIBUTE((noreturn)); PMOD_EXPORT void push_error(const char *description); PMOD_EXPORT DECLSPEC(noreturn) void low_error(const char *buf) ATTRIBUTE((noreturn)); PMOD_EXPORT void Pike_vsnprintf(char *str, size_t size, const char *fmt, va_list ap); void DECLSPEC(noreturn) va_error(const char *fmt, va_list args) ATTRIBUTE((noreturn)); PMOD_EXPORT DECLSPEC(noreturn) void new_error(const char *name, const char *text, struct svalue *oldsp, INT32 args, const char *file, int line) ATTRIBUTE((noreturn)); PMOD_EXPORT void exit_on_error(const void *msg); PMOD_EXPORT void fatal_on_error(const void *msg); PMOD_EXPORT DECLSPEC(noreturn) void Pike_error(const char *fmt,...) ATTRIBUTE((noreturn)); PMOD_EXPORT DECLSPEC(noreturn) void debug_fatal(const char *fmt, ...) ATTRIBUTE((noreturn)); PMOD_EXPORT DECLSPEC(noreturn) void generic_error_va( struct object *o, const char *func, const struct svalue *base_sp, int args, const char *fmt, va_list *fmt_args) ATTRIBUTE((noreturn)); PMOD_EXPORT DECLSPEC(noreturn) void throw_error_object( struct object *o, const char *func, struct svalue *base_sp, int args, const char *desc, ...) ATTRIBUTE((noreturn)); PMOD_EXPORT void DECLSPEC(noreturn) generic_error( const char *func, struct svalue *base_sp, int args, const char *desc, ...) ATTRIBUTE((noreturn)); PMOD_EXPORT DECLSPEC(noreturn) void index_error( const char *func, struct svalue *base_sp, int args, struct svalue *val, struct svalue *ind, const char *desc, ...) ATTRIBUTE((noreturn)); PMOD_EXPORT DECLSPEC(noreturn) void bad_arg_error( const char *func, struct svalue *base_sp, int args, int which_arg, const char *expected_type, struct svalue *got, const char *desc, ...) ATTRIBUTE((noreturn)); PMOD_EXPORT void DECLSPEC(noreturn) math_error( const char *func, struct svalue *base_sp, int args, struct svalue *number, const char *desc, ...) ATTRIBUTE((noreturn)); PMOD_EXPORT void DECLSPEC(noreturn) resource_error( const char *func, struct svalue *base_sp, int args, const char *resource_type, size_t howmuch, const char *desc, ...) ATTRIBUTE((noreturn)); PMOD_EXPORT void DECLSPEC(noreturn) permission_error( const char *func, struct svalue *base_sp, int args, const char *permission_type, const char *desc, ...) ATTRIBUTE((noreturn)); PMOD_EXPORT void wrong_number_of_args_error(const char *name, int args, int expected) ATTRIBUTE((noreturn)); void init_error(void); void cleanup_error(void); /* Prototypes end here */ /* Some useful error macros. */ /* This one should be used when the type of the argument is wrong. */ PMOD_EXPORT extern const char msg_bad_arg[]; #define SIMPLE_ARG_TYPE_ERROR(FUNC, ARG, EXPECT) \ bad_arg_error(FUNC, Pike_sp-args, args, ARG, EXPECT, Pike_sp+ARG-1-args,\ msg_bad_arg, ARG, FUNC, EXPECT) /* Less descriptive macro name kept for compatibility. */ #define SIMPLE_BAD_ARG_ERROR(FUNC, ARG, EXPECT) \ bad_arg_error(FUNC, Pike_sp-args, args, ARG, EXPECT, Pike_sp+ARG-1-args,\ msg_bad_arg, ARG, FUNC, EXPECT) /* This one should be used when there's some problem with the argument * other than a bogus type. PROBLEM is a full sentence without a * trailing newline. */ PMOD_EXPORT extern const char msg_bad_arg_2[]; #define SIMPLE_ARG_ERROR(FUNC, ARG, PROBLEM) \ bad_arg_error (FUNC, Pike_sp-args, args, ARG, NULL, Pike_sp+ARG-1-args, \ msg_bad_arg_2, ARG, FUNC, PROBLEM) #define SIMPLE_WRONG_NUM_ARGS_ERROR(FUNC, ARG) \ wrong_number_of_args_error (FUNC, args, ARG) /* The following is for compatibility. */ #define SIMPLE_TOO_FEW_ARGS_ERROR(FUNC, ARG) \ wrong_number_of_args_error (FUNC, args, ARG) PMOD_EXPORT extern const char msg_out_of_mem[]; PMOD_EXPORT extern const char msg_out_of_mem_2[]; static INLINE void DECLSPEC(noreturn) out_of_memory_error ( const char *func, struct svalue *base_sp, int args, size_t amount) ATTRIBUTE((noreturn)); static INLINE void DECLSPEC(noreturn) out_of_memory_error ( const char *func, struct svalue *base_sp, int args, size_t amount) { resource_error (func, base_sp, args, "memory", amount, amount ? msg_out_of_mem_2 : msg_out_of_mem, amount); } #define SIMPLE_OUT_OF_MEMORY_ERROR(FUNC, AMOUNT) \ out_of_memory_error(FUNC, Pike_sp-args, args, AMOUNT) PMOD_EXPORT extern const char msg_div_by_zero[]; #define SIMPLE_DIVISION_BY_ZERO_ERROR(FUNC) \ math_error(FUNC, Pike_sp-args, args, 0, msg_div_by_zero) #ifndef PIKE_DEBUG #define check_recovery_context() ((void)0) #endif /* Experimental convenience exception macros. */ #define exception_try \ do \ { \ int __exception_rethrow, __is_exception; \ JMP_BUF exception; \ __is_exception = SETJMP(exception); \ __exception_rethrow = 0; \ if(__is_exception) /* rethrow needs this */ \ UNSETJMP(exception); \ if(!__is_exception) #define exception_catch_if \ else if #define exception_catch(e) \ exception_catch_if(exception->severity = (e)) #define exception_catch_all \ exception_catch_if(1) #define exception_semicatch_all \ exception_catch_if((__exception_rethrow = 1)) #define rethrow \ pike_throw() #define exception_endtry \ else \ __exception_rethrow = 1; \ if(__is_exception) { \ free_svalue(&throw_value); \ mark_free_svalue (&throw_value); \ } \ else \ UNSETJMP(exception); \ if(__exception_rethrow) \ rethrow; \ } \ while(0) /* Generic error stuff */ #define ERR_EXT_DECLARE #include "errors.h" #endif /* !CONFIGURE_TEST */ #endif /* PIKE_ERROR_H */

pike.git/ src/ pike_error.h > 30533b629879f1135a10d3b7948ee7da7c8f17b6 [Annotate]