factor/vm/errors.h

50 lines
1.3 KiB
C
Executable File

/* Runtime errors */
typedef enum
{
ERROR_EXPIRED = 0,
ERROR_IO,
ERROR_UNDEFINED_WORD,
ERROR_TYPE,
ERROR_DIVIDE_BY_ZERO,
ERROR_SIGNAL,
ERROR_ARRAY_SIZE,
ERROR_C_STRING,
ERROR_FFI,
ERROR_HEAP_SCAN,
ERROR_UNDEFINED_SYMBOL,
ERROR_DS_UNDERFLOW,
ERROR_DS_OVERFLOW,
ERROR_RS_UNDERFLOW,
ERROR_RS_OVERFLOW,
ERROR_MEMORY,
ERROR_NOT_IMPLEMENTED,
} F_ERRORTYPE;
void fatal_error(char* msg, CELL tagged);
void critical_error(char* msg, CELL tagged);
DECLARE_PRIMITIVE(die);
void throw_error(CELL error, F_STACK_FRAME *native_stack);
void general_error(F_ERRORTYPE error, CELL arg1, CELL arg2, F_STACK_FRAME *native_stack);
void divide_by_zero_error(F_STACK_FRAME *native_stack);
void memory_protection_error(CELL addr, F_STACK_FRAME *native_stack);
void signal_error(int signal, F_STACK_FRAME *native_stack);
void type_error(CELL type, CELL tagged);
void not_implemented_error(void);
F_FASTCALL void undefined_error(CELL word, F_STACK_FRAME *callstack_top);
DECLARE_PRIMITIVE(throw);
DECLARE_PRIMITIVE(call_clear);
INLINE void type_check(CELL type, CELL tagged)
{
if(type_of(tagged) != type) type_error(type,tagged);
}
/* Global variables used to pass fault handler state from signal handler to
user-space */
CELL signal_number;
CELL signal_fault_addr;
void *signal_callstack_top;