number.h

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#ifndef NUMBER_H
#define NUMBER_H
 
#include <limits.h>
 
typedef enum
{
 NT_INT1,
 NT_INT8,
 NT_INT16,
 NT_INT32,
 NT_INT64,
} NumberType;
 
static const int numberTypeByteSizes[] = {
 1, 1, 2, 4, 8,
};
 
static const int numberTypeBitSizes[] = {1, 8, 16, 32, 64};
 
static const unsigned long long int numberTypeMaxValues[] = {1, CHAR_MAX, SHRT_MAX, INT_MAX,
 LONG_MAX};
 
static const char* numberTypeFormatStrings[] = {"%d", "%d", "%d", "%d", "%ld"};
 
typedef struct Number {
 NumberType type;
 long long int value;
} Number;
 
#define NUMBER_BOOL(v) \
 (Number) \
 { \
 .type = NT_INT1, .value = v \
 }
 
#define NUMBER_CHAR(v) \
 (Number) \
 { \
 .type = NT_INT8, .value = v \
 }
 
#define NUMBER_SHORT(v) \
 (Number) \
 { \
 .type = NT_INT16, .value = v \
 }
 
#define NUMBER_INT(v) \
 (Number) \
 { \
 .type = NT_INT32, .value = v \
 }
 
#define NUMBER_LONG(v) \
 (Number) \
 { \
 .type = NT_INT64, .value = v \
 }
 
#define NUMBER_FROM_TYPE_VAL(t, v) \
 (Number) \
 { \
 .type = t, .value = v \
 }
 
#define NT_MAX(a, b) (a > b ? a : b)
 
#define NT_MIN(a, b) (NT_MAX(a, b) == a ? b : a)
 
NumberType token_type_to_number_type(int token_type);
int number_to_token_type(Number number);
 
#endif /* NUMBER_H */