mirror of
https://github.com/Russell-S-Harper/COMMON.git
synced 2024-11-24 08:30:57 +00:00
71 lines
1.6 KiB
C
71 lines
1.6 KiB
C
|
#ifndef __COMMON_POST_PROCESS_H
|
||
|
|
#define __COMMON_POST_PROCESS_H
|
||
|
|
|
||
|
|
/* How many bits for ... */
|
||
|
|
|
||
|
|
/* ... internal significands */
|
||
|
|
#define INT_SIGN 48
|
||
|
|
|
||
|
|
/* ... internal fractions */
|
||
|
|
#define INT_FRAC 16
|
||
|
|
|
||
|
|
/* ... internal full numbers */
|
||
|
|
#define INT_FULL (INT_SIGN + INT_FRAC)
|
||
|
|
|
||
|
|
/* ... exported significands */
|
||
|
|
#define EXP_SIGN 20
|
||
|
|
|
||
|
|
/* ... exported fractions */
|
||
|
|
#define EXP_FRAC 10
|
||
|
|
|
||
|
|
/* ... exported full numbers */
|
||
|
|
#define EXP_FULL (EXP_SIGN + EXP_FRAC)
|
||
|
|
|
||
|
|
/*
|
||
|
|
Internal calculations may require left shifting of
|
||
|
|
numbers by INT_FRAC bits, so be aware that the higher
|
||
|
|
bits of numbers may be lost if multiplying or dividing
|
||
|
|
large numbers.
|
||
|
|
|
||
|
|
These are the safe upper limits for various internal
|
||
|
|
significand and fraction combinations in bits.
|
||
|
|
|
||
|
|
+----------+----------+-------------+
|
||
|
|
| INT_SIGN | INT_FRAC | Upper Limit |
|
||
|
|
+----------+----------+-------------+
|
||
|
|
| 64 | 0 | 2^63-1 |
|
||
|
|
| 56 | 8 | 2^47-1 |
|
||
|
|
| 48 | 16 | 2^31-1 |
|
||
|
|
| 40 | 24 | 2^15-1 |
|
||
|
|
+----------+----------+-------------+
|
||
|
|
*/
|
||
|
|
|
||
|
|
/* Definitions for flex and bison */
|
||
|
|
|
||
|
|
#ifndef TOKEN_LEN
|
||
|
|
#define TOKEN_LEN 256
|
||
|
|
#endif /* TOKEN_LEN */
|
||
|
|
#define TOKENS 128
|
||
|
|
#define IO_BUFFER (TOKENS * TOKEN_LEN)
|
||
|
|
|
||
|
|
typedef enum
|
||
|
|
{
|
||
|
|
TT_COMMAND, TT_DEFAULT, TT_WHITE_SPACE, TT_END_OF_LINE
|
||
|
|
} TOKEN_TYPE;
|
||
|
|
|
||
|
|
typedef struct
|
||
|
|
{
|
||
|
|
TOKEN_TYPE type;
|
||
|
|
char text[TOKEN_LEN];
|
||
|
|
} TOKEN;
|
||
|
|
|
||
|
|
extern long long result;
|
||
|
|
|
||
|
|
int yyparse (void);
|
||
|
|
void yyerror(char const *s);
|
||
|
|
|
||
|
|
int tokenizeInput(const char *cursor, TOKEN *tokens);
|
||
|
|
long long parseCommon(const char *input);
|
||
|
|
long long shiftCommon(long long base, long long amount);
|
||
|
|
|
||
|
|
#endif /* __COMMON_POST_PROCESS_H */
|