|
Last change
on this file since 237 was 2, checked in by Rick van der Zwet, 15 years ago |
|
Initial import of data of old repository ('data') worth keeping (e.g. tracking
means of URL access statistics)
|
|
File size:
651 bytes
|
| Rev | Line | |
|---|
| [2] | 1 | /* C declarations */
|
|---|
| 2 | /* vi: set et ts=4: */
|
|---|
| 3 | %{
|
|---|
| 4 |
|
|---|
| 5 | #include <stdio.h>
|
|---|
| 6 | #include "y.tab.h"
|
|---|
| 7 |
|
|---|
| 8 | /* extern C declarations */
|
|---|
| 9 | #if defined(__cplusplus)
|
|---|
| 10 | extern "C" {
|
|---|
| 11 | #endif
|
|---|
| 12 |
|
|---|
| 13 | /* should be defined in stdio.h */
|
|---|
| 14 | extern int fileno(FILE *);
|
|---|
| 15 |
|
|---|
| 16 | #if defined(__cplusplus)
|
|---|
| 17 | }
|
|---|
| 18 | #endif
|
|---|
| 19 |
|
|---|
| 20 |
|
|---|
| 21 | int c;
|
|---|
| 22 | extern int yylval;
|
|---|
| 23 |
|
|---|
| 24 | %}
|
|---|
| 25 |
|
|---|
| 26 | %option nounput
|
|---|
| 27 |
|
|---|
| 28 |
|
|---|
| 29 | /* Patterns */
|
|---|
| 30 | %%
|
|---|
| 31 |
|
|---|
| 32 | " " ;
|
|---|
| 33 | "PI" { return PI; }
|
|---|
| 34 | "(" { return OPEN_PAREN; }
|
|---|
| 35 | ")" { return CLOSE_PAREN; }
|
|---|
| 36 | "**" { return EXPONENT; }
|
|---|
| 37 | [0-9] {
|
|---|
| 38 | c = yytext[0];
|
|---|
| 39 | yylval = c - '0';
|
|---|
| 40 | return DIGIT;
|
|---|
| 41 | }
|
|---|
| 42 |
|
|---|
| 43 |
|
|---|
| 44 | [^0-9\b] {
|
|---|
| 45 | c = yytext[0];
|
|---|
| 46 | return c;
|
|---|
| 47 | }
|
|---|
| 48 |
|
|---|
| 49 | %%
|
|---|
| 50 |
|
|---|
Note:
See
TracBrowser
for help on using the repository browser.
