projects / unix-history / blame
| Commit | Line | Data |
|---|---|---|
| 1fb887dd | 1 | /* |
| 3b06703c | 2 | * @(#)context.h 3.2 83/12/07 |
| 1fb887dd EW |
3 | */ |
| 4 | ||
| 5 | struct context { | |
| 6 | struct context *x_link; /* nested contexts */ | |
| 7 | char x_type; | |
| 8 | union { /* input info */ | |
| 9 | struct { | |
| 10 | char *X_filename; | |
| 11 | FILE *X_fp; | |
| 3b06703c | 12 | short X_lineno; |
| 1fb887dd | 13 | char X_bol; |
| 3b06703c | 14 | char X_noerrwin; |
| 1fb887dd | 15 | struct ww *X_errwin; |
| 1fb887dd EW |
16 | } x_f; |
| 17 | struct { | |
| 18 | char *X_buf; | |
| 19 | char *X_bufp; | |
| 20 | } x_b; | |
| 21 | } x_un; | |
| 22 | int x_token; /* holding place for token */ | |
| 23 | struct value x_val; | |
| 24 | unsigned x_erred :1; /* parser error flags */ | |
| 25 | unsigned x_synerred :1; | |
| 26 | unsigned x_abort :1; | |
| 27 | }; | |
| 28 | #define x_buf x_un.x_b.X_buf | |
| 29 | #define x_bufp x_un.x_b.X_bufp | |
| 30 | #define x_filename x_un.x_f.X_filename | |
| 31 | #define x_fp x_un.x_f.X_fp | |
| 32 | #define x_lineno x_un.x_f.X_lineno | |
| 1fb887dd EW |
33 | #define x_bol x_un.x_f.X_bol |
| 34 | #define x_errwin x_un.x_f.X_errwin | |
| 3b06703c | 35 | #define x_noerrwin x_un.x_f.X_noerrwin |
| 1fb887dd EW |
36 | |
| 37 | #define X_FILE 1 | |
| 38 | #define X_BUF 2 | |
| 39 | ||
| 40 | struct context cx; | |
| 41 | ||
| 42 | struct context *x_alloc(); |