projects / unix-history / blame
| Commit | Line | Data |
|---|---|---|
| 1fb887dd EW |
1 | /* |
| 2 | * @(#)context.h 3.1 83/11/22 | |
| 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; | |
| 12 | char X_bol; | |
| 13 | int X_lineno; | |
| 14 | int X_errlineno; | |
| 15 | struct ww *X_errwin; | |
| 16 | char X_baderr; | |
| 17 | } x_f; | |
| 18 | struct { | |
| 19 | char *X_buf; | |
| 20 | char *X_bufp; | |
| 21 | } x_b; | |
| 22 | } x_un; | |
| 23 | int x_token; /* holding place for token */ | |
| 24 | struct value x_val; | |
| 25 | unsigned x_erred :1; /* parser error flags */ | |
| 26 | unsigned x_synerred :1; | |
| 27 | unsigned x_abort :1; | |
| 28 | }; | |
| 29 | #define x_buf x_un.x_b.X_buf | |
| 30 | #define x_bufp x_un.x_b.X_bufp | |
| 31 | #define x_filename x_un.x_f.X_filename | |
| 32 | #define x_fp x_un.x_f.X_fp | |
| 33 | #define x_lineno x_un.x_f.X_lineno | |
| 34 | #define x_errlineno x_un.x_f.X_errlineno | |
| 35 | #define x_bol x_un.x_f.X_bol | |
| 36 | #define x_errwin x_un.x_f.X_errwin | |
| 37 | #define x_baderr x_un.x_f.X_baderr | |
| 38 | ||
| 39 | #define X_FILE 1 | |
| 40 | #define X_BUF 2 | |
| 41 | ||
| 42 | struct context cx; | |
| 43 | ||
| 44 | struct context *x_alloc(); |