| 48 |
|
|
| 49 |
|
extern char mg_ename[MG_NENTITIES][MG_MAXELEN]; |
| 50 |
|
|
| 51 |
< |
/* Handler routines for each entity */ |
| 51 |
> |
/* Handler routines for each entity and unknown ones */ |
| 52 |
|
|
| 53 |
|
#ifdef NOPROTO |
| 54 |
|
extern int (*mg_ehand[MG_NENTITIES])(); |
| 55 |
+ |
extern int (*mg_uhand)(); |
| 56 |
+ |
extern int mg_defuhand(); |
| 57 |
|
#else |
| 58 |
|
extern int (*mg_ehand[MG_NENTITIES])(int argc, char **argv); |
| 59 |
+ |
extern int (*mg_uhand)(int argc, char **argv); |
| 60 |
+ |
extern int mg_defuhand(int, char **); |
| 61 |
|
#endif |
| 62 |
|
|
| 63 |
+ |
extern unsigned mg_nunknown; /* count of unknown entities */ |
| 64 |
+ |
|
| 65 |
|
/* Error codes */ |
| 66 |
|
#define MG_OK 0 /* normal return value */ |
| 67 |
|
#define MG_EUNK 1 /* unknown entity */ |
| 77 |
|
|
| 78 |
|
#define MG_NERRS 11 |
| 79 |
|
|
| 80 |
< |
extern char *mg_err[MG_NERRS]; |
| 80 |
> |
extern char *mg_err[MG_NERRS]; /* list of error messages */ |
| 81 |
|
|
| 82 |
|
/* |
| 83 |
|
* The general process for running the parser is to fill in the mg_ehand |
| 347 |
|
|
| 348 |
|
typedef struct xf_spec { |
| 349 |
|
long xid; /* unique transform id */ |
| 350 |
< |
short xav0; /* zeroeth argument in xf_argv array */ |
| 345 |
< |
short xac; /* transform argument count */ |
| 350 |
> |
short xac; /* context argument count */ |
| 351 |
|
short rev; /* boolean true if vertices reversed */ |
| 352 |
|
XF xf; /* cumulative transformation */ |
| 353 |
|
struct xf_array *xarr; /* transformation array pointer */ |
| 354 |
|
struct xf_spec *prev; /* previous transformation context */ |
| 355 |
|
} XF_SPEC; /* followed by argument buffer */ |
| 356 |
|
|
| 357 |
< |
extern int xf_argc; /* total # transform args. */ |
| 358 |
< |
extern char **xf_argv; /* transform arguments */ |
| 359 |
< |
extern XF_SPEC *xf_context; /* current context */ |
| 357 |
> |
extern XF_SPEC *xf_context; /* current transform context */ |
| 358 |
> |
extern char **xf_argend; /* last transform argument */ |
| 359 |
> |
|
| 360 |
> |
#define xf_ac(xf) ((xf)->xac) |
| 361 |
> |
#define xf_av(xf) (xf_argend - (xf)->xac) |
| 362 |
> |
|
| 363 |
> |
#define xf_argc (xf_context==NULL ? 0 : xf_ac(xf_context)) |
| 364 |
> |
#define xf_argv xf_av(xf_context) |
| 365 |
|
|
| 366 |
|
/* |
| 367 |
|
* The transformation handler should do most of the work that needs |
