+ SV *linestr; /* current chunk of src text */
+ char *bufptr;
+ char *oldbufptr;
+ char *oldoldbufptr;
+ char *bufend;
+ char *linestart; /* beginning of most recently read line */
+ char *last_uni; /* position of last named-unary op */
+ char *last_lop; /* position of last list operator */
+ line_t copline; /* current line number */
+ U16 in_my; /* we're compiling a "my"/"our" declaration */
+ U8 lex_state; /* next token is determined */
+ U8 error_count; /* how many compile errors so far, max 10 */
+ HV *in_my_stash; /* declared class of this "my" declaration */
+ PerlIO *rsfp; /* current source file pointer */
+ AV *rsfp_filters; /* holds chain of active source filters */