diff options
Diffstat (limited to 'cop.h')
| -rw-r--r-- | cop.h | 74 |
1 files changed, 18 insertions, 56 deletions
@@ -1,61 +1,20 @@ -/* $RCSfile: cmd.h,v $$Revision: 4.1 $$Date: 92/08/07 17:19:19 $ +/* cop.h * - * Copyright (c) 1991, Larry Wall + * Copyright (c) 1991-1994, Larry Wall * * You may distribute under the terms of either the GNU General Public * License or the Artistic License, as specified in the README file. * - * $Log: cmd.h,v $ - * Revision 4.1 92/08/07 17:19:19 lwall - * Stage 6 Snapshot - * - * Revision 4.0.1.2 92/06/08 12:01:02 lwall - * patch20: removed implicit int declarations on funcions - * - * Revision 4.0.1.1 91/06/07 10:28:50 lwall - * patch4: new copyright notice - * patch4: length($`), length($&), length($') now optimized to avoid string copy - * - * Revision 4.0 91/03/20 01:04:34 lwall - * 4.0 baseline. - * */ -struct acop { - GV *acop_gv; /* a symbol table entry */ - OP *acop_expr; /* any associated expression */ -}; - -struct ccop { - OP *ccop_true; /* normal code to do on if and while */ - OP *ccop_alt; /* else cmd ptr or continue code */ -}; - -struct scop { - OP **scop_next; /* array of pointers to commands */ - short scop_offset; /* first value - 1 */ - short scop_max; /* last value + 1 */ -}; - struct cop { BASEOP - OP *cop_expr; /* conditional expression */ - OP *cop_head; /* head of this command list */ - SV *cop_short; /* string to match as shortcut */ - GV *cop_gv; /* a symbol table entry, mostly for fp */ - char *cop_label; /* label for this construct */ - union uop { - struct acop acop; /* normal command */ - struct ccop ccop; /* compound command */ - struct scop scop; /* switch command */ - } uop; - U32 cop_seq; /* parse sequence number */ - short cop_slen; /* len of cop_short, if not null */ - VOL short cop_flags; /* optimization flags--see above */ + char * cop_label; /* label for this construct */ HV * cop_stash; /* package line was compiled in */ GV * cop_filegv; /* file the following line # is from */ + U32 cop_seq; /* parse sequence number */ + I32 cop_arybase; /* array base this line was compiled with */ line_t cop_line; /* line # of this command */ - char cop_type; /* what this command does */ }; #define Nullcop Null(COP*) @@ -92,8 +51,7 @@ struct block_sub { } \ if (cx->blk_sub.cv) { \ if (!(CvDEPTH(cx->blk_sub.cv) = cx->blk_sub.olddepth)) { \ - if (CvDELETED(cx->blk_sub.cv)) \ - SvREFCNT_dec((SV*)cx->blk_sub.cv); \ + SvREFCNT_dec((SV*)cx->blk_sub.cv); \ } \ } @@ -184,20 +142,20 @@ struct block { cx->blk_oldretsp = retstack_ix, \ cx->blk_oldpm = curpm, \ cx->blk_gimme = gimme; \ - DEBUG_l( fprintf(stderr,"Entering block %d, type %s\n", \ - cxstack_ix, block_type[t]); ) + DEBUG_l( fprintf(stderr,"Entering block %ld, type %s\n", \ + (long)cxstack_ix, block_type[t]); ) /* Exit a block (RETURN and LAST). */ -#define POPBLOCK(cx) cx = &cxstack[cxstack_ix--], \ +#define POPBLOCK(cx,pm) cx = &cxstack[cxstack_ix--], \ newsp = stack_base + cx->blk_oldsp, \ curcop = cx->blk_oldcop, \ markstack_ptr = markstack + cx->blk_oldmarksp, \ scopestack_ix = cx->blk_oldscopesp, \ retstack_ix = cx->blk_oldretsp, \ - curpm = cx->blk_oldpm, \ + pm = cx->blk_oldpm, \ gimme = cx->blk_gimme; \ - DEBUG_l( fprintf(stderr,"Leaving block %d, type %s\n", \ - cxstack_ix+1,block_type[cx->cx_type]); ) + DEBUG_l( fprintf(stderr,"Leaving block %ld, type %s\n", \ + (long)cxstack_ix+1,block_type[cx->cx_type]); ) /* Continue a block elsewhere (NEXT and REDO). */ #define TOPBLOCK(cx) cx = &cxstack[cxstack_ix], \ @@ -264,6 +222,10 @@ struct context { #define CXINC (cxstack_ix < cxstack_max ? ++cxstack_ix : (cxstack_ix = cxinc())) /* "gimme" values */ -#define G_SCALAR 0 -#define G_ARRAY 1 +#define G_SCALAR 0 +#define G_ARRAY 1 +/* extra flags for perl_call_* routines */ +#define G_DISCARD 2 /* Call FREETMPS. */ +#define G_EVAL 4 /* Assume eval {} around subroutine call. */ +#define G_NOARGS 8 /* Don't construct a @_ array. */ |