diff options
Diffstat (limited to 'usr/src/lib/libshell/common/sh/tdump.c')
-rw-r--r-- | usr/src/lib/libshell/common/sh/tdump.c | 260 |
1 files changed, 0 insertions, 260 deletions
diff --git a/usr/src/lib/libshell/common/sh/tdump.c b/usr/src/lib/libshell/common/sh/tdump.c deleted file mode 100644 index 444ed340db..0000000000 --- a/usr/src/lib/libshell/common/sh/tdump.c +++ /dev/null @@ -1,260 +0,0 @@ -/*********************************************************************** -* * -* This software is part of the ast package * -* Copyright (c) 1982-2010 AT&T Intellectual Property * -* and is licensed under the * -* Common Public License, Version 1.0 * -* by AT&T Intellectual Property * -* * -* A copy of the License is available at * -* http://www.opensource.org/licenses/cpl1.0.txt * -* (with md5 checksum 059e8cd6165cb4c31e351f2b69388fd9) * -* * -* Information and Software Systems Research * -* AT&T Research * -* Florham Park NJ * -* * -* David Korn <dgk@research.att.com> * -* * -***********************************************************************/ -#pragma prototyped -/* - * David Korn - * AT&T Labs - * - * shell parse tree dump - * - */ - -#include "defs.h" -#include "shnodes.h" -#include "path.h" -#include "io.h" -#include <ccode.h> - -static int p_comlist(const struct dolnod*); -static int p_arg(const struct argnod*); -static int p_comarg(const struct comnod*); -static int p_redirect(const struct ionod*); -static int p_switch(const struct regnod*); -static int p_tree(const Shnode_t*); -static int p_string(const char*); - -static Sfio_t *outfile; - -int sh_tdump(Sfio_t *out, const Shnode_t *t) -{ - outfile = out; - return(p_tree(t)); -} - -/* - * convert to ASCII to write and back again if needed - */ -static int outstring(Sfio_t *out, const char *string, int n) -{ - int r; - char *cp = (char*)string; - ccmaps(cp, n, CC_NATIVE, CC_ASCII); - r = sfwrite(out,cp,n); - ccmaps(cp, n, CC_ASCII, CC_NATIVE); - return(r); -} - -/* - * print script corresponding to shell tree <t> - */ -static int p_tree(register const Shnode_t *t) -{ - if(!t) - return(sfputl(outfile,-1)); - if(sfputl(outfile,t->tre.tretyp)<0) - return(-1); - switch(t->tre.tretyp&COMMSK) - { - case TTIME: - case TPAR: - return(p_tree(t->par.partre)); - case TCOM: - return(p_comarg((struct comnod*)t)); - case TSETIO: - case TFORK: - if(sfputu(outfile,t->fork.forkline)<0) - return(-1); - if(p_tree(t->fork.forktre)<0) - return(-1); - return(p_redirect(t->fork.forkio)); - case TIF: - if(p_tree(t->if_.iftre)<0) - return(-1); - if(p_tree(t->if_.thtre)<0) - return(-1); - return(p_tree(t->if_.eltre)); - case TWH: - if(t->wh.whinc) - { - if(p_tree((Shnode_t*)(t->wh.whinc))<0) - return(-1); - } - else - { - if(sfputl(outfile,-1)<0) - return(-1); - } - if(p_tree(t->wh.whtre)<0) - return(-1); - return(p_tree(t->wh.dotre)); - case TLST: - case TAND: - case TORF: - case TFIL: - if(p_tree(t->lst.lstlef)<0) - return(-1); - return(p_tree(t->lst.lstrit)); - case TARITH: - if(sfputu(outfile,t->ar.arline)<0) - return(-1); - return(p_arg(t->ar.arexpr)); - case TFOR: - if(sfputu(outfile,t->for_.forline)<0) - return(-1); - if(p_tree(t->for_.fortre)<0) - return(-1); - if(p_string(t->for_.fornam)<0) - return(-1); - return(p_tree((Shnode_t*)t->for_.forlst)); - case TSW: - if(sfputu(outfile,t->sw.swline)<0) - return(-1); - if(p_arg(t->sw.swarg)<0) - return(-1); - return(p_switch(t->sw.swlst)); - case TFUN: - if(sfputu(outfile,t->funct.functline)<0) - return(-1); - if(p_string(t->funct.functnam)<0) - return(-1); - if(p_tree(t->funct.functtre)<0) - return(-1); - return(p_tree((Shnode_t*)t->funct.functargs)); - case TTST: - if(sfputu(outfile,t->tst.tstline)<0) - return(-1); - if((t->tre.tretyp&TPAREN)==TPAREN) - return(p_tree(t->lst.lstlef)); - else - { - if(p_arg(&(t->lst.lstlef->arg))<0) - return(-1); - if((t->tre.tretyp&TBINARY)) - return(p_arg(&(t->lst.lstrit->arg))); - return(0); - } - } - return(-1); -} - -static int p_arg(register const struct argnod *arg) -{ - register int n; - struct fornod *fp; - while(arg) - { - if((n = strlen(arg->argval)) || (arg->argflag&~(ARG_APPEND|ARG_MESSAGE|ARG_QUOTED))) - fp=0; - else - { - fp=(struct fornod*)arg->argchn.ap; - n = strlen(fp->fornam)+1; - } - sfputu(outfile,n+1); - if(fp) - { - sfputc(outfile,0); - outstring(outfile,fp->fornam,n-1); - } - else - outstring(outfile,arg->argval,n); - sfputc(outfile,arg->argflag); - if(fp) - { - sfputu(outfile,fp->fortyp); - p_tree(fp->fortre); - } - arg = arg->argnxt.ap; - } - return(sfputu(outfile,0)); -} - -static int p_redirect(register const struct ionod *iop) -{ - while(iop) - { - if(iop->iovname) - sfputl(outfile,iop->iofile|IOVNM); - else - sfputl(outfile,iop->iofile); - p_string(iop->ioname); - if(iop->iodelim) - { - p_string(iop->iodelim); - sfputl(outfile,iop->iosize); - sfseek(sh.heredocs,iop->iooffset,SEEK_SET); - sfmove(sh.heredocs,outfile, iop->iosize,-1); - } - else - sfputu(outfile,0); - if(iop->iovname) - p_string(iop->iovname); - iop = iop->ionxt; - } - return(sfputl(outfile,-1)); -} - -static int p_comarg(register const struct comnod *com) -{ - p_redirect(com->comio); - p_arg(com->comset); - if(!com->comarg) - sfputl(outfile,-1); - else if(com->comtyp&COMSCAN) - p_arg(com->comarg); - else - p_comlist((struct dolnod*)com->comarg); - return(sfputu(outfile,com->comline)); -} - -static int p_comlist(const struct dolnod *dol) -{ - register char *cp, *const*argv; - register int n; - argv = dol->dolval+ARG_SPARE; - while(cp = *argv) - argv++; - n = argv - (dol->dolval+1); - sfputl(outfile,n); - argv = dol->dolval+ARG_SPARE; - while(cp = *argv++) - p_string(cp); - return(sfputu(outfile,0)); -} - -static int p_switch(register const struct regnod *reg) -{ - while(reg) - { - sfputl(outfile,reg->regflag); - p_arg(reg->regptr); - p_tree(reg->regcom); - reg = reg->regnxt; - } - return(sfputl(outfile,-1)); -} - -static int p_string(register const char *string) -{ - register size_t n=strlen(string); - if(sfputu(outfile,n+1)<0) - return(-1); - return(outstring(outfile,string,n)); -} |