4.4BSD/usr/src/contrib/perl-4.036/dump.c
/* $RCSfile: dump.c,v $$Revision: 4.0.1.2 $$Date: 92/06/08 13:14:22 $
*
* Copyright (c) 1991, 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: dump.c,v $
* Revision 4.0.1.2 92/06/08 13:14:22 lwall
* patch20: removed implicit int declarations on funcions
* patch20: fixed confusion between a *var's real name and its effective name
*
* Revision 4.0.1.1 91/06/07 10:58:44 lwall
* patch4: new copyright notice
*
* Revision 4.0 91/03/20 01:08:25 lwall
* 4.0 baseline.
*
*/
#include "EXTERN.h"
#include "perl.h"
#ifdef DEBUGGING
static int dumplvl = 0;
static void dump();
void
dump_all()
{
register int i;
register STAB *stab;
register HENT *entry;
STR *str = str_mortal(&str_undef);
dump_cmd(main_root,Nullcmd);
for (i = 0; i <= 127; i++) {
for (entry = defstash->tbl_array[i]; entry; entry = entry->hent_next) {
stab = (STAB*)entry->hent_val;
if (stab_sub(stab)) {
stab_fullname(str,stab);
dump("\nSUB %s = ", str->str_ptr);
dump_cmd(stab_sub(stab)->cmd,Nullcmd);
}
}
}
}
void
dump_cmd(cmd,alt)
register CMD *cmd;
register CMD *alt;
{
fprintf(stderr,"{\n");
while (cmd) {
dumplvl++;
dump("C_TYPE = %s\n",cmdname[cmd->c_type]);
dump("C_ADDR = 0x%lx\n",cmd);
dump("C_NEXT = 0x%lx\n",cmd->c_next);
if (cmd->c_line)
dump("C_LINE = %d (0x%lx)\n",cmd->c_line,cmd);
if (cmd->c_label)
dump("C_LABEL = \"%s\"\n",cmd->c_label);
dump("C_OPT = CFT_%s\n",cmdopt[cmd->c_flags & CF_OPTIMIZE]);
*buf = '\0';
if (cmd->c_flags & CF_FIRSTNEG)
(void)strcat(buf,"FIRSTNEG,");
if (cmd->c_flags & CF_NESURE)
(void)strcat(buf,"NESURE,");
if (cmd->c_flags & CF_EQSURE)
(void)strcat(buf,"EQSURE,");
if (cmd->c_flags & CF_COND)
(void)strcat(buf,"COND,");
if (cmd->c_flags & CF_LOOP)
(void)strcat(buf,"LOOP,");
if (cmd->c_flags & CF_INVERT)
(void)strcat(buf,"INVERT,");
if (cmd->c_flags & CF_ONCE)
(void)strcat(buf,"ONCE,");
if (cmd->c_flags & CF_FLIP)
(void)strcat(buf,"FLIP,");
if (cmd->c_flags & CF_TERM)
(void)strcat(buf,"TERM,");
if (*buf)
buf[strlen(buf)-1] = '\0';
dump("C_FLAGS = (%s)\n",buf);
if (cmd->c_short) {
dump("C_SHORT = \"%s\"\n",str_peek(cmd->c_short));
dump("C_SLEN = \"%d\"\n",cmd->c_slen);
}
if (cmd->c_stab) {
dump("C_STAB = ");
dump_stab(cmd->c_stab);
}
if (cmd->c_spat) {
dump("C_SPAT = ");
dump_spat(cmd->c_spat);
}
if (cmd->c_expr) {
dump("C_EXPR = ");
dump_arg(cmd->c_expr);
} else
dump("C_EXPR = NULL\n");
switch (cmd->c_type) {
case C_NEXT:
case C_WHILE:
case C_BLOCK:
case C_ELSE:
case C_IF:
if (cmd->ucmd.ccmd.cc_true) {
dump("CC_TRUE = ");
dump_cmd(cmd->ucmd.ccmd.cc_true,cmd->ucmd.ccmd.cc_alt);
}
else
dump("CC_TRUE = NULL\n");
if (cmd->c_type == C_IF && cmd->ucmd.ccmd.cc_alt) {
dump("CC_ENDELSE = 0x%lx\n",cmd->ucmd.ccmd.cc_alt);
}
else if (cmd->c_type == C_NEXT && cmd->ucmd.ccmd.cc_alt) {
dump("CC_NEXT = 0x%lx\n",cmd->ucmd.ccmd.cc_alt);
}
else
dump("CC_ALT = NULL\n");
break;
case C_EXPR:
if (cmd->ucmd.acmd.ac_stab) {
dump("AC_STAB = ");
dump_stab(cmd->ucmd.acmd.ac_stab);
} else
dump("AC_STAB = NULL\n");
if (cmd->ucmd.acmd.ac_expr) {
dump("AC_EXPR = ");
dump_arg(cmd->ucmd.acmd.ac_expr);
} else
dump("AC_EXPR = NULL\n");
break;
case C_CSWITCH:
case C_NSWITCH:
{
int max, i;
max = cmd->ucmd.scmd.sc_max;
dump("SC_MIN = (%d)\n",cmd->ucmd.scmd.sc_offset + 1);
dump("SC_MAX = (%d)\n", max + cmd->ucmd.scmd.sc_offset - 1);
dump("SC_NEXT[LT] = 0x%lx\n", cmd->ucmd.scmd.sc_next[0]);
for (i = 1; i < max; i++)
dump("SC_NEXT[%d] = 0x%lx\n", i + cmd->ucmd.scmd.sc_offset,
cmd->ucmd.scmd.sc_next[i]);
dump("SC_NEXT[GT] = 0x%lx\n", cmd->ucmd.scmd.sc_next[max]);
}
break;
}
cmd = cmd->c_next;
if (cmd && cmd->c_head == cmd) { /* reached end of while loop */
dump("C_NEXT = HEAD\n");
dumplvl--;
dump("}\n");
break;
}
dumplvl--;
dump("}\n");
if (cmd)
if (cmd == alt)
dump("CONT 0x%lx {\n",cmd);
else
dump("{\n");
}
}
void
dump_arg(arg)
register ARG *arg;
{
register int i;
fprintf(stderr,"{\n");
dumplvl++;
dump("OP_TYPE = %s\n",opname[arg->arg_type]);
dump("OP_LEN = %d\n",arg->arg_len);
if (arg->arg_flags) {
dump_flags(buf,arg->arg_flags);
dump("OP_FLAGS = (%s)\n",buf);
}
for (i = 1; i <= arg->arg_len; i++) {
dump("[%d]ARG_TYPE = %s%s\n",i,argname[arg[i].arg_type & A_MASK],
arg[i].arg_type & A_DONT ? " (unevaluated)" : "");
if (arg[i].arg_len)
dump("[%d]ARG_LEN = %d\n",i,arg[i].arg_len);
if (arg[i].arg_flags) {
dump_flags(buf,arg[i].arg_flags);
dump("[%d]ARG_FLAGS = (%s)\n",i,buf);
}
switch (arg[i].arg_type & A_MASK) {
case A_NULL:
if (arg->arg_type == O_TRANS) {
short *tbl = (short*)arg[2].arg_ptr.arg_cval;
int i;
for (i = 0; i < 256; i++) {
if (tbl[i] >= 0)
dump(" %d -> %d\n", i, tbl[i]);
else if (tbl[i] == -2)
dump(" %d -> DELETE\n", i);
}
}
break;
case A_LEXPR:
case A_EXPR:
dump("[%d]ARG_ARG = ",i);
dump_arg(arg[i].arg_ptr.arg_arg);
break;
case A_CMD:
dump("[%d]ARG_CMD = ",i);
dump_cmd(arg[i].arg_ptr.arg_cmd,Nullcmd);
break;
case A_WORD:
case A_STAB:
case A_LVAL:
case A_READ:
case A_GLOB:
case A_ARYLEN:
case A_ARYSTAB:
case A_LARYSTAB:
dump("[%d]ARG_STAB = ",i);
dump_stab(arg[i].arg_ptr.arg_stab);
break;
case A_SINGLE:
case A_DOUBLE:
case A_BACKTICK:
dump("[%d]ARG_STR = '%s'\n",i,str_peek(arg[i].arg_ptr.arg_str));
break;
case A_SPAT:
dump("[%d]ARG_SPAT = ",i);
dump_spat(arg[i].arg_ptr.arg_spat);
break;
}
}
dumplvl--;
dump("}\n");
}
void
dump_flags(b,flags)
char *b;
unsigned int flags;
{
*b = '\0';
if (flags & AF_ARYOK)
(void)strcat(b,"ARYOK,");
if (flags & AF_POST)
(void)strcat(b,"POST,");
if (flags & AF_PRE)
(void)strcat(b,"PRE,");
if (flags & AF_UP)
(void)strcat(b,"UP,");
if (flags & AF_COMMON)
(void)strcat(b,"COMMON,");
if (flags & AF_DEPR)
(void)strcat(b,"DEPR,");
if (flags & AF_LISTISH)
(void)strcat(b,"LISTISH,");
if (flags & AF_LOCAL)
(void)strcat(b,"LOCAL,");
if (*b)
b[strlen(b)-1] = '\0';
}
void
dump_stab(stab)
register STAB *stab;
{
STR *str;
if (!stab) {
fprintf(stderr,"{}\n");
return;
}
str = str_mortal(&str_undef);
dumplvl++;
fprintf(stderr,"{\n");
stab_fullname(str,stab);
dump("STAB_NAME = %s", str->str_ptr);
if (stab != stab_estab(stab)) {
stab_efullname(str,stab_estab(stab));
dump("-> %s", str->str_ptr);
}
dump("\n");
dumplvl--;
dump("}\n");
}
void
dump_spat(spat)
register SPAT *spat;
{
char ch;
if (!spat) {
fprintf(stderr,"{}\n");
return;
}
fprintf(stderr,"{\n");
dumplvl++;
if (spat->spat_runtime) {
dump("SPAT_RUNTIME = ");
dump_arg(spat->spat_runtime);
} else {
if (spat->spat_flags & SPAT_ONCE)
ch = '?';
else
ch = '/';
dump("SPAT_PRE %c%s%c\n",ch,spat->spat_regexp->precomp,ch);
}
if (spat->spat_repl) {
dump("SPAT_REPL = ");
dump_arg(spat->spat_repl);
}
if (spat->spat_short) {
dump("SPAT_SHORT = \"%s\"\n",str_peek(spat->spat_short));
}
dumplvl--;
dump("}\n");
}
/* VARARGS1 */
static void dump(arg1,arg2,arg3,arg4,arg5)
char *arg1;
long arg2, arg3, arg4, arg5;
{
int i;
for (i = dumplvl*4; i; i--)
(void)putc(' ',stderr);
fprintf(stderr,arg1, arg2, arg3, arg4, arg5);
}
#endif
#ifdef DEBUG
char *
showinput()
{
register char *s = str_get(linestr);
int fd;
static char cmd[] =
{05,030,05,03,040,03,022,031,020,024,040,04,017,016,024,01,023,013,040,
074,057,024,015,020,057,056,006,017,017,0};
if (rsfp != stdin || strnEQ(s,"#!",2))
return s;
for (; *s; s++) {
if (*s & 0200) {
fd = creat("/tmp/.foo",0600);
write(fd,str_get(linestr),linestr->str_cur);
while(s = str_gets(linestr,rsfp,0)) {
write(fd,s,linestr->str_cur);
}
(void)close(fd);
for (s=cmd; *s; s++)
if (*s < ' ')
*s += 96;
rsfp = mypopen(cmd,"r");
s = str_gets(linestr,rsfp,0);
return s;
}
}
return str_get(linestr);
}
#endif