Pod typos, pod2man bugs, and miscellaneous installation comments

[p5sagit/p5-mst-13.2.git] / x2p / a2py.c

diff --git a/x2p/a2py.c b/x2p/a2py.c
index 836d176..454e2dc 100644 (file)
--- a/x2p/a2py.c
+++ b/x2p/a2py.c
@@ -1,38 +1,35 @@
-/* $Header: a2py.c,v 3.0.1.2 90/10/16 11:30:34 lwall Locked $
+/* $RCSfile: a2py.c,v $$Revision: 4.1 $$Date: 92/08/07 18:29:14 $
  *
- *    Copyright (c) 1989, Larry Wall
+ *    Copyright (c) 1991, Larry Wall
  *
- *    You may distribute under the terms of the GNU General Public License
- *    as specified in the README file that comes with the perl 3.0 kit.
+ *    You may distribute under the terms of either the GNU General Public
+ *    License or the Artistic License, as specified in the README file.
  *
  * $Log:       a2py.c,v $
- * Revision 3.0.1.2  90/10/16  11:30:34  lwall
- * patch29: various portability fixes
- * 
- * Revision 3.0.1.1  90/08/09  05:48:53  lwall
- * patch19: a2p didn't emit a chop when NF was referenced though split needs it
- * 
- * Revision 3.0  89/10/18  15:34:35  lwall
- * 3.0 baseline
- * 
  */
 
-#ifdef MSDOS
-#include "../patchlev.h"
+#ifdef OS2
+#include "../patchlevel.h"
 #endif
 #include "util.h"
-char *index();
 
 char *filename;
 char *myname;
 
 int checkers = 0;
+
+int oper0();
+int oper1();
+int oper2();
+int oper3();
+int oper4();
+int oper5();
 STR *walk();
 
-#ifdef MSDOS
+#ifdef OS2
 usage()
 {
-    printf("\nThis is the AWK to PERL translator, version 3.0, patchlevel %d\n", PATCHLEVEL);
+    printf("\nThis is the AWK to PERL translator, version 5.0, patchlevel %d\n", PATCHLEVEL);
     printf("\nUsage: %s [-D<number>] [-F<char>] [-n<fieldlist>] [-<number>] filename\n", myname);
     printf("\n  -D<number>      sets debugging flags."
            "\n  -F<character>   the awk script to translate is always invoked with"
@@ -50,7 +47,6 @@ register char **argv;
 register char **env;
 {
     register STR *str;
-    register char *s;
     int i;
     STR *tmpstr;
 
@@ -88,7 +84,7 @@ register char **env;
            break;
        default:
            fatal("Unrecognized switch: %s\n",argv[0]);
-#ifdef MSDOS
+#ifdef OS2
             usage();
 #endif
        }
@@ -98,7 +94,7 @@ register char **env;
     /* open script */
 
     if (argv[0] == Nullch) {
-#ifdef MSDOS
+#ifdef OS2
        if ( isatty(fileno(stdin)) )
            usage();
 #endif
@@ -157,16 +153,13 @@ register char **env;
     /* second pass to produce new program */
 
     tmpstr = walk(0,0,root,&i,P_MIN);
-    str = str_make("#!");
-    str_cat(str, BIN);
-    str_cat(str, "/perl\neval \"exec ");
-    str_cat(str, BIN);
-    str_cat(str, "/perl -S $0 $*\"\n\
+    str = str_make(STARTPERL);
+    str_cat(str, "\neval 'exec perl -S $0 \"$@\"'\n\
     if $running_under_some_shell;\n\
                        # this emulates #! processing on NIH machines.\n\
                        # (remove #! line above if indigestible)\n\n");
     str_cat(str,
-      "eval '$'.$1.'$2;' while $ARGV[0] =~ /^([A-Za-z_]+=)(.*)/ && shift;\n");
+      "eval '$'.$1.'$2;' while $ARGV[0] =~ /^([A-Za-z_0-9]+=)(.*)/ && shift;\n");
     str_cat(str,
       "                        # process any FOO=bar switches\n\n");
     if (do_opens && opens) {
@@ -198,6 +191,7 @@ register char **env;
 
 int idtype;
 
+int
 yylex()
 {
     register char *s = bufptr;
@@ -207,7 +201,7 @@ yylex()
   retry:
 #ifdef YYDEBUG
     if (yydebug)
-       if (index(s,'\n'))
+       if (strchr(s,'\n'))
            fprintf(stderr,"Tokener at %s",s);
        else
            fprintf(stderr,"Tokener at %s\n",s);
@@ -219,6 +213,12 @@ yylex()
             *s++,filename,line);
        goto retry;
     case '\\':
+       s++;
+       if (*s && *s != '\n') {
+           yyerror("Ignoring spurious backslash");
+           goto retry;
+       }
+       /*FALLSTHROUGH*/
     case 0:
        s = str_get(linestr);
        *s = '\0';
@@ -805,6 +805,8 @@ register char *s;
                *d++ = *s++;
            else if (s[1] == '\\')
                *d++ = *s++;
+           else if (s[1] == '[')
+               *d++ = *s++;
        }
        else if (*s == '[') {
            *d++ = *s++;
@@ -829,6 +831,7 @@ register char *s;
     return s;
 }
 
+void
 yyerror(s)
 char *s;
 {
@@ -849,13 +852,17 @@ register char *s;
        while (isdigit(*s)) {
            *d++ = *s++;
        }
-       if (*s == '.' && index("0123456789eE",s[1])) {
-           *d++ = *s++;
-           while (isdigit(*s)) {
+       if (*s == '.') {
+           if (isdigit(s[1])) {
                *d++ = *s++;
+               while (isdigit(*s)) {
+                   *d++ = *s++;
+               }
            }
+           else
+               s++;
        }
-       if (index("eE",*s) && index("+-0123456789",s[1])) {
+       if (strchr("eE",*s) && strchr("+-0123456789",s[1])) {
            *d++ = *s++;
            if (*s == '+' || *s == '-')
                *d++ = *s++;
@@ -869,8 +876,10 @@ register char *s;
     return s;
 }
 
+int
 string(ptr,len)
 char *ptr;
+int len;
 {
     int retval = mop;
 
@@ -885,6 +894,7 @@ char *ptr;
     return retval;
 }
 
+int
 oper0(type)
 int type;
 {
@@ -898,6 +908,7 @@ int type;
     return retval;
 }
 
+int
 oper1(type,arg1)
 int type;
 int arg1;
@@ -913,6 +924,7 @@ int arg1;
     return retval;
 }
 
+int
 oper2(type,arg1,arg2)
 int type;
 int arg1;
@@ -930,6 +942,7 @@ int arg2;
     return retval;
 }
 
+int
 oper3(type,arg1,arg2,arg3)
 int type;
 int arg1;
@@ -949,6 +962,7 @@ int arg3;
     return retval;
 }
 
+int
 oper4(type,arg1,arg2,arg3,arg4)
 int type;
 int arg1;
@@ -970,6 +984,7 @@ int arg4;
     return retval;
 }
 
+int
 oper5(type,arg1,arg2,arg3,arg4,arg5)
 int type;
 int arg1;
@@ -995,6 +1010,7 @@ int arg5;
 
 int depth = 0;
 
+void
 dump(branch)
 int branch;
 {
@@ -1022,6 +1038,7 @@ int branch;
     }
 }
 
+int
 bl(arg,maybe)
 int arg;
 int maybe;
@@ -1036,6 +1053,7 @@ int maybe;
        return arg;
 }
 
+void
 fixup(str)
 STR *str;
 {
@@ -1061,6 +1079,7 @@ STR *str;
     }
 }
 
+void
 putlines(str)
 STR *str;
 {
@@ -1115,7 +1134,10 @@ STR *str;
                    d--;
            }
            if (d > t+3) {
-               *d = '\0';
+                char save[2048];
+                strcpy(save, d);
+               *d = '\n';
+                d[1] = '\0';
                putone();
                putchar('\n');
                if (d[-1] != ';' && !(newpos % 4)) {
@@ -1123,7 +1145,7 @@ STR *str;
                    *t++ = ' ';
                    newpos += 2;
                }
-               strcpy(t,d+1);
+               strcpy(t,save+1);
                newpos += strlen(t);
                d = t + strlen(t);
                pos = newpos;
@@ -1134,6 +1156,7 @@ STR *str;
     }
 }
 
+void
 putone()
 {
     register char *t;
@@ -1156,6 +1179,7 @@ putone()
     fputs(tokenbuf,stdout);
 }
 
+int
 numary(arg)
 int arg;
 {
@@ -1170,6 +1194,7 @@ int arg;
     return arg;
 }
 
+int
 rememberargs(arg)
 int arg;
 {
@@ -1192,6 +1217,7 @@ int arg;
     return arg;
 }
 
+int
 aryrefarg(arg)
 int arg;
 {
@@ -1206,6 +1232,7 @@ int arg;
     return arg;
 }
 
+int
 fixfargs(name,arg,prevargs)
 int name;
 int arg;
@@ -1244,6 +1271,7 @@ int prevargs;
     return numargs;
 }
 
+int
 fixrargs(name,arg,prevargs)
 char *name;
 int arg;
@@ -1265,7 +1293,6 @@ int prevargs;
 
        sprintf(tmpbuf,"%s:%d",name,prevargs);
        str = hfetch(curarghash,tmpbuf);
-       fprintf(stderr,"Looking for %s\n",tmpbuf);
        if (str && strEQ(str->str_ptr,"*")) {
            if (type == OVAR || type == OSTAR) {
                ops[arg].ival &= ~255;
@@ -1279,4 +1306,3 @@ int prevargs;
     }
     return numargs;
 }
-