Merge the POSIX.pm refactoring into blead.

[perl5.git] / x2p / a2py.c

diff --git a/x2p/a2py.c b/x2p/a2py.c
index 3976c86..286f7cc 100644 (file)
--- a/x2p/a2py.c
+++ b/x2p/a2py.c
@@ -1,23 +1,25 @@
-/* $RCSfile: a2py.c,v $$Revision: 4.1 $$Date: 92/08/07 18:29:14 $
+/*    a2py.c
  *
- *    Copyright (c) 1991-1997, Larry Wall
+ *    Copyright (C) 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
+ *    2000, 2001, 2002, by Larry Wall and others
  *
  *    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 $
  */
 
-#if defined(OS2) || defined(WIN32)
+#if defined(OS2) || defined(WIN32) || defined(NETWARE)
 #if defined(WIN32)
 #include <io.h>
 #endif
+#if defined(NETWARE)
+#include "../netware/clibstuf.h"
+#endif
 #include "../patchlevel.h"
 #endif
 #include "util.h"
 
-char *filename;
-char *myname;
+const char *filename;
+const char *myname;
 
 int checkers = 0;
 
@@ -28,8 +30,12 @@ int oper3(int type, int arg1, int arg2, int arg3);
 int oper4(int type, int arg1, int arg2, int arg3, int arg4);
 int oper5(int type, int arg1, int arg2, int arg3, int arg4, int arg5);
 STR *walk(int useval, int level, register int node, int *numericptr, int minprec);
+#ifdef NETWARE
+char *savestr(char *str);
+char *cpy2(register char *to, register char *from, register int delim);
+#endif
 
-#if defined(OS2) || defined(WIN32)
+#if defined(OS2) || defined(WIN32) || defined(NETWARE)
 static void usage(void);
 
 static void
@@ -48,12 +54,21 @@ usage()
 }
 #endif
 
+#ifdef __osf__
+#pragma message disable (mainparm) /* We have the envp in main(). */
+#endif
+
 int
-main(register int argc, register char **argv, register char **env)
+main(register int argc, register const char **argv, register const char **env)
 {
     register STR *str;
     int i;
     STR *tmpstr;
+    /* char *namelist;    */
+
+       #ifdef NETWARE
+               fnInitGpfGlobals();     /* For importing the CLIB calls in place of Watcom calls */
+       #endif  /* NETWARE */
 
     myname = argv[0];
     linestr = str_new(80);
@@ -61,7 +76,6 @@ main(register int argc, register char **argv, register char **env)
     for (argc--,argv++; argc; argc--,argv++) {
        if (argv[0][0] != '-' || !argv[0][1])
            break;
-      reswitch:
        switch (argv[0][1]) {
 #ifdef DEBUGGING
        case 'D':
@@ -91,7 +105,7 @@ main(register int argc, register char **argv, register char **env)
        case 0:
            break;
        default:
-#if defined(OS2) || defined(WIN32)
+#if defined(OS2) || defined(WIN32) || defined(NETWARE)
            fprintf(stderr, "Unrecognized switch: %s\n",argv[0]);
             usage();
 #else
@@ -103,8 +117,8 @@ main(register int argc, register char **argv, register char **env)
 
     /* open script */
 
-    if (argv[0] == Nullch) {
-#if defined(OS2) || defined(WIN32)
+    if (argv[0] == NULL) {
+#if defined(OS2) || defined(WIN32) || defined(NETWARE)
        if ( isatty(fileno(stdin)) )
            usage();
 #endif
@@ -112,14 +126,13 @@ main(register int argc, register char **argv, register char **env)
     }
     filename = savestr(argv[0]);
 
-    filename = savestr(argv[0]);
     if (strEQ(filename,"-"))
        argv[0] = "";
     if (!*argv[0])
        rsfp = stdin;
     else
        rsfp = fopen(argv[0],"r");
-    if (rsfp == Nullfp)
+    if (rsfp == NULL)
        fatal("Awk script \"%s\" doesn't seem to exist.\n",filename);
 
     /* init tokener */
@@ -194,6 +207,8 @@ main(register int argc, register char **argv, register char **env)
          "The operation I've selected may be wrong for the operand types.\n");
     }
     exit(0);
+    /* by ANSI specs return is needed. This also shuts up VC++ and his warnings */
+    return(0);
 }
 
 #define RETURN(retval) return (bufptr = s,retval)
@@ -212,11 +227,12 @@ yylex(void)
 
   retry:
 #if YYDEBUG
-    if (yydebug)
+    if (yydebug) {
        if (strchr(s,'\n'))
            fprintf(stderr,"Tokener at %s",s);
        else
            fprintf(stderr,"Tokener at %s\n",s);
+    }
 #endif
     switch (*s) {
     default:
@@ -237,10 +253,10 @@ yylex(void)
        if (!rsfp)
            RETURN(0);
        line++;
-       if ((s = str_gets(linestr, rsfp)) == Nullch) {
+       if ((s = str_gets(linestr, rsfp)) == NULL) {
            if (rsfp != stdin)
                fclose(rsfp);
-           rsfp = Nullfp;
+           rsfp = NULL;
            s = str_get(linestr);
            RETURN(0);
        }
@@ -281,7 +297,7 @@ yylex(void)
        s++;
        XTERM('}');
     case '}':
-       for (d = s + 1; isspace(*d); d++) ;
+       for (d = s + 1; isSPACE(*d); d++) ;
        if (!*d)
            s = d - 1;
        *s = 127;
@@ -383,7 +399,7 @@ yylex(void)
 
 #define SNARFWORD \
        d = tokenbuf; \
-       while (isalpha(*s) || isdigit(*s) || *s == '_') \
+       while (isALPHA(*s) || isDIGIT(*s) || *s == '_') \
            *d++ = *s++; \
        *d = '\0'; \
        d = tokenbuf; \
@@ -402,15 +418,22 @@ yylex(void)
            ID("0");
        }
        do_split = TRUE;
-       if (isdigit(*s)) {
-           for (d = s; isdigit(*s); s++) ;
+       if (isDIGIT(*s)) {
+           for (d = s; isDIGIT(*s); s++) ;
            yylval = string(d,s-d);
            tmp = atoi(d);
            if (tmp > maxfld)
                maxfld = tmp;
            XOP(FIELD);
        }
-       split_to_array = set_array_base = TRUE;
+       for (d = s; isALPHA(*s) || isDIGIT(*s) || *s == '_'; )
+           s++;
+       split_to_array = TRUE;
+       if (d != s)
+       {
+           yylval = string(d,s-d);
+           XTERM(SVFIELD);
+       }
        XOP(VFIELD);
 
     case '/':                  /* may either be division or pattern */
@@ -441,8 +464,6 @@ yylex(void)
 
     case 'a': case 'A':
        SNARFWORD;
-       if (strEQ(d,"ARGC"))
-           set_array_base = TRUE;
        if (strEQ(d,"ARGV")) {
            yylval=numary(string("ARGV",0));
            XOP(VAR);
@@ -473,15 +494,15 @@ yylex(void)
            XTERM(FUN1);
        }
        if (strEQ(d,"chdir"))
-           *d = toupper(*d);
+           *d = toUPPER(*d);
        else if (strEQ(d,"crypt"))
-           *d = toupper(*d);
+           *d = toUPPER(*d);
        else if (strEQ(d,"chop"))
-           *d = toupper(*d);
+           *d = toUPPER(*d);
        else if (strEQ(d,"chmod"))
-           *d = toupper(*d);
+           *d = toUPPER(*d);
        else if (strEQ(d,"chown"))
-           *d = toupper(*d);
+           *d = toUPPER(*d);
        ID(d);
     case 'd': case 'D':
        SNARFWORD;
@@ -490,7 +511,7 @@ yylex(void)
        if (strEQ(d,"delete"))
            XTERM(DELETE);
        if (strEQ(d,"die"))
-           *d = toupper(*d);
+           *d = toUPPER(*d);
        ID(d);
     case 'e': case 'E':
        SNARFWORD;
@@ -507,26 +528,26 @@ yylex(void)
            XTERM(FUN1);
        }
        if (strEQ(d,"elsif"))
-           *d = toupper(*d);
+           *d = toUPPER(*d);
        else if (strEQ(d,"eq"))
-           *d = toupper(*d);
+           *d = toUPPER(*d);
        else if (strEQ(d,"eval"))
-           *d = toupper(*d);
+           *d = toUPPER(*d);
        else if (strEQ(d,"eof"))
-           *d = toupper(*d);
+           *d = toUPPER(*d);
        else if (strEQ(d,"each"))
-           *d = toupper(*d);
+           *d = toUPPER(*d);
        else if (strEQ(d,"exec"))
-           *d = toupper(*d);
+           *d = toUPPER(*d);
        ID(d);
     case 'f': case 'F':
        SNARFWORD;
        if (strEQ(d,"FS")) {
            saw_FS++;
            if (saw_FS == 1 && in_begin) {
-               for (d = s; *d && isspace(*d); d++) ;
+               for (d = s; *d && isSPACE(*d); d++) ;
                if (*d == '=') {
-                   for (d++; *d && isspace(*d); d++) ;
+                   for (d++; *d && isSPACE(*d); d++) ;
                    if (*d == '"' && d[2] == '"')
                        const_FS = d[1];
                }
@@ -538,15 +559,15 @@ yylex(void)
        else if (strEQ(d,"function"))
            XTERM(FUNCTION);
        if (strEQ(d,"FILENAME"))
-           d = "ARGV";
+           ID("ARGV");
        if (strEQ(d,"foreach"))
-           *d = toupper(*d);
+           *d = toUPPER(*d);
        else if (strEQ(d,"format"))
-           *d = toupper(*d);
+           *d = toUPPER(*d);
        else if (strEQ(d,"fork"))
-           *d = toupper(*d);
+           *d = toUPPER(*d);
        else if (strEQ(d,"fh"))
-           *d = toupper(*d);
+           *d = toUPPER(*d);
        ID(d);
     case 'g': case 'G':
        SNARFWORD;
@@ -555,18 +576,18 @@ yylex(void)
        if (strEQ(d,"gsub"))
            XTERM(GSUB);
        if (strEQ(d,"ge"))
-           *d = toupper(*d);
+           *d = toUPPER(*d);
        else if (strEQ(d,"gt"))
-           *d = toupper(*d);
+           *d = toUPPER(*d);
        else if (strEQ(d,"goto"))
-           *d = toupper(*d);
+           *d = toUPPER(*d);
        else if (strEQ(d,"gmtime"))
-           *d = toupper(*d);
+           *d = toUPPER(*d);
        ID(d);
     case 'h': case 'H':
        SNARFWORD;
        if (strEQ(d,"hex"))
-           *d = toupper(*d);
+           *d = toUPPER(*d);
        ID(d);
     case 'i': case 'I':
        SNARFWORD;
@@ -575,7 +596,6 @@ yylex(void)
        if (strEQ(d,"in"))
            XTERM(IN);
        if (strEQ(d,"index")) {
-           set_array_base = TRUE;
            XTERM(INDEX);
        }
        if (strEQ(d,"int")) {
@@ -586,14 +606,14 @@ yylex(void)
     case 'j': case 'J':
        SNARFWORD;
        if (strEQ(d,"join"))
-           *d = toupper(*d);
+           *d = toUPPER(*d);
        ID(d);
     case 'k': case 'K':
        SNARFWORD;
        if (strEQ(d,"keys"))
-           *d = toupper(*d);
+           *d = toUPPER(*d);
        else if (strEQ(d,"kill"))
-           *d = toupper(*d);
+           *d = toUPPER(*d);
        ID(d);
     case 'l': case 'L':
        SNARFWORD;
@@ -606,57 +626,56 @@ yylex(void)
            XTERM(FUN1);
        }
        if (strEQ(d,"last"))
-           *d = toupper(*d);
+           *d = toUPPER(*d);
        else if (strEQ(d,"local"))
-           *d = toupper(*d);
+           *d = toUPPER(*d);
        else if (strEQ(d,"lt"))
-           *d = toupper(*d);
+           *d = toUPPER(*d);
        else if (strEQ(d,"le"))
-           *d = toupper(*d);
+           *d = toUPPER(*d);
        else if (strEQ(d,"locatime"))
-           *d = toupper(*d);
+           *d = toUPPER(*d);
        else if (strEQ(d,"link"))
-           *d = toupper(*d);
+           *d = toUPPER(*d);
        ID(d);
     case 'm': case 'M':
        SNARFWORD;
        if (strEQ(d,"match")) {
-           set_array_base = TRUE;
            XTERM(MATCH);
        }
        if (strEQ(d,"m"))
-           *d = toupper(*d);
+           *d = toUPPER(*d);
        ID(d);
     case 'n': case 'N':
        SNARFWORD;
        if (strEQ(d,"NF"))
-           do_chop = do_split = split_to_array = set_array_base = TRUE;
+           do_chop = do_split = split_to_array = TRUE;
        if (strEQ(d,"next")) {
            saw_line_op = TRUE;
            XTERM(NEXT);
        }
        if (strEQ(d,"ne"))
-           *d = toupper(*d);
+           *d = toUPPER(*d);
        ID(d);
     case 'o': case 'O':
        SNARFWORD;
        if (strEQ(d,"ORS")) {
            saw_ORS = TRUE;
-           d = "\\";
+           ID("\\");
        }
        if (strEQ(d,"OFS")) {
            saw_OFS = TRUE;
-           d = ",";
+           ID(",");
        }
        if (strEQ(d,"OFMT")) {
-           d = "#";
+           ID("#");
        }
        if (strEQ(d,"open"))
-           *d = toupper(*d);
+           *d = toUPPER(*d);
        else if (strEQ(d,"ord"))
-           *d = toupper(*d);
+           *d = toUPPER(*d);
        else if (strEQ(d,"oct"))
-           *d = toupper(*d);
+           *d = toUPPER(*d);
        ID(d);
     case 'p': case 'P':
        SNARFWORD;
@@ -667,9 +686,9 @@ yylex(void)
            XTERM(PRINTF);
        }
        if (strEQ(d,"push"))
-           *d = toupper(*d);
+           *d = toUPPER(*d);
        else if (strEQ(d,"pop"))
-           *d = toupper(*d);
+           *d = toUPPER(*d);
        ID(d);
     case 'q': case 'Q':
        SNARFWORD;
@@ -677,8 +696,8 @@ yylex(void)
     case 'r': case 'R':
        SNARFWORD;
        if (strEQ(d,"RS")) {
-           d = "/";
            saw_RS = TRUE;
+           ID("/");
        }
        if (strEQ(d,"rand")) {
            yylval = ORAND;
@@ -687,20 +706,18 @@ yylex(void)
        if (strEQ(d,"return"))
            XTERM(RET);
        if (strEQ(d,"reset"))
-           *d = toupper(*d);
+           *d = toUPPER(*d);
        else if (strEQ(d,"redo"))
-           *d = toupper(*d);
+           *d = toUPPER(*d);
        else if (strEQ(d,"rename"))
-           *d = toupper(*d);
+           *d = toUPPER(*d);
        ID(d);
     case 's': case 'S':
        SNARFWORD;
        if (strEQ(d,"split")) {
-           set_array_base = TRUE;
            XOP(SPLIT);
        }
        if (strEQ(d,"substr")) {
-           set_array_base = TRUE;
            XTERM(SUBSTR);
        }
        if (strEQ(d,"sub"))
@@ -719,7 +736,7 @@ yylex(void)
            XTERM(FUN1);
        }
        if (strEQ(d,"SUBSEP")) {
-           d = ";";
+           ID(";");
        }
        if (strEQ(d,"sin")) {
            yylval = OSIN;
@@ -734,73 +751,73 @@ yylex(void)
            XTERM(FUN1);
        }
        if (strEQ(d,"s"))
-           *d = toupper(*d);
+           *d = toUPPER(*d);
        else if (strEQ(d,"shift"))
-           *d = toupper(*d);
+           *d = toUPPER(*d);
        else if (strEQ(d,"select"))
-           *d = toupper(*d);
+           *d = toUPPER(*d);
        else if (strEQ(d,"seek"))
-           *d = toupper(*d);
+           *d = toUPPER(*d);
        else if (strEQ(d,"stat"))
-           *d = toupper(*d);
+           *d = toUPPER(*d);
        else if (strEQ(d,"study"))
-           *d = toupper(*d);
+           *d = toUPPER(*d);
        else if (strEQ(d,"sleep"))
-           *d = toupper(*d);
+           *d = toUPPER(*d);
        else if (strEQ(d,"symlink"))
-           *d = toupper(*d);
+           *d = toUPPER(*d);
        else if (strEQ(d,"sort"))
-           *d = toupper(*d);
+           *d = toUPPER(*d);
        ID(d);
     case 't': case 'T':
        SNARFWORD;
        if (strEQ(d,"tr"))
-           *d = toupper(*d);
+           *d = toUPPER(*d);
        else if (strEQ(d,"tell"))
-           *d = toupper(*d);
+           *d = toUPPER(*d);
        else if (strEQ(d,"time"))
-           *d = toupper(*d);
+           *d = toUPPER(*d);
        else if (strEQ(d,"times"))
-           *d = toupper(*d);
+           *d = toUPPER(*d);
        ID(d);
     case 'u': case 'U':
        SNARFWORD;
        if (strEQ(d,"until"))
-           *d = toupper(*d);
+           *d = toUPPER(*d);
        else if (strEQ(d,"unless"))
-           *d = toupper(*d);
+           *d = toUPPER(*d);
        else if (strEQ(d,"umask"))
-           *d = toupper(*d);
+           *d = toUPPER(*d);
        else if (strEQ(d,"unshift"))
-           *d = toupper(*d);
+           *d = toUPPER(*d);
        else if (strEQ(d,"unlink"))
-           *d = toupper(*d);
+           *d = toUPPER(*d);
        else if (strEQ(d,"utime"))
-           *d = toupper(*d);
+           *d = toUPPER(*d);
        ID(d);
     case 'v': case 'V':
        SNARFWORD;
        if (strEQ(d,"values"))
-           *d = toupper(*d);
+           *d = toUPPER(*d);
        ID(d);
     case 'w': case 'W':
        SNARFWORD;
        if (strEQ(d,"while"))
            XTERM(WHILE);
        if (strEQ(d,"write"))
-           *d = toupper(*d);
+           *d = toUPPER(*d);
        else if (strEQ(d,"wait"))
-           *d = toupper(*d);
+           *d = toUPPER(*d);
        ID(d);
     case 'x': case 'X':
        SNARFWORD;
        if (strEQ(d,"x"))
-           *d = toupper(*d);
+           *d = toUPPER(*d);
        ID(d);
     case 'y': case 'Y':
        SNARFWORD;
        if (strEQ(d,"y"))
-           *d = toupper(*d);
+           *d = toUPPER(*d);
        ID(d);
     case 'z': case 'Z':
        SNARFWORD;
@@ -854,7 +871,7 @@ scanpat(register char *s)
 }
 
 void
-yyerror(char *s)
+yyerror(const char *s)
 {
     fprintf(stderr,"%s in file %s at line %d\n",
       s,filename,line);
@@ -869,13 +886,13 @@ scannum(register char *s)
     case '1': case '2': case '3': case '4': case '5':
     case '6': case '7': case '8': case '9': case '0' : case '.':
        d = tokenbuf;
-       while (isdigit(*s)) {
+       while (isDIGIT(*s)) {
            *d++ = *s++;
        }
        if (*s == '.') {
-           if (isdigit(s[1])) {
+           if (isDIGIT(s[1])) {
                *d++ = *s++;
-               while (isdigit(*s)) {
+               while (isDIGIT(*s)) {
                    *d++ = *s++;
                }
            }
@@ -886,7 +903,7 @@ scannum(register char *s)
            *d++ = *s++;
            if (*s == '+' || *s == '-')
                *d++ = *s++;
-           while (isdigit(*s))
+           while (isDIGIT(*s))
                *d++ = *s++;
        }
        *d = '\0';
@@ -897,7 +914,7 @@ scannum(register char *s)
 }
 
 int
-string(char *ptr, int len)
+string(const char *ptr, int len)
 {
     int retval = mop;
 
@@ -1059,9 +1076,9 @@ fixup(STR *str)
            s++;
        }
        else if (*s == '\n') {
-           for (t = s+1; isspace(*t & 127); t++) ;
+           for (t = s+1; isSPACE(*t & 127); t++) ;
            t--;
-           while (isspace(*t & 127) && *t != '\n') t--;
+           while (isSPACE(*t & 127) && *t != '\n') t--;
            if (*t == '\n' && t-s > 1) {
                if (s[-1] == '{')
                    s--;
@@ -1094,7 +1111,7 @@ putlines(STR *str)
        if (pos > 78) {         /* split a long line? */
            *d-- = '\0';
            newpos = 0;
-           for (t = tokenbuf; isspace(*t & 127); t++) {
+           for (t = tokenbuf; isSPACE(*t & 127); t++) {
                if (*t == '\t')
                    newpos += 8;
                else
@@ -1181,7 +1198,6 @@ numary(int arg)
     str_cat(key,"[]");
     hstore(symtab,key->str_ptr,str_make("1"));
     str_free(key);
-    set_array_base = TRUE;
     return arg;
 }
 
@@ -1226,7 +1242,7 @@ fixfargs(int name, int arg, int prevargs)
 {
     int type;
     STR *str;
-    int numargs;
+    int numargs = 0;
 
     if (!arg)
        return prevargs;