X-Git-Url: https://perl5.git.perl.org/perl5.git/blobdiff_plain/3f939f220e50adb6f28f2dd14f06461c7cebfe14..181d2a7c6b5c41b580bc3ad1952713a0badcd9ad:/x2p/a2py.c

diff --git a/x2p/a2py.c b/x2p/a2py.c
index 1b1d00e..aec2a0e 100644
--- a/x2p/a2py.c
+++ b/x2p/a2py.c
@@ -1,23 +1,27 @@
-/* $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"
+#include "../unicode_constants.h"
+#define DELETE_CHAR DEL_NATIVE
 
-char *filename;
-char *myname;
+const char *filename;
+const char *myname;
 
 int checkers = 0;
 
@@ -27,9 +31,13 @@ int oper2(int type, int arg1, int arg2);
 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);
+STR *walk(int useval, int level, int node, int *numericptr, int minprec);
+#ifdef NETWARE
+char *savestr(char *str);
+char *cpy2(char *to, char *from, int delim);
+#endif
 
-#if defined(OS2) || defined(WIN32)
+#if defined(OS2) || defined(WIN32) || defined(NETWARE)
 static void usage(void);
 
 static void
@@ -48,12 +56,21 @@ 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(int argc, const char **argv, const char **env)
 {
-    register STR *str;
+    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);
@@ -90,7 +107,7 @@ 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
@@ -102,8 +119,8 @@ 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
@@ -111,14 +128,13 @@ 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 */
@@ -193,6 +209,8 @@ 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)
@@ -205,9 +223,9 @@ int idtype;
 int
 yylex(void)
 {
-    register char *s = bufptr;
-    register char *d;
-    register int tmp;
+    char *s = bufptr;
+    char *d;
+    int tmp;
 
   retry:
 #if YYDEBUG
@@ -237,10 +255,10 @@ 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);
 	}
@@ -273,11 +291,7 @@ yylex(void)
     case ':':
 	tmp = *s++;
 	XOP(tmp);
-#ifdef EBCDIC
-    case 7:
-#else
-    case 127:
-#endif
+    case DELETE_CHAR:
 	s++;
 	XTERM('}');
     case '}':
@@ -383,7 +397,7 @@ yylex(void)
 
 #define SNARFWORD \
 	d = tokenbuf; \
-	while (isALPHA(*s) || isDIGIT(*s) || *s == '_') \
+	while (isWORDCHAR(*s)) \
 	    *d++ = *s++; \
 	*d = '\0'; \
 	d = tokenbuf; \
@@ -410,7 +424,14 @@ yylex(void)
 		maxfld = tmp;
 	    XOP(FIELD);
 	}
-	split_to_array = set_array_base = TRUE;
+	for (d = s; isWORDCHAR(*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 +462,6 @@ 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);
@@ -538,7 +557,7 @@ yylex(void)
 	else if (strEQ(d,"function"))
 	    XTERM(FUNCTION);
 	if (strEQ(d,"FILENAME"))
-	    d = "ARGV";
+	    ID("ARGV");
 	if (strEQ(d,"foreach"))
 	    *d = toUPPER(*d);
 	else if (strEQ(d,"format"))
@@ -575,7 +594,6 @@ yylex(void)
 	if (strEQ(d,"in"))
 	    XTERM(IN);
 	if (strEQ(d,"index")) {
-	    set_array_base = TRUE;
 	    XTERM(INDEX);
 	}
 	if (strEQ(d,"int")) {
@@ -621,7 +639,6 @@ yylex(void)
     case 'm': case 'M':
 	SNARFWORD;
 	if (strEQ(d,"match")) {
-	    set_array_base = TRUE;
 	    XTERM(MATCH);
 	}
 	if (strEQ(d,"m"))
@@ -630,7 +647,7 @@ yylex(void)
     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);
@@ -642,14 +659,14 @@ yylex(void)
 	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);
@@ -677,8 +694,8 @@ yylex(void)
     case 'r': case 'R':
 	SNARFWORD;
 	if (strEQ(d,"RS")) {
-	    d = "/";
 	    saw_RS = TRUE;
+	    ID("/");
 	}
 	if (strEQ(d,"rand")) {
 	    yylval = ORAND;
@@ -696,11 +713,9 @@ yylex(void)
     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 +734,7 @@ yylex(void)
 	    XTERM(FUN1);
 	}
 	if (strEQ(d,"SUBSEP")) {
-	    d = ";";
+	    ID(";");
 	}
 	if (strEQ(d,"sin")) {
 	    yylval = OSIN;
@@ -809,9 +824,9 @@ yylex(void)
 }
 
 char *
-scanpat(register char *s)
+scanpat(char *s)
 {
-    register char *d;
+    char *d;
 
     switch (*s++) {
     case '/':
@@ -854,16 +869,16 @@ 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);
 }
 
 char *
-scannum(register char *s)
+scannum(char *s)
 {
-    register char *d;
+    char *d;
 
     switch (*s) {
     case '1': case '2': case '3': case '4': case '5':
@@ -897,7 +912,7 @@ scannum(register char *s)
 }
 
 int
-string(char *ptr, int len)
+string(const char *ptr, int len)
 {
     int retval = mop;
 
@@ -1010,9 +1025,9 @@ int depth = 0;
 void
 dump(int branch)
 {
-    register int type;
-    register int len;
-    register int i;
+    int type;
+    int len;
+    int i;
 
     type = ops[branch].ival;
     len = type >> 8;
@@ -1050,8 +1065,8 @@ bl(int arg, int maybe)
 void
 fixup(STR *str)
 {
-    register char *s;
-    register char *t;
+    char *s;
+    char *t;
 
     for (s = str->str_ptr; *s; s++) {
 	if (*s == ';' && s[1] == ' ' && s[2] == '\n') {
@@ -1075,8 +1090,8 @@ fixup(STR *str)
 void
 putlines(STR *str)
 {
-    register char *d, *s, *t, *e;
-    register int pos, newpos;
+    char *d, *s, *t, *e;
+    int pos, newpos;
 
     d = tokenbuf;
     pos = 0;
@@ -1151,7 +1166,7 @@ putlines(STR *str)
 void
 putone(void)
 {
-    register char *t;
+    char *t;
 
     for (t = tokenbuf; *t; t++) {
 	*t &= 127;
@@ -1181,7 +1196,6 @@ numary(int arg)
     str_cat(key,"[]");
     hstore(symtab,key->str_ptr,str_make("1"));
     str_free(key);
-    set_array_base = TRUE;
     return arg;
 }