X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=x2p%2Fa2py.c;h=286f7cc106a35ff0b16c2662c7eb969b19a420ff;hb=eda4663d0f345e78f0a82529a08f3aa28c98ff2c;hp=cd396a28de2061a3d59feb8619c7ca66786c58cb;hpb=c5cf9ec268be725ef943af3a8c93c6ce5c5492de;p=p5sagit%2Fp5-mst-13.2.git

diff --git a/x2p/a2py.c b/x2p/a2py.c
index cd396a2..286f7cc 100644
--- a/x2p/a2py.c
+++ b/x2p/a2py.c
@@ -1,11 +1,10 @@
-/* $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) || defined(NETWARE)
@@ -19,8 +18,8 @@
 #endif
 #include "util.h"
 
-char *filename;
-char *myname;
+const char *filename;
+const char *myname;
 
 int checkers = 0;
 
@@ -31,6 +30,10 @@ 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) || defined(NETWARE)
 static void usage(void);
@@ -51,15 +54,20 @@ 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
+		fnInitGpfGlobals();	/* For importing the CLIB calls in place of Watcom calls */
 	#endif	/* NETWARE */
 
     myname = argv[0];
@@ -109,7 +117,7 @@ main(register int argc, register char **argv, register char **env)
 
     /* open script */
 
-    if (argv[0] == Nullch) {
+    if (argv[0] == NULL) {
 #if defined(OS2) || defined(WIN32) || defined(NETWARE)
 	if ( isatty(fileno(stdin)) )
 	    usage();
@@ -118,14 +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 */
@@ -246,10 +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);
 	}
@@ -419,7 +426,14 @@ yylex(void)
 		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 */
@@ -450,8 +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);
@@ -547,7 +559,7 @@ 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"))
@@ -584,7 +596,6 @@ yylex(void)
 	if (strEQ(d,"in"))
 	    XTERM(IN);
 	if (strEQ(d,"index")) {
-	    set_array_base = TRUE;
 	    XTERM(INDEX);
 	}
 	if (strEQ(d,"int")) {
@@ -630,7 +641,6 @@ yylex(void)
     case 'm': case 'M':
 	SNARFWORD;
 	if (strEQ(d,"match")) {
-	    set_array_base = TRUE;
 	    XTERM(MATCH);
 	}
 	if (strEQ(d,"m"))
@@ -639,7 +649,7 @@ 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);
@@ -651,14 +661,14 @@ 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);
@@ -686,8 +696,8 @@ yylex(void)
     case 'r': case 'R':
 	SNARFWORD;
 	if (strEQ(d,"RS")) {
-	    d = "/";
 	    saw_RS = TRUE;
+	    ID("/");
 	}
 	if (strEQ(d,"rand")) {
 	    yylval = ORAND;
@@ -705,11 +715,9 @@ 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"))
@@ -728,7 +736,7 @@ yylex(void)
 	    XTERM(FUN1);
 	}
 	if (strEQ(d,"SUBSEP")) {
-	    d = ";";
+	    ID(";");
 	}
 	if (strEQ(d,"sin")) {
 	    yylval = OSIN;
@@ -863,7 +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);
@@ -906,7 +914,7 @@ scannum(register char *s)
 }
 
 int
-string(char *ptr, int len)
+string(const char *ptr, int len)
 {
     int retval = mop;
 
@@ -1190,7 +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;
 }