Remove "register" declarations

[perl5.git] / x2p / walk.c

diff --git a/x2p/walk.c b/x2p/walk.c
index d3d5f91..422fcd7 100644 (file)
--- a/x2p/walk.c
+++ b/x2p/walk.c
@@ -35,18 +35,18 @@ int prewalk ( int numit, int level, int node, int *numericptr );
 STR * walk ( int useval, int level, int node, int *numericptr, int minprec );
 #ifdef NETWARE
 char *savestr(char *str);
-char *cpytill(register char *to, register char *from, register int delim);
+char *cpytill(char *to, char *from, int delim);
 char *instr(char *big, const char *little);
 #endif
 
 STR *
-walk(int useval, int level, register int node, int *numericptr, int minprec)
+walk(int useval, int level, int node, int *numericptr, int minprec)
 {
-    register int len;
-    register STR *str;
-    register int type;
-    register int i;
-    register STR *tmpstr;
+    int len;
+    STR *str;
+    int type;
+    int i;
+    STR *tmpstr;
     STR *tmp2str;
     STR *tmp3str;
     char *t;
@@ -69,7 +69,7 @@ walk(int useval, int level, register int node, int *numericptr, int minprec)
        if (namelist) {
            while (isALPHA(*namelist)) {
                for (d = tokenbuf,s=namelist;
-                 isALPHA(*s) || isDIGIT(*s) || *s == '_';
+                 isWORDCHAR(*s);
                  *d++ = *s++) ;
                *d = '\0';
                while (*s && !isALPHA(*s)) s++;
@@ -84,11 +84,6 @@ walk(int useval, int level, register int node, int *numericptr, int minprec)
        str = walk(0,level,ops[node+1].ival,&numarg,P_MIN);
        if (do_split && need_entire && !absmaxfld)
            split_to_array = TRUE;
-       if (do_split && split_to_array)
-           set_array_base = TRUE;
-       if (set_array_base) {
-           str_cat(str,"$[ = 1;\t\t\t# set array base to 1\n");
-       }
        if (fswitch && !const_FS)
            const_FS = fswitch;
        if (saw_FS > 1 || saw_RS)
@@ -589,7 +584,7 @@ sub Pick {\n\
                    *t &= 127;
                    if (isLOWER(*t))
                        *t = toUPPER(*t);
-                   if (!isALPHA(*t) && !isDIGIT(*t))
+                   if (!isALNUMC(*t))
                        *t = '_';
                }
                if (!strchr(tokenbuf,'_'))
@@ -650,9 +645,10 @@ sub Pick {\n\
        str_set(str,"substr(");
        str_scat(str,fstr=walk(1,level,ops[node+1].ival,&numarg,P_COMMA+1));
        str_free(fstr);
-       str_cat(str,", ");
+       str_cat(str,", (");
        str_scat(str,fstr=walk(1,level,ops[node+2].ival,&numarg,P_COMMA+1));
        str_free(fstr);
+       str_cat(str,")-1");
        if (len == 3) {
            str_cat(str,", ");
            str_scat(str,fstr=walk(1,level,ops[node+3].ival,&numarg,P_COMMA+1));
@@ -712,13 +708,13 @@ sub Pick {\n\
        break;
     case OINDEX:
        str = str_new(0);
-       str_set(str,"index(");
+       str_set(str,"(1+index(");
        str_scat(str,fstr=walk(1,level,ops[node+1].ival,&numarg,P_COMMA+1));
        str_free(fstr);
        str_cat(str,", ");
        str_scat(str,fstr=walk(1,level,ops[node+2].ival,&numarg,P_COMMA+1));
        str_free(fstr);
-       str_cat(str,")");
+       str_cat(str,"))");
        numeric = 1;
        break;
     case OMATCH:
@@ -729,7 +725,7 @@ sub Pick {\n\
        str_cat(str," =~ ");
        str_scat(str,fstr=walk(1,level,ops[node+2].ival,&numarg,P_MATCH+1));
        str_free(fstr);
-       str_cat(str," && ($RLENGTH = length($&), $RSTART = length($`)+1)");
+       str_cat(str," ? scalar($RLENGTH = length($&), $RSTART = length($`)+1) : 0");
        numeric = 1;
        break;
     case OUSERDEF:
@@ -970,12 +966,12 @@ sub Pick {\n\
            }
            else if (strEQ(str->str_ptr,"$NF")) {
                numeric = 1;
-               str_set(str,"$#Fld");
+               str_set(str,"($#Fld+1)");
            }
            else if (strEQ(str->str_ptr,"$0"))
                str_set(str,"$_");
            else if (strEQ(str->str_ptr,"$ARGC"))
-               str_set(str,"($#ARGV+1)");
+               str_set(str,"($#ARGV+2)");
        }
        else {
 #ifdef NOTDEF
@@ -988,7 +984,7 @@ sub Pick {\n\
            str_cat(tmpstr,"[]");
            tmp2str = hfetch(symtab,tmpstr->str_ptr);
            if (tmp2str && atoi(tmp2str->str_ptr))
-               str_cat(str,"[");
+               str_cat(str,"[(");
            else
                str_cat(str,"{");
            str_scat(str,fstr=walk(1,level,ops[node+2].ival,&numarg,P_MIN));
@@ -999,7 +995,7 @@ sub Pick {\n\
            }
            else {
                if (tmp2str && atoi(tmp2str->str_ptr))
-                   strcpy(tokenbuf,"]");
+                   strcpy(tokenbuf,")-1]");
                else
                    strcpy(tokenbuf,"}");
                *tokenbuf += (char)128;
@@ -1012,10 +1008,10 @@ sub Pick {\n\
        str = str_new(0);
        if (split_to_array) {
            str_set(str,"$Fld");
-           str_cat(str,"[");
+           str_cat(str,"[(");
            str_scat(str,fstr=walk(1,level,ops[node+1].ival,&numarg,P_MIN));
            str_free(fstr);
-           str_cat(str,"]");
+           str_cat(str,")-1]");
        }
        else {
            i = atoi(walk(1,level,ops[node+1].ival,&numarg,P_MIN)->str_ptr);
@@ -1116,7 +1112,7 @@ sub Pick {\n\
                *t &= 127;
                if (isLOWER(*t))
                    *t = toUPPER(*t);
-               if (!isALPHA(*t) && !isDIGIT(*t))
+               if (!isALNUMC(*t))
                    *t = '_';
            }
            if (!strchr(tokenbuf,'_'))
@@ -1153,7 +1149,7 @@ sub Pick {\n\
                    *t &= 127;
                    if (isLOWER(*t))
                        *t = toUPPER(*t);
-                   if (!isALPHA(*t) && !isDIGIT(*t))
+                   if (!isALNUMC(*t))
                        *t = '_';
                }
                if (!strchr(tokenbuf,'_'))
@@ -1424,7 +1420,7 @@ sub Pick {\n\
        i = numarg;
        if (i) {
            t = s = tmpstr->str_ptr;
-           while (isALPHA(*t) || isDIGIT(*t) || *t == '$' || *t == '_')
+           while (isWORDCHAR(*t) || *t == '$')
                t++;
            i = t - s;
            if (i < 2)
@@ -1470,7 +1466,7 @@ sub Pick {\n\
        tmp2str = hfetch(symtab,str->str_ptr);
        if (tmp2str && atoi(tmp2str->str_ptr)) {
            sprintf(tokenbuf,
-             "foreach %s ($[ .. $#%s) ",
+             "foreach %s (0 .. $#%s) ",
              s,
              d+1);
        }
@@ -1550,7 +1546,7 @@ sub Pick {\n\
 }
 
 static void
-tab(register STR *str, register int lvl)
+tab(STR *str, int lvl)
 {
     while (lvl > 1) {
        str_cat(str,"\t");
@@ -1561,9 +1557,9 @@ tab(register STR *str, register int lvl)
 }
 
 static void
-fixtab(register STR *str, register int lvl)
+fixtab(STR *str, int lvl)
 {
-    register char *s;
+    char *s;
 
     /* strip trailing white space */
 
@@ -1579,9 +1575,9 @@ fixtab(register STR *str, register int lvl)
 }
 
 static void
-addsemi(register STR *str)
+addsemi(STR *str)
 {
-    register char *s;
+    char *s;
 
     s = str->str_ptr+str->str_cur - 1;
     while (s >= str->str_ptr && (*s == ' ' || *s == '\t' || *s == '\n'))
@@ -1591,9 +1587,9 @@ addsemi(register STR *str)
 }
 
 static void
-emit_split(register STR *str, int level)
+emit_split(STR *str, int level)
 {
-    register int i;
+    int i;
 
     if (split_to_array)
        str_cat(str,"@Fld");
@@ -1624,11 +1620,11 @@ emit_split(register STR *str, int level)
 }
 
 int
-prewalk(int numit, int level, register int node, int *numericptr)
+prewalk(int numit, int level, int node, int *numericptr)
 {
-    register int len;
-    register int type;
-    register int i;
+    int len;
+    int type;
+    int i;
     int numarg;
     int numeric = FALSE;
     STR *tmpstr;
@@ -2041,10 +2037,10 @@ prewalk(int numit, int level, register int node, int *numericptr)
 }
 
 static void
-numericize(register int node)
+numericize(int node)
 {
-    register int len;
-    register int type;
+    int len;
+    int type;
     STR *tmpstr;
     STR *tmp2str;
     int numarg;