From fb38e9d43a9a77c578cd404b35ca34a59eb866a3 Mon Sep 17 00:00:00 2001
From: "Andrey A. Chernov" <ache@FreeBSD.org>
Date: Sat, 13 Feb 1999 14:14:47 +0000
Subject: [PATCH] syntax change: allow symbolic names as substitute first arg

---
 usr.bin/colldef/colldef.1 | 18 +++++++--------
 usr.bin/colldef/parse.y   | 16 +++++---------
 usr.bin/colldef/scan.l    | 46 +++++++++++++++++++++------------------
 3 files changed, 39 insertions(+), 41 deletions(-)

diff --git a/usr.bin/colldef/colldef.1 b/usr.bin/colldef/colldef.1
index b668d1aeac3..66bb90f6d53 100644
--- a/usr.bin/colldef/colldef.1
+++ b/usr.bin/colldef/colldef.1
@@ -23,7 +23,7 @@
 .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 .\" SUCH DAMAGE.
 .\"
-.\"	$Id$
+.\"	$Id: colldef.1,v 1.5 1997/06/26 11:25:16 charnier Exp $
 .\"
 .Dd January, 27 1995
 .Dt COLLDEF 1
@@ -124,26 +124,24 @@ representation, and can be only one character in length.
 .br
 .Ar ...
 .Pp
-Symbol names cannot be specified in
-.Ar substitute
-fields.
-.Pp
 The
 .Ar charmap
 statement is optional.
 .Pp
 .Ar substitute
-"\fIchar\fR"
+\fIsymbol\fR
 .Ar with
-"\fIrepl\fR"
+"\fIrepl_string\fR"
 .Pp
 The
 .Ar substitute
 statement substitutes the character
-.Ar char
+.Ar symbol
 with the string
-.Ar repl .
-.Pp
+.Ar repl_string .
+Symbol names cannot be specified in
+.Ar repl_string
+field.
 The
 .Ar substitute
 statement is optional.
diff --git a/usr.bin/colldef/parse.y b/usr.bin/colldef/parse.y
index 8a817262b51..da485dacd98 100644
--- a/usr.bin/colldef/parse.y
+++ b/usr.bin/colldef/parse.y
@@ -25,7 +25,7 @@
  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  * SUCH DAMAGE.
  *
- * $Id: parse.y,v 1.12 1999/02/12 20:39:05 ache Exp $
+ * $Id: parse.y,v 1.13 1999/02/12 20:56:49 ache Exp $
  */
 
 #include <err.h>
@@ -83,16 +83,12 @@ charmap : DEFN CHAR {
 	strcpy(charmap_table[$2], $1);
 }
 ;
-substitute : SUBSTITUTE STRING WITH STRING {
-	u_char ch = $2[0];
-
-	if (strlen($2) > 1)
-		yyerror("Only characters can be substituted, not strings");
-	if (ch == '\0')
+substitute : SUBSTITUTE CHAR WITH STRING {
+	if ($2 == '\0')
 		yyerror("NUL character can't be substituted");
-	if (strchr($4, ch) != NULL)
-		yyerror("Char 0x%02x substitution is recursive", ch);
-	strcpy(__collate_substitute_table[ch], $4);
+	if (strchr($4, $2) != NULL)
+		yyerror("Char 0x%02x substitution is recursive", $2);
+	strcpy(__collate_substitute_table[$2], $4);
 }
 ;
 order : ORDER order_list {
diff --git a/usr.bin/colldef/scan.l b/usr.bin/colldef/scan.l
index 27439f46a73..405068d5a27 100644
--- a/usr.bin/colldef/scan.l
+++ b/usr.bin/colldef/scan.l
@@ -1,4 +1,4 @@
-%x string name charmap defn nchar subs
+%x string name charmap defn nchar subs subs2
 %{
 /*-
  * Copyright (c) 1995 Alex Tatmanjants <alex@elvisti.kiev.ua>
@@ -26,7 +26,7 @@
  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  * SUCH DAMAGE.
  *
- * $Id: scan.l,v 1.7 1997/02/22 19:54:32 peter Exp $
+ * $Id: scan.l,v 1.8 1999/02/12 20:39:06 ache Exp $
  */
 
 #include <ctype.h>
@@ -37,7 +37,7 @@
 #include "collate.h"
 #include "y.tab.h"
 
-int line_no = 1, save_no;
+int line_no = 1, save_no, fromsubs;
 u_char buf[STR_LEN], *ptr;
 FILE *map_fp;
 extern char map_name[];
@@ -48,21 +48,22 @@ YYSTYPE yylval;
 #endif /* FLEX_DEBUG */
 %}
 %%
-<INITIAL,charmap,nchar,subs>[ \t]+      ;
-<subs>\"                { ptr = buf; BEGIN(string); }
-<INITIAL>\<             { ptr = buf; BEGIN(name); }
+<INITIAL,charmap,nchar,subs,subs2>[ \t]+      ;
+<subs2>\"               { ptr = buf; BEGIN(string); }
+<subs>\<                { ptr = buf; fromsubs = 1; BEGIN(name); }
+<INITIAL>\<             { ptr = buf; fromsubs = 0; BEGIN(name); }
 ^#.*\n			line_no++;
 ^\n			line_no++;
 <INITIAL>\\\n           line_no++;
-<INITIAL,nchar>\\t      { yylval.ch = '\t'; return CHAR; }
-<INITIAL,nchar>\\n      { yylval.ch = '\n'; return CHAR; }
-<INITIAL,nchar>\\b      { yylval.ch = '\b'; return CHAR; }
-<INITIAL,nchar>\\f      { yylval.ch = '\f'; return CHAR; }
-<INITIAL,nchar>\\v      { yylval.ch = '\v'; return CHAR; }
-<INITIAL,nchar>\\r      { yylval.ch = '\r'; return CHAR; }
-<INITIAL,nchar>\\a      { yylval.ch = '\a'; return CHAR; }
-<INITIAL,nchar>\\.      { yylval.ch = yytext[1]; return CHAR; }
-<subs>\n                {
+<INITIAL,nchar,subs>\\t      { yylval.ch = '\t'; return CHAR; }
+<INITIAL,nchar,subs>\\n      { yylval.ch = '\n'; return CHAR; }
+<INITIAL,nchar,subs>\\b      { yylval.ch = '\b'; return CHAR; }
+<INITIAL,nchar,subs>\\f      { yylval.ch = '\f'; return CHAR; }
+<INITIAL,nchar,subs>\\v      { yylval.ch = '\v'; return CHAR; }
+<INITIAL,nchar,subs>\\r      { yylval.ch = '\r'; return CHAR; }
+<INITIAL,nchar,subs>\\a      { yylval.ch = '\a'; return CHAR; }
+<INITIAL,nchar,subs>\\.      { yylval.ch = yytext[1]; return CHAR; }
+<subs2>\n               {
 	line_no++;
 	BEGIN(INITIAL);
 	return '\n';
@@ -77,18 +78,18 @@ YYSTYPE yylval;
 }
 <INITIAL>[;,{}()]       return *yytext;
 <INITIAL>substitute     { BEGIN(subs); return SUBSTITUTE; }
-<subs>with              return WITH;
+<subs>with              { BEGIN(subs2); return WITH; }
 <INITIAL>order          return ORDER;
 <INITIAL>charmap        BEGIN(charmap);
 <INITIAL>;[ \t]*\.\.\.[ \t]*;   return RANGE;
-<INITIAL,nchar>\\[0-7]{3}       {
+<INITIAL,nchar,subs>\\[0-7]{3}       {
 	u_int v;
 
 	sscanf(&yytext[1], "%o", &v);
 	yylval.ch = (u_char)v;
 	return CHAR;
 }
-<INITIAL,nchar>\\x[0-9a-z]{2}   {
+<INITIAL,nchar,subs>\\x[0-9a-z]{2}   {
 	u_int v;
 
 	sscanf(&yytext[2], "%x", &v);
@@ -106,7 +107,7 @@ YYSTYPE yylval;
 	strcpy(yylval.str, yytext);
 	return CHAIN;
 }
-<nchar>.                {
+<nchar,subs>.                {
 	yylval.ch = *yytext;
 	return CHAR;
 }
@@ -151,13 +152,16 @@ YYSTYPE yylval;
 		buf, line_no);
 	findit:
 	yylval.ch = i;
-	BEGIN(INITIAL);
+	if (fromsubs)
+		BEGIN(subs);
+	else
+		BEGIN(INITIAL);
 	return CHAR;
 }
 <string>\"		{
 	*ptr = '\0';
 	strcpy(yylval.str, buf);
-	BEGIN(subs);
+	BEGIN(subs2);
 	return STRING;
 }
 <name,defn>.            {