From 3e80ca51fc07d9df7feea57a3518d35cb86fc41b Mon Sep 17 00:00:00 2001
From: ceriel <none@none>
Date: Wed, 8 Nov 1989 17:14:52 +0000
Subject: [PATCH] generate #defines for MAXREPLLEN, MAXEMREPLLEN

---
 util/ncgg/cgg.y    | 14 +++++++++-----
 util/ncgg/extern.h |  6 ++++++
 util/ncgg/output.c |  3 +++
 util/ncgg/var.c    |  6 ++++--
 4 files changed, 22 insertions(+), 7 deletions(-)

diff --git a/util/ncgg/cgg.y b/util/ncgg/cgg.y
index 54251c142..0fea969cb 100644
--- a/util/ncgg/cgg.y
+++ b/util/ncgg/cgg.y
@@ -30,7 +30,6 @@ int emhere=0;	/* lexical analyzer flag */
 int optexact=0;	/* Inside "with exact" rule */
 int optstack=0;	/* Inside with <blah> STACK rule */
 int saferulefound=0;
-int maxempatlen=0;
 int maxrule=0;
 int in_em_repl=0;	/* set when in EM replacement part */
 struct varinfo *defcost;
@@ -727,6 +726,7 @@ stackpattern
 	: WITH optexact
 		{ startline = lineno; }
 	  setlist optstack
+		{ if (tokpatlen > maxtokpatlen) maxtokpatlen = tokpatlen; }
 	;
 optexact
 	: /* empty */
@@ -866,8 +866,8 @@ gen_oplist
 yields
 	: /* empty */
 		{ $$ = 0; }
-	| YIELDS yieldlist
-		{ $$ = $2; }
+	| YIELDS { tokrepllen = 0; } yieldlist
+		{ $$ = $3; if (tokrepllen > maxtokrepllen) maxtokrepllen = tokrepllen; }
 	;
 yieldlist
 	: /* empty */
@@ -877,14 +877,17 @@ yieldlist
 		  NEW($$,struct varinfo);
 		  $$->vi_next = $2;
 		  $$->vi_int[0] = $1.in_index;
+		  tokrepllen++;
 		}
 	;
 
 leaving
 	: /* empty */
 		{ $$ = 0; }
-	| LEAVING {emhere=1; in_em_repl=1; } leavelist
-		{ emhere=0; in_em_repl=0; $$ = $3; }
+	| LEAVING {emhere=1; in_em_repl=1; emrepllen = 0; } leavelist
+		{ emhere=0; in_em_repl=0; $$ = $3;
+		  if (emrepllen > maxemrepllen) maxemrepllen = emrepllen;
+		}
 	;
 leavelist
 	: leavelist_el
@@ -897,6 +900,7 @@ leavelist_el
 		  $$->vi_next=0;
 		  $$->vi_int[0] = $1;
 		  $$->vi_int[1] = $2;
+		  emrepllen++;
 		}
 	;
 
diff --git a/util/ncgg/extern.h b/util/ncgg/extern.h
index 495df3426..9e805515f 100644
--- a/util/ncgg/extern.h
+++ b/util/ncgg/extern.h
@@ -12,10 +12,16 @@ extern int ntokens;
 extern int nsets;
 extern int ninstr;
 extern int empatlen;
+extern int emrepllen;
+extern int tokrepllen;
 extern int emmnem[];
 extern int empatexpr;
 extern int codeindex;
 extern int tokpatlen;
+extern int maxtokpatlen;
+extern int maxempatlen;
+extern int maxemrepllen;
+extern int maxtokrepllen;
 extern int tokpatro[];
 extern int tokpatset[];
 extern int nallreg;
diff --git a/util/ncgg/output.c b/util/ncgg/output.c
index a49e3b535..7fc839637 100644
--- a/util/ncgg/output.c
+++ b/util/ncgg/output.c
@@ -582,6 +582,9 @@ outdefs() {
 	cdef("TOKENSIZE",maxtokensize);
 	cdef("MAXMEMBERS",maxmembers);
 	cdef("LONGESTPATTERN",maxempatlen);
+	cdef("MAXPATLEN",maxtokpatlen);
+	cdef("MAXREPLLEN",maxtokrepllen);
+	cdef("MAXEMREPLLEN",maxemrepllen);
 	cdef("MAXRULE",maxrule<16 ? 16 : maxrule);
 	if (nsplit>0) {
 		cdef("MAXSPLIT",maxsplit);
diff --git a/util/ncgg/var.c b/util/ncgg/var.c
index 25114bd39..9a7a630e8 100644
--- a/util/ncgg/var.c
+++ b/util/ncgg/var.c
@@ -23,9 +23,11 @@ int ntokens=1;
 int nsets;
 int ninstr;
 int codeindex;
-int empatlen,emmnem[EMPATMAX];
+int empatlen,emrepllen,emmnem[EMPATMAX];
+int maxempatlen, maxemrepllen;
 int empatexpr;
-int tokpatlen,tokpatset[TOKPATMAX],tokpatro[TOKPATMAX];
+int tokpatlen,tokrepllen,tokpatset[TOKPATMAX],tokpatro[TOKPATMAX];
+int maxtokpatlen, maxtokrepllen;
 int nallreg,allreg[MAXALLREG];
 int cursetno = -1;
 int allsetno;
-- 
2.34.1