From 33c428e6a78582ca4b8ea11c1da089f8837e5aad Mon Sep 17 00:00:00 2001
From: Ken Thompson <ken@golang.org>
Date: Tue, 24 Jun 2008 17:16:06 -0700
Subject: middle dot as alpha package separator

SVN=124419
---
 src/cmd/cc/lexbody | 16 +++++++++++++---
 1 file changed, 13 insertions(+), 3 deletions(-)

(limited to 'src/cmd/cc')

diff --git a/src/cmd/cc/lexbody b/src/cmd/cc/lexbody
index f7ba6d0fc..3a38e2ae9 100644
--- a/src/cmd/cc/lexbody
+++ b/src/cmd/cc/lexbody
@@ -232,6 +232,16 @@ lookup(void)
 	return s;
 }
 
+int
+ISALPHA(int c)
+{
+	if(isalpha(c))
+		return 1;
+	if(c >= Runeself)
+		return 1;
+	return 0;
+}
+
 long
 yylex(void)
 {
@@ -259,7 +269,7 @@ l1:
 		}
 		goto l0;
 	}
-	if(isalpha(c))
+	if(ISALPHA(c))
 		goto talph;
 	if(isdigit(c))
 		goto tnum;
@@ -275,7 +285,7 @@ l1:
 
 	case '.':
 		c = GETC();
-		if(isalpha(c)) {
+		if(ISALPHA(c)) {
 			cp = symb;
 			*cp++ = '.';
 			goto aloop;
@@ -296,7 +306,7 @@ l1:
 	aloop:
 		*cp++ = c;
 		c = GETC();
-		if(isalpha(c) || isdigit(c) || c == '_' || c == '$')
+		if(ISALPHA(c) || isdigit(c) || c == '_' || c == '$')
 			goto aloop;
 		*cp = 0;
 		peekc = c;
-- 
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