made AEL 8-bit transparent; mainly the lexer was tossing chars with the...

made AEL 8-bit transparent; mainly the lexer was tossing chars with the hi-order bit set. Not nice. Also, allow @ in extension names, and a backslash, also.

git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@89682 65c4cc65-6c06-0410-ace0-fbb531ad65f3

res/ael/ael.y

@@ -278,6 +278,14 @@ extension : word EXTENMARK statement {
 		$$ = npval2(PV_EXTENSION, &@1, &@3);
 		$$->u1.str = $1;
 		$$->u2.statements = $3; set_dads($$,$3);}
+	| word AT word EXTENMARK statement {
+		$$ = npval2(PV_EXTENSION, &@1, &@3);
+		$$->u1.str = malloc(strlen($1)+strlen($3)+2);
+		strcpy($$->u1.str,$1);
+		strcat($$->u1.str,"@");
+		strcat($$->u1.str,$3);
+		free($1);
+		$$->u2.statements = $5; set_dads($$,$5);}
 	| KW_REGEXTEN word EXTENMARK statement {
 		$$ = npval2(PV_EXTENSION, &@1, &@4);
 		$$->u1.str = $2;
@@ -294,7 +302,6 @@ extension : word EXTENMARK statement {
 		$$->u2.statements = $8; set_dads($$,$8);
 		$$->u4.regexten=1;
 		$$->u3.hints = $4;}
-
 	;
 
 /* list of statements in a block or after a case label - can be empty */