Add support for INTEGER expressions

src/handlebars.l

@@ -24,6 +24,7 @@
 <mu>"}}}"                    { this.begin("INITIAL"); return 'CLOSE'; }
 <mu>"}}"                     { this.begin("INITIAL"); return 'CLOSE'; }
 <mu>'"'("\\"["]|[^"])*'"'    { yytext = yytext.substr(1,yyleng-2).replace(/\\"/g,'"'); return 'STRING'; }
+<mu>[0-9]+/[}\s]             { return 'INTEGER' }
 <mu>[a-zA-Z0-9_$-]+/[=}\s/.] { return 'ID'; }
 <mu>.                        { return 'INVALID'; }
 

src/handlebars.yy

@@ -68,6 +68,7 @@ params
 param
   : path { $$ = $1 }
   | STRING { $$ = new yy.StringNode($1) }
+  | INTEGER { $$ = new yy.IntegerNode($1) }
   ;
 
 hash
@@ -82,6 +83,7 @@ hashSegments
 hashSegment
   : ID EQUALS path { $$ = [$1, $3] }
   | ID EQUALS STRING { $$ = [$1, new yy.StringNode($3)] }
+  | ID EQUALS INTEGER { $$ = [$1, new yy.IntegerNode($3)] }
   ;
 
 path