better sem analysis

parse.ce

@@ -1,9 +1,5 @@
-var fd = use("fd")
 var json = use("json")
-var tokenize = use("tokenize")
-var parse = use("parse")
+var shop = use("internal/shop")
 var filename = args[0]
-var src = text(fd.slurp(filename))
-var result = tokenize(src, filename)
-var ast = parse(result.tokens, src, filename, tokenize)
+var ast = shop.parse_file(filename)
 print(json.encode(ast, true))