parser: fix and add tests to test_parser.nit

[nit.git] / src / static / git-favicon.png

diff --git a/src/parser/test_parser.nit b/src/parser/test_parser.nit
deleted file mode 100644 (file)
index fd53079..0000000
--- a/src/parser/test_parser.nit
+++ /dev/null
@@ -1,91 +0,0 @@
-# This file is part of NIT ( http://www.nitlanguage.org ).
-#
-# Copyright 2008 Jean Privat <jean@pryen.org>
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#     http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-
-# Program used to test the NIT parser
-package test_parser
-
-import parser
-
-class PrintTreeVisitor
-       super Visitor
-       var _rank: Int
-       redef fun visit(n: nullable ANode)
-       do
-               if n == null then return
-               printn("  " * _rank, n.to_s, " ... ", n.location, "\n")
-               _rank = _rank + 1
-               n.visit_all(self)
-               _rank = _rank - 1
-       end
-
-       init
-       do
-               _rank = 0
-       end
-end
-
-var no_print = false
-var only_lexer = false
-var need_help = false
-
-while not args.is_empty and args.first.first == '-' do
-       if args.first == "-n" then
-               no_print = true
-       else if args.first == "-l" then
-               only_lexer = true
-       else if args.first == "-p" then
-               only_lexer = false 
-       else if args.first == "-h" or args.first == "-?" then
-               need_help = true
-       else
-               stderr.write("Unknown option {args.first}.\n")
-               exit(0)
-       end
-       args.shift
-end
-
-if args.is_empty or need_help then
-       print("usage:")
-       print("  test_parser [options]... <filename.nit>...")
-       print("options:")
-       print("  -n     do not print anything")
-       print("  -l     only lexer")
-       print("  -p     lexer and parser (default)")
-       print("  -h     print this help")
-else
-       for a in args do
-               var f = new IFStream.open(a)
-               var lexer = new Lexer(f, a)
-               if only_lexer then
-                       var token = lexer.next
-                       while not token isa EOF do
-                               if not no_print then
-                                       print("Read token at {token.location} text='{token.text}'")
-                               end
-                               token = lexer.next
-                       end
-                       f.close
-               else
-                       var parser = new Parser(lexer)
-                       var tree = parser.parse
-                       f.close
-
-                       if not no_print then
-                               (new PrintTreeVisitor).enter_visit(tree)
-                       end
-               end
-       end
-end