parser: Update make_grammer_text.py

- Support auto-generated license header based on created time. - Add missed case when adding test cases #22

Author: corona10

parser/make_grammar_test.py

@@ -10,6 +10,7 @@
 
 importsys
 importast
+importdatetime
 importsubprocess
 
 inp= [
@@ -57,6 +58,7 @@
  ("[1,]", "eval"),
  ("[1,2]", "eval"),
  ("[1,2,]", "eval"),
+ ("[e for e in (1,2,3)]", "eval"),
 
 # tuple
  ("( a for a in ab )", "eval"),
@@ -375,6 +377,9 @@
  ("a, b = *a", "exec"),
  ("a = yield a", "exec"),
  ('''a.b = 1''', "exec"),
+ ("[e for e in [1, 2, 3]] = 3", "exec", SyntaxError),
+ ("{e for e in [1, 2, 3]} = 3", "exec", SyntaxError),
+ ("{e: e**2 for e in [1, 2, 3]} = 3", "exec", SyntaxError),
  ('''f() = 1''', "exec", SyntaxError),
  ('''lambda: x = 1''', "exec", SyntaxError),
  ('''(a + b) = 1''', "exec", SyntaxError),
@@ -493,21 +498,26 @@ def escape(x):
 defmain():
 """Write grammar_data_test.go"""
 path="grammar_data_test.go"
-out= ["""// Test data generated by make_grammar_test.py - do not edit
+year=datetime.datetime.now().year
+out= ["""// Copyright{year} The go-python Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+// Test data generated by make_grammar_test.py - do not edit
 
 package parser
 
 import (
 "github.com/go-python/gpython/py"
 )
 
-var grammarTestData = []struct{
+var grammarTestData = []struct{{
 in string
 mode string
 out string
 exceptionType *py.Type
 errString string
-}{"""]
+}}{{""".format(year=year)]
 forxininp:
 source, mode=x[:2]
 iflen(x) >2: