[jsinterp] Fixing typos and code style

test/js2tests/__init__.py

@@ -9,8 +9,8 @@
 #
 #     code: If missing subtest is skipped, Otherwise it's value is used as code to initialize the tested class.
 #     globals: Optional. Used only by `test_jsinterp`. If set used as argument `variables` initializing `JSInterperter`.
-#     asserts: Used only by `test_jsinterp`. If this is missing subtest is skipped, Should be a list of `dict`, each used
+#     asserts: Used only by `test_jsinterp`. If this is missing subtest is skipped, Should be a list of `dict`, each
-#              as an assertion for the initialized `JSInterpreter`. Each `dict` may have the following keys:
+#              used as an assertion for the initialized `JSInterpreter`. Each `dict` may have the following keys:
 #                 value: If missing assertion is skipped. Otherwise it's value is used as expected value in
 #                        an `assertEqual` call.
 #                 call: Optional. If set used as arguments of a `call_function` call of the initialized `JSInterpreter`

test/js2tests/basic.py

@@ -24,7 +24,7 @@ tests = [
         'ast': [(Token.FUNC, 'x', [], [None])]
     },
     {
-        # FIXME: function expresiion needs to be implemented
+        # FIXME: function expression needs to be implemented
         'exclude': ('jsinterp2',),
         'code': 'var x5 = function x5(){return 42;}',
         'asserts': [{'value': 42, 'call': ('x5',)}]

test/js2tests/call.py

@@ -42,7 +42,7 @@ tests = [
         # FIXME built-in functions not yet implemented
         'exclude': ('jsinterp2',),
         'code': 'function x(a) { return a.split(""); }',
-        'asserts': [{'value': ["a", "b", "c"], 'call': ('x',"abc")}],
+        'asserts': [{'value': ["a", "b", "c"], 'call': ('x', "abc")}],
         'ast': [
             (Token.FUNC, 'x', ['a'], [
                 (Token.RETURN, (Token.EXPR, [

test/js2tests/do_loop.py

@@ -4,7 +4,7 @@ from youtube_dl.jsinterp2.jsgrammar import Token
 from youtube_dl.jsinterp2.tstream import _ASSIGN_OPERATORS, _UNARY_OPERATORS, _RELATIONS
 
 skip = {
-    'jsinterp': 'Do loop is not supportted',
+    'jsinterp': 'Do loop is not supported',
     'interpret': 'Interpreting do loop not yet implemented'
 }
 

test/js2tests/parens.py

@@ -52,7 +52,8 @@ tests = [
                                              (Token.MEMBER, (Token.EXPR, [(Token.ASSIGN, None, (Token.OPEXPR, [
                                                  (Token.MEMBER, (Token.EXPR, [(Token.ASSIGN, None, (Token.OPEXPR, [
                                                      (Token.MEMBER, (Token.EXPR, [(Token.ASSIGN, None, (Token.OPEXPR, [
-                                                         (Token.MEMBER, (Token.EXPR, [(Token.ASSIGN, None, (Token.OPEXPR, [
+                                                         (Token.MEMBER,
+                                                          (Token.EXPR, [(Token.ASSIGN, None, (Token.OPEXPR, [
                                                               (Token.MEMBER,
                                                                (Token.EXPR, [(Token.ASSIGN, None, (Token.OPEXPR, [
                                                                    (Token.MEMBER, (Token.INT, 3), None, None)

test/js2tests/unary.py

@@ -1,7 +1,7 @@
 from __future__ import unicode_literals
 
 skip = {
-    'jsinterp': 'Unary opertations are not supported',
+    'jsinterp': 'Unary operations are not supported',
     'parse': True
 }
 

youtube_dl/jsinterp2/jsbuilt_ins/utils.py

@@ -6,7 +6,7 @@ from .base import (
 
 
 def _get_formal_args(func):
-    return func.__code__.co_varnames[func.__code__.co_argcount - len((func.__defaults__))]
+    return func.__code__.co_varnames[func.__code__.co_argcount - len(func.__defaults__)]
 
 
 def to_js(o, name=None):

youtube_dl/jsinterp2/jsparser.py

@@ -156,7 +156,7 @@ class Parser(object):
 
             elif token_value == 'debugger':
                 self.token_stream.pop()
-                statement = (Token.DEBUG)
+                statement = (Token.DEBUG,)
                 peek_id, peek_value, peek_pos = self.token_stream.peek()
                 if peek_id is Token.END:
                     self.token_stream.pop()
@@ -164,7 +164,7 @@ class Parser(object):
                     # FIXME automatic end insertion
                     raise ExtractorError('Unexpected sequence at %d' % peek_pos)
             else:  # label
-                # XXX possible refactoring (this is the only branch not poping)
+                # XXX possible refactoring (this is the only branch not popping)
                 token_id, token_value, token_pos = self.token_stream.peek(2)
                 if token_id is Token.COLON:
                     token_id, label_name, token_pos = self.token_stream.pop(2)