[jsinterp] Added debugger and throw parser (test needed)

test/test_jsinterp_parser.py

@@ -631,7 +631,6 @@ class TestJSInterpreterParser(unittest.TestCase):
         self.assertEqual(list(jsi.statements()), ast)
 
     def test_if(self):
-        # TODO if test
         jsi = JSInterpreter(
             '''
             function a(x) {
@@ -763,6 +762,29 @@ class TestJSInterpreterParser(unittest.TestCase):
         ast = []
         self.assertEqual(list(jsi.statements()), ast)
 
+    @unittest.skip('Test not yet implemented: missing code and ast')
+    def test_try(self):
+        # TODO try test
+        jsi = JSInterpreter('')
+        ast = []
+        self.assertEqual(list(jsi.statements()), ast)
+
+    @unittest.skip('Test not yet implemented: missing code and ast')
+    def test_throw(self):
+        # TODO throw test
+        # might be combined with another
+        jsi = JSInterpreter('')
+        ast = []
+        self.assertEqual(list(jsi.statements()), ast)
+
+    @unittest.skip('Test not yet implemented: missing code and ast')
+    def test_debug(self):
+        # TODO debug test
+        # might be combined with another
+        jsi = JSInterpreter('')
+        ast = []
+        self.assertEqual(list(jsi.statements()), ast)
+
     def test_unshift(self):
         # https://hg.mozilla.org/mozilla-central/file/tip/js/src/tests/ecma_5/Array/unshift-01.js
         jsi = JSInterpreter(

youtube_dl/jsinterp/jsinterp.py

@@ -268,8 +268,16 @@ class JSInterpreter(object):
                 statement = (Token.BLOCK, discriminant, block)
 
             elif token_value == 'throw':
-                # TODO parse throwstatement
+                token_stream.pop()
-                raise ExtractorError('Throw statement is not yet supported at %d' % token_pos)
+                # XXX no line break here
+                expr = self._expression(token_stream, stack_top - 1)
+                statement = (Token.RETURN, expr)
+                peek_id, peek_value, peek_pos = token_stream.peek()
+                if peek_id is not Token.END:
+                    # FIXME automatic end insertion
+                    raise ExtractorError('Unexpected sequence %s at %d' % (peek_value, peek_pos))
+                else:
+                    token_stream.pop()
 
             elif token_value == 'try':
                 token_stream.pop()
@@ -307,8 +315,14 @@ class JSInterpreter(object):
                 statement = (Token.TRY, try_block, catch_block, finally_block)
 
             elif token_value == 'debugger':
-                # TODO parse debuggerstatement
+                token_stream.pop()
-                raise ExtractorError('Debugger statement is not yet supported at %d' % token_pos)
+                statement = (Token.DEBUG)
+                peek_id, peek_value, peek_pos = token_stream.peek()
+                if peek_id is not Token.END:
+                    # FIXME automatic end insertion
+                    raise ExtractorError('Unexpected sequence %s at %d' % (peek_value, peek_pos))
+                else:
+                    token_stream.pop()
 
         # expr
         if statement is None: