Remove all usages of start_parsing=True in the fast parser.

jedi/evaluate/compiled/mixed.py

@@ -5,8 +5,7 @@ Used only for REPL Completion.
 import inspect
 import os
 
-from jedi import common
+from jedi.parser.python import parse
-from jedi.parser.python.diff import FastParser
 from jedi.evaluate import compiled
 from jedi.cache import underscore_memoization
 from jedi.evaluate import imports
@@ -115,15 +114,13 @@ class MixedObjectFilter(compiled.CompiledObjectFilter):
         #return MixedName(self._evaluator, self._compiled_object, name)
 
 
-def parse(grammar, path):
-    with open(path) as f:
-        source = f.read()
-    source = common.source_to_unicode(source)
-    return FastParser(grammar, source, path)
-
-
 def _load_module(evaluator, path, python_object):
-    module = parse(evaluator.grammar, path).get_root_node()
+    module = parse(
+        grammar=evaluator.grammar,
+        path=path,
+        cache=True,
+        diff_cache=True
+    ).get_root_node()
     python_module = inspect.getmodule(python_object)
 
     evaluator.modules[python_module.__name__] = module

jedi/parser/python/parser.py

@@ -51,6 +51,7 @@ class Parser(BaseParser):
             source += '\n'
             self._added_newline = True
 
+        self.new_code = source
         if start_parsing:
             if tokens is None:
                 tokens = tokenize.source_tokens(source, use_exact_op_types=True)

test/test_evaluate/test_buildout_detection.py

@@ -9,7 +9,6 @@ from jedi.evaluate.sys_path import (_get_parent_dir_with_file,
 from jedi.evaluate import Evaluator
 from jedi.evaluate.representation import ModuleContext
 from jedi.parser.python import parse, load_grammar
-from jedi.parser.python.parser import ParserWithRecovery
 
 from ..helpers import cwd_at
 
@@ -62,14 +61,14 @@ def test_path_from_invalid_sys_path_assignment():
 
 @cwd_at('test/test_evaluate/buildout_project/src/proj_name/')
 def test_sys_path_with_modifications():
-    code = dedent(u("""
+    code = dedent("""
         import os
-    """))
+    """)
 
     path = os.path.abspath(os.path.join(os.curdir, 'module_name.py'))
     grammar = load_grammar()
-    p = ParserWithRecovery(grammar, code, module_path=path)
+    module_node = parse(code, path=path)
-    module_context = ModuleContext(Evaluator(grammar), p.get_root_node())
+    module_context = ModuleContext(Evaluator(grammar), module_node)
     paths = sys_path_with_modifications(module_context.evaluator, module_context)
     assert '/tmp/.buildout/eggs/important_package.egg' in paths
 

test/test_parser/test_diff_parser.py

@@ -9,6 +9,7 @@ from jedi import cache
 from jedi.parser.python import load_grammar
 from jedi.parser.python.diff import DiffParser
 from jedi.parser import ParserWithRecovery
+from jedi.parser.tokenize import source_tokens
 
 
 def _check_error_leaves_nodes(node):
@@ -41,11 +42,12 @@ def _assert_valid_graph(node):
 
 
 class Differ(object):
-    def initialize(self, source):
+    def initialize(self, code):
         debug.dbg('differ: initialize', color='YELLOW')
         grammar = load_grammar()
-        self.parser = ParserWithRecovery(grammar, source)
+        self.parser = ParserWithRecovery(grammar, code, start_parsing=False)
-        return self.parser.get_root_node()
+        tokens = source_tokens(self.parser.new_code, use_exact_op_types=True)
+        return self.parser.parse(tokens)
 
     def parse(self, source, copies=0, parsers=0, expect_error_leaves=False):
         debug.dbg('differ: parse copies=%s parsers=%s', copies, parsers, color='YELLOW')

test/test_parser/test_old_fast_parser.py

@@ -10,9 +10,7 @@ from textwrap import dedent
 
 import jedi
 from jedi._compatibility import u
-from jedi.parser.python import load_grammar
+from jedi.parser.python import parse
-from jedi.parser.python.diff import FastParser
-from jedi.parser.utils import save_parser
 
 
 def test_carriage_return_splitting():
@@ -26,8 +24,7 @@ def test_carriage_return_splitting():
             pass
         '''))
     source = source.replace('\n', '\r\n')
-    p = FastParser(load_grammar(), source)
+    module = parse(source)
-    module = p.get_root_node()
     assert [n.value for lst in module.used_names.values() for n in lst] == ['Foo']
 
 
@@ -46,12 +43,10 @@ def check_p(src, number_parsers_used, number_of_splits=None, number_of_misses=0)
     if number_of_splits is None:
         number_of_splits = number_parsers_used
 
-    grammar = load_grammar()
+    module_node = parse(src)
-    p = FastParser(grammar, u(src))
-    save_parser(grammar, None, p, pickling=False)
 
-    assert src == p.get_root_node().get_code()
+    assert src == module_node.get_code()
-    return p.get_root_node()
+    return module_node
 
 
 def test_if():
@@ -281,13 +276,12 @@ def test_decorator_string_issue():
 
 
 def test_round_trip():
-    source = dedent('''
+    code = dedent('''
     def x():
         """hahaha"""
     func''')
 
-    f = FastParser(load_grammar(), u(source))
+    assert parse(code).get_code() == code
-    assert f.get_root_node().get_code() == source
 
 
 def test_parentheses_in_string():

test/test_parser/test_parser.py

@@ -4,7 +4,6 @@ from textwrap import dedent
 
 import jedi
 from jedi._compatibility import u, is_py3
-from jedi.parser import ParserWithRecovery
 from jedi.parser.python import parse, load_grammar
 from jedi.parser.python import tree
 
@@ -90,13 +89,13 @@ class TestImports():
 
 
 def test_module():
-    module = ParserWithRecovery(load_grammar(), u('asdf'), 'example.py').get_root_node()
+    module = parse('asdf', path='example.py')
     name = module.name
     assert str(name) == 'example'
     assert name.start_pos == (1, 0)
     assert name.end_pos == (1, 7)
 
-    module = ParserWithRecovery(load_grammar(), u('asdf')).get_root_node()
+    module = parse('asdf')
     name = module.name
     assert str(name) == ''
     assert name.start_pos == (1, 0)
@@ -190,7 +189,7 @@ def test_param_splitting():
     def check(src, result):
         # Python 2 tuple params should be ignored for now.
         grammar = load_grammar('%s.%s' % sys.version_info[:2])
-        m = ParserWithRecovery(grammar, u(src)).get_root_node()
+        m = parse(src, grammar=grammar)
         if is_py3:
             assert not m.subscopes
         else: