Best Python code snippet using autotest_python
Tokenizer.py
Source:Tokenizer.py
1import re2class Tokenizer:3 def __init__(self, input_file_path) -> None:4 self.__input_file = open(input_file_path, 'r')5 self.__token_generator = self.__get_token_generator()6 self.current_line = 07 self.__look_aheaded = False8 self.__prev_token = ''9 self.symbols = ['{', '}', '[', ']', '(', ')', ',', '.', ';', '=', '+', '-', '*', '/', '&', '|', '~', '<', '>']10 def close(self):11 self.__input_file.close()12 def __get_token_generator(self):13 multiline_comment = False14 while True:15 line = self.__input_file.readline()16 self.current_line += 117 if line == '':18 yield "$END"19 break20 line = line.strip()21 22 if not multiline_comment:23 # remove single line comment24 line = re.sub(r"//.*", "", line, 1)25 line = re.sub(r"/[*].*[*]/", "", line, 1)26 # remove start of multiline comment (/*) 27 line, start_of_multiline_comment_count = re.subn(r"/[*].*", "", line, 1)28 multiline_comment = bool(start_of_multiline_comment_count)29 # remove end of multiline comment (*/)30 elif multiline_comment:31 line, end_of_multiline_comment_count = re.subn(r".*?[*]/", "", line, 1)32 multiline_comment = not bool(end_of_multiline_comment_count)33 if line == '' or multiline_comment:34 continue35 else:36 tmp = ''37 is_string_constant = False38 for char in line:39 if char == '"':40 tmp += '"'41 is_string_constant = not is_string_constant42 elif char in self.symbols and not is_string_constant:43 if tmp != '':44 yield tmp45 yield char46 tmp = ''47 elif re.match(r'\s+', char) and not is_string_constant:48 if tmp != '':49 yield tmp50 tmp = ''51 else:52 tmp += char53 def get_token(self, is_look_ahead=False):54 if self.__look_aheaded:55 self.__look_aheaded = is_look_ahead56 return self.__prev_token57 58 elif is_look_ahead:59 self.__look_aheaded = True60 self.__prev_token = next(self.__token_generator)61 return self.__prev_token62 63 else:...
test_categories.py
Source:test_categories.py
...13 for value in ['0', 2 ** 15 - 1, '99']:14 with self.subTest():15 self.assertTrue(is_integer_constant(value))16 def test_is_string_constant_returns_false_if_not_sandwiched_between_double_quotation_marks(self):17 self.assertFalse(is_string_constant('hello world'))18 def test_is_string_constant_returns_false_if_mismatched_double_quotation_marks(self):19 self.assertFalse(is_string_constant('"hello world'))20 def test_is_string_constant_returns_false_if_non_escaped_double_quotations_appear_other_than_extremities(self):21 self.assertFalse(is_string_constant('"The man said "hello world""'))22 def test_is_string_constant_returns_true_if_sandwiched_between_double_quotation_marks(self):23 self.assertTrue(is_string_constant('"hello world"'))24 def test_is_string_constant_returns_true_if_escaped_double_quotations_appear_between_outer(self):25 self.assertTrue(is_string_constant(r'"The man said \"hello world\""'))26 def test_is_identifier_returns_false_if_input_does_not_begin_with_letter_or_underscore(self):27 for value in ['42Street', '$var', '100dalmations']:28 with self.subTest():29 self.assertFalse(is_identifier(value))30 def test_is_identifier_returns_false_if_contains_anything_other_than_alphanumeric_and_underscore(self):31 for value in ['Fab-Lab', 'Old and Bold', 'fl33tw00dm@ck']:32 with self.subTest():33 self.assertFalse(is_identifier(value))34 def test_is_identifier_returns_true_if_contains_only_alphanumeric_and_underscore(self):35 for value in ['fooBar', 'result', 'a2int']:36 with self.subTest():...
RE.py
Source:RE.py
1import re234def is_keyword(str):5 keyword = ["return", "false", "none", "break", "from", "in", "global",6 "while", "for", "with", "class", "if", "else", "elif",7 "as", "try", "except", "raise", "finally", "continue"]8 if str in keyword:9 return ('Is Keyword')10 elif re.fullmatch("(^[^\d\W]\w*\Z)", str):11 return ('Is Identifier')12 elif(re.fullmatch("([+|-][0-9]+)|([0-9]+)", str)):13 return ("Is Int Constatnt")14 elif(re.fullmatch("([+|-][0-9]*[.][0-9]+)|([0-9]*[.][0-9]+)", str)):15 return ("Is Float Constatnt")16 elif(re.fullmatch("[\w\W]", str)):17 return ("Is Char Constatnt")18 elif (re.fullmatch("[\w\W]*", str)):19 return ("Is String Constatnt")20 else:21 return "invalid lexeme"222324# def Is_Identifier(string):25# if(re.fullmatch("(^[^\d\W]\w*\Z)", string)):26# print('Is Identifier')27# else:28# Is_Int_Constatnt(string)293031# def Is_Int_Constatnt(string):32# if(re.fullmatch("([+|-][0-9]+)|([0-9]+)", string)):33# print("Is Int Constatnt")34# else:35# Is_Float_Constant(string)363738# def Is_Float_Constant(string):39# if(re.fullmatch("([+|-][0-9]*[.][0-9]+)|([0-9]*[.][0-9]+)", string)):40# print("Is Float Constatnt")41# else:42# Is_Char_Constant(string)434445# def Is_Char_Constant(string):46# if(re.fullmatch("[\w\W]", string)):47# print("Is Char Constatnt")48# else:49# Is_String_Constant(string)505152# def Is_String_Constant(string):53# if(re.fullmatch("[\w\W]*", string)):54# print("Is String Constatnt")55# else:56# return "invalid lexeme"575859# str = input()
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