def setUp(self):
with open('tests/input/file', 'w') as file:
file.write("program{int x;};")
self.s: Scanner = Scanner('tests/input/file')
tokens: list = self.s.scan_file()
self.p: Parser = Parser(tokens)
def __init__(self):
self.lexer = Lexer()
self.parser = Parser()
self.typechecker = Typechecker()
def __init__(self):
self.lexer_instance = Lexer()
self.parser_instance = Parser()
import unittest
from rply import Token
from compiler.parser.parser import Parser
import compiler.parser.ast as ast
parser = Parser()
class TestExpr(unittest.TestCase):
def test_add(self):
'''Can parse a simple addition: `1 + 1;`'''
given = iter([
Token('INTEGER', '1'),
Token('PLUS', '+'),
Token('INTEGER', '1'),
Token('SEMI', ';')
])
expected = ast.Block([
ast.Statement(ast.BinOp('+', ast.Integer(1), ast.Integer(1)))
])
result = parser.parse(given)
assert expected == result
def test_op_order(self):
'''Enforces the right op. precedence: `1 + 5 * 20;`'''
given = iter([
from compiler.scanner.scanner import Scanner
from compiler.parser.parser import Parser
DEBUG_TEST_FILE = "compiler/samples/sample_2"
args_len: int = len(sys.argv)
if args_len >= 2:
s = Scanner(sys.argv[1])
else:
s = Scanner(DEBUG_TEST_FILE)
token_sequence: list = s.scan_file()
print("----------\nScanner\n----------")
if args_len >= 3:
s.log(sys.argv[2])
else:
s.log()
print("----------\nParser\n----------")
p: Parser = Parser(token_sequence)
result: bool = p.parse()
if args_len >= 3:
p.log_results(sys.argv[2])
print('----------\n'+str(result))
else:
p.log_results()
print('----------\nResult: ' + str(result))