def test_init_operation(self):
textSource = TextSource(TEST_SOURCE_1_LINE)
parser = Parser(64, 256, textSource)
tree = parser.parse()
visitor = Visitor(tree)
program = Interpreter(visitor, lib)
program.interpret()
printable = f'Returned {program.return_val}.'
print(printable)
self.assertEqual(printable, 'Returned 1296.')
def test_condition_operation(self):
line = "2 < 3 "
put_line_in_lexer_text_source(self.parser, line)
tree = self.parser._parse_condition()
visitor = Visitor(tree)
program = Interpreter(visitor, lib)
program.visitor.scope_manager.scope_stack[1].append(Scope('test'))
program.visitor._visit_less_operation(tree)
self.assertEqual(program.visitor.scope_manager.last_operation_result,
True)
self.assertEqual(program.visitor.scope_manager.return_result, None)
self.assertEqual(
program.visitor.scope_manager.scope_stack[1][0].vars_or_attrs, {})
program.visitor._visit_greater_equal_operation(tree)
self.assertEqual(program.visitor.scope_manager.last_operation_result,
False)
self.assertEqual(program.visitor.scope_manager.return_result, None)
self.assertEqual(
program.visitor.scope_manager.scope_stack[1][0].vars_or_attrs, {})
program.visitor._visit_less_equal_operation(tree)
self.assertEqual(program.visitor.scope_manager.last_operation_result,
True)
self.assertEqual(program.visitor.scope_manager.return_result, None)
self.assertEqual(
program.visitor.scope_manager.scope_stack[1][0].vars_or_attrs, {})
program.visitor._visit_greater_operation(tree)
self.assertEqual(program.visitor.scope_manager.last_operation_result,
False)
self.assertEqual(program.visitor.scope_manager.return_result, None)
self.assertEqual(
program.visitor.scope_manager.scope_stack[1][0].vars_or_attrs, {})
def test_if_else_operation2(self):
line = "if (2 < 3) { Integer a = 2; } else { Double temp = 3.0; return temp; } "
put_line_in_lexer_text_source(self.parser, line)
tree = self.parser._parse_if()
visitor = Visitor(tree)
program = Interpreter(visitor, lib)
program.visitor.scope_manager.scope_stack[1].append(Scope('test'))
program.visitor._visit_if_else_operation(tree)
self.assertEqual(program.visitor.scope_manager.last_operation_result,
None)
self.assertEqual(program.visitor.scope_manager.return_result, None)
self.assertEqual(
program.visitor.scope_manager.scope_stack[1][0].vars_or_attrs, {})
def test_return_operation(self):
line = "return 2; "
put_line_in_lexer_text_source(self.parser, line)
tree = self.parser._parse_return()
visitor = Visitor(tree)
program = Interpreter(visitor, lib)
program.visitor.scope_manager.scope_stack[1].append(Scope('test'))
program.visitor._visit_return_stat_operation(tree)
self.assertEqual(program.visitor.scope_manager.last_operation_result,
2)
self.assertEqual(program.visitor.scope_manager.return_result, 2)
self.assertEqual(
program.visitor.scope_manager.scope_stack[1][0].vars_or_attrs, {})
from my_parser.parser import Parser
import my_interpreter.lib_methods as lib
from lexer.source_read import TextSource
from my_interpreter.visitor import Visitor, Interpreter
if __name__ == '__main__':
arg_parser = ArgumentParser()
arg_parser.add_argument('--file_path',
type=str,
default='../test_files/test_interpreter_code.txt')
arg_parser.add_argument('--ident_length', type=int, default=64)
arg_parser.add_argument('--string_length', type=int, default=256)
args = arg_parser.parse_args()
textSource = TextSource(args.file_path)
parser = Parser(args.ident_length, args.string_length, textSource)
tree = parser.parse()
visitor = Visitor(tree)
program = Interpreter(visitor, lib)
program.interpret()
print(f'Returned {program.return_val}.')