def test_print_escape_newlines():
assert parse([
tokens.ID('print'),
tokens.WS(' '),
tokens.ID('butt\\n'),
tokens.WS('\n'),
]) == ast.Module(ast.Print(), ast.String(' butt\n'))
def test_print():
assert parse([
tokens.ID('print'),
tokens.WS(' '),
tokens.ID('butt'),
tokens.WS('\n'),
]) == ast.Module(ast.Print(), ast.String(' butt'))
def my_compile(source, filename='<unknown>', mode='exec'):
try:
from mylang.parse import parse
except ImportError:
raise ImportError('PLY is not installed')
ast_root = parse(source, filename, mode)
return compile(ast_root, filename, mode)
def hic(source):
llsource = str(compiler(parse(lex(source))))
_, s = mkstemp('.s')
interpreter = Popen(('llc', '-o', s), stdin=PIPE)
interpreter.communicate(llsource)
assert interpreter.returncode == 0, interpreter.returncode
clang = Popen(('clang', s))
clang.wait()
assert clang.returncode == 0, clang.returncode
os.unlink(s)
def test_parse_hello():
assert parse([tokens.ID('hello')]) == ast.Module(ast.Hello())
def test_parse_null():
assert parse([]) == ast.Module()
def test_parse_hello_with_whitespace():
assert parse([tokens.WS('\n\n '),
tokens.ID('hello'),
tokens.WS('\n\t')]) == ast.Module(ast.Hello())
def hello(source):
return interpret(str(compiler(parse(lex(source)))))