def test_parse():
import pprint
l = Lex('tests/test.ail')
ts = l.lex()
p = Parser('tests/test.ail')
t = p.test(ts)
pt = test_utils.make_ast_tree(t)
pprint.pprint(pt)
def test_compiler():
from core.aparser import Parser
from core.alex import Lex
l = Lex('../tests/test.ail')
ts = l.lex()
p = Parser('../tests/test.ail')
t = p.parse(ts)
c = Compiler(t)
bf = c.compile(t)
test_utils.show_bytecode(bf)
def test_vm():
import pickle
from core.alex import Lex
from core.aparser import Parser
from core.acompiler import Compiler
l = Lex('tests/test.ail')
ts = l.lex()
t = Parser('tests/test.ail').parse(ts)
cbf = Compiler(filename='<TEST>').compile(t)
co = cbf.code_object
inter = Interpreter()
inter.exec(co)
class Shell:
def __init__(self):
self.__buffer = []
self.ps1 = '>> '
self.ps2 = '.. '
self.__more_level = 0
self.__temp_name = '.temp.tmp'
self.__fbuffer = open(self.__temp_name, 'w')
self.__program = 'begin\n%s\nend\n'
self.__main_frame = Frame()
self.__main_frame.variable = _SHELL_NAMESPACE
self.__lexer = Lex(self.__temp_name)
self.__parser = Parser(self.__temp_name)
self.__compiler = Compiler(filename='<shell>')
self.__inter = Interpreter()
def __write(self, line: str):
if self.__fbuffer.closed:
self.__fbuffer = open(self.__temp_name, 'w')
self.__fbuffer.write(line + '\n')
self.__fbuffer.close()
def __read(self) -> str:
if self.__fbuffer.closed:
self.__fbuffer = open(self.__temp_name, 'r', encoding='UTF-8')
s = self.__fbuffer.read()
self.__fbuffer.close()
return s
def __get_more_line_state(self, line: str) -> int:
'''
:return : -1 end more | 0 normal | 1 start more
'''
self.__write(line)
ts = Lex(self.__temp_name).lex()
for tok in ts.token_list[::-1]:
if tok.ttype == tokent.LAP_IDENTIFIER:
if tok.value in _MORE_KEYWORD:
return 1
if tok.value in _END_KEYWORD:
return -1
return 0
def __print_welcome_text(self):
v = ''
try:
v = AIL_VERSION
except KeyError:
pass
print('AIL shell %s' % ('(AIL version = %s)' % v) if v else '')
print('Type \'exit()\' to exit.\n')
def __run_single_line(self, line: str, block=False):
single_line = not block
self.__write(self.__program % line)
t = self.__lexer.lex(self.__temp_name)
t = self.__parser.parse(t)
cobj = self.__compiler.compile(t, single_line=single_line).code_object
self.__main_frame.code = cobj
self.__main_frame.varnames = cobj.varnames
self.__main_frame.consts = cobj.consts
self.__inter.exec(cobj, self.__main_frame)
if self.__main_frame.stack:
tof = self.__main_frame.stack.pop()
if tof is not null.null:
print(repr(tof))
def __run_block(self):
self.__run_single_line('\n'.join(self.__buffer), True)
self.__buffer = []
def __read_temp_file(self):
return open(self.__temp_name).read()
def run_shell(self):
try:
self.__run_shell()
finally:
os.remove(self.__temp_name)
def __run_shell(self):
self.__print_welcome_text()
ps = self.ps1
in_more = False
while True:
try:
line = input(ps)
more = self.__get_more_line_state(line)
if more == 1:
self.__more_level += 1
in_more = True
ps = self.ps2
self.__buffer.append(line)
elif more == -1:
self.__more_level -= 1 if self.__more_level > 0 else 0
self.__buffer.append(line)
if self.__more_level == 0:
in_more = False
ps = self.ps1
self.__run_block()
elif self.__more_level >= 0:
if in_more:
self.__buffer.append(line)
else:
self.__run_single_line(line)
except error._AILRuntimeError as e:
in_more = False
print(str(e))
self.__main_frame.stack = []
self.__buffer = []
except EOFError as e:
print()
break
except KeyboardInterrupt as e:
in_more = False
print('\n%s' % str(type(e).__name__))
self.__buffer = []
self.__main_frame.variable['__temp__'] = \
string.convert_to_string(self.__read_temp_file())
os.remove(self.__temp_name)