def parse_exp7(lexer):
exp = ExpParser.parse_exp6(lexer)
while lexer.look_ahead() == TokenKind.OP_BAND:
line, op, _ = lexer.get_next_token()
bor = lua_exp.BinopExp(line, op, exp, ExpParser.parse_exp8(lexer))
exp = Optimizer.optimize_bitwise_binary_op(bor)
return exp
def parse_exp11(lexer):
exp = ExpParser.parse_exp10(lexer)
while lexer.look_ahead() == TokenKind.OP_AND:
line, op, _ = lexer.get_next_token()
lor = lua_exp.BinopExp(line, op, exp, ExpParser.parse_exp10(lexer))
exp = Optimizer.optimize_logical_and(lor)
return exp
def parse_exp6(lexer):
exp = ExpParser.parse_exp5(lexer)
if lexer.look_ahead() in (TokenKind.OP_SHL, TokenKind.OP_SHR):
line, op, _ = lexer.get_next_token()
shx = lua_exp.BinopExp(line, op, exp, ExpParser.parse_exp5(lexer))
exp = Optimizer.optimize_bitwise_binary_op(shx)
else:
return exp
return exp
def parse_exp10(lexer):
exp = ExpParser.parse_exp9(lexer)
while True:
kind = lexer.look_ahead()
if kind in (TokenKind.OP_LT, TokenKind.OP_GT, TokenKind.OP_NE,
TokenKind.OP_LE, TokenKind.OP_GE, TokenKind.OP_EQ):
line, op, _ = lexer.get_next_token()
exp = lua_exp.BinopExp(line, op, exp,
ExpParser.parse_exp9(lexer))
else:
return exp
def parse_exp4(lexer):
exp = ExpParser.parse_exp3(lexer)
while True:
if lexer.look_ahead() in (TokenKind.OP_ADD, TokenKind.OP_SUB):
line, op, _ = lexer.get_next_token()
arith = lua_exp.BinopExp(line, op, exp,
ExpParser.parse_exp3(lexer))
exp = Optimizer.optimize_arith_binary_op(arith)
else:
break
return exp
def parse_exp1(lexer):
exp = ExpParser.parse_exp0(lexer)
if lexer.look_ahead() == TokenKind.OP_POW:
line, op, _ = lexer.get_next_token()
exp = lua_exp.BinopExp(line, op, exp, ExpParser.parse_exp2(lexer))
return Optimizer.optimize_pow(exp)