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arglist rearrangement
This commit is contained in:
Anthony Scopatz
parent
39f04896f7
commit
e7df9fbe46
1 changed files with 74 additions and 54 deletions
128
xonsh/parser.py
128
xonsh/parser.py
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@ -199,7 +199,7 @@ class Parser(object):
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self.lexer = lexer = Lexer()
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self.tokens = lexer.tokens
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opt_rules = (
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opt_rules = [
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'newlines', 'arglist', 'func_call', 'rarrow_test', 'typedargslist',
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'equals_test', 'colon_test', 'tfpdef', 'comma_tfpdef_list',
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'comma_pow_tfpdef', 'vfpdef', 'comma_vfpdef_list',
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@ -213,12 +213,13 @@ class Parser(object):
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'op_factor_list', 'trailer_list', 'testlist_comp',
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'yield_expr_or_testlist_comp', 'dictorsetmaker',
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'comma_subscript_list', 'test', 'sliceop', 'comp_iter',
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'yield_arg', 'argument_comma_list', 'comma_argument_list',
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'test_comma_list', )
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'yield_arg', 'test_comma_list',]
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if VER_MAJOR_MINOR <= VER_3_4:
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opt_rules += ['argument_comma_list', 'comma_argument_list',]
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for rule in opt_rules:
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self._opt_rule(rule)
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list_rules = (
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list_rules = [
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'comma_tfpdef', 'comma_vfpdef', 'semi_small_stmt',
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'comma_test_or_star_expr', 'period_or_ellipsis',
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'comma_import_as_name', 'comma_dotted_as_name', 'period_name',
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@ -226,9 +227,10 @@ class Parser(object):
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'or_and_test', 'and_not_test', 'comp_op_expr', 'pipe_xor_expr',
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'xor_and_expr', 'ampersand_shift_expr', 'shift_arith_expr',
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'pm_term', 'op_factor', 'trailer', 'comma_subscript',
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'comma_expr_or_star_expr', 'comma_test', 'argument_comma',
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'comma_argument', 'comma_item', 'attr_period_name', 'test_comma',
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'equals_yield_expr_or_testlist', )
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'comma_expr_or_star_expr', 'comma_test', 'comma_argument', 'comma_item',
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'attr_period_name', 'test_comma', 'equals_yield_expr_or_testlist', ]
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if VER_MAJOR_MINOR <= VER_3_4:
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list_rules += ['argument_comma',]
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for rule in list_rules:
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self._list_rule(rule)
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@ -1978,61 +1980,79 @@ class Parser(object):
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else:
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args['args'].append(arg)
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def p_arglist(self, p):
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"""arglist : argument comma_opt
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| argument_comma_list argument comma_opt
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| argument_comma_list_opt TIMES test comma_argument_list_opt
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| argument_comma_list_opt TIMES test COMMA POW test
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| argument_comma_list_opt TIMES test comma_argument_list COMMA POW test
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| argument_comma_list_opt POW test
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"""
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lenp = len(p)
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p1, p2 = p[1], p[2]
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p0 = {'args': [], 'keywords': [], 'starargs': None, 'kwargs': None}
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if lenp == 3:
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#
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# arglist rule had significant changes
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#
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if VER_3_5 <= VER_MAJOR_MINOR:
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def p_arglist(self, p):
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"""arglist : argument comma_opt
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| argument comma_argument_list comma_opt
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"""
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p0 = {'args': [], 'keywords': []}
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p1, p2 = p[1], p[2]
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p2 = None if p2 == ',' else p2
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self._set_arg(p0, p1)
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elif lenp == 4 and p2 != '**':
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for arg in p1:
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self._set_arg(p0, arg)
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self._set_arg(p0, p2)
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elif lenp == 4 and p2 == '**':
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if p1 is not None:
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if p2 is not None:
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for arg in p2:
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self._set_arg(p0, arg)
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p[0] = p0
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else: # Python v3.4
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def p_arglist(self, p):
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"""arglist : argument comma_opt
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| argument_comma_list argument comma_opt
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| argument_comma_list_opt TIMES test comma_argument_list_opt
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| argument_comma_list_opt TIMES test COMMA POW test
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| argument_comma_list_opt TIMES test comma_argument_list COMMA POW test
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| argument_comma_list_opt POW test
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"""
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lenp = len(p)
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p1, p2 = p[1], p[2]
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p0 = {'args': [], 'keywords': [], 'starargs': None, 'kwargs': None}
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if lenp == 3:
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self._set_arg(p0, p1)
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elif lenp == 4 and p2 != '**':
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for arg in p1:
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self._set_arg(p0, arg)
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self._set_arg(p0, p[3], ensure_kw=True)
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elif lenp == 5:
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p0['starargs'], p4 = p[3], p[4]
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if p1 is not None:
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for arg in p1:
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self._set_arg(p0, arg)
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if p4 is not None:
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self._set_arg(p0, p2)
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elif lenp == 4 and p2 == '**':
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if p1 is not None:
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for arg in p1:
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self._set_arg(p0, arg)
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self._set_arg(p0, p[3], ensure_kw=True)
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elif lenp == 5:
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p0['starargs'], p4 = p[3], p[4]
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if p1 is not None:
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for arg in p1:
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self._set_arg(p0, arg)
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if p4 is not None:
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for arg in p4:
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self._set_arg(p0, arg, ensure_kw=True)
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elif lenp == 7:
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p0['starargs'] = p[3]
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if p1 is not None:
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for arg in p1:
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self._set_arg(p0, arg)
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self._set_arg(p0, p[6], ensure_kw=True)
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elif lenp == 8:
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kwkey = 'keywords' if VER_MAJOR_MINOR >= VER_3_5 else 'kwargs'
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p0['starargs'], p4 = p[3], p[4]
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if p1 is not None:
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for arg in p1:
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self._set_arg(p0, arg)
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for arg in p4:
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self._set_arg(p0, arg, ensure_kw=True)
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elif lenp == 7:
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p0['starargs'] = p[3]
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if p1 is not None:
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for arg in p1:
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self._set_arg(p0, arg)
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self._set_arg(p0, p[6], ensure_kw=True)
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elif lenp == 8:
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kwkey = 'keywords' if VER_MAJOR_MINOR >= VER_3_5 else 'kwargs'
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p0['starargs'], p4 = p[3], p[4]
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if p1 is not None:
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for arg in p1:
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self._set_arg(p0, arg)
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for arg in p4:
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self._set_arg(p0, arg, ensure_kw=True)
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self._set_arg(p0, p[7], ensure_kw=True)
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else:
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assert False
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p[0] = p0
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self._set_arg(p0, p[7], ensure_kw=True)
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else:
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assert False
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p[0] = p0
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def p_argument_comma(self, p):
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"""argument_comma : argument COMMA"""
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p[0] = [p[1]]
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if VER_MAJOR_MINOR <= VER_3_4:
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def p_argument_comma(self, p):
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"""argument_comma : argument COMMA"""
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p[0] = [p[1]]
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def p_comma_argument(self, p):
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"""comma_argument : COMMA argument """
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"""comma_argument : COMMA argument"""
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p[0] = [p[2]]
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@docstring_by_version(
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