Python parser.st2tuple() Examples

The following are 6 code examples of parser.st2tuple(). You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may also want to check out all available functions/classes of the module parser , or try the search function .
Example #1
Source File: transformer.py    From ironpython2 with Apache License 2.0 5 votes vote down vote up 
def transform(self, tree):
        """Transform an AST into a modified parse tree."""
        if not (isinstance(tree, tuple) or isinstance(tree, list)):
            tree = parser.st2tuple(tree, line_info=1)
        return self.compile_node(tree)
Example #2
Source File: transformer.py    From BinderFilter with MIT License 5 votes vote down vote up 
def transform(self, tree):
        """Transform an AST into a modified parse tree."""
        if not (isinstance(tree, tuple) or isinstance(tree, list)):
            tree = parser.st2tuple(tree, line_info=1)
        return self.compile_node(tree)
Example #3
Source File: transformer.py    From oss-ftp with MIT License 5 votes vote down vote up 
def transform(self, tree):
        """Transform an AST into a modified parse tree."""
        if not (isinstance(tree, tuple) or isinstance(tree, list)):
            tree = parser.st2tuple(tree, line_info=1)
        return self.compile_node(tree)
Example #4
Source File: transformer.py    From Splunking-Crime with GNU Affero General Public License v3.0 5 votes vote down vote up 
def transform(self, tree):
        """Transform an AST into a modified parse tree."""
        if not (isinstance(tree, tuple) or isinstance(tree, list)):
            tree = parser.st2tuple(tree, line_info=1)
        return self.compile_node(tree)
Example #5
Source File: transformer.py    From PokemonGo-DesktopMap with MIT License 5 votes vote down vote up 
def transform(self, tree):
        """Transform an AST into a modified parse tree."""
        if not (isinstance(tree, tuple) or isinstance(tree, list)):
            tree = parser.st2tuple(tree, line_info=1)
        return self.compile_node(tree)
Example #6
Source File: test_parser.py    From ironpython2 with Apache License 2.0 4 votes vote down vote up 
def test_position(self):
        # An absolutely minimal test of position information.  Better
        # tests would be a big project.
        code = "def f(x):\n    return x + 1"
        st = parser.suite(code)

        def walk(tree):
            node_type = tree[0]
            next = tree[1]
            if isinstance(next, (tuple, list)):
                for elt in tree[1:]:
                    for x in walk(elt):
                        yield x
            else:
                yield tree

        expected = [
            (1, 'def', 1, 0),
            (1, 'f', 1, 4),
            (7, '(', 1, 5),
            (1, 'x', 1, 6),
            (8, ')', 1, 7),
            (11, ':', 1, 8),
            (4, '', 1, 9),
            (5, '', 2, -1),
            (1, 'return', 2, 4),
            (1, 'x', 2, 11),
            (14, '+', 2, 13),
            (2, '1', 2, 15),
            (4, '', 2, 16),
            (6, '', 2, -1),
            (4, '', 2, -1),
            (0, '', 2, -1),
        ]

        self.assertEqual(list(walk(st.totuple(line_info=True, col_info=True))),
                         expected)
        self.assertEqual(list(walk(st.totuple())),
                         [(t, n) for t, n, l, c in expected])
        self.assertEqual(list(walk(st.totuple(line_info=True))),
                         [(t, n, l) for t, n, l, c in expected])
        self.assertEqual(list(walk(st.totuple(col_info=True))),
                         [(t, n, c) for t, n, l, c in expected])
        self.assertEqual(list(walk(st.tolist(line_info=True, col_info=True))),
                         [list(x) for x in expected])
        self.assertEqual(list(walk(parser.st2tuple(st, line_info=True,
                                                   col_info=True))),
                         expected)
        self.assertEqual(list(walk(parser.st2list(st, line_info=True,
                                                  col_info=True))),
                         [list(x) for x in expected])


#
#  Second, we take *invalid* trees and make sure we get ParserError
#  rejections for them.
#