10 import symbol
18     """Retrieve information from the parse tree of a source file.
33     def __init__(self, tree = None):  argument
36         if tree:
37             self._extract_info(tree)
39     def _extract_info(self, tree):  argument
41         if len(tree) == 2:
42             found, vars = match(DOCSTRING_STMT_PATTERN[1], tree[1])
44             found, vars = match(DOCSTRING_STMT_PATTERN, tree[3])
48         for node in tree[1:]:
52                 if cstmt[0] == symbol.funcdef:
55                 elif cstmt[0] == symbol.classdef:
89     def __init__(self, tree = None):  argument
90         self._name = tree[2][1]
91         SuiteInfoBase.__init__(self, tree and tree[-1] or None)
95     def __init__(self, tree = None):  argument
96         self._name = tree[2][1]
97         SuiteInfoBase.__init__(self, tree and tree[-1] or None)
107     def __init__(self, tree = None, name = "<string>"):  argument
109         SuiteInfoBase.__init__(self, tree)
110         if tree:
111             found, vars = match(DOCSTRING_STMT_PATTERN, tree[1])
159     symbol.stmt,
160     (symbol.compound_stmt, ['compound'])
169     symbol.stmt,
170     (symbol.simple_stmt,
171      (symbol.small_stmt,
172       (symbol.expr_stmt,
173        (symbol.testlist,
174         (symbol.test,
175          (symbol.and_test,
176           (symbol.not_test,
177            (symbol.comparison,
178             (symbol.expr,
179              (symbol.xor_expr,
180               (symbol.and_expr,
181                (symbol.shift_expr,
182                 (symbol.arith_expr,
183                  (symbol.term,
184                   (symbol.factor,
185                    (symbol.power,
186                     (symbol.atom,