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How to use last_line_of_tree method in autotest

Best Python code snippet using autotest_python

coverage.py

Source:coverage.py

...540            if len(tree) == 3 and type(tree[2]) == type(1):541                return tree[2]542            tree = tree[1]543    544    def last_line_of_tree(self, tree):545        while True:546            if len(tree) == 3 and type(tree[2]) == type(1):547                return tree[2]548            tree = tree[-1]549    550    def find_docstring_pass_pair(self, tree, spots):551        for i in range(1, len(tree)):552            if self.is_string_constant(tree[i]) and self.is_pass_stmt(tree[i+1]):553                first_line = self.first_line_of_tree(tree[i])554                last_line = self.last_line_of_tree(tree[i+1])555                self.record_multiline(spots, first_line, last_line)556        557    def is_string_constant(self, tree):558        try:559            return tree[0] == symbol.stmt and tree[1][1][1][0] == symbol.expr_stmt560        except:561            return False562        563    def is_pass_stmt(self, tree):564        try:565            return tree[0] == symbol.stmt and tree[1][1][1][0] == symbol.pass_stmt566        except:567            return False568    def record_multiline(self, spots, i, j):569        for l in range(i, j+1):570            spots[l] = (i, j)571            572    def get_suite_spots(self, tree, spots):573        """ Analyze a parse tree to find suite introducers which span a number574            of lines.575        """576        for i in range(1, len(tree)):577            if type(tree[i]) == type(()):578                if tree[i][0] == symbol.suite:579                    # Found a suite, look back for the colon and keyword.580                    lineno_colon = lineno_word = None581                    for j in range(i-1, 0, -1):582                        if tree[j][0] == token.COLON:583                            # Colons are never executed themselves: we want the584                            # line number of the last token before the colon.585                            lineno_colon = self.last_line_of_tree(tree[j-1])586                        elif tree[j][0] == token.NAME:587                            if tree[j][1] == 'elif':588                                # Find the line number of the first non-terminal589                                # after the keyword.590                                t = tree[j+1]591                                while t and token.ISNONTERMINAL(t[0]):592                                    t = t[1]593                                if t:594                                    lineno_word = t[2]595                            else:596                                lineno_word = tree[j][2]597                            break598                        elif tree[j][0] == symbol.except_clause:599                            # "except" clauses look like:600                            # ('except_clause', ('NAME', 'except', lineno), ...)601                            if tree[j][1][0] == token.NAME:602                                lineno_word = tree[j][1][2]603                                break604                    if lineno_colon and lineno_word:605                        # Found colon and keyword, mark all the lines606                        # between the two with the two line numbers.607                        self.record_multiline(spots, lineno_word, lineno_colon)608                    # "pass" statements are tricky: different versions of Python609                    # treat them differently, especially in the common case of a610                    # function with a doc string and a single pass statement.611                    self.find_docstring_pass_pair(tree[i], spots)612                    613                elif tree[i][0] == symbol.simple_stmt:614                    first_line = self.first_line_of_tree(tree[i])615                    last_line = self.last_line_of_tree(tree[i])616                    if first_line != last_line:617                        self.record_multiline(spots, first_line, last_line)618                self.get_suite_spots(tree[i], spots)619    def find_executable_statements(self, text, exclude=None):620        # Find lines which match an exclusion pattern.621        excluded = {}622        suite_spots = {}623        if exclude:624            reExclude = re.compile(exclude)625            lines = text.split('\n')626            for i in range(len(lines)):627                if reExclude.search(lines[i]):628                    excluded[i+1] = 1629        # Parse the code and analyze the parse tree to find out which statements...

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