Synopsis - Cross-Reference

 1#
 2# Copyright (C) 2006 Stefan Seefeld
 3# All rights reserved.
 4# Licensed to the public under the terms of the GNU LGPL (>= 2),
 5# see the file COPYING for details.
 6#
 7
 8from Synopsis.Processor import Processor, Parameter
 9from Synopsis import ASG
10
11class ModuleSorter(Processor, ASG.Visitor):
12    """A processor that sorts declarations in a module alphabetically."""
13
14    def process(self, ir, **kwds):
15
16        self.set_parameters(kwds)
17        self.ir = self.merge_input(ir)
18
19        self.__scopestack = []
20        self.__currscope = []
21
22        for decl in self.ir.asg.declarations:
23            decl.accept(self)
24
25        return self.output_and_return_ir()
26
27
28    def visit_meta_module(self, module):
29        """Visits all children of the module, and if there are no declarations
30        after that removes the module"""
31
32        def compare(a, b): return cmp(a.name, b.name)
33        module.declarations.sort(compare)
34

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