author | jjkang |
Fri, 11 Jun 2010 15:22:40 +0800 | |
changeset 2 | 9da1e5517a66 |
parent 0 | ae805ac0140d |
permissions | -rw-r--r-- |
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DP tools release version Revision: 200912
Deepak Modgil <Deepak.Modgil@Nokia.com>
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def flatten(tup): |
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elts = [] |
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for elt in tup: |
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if isinstance(elt, tuple): |
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elts = elts + flatten(elt) |
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else: |
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elts.append(elt) |
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return elts |
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class Set: |
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def __init__(self): |
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self.elts = {} |
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def __len__(self): |
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return len(self.elts) |
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def __contains__(self, elt): |
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return self.elts.has_key(elt) |
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def add(self, elt): |
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self.elts[elt] = elt |
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def elements(self): |
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return self.elts.keys() |
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def has_elt(self, elt): |
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return self.elts.has_key(elt) |
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def remove(self, elt): |
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del self.elts[elt] |
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def copy(self): |
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c = Set() |
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c.elts.update(self.elts) |
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return c |
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class Stack: |
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def __init__(self): |
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self.stack = [] |
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self.pop = self.stack.pop |
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def __len__(self): |
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return len(self.stack) |
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def push(self, elt): |
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self.stack.append(elt) |
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def top(self): |
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return self.stack[-1] |
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def __getitem__(self, index): # needed by visitContinue() |
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return self.stack[index] |
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MANGLE_LEN = 256 # magic constant from compile.c |
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def mangle(name, klass): |
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if not name.startswith('__'): |
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return name |
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if len(name) + 2 >= MANGLE_LEN: |
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return name |
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if name.endswith('__'): |
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return name |
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try: |
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i = 0 |
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while klass[i] == '_': |
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i = i + 1 |
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except IndexError: |
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return name |
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klass = klass[i:] |
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tlen = len(klass) + len(name) |
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if tlen > MANGLE_LEN: |
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klass = klass[:MANGLE_LEN-tlen] |
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return "_%s%s" % (klass, name) |
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|
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def set_filename(filename, tree): |
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"""Set the filename attribute to filename on every node in tree""" |
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worklist = [tree] |
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while worklist: |
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node = worklist.pop(0) |
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node.filename = filename |
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worklist.extend(node.getChildNodes()) |