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#!/usr/bin/env python
import tree, mapper
def search(node, found, level=0, prefix="$", register=False, debug=False):
if node.type == "function":
if register:
name = node.get("name", False)
if name != None and not name in found:
# print "Name: %s" % funcName
found.append(name)
foundLen = len(found)
register = True
if debug:
print "\n%s<scope line='%s'>" % ((" " * level), node.get("line"))
# e.g. func(name1, name2);
elif register and node.type == "variable" and node.hasChildren() and len(node.children) == 1:
if node.parent.type == "params" and node.parent.parent.type != "call":
first = node.getFirstChild()
if first.type == "identifier":
name = first.get("name")
if not name in found:
found.append(name)
# e.g. var name1, name2 = "foo";
elif register and node.type == "definition":
name = node.get("identifier", False)
if name != None:
if not name in found:
found.append(name)
# Iterate over children
if node.hasChildren():
if node.type == "function":
for child in node.children:
search(child, found, level+1, prefix, register, debug)
else:
for child in node.children:
search(child, found, level, prefix, register, debug)
# Function closed
if node.type == "function":
# Debug
if debug:
for item in found:
print " %s<item>%s</item>" % ((" " * level), item)
print "%s</scope>" % (" " * level)
# Iterate over content
# Replace variables in current scope
update(node, found, prefix, debug)
del found[foundLen:]
def update(node, found, prefix="$", debug=False):
# Handle all identifiers
if node.type == "identifier":
isFirstChild = False
isVariableMember = False
if node.parent.type == "variable":
isVariableMember = True
varParent = node.parent.parent
if not (varParent.type == "right" and varParent.parent.type == "accessor"):
isFirstChild = node.parent.getFirstChild(True, True) == node
elif node.parent.type == "identifier" and node.parent.parent.type == "accessor":
isVariableMember = True
accessor = node.parent.parent
isFirstChild = accessor.parent.getFirstChild(True, True) == accessor
# inside a variable parent only respect the first member
if not isVariableMember or isFirstChild:
idenName = node.get("name", False)
if idenName != None and idenName in found:
replName = "%s%s" % (prefix, mapper.convert(found.index(idenName)))
node.set("name", replName)
if debug:
print " - Replaced '%s' with '%s'" % (idenName, replName)
# Handle variable definition
elif node.type == "definition":
idenName = node.get("identifier", False)
if idenName != None and idenName in found:
replName = "%s%s" % (prefix, mapper.convert(found.index(idenName)))
node.set("identifier", replName)
if debug:
print " - Replaced '%s' with '%s'" % (idenName, replName)
# Handle function definition
elif node.type == "function":
idenName = node.get("name", False)
if idenName != None and idenName in found:
replName = "%s%s" % (prefix, mapper.convert(found.index(idenName)))
node.set("name", replName)
if debug:
print " - Replaced '%s' with '%s'" % (idenName, replName)
# Iterate over children
if node.hasChildren():
for child in node.children:
update(child, found, prefix, debug)
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