Hopper Swift demangler

Demangle Swift.py

import subprocess

def looksLikeBeginning(doc,seg,adr):
	if doc.is64Bits() and seg.readByte(adr) == 0x55 and seg.readByte(adr + 1) == 0x48 and seg.readByte(adr + 2) == 0x89 and seg.readByte(adr + 3) == 0xE5:
		return True
	if not doc.is64Bits() and seg.readByte(adr) == 0x55 and seg.readByte(adr + 1) == 0x89 and seg.readByte(adr + 2) == 0xE5:
		return True
	return False

doc = Document.getCurrentDocument()
seg = doc.getCurrentSegment()
adr = doc.getCurrentAddress()
str = seg.getStartingAddress()

while adr > str:
	if looksLikeBeginning(doc,seg,adr):
		addr = adr
		break
	adr = adr - 1

sym = doc.getNameAtAddress(addr)

proc = subprocess.Popen(['xcrun','swift-demangle',sym],stdout=subprocess.PIPE,stderr=subprocess.PIPE)
output, errors = proc.communicate()
if errors is not None:
	doc.log(errors)
if output is not None:
	func = output.split('>', 1)[1]
	func = func.strip()
if func is not None:
	doc.setNameAtAddress(addr,func)