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idautils.py: Many functions converted to generators

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This commit is contained in:
gergely.erdelyi 2009-04-27 18:05:14 +00:00
parent 864165a44c
commit 769e9d70f4
1 changed files with 11 additions and 61 deletions
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70
python/idautils.py
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@ -18,23 +18,11 @@ def refs(ea, funcfirst, funcnext):
""" """
Generic reference collector - INTERNAL USE ONLY. Generic reference collector - INTERNAL USE ONLY.
""" """
reflist = []
ref = funcfirst(ea) ref = funcfirst(ea)
while ref != idaapi.BADADDR:
if ref != idaapi.BADADDR: yield ref
reflist.append(ref)
while 1:
ref = funcnext(ea, ref) ref = funcnext(ea, ref)
if ref == idaapi.BADADDR:
break
else:
reflist.append(ref)
return reflist
def CodeRefsTo(ea, flow): def CodeRefsTo(ea, flow):
""" """
@ -192,21 +180,11 @@ def Heads(start, end):
@return: list of heads between start and end @return: list of heads between start and end
""" """
headlist = []
headlist.append(start)
ea = start ea = start
while ea != idaapi.BADADDR:
while 1: yield ea
ea = idaapi.next_head(ea, end) ea = idaapi.next_head(ea, end)
if ea == idaapi.BADADDR:
break
else:
headlist.append(ea)
return headlist
def Functions(start, end): def Functions(start, end):
""" """
@ -220,26 +198,10 @@ def Functions(start, end):
@note: The last function that starts before 'end' is included even @note: The last function that starts before 'end' is included even
if it extends beyond 'end'. if it extends beyond 'end'.
""" """
funclist = []
func = idaapi.get_func(start) func = idaapi.get_func(start)
while func and func.startEA < end:
if func: yield func.startEA
funclist.append(func.startEA) func = idaapi.get_next_func(func.startEA)
ea = start
while 1:
func = idaapi.get_next_func(ea)
if not func: break
if func.startEA < end:
funclist.append(func.startEA)
ea = func.startEA
else:
break
return funclist
def Chunks(start): def Chunks(start):
@ -251,18 +213,13 @@ def Chunks(start):
@return: list of funcion chunks (tuples of the form (start_ea, end_ea)) @return: list of funcion chunks (tuples of the form (start_ea, end_ea))
belonging to the function belonging to the function
""" """
function_chunks = []
func_iter = idaapi.func_tail_iterator_t( idaapi.get_func( start ) ) func_iter = idaapi.func_tail_iterator_t( idaapi.get_func( start ) )
status = func_iter.main() status = func_iter.main()
while status: while status:
chunk = func_iter.chunk() chunk = func_iter.chunk()
function_chunks.append((chunk.startEA, chunk.endEA)) yield (chunk.startEA, chunk.endEA)
status = func_iter.next() status = func_iter.next()
return function_chunks
def Segments(): def Segments():
""" """
@ -270,17 +227,10 @@ def Segments():
@return: List of segment start addresses. @return: List of segment start addresses.
""" """
seglist = []
for n in range(idaapi.get_segm_qty()): for n in range(idaapi.get_segm_qty()):
seg = idaapi.getnseg(n) seg = idaapi.getnseg(n)
if seg:
if not seg: yield seg.startEA
break
else:
seglist.append(seg.startEA)
return seglist
def GetDataList(ea, count, itemsize=1): def GetDataList(ea, count, itemsize=1):