[Python-checkins] CVS: python/dist/src/Tools/compiler/compiler pycodegen.py,1.42,1.43
Jeremy Hylton
jhylton@users.sourceforge.net
2001年8月28日 09:35:20 -0700
Update of /cvsroot/python/python/dist/src/Tools/compiler/compiler
In directory usw-pr-cvs1:/tmp/cvs-serv16049
Modified Files:
pycodegen.py
Log Message:
Generate FOR_ITER-based loops instead of old FOR_LOOP-based loops
Index: pycodegen.py
===================================================================
RCS file: /cvsroot/python/python/dist/src/Tools/compiler/compiler/pycodegen.py,v
retrieving revision 1.42
retrieving revision 1.43
diff -C2 -d -r1.42 -r1.43
*** pycodegen.py 2001年08月27日 22:56:16 1.42
--- pycodegen.py 2001年08月28日 16:35:18 1.43
***************
*** 356,364 ****
self.emit('SETUP_LOOP', after)
self.visit(node.list)
! self.visit(ast.Const(0))
self.nextBlock(start)
self.set_lineno(node, force=1)
! self.emit('FOR_LOOP', anchor)
! self.nextBlock()
self.visit(node.assign)
self.visit(node.body)
--- 356,364 ----
self.emit('SETUP_LOOP', after)
self.visit(node.list)
! self.emit('GET_ITER')
!
self.nextBlock(start)
self.set_lineno(node, force=1)
! self.emit('FOR_ITER', anchor)
self.visit(node.assign)
self.visit(node.body)
***************
*** 568,572 ****
else:
self.nextBlock()
! self.emit('POP_TOP')
self.emit('END_FINALLY')
if node.else_:
--- 568,573 ----
else:
self.nextBlock()
! if expr: # XXX
! self.emit('POP_TOP')
self.emit('END_FINALLY')
if node.else_:
***************
*** 1002,1006 ****
self.emit(prefix + '_FAST', name)
elif scope == SC_GLOBAL:
! self.emit(prefix + '_GLOBAL', name)
elif scope == SC_FREE or scope == SC_CELL:
self.emit(prefix + '_DEREF', name)
--- 1003,1010 ----
self.emit(prefix + '_FAST', name)
elif scope == SC_GLOBAL:
! if not self.optimized:
! self.emit(prefix + '_NAME', name)
! else:
! self.emit(prefix + '_GLOBAL', name)
elif scope == SC_FREE or scope == SC_CELL:
self.emit(prefix + '_DEREF', name)