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Use ".k" instead of "k" for the finalizer continuation variable. 

The dot signifies that this is an internal variable and it
does not need to be tracked as if it was a user-defined one.
This commit is contained in:
whitequark 2015-07-19 10:30:42 +03:00
parent 8eedb3bc44
commit 4bd83fb43d
1 changed files with 8 additions and 8 deletions
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16
artiq/compiler/transforms/ir_generator.py
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@ -424,30 +424,30 @@ class IRGenerator(algorithm.Visitor):
if any(node.finalbody):
# k for continuation
final_state = self.append(ir.Alloc([], ir.TEnvironment({ "k": ir.TBasicBlock() })))
final_state = self.append(ir.Alloc([], ir.TEnvironment({ ".k": ir.TBasicBlock() })))
final_targets = []
if self.break_target is not None:
break_proxy = self.add_block("try.break")
old_break, self.break_target = self.break_target, break_proxy
break_proxy.append(ir.SetLocal(final_state, "k", old_break))
break_proxy.append(ir.SetLocal(final_state, ".k", old_break))
final_targets.append(old_break)
if self.continue_target is not None:
continue_proxy = self.add_block("try.continue")
old_continue, self.continue_target = self.continue_target, continue_proxy
continue_proxy.append(ir.SetLocal(final_state, "k", old_continue))
continue_proxy.append(ir.SetLocal(final_state, ".k", old_continue))
final_targets.append(old_continue)
return_proxy = self.add_block("try.return")
old_return, self.return_target = self.return_target, return_proxy
if old_return is not None:
return_proxy.append(ir.SetLocal(final_state, "k", old_return))
return_proxy.append(ir.SetLocal(final_state, ".k", old_return))
final_targets.append(old_return)
else:
return_action = self.add_block("try.doreturn")
value = return_action.append(ir.GetLocal(self.current_private_env, ".return"))
return_action.append(ir.Return(value))
return_proxy.append(ir.SetLocal(final_state, "k", return_action))
return_proxy.append(ir.SetLocal(final_state, ".k", return_action))
final_targets.append(return_action)
body = self.add_block("try.body")
@ -489,7 +489,7 @@ class IRGenerator(algorithm.Visitor):
self.visit(node.finalbody)
if not self.current_block.is_terminated():
dest = self.append(ir.GetLocal(final_state, "k"))
dest = self.append(ir.GetLocal(final_state, ".k"))
self.append(ir.IndirectBranch(dest, final_targets))
tail = self.add_block("try.tail")
@ -501,11 +501,11 @@ class IRGenerator(algorithm.Visitor):
return_proxy.append(ir.Branch(finalizer))
if not body.is_terminated():
if any(node.finalbody):
body.append(ir.SetLocal(final_state, "k", tail))
body.append(ir.SetLocal(final_state, ".k", tail))
body.append(ir.Branch(finalizer))
for handler in handlers:
if not handler.is_terminated():
handler.append(ir.SetLocal(final_state, "k", tail))
handler.append(ir.SetLocal(final_state, ".k", tail))
handler.append(ir.Branch(tail))
else:
body.append(ir.Branch(tail))