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

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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): if any(node.finalbody):
# k for continuation # 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 = [] final_targets = []
if self.break_target is not None: if self.break_target is not None:
break_proxy = self.add_block("try.break") break_proxy = self.add_block("try.break")
old_break, self.break_target = self.break_target, break_proxy 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) final_targets.append(old_break)
if self.continue_target is not None: if self.continue_target is not None:
continue_proxy = self.add_block("try.continue") continue_proxy = self.add_block("try.continue")
old_continue, self.continue_target = self.continue_target, continue_proxy 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) final_targets.append(old_continue)
return_proxy = self.add_block("try.return") return_proxy = self.add_block("try.return")
old_return, self.return_target = self.return_target, return_proxy old_return, self.return_target = self.return_target, return_proxy
if old_return is not None: 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) final_targets.append(old_return)
else: else:
return_action = self.add_block("try.doreturn") return_action = self.add_block("try.doreturn")
value = return_action.append(ir.GetLocal(self.current_private_env, ".return")) value = return_action.append(ir.GetLocal(self.current_private_env, ".return"))
return_action.append(ir.Return(value)) 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) final_targets.append(return_action)
body = self.add_block("try.body") body = self.add_block("try.body")
@ -489,7 +489,7 @@ class IRGenerator(algorithm.Visitor):
self.visit(node.finalbody) self.visit(node.finalbody)
if not self.current_block.is_terminated(): 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)) self.append(ir.IndirectBranch(dest, final_targets))
tail = self.add_block("try.tail") tail = self.add_block("try.tail")
@ -501,11 +501,11 @@ class IRGenerator(algorithm.Visitor):
return_proxy.append(ir.Branch(finalizer)) return_proxy.append(ir.Branch(finalizer))
if not body.is_terminated(): if not body.is_terminated():
if any(node.finalbody): 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)) body.append(ir.Branch(finalizer))
for handler in handlers: for handler in handlers:
if not handler.is_terminated(): 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)) handler.append(ir.Branch(tail))
else: else:
body.append(ir.Branch(tail)) body.append(ir.Branch(tail))