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inline: support kernel_attr_ro

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This commit is contained in:
Sebastien Bourdeauducq 2014-06-17 19:46:22 +02:00
parent 0d9bdc101c
commit d41ac863f4
1 changed files with 19 additions and 0 deletions
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19
artiq/compiler/inline.py
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@ -29,6 +29,11 @@ def _replace_global(obj, ref):
_UserVariable = namedtuple("_UserVariable", "name")
def _is_in_attr_list(obj, attr, al):
if not hasattr(obj, al):
return False
return attr in getattr(obj, al).split()
class _ReferenceManager:
def __init__(self):
# (id(obj), funcname, local) -> _UserVariable(name) / ast / constant_object
@ -83,6 +88,20 @@ class _ReferenceManager:
raise NotImplementedError("Cannot represent inlined value")
return a
if isinstance(ref, ast.Attribute) and isinstance(ref.value, ast.Name):
try:
value = self.to_inlined[(id(obj), funcname, ref.value.id)]
except KeyError:
pass
else:
if _is_in_attr_list(value, ref.attr, "kernel_attr_ro"):
if isinstance(ref.ctx, ast.Store):
raise TypeError("Attempted to assign to read-only kernel attribute")
a = _value_to_ast(getattr(value, ref.attr))
if a is None:
raise NotImplementedError("Cannot represent read-only kernel attribute")
return a
if not store:
repl = _replace_global(obj, ref)
if repl is not None: