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inline: support rw kernel attributes

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This commit is contained in:
Sebastien Bourdeauducq 2014-06-18 21:04:54 +02:00
parent 67e042852a
commit 5b0fd50dbe
1 changed files with 21 additions and 0 deletions
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21
artiq/compiler/inline.py
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@ -37,10 +37,12 @@ def _is_in_attr_list(obj, attr, al):
class _ReferenceManager:
def __init__(self):
# (id(obj), funcname, local) -> _UserVariable(name) / ast / constant_object
# local is None for kernel attributes
self.to_inlined = dict()
# inlined_name -> use_count
self.use_count = dict()
self.rpc_map = defaultdict(lambda: len(self.rpc_map))
self.kernel_attr_init = []
# reserved names
self.use_count["Quantity"] = 1
@ -101,6 +103,22 @@ class _ReferenceManager:
if a is None:
raise NotImplementedError("Cannot represent read-only kernel attribute")
return a
if _is_in_attr_list(value, ref.attr, "kernel_attr"):
key = (id(value), ref.attr, None)
try:
ival = self.to_inlined[key]
assert(isinstance(ival, _UserVariable))
iname = ival.name
except KeyError:
iname = self.new_name(ref.attr)
ival = _UserVariable(iname)
self.to_inlined[key] = _UserVariable(iname)
a = _value_to_ast(getattr(value, ref.attr))
if a is None:
raise NotImplementedError("Cannot represent initial value of kernel attribute")
self.kernel_attr_init.append(ast.Assign(
[ast.Name(iname, ast.Store())], a))
return ast.Name(iname, ref.ctx)
if not store:
repl = _replace_global(obj, ref)
@ -213,6 +231,7 @@ def _initialize_function_params(funcdef, k_args, k_kwargs, rm):
return param_init
def inline(core, k_function, k_args, k_kwargs, rm=None):
init_kernel_attr = rm is None
if rm is None:
rm = _ReferenceManager()
@ -226,5 +245,7 @@ def inline(core, k_function, k_args, k_kwargs, rm=None):
rr.visit(funcdef)
funcdef.body[0:0] = param_init
if init_kernel_attr:
funcdef.body[0:0] = rm.kernel_attr_init
return funcdef.body, rm.rpc_map