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compiler/inline: handle function params and builtin calls

This commit is contained in:
Sebastien Bourdeauducq 2014-06-16 21:52:38 +02:00
parent f035507bac
commit c021b2ef41
1 changed files with 50 additions and 10 deletions

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@ -1,5 +1,5 @@
from collections import namedtuple
import inspect, textwrap, ast
from collections import namedtuple, defaultdict
import inspect, textwrap, ast, builtins
from artiq.compiler import unparse
from artiq.compiler.tools import eval_ast
@ -44,6 +44,8 @@ class _ReferenceManager:
self.use_count["base_Hz_unit"] = 1
for kg in experiment.kernel_globals:
self.use_count[kg] = 1
for bi in dir(builtins):
self.use_count[bi] = 1
def new_name(self, base_name):
if base_name[-1].isdigit():
@ -91,11 +93,19 @@ class _ReferenceManager:
def set(self, obj, funcname, name, value):
self.to_inlined[(id(obj), funcname, name)] = value
def get_constants(self, r_obj, r_funcname):
return {local: v for (objid, funcname, local), v
in self.to_inlined.items()
if objid == id(r_obj)
and funcname == r_funcname
and not isinstance(v, _UserVariable)}
class _ReferenceReplacer(ast.NodeTransformer):
def __init__(self, rm, obj, funcname):
self.rm = rm
self.obj = obj
self.funcname = funcname
self.module = inspect.getmodule(self.obj)
def visit_ref(self, node):
return self.rm.get(self.obj, self.funcname, node)
@ -104,11 +114,29 @@ class _ReferenceReplacer(ast.NodeTransformer):
visit_Attribute = visit_ref
visit_Subscript = visit_ref
def visit_Call(self, node):
calldict = self.rm.get_constants(self.obj, self.funcname)
calldict.update(self.module.__dict__)
func = eval_ast(node.func, calldict)
if inspect.getmodule(func) is builtins:
new_func = ast.Name(func.__name__, ast.Load())
new_args = [self.visit(arg) for arg in node.args]
return ast.Call(func=new_func, args=new_args,
keywords=[], starargs=None, kwargs=None)
elif hasattr(func, "k_function_info"):
print(func.k_function_info)
# TODO: inline called kernel
self.generic_visit(node)
return node
class _ListReadOnlyParams(ast.NodeVisitor):
def visit_FunctionDef(self, node):
if hasattr(self, "read_only_params"):
raise ValueError("More than one function definition")
self.read_only_params = {arg.arg for arg in node.args.args}
self.generic_visit(node)
def visit_Name(self, node):
if isinstance(node.ctx, ast.Store):
@ -122,23 +150,35 @@ def _list_read_only_params(funcdef):
lrp.visit(funcdef)
return lrp.read_only_params
def inline(k_function, k_args, k_kwargs, rm=None):
if rm is None:
rm = _ReferenceManager()
funcdef = ast.parse(textwrap.dedent(inspect.getsource(k_function))).body[0]
def _initialize_function_params(funcdef, k_args, k_kwargs, rm):
obj = k_args[0]
funcname = funcdef.name
param_init = []
rop = _list_read_only_params(funcdef)
for arg_ast, arg_value in zip(funcdef.args.args, k_args):
arg_name = arg_ast.arg
if arg_name in rop:
rm.set(obj, funcname, arg_name, arg_value)
else:
target = rm.get(obj, funcname, ast.Name(arg_name, ast.Store()))
value = _value_to_ast(arg_value)
param_init.append(ast.Assign(targets=[target], value=value))
return param_init
def inline(k_function, k_args, k_kwargs, rm=None):
if rm is None:
rm = _ReferenceManager()
funcdef = ast.parse(textwrap.dedent(inspect.getsource(k_function))).body[0]
param_init = _initialize_function_params(funcdef, k_args, k_kwargs, rm)
obj = k_args[0]
funcname = funcdef.name
rr = _ReferenceReplacer(rm, obj, funcname)
for stmt in funcdef.body:
rr.visit(stmt)
print(ast.dump(funcdef))
unparse.Unparser(funcdef)
funcdef.body[0:0] = param_init
unparse.Unparser(funcdef.body)