def gen_check_function(checker_env, identifier, atom):
marking_type = checker_env.marking_type
variable_provider = VariableProvider()
checker_env.push_cvar_env()
checker_env.push_variable_provider(variable_provider)
builder = cyast.Builder()
marking_var = variable_provider.new_variable(
variable_type=marking_type.type)
function_name = "check_{}".format(identifier)
builder.begin_FunctionCDef(name=function_name,
args=cyast.A(marking_var.name,
type=checker_env.type2str(
marking_var.type)),
returns=cyast.Name("int"),
decl=[],
public=False,
api=False)
formula = atom.formula
builder.emit(
cyast.Return(gen_check_expression(checker_env, marking_var, formula)))
builder.end_FunctionDef()
tree = cyast.to_ast(builder)
tree = flatten_ast(tree)
checker_env.register_check_function(function_name,
FunctionWrapper(function_name, tree))
return tree
def compile_IsFireable(self, node):
self.env.push_cvar_env()
self.env.push_variable_provider(node.variable_provider)
self.var_helper = node.transition_info.variable_helper
stmts = [self.compile(node.body)]
decl = netir.CVarSet()
input_arcs = node.transition_info.input_arcs
for input_arc in input_arcs:
decl.extend(self.try_gen_type_decl(input_arc))
inter_vars = node.transition_info.intermediary_variables
for var in inter_vars:
if (not var.type.is_UserType) or self.env.is_cython_type(var.type):
decl.add(
cyast.CVar(name=var.name,
type=self.env.type2str(var.type)))
additionnal_decls = self.env.pop_cvar_env()
for var in additionnal_decls:
decl.add(var)
result = cyast.to_ast(
cyast.Builder.FunctionDef(name=node.function_name,
args=(cyast.A(
node.arg_marking_var.name,
type=self.env.type2str(
node.arg_marking_var.type))),
body=stmts,
lang=cyast.CDef(public=False),
returns=cyast.Name("int"),
decl=decl))
return result
def succ_function_args(self, node):
return (cyast.A(
node.arg_marking_var.name,
type=self.env.type2str(node.arg_marking_var.type)).param(
node.arg_marking_acc_var.name,
type=self.env.type2str(node.arg_marking_acc_var.type)).param(
node.arg_ctx_var.name,
type=self.env.type2str(node.arg_ctx_var.type)))
def gen_main_check_function(checker_env, id_prop_map):
function_name = "neco_check"
builder = cyast.Builder()
variable_provider = VariableProvider()
checker_env.push_cvar_env()
checker_env.push_variable_provider(variable_provider)
marking_var = variable_provider.new_variable(
variable_type=checker_env.marking_type.type)
atom_var = variable_provider.new_variable(
variable_type=TypeInfo.get('Int'))
builder.begin_FunctionCDef(
name=function_name,
args=(cyast.A(marking_var.name,
type=checker_env.type2str(marking_var.type)).param(
atom_var.name,
type=checker_env.type2str(TypeInfo.get('Int')))),
returns=cyast.Name("int"),
decl=[],
public=True,
api=True)
for (i, (ident, _)) in enumerate(id_prop_map.iteritems()):
if i == 0:
builder.begin_If(
test=cyast.Compare(left=cyast.Name(atom_var.name),
ops=[cyast.Eq()],
comparators=[cyast.Num(ident)]))
else:
builder.begin_Elif(
test=cyast.Compare(left=cyast.Name(atom_var.name),
ops=[cyast.Eq()],
comparators=[cyast.Num(ident)]))
builder.emit_Return(
checker_env.get_check_function("check_{}".format(ident)).call(
[cyast.Name(marking_var.name)]))
for _ in id_prop_map:
builder.end_If()
builder.emit(
cyast.Print(dest=cyast.E('sys.stderr'),
values=[
cyast.Str(s='!W! invalid proposition identifier'),
cyast.Name(atom_var.name)
],
nl=True))
builder.emit_Return(cyast.Num(n=0))
builder.end_FunctionDef()
tree = cyast.to_ast(builder)
checker_env.register_check_function(function_name,
FunctionWrapper(function_name, tree))
return tree
def compile_Succs(self, node):
body = []
body.extend(self.compile(node.body))
body.append(cyast.E("return " + node.arg_marking_acc_var.name))
f1 = cyast.Builder.FunctionCpDef(
name=node.function_name,
args=self.main_succ_function_args(node),
body=body,
lang=cyast.CpDef(public=True),
returns=cyast.Name("set"),
decl=[
cyast.CVar(name=node.arg_marking_acc_var.name,
type=self.env.type2str(
node.arg_marking_acc_var.type),
init=self.env.marking_set_type.new_marking_set_expr(
self.env))
])
body = [cyast.E("l = ctypes_ext.neco_list_new()")]
body.append(
cyast.For(
target=cyast.to_ast(cyast.E("e")),
iter=cyast.to_ast(cyast.E("succs(m, ctx)")),
body=[
cyast.to_ast(
cyast.stmt(cyast.E("ctypes_ext.__Pyx_INCREF(e)"))),
cyast.Expr(
cyast.Call(
func=cyast.to_ast(
cyast.E("ctypes_ext.neco_list_push_front")),
args=[cyast.to_ast(cyast.E("l")),
cyast.Name("e")],
keywords=[],
starargs=None,
kwargs=None))
]))
body.append(cyast.E("return l"))
f2 = cyast.Builder.FunctionCDef(
name="neco_succs",
args=(cyast.A(
"m", type=self.env.type2str(node.arg_marking_var.type)).param(
"ctx", type=self.env.type2str(node.arg_ctx_var.type))),
body=body,
returns=cyast.Name("ctypes_ext.neco_list_t*"),
decl=[
cyast.CVar(name="l", type="ctypes_ext.neco_list_t*"),
cyast.CVar(name="e", type="Marking")
])
return [f1]
def gen_All_function(checker_env, function_name, place_name,
arg_function_name):
marking_type = checker_env.marking_type
variable_provider = VariableProvider()
checker_env.push_cvar_env()
checker_env.push_variable_provider(variable_provider)
builder = cyast.Builder()
marking_var = variable_provider.new_variable(
variable_type=marking_type.type)
place_type = marking_type.get_place_type_by_name(place_name)
token_var = variable_provider.new_variable(
variable_type=place_type.token_type)
# check_var = variable_provider.new_variable(variable_type=TypeInfo.Int)
builder.begin_FunctionCDef(name=function_name,
args=(cyast.A(marking_var.name,
type=checker_env.type2str(
marking_var.type))),
returns=cyast.Name("int"),
decl=[],
public=False,
api=False)
main_body = []
loop_var = variable_provider.new_variable(
variable_type=place_type.token_type)
inner_body = cyast.If(
cyast.UnaryOp(
cyast.Not(),
cyast.Name(arg_function_name + '(' + loop_var.name + ')')),
[cyast.Return(cyast.Num(0))])
node = place_type.enumerate_tokens(checker_env,
loop_var,
marking_var,
body=inner_body)
main_body.append(node)
main_body.append(cyast.Return(value=cyast.Num(1)))
for stmt in main_body:
builder.emit(stmt)
builder.end_FunctionDef()
return cyast.to_ast(builder)
def generate_pxd(self, env):
cls = cyast.Builder.PublicClassCDef(name="Marking",
bases=[cyast.E("object")],
spec=cyast.type_name_spec(
o="Marking", t="MarkingType"))
################################################################################
# attributes
################################################################################
if self.chunk_manager.packed_bits() > 0:
(attr_name, attr_type,
count) = self.chunk_manager.packed_attribute()
cls.add_decl(
cyast.CVar(attr_name + '[' + str(count) + ']',
type=env.type2str(attr_type)))
for chunk in self.chunk_manager.normal_chunks:
attr_name = chunk.get_attribute_name()
attr_type = chunk.get_cython_type()
cls.add_decl(
cyast.CVar(name=attr_name, type=env.type2str(attr_type)))
# place = chunk_place_map[attr_name]
cls.add_decl(cyast.Comment("{}".format(chunk.hint)))
cls.add_method(
cyast.FunctionDecl(name='copy',
args=cyast.to_ast(
cyast.A("self",
cyast.Name(env.type2str(
self.type)))),
returns=cyast.Name(env.type2str(self.type)),
lang=cyast.CDef()))
return cyast.to_ast(cls)
