def DirFun(unit: ir.Unit, operands: List):
name, kind, output_types, input_types = operands
if len(input_types) > o.MAX_PARAMETERS or len(
output_types) > o.MAX_PARAMETERS:
raise ParseError(f"parameter list too long {name}")
fun = unit.GetFun(name)
if fun is None:
fun = ir.Fun(name, kind, output_types, input_types)
unit.AddFun(fun)
elif fun.forward_declared:
unit.InitForwardDeclaredFun(fun, kind, output_types, input_types)
else:
raise ParseError(f"duplicate Fun {name}")
def DirFun(unit: ir.Unit, operands: List):
name, kind, output_types, input_types = operands
if len(input_types) > o.MAX_PARAMETERS or len(
output_types) > o.MAX_PARAMETERS:
raise ParseError(f"parameter list too long {name}")
fun = unit.GetFun(name)
if fun is None:
fun = ir.Fun(name, kind, output_types, input_types)
unit.AddFun(fun)
elif fun.kind is o.FUN_KIND.INVALID: # forward_declared
unit.InitForwardDeclaredFun(fun, kind, output_types, input_types)
elif fun.kind is o.FUN_KIND.EXTERN or kind is o.FUN_KIND.EXTERN:
assert output_types == fun.output_types
assert input_types == fun.input_types
if kind is o.FUN_KIND.EXTERN:
# we already have a proper function
return
# definition of a formerly extern functions
fun.kind = kind
# move fun to make it current
unit.funs.remove(fun)
unit.funs.append(fun)
else:
raise ParseError(f"duplicate Fun {name}")