def convert(expr, context):
if len(expr.args) != 2:
raise StructureException(
"The convert function expects two parameters.", expr)
arg_ast = expr.args[0]
arg = Expr(arg_ast, context).ir_node
out_typ = context.parse_type(expr.args[1])
if isinstance(arg.typ, BaseType):
arg = unwrap_location(arg)
with arg.cache_when_complex("arg") as (b, arg):
if is_base_type(out_typ, "bool"):
ret = to_bool(arg_ast, arg, out_typ)
elif is_base_type(out_typ, "address"):
ret = to_address(arg_ast, arg, out_typ)
elif is_integer_type(out_typ):
ret = to_int(arg_ast, arg, out_typ)
elif is_bytes_m_type(out_typ):
ret = to_bytes_m(arg_ast, arg, out_typ)
elif is_decimal_type(out_typ):
ret = to_decimal(arg_ast, arg, out_typ)
elif isinstance(out_typ, ByteArrayType):
ret = to_bytes(arg_ast, arg, out_typ)
elif isinstance(out_typ, StringType):
ret = to_string(arg_ast, arg, out_typ)
else:
raise StructureException(f"Conversion to {out_typ} is invalid.",
arg_ast)
ret = b.resolve(ret)
return IRnode.from_list(ret)
def convert(expr, context):
if len(expr.args) != 2:
raise StructureException(
"The convert function expects two parameters.", expr)
arg_ast = expr.args[0]
arg = Expr(arg_ast, context).ir_node
original_arg = arg
out_typ = context.parse_type(expr.args[1])
if isinstance(arg.typ, BaseType):
arg = unwrap_location(arg)
with arg.cache_when_complex("arg") as (b, arg):
if is_base_type(out_typ, "bool"):
ret = to_bool(arg_ast, arg, out_typ)
elif is_base_type(out_typ, "address"):
ret = to_address(arg_ast, arg, out_typ)
elif isinstance(out_typ, EnumType):
ret = to_enum(arg_ast, arg, out_typ)
elif is_integer_type(out_typ):
ret = to_int(arg_ast, arg, out_typ)
elif is_bytes_m_type(out_typ):
ret = to_bytes_m(arg_ast, arg, out_typ)
elif is_decimal_type(out_typ):
ret = to_decimal(arg_ast, arg, out_typ)
elif isinstance(out_typ, ByteArrayType):
ret = to_bytes(arg_ast, arg, out_typ)
elif isinstance(out_typ, StringType):
ret = to_string(arg_ast, arg, out_typ)
else:
raise StructureException(f"Conversion to {out_typ} is invalid.",
arg_ast)
# test if arg actually changed. if not, we do not need to use
# unwrap_location (this can reduce memory traffic for downstream
# operations which are in-place, like the returndata routine)
test_arg = IRnode.from_list(arg, typ=out_typ)
if test_arg == ret:
original_arg.typ = out_typ
return original_arg
return IRnode.from_list(b.resolve(ret))