Function visit_expr_stmt

python/tvm/relax/script/parser/parser.py:313–330

(self: Parser, node: doc.Expr)

@dispatch.register(token="relax", type_name="Expr")
def visit_expr_stmt(self: Parser, node: doc.Expr) -> None:
    value = self.eval_expr(node.value)
    if isinstance(value, relax.Expr):
        var = R.emit(value)
        IRBuilder.name("_", var)
        is_void_value = (
            isinstance(var.struct_info, relax.TupleStructInfo) and len(var.struct_info.fields) == 0
        )

        if not is_void_value:
            self.report_error(
                node,
                f"Non-void relax expressions must be bound to a variable, "
                f"but expression of type {var.struct_info} was used as a statement.",
            )

    elif value is not None:
        self.report_error(node, f"Unsupported Expr stmt type {value}.")


@dispatch.register(token="relax", type_name="arguments")