| """An indirection layer for referencing flags whether they are native or defined in Starlark.""" |
| |
| load("@bazel_skylib//rules:common_settings.bzl", "BuildSettingInfo") |
| |
| visibility([ |
| "//bazel/flags", |
| "//bazel/private/...", |
| "//third_party/grpc/bazel", |
| ]) |
| |
| def get_flag_value(ctx, flag_name): |
| """Returns the value of the given flag attribute from rule context. |
| |
| Args: |
| ctx: The rule context. |
| flag_name: The name of the flag to get the value for. |
| |
| Returns: |
| The value of the flag. If the value is a list, returns a mutable copy. |
| """ |
| attr_val = getattr(ctx.attr, "_" + flag_name) |
| if BuildSettingInfo in attr_val: |
| val = attr_val[BuildSettingInfo].value |
| if type(val) == "list": |
| return list(val) |
| return val |
| if type(attr_val) == "list": |
| return list(attr_val) |
| return attr_val |
