| // Copyright 2018 The LUCI Authors. |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| package lucicfg |
| |
| import ( |
| "go.starlark.net/starlark" |
| "go.starlark.net/starlarkstruct" |
| ) |
| |
| // genCtx is a starlark struct that represents the state passed to generator |
| // callbacks (as first and only argument). |
| type genCtx struct { |
| starlarkstruct.Struct |
| |
| configSet *configSet |
| } |
| |
| func newGenCtx() *genCtx { |
| ctx := &genCtx{ |
| configSet: newConfigSet(), |
| } |
| ctx.Struct = *starlarkstruct.FromStringDict(starlark.String("gen_ctx"), starlark.StringDict{ |
| "config_set": ctx.configSet, |
| }) |
| return ctx |
| } |
| |
| func init() { |
| // new_gen_ctx() makes a new empty generator context object. |
| declNative("new_gen_ctx", func(call nativeCall) (starlark.Value, error) { |
| if err := call.unpack(0); err != nil { |
| return nil, err |
| } |
| return newGenCtx(), nil |
| }) |
| } |