1// Copyright 2020 The Android Open Source Project
2//
3// Licensed under the Apache License, Version 2.0 (the "License");
4// you may not use this file except in compliance with the License.
5// You may obtain a copy of the License at
6//
7//     http://www.apache.org/licenses/LICENSE-2.0
8//
9// Unless required by applicable law or agreed to in writing, software
10// distributed under the License is distributed on an "AS IS" BASIS,
11// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12// See the License for the specific language governing permissions and
13// limitations under the License.
14
15package rust
16
17import (
18	"android/soong/android"
19)
20
21type SourceProviderProperties struct {
22	// sets name of the output
23	Stem *string `android:"arch_variant"`
24}
25
26type baseSourceProvider struct {
27	Properties SourceProviderProperties
28
29	outputFile       android.Path
30	subAndroidMkOnce map[subAndroidMkProvider]bool
31}
32
33var _ SourceProvider = (*baseSourceProvider)(nil)
34
35type SourceProvider interface {
36	generateSource(ctx android.ModuleContext, deps PathDeps) android.Path
37	Srcs() android.Paths
38	sourceProviderProps() []interface{}
39	sourceProviderDeps(ctx DepsContext, deps Deps) Deps
40}
41
42func (sp *baseSourceProvider) Srcs() android.Paths {
43	return android.Paths{sp.outputFile}
44}
45
46func (sp *baseSourceProvider) generateSource(ctx android.ModuleContext, deps PathDeps) android.Path {
47	panic("baseSourceProviderModule does not implement generateSource()")
48}
49
50func (sp *baseSourceProvider) sourceProviderProps() []interface{} {
51	return []interface{}{&sp.Properties}
52}
53
54func NewSourceProvider() *baseSourceProvider {
55	return &baseSourceProvider{
56		Properties: SourceProviderProperties{},
57	}
58}
59
60func (sp *baseSourceProvider) getStem(ctx android.ModuleContext) string {
61	stem := ctx.ModuleName()
62	if String(sp.Properties.Stem) != "" {
63		stem = String(sp.Properties.Stem)
64	}
65	return stem
66}
67
68func (sp *baseSourceProvider) sourceProviderDeps(ctx DepsContext, deps Deps) Deps {
69	return deps
70}
71