platform_build_soong/bazel/properties.go

88 lines
2.6 KiB
Go

// Copyright 2020 Google Inc. All rights reserved.
//
// 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 bazel
import (
"fmt"
"strings"
)
type bazelModuleProperties struct {
// The label of the Bazel target replacing this Soong module.
Label string
// If true, bp2build will generate the converted Bazel target for this module.
Bp2build_available bool
}
// Properties contains common module properties for Bazel migration purposes.
type Properties struct {
// In USE_BAZEL_ANALYSIS=1 mode, this represents the Bazel target replacing
// this Soong module.
Bazel_module bazelModuleProperties
}
// BazelTargetModuleProperties contain properties and metadata used for
// Blueprint to BUILD file conversion.
type BazelTargetModuleProperties struct {
Name *string
// The Bazel rule class for this target.
Rule_class string
// The target label for the bzl file containing the definition of the rule class.
Bzl_load_location string
}
const BazelTargetModuleNamePrefix = "__bp2build__"
func NewBazelTargetModuleProperties(name string, ruleClass string, bzlLoadLocation string) BazelTargetModuleProperties {
if strings.HasPrefix(name, BazelTargetModuleNamePrefix) {
panic(fmt.Errorf(
"The %s name prefix is added automatically, do not set it manually: %s",
BazelTargetModuleNamePrefix,
name))
}
name = BazelTargetModuleNamePrefix + name
return BazelTargetModuleProperties{
Name: &name,
Rule_class: ruleClass,
Bzl_load_location: bzlLoadLocation,
}
}
// Label is used to represent a Bazel compatible Label. Also stores the original bp text to support
// string replacement.
type Label struct {
Bp_text string
Label string
}
// LabelList is used to represent a list of Bazel labels.
type LabelList struct {
Includes []Label
Excludes []Label
}
// Append appends the fields of other labelList to the corresponding fields of ll.
func (ll *LabelList) Append(other LabelList) {
if len(ll.Includes) > 0 || len(other.Includes) > 0 {
ll.Includes = append(ll.Includes, other.Includes...)
}
if len(ll.Excludes) > 0 || len(other.Excludes) > 0 {
ll.Excludes = append(other.Excludes, other.Excludes...)
}
}