| // 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" |
| |
| 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 { |
| // The Bazel rule class for this target. |
| Rule_class string `blueprint:"mutated"` |
| |
| // The target label for the bzl file containing the definition of the rule class. |
| Bzl_load_location string `blueprint:"mutated"` |
| } |
| |
| const BazelTargetModuleNamePrefix = "__bp2build__" |
| |
| // 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...) |
| } |
| } |
| |
| // StringListAttribute corresponds to the string_list Bazel attribute type with |
| // support for additional metadata, like configurations. |
| type StringListAttribute struct { |
| // The base value of the string list attribute. |
| Value []string |
| |
| // Optional additive set of list values to the base value. |
| ArchValues stringListArchValues |
| } |
| |
| // Arch-specific string_list typed Bazel attribute values. This should correspond |
| // to the types of architectures supported for compilation in arch.go. |
| type stringListArchValues struct { |
| X86 []string |
| X86_64 []string |
| Arm []string |
| Arm64 []string |
| Default []string |
| // TODO(b/181299724): this is currently missing the "common" arch, which |
| // doesn't have an equivalent platform() definition yet. |
| } |
| |
| // HasArchSpecificValues returns true if the attribute contains |
| // architecture-specific string_list values. |
| func (attrs *StringListAttribute) HasArchSpecificValues() bool { |
| for _, arch := range []string{"x86", "x86_64", "arm", "arm64", "default"} { |
| if len(attrs.GetValueForArch(arch)) > 0 { |
| return true |
| } |
| } |
| return false |
| } |
| |
| // GetValueForArch returns the string_list attribute value for an architecture. |
| func (attrs *StringListAttribute) GetValueForArch(arch string) []string { |
| switch arch { |
| case "x86": |
| return attrs.ArchValues.X86 |
| case "x86_64": |
| return attrs.ArchValues.X86_64 |
| case "arm": |
| return attrs.ArchValues.Arm |
| case "arm64": |
| return attrs.ArchValues.Arm64 |
| case "default": |
| return attrs.ArchValues.Default |
| default: |
| panic(fmt.Errorf("Unknown arch: %s", arch)) |
| } |
| } |
| |
| // SetValueForArch sets the string_list attribute value for an architecture. |
| func (attrs *StringListAttribute) SetValueForArch(arch string, value []string) { |
| switch arch { |
| case "x86": |
| attrs.ArchValues.X86 = value |
| case "x86_64": |
| attrs.ArchValues.X86_64 = value |
| case "arm": |
| attrs.ArchValues.Arm = value |
| case "arm64": |
| attrs.ArchValues.Arm64 = value |
| case "default": |
| attrs.ArchValues.Default = value |
| default: |
| panic(fmt.Errorf("Unknown arch: %s", arch)) |
| } |
| } |