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// Copyright 2019 The Android Open Source Project
//
// 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 rust
import (
"android/soong/android"
)
func init() {
android.RegisterModuleType("rust_proc_macro", ProcMacroFactory)
}
type ProcMacroCompilerProperties struct {
// path to the source file that is the main entry point of the program (e.g. src/lib.rs)
Srcs []string `android:"path,arch_variant"`
// set name of the procMacro
Stem *string `android:"arch_variant"`
Suffix *string `android:"arch_variant"`
}
type procMacroDecorator struct {
*baseCompiler
Properties ProcMacroCompilerProperties
distFile android.OptionalPath
unstrippedOutputFile android.Path
}
type procMacroInterface interface {
}
var _ compiler = (*procMacroDecorator)(nil)
func ProcMacroFactory() android.Module {
module, _ := NewProcMacro(android.HostAndDeviceSupported)
return module.Init()
}
func NewProcMacro(hod android.HostOrDeviceSupported) (*Module, *procMacroDecorator) {
module := newModule(hod, android.MultilibFirst)
procMacro := &procMacroDecorator{
baseCompiler: NewBaseCompiler("lib", "lib64"),
}
module.compiler = procMacro
return module, procMacro
}
func (procMacro *procMacroDecorator) compilerProps() []interface{} {
return append(procMacro.baseCompiler.compilerProps(),
&procMacro.Properties)
}
func (procMacro *procMacroDecorator) compile(ctx ModuleContext, flags Flags, deps PathDeps) android.Path {
fileName := procMacro.getStem(ctx) + ctx.toolchain().ProcMacroSuffix()
outputFile := android.PathForModuleOut(ctx, fileName)
srcPath := srcPathFromModuleSrcs(ctx, procMacro.Properties.Srcs)
procMacro.unstrippedOutputFile = outputFile
TransformSrctoProcMacro(ctx, srcPath, deps, flags, outputFile, deps.linkDirs)
return outputFile
}
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