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Remove restriction on exported plugins that generate APIs

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hilt_android requires seven separate annotation processors, which
is only feasible to support using exported_plugins to avoid having
to list all seven in every module that uses it.  Unfortunately they
all set generates_api: true.  Turbine is already disabled for modules
that directly use a plugin that sets generates_api: true, because
turbine doesn't run annotation processors.  Also add support for
disabling turbine if a module transitively uses a plugin that
generates APIs via exported_plugins.

Bug: 173397767
Test: TestExportedPlugins
Change-Id: If70354a3dd67efb4ce88bc9c934d41ccb6241b28
This commit is contained in:
Colin Cross
2020-11-19 18:06:03 -08:00
parent 748b2d829a
commit c9fe10f5b8
4 changed files with 58 additions and 17 deletions
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40
java/java.go
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@@ -201,7 +201,10 @@ type CompilerProperties struct {
// List of modules to use as annotation processors
Plugins []string
// List of modules to export to libraries that directly depend on this library as annotation processors
// List of modules to export to libraries that directly depend on this library as annotation
// processors. Note that if the plugins set generates_api: true this will disable the turbine
// optimization on modules that depend on this module, which will reduce parallelism and cause
// more recompilation.
Exported_plugins []string
// The number of Java source entries each Javac instance can process
@@ -428,6 +431,9 @@ type Module struct {
// list of plugins that this java module is exporting
exportedPluginClasses []string
// if true, the exported plugins generate API and require disabling turbine.
exportedDisableTurbine bool
// list of source files, collected from srcFiles with unique java and all kt files,
// will be used by android.IDEInfo struct
expandIDEInfoCompiledSrcs []string
@@ -513,7 +519,7 @@ type Dependency interface {
ResourceJars() android.Paths
AidlIncludeDirs() android.Paths
ClassLoaderContexts() dexpreopt.ClassLoaderContextMap
ExportedPlugins() (android.Paths, []string)
ExportedPlugins() (android.Paths, []string, bool)
SrcJarArgs() ([]string, android.Paths)
BaseModuleName() string
JacocoReportClassesFile() android.Path
@@ -1049,8 +1055,9 @@ func (j *Module) collectDeps(ctx android.ModuleContext) deps {
// sdk lib names from dependencies are re-exported
j.classLoaderContexts.AddContextMap(dep.ClassLoaderContexts(), otherName)
deps.aidlIncludeDirs = append(deps.aidlIncludeDirs, dep.AidlIncludeDirs()...)
pluginJars, pluginClasses := dep.ExportedPlugins()
pluginJars, pluginClasses, disableTurbine := dep.ExportedPlugins()
addPlugins(&deps, pluginJars, pluginClasses...)
deps.disableTurbine = deps.disableTurbine || disableTurbine
case java9LibTag:
deps.java9Classpath = append(deps.java9Classpath, dep.HeaderJars()...)
case staticLibTag:
@@ -1061,8 +1068,12 @@ func (j *Module) collectDeps(ctx android.ModuleContext) deps {
// sdk lib names from dependencies are re-exported
j.classLoaderContexts.AddContextMap(dep.ClassLoaderContexts(), otherName)
deps.aidlIncludeDirs = append(deps.aidlIncludeDirs, dep.AidlIncludeDirs()...)
pluginJars, pluginClasses := dep.ExportedPlugins()
pluginJars, pluginClasses, disableTurbine := dep.ExportedPlugins()
addPlugins(&deps, pluginJars, pluginClasses...)
// Turbine doesn't run annotation processors, so any module that uses an
// annotation processor that generates API is incompatible with the turbine
// optimization.
deps.disableTurbine = deps.disableTurbine || disableTurbine
case pluginTag:
if plugin, ok := dep.(*Plugin); ok {
if plugin.pluginProperties.Processor_class != nil {
@@ -1070,6 +1081,9 @@ func (j *Module) collectDeps(ctx android.ModuleContext) deps {
} else {
addPlugins(&deps, plugin.ImplementationAndResourcesJars())
}
// Turbine doesn't run annotation processors, so any module that uses an
// annotation processor that generates API is incompatible with the turbine
// optimization.
deps.disableTurbine = deps.disableTurbine || Bool(plugin.pluginProperties.Generates_api)
} else {
ctx.PropertyErrorf("plugins", "%q is not a java_plugin module", otherName)
@@ -1082,13 +1096,14 @@ func (j *Module) collectDeps(ctx android.ModuleContext) deps {
}
case exportedPluginTag:
if plugin, ok := dep.(*Plugin); ok {
if plugin.pluginProperties.Generates_api != nil && *plugin.pluginProperties.Generates_api {
ctx.PropertyErrorf("exported_plugins", "Cannot export plugins with generates_api = true, found %v", otherName)
}
j.exportedPluginJars = append(j.exportedPluginJars, plugin.ImplementationAndResourcesJars()...)
if plugin.pluginProperties.Processor_class != nil {
j.exportedPluginClasses = append(j.exportedPluginClasses, *plugin.pluginProperties.Processor_class)
}
// Turbine doesn't run annotation processors, so any module that uses an
// annotation processor that generates API is incompatible with the turbine
// optimization.
j.exportedDisableTurbine = Bool(plugin.pluginProperties.Generates_api)
} else {
ctx.PropertyErrorf("exported_plugins", "%q is not a java_plugin module", otherName)
}
@@ -1922,8 +1937,11 @@ func (j *Module) ClassLoaderContexts() dexpreopt.ClassLoaderContextMap {
return j.classLoaderContexts
}
func (j *Module) ExportedPlugins() (android.Paths, []string) {
return j.exportedPluginJars, j.exportedPluginClasses
// ExportedPlugins returns the list of jars needed to run the exported plugins, the list of
// classes for the plugins, and a boolean for whether turbine needs to be disabled due to plugins
// that generate APIs.
func (j *Module) ExportedPlugins() (android.Paths, []string, bool) {
return j.exportedPluginJars, j.exportedPluginClasses, j.exportedDisableTurbine
}
func (j *Module) SrcJarArgs() ([]string, android.Paths) {
@@ -2865,8 +2883,8 @@ func (j *Import) ClassLoaderContexts() dexpreopt.ClassLoaderContextMap {
return j.classLoaderContexts
}
func (j *Import) ExportedPlugins() (android.Paths, []string) {
return nil, nil
func (j *Import) ExportedPlugins() (android.Paths, []string, bool) {
return nil, nil, false
}
func (j *Import) SrcJarArgs() ([]string, android.Paths) {