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// Copyright 2025 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 java
import (
"android/soong/android"
"github.com/google/blueprint"
)
var traceReferences = pctx.AndroidStaticRule("traceReferences",
blueprint.RuleParams{
Command: `${config.TraceReferencesCmd} ` +
// Note that we suppress missing def errors, as we're only interested
// in the direct deps between the sources and target.
`--map-diagnostics:MissingDefinitionsDiagnostic error none ` +
`--keep-rules ` +
`--output ${out} ` +
`--target ${in} ` +
// `--source` and `--lib` are already prepended to each
// jar reference in the sources and libs joined string args.
`${sources} ` +
`${libs}`,
CommandDeps: []string{"${config.TraceReferencesCmd}"},
}, "sources", "libs")
// Generates keep rules in output corresponding to any references from sources
// (a list of jars) onto target (the referenced jar) that are not included in
// libs (a list of external jars).
func TraceReferences(ctx android.ModuleContext, sources android.Paths, target android.Path, libs android.Paths,
output android.WritablePath) {
ctx.Build(pctx, android.BuildParams{
Rule: traceReferences,
Input: target,
Output: output,
Implicits: append(sources, libs...),
Args: map[string]string{
"sources": android.JoinWithPrefix(sources.Strings(), "--source "),
"libs": android.JoinWithPrefix(libs.Strings(), "--lib "),
},
})
}
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