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// Copyright (c) 2017, the R8 project authors. Please see the AUTHORS file
// for details. All rights reserved. Use of this source code is governed by a
// BSD-style license that can be found in the LICENSE file.
package com.android.tools.r8;
import com.android.tools.r8.utils.AndroidApiLevel;
import com.android.tools.r8.utils.AndroidApp;
import com.android.tools.r8.utils.DefaultDiagnosticsHandler;
import com.android.tools.r8.utils.FileSystemOutputSink;
import com.android.tools.r8.utils.FileUtils;
import com.android.tools.r8.utils.IgnoreContentsOutputSink;
import com.android.tools.r8.utils.OutputMode;
import java.io.IOException;
import java.nio.file.Path;
/**
* Base class for commands and command builders for compiler applications/tools which besides an
* Android application (and a main-dex list) also takes compilation output, compilation mode and
* min API level as input.
*/
abstract class BaseCompilerCommand extends BaseCommand {
private final Path outputPath;
private final OutputMode outputMode;
private final CompilationMode mode;
private final int minApiLevel;
private final DiagnosticsHandler diagnosticsHandler;
private final boolean enableDesugaring;
private OutputSink outputSink;
BaseCompilerCommand(boolean printHelp, boolean printVersion) {
super(printHelp, printVersion);
outputPath = null;
outputMode = OutputMode.Indexed;
mode = null;
minApiLevel = 0;
diagnosticsHandler = new DefaultDiagnosticsHandler();
enableDesugaring = true;
}
BaseCompilerCommand(
AndroidApp app,
Path outputPath,
OutputMode outputMode,
CompilationMode mode,
int minApiLevel,
DiagnosticsHandler diagnosticsHandler,
boolean enableDesugaring) {
super(app);
assert mode != null;
assert minApiLevel > 0;
this.outputPath = outputPath;
this.outputMode = outputMode;
this.mode = mode;
this.minApiLevel = minApiLevel;
this.diagnosticsHandler = diagnosticsHandler;
this.enableDesugaring = enableDesugaring;
}
public Path getOutputPath() {
return outputPath;
}
public CompilationMode getMode() {
return mode;
}
public int getMinApiLevel() {
return minApiLevel;
}
public OutputMode getOutputMode() {
return outputMode;
}
public DiagnosticsHandler getDiagnosticsHandler() {
return diagnosticsHandler;
}
private OutputSink createOutputSink() throws IOException {
if (outputPath == null) {
return new IgnoreContentsOutputSink();
} else {
return FileSystemOutputSink.create(outputPath, getInternalOptions());
}
}
public OutputSink getOutputSink() throws IOException {
if (outputSink == null) {
outputSink = createOutputSink();
}
return outputSink;
}
public boolean getEnableDesugaring() {
return enableDesugaring;
}
abstract public static class Builder<C extends BaseCompilerCommand, B extends Builder<C, B>>
extends BaseCommand.Builder<C, B> {
private Path outputPath = null;
private OutputMode outputMode = OutputMode.Indexed;
private CompilationMode mode;
private int minApiLevel = AndroidApiLevel.getDefault().getLevel();
private DiagnosticsHandler diagnosticsHandler = new DefaultDiagnosticsHandler();
private boolean enableDesugaring = true;
protected Builder(CompilationMode mode) {
this(AndroidApp.builder(), mode, false);
}
protected Builder(CompilationMode mode, boolean ignoreDexInArchive) {
this(AndroidApp.builder(), mode, ignoreDexInArchive);
}
// Internal constructor for testing.
Builder(AndroidApp app, CompilationMode mode) {
this(AndroidApp.builder(app), mode, false);
}
private Builder(AndroidApp.Builder builder, CompilationMode mode, boolean ignoreDexInArchive) {
super(builder, ignoreDexInArchive);
assert mode != null;
this.mode = mode;
}
/**
* Get current compilation mode.
*/
public CompilationMode getMode() {
return mode;
}
/**
* Set compilation mode.
*/
public B setMode(CompilationMode mode) {
assert mode != null;
this.mode = mode;
return self();
}
/**
* Get the output path. Null if not set.
*/
public Path getOutputPath() {
return outputPath;
}
/**
* Get the output mode.
*/
public OutputMode getOutputMode() {
return outputMode;
}
/**
* Set an output path. Must be an existing directory or a zip file.
*/
public B setOutputPath(Path outputPath) {
this.outputPath = outputPath;
return self();
}
/**
* Set an output mode.
*/
public B setOutputMode(OutputMode outputMode) {
this.outputMode = outputMode;
return self();
}
/**
* Get the minimum API level (aka SDK version).
*/
public int getMinApiLevel() {
return minApiLevel;
}
/**
* Set the minimum required API level (aka SDK version).
*/
public B setMinApiLevel(int minApiLevel) {
assert minApiLevel > 0;
this.minApiLevel = minApiLevel;
return self();
}
public DiagnosticsHandler getDiagnosticsHandler() {
return diagnosticsHandler;
}
public B setDiagnosticsHandler(DiagnosticsHandler diagnosticsHandler) {
this.diagnosticsHandler = diagnosticsHandler;
return self();
}
public B setEnableDesugaring(boolean enableDesugaring) {
this.enableDesugaring = enableDesugaring;
return self();
}
public boolean getEnableDesugaring() {
return enableDesugaring;
}
@Override
protected void validate() throws CompilationException {
super.validate();
if (getAppBuilder().hasMainDexList() && outputMode == OutputMode.FilePerInputClass) {
throw new CompilationException(
"Option --main-dex-list cannot be used with --file-per-class");
}
FileUtils.validateOutputFile(outputPath);
}
}
}
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