src/main/java/com/android/tools/r8/utils/InternalOptions.java - r8 - Git at Google

 // Copyright (c) 2016, 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.utils;

 import com.android.tools.r8.dex.Constants;
 import com.android.tools.r8.errors.CompilationError;
 import com.android.tools.r8.graph.DexEncodedMethod;
 import com.android.tools.r8.graph.DexItemFactory;
 import com.android.tools.r8.shaking.ProguardConfigurationRule;
 import com.android.tools.r8.shaking.ProguardTypeMatcher;
 import com.google.common.collect.ImmutableList;
 import com.google.common.collect.ImmutableSet;
 import java.nio.file.Path;
 import java.util.List;

 public class InternalOptions {

   public final DexItemFactory itemFactory;

   public InternalOptions() {
     itemFactory = new DexItemFactory();
   }

   public InternalOptions(DexItemFactory factory) {
     assert factory != null;
     itemFactory = factory;
   }

   public final int NOT_SPECIFIED = -1;

   public boolean printTimes = false;
   // Skipping optimizations.
   public boolean skipDebugInfoOpt = false;
   public boolean skipDebugLineNumberOpt = false;
   public boolean skipClassMerging = true;

   // Number of threads to use while processing the dex files.
   public int numberOfThreads = NOT_SPECIFIED;
   // Print smali disassembly.
   public boolean useSmaliSyntax = false;
   // Verbose output.
   public boolean verbose = false;
   // Silencing output.
   public boolean quiet = false;
   // Eagerly fill dex files as much as possible.
   public boolean fillDexFiles = false;

   public List<String> methodsFilter = ImmutableList.of();
   public int minApiLevel = Constants.DEFAULT_ANDROID_API;
   public List<String> logArgumentsFilter = ImmutableList.of();

   // Defines interface method rewriter behavior.
   public OffOrAuto interfaceMethodDesugaring = OffOrAuto.Off;
   // Defines try-with-resources rewriter behavior.
   public OffOrAuto tryWithResourcesDesugaring = OffOrAuto.Off;

   // Application writing mode.
   public OutputMode outputMode = OutputMode.Indexed;

   public boolean useTreeShaking = true;

   public boolean printCfg = false;
   public String printCfgFile;
   public boolean printSeeds;
   public Path seedsFile;
   public boolean printMapping;
   public Path printMappingFile;
   public boolean printMainDexList;
   public Path printMainDexListFile;
   public boolean ignoreMissingClasses = false;
   public boolean skipMinification = false;
   public String packagePrefix = "";
   public boolean allowAccessModification = true;
   public boolean inlineAccessors = true;
   public boolean removeSwitchMaps = true;
   public final OutlineOptions outline = new OutlineOptions();
   public boolean debugKeepRules = false;
   public final AttributeRemovalOptions attributeRemoval = new AttributeRemovalOptions();

   public boolean debug = false;
   public final TestingOptions testing = new TestingOptions();

   // TODO(zerny): These stateful dictionaries do not belong here.
   public List<String> classObfuscationDictionary = ImmutableList.of();
   public List<String> obfuscationDictionary = ImmutableList.of();

   public ImmutableList<ProguardConfigurationRule> mainDexKeepRules = ImmutableList.of();
   public ImmutableList<ProguardConfigurationRule> keepRules = ImmutableList.of();
   public ImmutableSet<ProguardTypeMatcher> dontWarnPatterns = ImmutableSet.of();

   public String warningInvalidParameterAnnotations = null;

   public boolean printWarnings() {
     boolean printed = false;
     if (warningInvalidParameterAnnotations != null) {
       System.out.println("Warning: " + warningInvalidParameterAnnotations);
       printed = true;
     }
     return printed;
   }

   public boolean hasMethodsFilter() {
     return methodsFilter.size() > 0;
   }

   public boolean methodMatchesFilter(DexEncodedMethod method) {
     // Not specifying a filter matches all methods.
     if (!hasMethodsFilter()) {
       return true;
     }
     // Currently the filter is simple string equality on the qualified name.
     String qualifiedName = method.qualifiedName();
     return methodsFilter.indexOf(qualifiedName) >= 0;
   }

   public boolean methodMatchesLogArgumentsFilter(DexEncodedMethod method) {
     // Not specifying a filter matches no methods.
     if (logArgumentsFilter.size() == 0) {
       return false;
     }
     // Currently the filter is simple string equality on the qualified name.
     String qualifiedName = method.qualifiedName();
     return logArgumentsFilter.indexOf(qualifiedName) >= 0;
   }

   public static class OutlineOptions {

     public boolean enabled = true;
     public static final String className = "r8.GeneratedOutlineSupport";
     public String methodPrefix = "outline";
     public int minSize = 3;
     public int maxSize = 99;
     public int threshold = 20;
   }

   public static class TestingOptions {

     public boolean randomizeCallGraphLeaves = false;
   }

   public static class AttributeRemovalOptions {

     public static final String INNER_CLASSES = "InnerClasses";
     public static final String ENCLOSING_METHOD = "EnclosingMethod";
     public static final String SIGNATURE = "Signature";
     public static final String EXCEPTIONS = "Exceptions";
     public static final String SOURCE_DEBUG_EXTENSION = "SourceDebugExtension";
     public static final String RUNTIME_VISIBLE_ANNOTATIONS = "RuntimeVisibleAnnotations";
     public static final String RUNTIME_INVISBLE_ANNOTATIONS = "RuntimeInvisibleAnnotations";
     public static final String RUNTIME_VISIBLE_PARAMETER_ANNOTATIONS =
         "RuntimeVisibleParameterAnnotations";
     public static final String RUNTIME_INVISIBLE_PARAMETER_ANNOTATIONS =
         "RuntimeInvisibleParameterAnnotations";
     public static final String RUNTIME_VISIBLE_TYPE_ANNOTATIONS = "RuntimeVisibleTypeAnnotations";
     public static final String RUNTIME_INVISIBLE_TYPE_ANNOTATIONS =
         "RuntimeInvisibleTypeAnnotations";
     public static final String ANNOTATION_DEFAULT = "AnnotationDefault";

     public boolean innerClasses = false;
     public boolean enclosingMethod = false;
     public boolean signature = false;
     public boolean exceptions = false;
     public boolean sourceDebugExtension = false;
     public boolean runtimeVisibleAnnotations = false;
     public boolean runtimeInvisibleAnnotations = false;
     public boolean runtimeVisibleParameterAnnotations = false;
     public boolean runtimeInvisibleParamterAnnotations = false;
     public boolean runtimeVisibleTypeAnnotations = false;
     public boolean runtimeInvisibleTypeAnnotations = false;
     public boolean annotationDefault = false;

     private AttributeRemovalOptions() {

     }

     public static AttributeRemovalOptions filterOnlySignatures() {
       AttributeRemovalOptions result = new AttributeRemovalOptions();
       result.applyPattern("*");
       result.signature = false;
       return result;
     }

     /**
      * Implements ProGuards attribute matching rules.
      *
      * @see <a href="https://www.guardsquare.com/en/proguard/manual/attributes">ProGuard manual</a>.
      */
     private boolean update(boolean previous, String text, String[] patterns) {
       for (String pattern : patterns) {
         if (previous) {
           return true;
         }
         if (pattern.charAt(0) == '!') {
           if (matches(pattern, 1, text, 0)) {
             break;
           }
         } else {
           previous = matches(pattern, 0, text, 0);
         }
       }
       return previous;
     }

     private boolean matches(String pattern, int patternPos, String text, int textPos) {
       while (patternPos < pattern.length()) {
         char next = pattern.charAt(patternPos++);
         if (next == '*') {
           while (textPos < text.length()) {
             if (matches(pattern, patternPos, text, textPos++)) {
               return true;
             }
           }
           return patternPos >= pattern.length();
         } else {
           if (textPos >= text.length() || text.charAt(textPos) != next) {
             return false;
           }
           textPos++;
         }
       }
       return textPos == text.length();
     }

     public void applyPattern(String pattern) {
       String[] patterns = pattern.split(",");
       innerClasses = update(innerClasses, INNER_CLASSES, patterns);
       enclosingMethod = update(enclosingMethod, ENCLOSING_METHOD, patterns);
       signature = update(signature, SIGNATURE, patterns);
       exceptions = update(exceptions, EXCEPTIONS, patterns);
       sourceDebugExtension = update(sourceDebugExtension, SOURCE_DEBUG_EXTENSION, patterns);
       runtimeVisibleAnnotations = update(runtimeVisibleAnnotations, RUNTIME_VISIBLE_ANNOTATIONS,
           patterns);
       runtimeInvisibleAnnotations = update(runtimeInvisibleAnnotations,
           RUNTIME_INVISBLE_ANNOTATIONS, patterns);
       runtimeVisibleParameterAnnotations = update(runtimeVisibleParameterAnnotations,
           RUNTIME_VISIBLE_PARAMETER_ANNOTATIONS, patterns);
       runtimeInvisibleParamterAnnotations = update(runtimeInvisibleParamterAnnotations,
           RUNTIME_INVISIBLE_PARAMETER_ANNOTATIONS, patterns);
       runtimeVisibleTypeAnnotations = update(runtimeVisibleTypeAnnotations,
           RUNTIME_VISIBLE_TYPE_ANNOTATIONS, patterns);
       runtimeInvisibleTypeAnnotations = update(runtimeInvisibleTypeAnnotations,
           RUNTIME_INVISIBLE_TYPE_ANNOTATIONS, patterns);
       annotationDefault = update(annotationDefault, ANNOTATION_DEFAULT, patterns);
     }

     public void ensureValid(boolean isMinifying) {
       if (innerClasses && !enclosingMethod) {
         throw new CompilationError("Attribute InnerClasses implies EnclosingMethod attribute. " +
             "Check -keepattributes directive.");
       } else if (!innerClasses && enclosingMethod) {
         throw new CompilationError("Attribute EnclosingMethod requires InnerClasses attribute. " +
             "Check -keepattributes directive.");
       } else if (signature && isMinifying) {
         // TODO(38188583): Allow this once we can minify signatures.
         throw new CompilationError("Attribute Signature cannot be kept when minifying. " +
             "Check -keepattributes directive.");
       }
     }
   }

   public boolean canUseInvokePolymorphic() {
     return minApiLevel >= Constants.ANDROID_O_API;
   }

   public boolean canUseInvokeCustom() {
     return minApiLevel >= Constants.ANDROID_O_API;
   }

   public boolean canUseDefaultAndStaticInterfaceMethods() {
     return minApiLevel >= Constants.ANDROID_N_API;
   }

   public boolean canUseObjectsNonNull() {
     return minApiLevel >= Constants.ANDROID_K_API;
   }

   public boolean canUseSuppressedExceptions() {
     return minApiLevel >= Constants.ANDROID_K_API;
   }

   public boolean canUsePrivateInterfaceMethods() {
     return minApiLevel >= Constants.ANDROID_N_API;
   }

 }
	// Copyright (c) 2016, 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.utils;

	import com.android.tools.r8.dex.Constants;
	import com.android.tools.r8.errors.CompilationError;
	import com.android.tools.r8.graph.DexEncodedMethod;
	import com.android.tools.r8.graph.DexItemFactory;
	import com.android.tools.r8.shaking.ProguardConfigurationRule;
	import com.android.tools.r8.shaking.ProguardTypeMatcher;
	import com.google.common.collect.ImmutableList;
	import com.google.common.collect.ImmutableSet;
	import java.nio.file.Path;
	import java.util.List;

	public class InternalOptions {

	public final DexItemFactory itemFactory;

	public InternalOptions() {
	itemFactory = new DexItemFactory();
	}

	public InternalOptions(DexItemFactory factory) {
	assert factory != null;
	itemFactory = factory;
	}

	public final int NOT_SPECIFIED = -1;

	public boolean printTimes = false;
	// Skipping optimizations.
	public boolean skipDebugInfoOpt = false;
	public boolean skipDebugLineNumberOpt = false;
	public boolean skipClassMerging = true;

	// Number of threads to use while processing the dex files.
	public int numberOfThreads = NOT_SPECIFIED;
	// Print smali disassembly.
	public boolean useSmaliSyntax = false;
	// Verbose output.
	public boolean verbose = false;
	// Silencing output.
	public boolean quiet = false;
	// Eagerly fill dex files as much as possible.
	public boolean fillDexFiles = false;

	public List<String> methodsFilter = ImmutableList.of();
	public int minApiLevel = Constants.DEFAULT_ANDROID_API;
	public List<String> logArgumentsFilter = ImmutableList.of();

	// Defines interface method rewriter behavior.
	public OffOrAuto interfaceMethodDesugaring = OffOrAuto.Off;
	// Defines try-with-resources rewriter behavior.
	public OffOrAuto tryWithResourcesDesugaring = OffOrAuto.Off;

	// Application writing mode.
	public OutputMode outputMode = OutputMode.Indexed;

	public boolean useTreeShaking = true;

	public boolean printCfg = false;
	public String printCfgFile;
	public boolean printSeeds;
	public Path seedsFile;
	public boolean printMapping;
	public Path printMappingFile;
	public boolean printMainDexList;
	public Path printMainDexListFile;
	public boolean ignoreMissingClasses = false;
	public boolean skipMinification = false;
	public String packagePrefix = "";
	public boolean allowAccessModification = true;
	public boolean inlineAccessors = true;
	public boolean removeSwitchMaps = true;
	public final OutlineOptions outline = new OutlineOptions();
	public boolean debugKeepRules = false;
	public final AttributeRemovalOptions attributeRemoval = new AttributeRemovalOptions();

	public boolean debug = false;
	public final TestingOptions testing = new TestingOptions();

	// TODO(zerny): These stateful dictionaries do not belong here.
	public List<String> classObfuscationDictionary = ImmutableList.of();
	public List<String> obfuscationDictionary = ImmutableList.of();

	public ImmutableList<ProguardConfigurationRule> mainDexKeepRules = ImmutableList.of();
	public ImmutableList<ProguardConfigurationRule> keepRules = ImmutableList.of();
	public ImmutableSet<ProguardTypeMatcher> dontWarnPatterns = ImmutableSet.of();

	public String warningInvalidParameterAnnotations = null;

	public boolean printWarnings() {
	boolean printed = false;
	if (warningInvalidParameterAnnotations != null) {
	System.out.println("Warning: " + warningInvalidParameterAnnotations);
	printed = true;
	}
	return printed;
	}

	public boolean hasMethodsFilter() {
	return methodsFilter.size() > 0;
	}

	public boolean methodMatchesFilter(DexEncodedMethod method) {
	// Not specifying a filter matches all methods.
	if (!hasMethodsFilter()) {
	return true;
	}
	// Currently the filter is simple string equality on the qualified name.
	String qualifiedName = method.qualifiedName();
	return methodsFilter.indexOf(qualifiedName) >= 0;
	}

	public boolean methodMatchesLogArgumentsFilter(DexEncodedMethod method) {
	// Not specifying a filter matches no methods.
	if (logArgumentsFilter.size() == 0) {
	return false;
	}
	// Currently the filter is simple string equality on the qualified name.
	String qualifiedName = method.qualifiedName();
	return logArgumentsFilter.indexOf(qualifiedName) >= 0;
	}

	public static class OutlineOptions {

	public boolean enabled = true;
	public static final String className = "r8.GeneratedOutlineSupport";
	public String methodPrefix = "outline";
	public int minSize = 3;
	public int maxSize = 99;
	public int threshold = 20;
	}

	public static class TestingOptions {

	public boolean randomizeCallGraphLeaves = false;
	}

	public static class AttributeRemovalOptions {

	public static final String INNER_CLASSES = "InnerClasses";
	public static final String ENCLOSING_METHOD = "EnclosingMethod";
	public static final String SIGNATURE = "Signature";
	public static final String EXCEPTIONS = "Exceptions";
	public static final String SOURCE_DEBUG_EXTENSION = "SourceDebugExtension";
	public static final String RUNTIME_VISIBLE_ANNOTATIONS = "RuntimeVisibleAnnotations";
	public static final String RUNTIME_INVISBLE_ANNOTATIONS = "RuntimeInvisibleAnnotations";
	public static final String RUNTIME_VISIBLE_PARAMETER_ANNOTATIONS =
	"RuntimeVisibleParameterAnnotations";
	public static final String RUNTIME_INVISIBLE_PARAMETER_ANNOTATIONS =
	"RuntimeInvisibleParameterAnnotations";
	public static final String RUNTIME_VISIBLE_TYPE_ANNOTATIONS = "RuntimeVisibleTypeAnnotations";
	public static final String RUNTIME_INVISIBLE_TYPE_ANNOTATIONS =
	"RuntimeInvisibleTypeAnnotations";
	public static final String ANNOTATION_DEFAULT = "AnnotationDefault";

	public boolean innerClasses = false;
	public boolean enclosingMethod = false;
	public boolean signature = false;
	public boolean exceptions = false;
	public boolean sourceDebugExtension = false;
	public boolean runtimeVisibleAnnotations = false;
	public boolean runtimeInvisibleAnnotations = false;
	public boolean runtimeVisibleParameterAnnotations = false;
	public boolean runtimeInvisibleParamterAnnotations = false;
	public boolean runtimeVisibleTypeAnnotations = false;
	public boolean runtimeInvisibleTypeAnnotations = false;
	public boolean annotationDefault = false;

	private AttributeRemovalOptions() {

	}

	public static AttributeRemovalOptions filterOnlySignatures() {
	AttributeRemovalOptions result = new AttributeRemovalOptions();
	result.applyPattern("*");
	result.signature = false;
	return result;
	}

	/**
	* Implements ProGuards attribute matching rules.
	*
	* @see <a href="https://www.guardsquare.com/en/proguard/manual/attributes">ProGuard manual</a>.
	*/
	private boolean update(boolean previous, String text, String[] patterns) {
	for (String pattern : patterns) {
	if (previous) {
	return true;
	}
	if (pattern.charAt(0) == '!') {
	if (matches(pattern, 1, text, 0)) {
	break;
	}
	} else {
	previous = matches(pattern, 0, text, 0);
	}
	}
	return previous;
	}

	private boolean matches(String pattern, int patternPos, String text, int textPos) {
	while (patternPos < pattern.length()) {
	char next = pattern.charAt(patternPos++);
	if (next == '*') {
	while (textPos < text.length()) {
	if (matches(pattern, patternPos, text, textPos++)) {
	return true;
	}
	}
	return patternPos >= pattern.length();
	} else {
	if (textPos >= text.length() \|\| text.charAt(textPos) != next) {
	return false;
	}
	textPos++;
	}
	}
	return textPos == text.length();
	}

	public void applyPattern(String pattern) {
	String[] patterns = pattern.split(",");
	innerClasses = update(innerClasses, INNER_CLASSES, patterns);
	enclosingMethod = update(enclosingMethod, ENCLOSING_METHOD, patterns);
	signature = update(signature, SIGNATURE, patterns);
	exceptions = update(exceptions, EXCEPTIONS, patterns);
	sourceDebugExtension = update(sourceDebugExtension, SOURCE_DEBUG_EXTENSION, patterns);
	runtimeVisibleAnnotations = update(runtimeVisibleAnnotations, RUNTIME_VISIBLE_ANNOTATIONS,
	patterns);
	runtimeInvisibleAnnotations = update(runtimeInvisibleAnnotations,
	RUNTIME_INVISBLE_ANNOTATIONS, patterns);
	runtimeVisibleParameterAnnotations = update(runtimeVisibleParameterAnnotations,
	RUNTIME_VISIBLE_PARAMETER_ANNOTATIONS, patterns);
	runtimeInvisibleParamterAnnotations = update(runtimeInvisibleParamterAnnotations,
	RUNTIME_INVISIBLE_PARAMETER_ANNOTATIONS, patterns);
	runtimeVisibleTypeAnnotations = update(runtimeVisibleTypeAnnotations,
	RUNTIME_VISIBLE_TYPE_ANNOTATIONS, patterns);
	runtimeInvisibleTypeAnnotations = update(runtimeInvisibleTypeAnnotations,
	RUNTIME_INVISIBLE_TYPE_ANNOTATIONS, patterns);
	annotationDefault = update(annotationDefault, ANNOTATION_DEFAULT, patterns);
	}

	public void ensureValid(boolean isMinifying) {
	if (innerClasses && !enclosingMethod) {
	throw new CompilationError("Attribute InnerClasses implies EnclosingMethod attribute. " +
	"Check -keepattributes directive.");
	} else if (!innerClasses && enclosingMethod) {
	throw new CompilationError("Attribute EnclosingMethod requires InnerClasses attribute. " +
	"Check -keepattributes directive.");
	} else if (signature && isMinifying) {
	// TODO(38188583): Allow this once we can minify signatures.
	throw new CompilationError("Attribute Signature cannot be kept when minifying. " +
	"Check -keepattributes directive.");
	}
	}
	}

	public boolean canUseInvokePolymorphic() {
	return minApiLevel >= Constants.ANDROID_O_API;
	}

	public boolean canUseInvokeCustom() {
	return minApiLevel >= Constants.ANDROID_O_API;
	}

	public boolean canUseDefaultAndStaticInterfaceMethods() {
	return minApiLevel >= Constants.ANDROID_N_API;
	}

	public boolean canUseObjectsNonNull() {
	return minApiLevel >= Constants.ANDROID_K_API;
	}

	public boolean canUseSuppressedExceptions() {
	return minApiLevel >= Constants.ANDROID_K_API;
	}

	public boolean canUsePrivateInterfaceMethods() {
	return minApiLevel >= Constants.ANDROID_N_API;
	}

	}