use of com.taobao.android.dx.dex.code.DalvCode in project atlas by alibaba.
the class CfTranslator method updateDexStatistics.
/**
* Helper that updates the dex statistics.
*/
private static void updateDexStatistics(CfOptions cfOptions, DexOptions dexOptions, RopMethod optRmeth, RopMethod nonOptRmeth, LocalVariableInfo locals, int paramSize, int originalByteCount) {
/*
* Run rop->dex again on optimized vs. non-optimized method to
* collect statistics. We have to totally convert both ways,
* since converting the "real" method getting added to the
* file would corrupt it (by messing with its constant pool
* indices).
*/
DalvCode optCode = RopTranslator.translate(optRmeth, cfOptions.positionInfo, locals, paramSize, dexOptions);
DalvCode nonOptCode = RopTranslator.translate(nonOptRmeth, cfOptions.positionInfo, locals, paramSize, dexOptions);
/*
* Fake out the indices, so code.getInsns() can work well enough
* for the current purpose.
*/
DalvCode.AssignIndicesCallback callback = new DalvCode.AssignIndicesCallback() {
public int getIndex(Constant cst) {
// Everything is at index 0!
return 0;
}
};
optCode.assignIndices(callback);
nonOptCode.assignIndices(callback);
cfOptions.codeStatistics.updateDexStatistics(nonOptCode, optCode);
cfOptions.codeStatistics.updateOriginalByteCount(originalByteCount);
}
use of com.taobao.android.dx.dex.code.DalvCode in project atlas by alibaba.
the class CfTranslator method processMethods.
/**
* Processes the methods of the given class.
*
* @param cf {@code non-null;} class being translated
* @param cfOptions {@code non-null;} options for class translation
* @param dexOptions {@code non-null;} options for dex output
* @param out {@code non-null;} output class
* @param dexFile {@code non-null;} dex output
*/
private static void processMethods(DirectClassFile cf, CfOptions cfOptions, DexOptions dexOptions, OptimizerOptions optimizerOptions, ClassDefItem out, DexFile dexFile) {
CstType thisClass = cf.getThisClass();
MethodList methods = cf.getMethods();
int sz = methods.size();
for (int i = 0; i < sz; i++) {
Method one = methods.get(i);
try {
CstMethodRef meth = new CstMethodRef(thisClass, one.getNat());
int accessFlags = one.getAccessFlags();
boolean isStatic = AccessFlags.isStatic(accessFlags);
boolean isPrivate = AccessFlags.isPrivate(accessFlags);
boolean isNative = AccessFlags.isNative(accessFlags);
boolean isAbstract = AccessFlags.isAbstract(accessFlags);
boolean isConstructor = meth.isInstanceInit() || meth.isClassInit();
DalvCode code;
if (isNative || isAbstract) {
// There's no code for native or abstract methods.
code = null;
} else {
ConcreteMethod concrete = new ConcreteMethod(one, cf, (cfOptions.positionInfo != PositionList.NONE), cfOptions.localInfo);
TranslationAdvice advice;
advice = DexTranslationAdvice.THE_ONE;
RopMethod rmeth = Ropper.convert(concrete, advice, methods);
RopMethod nonOptRmeth = null;
int paramSize;
paramSize = meth.getParameterWordCount(isStatic);
String canonicalName = thisClass.getClassType().getDescriptor() + "." + one.getName().getString();
if (cfOptions.optimize && optimizerOptions.shouldOptimize(canonicalName)) {
if (DEBUG) {
System.err.println("Optimizing " + canonicalName);
}
nonOptRmeth = rmeth;
rmeth = new Optimizer().optimize(rmeth, paramSize, isStatic, cfOptions.localInfo, advice);
if (DEBUG) {
OptimizerOptions.compareOptimizerStep(nonOptRmeth, paramSize, isStatic, cfOptions, advice, rmeth);
}
if (cfOptions.statistics) {
cfOptions.codeStatistics.updateRopStatistics(nonOptRmeth, rmeth);
}
}
LocalVariableInfo locals = null;
if (cfOptions.localInfo) {
locals = LocalVariableExtractor.extract(rmeth);
}
code = RopTranslator.translate(rmeth, cfOptions.positionInfo, locals, paramSize, dexOptions);
if (cfOptions.statistics && nonOptRmeth != null) {
updateDexStatistics(cfOptions, dexOptions, rmeth, nonOptRmeth, locals, paramSize, concrete.getCode().size());
}
}
// Preserve the synchronized flag as its "declared" variant...
if (AccessFlags.isSynchronized(accessFlags)) {
accessFlags |= AccessFlags.ACC_DECLARED_SYNCHRONIZED;
/*
* ...but only native methods are actually allowed to be
* synchronized.
*/
if (!isNative) {
accessFlags &= ~AccessFlags.ACC_SYNCHRONIZED;
}
}
if (isConstructor) {
accessFlags |= AccessFlags.ACC_CONSTRUCTOR;
}
TypeList exceptions = AttributeTranslator.getExceptions(one);
EncodedMethod mi = new EncodedMethod(meth, accessFlags, code, exceptions);
if (meth.isInstanceInit() || meth.isClassInit() || isStatic || isPrivate) {
out.addDirectMethod(mi);
} else {
out.addVirtualMethod(mi);
}
Annotations annotations = AttributeTranslator.getMethodAnnotations(one);
if (annotations.size() != 0) {
if (list.contains(meth.toString())) {
System.out.println(meth.toString());
} else {
list.add(meth.toString());
}
out.addMethodAnnotations(meth, annotations, dexFile);
}
AnnotationsList list = AttributeTranslator.getParameterAnnotations(one);
if (list.size() != 0) {
out.addParameterAnnotations(meth, list, dexFile);
}
dexFile.getMethodIds().intern(meth);
} catch (RuntimeException ex) {
String msg = "...while processing " + one.getName().toHuman() + " " + one.getDescriptor().toHuman();
throw ExceptionWithContext.withContext(ex, msg);
}
}
}
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