Examples with Constant com.android.dx.rop.cst.Constant used on opensource projects

Example 51 with Constant

use of com.android.dx.rop.cst.Constant in project buck by facebook.

the class CfTranslator method translate0.

/**
     * Performs the main act of translation. This method is separated
     * from {@link #translate} just to keep things a bit simpler in
     * terms of exception handling.
     *
     *
     * @param context
     * @param cf {@code non-null;} the class file
     * @param bytes {@code non-null;} contents of the file
     * @param cfOptions options for class translation
     * @param dexOptions options for dex output
     * @param dexFile {@code non-null;} dex output
     * @return {@code non-null;} the translated class
     */
private static ClassDefItem translate0(DxContext context, DirectClassFile cf, byte[] bytes, CfOptions cfOptions, DexOptions dexOptions, DexFile dexFile) {
    context.optimizerOptions.loadOptimizeLists(cfOptions.optimizeListFile, cfOptions.dontOptimizeListFile);
    // Build up a class to output.
    CstType thisClass = cf.getThisClass();
    int classAccessFlags = cf.getAccessFlags() & ~AccessFlags.ACC_SUPER;
    CstString sourceFile = (cfOptions.positionInfo == PositionList.NONE) ? null : cf.getSourceFile();
    ClassDefItem out = new ClassDefItem(thisClass, classAccessFlags, cf.getSuperclass(), cf.getInterfaces(), sourceFile);
    Annotations classAnnotations = AttributeTranslator.getClassAnnotations(cf, cfOptions);
    if (classAnnotations.size() != 0) {
        out.setClassAnnotations(classAnnotations, dexFile);
    }
    FieldIdsSection fieldIdsSection = dexFile.getFieldIds();
    MethodIdsSection methodIdsSection = dexFile.getMethodIds();
    processFields(cf, out, dexFile);
    processMethods(context, cf, cfOptions, dexOptions, out, dexFile);
    // intern constant pool method, field and type references
    ConstantPool constantPool = cf.getConstantPool();
    int constantPoolSize = constantPool.size();
    for (int i = 0; i < constantPoolSize; i++) {
        Constant constant = constantPool.getOrNull(i);
        if (constant instanceof CstMethodRef) {
            methodIdsSection.intern((CstBaseMethodRef) constant);
        } else if (constant instanceof CstInterfaceMethodRef) {
            methodIdsSection.intern(((CstInterfaceMethodRef) constant).toMethodRef());
        } else if (constant instanceof CstFieldRef) {
            fieldIdsSection.intern((CstFieldRef) constant);
        } else if (constant instanceof CstEnumRef) {
            fieldIdsSection.intern(((CstEnumRef) constant).getFieldRef());
        }
    }
    return out;
}

Example 52 with Constant

use of com.android.dx.rop.cst.Constant in project buck by facebook.

the class CfTranslator method updateDexStatistics.

/**
     * Helper that updates the dex statistics.
     */
private static void updateDexStatistics(DxContext context, 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);
    context.codeStatistics.updateDexStatistics(nonOptCode, optCode);
    context.codeStatistics.updateOriginalByteCount(originalByteCount);
}

Example 53 with Constant

use of com.android.dx.rop.cst.Constant in project buck by facebook.

the class InsnFormat method cstString.

/**
     * Helper method to return the constant string for a {@link CstInsn}
     * in human form.
     *
     * @param insn {@code non-null;} a constant-bearing instruction
     * @return {@code non-null;} the human string form of the contained
     * constant
     */
protected static String cstString(DalvInsn insn) {
    CstInsn ci = (CstInsn) insn;
    Constant cst = ci.getConstant();
    return cst instanceof CstString ? ((CstString) cst).toQuoted() : cst.toHuman();
}

Example 54 with Constant

use of com.android.dx.rop.cst.Constant in project buck by facebook.

the class OutputFinisher method assignIndices.

/**
     * Helper for {@link #assignIndices} which does assignment for one
     * instruction.
     *
     * @param insn {@code non-null;} the instruction
     * @param callback {@code non-null;} the callback
     */
private static void assignIndices(CstInsn insn, DalvCode.AssignIndicesCallback callback) {
    Constant cst = insn.getConstant();
    int index = callback.getIndex(cst);
    if (index >= 0) {
        insn.setIndex(index);
    }
    if (cst instanceof CstMemberRef) {
        CstMemberRef member = (CstMemberRef) cst;
        CstType definer = member.getDefiningClass();
        index = callback.getIndex(definer);
        if (index >= 0) {
            insn.setClassIndex(index);
        }
    }
}

Example 55 with Constant

use of com.android.dx.rop.cst.Constant in project buck by facebook.

the class OutputFinisher method addConstants.

/**
     * Helper for {@link #getAllConstants} which adds all the info for
     * a single instruction.
     *
     * @param result {@code non-null;} result set to add to
     * @param insn {@code non-null;} instruction to scrutinize
     */
private static void addConstants(HashSet<Constant> result, DalvInsn insn) {
    if (insn instanceof CstInsn) {
        Constant cst = ((CstInsn) insn).getConstant();
        result.add(cst);
    } else if (insn instanceof LocalSnapshot) {
        RegisterSpecSet specs = ((LocalSnapshot) insn).getLocals();
        int size = specs.size();
        for (int i = 0; i < size; i++) {
            addConstants(result, specs.get(i));
        }
    } else if (insn instanceof LocalStart) {
        RegisterSpec spec = ((LocalStart) insn).getLocal();
        addConstants(result, spec);
    }
}