Examples with StdTypeList com.android.dx.rop.type.StdTypeList used on opensource projects

Example 11 with StdTypeList

use of com.android.dx.rop.type.StdTypeList in project J2ME-Loader by nikita36078.

the class Ropper method addSetupBlocks.

/**
 * Constructs and adds the blocks that perform setup for the rest of
 * the method. This includes a first block which merely contains
 * assignments from parameters to the same-numbered registers and
 * a possible second block which deals with synchronization.
 */
private void addSetupBlocks() {
    LocalVariableList localVariables = method.getLocalVariables();
    SourcePosition pos = method.makeSourcePosistion(0);
    Prototype desc = method.getEffectiveDescriptor();
    StdTypeList params = desc.getParameterTypes();
    int sz = params.size();
    InsnList insns = new InsnList(sz + 1);
    int at = 0;
    for (int i = 0; i < sz; i++) {
        Type one = params.get(i);
        LocalVariableList.Item local = localVariables.pcAndIndexToLocal(0, at);
        RegisterSpec result = (local == null) ? RegisterSpec.make(at, one) : RegisterSpec.makeLocalOptional(at, one, local.getLocalItem());
        Insn insn = new PlainCstInsn(Rops.opMoveParam(one), pos, result, RegisterSpecList.EMPTY, CstInteger.make(at));
        insns.set(i, insn);
        at += one.getCategory();
    }
    insns.set(sz, new PlainInsn(Rops.GOTO, pos, null, RegisterSpecList.EMPTY));
    insns.setImmutable();
    boolean synch = isSynchronized();
    int label = synch ? getSpecialLabel(SYNCH_SETUP_1) : 0;
    BasicBlock bb = new BasicBlock(getSpecialLabel(PARAM_ASSIGNMENT), insns, IntList.makeImmutable(label), label);
    addBlock(bb, IntList.EMPTY);
    if (synch) {
        RegisterSpec synchReg = getSynchReg();
        Insn insn;
        if (isStatic()) {
            insn = new ThrowingCstInsn(Rops.CONST_OBJECT, pos, RegisterSpecList.EMPTY, StdTypeList.EMPTY, method.getDefiningClass());
            insns = new InsnList(1);
            insns.set(0, insn);
        } else {
            insns = new InsnList(2);
            insn = new PlainCstInsn(Rops.MOVE_PARAM_OBJECT, pos, synchReg, RegisterSpecList.EMPTY, CstInteger.VALUE_0);
            insns.set(0, insn);
            insns.set(1, new PlainInsn(Rops.GOTO, pos, null, RegisterSpecList.EMPTY));
        }
        int label2 = getSpecialLabel(SYNCH_SETUP_2);
        insns.setImmutable();
        bb = new BasicBlock(label, insns, IntList.makeImmutable(label2), label2);
        addBlock(bb, IntList.EMPTY);
        insns = new InsnList(isStatic() ? 2 : 1);
        if (isStatic()) {
            insns.set(0, new PlainInsn(Rops.opMoveResultPseudo(synchReg), pos, synchReg, RegisterSpecList.EMPTY));
        }
        insn = new ThrowingInsn(Rops.MONITOR_ENTER, pos, RegisterSpecList.make(synchReg), StdTypeList.EMPTY);
        insns.set(isStatic() ? 1 : 0, insn);
        insns.setImmutable();
        bb = new BasicBlock(label2, insns, IntList.makeImmutable(0), 0);
        addBlock(bb, IntList.EMPTY);
    }
}

Example 12 with StdTypeList

use of com.android.dx.rop.type.StdTypeList in project J2ME-Loader by nikita36078.

the class AttributeTranslator method translateInnerClasses.

/**
 * Gets the {@code InnerClasses} attribute out of a given
 * {@link AttributeList}, if any, translating it to one or more of an
 * {@code InnerClass}, {@code EnclosingClass}, or
 * {@code MemberClasses} annotation.
 *
 * @param thisClass {@code non-null;} type representing the class being
 * processed
 * @param attribs {@code non-null;} the attributes list to search in
 * @param needEnclosingClass whether to include an
 * {@code EnclosingClass} annotation
 * @return {@code null-ok;} the converted list of annotations, if there
 * was an attribute to translate
 */
private static Annotations translateInnerClasses(CstType thisClass, AttributeList attribs, boolean needEnclosingClass) {
    AttInnerClasses innerClasses = (AttInnerClasses) attribs.findFirst(AttInnerClasses.ATTRIBUTE_NAME);
    if (innerClasses == null) {
        return null;
    }
    /*
         * Search the list for the element representing the current class
         * as well as for any named member classes.
         */
    InnerClassList list = innerClasses.getInnerClasses();
    int size = list.size();
    InnerClassList.Item foundThisClass = null;
    ArrayList<Type> membersList = new ArrayList<Type>();
    for (int i = 0; i < size; i++) {
        InnerClassList.Item item = list.get(i);
        CstType innerClass = item.getInnerClass();
        if (innerClass.equals(thisClass)) {
            foundThisClass = item;
        } else if (thisClass.equals(item.getOuterClass())) {
            membersList.add(innerClass.getClassType());
        }
    }
    int membersSize = membersList.size();
    if ((foundThisClass == null) && (membersSize == 0)) {
        return null;
    }
    Annotations result = new Annotations();
    if (foundThisClass != null) {
        result.add(AnnotationUtils.makeInnerClass(foundThisClass.getInnerName(), foundThisClass.getAccessFlags()));
        if (needEnclosingClass) {
            CstType outer = foundThisClass.getOuterClass();
            if (outer == null) {
                throw new Warning("Ignoring InnerClasses attribute for an " + "anonymous inner class\n" + "(" + thisClass.toHuman() + ") that doesn't come with an\n" + "associated EnclosingMethod attribute. " + "This class was probably produced by a\n" + "compiler that did not target the modern " + ".class file format. The recommended\n" + "solution is to recompile the class from " + "source, using an up-to-date compiler\n" + "and without specifying any \"-target\" type " + "options. The consequence of ignoring\n" + "this warning is that reflective operations " + "on this class will incorrectly\n" + "indicate that it is *not* an inner class.");
            }
            result.add(AnnotationUtils.makeEnclosingClass(foundThisClass.getOuterClass()));
        }
    }
    if (membersSize != 0) {
        StdTypeList typeList = new StdTypeList(membersSize);
        for (int i = 0; i < membersSize; i++) {
            typeList.set(i, membersList.get(i));
        }
        typeList.setImmutable();
        result.add(AnnotationUtils.makeMemberClasses(typeList));
    }
    result.setImmutable();
    return result;
}

Example 13 with StdTypeList

use of com.android.dx.rop.type.StdTypeList in project J2ME-Loader by nikita36078.

the class DebugInfoEncoder method emitHeader.

/**
 * Emits the header sequence, which consists of LEB128-encoded initial
 * line number and string indicies for names of all non-"this" arguments.
 *
 * @param sortedPositions positions, sorted by ascending address
 * @param methodArgs local list entries for method argumens arguments,
 * in left-to-right order omitting "this"
 * @throws IOException
 */
private void emitHeader(ArrayList<PositionList.Entry> sortedPositions, ArrayList<LocalList.Entry> methodArgs) throws IOException {
    boolean annotate = (annotateTo != null) || (debugPrint != null);
    int mark = output.getCursor();
    // Start by initializing the line number register.
    if (sortedPositions.size() > 0) {
        PositionList.Entry entry = sortedPositions.get(0);
        line = entry.getPosition().getLine();
    }
    output.writeUleb128(line);
    if (annotate) {
        annotate(output.getCursor() - mark, "line_start: " + line);
    }
    int curParam = getParamBase();
    // paramTypes will not include 'this'
    StdTypeList paramTypes = desc.getParameterTypes();
    int szParamTypes = paramTypes.size();
    /*
         * Initialize lastEntryForReg to have an initial
         * entry for the 'this' pointer.
         */
    if (!isStatic) {
        for (LocalList.Entry arg : methodArgs) {
            if (curParam == arg.getRegister()) {
                lastEntryForReg[curParam] = arg;
                break;
            }
        }
        curParam++;
    }
    // Write out the number of parameter entries that will follow.
    mark = output.getCursor();
    output.writeUleb128(szParamTypes);
    if (annotate) {
        annotate(output.getCursor() - mark, String.format("parameters_size: %04x", szParamTypes));
    }
    /*
         * Then emit the string indicies of all the method parameters.
         * Note that 'this', if applicable, is excluded.
         */
    for (int i = 0; i < szParamTypes; i++) {
        Type pt = paramTypes.get(i);
        LocalList.Entry found = null;
        mark = output.getCursor();
        for (LocalList.Entry arg : methodArgs) {
            if (curParam == arg.getRegister()) {
                found = arg;
                if (arg.getSignature() != null) {
                    /*
                         * Parameters with signatures will be re-emitted
                         * in complete as LOCAL_START_EXTENDED's below.
                         */
                    emitStringIndex(null);
                } else {
                    emitStringIndex(arg.getName());
                }
                lastEntryForReg[curParam] = arg;
                break;
            }
        }
        if (found == null) {
            /*
                 * Emit a null symbol for "unnamed." This is common
                 * for, e.g., synthesized methods and inner-class
                 * this$0 arguments.
                 */
            emitStringIndex(null);
        }
        if (annotate) {
            String parameterName = (found == null || found.getSignature() != null) ? "<unnamed>" : found.getName().toHuman();
            annotate(output.getCursor() - mark, "parameter " + parameterName + " " + RegisterSpec.PREFIX + curParam);
        }
        curParam += pt.getCategory();
    }
    for (LocalList.Entry arg : lastEntryForReg) {
        if (arg == null) {
            continue;
        }
        CstString signature = arg.getSignature();
        if (signature != null) {
            emitLocalStartExtended(arg);
        }
    }
}

Example 14 with StdTypeList

use of com.android.dx.rop.type.StdTypeList in project J2ME-Loader by nikita36078.

the class Rops method opFilledNewArray.

/**
 * Returns the appropriate {@code filled-new-array} rop for the given
 * type. The result may be a shared instance.
 *
 * @param arrayType {@code non-null;} type of array being created
 * @param count {@code count >= 0;} number of elements that the array should have
 * @return {@code non-null;} an appropriate instance
 */
public static Rop opFilledNewArray(TypeBearer arrayType, int count) {
    Type type = arrayType.getType();
    Type elementType = type.getComponentType();
    if (elementType.isCategory2()) {
        return throwBadType(arrayType);
    }
    if (count < 0) {
        throw new IllegalArgumentException("count < 0");
    }
    StdTypeList sourceTypes = new StdTypeList(count);
    for (int i = 0; i < count; i++) {
        sourceTypes.set(i, elementType);
    }
    // Note: The resulting rop is considered call-like.
    return new Rop(RegOps.FILLED_NEW_ARRAY, sourceTypes, Exceptions.LIST_Error);
}

Example 15 with StdTypeList

use of com.android.dx.rop.type.StdTypeList in project buck by facebook.

the class Rops method opFilledNewArray.

/**
     * Returns the appropriate {@code filled-new-array} rop for the given
     * type. The result may be a shared instance.
     *
     * @param arrayType {@code non-null;} type of array being created
     * @param count {@code >= 0;} number of elements that the array should have
     * @return {@code non-null;} an appropriate instance
     */
public static Rop opFilledNewArray(TypeBearer arrayType, int count) {
    Type type = arrayType.getType();
    Type elementType = type.getComponentType();
    if (elementType.isCategory2()) {
        return throwBadType(arrayType);
    }
    if (count < 0) {
        throw new IllegalArgumentException("count < 0");
    }
    StdTypeList sourceTypes = new StdTypeList(count);
    for (int i = 0; i < count; i++) {
        sourceTypes.set(i, elementType);
    }
    // Note: The resulting rop is considered call-like.
    return new Rop(RegOps.FILLED_NEW_ARRAY, sourceTypes, Exceptions.LIST_Error);
}