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

Example 56 with CstString

use of com.android.dx.rop.cst.CstString in project J2ME-Loader by nikita36078.

the class MemberListParser method parse.

/**
 * Does the actual parsing.
 */
private void parse() {
    int attributeContext = getAttributeContext();
    int count = getCount();
    // Skip the count.
    int at = offset + 2;
    ByteArray bytes = cf.getBytes();
    ConstantPool pool = cf.getConstantPool();
    if (observer != null) {
        observer.parsed(bytes, offset, 2, humanName() + "s_count: " + Hex.u2(count));
    }
    for (int i = 0; i < count; i++) {
        try {
            int accessFlags = bytes.getUnsignedShort(at);
            int nameIdx = bytes.getUnsignedShort(at + 2);
            int descIdx = bytes.getUnsignedShort(at + 4);
            CstString name = (CstString) pool.get(nameIdx);
            CstString desc = (CstString) pool.get(descIdx);
            if (observer != null) {
                observer.startParsingMember(bytes, at, name.getString(), desc.getString());
                observer.parsed(bytes, at, 0, "\n" + humanName() + "s[" + i + "]:\n");
                observer.changeIndent(1);
                observer.parsed(bytes, at, 2, "access_flags: " + humanAccessFlags(accessFlags));
                observer.parsed(bytes, at + 2, 2, "name: " + name.toHuman());
                observer.parsed(bytes, at + 4, 2, "descriptor: " + desc.toHuman());
            }
            at += 6;
            AttributeListParser parser = new AttributeListParser(cf, attributeContext, at, attributeFactory);
            parser.setObserver(observer);
            at = parser.getEndOffset();
            StdAttributeList attributes = parser.getList();
            attributes.setImmutable();
            CstNat nat = new CstNat(name, desc);
            Member member = set(i, accessFlags, nat, attributes);
            if (observer != null) {
                observer.changeIndent(-1);
                observer.parsed(bytes, at, 0, "end " + humanName() + "s[" + i + "]\n");
                observer.endParsingMember(bytes, at, name.getString(), desc.getString(), member);
            }
        } catch (ParseException ex) {
            ex.addContext("...while parsing " + humanName() + "s[" + i + "]");
            throw ex;
        } catch (RuntimeException ex) {
            ParseException pe = new ParseException(ex);
            pe.addContext("...while parsing " + humanName() + "s[" + i + "]");
            throw pe;
        }
    }
    endOffset = at;
}

Example 57 with CstString

use of com.android.dx.rop.cst.CstString in project J2ME-Loader by nikita36078.

the class StdAttributeFactory method signature.

/**
 * Parses a {@code Signature} attribute.
 */
private Attribute signature(DirectClassFile cf, int offset, int length, ParseObserver observer) {
    if (length != 2) {
        throwBadLength(2);
    }
    ByteArray bytes = cf.getBytes();
    ConstantPool pool = cf.getConstantPool();
    int idx = bytes.getUnsignedShort(offset);
    CstString cst = (CstString) pool.get(idx);
    Attribute result = new AttSignature(cst);
    if (observer != null) {
        observer.parsed(bytes, offset, 2, "signature: " + cst);
    }
    return result;
}

Example 58 with CstString

use of com.android.dx.rop.cst.CstString in project J2ME-Loader by nikita36078.

the class StdAttributeFactory method sourceDebugExtension.

/**
 * Parses a {@code SourceDebugExtesion} attribute.
 */
private Attribute sourceDebugExtension(DirectClassFile cf, int offset, int length, ParseObserver observer) {
    ByteArray bytes = cf.getBytes().slice(offset, offset + length);
    CstString smapString = new CstString(bytes);
    Attribute result = new AttSourceDebugExtension(smapString);
    if (observer != null) {
        String decoded = smapString.getString();
        observer.parsed(bytes, offset, length, "sourceDebugExtension: " + decoded);
    }
    return result;
}

Example 59 with CstString

use of com.android.dx.rop.cst.CstString in project J2ME-Loader by nikita36078.

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 {@code non-null;} the state global to this invocation.
 * @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 60 with CstString

use of com.android.dx.rop.cst.CstString in project J2ME-Loader by nikita36078.

the class RopToDop method dopFor.

/**
 * Returns the dalvik opcode appropriate for the given register-based
 * instruction.
 *
 * @param insn {@code non-null;} the original instruction
 * @return the corresponding dalvik opcode; one of the constants in
 * {@link Dops}
 */
public static Dop dopFor(Insn insn) {
    Rop rop = insn.getOpcode();
    /*
         * First, just try looking up the rop in the MAP of easy
         * cases.
         */
    Dop result = MAP.get(rop);
    if (result != null) {
        return result;
    }
    switch(rop.getOpcode()) {
        case RegOps.MOVE_EXCEPTION:
            return Dops.MOVE_EXCEPTION;
        case RegOps.INVOKE_STATIC:
            return Dops.INVOKE_STATIC;
        case RegOps.INVOKE_VIRTUAL:
            return Dops.INVOKE_VIRTUAL;
        case RegOps.INVOKE_SUPER:
            return Dops.INVOKE_SUPER;
        case RegOps.INVOKE_DIRECT:
            return Dops.INVOKE_DIRECT;
        case RegOps.INVOKE_INTERFACE:
            return Dops.INVOKE_INTERFACE;
        case RegOps.INVOKE_POLYMORPHIC:
            return Dops.INVOKE_POLYMORPHIC;
        case RegOps.NEW_ARRAY:
            return Dops.NEW_ARRAY;
        case RegOps.FILLED_NEW_ARRAY:
            return Dops.FILLED_NEW_ARRAY;
        case RegOps.FILL_ARRAY_DATA:
            return Dops.FILL_ARRAY_DATA;
        case RegOps.MOVE_RESULT:
            {
                RegisterSpec resultReg = insn.getResult();
                if (resultReg == null) {
                    return Dops.NOP;
                } else {
                    switch(resultReg.getBasicType()) {
                        case Type.BT_INT:
                        case Type.BT_FLOAT:
                        case Type.BT_BOOLEAN:
                        case Type.BT_BYTE:
                        case Type.BT_CHAR:
                        case Type.BT_SHORT:
                            return Dops.MOVE_RESULT;
                        case Type.BT_LONG:
                        case Type.BT_DOUBLE:
                            return Dops.MOVE_RESULT_WIDE;
                        case Type.BT_OBJECT:
                            return Dops.MOVE_RESULT_OBJECT;
                        default:
                            {
                                throw new RuntimeException("Unexpected basic type");
                            }
                    }
                }
            }
        case RegOps.GET_FIELD:
            {
                CstFieldRef ref = (CstFieldRef) ((ThrowingCstInsn) insn).getConstant();
                int basicType = ref.getBasicType();
                switch(basicType) {
                    case Type.BT_BOOLEAN:
                        return Dops.IGET_BOOLEAN;
                    case Type.BT_BYTE:
                        return Dops.IGET_BYTE;
                    case Type.BT_CHAR:
                        return Dops.IGET_CHAR;
                    case Type.BT_SHORT:
                        return Dops.IGET_SHORT;
                    case Type.BT_INT:
                        return Dops.IGET;
                }
                break;
            }
        case RegOps.PUT_FIELD:
            {
                CstFieldRef ref = (CstFieldRef) ((ThrowingCstInsn) insn).getConstant();
                int basicType = ref.getBasicType();
                switch(basicType) {
                    case Type.BT_BOOLEAN:
                        return Dops.IPUT_BOOLEAN;
                    case Type.BT_BYTE:
                        return Dops.IPUT_BYTE;
                    case Type.BT_CHAR:
                        return Dops.IPUT_CHAR;
                    case Type.BT_SHORT:
                        return Dops.IPUT_SHORT;
                    case Type.BT_INT:
                        return Dops.IPUT;
                }
                break;
            }
        case RegOps.GET_STATIC:
            {
                CstFieldRef ref = (CstFieldRef) ((ThrowingCstInsn) insn).getConstant();
                int basicType = ref.getBasicType();
                switch(basicType) {
                    case Type.BT_BOOLEAN:
                        return Dops.SGET_BOOLEAN;
                    case Type.BT_BYTE:
                        return Dops.SGET_BYTE;
                    case Type.BT_CHAR:
                        return Dops.SGET_CHAR;
                    case Type.BT_SHORT:
                        return Dops.SGET_SHORT;
                    case Type.BT_INT:
                        return Dops.SGET;
                }
                break;
            }
        case RegOps.PUT_STATIC:
            {
                CstFieldRef ref = (CstFieldRef) ((ThrowingCstInsn) insn).getConstant();
                int basicType = ref.getBasicType();
                switch(basicType) {
                    case Type.BT_BOOLEAN:
                        return Dops.SPUT_BOOLEAN;
                    case Type.BT_BYTE:
                        return Dops.SPUT_BYTE;
                    case Type.BT_CHAR:
                        return Dops.SPUT_CHAR;
                    case Type.BT_SHORT:
                        return Dops.SPUT_SHORT;
                    case Type.BT_INT:
                        return Dops.SPUT;
                }
                break;
            }
        case RegOps.CONST:
            {
                Constant cst = ((ThrowingCstInsn) insn).getConstant();
                if (cst instanceof CstType) {
                    return Dops.CONST_CLASS;
                } else if (cst instanceof CstString) {
                    return Dops.CONST_STRING;
                }
                break;
            }
    }
    throw new RuntimeException("unknown rop: " + rop);
}