Example usage for org.objectweb.asm Opcodes GETSTATIC

List of usage examples for org.objectweb.asm Opcodes GETSTATIC

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Introduction

In this page you can find the example usage for org.objectweb.asm Opcodes GETSTATIC.

Prototype

int GETSTATIC

To view the source code for org.objectweb.asm Opcodes GETSTATIC.

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Usage

From source file:de.unisb.cs.st.javalanche.mutation.bytecodeMutations.BytecodeTasks.java

License:Open Source License

/**
 * Inserts bytecode that prints the given message.
 * /*from w  w  w  . j  a va2s . co  m*/
 * @param mv
 *            The MethodVisitor for which the code is added.
 * @param message
 *            The text to be printed to System.out .
 */
public static void insertPrintStatements(MethodVisitor mv, String message) {
    mv.visitFieldInsn(Opcodes.GETSTATIC, "java/lang/System", "err", "Ljava/io/PrintStream;");
    mv.visitLdcInsn("[MUTATION] " + message);
    mv.visitMethodInsn(Opcodes.INVOKEVIRTUAL, "java/io/PrintStream", "println", "(Ljava/lang/String;)V");
}

From source file:de.unisb.cs.st.javaslicer.common.classRepresentation.instructions.FieldInstruction.java

License:Open Source License

@Override
public String toString() {
    String type;/* w w w.  j  av  a 2 s . c  om*/
    switch (getOpcode()) {
    case Opcodes.PUTSTATIC:
        type = "PUTSTATIC";
        break;
    case Opcodes.GETSTATIC:
        type = "GETSTATIC";
        break;

    case Opcodes.GETFIELD:
        type = "GETFIELD";
        break;

    case Opcodes.PUTFIELD:
        type = "PUTFIELD";
        break;

    default:
        assert false;
        type = "--ERROR--";
        break;
    }

    StringBuilder sb = new StringBuilder(type.length() + this.ownerInternalClassName.length()
            + this.fieldName.length() + this.fieldDesc.length() + 3);
    sb.append(type).append(' ').append(this.ownerInternalClassName).append('.').append(this.fieldName)
            .append(' ').append(this.fieldDesc);
    return sb.toString();
}

From source file:de.unisb.cs.st.javaslicer.common.classRepresentation.instructions.FieldInstruction2.java

License:Open Source License

@Override
public String toString() {
    String type;/*from   w w w . ja va 2s  . c om*/
    switch (getOpcode()) {
    case Opcodes.PUTSTATIC:
        type = "PUTSTATIC";
        break;
    case Opcodes.GETSTATIC:
        type = "GETSTATIC";
        break;

    case Opcodes.GETFIELD:
        type = "GETFIELD";
        break;

    case Opcodes.PUTFIELD:
        type = "PUTFIELD";
        break;

    default:
        assert false;
        type = "--ERROR--";
        break;
    }

    StringBuilder sb = new StringBuilder(type.length() + this.ownerInternalClassName.length()
            + this.fieldName.length() + this.fieldDesc.length() + 3);
    sb.append(type).append(' ').append(this.ownerInternalClassName).append(".&&").append(this.fieldName)
            .append(' ').append(this.fieldDesc);
    return sb.toString();
}

From source file:de.zib.sfs.instrument.AbstractSfsAdapter.java

License:BSD License

protected static void println(MethodVisitor mv, String string) {
    // System.err.println(<string>);
    mv.visitFieldInsn(Opcodes.GETSTATIC, Type.getInternalName(System.class), "err",
            Type.getDescriptor(PrintStream.class));
    mv.visitLdcInsn(string);//from  w w  w.ja v a 2  s .  co  m
    mv.visitMethodInsn(Opcodes.INVOKEVIRTUAL, Type.getInternalName(PrintStream.class), "println",
            Type.getMethodDescriptor(Type.VOID_TYPE, Type.getType(String.class)), false);
}

From source file:dyco4j.instrumentation.internals.InitTracingMethodVisitor.java

License:BSD License

@Override
public void visitFieldInsn(final int opcode, final String owner, final String name, final String desc) {
    this.mv.visitFieldInsn(opcode, owner, name, desc);
    final char _c = desc.charAt(0);
    final boolean _longOrDouble = _c == 'J' || _c == 'D';
    switch (opcode) {
    case Opcodes.GETSTATIC: // add 1 or 2
        this.stackFrame.push(OTHER);
        if (_longOrDouble)
            this.stackFrame.push(OTHER);
        break;/*  w w w  . j a  v a  2 s . c  o  m*/
    case Opcodes.PUTSTATIC: // remove 1 or 2
        this.stackFrame.pop();
        if (_longOrDouble)
            this.stackFrame.pop();
        break;
    case Opcodes.PUTFIELD: // remove 2 or 3
        this.stackFrame.pop();
        this.stackFrame.pop();
        if (_longOrDouble)
            this.stackFrame.pop();
        break;
    case Opcodes.GETFIELD: // remove 1 add 1 or 2
        if (_longOrDouble)
            this.stackFrame.push(OTHER);
    }
}

From source file:dyco4j.instrumentation.internals.TracingMethodVisitor.java

License:BSD License

@Override
public final void visitFieldInsn(final int opcode, final String owner, final String name, final String desc) {
    if (this.cv.cmdLineOptions.traceFieldAccess) {
        final Type _fieldType = Type.getType(desc);
        final String _fieldId = this.cv.getFieldId(name, owner, desc);
        final boolean _isFieldStatic = opcode == Opcodes.GETSTATIC || opcode == Opcodes.PUTSTATIC;
        if (opcode == Opcodes.GETSTATIC || opcode == Opcodes.GETFIELD) {
            if (_isFieldStatic)
                super.visitInsn(Opcodes.ACONST_NULL);
            else if (this.thisInitialized)
                super.visitInsn(Opcodes.DUP);
            else {
                super.visitLdcInsn(LoggingHelper.UNINITIALIZED_THIS);
                super.visitInsn(Opcodes.SWAP);
            }//from  w w w .  j  av  a 2  s .  co m

            super.visitFieldInsn(opcode, owner, name, desc);
            LoggingHelper.emitLogField(this.mv, _fieldId, _fieldType, Logger.FieldAction.GETF);
        } else if (opcode == Opcodes.PUTSTATIC || opcode == Opcodes.PUTFIELD) {
            if (_isFieldStatic) {
                super.visitInsn(Opcodes.ACONST_NULL);
            } else if (this.thisInitialized) {
                LoggingHelper.emitSwapTwoWordsAndOneWord(this.mv, _fieldType);
                final int _fieldSort = _fieldType.getSort();
                if (_fieldSort == Type.LONG || _fieldSort == Type.DOUBLE)
                    super.visitInsn(Opcodes.DUP_X2);
                else
                    super.visitInsn(Opcodes.DUP_X1);
            } else {
                super.visitLdcInsn(LoggingHelper.UNINITIALIZED_THIS);
            }

            LoggingHelper.emitSwapOneWordAndTwoWords(this.mv, _fieldType);
            LoggingHelper.emitLogField(this.mv, _fieldId, _fieldType, Logger.FieldAction.PUTF);
            super.visitFieldInsn(opcode, owner, name, desc);
        }
    } else
        super.visitFieldInsn(opcode, owner, name, desc);
}

From source file:dyco4j.instrumentation.LoggingHelper.java

License:BSD License

public static void emitLogArray(final MethodVisitor mv, final Logger.ArrayAction action) {
    final Type _a = Type.getType(Logger.ArrayAction.class);
    final String _name = action.toString();
    mv.visitFieldInsn(Opcodes.GETSTATIC, _a.getInternalName(), _name, _a.getDescriptor());
    emitInvokeLog(mv, LOG_ARRAY);/*from w ww.j ava  2 s .  c  om*/
}

From source file:dyco4j.instrumentation.LoggingHelper.java

License:BSD License

public static void emitLogField(final MethodVisitor mv, final String fieldName, final Type fieldType,
        final Logger.FieldAction action) {
    final int _fieldSort = fieldType.getSort();
    if (_fieldSort == Type.LONG || _fieldSort == Type.DOUBLE) {
        mv.visitInsn(Opcodes.DUP2_X1);//from  w ww. ja v a2  s  . c  om
    } else {
        mv.visitInsn(Opcodes.DUP_X1);
    }

    emitConvertToString(mv, fieldType);
    mv.visitLdcInsn(fieldName);

    final Type _a = Type.getType(Logger.FieldAction.class);
    final String _name = action.toString();
    mv.visitFieldInsn(Opcodes.GETSTATIC, _a.getInternalName(), _name, _a.getDescriptor());
    emitInvokeLog(mv, LOG_FIELD);
}

From source file:edu.mit.streamjit.util.bytecode.MethodResolver.java

License:Open Source License

private void interpret(FieldInsnNode insn, FrameState frame, BBInfo block) {
    Klass k = getKlassByInternalName(insn.owner);
    Field f = k.getField(insn.name);
    switch (insn.getOpcode()) {
    case Opcodes.GETSTATIC:
        LoadInst li = new LoadInst(f);
        block.block.instructions().add(li);
        frame.stack.push(li);/*from w  w w.ja va2s. co m*/
        break;
    case Opcodes.GETFIELD:
        LoadInst li2 = new LoadInst(f, frame.stack.pop());
        block.block.instructions().add(li2);
        frame.stack.push(li2);
        break;
    case Opcodes.PUTSTATIC:
        StoreInst si = new StoreInst(f, frame.stack.pop());
        block.block.instructions().add(si);
        break;
    case Opcodes.PUTFIELD:
        StoreInst si2 = new StoreInst(f, frame.stack.pop(), frame.stack.pop());
        block.block.instructions().add(si2);
        break;
    default:
        throw new UnsupportedOperationException("" + insn.getOpcode());
    }
}

From source file:edu.mit.streamjit.util.bytecode.MethodUnresolver.java

License:Open Source License

private void emit(LoadInst i, InsnList insns) {
    Value location = i.getLocation();/*www. ja v  a  2 s  .c  o  m*/
    if (location instanceof LocalVariable) {
        load(location, insns);
        store(i, insns);
    } else {
        Field f = (Field) location;
        if (!f.isStatic())
            load(i.getInstance(), insns);
        insns.add(new FieldInsnNode(f.isStatic() ? Opcodes.GETSTATIC : Opcodes.GETFIELD,
                internalName(f.getParent()), f.getName(), f.getType().getFieldType().getDescriptor()));
        store(i, insns);
    }
}