Example usage for org.objectweb.asm Opcodes PUTSTATIC

Introduction

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

Prototype

int PUTSTATIC

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

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Usage

From source file:com.yahoo.yqlplus.engine.internal.bytecode.DynamicBootstrapUnit.java

public void init() {
    ProgramValueTypeAdapter types = environment.getValueTypeAdapter();
    BytecodeExpression classSource = types.constant(getEnvironment());
    TypeWidget dynamicLinker = types.adaptInternal(DynamicLinker.class);
    FieldDefinition field = createField(dynamicLinker, "bootstrap");
    field.addModifier(Opcodes.ACC_STATIC | Opcodes.ACC_FINAL);
    MethodGenerator sl = createMethod("<clinit>");
    sl.setModifier(Opcodes.ACC_STATIC);//from   www.ja v a2  s  .c  o  m
    sl.add(classSource);
    sl.add(new BytecodeSequence() {
        @Override
        public void generate(CodeEmitter code) {
            final MethodVisitor mv = code.getMethodVisitor();
            mv.visitMethodInsn(Opcodes.INVOKESTATIC, Type.getInternalName(Dynamic.class), "createDynamicLinker",
                    MethodType.methodType(DynamicLinker.class, ASMClassSource.class).toMethodDescriptorString(),
                    false);
            mv.visitFieldInsn(Opcodes.PUTSTATIC, Dynamic.DYNAMIC_INTERNAL_NAME, "bootstrap",
                    Type.getDescriptor(DynamicLinker.class));
            mv.visitInsn(Opcodes.RETURN);

        }
    });

    MethodGenerator mgen = createStaticMethod(Dynamic.DYNAMIC_BOOTSTRAP_METHOD);
    TypeWidget callSite = types.adaptInternal(CallSite.class);
    TypeWidget lookup = types.adaptInternal(MethodHandles.Lookup.class);
    TypeWidget methodType = types.adaptInternal(MethodType.class);
    mgen.setReturnType(callSite);
    AssignableValue lu = mgen.addArgument("lookup", lookup);
    AssignableValue name = mgen.addArgument("name", BaseTypeAdapter.STRING);
    AssignableValue sig = mgen.addArgument("sig", methodType);
    final String desc = MethodType.methodType(CallSite.class, // ...that will return a CallSite object, ...
            MethodHandles.Lookup.class, // ... when given a lookup object, ...
            String.class, // ... the operation name, ...
            MethodType.class, // ... and the signature at the call site.
            DynamicLinker.class).toMethodDescriptorString();

    mgen.add(lu.read());
    mgen.add(name.read());
    mgen.add(sig.read());

    mgen.add(new BytecodeSequence() {
        @Override
        public void generate(CodeEmitter code) {
            final MethodVisitor mv = code.getMethodVisitor();
            mv.visitFieldInsn(Opcodes.GETSTATIC, Dynamic.DYNAMIC_INTERNAL_NAME, "bootstrap",
                    Type.getDescriptor(DynamicLinker.class));
            mv.visitMethodInsn(Opcodes.INVOKESTATIC, Type.getInternalName(Dynamic.class), "link", desc, false);
            mv.visitInsn(Opcodes.ARETURN);
        }
    });

}

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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 a va  2s  .co  m*/
    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 ww w  .  j  a  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: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. java 2s .  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);
            }//w  w w.  ja  v a 2  s  .  c o  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: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);// ww w  . java 2 s .c  o  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(StoreInst i, InsnList insns) {
    Value location = i.getLocation();// ww  w .j a va  2 s  .co  m
    if (location instanceof LocalVariable) {
        load(i.getData(), insns);
        store(location, insns);
    } else {
        Field f = (Field) location;
        if (!f.isStatic())
            load(i.getInstance(), insns);
        load(i.getData(), insns);
        insns.add(new FieldInsnNode(f.isStatic() ? Opcodes.PUTSTATIC : Opcodes.PUTFIELD,
                internalName(f.getParent()), f.getName(), f.getType().getFieldType().getDescriptor()));
    }
}

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From source file:edu.ubc.mirrors.holograms.HologramMethodGenerator.java

License:Open Source License

@Override
public void visitFieldInsn(int opcode, String owner, String name, String desc) {
    boolean isSet = (opcode == Opcodes.PUTFIELD || opcode == Opcodes.PUTSTATIC);
    boolean isStatic = (opcode == Opcodes.GETSTATIC || opcode == Opcodes.PUTSTATIC);

    Type fieldType = Type.getType(desc);
    int setValueLocal = -1;

    if (isStatic) {
        // For a static field the instance is null
        if (isSet) {
            setValueLocal = lvs.newLocal(fieldType);
            store(setValueLocal, fieldType);
        }//from w  w  w .j  a  va  2  s. com
        aconst(null);
        if (isSet) {
            load(setValueLocal, fieldType);
        }
    } else {
        // If this is an "uninitialized this", the mirror is the nth argument instead
        // of the mirror field on ObjectHologram.
        Object stackType = stackType(isSet ? 1 : 0);
        if (stackType == Opcodes.UNINITIALIZED_THIS) {
            // Pop the original argument
            if (isSet) {
                setValueLocal = lvs.newLocal(fieldType);
                store(setValueLocal, fieldType);
            }

            pop();
            load((methodType.getArgumentsAndReturnSizes() >> 2) - 1, instanceMirrorType);

            MethodHandle.OBJECT_HOLOGRAM_MAKE.invoke(this);

            if (isSet) {
                load(setValueLocal, fieldType);
            }
        }
    }

    getClassMirror(Type.getObjectType(owner));
    aconst(name);

    Type fieldTypeForMirrorCall = fieldType;
    int fieldSort = fieldType.getSort();
    String suffix = "";
    if (fieldSort == Type.ARRAY || fieldSort == Type.OBJECT) {
        fieldTypeForMirrorCall = hologramType;
    } else {
        suffix = HologramClassGenerator.getSortName(fieldSort);
    }

    // Call the appropriate getter/setter method on the mirror
    String methodDesc;
    if (isSet) {
        methodDesc = Type.getMethodDescriptor(Type.VOID_TYPE, hologramType, fieldTypeForMirrorCall,
                classMirrorType, stringType);
    } else {
        methodDesc = Type.getMethodDescriptor(fieldTypeForMirrorCall, hologramType, classMirrorType,
                stringType);
    }
    invokestatic(instanceHologramType.getInternalName(), (isSet ? "set" : "get") + suffix + "Field",
            methodDesc);

    if (!isSet && fieldTypeForMirrorCall.equals(hologramType)) {
        checkcast(fieldType);
    }
}

---

From source file:edu.umd.cs.findbugs.ba.XFactory.java

License:Open Source License

public static XField createReferencedXField(DismantleBytecode visitor) {
    int seen = visitor.getOpcode();
    if (seen != Opcodes.GETFIELD && seen != Opcodes.GETSTATIC && seen != Opcodes.PUTFIELD
            && seen != Opcodes.PUTSTATIC) {
        throw new IllegalArgumentException("Not at a field reference");
    }/*from  ww w .j  a  v  a2 s . c  om*/
    return createXFieldUsingSlashedClassName(visitor.getClassConstantOperand(),
            visitor.getNameConstantOperand(), visitor.getSigConstantOperand(), visitor.getRefFieldIsStatic());
}

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From source file:edu.umd.cs.guitar.testcase.plugin.edg.ClassDBVisitor.java

License:Open Source License

@Override
public void visitFieldInsn(int opcode, String owner, String name, String desc) {
    currentMethod.setEmpty(false);//from   www  . j  a  v a 2 s.  co  m
    Class c;
    Field f;
    switch (opcode) {
    case Opcodes.GETFIELD:
    case Opcodes.GETSTATIC:
        c = getClass(owner);
        f = getField(c, name);
        f.setDesc(desc);
        // read after write is not a real read
        // if (!currentMethod.hasWrite(f)){
        currentMethod.addRead(f);
        labelReads.add(f);
        // }
        break;
    case Opcodes.PUTFIELD:
    case Opcodes.PUTSTATIC:
        c = getClass(owner);
        f = getField(c, name);
        f.setDesc(desc);
        currentMethod.addWrite(f);
        labelWrites.add(f);
        break;
    }
}

---

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