Example usage for org.objectweb.asm Opcodes INVOKESTATIC

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

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Introduction

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

Prototype

int INVOKESTATIC

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

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Usage

From source file:com.google.gwt.jvm.asm.RewriteOverlayMethodDispatch.java

License:Apache License

@Override
public void visitMethodInsn(int opcode, String owner, String name, String desc) {
    if (overlayTypePredicate.isOverlayDesc(owner)) {
        //System.out.println(owner + "." + name);
        if (isConstructor(name)) {
            super.visitMethodInsn(opcode, owner + "$", name, desc);
        } else {/*from   w w  w .  j a v  a  2s  . c o  m*/
            boolean isStatic = isOpcode(opcode, Opcodes.ACC_STATIC);

            String newDescriptor = desc;
            if (!isStatic) {
                String overlayClass = overlayTypePredicate.getImplementingClass(owner, name, desc);
                newDescriptor = new Descriptor(desc).toDescPrefix(overlayClass);
            }
            super.visitMethodInsn(Opcodes.INVOKESTATIC, owner + "$", name, newDescriptor);
        }
    } else {
        super.visitMethodInsn(opcode, owner, name, desc);
    }
}

From source file:com.google.gwtorm.schema.sql.SqlByteArrayTypeInfo.java

License:Apache License

@Override
public void generatePreparedStatementSet(final CodeGenSupport cgs) {
    cgs.pushSqlHandle();/*from w  ww  .  j a v a2  s .  c o  m*/
    cgs.pushColumnIndex();
    cgs.pushFieldValue();
    cgs.mv.visitMethodInsn(Opcodes.INVOKESTATIC, Type.getInternalName(SqlByteArrayTypeInfo.class),
            "toPreparedStatement", Type.getMethodDescriptor(Type.VOID_TYPE, new Type[] {
                    Type.getType(PreparedStatement.class), Type.INT_TYPE, Type.getType(byte[].class) }));
}

From source file:com.google.gwtorm.schema.sql.SqlByteArrayTypeInfo.java

License:Apache License

@Override
public void generateResultSetGet(final CodeGenSupport cgs) {
    cgs.fieldSetBegin();//from w ww.  ja  v a 2  s  . c o  m
    cgs.pushSqlHandle();
    cgs.pushColumnIndex();
    cgs.mv.visitMethodInsn(Opcodes.INVOKESTATIC, Type.getInternalName(SqlByteArrayTypeInfo.class),
            "fromResultSet", Type.getMethodDescriptor(Type.getType(byte[].class),
                    new Type[] { Type.getType(ResultSet.class), Type.INT_TYPE }));
    cgs.fieldSetEnd();
}

From source file:com.google.gwtorm.schema.sql.SqlCharTypeInfo.java

License:Apache License

@Override
public void generatePreparedStatementSet(final CodeGenSupport cgs) {
    cgs.pushSqlHandle();//from  ww  w  . j  a  va  2s  .  c  o m
    cgs.pushColumnIndex();
    cgs.pushFieldValue();
    cgs.mv.visitMethodInsn(Opcodes.INVOKESTATIC, Type.getInternalName(Character.class), "toString",
            Type.getMethodDescriptor(Type.getType(String.class), new Type[] { Type.CHAR_TYPE }));
    cgs.invokePreparedStatementSet(getJavaSqlTypeAlias());
}

From source file:com.google.gwtorm.schema.sql.SqlStringTypeInfo.java

License:Apache License

@Override
public void generatePreparedStatementSet(final CodeGenSupport cgs) {
    if (cgs.getFieldReference().getColumnAnnotation().length() <= 255) {
        super.generatePreparedStatementSet(cgs);
    } else {/*  www .  j  ava2  s  .com*/
        cgs.pushSqlHandle();
        cgs.pushColumnIndex();
        cgs.pushFieldValue();
        cgs.mv.visitMethodInsn(Opcodes.INVOKESTATIC, Type.getInternalName(SqlStringTypeInfo.class),
                "toPreparedStatement", Type.getMethodDescriptor(Type.VOID_TYPE, new Type[] {
                        Type.getType(PreparedStatement.class), Type.INT_TYPE, Type.getType(String.class) }));
    }
}

From source file:com.google.gwtorm.schema.sql.SqlStringTypeInfo.java

License:Apache License

@Override
public void generateResultSetGet(final CodeGenSupport cgs) {
    if (cgs.getFieldReference().getColumnAnnotation().length() <= 255) {
        super.generateResultSetGet(cgs);
    } else {// w  w w .jav a  2 s .  c om
        cgs.fieldSetBegin();
        cgs.pushSqlHandle();
        cgs.pushColumnIndex();
        cgs.mv.visitMethodInsn(Opcodes.INVOKESTATIC, Type.getInternalName(SqlStringTypeInfo.class),
                "fromResultSet", Type.getMethodDescriptor(Type.getType(String.class),
                        new Type[] { Type.getType(ResultSet.class), Type.INT_TYPE }));
        cgs.fieldSetEnd();
    }
}

From source file:com.google.monitoring.runtime.instrumentation.adapters.AllocationMethodAdapter.java

License:Apache License

/**
 * Reflection-based allocation (@see java.lang.reflect.Array#newInstance) is
 * triggered with a static method call (INVOKESTATIC), so we hook it here.
 * Class initialization is triggered with a constructor call (INVOKESPECIAL)
 * so we hook that here too as a proxy for the new bytecode which leaves an
 * uninitialized object on the stack that we're not allowed to touch.
 * {@link java.lang.Object#clone} is also a call to INVOKESPECIAL,
 * and is hooked here.  {@link java.lang.Class#newInstance} and
 * {@link java.lang.reflect.Constructor#newInstance} are both
 * INVOKEVIRTUAL calls, so they are hooked here, as well.
 */// w w  w.  j a va  2s.c o  m
@Override
public void visitMethodInsn(final int opcode, final String owner, final String name, final String signature,
        final boolean itf) {
    if (opcode == Opcodes.INVOKESTATIC &&
    // Array does its own native allocation.  Grr.
            owner.equals("java/lang/reflect/Array") && name.equals("newInstance")) {
        if (signature.equals("(Ljava/lang/Class;I)Ljava/lang/Object;")) {

            final Label beginScopeLabel = new Label();
            final Label endScopeLabel = new Label();
            super.visitLabel(beginScopeLabel);

            // stack: ... class count
            final int countIndex = newLocal("I", beginScopeLabel, endScopeLabel);
            super.visitVarInsn(Opcodes.ISTORE, countIndex);
            // -> stack: ... class
            pushClassNameOnStack();
            // -> stack: ... class className
            final int typeNameIndex = newLocal("Ljava/lang/String;", beginScopeLabel, endScopeLabel);
            super.visitVarInsn(Opcodes.ASTORE, typeNameIndex);
            // -> stack: ... class
            super.visitVarInsn(Opcodes.ILOAD, countIndex);
            // -> stack: ... class count
            super.visitMethodInsn(opcode, owner, name, signature, itf);
            // -> stack: ... newobj
            super.visitInsn(Opcodes.DUP);
            // -> stack: ... newobj newobj
            super.visitVarInsn(Opcodes.ILOAD, countIndex);
            // -> stack: ... newobj newobj count
            super.visitInsn(Opcodes.SWAP);
            // -> stack: ... newobj count newobj
            super.visitVarInsn(Opcodes.ALOAD, typeNameIndex);
            super.visitLabel(endScopeLabel);
            // -> stack: ... newobj count newobj className
            super.visitInsn(Opcodes.SWAP);
            // -> stack: ... newobj count className newobj
            super.visitMethodInsn(Opcodes.INVOKESTATIC, recorderClass, recorderMethod, RECORDER_SIGNATURE,
                    false);
            // -> stack: ... newobj
            return;
        } else if (signature.equals("(Ljava/lang/Class;[I)Ljava/lang/Object;")) {
            final Label beginScopeLabel = new Label();
            final Label endScopeLabel = new Label();
            super.visitLabel(beginScopeLabel);

            final int dimsArrayIndex = newLocal("[I", beginScopeLabel, endScopeLabel);
            // stack: ... class dimsArray
            pushProductOfIntArrayOnStack();
            // -> stack: ... class dimsArray product
            final int productIndex = newLocal("I", beginScopeLabel, endScopeLabel);
            super.visitVarInsn(Opcodes.ISTORE, productIndex);
            // -> stack: ... class dimsArray

            super.visitVarInsn(Opcodes.ASTORE, dimsArrayIndex);
            // -> stack: ... class
            pushClassNameOnStack();
            // -> stack: ... class className
            final int typeNameIndex = newLocal("Ljava/lang/String;", beginScopeLabel, endScopeLabel);
            super.visitVarInsn(Opcodes.ASTORE, typeNameIndex);
            // -> stack: ... class
            super.visitVarInsn(Opcodes.ALOAD, dimsArrayIndex);
            // -> stack: ... class dimsArray
            super.visitMethodInsn(opcode, owner, name, signature, itf);
            // -> stack: ... newobj

            super.visitInsn(Opcodes.DUP);
            // -> stack: ... newobj newobj
            super.visitVarInsn(Opcodes.ILOAD, productIndex);
            // -> stack: ... newobj newobj product
            super.visitInsn(Opcodes.SWAP);
            // -> stack: ... newobj product newobj
            super.visitVarInsn(Opcodes.ALOAD, typeNameIndex);
            super.visitLabel(endScopeLabel);
            // -> stack: ... newobj product newobj className
            super.visitInsn(Opcodes.SWAP);
            // -> stack: ... newobj product className newobj
            super.visitMethodInsn(Opcodes.INVOKESTATIC, recorderClass, recorderMethod, RECORDER_SIGNATURE,
                    false);
            // -> stack: ... newobj
            return;
        }
    }

    if (opcode == Opcodes.INVOKEVIRTUAL) {
        if ("clone".equals(name) && owner.startsWith("[")) {
            super.visitMethodInsn(opcode, owner, name, signature, itf);

            int i = 0;
            while (i < owner.length()) {
                if (owner.charAt(i) != '[') {
                    break;
                }
                i++;
            }
            if (i > 1) {
                // -> stack: ... newobj
                super.visitTypeInsn(Opcodes.CHECKCAST, owner);
                // -> stack: ... arrayref
                calculateArrayLengthAndDispatch(owner.substring(i), i);
            } else {
                // -> stack: ... newobj
                super.visitInsn(Opcodes.DUP);
                // -> stack: ... newobj newobj
                super.visitTypeInsn(Opcodes.CHECKCAST, owner);
                // -> stack: ... newobj arrayref
                super.visitInsn(Opcodes.ARRAYLENGTH);
                // -> stack: ... newobj length
                super.visitInsn(Opcodes.SWAP);
                // -> stack: ... length newobj
                invokeRecordAllocation(owner.substring(i));
            }
            return;
        } else if ("newInstance".equals(name)) {
            if ("java/lang/Class".equals(owner) && "()Ljava/lang/Object;".equals(signature)) {
                super.visitInsn(Opcodes.DUP);
                // -> stack: ... Class Class
                super.visitMethodInsn(opcode, owner, name, signature, itf);
                // -> stack: ... Class newobj
                super.visitInsn(Opcodes.DUP_X1);
                // -> stack: ... newobj Class newobj
                super.visitMethodInsn(Opcodes.INVOKESTATIC, recorderClass, recorderMethod, CLASS_RECORDER_SIG,
                        false);
                // -> stack: ... newobj
                return;
            } else if ("java/lang/reflect/Constructor".equals(owner)
                    && "([Ljava/lang/Object;)Ljava/lang/Object;".equals(signature)) {
                buildRecorderFromObject(opcode, owner, name, signature, itf);
                return;
            }
        }
    }

    if (opcode == Opcodes.INVOKESPECIAL) {
        if ("clone".equals(name) && "java/lang/Object".equals(owner)) {
            buildRecorderFromObject(opcode, owner, name, signature, itf);
            return;
        } else if ("<init>".equals(name) && outstandingAllocs > 0) {
            // Tricky because superclass initializers mean there can be more calls
            // to <init> than calls to NEW; hence outstandingAllocs.
            --outstandingAllocs;

            // Most of the time (i.e. in bytecode generated by javac) it is the case
            // that following an <init> call the top of the stack has a reference ot
            // the newly-initialized object.  But nothing in the JVM Spec requires
            // this, so we need to play games with the stack to make an explicit
            // extra copy (and then discard it).

            dupStackElementBeforeSignatureArgs(signature);
            super.visitMethodInsn(opcode, owner, name, signature, itf);
            super.visitLdcInsn(-1);
            super.visitInsn(Opcodes.SWAP);
            invokeRecordAllocation(owner);
            super.visitInsn(Opcodes.POP);
            return;
        }
    }

    super.visitMethodInsn(opcode, owner, name, signature, itf);
}

From source file:com.google.monitoring.runtime.instrumentation.adapters.AllocationMethodAdapter.java

License:Apache License

private void buildRecorderFromObject(final int opcode, final String owner, final String name,
        final String signature, final boolean itf) {
    super.visitMethodInsn(opcode, owner, name, signature, itf);
    // -> stack: ... newobj
    super.visitInsn(Opcodes.DUP);
    // -> stack: ... newobj newobj
    super.visitInsn(Opcodes.DUP);
    // -> stack: ... newobj newobj newobj
    // We could be instantiating this class or a subclass, so we
    // have to get the class the hard way.
    super.visitMethodInsn(Opcodes.INVOKEVIRTUAL, "java/lang/Object", "getClass", "()Ljava/lang/Class;", false);
    // -> stack: ... newobj newobj Class
    super.visitInsn(Opcodes.SWAP);
    // -> stack: ... newobj Class newobj
    super.visitMethodInsn(Opcodes.INVOKESTATIC, recorderClass, recorderMethod, CLASS_RECORDER_SIG, false);
    // -> stack: ... newobj
}

From source file:com.google.monitoring.runtime.instrumentation.adapters.AllocationMethodAdapter.java

License:Apache License

private void invokeRecordAllocation(String typeName) {
    final Matcher matcher = namePattern.matcher(typeName);
    if (matcher.find()) {
        typeName = matcher.group(1);/*from   w  w  w.j  av  a 2s  . c om*/
    }
    // stack: ... count newobj
    super.visitInsn(Opcodes.DUP_X1);
    // -> stack: ... newobj count newobj
    super.visitLdcInsn(typeName);
    // -> stack: ... newobj count newobj typename
    super.visitInsn(Opcodes.SWAP);
    // -> stack: ... newobj count typename newobj
    super.visitMethodInsn(Opcodes.INVOKESTATIC, recorderClass, recorderMethod, RECORDER_SIGNATURE, false);
    // -> stack: ... newobj
}

From source file:com.google.monitoring.runtime.instrumentation.adapters.EscapeMethodAdapter.java

License:Apache License

private void invokeStart() {
    super.visitMethodInsn(Opcodes.INVOKESTATIC, CLASS_PATH, "start", START_SIGNATURE, false);
}