Example usage for org.objectweb.asm Opcodes DLOAD

Introduction

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

Prototype

int DLOAD

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

Click Source Link

Usage

From source file:scouter.agent.asm.CapReturnASM.java

License:Apache License

private void capReturn() {
    Type tp = returnType;//from ww w  . ja  va 2 s  .  c  om

    if (tp == null || tp.equals(Type.VOID_TYPE)) {
        pushCommon();
        mv.visitInsn(ACONST_NULL);
        mv.visitMethodInsn(Opcodes.INVOKESTATIC, CLASS, METHOD, SIGNATURE, false);
        return;
    }
    int i = newLocal(tp);
    switch (tp.getSort()) {
    case Type.BOOLEAN:
        mv.visitVarInsn(Opcodes.ISTORE, i);
        mv.visitVarInsn(Opcodes.ILOAD, i);

        pushCommon();
        mv.visitVarInsn(Opcodes.ILOAD, i);
        mv.visitMethodInsn(Opcodes.INVOKESTATIC, "java/lang/Boolean", "valueOf", "(Z)Ljava/lang/Boolean;",
                false);
        break;
    case Type.BYTE:
        mv.visitVarInsn(Opcodes.ISTORE, i);
        mv.visitVarInsn(Opcodes.ILOAD, i);

        pushCommon();
        mv.visitVarInsn(Opcodes.ILOAD, i);
        mv.visitMethodInsn(Opcodes.INVOKESTATIC, "java/lang/Byte", "valueOf", "(B)Ljava/lang/Byte;", false);
        break;
    case Type.CHAR:
        mv.visitVarInsn(Opcodes.ISTORE, i);
        mv.visitVarInsn(Opcodes.ILOAD, i);

        pushCommon();
        mv.visitVarInsn(Opcodes.ILOAD, i);
        mv.visitMethodInsn(Opcodes.INVOKESTATIC, "java/lang/Character", "valueOf", "(C)Ljava/lang/Character;",
                false);
        break;
    case Type.SHORT:
        mv.visitVarInsn(Opcodes.ISTORE, i);
        mv.visitVarInsn(Opcodes.ILOAD, i);

        pushCommon();
        mv.visitVarInsn(Opcodes.ILOAD, i);
        mv.visitMethodInsn(Opcodes.INVOKESTATIC, "java/lang/Short", "valueOf", "(S)Ljava/lang/Short;", false);
        break;
    case Type.INT:
        mv.visitVarInsn(Opcodes.ISTORE, i);
        mv.visitVarInsn(Opcodes.ILOAD, i);

        pushCommon();
        mv.visitVarInsn(Opcodes.ILOAD, i);
        mv.visitMethodInsn(Opcodes.INVOKESTATIC, "java/lang/Integer", "valueOf", "(I)Ljava/lang/Integer;",
                false);
        break;
    case Type.LONG:
        mv.visitVarInsn(Opcodes.LSTORE, i);
        mv.visitVarInsn(Opcodes.LLOAD, i);

        pushCommon();
        mv.visitVarInsn(Opcodes.LLOAD, i);
        mv.visitMethodInsn(Opcodes.INVOKESTATIC, "java/lang/Long", "valueOf", "(J)Ljava/lang/Long;", false);
        break;
    case Type.FLOAT:
        mv.visitVarInsn(Opcodes.FSTORE, i);
        mv.visitVarInsn(Opcodes.FLOAD, i);

        pushCommon();
        mv.visitVarInsn(Opcodes.FLOAD, i);

        mv.visitMethodInsn(Opcodes.INVOKESTATIC, "java/lang/Float", "valueOf", "(F)Ljava/lang/Float;", false);
        break;
    case Type.DOUBLE:
        mv.visitVarInsn(Opcodes.DSTORE, i);
        mv.visitVarInsn(Opcodes.DLOAD, i);

        pushCommon();
        mv.visitVarInsn(Opcodes.DLOAD, i);
        mv.visitMethodInsn(Opcodes.INVOKESTATIC, "java/lang/Double", "valueOf", "(D)Ljava/lang/Double;", false);
        break;
    default:
        mv.visitVarInsn(Opcodes.ASTORE, i);
        mv.visitVarInsn(Opcodes.ALOAD, i);

        pushCommon();
        mv.visitVarInsn(Opcodes.ALOAD, i);
    }

    mv.visitMethodInsn(Opcodes.INVOKESTATIC, CLASS, METHOD, SIGNATURE, false);
}

---

From source file:scouter.agent.asm.jdbc.PsSetMV.java

License:Apache License

public void visitCode() {
    mv.visitVarInsn(Opcodes.ALOAD, 0);//from   w w  w  .  ja  va 2 s  .co m
    mv.visitFieldInsn(GETFIELD, owner, TraceSQL.PSTMT_PARAM_FIELD, "Lscouter/agent/trace/SqlParameter;");
    mv.visitVarInsn(Opcodes.ILOAD, 1);

    if (name.equals("setNull")) {
        AsmUtil.PUSH(mv, (String) null);
        mv.visitMethodInsn(Opcodes.INVOKESTATIC, TRACESQL, "set",
                "(Lscouter/agent/trace/SqlParameter;ILjava/lang/String;)V", false);
    } else {
        Type tp = args[1];
        switch (tp.getSort()) {
        case Type.BOOLEAN:
            mv.visitVarInsn(Opcodes.ILOAD, 2);
            mv.visitMethodInsn(Opcodes.INVOKESTATIC, TRACESQL, "set", "(Lscouter/agent/trace/SqlParameter;IZ)V",
                    false);
            break;
        case Type.CHAR:
        case Type.BYTE:
        case Type.SHORT:
        case Type.INT:
            mv.visitVarInsn(Opcodes.ILOAD, 2);
            mv.visitMethodInsn(Opcodes.INVOKESTATIC, TRACESQL, "set", "(Lscouter/agent/trace/SqlParameter;II)V",
                    false);
            break;
        case Type.LONG:
            mv.visitVarInsn(Opcodes.LLOAD, 2);
            mv.visitMethodInsn(Opcodes.INVOKESTATIC, TRACESQL, "set", "(Lscouter/agent/trace/SqlParameter;IJ)V",
                    false);
            break;
        case Type.FLOAT:
            mv.visitVarInsn(Opcodes.FLOAD, 2);
            mv.visitMethodInsn(Opcodes.INVOKESTATIC, TRACESQL, "set", "(Lscouter/agent/trace/SqlParameter;IF)V",
                    false);
            break;
        case Type.DOUBLE:
            mv.visitVarInsn(Opcodes.DLOAD, 2);
            mv.visitMethodInsn(Opcodes.INVOKESTATIC, TRACESQL, "set", "(Lscouter/agent/trace/SqlParameter;ID)V",
                    false);
            break;
        case Type.ARRAY:
        case Type.OBJECT:
            mv.visitVarInsn(Opcodes.ALOAD, 2);
            if (tp.equals(AsmUtil.stringType)) {
                mv.visitMethodInsn(Opcodes.INVOKESTATIC, TRACESQL, "set",
                        "(Lscouter/agent/trace/SqlParameter;ILjava/lang/String;)V", false);
            } else {
                mv.visitMethodInsn(Opcodes.INVOKESTATIC, TRACESQL, "set",
                        "(Lscouter/agent/trace/SqlParameter;ILjava/lang/Object;)V", false);
            }
            break;
        default:
            mv.visitVarInsn(Opcodes.ALOAD, 2);
            AsmUtil.PUSH(mv, "unknown " + tp);
            mv.visitMethodInsn(Opcodes.INVOKESTATIC, TRACESQL, "set",
                    "(Lscouter/agent/trace/SqlParameter;ILjava/lang/String;)V", false);
            break;
        }
    }

    super.visitCode();
}

---

From source file:scouter.agent.asm.JspServletASM.java

License:Apache License

@Override
public void visitCode() {

    int sidx = isStatic ? 0 : 1;

    int arrVarIdx = newLocal(Type.getType("[Ljava/lang/Object;"));
    AsmUtil.PUSH(mv, paramTypes.length);
    mv.visitTypeInsn(Opcodes.ANEWARRAY, "java/lang/Object");
    mv.visitVarInsn(Opcodes.ASTORE, arrVarIdx);

    for (int i = 0; i < paramTypes.length; i++) {
        Type tp = paramTypes[i];/*from ww  w . ja v  a  2s .c o m*/
        mv.visitVarInsn(Opcodes.ALOAD, arrVarIdx);
        AsmUtil.PUSH(mv, i);

        switch (tp.getSort()) {
        case Type.BOOLEAN:
            mv.visitVarInsn(Opcodes.ILOAD, sidx);
            mv.visitMethodInsn(Opcodes.INVOKESTATIC, "java/lang/Boolean", "valueOf", "(Z)Ljava/lang/Boolean;",
                    false);
            break;
        case Type.BYTE:
            mv.visitVarInsn(Opcodes.ILOAD, sidx);
            mv.visitMethodInsn(Opcodes.INVOKESTATIC, "java/lang/Byte", "valueOf", "(B)Ljava/lang/Byte;", false);
            break;
        case Type.CHAR:
            mv.visitVarInsn(Opcodes.ILOAD, sidx);
            mv.visitMethodInsn(Opcodes.INVOKESTATIC, "java/lang/Character", "valueOf",
                    "(C)Ljava/lang/Character;", false);
            break;
        case Type.SHORT:
            mv.visitVarInsn(Opcodes.ILOAD, sidx);
            mv.visitMethodInsn(Opcodes.INVOKESTATIC, "java/lang/Short", "valueOf", "(S)Ljava/lang/Short;",
                    false);
            break;
        case Type.INT:
            mv.visitVarInsn(Opcodes.ILOAD, sidx);
            mv.visitMethodInsn(Opcodes.INVOKESTATIC, "java/lang/Integer", "valueOf", "(I)Ljava/lang/Integer;",
                    false);
            break;
        case Type.LONG:
            mv.visitVarInsn(Opcodes.LLOAD, sidx);
            mv.visitMethodInsn(Opcodes.INVOKESTATIC, "java/lang/Long", "valueOf", "(J)Ljava/lang/Long;", false);
            break;
        case Type.FLOAT:
            mv.visitVarInsn(Opcodes.FLOAD, sidx);
            mv.visitMethodInsn(Opcodes.INVOKESTATIC, "java/lang/Float", "valueOf", "(F)Ljava/lang/Float;",
                    false);
            break;
        case Type.DOUBLE:
            mv.visitVarInsn(Opcodes.DLOAD, sidx);
            mv.visitMethodInsn(Opcodes.INVOKESTATIC, "java/lang/Double", "valueOf", "(D)Ljava/lang/Double;",
                    false);
            break;
        default:
            mv.visitVarInsn(Opcodes.ALOAD, sidx);
        }
        mv.visitInsn(Opcodes.AASTORE);
        sidx += tp.getSize();
    }
    mv.visitVarInsn(Opcodes.ALOAD, arrVarIdx);

    mv.visitMethodInsn(Opcodes.INVOKESTATIC, CLASS, METHOD, SIGNATURE, false);
    super.visitCode();
}

---

From source file:scouter.agent.asm.ServiceASM.java

License:Apache License

@Override
public void visitCode() {
    int sidx = isStatic ? 0 : 1;
    if (strArgIdx >= 0) {
        mv.visitVarInsn(Opcodes.ALOAD, strArgIdx);
    } else {/* w  w w.  ja v  a2  s . co  m*/
        AsmUtil.PUSH(mv, fullname);
    }

    int arrVarIdx = newLocal(Type.getType("[Ljava/lang/Object;"));
    AsmUtil.PUSH(mv, paramTypes.length);
    mv.visitTypeInsn(Opcodes.ANEWARRAY, "java/lang/Object");
    mv.visitVarInsn(Opcodes.ASTORE, arrVarIdx);

    for (int i = 0; i < paramTypes.length; i++) {
        Type tp = paramTypes[i];
        mv.visitVarInsn(Opcodes.ALOAD, arrVarIdx);
        AsmUtil.PUSH(mv, i);

        switch (tp.getSort()) {
        case Type.BOOLEAN:
            mv.visitVarInsn(Opcodes.ILOAD, sidx);
            mv.visitMethodInsn(Opcodes.INVOKESTATIC, "java/lang/Boolean", "valueOf", "(Z)Ljava/lang/Boolean;",
                    false);
            break;
        case Type.BYTE:
            mv.visitVarInsn(Opcodes.ILOAD, sidx);
            mv.visitMethodInsn(Opcodes.INVOKESTATIC, "java/lang/Byte", "valueOf", "(B)Ljava/lang/Byte;", false);
            break;
        case Type.CHAR:
            mv.visitVarInsn(Opcodes.ILOAD, sidx);
            mv.visitMethodInsn(Opcodes.INVOKESTATIC, "java/lang/Character", "valueOf",
                    "(C)Ljava/lang/Character;", false);
            break;
        case Type.SHORT:
            mv.visitVarInsn(Opcodes.ILOAD, sidx);
            mv.visitMethodInsn(Opcodes.INVOKESTATIC, "java/lang/Short", "valueOf", "(S)Ljava/lang/Short;",
                    false);
            break;
        case Type.INT:
            mv.visitVarInsn(Opcodes.ILOAD, sidx);
            mv.visitMethodInsn(Opcodes.INVOKESTATIC, "java/lang/Integer", "valueOf", "(I)Ljava/lang/Integer;",
                    false);
            break;
        case Type.LONG:
            mv.visitVarInsn(Opcodes.LLOAD, sidx);
            mv.visitMethodInsn(Opcodes.INVOKESTATIC, "java/lang/Long", "valueOf", "(J)Ljava/lang/Long;", false);
            break;
        case Type.FLOAT:
            mv.visitVarInsn(Opcodes.FLOAD, sidx);
            mv.visitMethodInsn(Opcodes.INVOKESTATIC, "java/lang/Float", "valueOf", "(F)Ljava/lang/Float;",
                    false);
            break;
        case Type.DOUBLE:
            mv.visitVarInsn(Opcodes.DLOAD, sidx);
            mv.visitMethodInsn(Opcodes.INVOKESTATIC, "java/lang/Double", "valueOf", "(D)Ljava/lang/Double;",
                    false);
            break;
        default:
            mv.visitVarInsn(Opcodes.ALOAD, sidx);
        }
        mv.visitInsn(Opcodes.AASTORE);
        sidx += tp.getSize();
    }

    AsmUtil.PUSH(mv, className);
    AsmUtil.PUSH(mv, methodName);
    AsmUtil.PUSH(mv, methodDesc);

    if (isStatic) {
        AsmUtil.PUSHNULL(mv);
    } else {
        mv.visitVarInsn(Opcodes.ALOAD, 0);
    }
    mv.visitVarInsn(Opcodes.ALOAD, arrVarIdx);

    AsmUtil.PUSH(mv, xType);
    mv.visitMethodInsn(Opcodes.INVOKESTATIC, TRACEMAIN, START_METHOD, START_SIGNATURE, false);

    statIdx = newLocal(Type.getType(Object.class));
    mv.visitVarInsn(Opcodes.ASTORE, statIdx);
    mv.visitLabel(startFinally);
    mv.visitCode();
}

---

From source file:scouter.agent.asm.ServiceASM.java

License:Apache License

private void capReturn() {
    Type tp = returnType;//from www  .  ja v  a2s  . co  m

    if (tp == null || tp.equals(Type.VOID_TYPE)) {

        mv.visitVarInsn(Opcodes.ALOAD, statIdx);
        mv.visitInsn(Opcodes.ACONST_NULL);
        mv.visitInsn(Opcodes.ACONST_NULL);
        mv.visitMethodInsn(Opcodes.INVOKESTATIC, TRACEMAIN, END_METHOD, END_SIGNATURE, false);
        return;
    }
    int i = newLocal(tp);
    switch (tp.getSort()) {
    case Type.BOOLEAN:
        mv.visitVarInsn(Opcodes.ISTORE, i);
        mv.visitVarInsn(Opcodes.ILOAD, i);

        mv.visitVarInsn(Opcodes.ALOAD, statIdx);// stat
        mv.visitVarInsn(Opcodes.ILOAD, i);
        mv.visitMethodInsn(Opcodes.INVOKESTATIC, "java/lang/Boolean", "valueOf", "(Z)Ljava/lang/Boolean;",
                false);
        mv.visitInsn(Opcodes.ACONST_NULL);// throwable
        break;
    case Type.BYTE:
        mv.visitVarInsn(Opcodes.ISTORE, i);
        mv.visitVarInsn(Opcodes.ILOAD, i);

        mv.visitVarInsn(Opcodes.ALOAD, statIdx);// stat
        mv.visitVarInsn(Opcodes.ILOAD, i);
        mv.visitMethodInsn(Opcodes.INVOKESTATIC, "java/lang/Byte", "valueOf", "(B)Ljava/lang/Byte;", false);
        mv.visitInsn(Opcodes.ACONST_NULL);// throwable
        break;
    case Type.CHAR:
        mv.visitVarInsn(Opcodes.ISTORE, i);
        mv.visitVarInsn(Opcodes.ILOAD, i);

        mv.visitVarInsn(Opcodes.ALOAD, statIdx);// stat
        mv.visitVarInsn(Opcodes.ILOAD, i);
        mv.visitMethodInsn(Opcodes.INVOKESTATIC, "java/lang/Character", "valueOf", "(C)Ljava/lang/Character;",
                false);
        mv.visitInsn(Opcodes.ACONST_NULL);// throwable
        break;
    case Type.SHORT:
        mv.visitVarInsn(Opcodes.ISTORE, i);
        mv.visitVarInsn(Opcodes.ILOAD, i);

        mv.visitVarInsn(Opcodes.ALOAD, statIdx);// stat
        mv.visitVarInsn(Opcodes.ILOAD, i);
        mv.visitMethodInsn(Opcodes.INVOKESTATIC, "java/lang/Short", "valueOf", "(S)Ljava/lang/Short;", false);
        mv.visitInsn(Opcodes.ACONST_NULL);// throwable
        break;
    case Type.INT:
        mv.visitVarInsn(Opcodes.ISTORE, i);
        mv.visitVarInsn(Opcodes.ILOAD, i);

        mv.visitVarInsn(Opcodes.ALOAD, statIdx);// stat
        mv.visitVarInsn(Opcodes.ILOAD, i);
        mv.visitMethodInsn(Opcodes.INVOKESTATIC, "java/lang/Integer", "valueOf", "(I)Ljava/lang/Integer;",
                false);
        mv.visitInsn(Opcodes.ACONST_NULL);// throwable
        break;
    case Type.LONG:
        mv.visitVarInsn(Opcodes.LSTORE, i);
        mv.visitVarInsn(Opcodes.LLOAD, i);

        mv.visitVarInsn(Opcodes.ALOAD, statIdx);// stat
        mv.visitVarInsn(Opcodes.LLOAD, i);
        mv.visitMethodInsn(Opcodes.INVOKESTATIC, "java/lang/Long", "valueOf", "(J)Ljava/lang/Long;", false);
        mv.visitInsn(Opcodes.ACONST_NULL);// throwable
        break;
    case Type.FLOAT:
        mv.visitVarInsn(Opcodes.FSTORE, i);
        mv.visitVarInsn(Opcodes.FLOAD, i);

        mv.visitVarInsn(Opcodes.ALOAD, statIdx);// stat
        mv.visitVarInsn(Opcodes.FLOAD, i);

        mv.visitMethodInsn(Opcodes.INVOKESTATIC, "java/lang/Float", "valueOf", "(F)Ljava/lang/Float;", false);
        mv.visitInsn(Opcodes.ACONST_NULL);// throwable
        break;
    case Type.DOUBLE:
        mv.visitVarInsn(Opcodes.DSTORE, i);
        mv.visitVarInsn(Opcodes.DLOAD, i);

        mv.visitVarInsn(Opcodes.ALOAD, statIdx);// stat
        mv.visitVarInsn(Opcodes.DLOAD, i);
        mv.visitMethodInsn(Opcodes.INVOKESTATIC, "java/lang/Double", "valueOf", "(D)Ljava/lang/Double;", false);
        mv.visitInsn(Opcodes.ACONST_NULL);// throwable
        break;
    default:
        mv.visitVarInsn(Opcodes.ASTORE, i);
        mv.visitVarInsn(Opcodes.ALOAD, i);

        mv.visitVarInsn(Opcodes.ALOAD, statIdx);// stat
        mv.visitVarInsn(Opcodes.ALOAD, i);// return
        mv.visitInsn(Opcodes.ACONST_NULL);// throwable
    }

    mv.visitMethodInsn(Opcodes.INVOKESTATIC, TRACEMAIN, END_METHOD, END_SIGNATURE, false);
}

---

From source file:scouter.agent.asm.util.AsmUtil.java

License:Apache License

public static void loadForArrayElement(MethodVisitor mv, Type tp, int sidx) {
    switch (tp.getSort()) {
    case Type.BOOLEAN:
        mv.visitVarInsn(Opcodes.ILOAD, sidx);
        mv.visitMethodInsn(Opcodes.INVOKESTATIC, "java/lang/Boolean", "valueOf", "(Z)Ljava/lang/Boolean;",
                false);/*from   w  ww  .j  ava2  s.c om*/
        break;
    case Type.BYTE:
        mv.visitVarInsn(Opcodes.ILOAD, sidx);
        mv.visitMethodInsn(Opcodes.INVOKESTATIC, "java/lang/Byte", "valueOf", "(B)Ljava/lang/Byte;", false);
        break;
    case Type.CHAR:
        mv.visitVarInsn(Opcodes.ILOAD, sidx);
        mv.visitMethodInsn(Opcodes.INVOKESTATIC, "java/lang/Character", "valueOf", "(C)Ljava/lang/Character;",
                false);
        break;
    case Type.SHORT:
        mv.visitVarInsn(Opcodes.ILOAD, sidx);
        mv.visitMethodInsn(Opcodes.INVOKESTATIC, "java/lang/Short", "valueOf", "(S)Ljava/lang/Short;", false);
        break;
    case Type.INT:
        mv.visitVarInsn(Opcodes.ILOAD, sidx);
        mv.visitMethodInsn(Opcodes.INVOKESTATIC, "java/lang/Integer", "valueOf", "(I)Ljava/lang/Integer;",
                false);
        break;
    case Type.LONG:
        mv.visitVarInsn(Opcodes.LLOAD, sidx);
        mv.visitMethodInsn(Opcodes.INVOKESTATIC, "java/lang/Long", "valueOf", "(J)Ljava/lang/Long;", false);
        break;
    case Type.FLOAT:
        mv.visitVarInsn(Opcodes.FLOAD, sidx);
        mv.visitMethodInsn(Opcodes.INVOKESTATIC, "java/lang/Float", "valueOf", "(F)Ljava/lang/Float;", false);
        break;
    case Type.DOUBLE:
        mv.visitVarInsn(Opcodes.DLOAD, sidx);
        mv.visitMethodInsn(Opcodes.INVOKESTATIC, "java/lang/Double", "valueOf", "(D)Ljava/lang/Double;", false);
        break;
    default:
        mv.visitVarInsn(Opcodes.ALOAD, sidx);
    }
}

---

From source file:serianalyzer.JVMImpl.java

License:Open Source License

/**
 * @param opcode//from w  w  w .  j av a 2s  .  co  m
 * @param var
 * @param s
 */
static void handleVarInsn(int opcode, int var, JVMStackState s) {
    Set<BaseType> v;
    switch (opcode) {
    case Opcodes.LLOAD:
    case Opcodes.ILOAD:
    case Opcodes.FLOAD:
    case Opcodes.DLOAD:
    case Opcodes.ALOAD:
        v = s.getVariable(var);
        if (log.isTraceEnabled()) {
            log.trace("LOAD " + opcode + "@" + var + ":" + v); //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
        }
        if (v == null || v.isEmpty()) {
            s.push(new BasicVariable(toType(opcode), "unknown " + var, true)); //$NON-NLS-1$
        } else if (v.size() == 1) {
            s.push(v.iterator().next());
        } else {
            Set<BaseType> alts = new HashSet<>();
            for (BaseType o : v) {
                if (o instanceof MultiAlternatives && !((MultiAlternatives) o).getAlternatives().isEmpty()) {
                    alts.addAll(((MultiAlternatives) o).getAlternatives());
                } else {
                    alts.add(o);
                }
            }
            s.push(new MultiAlternatives(alts));
        }
        break;
    case Opcodes.LSTORE:
    case Opcodes.ISTORE:
    case Opcodes.FSTORE:
    case Opcodes.DSTORE:
    case Opcodes.ASTORE:
        s.getVariable(var).add(s.pop());
        break;
    case Opcodes.RET:
        break;
    default:
        log.warn("Unimplemented opcode " + opcode); //$NON-NLS-1$
    }
}

---

From source file:serianalyzer.JVMImpl.java

License:Open Source License

/**
 * @param opcode/*from  w ww  .  j  a  v a 2 s  . c o m*/
 * @return
 */
private static Type toType(int opcode) {
    switch (opcode) {
    case Opcodes.LLOAD:
        return Type.LONG_TYPE;
    case Opcodes.ILOAD:
        return Type.INT_TYPE;
    case Opcodes.FLOAD:
        return Type.FLOAT_TYPE;
    case Opcodes.DLOAD:
        return Type.DOUBLE_TYPE;
    case Opcodes.ALOAD:
        return Type.getType("Ljava/lang/Object;"); //$NON-NLS-1$
    case Opcodes.IALOAD:
        return Type.INT_TYPE;
    case Opcodes.LALOAD:
        return Type.LONG_TYPE;
    case Opcodes.FALOAD:
        return Type.FLOAT_TYPE;
    case Opcodes.DALOAD:
        return Type.DOUBLE_TYPE;
    case Opcodes.BALOAD:
        return Type.BYTE_TYPE;
    case Opcodes.CALOAD:
        return Type.CHAR_TYPE;
    case Opcodes.SALOAD:
        return Type.SHORT_TYPE;
    }
    return Type.VOID_TYPE;
}

---

From source file:v6.java.preverifier.PreverifierMethodNode.java

License:Open Source License

/**
 * Return a boolean indicating whether the specified opcode is
 * a floating point Opcodes./*  w w  w  .  j av a 2  s.  com*/
 * 
 * @param opcode
 * @return
 */
private boolean isFloatingPointOpcode(int opcode) {
    boolean isFloatingPointOpcode = false;

    switch (opcode) {
    case Opcodes.FCONST_0:
    case Opcodes.FCONST_1:
    case Opcodes.FCONST_2:
    case Opcodes.DCONST_0:
    case Opcodes.DCONST_1:
    case Opcodes.FLOAD:
    case Opcodes.DLOAD:
    case Opcodes.FSTORE:
    case Opcodes.DSTORE:
    case Opcodes.FALOAD:
    case Opcodes.DALOAD:
    case Opcodes.FASTORE:
    case Opcodes.DASTORE:
    case Opcodes.FADD:
    case Opcodes.DADD:
    case Opcodes.FSUB:
    case Opcodes.DSUB:
    case Opcodes.FMUL:
    case Opcodes.DMUL:
    case Opcodes.FDIV:
    case Opcodes.DDIV:
    case Opcodes.FREM:
    case Opcodes.DREM:
    case Opcodes.FNEG:
    case Opcodes.DNEG:
    case Opcodes.FCMPG:
    case Opcodes.FCMPL:
    case Opcodes.DCMPG:
    case Opcodes.DCMPL:
    case Opcodes.I2F:
    case Opcodes.F2I:
    case Opcodes.I2D:
    case Opcodes.D2I:
    case Opcodes.L2F:
    case Opcodes.L2D:
    case Opcodes.F2L:
    case Opcodes.D2L:
    case Opcodes.F2D:
    case Opcodes.D2F:
    case Opcodes.FRETURN:
    case Opcodes.DRETURN:
        isFloatingPointOpcode = true;
        break;
    }

    return isFloatingPointOpcode;
}

---

From source file:vazkii.quark.base.asm.ClassTransformer.java

License:Creative Commons License

private static byte[] transformRender(byte[] basicClass) {
    log("Transforming Render");

    MethodSignature sig = new MethodSignature("renderEntityOnFire", "func_76977_a", "a",
            "(Lnet/minecraft/entity/Entity;DDDF)V");

    return transform(basicClass, Pair.of(sig, combine((AbstractInsnNode node) -> { // Filter
        return true;
    }, (MethodNode method, AbstractInsnNode node) -> { // Action
        InsnList newInstructions = new InsnList();

        newInstructions.add(new VarInsnNode(Opcodes.ALOAD, 1));
        newInstructions.add(new VarInsnNode(Opcodes.DLOAD, 2));
        newInstructions.add(new VarInsnNode(Opcodes.DLOAD, 4));
        newInstructions.add(new VarInsnNode(Opcodes.DLOAD, 6));
        newInstructions.add(new VarInsnNode(Opcodes.FLOAD, 8));
        newInstructions.add(new MethodInsnNode(Opcodes.INVOKESTATIC, ASM_HOOKS, "renderFire",
                "(Lnet/minecraft/entity/Entity;DDDF)Z"));
        LabelNode label = new LabelNode();
        newInstructions.add(new JumpInsnNode(Opcodes.IFEQ, label));
        newInstructions.add(new InsnNode(Opcodes.RETURN));
        newInstructions.add(label);/* ww  w.  ja  v a2 s.  c  om*/

        method.instructions.insertBefore(node, newInstructions);
        return true;
    })));
}

---

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