Example usage for org.objectweb.asm Opcodes FLOAD

Introduction

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

Prototype

int FLOAD

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

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Usage

From source file:org.openquark.cal.internal.javamodel.AsmJavaBytecodeGenerator.java

License:Open Source License

private static int getLoadOpCode(JavaTypeName varType) {

    //ASM automatically handles replacing ILOAD 0, ILOAD 1, ILOAD 2 and ILOAD 3 by the special
    //0 argument op codes ILOAD_0, ILOAD_1, ILOAD_2, and ILOAD_3 and similarly for the other
    //types.//from w w  w  .j  a  va  2  s.  co m

    switch (varType.getTag()) {

    case JavaTypeName.VOID_TAG:
        throw new IllegalArgumentException("Cannot load a local variable of void type.");

    case JavaTypeName.BOOLEAN_TAG:
    case JavaTypeName.BYTE_TAG:
    case JavaTypeName.SHORT_TAG:
    case JavaTypeName.CHAR_TAG:
    case JavaTypeName.INT_TAG:
        return Opcodes.ILOAD;

    case JavaTypeName.LONG_TAG:
        return Opcodes.LLOAD;

    case JavaTypeName.DOUBLE_TAG:
        return Opcodes.DLOAD;

    case JavaTypeName.FLOAT_TAG:
        return Opcodes.FLOAD;

    case JavaTypeName.ARRAY_TAG:
    case JavaTypeName.OBJECT_TAG:
        return Opcodes.ALOAD;

    default: {
        throw new IllegalArgumentException("Cannot load a local variable of type " + varType);
    }
    }
}

---

From source file:org.pitest.mutationtest.engine.gregor.mutators.experimental.extended.AODMutator2.java

License:Apache License

@Override
public void visitInsn(int opcode) {
    switch (opcode) {
    case Opcodes.IADD:
    case Opcodes.ISUB:
    case Opcodes.IMUL:
    case Opcodes.IDIV:
    case Opcodes.IREM:
        if (this.shouldMutate(OpcodeToType.typeOfOpcode(opcode))) {
            int storage = this.newLocal(Type.INT_TYPE);
            mv.visitVarInsn(Opcodes.ISTORE, storage);
            mv.visitInsn(Opcodes.POP);//from   w  w  w.j  ava  2  s .c o  m
            mv.visitVarInsn(Opcodes.ILOAD, storage);
            /*
             * Alternative : mv.visitInsn(Opcodes.SWAP);
             * mv.visitInsn(Opcodes.POP);
             * mv.visitVarInsn(Opcodes.ILOAD,storage);
             */
        } else {
            mv.visitInsn(opcode);
        }
        break;
    case Opcodes.FADD:
    case Opcodes.FSUB:
    case Opcodes.FMUL:
    case Opcodes.FDIV:
    case Opcodes.FREM:
        if (this.shouldMutate(OpcodeToType.typeOfOpcode(opcode))) {
            int storage = this.newLocal(Type.FLOAT_TYPE);
            mv.visitVarInsn(Opcodes.FSTORE, storage);
            mv.visitInsn(Opcodes.POP);
            mv.visitVarInsn(Opcodes.FLOAD, storage);
        } else {
            mv.visitInsn(opcode);
        }
        break;
    case Opcodes.LADD:
    case Opcodes.LSUB:
    case Opcodes.LMUL:
    case Opcodes.LDIV:
    case Opcodes.LREM:
        if (this.shouldMutate(OpcodeToType.typeOfOpcode(opcode))) {
            int storage = this.newLocal(Type.LONG_TYPE);
            mv.visitVarInsn(Opcodes.LSTORE, storage);
            mv.visitInsn(Opcodes.POP2);
            mv.visitVarInsn(Opcodes.LLOAD, storage);
        } else {
            mv.visitInsn(opcode);
        }
        break;
    case Opcodes.DADD:
    case Opcodes.DSUB:
    case Opcodes.DMUL:
    case Opcodes.DDIV:
    case Opcodes.DREM:
        if (this.shouldMutate(OpcodeToType.typeOfOpcode(opcode))) {
            int storage = this.newLocal(Type.DOUBLE_TYPE);
            mv.visitVarInsn(Opcodes.DSTORE, storage);
            mv.visitInsn(Opcodes.POP2);
            mv.visitVarInsn(Opcodes.DLOAD, storage);
        } else {
            mv.visitInsn(opcode);
        }
        break;
    default:
        mv.visitInsn(opcode);
        break;
    }
}

---

From source file:org.pitest.mutationtest.engine.gregor.mutators.experimental.extended.UOIMutator1.java

License:Apache License

@Override
public void visitVarInsn(int opcode, int var) {
    mv.visitVarInsn(opcode, var);

    switch (opcode) {
    case Opcodes.ILOAD:
        if (this.shouldMutate("Incremented (a++) integer local variable number " + var)) {
            mv.visitIincInsn(var, 1);
        }/*from  w  w  w . j  a  va  2  s .c  o  m*/
        break;
    case Opcodes.FLOAD:
        if (this.shouldMutate("Incremented (a++) float local variable number " + var)) {
            mv.visitInsn(Opcodes.DUP);
            mv.visitInsn(Opcodes.FCONST_1);
            mv.visitInsn(Opcodes.FADD);
            mv.visitVarInsn(Opcodes.FSTORE, var);
        }
        break;
    case Opcodes.LLOAD:
        if (this.shouldMutate("Incremented (a++) long local variable number " + var)) {
            mv.visitInsn(Opcodes.DUP2);
            mv.visitInsn(Opcodes.LCONST_1);
            mv.visitInsn(Opcodes.LADD);
            mv.visitVarInsn(Opcodes.LSTORE, var);
        }
        break;
    case Opcodes.DLOAD:
        if (this.shouldMutate("Incremented (a++) double local variable number " + var)) {
            mv.visitInsn(Opcodes.DUP2);
            mv.visitInsn(Opcodes.DCONST_1);
            mv.visitInsn(Opcodes.DADD);
            mv.visitVarInsn(Opcodes.DSTORE, var);
        }
        break;

    default:
        break;
    }
}

---

From source file:org.pitest.mutationtest.engine.gregor.mutators.experimental.extended.UOIMutator2.java

License:Apache License

@Override
public void visitVarInsn(int opcode, int var) {
    mv.visitVarInsn(opcode, var);
    switch (opcode) {
    case Opcodes.ILOAD:
        if (this.shouldMutate("Decremented (a--) integer local variable number " + var)) {
            mv.visitIincInsn(var, -1);
        }//from w  w w.  j  a  va  2  s  .  co  m
        break;
    case Opcodes.FLOAD:
        if (this.shouldMutate("Decremented (a--) float local variable number " + var)) {
            mv.visitInsn(Opcodes.DUP);
            mv.visitInsn(Opcodes.FCONST_1);
            mv.visitInsn(Opcodes.FSUB);
            mv.visitVarInsn(Opcodes.FSTORE, var);
        }
        break;
    case Opcodes.LLOAD:
        if (this.shouldMutate("Decremented (a--) long local variable number " + var)) {
            mv.visitInsn(Opcodes.DUP2);
            mv.visitInsn(Opcodes.LCONST_1);
            mv.visitInsn(Opcodes.LSUB);
            mv.visitVarInsn(Opcodes.LSTORE, var);
        }
        break;
    case Opcodes.DLOAD:
        if (this.shouldMutate("Decremented (a--) double local variable number " + var)) {
            mv.visitInsn(Opcodes.DUP2);
            mv.visitInsn(Opcodes.DCONST_1);
            mv.visitInsn(Opcodes.DSUB);
            mv.visitVarInsn(Opcodes.DSTORE, var);
        }
        break;
    default:
        break;
    }
}

---

From source file:org.pitest.mutationtest.engine.gregor.mutators.experimental.extended.UOIMutator3.java

License:Apache License

@Override
public void visitVarInsn(int opcode, int var) {
    switch (opcode) {
    case Opcodes.ILOAD:
        if (this.shouldMutate("Incremented (++a) integer local variable number " + var)) {
            mv.visitIincInsn(var, 1);
        }/*from  w  w w  . j ava2s  . c o m*/
        mv.visitVarInsn(opcode, var);
        break;
    case Opcodes.FLOAD:
        if (this.shouldMutate("Incremented (++a) float local variable number " + var)) {
            mv.visitVarInsn(opcode, var);
            mv.visitInsn(Opcodes.FCONST_1);
            mv.visitInsn(Opcodes.FADD);
            mv.visitVarInsn(Opcodes.FSTORE, var);
        }
        mv.visitVarInsn(opcode, var);
        break;
    case Opcodes.LLOAD:
        if (this.shouldMutate("Incremented (++a) long local variable number " + var)) {
            mv.visitVarInsn(opcode, var);
            mv.visitInsn(Opcodes.LCONST_1);
            mv.visitInsn(Opcodes.LADD);
            mv.visitVarInsn(Opcodes.LSTORE, var);
        }
        mv.visitVarInsn(opcode, var);
        break;
    case Opcodes.DLOAD:
        if (this.shouldMutate("Incremented (++a) double local variable number " + var)) {
            mv.visitVarInsn(opcode, var);
            mv.visitInsn(Opcodes.DCONST_1);
            mv.visitInsn(Opcodes.DADD);
            mv.visitVarInsn(Opcodes.DSTORE, var);
        }
        mv.visitVarInsn(opcode, var);
        break;
    default:
        mv.visitVarInsn(opcode, var);
        break;
    }
}

---

From source file:org.pitest.mutationtest.engine.gregor.mutators.experimental.extended.UOIMutator4.java

License:Apache License

@Override
public void visitVarInsn(int opcode, int var) {
    switch (opcode) {
    case Opcodes.ILOAD:
        if (this.shouldMutate("Decremented (--a) integer local variable number " + var)) {
            mv.visitIincInsn(var, -1);
        }/*from www  .  j  a v a 2 s .c o m*/
        mv.visitVarInsn(opcode, var);

        break;

    case Opcodes.FLOAD:
        if (this.shouldMutate("Decremented (--a) float local variable number " + var)) {
            mv.visitVarInsn(opcode, var);
            mv.visitInsn(Opcodes.FCONST_1);
            mv.visitInsn(Opcodes.FSUB);
            mv.visitVarInsn(Opcodes.FSTORE, var);
        }
        mv.visitVarInsn(opcode, var);

        break;

    case Opcodes.LLOAD:
        if (this.shouldMutate("Decremented (--a) long local variable number " + var)) {
            mv.visitVarInsn(opcode, var);
            mv.visitInsn(Opcodes.LCONST_1);
            mv.visitInsn(Opcodes.LSUB);
            mv.visitVarInsn(Opcodes.LSTORE, var);
        }
        mv.visitVarInsn(opcode, var);
        break;

    case Opcodes.DLOAD:
        if (this.shouldMutate("Decremented (--a) double local variable number " + var)) {
            mv.visitVarInsn(opcode, var);
            mv.visitInsn(Opcodes.DCONST_1);
            mv.visitInsn(Opcodes.DSUB);
            mv.visitVarInsn(Opcodes.DSTORE, var);
        }
        mv.visitVarInsn(opcode, var);
        break;

    default:
        mv.visitVarInsn(opcode, var);
        break;
    }
}

---

From source file:org.sonar.java.bytecode.se.BytecodeEGWalkerExecuteTest.java

License:Open Source License

@Test
public void test_load() throws Exception {
    int[] loadRefOpcodes = new int[] { Opcodes.ILOAD, Opcodes.LLOAD, Opcodes.FLOAD, Opcodes.DLOAD,
            Opcodes.ALOAD };/*from  w ww.j av a 2s .  co  m*/
    for (int loadRefOpcode : loadRefOpcodes) {
        SymbolicValue loadRef = new SymbolicValue();
        ProgramState programState = execute(new Instruction(loadRefOpcode, 0),
                ProgramState.EMPTY_STATE.put(0, loadRef));
        assertThat(programState.peekValue()).isEqualTo(loadRef);
        // no SV indexed should failed
        assertThatThrownBy(() -> execute(new Instruction(loadRefOpcode, 0), ProgramState.EMPTY_STATE))
                .hasMessage("Loading a symbolic value unindexed");
    }
}

---

From source file:org.spongepowered.despector.emitter.bytecode.instruction.BytecodeLocalAccessEmitter.java

License:Open Source License

@Override
public void emit(BytecodeEmitterContext ctx, LocalAccess arg, TypeSignature t) {
    MethodVisitor mv = ctx.getMethodVisitor();
    TypeSignature type = arg.getLocal().getType();
    if (type == ClassTypeSignature.INT || type == ClassTypeSignature.BOOLEAN || type == ClassTypeSignature.BYTE
            || type == ClassTypeSignature.SHORT || type == ClassTypeSignature.CHAR) {
        mv.visitVarInsn(Opcodes.ILOAD, arg.getLocal().getIndex());
    } else if (type == ClassTypeSignature.LONG) {
        mv.visitVarInsn(Opcodes.LLOAD, arg.getLocal().getIndex());
    } else if (type == ClassTypeSignature.FLOAT) {
        mv.visitVarInsn(Opcodes.FLOAD, arg.getLocal().getIndex());
    } else if (type == ClassTypeSignature.DOUBLE) {
        mv.visitVarInsn(Opcodes.DLOAD, arg.getLocal().getIndex());
    } else {//from  www.  java 2 s. c om
        mv.visitVarInsn(Opcodes.ALOAD, arg.getLocal().getIndex());
    }
    ctx.updateStack(1);
}

---

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

License:Apache License

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   w  w w  .jav  a2  s.  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();
    }
    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);
    mv.visitMethodInsn(Opcodes.INVOKESTATIC, TRACESUBCALL, 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.ApicallASM.java

License:Apache License

private void capReturn() {
    Type tp = returnType;//from www .ja  v  a 2  s.com
    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, TRACESUBCALL, 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, TRACESUBCALL, END_METHOD, END_SIGNATURE, false);
}

---

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