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Java MethodVisitor.visitFieldInsn方法代码示例

本文整理汇总了Java中jdk.internal.org.objectweb.asm.MethodVisitor.visitFieldInsn方法的典型用法代码示例。如果您正苦于以下问题：Java MethodVisitor.visitFieldInsn方法的具体用法？Java MethodVisitor.visitFieldInsn怎么用？Java MethodVisitor.visitFieldInsn使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类jdk.internal.org.objectweb.asm.MethodVisitor的用法示例。


在下文中一共展示了MethodVisitor.visitFieldInsn方法的14个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Java代码示例。

示例1: emitPushFields

import jdk.internal.org.objectweb.asm.MethodVisitor; //导入方法依赖的package包/类
private static void emitPushFields(String types, String className, MethodVisitor mv) {
    for (int i = 0; i < types.length(); ++i) {
        char tc = types.charAt(i);
        mv.visitVarInsn(ALOAD, 0);
        mv.visitFieldInsn(GETFIELD, className, makeFieldName(types, i), typeSig(tc));
    }
}
开发者ID:SunburstApps，项目名称:OpenJSharp，代码行数:8，代码来源:BoundMethodHandle.java

示例2: dumpT1

import jdk.internal.org.objectweb.asm.MethodVisitor; //导入方法依赖的package包/类
public static byte[] dumpT1() {
    ClassWriter cw = new ClassWriter(0);
    MethodVisitor mv;

    cw.visit(52, ACC_PUBLIC | ACC_SUPER, "p1/T1", null, "java/lang/Object", null);
    {
        mv = cw.visitMethod(ACC_PUBLIC, "<init>", "()V", null, null);
        mv.visitCode();
        mv.visitVarInsn(ALOAD, 0);
        mv.visitMethodInsn(INVOKESPECIAL, "java/lang/Object", "<init>", "()V", false);
        mv.visitInsn(RETURN);
        mv.visitMaxs(1, 1);
        mv.visitEnd();
    }
    {
        mv = cw.visitMethod(ACC_PUBLIC, "m", "()I", null, null);
        mv.visitCode();
        mv.visitFieldInsn(GETSTATIC, "java/lang/System", "out", "Ljava/io/PrintStream;");
        mv.visitLdcInsn("p1/T1.m()");
        mv.visitMethodInsn(INVOKEVIRTUAL, "java/io/PrintStream", "print", "(Ljava/lang/String;)V", false);
        mv.visitIntInsn(BIPUSH, 3);
        mv.visitInsn(IRETURN);
        mv.visitMaxs(2, 1);
        mv.visitEnd();
    }
    cw.visitEnd();

    return cw.toByteArray();
}
开发者ID:AdoptOpenJDK，项目名称:openjdk-jdk10，代码行数:30，代码来源:TestConcreteClassWithAbstractMethod.java

示例3: dumpP1A

import jdk.internal.org.objectweb.asm.MethodVisitor; //导入方法依赖的package包/类
public static byte[] dumpP1A() {

        ClassWriter cw = new ClassWriter(0);
        MethodVisitor mv;

        cw.visit(V1_7, ACC_PUBLIC + ACC_SUPER, "P1/A", null, "java/lang/Object", null);

        {
            mv = cw.visitMethod(ACC_PUBLIC, "<init>", "()V", null, null);
            mv.visitCode();
            mv.visitVarInsn(ALOAD, 0);
            mv.visitMethodInsn(INVOKESPECIAL, "java/lang/Object", "<init>", "()V", false);
            mv.visitInsn(RETURN);
            mv.visitMaxs(1, 1);
            mv.visitEnd();
        }
        {
            mv = cw.visitMethod(ACC_PUBLIC, "m", "()I", null, null);
            mv.visitCode();
            mv.visitFieldInsn(GETSTATIC, "java/lang/System", "out", "Ljava/io/PrintStream;");
            mv.visitLdcInsn("A.m");
            mv.visitMethodInsn(INVOKEVIRTUAL, "java/io/PrintStream", "println", "(Ljava/lang/String;)V", false);
            mv.visitIntInsn(BIPUSH, 1);
            mv.visitInsn(IRETURN);
            mv.visitMaxs(2, 1);
            mv.visitEnd();
        }
        cw.visitEnd();

        return cw.toByteArray();
    }
开发者ID:AdoptOpenJDK，项目名称:openjdk-jdk10，代码行数:32，代码来源:TransitiveOverrideCFV50.java

示例4: dumpP1B

import jdk.internal.org.objectweb.asm.MethodVisitor; //导入方法依赖的package包/类
public static byte[] dumpP1B() {

        ClassWriter cw = new ClassWriter(0);
        MethodVisitor mv;

        cw.visit(V1_8, ACC_PUBLIC + ACC_SUPER, "P1/B", null, "P1/A", null);

        {
            mv = cw.visitMethod(ACC_PUBLIC, "<init>", "()V", null, null);
            mv.visitCode();
            mv.visitVarInsn(ALOAD, 0);
            mv.visitMethodInsn(INVOKESPECIAL, "P1/A", "<init>", "()V", false);
            mv.visitInsn(RETURN);
            mv.visitMaxs(1, 1);
            mv.visitEnd();
        }
        {
            mv = cw.visitMethod(0, "m", "()I", null, null);
            mv.visitCode();
            mv.visitFieldInsn(GETSTATIC, "java/lang/System", "out", "Ljava/io/PrintStream;");
            mv.visitLdcInsn("B.m");
            mv.visitMethodInsn(INVOKEVIRTUAL, "java/io/PrintStream", "println", "(Ljava/lang/String;)V", false);
            mv.visitIntInsn(BIPUSH, 2);
            mv.visitInsn(IRETURN);
            mv.visitMaxs(2, 1);
            mv.visitEnd();
        }
        cw.visitEnd();

        return cw.toByteArray();
    }
开发者ID:AdoptOpenJDK，项目名称:openjdk-jdk10，代码行数:32，代码来源:TransitiveOverrideCFV50.java

示例5: generateTestMethod

import jdk.internal.org.objectweb.asm.MethodVisitor; //导入方法依赖的package包/类
private static void generateTestMethod(ClassVisitor cv,
        Label unstableIfLocation) {
    MethodVisitor mv = cv.visitMethod(ACC_PUBLIC | ACC_STATIC, METHOD_NAME,
            "(Z)V", null, null);
    mv.visitCode();

    Label end = new Label();
    Label falseBranch = new Label();

    // push "field" field's value and 1 to stack
    mv.visitFieldInsn(GETSTATIC, CLASS_NAME, FIELD_NAME, "I");
    mv.visitInsn(ICONST_1);
    // load argument's value
    mv.visitVarInsn(ILOAD, 0); // alwaysTrue
    // here is our unstable if
    mv.visitLabel(unstableIfLocation);
    mv.visitJumpInsn(IFEQ, falseBranch);
    // increment on "true"
    mv.visitInsn(IADD);
    mv.visitJumpInsn(GOTO, end);
    // decrement on "false"
    mv.visitLabel(falseBranch);
    mv.visitInsn(ISUB);
    mv.visitLabel(end);
    // bye bye
    mv.visitInsn(RETURN);

    mv.visitMaxs(0, 0);
    mv.visitEnd();
}
开发者ID:AdoptOpenJDK，项目名称:openjdk-jdk10，代码行数:31，代码来源:TestUnstableIfTrap.java

示例6: getFieldValue

import jdk.internal.org.objectweb.asm.MethodVisitor; //导入方法依赖的package包/类
void getFieldValue(MethodVisitor mv) {
    if (isStatic()) {
        mv.visitFieldInsn(GETSTATIC, className, FIELD_NAME, fieldDesc);
    } else {
        mv.visitFieldInsn(GETSTATIC, className, "t", classDesc);
        mv.visitFieldInsn(GETFIELD, className, FIELD_NAME, fieldDesc);
    }
}
开发者ID:AdoptOpenJDK，项目名称:openjdk-jdk10，代码行数:9，代码来源:UnsafeGetConstantField.java

示例7: initField

import jdk.internal.org.objectweb.asm.MethodVisitor; //导入方法依赖的package包/类
void initField(MethodVisitor mv) {
    if (hasDefaultValue) {
        return; // Nothing to do
    }
    if (!isStatic()) {
        mv.visitVarInsn(ALOAD, 0);
    }
    mv.visitLdcInsn(type.value);
    mv.visitFieldInsn((isStatic() ? PUTSTATIC : PUTFIELD), className, FIELD_NAME, fieldDesc);
}
开发者ID:AdoptOpenJDK，项目名称:openjdk-jdk10，代码行数:11，代码来源:UnsafeGetConstantField.java

示例8: accept

import jdk.internal.org.objectweb.asm.MethodVisitor; //导入方法依赖的package包/类
@Override
public void accept(final MethodVisitor mv) {
    mv.visitFieldInsn(opcode, owner, name, desc);
    acceptAnnotations(mv);
}
开发者ID:SunburstApps，项目名称:OpenJSharp，代码行数:6，代码来源:FieldInsnNode.java

示例9: loadUndefined

import jdk.internal.org.objectweb.asm.MethodVisitor; //导入方法依赖的package包/类
@Override
public Type loadUndefined(final MethodVisitor method) {
    method.visitFieldInsn(GETSTATIC, className(ScriptRuntime.class), "UNDEFINED", typeDescriptor(Undefined.class));
    return UNDEFINED;
}
开发者ID:SunburstApps，项目名称:OpenJSharp，代码行数:6，代码来源:ObjectType.java

示例10: loadEmpty

import jdk.internal.org.objectweb.asm.MethodVisitor; //导入方法依赖的package包/类
@Override
public Type loadEmpty(final MethodVisitor method) {
    method.visitFieldInsn(GETSTATIC, className(ScriptRuntime.class), "EMPTY", typeDescriptor(Undefined.class));
    return UNDEFINED;
}
开发者ID:SunburstApps，项目名称:OpenJSharp，代码行数:6，代码来源:ObjectType.java

示例11: dumpP2C

import jdk.internal.org.objectweb.asm.MethodVisitor; //导入方法依赖的package包/类
public static byte[] dumpP2C() {

        ClassWriter cw = new ClassWriter(0);
        MethodVisitor mv;

        cw.visit(V1_6, ACC_PUBLIC + ACC_SUPER, "P2/C", null, "P1/B", null);

        {
            mv = cw.visitMethod(ACC_PUBLIC, "<init>", "()V", null, null);
            mv.visitCode();
            mv.visitVarInsn(ALOAD, 0);
            mv.visitMethodInsn(INVOKESPECIAL, "P1/B", "<init>", "()V", false);
            mv.visitInsn(RETURN);
            mv.visitMaxs(1, 1);
            mv.visitEnd();
        }
        {
            mv = cw.visitMethod(ACC_PUBLIC, "m", "()I", null, null);
            mv.visitCode();
            mv.visitFieldInsn(GETSTATIC, "java/lang/System", "out", "Ljava/io/PrintStream;");
            mv.visitLdcInsn("P2/C.m");
            mv.visitMethodInsn(INVOKEVIRTUAL, "java/io/PrintStream", "println", "(Ljava/lang/String;)V", false);
            mv.visitIntInsn(BIPUSH, 3);
            mv.visitInsn(IRETURN);
            mv.visitMaxs(2, 1);
            mv.visitEnd();
        }
        {
            mv = cw.visitMethod(ACC_PUBLIC + ACC_STATIC, "test", "()I", null, null);
            mv.visitCode();
            mv.visitTypeInsn(NEW, "P2/C");
            mv.visitInsn(DUP);
            mv.visitMethodInsn(INVOKESPECIAL, "P2/C", "<init>", "()V", false);
            mv.visitMethodInsn(INVOKEVIRTUAL, "P1/A", "m", "()I", false);
            mv.visitInsn(IRETURN);
            mv.visitMaxs(3, 2);
            mv.visitEnd();
        }

        cw.visitEnd();

        return cw.toByteArray();
    }
开发者ID:AdoptOpenJDK，项目名称:openjdk-jdk10，代码行数:44，代码来源:TransitiveOverrideCFV50.java

示例12: generateTestClass

import jdk.internal.org.objectweb.asm.MethodVisitor; //导入方法依赖的package包/类
static void generateTestClass(int dim, boolean good) throws Exception {
    String baseClassName = "MeetIncompatibleInterfaceArrays";
    if (good)
        baseClassName += "Good";
    String createName = "createI2" + (good ? "1" : "") + "Array";
    String a = "";
    for (int i = 0; i < dim; i++)
        a += "[";
    ClassWriter cw = new ClassWriter(ClassWriter.COMPUTE_FRAMES);
    cw.visit(V1_8, ACC_PUBLIC, baseClassName + dim + "ASM", null, "java/lang/Object", null);
    MethodVisitor constr = cw.visitMethod(ACC_PUBLIC, "<init>", "()V", null, null);
    constr.visitCode();
    constr.visitVarInsn(ALOAD, 0);
    constr.visitMethodInsn(INVOKESPECIAL, "java/lang/Object", "<init>", "()V", false);
    constr.visitInsn(RETURN);
    constr.visitMaxs(0, 0);
    constr.visitEnd();
    MethodVisitor run = cw.visitMethod(ACC_PUBLIC | ACC_STATIC, "run",
            "()" + a + "Lcompiler/types/TestMeetIncompatibleInterfaceArrays$I1;", null, null);
    run.visitCode();
    if (dim == 4) {
        run.visitMethodInsn(INVOKESTATIC, "compiler/types/TestMeetIncompatibleInterfaceArrays$Helper", createName + 3,
                "()" + "[[[" + "Lcompiler/types/TestMeetIncompatibleInterfaceArrays$I2;", false);
    } else {
        run.visitMethodInsn(INVOKESTATIC, "compiler/types/TestMeetIncompatibleInterfaceArrays$Helper", createName + dim,
                "()" + a + "Lcompiler/types/TestMeetIncompatibleInterfaceArrays$I2;", false);
    }
    run.visitInsn(ARETURN);
    run.visitMaxs(0, 0);
    run.visitEnd();
    MethodVisitor test = cw.visitMethod(ACC_PUBLIC | ACC_STATIC, "test", "()V", null, null);
    test.visitCode();
    test.visitMethodInsn(INVOKESTATIC, baseClassName + dim + "ASM", "run",
            "()" + a + "Lcompiler/types/TestMeetIncompatibleInterfaceArrays$I1;", false);
    test.visitVarInsn(ASTORE, 0);
    if (dim > 0) {
        test.visitVarInsn(ALOAD, 0);
        for (int i = 1; i <= dim; i++) {
            test.visitInsn(ICONST_0);
            test.visitInsn(AALOAD);
        }
        test.visitVarInsn(ASTORE, 1);
    }
    test.visitFieldInsn(GETSTATIC, "java/lang/System", "out", "Ljava/io/PrintStream;");
    test.visitVarInsn(ALOAD, dim > 0 ? 1 : 0);
    test.visitMethodInsn(INVOKEINTERFACE, "compiler/types/TestMeetIncompatibleInterfaceArrays$I1", "getName",
            "()Ljava/lang/String;", true);
    test.visitMethodInsn(INVOKEVIRTUAL, "java/io/PrintStream", "println", "(Ljava/lang/Object;)V", false);
    test.visitInsn(RETURN);
    test.visitMaxs(0, 0);
    test.visitEnd();

    // Get the bytes of the class..
    byte[] b = cw.toByteArray();
    // ..and write them into a class file (for debugging)
    FileOutputStream fos = new FileOutputStream(PATH + baseClassName + dim + "ASM.class");
    fos.write(b);
    fos.close();

}
开发者ID:AdoptOpenJDK，项目名称:openjdk-jdk10，代码行数:61，代码来源:TestMeetIncompatibleInterfaceArrays.java

示例13: visitMethod

import jdk.internal.org.objectweb.asm.MethodVisitor; //导入方法依赖的package包/类
@Override
public MethodVisitor visitMethod(final int access, final String name,
        final String desc, final String signature,
        final String[] exceptions) {
    /* a code generate looks like
     *  0: aload_0
     *  1: ldc           #125  // int 1
     *  3: ldc2_w        #126  // long 2l
     *  6: ldc           #128  // float 3.0f
     *  8: ldc2_w        #129  // double 4.0d
     * 11: ldc           #132  // String 5
     * 13: aload_0
     * 14: getfield      #135  // Field nativeCallee:Z
     * 17: ifeq          28
     * 20: invokedynamic #181,  0            // InvokeDynamic #1:calleeNative:(Lcompiler/calls/common/InvokeDynamic;IJFDLjava/lang/String;)Z
     * 25: goto          33
     * 28: invokedynamic #183,  0            // InvokeDynamic #1:callee:(Lcompiler/calls/common/InvokeDynamic;IJFDLjava/lang/String;)Z
     * 33: ldc           #185                // String Call insuccessfull
     * 35: invokestatic  #191                // Method jdk/test/lib/Asserts.assertTrue:(ZLjava/lang/String;)V
     * 38: return
     *
     * or, using java-like pseudo-code
     * if (this.nativeCallee == false) {
     *     invokedynamic-call-return-value = invokedynamic-of-callee
     * } else {
     *     invokedynamic-call-return-value = invokedynamic-of-nativeCallee
     * }
     * Asserts.assertTrue(invokedynamic-call-return-value, error-message);
     * return;
     */
    if (name.equals(CALLER_METHOD_NAME)) {
        MethodVisitor mv = cv.visitMethod(access, name, desc,
                signature, exceptions);
        Label nonNativeLabel = new Label();
        Label checkLabel = new Label();
        MethodType mtype = MethodType.methodType(CallSite.class,
                MethodHandles.Lookup.class, String.class, MethodType.class);
        Handle bootstrap = new Handle(Opcodes.H_INVOKESTATIC, CLASS,
                BOOTSTRAP_METHOD_NAME, mtype.toMethodDescriptorString());
        mv.visitCode();
        // push callee parameters onto stack
        mv.visitVarInsn(Opcodes.ALOAD, 0);//push "this"
        mv.visitLdcInsn(1);
        mv.visitLdcInsn(2L);
        mv.visitLdcInsn(3.0f);
        mv.visitLdcInsn(4.0d);
        mv.visitLdcInsn("5");
        // params loaded. let's decide what method to call
        mv.visitVarInsn(Opcodes.ALOAD, 0); // push "this"
        // get nativeCallee field
        mv.visitFieldInsn(Opcodes.GETFIELD, CLASS, CALL_NATIVE_FIELD,
                CALL_NATIVE_FIELD_DESC);
        // if nativeCallee == false goto nonNativeLabel
        mv.visitJumpInsn(Opcodes.IFEQ, nonNativeLabel);
        // invokedynamic nativeCalleeMethod using bootstrap method
        mv.visitInvokeDynamicInsn(NATIVE_CALLEE_METHOD_NAME,
                CALLEE_METHOD_DESC, bootstrap);
        // goto checkLabel
        mv.visitJumpInsn(Opcodes.GOTO, checkLabel);
        // label: nonNativeLabel
        mv.visitLabel(nonNativeLabel);
        // invokedynamic calleeMethod using bootstrap method
        mv.visitInvokeDynamicInsn(CALLEE_METHOD_NAME, CALLEE_METHOD_DESC,
                bootstrap);
        mv.visitLabel(checkLabel);
        mv.visitLdcInsn(CallsBase.CALL_ERR_MSG);
        mv.visitMethodInsn(Opcodes.INVOKESTATIC, ASSERTS_CLASS,
                ASSERTTRUE_METHOD_NAME, ASSERTTRUE_METHOD_DESC, false);
        // label: return
        mv.visitInsn(Opcodes.RETURN);
        mv.visitMaxs(0, 0);
        mv.visitEnd();
        return null;
    }
    return super.visitMethod(access, name, desc, signature, exceptions);
}
开发者ID:AdoptOpenJDK，项目名称:openjdk-jdk10，代码行数:77，代码来源:InvokeDynamicPatcher.java

示例14: getUnsafe

import jdk.internal.org.objectweb.asm.MethodVisitor; //导入方法依赖的package包/类
void getUnsafe(MethodVisitor mv) {
    mv.visitFieldInsn(GETSTATIC, className, "U", UNSAFE_DESC);
}
开发者ID:AdoptOpenJDK，项目名称:openjdk-jdk10，代码行数:4，代码来源:UnsafeGetConstantField.java


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