当前位置: 首页>>代码示例>>Java>>正文

Java MethodVisitor.visitVarInsn方法代码示例

本文整理汇总了Java中org.objectweb.asm.MethodVisitor.visitVarInsn方法的典型用法代码示例。如果您正苦于以下问题：Java MethodVisitor.visitVarInsn方法的具体用法？Java MethodVisitor.visitVarInsn怎么用？Java MethodVisitor.visitVarInsn使用的例子？那么恭喜您, 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org.objectweb.asm.MethodVisitor的用法示例。


在下文中一共展示了MethodVisitor.visitVarInsn方法的15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: createObjectRender

import org.objectweb.asm.MethodVisitor; //导入方法依赖的package包/类
private void createObjectRender(ClassWriter cw, String className, String classDesc, Type data) {
    Label start = new Label();
    Label end = new Label();

    MethodVisitor mv = cw.visitMethod(ACC_PUBLIC + ACC_BRIDGE + ACC_SYNTHETIC, "render",
            Type.getMethodDescriptor(BytecodeGenerator.STRING, BytecodeGenerator.OBJECT), null, null);
    mv.visitCode();
    mv.visitLabel(start);
    mv.visitVarInsn(ALOAD, 0);
    mv.visitVarInsn(ALOAD, 1);
    mv.visitTypeInsn(CHECKCAST, data.getInternalName());
    mv.visitMethodInsn(INVOKEVIRTUAL, className, "render", Type.getMethodDescriptor(BytecodeGenerator.STRING, data), false);
    mv.visitInsn(ARETURN);
    mv.visitLabel(end);
    mv.visitLocalVariable("this", classDesc, null, start, end, 0);
    //mv.visitLocalVariable("obj", data.getDescriptor(), null, start, end, 1);
    mv.visitMaxs(2, 2);
    mv.visitEnd();
}
开发者ID:Guichaguri，项目名称:FastMustache，代码行数:20，代码来源:MustacheCompiler.java

示例2: addSetProperty

import org.objectweb.asm.MethodVisitor; //导入方法依赖的package包/类
private void addSetProperty() {
    MethodVisitor methodVisitor = cv.visitMethod(Opcodes.ACC_PUBLIC | Opcodes.ACC_SYNTHETIC, "setProperty",  RETURN_VOID_FROM_STRING_OBJECT, null, null);
    methodVisitor.visitCode();

    // this.getMetaClass()
    methodVisitor.visitVarInsn(Opcodes.ALOAD, 0);
    methodVisitor.visitMethodInsn(Opcodes.INVOKEVIRTUAL, className, "getMetaClass", RETURN_META_CLASS, false);

    // setProperty(this, name, value)
    methodVisitor.visitVarInsn(Opcodes.ALOAD, 0);
    methodVisitor.visitVarInsn(Opcodes.ALOAD, 1);
    methodVisitor.visitVarInsn(Opcodes.ALOAD, 2);
    methodVisitor.visitMethodInsn(Opcodes.INVOKEINTERFACE, META_CLASS_TYPE.getInternalName(), "setProperty",  RETURN_VOID_FROM_OBJECT_STRING_OBJECT, true);

    methodVisitor.visitInsn(Opcodes.RETURN);
    methodVisitor.visitMaxs(4, 3);
    methodVisitor.visitEnd();
}
开发者ID:lxxlxx888，项目名称:Reer，代码行数:19，代码来源:MixInLegacyTypesClassLoader.java

示例3: generateDefaultTraceAfter

import org.objectweb.asm.MethodVisitor; //导入方法依赖的package包/类
private static void generateDefaultTraceAfter(InterceptedCall call, MethodVisitor mv, int mcvar, Type retType, MethodInfo minfo) {
    if (retType.getSort() == Type.VOID) {
        // Do nothing
    } else if (retType.getSort() == Type.ARRAY || retType.getSort() == Type.OBJECT) {
        mv.visitVarInsn(ALOAD, mcvar);
        mv.visitMethodInsn(INVOKESTATIC, RT_InternalName, "returnValue", "(Ljava/lang/Object;" + MethodCall_Desc + ")Ljava/lang/Object;", false);
        if (!"java/lang/Object".equals(retType.getInternalName()))
            mv.visitTypeInsn(CHECKCAST, retType.getInternalName());
    } else {
        mv.visitVarInsn(ALOAD, mcvar);
        String returnNativeType = minfo.returnNativeType;
        if ("GLenum".equals(returnNativeType) || "GLboolean".equals(returnNativeType)) {
            loadGLenumReturn(call.glName, "glEnumReturn", mv);
        } else if ("GLFWwindow *".equals(returnNativeType)) {
            mv.visitMethodInsn(INVOKESTATIC, RT_InternalName, "returnValueGlfwWindow", "(" + retType.getDescriptor() + MethodCall_Desc + ")" + retType.getDescriptor(), false);
        } else if ("GLFWmonitor *".equals(returnNativeType)) {
            mv.visitMethodInsn(INVOKESTATIC, RT_InternalName, "returnValueGlfwMonitor", "(" + retType.getDescriptor() + MethodCall_Desc + ")" + retType.getDescriptor(), false);
        } else {
            mv.visitMethodInsn(INVOKESTATIC, RT_InternalName, "returnValue", "(" + retType.getDescriptor() + MethodCall_Desc + ")" + retType.getDescriptor(), false);
        }
    }
    mv.visitVarInsn(ALOAD, mcvar);
    mv.visitMethodInsn(INVOKESTATIC, RT_InternalName, "methodCall", "(Lorg/lwjglx/debug/MethodCall;)V", false);
}
开发者ID:LWJGLX，项目名称:debug，代码行数:25，代码来源:InterceptClassGenerator.java

示例4: createBooleanObj

import org.objectweb.asm.MethodVisitor; //导入方法依赖的package包/类
private static void createBooleanObj(MethodVisitor mv, int argsPostion) {
    mv.visitTypeInsn(Opcodes.NEW, "java/lang/Byte");
    mv.visitInsn(Opcodes.DUP);
    mv.visitVarInsn(Opcodes.ILOAD, argsPostion);
    mv.visitMethodInsn(Opcodes.INVOKESPECIAL, "java/lang/Byte", "<init>", "(B)V");
    mv.visitInsn(Opcodes.AASTORE);
}
开发者ID:Meituan-Dianping，项目名称:Robust，代码行数:8，代码来源:RobustAsmUtils.java

示例5: generateParametersGetter

import org.objectweb.asm.MethodVisitor; //导入方法依赖的package包/类
private static void generateParametersGetter(ClassWriter cw, String selfClassInternalName, String selfClassDescriptor) {
    MethodVisitor mv;
    mv = cw.visitMethod(ACC_PUBLIC, "parameters", "()Ljava/util/List;", "()Ljava/util/List<Ljava/lang/reflect/Parameter;>;", null);
    mv.visitCode();
    Label l0 = new Label();
    mv.visitLabel(l0);
    mv.visitVarInsn(ALOAD, 0);
    mv.visitFieldInsn(GETFIELD, selfClassInternalName, "parameters", "Ljava/util/List;");
    mv.visitInsn(ARETURN);
    Label l1 = new Label();
    mv.visitLabel(l1);
    mv.visitLocalVariable("this", selfClassDescriptor, null, l0, l1, 0);
    mv.visitMaxs(-1, -1);
    mv.visitEnd();
}
开发者ID:primeval-io，项目名称:primeval-reflex，代码行数:16，代码来源:MethodArgumentsGenerator.java

示例6: createConstructor

import org.objectweb.asm.MethodVisitor; //导入方法依赖的package包/类
private void createConstructor(ClassWriter cw, String classDesc) {
    Label start = new Label();
    Label end = new Label();

    MethodVisitor mv = cw.visitMethod(ACC_PUBLIC, "<init>", "()V", null, null);
    mv.visitCode();
    mv.visitLabel(start);
    mv.visitVarInsn(ALOAD, 0);
    mv.visitMethodInsn(INVOKESPECIAL, BytecodeGenerator.OBJECT.getInternalName(), "<init>", "()V", false);
    mv.visitInsn(RETURN);
    mv.visitLabel(end);
    mv.visitLocalVariable("this", classDesc, null, start, end, 0);
    mv.visitMaxs(1, 1);
    mv.visitEnd();
}
开发者ID:Guichaguri，项目名称:FastMustache，代码行数:16，代码来源:MustacheCompiler.java

示例7: createIntegerObj

import org.objectweb.asm.MethodVisitor; //导入方法依赖的package包/类
private static void createIntegerObj(MethodVisitor mv, int argsPostion) {
    mv.visitTypeInsn(Opcodes.NEW, "java/lang/Integer");
    mv.visitInsn(Opcodes.DUP);
    mv.visitVarInsn(Opcodes.ILOAD, argsPostion);
    mv.visitMethodInsn(Opcodes.INVOKESPECIAL, "java/lang/Integer", "<init>", "(I)V");
    mv.visitInsn(Opcodes.AASTORE);
}
开发者ID:Meituan-Dianping，项目名称:Robust，代码行数:8，代码来源:RobustAsmUtils.java

示例8: apply

import org.objectweb.asm.MethodVisitor; //导入方法依赖的package包/类
@Override
public void apply(MethodVisitor mv) {
    mv.visitVarInsn(ALOAD, 0);
    mv.visitVarInsn(ALOAD, 1);
    mv.visitMethodInsn(INVOKESTATIC, "com/lhh/lkdb/LKDBModelManager", "updateToDB", "(Lcom/lhh/lkdb/ILKDBModel;Ljava/lang/Object;)Z", false);
    mv.visitInsn(IRETURN);
    mv.visitMaxs(2, 2);
    mv.visitEnd();
}
开发者ID:MeetYouDevs，项目名称:LKDBHelper-ORM-Android，代码行数:10，代码来源:UpdateToDBApply.java

示例9: loadArguments

import org.objectweb.asm.MethodVisitor; //导入方法依赖的package包/类
private static void loadArguments(MethodVisitor mv, Type[] paramTypes) {
    int var = 0;
    for (int i = 0; i < paramTypes.length; i++) {
        Type paramType = paramTypes[i];
        mv.visitVarInsn(paramType.getOpcode(ILOAD), var);
        var += paramType.getSize();
    }
}
开发者ID:LWJGLX，项目名称:debug，代码行数:9，代码来源:InterceptClassGenerator.java

示例10: accept

import org.objectweb.asm.MethodVisitor; //导入方法依赖的package包/类
@Override
public void accept(final MethodVisitor mv) {
    mv.visitVarInsn(opcode, var);
    acceptAnnotations(mv);
}
开发者ID:ItzSomebody，项目名称:Spigot-Nonce-ID-Finder，代码行数:6，代码来源:VarInsnNode.java

示例11: buildClosureClass

import org.objectweb.asm.MethodVisitor; //导入方法依赖的package包/类
private void buildClosureClass(TContext closure_ctx) throws CompileException {
  Debug.assertion(closure_ctx instanceof TContextClosure, "closure_ctx should be closure ctx");

  ClassWriter cw = new ClassWriter(ClassWriter.COMPUTE_FRAMES);
  ((TContextClosure) closure_ctx).setClassWriter(cw);

  cw.visit(Compiler.java_version, Opcodes.ACC_PUBLIC, closure_ctx.getName(), null, "java/lang/Object", null);

  // default constructor
  MethodVisitor mv = cw.visitMethod(Opcodes.ACC_PUBLIC, "<init>", "()V", null, null);
  mv.visitCode();

  LOG.info("ALOAD 0 for this");
  LOG.info("INVOKESPECIAL java/lang/Object");

  mv.visitVarInsn(Opcodes.ALOAD, 0); // this
  mv.visitMethodInsn(Opcodes.INVOKESPECIAL, "java/lang/Object", "<init>", "()V", false);
  if (Debug.enable_compile_debug_print) {
    mv.visitFieldInsn(Opcodes.GETSTATIC, "java/lang/System", "out", "Ljava/io/PrintStream;");
    mv.visitLdcInsn(closure_ctx.getName() + " was instantiated");
    mv.visitMethodInsn(Opcodes.INVOKEVIRTUAL, "java/io/PrintStream", "println", "(Ljava/lang/String;)V", false);
  }
  mv.visitInsn(Opcodes.RETURN);
  mv.visitMaxs(0, 0);
  mv.visitEnd();
  // end default constructor

  TContext parent_ctx = (TContext) closure_ctx.getOwnerType();
  Debug.assertion(parent_ctx != null, "parent_ctx should be valid");

  // add closure class member field
  Container var_cont = null;
  AbsType var_type = null;

  LinkedList<Container> var_list = closure_ctx.get_childvar_list();
  int var_size = var_list.size();
  Container closure_member_var = null;

  for (int i = 0; i < var_size; i++) {
    closure_member_var = var_list.get(i);
    var_cont = closure_member_var.getClosureOrgFuncvarContainer();

    Debug.assertion(var_cont != null, "var_cont should be valid");
    // Debug.assertion(var_cont.isForm(Container.FORM_FUNSTACK_VAR), "var_cont
    // should be stack variable");
    Debug.assertion(var_cont.isTypeInitialized(), "var_cont type should be initialized");

    if (var_cont.isForm(Container.FORM_FUNSTACK_VAR)) {
      // only assigned stack variable will be copied
      if (var_cont.isAssigned()) {
        LOG.debug("  (" + var_cont.getContextVarIdx() + ") " + var_cont);
        var_type = var_cont.getType();
        cw.visitField(Opcodes.ACC_PUBLIC, var_cont.getName(), var_type.getMthdDscStr(), null, null).visitEnd();
      }
    } else if (var_cont.isForm(Container.FORM_OBJMEMBER_VAR)) {
      LOG.debug("  (" + var_cont.getContextVarIdx() + ") " + var_cont);
      var_type = var_cont.getType();
      cw.visitField(Opcodes.ACC_PUBLIC, var_cont.getName(), var_type.getMthdDscStr(), null, null).visitEnd();
    } else {
      throw new CompileException("Invalid var_cont form(" + var_cont + ")");
    }

  }

}
开发者ID:Samsung，项目名称:MeziLang，代码行数:66，代码来源:ASTCompileVisitor.java

示例12: makeClazz

import org.objectweb.asm.MethodVisitor; //导入方法依赖的package包/类
private static byte[] makeClazz() {
    // Code generated the class below using asm.
    String clazzName = DeoptimizeOnExceptionTest.class.getName().replace('.', '/');
    final ClassWriter w = new ClassWriter(0);
    w.visit(Opcodes.V1_5, Opcodes.ACC_PUBLIC,
                    "t/TestJSR", null, "java/lang/Object",
                    new String[]{"java/lang/Runnable"});
    MethodVisitor mv = w.visitMethod(Opcodes.ACC_PUBLIC, "<init>", "()V", null, new String[]{});
    mv.visitCode();
    mv.visitVarInsn(Opcodes.ALOAD, 0);
    mv.visitMethodInsn(Opcodes.INVOKESPECIAL, "java/lang/Object", "<init>", "()V", false);
    mv.visitInsn(Opcodes.RETURN);
    mv.visitMaxs(10, 10);
    mv.visitEnd();

    mv = w.visitMethod(Opcodes.ACC_PUBLIC, "run", "()V", null, null);
    mv.visitCode();
    mv.visitMethodInsn(Opcodes.INVOKESTATIC, clazzName, "getM", "()Ljava/lang/Object;", false);
    Label l1 = new Label();
    mv.visitJumpInsn(Opcodes.JSR, l1);
    mv.visitInsn(Opcodes.RETURN);

    mv.visitLabel(l1);
    mv.visitVarInsn(Opcodes.ASTORE, 1);

    Label lElse = new Label();
    Label lEnd = new Label();
    mv.visitMethodInsn(Opcodes.INVOKESTATIC, "java/lang/System", "currentTimeMillis", "()J", false);
    mv.visitInsn(Opcodes.POP2);
    mv.visitMethodInsn(Opcodes.INVOKESTATIC, clazzName, "getM", "()Ljava/lang/Object;", false);
    mv.visitInsn(Opcodes.DUP);
    mv.visitJumpInsn(Opcodes.IFNULL, lElse);
    mv.visitMethodInsn(Opcodes.INVOKESTATIC, clazzName, "methodA", "()V", false);
    mv.visitJumpInsn(Opcodes.GOTO, lEnd);
    mv.visitLabel(lElse);
    mv.visitMethodInsn(Opcodes.INVOKESTATIC, clazzName, "methodB", "()V", false);
    mv.visitLabel(lEnd);

    mv.visitVarInsn(Opcodes.RET, 1);
    mv.visitMaxs(10, 10);
    mv.visitEnd();
    return w.toByteArray();
}
开发者ID:AdoptOpenJDK，项目名称:openjdk-jdk10，代码行数:44，代码来源:DeoptimizeOnExceptionTest.java

示例13: putMethodArgumentOnStack

import org.objectweb.asm.MethodVisitor; //导入方法依赖的package包/类
private void putMethodArgumentOnStack(MethodVisitor methodVisitor, Type type, int index) {
    methodVisitor.visitVarInsn(type.getOpcode(ILOAD), index);
}
开发者ID:lxxlxx888，项目名称:Reer，代码行数:4，代码来源:ManagedProxyClassGenerator.java

示例14: putThisOnStack

import org.objectweb.asm.MethodVisitor; //导入方法依赖的package包/类
protected void putThisOnStack(MethodVisitor methodVisitor) {
    methodVisitor.visitVarInsn(Opcodes.ALOAD, 0);
}
开发者ID:lxxlxx888，项目名称:Reer，代码行数:4，代码来源:AbstractProxyClassGenerator.java

示例15: insertGetObject

import org.objectweb.asm.MethodVisitor; //导入方法依赖的package包/类
@SuppressWarnings("deprecation")
static private void insertGetObject(ClassWriter cw, String classNameInternal, ArrayList<Field> fields) {
	int maxStack = 6;
	MethodVisitor mv = cw.visitMethod(ACC_PUBLIC, "get", "(Ljava/lang/Object;I)Ljava/lang/Object;", null, null);
	mv.visitCode();
	mv.visitVarInsn(ILOAD, 2);

	if (!fields.isEmpty()) {
		maxStack--;
		Label[] labels = new Label[fields.size()];
		for (int i = 0, n = labels.length; i < n; i++)
			labels[i] = new Label();
		Label defaultLabel = new Label();
		mv.visitTableSwitchInsn(0, labels.length - 1, defaultLabel, labels);

		for (int i = 0, n = labels.length; i < n; i++) {
			Field field = fields.get(i);

			mv.visitLabel(labels[i]);
			mv.visitFrame(F_SAME, 0, null, 0, null);
			mv.visitVarInsn(ALOAD, 1);
			mv.visitTypeInsn(CHECKCAST, classNameInternal);
			mv.visitFieldInsn(GETFIELD, classNameInternal, field.getName(), Type.getDescriptor(field.getType()));

			Type fieldType = Type.getType(field.getType());
			switch (fieldType.getSort()) {
			case Type.BOOLEAN:
				mv.visitMethodInsn(INVOKESTATIC, "java/lang/Boolean", "valueOf", "(Z)Ljava/lang/Boolean;");
				break;
			case Type.BYTE:
				mv.visitMethodInsn(INVOKESTATIC, "java/lang/Byte", "valueOf", "(B)Ljava/lang/Byte;");
				break;
			case Type.CHAR:
				mv.visitMethodInsn(INVOKESTATIC, "java/lang/Character", "valueOf", "(C)Ljava/lang/Character;");
				break;
			case Type.SHORT:
				mv.visitMethodInsn(INVOKESTATIC, "java/lang/Short", "valueOf", "(S)Ljava/lang/Short;");
				break;
			case Type.INT:
				mv.visitMethodInsn(INVOKESTATIC, "java/lang/Integer", "valueOf", "(I)Ljava/lang/Integer;");
				break;
			case Type.FLOAT:
				mv.visitMethodInsn(INVOKESTATIC, "java/lang/Float", "valueOf", "(F)Ljava/lang/Float;");
				break;
			case Type.LONG:
				mv.visitMethodInsn(INVOKESTATIC, "java/lang/Long", "valueOf", "(J)Ljava/lang/Long;");
				break;
			case Type.DOUBLE:
				mv.visitMethodInsn(INVOKESTATIC, "java/lang/Double", "valueOf", "(D)Ljava/lang/Double;");
				break;
			}

			mv.visitInsn(ARETURN);
		}

		mv.visitLabel(defaultLabel);
		mv.visitFrame(F_SAME, 0, null, 0, null);
	}
	insertThrowExceptionForFieldNotFound(mv);
	mv.visitMaxs(maxStack, 3);
	mv.visitEnd();
}
开发者ID:HankXV，项目名称:Limitart，代码行数:63，代码来源:FieldAccess.java


注：本文中的org.objectweb.asm.MethodVisitor.visitVarInsn方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。