com.taobao.arthas.bytekit.asm.binding.Binding Maven / Gradle / Ivy
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package com.taobao.arthas.bytekit.asm.binding;
import java.lang.annotation.Annotation;
import java.lang.annotation.Documented;
import java.lang.annotation.ElementType;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import com.alibaba.arthas.deps.org.objectweb.asm.Type;
import com.alibaba.arthas.deps.org.objectweb.asm.tree.InsnList;
import com.taobao.arthas.bytekit.asm.binding.annotation.BindingParser;
import com.taobao.arthas.bytekit.asm.binding.annotation.BindingParserHandler;
public abstract class Binding {
/**
* 是否可选的，当不符合条件，或者获取不到值时，会转为 null，这个不支持原始类型，就像java.util.Optional 一样？
* @return
*/
public boolean optional() {
return false;
}
/**
* 检查当前条件下这个binding是否可以工作，比如检查field是否有这个field。
* @return
*/
public boolean check(BindingContext bindingContext) {
return true;
}
/**
* 把这个binding本身放到栈上
* @param instructions
* @param bindingContext
*/
public abstract void pushOntoStack(InsnList instructions, BindingContext bindingContext);
public abstract Type getType( BindingContext bindingContext);
public boolean fromStack() {
return false;
}
@Documented
@Retention(RetentionPolicy.RUNTIME)
@java.lang.annotation.Target(ElementType.PARAMETER)
@BindingParserHandler(parser = ArgsBindingParser.class)
public static @interface Args {
boolean optional() default false;
}
public static class ArgsBindingParser implements BindingParser {
@Override
public Binding parse(Annotation annotation) {
return new ArgsBinding();
}
}
@Documented
@Retention(RetentionPolicy.RUNTIME)
@java.lang.annotation.Target(ElementType.PARAMETER)
@BindingParserHandler(parser = ArgNamesBindingParser.class)
public static @interface ArgNames {
boolean optional() default false;
}
public static class ArgNamesBindingParser implements BindingParser {
@Override
public Binding parse(Annotation annotation) {
return new ArgNamesBinding();
}
}
@Documented
@Retention(RetentionPolicy.RUNTIME)
@java.lang.annotation.Target(ElementType.PARAMETER)
@BindingParserHandler(parser = LocalVarsBindingParser.class)
public static @interface LocalVars {
boolean optional() default false;
}
public static class LocalVarsBindingParser implements BindingParser {
@Override
public Binding parse(Annotation annotation) {
return new LocalVarsBinding();
}
}
@Documented
@Retention(RetentionPolicy.RUNTIME)
@java.lang.annotation.Target(ElementType.PARAMETER)
@BindingParserHandler(parser = LocalVarNamesBindingParser.class)
public static @interface LocalVarNames {
boolean optional() default false;
}
public static class LocalVarNamesBindingParser implements BindingParser {
@Override
public Binding parse(Annotation annotation) {
return new LocalVarNamesBinding();
}
}
@Documented
@Retention(RetentionPolicy.RUNTIME)
@java.lang.annotation.Target(ElementType.PARAMETER)
@BindingParserHandler(parser = ClassBindingParser.class)
public static @interface Class {
boolean optional() default false;
}
public static class ClassBindingParser implements BindingParser {
@Override
public Binding parse(Annotation annotation) {
return new ClassBinding();
}
}
@Documented
@Retention(RetentionPolicy.RUNTIME)
@java.lang.annotation.Target(ElementType.PARAMETER)
@BindingParserHandler(parser = FieldBindingParser.class)
public static @interface Field {
boolean optional() default false;
java.lang.Class owner() default Void.class;
java.lang.Class type() default Void.class;
String name();
boolean isStatic() default false;
boolean box() default false;
}
public static class FieldBindingParser implements BindingParser {
@Override
public Binding parse(Annotation annotation) {
Field field = (Field) annotation;
Type ownerType = Type.getType(field.owner());
if(field.owner().equals(Void.class)) {
ownerType = null;
}
Type fieldType = Type.getType(field.type());
if(field.type().equals(Void.class)) {
fieldType = null;
}
return new FieldBinding(ownerType, field.name(), fieldType,
field.isStatic(), field.box());
}
}
@Documented
@Retention(RetentionPolicy.RUNTIME)
@java.lang.annotation.Target(ElementType.PARAMETER)
@BindingParserHandler(parser = InvokeArgsBindingParser.class)
public static @interface InvokeArgs {
boolean optional() default false;
}
public static class InvokeArgsBindingParser implements BindingParser {
@Override
public Binding parse(Annotation annotation) {
return new InvokeArgsBinding();
}
}
@Documented
@Retention(RetentionPolicy.RUNTIME)
@java.lang.annotation.Target(ElementType.PARAMETER)
@BindingParserHandler(parser = InvokeReturnBindingParser.class)
public static @interface InvokeReturn {
boolean optional() default false;
}
public static class InvokeReturnBindingParser implements BindingParser {
@Override
public Binding parse(Annotation annotation) {
return new InvokeReturnBinding();
}
}
@Documented
@Retention(RetentionPolicy.RUNTIME)
@java.lang.annotation.Target(ElementType.PARAMETER)
@BindingParserHandler(parser = InvokeMethodNameBindingParser.class)
public static @interface InvokeMethodName {
boolean optional() default false;
}
public static class InvokeMethodNameBindingParser implements BindingParser {
@Override
public Binding parse(Annotation annotation) {
return new InvokeMethodNameBinding();
}
}
@Documented
@Retention(RetentionPolicy.RUNTIME)
@java.lang.annotation.Target(ElementType.PARAMETER)
@BindingParserHandler(parser = InvokeMethodOwnerBindingParser.class)
public static @interface InvokeMethodOwner {
boolean optional() default false;
}
public static class InvokeMethodOwnerBindingParser implements BindingParser {
@Override
public Binding parse(Annotation annotation) {
return new InvokeMethodOwnerBinding();
}
}
@Documented
@Retention(RetentionPolicy.RUNTIME)
@java.lang.annotation.Target(ElementType.PARAMETER)
@BindingParserHandler(parser = InvokeMethodDeclarationBindingParser.class)
public static @interface InvokeMethodDeclaration {
boolean optional() default false;
}
public static class InvokeMethodDeclarationBindingParser implements BindingParser {
@Override
public Binding parse(Annotation annotation) {
return new InvokeMethodDeclarationBinding();
}
}
@Documented
@Retention(RetentionPolicy.RUNTIME)
@java.lang.annotation.Target(ElementType.PARAMETER)
@BindingParserHandler(parser = InvokeInfoBindingParser.class)
public static @interface InvokeInfo {
boolean optional() default false;
}
public static class InvokeInfoBindingParser implements BindingParser {
@Override
public Binding parse(Annotation annotation) {
return new InvokeInfoBinding();
}
}
@Documented
@Retention(RetentionPolicy.RUNTIME)
@java.lang.annotation.Target(ElementType.PARAMETER)
@BindingParserHandler(parser = MethodBindingParser.class)
public static @interface Method {
boolean optional() default false;
}
public static class MethodBindingParser implements BindingParser {
@Override
public Binding parse(Annotation annotation) {
return new MethodBinding();
}
}
@Documented
@Retention(RetentionPolicy.RUNTIME)
@java.lang.annotation.Target(ElementType.PARAMETER)
@BindingParserHandler(parser = MethodNameBindingParser.class)
public static @interface MethodName {
boolean optional() default false;
}
public static class MethodNameBindingParser implements BindingParser {
@Override
public Binding parse(Annotation annotation) {
return new MethodNameBinding();
}
}
@Documented
@Retention(RetentionPolicy.RUNTIME)
@java.lang.annotation.Target(ElementType.PARAMETER)
@BindingParserHandler(parser = MethodDescBindingParser.class)
public static @interface MethodDesc {
boolean optional() default false;
}
public static class MethodDescBindingParser implements BindingParser {
@Override
public Binding parse(Annotation annotation) {
return new MethodDeclarationBinding();
}
}
@Documented
@Retention(RetentionPolicy.RUNTIME)
@java.lang.annotation.Target(ElementType.PARAMETER)
@BindingParserHandler(parser = MethodInfoBindingParser.class)
public static @interface MethodInfo {
boolean optional() default false;
}
public static class MethodInfoBindingParser implements BindingParser {
@Override
public Binding parse(Annotation annotation) {
return new MethodInfoBinding();
}
}
@Documented
@Retention(RetentionPolicy.RUNTIME)
@java.lang.annotation.Target(ElementType.PARAMETER)
@BindingParserHandler(parser = ReturnBindingParser.class)
public static @interface Return {
boolean optional() default false;
}
public static class ReturnBindingParser implements BindingParser {
@Override
public Binding parse(Annotation annotation) {
return new ReturnBinding();
}
}
@Documented
@Retention(RetentionPolicy.RUNTIME)
@java.lang.annotation.Target(ElementType.PARAMETER)
@BindingParserHandler(parser = ThisBindingParser.class)
public static @interface This {
}
public static class ThisBindingParser implements BindingParser {
@Override
public Binding parse(Annotation annotation) {
return new ThisBinding();
}
}
@Documented
@Retention(RetentionPolicy.RUNTIME)
@java.lang.annotation.Target(ElementType.PARAMETER)
@BindingParserHandler(parser = ThrowableBindingParser.class)
public static @interface Throwable {
boolean optional() default false;
}
public static class ThrowableBindingParser implements BindingParser {
@Override
public Binding parse(Annotation annotation) {
return new ThrowableBinding();
}
}
@Documented
@Retention(RetentionPolicy.RUNTIME)
@java.lang.annotation.Target(ElementType.PARAMETER)
@BindingParserHandler(parser = LineBindingParser.class)
public static @interface Line {
boolean optional() default false;
/**
* 是否精确是在某个 LineNumberNode 上。如果为true的话，会向上找到最接近的 LineNumberNode
*
* @return
*/
boolean exact() default false;
}
public static class LineBindingParser implements BindingParser {
@Override
public Binding parse(Annotation annotation) {
Line line = (Line) annotation;
return new LineBinding(line.exact());
}
}
@Documented
@Retention(RetentionPolicy.RUNTIME)
@java.lang.annotation.Target(ElementType.PARAMETER)
@BindingParserHandler(parser = MonitorBindingParser.class)
public static @interface Monitor {
boolean optional() default false;
}
public static class MonitorBindingParser implements BindingParser {
@Override
public Binding parse(Annotation annotation) {
return new MonitorBinding();
}
}
}