Example usage for org.objectweb.asm Opcodes INVOKESTATIC

List of usage examples for org.objectweb.asm Opcodes INVOKESTATIC

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Introduction

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

Prototype

int INVOKESTATIC

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

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Usage

From source file:com.alibaba.hotswap.processor.jdk.lang.modifier.GetXFieldsFilterModifier.java

License:Open Source License

@Override
public void visitInsn(int opcode) {
    if (opcode == Opcodes.ARETURN) {
        mv.visitMethodInsn(Opcodes.INVOKESTATIC, Type.getInternalName(FieldReflectHelper.class),
                "filterHotswapFields", "([Ljava/lang/reflect/Field;)[Ljava/lang/reflect/Field;");
    }/*from ww  w.j  a v a 2 s. c  o m*/
    super.visitInsn(opcode);
}

From source file:com.alibaba.hotswap.processor.jdk.lang.modifier.PrivateGetDeclaredConstructors.java

License:Open Source License

@Override
public void visitMethodInsn(int opcode, String owner, String name, String desc) {

    if (opcode == Opcodes.INVOKESPECIAL && owner.equals("java/lang/Class")
            && name.equals("getDeclaredConstructors0") && desc.equals("(Z)[Ljava/lang/reflect/Constructor;")) {
        mv.visitVarInsn(Opcodes.ALOAD, 0);
        mv.visitMethodInsn(Opcodes.INVOKEVIRTUAL, "java/lang/Class", "getName", "()Ljava/lang/String;");
        mv.visitMethodInsn(Opcodes.INVOKESTATIC, Type.getInternalName(HotswapRuntime.class), "hasClassMeta",
                "(Ljava/lang/String;)Z");
        Label old = new Label();
        mv.visitJumpInsn(Opcodes.IFEQ, old);

        mv.visitMethodInsn(Opcodes.INVOKESTATIC, Type.getInternalName(MethodReflectHelper.class),
                "getDeclaredConstructors0", "(Ljava/lang/Class;Z)[Ljava/lang/reflect/Constructor;");
        Label end = new Label();
        mv.visitJumpInsn(Opcodes.GOTO, end);
        mv.visitLabel(old);/*w ww .  jav a 2  s .  co m*/
        super.visitMethodInsn(opcode, owner, name, desc);
        mv.visitLabel(end);
    } else {
        super.visitMethodInsn(opcode, owner, name, desc);
    }
}

From source file:com.alibaba.hotswap.processor.jdk.lang.modifier.PrivateGetDeclaredFieldsModifier.java

License:Open Source License

@Override
public void visitMethodInsn(int opcode, String owner, String name, String desc) {

    if (opcode == Opcodes.INVOKESPECIAL && owner.equals("java/lang/Class") && name.equals("getDeclaredFields0")
            && desc.equals("(Z)[Ljava/lang/reflect/Field;")) {
        mv.visitVarInsn(Opcodes.ALOAD, 0);
        mv.visitMethodInsn(Opcodes.INVOKEVIRTUAL, "java/lang/Class", "getName", "()Ljava/lang/String;");
        mv.visitMethodInsn(Opcodes.INVOKESTATIC, Type.getInternalName(HotswapRuntime.class), "hasClassMeta",
                "(Ljava/lang/String;)Z");
        Label old = new Label();
        mv.visitJumpInsn(Opcodes.IFEQ, old);

        // mv.visitInsn(Opcodes.POP2);
        // mv.visitVarInsn(Opcodes.ALOAD, 0);
        // mv.visitVarInsn(Opcodes.ILOAD, 1);
        mv.visitMethodInsn(Opcodes.INVOKESTATIC, Type.getInternalName(FieldReflectHelper.class),
                "privateGetDeclaredFields0", "(Ljava/lang/Class;Z)[Ljava/lang/reflect/Field;");
        Label end = new Label();
        mv.visitJumpInsn(Opcodes.GOTO, end);
        mv.visitLabel(old);//from ww w .  j  a v  a2  s. c  o  m
        super.visitMethodInsn(opcode, owner, name, desc);
        mv.visitLabel(end);
    } else {
        super.visitMethodInsn(opcode, owner, name, desc);
    }
}

From source file:com.alibaba.hotswap.processor.jdk.reflect.modifier.ConstructorNewInstanceModifier.java

License:Open Source License

@Override
public void visitCode() {
    super.visitCode();
    Label old = new Label();

    mv.visitVarInsn(Opcodes.ALOAD, 0);//from  w w  w  . jav  a  2 s  .co m
    mv.visitFieldInsn(Opcodes.GETFIELD, "java/lang/reflect/Constructor", "parameterTypes",
            "[Ljava/lang/Class;");
    mv.visitMethodInsn(Opcodes.INVOKESTATIC, Type.getInternalName(MethodReflectHelper.class),
            "isUniformConstructorArgsType", "([Ljava/lang/Class;)Z");
    ifZCmp(NE, old);

    mv.visitVarInsn(Opcodes.ALOAD, 0);
    mv.visitFieldInsn(Opcodes.GETFIELD, "java/lang/reflect/Constructor", "clazz", "Ljava/lang/Class;");
    mv.visitMethodInsn(Opcodes.INVOKEVIRTUAL, "java/lang/Class", "getName", "()Ljava/lang/String;");
    mv.visitMethodInsn(Opcodes.INVOKESTATIC, Type.getInternalName(HotswapRuntime.class), "hasClassMeta",
            "(Ljava/lang/String;)Z");
    mv.visitJumpInsn(Opcodes.IFEQ, old);

    // check it as a primary constructor
    mv.visitVarInsn(Opcodes.ALOAD, 0);
    mv.visitFieldInsn(Opcodes.GETFIELD, "java/lang/reflect/Constructor", "clazz", "Ljava/lang/Class;");
    mv.visitMethodInsn(Opcodes.INVOKEVIRTUAL, "java/lang/Class", "getName", "()Ljava/lang/String;");
    mv.visitMethodInsn(Opcodes.INVOKESTATIC, Type.getInternalName(HotswapRuntime.class), "getClassMeta",
            "(Ljava/lang/String;)Lcom/alibaba/hotswap/meta/ClassMeta;");
    mv.visitLdcInsn(HotswapConstants.INIT);
    mv.visitVarInsn(Opcodes.ALOAD, 0);
    mv.visitMethodInsn(Opcodes.INVOKESTATIC, Type.getInternalName(Type.class), "getConstructorDescriptor",
            "(Ljava/lang/reflect/Constructor;)Ljava/lang/String;");
    mv.visitMethodInsn(Opcodes.INVOKEVIRTUAL, Type.getInternalName(ClassMeta.class), "isPrimaryInitMethod",
            "(Ljava/lang/String;Ljava/lang/String;)Z");
    mv.visitJumpInsn(Opcodes.IFNE, old);

    // get uniform constructor
    mv.visitVarInsn(Opcodes.ALOAD, 0);
    mv.visitFieldInsn(Opcodes.GETFIELD, "java/lang/reflect/Constructor", "clazz", "Ljava/lang/Class;");
    mv.visitMethodInsn(Opcodes.INVOKESTATIC, Type.getInternalName(HotswapMethodUtil.class),
            "getConstructorParamTypes", "()[Ljava/lang/Class;");
    mv.visitMethodInsn(Opcodes.INVOKEVIRTUAL, "java/lang/Class", "getConstructor",
            "([Ljava/lang/Class;)Ljava/lang/reflect/Constructor;");

    // index and objs
    mv.visitVarInsn(Opcodes.ALOAD, 0);
    mv.visitFieldInsn(Opcodes.GETFIELD, "java/lang/reflect/Constructor", "clazz", "Ljava/lang/Class;");
    mv.visitMethodInsn(Opcodes.INVOKEVIRTUAL, "java/lang/Class", "getName", "()Ljava/lang/String;");
    mv.visitLdcInsn(HotswapConstants.INIT);
    mv.visitVarInsn(Opcodes.ALOAD, 0);
    mv.visitMethodInsn(Opcodes.INVOKESTATIC, Type.getInternalName(Type.class), "getConstructorDescriptor",
            "(Ljava/lang/reflect/Constructor;)Ljava/lang/String;");
    loadArgs();
    mv.visitMethodInsn(Opcodes.INVOKESTATIC, Type.getInternalName(HotswapMethodUtil.class), "getMethodParams",
            "(Ljava/lang/String;Ljava/lang/String;Ljava/lang/String;[Ljava/lang/Object;)[Ljava/lang/Object;");

    mv.visitMethodInsn(Opcodes.INVOKEVIRTUAL, "java/lang/reflect/Constructor", "newInstance",
            "([Ljava/lang/Object;)Ljava/lang/Object;");
    mv.visitInsn(Opcodes.ARETURN);

    mv.visitLabel(old);
}

From source file:com.alibaba.hotswap.processor.jdk.reflect.modifier.DeclaredAnnotationsModifier.java

License:Open Source License

@Override
public void visitMethodInsn(int opcode, String owner, String name, String desc) {
    if (opcode == Opcodes.INVOKEVIRTUAL
            && (owner.equals("java/lang/reflect/Field") || owner.equals("java/lang/reflect/Constructor"))
            && name.equals("getDeclaringClass") && desc.equals("()Ljava/lang/Class;")) {
        super.visitMethodInsn(opcode, owner, name, desc);
        dup();//w w  w. j a  v  a2  s . c o  m
        mv.visitMethodInsn(Opcodes.INVOKESTATIC, Type.getInternalName(ReflectHelper.class), "getVClassByClass",
                "(Ljava/lang/Class;)Ljava/lang/Class;");
        dup();
        Label old = newLabel();
        ifNull(old);
        swap();

        mark(old);
        pop();
        return;
    }
    super.visitMethodInsn(opcode, owner, name, desc);
}

From source file:com.android.build.gradle.internal.incremental.IncrementalChangeVisitor.java

License:Apache License

/**
 * To each class, add the dispatch method called by the original code that acts as a trampoline to
 * invoke the changed methods.//from w  w w  .j a v  a 2s.  c  om
 * <p>
 * Pseudo code:
 * <code>
 *   Object access$dispatch(String name, object[] args) {
 *      if (name.equals(
 *          "firstMethod.(L$type;Ljava/lang/String;Ljava/lang/Object;)Ljava/lang/Object;")) {
 *        return firstMethod(($type)arg[0], (String)arg[1], arg[2]);
 *      }
 *      if (name.equals("secondMethod.(L$type;Ljava/lang/String;I;)V")) {
 *        secondMethod(($type)arg[0], (String)arg[1], (int)arg[2]);
 *        return;
 *      }
 *      ...
 *      StringBuilder $local1 = new StringBuilder();
 *      $local1.append("Method not found ");
 *      $local1.append(name);
 *      $local1.append(" in " + visitedClassName +
 *          "$dispatch implementation, restart the application");
 *      throw new $package/InstantReloadException($local1.toString());
 *   }
 * </code>
 */
private void addDispatchMethod() {
    int access = Opcodes.ACC_PUBLIC | Opcodes.ACC_VARARGS;
    Method m = new Method("access$dispatch", "(Ljava/lang/String;[Ljava/lang/Object;)Ljava/lang/Object;");
    MethodVisitor visitor = super.visitMethod(access, m.getName(), m.getDescriptor(), null, null);

    final GeneratorAdapter mv = new GeneratorAdapter(access, m, visitor);

    if (TRACING_ENABLED) {
        mv.push("Redirecting ");
        mv.loadArg(0);
        trace(mv, 2);
    }

    List<MethodNode> allMethods = new ArrayList<>();

    // if we are disabled, do not generate any dispatch, the method will throw an exception
    // if invoked which should never happen.
    if (!instantRunDisabled) {
        //noinspection unchecked
        allMethods.addAll(classNode.methods);
        allMethods.addAll(addedMethods);
    }

    final Map<String, MethodNode> methods = new HashMap<>();
    for (MethodNode methodNode : allMethods) {
        if (methodNode.name.equals("<clinit>") || methodNode.name.equals("<init>")) {
            continue;
        }
        if (!isAccessCompatibleWithInstantRun(methodNode.access)) {
            continue;
        }
        methods.put(methodNode.name + "." + methodNode.desc, methodNode);
    }

    new StringSwitch() {
        @Override
        void visitString() {
            mv.visitVarInsn(Opcodes.ALOAD, 1);
        }

        @Override
        void visitCase(String methodName) {
            MethodNode methodNode = methods.get(methodName);
            String name = methodNode.name;
            boolean isStatic = (methodNode.access & Opcodes.ACC_STATIC) != 0;
            String newDesc = computeOverrideMethodDesc(methodNode.desc, isStatic);

            if (TRACING_ENABLED) {
                trace(mv, "M: " + name + " P:" + newDesc);
            }
            Type[] args = Type.getArgumentTypes(newDesc);
            int argc = 0;
            for (Type t : args) {
                mv.visitVarInsn(Opcodes.ALOAD, 2);
                mv.push(argc);
                mv.visitInsn(Opcodes.AALOAD);
                ByteCodeUtils.unbox(mv, t);
                argc++;
            }
            mv.visitMethodInsn(Opcodes.INVOKESTATIC, visitedClassName + "$override",
                    isStatic ? computeOverrideMethodName(name, methodNode.desc) : name, newDesc, false);
            Type ret = Type.getReturnType(methodNode.desc);
            if (ret.getSort() == Type.VOID) {
                mv.visitInsn(Opcodes.ACONST_NULL);
            } else {
                mv.box(ret);
            }
            mv.visitInsn(Opcodes.ARETURN);
        }

        @Override
        void visitDefault() {
            writeMissingMessageWithHash(mv, visitedClassName);
        }
    }.visit(mv, methods.keySet());

    mv.visitMaxs(0, 0);
    mv.visitEnd();

    super.visitEnd();
}

From source file:com.android.build.gradle.internal.incremental.StringSwitch.java

License:Apache License

/**
 * Generates a standard error exception with message similar to:
 *
 *    String switch could not find 'equals.(Ljava/lang/Object;)Z' with hashcode 0
 *    in com/example/basic/GrandChild//from  w  w w . j a  v a2s .  co  m
 *
 * @param mv The generator adaptor used to emit the lookup switch code.
 * @param visitedClassName The abstract string trie structure.
 */
void writeMissingMessageWithHash(GeneratorAdapter mv, String visitedClassName) {
    mv.newInstance(INSTANT_RELOAD_EXCEPTION_TYPE);
    mv.dup();
    mv.push("String switch could not find '%s' with hashcode %s in %s");
    mv.push(3);
    mv.newArray(OBJECT_TYPE);
    mv.dup();
    mv.push(0);
    visitString();
    mv.arrayStore(OBJECT_TYPE);
    mv.dup();
    mv.push(1);
    visitString();
    visitHashMethod(mv);
    mv.visitMethodInsn(Opcodes.INVOKESTATIC, "java/lang/Integer", "valueOf", "(I)Ljava/lang/Integer;", false);
    mv.arrayStore(OBJECT_TYPE);
    mv.dup();
    mv.push(2);
    mv.push(visitedClassName);
    mv.arrayStore(OBJECT_TYPE);
    mv.visitMethodInsn(Opcodes.INVOKESTATIC, "java/lang/String", "format",
            "(Ljava/lang/String;[Ljava/lang/Object;)Ljava/lang/String;", false);
    mv.invokeConstructor(INSTANT_RELOAD_EXCEPTION_TYPE, Method.getMethod("void <init> (String)"));
    mv.throwException();
}

From source file:com.android.build.gradle.internal2.incremental.IncrementalChangeVisitor.java

License:Apache License

/**
 * To each class, add the dispatch method called by the original code that acts as a trampoline to
 * invoke the changed methods.//w  w w  . j a  v a2  s . c o m
 * <p>
 * Pseudo code:
 * <code>
 *   Object access$dispatch(String name, object[] args) {
 *      if (name.equals(
 *          "firstMethod.(L$type;Ljava/lang/String;Ljava/lang/Object;)Ljava/lang/Object;")) {
 *        return firstMethod(($type)arg[0], (String)arg[1], arg[2]);
 *      }
 *      if (name.equals("secondMethod.(L$type;Ljava/lang/String;I;)V")) {
 *        secondMethod(($type)arg[0], (String)arg[1], (int)arg[2]);
 *        return;
 *      }
 *      ...
 *      StringBuilder $local1 = new StringBuilder();
 *      $local1.append("Method not found ");
 *      $local1.append(name);
 *      $local1.append(" in " + visitedClassName +
 *          "$dispatch implementation, restart the application");
 *      throw new $package/InstantReloadException($local1.toString());
 *   }
 * </code>
 */
private void addDispatchMethod() {
    int access = Opcodes.ACC_PUBLIC | Opcodes.ACC_VARARGS;
    Method m = new Method("access$dispatch", "(Ljava/lang/String;[Ljava/lang/Object;)Ljava/lang/Object;");
    MethodVisitor visitor = super.visitMethod(access, m.getName(), m.getDescriptor(), null, null);

    final GeneratorAdapter mv = new GeneratorAdapter(access, m, visitor);

    if (TRACING_ENABLED) {
        mv.push("Redirecting ");
        mv.loadArg(0);
        trace(mv, 2);
    }

    List<MethodNode> allMethods = new ArrayList<>();

    // if we are disabled, do not generate any dispatch, the method will throw an exception
    // if invoked which should never happen.
    if (!instantRunDisabled) {
        //noinspection unchecked
        allMethods.addAll(classNode.methods);
        allMethods.addAll(addedMethods);
    }

    final Map<String, MethodNode> methods = new HashMap<>();
    for (MethodNode methodNode : allMethods) {
        if (methodNode.name.equals(ByteCodeUtils.CLASS_INITIALIZER)
                || methodNode.name.equals(ByteCodeUtils.CONSTRUCTOR)) {
            continue;
        }
        if (!isAccessCompatibleWithInstantRun(methodNode.access)) {
            continue;
        }
        methods.put(methodNode.name + "." + methodNode.desc, methodNode);
    }

    new StringSwitch() {
        @Override
        void visitString() {
            mv.visitVarInsn(Opcodes.ALOAD, 1);
        }

        @Override
        void visitCase(String methodName) {
            MethodNode methodNode = methods.get(methodName);
            String name = methodNode.name;
            boolean isStatic = (methodNode.access & Opcodes.ACC_STATIC) != 0;
            String newDesc = computeOverrideMethodDesc(methodNode.desc, isStatic);

            if (TRACING_ENABLED) {
                trace(mv, "M: " + name + " P:" + newDesc);
            }
            Type[] args = Type.getArgumentTypes(newDesc);
            int argc = 0;
            for (Type t : args) {
                mv.visitVarInsn(Opcodes.ALOAD, 2);
                mv.push(argc);
                mv.visitInsn(Opcodes.AALOAD);
                ByteCodeUtils.unbox(mv, t);
                argc++;
            }
            mv.visitMethodInsn(Opcodes.INVOKESTATIC, visitedClassName + "$override",
                    isStatic ? computeOverrideMethodName(name, methodNode.desc) : name, newDesc, false);
            Type ret = Type.getReturnType(methodNode.desc);
            if (ret.getSort() == Type.VOID) {
                mv.visitInsn(Opcodes.ACONST_NULL);
            } else {
                mv.box(ret);
            }
            mv.visitInsn(Opcodes.ARETURN);
        }

        @Override
        void visitDefault() {
            writeMissingMessageWithHash(mv, visitedClassName);
        }
    }.visit(mv, methods.keySet());

    mv.visitMaxs(0, 0);
    mv.visitEnd();

    super.visitEnd();
}

From source file:com.android.ide.eclipse.apt.internal.analysis.InnerClassAnalyzer.java

License:Apache License

@Override
protected Collection<Problem> analyzeMethod(MethodNode methodNode) {
    final LinkedList<Problem> problems = new LinkedList<Problem>();
    final InsnList instructions = methodNode.instructions;
    for (int i = 0; i < instructions.size(); i++) {
        final AbstractInsnNode insnNode = instructions.get(i);
        if (insnNode.getOpcode() == Opcodes.INVOKESTATIC) {
            final MethodInsnNode method = (MethodInsnNode) insnNode;
            if (isStaticAccess(method)) {
                if (confirmParentClassAccess(methodNode, method)) {
                    final AbstractInsnNode inst = retrieveMethodOrField(method);
                    final int type = inst.getType();
                    if (type == AbstractInsnNode.FIELD_INSN || type == AbstractInsnNode.METHOD_INSN) {
                        final Problem problem = new Problem(inst);
                        problems.add(problem);
                    }//from  w ww  .  j a va2s  .com
                }
            }
        }
    }
    return problems;
}

From source file:com.android.ide.eclipse.apt.internal.analysis.InternalGetSetAnalyzer.java

License:Apache License

@Override
protected Collection<Problem> analyzeMethod(MethodNode methodNode) {
    final Collection<Problem> problems = new LinkedList<Problem>();
    final InsnList instructions = methodNode.instructions;
    for (int i = 0; i < instructions.size(); i++) {
        final AbstractInsnNode instruction = instructions.get(i);
        final int op = instruction.getOpcode();
        if (op == Opcodes.INVOKESTATIC || op == Opcodes.INVOKEVIRTUAL) {
            final MethodInsnNode method = (MethodInsnNode) instruction;
            if (isGetterOrSetter(method)) {
                final Problem problem = new Problem(instruction);
                problems.add(problem);/*  w  w w .  jav a  2s.c  o  m*/
            }
        }
    }
    return problems;
}