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How to use MaxLocalsMethodVisitor method of org.powermock.core.bytebuddy.MaxLocalsExtractor class

Best Powermock code snippet using org.powermock.core.bytebuddy.MaxLocalsExtractor.MaxLocalsMethodVisitor

Source:MaxLocalsExtractor.java

...32    public MethodVisitor visitMethod(final int access, final String name, final String desc, final String signature,33                                     final String[] exceptions) {34        if (MethodDescription.CONSTRUCTOR_INTERNAL_NAME.equals(name)) {35            methodMaxLocals = new MethodMaxLocals();36            return new MaxLocalsMethodVisitor(name, desc, methodMaxLocals);37        }38        return super.visitMethod(access, name, desc, signature, exceptions);39    }40    41    public MethodMaxLocals getMethods() {42        return methodMaxLocals;43    }44    45    private static class MaxLocalsMethodVisitor extends MethodVisitor {46        47        private final String name;48        private final String signature;49        private final MethodMaxLocals methodMaxLocals;50        private int maxLocals;51        52        private MaxLocalsMethodVisitor(final String name, final String signature,53                                       final MethodMaxLocals methodMaxLocals) {54            super(Opcodes.ASM5);55            this.name = name;56            this.signature = signature;57            this.methodMaxLocals = methodMaxLocals;58        }59        60        @Override61        public void visitMaxs(final int maxStack, final int maxLocals) {62            this.maxLocals = maxLocals;63            super.visitMaxs(maxStack, maxLocals);64        }65        66        @Override...

MaxLocalsMethodVisitor

Using AI Code Generation

1    private static int getMaxLocals(final Method method) {2        try {3            final MethodVisitor methodVisitor = new MaxLocalsMethodVisitor(Opcodes.ASM5);4            final ClassReader classReader = new ClassReader(method.getDeclaringClass().getName());5            classReader.accept(new ClassVisitor(Opcodes.ASM5) {6                public MethodVisitor visitMethod(final int access, final String name, final String desc, final String signature, final String[] exceptions) {7                    if (name.equals(method.getName()) && desc.equals(Type.getMethodDescriptor(method))) {8                        return methodVisitor;9                    }10                    return super.visitMethod(access, name, desc, signature, exceptions);11                }12            }, ClassReader.SKIP_FRAMES);13            return methodVisitor.getMaxLocals();14        } catch (IOException e) {15            throw new RuntimeException(e);16        }17    }18}19    private static int getMaxLocals(final Method method) {20        try {21            final MethodVisitor methodVisitor = new MaxLocalsMethodVisitor(Opcodes.ASM5);22            final ClassReader classReader = new ClassReader(method.getDeclaringClass().getName());23            classReader.accept(new ClassVisitor(Opcodes.ASM5) {24                public MethodVisitor visitMethod(final int access, final String name, final String desc, final String signature, final String[] exceptions) {25                    if (name.equals(method.getName()) && desc.equals(Type.getMethodDescriptor(method))) {26                        return methodVisitor;27                    }28                    return super.visitMethod(access, name, desc, signature, exceptions);29                }30            }, ClassReader.SKIP_FRAMES);31            return methodVisitor.getMaxLocals();32        } catch (IOException e) {33            throw new RuntimeException(e);34        }35    }36Exception in thread "main" java.lang.RuntimeException: java.lang.IllegalArgumentException: Cannot find method org.powermock.core.bytebuddy.MaxLocalsMethodVisitor.visitMaxs(int, int) in org.powermock.core.bytebuddy.MaxLocalsMethodVisitor

MaxLocalsMethodVisitor

Using AI Code Generation

1public class MaxLocalsMethodVisitor extends MethodVisitor {2    private int maxLocals = 0;3    public MaxLocalsMethodVisitor() {4        super(Opcodes.ASM9);5    }6    public int getMaxLocals() {7        return maxLocals;8    }9    public void visitLocalVariable(String name, String descriptor, String signature, Label start, Label end, int index) {10        maxLocals = Math.max(index + 1, maxLocals);11    }12}13public class MaxStackMethodVisitor extends MethodVisitor {14    private int maxStack = 0;15    public MaxStackMethodVisitor() {16        super(Opcodes.ASM9);17    }18    public int getMaxStack() {19        return maxStack;20    }21    public void visitMaxs(int maxStack, int maxLocals) {22        this.maxStack = maxStack;23    }24}25public class MethodVisitorFactory {26    public static MethodVisitor createMethodVisitor(final ClassVisitor classVisitor, final int access, final String name, final String desc, final String signature, final String[] exceptions) {27        return classVisitor.visitMethod(access, name, desc, signature, exceptions);28    }29    public static MethodVisitor createMethodVisitor(final ClassVisitor classVisitor, final int access, final String name, final String desc, final String signature, final String[] exceptions, final MethodVisitor methodVisitor) {30        return classVisitor.visitMethod(access, name, desc, signature, exceptions);31    }32}33public class MethodVisitorFactory {34    public static MethodVisitor createMethodVisitor(final ClassVisitor classVisitor, final int access, final String name, final String desc, final String signature, final String[] exceptions) {35        return classVisitor.visitMethod(access, name, desc, signature, exceptions);36    }37    public static MethodVisitor createMethodVisitor(final ClassVisitor classVisitor, final int access, final String name, final String desc, final String signature, final String[] exceptions, final MethodVisitor methodVisitor) {

MaxLocalsMethodVisitor

Using AI Code Generation

1public class MaxLocalsExtractorTest {2    private static final String CLASS_NAME = "org/powermock/core/bytebuddy/MaxLocalsExtractorTest";3    private static final String METHOD_NAME = "test";4    private static final String METHOD_DESCRIPTOR = "()V";5    private static final String METHOD_SIGNATURE = null;6    private static final String[] EXCEPTIONS = new String[0];7    private static final String[] INTERFACES = new String[0];8    private static final String SUPER_CLASS = "java/lang/Object";9    private static final String[] INTERFACES_OF_SUPER_CLASS = new String[0];10    private static final String[] ANNOTATIONS = new String[0];11    public void testMaxLocalsExtractor() throws Exception {12        ClassWriter cw = new ClassWriter(ClassWriter.COMPUTE_MAXS);13        cw.visit(Opcodes.V1_6, Opcodes.ACC_PUBLIC, CLASS_NAME, null, SUPER_CLASS, INTERFACES);14        MethodVisitor mv = cw.visitMethod(Opcodes.ACC_PUBLIC, METHOD_NAME, METHOD_DESCRIPTOR, METHOD_SIGNATURE, EXCEPTIONS);15        mv.visitCode();16        mv.visitInsn(Opcodes.RETURN);17        mv.visitMaxs(0, 0);18        mv.visitEnd();19        cw.visitEnd();20        ClassReader cr = new ClassReader(cw.toByteArray());21        ClassNode cn = new ClassNode();22        cr.accept(cn, ClassReader.SKIP_FRAMES);23        MethodNode mn = (MethodNode) cn.methods.get(0);24        MethodVisitor mv2 = new MaxLocalsMethodVisitor(mn.access, mn.desc, mn.signature, mn.exceptions.toArray(new String[mn.exceptions.size()]), mn);25        mn.accept(mv2);26        Assert.assertEquals(1, mn.maxLocals);27    }28}29public class MaxLocalsExtractorTest {30    public void test() {31    }32}

MaxLocalsMethodVisitor

Using AI Code Generation

1public class MaxLocalsExtractorTest {2    private static final String CLASS_NAME = "org.powermock.core.bytebuddy.MaxLocalsExtractorTest";3    private static final String METHOD_NAME = "method";4    private static final String METHOD_DESC = "()V";5    private static final String METHOD_SIGNATURE = null;6    private static final String[] EXCEPTIONS = new String[0];7    private static final int MAX_LOCALS = 2;8    public void testMaxLocalsExtractor() throws Exception {9        ClassWriter cw = new ClassWriter(ClassWriter.COMPUTE_MAXS);10        cw.visit(Opcodes.V1_6, Opcodes.ACC_PUBLIC, CLASS_NAME, null, "java/lang/Object", null);11        MethodVisitor mv = cw.visitMethod(Opcodes.ACC_PUBLIC | Opcodes.ACC_STATIC, METHOD_NAME,12                METHOD_DESC, METHOD_SIGNATURE, EXCEPTIONS);13        mv.visitCode();14        mv.visitIntInsn(Opcodes.BIPUSH, 1);15        mv.visitVarInsn(Opcodes.ISTORE, 0);16        mv.visitIntInsn(Opcodes.BIPUSH, 2);17        mv.visitVarInsn(Opcodes.ISTORE, 1);18        mv.visitInsn(Opcodes.RETURN);19        mv.visitMaxs(0, 0);20        mv.visitEnd();21        cw.visitEnd();22        Class<?> clazz = new ByteBuddy()23                .redefine(MaxLocalsExtractorTest.class)24                .visit(new MaxLocalsExtractor(CLASS_NAME, METHOD_NAME, METHOD_DESC, METHOD_SIGNATURE, EXCEPTIONS))25                .make()26                .load(getClass().getClassLoader())27                .getLoaded();28        Method method = clazz.getMethod(METHOD_NAME);29        Assert.assertEquals(MAX_LOCALS, method.getAnnotation(MaxLocals.class).value());30    }31}32public class MaxLocalsExtractorTest {33    private static final String CLASS_NAME = "org.powermock.core.bytebuddy.MaxLocalsExtractorTest";34    private static final String METHOD_NAME = "method";35    private static final String METHOD_DESC = "()V";36    private static final String METHOD_SIGNATURE = null;37    private static final String[] EXCEPTIONS = new String[0];38    private static final int MAX_LOCALS = 2;

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