Examples with ClassReader jdk.internal.org.objectweb.asm.ClassReader used on opensource projects

Example 11 with ClassReader

use of jdk.internal.org.objectweb.asm.ClassReader in project jdk8u_jdk by JetBrains.

the class Textifier method main.

/**
     * Prints a disassembled view of the given class to the standard output.
     * <p>
     * Usage: Textifier [-debug] &lt;binary class name or class file name &gt;
     *
     * @param args
     *            the command line arguments.
     *
     * @throws Exception
     *             if the class cannot be found, or if an IO exception occurs.
     */
public static void main(final String[] args) throws Exception {
    int i = 0;
    int flags = ClassReader.SKIP_DEBUG;
    boolean ok = true;
    if (args.length < 1 || args.length > 2) {
        ok = false;
    }
    if (ok && "-debug".equals(args[0])) {
        i = 1;
        flags = 0;
        if (args.length != 2) {
            ok = false;
        }
    }
    if (!ok) {
        System.err.println("Prints a disassembled view of the given class.");
        System.err.println("Usage: Textifier [-debug] " + "<fully qualified class name or class file name>");
        return;
    }
    ClassReader cr;
    if (args[i].endsWith(".class") || args[i].indexOf('\\') > -1 || args[i].indexOf('/') > -1) {
        cr = new ClassReader(new FileInputStream(args[i]));
    } else {
        cr = new ClassReader(args[i]);
    }
    cr.accept(new TraceClassVisitor(new PrintWriter(System.out)), flags);
}

Example 12 with ClassReader

use of jdk.internal.org.objectweb.asm.ClassReader in project warn-report by saaavsaaa.

the class AddFieldAdapter method main.

public static void main(String[] args) throws ClassNotFoundException, IOException, IllegalAccessException, InstantiationException, NoSuchFieldException {
    ClassVisitorTest.changeVersion();
    byte[] data = ResourceUtil.loadFile("ClassCode.class");
    ClassReader cr = new ClassReader(data);
    ClassWriter cw = new ClassWriter(0);
    // cw = deleteField(cr, cw);
    cw = addField(cr, cw);
    cw = ClassMethodVisitor.add(cr, cw);
    byte[] b = cw.toByteArray();
    ResourceUtil.write("ClassCode.class", b);
}

Example 13 with ClassReader

use of jdk.internal.org.objectweb.asm.ClassReader in project warn-report by saaavsaaa.

the class VisitUtil method display.

public static void display(byte[] data) {
    ClassReader reader = new ClassReader(data);
    StringWriter sw = new StringWriter();
    PrintWriter pw = new PrintWriter(sw);
    CheckClassAdapter.verify(reader, true, pw);
    System.out.println(sw.toString());
}

Example 14 with ClassReader

use of jdk.internal.org.objectweb.asm.ClassReader in project warn-report by saaavsaaa.

the class DelegageClassAdapter method main.

public static void main(String[] args) throws IOException {
    ClassNode cn = new ClassNode(ASM5);
    ClassReader cr = new ClassReader("...");
    cr.accept(cn, 0);
    // 可以在这里根据需要转换 cn
    ClassWriter cw = new ClassWriter(0);
    cn.accept(cw);
    byte[] b = cw.toByteArray();
}

Example 15 with ClassReader

use of jdk.internal.org.objectweb.asm.ClassReader in project jdk8u_jdk by JetBrains.

the class ASMifier method main.

/**
     * Prints the ASM source code to generate the given class to the standard
     * output.
     * <p>
     * Usage: ASMifier [-debug] &lt;binary class name or class file name&gt;
     *
     * @param args
     *            the command line arguments.
     *
     * @throws Exception
     *             if the class cannot be found, or if an IO exception occurs.
     */
public static void main(final String[] args) throws Exception {
    int i = 0;
    int flags = ClassReader.SKIP_DEBUG;
    boolean ok = true;
    if (args.length < 1 || args.length > 2) {
        ok = false;
    }
    if (ok && "-debug".equals(args[0])) {
        i = 1;
        flags = 0;
        if (args.length != 2) {
            ok = false;
        }
    }
    if (!ok) {
        System.err.println("Prints the ASM code to generate the given class.");
        System.err.println("Usage: ASMifier [-debug] " + "<fully qualified class name or class file name>");
        return;
    }
    ClassReader cr;
    if (args[i].endsWith(".class") || args[i].indexOf('\\') > -1 || args[i].indexOf('/') > -1) {
        cr = new ClassReader(new FileInputStream(args[i]));
    } else {
        cr = new ClassReader(args[i]);
    }
    cr.accept(new TraceClassVisitor(null, new ASMifier(), new PrintWriter(System.out)), flags);
}