Java AbstractVisitor类代码示例

import org.objectweb.asm.util.AbstractVisitor; //导入依赖的package包/类
public final void visitTableSwitchInsn(
    int min,
    int max,
    Label dflt,
    Label[] labels)
{
    AttributesImpl attrs = new AttributesImpl();
    attrs.addAttribute("", "min", "min", "", Integer.toString(min));
    attrs.addAttribute("", "max", "max", "", Integer.toString(max));
    attrs.addAttribute("", "dflt", "dflt", "", getLabel(dflt));
    String o = AbstractVisitor.OPCODES[Opcodes.TABLESWITCH];
    addStart(o, attrs);
    for (int i = 0; i < labels.length; i++) {
        AttributesImpl att2 = new AttributesImpl();
        att2.addAttribute("", "name", "name", "", getLabel(labels[i]));
        addElement("label", att2);
    }
    addEnd(o);
}
 

import org.objectweb.asm.util.AbstractVisitor; //导入依赖的package包/类
public final void visitLookupSwitchInsn(
    Label dflt,
    int[] keys,
    Label[] labels)
{
    AttributesImpl att = new AttributesImpl();
    att.addAttribute("", "dflt", "dflt", "", getLabel(dflt));
    String o = AbstractVisitor.OPCODES[Opcodes.LOOKUPSWITCH];
    addStart(o, att);
    for (int i = 0; i < labels.length; i++) {
        AttributesImpl att2 = new AttributesImpl();
        att2.addAttribute("", "name", "name", "", getLabel(labels[i]));
        att2.addAttribute("", "key", "key", "", Integer.toString(keys[i]));
        addElement("label", att2);
    }
    addEnd(o);
}
 

import org.objectweb.asm.util.AbstractVisitor; //导入依赖的package包/类
@Override
public void visitInvokeDynamicInsn(String name, String desc, Handle bsm,
        Object... bsmArgs) {
    AttributesImpl attrs = new AttributesImpl();
    attrs.addAttribute("", "name", "name", "", name);
    attrs.addAttribute("", "desc", "desc", "", desc);
    attrs.addAttribute("", "bsm", "bsm", "",
            SAXClassAdapter.encode(bsm.toString()));
    String o = AbstractVisitor.OPCODES[Opcodes.INVOKEDYNAMIC];
    addStart(o, attrs);
    for (int i = 0; i < bsmArgs.length; i++) {
        AttributesImpl cattrs = new AttributesImpl();
        cattrs.addAttribute("", "cst", "cst", "",
                SAXClassAdapter.encode(bsmArgs[i].toString()));
        cattrs.addAttribute("", "desc", "desc", "",
                Type.getDescriptor(bsmArgs[i].getClass()));
        addElement("bsmArg", cattrs);
    }
    addEnd(o);
}
 

import org.objectweb.asm.util.AbstractVisitor; //导入依赖的package包/类
public final void visitFieldInsn(
    int opcode,
    String owner,
    String name,
    String desc)
{
    AttributesImpl attrs = new AttributesImpl();
    attrs.addAttribute("", "owner", "owner", "", owner);
    attrs.addAttribute("", "name", "name", "", name);
    attrs.addAttribute("", "desc", "desc", "", desc);
    addElement(AbstractVisitor.OPCODES[opcode], attrs);
}
 

import org.objectweb.asm.util.AbstractVisitor; //导入依赖的package包/类
public final void visitMethodInsn(
    int opcode,
    String owner,
    String name,
    String desc)
{
    AttributesImpl attrs = new AttributesImpl();
    attrs.addAttribute("", "owner", "owner", "", owner);
    attrs.addAttribute("", "name", "name", "", name);
    attrs.addAttribute("", "desc", "desc", "", desc);
    addElement(AbstractVisitor.OPCODES[opcode], attrs);
}
 

import org.objectweb.asm.util.AbstractVisitor; //导入依赖的package包/类
public final void visitLdcInsn(Object cst) {
    AttributesImpl attrs = new AttributesImpl();
    attrs.addAttribute("",
            "cst",
            "cst",
            "",
            SAXClassAdapter.encode(cst.toString()));
    attrs.addAttribute("",
            "desc",
            "desc",
            "",
            Type.getDescriptor(cst.getClass()));
    addElement(AbstractVisitor.OPCODES[Opcodes.LDC], attrs);
}
 

import org.objectweb.asm.util.AbstractVisitor; //导入依赖的package包/类
public void test() throws Exception {
    String n = "org.objectweb.asm.attrs.StackMapTableSample";
    InputStream is = StackMapTableAttributeTest.class.getResourceAsStream(StackMapTableAttributeTest.TEST_CLASS);
    ClassReader cr = new ClassReader(is);

    StringWriter sw = new StringWriter();
    ASMifierClassVisitor cv = new ASMifierClassVisitor(new PrintWriter(sw));
    cr.accept(cv, AbstractVisitor.getDefaultAttributes(), false);

    String generated = sw.toString();

    byte[] generatorClassData;
    try {
        generatorClassData = ASMifierTest.COMPILER.compile(n, generated);
        System.err.println(generated);
    } catch (Exception ex) {
        System.err.println(generated);
        System.err.println("------------------");
        throw ex;
    }

    Class c = ASMifierTest.LOADER.defineClass("asm." + n + "Dump",
            generatorClassData);
    Method m = c.getMethod("dump", new Class[0]);
    byte[] b = (byte[]) m.invoke(null, new Object[0]);

    assertEquals(cr, new ClassReader(b));
}
 

import org.objectweb.asm.util.AbstractVisitor; //导入依赖的package包/类
public final void visitInsn(int opcode) {
    addElement(AbstractVisitor.OPCODES[opcode], new AttributesImpl());
}
 

import org.objectweb.asm.util.AbstractVisitor; //导入依赖的package包/类
public final void visitIntInsn(int opcode, int operand) {
    AttributesImpl attrs = new AttributesImpl();
    attrs.addAttribute("", "value", "value", "", Integer.toString(operand));
    addElement(AbstractVisitor.OPCODES[opcode], attrs);
}
 

import org.objectweb.asm.util.AbstractVisitor; //导入依赖的package包/类
public final void visitVarInsn(int opcode, int var) {
    AttributesImpl attrs = new AttributesImpl();
    attrs.addAttribute("", "var", "var", "", Integer.toString(var));
    addElement(AbstractVisitor.OPCODES[opcode], attrs);
}
 

import org.objectweb.asm.util.AbstractVisitor; //导入依赖的package包/类
public final void visitTypeInsn(int opcode, String desc) {
    AttributesImpl attrs = new AttributesImpl();
    attrs.addAttribute("", "desc", "desc", "", desc);
    addElement(AbstractVisitor.OPCODES[opcode], attrs);
}
 

import org.objectweb.asm.util.AbstractVisitor; //导入依赖的package包/类
public final void visitJumpInsn(int opcode, Label label) {
    AttributesImpl attrs = new AttributesImpl();
    attrs.addAttribute("", "label", "label", "", getLabel(label));
    addElement(AbstractVisitor.OPCODES[opcode], attrs);
}
 

import org.objectweb.asm.util.AbstractVisitor; //导入依赖的package包/类
public final void visitIincInsn(int var, int increment) {
    AttributesImpl attrs = new AttributesImpl();
    attrs.addAttribute("", "var", "var", "", Integer.toString(var));
    attrs.addAttribute("", "inc", "inc", "", Integer.toString(increment));
    addElement(AbstractVisitor.OPCODES[Opcodes.IINC], attrs);
}
 

import org.objectweb.asm.util.AbstractVisitor; //导入依赖的package包/类
public final void visitMultiANewArrayInsn(String desc, int dims) {
    AttributesImpl attrs = new AttributesImpl();
    attrs.addAttribute("", "desc", "desc", "", desc);
    attrs.addAttribute("", "dims", "dims", "", Integer.toString(dims));
    addElement(AbstractVisitor.OPCODES[Opcodes.MULTIANEWARRAY], attrs);
}