asmifierclassvisitor.java

asm的源码包 并且包含英文的文档

        appendConstant(debug);
        buf.append(");\n\n");
        text.add(buf.toString());
    }

    public void visitOuterClass(
        final String owner,
        final String name,
        final String desc)
    {
        buf.setLength(0);
        buf.append("cw.visitOuterClass(");
        appendConstant(owner);
        buf.append(", ");
        appendConstant(name);
        buf.append(", ");
        appendConstant(desc);
        buf.append(");\n\n");
        text.add(buf.toString());
    }

    public void visitInnerClass(
        final String name,
        final String outerName,
        final String innerName,
        final int access)
    {
        buf.setLength(0);
        buf.append("cw.visitInnerClass(");
        appendConstant(name);
        buf.append(", ");
        appendConstant(outerName);
        buf.append(", ");
        appendConstant(innerName);
        buf.append(", ");
        appendAccess(access | ACCESS_INNER);
        buf.append(");\n\n");
        text.add(buf.toString());
    }

    public FieldVisitor visitField(
        final int access,
        final String name,
        final String desc,
        final String signature,
        final Object value)
    {
        buf.setLength(0);
        buf.append("{\n");
        buf.append("fv = cw.visitField(");
        appendAccess(access | ACCESS_FIELD);
        buf.append(", ");
        appendConstant(name);
        buf.append(", ");
        appendConstant(desc);
        buf.append(", ");
        appendConstant(signature);
        buf.append(", ");
        appendConstant(value);
        buf.append(");\n");
        text.add(buf.toString());
        ASMifierFieldVisitor aav = new ASMifierFieldVisitor();
        text.add(aav.getText());
        text.add("}\n");
        return aav;
    }

    public MethodVisitor visitMethod(
        final int access,
        final String name,
        final String desc,
        final String signature,
        final String[] exceptions)
    {
        buf.setLength(0);
        buf.append("{\n");
        buf.append("mv = cw.visitMethod(");
        appendAccess(access);
        buf.append(", ");
        appendConstant(name);
        buf.append(", ");
        appendConstant(desc);
        buf.append(", ");
        appendConstant(signature);
        buf.append(", ");
        if (exceptions != null && exceptions.length > 0) {
            buf.append("new String[] {");
            for (int i = 0; i < exceptions.length; ++i) {
                buf.append(i == 0 ? " " : ", ");
                appendConstant(exceptions[i]);
            }
            buf.append(" }");
        } else {
            buf.append("null");
        }
        buf.append(");\n");
        text.add(buf.toString());
        ASMifierMethodVisitor acv = createASMifierMethodVisitor();
        text.add(acv.getText());
        text.add("}\n");
        return acv;
    }

    protected ASMifierMethodVisitor createASMifierMethodVisitor() {
        return new ASMifierMethodVisitor();
    }

    public AnnotationVisitor visitAnnotation(
        final String desc,
        final boolean visible)
    {
        buf.setLength(0);
        buf.append("{\n");
        buf.append("av0 = cw.visitAnnotation(");
        appendConstant(desc);
        buf.append(", ");
        buf.append(visible);
        buf.append(");\n");
        text.add(buf.toString());
        ASMifierAnnotationVisitor av = new ASMifierAnnotationVisitor(0);
        text.add(av.getText());
        text.add("}\n");
        return av;
    }

    public void visitEnd() {
        text.add("cw.visitEnd();\n\n");
        text.add("return cw.toByteArray();\n");
        text.add("}\n");
        text.add("}\n");
        printList(pw, text);
        pw.flush();
    }

    // ------------------------------------------------------------------------
    // Utility methods
    // ------------------------------------------------------------------------

    /**
     * Appends a string representation of the given access modifiers to {@link
     * #buf buf}.
     * 
     * @param access some access modifiers.
     */
    void appendAccess(final int access) {
        boolean first = true;
        if ((access & Opcodes.ACC_PUBLIC) != 0) {
            buf.append("ACC_PUBLIC");
            first = false;
        }
        if ((access & Opcodes.ACC_PRIVATE) != 0) {
            buf.append("ACC_PRIVATE");
            first = false;
        }
        if ((access & Opcodes.ACC_PROTECTED) != 0) {
            buf.append("ACC_PROTECTED");
            first = false;
        }
        if ((access & Opcodes.ACC_FINAL) != 0) {
            if (!first) {
                buf.append(" + ");
            }
            buf.append("ACC_FINAL");
            first = false;
        }
        if ((access & Opcodes.ACC_STATIC) != 0) {
            if (!first) {
                buf.append(" + ");
            }
            buf.append("ACC_STATIC");
            first = false;
        }
        if ((access & Opcodes.ACC_SYNCHRONIZED) != 0) {
            if (!first) {
                buf.append(" + ");
            }
            if ((access & ACCESS_CLASS) != 0) {
                buf.append("ACC_SUPER");
            } else {
                buf.append("ACC_SYNCHRONIZED");
            }
            first = false;
        }
        if ((access & Opcodes.ACC_VOLATILE) != 0
                && (access & ACCESS_FIELD) != 0)
        {
            if (!first) {
                buf.append(" + ");
            }
            buf.append("ACC_VOLATILE");
            first = false;
        }
        if ((access & Opcodes.ACC_BRIDGE) != 0 && (access & ACCESS_CLASS) == 0
                && (access & ACCESS_FIELD) == 0)
        {
            if (!first) {
                buf.append(" + ");
            }
            buf.append("ACC_BRIDGE");
            first = false;
        }
        if ((access & Opcodes.ACC_VARARGS) != 0 && (access & ACCESS_CLASS) == 0
                && (access & ACCESS_FIELD) == 0)
        {
            if (!first) {
                buf.append(" + ");
            }
            buf.append("ACC_VARARGS");
            first = false;
        }
        if ((access & Opcodes.ACC_TRANSIENT) != 0
                && (access & ACCESS_FIELD) != 0)
        {
            if (!first) {
                buf.append(" + ");
            }
            buf.append("ACC_TRANSIENT");
            first = false;
        }
        if ((access & Opcodes.ACC_NATIVE) != 0 && (access & ACCESS_CLASS) == 0
                && (access & ACCESS_FIELD) == 0)
        {
            if (!first) {
                buf.append(" + ");
            }
            buf.append("ACC_NATIVE");
            first = false;
        }
        if ((access & Opcodes.ACC_ENUM) != 0
                && ((access & ACCESS_CLASS) != 0
                        || (access & ACCESS_FIELD) != 0 || (access & ACCESS_INNER) != 0))
        {
            if (!first) {
                buf.append(" + ");
            }
            buf.append("ACC_ENUM");
            first = false;
        }
        if ((access & Opcodes.ACC_ANNOTATION) != 0
                && (access & ACCESS_CLASS) != 0)
        {
            if (!first) {
                buf.append(" + ");
            }
            buf.append("ACC_ANNOTATION");
            first = false;
        }
        if ((access & Opcodes.ACC_ABSTRACT) != 0) {
            if (!first) {
                buf.append(" + ");
            }
            buf.append("ACC_ABSTRACT");
            first = false;
        }
        if ((access & Opcodes.ACC_INTERFACE) != 0) {
            if (!first) {
                buf.append(" + ");
            }
            buf.append("ACC_INTERFACE");
            first = false;
        }
        if ((access & Opcodes.ACC_STRICT) != 0) {
            if (!first) {
                buf.append(" + ");
            }
            buf.append("ACC_STRICT");
            first = false;
        }
        if ((access & Opcodes.ACC_SYNTHETIC) != 0) {
            if (!first) {
                buf.append(" + ");
            }
            buf.append("ACC_SYNTHETIC");
            first = false;
        }
        if ((access & Opcodes.ACC_DEPRECATED) != 0) {
            if (!first) {
                buf.append(" + ");
            }
            buf.append("ACC_DEPRECATED");
            first = false;
        }
        if (first) {
            buf.append("0");
        }
    }
}