in org.eclipse.sisu.inject/src/org/eclipse/sisu/space/asm/ClassReader.java [530:698]
public void accept(final ClassVisitor classVisitor,
final Attribute[] attrs, final int flags) {
int u = header; // current offset in the class file
char[] c = new char[maxStringLength]; // buffer used to read strings
Context context = new Context();
context.attrs = attrs;
context.flags = flags;
context.buffer = c;
// reads the class declaration
int access = readUnsignedShort(u);
String name = readClass(u + 2, c);
String superClass = readClass(u + 4, c);
String[] interfaces = new String[readUnsignedShort(u + 6)];
u += 8;
for (int i = 0; i < interfaces.length; ++i) {
interfaces[i] = readClass(u, c);
u += 2;
}
// reads the class attributes
String signature = null;
String sourceFile = null;
String sourceDebug = null;
String enclosingOwner = null;
String enclosingName = null;
String enclosingDesc = null;
int anns = 0;
int ianns = 0;
int tanns = 0;
int itanns = 0;
int innerClasses = 0;
Attribute attributes = null;
u = getAttributes();
for (int i = readUnsignedShort(u); i > 0; --i) {
String attrName = readUTF8(u + 2, c);
// tests are sorted in decreasing frequency order
// (based on frequencies observed on typical classes)
if ("SourceFile".equals(attrName)) {
sourceFile = readUTF8(u + 8, c);
} else if ("InnerClasses".equals(attrName)) {
innerClasses = u + 8;
} else if ("EnclosingMethod".equals(attrName)) {
enclosingOwner = readClass(u + 8, c);
int item = readUnsignedShort(u + 10);
if (item != 0) {
enclosingName = readUTF8(items[item], c);
enclosingDesc = readUTF8(items[item] + 2, c);
}
} else if (SIGNATURES && "Signature".equals(attrName)) {
signature = readUTF8(u + 8, c);
} else if (ANNOTATIONS
&& "RuntimeVisibleAnnotations".equals(attrName)) {
anns = u + 8;
} else if (ANNOTATIONS
&& "RuntimeVisibleTypeAnnotations".equals(attrName)) {
tanns = u + 8;
} else if ("Deprecated".equals(attrName)) {
access |= Opcodes.ACC_DEPRECATED;
} else if ("Synthetic".equals(attrName)) {
access |= Opcodes.ACC_SYNTHETIC
| ClassWriter.ACC_SYNTHETIC_ATTRIBUTE;
} else if ("SourceDebugExtension".equals(attrName)) {
int len = readInt(u + 4);
sourceDebug = readUTF(u + 8, len, new char[len]);
} else if (ANNOTATIONS
&& "RuntimeInvisibleAnnotations".equals(attrName)) {
ianns = u + 8;
} else if (ANNOTATIONS
&& "RuntimeInvisibleTypeAnnotations".equals(attrName)) {
itanns = u + 8;
} else if ("BootstrapMethods".equals(attrName)) {
int[] bootstrapMethods = new int[readUnsignedShort(u + 8)];
for (int j = 0, v = u + 10; j < bootstrapMethods.length; j++) {
bootstrapMethods[j] = v;
v += 2 + readUnsignedShort(v + 2) << 1;
}
context.bootstrapMethods = bootstrapMethods;
} else {
Attribute attr = readAttribute(attrs, attrName, u + 8,
readInt(u + 4), c, -1, null);
if (attr != null) {
attr.next = attributes;
attributes = attr;
}
}
u += 6 + readInt(u + 4);
}
// visits the class declaration
classVisitor.visit(readInt(items[1] - 7), access, name, signature,
superClass, interfaces);
// visits the source and debug info
if ((flags & SKIP_DEBUG) == 0
&& (sourceFile != null || sourceDebug != null)) {
classVisitor.visitSource(sourceFile, sourceDebug);
}
// visits the outer class
if (enclosingOwner != null) {
classVisitor.visitOuterClass(enclosingOwner, enclosingName,
enclosingDesc);
}
// visits the class annotations and type annotations
if (ANNOTATIONS && anns != 0) {
for (int i = readUnsignedShort(anns), v = anns + 2; i > 0; --i) {
v = readAnnotationValues(v + 2, c, true,
classVisitor.visitAnnotation(readUTF8(v, c), true));
}
}
if (ANNOTATIONS && ianns != 0) {
for (int i = readUnsignedShort(ianns), v = ianns + 2; i > 0; --i) {
v = readAnnotationValues(v + 2, c, true,
classVisitor.visitAnnotation(readUTF8(v, c), false));
}
}
if (ANNOTATIONS && tanns != 0) {
for (int i = readUnsignedShort(tanns), v = tanns + 2; i > 0; --i) {
v = readAnnotationTarget(context, v);
v = readAnnotationValues(v + 2, c, true,
classVisitor.visitTypeAnnotation(context.typeRef,
context.typePath, readUTF8(v, c), true));
}
}
if (ANNOTATIONS && itanns != 0) {
for (int i = readUnsignedShort(itanns), v = itanns + 2; i > 0; --i) {
v = readAnnotationTarget(context, v);
v = readAnnotationValues(v + 2, c, true,
classVisitor.visitTypeAnnotation(context.typeRef,
context.typePath, readUTF8(v, c), false));
}
}
// visits the attributes
while (attributes != null) {
Attribute attr = attributes.next;
attributes.next = null;
classVisitor.visitAttribute(attributes);
attributes = attr;
}
// visits the inner classes
if (innerClasses != 0) {
int v = innerClasses + 2;
for (int i = readUnsignedShort(innerClasses); i > 0; --i) {
classVisitor.visitInnerClass(readClass(v, c),
readClass(v + 2, c), readUTF8(v + 4, c),
readUnsignedShort(v + 6));
v += 8;
}
}
// visits the fields and methods
u = header + 10 + 2 * interfaces.length;
for (int i = readUnsignedShort(u - 2); i > 0; --i) {
u = readField(classVisitor, context, u);
}
u += 2;
for (int i = readUnsignedShort(u - 2); i > 0; --i) {
u = readMethod(classVisitor, context, u);
}
// visits the end of the class
classVisitor.visitEnd();
}