@Nullable
public static SMAPAndMethodNode getMethodNode(
byte[] classData, final String methodName, final String methodDescriptor, ClassId classId)
throws ClassNotFoundException, IOException {
ClassReader cr = new ClassReader(classData);
final MethodNode[] node = new MethodNode[1];
final String[] debugInfo = new String[2];
final int[] lines = new int[2];
lines[0] = Integer.MAX_VALUE;
lines[1] = Integer.MIN_VALUE;
cr.accept(
new ClassVisitor(API) {
@Override
public void visitSource(String source, String debug) {
super.visitSource(source, debug);
debugInfo[0] = source;
debugInfo[1] = debug;
}
@Override
public MethodVisitor visitMethod(
int access,
@NotNull String name,
@NotNull String desc,
String signature,
String[] exceptions) {
if (methodName.equals(name) && methodDescriptor.equals(desc)) {
node[0] =
new MethodNode(API, access, name, desc, signature, exceptions) {
@Override
public void visitLineNumber(int line, @NotNull Label start) {
super.visitLineNumber(line, start);
lines[0] = Math.min(lines[0], line);
lines[1] = Math.max(lines[1], line);
}
};
return node[0];
}
return null;
}
},
ClassReader.SKIP_FRAMES | (GENERATE_SMAP ? 0 : ClassReader.SKIP_DEBUG));
SMAP smap =
SMAPParser.parseOrCreateDefault(
debugInfo[1], debugInfo[0], classId.toString(), lines[0], lines[1]);
return new SMAPAndMethodNode(node[0], smap);
}
