void (PsiFile file, CharSequence newFileText, ASTNode node, int start, int end) { @NonNls String message = "Index out of bounds: type=" + node.getElementType() + "; file=" + file + "; file.class=" + file.getClass() + "; start=" + start + "; end=" + end + "; length=" + node.getTextLength(); String newTextBefore = newFileText.subSequence(0, start).toString(); String oldTextBefore = file.getText().subSequence(0, start).toString(); if (oldTextBefore.equals(newTextBefore)) { message += "; oldTextBefore==newTextBefore"; } LOG.error(message, new Attachment(file.getName() + "_oldNodeText.txt", node.getText()), new Attachment(file.getName() + "_oldFileText.txt", file.getText()), new Attachment(file.getName() + "_newFileText.txt", newFileText.toString()) ); }