protected OuterLanguageElementImpl createOuterLanguageElement(
final Lexer lexer, final CharTable table, final IElementType outerElementType) {
final CharSequence buffer = lexer.getBufferSequence();
final int tokenStart = lexer.getTokenStart();
if (tokenStart < 0 || tokenStart > buffer.length()) {
LOG.error("Invalid start: " + tokenStart + "; " + lexer);
}
final int tokenEnd = lexer.getTokenEnd();
if (tokenEnd < 0 || tokenEnd > buffer.length()) {
LOG.error("Invalid end: " + tokenEnd + "; " + lexer);
}
return new OuterLanguageElementImpl(
outerElementType, table.intern(buffer, tokenStart, tokenEnd));
}