private void reportError(STMessage msg) {
				// TODO check how to avoid this with Ter
				if("/RuleSempredFunction()".equals(String.valueOf(msg.self)) && "Java".equals(String.valueOf(msg.self.groupThatCreatedThisInstance))) {
					return;
				}
				getCodeGenerator().tool.errMgr.toolError(ErrorType.STRING_TEMPLATE_WARNING, msg.cause, msg.toString());
			}
How many bits should be used to do inline token type tests? Java assumes
 a 64-bit word for bitsets.  Must be a valid wordsize for your target like
 8, 16, 32, 64, etc...

 @since 4.5
tool/src/org/antlr/v4/codegen/Target.java