public static ParseStatus syntaxError(Integer tokenNumber, List<Token> tokens, String err) {
ParseStatus status = new ParseStatus();
status.columnNumber = -1;
status.tokenNumber = tokenNumber;
status.pointSet = new EmptyPointSet();
if (tokenNumber < tokens.size()) {
Token token = tokens.get(tokenNumber);
status.errMsg =
"Syntax error with token ("
+ token.getText()
+ ") near column "
+ token.getStart()
+ ": "
+ err;
} else {
Token token = tokens.get(tokenNumber - 1);
status.errMsg =
"Unexpected end of input after token ("
+ token.getText()
+ ") near column "
+ token.getStart()
+ ": context - "
+ err;
}
return status;
}
public static ParseStatus nextPosition(int pos) {
ParseStatus status = new ParseStatus();
status.tokenNumber = pos;
return status;
}