Fix what looks like an off-by-one error in RegEx::longestMatch()'s lastMatch calculation, and a corresponding +1 in code using longestMatch, and add a test.

2013-10-26 23:29:23 -07:00
parent 7859b29725
commit d2d38e2516
4 changed files with 17 additions and 5 deletions
--- a/src/Lexer.cpp
+++ b/src/Lexer.cpp
@@ -40,8 +40,8 @@ Symbol Lexer::next() {
 		}
 	}
 	if (longestRegEx != NULL) {
-		std::string eatenString = input.substr(currentPosition, longestMatch+1);
-		currentPosition += longestMatch + 1;
+		std::string eatenString = input.substr(currentPosition, longestMatch);
+		currentPosition += longestMatch;
 	//std::cout << "Current at is \"" << input.substr(currentPosition,input.length()-1) << "\" currentPos is " << currentPosition <<std::endl;
 		return Symbol(longestRegEx->getPattern(), true, eatenString);
 	} else {