Bug: Comment at end of file with no extra newline causes syntax error

[jamesjuett]

Repro:

#include <iostream>

using namespace std;

int main() {
  cout << "Hello World!" << endl;
}
//test

[iteemhe]

This error is caused by the cpp_parser, which is generated by the grammar file. In this case, because it is harder to modify the grammar file. The best alternative is to play a trick in Program text.

My fix is to always add a newline to the end of text in SourceFile. It will not cause any issues in most cases. The only side effect this fix will cause is when there is a syntax error in the last line of code.

[iteemhe]

Proposed fix

Bug it will cause(there is no line 10).

[iteemhe]

the bug has been handled in getSourceReference. See follow up in pull request.