Replace keywords with strings in grammar

[guwirth]

My initial idea was to remove all keywords from the grammar and replace them with strings. Question is how to deal otherwise with a mixture of C, C++ and C++/CLI and the identifier/keyword conflicts. I'm only not sure with other side effects this could have? E.g. How does Sonar calculate the complexity?

• Keyword parsing is in: https://github.com/wenns/sonar-cxx/blob/master/cxx-squid/src/main/java/org/sonar/cxx/lexer/CxxLexer.java
• Keyword highlighting is in https://github.com/wenns/sonar-cxx/blob/master/sonar-cxx-plugin/src/main/java/org/sonar/plugins/cxx/highlighter/CxxHighlighter.java isKeyword
• AstScanner is using keywords for e.g. ComplexityVisitor.
• Still not sure how many places has to be adapted in case we remove CxxKeyword from lexer/grammar?

Has someone experience with this?

[guwirth]

After reading #673 I had a closer look to the standard again. My current understanding: we should keep all C++11 keywords as keywords in the grammar http://en.cppreference.com/w/cpp/keyword. All others should be handled as strings (e.g final and override).