- Drop name tokens not used any more (GROKS_DASH_O)
- Rename OUTPUT_IS_ASM as OUTPUT and allow "bytecode" and "assembly" as
values of it.
- Simplify handleContext (now handleNameContext) arguments and ensure that
it returns OPTION tokens exactly as scanned.
llvm-svn: 16021
- cleaned up lexical scanner
- added support for "lang.optN" configuration items
- added temporary file support (ala lib/System)
- corrected logic for deciding which phases to run
- consolidated the Action and ActionPattern classes
llvm-svn: 15765
understand recursive descent parser, we can easily handle more syntax
variety, and we can more easily change the configuration items accepted.
llvm-svn: 15732