Fix typo
Copy some grammar from ghc
Generate grammar instead of code
Add simple LL parser
Remove grammar kit from build
Add indent support
Fix generator
Add generated code
Parse hello world
Fix indent processing
Add constructors
Rewrite all ghc grammar
Fix some operators in lexer
Merge equal states
Use parser in plugin
Add tests for parser
Delete old parser
Fix indent lexer
Add pattern_decl rule
Add test for let in