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super fast parsing
==================

top levels:
- should be easy

statements:
- TYPE   -> variable definition
- "kwb" -> typedef
- CTL KEYWORD -> control statement
- IDENT -> toplevel-ok expr

toplevel-ok expr:
- IDENT "(" -> function expr
- IDENT "[" -> index expr
- IDENT "." -> member expr
- IDENT ASSIGN-OP -> assign expr
- "[" -> array literal
- "." IDENT -> typeident

plain expr:
- IDENT "(" -> function expr
- IDENT "[" -> index expr
- IDENT "." -> member expr
- "[" -> array literal
- "." IDENT -> typeident
- IDENT BINARY-OP -> 
- LITERAL BINARY-OP ->
- "(" -> wrapped expr
... and "return" from function/index/member expr, and things like "get_data().xyz[123]"


function expr:
-