At moment you can set hetero node type with token option:
type : ID<TypeNode> ;
var : ID<VarNode> ;
Sometimes you want to set token type / text of node. can use -> now
type : ID -> TYPENAME[$ID] ; // sets new token type for ID; copies text, line,
col
a : lc='{' ... '}' -> BLOCK[$lc, "BLOCK"] ; // sets new token type and text
Inline i'm proposing two new token option names: text, ttype to join current
options node and assoc.
type : ID<ttype=TYPENAME> ;
a : '{'<ttype=BLOCK, text="BLOCK"> ... '}' ;
My motivation is this
| e '?'^ e ':' e
following is gross but would work:
| e '?'<type=TERNARY, text="?:">^ e ':' e
we could also mimic rewrite stuff by allowing args on tokens in parser rules:
| e '?'[TERNARY, "?:"]^ e ':' e
what say ye? 2nd option is appealing but slightly diff fom how rewrite element
args work.
Ter
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