Here is an example of my input thing { $var.member }
The problem is I allow thing { .member $var } So what is happening is I'd LIKE to always use $var.member but it can reduce $var then .member which should not be allowed if $var is in front of it (or $foo or $anything). I'm not exactly sure where to put the precedence rule or how to. Both paths take VarB but one reduces too early. I blindly put %dprec on VarB ('$' VarName %dprec 1) and on Token (Token: Tokenb %dprec 2 { ... }). But I haven't used dprec and unsure how it works.I get the same ambiguity error Ambiguity detected. Option 1, Body3 -> <Rule 43, tokens 183 .. 186> Body3 -> <Rule 43, tokens 183 .. 185> Body3 -> <Rule 41, tokens 183 .. 184> Body4 -> <Rule 50, tokens 183 .. 184> VarB -> <Rule 173, tokens 183 .. 184> '$' <tokens 183 .. 183> VarName <tokens 184 .. 184> Body4 -> <Rule 51, tokens 185 .. 185> Token -> <Rule 53, tokens 185 .. 185> Tokenb -> <Rule 57, tokens 185 .. 185> '.' <tokens 185 .. 185> Body4 -> <Rule 44, tokens 186 .. 186> Body5 -> <Rule 77, tokens 186 .. 186> Body5B -> <Rule 79, tokens 186 .. 186> Var -> <Rule 1063, tokens 186 .. 186> VarFilter -> <Rule 1064, tokens 186 .. 186> VAR <tokens 186 .. 186> Option 2, Body3 -> <Rule 41, tokens 183 .. 186> Body4 -> <Rule 50, tokens 183 .. 186> VarB -> <Rule 173, tokens 183 .. 186> '$' <tokens 183 .. 183> VarName -> <Rule 1023, tokens 184 .. 186> VarName <tokens 184 .. 184> '.' <tokens 185 .. 185> Var -> <Rule 1063, tokens 186 .. 186> VarFilter -> <Rule 1064, tokens 186 .. 186> VAR <tokens 186 .. 186> _______________________________________________ help-bison@gnu.org https://lists.gnu.org/mailman/listinfo/help-bison