Allow ubiquitous tokens to also be used in grammar rules

This commit is contained in:
Max Brunsfeld 2014-06-26 08:52:42 -07:00
parent a9dff20658
commit 9686c57e90
22 changed files with 49452 additions and 47887 deletions

View file

@ -38,6 +38,10 @@ namespace tree_sitter {
return ParseAction(ParseActionTypeShift, state_index, Symbol(-1), 0, precedence_values);
}
ParseAction ParseAction::ShiftExtra() {
return ParseAction(ParseActionTypeShiftExtra, -1, Symbol(-1), 0, set<int>({}));
}
ParseAction ParseAction::Reduce(Symbol symbol, size_t consumed_symbol_count, int precedence) {
return ParseAction(ParseActionTypeReduce, -1, symbol, consumed_symbol_count, { precedence });
}
@ -58,6 +62,8 @@ namespace tree_sitter {
return stream << string("#<accept>");
case ParseActionTypeShift:
return stream << (string("#<shift ") + to_string(action.state_index) + ">");
case ParseActionTypeShiftExtra:
return stream << string("#<shift_extra");
case ParseActionTypeReduce:
return stream << (string("#<reduce sym") + to_string(action.symbol.index) + " " + to_string(action.consumed_symbol_count) + ">");
default: