func getActionRowData(prods ast.SyntaxProdList, set *items.ItemSet, tokMap *token.TokenMap) (data *actRow, conflicts items.RowConflicts) {
data = &actRow{
CanRecover: set.CanRecover(),
Actions: make([]string, len(tokMap.TypeMap)),
}
conflicts = make(items.RowConflicts)
for i, sym := range tokMap.TypeMap {
act, symConflicts := set.Action(sym)
if len(symConflicts) > 0 {
conflicts[sym] = symConflicts
}
switch act1 := act.(type) {
case action.Accept:
data.Actions[i] = fmt.Sprintf("accept(true),\t\t/* %s */", sym)
case action.Error:
data.Actions[i] = fmt.Sprintf("nil,\t\t/* %s */", sym)
case action.Reduce:
data.Actions[i] = fmt.Sprintf("reduce(%d),\t\t/* %s, reduce: %s */", int(act1), sym, prods[int(act1)].Id)
case action.Shift:
data.Actions[i] = fmt.Sprintf("shift(%d),\t\t/* %s */", int(act1), sym)
default:
panic(fmt.Sprintf("Unknown action type: %T", act1))
}
}
return
}
func getGotoRowData(itemSet *items.ItemSet, sym *symbols.Symbols) []gotoRowElement {
row := make([]gotoRowElement, sym.NumNTSymbols())
for i, nt := range sym.NTList() {
row[i].NT = nt
row[i].State = itemSet.NextSetIndex(nt)
}
return row
}