func writeTerminals(gSymbols *symbols.Symbols, cfg config.Config) {
buf := new(bytes.Buffer)
for _, t := range gSymbols.ListTerminals() {
fmt.Fprintf(buf, "%s\n", t)
}
io.WriteFile(path.Join(cfg.OutDir(), "terminals.txt"), buf.Bytes())
}
func getParserData(pkg string, prods ast.SyntaxProdList, itemSets *items.ItemSets, symbols *symbols.Symbols, cfg config.Config) *parserData {
return &parserData{
Debug: cfg.DebugParser(),
ErrorImport: path.Join(pkg, "errors"),
TokenImport: path.Join(pkg, "token"),
NumProductions: len(prods),
NumStates: itemSets.Size(),
NumSymbols: symbols.NumSymbols(),
}
}
func getLexerData(pkg, outDir string, itemsets *items.ItemSets, cfg config.Config) *lexerData {
lexSymbols := itemsets.Symbols().List()
return &lexerData{
Debug: cfg.DebugLexer(),
TokenImport: path.Join(pkg, "token"),
UtilImport: path.Join(pkg, "util"),
NumStates: itemsets.Size(),
NumSymbols: len(lexSymbols),
Symbols: lexSymbols,
}
}
func handleConflicts(conflicts map[int]lr1Items.RowConflicts, numSets int, cfg config.Config, prods ast.SyntaxProdList) {
if len(conflicts) <= 0 {
return
}
switch {
case !cfg.AutoResolveLRConf():
fmt.Printf("Error: %d LR-1 conflicts\n", len(conflicts))
io.WriteFileString(path.Join(cfg.OutDir(), "LR1_conflicts.txt"), conflictString(conflicts, numSets, prods))
os.Exit(1)
case cfg.Verbose():
fmt.Printf("%d LR-1 conflicts \n", len(conflicts))
io.WriteFileString(path.Join(cfg.OutDir(), "LR1_conflicts.txt"), conflictString(conflicts, numSets, prods))
}
}