Files
puzzle-generator/src/test/java/puzzle/DictJavaGeneratorMulti.java
2026-01-20 07:08:31 +01:00

391 lines
16 KiB
Java

package puzzle;
import module java.base;
import lombok.Getter;
import lombok.NoArgsConstructor;
import lombok.experimental.Accessors;
import lombok.val;
import puzzle.DictJavaGeneratorMulti.DictEntryDTO.IntListDTO;
import puzzle.SwedishGenerator.Dict;
import puzzle.SwedishGenerator.DictEntry;
import puzzle.SwedishGenerator.Lemma;
import static java.nio.charset.StandardCharsets.US_ASCII;
import static puzzle.SwedishGenerator.THRESS;
public final class DictJavaGeneratorMulti {
// Smaller = more files, but safer for javac/class limits.
private static final int WORDS_CHUNK = 8_192;
private static final int POS_CHUNK = 8_192;
public static void main(String[] args) throws Exception {
Path wordsFile = Path.of(args.length > 0 ? args[0] : "nl_score_hints_v3.csv");
Path outDir = Path.of(args.length > 1 ? args[1] : "src/main/generated-sources/puzzle/dict" + THRESS);
String pkg = "puzzle.dict" + THRESS;
HashMap<Path, ShardBuilder> builders = new HashMap<Path, ShardBuilder>(16);
SwedishGenerator.Dict dict = buildDict(wordsFile, builders);
Files.createDirectories(outDir);
// Generate L2..L8
for (int L = 2; L <= 8; L++) {
var entry = dict.index()[L];
if (entry == null || entry.words() == null || entry.words().length == 0) {
throw new IllegalStateException("No words for length " + L);
}
writeLengthBundle(outDir, pkg, L, entry);
}
// Aggregator
writeAggregator(outDir, pkg, "DictData", dict.length());
System.out.println("Generated sources into: " + outDir.toAbsolutePath());
builders.forEach(DictJavaGeneratorMulti::writeIndexedShard);
}
static final Path[] SHARDS = IntStream.range(0, 10).mapToObj(sId -> Path.of("src/main/generated-sources/puzzle/dict"+THRESS).resolve(sId + ".idx")).toArray(
Path[]::new);
static Path shardKey(long word) {
return SHARDS[Lemma.unpackSize(word) + 1];
}
private static SwedishGenerator.Dict buildDict(Path wordsPath, HashMap<Path, ShardBuilder> builders) throws IOException {
var map = new LongArrayList(100_000);
try (var lines = Files.lines(wordsPath, StandardCharsets.UTF_8)) {
lines.forEach(line -> {
CsvIndexService.lineToLemma(line, w -> {
String word = Lemma.asWord(w, Export.BYTES.get());
String[] clues = CsvIndexService.lineToClue(line);
int simpel = CsvIndexService.lineToSimpel(line);
// serialize to: WORD \t JSON \n
// (als je al JSON string wilt bewaren: gebruik Gson.toJson(clues))
String json = Meta.GSON.toJson(clues);
String recStr = word + "\t" + simpel + "\t" + json + "\n";
byte[] rec = recStr.getBytes(StandardCharsets.UTF_8);
var key = shardKey(w) ;
ShardBuilder sb = builders.computeIfAbsent(key, k -> new ShardBuilder());
try {
map.add(Lemma.pack(w, sb.addRecord(rec)));
} catch (IOException e) {
throw new UncheckedIOException(e);
}
});
});
}
return Dicts.makeDict(map.toArray());
}
interface Dicts {
static Dict makeDict(long[] wordz) {
var index = new DictEntryDTO[SwedishGenerator.MAX_WORD_LENGTH_PLUS_ONE];
Arrays.setAll(index, DictEntryDTO::new);
for (var lemma : wordz) {
var L = Lemma.unpackSize(lemma) + 1;//Lemma.unpackSize(lemma) + 2;
val entry = index[L];
val idx = entry.words().size();
val pos = entry.pos();
entry.words().add(lemma);
int i = 0;
for (long w = lemma & Lemma.LETTER_MASK; w != 0; w >>>= 5, i++) {
pos[i][(int) ((w & 31) - 1)].add(idx);
}
}
for (int i = 2; i < index.length; i++) if (index[i].words().size() <= 0) throw new RuntimeException("No words for length " + i);
return new Dict(Arrays.stream(index).map(i -> {
var words = i.words().toArray();
int numWords = words.length;
int numLongs = (numWords + 63) >>> 6;
var bitsets = new long[i.pos().length * 26][numLongs];
for (int p = 0; p < i.pos().length; p++) {
for (int l = 0; l < 26; l++) {
var list = i.pos()[p][l];
var bs = bitsets[p * 26 + l];
for (int k = 0; k < list.size(); k++) {
int wordIdx = list.data()[k];
bs[wordIdx >>> 6] |= (1L << (wordIdx & 63));
}
}
}
return new DictEntry(words, bitsets, words.length, (words.length + 63) >>> 6);
}).toArray(DictEntry[]::new),
Arrays.stream(index).mapToInt(i -> i.words().size()).sum());
}
}
static final class ShardBuilder {
final IntListDTO offsets = new IntListDTO(4096);
final ByteArrayOutputStream data = new ByteArrayOutputStream(1 << 20); // grows
int addRecord(byte[] rec) throws IOException {
var size = data.size();
val currSize = offsets.size();
offsets.add(size);
data.write(rec);
return currSize;
}
}
static final int VERSION = 1;
static void writeIndexedShard(Path out, ShardBuilder sb) {
int n = sb.offsets.size();
int[] offs = sb.offsets.toArray();
byte[] data = sb.data.toByteArray();
try (FileChannel ch = FileChannel.open(out,
StandardOpenOption.CREATE, StandardOpenOption.TRUNCATE_EXISTING,
StandardOpenOption.WRITE)) {
// header
ByteBuffer hdr = ByteBuffer.allocate(12);
hdr.putInt(Meta.SHARD_MAGIC).putInt(VERSION).putInt(n).flip();
ch.write(hdr);
// offsets table (int per record)
ByteBuffer tbl = ByteBuffer.allocate(n * 4);
for (int i = 0; i < n; i++) tbl.putInt(offs[i]);
tbl.flip();
ch.write(tbl);
// data
ch.write(ByteBuffer.wrap(data));
}catch (IOException e){
throw new RuntimeException("Failed to write shard to " + out, e);
}
}
private static void writeAggregator(Path outDir, String pkg, String cls, int totalLen) throws IOException {
Path out = outDir.resolve(cls + ".java");
try (BufferedWriter w = writer(out)) {
w.write("package " + pkg + ";\n\n");
w.write("public final class " + cls + " {\n");
w.write(" private " + cls + "() {}\n\n");
w.write(" public static final puzzle.SwedishGenerator.Dict DICT" + THRESS + " = build();\n\n");
w.write(" private static puzzle.SwedishGenerator.Dict build() {\n");
w.write(" puzzle.SwedishGenerator.DictEntry[] idx = new puzzle.SwedishGenerator.DictEntry[puzzle.SwedishGenerator.MAX_WORD_LENGTH_PLUS_ONE];\n");
for (int L = 2; L <= 8; L++) w.write(" idx[" + L + "] = DictDataL" + L + ".entry();\n");
w.write(" return new puzzle.SwedishGenerator.Dict(idx, " + totalLen + ");\n");
w.write(" }\n");
w.write("}\n");
}
}
private static void writeLengthBundle(Path outDir, String pkg, int L, SwedishGenerator.DictEntry e) throws IOException {
long[] words = e.words();
// flatten posBitsets: [rows][cols] -> flat[]
long[][] bs = e.posBitsets();
int rows = bs.length;
int cols = bs[0].length;
long[] flat = new long[rows * cols];
int t = 0;
for (int r = 0; r < rows; r++) {
System.arraycopy(bs[r], 0, flat, t, cols);
t += cols;
}
String base = "DictDataL" + L;
// 1) chunk classes
int wChunks = writeChunkClasses(outDir, pkg, base + "W", words, WORDS_CHUNK);
int pChunks = writeChunkClasses(outDir, pkg, base + "P", flat, POS_CHUNK);
// 2) assembler class
writeLengthAssembler(outDir, pkg, base, L, rows, cols, words.length, flat.length, wChunks, pChunks);
}
/** Writes classes like Prefix0..PrefixN each with static long[] DATA. Returns chunk count. */
private static int writeChunkClasses(Path outDir, String pkg, String prefix, long[] data, int chunkSize) throws IOException {
int chunks = (data.length + chunkSize - 1) / chunkSize;
for (int ci = 0; ci < chunks; ci++) {
int from = ci * chunkSize;
int to = Math.min(data.length, from + chunkSize);
Path out = outDir.resolve(prefix + ci + ".java");
try (BufferedWriter w = writer(out)) {
w.write("package " + pkg + ";\n\n");
w.write("public final class " + prefix + ci + " {\n");
w.write(" private " + prefix + ci + "() {}\n");
w.write(" public static long[] get() {\n");
w.write(" return new long[] { \n");
for (int i = from; i < to; i++) {
w.write(" " + toLongLiteral(data[i]) + (i + 1 < to ? "," : "") + "\n");
}
w.write(" };\n");
w.write(" }\n");
w.write("}\n");
}
}
return chunks;
}
private static void writeLengthAssembler(Path outDir, String pkg, String cls, int L,
int rows, int cols,
int wordsLen, int posLen,
int wChunks, int pChunks) throws IOException {
Path out = outDir.resolve(cls + ".java");
try (BufferedWriter w = writer(out)) {
w.write("package " + pkg + ";\n\n");
w.write("public final class " + cls + " {\n");
w.write(" private " + cls + "() {}\n\n");
w.write(" static final int LEN = " + L + ";\n");
w.write(" static final int ROWS = " + rows + ";\n");
w.write(" static final int COLS = " + cols + ";\n");
w.write(" static final int WORDS_LEN = " + wordsLen + ";\n");
w.write(" static final int POS_LEN = " + posLen + ";\n\n");
// assemble words
w.write(" private static long[] words() {\n");
String wPrefix = "DictDataL" + L + "W";
if (wChunks == 1) {
w.write(" return " + wPrefix + "0.get();\n");
} else {
w.write(" long[] out = new long[WORDS_LEN];\n");
w.write(" int k = 0;\n");
for (int ci = 0; ci < wChunks; ci++) {
w.write(" k = copy(out, k, " + wPrefix + ci + ".get());\n");
}
w.write(" return out;\n");
}
w.write(" }\n\n");
// assemble pos
w.write(" private static long[] posFlat() {\n");
String pPrefix = "DictDataL" + L + "P";
if (pChunks == 1) {
w.write(" return " + pPrefix + "0.get();\n");
} else {
w.write(" long[] out = new long[POS_LEN];\n");
w.write(" int k = 0;\n");
for (int ci = 0; ci < pChunks; ci++) {
w.write(" k = copy(out, k, " + pPrefix + ci + ".get());\n");
}
w.write(" return out;\n");
}
w.write(" }\n\n");
// entry
w.write(" public static puzzle.SwedishGenerator.DictEntry entry() {\n");
w.write(" long[] wds = words();\n");
w.write(" long[] flat = posFlat();\n");
w.write(" long[][] pos = reshape(flat, ROWS, COLS);\n");
w.write(" return new puzzle.SwedishGenerator.DictEntry(wds, pos, wds.length, (wds.length + 63) >>> 6);\n");
w.write(" }\n\n");
// helpers
w.write(" private static int copy(long[] dst, int at, long[] src) {\n");
w.write(" System.arraycopy(src, 0, dst, at, src.length);\n");
w.write(" return at + src.length;\n");
w.write(" }\n\n");
w.write(" private static long[][] reshape(long[] flat, int rows, int cols) {\n");
w.write(" long[][] out = new long[rows][cols];\n");
w.write(" int k = 0;\n");
w.write(" for (int r = 0; r < rows; r++) {\n");
w.write(" System.arraycopy(flat, k, out[r], 0, cols);\n");
w.write(" k += cols;\n");
w.write(" }\n");
w.write(" return out;\n");
w.write(" }\n");
w.write("}\n");
}
}
private static BufferedWriter writer(Path out) throws IOException {
return Files.newBufferedWriter(out, StandardCharsets.UTF_8,
StandardOpenOption.CREATE, StandardOpenOption.TRUNCATE_EXISTING, StandardOpenOption.WRITE);
}
private static String toLongLiteral(long v) {
return "0x" + Long.toUnsignedString(v, 16) + "L";
}
public static final class CsvIndexService {
static int SIMPEL_IDX = 3;
public static int lineToSimpel(String line) {
var parts = line.split(",", 5);
return Integer.parseInt(parts[SIMPEL_IDX].trim());
}
public static String[] lineToClue(String line) {
if (line.isBlank()) throw new RuntimeException("Empty line");
var parts = line.split(",", 5);
var rawClue = parts[4].trim();
if (rawClue.startsWith("\"") && rawClue.endsWith("\"")) {
rawClue = rawClue.substring(1, rawClue.length() - 1).replace("\"\"", "\"");
}
return Meta.GSON.fromJson(rawClue, String[].class);
}
public static void lineToLemma(String line, LongConsumer ok) {
if (line.isBlank()) {
throw new RuntimeException("Empty line");
}
var parts = line.split(",", 5);
var id = Integer.parseInt(parts[0].trim());
var word = parts[1].trim();
int score = Integer.parseInt(parts[2].trim());
int simpel = Integer.parseInt(parts[3].trim());
if (score < 1 || simpel>THRESS) {
if (Main.VERBOSE) System.err.println("Word too complex: " + line);
return;
}
ok.accept(Lemma.from(word.getBytes(US_ASCII)));
}
}
record DictEntryDTO(LongArrayList words, IntListDTO[][] pos) {
public DictEntryDTO(int L) {
this(new LongArrayList(1024), new IntListDTO[L][26]);
for (var i = 0; i < L; i++) for (var j = 0; j < 26; j++) pos[i][j] = new IntListDTO();
}
@Getter
@Accessors(fluent = true)
@NoArgsConstructor
static final class IntListDTO {
int[] data = new int[8];
int size = 0;
public IntListDTO(int size) {
data = new int[size];
}
void add(int v) {
if (size >= data.length) data = Arrays.copyOf(data, data.length * 2);
data[size++] = v;
}
int[] toArray() { return Arrays.copyOf(data, size); }
}
}
static final class LongArrayList {
long[] a;
int size;
LongArrayList(int initialCapacity) {
if (initialCapacity < 0) throw new IllegalArgumentException();
a = new long[initialCapacity];
}
int size() { return size; }
void add(long v) {
if (size == a.length) grow();
a[size++] = v;
}
void grow() {
int newCap = a.length == 0 ? 1 : a.length * 2;
long[] n = new long[newCap];
System.arraycopy(a, 0, n, 0, size);
a = n;
}
long[] toArray() { return Arrays.copyOf(a, this.size); }
}
}