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comparison src/luan/LuanJavaFunction.java @ 1333:25746915a241

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merge Luan and LuanState
author Franklin Schmidt <fschmidt@gmail.com>
date Tue, 12 Feb 2019 22:33:40 -0700
parents 9fa8b8389578
children e0cf0d108a77
comparison
equal deleted inserted replaced
1332:11b7e11f9ed5 1333:25746915a241
53 53
54 public boolean isVarArgs() { 54 public boolean isVarArgs() {
55 return method.isVarArgs(); 55 return method.isVarArgs();
56 } 56 }
57 57
58 @Override public Object call(LuanState luan,Object[] args) throws LuanException { 58 @Override public Object call(Luan luan,Object[] args) throws LuanException {
59 try { 59 try {
60 args = fixArgs(luan,args); 60 args = fixArgs(luan,args);
61 return doCall(luan,args); 61 return doCall(luan,args);
62 } catch(IllegalArgumentException e) { 62 } catch(IllegalArgumentException e) {
63 checkArgs(args); 63 checkArgs(args);
64 throw e; 64 throw e;
65 } 65 }
66 } 66 }
67 67
68 public Object rawCall(LuanState luan,Object[] args) throws LuanException { 68 public Object rawCall(Luan luan,Object[] args) throws LuanException {
69 args = fixArgs(luan,args); 69 args = fixArgs(luan,args);
70 return doCall(luan,args); 70 return doCall(luan,args);
71 } 71 }
72 72
73 private Object doCall(LuanState luan,Object[] args) throws LuanException { 73 private Object doCall(Luan luan,Object[] args) throws LuanException {
74 Object rtn; 74 Object rtn;
75 try { 75 try {
76 rtn = method.invoke(obj,args); 76 rtn = method.invoke(obj,args);
77 } catch(IllegalAccessException e) { 77 } catch(IllegalAccessException e) {
78 throw new RuntimeException("method = "+method,e); 78 throw new RuntimeException("method = "+method,e);
144 if( type.equals("LuanJavaFunction") ) 144 if( type.equals("LuanJavaFunction") )
145 return "function"; 145 return "function";
146 return type; 146 return type;
147 } 147 }
148 148
149 private Object[] fixArgs(LuanState luan,Object[] args) throws LuanException { 149 private Object[] fixArgs(Luan luan,Object[] args) throws LuanException {
150 int n = argConverters.length; 150 int n = argConverters.length;
151 Object[] rtn; 151 Object[] rtn;
152 int start = 0; 152 int start = 0;
153 if( !takesLuaState && varArgCls==null && args.length == n ) { 153 if( !takesLuaState && varArgCls==null && args.length == n ) {
154 rtn = args; 154 rtn = args;
187 return rtn; 187 return rtn;
188 } 188 }
189 189
190 190
191 private interface RtnConverter { 191 private interface RtnConverter {
192 public Object convert(LuanState luan,Object obj); 192 public Object convert(Luan luan,Object obj);
193 } 193 }
194 194
195 private static final RtnConverter RTN_NOTHING = new RtnConverter() { 195 private static final RtnConverter RTN_NOTHING = new RtnConverter() {
196 @Override public Object[] convert(LuanState luan,Object obj) { 196 @Override public Object[] convert(Luan luan,Object obj) {
197 return NOTHING; 197 return NOTHING;
198 } 198 }
199 }; 199 };
200 200
201 private static final RtnConverter RTN_SAME = new RtnConverter() { 201 private static final RtnConverter RTN_SAME = new RtnConverter() {
202 @Override public Object convert(LuanState luan,Object obj) { 202 @Override public Object convert(Luan luan,Object obj) {
203 return obj; 203 return obj;
204 } 204 }
205 }; 205 };
206 206
207 private static final RtnConverter RTN_ARRAY = new RtnConverter() { 207 private static final RtnConverter RTN_ARRAY = new RtnConverter() {
208 @Override public Object convert(LuanState luan,Object obj) { 208 @Override public Object convert(Luan luan,Object obj) {
209 if( obj == null ) 209 if( obj == null )
210 return null; 210 return null;
211 Object[] a = new Object[Array.getLength(obj)]; 211 Object[] a = new Object[Array.getLength(obj)];
212 for( int i=0; i<a.length; i++ ) { 212 for( int i=0; i<a.length; i++ ) {
213 a[i] = Array.get(obj,i); 213 a[i] = Array.get(obj,i);
225 } 225 }
226 return RTN_SAME; 226 return RTN_SAME;
227 } 227 }
228 228
229 private interface ArgConverter { 229 private interface ArgConverter {
230 public Object convert(LuanState luan,Object obj) throws LuanException; 230 public Object convert(Luan luan,Object obj) throws LuanException;
231 } 231 }
232 232
233 private static final ArgConverter ARG_SAME = new ArgConverter() { 233 private static final ArgConverter ARG_SAME = new ArgConverter() {
234 public Object convert(LuanState luan,Object obj) { 234 public Object convert(Luan luan,Object obj) {
235 return obj; 235 return obj;
236 } 236 }
237 @Override public String toString() { 237 @Override public String toString() {
238 return "ARG_SAME"; 238 return "ARG_SAME";
239 } 239 }
240 }; 240 };
241 241
242 private static final ArgConverter ARG_DOUBLE = new ArgConverter() { 242 private static final ArgConverter ARG_DOUBLE = new ArgConverter() {
243 public Object convert(LuanState luan,Object obj) { 243 public Object convert(Luan luan,Object obj) {
244 if( obj instanceof Double ) 244 if( obj instanceof Double )
245 return obj; 245 return obj;
246 if( obj instanceof Number ) { 246 if( obj instanceof Number ) {
247 Number n = (Number)obj; 247 Number n = (Number)obj;
248 return n.doubleValue(); 248 return n.doubleValue();
253 return "ARG_DOUBLE"; 253 return "ARG_DOUBLE";
254 } 254 }
255 }; 255 };
256 256
257 private static final ArgConverter ARG_FLOAT = new ArgConverter() { 257 private static final ArgConverter ARG_FLOAT = new ArgConverter() {
258 public Object convert(LuanState luan,Object obj) { 258 public Object convert(Luan luan,Object obj) {
259 if( obj instanceof Float ) 259 if( obj instanceof Float )
260 return obj; 260 return obj;
261 if( obj instanceof Number ) { 261 if( obj instanceof Number ) {
262 Number n = (Number)obj; 262 Number n = (Number)obj;
263 return n.floatValue(); 263 return n.floatValue();
268 return "ARG_FLOAT"; 268 return "ARG_FLOAT";
269 } 269 }
270 }; 270 };
271 271
272 private static final ArgConverter ARG_LONG = new ArgConverter() { 272 private static final ArgConverter ARG_LONG = new ArgConverter() {
273 public Object convert(LuanState luan,Object obj) { 273 public Object convert(Luan luan,Object obj) {
274 if( obj instanceof Long ) 274 if( obj instanceof Long )
275 return obj; 275 return obj;
276 if( obj instanceof Number ) { 276 if( obj instanceof Number ) {
277 Number n = (Number)obj; 277 Number n = (Number)obj;
278 long r = n.longValue(); 278 long r = n.longValue();
285 return "ARG_LONG"; 285 return "ARG_LONG";
286 } 286 }
287 }; 287 };
288 288
289 private static final ArgConverter ARG_INTEGER = new ArgConverter() { 289 private static final ArgConverter ARG_INTEGER = new ArgConverter() {
290 public Object convert(LuanState luan,Object obj) { 290 public Object convert(Luan luan,Object obj) {
291 if( obj instanceof Integer ) 291 if( obj instanceof Integer )
292 return obj; 292 return obj;
293 if( obj instanceof Number ) { 293 if( obj instanceof Number ) {
294 Number n = (Number)obj; 294 Number n = (Number)obj;
295 int r = n.intValue(); 295 int r = n.intValue();
302 return "ARG_INTEGER"; 302 return "ARG_INTEGER";
303 } 303 }
304 }; 304 };
305 305
306 private static final ArgConverter ARG_SHORT = new ArgConverter() { 306 private static final ArgConverter ARG_SHORT = new ArgConverter() {
307 public Object convert(LuanState luan,Object obj) { 307 public Object convert(Luan luan,Object obj) {
308 if( obj instanceof Short ) 308 if( obj instanceof Short )
309 return obj; 309 return obj;
310 if( obj instanceof Number ) { 310 if( obj instanceof Number ) {
311 Number n = (Number)obj; 311 Number n = (Number)obj;
312 short r = n.shortValue(); 312 short r = n.shortValue();
319 return "ARG_SHORT"; 319 return "ARG_SHORT";
320 } 320 }
321 }; 321 };
322 322
323 private static final ArgConverter ARG_BYTE = new ArgConverter() { 323 private static final ArgConverter ARG_BYTE = new ArgConverter() {
324 public Object convert(LuanState luan,Object obj) { 324 public Object convert(Luan luan,Object obj) {
325 if( obj instanceof Byte ) 325 if( obj instanceof Byte )
326 return obj; 326 return obj;
327 if( obj instanceof Number ) { 327 if( obj instanceof Number ) {
328 Number n = (Number)obj; 328 Number n = (Number)obj;
329 byte r = n.byteValue(); 329 byte r = n.byteValue();
336 return "ARG_BYTE"; 336 return "ARG_BYTE";
337 } 337 }
338 }; 338 };
339 339
340 private static final ArgConverter ARG_TABLE = new ArgConverter() { 340 private static final ArgConverter ARG_TABLE = new ArgConverter() {
341 public Object convert(LuanState luan,Object obj) { 341 public Object convert(Luan luan,Object obj) {
342 LuanTable tbl = luan.toTable(obj); 342 LuanTable tbl = luan.toTable(obj);
343 return tbl!=null ? tbl : obj; 343 return tbl!=null ? tbl : obj;
344 } 344 }
345 @Override public String toString() { 345 @Override public String toString() {
346 return "ARG_TABLE"; 346 return "ARG_TABLE";
347 } 347 }
348 }; 348 };
349 349
350 private static final ArgConverter ARG_MAP = new ArgConverter() { 350 private static final ArgConverter ARG_MAP = new ArgConverter() {
351 public Object convert(LuanState luan,Object obj) throws LuanException { 351 public Object convert(Luan luan,Object obj) throws LuanException {
352 if( obj instanceof LuanTable ) { 352 if( obj instanceof LuanTable ) {
353 LuanTable t = (LuanTable)obj; 353 LuanTable t = (LuanTable)obj;
354 return t.asMap(); 354 return t.asMap();
355 } 355 }
356 return obj; 356 return obj;
359 return "ARG_MAP"; 359 return "ARG_MAP";
360 } 360 }
361 }; 361 };
362 362
363 private static final ArgConverter ARG_LIST = new ArgConverter() { 363 private static final ArgConverter ARG_LIST = new ArgConverter() {
364 public Object convert(LuanState luan,Object obj) { 364 public Object convert(Luan luan,Object obj) {
365 if( obj instanceof LuanTable ) { 365 if( obj instanceof LuanTable ) {
366 LuanTable t = (LuanTable)obj; 366 LuanTable t = (LuanTable)obj;
367 if( t.isList() ) 367 if( t.isList() )
368 return t.asList(); 368 return t.asList();
369 } 369 }
373 return "ARG_LIST"; 373 return "ARG_LIST";
374 } 374 }
375 }; 375 };
376 376
377 private static final ArgConverter ARG_SET = new ArgConverter() { 377 private static final ArgConverter ARG_SET = new ArgConverter() {
378 public Object convert(LuanState luan,Object obj) throws LuanException { 378 public Object convert(Luan luan,Object obj) throws LuanException {
379 if( obj instanceof LuanTable ) { 379 if( obj instanceof LuanTable ) {
380 LuanTable t = (LuanTable)obj; 380 LuanTable t = (LuanTable)obj;
381 if( t.isSet() ) 381 if( t.isSet() )
382 return t.asSet(); 382 return t.asSet();
383 } 383 }
387 return "ARG_SET"; 387 return "ARG_SET";
388 } 388 }
389 }; 389 };
390 390
391 private static final ArgConverter ARG_COLLECTION = new ArgConverter() { 391 private static final ArgConverter ARG_COLLECTION = new ArgConverter() {
392 public Object convert(LuanState luan,Object obj) throws LuanException { 392 public Object convert(Luan luan,Object obj) throws LuanException {
393 if( obj instanceof LuanTable ) { 393 if( obj instanceof LuanTable ) {
394 LuanTable t = (LuanTable)obj; 394 LuanTable t = (LuanTable)obj;
395 if( t.isList() ) 395 if( t.isList() )
396 return t.asList(); 396 return t.asList();
397 if( t.isSet() ) 397 if( t.isSet() )
409 409
410 ArgArray(Class cls) { 410 ArgArray(Class cls) {
411 a = (Object[])Array.newInstance(cls.getComponentType(),0); 411 a = (Object[])Array.newInstance(cls.getComponentType(),0);
412 } 412 }
413 413
414 public Object convert(LuanState luan,Object obj) { 414 public Object convert(Luan luan,Object obj) {
415 if( obj instanceof LuanTable ) { 415 if( obj instanceof LuanTable ) {
416 LuanTable t = (LuanTable)obj; 416 LuanTable t = (LuanTable)obj;
417 if( t.isList() ) { 417 if( t.isList() ) {
418 try { 418 try {
419 return t.asList().toArray(a); 419 return t.asList().toArray(a);
424 } 424 }
425 } 425 }
426 426
427 private static boolean takesLuaState(JavaMethod m) { 427 private static boolean takesLuaState(JavaMethod m) {
428 Class[] paramTypes = m.getParameterTypes(); 428 Class[] paramTypes = m.getParameterTypes();
429 return paramTypes.length > 0 && paramTypes[0].equals(LuanState.class); 429 return paramTypes.length > 0 && paramTypes[0].equals(Luan.class);
430 } 430 }
431 431
432 private static ArgConverter[] getArgConverters(boolean takesLuaState,JavaMethod m) { 432 private static ArgConverter[] getArgConverters(boolean takesLuaState,JavaMethod m) {
433 final boolean isVarArgs = m.isVarArgs(); 433 final boolean isVarArgs = m.isVarArgs();
434 Class[] paramTypes = m.getParameterTypes(); 434 Class[] paramTypes = m.getParameterTypes();