-
Notifications
You must be signed in to change notification settings - Fork 227
Expand file tree
/
Copy pathDefaultInvokerFactory.java
More file actions
502 lines (380 loc) · 17.6 KB
/
DefaultInvokerFactory.java
File metadata and controls
502 lines (380 loc) · 17.6 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
package org.python.modules.jffi;
import com.kenai.jffi.ArrayFlags;
import com.kenai.jffi.Function;
import com.kenai.jffi.HeapInvocationBuffer;
import com.kenai.jffi.Platform;
import org.python.core.Py;
import org.python.core.PyNone;
import org.python.core.PyObject;
class DefaultInvokerFactory {
private static final class SingletonHolder {
public static final DefaultInvokerFactory INSTANCE = new DefaultInvokerFactory();
}
public static final DefaultInvokerFactory getFactory() {
return SingletonHolder.INSTANCE;
}
private DefaultInvokerFactory() {}
final Invoker createInvoker(com.kenai.jffi.Function function, PyObject returnType, PyObject[] parameterTypes) {
ParameterMarshaller[] marshallers = new ParameterMarshaller[parameterTypes.length];
for (int i = 0; i < marshallers.length; ++i) {
marshallers[i] = getMarshaller(parameterTypes[i]);
}
return createInvoker(function, returnType, marshallers);
}
final Invoker createInvoker(com.kenai.jffi.Function function, CType[] parameterTypes, CType returnType) {
ParameterMarshaller[] marshallers = new ParameterMarshaller[parameterTypes.length];
for (int i = 0; i < marshallers.length; ++i) {
marshallers[i] = getMarshaller(parameterTypes[i]);
}
return createInvoker(function, returnType, marshallers);
}
final Invoker createInvoker(com.kenai.jffi.Function function, NativeType[] parameterTypes, NativeType returnType) {
ParameterMarshaller[] marshallers = new ParameterMarshaller[parameterTypes.length];
for (int i = 0; i < marshallers.length; ++i) {
marshallers[i] = getMarshaller(parameterTypes[i]);
}
return createInvoker(function, returnType, marshallers);
}
final Invoker createInvoker(com.kenai.jffi.Function function, PyObject returnType, ParameterMarshaller[] marshallers) {
CType cReturnType = CType.typeOf(returnType);
if (cReturnType instanceof CType.Builtin) {
return createInvoker(function, cReturnType.getNativeType(), marshallers);
}
throw Py.RuntimeError("Unsupported return type: " + returnType);
}
final Invoker createInvoker(com.kenai.jffi.Function function, NativeType returnType, ParameterMarshaller[] marshallers) {
switch (returnType) {
case VOID:
return new VoidInvoker(function, marshallers);
case BYTE:
return new Signed8Invoker(function, marshallers);
case UBYTE:
return new Unsigned8Invoker(function, marshallers);
case SHORT:
return new Signed16Invoker(function, marshallers);
case USHORT:
return new Unsigned16Invoker(function, marshallers);
case INT:
return new Signed32Invoker(function, marshallers);
case UINT:
return new Unsigned32Invoker(function, marshallers);
case LONGLONG:
return new Signed64Invoker(function, marshallers);
case ULONGLONG:
return new Unsigned64Invoker(function, marshallers);
case LONG:
return Platform.getPlatform().longSize() == 32
? new Signed32Invoker(function, marshallers)
: new Signed64Invoker(function, marshallers);
case ULONG:
return Platform.getPlatform().longSize() == 32
? new Unsigned32Invoker(function, marshallers)
: new Unsigned64Invoker(function, marshallers);
case FLOAT:
return new FloatInvoker(function, marshallers);
case DOUBLE:
return new DoubleInvoker(function, marshallers);
case POINTER:
return new PointerInvoker(function, marshallers);
case STRING:
return new StringInvoker(function, marshallers);
default:
break;
}
throw Py.RuntimeError("Unsupported return type: " + returnType);
}
static final ParameterMarshaller getMarshaller(NativeType type) {
switch (type) {
case BYTE:
return Signed8Marshaller.INSTANCE;
case UBYTE:
return Unsigned8Marshaller.INSTANCE;
case SHORT:
return Signed16Marshaller.INSTANCE;
case USHORT:
return Unsigned16Marshaller.INSTANCE;
case INT:
return Signed32Marshaller.INSTANCE;
case UINT:
return Unsigned32Marshaller.INSTANCE;
case LONGLONG:
return Signed64Marshaller.INSTANCE;
case ULONGLONG:
return Unsigned64Marshaller.INSTANCE;
case LONG:
return Platform.getPlatform().longSize() == 32
? Signed32Marshaller.INSTANCE : Signed64Marshaller.INSTANCE;
case ULONG:
return Platform.getPlatform().longSize() == 32
? Unsigned32Marshaller.INSTANCE : Unsigned64Marshaller.INSTANCE;
case FLOAT:
return FloatMarshaller.INSTANCE;
case DOUBLE:
return DoubleMarshaller.INSTANCE;
case POINTER:
return PointerMarshaller.INSTANCE;
case STRING:
return StringMarshaller.INSTANCE;
default:
throw Py.RuntimeError("Unsupported parameter type: " + type);
}
}
static final ParameterMarshaller getMarshaller(CType type) {
if (type instanceof CType.Builtin) {
return getMarshaller(type.getNativeType());
} else if (type instanceof CType.Pointer) {
return PointerMarshaller.INSTANCE;
} else {
throw Py.RuntimeError("Unsupported parameter type: " + type);
}
}
static final ParameterMarshaller getMarshaller(PyObject type) {
return getMarshaller(CType.typeOf(type));
}
static interface ParameterMarshaller {
void marshal(HeapInvocationBuffer buffer, PyObject arg);
}
private static abstract class BaseInvoker extends Invoker {
final Function jffiFunction;
final com.kenai.jffi.Invoker jffiInvoker = com.kenai.jffi.Invoker.getInstance();
final ParameterMarshaller[] marshallers;
final int arity;
public BaseInvoker(Function function, ParameterMarshaller[] marshallers) {
this.jffiFunction= function;
this.marshallers = marshallers;
this.arity = marshallers.length;
}
final HeapInvocationBuffer convertArguments(PyObject[] args) {
checkArity(args);
HeapInvocationBuffer buffer = new HeapInvocationBuffer(jffiFunction);
for (int i = 0; i < marshallers.length; ++i) {
marshallers[i].marshal(buffer, args[i]);
}
return buffer;
}
public final PyObject invoke() {
return invoke(new PyObject[0]);
}
public final PyObject invoke(PyObject arg0) {
return invoke(new PyObject[] { arg0 });
}
public final PyObject invoke(PyObject arg0, PyObject arg1) {
return invoke(new PyObject[] { arg0, arg1 });
}
public final PyObject invoke(PyObject arg0, PyObject arg1, PyObject arg2) {
return invoke(new PyObject[] { arg0, arg1, arg2 });
}
public final PyObject invoke(PyObject arg0, PyObject arg1, PyObject arg2, PyObject arg3) {
return invoke(new PyObject[] { arg0, arg1, arg2, arg3 });
}
public final PyObject invoke(PyObject arg0, PyObject arg1, PyObject arg2, PyObject arg3, PyObject arg4) {
return invoke(new PyObject[] { arg0, arg1, arg2, arg3, arg4 });
}
public final PyObject invoke(PyObject arg0, PyObject arg1, PyObject arg2, PyObject arg3, PyObject arg4, PyObject arg5) {
return invoke(new PyObject[] { arg0, arg1, arg2, arg3, arg4, arg5 });
}
final void checkArity(PyObject[] args) {
checkArity(args.length);
}
final void checkArity(int got) {
if (got != arity) {
throw Py.TypeError(String.format("expected %d args; got %d", arity, got));
}
}
}
private static final class VoidInvoker extends BaseInvoker {
public VoidInvoker(Function function, ParameterMarshaller[] marshallers) {
super(function, marshallers);
}
public final PyObject invoke(PyObject[] args) {
jffiInvoker.invokeInt(jffiFunction, convertArguments(args));
return Py.None;
}
}
private static final class Signed8Invoker extends BaseInvoker {
public Signed8Invoker(Function function, ParameterMarshaller[] marshallers) {
super(function, marshallers);
}
public final PyObject invoke(PyObject[] args) {
return Util.newSigned8(jffiInvoker.invokeInt(jffiFunction, convertArguments(args)));
}
}
private static final class Unsigned8Invoker extends BaseInvoker {
public Unsigned8Invoker(Function function, ParameterMarshaller[] marshallers) {
super(function, marshallers);
}
public final PyObject invoke(PyObject[] args) {
return Util.newUnsigned8(jffiInvoker.invokeInt(jffiFunction, convertArguments(args)));
}
}
private static final class Signed16Invoker extends BaseInvoker {
public Signed16Invoker(Function function, ParameterMarshaller[] marshallers) {
super(function, marshallers);
}
public final PyObject invoke(PyObject[] args) {
return JITRuntime.newSigned16(jffiInvoker.invokeInt(jffiFunction, convertArguments(args)));
}
}
private static final class Unsigned16Invoker extends BaseInvoker {
public Unsigned16Invoker(Function function, ParameterMarshaller[] marshallers) {
super(function, marshallers);
}
public final PyObject invoke(PyObject[] args) {
return JITRuntime.newUnsigned16(jffiInvoker.invokeInt(jffiFunction, convertArguments(args)));
}
}
private static final class Signed32Invoker extends BaseInvoker {
public Signed32Invoker(Function function, ParameterMarshaller[] marshallers) {
super(function, marshallers);
}
public final PyObject invoke(PyObject[] args) {
return JITRuntime.newSigned32(jffiInvoker.invokeInt(jffiFunction, convertArguments(args)));
}
}
private static final class Unsigned32Invoker extends BaseInvoker {
public Unsigned32Invoker(Function function, ParameterMarshaller[] marshallers) {
super(function, marshallers);
}
public final PyObject invoke(PyObject[] args) {
return JITRuntime.newUnsigned32(jffiInvoker.invokeInt(jffiFunction, convertArguments(args)));
}
}
private static final class Signed64Invoker extends BaseInvoker {
public Signed64Invoker(Function function, ParameterMarshaller[] marshallers) {
super(function, marshallers);
}
public final PyObject invoke(PyObject[] args) {
return JITRuntime.newSigned64(jffiInvoker.invokeLong(jffiFunction, convertArguments(args)));
}
}
private static final class Unsigned64Invoker extends BaseInvoker {
public Unsigned64Invoker(Function function, ParameterMarshaller[] marshallers) {
super(function, marshallers);
}
public final PyObject invoke(PyObject[] args) {
return JITRuntime.newUnsigned64(jffiInvoker.invokeLong(jffiFunction, convertArguments(args)));
}
}
private static final class FloatInvoker extends BaseInvoker {
public FloatInvoker(Function function, ParameterMarshaller[] marshallers) {
super(function, marshallers);
}
public final PyObject invoke(PyObject[] args) {
return Py.newFloat(jffiInvoker.invokeFloat(jffiFunction, convertArguments(args)));
}
}
private static final class DoubleInvoker extends BaseInvoker {
public DoubleInvoker(Function function, ParameterMarshaller[] marshallers) {
super(function, marshallers);
}
public final PyObject invoke(PyObject[] args) {
return Py.newFloat(jffiInvoker.invokeDouble(jffiFunction, convertArguments(args)));
}
}
private static final class PointerInvoker extends BaseInvoker {
public PointerInvoker(Function function, ParameterMarshaller[] marshallers) {
super(function, marshallers);
}
public final PyObject invoke(PyObject[] args) {
return Py.newLong(jffiInvoker.invokeAddress(jffiFunction, convertArguments(args)));
}
}
private static final class StringInvoker extends BaseInvoker {
private static final com.kenai.jffi.MemoryIO IO = com.kenai.jffi.MemoryIO.getInstance();
public StringInvoker(Function function, ParameterMarshaller[] marshallers) {
super(function, marshallers);
}
public final PyObject invoke(PyObject[] args) {
return JITRuntime.newString(jffiInvoker.invokeAddress(jffiFunction, convertArguments(args)));
}
}
/*------------------------------------------------------------------------*/
static abstract class BaseMarshaller implements ParameterMarshaller {
}
private static class Signed8Marshaller extends BaseMarshaller {
public static final ParameterMarshaller INSTANCE = new Signed8Marshaller();
public void marshal(HeapInvocationBuffer buffer, PyObject arg) {
buffer.putByte(Util.int8Value(arg));
}
}
private static class Unsigned8Marshaller extends BaseMarshaller {
public static final ParameterMarshaller INSTANCE = new Unsigned8Marshaller();
public void marshal(HeapInvocationBuffer buffer, PyObject arg) {
buffer.putByte((byte) Util.uint8Value(arg));
}
}
private static class Signed16Marshaller extends BaseMarshaller {
public static final ParameterMarshaller INSTANCE = new Signed16Marshaller();
public void marshal(HeapInvocationBuffer buffer, PyObject arg) {
buffer.putShort(Util.int16Value(arg));
}
}
private static class Unsigned16Marshaller extends BaseMarshaller {
public static final ParameterMarshaller INSTANCE = new Unsigned16Marshaller();
public void marshal(HeapInvocationBuffer buffer, PyObject arg) {
buffer.putShort((short) Util.uint16Value(arg));
}
}
private static class Signed32Marshaller extends BaseMarshaller {
public static final ParameterMarshaller INSTANCE = new Signed32Marshaller();
public void marshal(HeapInvocationBuffer buffer, PyObject arg) {
buffer.putInt(Util.int32Value(arg));
}
}
private static class Unsigned32Marshaller extends BaseMarshaller {
public static final ParameterMarshaller INSTANCE = new Unsigned32Marshaller();
public void marshal(HeapInvocationBuffer buffer, PyObject arg) {
buffer.putInt((int) Util.uint32Value(arg));
}
}
private static class Signed64Marshaller extends BaseMarshaller {
public static final ParameterMarshaller INSTANCE = new Signed64Marshaller();
public void marshal(HeapInvocationBuffer buffer, PyObject arg) {
buffer.putLong(Util.int64Value(arg));
}
}
private static class Unsigned64Marshaller extends BaseMarshaller {
public static final ParameterMarshaller INSTANCE = new Unsigned64Marshaller();
public void marshal(HeapInvocationBuffer buffer, PyObject arg) {
buffer.putLong(Util.uint64Value(arg));
}
}
private static class FloatMarshaller extends BaseMarshaller {
public static final ParameterMarshaller INSTANCE = new FloatMarshaller();
public void marshal(HeapInvocationBuffer buffer, PyObject arg) {
buffer.putFloat((float) arg.asDouble());
}
}
private static class DoubleMarshaller extends BaseMarshaller {
public static final ParameterMarshaller INSTANCE = new DoubleMarshaller();
public void marshal(HeapInvocationBuffer buffer, PyObject arg) {
buffer.putDouble(arg.asDouble());
}
}
private static class StringMarshaller extends BaseMarshaller {
public static final ParameterMarshaller INSTANCE = new StringMarshaller();
public void marshal(HeapInvocationBuffer buffer, PyObject parameter) {
if (parameter instanceof StringCData) {
buffer.putAddress(((StringCData) parameter).getMemory().getAddress());
} else if (parameter instanceof PyNone) {
buffer.putAddress(0);
} else {
byte[] bytes = parameter.toString().getBytes();
buffer.putArray(bytes, 0, bytes.length,
ArrayFlags.IN | ArrayFlags.NULTERMINATE);
}
}
}
private static class PointerMarshaller extends BaseMarshaller {
public static final ParameterMarshaller INSTANCE = new PointerMarshaller();
public void marshal(HeapInvocationBuffer buffer, PyObject parameter) {
if (parameter instanceof Pointer) {
buffer.putAddress(((Pointer) parameter).getMemory().getAddress());
} else if (parameter == Py.None) {
buffer.putAddress(0);
} else {
throw Py.TypeError("expected pointer argument");
}
}
}
}