C_CodeGen.jrag 48.2 KB
Newer Older
Anders Nilsson's avatar
Anders Nilsson committed
1
2
3
4
5
6
7
8
9
10
import java.util.Vector;

aspect C_CodeGenEnv {

  // Environment wrapper for C-code generation
  // handles qualid nesting, indentation, file writing and
  // prefix propagation

  public class C_env {

11
    final private static class C_printer {
Anders Nilsson's avatar
Anders Nilsson committed
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
      
      private boolean newline = true;
      private PrintStream out;

      public C_printer(PrintStream out) {
	this.out = out;
      }

      public void print(C_env env, String s) {
	if (newline) {
	  newline = false;
	  for (int i = 0 ; i < env.indent ; i++) {
	    out.print("  ");
	  }
	}
	out.print(s);
      }
      public void println(C_env env, String s) {
	print(env, s);
	out.println();
	newline = true;
      }
    }

36
    public final int version; //labcomm version (2006 or 2014)
Sven Gestegård Robertz's avatar
Sven Gestegård Robertz committed
37
    public final String verStr; // version suffix to append (currently _2006 and empty string)
38

Anders Nilsson's avatar
Anders Nilsson committed
39
40
41
42
43
44
45
    public final String qualid;
    public final String lcName;
    public final String rawPrefix;
    public final String prefix;
    private int indent;
    public final int depth;
    private C_printer printer;
46
47
48
    public final int nestedLevel;
    private boolean rootIsPointer;
    private int rootLevel;
Anders Nilsson's avatar
Anders Nilsson committed
49

50
51
52
53
    public boolean versionHasMetaData() {
      return version != 2006;
    }

Anders Nilsson's avatar
Anders Nilsson committed
54
    private C_env(String qualid, String lcName, String rawPrefix, 
Tommy Olofsson's avatar
Tommy Olofsson committed
55
56
57
		  int indent, int depth, C_printer printer,
                  int nestedLevel, int version)
    {
58
      this.version = version;
59
      this.verStr = LabCommVersion.versionString(version);
Anders Nilsson's avatar
Anders Nilsson committed
60
61
62
      this.qualid = qualid;
      this.lcName = lcName;
      this.rawPrefix = rawPrefix;
63
64
65
66
      if (rawPrefix == null) {
        System.err.println("WARNING: prefix==null");
        this.prefix = ""; 
      } else if (rawPrefix.equals("")) {
67
68
69
70
        this.prefix = rawPrefix;
      } else {
        this.prefix = rawPrefix + "_";
      }
Anders Nilsson's avatar
Anders Nilsson committed
71
72
73
      this.indent = indent;
      this.depth = depth;
      this.printer = printer;
74
      this.nestedLevel = nestedLevel;
Anders Nilsson's avatar
Anders Nilsson committed
75
76
    }

Tommy Olofsson's avatar
Tommy Olofsson committed
77
78
79
80
    public C_env(String qualid, String lcName, String rawPrefix,
		 PrintStream out, int version)
    {
      this(qualid, lcName, rawPrefix, 0, 0, new C_printer(out), 0, version);
81
82
83
    }

    public C_env(String qualid, String lcName, String rawPrefix,
Tommy Olofsson's avatar
Tommy Olofsson committed
84
85
		 int indent, int depth, C_printer printer, int version) {
            this(qualid, lcName, rawPrefix, indent, depth, printer, 0, version);
Anders Nilsson's avatar
Anders Nilsson committed
86
87
88
    }

    public C_env nestArray(String suffix) {
Tommy Olofsson's avatar
Tommy Olofsson committed
89
90
      return new C_env(qualid + suffix, lcName, rawPrefix,
		       indent, depth + 1, printer, nestedLevel + 1, version);
Anders Nilsson's avatar
Anders Nilsson committed
91
92
93
94
    }

    public C_env nestStruct(String suffix) {
      return new C_env(qualid + suffix, lcName, rawPrefix, 
Tommy Olofsson's avatar
Tommy Olofsson committed
95
		       indent, depth, printer, nestedLevel + 1, version);
Anders Nilsson's avatar
Anders Nilsson committed
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
    }

    public void indent() {
      indent++;
    }

    public void unindent() {
      indent--;
    }

    public String prefix() {
      return rawPrefix;
    }

    public void print(String s) {
      printer.print(this, s);
    }

114
115
116
117
    public void println() {
      printer.println(this, "");
    }

Anders Nilsson's avatar
Anders Nilsson committed
118
119
120
121
    public void println(String s) {
      printer.println(this, s);
    }

122
123
124
125
126
127
    public C_env setPointer() {
      rootIsPointer = true;
      rootLevel = nestedLevel;
      return this;
    }

Tommy Olofsson's avatar
Tommy Olofsson committed
128
    public String memberAccessor() {
129
130
      return (rootIsPointer && (nestedLevel == rootLevel)) ? "->" : ".";
    }
Tommy Olofsson's avatar
Tommy Olofsson committed
131
132
133
134

    public String accessor() {
      return (rootIsPointer && (nestedLevel == rootLevel)) ? "*" : "";
    }
Anders Nilsson's avatar
Anders Nilsson committed
135
136
137
138
139
140
141
142
143
  }

  public C_env ArrayType.C_Nest(C_env env) {
    throw new Error(this.getClass().getName() + 
		    ".C_Nest(C_env env)" + 
		    " not declared");
  }

  public C_env FixedArrayType.C_Nest(C_env env) {
Tommy Olofsson's avatar
Tommy Olofsson committed
144
    String index = env.memberAccessor() + "a";
Anders Nilsson's avatar
Anders Nilsson committed
145
146
147
148
149
150
151
    for (int i = 0 ; i < getNumExp() ; i++) {
      index += "[i_" + env.depth + "_" + i + "]";
    }
    return env.nestArray(index);
  }

  public C_env VariableArrayType.C_Nest(C_env env) {
Tommy Olofsson's avatar
Tommy Olofsson committed
152
    return env.nestArray(env.memberAccessor() + "a[i_" + env.depth + "]");
Anders Nilsson's avatar
Anders Nilsson committed
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
  }


}

aspect C_IsDynamic {
  
  // Determine if a type has dynamically allocated data
  syn boolean Decl.C_isDynamic() = getType().C_isDynamic();
  syn boolean Type.C_isDynamic() = false;
  syn boolean PrimType.C_isDynamic() = getToken() == LABCOMM_STRING;
  syn boolean UserType.C_isDynamic() = 
    lookupType(getName()).getType().C_isDynamic();
  syn boolean StructType.C_isDynamic() {
    for (int i = 0 ; i < getNumField() ; i++) {
      if (getField(i).getType().C_isDynamic()) {
	return true;
      }
    }
    return false;
  }
  syn boolean FixedArrayType.C_isDynamic() = getType().C_isDynamic();
  syn boolean VariableArrayType.C_isDynamic() = true;
}

aspect C_CodeGen {

  public void Program.C_genH(PrintStream out, Vector includes, 
181
182
			     String lcName, String prefix, int version) {
    C_env env = new C_env("", lcName, prefix, out, version);
Anders Nilsson's avatar
Anders Nilsson committed
183
184
185
186
187
188
189

    // Hackish prettyprint preamble
    out.println("/* LabComm declarations:");
    pp(out);
    out.println("*/");
    env.println("");
    env.println("");
190
191
    env.println("#ifndef __LABCOMM2006_" + env.lcName + "_H__"); 
    env.println("#define __LABCOMM2006_" + env.lcName + "_H__");
Anders Nilsson's avatar
Anders Nilsson committed
192
193
194
    env.println("");

    // Include
Sven Gestegård Robertz's avatar
Sven Gestegård Robertz committed
195
    env.println("#include \"labcomm"+env.verStr+".h\"");
Anders Nilsson's avatar
Anders Nilsson committed
196
197
198
199
200
201
202
203
204
205
206
    for (int i = 0 ; i < includes.size() ; i++) {
      env.println("#include \"" + includes.get(i) + "\"");
    }
    env.println("");

    C_emitH(env);

    env.println("#endif");
  }

  public void Program.C_genC(PrintStream out, Vector includes, 
207
208
			     String lcName, String prefix, int version) {
    C_env env = new C_env("", lcName, prefix, out, version);
Anders Nilsson's avatar
Anders Nilsson committed
209
210

    // Include
Sven Gestegård Robertz's avatar
Sven Gestegård Robertz committed
211
212
    env.println("#include \"labcomm"+env.verStr+".h\"");
    env.println("#include \"labcomm"+env.verStr+"_private.h\"");
Anders Nilsson's avatar
Anders Nilsson committed
213
214
215
216
217
218
219
220
221
222
223
224
    for (int i = 0 ; i < includes.size() ; i++) {
      env.println("#include \"" + includes.get(i) + "\"");
    }
    env.println("");
    
    // Method Implementations
    C_emitC(env);
  }

  public void Program.C_emitH(C_env env) {
    for (int i = 0; i < getNumDecl(); i++) {
      getDecl(i).C_emitType(env);
225
      getDecl(i).C_emitDecoderDeclaration(env);
Anders Nilsson's avatar
Anders Nilsson committed
226
227
      getDecl(i).C_emitEncoderDeclaration(env);
      getDecl(i).C_emitSizeofDeclaration(env);
Tommy Olofsson's avatar
Tommy Olofsson committed
228
      getDecl(i).C_emitCopyDeclaration(env);
229
      getDecl(i).C_emitCopyDeallocationDeclaration(env);
Anders Nilsson's avatar
Anders Nilsson committed
230
231
      env.println("");
    }
Anders Blomdell's avatar
Anders Blomdell committed
232
    C_emitConstructorDeclaration(env);
Anders Nilsson's avatar
Anders Nilsson committed
233
234
235
236
237
    C_emitForAll(env);
  }

  public void Program.C_emitC(C_env env) {
    for (int i = 0; i < getNumDecl(); i++) {
238
      getDecl(i).C_emitSignature(env);
Anders Nilsson's avatar
Anders Nilsson committed
239
240
      getDecl(i).C_emitDecoder(env);
      getDecl(i).C_emitDecoderRegisterHandler(env);
241
      getDecl(i).C_emitDecoderIoctl(env);
Anders Nilsson's avatar
Anders Nilsson committed
242
243
      getDecl(i).C_emitEncoder(env);
      getDecl(i).C_emitEncoderRegisterHandler(env);
244
      getDecl(i).C_emitEncoderIoctl(env);
Anders Nilsson's avatar
Anders Nilsson committed
245
      getDecl(i).C_emitSizeof(env);
246
      getDecl(i).C_emitCopy(env);
247
      getDecl(i).C_emitCopyDeallocation(env);
Anders Nilsson's avatar
Anders Nilsson committed
248
    }
249
    C_emitConstructor(env);
Anders Nilsson's avatar
Anders Nilsson committed
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
  }
 
}

aspect C_Common {

  public void ArrayType.C_emitLoopVariables(C_env env) {
    for (int i = 0 ; i < getNumExp() ; i++) {
      env.println("int i_" + env.depth + "_" + i + ";");
    }
  }

}

aspect C_Type {

  public void Decl.C_emitType(C_env env) {
    throw new Error(this.getClass().getName() + 
		    ".C_emitType(C_env env)" + 
		    " not declared");
  }

  public void TypeDecl.C_emitType(C_env env) {
273
    env.println("#ifndef LABCOMM_DEFINED_" + env.prefix + getName());
Anders Nilsson's avatar
Anders Nilsson committed
274
275
276
    env.print("typedef ");
    getType().C_emitType(env, env.prefix + getName());
    env.println(";");
277
    env.println("#define LABCOMM_DEFINED_" + env.prefix + getName());
Anders Nilsson's avatar
Anders Nilsson committed
278
279
280
281
    env.println("#endif");
  }

  public void SampleDecl.C_emitType(C_env env) {
282
    env.println("#ifndef LABCOMM_DEFINED_" + env.prefix + getName());
Anders Nilsson's avatar
Anders Nilsson committed
283
284
285
    env.print("typedef ");
    getType().C_emitType(env, env.prefix + getName());
    env.println(";");
286
    env.println("#define LABCOMM_DEFINED_" + env.prefix + getName());
Anders Nilsson's avatar
Anders Nilsson committed
287
    env.println("#endif");
288
289
290
    env.println("extern const struct labcomm"+env.verStr+"_signature " +
                "*labcomm"+env.verStr+"_signature_" + env.prefix + getName() + 
                ";");
Anders Nilsson's avatar
Anders Nilsson committed
291
292
293
294
295
296
297
298
299
300
301
302
303
304
  }

  public void Type.C_emitType(C_env env, String name) {
    throw new Error(this.getClass().getName() + 
		    ".C_emitType(C_env env, String name)" + 
		    " not declared");
  }

  public void VoidType.C_emitType(C_env env, String name) {
    env.print("char " + name);
  }

  public void PrimType.C_emitType(C_env env, String name) {
    switch (getToken()) {
305
306
307
308
309
310
311
      case LABCOMM_BOOLEAN: { env.print("uint8_t"); } break;
      case LABCOMM_BYTE: { env.print("uint8_t"); } break;
      case LABCOMM_SHORT: { env.print("int16_t"); } break;
      case LABCOMM_INT: { env.print("int32_t"); } break;
      case LABCOMM_LONG: { env.print("int64_t"); } break;
      case LABCOMM_FLOAT: { env.print("float"); } break;
      case LABCOMM_DOUBLE: { env.print("double"); } break;
Anders Nilsson's avatar
Anders Nilsson committed
312
      case LABCOMM_STRING: { env.print("char*"); } break;
313
314
315
      case LABCOMM_SAMPLE: { 
        env.print("const struct labcomm_signature *"); 
      } break;
Anders Nilsson's avatar
Anders Nilsson committed
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
    }
    env.print(" " + name);
  }

  public void UserType.C_emitType(C_env env, String name) {
    env.print(env.prefix + getName() + " " + name);
  }

  public void StructType.C_emitType(C_env env, String name) {
    env.println("struct {");
    env.indent();
    for (int i = 0 ; i < getNumField() ; i++) {
      getField(i).C_emitType(env);
      env.println(";");
    }
    env.unindent();
    env.print("} " + name);
  }

  public void Field.C_emitType(C_env env) {
    getType().C_emitType(env, getName());
  }

  public void FixedArrayType.C_emitType(C_env env, String name) {
    env.println("struct {");
    env.indent();
    StringBuffer index = new StringBuffer("a");
    for (int i = 0 ; i < getNumExp() ; i++) {
      index.append("[" + getExp(i).C_getValue() + "]");
    }
    getType().C_emitType(env, index.toString());
    env.println(";");
    env.unindent();
    env.print("} " + name);
  }

  public void VariableArrayType.C_emitType(C_env env, String name) {
    env.println("struct {");
    env.indent();
    for (int i = 0 ; i < getNumExp() ; i++) {
      if (getExp(i) instanceof VariableSize) {
	env.println("int n_" + i + ";");
      } else {
	env.println("// n_" + i + "=" + getExp(i).C_getValue());
      }
    }
    getType().C_emitType(env, "*a");
    env.println(";");
    env.unindent();
    env.print("} " + name);
  }

  public String Exp.C_getValue() {
   throw new Error(this.getClass().getName() + 
		    ".C_getValue()" + 
		    " not declared");
  }

  public String IntegerLiteral.C_getValue() {
    return getValue();
  }

}

aspect C_Declarations {

382
  public void Decl.C_emitDecoderDeclaration(C_env env) {
Anders Nilsson's avatar
Anders Nilsson committed
383
384
  }

385
  public void SampleDecl.C_emitDecoderDeclaration(C_env env) {
Sven Gestegård Robertz's avatar
Sven Gestegård Robertz committed
386
    env.println("int labcomm"+env.verStr+"_decoder_register_" + 
Anders Nilsson's avatar
Anders Nilsson committed
387
388
		env.prefix + getName() + "(");
    env.indent();
Sven Gestegård Robertz's avatar
Sven Gestegård Robertz committed
389
    env.println("struct labcomm"+env.verStr+"_decoder *d,");
Anders Nilsson's avatar
Anders Nilsson committed
390
391
392
393
394
395
396
397
398
    env.println("void (*handler)(");
    env.indent();
    env.println(env.prefix + getName() + " *v,");
    env.println("void *context");
    env.unindent();
    env.println("),");
    env.println("void *context");
    env.unindent();
    env.println(");");
399

Sven Gestegård Robertz's avatar
Sven Gestegård Robertz committed
400
    env.println("int labcomm"+env.verStr+"_decoder_ioctl_" + env.prefix + getName() + "(");
401
    env.indent();
Sven Gestegård Robertz's avatar
Sven Gestegård Robertz committed
402
    env.println("struct labcomm"+env.verStr+"_decoder *d,");
403
404
405
406
    env.println("int ioctl_action,");
    env.println("...");
    env.unindent();
    env.println(");");
Anders Nilsson's avatar
Anders Nilsson committed
407
408
409
410
  }
  
  public void Decl.C_emitEncoderDeclaration(C_env env) {
  }
411
//
Anders Nilsson's avatar
Anders Nilsson committed
412
  public void SampleDecl.C_emitEncoderDeclaration(C_env env) {
Sven Gestegård Robertz's avatar
Sven Gestegård Robertz committed
413
    env.println("int labcomm"+env.verStr+"_encoder_register_" + 
Anders Nilsson's avatar
Anders Nilsson committed
414
415
		env.prefix + getName() + "(");
    env.indent();
Sven Gestegård Robertz's avatar
Sven Gestegård Robertz committed
416
    env.println("struct labcomm"+env.verStr+"_encoder *e);");
Anders Nilsson's avatar
Anders Nilsson committed
417
418
    env.unindent();

Sven Gestegård Robertz's avatar
Sven Gestegård Robertz committed
419
    env.println("int labcomm"+env.verStr+"_encode_" + env.prefix + getName() + "(");
Anders Nilsson's avatar
Anders Nilsson committed
420
    env.indent();
421
422
423
424
    env.println("struct labcomm"+env.verStr+"_encoder *e");
    if(!isVoid() ) {
        env.println(", "+env.prefix + getName() + " *v");
    }
Anders Nilsson's avatar
Anders Nilsson committed
425
426
    env.unindent();
    env.println(");");
427

Sven Gestegård Robertz's avatar
Sven Gestegård Robertz committed
428
    env.println("int labcomm"+env.verStr+"_encoder_ioctl_" + env.prefix + getName() + "(");
429
    env.indent();
Sven Gestegård Robertz's avatar
Sven Gestegård Robertz committed
430
    env.println("struct labcomm"+env.verStr+"_encoder *e,");
431
432
433
434
    env.println("int ioctl_action,");
    env.println("...");
    env.unindent();
    env.println(");");
Anders Nilsson's avatar
Anders Nilsson committed
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
  }

}

aspect C_Limit {

  public String Exp.C_getLimit(C_env env, int i) {
    throw new Error(this.getClass().getName() + 
		    ".C_emitDecoderLimit(C_env env, int i)" + 
		    " not declared");
  }

  public String IntegerLiteral.C_getLimit(C_env env, int i) {
    return getValue();
  }

  public String VariableSize.C_getLimit(C_env env, int i) {
Tommy Olofsson's avatar
Tommy Olofsson committed
452
    return env.qualid + env.memberAccessor() + "n_" + i;
Anders Nilsson's avatar
Anders Nilsson committed
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
  }
  
}

aspect C_Index {

  public void ArrayType.C_emitCalcIndex(C_env env) {
  }

  public void VariableArrayType.C_emitCalcIndex(C_env env) {
    env.print("int i_" + env.depth + " = ");

    String i_prefix = "i_" + env.depth + "_";
    String expr = i_prefix + "0";
    for (int i = 1 ; i < getNumExp() ; i++) {
      expr = "(" + expr + ") * " +
	getExp(i).C_getLimit(env, i) + " + " + 
	i_prefix + i;
    }
    env.println(expr + ";");
  }

}

aspect C_Decoder {

  public void Decl.C_emitDecoder(C_env env) {
    throw new Error(this.getClass().getName() + 
		    ".C_emitDecoder(C_env env)" + 
		    " not declared");
  }

  public void TypeDecl.C_emitDecoder(C_env env) {
  }

  public void SampleDecl.C_emitDecoder(C_env env) {
    env = env.nestStruct("v");
490
    env.println("static void decode_" + env.prefix + getName() + "(");
Anders Nilsson's avatar
Anders Nilsson committed
491
    env.indent();
Sven Gestegård Robertz's avatar
Sven Gestegård Robertz committed
492
    env.println("struct labcomm"+env.verStr+"_reader *r,");
Anders Nilsson's avatar
Anders Nilsson committed
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
    env.println("void (*handle)(");
    env.indent();
    env.println(env.prefix + getName() + " *v,");
    env.println("void *context");
    env.unindent();
    env.println("),");
    env.println("void *context");
    env.unindent();
    env.println(")");
    env.println("{");
    env.indent();
    env.println(env.prefix + getName() + " v;");
    getType().C_emitDecoder(env);
    env.println("handle(&v, context);");
    if (C_isDynamic()) {
      env.println("{");
      env.indent();
      getType().C_emitDecoderDeallocation(env);
      env.unindent();
      env.println("}");
    }
    env.unindent();
    env.println("}");
  }

  public void Type.C_emitDecoder(C_env env) {
    throw new Error(this.getClass().getName() + 
		    ".C_emitDecoder(C_env env)" + 
		    " not declared");
  }

  public void VoidType.C_emitDecoder(C_env env) {
  }

  public void PrimType.C_emitDecoder(C_env env) {
528
529
530
531
532
533
534
535
536
537
    env.print(env.qualid + " = ");
    switch (getToken()) {
      case LABCOMM_SAMPLE: { 
        env.println("labcomm_internal_decoder_index_to_signature(" +
                    "r->decoder, labcomm"+env.verStr+"_read_int(r));");
      } break;
      default: {
        env.println("labcomm"+env.verStr+"_read_" + getName() + "(r);");
      }; break;
    }
Anders Nilsson's avatar
Anders Nilsson committed
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
  }

  public void UserType.C_emitDecoder(C_env env) {
    lookupType(getName()).getType().C_emitDecoder(env);
  }

  public void StructType.C_emitDecoder(C_env env) {
    for (int i = 0 ; i < getNumField() ; i++) {
      getField(i).C_emitDecoder(env);
    }
  }

  public void ArrayType.C_emitDecoder(C_env env) {
    C_emitDecoderDecodeLimit(env);
    C_emitDecoderArrayAllocate(env);
    env.println("{");
    env.indent();
    C_emitLoopVariables(env);
    for (int i = 0 ; i < getNumExp() ; i++) {
      String iterator = "i_" + env.depth + "_" + i;
      env.println("for (" + iterator + " = 0" +
		  " ; " +
		  iterator + " < " + getExp(i).C_getLimit(env, i) +
		  " ; " +
		  iterator + "++) {");
      env.indent();
    }
    C_emitCalcIndex(env);
    getType().C_emitDecoder(C_Nest(env));
    for (int i = getNumExp() - 1 ; i >= 0 ; i--) {
      env.unindent();
      env.println("}");
    }
    env.unindent();
    env.println("}");
  }

  public void Field.C_emitDecoder(C_env env) {
    getType().C_emitDecoder(env.nestStruct("." + getName()));
  }

  public void Exp.C_emitDecoderDecodeLimit(C_env env, int i) {
  }

  public void VariableSize.C_emitDecoderDecodeLimit(C_env env, int i) {
Sven Gestegård Robertz's avatar
Sven Gestegård Robertz committed
583
    env.println(env.qualid + ".n_" + i + " = labcomm"+env.verStr+"_read_packed32(r);");
Anders Nilsson's avatar
Anders Nilsson committed
584
585
586
587
588
589
590
591
592
593
594
595
  }

  public void ArrayType.C_emitDecoderDecodeLimit(C_env env) {
    for (int i = 0 ; i < getNumExp() ; i++) {
      getExp(i).C_emitDecoderDecodeLimit(env, i);
    }
  }

  public void ArrayType.C_emitDecoderArrayAllocate(C_env env) {
  }

  public void VariableArrayType.C_emitDecoderArrayAllocate(C_env env) {
596
    env.print(env.qualid + 
Sven Gestegård Robertz's avatar
Sven Gestegård Robertz committed
597
              ".a = labcomm"+env.verStr+"_memory_alloc(r->memory, 1, sizeof(" + 
598
	      env.qualid + ".a[0])");
Anders Nilsson's avatar
Anders Nilsson committed
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
    for (int i = 0 ; i < getNumExp() ; i++) {
      env.print(" * " + getExp(i).C_getLimit(env, i));
    }
    env.println(");");
  }

  // Code for deallocation of dynamically allocated data 

  public void Type.C_emitDecoderDeallocation(C_env env) {
    throw new Error(this.getClass().getName() + 
		    ".C_emitDecoderDeallocation(C_env env)" + 
		    " not declared");
  }

  public void PrimType.C_emitDecoderDeallocation(C_env env) {
    if (C_isDynamic()) {
Sven Gestegård Robertz's avatar
Sven Gestegård Robertz committed
615
      env.println("labcomm"+env.verStr+"_memory_free(r->memory, 1, " + 
616
                  env.qualid + ");");
Anders Nilsson's avatar
Anders Nilsson committed
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
    }
  }

  public void UserType.C_emitDecoderDeallocation(C_env env) {
    if (C_isDynamic()) {
      lookupType(getName()).getType().C_emitDecoderDeallocation(env);
    }
  }

  public void StructType.C_emitDecoderDeallocation(C_env env) {
    if (C_isDynamic()) {
      for (int i = 0 ; i < getNumField() ; i++) {
	getField(i).C_emitDecoderDeallocation(env);
      }
    }
  }

  public void ArrayType.C_emitDecoderDeallocation(C_env env) {
    if (getType().C_isDynamic()) {
      env.println("{");
      env.indent();
      C_emitLoopVariables(env);
      for (int i = 0 ; i < getNumExp() ; i++) {
	String iterator = "i_" + env.depth + "_" + i;
	env.println("for (" + iterator + " = 0" +
		    " ; " +
		    iterator + " < " + getExp(i).C_getLimit(env, i) +
		    " ; " +
		    iterator + "++) {");
	env.indent();
      }
      C_emitCalcIndex(env);
      getType().C_emitDecoderDeallocation(C_Nest(env));
      for (int i = 0 ; i < getNumExp() ; i++) {
	env.unindent();
	env.println("}");
      }
      env.unindent();
      env.println("}");
    }
  }

  public void VariableArrayType.C_emitDecoderDeallocation(C_env env) {
    super.C_emitDecoderDeallocation(env);
Sven Gestegård Robertz's avatar
Sven Gestegård Robertz committed
661
    env.println("labcomm"+env.verStr+"_memory_free(r->memory, 1, " + 
662
                env.qualid + ".a);");
Anders Nilsson's avatar
Anders Nilsson committed
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
  }

  public void Field.C_emitDecoderDeallocation(C_env env) {
    getType().C_emitDecoderDeallocation(env.nestStruct("." + getName()));
  }

  public void Decl.C_emitDecoderRegisterHandler(C_env env) {
    throw new Error(this.getClass().getName() + 
		    ".C_emitDecoderRegisterHandler(C_env env)" + 
		    " not declared");
  }

  public void TypeDecl.C_emitDecoderRegisterHandler(C_env env) {
  }

  public void SampleDecl.C_emitDecoderRegisterHandler(C_env env) {
Sven Gestegård Robertz's avatar
Sven Gestegård Robertz committed
679
    env.println("int labcomm"+env.verStr+"_decoder_register_" + 
Anders Nilsson's avatar
Anders Nilsson committed
680
681
		env.prefix + getName() + "(");
    env.indent();
Sven Gestegård Robertz's avatar
Sven Gestegård Robertz committed
682
    env.println("struct labcomm"+env.verStr+"_decoder *d,");
Anders Nilsson's avatar
Anders Nilsson committed
683
684
685
686
687
688
689
690
691
692
693
    env.println("void (*handler)(");
    env.indent();
    env.println(env.prefix + getName() + " *v,");
    env.println("void *context");
    env.unindent();
    env.println("),");
    env.println("void *context");
    env.unindent();
    env.println(")");
    env.println("{");
    env.indent();
Sven Gestegård Robertz's avatar
Sven Gestegård Robertz committed
694
    env.println("return labcomm"+env.verStr+"_internal_decoder_register(");
Anders Nilsson's avatar
Anders Nilsson committed
695
696
    env.indent();
    env.println("d,");
697
    env.println("&signature_" + env.prefix + getName() + ",");
Sven Gestegård Robertz's avatar
Sven Gestegård Robertz committed
698
699
    env.println("(labcomm"+env.verStr+"_decoder_function)decode_" + env.prefix + getName() + ",");
    env.println("(labcomm"+env.verStr+"_handler_function)handler,");
Anders Nilsson's avatar
Anders Nilsson committed
700
701
702
703
704
705
706
707
708
    env.println("context");
    env.unindent();
    env.println(");");
    env.unindent();
    env.println("}");
  }

}

709
710
aspect C_copy {

Tommy Olofsson's avatar
Tommy Olofsson committed
711
  private void SampleDecl.C_emitCopyFunctionParam(C_env env, String src,
Tommy Olofsson's avatar
Tommy Olofsson committed
712
713
						  String dst)
  {
Tommy Olofsson's avatar
Tommy Olofsson committed
714
715
716
717
718
719
720
721
    env.println("void labcomm" + env.verStr + "_copy_" +
                env.prefix + getName() + "(");
    env.indent();
    env.println("struct labcomm" + env.verStr + "_memory *mem,");
    env.println(env.prefix + getName() + " *" + dst + ",");
    env.println(env.prefix + getName() + " *" + src);
    env.unindent();
    env.print(")");
Tommy Olofsson's avatar
Tommy Olofsson committed
722
723
724
725
726
727
728
729
730
731
  }

  public void Decl.C_emitCopyDeclaration(C_env env) {
  }

  public void SampleDecl.C_emitCopyDeclaration(C_env env) {
    C_emitCopyFunctionParam(env, "src", "dst");
    env.println(";");
  }

732
733
734
735
736
737
738
739
740
741
742
743
744
745
  public void Decl.C_emitCopy(C_env env) {
    throw new Error(this.getClass().getName() + 
		    ".C_emitCopy(C_env env)" + 
		    " not declared");
  }

  public void TypeDecl.C_emitCopy(C_env env) {
  }

  public void SampleDecl.C_emitCopy(C_env env) {
    final String dst = "dst";
    final String src = "src";
    C_env env_src = env.nestStruct(src).setPointer();
    C_env env_dst = env.nestStruct(dst).setPointer();
Tommy Olofsson's avatar
Tommy Olofsson committed
746
747
748

    C_emitCopyFunctionParam(env_src, src, dst);
    env_src.println("");
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
    env_src.println("{");
    env_src.indent();
    getType().C_emitCopy(env_src, env_dst);
    env_src.unindent();
    env_src.println("}");
  }

  public void Type.C_emitCopy(C_env env_src, C_env env_dst) {
    throw new Error(this.getClass().getName() + 
		    ".C_emitCopy(C_env env)" + 
		    " not declared");
  }

  public void VoidType.C_emitCopy(C_env env_src, C_env env_dst) {
  }

  public void PrimType.C_emitCopy(C_env env_src, C_env env_dst) {
766
767
    if (C_isDynamic()) {
      env_src.println(String.format(
Tommy Olofsson's avatar
Tommy Olofsson committed
768
	  "%s%s = labcomm%s_memory_alloc(mem, 1, strlen(%s%s)+1);",
769
	  env_dst.accessor(), env_dst.qualid,
Tommy Olofsson's avatar
Tommy Olofsson committed
770
          env_src.verStr,
771
772
773
774
775
776
777
778
779
780
	  env_src.accessor(), env_src.qualid));
      env_src.println(String.format(
	  "memcpy(%s%s, %s%s, strlen(%s%s)+1);",
	  env_dst.accessor(), env_dst.qualid,
	  env_src.accessor(), env_src.qualid,
	  env_src.accessor(), env_src.qualid));
    } else {
      env_src.println(env_dst.accessor() + env_dst.qualid + " = " +
		      env_src.accessor() + env_src.qualid + ";");
    }
781
782
783
784
785
786
787
788
789
790
791
792
793
  }

  public void UserType.C_emitCopy(C_env env_src, C_env env_dst) {
    lookupType(getName()).getType().C_emitCopy(env_src, env_dst);
  }

  public void StructType.C_emitCopy(C_env env_src, C_env env_dst) {
    for (int i = 0 ; i < getNumField() ; i++) {
      getField(i).C_emitCopy(env_src, env_dst);
    }
  }

  public void ArrayType.C_emitCopy(C_env env_src, C_env env_dst) {
Tommy Olofsson's avatar
Tommy Olofsson committed
794
    C_emitCopyDecodeLimit(env_src, env_dst);
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
    C_emitCopyArrayAllocate(env_src, env_dst);
    env_src.println("{");
    env_src.indent();
    C_emitLoopVariables(env_src);
    for (int i = 0 ; i < getNumExp() ; i++) {
      String iterator = "i_" + env_src.depth + "_" + i;
      env_src.println("for (" + iterator + " = 0" +
		  " ; " +
		  iterator + " < " + getExp(i).C_getLimit(env_src, i) +
		  " ; " +
		  iterator + "++) {");
      env_src.indent();
    }
    C_emitCalcIndex(env_src);
    getType().C_emitCopy(C_Nest(env_src), C_Nest(env_dst));
    for (int i = getNumExp() - 1 ; i >= 0 ; i--) {
      env_src.unindent();
      env_src.println("}");
    }
    env_src.unindent();
    env_src.println("}");
  }

  public void Field.C_emitCopy(C_env env_src, C_env env_dst) {
Tommy Olofsson's avatar
Tommy Olofsson committed
819
    String fnam = env_src.memberAccessor() + getName();
820
821
822
    getType().C_emitCopy(env_src.nestStruct(fnam), env_dst.nestStruct(fnam));
  }

Tommy Olofsson's avatar
Tommy Olofsson committed
823
824
  public void Exp.C_emitCopyDecodeLimit(C_env env_src, C_env env_dst, int i) {
    // Ordinary array has no length-member.
825
826
  }

Tommy Olofsson's avatar
Tommy Olofsson committed
827
828
829
830
  public void VariableSize.C_emitCopyDecodeLimit(C_env env_src, C_env env_dst, int i) {
    String src = env_src.qualid + env_src.memberAccessor() + "n_" + i;
    String dst = env_dst.qualid + env_dst.memberAccessor() + "n_" + i;
    env_src.println(dst + " = " + src + ";");
831
832
  }

Tommy Olofsson's avatar
Tommy Olofsson committed
833
  public void ArrayType.C_emitCopyDecodeLimit(C_env env_src, C_env env_dst) {
834
    for (int i = 0 ; i < getNumExp() ; i++) {
Tommy Olofsson's avatar
Tommy Olofsson committed
835
      getExp(i).C_emitCopyDecodeLimit(env_src, env_dst, i);
836
837
838
839
840
841
842
843
844
    }
  }

  public void ArrayType.C_emitCopyArrayAllocate(C_env env_src, C_env env_dst) {
  }

  public void VariableArrayType.C_emitCopyArrayAllocate(C_env env_src,
							C_env env_dst)
  {
Tommy Olofsson's avatar
Tommy Olofsson committed
845
    env_src.print(env_dst.qualid + env_dst.memberAccessor() +
Tommy Olofsson's avatar
Tommy Olofsson committed
846
847
                  "a = labcomm" + env_src.verStr +
                  "_memory_alloc(mem, 1, sizeof(" +
Tommy Olofsson's avatar
Tommy Olofsson committed
848
		  env_src.qualid + env_src.memberAccessor() + "a[0])");
849
850
851
852
853
854
    for (int i = 0 ; i < getNumExp() ; i++) {
      env_src.print(" * " + getExp(i).C_getLimit(env_src, i));
    }
    env_dst.println(");");
  }

855
856
857
858
859
  // Code for deallocation of dynamically allocated data in a copy.

  private void SampleDecl.C_emitCopyDeallocationFunctionParam(C_env env,
							      String par)
  {
Tommy Olofsson's avatar
Tommy Olofsson committed
860
861
    env.println("void labcomm" + env.verStr + "_copy_free_" +
                env.prefix + getName() + "(");
862
    env.indent();
Tommy Olofsson's avatar
Tommy Olofsson committed
863
    env.println("struct labcomm" + env.verStr + "_memory *mem,");
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
    env.println(env.prefix + getName() + " *" + par);
    env.unindent();
    env.print(")");
  }

  public void Decl.C_emitCopyDeallocationDeclaration(C_env env) {
  }

  public void SampleDecl.C_emitCopyDeallocationDeclaration(C_env env) {
    C_emitCopyDeallocationFunctionParam(env, "c");
    env.println(";");
  }

  public void Decl.C_emitCopyDeallocation(C_env env) {
    throw new Error(this.getClass().getName() +
		    ".C_emitCopy(C_env env)" +
		    " not declared");
  }

  public void TypeDecl.C_emitCopyDeallocation(C_env env) {
  }

  public void SampleDecl.C_emitCopyDeallocation(C_env env) {
    String par = "par";
    env = env.nestStruct(par).setPointer();

    C_emitCopyDeallocationFunctionParam(env, par);
    env.println("");
    env.println("{");
    env.indent();
    getType().C_emitCopyDeallocation(env);
    env.unindent();
    env.println("}");
  }
898
899

  public void Type.C_emitCopyDeallocation(C_env env) {
900
901
    throw new Error(this.getClass().getName() +
  		    ".C_emitCopyDeallocation(C_env env)" +
902
903
904
  		    " not declared");
  }

905
906
907
  public void VoidType.C_emitCopyDeallocation(C_env env) {
  }

908
909
  public void PrimType.C_emitCopyDeallocation(C_env env) {
    if (C_isDynamic()) {
Tommy Olofsson's avatar
Tommy Olofsson committed
910
      env.println("labcomm" + env.verStr + "_memory_free(mem, 1, " +
911
                  env.accessor() + env.qualid + ");");
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
    }
  }

  public void UserType.C_emitCopyDeallocation(C_env env) {
    if (C_isDynamic()) {
      lookupType(getName()).getType().C_emitCopyDeallocation(env);
    }
  }

  public void StructType.C_emitCopyDeallocation(C_env env) {
    if (C_isDynamic()) {
      for (int i = 0 ; i < getNumField() ; i++) {
  	getField(i).C_emitCopyDeallocation(env);
      }
    }
  }

  public void ArrayType.C_emitCopyDeallocation(C_env env) {
    if (getType().C_isDynamic()) {
      env.println("{");
      env.indent();
      C_emitLoopVariables(env);
      for (int i = 0 ; i < getNumExp() ; i++) {
  	String iterator = "i_" + env.depth + "_" + i;
  	env.println("for (" + iterator + " = 0" +
  		    " ; " +
  		    iterator + " < " + getExp(i).C_getLimit(env, i) +
  		    " ; " +
  		    iterator + "++) {");
  	env.indent();
      }
      C_emitCalcIndex(env);
      getType().C_emitCopyDeallocation(C_Nest(env));
      for (int i = 0 ; i < getNumExp() ; i++) {
  	env.unindent();
  	env.println("}");
      }
      env.unindent();
      env.println("}");
    }
  }

  public void VariableArrayType.C_emitCopyDeallocation(C_env env) {
    super.C_emitCopyDeallocation(env);
Tommy Olofsson's avatar
Tommy Olofsson committed
956
    env.println("labcomm" + env.verStr + "_memory_free(mem, 1, " +
957
                env.qualid + env.memberAccessor() + "a);");
958
959
960
  }

  public void Field.C_emitCopyDeallocation(C_env env) {
961
962
    getType().C_emitCopyDeallocation(env.nestStruct(env.memberAccessor()
						    + getName()));
963
964
965
  }
}

966
967
968
969
970
971
972
973
974
975
976
977
aspect C_DecoderIoctl {

  public void Decl.C_emitDecoderIoctl(C_env env) {
    throw new Error(this.getClass().getName() + 
		    ".C_emitDecoderIoctl(C_env env)" + 
		    " not declared");
  }

  public void TypeDecl.C_emitDecoderIoctl(C_env env) {
  }

  public void SampleDecl.C_emitDecoderIoctl(C_env env) {
Sven Gestegård Robertz's avatar
Sven Gestegård Robertz committed
978
    env.println("int labcomm"+env.verStr+"_decoder_ioctl_" + env.prefix + getName() + "(");
979
    env.indent();
Sven Gestegård Robertz's avatar
Sven Gestegård Robertz committed
980
    env.println("struct labcomm"+env.verStr+"_decoder *d,");
981
982
983
984
985
986
987
988
989
    env.println("int ioctl_action,");
    env.println("...");
    env.unindent();
    env.println(")");
    env.println("{");
    env.indent();
    env.println("int result;");
    env.println("va_list va;");
    env.println("va_start(va, ioctl_action);");
Sven Gestegård Robertz's avatar
Sven Gestegård Robertz committed
990
    env.println("result = labcomm"+env.verStr+"_internal_decoder_ioctl(");
991
    env.indent();
992
    env.println("d, &signature_" + env.prefix + getName() + ", ");
993
    env.println("ioctl_action, va);");
994
995
996
997
998
999
1000
1001
    env.unindent();
    env.println("va_end(va);");
    env.println("return result;");
    env.unindent();
    env.println("}");
  }
}

Anders Nilsson's avatar
Anders Nilsson committed
1002
1003
1004
1005

aspect C_Encoder {

  public void Decl.C_emitEncoder(C_env env) {
1006
1007
1008
    throw new Error(this.getClass().getName() + 
        ".C_emitEncoder()" + 
        " not declared");
Anders Nilsson's avatar
Anders Nilsson committed
1009
1010
  }

1011
1012
1013
  public void TypeDecl.C_emitEncoder(C_env env) {
    // do nothing for type decls
  }
Anders Nilsson's avatar
Anders Nilsson committed
1014
1015
1016

  public void SampleDecl.C_emitEncoder(C_env env) {
    env = env.nestStruct("(*v)");
1017
    env.println("static int encode_" + env.prefix + getName() + "(");
Anders Nilsson's avatar
Anders Nilsson committed
1018
    env.indent();
1019
1020
1021
1022
    env.println("struct labcomm"+env.verStr+"_writer *w");
    if(!isVoid() ) {
        env.println(", "+env.prefix + getName() + " *v");
    }
Anders Nilsson's avatar
Anders Nilsson committed
1023
1024
1025
1026
    env.unindent();
    env.println(")");
    env.println("{");
    env.indent();
1027
    env.println("int result = 0;");
Anders Nilsson's avatar
Anders Nilsson committed
1028
    getType().C_emitEncoder(env);
1029
    env.println("return result;");
Anders Nilsson's avatar
Anders Nilsson committed
1030
1031
1032
1033
    env.unindent();
    env.println("}");

    // Typesafe encode wrapper
Sven Gestegård Robertz's avatar
Sven Gestegård Robertz committed
1034
    env.println("int labcomm"+env.verStr+"_encode_" + env.prefix + getName() + "(");
1035
1036
1037
1038
    env.println("struct labcomm"+env.verStr+"_encoder *e");
    if(!isVoid() ) {
        env.println(", "+env.prefix + getName() + " *v");
    }
Anders Nilsson's avatar
Anders Nilsson committed
1039
1040
1041
1042
    env.unindent();
    env.println(")");
    env.println("{");
    env.indent();
1043
    env.println("return labcomm"+env.verStr+"_internal_encode(e, &signature_" + 
1044
		env.prefix + getName() + 
1045
1046
1047
		", (labcomm"+env.verStr+"_encoder_function)encode_" + 
                env.prefix + getName() +
		(!isVoid()?", v":", NULL")+");");
Anders Nilsson's avatar
Anders Nilsson committed
1048
1049
1050
1051
1052
1053
1054
1055
1056
1057
1058
    env.unindent();
    env.println("}");
  }

  public void Type.C_emitEncoder(C_env env) {
    throw new Error(this.getClass().getName() + 
		    ".C_emitEncoder(C_env env)" + 
		    " not declared");
  }

  public void VoidType.C_emitEncoder(C_env env) {
1059
    env.println("result = 0;");
Anders Nilsson's avatar
Anders Nilsson committed
1060
1061
1062
  }

  public void PrimType.C_emitEncoder(C_env env) {
1063
1064
1065
1066
1067
1068
1069
1070
1071
1072
1073
1074
    env.print("result = ");
    switch (getToken()) {
      case LABCOMM_SAMPLE: { 
        env.println("labcomm"+env.verStr+"_write_int(w, " + 
                    "labcomm_internal_encoder_signature_to_index(w->encoder, " +
                    env.qualid + "));");
      } break;
      default: {
        env.println("labcomm"+env.verStr+"_write_" + getName() + 
                    "(w, " + env.qualid + ");");
      } break;
    }
1075
    env.println("if (result != 0) { return result; }");
Anders Nilsson's avatar
Anders Nilsson committed
1076
1077
1078
  }

  public void UserType.C_emitEncoder(C_env env) {
1079
    decl().getType().C_emitEncoder(env);
Anders Nilsson's avatar
Anders Nilsson committed
1080
1081
1082
1083
1084
1085
1086
1087
1088
1089
1090
1091
1092
1093
1094
1095
1096
1097
1098
1099
1100
1101
1102
1103
1104
1105
1106
1107
1108
1109
1110
1111
1112
1113
1114
1115
1116
1117
1118
1119
  }

  public void StructType.C_emitEncoder(C_env env) {
    for (int i = 0 ; i < getNumField() ; i++) {
      getField(i).C_emitEncoder(env);
    }
  }

  public void ArrayType.C_emitEncoder(C_env env) {
    C_emitEncoderEncodeLimit(env);
    env.println("{");
    env.indent();
    C_emitLoopVariables(env);
    for (int i = 0 ; i < getNumExp() ; i++) {
      String iterator = "i_" + env.depth + "_" + i;
      env.println("for (" + iterator + " = 0" +
		  " ; " +
		  iterator + " < " + getExp(i).C_getLimit(env, i) +
		  " ; " +
		  iterator + "++) {");
      env.indent();
    }
    C_emitCalcIndex(env);
    getType().C_emitEncoder(C_Nest(env));
    for (int i = getNumExp() - 1 ; i >= 0 ; i--) {
      env.unindent();
      env.println("}");
    }
    env.unindent();
    env.println("}");
  }

  public void Field.C_emitEncoder(C_env env) {
    getType().C_emitEncoder(env.nestStruct("." + getName()));
  }

  public void Exp.C_emitEncoderEncodeLimit(C_env env, int i) {
  }

  public void VariableSize.C_emitEncoderEncodeLimit(C_env env, int i) {
Sven Gestegård Robertz's avatar
Sven Gestegård Robertz committed
1120
    env.println("labcomm"+env.verStr+"_write_packed32(w, " + env.qualid + ".n_" + i + ");");
Anders Nilsson's avatar
Anders Nilsson committed
1121
1122
1123
1124
1125
1126
1127
1128
1129
  }

  public void ArrayType.C_emitEncoderEncodeLimit(C_env env) {
    for (int i = 0 ; i < getNumExp() ; i++) {
      getExp(i).C_emitEncoderEncodeLimit(env, i);
    }
  }

  public void Decl.C_emitEncoderRegisterHandler(C_env env) {
1130
1131
1132
1133
1134
1135
1136
1137
1138
    throw new Error(this.getClass().getName() + 
  		    ".C_emitEncoderRegisterHandler(C_env env)" + 
  		    " not declared");
  }
  
  public void TypeDecl.C_emitEncoderRegisterHandler(C_env env) {
    // do nothing for type decls
  }
  
Anders Nilsson's avatar
Anders Nilsson committed
1139
  public void SampleDecl.C_emitEncoderRegisterHandler(C_env env) {
Sven Gestegård Robertz's avatar
Sven Gestegård Robertz committed
1140
    env.println("int labcomm"+env.verStr+"_encoder_register_" + 
Anders Nilsson's avatar
Anders Nilsson committed
1141
1142
		env.prefix + getName() + "(");
    env.indent();
Sven Gestegård Robertz's avatar
Sven Gestegård Robertz committed
1143
    env.println("struct labcomm"+env.verStr+"_encoder *e");
Anders Nilsson's avatar
Anders Nilsson committed
1144
1145
1146
1147
    env.unindent();
    env.println(")");
    env.println("{");
    env.indent();
Sven Gestegård Robertz's avatar
Sven Gestegård Robertz committed
1148
    env.println("return labcomm"+env.verStr+"_internal_encoder_register(");
Anders Nilsson's avatar
Anders Nilsson committed
1149
1150
    env.indent();
    env.println("e,");
1151
    env.println("&signature_" + env.prefix + getName() + ",");
Sven Gestegård Robertz's avatar
Sven Gestegård Robertz committed
1152
    env.println("(labcomm"+env.verStr+"_encoder_function)encode_" + env.prefix + getName());
Anders Nilsson's avatar
Anders Nilsson committed
1153
1154
1155
1156
1157
    env.unindent();
    env.println(");");
    env.unindent();
    env.println("}");
  }
1158
1159
1160
1161
1162
1163
1164
1165
1166
1167
1168
1169
1170
1171
1172

}

aspect C_EncoderIoctl {

  public void Decl.C_emitEncoderIoctl(C_env env) {
    throw new Error(this.getClass().getName() + 
		    ".C_emitEncoderIoctl()" + 
		    " not declared");
  }

  public void TypeDecl.C_emitEncoderIoctl(C_env env) {
  }

  public void SampleDecl.C_emitEncoderIoctl(C_env env) {
Sven Gestegård Robertz's avatar
Sven Gestegård Robertz committed
1173
    env.println("int labcomm"+env.verStr+"_encoder_ioctl_" + env.prefix + getName() + "(");
1174
    env.indent();
Sven Gestegård Robertz's avatar
Sven Gestegård Robertz committed
1175
    env.println("struct labcomm"+env.verStr+"_encoder *e,");
1176
1177
1178
1179
1180
1181
1182
1183
1184
    env.println("int ioctl_action,");
    env.println("...");
    env.unindent();
    env.println(")");
    env.println("{");
    env.indent();
    env.println("int result;");
    env.println("va_list va;");
    env.println("va_start(va, ioctl_action);");
Sven Gestegård Robertz's avatar
Sven Gestegård Robertz committed
1185
    env.println("result = labcomm"+env.verStr+"_internal_encoder_ioctl(");
1186
    env.indent();
1187
    env.println("e, &signature_" + env.prefix + getName() + ", ");
1188
    env.println("ioctl_action, va);");
1189
1190
1191
1192
1193
1194
    env.unindent();
    env.println("va_end(va);");
    env.println("return result;");
    env.unindent();
    env.println("}");
  }
Anders Nilsson's avatar
Anders Nilsson committed
1195
1196
1197
1198
1199

}

aspect C_Signature {

1200
  public void ASTNode.C_emitSignature(C_env env) {
Anders Nilsson's avatar
Anders Nilsson committed
1201
    throw new Error(this.getClass().getName() + 
1202
		    ".C_emitSignature(C_env env)" + 
Anders Nilsson's avatar
Anders Nilsson committed
1203
1204
1205
		    " not declared");
  }

1206
1207
1208
1209
  syn String Decl.C_DeclTypeString();
  eq SampleDecl.C_DeclTypeString() = "LABCOMM_SAMPLE";
  eq TypeDecl.C_DeclTypeString() = "LABCOMM_TYPEDEF";

1210
  public void Decl.C_emitSignature(C_env env) {
1211
    C_emitFlatSignature(env);
1212
1213
1214
1215
1216
1217
1218
1219
1220
1221
1222
1223
1224
1225
1226
1227
1228
1229
1230
//
//  if( false && (isReferenced() || isSampleDecl())){ 
//    Signature signature = getSignature();
//    signature.C_emitSignature(env, !isSampleDecl());
//  } else {
//    env.println("// not emitting signature for "+getName()+isReferenced()+isSampleDecl());  
//  }
//  if(env.versionHasMetaData()) { 
//    if(isReferenced() || isSampleDecl()){
//        env.println("(int (*)(void *))labcomm"+env.verStr+"_signature_" + 
//	 	env.prefix + getName() + "_emit_signature");
//    } else {
//        env.println("NULL");  // HERE BE DRAGONS! Is it worth the size saving to skip emitting the emit_signature function for unused types?
//                              //                  The code won't likely end up in a target system anyway?
//    }
//  }
//  env.unindent();
//  env.println(" };");
//
1231
1232
1233
1234
1235
1236
1237
1238
1239
  }

  public void ASTNode.C_emitFlatSignature(C_env env) {
    throw new Error(this.getClass().getName() + 
                    ".C_emitFlatSignature(C_env env)" + 
                    " not declared");
  }

  public void Decl.C_emitFlatSignature(C_env env) {
Anders Nilsson's avatar
Anders Nilsson committed
1240
1241
  }

1242
  public void SampleDecl.C_emitFlatSignature(C_env env){
Anders Nilsson's avatar
Anders Nilsson committed
1243
    env.println("static unsigned char signature_bytes_" + 
1244
1245
  	        env.prefix + getName() + "[] = {");
    SignatureList signature = flatSignature(env.version);
Anders Nilsson's avatar
Anders Nilsson committed
1246
1247
1248
1249
1250
    for (int i = 0 ; i < signature.size() ; i++) {
      String comment = signature.getComment(i);
      if (comment != null) {
        env.println(signature.getIndent(i) + "// " + comment);
      }
1251
      byte[] data = signature.getData(i, env.version);
Anders Nilsson's avatar
Anders Nilsson committed
1252
1253
1254
1255
1256
1257
1258
1259
1260
      if (data != null) {
        env.print(signature.getIndent(i));
        for (int j = 0 ; j < data.length ; j++) {
          env.print(data[j] + ", ");
        }
        env.println("");
      }
    }
    env.println("};");
1261

1262
    C_emitSizeofValue(env);
1263
1264
    env.println("static struct labcomm"+env.verStr+"_signature " +
                "signature_" + env.prefix + getName() + " = {");
1265
    env.indent();
1266
1267
    env.println("\"" + getName() + "\",");
    env.println("sizeof_" + env.prefix + getName() + ",");
1268
1269
1270
1271
1272
    env.println("sizeof(signature_bytes_" + env.prefix + getName() + "),");
    env.println("signature_bytes_" + env.prefix + getName() + ",");
    env.println("0");
    env.unindent();
    env.println(" };");
1273
1274
1275
    env.println("const struct labcomm"+env.verStr+"_signature " +
                "*labcomm"+env.verStr+"_signature_" + env.prefix + getName() + 
                " = &signature_" + env.prefix + getName() + ";");
Anders Nilsson's avatar
Anders Nilsson committed
1276
1277
  }

1278
1279
1280
1281
1282
1283
1284
1285
1286
1287
1288
1289
1290
1291
1292
1293
1294
1295
1296
1297
1298
1299
1300
1301
1302
1303
1304
1305
1306
1307
    public void Signature.C_emitSignature(C_env env, boolean decl){
      getSignatureList().C_emitSignature(env, decl);
    }

    public abstract void SignatureLine.C_emitSignature(C_env env, boolean decl);

    public void TypeRefSignatureLine.C_emitSignature(C_env env, boolean isDecl){ 
      //env.print(getIndentString());
      //env.println("LABCOMM_SIGDEF_SIGNATURE(labcomm"+env.verStr+"_signature_" + env.prefix + decl.getName() +"),");
    }

    public void DataSignatureLine.C_emitSignature(C_env env, boolean decl){ 
       //   String comment = getComment();
       //   if (comment != null && comment.length() > 0) {
       //     env.println(getIndentString() + "// " + comment);
       //   }
       //   byte[] data = getData(env.version);
       //   if (data != null && data.length > 0) {
       //     env.print(getIndentString());
       //     env.print("LABCOMM_SIGDEF_BYTES("+data.length+", \"");
       //     for (int j = 0 ; j < data.length ; j++) {
       //       byte d = data[j];
       //       //if(d>='a'&&d<='z' || d>='A'&&d<='Z'|| d>='0'&&d<='9'  )
       //       //  env.print(""+(char)d);
       //       //else
       //       env.print("\\x"+Integer.toHexString(d));
       //     }
       //     env.println("\"),");
       // }
    }
1308
1309
1310
1311
1312
1313
1314
1315
1316
1317
1318
1319
1320
1321
//
//
//      byte[] data = getData(env.version);
//        if (data != null) {
//            for (int j = 0 ; j < data.length ; j++) {
//                env.print(getIndentString());
//                //env.print("printf(\"labcomm"+env.verStr+"_write_byte( w, (unsigned char)"+ String.format("0x%02X ", data[j]) +")\\n\"); ");
//                env.print("labcomm"+env.verStr+"_write_byte( w, (unsigned char)"+ String.format("0x%02X ", data[j]) +"); ");
//                env.println("if (result != 0) { return result; }");
//            }
//            env.println();
//        }
//
//}
1322
  public void SignatureList.C_emitSignature(C_env env, boolean decl) { 
1323
1324
1325
1326
1327
1328
1329
1330
1331
1332
1333
1334
//  env.println("static struct labcomm_signature_data signature_tree_" + 
//  	 env.prefix + parentDecl().getName() + "[] = {");
//  env.indent();
//  for (int i = 0 ; i < size() ; i++) {
//    SignatureLine l = getSignatureLine(i);
//    l.C_emitSignature(env, decl);
//  }
//  
//  env.println("LABCOMM_SIGDEF_END");
//  env.println("};");
//  env.unindent();
//  env.println();
1335
1336
1337
1338
1339
1340
1341
1342
1343
1344
1345
1346
1347
1348
1349
1350
1351
1352
1353
1354
1355
1356
1357
1358
1359
1360
1361
1362
1363
1364
1365
1366
1367
1368
1369
1370
1371
1372
  }



//  public void SampleDecl.C_emitSignature(C_env env) {
//    env.println("static unsigned char signature_bytes_" + 
//		       env.prefix + getName() + "[] = {");
//    SignatureList signature = signature(env.version);
//    for (int i = 0 ; i < signature.size() ; i++) {
//      String comment = signature.getComment(i);
//      if (comment != null) {
//        env.println(signature.getIndent(i) + "// " + comment);
//      }
//      byte[] data = signature.getData(i);
//      if (data != null) {
//        env.print(signature.getIndent(i));
//        for (int j = 0 ; j < data.length ; j++) {
//          env.print(data[j] + ", ");
//        }
//        env.println("");
//      }
//    }
//    env.println("};");
//    env.println("struct labcomm"+env.verStr+"_signature labcomm"+env.verStr+"_signature_" + 
//		env.prefix + getName() + " = {");
//    env.indent();
//    env.println("LABCOMM_SAMPLE, \"" + getName() + "\",");
//    env.println("(int (*)(struct labcomm"+env.verStr+"_signature *, void *))labcomm"+env.verStr+"_sizeof_" + 
//		env.prefix + getName() + ",");
//    env.println("sizeof(signature_bytes_" + env.prefix + getName() + "),");
//    env.println("signature_bytes_" + env.prefix + getName() + ",");
//    env.println("0");
//    env.unindent();
//    env.println(" };");
//  }

}
aspect C_Constructor {
1373
  public void ASTNode.C_emitConstructor(C_env env) {
Anders Nilsson's avatar
Anders Nilsson committed
1374
    throw new Error(this.getClass().getName() + 
1375
		    ".C_emitConstructor(C_env env)" + 
Anders Nilsson's avatar
Anders Nilsson committed
1376
1377
1378
		    " not declared");
  }

1379
1380
1381
1382
  public void Program.C_emitConstructor(C_env env) {
    env.println("LABCOMM_CONSTRUCTOR void init_" +
		env.prefix + "_signatures(void)");
    env.println("{");
1383
    env.indent();
1384
1385
1386
1387
1388
1389
1390
    env.println("static int initialized = 0;");
    env.println("if (initialized == 0) {");
    env.indent();
    env.println("initialized = 1;");
    for (int i = 0; i < getNumDecl(); i++) {
      getDecl(i).C_emitConstructor(env);
    }
1391
    env.unindent();
1392
1393
1394
1395
1396
1397
1398
    env.println("}"); 
    env.unindent();
    env.println("}"); 
  }

  public void Decl.C_emitConstructor(C_env env) {
  }
1399
//XXX
1400
  public void SampleDecl.C_emitConstructor(C_env env) {
1401
    env.println("labcomm"+env.verStr+"_set_local_index(&signature_" + 
1402
		env.prefix + getName() + ");");
Anders Nilsson's avatar
Anders Nilsson committed
1403
1404
1405
  }


Anders Blomdell's avatar
Anders Blomdell committed
1406
1407
1408
1409
1410
1411
1412
  public void ASTNode.C_emitConstructorDeclaration(C_env env) {
    throw new Error(this.getClass().getName() + 
		    ".C_emitConstructorDeclaration(C_env env)" + 
		    " not declared");
  }

  public void Program.C_emitConstructorDeclaration(C_env env) {
1413
    env.println("void init_" + env.prefix + "_signatures(void);");
Anders Blomdell's avatar
Anders Blomdell committed
1414
1415
  }

Anders Nilsson's avatar
Anders Nilsson committed
1416
1417
1418
}

aspect C_Sizeof {
1419
 public void Decl.C_emitSizeofDeclaration(C_env env) {
Anders Nilsson's avatar
Anders Nilsson committed
1420
1421
1422
  }

  public void SampleDecl.C_emitSizeofDeclaration(C_env env) {
Sven Gestegård Robertz's avatar
Sven Gestegård Robertz committed
1423
    env.println("extern int labcomm"+env.verStr+"_sizeof_" + env.prefix + getName() +
1424
        "(" + env.prefix + getName() + " *v);");
Anders Nilsson's avatar
Anders Nilsson committed
1425
1426
1427
1428
1429
1430
  }

  public int Decl.C_fixedSizeof() {
    return getType().C_fixedSizeof();
  }

1431
1432
1433
1434
1435
1436
  public void Decl.C_emitSizeof(C_env env) {
  }

  public void SampleDecl.C_emitSizeof(C_env env) {
    env = env.nestStruct("(*v)");
    env.println("int labcomm"+env.verStr+"_sizeof_" + env.prefix + getName() +
1437
        "(" + env.prefix + getName() + " *v)");
1438
1439
    env.println("{");
    env.indent();
Anders Blomdell's avatar
Anders Blomdell committed
1440
    env.println("return labcomm"+env.verStr+"_internal_sizeof(" +
1441
                "&signature_" + env.prefix + getName() +
1442
1443
1444
1445
1446
                ", v);");
    env.unindent();
    env.println("}");
  }

Anders Nilsson's avatar
Anders Nilsson committed
1447
1448
  public int Type.C_fixedSizeof() {
    throw new Error(this.getClass().getName() + 
1449
1450
            ".C_fixedSizeof()" + 
            " not declared");
Anders Nilsson's avatar
Anders Nilsson committed
1451
1452
1453
1454
1455
1456
1457
1458
1459
1460
1461
1462
1463
1464
1465
  }

  public int VoidType.C_fixedSizeof() {
    return 0;
  }

  public int PrimType.C_fixedSizeof() {
    switch (getToken()) {
      case LABCOMM_BOOLEAN: { return 1; } 
      case LABCOMM_BYTE: { return 1; } 
      case LABCOMM_SHORT: { return 2; } 
      case LABCOMM_INT: { return 4; } 
      case LABCOMM_LONG: { return 8; }
      case LABCOMM_FLOAT: { return 4; }
      case LABCOMM_DOUBLE: { return 8; }
1466
      case LABCOMM_SAMPLE: { return 4; }
Anders Nilsson's avatar
Anders Nilsson committed
1467
      default: { 
1468
1469
1470
    throw new Error(this.getClass().getName() + 
            ".C_fixedSizeof()" + 
            " unknown size (" + getName() + ")"); 
Anders Nilsson's avatar
Anders Nilsson committed
1471
1472
1473
1474
1475
1476
1477
1478
1479
1480
1481
1482
1483
1484
1485
1486
1487
1488
1489
1490
1491
1492
1493
1494
1495
      } 
    }
  }

  public int UserType.C_fixedSizeof() {
    return lookupType(getName()).getType().C_fixedSizeof();
  }

  public int StructType.C_fixedSizeof() {
    int result = 0;
    for (int i = 0 ; i < getNumField() ; i++) {
      result += getField(i).getType().C_fixedSizeof();
    }
    return result;
  }

  public int ArrayType.C_fixedSizeof() {
    int elements = 1;
    for (int i = 0 ; i < getNumExp() ; i++) {
      int n = Integer.parseInt(((IntegerLiteral)getExp(i)).getValue());
      elements = elements * n;
    }
    return getType().C_fixedSizeof() * elements;
  }

1496
  public void Decl.C_emitSizeofValue(C_env env) {
Anders Nilsson's avatar
Anders Nilsson committed
1497
1498
  }

1499
  public void SampleDecl.C_emitSizeofValue(C_env env) {
Anders Nilsson's avatar
Anders Nilsson committed
1500
    env = env.nestStruct("(*v)");
1501
    env.println("static int sizeof_" + env.prefix + getName() + "(void *vv)");
Anders Nilsson's avatar
Anders Nilsson committed
1502
1503
    env.println("{");
    env.indent();
1504
    env.println("int result = 0;");
Anders Nilsson's avatar
Anders Nilsson committed
1505
    if (C_isDynamic()) {
1506
      env.println(env.prefix + getName() + " *v = vv;");
Anders Nilsson's avatar
Anders Nilsson committed
1507
1508
      getType().C_emitSizeof(env);
    } else {
Anders Blomdell's avatar
Anders Blomdell committed
1509
      env.println("result += " + C_fixedSizeof() + ";");
Anders Nilsson's avatar
Anders Nilsson committed
1510
    }    
Anders Blomdell's avatar
Anders Blomdell committed
1511
    env.println("return result;");
Anders Nilsson's avatar
Anders Nilsson committed
1512
1513
1514
1515
1516
1517
    env.unindent();
    env.println("}");
  }

  public void Type.C_emitSizeof(C_env env) {
    throw new Error(this.getClass().getName() + 
1518
1519
            ".C_emitSizeof(C_env env)" + 
            " not declared");
Anders Nilsson's avatar
Anders Nilsson committed
1520
1521
1522
1523
1524
  }

  public void PrimType.C_emitSizeof(C_env env) {
    switch (getToken()) {
      case LABCOMM_STRING: { 
Anders Blomdell's avatar
Anders Blomdell committed
1525
        env.print("{ int l = strlen(" + env.qualid + "); ");
1526
    env.println("result += labcomm"+env.verStr+"_size_packed32(l) + l; }"); 
Anders Nilsson's avatar
Anders Nilsson committed
1527
1528
      } break;
      default: { 
1529
1530
1531
    throw new Error(this.getClass().getName() + 
            ".C_emitSizeof(C_env env)" + 
            " known size (" + getName() + ")"); 
Anders Nilsson's avatar
Anders Nilsson committed
1532
1533
1534
1535
1536
1537
1538
1539
1540
1541
1542
1543
      } 
    }
  }

  public void UserType.C_emitSizeof(C_env env) {
    lookupType(getName()).getType().C_emitSizeof(env);
  }

  public void StructType.C_emitSizeof(C_env env) {
    int fixed = 0;
    for (int i = 0 ; i < getNumField() ; i++) {
      if (getField(i).getType().C_isDynamic()) {
1544
1545
    getField(i).getType().C_emitSizeof(
      env.nestStruct("." + getField(i).getName()));
Anders Nilsson's avatar
Anders Nilsson committed
1546
      } else {
1547
    fixed += getField(i).getType().C_fixedSizeof();
Anders Nilsson's avatar
Anders Nilsson committed
1548
1549
1550
1551
1552
1553
1554
      }
    }
    if (fixed > 0) {
      env.println("result += " + fixed + ";");
    }
  }

1555
1556
1557
1558
1559
1560
1561
1562
  public void Exp.C_emitSizeof(C_env env, int i) {
  }

  public void VariableSize.C_emitSizeof(C_env env, int i) {
    env.println("result += labcomm"+env.verStr+"_size_packed32(" + 
                env.qualid + env.memberAccessor() + "n_" + i + ");");
  }

Anders Nilsson's avatar
Anders Nilsson committed
1563
  public void ArrayType.C_emitSizeof(C_env env) {
1564
1565
1566
    for (int i = 0 ; i < getNumExp() ; i++) {
      getExp(i).C_emitSizeof(env, i);
    }
Anders Nilsson's avatar
Anders Nilsson committed
1567
1568
1569
1570
1571
    if (getType().C_isDynamic()) {
      env.println("{");
      env.indent();
      C_emitLoopVariables(env);
      for (int i = 0 ; i < getNumExp() ; i++) {
1572
1573
1574
1575
1576
1577
1578
        String iterator = "i_" + env.depth + "_" + i;
        env.println("for (" + iterator + " = 0" +
                    " ; " +
                    iterator + " < " + getExp(i).C_getLimit(env, i) +
                    " ; " +
                    iterator + "++) {");
        env.indent();
Anders Nilsson's avatar
Anders Nilsson committed
1579
1580
1581
1582
      }
      C_emitCalcIndex(env);
      getType().C_emitSizeof(C_Nest(env));
      for (int i = 0 ; i < getNumExp() ; i++) {
1583
1584
        env.unindent();
        env.println("}");
Anders Nilsson's avatar
Anders Nilsson committed
1585
1586
1587
1588
1589
1590
      }
      env.unindent();
      env.println("}");
    } else {
      env.print("result += " + getType().C_fixedSizeof());
      for (int i = 0 ; i < getNumExp() ; i++) {
1591
        env.print(" * " + getExp(i).C_getLimit(env, i));
Anders Nilsson's avatar
Anders Nilsson committed
1592
1593
1594
1595
1596
1597
1598
1599
1600
1601
1602
1603
1604
1605
1606
1607
1608
1609
1610
1611
1612
1613
1614
1615
1616
1617
1618
1619
1620
1621
1622
1623
1624
1625
1626
1627
1628
1629
      }
      env.println(";");      
    }
  }
}

aspect C_forAll {

  public void Program.C_emitForAll(C_env env) {
    env.print("#define LABCOMM_FORALL_SAMPLES_" + env.lcName + 
		"(func, sep)");
    env.indent();
    boolean needSeparator = false;
    for (int i = 0; i < getNumDecl(); i++) {
      String s = getDecl(i).C_forAll(env);
      if (s != null) {
	if (needSeparator) { env.print(" sep"); }
	env.println(" \\");
	env.print(s);
	needSeparator = true;
      }
    }
    env.println("");
    env.unindent();
  }
  
  public String Decl.C_forAll(C_env env) {
    return null;
  }

  public String SampleDecl.C_forAll(C_env env) {
    return "func(" + getName() + ", " + env.prefix + getName() + ")";
  }

}

aspect C_Info {

1630
1631
  public void Program.C_info(PrintStream out, String prefix, int version) {
    C_env env = new C_env("", "", prefix, out, version);
Anders Nilsson's avatar
Anders Nilsson committed
1632
1633
1634
1635
1636
1637
1638
1639
1640
1641
1642
1643
    for (int i = 0; i < getNumDecl(); i++) {
      getDecl(i).C_info(env);
    }
  }

  public void Decl.C_info(C_env env) {
    throw new Error(this.getClass().getName() + 
		    ".C_info((C_env env)" + 
		    " not declared");
  }

  public void TypeDecl.C_info(C_env env) {
Anders Blomdell's avatar
Anders Blomdell committed
1644
    env.println(",C,typedef," + env.prefix + getName() + "," + 
1645
1646
                 env.prefix + getName() + "," +
                 C_info_type_or_void(env.prefix));
Anders Nilsson's avatar
Anders Nilsson committed
1647
1648
1649
  }

  public void SampleDecl.C_info(C_env env) {
Anders Blomdell's avatar
Anders Blomdell committed
1650
    env.println(",C,sample," + env.prefix + getName() + "," + 
1651
1652
                 env.prefix + getName() + "," +
                 C_info_type_or_void(env.prefix));
Anders Nilsson's avatar
Anders Nilsson committed
1653
1654
  }

1655
1656
1657
1658
1659
1660
1661
1662
1663
  // make void types explicitly as they require special treatment
  // in encoder/decoder calls
  protected String Decl.C_info_type_or_void(String prefix) {
    if(isVoid() ) {
      return "void";
    } else {
      return prefix + getName() ;
    }
  }
Anders Nilsson's avatar
Anders Nilsson committed
1664
}