1 |
3
|
krennw
|
|
2 |
|
|
/*
|
3 |
|
|
* This is a quick'n dirty hack to see whether the internal data structures are sane enough to emit some
|
4 |
|
|
* prolog code..
|
5 |
|
|
*
|
6 |
|
|
*
|
7 |
|
|
*/
|
8 |
|
|
|
9 |
|
|
|
10 |
|
|
|
11 |
|
|
using System;
|
12 |
|
|
using System.Collections.Generic;
|
13 |
|
|
using System.Text;
|
14 |
|
|
|
15 |
|
|
namespace TUG.Mogentes.Codegen
|
16 |
|
|
{
|
17 |
|
|
class prologCodeGenerator : SyntaxTreeVisitor
|
18 |
|
|
{
|
19 |
|
|
protected int indentLevel = 0;
|
20 |
|
|
protected int indentTabWidth = 4;
|
21 |
|
|
protected bool writeTypes = true;
|
22 |
|
|
protected StringBuilder output = new StringBuilder();
|
23 |
|
|
|
24 |
|
|
protected Dictionary<NamedTypeSymbol, string> definedTypes = new Dictionary<NamedTypeSymbol, string>();
|
25 |
|
|
|
26 |
|
|
public void Append(string text)
|
27 |
|
|
{
|
28 |
|
|
output.Append(text);
|
29 |
|
|
}
|
30 |
|
|
|
31 |
|
|
public void Indent()
|
32 |
|
|
{
|
33 |
|
|
for (int i = 0; i < indentLevel * indentTabWidth; i++)
|
34 |
|
|
output.Append(" ");
|
35 |
|
|
}
|
36 |
|
|
|
37 |
|
|
public void AppendLine(string text)
|
38 |
|
|
{
|
39 |
|
|
output.AppendLine(text);
|
40 |
|
|
Indent();
|
41 |
|
|
}
|
42 |
|
|
|
43 |
|
|
|
44 |
|
|
public override string ToString()
|
45 |
|
|
{
|
46 |
|
|
return output.ToString();
|
47 |
|
|
}
|
48 |
|
|
|
49 |
|
|
|
50 |
|
|
|
51 |
|
|
public void visit<T>(CompositionList<T> compositionList, int stage) where T : SyntaxTree
|
52 |
|
|
{
|
53 |
|
|
|
54 |
|
|
}
|
55 |
|
|
|
56 |
|
|
public void visit(OoaType anObject, int stage)
|
57 |
|
|
{
|
58 |
|
|
if (stage != 0)
|
59 |
|
|
return;
|
60 |
|
|
|
61 |
|
|
// VARIABLES
|
62 |
|
|
|
63 |
|
|
List<string> varlist = new List<string>();
|
64 |
|
|
List<string> init = new List<string>();
|
65 |
|
|
|
66 |
|
|
AppendLine("");
|
67 |
|
|
AppendLine("% variable defs");
|
68 |
|
|
foreach (var sym in anObject.symbols.Values)
|
69 |
|
|
{
|
70 |
|
|
if (sym.GetType() == typeof(VariableSymbol))
|
71 |
|
|
{
|
72 |
|
|
init.Add(((VariableSymbol)sym).initializer.ToString());
|
73 |
|
|
|
74 |
|
|
Append("var([");
|
75 |
|
|
Append(sym.tokenText);
|
76 |
|
|
Append("],");
|
77 |
|
|
|
78 |
|
|
varlist.Add(sym.tokenText);
|
79 |
|
|
|
80 |
|
|
if (sym.type is OpaqueType)
|
81 |
|
|
{
|
82 |
|
|
Append(((OpaqueType)sym.type).referencedType.tokenText);
|
83 |
|
|
AppendLine(").");
|
84 |
|
|
}
|
85 |
|
|
else
|
86 |
|
|
{
|
87 |
|
|
AppendLine("). % anonymous types not supported");
|
88 |
|
|
}
|
89 |
|
|
}
|
90 |
|
|
}
|
91 |
|
|
|
92 |
|
|
/*define state vector*/
|
93 |
|
|
AppendLine("");
|
94 |
|
|
Append("state_def([");
|
95 |
|
|
int cntr = varlist.Count;
|
96 |
|
|
varlist.ForEach(i => { cntr--; Append(i); if (cntr > 0) Append(","); });
|
97 |
|
|
AppendLine("]).");
|
98 |
|
|
|
99 |
|
|
/*define start values (just a copy/paste of the initializer expressions)*/
|
100 |
|
|
AppendLine("");
|
101 |
|
|
Append("init([");
|
102 |
|
|
cntr = init.Count;
|
103 |
|
|
init.ForEach(i => { cntr--; Append(i); if (cntr > 0) Append(","); });
|
104 |
|
|
AppendLine("]).");
|
105 |
|
|
|
106 |
|
|
|
107 |
|
|
// ACTIONS
|
108 |
|
|
AppendLine("");
|
109 |
|
|
List<NamedActionSymbol> actions = new List<NamedActionSymbol>();
|
110 |
|
|
foreach (var sym in anObject.symbols.Values)
|
111 |
|
|
{
|
112 |
|
|
if (sym.GetType() == typeof(NamedActionSymbol))
|
113 |
|
|
actions.Add((NamedActionSymbol)sym);
|
114 |
|
|
}
|
115 |
|
|
|
116 |
|
|
if (actions.Count > 0)
|
117 |
|
|
{
|
118 |
|
|
Append("as :- ");
|
119 |
|
|
cntr = actions.Count;
|
120 |
|
|
foreach (var na in actions)
|
121 |
|
|
{
|
122 |
|
|
cntr--;
|
123 |
|
|
Append(na.tokenText); Append(":");
|
124 |
|
|
foreach (UlyssesStatement s in ((FunctionType)na.type).body)
|
125 |
|
|
{
|
126 |
|
|
if (s is GuardedCommandStatement)
|
127 |
|
|
{
|
128 |
|
|
Append("(");
|
129 |
|
|
Append(((GuardedCommandStatement)s).guard.ToString());
|
130 |
|
|
Append(") => (");
|
131 |
|
|
bool first = true;
|
132 |
|
|
foreach (UlyssesStatement sb in ((GuardedCommandStatement)s).body)
|
133 |
|
|
{
|
134 |
|
|
if (first)
|
135 |
|
|
first = false;
|
136 |
|
|
else
|
137 |
|
|
Append(",");
|
138 |
|
|
Append(sb.ToString());
|
139 |
|
|
|
140 |
|
|
}
|
141 |
|
|
Append(")");
|
142 |
|
|
}
|
143 |
|
|
}
|
144 |
|
|
if (cntr > 0)
|
145 |
|
|
AppendLine(",");
|
146 |
|
|
}
|
147 |
|
|
AppendLine(".");
|
148 |
|
|
}
|
149 |
|
|
|
150 |
|
|
}
|
151 |
|
|
|
152 |
|
|
public void visit(BoolType anObject, int stage)
|
153 |
|
|
{
|
154 |
|
|
}
|
155 |
|
|
|
156 |
|
|
public void visit(IntType intType, int p)
|
157 |
|
|
{
|
158 |
|
|
}
|
159 |
|
|
|
160 |
|
|
public void visit(FloatType floatType, int p)
|
161 |
|
|
{
|
162 |
|
|
|
163 |
|
|
}
|
164 |
|
|
|
165 |
|
|
public void visit(CharType charType, int p)
|
166 |
|
|
{
|
167 |
|
|
|
168 |
|
|
}
|
169 |
|
|
|
170 |
|
|
public void visit(EnumType enumType, int p)
|
171 |
|
|
{
|
172 |
|
|
|
173 |
|
|
}
|
174 |
|
|
|
175 |
|
|
public void visit(ListType listType, int p)
|
176 |
|
|
{
|
177 |
|
|
|
178 |
|
|
}
|
179 |
|
|
|
180 |
|
|
public void visit(MapType mapType, int p)
|
181 |
|
|
{
|
182 |
|
|
|
183 |
|
|
}
|
184 |
|
|
|
185 |
|
|
public void visit(TupleType tupleType, int p)
|
186 |
|
|
{
|
187 |
|
|
|
188 |
|
|
}
|
189 |
|
|
|
190 |
|
|
public void visit(OoaSystem ooaSystem, int stage)
|
191 |
|
|
{
|
192 |
|
|
if (stage == 0)
|
193 |
|
|
{
|
194 |
|
|
AppendLine(":- public(as/0).");
|
195 |
|
|
AppendLine(":- public(asM/0).");
|
196 |
|
|
AppendLine("");
|
197 |
|
|
AppendLine(":- dynamic(qstate_init/1).");
|
198 |
|
|
AppendLine(":- dynamic(qstate_constraints/1).");
|
199 |
|
|
AppendLine(":- public(qstate_constraints/1).");
|
200 |
|
|
AppendLine(":- public(qstate_init/1).");
|
201 |
|
|
|
202 |
|
|
AppendLine("");
|
203 |
|
|
AppendLine("% defintion of maximal search depth");
|
204 |
|
|
AppendLine("searchDepth(15).");
|
205 |
|
|
AppendLine("");
|
206 |
|
|
}
|
207 |
|
|
if (stage == 2)
|
208 |
|
|
writeTypes = false;
|
209 |
|
|
|
210 |
|
|
}
|
211 |
|
|
|
212 |
|
|
public bool visit(NamedTypeSymbol namedTypeSymbol, int p)
|
213 |
|
|
{
|
214 |
|
|
if (p != 0)
|
215 |
|
|
return writeTypes;
|
216 |
|
|
|
217 |
|
|
if (!definedTypes.ContainsKey(namedTypeSymbol))
|
218 |
|
|
{
|
219 |
|
|
definedTypes.Add(namedTypeSymbol, namedTypeSymbol.tokenText);
|
220 |
|
|
int i;
|
221 |
|
|
Type aType = namedTypeSymbol.type.GetType();
|
222 |
|
|
string atypedef = "type(" + namedTypeSymbol.tokenText + ",";
|
223 |
|
|
if (aType == typeof(IntType))
|
224 |
|
|
{
|
225 |
|
|
IntType intType = (IntType)namedTypeSymbol.type;
|
226 |
|
|
Append(atypedef);
|
227 |
|
|
Append("X) :- "); Append("fd_domain(X,"); Append(intType.low.ToString()); Append(",");
|
228 |
|
|
Append(intType.high.ToString()); Append("),");
|
229 |
|
|
AppendLine("fd_labeling(X).");
|
230 |
|
|
}
|
231 |
|
|
else if (aType == typeof(EnumType))
|
232 |
|
|
{
|
233 |
|
|
EnumType enumType = (EnumType)namedTypeSymbol.type;
|
234 |
|
|
i = enumType.enumSymbols.Count;
|
235 |
|
|
Append(atypedef);
|
236 |
|
|
Append("[");
|
237 |
|
|
foreach (var sym in enumType.enumSymbols)
|
238 |
|
|
{
|
239 |
|
|
i--;
|
240 |
|
|
Append("'");
|
241 |
|
|
Append(sym.tokenText);
|
242 |
|
|
Append("'");
|
243 |
|
|
if (i > 0)
|
244 |
|
|
Append(",");
|
245 |
|
|
}
|
246 |
|
|
AppendLine("]).");
|
247 |
|
|
|
248 |
|
|
}
|
249 |
|
|
else if (aType == typeof(BoolType))
|
250 |
|
|
{
|
251 |
|
|
AppendLine(" % bool not supported yet. ");
|
252 |
|
|
}
|
253 |
|
|
else if (aType == typeof(FloatType))
|
254 |
|
|
{
|
255 |
|
|
AppendLine(" % float not supported yet. ");
|
256 |
|
|
}
|
257 |
|
|
else if (aType == typeof(CharType))
|
258 |
|
|
{
|
259 |
|
|
AppendLine(" % char not supported yet. ");
|
260 |
|
|
}
|
261 |
|
|
else if (aType == typeof(ListType))
|
262 |
|
|
{
|
263 |
|
|
AppendLine(" % list not supported yet. ");
|
264 |
|
|
}
|
265 |
|
|
else if (aType == typeof(MapType))
|
266 |
|
|
{
|
267 |
|
|
AppendLine(" % map not supported yet. ");
|
268 |
|
|
}
|
269 |
|
|
else if (aType == typeof(TupleType))
|
270 |
|
|
{
|
271 |
|
|
AppendLine(" % tuple not supported yet. ");
|
272 |
|
|
}
|
273 |
|
|
}
|
274 |
|
|
return writeTypes;
|
275 |
|
|
}
|
276 |
|
|
|
277 |
|
|
public bool visit(ParameterSymbol parameterSymbol, int p)
|
278 |
|
|
{
|
279 |
|
|
return true;
|
280 |
|
|
}
|
281 |
|
|
|
282 |
|
|
public bool visit(VariableSymbol variableSymbol, int p)
|
283 |
|
|
{
|
284 |
|
|
return true;
|
285 |
|
|
}
|
286 |
|
|
|
287 |
|
|
public bool visit(MethodSymbol methodSymbol, int p)
|
288 |
|
|
{
|
289 |
|
|
|
290 |
|
|
|
291 |
|
|
|
292 |
|
|
return true;
|
293 |
|
|
}
|
294 |
|
|
|
295 |
|
|
public void visit(EnumIdSymbol enumIdSymbol, int p)
|
296 |
|
|
{
|
297 |
|
|
|
298 |
|
|
}
|
299 |
|
|
|
300 |
|
|
public void visit(AbortStatement abortStatement, int p)
|
301 |
|
|
{
|
302 |
|
|
|
303 |
|
|
}
|
304 |
|
|
|
305 |
|
|
public void visit(SkipStatement skipStatement, int p)
|
306 |
|
|
{
|
307 |
|
|
|
308 |
|
|
}
|
309 |
|
|
|
310 |
|
|
public void visit(KillStatement killStatement, int p)
|
311 |
|
|
{
|
312 |
|
|
|
313 |
|
|
}
|
314 |
|
|
|
315 |
|
|
public void visit(GuardedCommandStatement guardedCommandStatement, int p)
|
316 |
|
|
{
|
317 |
|
|
|
318 |
|
|
}
|
319 |
|
|
|
320 |
|
|
public void visit(NamedActionInclusionStatement namedActionInclusionStatement, int p)
|
321 |
|
|
{
|
322 |
|
|
|
323 |
|
|
}
|
324 |
|
|
|
325 |
|
|
public void visit(MethodCallStatement methodCallStatement, int p)
|
326 |
|
|
{
|
327 |
|
|
|
328 |
|
|
}
|
329 |
|
|
|
330 |
|
|
public void visit(AssignmentStatement assignmentStatement, int p)
|
331 |
|
|
{
|
332 |
|
|
|
333 |
|
|
}
|
334 |
|
|
|
335 |
|
|
public void visit(LocalVarStatement localVarStatement, int p)
|
336 |
|
|
{
|
337 |
|
|
|
338 |
|
|
}
|
339 |
|
|
|
340 |
|
|
public void visit(ConstantChar constantChar, int p)
|
341 |
|
|
{
|
342 |
|
|
|
343 |
|
|
}
|
344 |
|
|
|
345 |
|
|
public void visit(ConstantInt constantInt, int p)
|
346 |
|
|
{
|
347 |
|
|
|
348 |
|
|
}
|
349 |
|
|
|
350 |
|
|
public void visit(ConstantFloat constantFloat, int p)
|
351 |
|
|
{
|
352 |
|
|
|
353 |
|
|
}
|
354 |
|
|
|
355 |
|
|
public void visit(ConstantNil constantNil, int p)
|
356 |
|
|
{
|
357 |
|
|
|
358 |
|
|
}
|
359 |
|
|
|
360 |
|
|
public void visit(ConstantBool constantBool, int p)
|
361 |
|
|
{
|
362 |
|
|
|
363 |
|
|
}
|
364 |
|
|
|
365 |
|
|
public void visit(ConstantList constantList, int p)
|
366 |
|
|
{
|
367 |
|
|
|
368 |
|
|
}
|
369 |
|
|
|
370 |
|
|
public void visit(ConstantSet constantSet, int p)
|
371 |
|
|
{
|
372 |
|
|
|
373 |
|
|
}
|
374 |
|
|
|
375 |
|
|
public void visit(ConstantMap constantMap, int p)
|
376 |
|
|
{
|
377 |
|
|
|
378 |
|
|
}
|
379 |
|
|
|
380 |
|
|
public void visit(UnaryOperator unaryOperator, int p)
|
381 |
|
|
{
|
382 |
|
|
|
383 |
|
|
}
|
384 |
|
|
|
385 |
|
|
public void visit(SetListUnaryOperator setListUnaryOperator, int p)
|
386 |
|
|
{
|
387 |
|
|
|
388 |
|
|
}
|
389 |
|
|
|
390 |
|
|
public void visit(MapUnaryOperator mapUnaryOperator, int p)
|
391 |
|
|
{
|
392 |
|
|
|
393 |
|
|
}
|
394 |
|
|
|
395 |
|
|
public void visit(BinaryOperator binaryOperator, int p)
|
396 |
|
|
{
|
397 |
|
|
|
398 |
|
|
}
|
399 |
|
|
|
400 |
|
|
public void visit(BoolBinaryOperator boolBinaryOperator, int p)
|
401 |
|
|
{
|
402 |
|
|
|
403 |
|
|
}
|
404 |
|
|
|
405 |
|
|
public void visit(NumericBinaryOperator numericBinaryOperator, int p)
|
406 |
|
|
{
|
407 |
|
|
|
408 |
|
|
}
|
409 |
|
|
|
410 |
|
|
public void visit(SetListBinaryOperator setListBinaryOperator, int p)
|
411 |
|
|
{
|
412 |
|
|
|
413 |
|
|
}
|
414 |
|
|
|
415 |
|
|
public void visit(MapBinaryOperator mapBinaryOperator, int p)
|
416 |
|
|
{
|
417 |
|
|
|
418 |
|
|
}
|
419 |
|
|
|
420 |
|
|
public void visit(QualifiedIdentifier qualifiedIdentifier, int p)
|
421 |
|
|
{
|
422 |
|
|
|
423 |
|
|
}
|
424 |
|
|
|
425 |
|
|
public void visit(Reference reference, int p)
|
426 |
|
|
{
|
427 |
|
|
|
428 |
|
|
}
|
429 |
|
|
|
430 |
|
|
public void visit(AccessExpression accessExpression, int p)
|
431 |
|
|
{
|
432 |
|
|
|
433 |
|
|
}
|
434 |
|
|
|
435 |
|
|
public void visit(ConditionalOperator conditionalOperator, int p)
|
436 |
|
|
{
|
437 |
|
|
|
438 |
|
|
}
|
439 |
|
|
|
440 |
|
|
public void visit(OpaqueType namedType, int p)
|
441 |
|
|
{
|
442 |
|
|
|
443 |
|
|
}
|
444 |
|
|
|
445 |
|
|
public bool visit(NamedActionSymbol namedActionSymbol, int p)
|
446 |
|
|
{
|
447 |
|
|
return true;
|
448 |
|
|
}
|
449 |
|
|
|
450 |
|
|
|
451 |
|
|
public void visit(ConstantTuple constantTuple, int p)
|
452 |
|
|
{
|
453 |
|
|
}
|
454 |
|
|
|
455 |
|
|
|
456 |
|
|
#region SyntaxTreeVisitor Member
|
457 |
|
|
|
458 |
|
|
|
459 |
|
|
public bool visit(FunctionType functionType, int p)
|
460 |
|
|
{
|
461 |
|
|
return true;
|
462 |
|
|
}
|
463 |
|
|
|
464 |
|
|
#endregion
|
465 |
|
|
}
|
466 |
|
|
} |