Mercurial > hg > truffle
comparison truffle/com.oracle.truffle.dsl.processor/src/com/oracle/truffle/dsl/processor/model/ExecutableTypeData.java @ 21951:9c8c0937da41
Moving all sources into truffle subdirectory
author | Jaroslav Tulach <jaroslav.tulach@oracle.com> |
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date | Wed, 17 Jun 2015 10:58:08 +0200 |
parents | graal/com.oracle.truffle.dsl.processor/src/com/oracle/truffle/dsl/processor/model/ExecutableTypeData.java@b1530a6cce8c |
children | dc83cc1f94f2 |
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21950:2a5011c7e641 | 21951:9c8c0937da41 |
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1 /* | |
2 * Copyright (c) 2012, 2012, Oracle and/or its affiliates. All rights reserved. | |
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. | |
4 * | |
5 * This code is free software; you can redistribute it and/or modify it | |
6 * under the terms of the GNU General Public License version 2 only, as | |
7 * published by the Free Software Foundation. | |
8 * | |
9 * This code is distributed in the hope that it will be useful, but WITHOUT | |
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
12 * version 2 for more details (a copy is included in the LICENSE file that | |
13 * accompanied this code). | |
14 * | |
15 * You should have received a copy of the GNU General Public License version | |
16 * 2 along with this work; if not, write to the Free Software Foundation, | |
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
18 * | |
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA | |
20 * or visit www.oracle.com if you need additional information or have any | |
21 * questions. | |
22 */ | |
23 package com.oracle.truffle.dsl.processor.model; | |
24 | |
25 import static com.oracle.truffle.dsl.processor.java.ElementUtils.*; | |
26 | |
27 import java.util.*; | |
28 | |
29 import javax.lang.model.element.*; | |
30 import javax.lang.model.type.*; | |
31 | |
32 import com.oracle.truffle.api.nodes.*; | |
33 import com.oracle.truffle.dsl.processor.*; | |
34 import com.oracle.truffle.dsl.processor.java.*; | |
35 | |
36 public class ExecutableTypeData extends MessageContainer implements Comparable<ExecutableTypeData> { | |
37 | |
38 private final NodeData node; | |
39 private final ExecutableElement method; | |
40 private final TypeMirror returnType; | |
41 private final TypeMirror frameParameter; | |
42 private final List<TypeMirror> evaluatedParameters; | |
43 private ExecutableTypeData delegatedTo; | |
44 private final List<ExecutableTypeData> delegatedFrom = new ArrayList<>(); | |
45 | |
46 private String uniqueName; | |
47 | |
48 public ExecutableTypeData(NodeData node, TypeMirror returnType, String uniqueName, TypeMirror frameParameter, List<TypeMirror> evaluatedParameters) { | |
49 this.node = node; | |
50 this.returnType = returnType; | |
51 this.frameParameter = frameParameter; | |
52 this.evaluatedParameters = evaluatedParameters; | |
53 this.uniqueName = uniqueName; | |
54 this.method = null; | |
55 } | |
56 | |
57 public ExecutableTypeData(NodeData node, ExecutableElement method, int signatureSize, List<TypeMirror> frameTypes) { | |
58 this.node = node; | |
59 this.method = method; | |
60 this.returnType = method.getReturnType(); | |
61 TypeMirror foundFrameParameter = null; | |
62 List<? extends VariableElement> parameters = method.getParameters(); | |
63 | |
64 int parameterIndex = 0; | |
65 evaluatedParameters = new ArrayList<>(); | |
66 if (!parameters.isEmpty()) { | |
67 TypeMirror firstParameter = parameters.get(0).asType(); | |
68 for (TypeMirror frameType : frameTypes) { | |
69 if (ElementUtils.typeEquals(firstParameter, frameType)) { | |
70 foundFrameParameter = firstParameter; | |
71 parameterIndex++; | |
72 break; | |
73 } | |
74 } | |
75 } | |
76 | |
77 int numberParameters = Math.max(parameters.size() - parameterIndex, signatureSize); | |
78 for (int i = 0; i < numberParameters; i++) { | |
79 TypeMirror parameter; | |
80 if (method.isVarArgs() && parameterIndex >= parameters.size() - 1) { | |
81 ArrayType varArgsArray = (ArrayType) parameters.get(parameters.size() - 1).asType(); | |
82 parameter = varArgsArray.getComponentType(); | |
83 } else if (parameterIndex < parameters.size()) { | |
84 parameter = parameters.get(parameterIndex).asType(); | |
85 } else { | |
86 break; | |
87 } | |
88 parameterIndex++; | |
89 evaluatedParameters.add(parameter); | |
90 } | |
91 this.frameParameter = foundFrameParameter; | |
92 this.uniqueName = createName(this); | |
93 } | |
94 | |
95 public static String createName(ExecutableTypeData type) { | |
96 return "execute" + (ElementUtils.isObject(type.getReturnType()) ? "" : ElementUtils.getTypeId(type.getReturnType())); | |
97 } | |
98 | |
99 public void addDelegatedFrom(ExecutableTypeData child) { | |
100 this.delegatedFrom.add(child); | |
101 child.delegatedTo = this; | |
102 } | |
103 | |
104 public List<ExecutableTypeData> getDelegatedFrom() { | |
105 return delegatedFrom; | |
106 } | |
107 | |
108 public ExecutableTypeData getDelegatedTo() { | |
109 return delegatedTo; | |
110 } | |
111 | |
112 public ExecutableElement getMethod() { | |
113 return method; | |
114 } | |
115 | |
116 public String getUniqueName() { | |
117 return uniqueName; | |
118 } | |
119 | |
120 public void setUniqueName(String name) { | |
121 this.uniqueName = name; | |
122 } | |
123 | |
124 @Override | |
125 public Element getMessageElement() { | |
126 return method; | |
127 } | |
128 | |
129 public List<TypeMirror> getEvaluatedParameters() { | |
130 return evaluatedParameters; | |
131 } | |
132 | |
133 public List<TypeMirror> getSignatureParameters() { | |
134 List<TypeMirror> signaturetypes = new ArrayList<>(); | |
135 int index = 0; | |
136 for (NodeExecutionData execution : node.getChildExecutions()) { | |
137 if (execution.isShortCircuit()) { | |
138 index++; | |
139 } | |
140 if (index < getEvaluatedCount()) { | |
141 signaturetypes.add(getEvaluatedParameters().get(index)); | |
142 } | |
143 index++; | |
144 } | |
145 return signaturetypes; | |
146 } | |
147 | |
148 public int getVarArgsIndex(int parameterIndex) { | |
149 if (method.isVarArgs()) { | |
150 int index = parameterIndex - (method.getParameters().size() - 1); | |
151 return index; | |
152 } | |
153 return -1; | |
154 } | |
155 | |
156 public int getParameterIndex(int signatureIndex) { | |
157 return frameParameter != null ? signatureIndex + 1 : signatureIndex; | |
158 } | |
159 | |
160 public TypeMirror getFrameParameter() { | |
161 return frameParameter; | |
162 } | |
163 | |
164 public TypeMirror getReturnType() { | |
165 return returnType; | |
166 } | |
167 | |
168 public boolean hasUnexpectedValue(ProcessorContext context) { | |
169 return method == null ? false : ElementUtils.canThrowType(method.getThrownTypes(), context.getType(UnexpectedResultException.class)); | |
170 } | |
171 | |
172 public boolean isFinal() { | |
173 return method == null ? false : method.getModifiers().contains(Modifier.FINAL); | |
174 } | |
175 | |
176 public boolean isAbstract() { | |
177 return method == null ? false : method.getModifiers().contains(Modifier.ABSTRACT); | |
178 } | |
179 | |
180 public int getEvaluatedCount() { | |
181 return evaluatedParameters.size(); | |
182 } | |
183 | |
184 public boolean canDelegateTo(ExecutableTypeData to) { | |
185 ExecutableTypeData from = this; | |
186 if (to.getEvaluatedCount() < from.getEvaluatedCount()) { | |
187 return false; | |
188 } | |
189 | |
190 ProcessorContext context = node.getContext(); | |
191 | |
192 // we cannot delegate from generic to unexpected | |
193 if (!from.hasUnexpectedValue(context) && to.hasUnexpectedValue(context)) { | |
194 return false; | |
195 } | |
196 | |
197 // we can skip the return type check for void. everything is assignable to void. | |
198 if (!isVoid(from.getReturnType())) { | |
199 if (!isSubtypeBoxed(context, from.getReturnType(), to.getReturnType()) && !isSubtypeBoxed(context, to.getReturnType(), from.getReturnType())) { | |
200 return false; | |
201 } | |
202 } | |
203 if (from.getFrameParameter() != to.getFrameParameter() && from.getFrameParameter() != null && to.getFrameParameter() != null && | |
204 !isSubtypeBoxed(context, from.getFrameParameter(), to.getFrameParameter())) { | |
205 return false; | |
206 } | |
207 | |
208 for (int i = 0; i < from.getEvaluatedCount(); i++) { | |
209 if (!isSubtypeBoxed(context, from.getEvaluatedParameters().get(i), to.getEvaluatedParameters().get(i))) { | |
210 return false; | |
211 } | |
212 } | |
213 | |
214 List<TypeMirror> fromSignatureParameters = from.getSignatureParameters(); | |
215 List<TypeMirror> toSignatureParameters = to.getSignatureParameters(); | |
216 for (int i = fromSignatureParameters.size(); i < toSignatureParameters.size(); i++) { | |
217 TypeMirror delegateToParameter = toSignatureParameters.get(i); | |
218 if (i < node.getChildExecutions().size()) { | |
219 TypeMirror genericType = node.getGenericType(node.getChildExecutions().get(i)); | |
220 if (!isSubtypeBoxed(context, genericType, delegateToParameter)) { | |
221 return false; | |
222 } | |
223 } | |
224 } | |
225 | |
226 return true; | |
227 } | |
228 | |
229 public int compareTo(ExecutableTypeData o2) { | |
230 ExecutableTypeData o1 = this; | |
231 ProcessorContext context = ProcessorContext.getInstance(); | |
232 | |
233 if (canDelegateTo(o2)) { | |
234 if (!o2.canDelegateTo(this)) { | |
235 return 1; | |
236 } | |
237 } else if (o2.canDelegateTo(this)) { | |
238 return -1; | |
239 } | |
240 | |
241 int result = Integer.compare(o2.getEvaluatedCount(), o1.getEvaluatedCount()); | |
242 if (result != 0) { | |
243 return result; | |
244 } | |
245 | |
246 result = Boolean.compare(o1.hasUnexpectedValue(context), o2.hasUnexpectedValue(context)); | |
247 if (result != 0) { | |
248 return result; | |
249 } | |
250 | |
251 result = compareType(context, o1.getReturnType(), o2.getReturnType()); | |
252 if (result != 0) { | |
253 return result; | |
254 } | |
255 result = compareType(context, o1.getFrameParameter(), o2.getFrameParameter()); | |
256 if (result != 0) { | |
257 return result; | |
258 } | |
259 | |
260 for (int i = 0; i < o1.getEvaluatedCount(); i++) { | |
261 result = compareType(context, o1.getEvaluatedParameters().get(i), o2.getEvaluatedParameters().get(i)); | |
262 if (result != 0) { | |
263 return result; | |
264 } | |
265 } | |
266 | |
267 result = o1.getUniqueName().compareTo(o2.getUniqueName()); | |
268 if (result != 0) { | |
269 return result; | |
270 } | |
271 | |
272 if (o1.getMethod() != null && o2.getMethod() != null) { | |
273 result = ElementUtils.compareMethod(o1.getMethod(), o2.getMethod()); | |
274 if (result != 0) { | |
275 return result; | |
276 } | |
277 } | |
278 return 0; | |
279 } | |
280 | |
281 public static int compareType(ProcessorContext context, TypeMirror signature1, TypeMirror signature2) { | |
282 if (signature1 == null) { | |
283 if (signature2 == null) { | |
284 return 0; | |
285 } | |
286 return -1; | |
287 } else if (signature2 == null) { | |
288 return 1; | |
289 } | |
290 if (ElementUtils.typeEquals(signature1, signature2)) { | |
291 return 0; | |
292 } | |
293 if (isVoid(signature1)) { | |
294 if (isVoid(signature2)) { | |
295 return 0; | |
296 } | |
297 return 1; | |
298 } else if (isVoid(signature2)) { | |
299 return -1; | |
300 } | |
301 | |
302 TypeMirror boxedType1 = ElementUtils.boxType(context, signature1); | |
303 TypeMirror boxedType2 = ElementUtils.boxType(context, signature2); | |
304 | |
305 if (ElementUtils.isSubtype(boxedType1, boxedType2)) { | |
306 if (ElementUtils.isSubtype(boxedType2, boxedType1)) { | |
307 return 0; | |
308 } | |
309 return 1; | |
310 } else if (ElementUtils.isSubtype(boxedType2, boxedType1)) { | |
311 return -1; | |
312 } else { | |
313 return ElementUtils.getSimpleName(signature1).compareTo(ElementUtils.getSimpleName(signature2)); | |
314 } | |
315 } | |
316 | |
317 public String getName() { | |
318 if (method != null) { | |
319 return method.getSimpleName().toString(); | |
320 } else { | |
321 return getUniqueName(); | |
322 } | |
323 | |
324 } | |
325 | |
326 private static String formatType(TypeMirror type) { | |
327 return type == null ? "null" : ElementUtils.getSimpleName(type); | |
328 } | |
329 | |
330 @Override | |
331 public String toString() { | |
332 return String.format("%s %s(%s,%s)", formatType(getReturnType()), getName(), formatType(getFrameParameter()), getEvaluatedParameters()); | |
333 } | |
334 | |
335 public boolean sameParameters(ExecutableTypeData other) { | |
336 if (!typeEquals(other.getFrameParameter(), getFrameParameter())) { | |
337 return false; | |
338 } | |
339 | |
340 if (getEvaluatedCount() != other.getEvaluatedCount()) { | |
341 return false; | |
342 } | |
343 | |
344 for (int i = 0; i < getEvaluatedCount(); i++) { | |
345 if (!typeEquals(getEvaluatedParameters().get(i), other.getEvaluatedParameters().get(i))) { | |
346 return false; | |
347 } | |
348 } | |
349 return true; | |
350 } | |
351 | |
352 public boolean sameSignature(ExecutableTypeData other) { | |
353 if (!typeEquals(other.getReturnType(), getReturnType())) { | |
354 return false; | |
355 } | |
356 | |
357 if (other.getFrameParameter() != null) { | |
358 if (!typeEquals(getFrameParameter(), other.getFrameParameter())) { | |
359 return false; | |
360 } | |
361 } | |
362 | |
363 if (getEvaluatedCount() != other.getEvaluatedCount()) { | |
364 return false; | |
365 } | |
366 | |
367 for (int i = 0; i < getEvaluatedCount(); i++) { | |
368 if (!typeEquals(getEvaluatedParameters().get(i), other.getEvaluatedParameters().get(i))) { | |
369 return false; | |
370 } | |
371 } | |
372 | |
373 return true; | |
374 } | |
375 } |