1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/test/tools/javac/api/TestOperators.java Wed Apr 27 01:34:52 2016 +0800
1.3 @@ -0,0 +1,347 @@
1.4 +/*
1.5 + * Copyright (c) 2005, 2011, Oracle and/or its affiliates. All rights reserved.
1.6 + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
1.7 + *
1.8 + * This code is free software; you can redistribute it and/or modify it
1.9 + * under the terms of the GNU General Public License version 2 only, as
1.10 + * published by the Free Software Foundation.
1.11 + *
1.12 + * This code is distributed in the hope that it will be useful, but WITHOUT
1.13 + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
1.14 + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
1.15 + * version 2 for more details (a copy is included in the LICENSE file that
1.16 + * accompanied this code).
1.17 + *
1.18 + * You should have received a copy of the GNU General Public License version
1.19 + * 2 along with this work; if not, write to the Free Software Foundation,
1.20 + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
1.21 + *
1.22 + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
1.23 + * or visit www.oracle.com if you need additional information or have any
1.24 + * questions.
1.25 + */
1.26 +
1.27 +/*
1.28 + * @test
1.29 + * @bug 6338064 6346249 6340951 6392177
1.30 + * @summary Tree API: can't determine kind of operator
1.31 + * @author Peter von der Ah\u00e9
1.32 + * @library ../lib
1.33 + * @build JavacTestingAbstractProcessor TestOperators
1.34 + * @compile -processor TestOperators -proc:only TestOperators.java
1.35 + */
1.36 +
1.37 +import java.util.Set;
1.38 +import javax.annotation.processing.*;
1.39 +import javax.lang.model.element.*;
1.40 +import javax.lang.model.util.*;
1.41 +import static javax.tools.Diagnostic.Kind.*;
1.42 +
1.43 +import com.sun.source.tree.*;
1.44 +import com.sun.source.util.Trees;
1.45 +
1.46 +import static com.sun.source.tree.Tree.Kind.*;
1.47 +
1.48 +@interface TestMe {
1.49 + Tree.Kind value();
1.50 +}
1.51 +
1.52 +@SupportedAnnotationTypes("TestMe")
1.53 +public class TestOperators extends JavacTestingAbstractProcessor {
1.54 +
1.55 + @TestMe(POSTFIX_INCREMENT)
1.56 + public int test_POSTFIX_INCREMENT(int i) {
1.57 + return i++;
1.58 + }
1.59 +
1.60 + @TestMe(POSTFIX_DECREMENT)
1.61 + public int test_POSTFIX_DECREMENT(int i) {
1.62 + return i--;
1.63 + }
1.64 +
1.65 + @TestMe(PREFIX_INCREMENT)
1.66 + public int test_PREFIX_INCREMENT(int i) {
1.67 + return ++i;
1.68 + }
1.69 +
1.70 + @TestMe(PREFIX_DECREMENT)
1.71 + public int test_PREFIX_DECREMENT(int i) {
1.72 + return --i;
1.73 + }
1.74 +
1.75 + @TestMe(UNARY_PLUS)
1.76 + public int test_UNARY_PLUS(int i) {
1.77 + return +i;
1.78 + }
1.79 +
1.80 + @TestMe(UNARY_MINUS)
1.81 + public int test_UNARY_MINUS(int i) {
1.82 + return -i;
1.83 + }
1.84 +
1.85 + @TestMe(BITWISE_COMPLEMENT)
1.86 + public int test_BITWISE_COMPLEMENT(int i) {
1.87 + return ~i;
1.88 + }
1.89 +
1.90 + @TestMe(LOGICAL_COMPLEMENT)
1.91 + public boolean test_LOGICAL_COMPLEMENT(boolean b) {
1.92 + return !b;
1.93 + }
1.94 +
1.95 + @TestMe(MULTIPLY)
1.96 + public int test_MULTIPLY(int i, int j) {
1.97 + return i * j;
1.98 + }
1.99 +
1.100 + @TestMe(DIVIDE)
1.101 + public int test_DIVIDE(int i, int j) {
1.102 + return i / j;
1.103 + }
1.104 +
1.105 + @TestMe(REMAINDER)
1.106 + public int test_REMAINDER(int i, int j) {
1.107 + return i % j;
1.108 + }
1.109 +
1.110 + @TestMe(PLUS)
1.111 + public int test_PLUS(int i, int j) {
1.112 + return i + j;
1.113 + }
1.114 +
1.115 + @TestMe(MINUS)
1.116 + public int test_MINUS(int i, int j) {
1.117 + return i - j;
1.118 + }
1.119 +
1.120 + @TestMe(LEFT_SHIFT)
1.121 + public int test_LEFT_SHIFT(int i, int j) {
1.122 + return i << j;
1.123 + }
1.124 +
1.125 + @TestMe(RIGHT_SHIFT)
1.126 + public int test_RIGHT_SHIFT(int i, int j) {
1.127 + return i >> j;
1.128 + }
1.129 +
1.130 + @TestMe(UNSIGNED_RIGHT_SHIFT)
1.131 + public int test_UNSIGNED_RIGHT_SHIFT(int i, int j) {
1.132 + return i >>> j;
1.133 + }
1.134 +
1.135 + @TestMe(LESS_THAN)
1.136 + public boolean test_LESS_THAN(int i, int j) {
1.137 + return i < j;
1.138 + }
1.139 +
1.140 + @TestMe(GREATER_THAN)
1.141 + public boolean test_GREATER_THAN(int i, int j) {
1.142 + return i > j;
1.143 + }
1.144 +
1.145 + @TestMe(LESS_THAN_EQUAL)
1.146 + public boolean test_LESS_THAN_EQUAL(int i, int j) {
1.147 + return i <= j;
1.148 + }
1.149 +
1.150 + @TestMe(GREATER_THAN_EQUAL)
1.151 + public boolean test_GREATER_THAN_EQUAL(int i, int j) {
1.152 + return i >= j;
1.153 + }
1.154 +
1.155 + @TestMe(EQUAL_TO)
1.156 + public boolean test_EQUAL_TO(int i, int j) {
1.157 + return i == j;
1.158 + }
1.159 +
1.160 + @TestMe(NOT_EQUAL_TO)
1.161 + public boolean test_NOT_EQUAL_TO(int i, int j) {
1.162 + return i != j;
1.163 + }
1.164 +
1.165 + @TestMe(AND)
1.166 + public boolean test_AND(boolean a, boolean b) {
1.167 + return a & b;
1.168 + }
1.169 +
1.170 + @TestMe(XOR)
1.171 + public boolean test_XOR(boolean a, boolean b) {
1.172 + return a ^ b;
1.173 + }
1.174 +
1.175 + @TestMe(OR)
1.176 + public boolean test_OR(boolean a, boolean b) {
1.177 + return a | b;
1.178 + }
1.179 +
1.180 + @TestMe(CONDITIONAL_AND)
1.181 + public boolean test_CONDITIONAL_AND(boolean a, boolean b) {
1.182 + return a && b;
1.183 + }
1.184 +
1.185 + @TestMe(CONDITIONAL_OR)
1.186 + public boolean test_CONDITIONAL_OR(boolean a, boolean b) {
1.187 + return a || b;
1.188 + }
1.189 +
1.190 + @TestMe(MULTIPLY_ASSIGNMENT)
1.191 + public int test_MULTIPLY_ASSIGNMENT(int i, int j) {
1.192 + return i *= j;
1.193 + }
1.194 +
1.195 + @TestMe(DIVIDE_ASSIGNMENT)
1.196 + public int test_DIVIDE_ASSIGNMENT(int i, int j) {
1.197 + return i /= j;
1.198 + }
1.199 +
1.200 + @TestMe(REMAINDER_ASSIGNMENT)
1.201 + public int test_REMAINDER_ASSIGNMENT(int i, int j) {
1.202 + return i %= j;
1.203 + }
1.204 +
1.205 + @TestMe(PLUS_ASSIGNMENT)
1.206 + public int test_PLUS_ASSIGNMENT(int i, int j) {
1.207 + return i += j;
1.208 + }
1.209 +
1.210 + @TestMe(MINUS_ASSIGNMENT)
1.211 + public int test_MINUS_ASSIGNMENT(int i, int j) {
1.212 + return i -= j;
1.213 + }
1.214 +
1.215 + @TestMe(LEFT_SHIFT_ASSIGNMENT)
1.216 + public int test_LEFT_SHIFT_ASSIGNMENT(int i, int j) {
1.217 + return i <<= j;
1.218 + }
1.219 +
1.220 + @TestMe(RIGHT_SHIFT_ASSIGNMENT)
1.221 + public int test_RIGHT_SHIFT_ASSIGNMENT(int i, int j) {
1.222 + return i >>= j;
1.223 + }
1.224 +
1.225 + @TestMe(UNSIGNED_RIGHT_SHIFT_ASSIGNMENT)
1.226 + public int test_UNSIGNED_RIGHT_SHIFT_ASSIGNMENT(int i, int j) {
1.227 + return i >>>= j;
1.228 + }
1.229 +
1.230 + @TestMe(AND_ASSIGNMENT)
1.231 + public boolean test_AND_ASSIGNMENT(boolean a, boolean b) {
1.232 + return a &= b;
1.233 + }
1.234 +
1.235 + @TestMe(XOR_ASSIGNMENT)
1.236 + public boolean test_XOR_ASSIGNMENT(boolean a, boolean b) {
1.237 + return a ^= b;
1.238 + }
1.239 +
1.240 + @TestMe(OR_ASSIGNMENT)
1.241 + public boolean test_OR_ASSIGNMENT(boolean a, boolean b) {
1.242 + return a |= b;
1.243 + }
1.244 +
1.245 + @TestMe(INT_LITERAL)
1.246 + public Object test_INT_LITERAL() {
1.247 + return 0;
1.248 + }
1.249 +
1.250 + @TestMe(LONG_LITERAL)
1.251 + public Object test_LONG_LITERAL() {
1.252 + return 0L;
1.253 + }
1.254 +
1.255 + @TestMe(FLOAT_LITERAL)
1.256 + public Object test_FLOAT_LITERAL() {
1.257 + return 0.0F;
1.258 + }
1.259 +
1.260 + @TestMe(DOUBLE_LITERAL)
1.261 + public Object test_DOUBLE_LITERAL() {
1.262 + return 0.0;
1.263 + }
1.264 +
1.265 + @TestMe(BOOLEAN_LITERAL)
1.266 + public Object test_BOOLEAN_LITERAL() {
1.267 + return true;
1.268 + }
1.269 +
1.270 + @TestMe(CHAR_LITERAL)
1.271 + public Object test_CHAR_LITERAL() {
1.272 + return 'a';
1.273 + }
1.274 +
1.275 + @TestMe(STRING_LITERAL)
1.276 + public Object test_STRING_LITERAL() {
1.277 + return "a";
1.278 + }
1.279 +
1.280 + @TestMe(NULL_LITERAL)
1.281 + public Object test_NULL_LITERAL() {
1.282 + return null;
1.283 + }
1.284 +
1.285 + @TestMe(UNBOUNDED_WILDCARD)
1.286 + public Set<?> test_UNBOUNDED_WILDCARD() {
1.287 + return null;
1.288 + }
1.289 +
1.290 + @TestMe(EXTENDS_WILDCARD)
1.291 + public Set<? extends Number> test_EXTENDS_WILDCARD() {
1.292 + return null;
1.293 + }
1.294 +
1.295 + @TestMe(SUPER_WILDCARD)
1.296 + public Set<? super Number> test_SUPER_WILDCARD() {
1.297 + return null;
1.298 + }
1.299 +
1.300 + public boolean process(Set<? extends TypeElement> annotations,
1.301 + RoundEnvironment roundEnvironment)
1.302 + {
1.303 + final Trees trees = Trees.instance(processingEnv);
1.304 + final Messager log = processingEnv.getMessager();
1.305 + final Elements elements = processingEnv.getElementUtils();
1.306 + class Scan extends ElementScanner<Void,Void> {
1.307 + @Override
1.308 + public Void visitExecutable(ExecutableElement e, Void p) {
1.309 + Object debug = e; // info for exception handler
1.310 + try {
1.311 + TestMe info = e.getAnnotation(TestMe.class);
1.312 + if (info == null)
1.313 + return null;
1.314 +
1.315 + Tree.Kind kind = info.value();
1.316 + MethodTree node = trees.getTree(e);
1.317 + debug = node;
1.318 + Tree testNode;
1.319 + switch (kind) {
1.320 + case UNBOUNDED_WILDCARD:
1.321 + case EXTENDS_WILDCARD:
1.322 + case SUPER_WILDCARD:
1.323 + ParameterizedTypeTree typeTree;
1.324 + typeTree = (ParameterizedTypeTree) node.getReturnType();
1.325 + testNode = typeTree.getTypeArguments().get(0);
1.326 + break;
1.327 + default:
1.328 + ReturnTree returnNode;
1.329 + returnNode = (ReturnTree) node.getBody().getStatements().get(0);
1.330 + testNode = returnNode.getExpression();
1.331 + }
1.332 + if (testNode.getKind() != kind) {
1.333 + log.printMessage(ERROR, testNode.getKind() + " != " + kind, e);
1.334 + throw new AssertionError(testNode);
1.335 + }
1.336 + System.err.format("OK: %32s %s%n", kind, testNode);
1.337 + } catch (Error ex) {
1.338 + System.err.println("Error while looking at " + debug);
1.339 + throw ex;
1.340 + }
1.341 + return null;
1.342 + }
1.343 + }
1.344 + Scan scan = new Scan();
1.345 + for (Element e : roundEnvironment.getRootElements()) {
1.346 + scan.scan(e);
1.347 + }
1.348 + return true;
1.349 + }
1.350 +}
