| /* |
| * Copyright (c) 2014, 2015, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| /* |
| * @test |
| * @summary local variable table attribute test. |
| * @bug 8040097 |
| * @library /tools/lib /tools/javac/lib ../lib |
| * @modules jdk.compiler/com.sun.tools.javac.api |
| * jdk.compiler/com.sun.tools.javac.main |
| * jdk.compiler/com.sun.tools.javac.util |
| * jdk.jdeps/com.sun.tools.classfile |
| * jdk.jdeps/com.sun.tools.javap |
| * @build ToolBox LocalVariableTestBase TestBase InMemoryFileManager |
| * @compile -g LocalVariableTableTest.java |
| * @run main LocalVariableTableTest |
| */ |
| |
| import com.sun.tools.classfile.Code_attribute; |
| import com.sun.tools.classfile.LocalVariableTable_attribute; |
| |
| import java.io.IOException; |
| import java.util.Arrays; |
| import java.util.List; |
| import java.util.stream.Stream; |
| |
| import static java.util.stream.Collectors.toList; |
| |
| public class LocalVariableTableTest extends LocalVariableTestBase { |
| |
| public LocalVariableTableTest(Class<?> clazz) { |
| super(clazz); |
| } |
| |
| public static void main(String[] args) throws IOException { |
| new LocalVariableTableTest(LocalVariableTableTest.class).test(); |
| } |
| |
| @ExpectedLocals(name = "l", type = "D") |
| @ExpectedLocals(name = "i", type = "J") |
| public static void onlyTwoCellParameters(double l, long i) { |
| } |
| |
| @ExpectedLocals(name = "l", type = "D") |
| @ExpectedLocals(name = "dl", type = "D") |
| @ExpectedLocals(name = "i", type = "J") |
| @ExpectedLocals(name = "il", type = "J") |
| @ExpectedLocals(name = "d", type = "J") |
| @ExpectedLocals(name = "ll", type = "J") |
| public static void onlyTwoCellLocals(double l, long i, long d) { |
| double dl = 1.1; |
| long il = 1; |
| long ll = 1; |
| } |
| |
| @Override |
| protected List<VariableTable> getVariableTables(Code_attribute codeAttribute) { |
| return Stream.of(codeAttribute.attributes.attrs) |
| .filter(at -> at instanceof LocalVariableTable_attribute) |
| .map(at -> (LocalVariableTable_attribute) at) |
| .map((t) -> new LocalVariableTable(t)).collect(toList()); |
| } |
| |
| @ExpectedLocals(name = "l", type = "J") |
| @ExpectedLocals(name = "i", type = "I") |
| @ExpectedLocals(name = "d", type = "D") |
| @ExpectedLocals(name = "ll", type = "J") |
| @ExpectedLocals(name = "obj", type = "Ljava/lang/Object;") |
| @ExpectedLocals(name = "dd", type = "D") |
| @ExpectedLocals(name = "bb", type = "B") |
| @ExpectedLocals(name = "this", type = "LLocalVariableTableTest;") |
| public double longDoubleOverlap(long l, int i, double d) { |
| long ll = 1L; |
| Object obj = 2; |
| double dd = 3.0; |
| byte bb = 0; |
| return l + i + d + ll + Integer.valueOf(obj.toString()) + dd + bb; |
| } |
| |
| @ExpectedLocals(name = "bool", type = "Z") |
| @ExpectedLocals(name = "b", type = "B") |
| @ExpectedLocals(name = "ch", type = "C") |
| @ExpectedLocals(name = "sh", type = "S") |
| @ExpectedLocals(name = "i", type = "I") |
| @ExpectedLocals(name = "l", type = "J") |
| @ExpectedLocals(name = "d", type = "D") |
| @ExpectedLocals(name = "f", type = "F") |
| @ExpectedLocals(name = "ref", type = "Ljava/lang/Integer;") |
| @ExpectedLocals(name = "arr", type = "[Ljava/lang/Integer;") |
| @ExpectedLocals(name = "this", type = "LLocalVariableTableTest;") |
| public void allTypesWithoutParameters() { |
| boolean bool = true; |
| byte b = 0x1; |
| char ch = 'a'; |
| short sh = 1_1; |
| int i = -2; |
| long l = 1L; |
| float f = 1.1f; |
| double d = 0.1; |
| Integer ref = 2; |
| Integer[] arr = null; |
| } |
| |
| @ExpectedLocals(name = "bool", type = "Z") |
| @ExpectedLocals(name = "b", type = "B") |
| @ExpectedLocals(name = "ch", type = "C") |
| @ExpectedLocals(name = "sh", type = "S") |
| @ExpectedLocals(name = "i", type = "I") |
| @ExpectedLocals(name = "l", type = "J") |
| @ExpectedLocals(name = "d", type = "D") |
| @ExpectedLocals(name = "f", type = "F") |
| @ExpectedLocals(name = "ref", type = "Ljava/lang/Integer;") |
| @ExpectedLocals(name = "this", type = "LLocalVariableTableTest;") |
| public void allTypesWithParameters(boolean bool, byte b, char ch) { |
| short sh = 1_1; |
| int i = -2; |
| long l = 1L; |
| float f = 1.1f; |
| double d = 0.1; |
| Integer ref = 2; |
| } |
| |
| @ExpectedLocals(name = "list", type = "Ljava/util/List;") |
| @ExpectedLocals(name = "list2", type = "[Ljava/util/List;") |
| @ExpectedLocals(name = "p", type = "Ljava/lang/Object;") |
| @ExpectedLocals(name = "k", type = "Ljava/lang/Integer;") |
| @ExpectedLocals(name = "i", type = "I") |
| @ExpectedLocals(name = "this", type = "LLocalVariableTableTest;") |
| public <T extends List<Integer>, P, K extends Integer> void genericType(K k) { |
| T list = null; |
| int i = 0; |
| P p = null; |
| List<T>[] list2 = null; |
| } |
| |
| @ExpectedLocals(name = "this", type = "LLocalVariableTableTest;") |
| @ExpectedLocals(name = "inWhile", type = "I") |
| @ExpectedLocals(name = "inTry", type = "D") |
| @ExpectedLocals(name = "inSync", type = "F") |
| @ExpectedLocals(name = "inDo", type = "B") |
| @ExpectedLocals(name = "inFor", type = "J") |
| @ExpectedLocals(name = "s", type = "Ljava/util/stream/Stream;") |
| public void deepScope() { |
| { |
| while (true) { |
| int inWhile = 0; |
| for (long inFor : Arrays.asList(0)) { |
| try (Stream<? extends Integer> s = Stream.of(0)) { |
| double inTry = 0.0; |
| synchronized (this) { |
| float inSync = -1.0f; |
| do { |
| byte inDo = 0; |
| switch (1) { |
| default: |
| short inSwitch = 100; |
| } |
| } while (true); |
| } |
| } |
| } |
| } |
| } |
| } |
| |
| class LocalVariableTable implements VariableTable { |
| |
| final LocalVariableTable_attribute att; |
| |
| public LocalVariableTable(LocalVariableTable_attribute att) { |
| this.att = att; |
| } |
| |
| @Override |
| public int localVariableTableLength() { |
| return att.local_variable_table_length; |
| } |
| |
| @Override |
| public List<Entry> entries() { |
| return Stream.of(att.local_variable_table).map(LocalVariableTableEntry::new).collect(toList()); |
| } |
| |
| @Override |
| public int attributeLength() { |
| return att.attribute_length; |
| } |
| |
| private class LocalVariableTableEntry implements Entry { |
| |
| final LocalVariableTable_attribute.Entry entry; |
| |
| private LocalVariableTableEntry(LocalVariableTable_attribute.Entry entry) { |
| this.entry = entry; |
| } |
| |
| @Override |
| public int index() { |
| return entry.index; |
| } |
| |
| @Override |
| public int startPC() { |
| return entry.start_pc; |
| } |
| |
| @Override |
| public int length() { |
| return entry.length; |
| } |
| |
| @Override |
| public String name() { |
| return getString(entry.name_index); |
| } |
| |
| @Override |
| public String type() { |
| return getString(entry.descriptor_index); |
| } |
| |
| @Override |
| public String toString() { |
| return dump(); |
| } |
| } |
| } |
| } |
