Java Code Examples for com.sun.tools.classfile.ClassFile#getAttribute()
The following examples show how to use
com.sun.tools.classfile.ClassFile#getAttribute() .
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Example 1
| Source File: DeprecatedTest.java From openjdk-jdk9 with GNU General Public License v2.0 | 6 votes |
|
private void testInnerClasses(ClassFile cf, Map<String, ? extends JavaFileObject> classes)
throws ConstantPoolException, IOException {
InnerClasses_attribute innerAttr = (InnerClasses_attribute)
cf.getAttribute(Attribute.InnerClasses);
for (Info innerClass : innerAttr.classes) {
String innerClassName = cf.constant_pool.
getClassInfo(innerClass.inner_class_info_index).getName();
echo("Testing inner class : " + innerClassName);
ClassFile innerCf = readClassFile(classes.get(innerClassName));
Deprecated_attribute attr = (Deprecated_attribute)
innerCf.getAttribute(Attribute.Deprecated);
String innerClassSimpleName = innerClass.getInnerName(cf.constant_pool);
testAttribute(innerClassSimpleName, attr, innerCf);
if (innerClassName.contains("Local")) {
testMethods(innerCf);
testFields(innerCf);
}
}
}
Example 2
| Source File: DeprecatedTest.java From openjdk-jdk9 with GNU General Public License v2.0 | 6 votes |
|
private void test(String src) {
addTestCase(src);
printf("Testing test case :\n%s\n", src);
try {
Map<String, ? extends JavaFileObject> classes = compile(src).getClasses();
String outerClassName = classes.containsKey("deprecated")
? "deprecated"
: "notDeprecated";
echo("Testing outer class : " + outerClassName);
ClassFile cf = readClassFile(classes.get(outerClassName));
Deprecated_attribute attr = (Deprecated_attribute)
cf.getAttribute(Attribute.Deprecated);
testAttribute(outerClassName, attr, cf);
testInnerClasses(cf, classes);
testMethods(cf);
testFields(cf);
} catch (Exception e) {
addFailure(e);
}
}
Example 3
| Source File: TestBootstrapMethodsCount.java From openjdk-jdk9 with GNU General Public License v2.0 | 6 votes |
|
void verifyBytecode() {
File compiledTest = new File("Test.class");
try {
ClassFile cf = ClassFile.read(compiledTest);
BootstrapMethods_attribute bsm_attr =
(BootstrapMethods_attribute)cf
.getAttribute(Attribute.BootstrapMethods);
int length = bsm_attr.bootstrap_method_specifiers.length;
if (length != 1) {
throw new Error("Bad number of method specifiers " +
"in BootstrapMethods attribute: " + length);
}
} catch (Exception e) {
e.printStackTrace();
throw new Error("error reading " + compiledTest +": " + e);
}
}
Example 4
| Source File: T4241573.java From openjdk-jdk9 with GNU General Public License v2.0 | 5 votes |
|
/** Check the SourceFileAttribute is the simple name of the original source file. */
void verifySourceFileAttribute(File f) {
System.err.println("verify: " + f);
try {
ClassFile cf = ClassFile.read(f);
SourceFile_attribute sfa = (SourceFile_attribute) cf.getAttribute(Attribute.SourceFile);
String found = sfa.getSourceFile(cf.constant_pool);
String expect = f.getName().replaceAll("([$.].*)?\\.class", ".java");
if (!expect.equals(found)) {
error("bad value found: " + found + ", expected: " + expect);
}
} catch (Exception e) {
error("error reading " + f +": " + e);
}
}
Example 5
| Source File: T4241573.java From openjdk-8-source with GNU General Public License v2.0 | 5 votes |
|
/** Check the SourceFileAttribute is the simple name of the original source file. */
void verifySourceFileAttribute(File f) {
System.err.println("verify: " + f);
try {
ClassFile cf = ClassFile.read(f);
SourceFile_attribute sfa = (SourceFile_attribute) cf.getAttribute(Attribute.SourceFile);
String found = sfa.getSourceFile(cf.constant_pool);
String expect = f.getName().replaceAll("([$.].*)?\\.class", ".java");
if (!expect.equals(found)) {
error("bad value found: " + found + ", expected: " + expect);
}
} catch (Exception e) {
error("error reading " + f +": " + e);
}
}
Example 6
| Source File: T4241573.java From hottub with GNU General Public License v2.0 | 5 votes |
|
/** Check the SourceFileAttribute is the simple name of the original source file. */
void verifySourceFileAttribute(File f) {
System.err.println("verify: " + f);
try {
ClassFile cf = ClassFile.read(f);
SourceFile_attribute sfa = (SourceFile_attribute) cf.getAttribute(Attribute.SourceFile);
String found = sfa.getSourceFile(cf.constant_pool);
String expect = f.getName().replaceAll("([$.].*)?\\.class", ".java");
if (!expect.equals(found)) {
error("bad value found: " + found + ", expected: " + expect);
}
} catch (Exception e) {
error("error reading " + f +": " + e);
}
}
Example 7
| Source File: ModuleTestBase.java From openjdk-jdk9 with GNU General Public License v2.0 | 5 votes |
|
protected void testModuleAttribute(Path modulePath, ModuleDescriptor moduleDescriptor) throws Exception {
ClassFile classFile = ClassFile.read(modulePath.resolve("module-info.class"));
Module_attribute moduleAttribute = (Module_attribute) classFile.getAttribute("Module");
ConstantPool constantPool = classFile.constant_pool;
testModuleName(moduleDescriptor, moduleAttribute, constantPool);
testModuleFlags(moduleDescriptor, moduleAttribute);
testRequires(moduleDescriptor, moduleAttribute, constantPool);
testExports(moduleDescriptor, moduleAttribute, constantPool);
testOpens(moduleDescriptor, moduleAttribute, constantPool);
testProvides(moduleDescriptor, moduleAttribute, constantPool);
testUses(moduleDescriptor, moduleAttribute, constantPool);
}
Example 8
| Source File: InnerClassesIndexTest.java From openjdk-jdk9 with GNU General Public License v2.0 | 5 votes |
|
public void test() throws TestFailedException {
try {
addTestCase("Source is InnerClassesIndexTest.java");
ClassFile classFile = readClassFile(InnerClassesIndexTest.class);
InnerClasses_attribute attr = (InnerClasses_attribute)
classFile.getAttribute(Attribute.InnerClasses);
Set<String> foundClasses = new HashSet<>();
for (Info info : attr.classes) {
String innerName = classFile.constant_pool.
getClassInfo(info.inner_class_info_index).getBaseName();
echo("Testing class : " + innerName);
if (isExcluded(innerName)) {
echo("Ignored : " + innerName);
continue;
}
foundClasses.add(innerName);
checkEquals(info.outer_class_info_index, 0,
"outer_class_info_index of " + innerName);
if (innerName.matches("\\$\\d+")) {
checkEquals(info.inner_name_index, 0,
"inner_name_index of anonymous class");
}
}
Set<String> expectedClasses = getInnerClasses();
expectedClasses.remove("InnerClassesIndexTest$Inner");
checkEquals(foundClasses, expectedClasses, "All classes are found");
} catch (Exception e) {
addFailure(e);
} finally {
checkStatus();
}
}
Example 9
| Source File: DeprecatedPackageTest.java From openjdk-jdk9 with GNU General Public License v2.0 | 5 votes |
|
private void test(String package_info, String src) {
addTestCase(src);
printf("Testing test case: \n%s\n", src);
try {
ClassFile cf = readClassFile(compile(
new String[]{"package-info.java", package_info},
new String[]{"notDeprecated.java", src})
.getClasses().get(CLASS_NAME));
Deprecated_attribute attr =
(Deprecated_attribute) cf.getAttribute(Attribute.Deprecated);
checkNull(attr, "Class can not have deprecated attribute : " + CLASS_NAME);
} catch (Exception e) {
addFailure(e);
}
}
Example 10
| Source File: T4241573.java From openjdk-jdk8u-backup with GNU General Public License v2.0 | 5 votes |
|
/** Check the SourceFileAttribute is the simple name of the original source file. */
void verifySourceFileAttribute(File f) {
System.err.println("verify: " + f);
try {
ClassFile cf = ClassFile.read(f);
SourceFile_attribute sfa = (SourceFile_attribute) cf.getAttribute(Attribute.SourceFile);
String found = sfa.getSourceFile(cf.constant_pool);
String expect = f.getName().replaceAll("([$.].*)?\\.class", ".java");
if (!expect.equals(found)) {
error("bad value found: " + found + ", expected: " + expect);
}
} catch (Exception e) {
error("error reading " + f +": " + e);
}
}
Example 11
| Source File: T4241573.java From openjdk-jdk8u with GNU General Public License v2.0 | 5 votes |
|
/** Check the SourceFileAttribute is the simple name of the original source file. */
void verifySourceFileAttribute(File f) {
System.err.println("verify: " + f);
try {
ClassFile cf = ClassFile.read(f);
SourceFile_attribute sfa = (SourceFile_attribute) cf.getAttribute(Attribute.SourceFile);
String found = sfa.getSourceFile(cf.constant_pool);
String expect = f.getName().replaceAll("([$.].*)?\\.class", ".java");
if (!expect.equals(found)) {
error("bad value found: " + found + ", expected: " + expect);
}
} catch (Exception e) {
error("error reading " + f +": " + e);
}
}
Example 12
| Source File: T4241573.java From openjdk-8 with GNU General Public License v2.0 | 5 votes |
|
/** Check the SourceFileAttribute is the simple name of the original source file. */
void verifySourceFileAttribute(File f) {
System.err.println("verify: " + f);
try {
ClassFile cf = ClassFile.read(f);
SourceFile_attribute sfa = (SourceFile_attribute) cf.getAttribute(Attribute.SourceFile);
String found = sfa.getSourceFile(cf.constant_pool);
String expect = f.getName().replaceAll("([$.].*)?\\.class", ".java");
if (!expect.equals(found)) {
error("bad value found: " + found + ", expected: " + expect);
}
} catch (Exception e) {
error("error reading " + f +": " + e);
}
}
Example 13
| Source File: TestLambdaBytecode.java From openjdk-jdk9 with GNU General Public License v2.0 | 4 votes |
|
void verifyBytecode(Result<Iterable<? extends JavaFileObject>> res) {
if (res.hasErrors()) {
boolean errorExpected = !mk1.isOK() || !mk2.isOK();
errorExpected |= mk1.isStatic() && !mk2.isStatic();
if (!errorExpected) {
fail("Diags found when compiling instance; " + res.compilationInfo());
}
return;
}
try (InputStream is = res.get().iterator().next().openInputStream()) {
ClassFile cf = ClassFile.read(is);
Method testMethod = null;
for (Method m : cf.methods) {
if (m.getName(cf.constant_pool).equals("test")) {
testMethod = m;
break;
}
}
if (testMethod == null) {
fail("Test method not found");
return;
}
Code_attribute ea =
(Code_attribute)testMethod.attributes.get(Attribute.Code);
if (testMethod == null) {
fail("Code attribute for test() method not found");
return;
}
int bsmIdx = -1;
for (Instruction i : ea.getInstructions()) {
if (i.getMnemonic().equals("invokedynamic")) {
CONSTANT_InvokeDynamic_info indyInfo =
(CONSTANT_InvokeDynamic_info)cf
.constant_pool.get(i.getShort(1));
bsmIdx = indyInfo.bootstrap_method_attr_index;
if (!indyInfo.getNameAndTypeInfo().getType().equals(makeIndyType())) {
fail("type mismatch for CONSTANT_InvokeDynamic_info " +
res.compilationInfo() + "\n" + indyInfo.getNameAndTypeInfo().getType() +
"\n" + makeIndyType());
return;
}
}
}
if (bsmIdx == -1) {
fail("Missing invokedynamic in generated code");
return;
}
BootstrapMethods_attribute bsm_attr =
(BootstrapMethods_attribute)cf
.getAttribute(Attribute.BootstrapMethods);
if (bsm_attr.bootstrap_method_specifiers.length != 1) {
fail("Bad number of method specifiers " +
"in BootstrapMethods attribute");
return;
}
BootstrapMethods_attribute.BootstrapMethodSpecifier bsm_spec =
bsm_attr.bootstrap_method_specifiers[0];
if (bsm_spec.bootstrap_arguments.length != MF_ARITY) {
fail("Bad number of static invokedynamic args " +
"in BootstrapMethod attribute");
return;
}
CONSTANT_MethodHandle_info mh =
(CONSTANT_MethodHandle_info)cf.constant_pool.get(bsm_spec.bootstrap_arguments[1]);
boolean kindOK;
switch (mh.reference_kind) {
case REF_invokeStatic: kindOK = mk2.isStatic(); break;
case REF_invokeSpecial: kindOK = !mk2.isStatic(); break;
case REF_invokeInterface: kindOK = mk2.inInterface(); break;
default:
kindOK = false;
}
if (!kindOK) {
fail("Bad invoke kind in implementation method handle");
return;
}
if (!mh.getCPRefInfo().getNameAndTypeInfo().getType().toString().equals(MH_SIG)) {
fail("Type mismatch in implementation method handle");
return;
}
} catch (Exception e) {
e.printStackTrace();
fail("error reading " + res.compilationInfo() + ": " + e);
}
}
Example 14
| Source File: TestLambdaBytecode.java From TencentKona-8 with GNU General Public License v2.0 | 4 votes |
|
void verifyBytecode(int id, JavaSource source) {
File compiledTest = new File(String.format("Test%d.class", id));
try {
ClassFile cf = ClassFile.read(compiledTest);
Method testMethod = null;
for (Method m : cf.methods) {
if (m.getName(cf.constant_pool).equals("test")) {
testMethod = m;
break;
}
}
if (testMethod == null) {
throw new Error("Test method not found");
}
Code_attribute ea =
(Code_attribute)testMethod.attributes.get(Attribute.Code);
if (testMethod == null) {
throw new Error("Code attribute for test() method not found");
}
int bsmIdx = -1;
for (Instruction i : ea.getInstructions()) {
if (i.getMnemonic().equals("invokedynamic")) {
CONSTANT_InvokeDynamic_info indyInfo =
(CONSTANT_InvokeDynamic_info)cf
.constant_pool.get(i.getShort(1));
bsmIdx = indyInfo.bootstrap_method_attr_index;
if (!indyInfo.getNameAndTypeInfo().getType().equals(makeIndyType(id))) {
throw new
AssertionError("type mismatch for CONSTANT_InvokeDynamic_info " + source.source + "\n" + indyInfo.getNameAndTypeInfo().getType() + "\n" + makeIndyType(id));
}
}
}
if (bsmIdx == -1) {
throw new Error("Missing invokedynamic in generated code");
}
BootstrapMethods_attribute bsm_attr =
(BootstrapMethods_attribute)cf
.getAttribute(Attribute.BootstrapMethods);
if (bsm_attr.bootstrap_method_specifiers.length != 1) {
throw new Error("Bad number of method specifiers " +
"in BootstrapMethods attribute");
}
BootstrapMethods_attribute.BootstrapMethodSpecifier bsm_spec =
bsm_attr.bootstrap_method_specifiers[0];
if (bsm_spec.bootstrap_arguments.length != MF_ARITY) {
throw new Error("Bad number of static invokedynamic args " +
"in BootstrapMethod attribute");
}
CONSTANT_MethodHandle_info mh =
(CONSTANT_MethodHandle_info)cf.constant_pool.get(bsm_spec.bootstrap_arguments[1]);
boolean kindOK;
switch (mh.reference_kind) {
case REF_invokeStatic: kindOK = mk2.isStatic(); break;
case REF_invokeSpecial: kindOK = !mk2.isStatic(); break;
case REF_invokeInterface: kindOK = mk2.inInterface(); break;
default:
kindOK = false;
}
if (!kindOK) {
throw new Error("Bad invoke kind in implementation method handle");
}
if (!mh.getCPRefInfo().getNameAndTypeInfo().getType().toString().equals(MH_SIG)) {
throw new Error("Type mismatch in implementation method handle");
}
} catch (Exception e) {
e.printStackTrace();
throw new Error("error reading " + compiledTest +": " + e);
}
}
Example 15
| Source File: TestLambdaBytecode.java From openjdk-jdk8u-backup with GNU General Public License v2.0 | 4 votes |
|
void verifyBytecode(int id, JavaSource source) {
File compiledTest = new File(String.format("Test%d.class", id));
try {
ClassFile cf = ClassFile.read(compiledTest);
Method testMethod = null;
for (Method m : cf.methods) {
if (m.getName(cf.constant_pool).equals("test")) {
testMethod = m;
break;
}
}
if (testMethod == null) {
throw new Error("Test method not found");
}
Code_attribute ea =
(Code_attribute)testMethod.attributes.get(Attribute.Code);
if (testMethod == null) {
throw new Error("Code attribute for test() method not found");
}
int bsmIdx = -1;
for (Instruction i : ea.getInstructions()) {
if (i.getMnemonic().equals("invokedynamic")) {
CONSTANT_InvokeDynamic_info indyInfo =
(CONSTANT_InvokeDynamic_info)cf
.constant_pool.get(i.getShort(1));
bsmIdx = indyInfo.bootstrap_method_attr_index;
if (!indyInfo.getNameAndTypeInfo().getType().equals(makeIndyType(id))) {
throw new
AssertionError("type mismatch for CONSTANT_InvokeDynamic_info " + source.source + "\n" + indyInfo.getNameAndTypeInfo().getType() + "\n" + makeIndyType(id));
}
}
}
if (bsmIdx == -1) {
throw new Error("Missing invokedynamic in generated code");
}
BootstrapMethods_attribute bsm_attr =
(BootstrapMethods_attribute)cf
.getAttribute(Attribute.BootstrapMethods);
if (bsm_attr.bootstrap_method_specifiers.length != 1) {
throw new Error("Bad number of method specifiers " +
"in BootstrapMethods attribute");
}
BootstrapMethods_attribute.BootstrapMethodSpecifier bsm_spec =
bsm_attr.bootstrap_method_specifiers[0];
if (bsm_spec.bootstrap_arguments.length != MF_ARITY) {
throw new Error("Bad number of static invokedynamic args " +
"in BootstrapMethod attribute");
}
CONSTANT_MethodHandle_info mh =
(CONSTANT_MethodHandle_info)cf.constant_pool.get(bsm_spec.bootstrap_arguments[1]);
boolean kindOK;
switch (mh.reference_kind) {
case REF_invokeStatic: kindOK = mk2.isStatic(); break;
case REF_invokeSpecial: kindOK = !mk2.isStatic(); break;
case REF_invokeInterface: kindOK = mk2.inInterface(); break;
default:
kindOK = false;
}
if (!kindOK) {
throw new Error("Bad invoke kind in implementation method handle");
}
if (!mh.getCPRefInfo().getNameAndTypeInfo().getType().toString().equals(MH_SIG)) {
throw new Error("Type mismatch in implementation method handle");
}
} catch (Exception e) {
e.printStackTrace();
throw new Error("error reading " + compiledTest +": " + e);
}
}
Example 16
| Source File: TestLambdaBytecode.java From openjdk-jdk8u with GNU General Public License v2.0 | 4 votes |
|
void verifyBytecode(int id, JavaSource source) {
File compiledTest = new File(String.format("Test%d.class", id));
try {
ClassFile cf = ClassFile.read(compiledTest);
Method testMethod = null;
for (Method m : cf.methods) {
if (m.getName(cf.constant_pool).equals("test")) {
testMethod = m;
break;
}
}
if (testMethod == null) {
throw new Error("Test method not found");
}
Code_attribute ea =
(Code_attribute)testMethod.attributes.get(Attribute.Code);
if (testMethod == null) {
throw new Error("Code attribute for test() method not found");
}
int bsmIdx = -1;
for (Instruction i : ea.getInstructions()) {
if (i.getMnemonic().equals("invokedynamic")) {
CONSTANT_InvokeDynamic_info indyInfo =
(CONSTANT_InvokeDynamic_info)cf
.constant_pool.get(i.getShort(1));
bsmIdx = indyInfo.bootstrap_method_attr_index;
if (!indyInfo.getNameAndTypeInfo().getType().equals(makeIndyType(id))) {
throw new
AssertionError("type mismatch for CONSTANT_InvokeDynamic_info " + source.source + "\n" + indyInfo.getNameAndTypeInfo().getType() + "\n" + makeIndyType(id));
}
}
}
if (bsmIdx == -1) {
throw new Error("Missing invokedynamic in generated code");
}
BootstrapMethods_attribute bsm_attr =
(BootstrapMethods_attribute)cf
.getAttribute(Attribute.BootstrapMethods);
if (bsm_attr.bootstrap_method_specifiers.length != 1) {
throw new Error("Bad number of method specifiers " +
"in BootstrapMethods attribute");
}
BootstrapMethods_attribute.BootstrapMethodSpecifier bsm_spec =
bsm_attr.bootstrap_method_specifiers[0];
if (bsm_spec.bootstrap_arguments.length != MF_ARITY) {
throw new Error("Bad number of static invokedynamic args " +
"in BootstrapMethod attribute");
}
CONSTANT_MethodHandle_info mh =
(CONSTANT_MethodHandle_info)cf.constant_pool.get(bsm_spec.bootstrap_arguments[1]);
boolean kindOK;
switch (mh.reference_kind) {
case REF_invokeStatic: kindOK = mk2.isStatic(); break;
case REF_invokeSpecial: kindOK = !mk2.isStatic(); break;
case REF_invokeInterface: kindOK = mk2.inInterface(); break;
default:
kindOK = false;
}
if (!kindOK) {
throw new Error("Bad invoke kind in implementation method handle");
}
if (!mh.getCPRefInfo().getNameAndTypeInfo().getType().toString().equals(MH_SIG)) {
throw new Error("Type mismatch in implementation method handle");
}
} catch (Exception e) {
e.printStackTrace();
throw new Error("error reading " + compiledTest +": " + e);
}
}
Example 17
| Source File: TestLambdaBytecode.java From hottub with GNU General Public License v2.0 | 4 votes |
|
void verifyBytecode(int id, JavaSource source) {
File compiledTest = new File(String.format("Test%d.class", id));
try {
ClassFile cf = ClassFile.read(compiledTest);
Method testMethod = null;
for (Method m : cf.methods) {
if (m.getName(cf.constant_pool).equals("test")) {
testMethod = m;
break;
}
}
if (testMethod == null) {
throw new Error("Test method not found");
}
Code_attribute ea =
(Code_attribute)testMethod.attributes.get(Attribute.Code);
if (testMethod == null) {
throw new Error("Code attribute for test() method not found");
}
int bsmIdx = -1;
for (Instruction i : ea.getInstructions()) {
if (i.getMnemonic().equals("invokedynamic")) {
CONSTANT_InvokeDynamic_info indyInfo =
(CONSTANT_InvokeDynamic_info)cf
.constant_pool.get(i.getShort(1));
bsmIdx = indyInfo.bootstrap_method_attr_index;
if (!indyInfo.getNameAndTypeInfo().getType().equals(makeIndyType(id))) {
throw new
AssertionError("type mismatch for CONSTANT_InvokeDynamic_info " + source.source + "\n" + indyInfo.getNameAndTypeInfo().getType() + "\n" + makeIndyType(id));
}
}
}
if (bsmIdx == -1) {
throw new Error("Missing invokedynamic in generated code");
}
BootstrapMethods_attribute bsm_attr =
(BootstrapMethods_attribute)cf
.getAttribute(Attribute.BootstrapMethods);
if (bsm_attr.bootstrap_method_specifiers.length != 1) {
throw new Error("Bad number of method specifiers " +
"in BootstrapMethods attribute");
}
BootstrapMethods_attribute.BootstrapMethodSpecifier bsm_spec =
bsm_attr.bootstrap_method_specifiers[0];
if (bsm_spec.bootstrap_arguments.length != MF_ARITY) {
throw new Error("Bad number of static invokedynamic args " +
"in BootstrapMethod attribute");
}
CONSTANT_MethodHandle_info mh =
(CONSTANT_MethodHandle_info)cf.constant_pool.get(bsm_spec.bootstrap_arguments[1]);
boolean kindOK;
switch (mh.reference_kind) {
case REF_invokeStatic: kindOK = mk2.isStatic(); break;
case REF_invokeSpecial: kindOK = !mk2.isStatic(); break;
case REF_invokeInterface: kindOK = mk2.inInterface(); break;
default:
kindOK = false;
}
if (!kindOK) {
throw new Error("Bad invoke kind in implementation method handle");
}
if (!mh.getCPRefInfo().getNameAndTypeInfo().getType().toString().equals(MH_SIG)) {
throw new Error("Type mismatch in implementation method handle");
}
} catch (Exception e) {
e.printStackTrace();
throw new Error("error reading " + compiledTest +": " + e);
}
}
Example 18
| Source File: TestLambdaBytecode.java From jdk8u60 with GNU General Public License v2.0 | 4 votes |
|
void verifyBytecode(int id, JavaSource source) {
File compiledTest = new File(String.format("Test%d.class", id));
try {
ClassFile cf = ClassFile.read(compiledTest);
Method testMethod = null;
for (Method m : cf.methods) {
if (m.getName(cf.constant_pool).equals("test")) {
testMethod = m;
break;
}
}
if (testMethod == null) {
throw new Error("Test method not found");
}
Code_attribute ea =
(Code_attribute)testMethod.attributes.get(Attribute.Code);
if (testMethod == null) {
throw new Error("Code attribute for test() method not found");
}
int bsmIdx = -1;
for (Instruction i : ea.getInstructions()) {
if (i.getMnemonic().equals("invokedynamic")) {
CONSTANT_InvokeDynamic_info indyInfo =
(CONSTANT_InvokeDynamic_info)cf
.constant_pool.get(i.getShort(1));
bsmIdx = indyInfo.bootstrap_method_attr_index;
if (!indyInfo.getNameAndTypeInfo().getType().equals(makeIndyType(id))) {
throw new
AssertionError("type mismatch for CONSTANT_InvokeDynamic_info " + source.source + "\n" + indyInfo.getNameAndTypeInfo().getType() + "\n" + makeIndyType(id));
}
}
}
if (bsmIdx == -1) {
throw new Error("Missing invokedynamic in generated code");
}
BootstrapMethods_attribute bsm_attr =
(BootstrapMethods_attribute)cf
.getAttribute(Attribute.BootstrapMethods);
if (bsm_attr.bootstrap_method_specifiers.length != 1) {
throw new Error("Bad number of method specifiers " +
"in BootstrapMethods attribute");
}
BootstrapMethods_attribute.BootstrapMethodSpecifier bsm_spec =
bsm_attr.bootstrap_method_specifiers[0];
if (bsm_spec.bootstrap_arguments.length != MF_ARITY) {
throw new Error("Bad number of static invokedynamic args " +
"in BootstrapMethod attribute");
}
CONSTANT_MethodHandle_info mh =
(CONSTANT_MethodHandle_info)cf.constant_pool.get(bsm_spec.bootstrap_arguments[1]);
boolean kindOK;
switch (mh.reference_kind) {
case REF_invokeStatic: kindOK = mk2.isStatic(); break;
case REF_invokeSpecial: kindOK = !mk2.isStatic(); break;
case REF_invokeInterface: kindOK = mk2.inInterface(); break;
default:
kindOK = false;
}
if (!kindOK) {
throw new Error("Bad invoke kind in implementation method handle");
}
if (!mh.getCPRefInfo().getNameAndTypeInfo().getType().toString().equals(MH_SIG)) {
throw new Error("Type mismatch in implementation method handle");
}
} catch (Exception e) {
e.printStackTrace();
throw new Error("error reading " + compiledTest +": " + e);
}
}
Example 19
| Source File: TestLambdaBytecode.java From openjdk-8-source with GNU General Public License v2.0 | 4 votes |
|
void verifyBytecode(int id, JavaSource source) {
File compiledTest = new File(String.format("Test%d.class", id));
try {
ClassFile cf = ClassFile.read(compiledTest);
Method testMethod = null;
for (Method m : cf.methods) {
if (m.getName(cf.constant_pool).equals("test")) {
testMethod = m;
break;
}
}
if (testMethod == null) {
throw new Error("Test method not found");
}
Code_attribute ea =
(Code_attribute)testMethod.attributes.get(Attribute.Code);
if (testMethod == null) {
throw new Error("Code attribute for test() method not found");
}
int bsmIdx = -1;
for (Instruction i : ea.getInstructions()) {
if (i.getMnemonic().equals("invokedynamic")) {
CONSTANT_InvokeDynamic_info indyInfo =
(CONSTANT_InvokeDynamic_info)cf
.constant_pool.get(i.getShort(1));
bsmIdx = indyInfo.bootstrap_method_attr_index;
if (!indyInfo.getNameAndTypeInfo().getType().equals(makeIndyType(id))) {
throw new
AssertionError("type mismatch for CONSTANT_InvokeDynamic_info " + source.source + "\n" + indyInfo.getNameAndTypeInfo().getType() + "\n" + makeIndyType(id));
}
}
}
if (bsmIdx == -1) {
throw new Error("Missing invokedynamic in generated code");
}
BootstrapMethods_attribute bsm_attr =
(BootstrapMethods_attribute)cf
.getAttribute(Attribute.BootstrapMethods);
if (bsm_attr.bootstrap_method_specifiers.length != 1) {
throw new Error("Bad number of method specifiers " +
"in BootstrapMethods attribute");
}
BootstrapMethods_attribute.BootstrapMethodSpecifier bsm_spec =
bsm_attr.bootstrap_method_specifiers[0];
if (bsm_spec.bootstrap_arguments.length != MF_ARITY) {
throw new Error("Bad number of static invokedynamic args " +
"in BootstrapMethod attribute");
}
CONSTANT_MethodHandle_info mh =
(CONSTANT_MethodHandle_info)cf.constant_pool.get(bsm_spec.bootstrap_arguments[1]);
boolean kindOK;
switch (mh.reference_kind) {
case REF_invokeStatic: kindOK = mk2.isStatic(); break;
case REF_invokeSpecial: kindOK = !mk2.isStatic(); break;
case REF_invokeInterface: kindOK = mk2.inInterface(); break;
default:
kindOK = false;
}
if (!kindOK) {
throw new Error("Bad invoke kind in implementation method handle");
}
if (!mh.getCPRefInfo().getNameAndTypeInfo().getType().toString().equals(MH_SIG)) {
throw new Error("Type mismatch in implementation method handle");
}
} catch (Exception e) {
e.printStackTrace();
throw new Error("error reading " + compiledTest +": " + e);
}
}
Example 20
| Source File: TestLambdaBytecode.java From openjdk-8 with GNU General Public License v2.0 | 4 votes |
|
void verifyBytecode(int id, JavaSource source) {
File compiledTest = new File(String.format("Test%d.class", id));
try {
ClassFile cf = ClassFile.read(compiledTest);
Method testMethod = null;
for (Method m : cf.methods) {
if (m.getName(cf.constant_pool).equals("test")) {
testMethod = m;
break;
}
}
if (testMethod == null) {
throw new Error("Test method not found");
}
Code_attribute ea =
(Code_attribute)testMethod.attributes.get(Attribute.Code);
if (testMethod == null) {
throw new Error("Code attribute for test() method not found");
}
int bsmIdx = -1;
for (Instruction i : ea.getInstructions()) {
if (i.getMnemonic().equals("invokedynamic")) {
CONSTANT_InvokeDynamic_info indyInfo =
(CONSTANT_InvokeDynamic_info)cf
.constant_pool.get(i.getShort(1));
bsmIdx = indyInfo.bootstrap_method_attr_index;
if (!indyInfo.getNameAndTypeInfo().getType().equals(makeIndyType(id))) {
throw new
AssertionError("type mismatch for CONSTANT_InvokeDynamic_info " + source.source + "\n" + indyInfo.getNameAndTypeInfo().getType() + "\n" + makeIndyType(id));
}
}
}
if (bsmIdx == -1) {
throw new Error("Missing invokedynamic in generated code");
}
BootstrapMethods_attribute bsm_attr =
(BootstrapMethods_attribute)cf
.getAttribute(Attribute.BootstrapMethods);
if (bsm_attr.bootstrap_method_specifiers.length != 1) {
throw new Error("Bad number of method specifiers " +
"in BootstrapMethods attribute");
}
BootstrapMethods_attribute.BootstrapMethodSpecifier bsm_spec =
bsm_attr.bootstrap_method_specifiers[0];
if (bsm_spec.bootstrap_arguments.length != MF_ARITY) {
throw new Error("Bad number of static invokedynamic args " +
"in BootstrapMethod attribute");
}
CONSTANT_MethodHandle_info mh =
(CONSTANT_MethodHandle_info)cf.constant_pool.get(bsm_spec.bootstrap_arguments[1]);
boolean kindOK;
switch (mh.reference_kind) {
case REF_invokeStatic: kindOK = mk2.isStatic(); break;
case REF_invokeSpecial: kindOK = !mk2.isStatic(); break;
case REF_invokeInterface: kindOK = mk2.inInterface(); break;
default:
kindOK = false;
}
if (!kindOK) {
throw new Error("Bad invoke kind in implementation method handle");
}
if (!mh.getCPRefInfo().getNameAndTypeInfo().getType().toString().equals(MH_SIG)) {
throw new Error("Type mismatch in implementation method handle");
}
} catch (Exception e) {
e.printStackTrace();
throw new Error("error reading " + compiledTest +": " + e);
}
}
