WIP on Java8. Looking at lambda reloading first (required invokedynamic handling)

This commit is contained in:
Andy Clement
2014-02-13 10:39:32 -08:00
parent 8dff505b88
commit 9774e2a0d4
64 changed files with 745 additions and 140 deletions

6
j8code/.classpath Normal file
View File

@@ -0,0 +1,6 @@
<?xml version="1.0" encoding="UTF-8"?>
<classpath>
<classpathentry kind="src" path="src"/>
<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/J180_b128"/>
<classpathentry kind="output" path="bin"/>
</classpath>

17
j8code/.project Normal file
View File

@@ -0,0 +1,17 @@
<?xml version="1.0" encoding="UTF-8"?>
<projectDescription>
<name>j8code</name>
<comment></comment>
<projects>
</projects>
<buildSpec>
<buildCommand>
<name>org.eclipse.jdt.core.javabuilder</name>
<arguments>
</arguments>
</buildCommand>
</buildSpec>
<natures>
<nature>org.eclipse.jdt.core.javanature</nature>
</natures>
</projectDescription>

View File

@@ -0,0 +1,11 @@
eclipse.preferences.version=1
org.eclipse.jdt.core.compiler.codegen.inlineJsrBytecode=disabled
org.eclipse.jdt.core.compiler.codegen.targetPlatform=1.2
org.eclipse.jdt.core.compiler.codegen.unusedLocal=preserve
org.eclipse.jdt.core.compiler.compliance=1.4
org.eclipse.jdt.core.compiler.debug.lineNumber=generate
org.eclipse.jdt.core.compiler.debug.localVariable=generate
org.eclipse.jdt.core.compiler.debug.sourceFile=generate
org.eclipse.jdt.core.compiler.problem.assertIdentifier=warning
org.eclipse.jdt.core.compiler.problem.enumIdentifier=warning
org.eclipse.jdt.core.compiler.source=1.3

View File

@@ -0,0 +1,69 @@
package j8code;
import java.lang.invoke.CallSite;
import java.lang.invoke.LambdaMetafactory;
import java.lang.invoke.MethodHandle;
import java.lang.invoke.MethodHandles;
import java.lang.invoke.MethodType;
public class J8Helper {
public static Object simulateInvokeDynamic(Object lookup) {
try {
CallSite callsite = callLambdaMetaFactory(lookup);
// java.lang.invoke.ConstantCallSite@1e965684
// nameAndDescriptor at invokedynamic: m()Lbasic/LambdaA$Foo;
MethodHandles.Lookup caller = (MethodHandles.Lookup)lookup;
return callsite.dynamicInvoker().invokeWithArguments((Object[])null);//asType(MethodType.methodType())invoke(new Object[]{"m", MethodType.methodType(Class.forName("basic.LambdaA$Foo",false,caller.lookupClass().getClassLoader()))});
} catch (Throwable t) {
throw new RuntimeException(t);
}
}
public static CallSite callLambdaMetaFactory(Object lookup) throws Exception {
// At invokedynamic:
// bsmId = 0
// nameAndDescriptor = m()Lbasic/LambdaA$Foo;
// 0: #31 invokestatic java/lang/invoke/LambdaMetafactory.metafactory:
// (Ljava/lang/invoke/MethodHandles$Lookup;Ljava/lang/String;Ljava/lang/invoke/MethodType;Ljava/lang/invoke/MethodType;
// Ljava/lang/invoke/MethodHandle;Ljava/lang/invoke/MethodType;)Ljava/lang/invoke/CallSite;
// Method arguments:
// #32 ()I
// #33 invokestatic basic/LambdaA.lambda$run$0:()I
// #32 ()I
// First two stacked by VM when used with invokedynamic
// 0: #31 invokestatic java/lang/invoke/LambdaMetafactory.metafactory:
// (Ljava/lang/invoke/MethodHandles$Lookup;Ljava/lang/String;Ljava/lang/invoke/MethodType;Ljava/lang/invoke/MethodType;
// Ljava/lang/invoke/MethodHandle;Ljava/lang/invoke/MethodType;)Ljava/lang/invoke/CallSite;
// Method arguments:
// #32 ()I
// #33 invokestatic basic/LambdaA.lambda$run$0:()I
// #32 ()I
// caller = basic.LambdaA (MethodHandles$Lookup)
// invokedName = m (String)
// invokedType = ()Foo (MethodType)
// samMethodType=()int (MethodType)
// implMethod=MethodHandle()int (DirectMethodHandle - membername in this object is "basic.LambdaA.lambda$run$0()int/invokeStatic")
// form members is:
//
// DMH.invokeStatic__I=Lambda(a0:L)=>{
// t1:L=DirectMethodHandle.internalMemberName(a0:L);
// t2:I=MethodHandle.linkToStatic(t1:L);t2:I}
// instantiatedMethodType=()int (MethodType)
MethodHandles.Lookup caller = (MethodHandles.Lookup)lookup;
MethodType invokedType = MethodType.methodType(Class.forName("basic.LambdaA$Foo",false,caller.lookupClass().getClassLoader()));
MethodType samMethodType = MethodType.methodType(Integer.TYPE);
// Cheating here by changing first param to pretend the original type is looking for it rather than the executor
MethodHandle implMethod = caller.findStatic(caller.lookupClass(), "lambda$run$0",MethodType.methodType(Integer.TYPE));
MethodType instantiatedMethodType = MethodType.methodType(Integer.TYPE);
return LambdaMetafactory.metafactory(caller, "m", invokedType, samMethodType, implMethod, instantiatedMethodType);
}
}

View File

@@ -2,9 +2,10 @@
<classpath>
<classpathentry kind="src" path="src/main/java"/>
<classpathentry kind="src" path="src/test/java"/>
<classpathentry exported="true" kind="lib" path="lib/asm-3.2.jar"/>
<classpathentry exported="true" kind="lib" path="lib/asm-tree-3.2.jar"/>
<classpathentry kind="lib" path="lib/asm-5.0_BETA.jar"/>
<classpathentry kind="lib" path="lib/asm-tree-5.0_BETA.jar"/>
<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER"/>
<classpathentry kind="con" path="org.eclipse.jdt.junit.JUNIT_CONTAINER/4"/>
<classpathentry combineaccessrules="false" kind="src" path="/j8code"/>
<classpathentry kind="output" path="bin"/>
</classpath>

View File

@@ -34,12 +34,17 @@ task wrapper(type: Wrapper) {
dependencies {
tools 'com.googlecode.jarjar:jarjar:1.3'
/*
compile 'asm:asm:3.2'
compile 'asm:asm-tree:3.2'
*/
compile 'org.ow2.asm:asm:5.0_BETA'
compile 'org.ow2.asm:asm-tree:5.0_BETA'
testCompile 'junit:junit:4.11'
testCompileOnly files("../testdata-groovy/groovy-1.8.2.jar")
testCompileOnly files("../testdata-groovy/groovy-all-1.8.6.jar")
testCompileOnly project(':testdata')
testCompileOnly project(':testdata-groovy')
testCompileOnly project(':testdata-plugin')

Binary file not shown.

Binary file not shown.

View File

@@ -0,0 +1,18 @@
<?xml version="1.0" encoding="UTF-8" standalone="no"?>
<launchConfiguration type="org.eclipse.jdt.junit.launchconfig">
<listAttribute key="org.eclipse.debug.core.MAPPED_RESOURCE_PATHS">
<listEntry value="/springloaded"/>
</listAttribute>
<listAttribute key="org.eclipse.debug.core.MAPPED_RESOURCE_TYPES">
<listEntry value="4"/>
</listAttribute>
<stringAttribute key="org.eclipse.jdt.junit.CONTAINER" value="=springloaded"/>
<booleanAttribute key="org.eclipse.jdt.junit.KEEPRUNNING_ATTR" value="false"/>
<stringAttribute key="org.eclipse.jdt.junit.TESTNAME" value=""/>
<stringAttribute key="org.eclipse.jdt.junit.TEST_KIND" value="org.eclipse.jdt.junit.loader.junit4"/>
<booleanAttribute key="org.eclipse.jdt.launching.ATTR_USE_START_ON_FIRST_THREAD" value="true"/>
<stringAttribute key="org.eclipse.jdt.launching.JRE_CONTAINER" value="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/J180_b128"/>
<stringAttribute key="org.eclipse.jdt.launching.MAIN_TYPE" value=""/>
<stringAttribute key="org.eclipse.jdt.launching.PROJECT_ATTR" value="springloaded"/>
<stringAttribute key="org.eclipse.jdt.launching.VM_ARGUMENTS" value="-Dspringloaded.tests.generatedTests=false -noverify -Dspringloaded=asserts"/>
</launchConfiguration>

View File

@@ -18,11 +18,10 @@ package org.springsource.loaded;
import java.util.HashMap;
import java.util.Map;
import org.objectweb.asm.ClassAdapter;
import org.objectweb.asm.ClassReader;
import org.objectweb.asm.ClassVisitor;
import org.objectweb.asm.ClassWriter;
import org.objectweb.asm.FieldVisitor;
import org.objectweb.asm.MethodAdapter;
import org.objectweb.asm.MethodVisitor;
import org.objectweb.asm.Opcodes;
import org.objectweb.asm.Type;
@@ -54,7 +53,7 @@ public class ClassRenamer {
return renamed;
}
static class RenameAdapter extends ClassAdapter implements Opcodes {
static class RenameAdapter extends ClassVisitor implements Opcodes {
private ClassWriter cw;
private String oldname;
@@ -62,7 +61,7 @@ public class ClassRenamer {
private Map<String, String> retargets = new HashMap<String, String>();
public RenameAdapter(String newname, String[] retargets) {
super(new ClassWriter(0));
super(ASM5,new ClassWriter(0));
cw = (ClassWriter) cv;
this.newname = newname.replace('.', '/');
if (retargets != null) {
@@ -141,13 +140,13 @@ public class ClassRenamer {
return super.visitField(access, name, desc, signature, value);
}
class RenameMethodAdapter extends MethodAdapter implements Opcodes {
class RenameMethodAdapter extends MethodVisitor implements Opcodes {
String oldname;
String newname;
public RenameMethodAdapter(MethodVisitor mv, String oldname, String newname) {
super(mv);
super(ASM5,mv);
this.oldname = oldname;
this.newname = newname;
}

View File

@@ -81,6 +81,7 @@ public interface Constants extends Opcodes {
static String mChangedForInvokeInterfaceName = "iincheck";
static String mChangedForInvokeVirtualName = "ivicheck";
static String mChangedForInvokeSpecialName = "ispcheck";
static String mPerformInvokeDynamicName = "idyrun";
static String descriptorChangedForInvokeSpecialName = "(ILjava/lang/String;)Lorg/springsource/loaded/__DynamicallyDispatchable;";
static String mChangedForConstructorName = "ccheck";
@@ -103,6 +104,7 @@ public interface Constants extends Opcodes {
static int ACC_PUBLIC_PROTECTED = Opcodes.ACC_PUBLIC | Opcodes.ACC_PROTECTED;
static int ACC_PUBLIC_PRIVATE_PROTECTED = Opcodes.ACC_PUBLIC | Opcodes.ACC_PRIVATE | Opcodes.ACC_PROTECTED;
static int ACC_PRIVATE_STATIC_SYNTHETIC = Opcodes.ACC_PRIVATE | Opcodes.ACC_STATIC | Opcodes.ACC_SYNTHETIC;
static int ACC_PRIVATE_PROTECTED = Opcodes.ACC_PRIVATE | Opcodes.ACC_PROTECTED;
static int ACC_PRIVATE_STATIC_FINAL = ACC_FINAL | ACC_STATIC | ACC_PRIVATE;

View File

@@ -16,14 +16,13 @@
package org.springsource.loaded;
import org.objectweb.asm.Label;
import org.objectweb.asm.MethodAdapter;
import org.objectweb.asm.MethodVisitor;
/**
* @author Andy Clement
* @since 0.5.0
*/
class ConstructorCopier extends MethodAdapter implements Constants {
class ConstructorCopier extends MethodVisitor implements Constants {
private final static int preInvokeSpecial = 0;
private final static int postInvokeSpecial = 1;
@@ -39,7 +38,7 @@ class ConstructorCopier extends MethodAdapter implements Constants {
private String classname;
public ConstructorCopier(MethodVisitor mv, TypeDescriptor typeDescriptor, String suffix, String classname) {
super(mv);
super(ASM5,mv);
this.typeDescriptor = typeDescriptor;
this.suffix = suffix;
this.classname = classname;

View File

@@ -57,7 +57,7 @@ public class DispatcherBuilder {
/**
* Whilst visiting the interface, the implementation is created.
*/
static class DispatcherBuilderVisitor implements ClassVisitor, Opcodes, Constants {
static class DispatcherBuilderVisitor extends ClassVisitor implements Opcodes, Constants {
private ClassWriter cw = new ClassWriter(ClassWriter.COMPUTE_MAXS);
@@ -68,6 +68,7 @@ public class DispatcherBuilder {
private IncrementalTypeDescriptor typeDescriptor;
public DispatcherBuilderVisitor(ReloadableType rtype, IncrementalTypeDescriptor typeDescriptor, String suffix) {
super(ASM5);
this.classname = rtype.getSlashedName();
this.typeDescriptor = typeDescriptor;
this.suffix = suffix;

View File

@@ -27,7 +27,11 @@ import org.objectweb.asm.MethodVisitor;
* @author Andy Clement
* @since 0.7.3
*/
public class EmptyClassVisitor implements ClassVisitor, Constants {
public class EmptyClassVisitor extends ClassVisitor implements Constants {
public EmptyClassVisitor() {
super(ASM5);
}
public void visit(int version, int access, String name, String signature, String superName, String[] interfaces) {
}

View File

@@ -69,7 +69,7 @@ public class ExecutorBuilder {
* ClassVisitor that constructs the executor by visiting the original class. The basic goal is to visit the original class and
* 'copy' the methods into the executor, making adjustments as we go.
*/
static class ExecutorBuilderVisitor implements ClassVisitor, Constants {
static class ExecutorBuilderVisitor extends ClassVisitor implements Constants {
private ClassWriter cw = new ClassWriter(0);
@@ -78,6 +78,7 @@ public class ExecutorBuilder {
protected TypeDescriptor typeDescriptor;
public ExecutorBuilderVisitor(String classname, String suffix, TypeDescriptor typeDescriptor) {
super(ASM5);
this.classname = classname;
this.suffix = suffix;
this.typeDescriptor = typeDescriptor;
@@ -145,11 +146,12 @@ public class ExecutorBuilder {
cw.visitSource(sourcefile, debug);
}
private static class CopyingAnnotationVisitor implements AnnotationVisitor {
private static class CopyingAnnotationVisitor extends AnnotationVisitor {
private AnnotationVisitor av;
public CopyingAnnotationVisitor(AnnotationVisitor av) {
super(ASM5);
this.av = av;
}

View File

@@ -66,13 +66,14 @@ public class InterfaceExtractor {
return extractorVisitor.getBytes();
}
class ExtractorVisitor implements ClassVisitor, Constants {
class ExtractorVisitor extends ClassVisitor implements Constants {
private TypeDescriptor typeDescriptor;
private ClassWriter interfaceWriter = new ClassWriter(0);
private String slashedtypename;
public ExtractorVisitor(TypeDescriptor typeDescriptor) {
super(ASM5);
this.typeDescriptor = typeDescriptor;
}

View File

@@ -16,7 +16,6 @@
package org.springsource.loaded;
import org.objectweb.asm.Label;
import org.objectweb.asm.MethodAdapter;
import org.objectweb.asm.MethodVisitor;
import org.springsource.loaded.Utils.ReturnType;
@@ -26,7 +25,7 @@ import org.springsource.loaded.Utils.ReturnType;
* @author Andy Clement
* @since 0.5.0
*/
class MethodCopier extends MethodAdapter implements Constants {
class MethodCopier extends MethodVisitor implements Constants {
private boolean isInterface;
private String descriptor;
@@ -37,7 +36,7 @@ class MethodCopier extends MethodAdapter implements Constants {
public MethodCopier(MethodVisitor mv, boolean isInterface, String descriptor, TypeDescriptor typeDescriptor, String classname,
String suffix) {
super(mv);
super(ASM5,mv);
this.isInterface = isInterface;
this.descriptor = descriptor;
this.typeDescriptor = typeDescriptor;

View File

@@ -30,13 +30,12 @@ import java.util.NoSuchElementException;
import java.util.StringTokenizer;
import java.util.logging.Logger;
import org.objectweb.asm.ClassAdapter;
import org.objectweb.asm.ClassReader;
import org.objectweb.asm.ClassVisitor;
import org.objectweb.asm.ClassWriter;
import org.objectweb.asm.FieldVisitor;
import org.objectweb.asm.Handle;
import org.objectweb.asm.Label;
import org.objectweb.asm.MethodAdapter;
import org.objectweb.asm.MethodVisitor;
import org.objectweb.asm.Opcodes;
import org.springsource.loaded.ConstantPoolChecker2.References;
@@ -436,7 +435,7 @@ public class MethodInvokerRewriter {
static class DontRewriteException extends RuntimeException {
}
static class RewriteClassAdaptor extends ClassAdapter implements Opcodes {
static class RewriteClassAdaptor extends ClassVisitor implements Opcodes {
private ClassVisitor cw;
@@ -667,14 +666,14 @@ public class MethodInvokerRewriter {
return intercepted.contains(owner + "." + methodName);
}
private TypeRegistry typeRegistry;
protected TypeRegistry typeRegistry;
boolean isEnum = false;
private boolean isGroovyClosure = false;
int fieldcount = 0;
public RewriteClassAdaptor(TypeRegistry typeRegistry, ClassVisitor classWriter) {
// TODO should it also compute frames?
super(classWriter);
super(ASM5,classWriter);
cw = cv;
this.typeRegistry = typeRegistry;
}
@@ -691,7 +690,7 @@ public class MethodInvokerRewriter {
public ClassVisitor getClassVisitor() {
return cv;
}
@Override
public void visit(int version, int access, String name, String signature, String superName, String[] interfaces) {
super.visit(version, access, name, signature, superName, interfaces);
@@ -721,7 +720,7 @@ public class MethodInvokerRewriter {
return new RewritingMethodAdapter(mv, name);
}
class RewritingMethodAdapter extends MethodAdapter implements Opcodes, Constants {
class RewritingMethodAdapter extends MethodVisitor implements Opcodes, Constants {
// tracks max variable used in a method so we know what we can use
// safely
@@ -731,7 +730,7 @@ public class MethodInvokerRewriter {
private boolean isClinitOrEnumInit = false;
public RewritingMethodAdapter(MethodVisitor mv, String methodname) {
super(mv);
super(ASM5,mv);
this.methodname = methodname;
if (isEnum) {
isClinitOrEnumInit = this.methodname.length() > 2 && this.methodname.charAt(0) == '<'
@@ -950,6 +949,123 @@ public class MethodInvokerRewriter {
super.visitTypeInsn(opcode, type);
}
private String toString(Handle handle) {
return "handle(tag="+handle.getTag()+",name="+handle.getName()+",desc="+handle.getDesc()+",owner="+handle.getOwner();
}
private String toString(Object[] oa) {
StringBuilder buf = new StringBuilder();
buf.append("[");
if (oa!=null) {
for (Object o:oa) {
buf.append(" ");
buf.append(o);
}
}
buf.append("]");
return buf.toString();
}
@Override
public void visitInvokeDynamicInsn(String name, String desc, org.objectweb.asm.Handle bsm, Object... bsmArgs) {
// TODO *shudder* what about invoke dynamic calls that target reflective APIs
boolean handled = false;
// TODO Perhaps (for sake of my sanity initially) make a distinction here between the general invokedynamic case and the special lambda support case?
// name=m
// desc=()Lbasic/LambdaA2$Foo;
// bsm=handle(tag=6,
// name=metafactory,
// desc=(Ljava/lang/invoke/MethodHandles$Lookup;Ljava/lang/String;Ljava/lang/invoke/MethodType;Ljava/lang/invoke/MethodType;Ljava/lang/invoke/MethodHandle;Ljava/lang/invoke/MethodType;)Ljava/lang/invoke/CallSite;,
// owner=java/lang/invoke/LambdaMetafactory
// bsmArgs=[ ()I basic/LambdaA2.lambda$run$1()I (6) ()I]
if (bsm.getTag()==H_INVOKESTATIC) {
// InvokeDynamic(name=m,desc=()Lbasic/LambdaA$Foo;,bsm=handle(tag=6,name=metafactory,desc=(Ljava/lang/invoke/MethodHandles$Lookup;Ljava/lang/String;Ljava/lang/invoke/MethodType;Ljava/lang/invoke/MethodType;Ljava/lang/invoke/MethodHandle;Ljava/lang/invoke/MethodType;)Ljava/lang/invoke/CallSite;,owner=java/lang/invoke/LambdaMetafactory,bsmArgs=[ ()I basic/LambdaA.lambda$run$0()I (6) ()I]
System.out.println("InvokeDynamic(name="+name+",desc="+desc+",bsm="+toString(bsm)+",bsmArgs="+toString(bsmArgs));
// The other invokes use the 'owner' of the target method to determine which type registry should be part of this
// check. Here the 'owner' is wrapped up in the bootstrap method - as version 1 we can assume the owner is the lambdametafactory
// which *wont* be getting reloaded - so we already know we don't need to do some jiggery pokery.
// int classId = typeRegistry.getTypeIdFor(owner, true);
// Call type registry to determine 'can we do what we were going to do?'
int bsmReferenceId = typeRegistry.recordBootstrapMethod(bsm,bsmArgs);
// Method java/lang/invoke/MethodHandles.lookup:()Ljava/lang/invoke/MethodHandles$Lookup;
mv.visitMethodInsn(INVOKESTATIC,"java/lang/invoke/MethodHandles","lookup","()Ljava/lang/invoke/MethodHandles$Lookup;");
mv.visitLdcInsn(name+desc); // Ljava/lang/String;
mv.visitLdcInsn(bsmReferenceId); // I
mv.visitMethodInsn(INVOKESTATIC, tRegistryType, mPerformInvokeDynamicName, "(Ljava/lang/Object;Ljava/lang/String;I)Ljava/lang/Object;");
handled=true;
// TODO handle return type
// mv.visitLdcInsn(Utils.toCombined(typeRegistry.getId(),classId));
// mv.visitLdcInsn(name+desc);
// mv.visitLdcInsn(BSM_NUMBER);
// mv.visitLdcInsn(bsmArgs);
// // What can we check to see whether it is necessary to intercept this call? Is it the return type of the descriptor? (For when
// // the bsm is recognizable as for lambda support)
// mv.visitLdcInsn(Utils.toCombined(typeRegistry.getId(), classId));
// mv.visitLdcInsn(name + desc);
// mv.visitMethodInsn(INVOKESTATIC, tRegistryType, mChangedForInvokeVirtualName, "(ILjava/lang/String;)Z");
// // Return value is the extracted interface to call if there is a
// // change and it can't be called directly
//
// // 2. preserve a copy of the return value (new target)
// // mv.visitInsn(DUP);
//
// // 3. Was it null?
// Label l1 = new Label();
// mv.visitJumpInsn(IFEQ, l1);
//
// // 4. Not false
//
// // 5. Store the target implementation of the interface that we
// // will invoke later
// // mv.visitVarInsn(ASTORE, max + 1);
//
// // 6. Package up any parameters
// if (hasParams) {
// Utils.collapseStackToArray(mv, desc);
// }
//
// // Prepare for the invocation:
// if (!hasParams) {
// // [targetInstance]
// mv.visitInsn(DUP);
// mv.visitInsn(ACONST_NULL); // no parameters
// mv.visitInsn(SWAP); // [targetInstance NULL targetInstance]
// } else {
// // [targetInstance paramArray]
// mv.visitInsn(SWAP);
// mv.visitInsn(DUP_X1); // [targetInstance paramArray
// // targetInstance]
// }
//
// mv.visitLdcInsn(name + desc);
//
// // calling __execute(params array,this,name+desc)
// mv.visitMethodInsn(INVOKEVIRTUAL, owner, mDynamicDispatchName, mDynamicDispatchDescriptor);
//
// insertAppropriateReturn(returnType);
// Label gotolabel = new Label();
// mv.visitJumpInsn(GOTO, gotolabel);
// mv.visitLabel(l1);
// // mv.visitInsn(POP);
// // Here is where we end up if the test for changes failed (ie.
// // there were no changes - just 'do what you were going to do'
// super.visitMethodInsn(opcode, owner, name, desc);
// mv.visitLabel(gotolabel);
}
else {
// TODO handle it!
}
if (!handled) {
super.visitInvokeDynamicInsn(name, desc, bsm, bsmArgs);
}
}
@Override
public void visitMethodInsn(final int opcode, final String owner, final String name, final String desc) {
if (GlobalConfiguration.interceptReflection && rewriteReflectiveCall(opcode, owner, name, desc)) {

View File

@@ -31,8 +31,8 @@ import java.util.Set;
import java.util.logging.Level;
import java.util.logging.Logger;
import org.objectweb.asm.ClassAdapter;
import org.objectweb.asm.ClassReader;
import org.objectweb.asm.ClassVisitor;
import org.objectweb.asm.ClassWriter;
import org.springsource.loaded.MethodInvokerRewriter.DontRewriteException;
import org.springsource.loaded.MethodInvokerRewriter.RewriteClassAdaptor;
@@ -839,10 +839,10 @@ public class ReloadableType {
}
}
static class ChainedAdapters extends ClassAdapter implements Constants {
static class ChainedAdapters extends ClassVisitor implements Constants {
public ChainedAdapters(ReloadableType rtype) {
super(new RewriteClassAdaptor(rtype.typeRegistry, new TypeRewriter.RewriteClassAdaptor(rtype, new ClassWriter(
super(ASM5,new RewriteClassAdaptor(rtype.typeRegistry, new TypeRewriter.RewriteClassAdaptor(rtype, new ClassWriter(
ClassWriter.COMPUTE_MAXS))));
}

View File

@@ -15,10 +15,9 @@
*/
package org.springsource.loaded;
import org.objectweb.asm.ClassAdapter;
import org.objectweb.asm.ClassReader;
import org.objectweb.asm.ClassVisitor;
import org.objectweb.asm.ClassWriter;
import org.objectweb.asm.MethodAdapter;
import org.objectweb.asm.MethodVisitor;
import org.objectweb.asm.Opcodes;
@@ -39,7 +38,7 @@ public class SystemClassReflectionInvestigator {
return classAdaptor.hitCount;
}
static class RewriteClassAdaptor extends ClassAdapter implements Constants {
static class RewriteClassAdaptor extends ClassVisitor implements Constants {
int hitCount = 0;
private ClassWriter cw;
@@ -52,7 +51,7 @@ public class SystemClassReflectionInvestigator {
public RewriteClassAdaptor() {
// TODO should it also compute frames?
super(new ClassWriter(ClassWriter.COMPUTE_MAXS));
super(ASM5,new ClassWriter(ClassWriter.COMPUTE_MAXS));
cw = (ClassWriter) cv;
}
@@ -77,10 +76,10 @@ public class SystemClassReflectionInvestigator {
return new RewritingMethodAdapter(mv);
}
class RewritingMethodAdapter extends MethodAdapter implements Opcodes, Constants {
class RewritingMethodAdapter extends MethodVisitor implements Opcodes, Constants {
public RewritingMethodAdapter(MethodVisitor mv) {
super(mv);
super(ASM5,mv);
}
private boolean interceptReflection(String owner, String name, String desc) {

View File

@@ -18,12 +18,11 @@ package org.springsource.loaded;
import java.util.logging.Level;
import java.util.logging.Logger;
import org.objectweb.asm.ClassAdapter;
import org.objectweb.asm.ClassReader;
import org.objectweb.asm.ClassVisitor;
import org.objectweb.asm.ClassWriter;
import org.objectweb.asm.FieldVisitor;
import org.objectweb.asm.Label;
import org.objectweb.asm.MethodAdapter;
import org.objectweb.asm.MethodVisitor;
import org.objectweb.asm.Opcodes;
@@ -105,7 +104,7 @@ public class SystemClassReflectionRewriter {
}
}
static class RewriteClassAdaptor extends ClassAdapter implements Constants {
static class RewriteClassAdaptor extends ClassVisitor implements Constants {
private ClassWriter cw;
int bits = 0x0000;
@@ -122,7 +121,7 @@ public class SystemClassReflectionRewriter {
public RewriteClassAdaptor() {
// TODO should it also compute frames?
super(new ClassWriter(ClassWriter.COMPUTE_MAXS));
super(ASM5,new ClassWriter(ClassWriter.COMPUTE_MAXS));
cw = (ClassWriter) cv;
}
@@ -189,10 +188,10 @@ public class SystemClassReflectionRewriter {
}
}
class RewritingMethodAdapter extends MethodAdapter implements Opcodes, Constants {
class RewritingMethodAdapter extends MethodVisitor implements Opcodes, Constants {
public RewritingMethodAdapter(MethodVisitor mv) {
super(mv);
super(ASM5,mv);
}
/**

View File

@@ -54,7 +54,7 @@ public class TypeDescriptorExtractor {
/**
* Visit a class and accumulate sufficient information to build a TypeDescriptor.
*/
class ExtractionVisitor implements ClassVisitor, Opcodes {
class ExtractionVisitor extends ClassVisitor implements Opcodes {
private boolean isReloadableType;
private int flags;
@@ -72,6 +72,7 @@ public class TypeDescriptorExtractor {
private List<String> finalInHierarchy = new ArrayList<String>();
public ExtractionVisitor(boolean isReloadableType) {
super(ASM5);
this.isReloadableType = isReloadableType;
}

View File

@@ -15,6 +15,8 @@
*/
package org.springsource.loaded;
import j8code.J8Helper;
import java.io.BufferedReader;
import java.io.File;
import java.io.FileInputStream;
@@ -42,6 +44,7 @@ import java.util.WeakHashMap;
import java.util.logging.Level;
import java.util.logging.Logger;
import org.objectweb.asm.Handle;
import org.springsource.loaded.agent.FileSystemWatcher;
import org.springsource.loaded.agent.ReloadDecision;
import org.springsource.loaded.agent.ReloadableFileChangeListener;
@@ -1459,7 +1462,25 @@ public class TypeRegistry {
}
return false;
}
@UsedByGeneratedCode
public static Object idyrun(Object methodHandles_lookup, String nameAndDescriptor, int bsmId) {
// bsmId = 0
// nameAndDescriptor = m()Lbasic/LambdaA$Foo;
// 0: #31 invokestatic java/lang/invoke/LambdaMetafactory.metafactory:
// (Ljava/lang/invoke/MethodHandles$Lookup;Ljava/lang/String;Ljava/lang/invoke/MethodType;Ljava/lang/invoke/MethodType;
// Ljava/lang/invoke/MethodHandle;Ljava/lang/invoke/MethodType;)Ljava/lang/invoke/CallSite;
// Method arguments:
// #32 ()I
// #33 invokestatic basic/LambdaA.lambda$run$0:()I
// #32 ()I
System.out.println("idyrun("+methodHandles_lookup+","+nameAndDescriptor+","+bsmId+")");
return J8Helper.simulateInvokeDynamic(methodHandles_lookup);
}
/**
* Used in code the generated code replaces invokevirtual calls. Determine if the code can run as it was originally compiled.
*
@@ -1856,4 +1877,36 @@ public class TypeRegistry {
public Set<ReloadableType> getJDKProxiesFor(String slashedInterfaceTypeName) {
return jdkProxiesForInterface.get(slashedInterfaceTypeName);
}
/**
* When an invokedynamic instruction is reached, we allocate an id that
* recognizes that bsm and the parameters to that bsm. The index can be
* used when rewriting that invokedynamic
*
* @return id that represents this bootstrap method usage
*/
public synchronized int recordBootstrapMethod(Handle bsm, Object[] bsmArgs) {
// TODO [memory] search the existing bsmInfos for a matching one! Reuse!
if (nextBsmIndex >= bsmInfo.length) {
BsmInfo[] newarray = new BsmInfo[bsmInfo.length+4];
System.arraycopy(bsmInfo, 0, newarray, 0, bsmInfo.length);
bsmInfo = newarray;
}
bsmInfo[nextBsmIndex] = new BsmInfo(bsm,bsmArgs);
nextBsmIndex++;
return nextBsmIndex-1;
}
private int nextBsmIndex = 0;
private BsmInfo[] bsmInfo = new BsmInfo[4];
static class BsmInfo {
Handle bsm;
Object[] bsmArgs;
public BsmInfo(Handle bsm, Object[] bsmArgs) {
this.bsm = bsm;
this.bsmArgs = bsmArgs;
}
}
}

View File

@@ -19,13 +19,11 @@ import java.lang.reflect.Modifier;
import java.util.logging.Level;
import java.util.logging.Logger;
import org.objectweb.asm.ClassAdapter;
import org.objectweb.asm.ClassReader;
import org.objectweb.asm.ClassVisitor;
import org.objectweb.asm.ClassWriter;
import org.objectweb.asm.FieldVisitor;
import org.objectweb.asm.Label;
import org.objectweb.asm.MethodAdapter;
import org.objectweb.asm.MethodVisitor;
import org.objectweb.asm.Opcodes;
import org.springsource.loaded.Utils.ReturnType;
@@ -55,7 +53,7 @@ public class TypeRewriter implements Constants {
return classAdaptor.getBytes();
}
static class RewriteClassAdaptor extends ClassAdapter implements Constants {
static class RewriteClassAdaptor extends ClassVisitor implements Constants {
private ClassWriter cw;
private String slashedname;
@@ -72,7 +70,7 @@ public class TypeRewriter implements Constants {
}
public RewriteClassAdaptor(ReloadableType rtype, ClassWriter classWriter) {
super(classWriter);
super(ASM5,classWriter);
this.rtype = rtype;
this.slashedname = rtype.getSlashedName();
this.cw = (ClassWriter) cv;
@@ -414,7 +412,7 @@ public class TypeRewriter implements Constants {
@Override
public MethodVisitor visitMethod(int flags, String name, String descriptor, String signature, String[] exceptions) {
MethodVisitor mv = super.visitMethod(promoteIfNecessary(flags), name, descriptor, signature, exceptions);
MethodVisitor mv = super.visitMethod(promoteIfNecessary(flags,name), name, descriptor, signature, exceptions);
MethodVisitor newMethodVisitor = getMethodVisitor(name, descriptor, mv);
return newMethodVisitor;
}
@@ -444,8 +442,8 @@ public class TypeRewriter implements Constants {
}
// Default visibility elements need promotion to public so that they can be seen from the executor
private int promoteIfNecessary(int flags) {
int newflags = Utils.promoteDefaultOrProtectedToPublic(flags, isEnum);
private int promoteIfNecessary(int flags,String name) {
int newflags = Utils.promoteDefaultOrProtectedToPublic(flags, isEnum, name);
return newflags;
}
@@ -816,7 +814,7 @@ public class TypeRewriter implements Constants {
/**
* Rewrites a method to include the extra checks to verify it is the most up to date version.
*/
class AugmentingMethodAdapter extends MethodAdapter implements Opcodes {
class AugmentingMethodAdapter extends MethodVisitor implements Opcodes {
int methodId;
String name;
@@ -825,7 +823,7 @@ public class TypeRewriter implements Constants {
ReturnType returnType;
public AugmentingMethodAdapter(MethodVisitor mv, String name, String descriptor) {
super(mv);
super(ASM5,mv);
this.name = name;
this.method = rtype.getMethod(name, descriptor);
this.methodId = method.getId();
@@ -916,7 +914,7 @@ public class TypeRewriter implements Constants {
}
class AugmentingConstructorAdapter extends MethodAdapter implements Opcodes {
class AugmentingConstructorAdapter extends MethodVisitor implements Opcodes {
int ctorId;
String name;
@@ -926,7 +924,7 @@ public class TypeRewriter implements Constants {
boolean isTopMost;
public AugmentingConstructorAdapter(MethodVisitor mv, String descriptor, String type, boolean isTopMost) {
super(mv);
super(ASM5,mv);
this.descriptor = descriptor;
this.type = type;
this.isTopMost = isTopMost;
@@ -1053,12 +1051,12 @@ public class TypeRewriter implements Constants {
void prepend();
}
class MethodPrepender extends MethodAdapter implements Opcodes {
class MethodPrepender extends MethodVisitor implements Opcodes {
Prepender appender;
public MethodPrepender(MethodVisitor mv, Prepender appender) {
super(mv);
super(ASM5,mv);
this.appender = appender;
}

View File

@@ -1369,7 +1369,7 @@ public class Utils implements Opcodes, Constants {
return access;
}
public static int promoteDefaultOrProtectedToPublic(int access, boolean isEnum) {
public static int promoteDefaultOrProtectedToPublic(int access, boolean isEnum, String name) {
if ((access & Constants.ACC_PUBLIC_PRIVATE_PROTECTED) == 0) {
// is default
return (access | Modifier.PUBLIC);
@@ -1382,6 +1382,10 @@ public class Utils implements Opcodes, Constants {
// was private, need to 'publicize' it
return access - Constants.ACC_PRIVATE + Constants.ACC_PUBLIC;
}
if ((access&Constants.ACC_PRIVATE_STATIC_SYNTHETIC)==ACC_PRIVATE_STATIC_SYNTHETIC && name.startsWith("lambda")) {
// Special case for lambda, may need to generalize for general invokedynamic support
return access - Constants.ACC_PRIVATE + Constants.ACC_PUBLIC;
}
return access;
}
@@ -1733,7 +1737,11 @@ public class Utils implements Opcodes, Constants {
// TODO [performance] speed up by throwing exception from first visit method? (but this isn't used in the mainline really)
// TODO or just write a quicker bytecode parser that just looks at the interfaces then returns
private static class InterfaceCollectingClassVisitor implements ClassVisitor {
private static class InterfaceCollectingClassVisitor extends ClassVisitor {
public InterfaceCollectingClassVisitor() {
super(ASM5);
}
public String[] interfaces;

View File

@@ -19,10 +19,9 @@ import java.lang.reflect.Field;
import java.util.HashMap;
import java.util.Map;
import org.objectweb.asm.ClassAdapter;
import org.objectweb.asm.ClassReader;
import org.objectweb.asm.ClassVisitor;
import org.objectweb.asm.ClassWriter;
import org.objectweb.asm.MethodAdapter;
import org.objectweb.asm.MethodVisitor;
import org.springsource.loaded.Constants;
@@ -33,7 +32,7 @@ import org.springsource.loaded.Constants;
* @author Andy Clement
* @since 0.8.3
*/
public class CglibPluginCapturing extends ClassAdapter implements Constants {
public class CglibPluginCapturing extends ClassVisitor implements Constants {
public static Map<Class<?>, Object[]> clazzToGeneratorStrategyAndClassGeneratorMap = new HashMap<Class<?>, Object[]>();
public static Map<Class<?>, Object[]> clazzToGeneratorStrategyAndFastClassGeneratorMap = new HashMap<Class<?>, Object[]>();
@@ -48,7 +47,7 @@ public class CglibPluginCapturing extends ClassAdapter implements Constants {
}
private CglibPluginCapturing() {
super(new ClassWriter(0)); // TODO review 0 here
super(ASM5,new ClassWriter(0)); // TODO review 0 here
}
@Override
@@ -74,10 +73,10 @@ public class CglibPluginCapturing extends ClassAdapter implements Constants {
}
}
class CreateMethodInterceptor extends MethodAdapter implements Constants {
class CreateMethodInterceptor extends MethodVisitor implements Constants {
public CreateMethodInterceptor(MethodVisitor mv) {
super(mv);
super(ASM5,mv);
}
@Override

View File

@@ -15,9 +15,8 @@
*/
package org.springsource.loaded.agent;
import org.objectweb.asm.ClassAdapter;
import org.objectweb.asm.ClassVisitor;
import org.objectweb.asm.ClassWriter;
import org.objectweb.asm.MethodAdapter;
import org.objectweb.asm.MethodVisitor;
import org.springsource.loaded.Constants;
@@ -27,7 +26,7 @@ import org.springsource.loaded.Constants;
* @author Andy Clement
* @since 0.5.0
*/
public class ClassVisitingConstructorAppender extends ClassAdapter implements Constants {
public class ClassVisitingConstructorAppender extends ClassVisitor implements Constants {
private String calleeOwner;
private String calleeName;
@@ -41,7 +40,7 @@ public class ClassVisitingConstructorAppender extends ClassAdapter implements Co
* @param name
*/
public ClassVisitingConstructorAppender(String owner, String name) {
super(new ClassWriter(0)); // TODO review 0 here
super(ASM5,new ClassWriter(0)); // TODO review 0 here
this.calleeOwner = owner;
this.calleeName = name;
}
@@ -63,10 +62,10 @@ public class ClassVisitingConstructorAppender extends ClassAdapter implements Co
* This constructor appender includes a couple of instructions at the end of each constructor it is asked to visit. It
* recognizes the end by observing a RETURN instruction. The instructions are inserted just before the RETURN.
*/
class ConstructorAppender extends MethodAdapter implements Constants {
class ConstructorAppender extends MethodVisitor implements Constants {
public ConstructorAppender(MethodVisitor mv) {
super(mv);
super(ASM5,mv);
}
@Override

View File

@@ -15,7 +15,7 @@
*/
package org.springsource.loaded.agent;
import org.objectweb.asm.ClassAdapter;
import org.objectweb.asm.ClassVisitor;
import org.objectweb.asm.ClassWriter;
import org.objectweb.asm.MethodVisitor;
import org.springsource.loaded.Constants;
@@ -26,12 +26,12 @@ import org.springsource.loaded.Constants;
* @author Andy Clement
* @since 0.7.0
*/
public class FalseReturner extends ClassAdapter implements Constants {
public class FalseReturner extends ClassVisitor implements Constants {
private String methodname;
public FalseReturner(String methodname) {
super(new ClassWriter(0)); // TODO review 0 here
super(ASM5,new ClassWriter(0)); // TODO review 0 here
this.methodname = methodname;
}

View File

@@ -15,9 +15,8 @@
*/
package org.springsource.loaded.agent;
import org.objectweb.asm.ClassAdapter;
import org.objectweb.asm.ClassVisitor;
import org.objectweb.asm.ClassWriter;
import org.objectweb.asm.MethodAdapter;
import org.objectweb.asm.MethodVisitor;
import org.springsource.loaded.Constants;
import org.springsource.loaded.GlobalConfiguration;
@@ -30,10 +29,10 @@ import org.springsource.loaded.TypeRegistry;
* @author Andy Clement
* @since 0.7.3
*/
public class ModifyDefineInClassLoaderForClassArtifactsType extends ClassAdapter implements Constants {
public class ModifyDefineInClassLoaderForClassArtifactsType extends ClassVisitor implements Constants {
public ModifyDefineInClassLoaderForClassArtifactsType() {
super(new ClassWriter(0)); // TODO review 0 here
super(ASM5,new ClassWriter(0)); // TODO review 0 here
}
public byte[] getBytes() {
@@ -49,10 +48,10 @@ public class ModifyDefineInClassLoaderForClassArtifactsType extends ClassAdapter
}
}
class DefineClassModifierVisitor extends MethodAdapter implements Constants {
class DefineClassModifierVisitor extends MethodVisitor implements Constants {
public DefineClassModifierVisitor(MethodVisitor mv) {
super(mv);
super(ASM5,mv);
}
@Override

View File

@@ -17,7 +17,7 @@ package org.springsource.loaded.agent;
import java.lang.reflect.Modifier;
import org.objectweb.asm.ClassAdapter;
import org.objectweb.asm.ClassVisitor;
import org.objectweb.asm.ClassWriter;
import org.objectweb.asm.FieldVisitor;
import org.springsource.loaded.Constants;
@@ -29,7 +29,7 @@ import org.springsource.loaded.Constants;
* @author Andy Clement
* @since 0.7.0
*/
public class NonFinalizer extends ClassAdapter implements Constants {
public class NonFinalizer extends ClassVisitor implements Constants {
private String fieldname;
@@ -42,7 +42,7 @@ public class NonFinalizer extends ClassAdapter implements Constants {
* @param name
*/
public NonFinalizer(String fieldname) {
super(new ClassWriter(0)); // TODO review 0 here
super(ASM5,new ClassWriter(0)); // TODO review 0 here
this.fieldname = fieldname;
}

View File

@@ -17,8 +17,8 @@ package org.springsource.loaded.pluginhelpers;
import org.objectweb.asm.AnnotationVisitor;
import org.objectweb.asm.Attribute;
import org.objectweb.asm.ClassAdapter;
import org.objectweb.asm.ClassReader;
import org.objectweb.asm.ClassVisitor;
import org.objectweb.asm.ClassWriter;
import org.objectweb.asm.Label;
import org.objectweb.asm.MethodVisitor;
@@ -32,7 +32,7 @@ import org.springsource.loaded.test.infra.ClassPrinter;
* @author Andy Clement
* @since 0.8.3
*/
public class EmptyCtor extends ClassAdapter implements Constants {
public class EmptyCtor extends ClassVisitor implements Constants {
private String[] descriptors;
@@ -52,7 +52,7 @@ public class EmptyCtor extends ClassAdapter implements Constants {
}
private EmptyCtor(String... descriptors) {
super(new ClassWriter(0)); // TODO review 0 here
super(ASM5,new ClassWriter(0)); // TODO review 0 here
this.descriptors = descriptors;
}
@@ -80,11 +80,12 @@ public class EmptyCtor extends ClassAdapter implements Constants {
}
}
static class Emptier implements MethodVisitor, Constants {
static class Emptier extends MethodVisitor implements Constants {
MethodVisitor mv;
public Emptier(MethodVisitor mv) {
super(ASM5);
this.mv = mv;
}

View File

@@ -32,7 +32,7 @@ import org.springsource.loaded.Utils;
/**
* @author Andy Clement
*/
public class ClassPrinter implements ClassVisitor, Opcodes {
public class ClassPrinter extends ClassVisitor implements Opcodes {
private PrintStream destination;
private boolean includeBytecode;
@@ -47,6 +47,7 @@ public class ClassPrinter implements ClassVisitor, Opcodes {
}
public ClassPrinter(PrintStream destination, boolean includeBytecode) {
super(ASM5);
this.destination = destination;
this.includeBytecode = includeBytecode;
}
@@ -188,7 +189,11 @@ public class ClassPrinter implements ClassVisitor, Opcodes {
return new AnnotationVisitorPrinter();
}
class AnnotationVisitorPrinter implements AnnotationVisitor {
class AnnotationVisitorPrinter extends AnnotationVisitor {
public AnnotationVisitorPrinter() {
super(ASM5);
}
public void visit(String name, Object value) {
destination.print(name + "=" + value + " ");

View File

@@ -21,17 +21,17 @@ import java.util.List;
import org.objectweb.asm.AnnotationVisitor;
import org.objectweb.asm.Attribute;
import org.objectweb.asm.Handle;
import org.objectweb.asm.Label;
import org.objectweb.asm.MethodVisitor;
import org.objectweb.asm.Opcodes;
import org.springsource.loaded.Utils;
/**
*
* @author Andy Clement
*/
public class MethodPrinter implements MethodVisitor, Opcodes {
public class MethodPrinter extends MethodVisitor implements Opcodes {
PrintStream to;
@@ -47,12 +47,22 @@ public class MethodPrinter implements MethodVisitor, Opcodes {
}
public MethodPrinter(PrintStream destination) {
super(ASM5);
this.to = destination;
}
public void visitCode() {
to.print(" CODE\n");
}
@Override
public void visitInvokeDynamicInsn(String name, String desc, org.objectweb.asm.Handle bsm, Object... bsmArgs) {
to.println(" INVOKEDYNAMIC " + name+"."+desc+" bsm="+toString(bsm));
}
private String toString(Handle bsm) {
return "#"+bsm.getTag()+" "+bsm.getOwner()+"."+bsm.getName()+bsm.getDesc();
}
public void visitMethodInsn(int opcode, String owner, String name, String desc) {
if (opcode == Opcodes.INVOKESTATIC) {
@@ -75,7 +85,11 @@ public class MethodPrinter implements MethodVisitor, Opcodes {
return new AnnotationVisitorPrinter();
}
class AnnotationVisitorPrinter implements AnnotationVisitor {
class AnnotationVisitorPrinter extends AnnotationVisitor {
public AnnotationVisitorPrinter() {
super(ASM5);
}
public void visit(String name, Object value) {
to.print(name + "=" + value + " ");

View File

@@ -296,8 +296,22 @@ public class ExecutorBuilderTests extends SpringLoadedTests {
checkAnnotations(rtype.getLatestExecutorBytes(), "m2(Lexecutor/I;)V", "@common.Marker()", "@common.Anno(id=abc)");
Method m = rtype.getLatestExecutorClass().getDeclaredMethod("m2", rtype.getClazz());
assertEquals("@common.Marker()", m.getAnnotations()[0].toString());
assertEquals("@common.Anno(someValue=37, longValue=2, id=abc)", m.getAnnotations()[1].toString());
assertEquals("@common.Anno(someValue=37, longValue=2, id=abc)", printAnnotation(m.getAnnotations()[1]));
}
//
private String printAnnotation(Annotation a) {
return a.toString();
// StringBuilder buf = new StringBuilder();
// printAnnotationHelper(buf,a);
// return buf.toString();
}
//
// private void printAnnotationHelper(StringBuilder buf, Annotation a) {
// Class<?> clazz = a.annotationType();a.toString()
// clazz.getDeclaredFields()[0].get
// System.out.println(a.annotationType());
//
// }
@Test
public void methodLevelAnnotationsOnInterfaces2() throws Exception {

View File

@@ -0,0 +1,150 @@
package org.springsource.loaded.test;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;
import org.junit.Test;
import org.springsource.loaded.ReloadableType;
import org.springsource.loaded.TypeRegistry;
import org.springsource.loaded.test.infra.ClassPrinter;
import org.springsource.loaded.test.infra.Result;
/**
* Test reloading of Java 8.
*
* @author Andy Clement
* @since 1.1.5
*/
public class Java8Tests extends SpringLoadedTests {
@Test
public void theBasics() {
String t = "basic.FirstClass";
TypeRegistry typeRegistry = getTypeRegistry(t);
byte[] sc = loadBytesForClass(t);
ReloadableType rtype = new ReloadableType(t, sc, 1, typeRegistry, null);
assertEquals(1, rtype.getId());
assertEquals(t, rtype.getName());
assertEquals(slashed(t), rtype.getSlashedName());
assertNotNull(rtype.getTypeDescriptor());
assertEquals(typeRegistry, rtype.getTypeRegistry());
}
@Test
public void callBasicType() throws Exception {
String t = "basic.FirstClass";
TypeRegistry typeRegistry = getTypeRegistry(t);
byte[] sc = loadBytesForClass(t);
ReloadableType rtype = typeRegistry.addType(t, sc);
Class<?> simpleClass = rtype.getClazz();
Result r = runUnguarded(simpleClass, "run");
r = runUnguarded(simpleClass, "run");
assertEquals(8, r.returnValue);
rtype.loadNewVersion("002", rtype.bytesInitial);
r = runUnguarded(simpleClass, "run");
assertEquals(8, r.returnValue);
}
@Test
public void lambdaA() throws Exception {
String t = "basic.LambdaA";
TypeRegistry typeRegistry = getTypeRegistry(t);
byte[] sc = loadBytesForClass(t);
ReloadableType rtype = typeRegistry.addType(t, sc);
Class<?> simpleClass = rtype.getClazz();
Result r = runUnguarded(simpleClass, "run");
r = runUnguarded(simpleClass, "run");
assertEquals(77, r.returnValue);
ClassPrinter.print(rtype.bytesLoaded);
rtype.loadNewVersion("002", rtype.bytesInitial);
r = runUnguarded(simpleClass, "run");
assertEquals(77, r.returnValue);
}
@Test
public void changingALambda() throws Exception {
String t = "basic.LambdaA";
TypeRegistry typeRegistry = getTypeRegistry(t);
byte[] sc = loadBytesForClass(t);
ReloadableType rtype = typeRegistry.addType(t, sc);
Class<?> simpleClass = rtype.getClazz();
ClassPrinter.print(rtype.bytesLoaded);
Result r = runUnguarded(simpleClass, "run");
r = runUnguarded(simpleClass, "run");
assertEquals(77, r.returnValue);
rtype.loadNewVersion("002", retrieveRename(t,t+"2"));
ClassPrinter.print(rtype.getLatestExecutorBytes());
r = runUnguarded(simpleClass, "run");
assertEquals(77, r.returnValue);
}
// TODO changing a lambda body
// TODO changing a lambda signature
// TODO adding a lambda that wasn't there before
// TODO deleting a lambda
// TODO make that inner interface non-public in LambdaA - seems to break things.
// Bytecode for LambdaA
/*
BootstrapMethods:
0: #31 invokestatic java/lang/invoke/LambdaMetafactory.metafactory:(Ljava/lang/invoke/MethodHandles$Lookup;Ljava/lang/String;Ljava/lang/invoke/MethodType;Ljava/lang/invoke/MethodType;Ljava/lang/invoke/MethodHandle;Ljava/lang/invoke/MethodType;)Ljava/lang/invoke/CallSite;
Method arguments:
#32 ()I
#33 invokestatic basic/LambdaA.lambda$run$0:()I
#32 ()I
public static int run();
descriptor: ()I
flags: ACC_PUBLIC, ACC_STATIC
Code:
stack=1, locals=1, args_size=0
0: aconst_null
1: astore_0
2: invokedynamic #3, 0 // InvokeDynamic #0:m:()Lbasic/LambdaA$Foo;
7: astore_0
8: aload_0
9: invokeinterface #4, 1 // InterfaceMethod basic/LambdaA$Foo.m:()I
14: ireturn
*/
/*
static void test() throws Throwable {
// THE FOLLOWING LINE IS PSEUDOCODE FOR A JVM INSTRUCTION
InvokeDynamic[#bootstrapDynamic].baz("baz arg", 2, 3.14);
}
private static void printArgs(Object... args) {
System.out.println(java.util.Arrays.deepToString(args));
}
private static final MethodHandle printArgs;
static {
MethodHandles.Lookup lookup = MethodHandles.lookup();
Class thisClass = lookup.lookupClass(); // (who am I?)
printArgs = lookup.findStatic(thisClass,
"printArgs", MethodType.methodType(void.class, Object[].class));
}
private static CallSite bootstrapDynamic(MethodHandles.Lookup caller, String name, MethodType type) {
// ignore caller and name, but match the type:
return new ConstantCallSite(printArgs.asType(type));
}
}
*/
// --
private String slashed(String dotted) {
return dotted.replaceAll("\\.", "/");
}
}

View File

@@ -53,14 +53,6 @@ public class JavaMicroBenchmarkTests extends SpringLoadedTests {
average(rtype, 5);
}
private void pause(int seconds) {
System.out.println("waiting...");
try {
Thread.sleep(seconds * 1000);
} catch (Exception e) {
}
}
// TODO fibonacci
private void average(ReloadableType rtype, int count) throws Exception {

View File

@@ -205,7 +205,7 @@ public class ReloadableTypeTests extends SpringLoadedTests {
@Test
public void invokeStaticReloading_gh4_2() throws Exception {
TypeRegistry tr = getTypeRegistry("invokestatic..*");
ReloadableType AA = tr.addType("invokestatic.issue4.AA", loadBytesForClass("invokestatic.issue4.AA"));
tr.addType("invokestatic.issue4.AA", loadBytesForClass("invokestatic.issue4.AA"));
ReloadableType BB = tr.addType("invokestatic.issue4.BB", loadBytesForClass("invokestatic.issue4.BB"));
Result r = runUnguarded(BB.getClazz(), "getMessage");
@@ -272,7 +272,7 @@ public class ReloadableTypeTests extends SpringLoadedTests {
@Test
public void invokeStaticReloading_gh4_6() throws Exception {
TypeRegistry tr = getTypeRegistry("invokestatic.issue4..*");
ReloadableType AB = tr.addType("invokestatic.issue4.AB", loadBytesForClass("invokestatic.issue4.AB"));
tr.addType("invokestatic.issue4.AB", loadBytesForClass("invokestatic.issue4.AB"));
ReloadableType B = tr.addType("invokestatic.issue4.BBBBB", loadBytesForClass("invokestatic.issue4.BBBBB"));
Result r = runUnguarded(B.getClazz(), "getMessage");

View File

@@ -236,6 +236,25 @@ public class ReloadingJVM {
}
Utils.write(new File(testdataDirectory,classfile),data);
}
public void clearTestdataDirectory() {
File[] fs = testdataDirectory.listFiles();
for (File f: fs) {
delete(f);
}
}
private void delete(File toDelete) {
if (toDelete.isDirectory()) {
File[] fs = toDelete.listFiles();
for (File f: fs) {
delete(f);
}
}
else {
toDelete.delete();
}
}
public JVMOutput newInstance(String instanceName, String classname) {
copyToTestdataDirectory(classname);

View File

@@ -97,7 +97,7 @@ public abstract class SpringLoadedTests implements Constants {
protected String CodeJar = "../testdata/code.jar";
// TODO [java8] replace this with project dependency when Java8 is out
protected String Java8CodeJar = "../testdata-java8/build/libs/testdata-java8.jar";
protected String GroovyrtJar = "../testdata-groovy/groovy-1.8.2.jar";
protected String GroovyrtJar = "../testdata-groovy/groovy-all-1.8.6.jar";
protected Result result;
protected TypeRegistry registry;
@@ -1260,5 +1260,12 @@ public abstract class SpringLoadedTests implements Constants {
m.invoke(null);
return captureOff();
}
protected final static void pause(int seconds) {
try {
Thread.sleep(seconds*1000);
} catch (Exception e) {}
}
}

View File

@@ -17,11 +17,15 @@ package org.springsource.loaded.test;
import static org.junit.Assert.fail;
import org.junit.After;
import org.junit.AfterClass;
import org.junit.BeforeClass;
import org.junit.Ignore;
import org.junit.Test;
import org.springsource.loaded.test.ReloadingJVM.JVMOutput;
import sun.misc.Cleaner;
/**
* These tests use a harness that forks a JVM with the agent attached, closely simulating a real environment. The
* forked process is running a special class that can be sent commands.
@@ -42,6 +46,12 @@ public class SpringLoadedTestsInSeparateJVM extends SpringLoadedTests {
public static void stopJVM() {
jvm.shutdown();
}
@After
public void teardown() throws Exception {
super.teardown();
jvm.clearTestdataDirectory();
}
@Test
public void testEcho() throws Exception {
@@ -80,6 +90,10 @@ public class SpringLoadedTestsInSeparateJVM extends SpringLoadedTests {
assertStdout("jvmtwo.Runner.run1() running", jvm.call("a", "run1"));
}
/* careful with this test - when the forked JVM takes a while the output can interfere with later tests, needs fixing up
*
*/
@Ignore
@Test
public void reloadedPerformance() throws Exception {
// debug();
@@ -91,7 +105,7 @@ public class SpringLoadedTestsInSeparateJVM extends SpringLoadedTests {
pause(2);
// In Perf2 the static method is gone, why does it give us a NSME?
jo = jvm.call("a","time"); // 150ms
System.out.println(jo);
pause(5);
}
private final static void debug() {
@@ -103,23 +117,14 @@ public class SpringLoadedTestsInSeparateJVM extends SpringLoadedTests {
jvm = ReloadingJVM.launch(options,true);
}
private final static void pause(int seconds) {
try {
Thread.sleep(seconds*1000);
} catch (Exception e) {}
}
@Test
public void testReloadingInOtherVM() throws Exception {
jvm.newInstance("a", "remote.One");
assertStdout("first", jvm.call("a", "run"));
jvm.newInstance("b", "remote.One");
assertStdout("first", jvm.call("b", "run"));
pause(1);
jvm.updateClass("remote.One",retrieveRename("remote.One","remote.One2"));
try {
Thread.sleep(2000);
} catch (Exception e) {
}
assertStdoutContains("second", jvm.call("a", "run"));
pause(2);
assertStdoutContains("second", jvm.call("b", "run"));
}
// TODO tidyup test data area after each test?
// TODO flush/replace classloader in forked VM to clear it out after each test?
@@ -135,11 +140,14 @@ public class SpringLoadedTestsInSeparateJVM extends SpringLoadedTests {
String subtype="foo.Controller";
jvm.copyToTestdataDirectory(supertype);
jvm.copyToTestdataDirectory(subtype);
jvm.newInstance("a",subtype);
assertStdout("Top.foo() running\nController.foo() running\n", jvm.call("a", "foo"));
JVMOutput jo = jvm.newInstance("bb",subtype);
System.out.println(jo);
pause(1);
assertStdout("Top.foo() running\nController.foo() running\n", jvm.call("bb", "foo"));
pause(1);
jvm.updateClass(subtype,retrieveRename(subtype,subtype+"2"));
waitForReloadToOccur();
JVMOutput jo = jvm.call("a", "foo");
jo = jvm.call("bb", "foo");
assertStdoutContains("Top.foo() running\nController.foo() running again!\n", jo);
}

View File

@@ -19,13 +19,18 @@ import org.objectweb.asm.AnnotationVisitor;
import org.objectweb.asm.Attribute;
import org.objectweb.asm.Label;
import org.objectweb.asm.MethodVisitor;
import org.springsource.loaded.Constants;
import org.springsource.loaded.Utils;
/**
* MethodVisitor that records events - very useful for testing
*/
public class FakeMethodVisitor implements MethodVisitor {
public class FakeMethodVisitor extends MethodVisitor implements Constants {
public FakeMethodVisitor() {
super(ASM5);
}
StringBuilder events = new StringBuilder();

View File

@@ -15,10 +15,9 @@
*/
package org.springsource.loaded.test.infra;
import org.objectweb.asm.ClassAdapter;
import org.objectweb.asm.ClassReader;
import org.objectweb.asm.ClassVisitor;
import org.objectweb.asm.ClassWriter;
import org.objectweb.asm.MethodAdapter;
import org.objectweb.asm.MethodVisitor;
import org.springsource.loaded.Constants;
import org.springsource.loaded.ReloadableType;
@@ -32,7 +31,7 @@ import org.springsource.loaded.TypeRegistry;
* @author Andy Clement
* @version 0.8.3
*/
public class RewriteReflectUtilsDefineClass extends ClassAdapter implements Constants {
public class RewriteReflectUtilsDefineClass extends ClassVisitor implements Constants {
public static byte[] rewriteReflectUtilsDefineClass(byte[] data) {
ClassReader cr = new ClassReader(data);
@@ -43,7 +42,7 @@ public class RewriteReflectUtilsDefineClass extends ClassAdapter implements Cons
}
private RewriteReflectUtilsDefineClass() {
super(new ClassWriter(0)); // TODO review 0 here
super(ASM5,new ClassWriter(0)); // TODO review 0 here
}
public byte[] getBytes() {
@@ -74,10 +73,10 @@ public class RewriteReflectUtilsDefineClass extends ClassAdapter implements Cons
}
}
class DefineClassInterceptor extends MethodAdapter implements Constants {
class DefineClassInterceptor extends MethodVisitor implements Constants {
public DefineClassInterceptor(MethodVisitor mv) {
super(mv);
super(ASM5,mv);
}
@Override

View File

@@ -47,7 +47,7 @@ public class SubLoader extends ClassLoader {
TestUtils.getPathToClasses("../testdata-subloader")
};
static String[] jars = new String[] {
"../testdata-groovy/groovy-1.8.2.jar"
"../testdata-groovy/groovy-all-1.8.6.jar"
};
// @formatter:on
@@ -140,8 +140,8 @@ public class SubLoader extends ClassLoader {
c = defineClass(name, data, 0, data.length);
break;
}
zipfile.close();
}
// zipfile.close();
} catch (Exception e) {
e.printStackTrace();
throw new RuntimeException("Problem defining class", e);

View File

@@ -45,12 +45,12 @@ public class SuperLoader extends ClassLoader {
TestUtils.getPathToClasses("../testdata-superloader")
};
static String[] jars = new String[] {
"../testdata-groovy/groovy-1.8.2.jar"
"../testdata-groovy/groovy-all-1.8.6.jar"
};
// @formatter:on
public SuperLoader() {
jars = new String[] { "../testdata-groovy/groovy-1.8.2.jar" };
jars = new String[] { "../testdata-groovy/groovy-all-1.8.6.jar" };
}
public SuperLoader(String... jars) {
@@ -132,8 +132,8 @@ public class SuperLoader extends ClassLoader {
c = defineClass(name, data, 0, data.length);
break;
}
zipfile.close();
}
// zipfile.close();
} catch (Exception e) {
e.printStackTrace();
}

View File

@@ -51,12 +51,12 @@ public class TestClassloaderWithRewriting extends ClassLoader {
TestUtils.getPathToClasses("../testdata-groovy")
};
static String[] jars = new String[] {
"../testdata-groovy/groovy-1.8.2.jar"
"../testdata-groovy/groovy-all-1.8.6.jar"
};
// @formatter:on
public TestClassloaderWithRewriting() {
jars = new String[] { "../testdata-groovy/groovy-1.8.2.jar" };
jars = new String[] { "../testdata-groovy/groovy-all-1.8.6.jar" };
}
public TestClassloaderWithRewriting(String metainfFolder) {
@@ -64,7 +64,7 @@ public class TestClassloaderWithRewriting extends ClassLoader {
newFolders[0] = folders[0];
newFolders[1] = "../testdata/" + metainfFolder;
folders = newFolders;
jars = new String[] { "../testdata-groovy/groovy-1.8.2.jar" };
jars = new String[] { "../testdata-groovy/groovy-all-1.8.6.jar" };
}
public TestClassloaderWithRewriting(String metainfFolder, boolean b) {
@@ -74,7 +74,7 @@ public class TestClassloaderWithRewriting extends ClassLoader {
newFolders[2] = TestUtils.getPathToClasses("../testdata");
newFolders[3] = TestUtils.getPathToClasses("../testdata-plugin");
folders = newFolders;
jars = new String[] { "../testdata-groovy/groovy-1.8.2.jar" };
jars = new String[] { "../testdata-groovy/groovy-all-1.8.6.jar" };
}
public TestClassloaderWithRewriting(String metainfFolder, boolean b, boolean useRegistry, URLClassLoader classLoader) {
@@ -85,7 +85,7 @@ public class TestClassloaderWithRewriting extends ClassLoader {
newFolders[2] = TestUtils.getPathToClasses("../testdata");
folders = newFolders;
this.useRegistry = useRegistry;
jars = new String[] { "../testdata-groovy/groovy-1.8.2.jar" };
jars = new String[] { "../testdata-groovy/groovy-all-1.8.6.jar" };
}
public TestClassloaderWithRewriting(boolean b, boolean useRegistry, boolean addCglib) {

View File

@@ -3,5 +3,6 @@
<classpathentry kind="src" path="src"/>
<classpathentry exported="true" kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER"/>
<classpathentry exported="true" kind="con" path="GROOVY_SUPPORT"/>
<classpathentry exported="true" kind="con" path="GROOVY_DSL_SUPPORT"/>
<classpathentry kind="output" path="bin"/>
</classpath>

Binary file not shown.

View File

@@ -0,0 +1,6 @@
<?xml version="1.0" encoding="UTF-8"?>
<classpath>
<classpathentry kind="src" path="src/main/java"/>
<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-1.7"/>
<classpathentry kind="output" path="bin"/>
</classpath>

View File

@@ -0,0 +1 @@
#Thu Feb 06 13:01:33 PST 2014

View File

@@ -0,0 +1 @@


17
testdata-java8/.project Normal file
View File

@@ -0,0 +1,17 @@
<?xml version="1.0" encoding="UTF-8"?>
<projectDescription>
<name>testdata-java8</name>
<comment></comment>
<projects>
</projects>
<buildSpec>
<buildCommand>
<name>org.eclipse.jdt.core.javabuilder</name>
<arguments>
</arguments>
</buildCommand>
</buildSpec>
<natures>
<nature>org.eclipse.jdt.core.javanature</nature>
</natures>
</projectDescription>

View File

@@ -0,0 +1,11 @@
eclipse.preferences.version=1
org.eclipse.jdt.core.compiler.codegen.inlineJsrBytecode=enabled
org.eclipse.jdt.core.compiler.codegen.targetPlatform=1.7
org.eclipse.jdt.core.compiler.codegen.unusedLocal=preserve
org.eclipse.jdt.core.compiler.compliance=1.7
org.eclipse.jdt.core.compiler.debug.lineNumber=generate
org.eclipse.jdt.core.compiler.debug.localVariable=generate
org.eclipse.jdt.core.compiler.debug.sourceFile=generate
org.eclipse.jdt.core.compiler.problem.assertIdentifier=error
org.eclipse.jdt.core.compiler.problem.enumIdentifier=error
org.eclipse.jdt.core.compiler.source=1.7

View File

@@ -0,0 +1,3 @@
apply plugin: 'java'
sourceCompatibility = 1.8

2
testdata-java8/build.sh Executable file
View File

@@ -0,0 +1,2 @@
cd src/main/java
find . -name "*.java" | javac

BIN
testdata-java8/code.jar Normal file

Binary file not shown.

Binary file not shown.

View File

@@ -0,0 +1,12 @@
package basic;
public class FirstClass {
public static void main(String[] args) {
System.out.println("This is Java8");
}
public static int run() {
return 8;
}
}

View File

@@ -0,0 +1,16 @@
package basic;
public class LambdaA {
public interface Foo { int m(); }
public static void main(String[] args) {
run();
}
public static int run() {
Foo f = null;
f = () -> 77;
return f.m();
}
}

View File

@@ -0,0 +1,16 @@
package basic;
public class LambdaA2 {
public interface Foo { int m(); }
public static void main(String[] args) {
run();
}
public static int run() {
Foo f = null;
f = () -> 88;
return f.m();
}
}

2
testdata/.classpath vendored
View File

@@ -2,10 +2,10 @@
<classpath>
<classpathentry kind="src" path="src/main/java"/>
<classpathentry kind="con" path="org.eclipse.ajdt.core.ASPECTJRT_CONTAINER"/>
<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.launching.macosx.MacOSXType/Java SE 7 [1.7.0_21]"/>
<classpathentry kind="lib" path="code.jar"/>
<classpathentry kind="lib" path="lib/cglib-nodep-2.2.jar"/>
<classpathentry kind="lib" path="/springloaded/lib/asm-3.2.jar"/>
<classpathentry kind="lib" path="/springloaded/lib/asm-tree-3.2.jar"/>
<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER"/>
<classpathentry kind="output" path="bin"/>
</classpath>