List of usage examples for org.objectweb.asm Opcodes ISTORE
int ISTORE
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From source file:com.sun.fortress.compiler.asmbytecodeoptimizer.DefUseChains.java
License:Open Source License
private static void removeUnboxedValueInsns(AbstractInterpretationValue val, ByteCodeMethodVisitor bcmv) { for (Insn i : val.getDefs()) removeInsn(bcmv, i, val, "RemovingBoxedValueDefinition"); for (Insn i : val.getUses()) { if (i.isBoxingMethod()) { removeInsn(bcmv, i, val, "RemoveBoxingMethod"); } else if (i.isUnBoxingMethod()) { removeInsn(bcmv, i, val, "UnboxingMethod"); } else if (i.isCheckCast()) { removeInsn(bcmv, i, val, "CheckCast"); // FIXME CHF } else if (i instanceof VarInsn) { VarInsn vi = (VarInsn) i;//from w w w . j a v a 2s . c o m if (vi.opcode == Opcodes.ASTORE) { int j = bcmv.insns.indexOf(i); removeInsn(bcmv, i, val, "astoreconversion" + val.getType()); if (val.getType().equals("Lcom/sun/fortress/compiler/runtimeValues/FZZ32;")) bcmv.insns.add(j, new VarInsn("ISTORE", Opcodes.ISTORE, val.getValueNumber(), vi.index)); else if (val.getType().equals("Lcom/sun/fortress/compiler/runtimeValues/FZZ64;")) bcmv.insns.add(j, new VarInsn("LSTORE", Opcodes.LSTORE, val.getValueNumber(), vi.index)); else if (val.getType().equals("Lcom/sun/fortress/compiler/runtimeValues/FRR32;")) bcmv.insns.add(j, new VarInsn("FSTORE", Opcodes.FSTORE, val.getValueNumber(), vi.index)); else if (val.getType().equals("Lcom/sun/fortress/compiler/runtimeValues/FRR64;")) bcmv.insns.add(j, new VarInsn("DSTORE", Opcodes.DSTORE, val.getValueNumber(), vi.index)); else if (val.getType().equals("Lcom/sun/fortress/compiler/runtimeValues/FBoolean;")) bcmv.insns.add(j, new VarInsn("ISTORE", Opcodes.ISTORE, val.getValueNumber(), vi.index)); else bcmv.insns.add(j, new VarInsn("ASTORE", Opcodes.ASTORE, val.getValueNumber(), vi.index)); } else if (vi.opcode == Opcodes.ALOAD) { int j = bcmv.insns.indexOf(i); removeInsn(bcmv, i, val, "Aloadconversion" + val.getType()); if (val.getType().equals("Lcom/sun/fortress/compiler/runtimeValues/FZZ32;")) bcmv.insns.add(j, new VarInsn("ILOAD", Opcodes.ILOAD, val.getValueNumber(), vi.index)); else if (val.getType().equals("Lcom/sun/fortress/compiler/runtimeValues/FZZ64;")) bcmv.insns.add(j, new VarInsn("LLOAD", Opcodes.LLOAD, val.getValueNumber(), vi.index)); else if (val.getType().equals("Lcom/sun/fortress/compiler/runtimeValues/FRR32;")) bcmv.insns.add(j, new VarInsn("FLOAD", Opcodes.FLOAD, val.getValueNumber(), vi.index)); else if (val.getType().equals("Lcom/sun/fortress/compiler/runtimeValues/FRR64;")) bcmv.insns.add(j, new VarInsn("DLOAD", Opcodes.DLOAD, val.getValueNumber(), vi.index)); else if (val.getType().equals("Lcom/sun/fortress/compiler/runtimeValues/FBoolean;")) bcmv.insns.add(j, new VarInsn("ILOAD", Opcodes.ILOAD, val.getValueNumber(), vi.index)); else bcmv.insns.add(j, new VarInsn("ALOAD", Opcodes.ALOAD, val.getValueNumber(), vi.index)); } } else if (i instanceof SingleInsn) { SingleInsn si = (SingleInsn) i; if (si.opcode == Opcodes.ARETURN) { int j = bcmv.insns.indexOf(i); if (val.getType().equals("Lcom/sun/fortress/compiler/runtimeValues/FZZ32;")) bcmv.insns.add(j, new MethodInsn("INVOKESTATIC", Opcodes.INVOKESTATIC, "com/sun/fortress/compiler/runtimeValues/FZZ32", "make", "(I)Lcom/sun/fortress/compiler/runtimeValues/FZZ32;", "ReboxingReturnValue")); else if (val.getType().equals("Lcom/sun/fortress/compiler/runtimeValues/FZZ64;")) bcmv.insns.add(j, new MethodInsn("INVOKESTATIC", Opcodes.INVOKESTATIC, "com/sun/fortress/compiler/runtimeValues/FZZ64", "make", "(J)Lcom/sun/fortress/compiler/runtimeValues/FZZ64;", "ReboxingReturnValue")); else if (val.getType().equals("Lcom/sun/fortress/compiler/runtimeValues/FRR32;")) bcmv.insns.add(j, new MethodInsn("INVOKESTATIC", Opcodes.INVOKESTATIC, "com/sun/fortress/compiler/runtimeValues/FRR32", "make", "(F)Lcom/sun/fortress/compiler/runtimeValues/FRR32;", "ReboxingReturnValue")); else if (val.getType().equals("Lcom/sun/fortress/compiler/runtimeValues/FRR64;")) bcmv.insns.add(j, new MethodInsn("INVOKESTATIC", Opcodes.INVOKESTATIC, "com/sun/fortress/compiler/runtimeValues/FRR64", "make", "(D)Lcom/sun/fortress/compiler/runtimeValues/FRR64;", "ReboxingReturnValue")); else if (val.getType().equals("Lcom/sun/fortress/compiler/runtimeValues/FVoid;")) bcmv.insns.add(j, new MethodInsn("INVOKESTATIC", Opcodes.INVOKESTATIC, "com/sun/fortress/compiler/runtimeValues/FVoid", "make", "()Lcom/sun/fortress/compiler/runtimeValues/FVoid;", "ReboxingReturnValue")); else if (val.getType().equals("Lcom/sun/fortress/compiler/runtimeValues/FBoolean;")) bcmv.insns.add(j, new MethodInsn("INVOKESTATIC", Opcodes.INVOKESTATIC, "com/sun/fortress/compiler/runtimeValues/FBoolean", "make", "(Z)Lcom/sun/fortress/compiler/runtimeValues/FBoolean;", "ReboxingReturnValue")); else if (val.getType().equals("Lcom/sun/fortress/compiler/runtimeValues/FJavaString;")) bcmv.insns.add(j, new MethodInsn("INVOKESTATIC", Opcodes.INVOKESTATIC, "com/sun/fortress/compiler/runtimeValues/FJavaString", "make", "(java.lang.String)Lcom/sun/fortress/compiler/runtimeValues/FJavaString;", "ReboxingReturnValue")); else throw new RuntimeException("Don't recognize var type " + val.getType()); } } } }
From source file:com.sun.fortress.compiler.asmbytecodeoptimizer.Inlining.java
License:Open Source License
public static List<Insn> convertInsns(MethodInsn mi, List<Insn> insns, int[] args, int _index, Label end) { List<Insn> result = new ArrayList<Insn>(); HashMap labels = new HashMap(); int index = _index; for (Insn i : insns) { if (i.isExpanded()) { MethodInsn expanded = (MethodInsn) i; // This use of end should be OK because all returns should have been removed when inlined before. // What could go wrong? result.addAll(convertInsns(expanded, expanded.inlineExpansionInsns, args, _index, end)); } else if (i instanceof SingleInsn) { SingleInsn si = (SingleInsn) i; switch (si.opcode) { case Opcodes.IRETURN: case Opcodes.LRETURN: case Opcodes.FRETURN: case Opcodes.DRETURN: case Opcodes.ARETURN: case Opcodes.RETURN: result.add(new JumpInsn("RETURN->GOTO", Opcodes.GOTO, end, newIndex(mi, index++))); break; default: result.add(i.copy(newIndex(mi, index++))); }/*from w ww . ja v a2 s.c om*/ } else if (i instanceof VarInsn) { VarInsn vi = (VarInsn) i; switch (vi.opcode) { case Opcodes.ILOAD: case Opcodes.LLOAD: case Opcodes.FLOAD: case Opcodes.DLOAD: case Opcodes.ALOAD: case Opcodes.ISTORE: case Opcodes.LSTORE: case Opcodes.FSTORE: case Opcodes.DSTORE: case Opcodes.ASTORE: VarInsn newVarInsn = new VarInsn(vi.name, vi.opcode, args[vi.var], newIndex(mi, index++)); result.add(newVarInsn); break; default: result.add(i.copy(newIndex(mi, index++))); } } else if (i instanceof VisitMaxs) { } else if (i instanceof VisitEnd) { } else if (i instanceof VisitCode) { } else if (i instanceof VisitFrame) { } else if (i instanceof LabelInsn) { LabelInsn li = (LabelInsn) i; if (labels.containsKey(li.label)) result.add(new LabelInsn(li.name, (Label) labels.get(li.label), newIndex(mi, index++))); else { Label l = new Label(); labels.put(li.label, l); result.add(new LabelInsn(li.name, l, newIndex(mi, index++))); } } else if (i instanceof JumpInsn) { JumpInsn ji = (JumpInsn) i; if (labels.containsKey(ji.label)) result.add( new JumpInsn(ji.name, ji.opcode, (Label) labels.get(ji.label), newIndex(mi, index++))); else { Label l = new Label(); labels.put(ji.label, l); result.add(new JumpInsn(ji.name, ji.opcode, l, newIndex(mi, index++))); } } else if (i instanceof VisitLineNumberInsn) { VisitLineNumberInsn vlni = (VisitLineNumberInsn) i; if (labels.containsKey(vlni.start)) result.add(new VisitLineNumberInsn(vlni.name, vlni.line, (Label) labels.get(vlni.start), newIndex(mi, index++))); else { Label l = new Label(); labels.put(vlni.start, l); result.add(new VisitLineNumberInsn(vlni.name, vlni.line, l, newIndex(mi, index++))); } } else if (i instanceof LocalVariableInsn) { LocalVariableInsn lvi = (LocalVariableInsn) i; if (labels.containsKey(lvi.start) && labels.containsKey(lvi.end)) { result.add(new LocalVariableInsn(lvi.name, lvi._name, lvi.desc, lvi.sig, (Label) labels.get(lvi.start), (Label) labels.get(lvi.end), args[lvi._index], newIndex(mi, index++))); } else throw new RuntimeException("NYI"); } else if (i instanceof TryCatchBlock) { TryCatchBlock tcb = (TryCatchBlock) i; if (labels.containsKey(tcb.start) && labels.containsKey(tcb.end) && labels.containsKey(tcb.handler)) { result.add( new TryCatchBlock(tcb.name, (Label) labels.get(tcb.start), (Label) labels.get(tcb.end), (Label) labels.get(tcb.handler), tcb.type, newIndex(mi, index++))); } else if (!labels.containsKey(tcb.start) && !labels.containsKey(tcb.end) && !labels.containsKey(tcb.handler)) { Label s = new Label(); Label e = new Label(); Label h = new Label(); labels.put(tcb.start, s); labels.put(tcb.end, e); labels.put(tcb.handler, h); result.add(new TryCatchBlock(tcb.name, s, e, h, tcb.type, newIndex(mi, index++))); } else throw new RuntimeException("NYI"); // Need to add TableSwitch, LookupSwitch } else { result.add(i.copy(newIndex(mi, index++))); } } return result; }
From source file:com.sun.fortress.compiler.environments.TopLevelEnvGen.java
License:Open Source License
/** * Implementing "static reflection" for the method getFooRaw so the * interpreter uses a switch instruction for ***GetRaw * based on the hash values of String names in this namespace. *///from w w w . j a v a 2s. c om private static void writeMethodGetRaw(ClassWriter cw, String className, String methodName, EnvironmentClass environmentClass, EnvSymbolNames symbolNames) { MethodVisitor mv = cw.visitMethod(Opcodes.ACC_PUBLIC, methodName, "(Ljava/lang/String;)" + environmentClass.descriptor(), null, null); mv.visitCode(); Label beginFunction = new Label(); mv.visitLabel(beginFunction); mv.visitVarInsn(Opcodes.ALOAD, 1); mv.visitMethodInsn(Opcodes.INVOKEVIRTUAL, "java/lang/String", "hashCode", "()I"); mv.visitVarInsn(Opcodes.ISTORE, 2); Label beginLoop = new Label(); mv.visitLabel(beginLoop); Relation<String, Integer> hashCodeRelation = symbolNames.makeHashCodeRelation(environmentClass); ArrayList<Integer> sortedCodes = new ArrayList<Integer>(hashCodeRelation.secondSet()); Collections.sort(sortedCodes); Label returnNull = new Label(); getRawHelper(mv, className, hashCodeRelation, environmentClass, sortedCodes, returnNull); mv.visitLabel(returnNull); mv.visitInsn(Opcodes.ACONST_NULL); mv.visitInsn(Opcodes.ARETURN); Label endFunction = new Label(); mv.visitLabel(endFunction); mv.visitLocalVariable("this", Naming.internalToDesc(className), null, beginFunction, endFunction, 0); mv.visitLocalVariable("queryString", "Ljava/lang/String;", null, beginFunction, endFunction, 1); mv.visitLocalVariable("queryHashCode", "I", null, beginLoop, endFunction, 2); // See comment above on ClassWriter.COMPUTE_FRAMES mv.visitMaxs(2, 3); mv.visitEnd(); }
From source file:com.sun.fortress.compiler.environments.TopLevelEnvGen.java
License:Open Source License
/** * Implementing "static reflection" for the method putRaw so the * interpreter uses a switch instruction for ***PutRaw * based on the hash values of String names in this namespace. *//*from w w w.j a v a 2 s . com*/ private static void writeMethodPutRaw(ClassWriter cw, String className, String methodName, EnvironmentClass environmentClass, EnvSymbolNames symbolNames) { MethodVisitor mv = cw.visitMethod(Opcodes.ACC_PUBLIC, methodName, "(" + STRING_DESCRIPTOR + environmentClass.descriptor() + ")V", null, null); mv.visitCode(); Label beginFunction = new Label(); mv.visitLabel(beginFunction); mv.visitVarInsn(Opcodes.ALOAD, 1); mv.visitMethodInsn(Opcodes.INVOKEVIRTUAL, STRING_INTERNALNAME, "hashCode", "()I"); mv.visitVarInsn(Opcodes.ISTORE, 3); Label beginLoop = new Label(); mv.visitLabel(beginLoop); Relation<String, Integer> hashCodeRelation = symbolNames.makeHashCodeRelation(environmentClass); ArrayList<Integer> sortedCodes = new ArrayList<Integer>(hashCodeRelation.secondSet()); Collections.sort(sortedCodes); Label notFound = new Label(); putRawHelper(mv, className, environmentClass, hashCodeRelation, sortedCodes, notFound); mv.visitLabel(notFound); mv.visitInsn(Opcodes.RETURN); Label endFunction = new Label(); mv.visitLabel(endFunction); mv.visitLocalVariable("this", Naming.internalToDesc(className), null, beginFunction, endFunction, 0); mv.visitLocalVariable("queryString", STRING_DESCRIPTOR, null, beginFunction, endFunction, 1); mv.visitLocalVariable("value", environmentClass.descriptor(), null, beginFunction, endFunction, 2); mv.visitLocalVariable("queryHashCode", "I", null, beginLoop, endFunction, 3); // See comment above on ClassWriter.COMPUTE_FRAMES mv.visitMaxs(2, 4); mv.visitEnd(); }
From source file:com.trigersoft.jaque.expression.ExpressionMethodVisitor.java
License:Apache License
@Override public void visitVarInsn(int opcode, int var) { if (_me != null) { if (var == 0) { _exprStack.push(_me);/*from w w w . j a v a2s. c o m*/ return; } var--; } Class<?> type; switch (opcode) { case Opcodes.ISTORE: case Opcodes.LSTORE: case Opcodes.FSTORE: case Opcodes.DSTORE: case Opcodes.ASTORE: case Opcodes.RET: default: throw notLambda(opcode); case Opcodes.ILOAD: type = Integer.TYPE; break; case Opcodes.LLOAD: type = Long.TYPE; break; case Opcodes.FLOAD: type = Float.TYPE; break; case Opcodes.DLOAD: type = Double.TYPE; break; case Opcodes.ALOAD: type = _argTypes[var]; break; } _exprStack.push(Expression.parameter(type, var)); }
From source file:com.yahoo.yqlplus.engine.internal.compiler.LocalValue.java
@Override public BytecodeSequence write(final BytecodeExpression value) { return new BytecodeSequence() { @Override/*from www . j a v a 2s . c o m*/ public void generate(CodeEmitter code) { code.checkFrame(LocalValue.this); value.generate(code); code.getMethodVisitor().visitVarInsn(type.getJVMType().getOpcode(Opcodes.ISTORE), start); } }; }
From source file:com.yahoo.yqlplus.engine.internal.compiler.LocalValue.java
@Override public BytecodeSequence write(final TypeWidget top) { return new BytecodeSequence() { @Override/*from w ww . j a v a 2s. c om*/ public void generate(CodeEmitter code) { code.checkFrame(LocalValue.this); code.cast(type, top); code.getMethodVisitor().visitVarInsn(type.getJVMType().getOpcode(Opcodes.ISTORE), start); } }; }
From source file:de.dynamicfiles.projects.gradle.plugins.javafx.tasks.internal.MonkeyPatcher.java
License:Apache License
private static void doMonkeyPatchFileHandleLeak(ClassReader classReader, ClassWriter classWriter) { classReader.accept(new ClassVisitor(Opcodes.ASM5, classWriter) { @Override//from w w w . ja v a 2 s . c o m public MethodVisitor visitMethod(int access, String name, String desc, String signature, String[] exceptions) { if (!(name.equals(METHOD_TO_MONKEY_PATCH) && desc.equals(METHOD_SIGNATURE_TO_MONKEY_PATCH))) { return super.visitMethod(access, name, desc, signature, exceptions); } // helpful source: http://web.cs.ucla.edu/~msb/cs239-tutorial/ // "We will do this using the Adapter Pattern. Adapters wrap an object, overriding some of its methods, and delegating to the others." // ugly adapter-pattern ... took me more time than I really can tell here <.< return getMonkeyPatchedFileHandleLeakMethodVisitor(access, name, desc, signature, exceptions); } private MethodVisitor getMonkeyPatchedFileHandleLeakMethodVisitor(int access, String name, String desc, String signature, String[] exceptions) { return new MethodVisitor(Opcodes.ASM5, super.visitMethod(access, name, desc, signature, exceptions)) { /* TODO improve detection of lambda-positions, numbers might vary on different compile-versions */ @Override public void visitCode() { // This mostly got generated from ASM itself, except some adjustments for lambda-IDs and removed "visitMaxs()"-call String javalangThrowable = "java/lang/Throwable"; String javaioFile = "java/io/File"; String javalangString = "java/lang/String"; Label l0 = new Label(); Label l1 = new Label(); Label l2 = new Label(); mv.visitTryCatchBlock(l0, l1, l2, javalangThrowable); Label l3 = new Label(); Label l4 = new Label(); Label l5 = new Label(); mv.visitTryCatchBlock(l3, l4, l5, javalangThrowable); Label l6 = new Label(); mv.visitTryCatchBlock(l3, l4, l6, null); Label l7 = new Label(); Label l8 = new Label(); Label l9 = new Label(); mv.visitTryCatchBlock(l7, l8, l9, javalangThrowable); Label l10 = new Label(); mv.visitTryCatchBlock(l5, l10, l6, null); mv.visitInsn(Opcodes.ACONST_NULL); mv.visitVarInsn(Opcodes.ASTORE, 3); mv.visitVarInsn(Opcodes.ALOAD, 2); Label l11 = new Label(); mv.visitJumpInsn(Opcodes.IFNULL, l11); mv.visitVarInsn(Opcodes.ALOAD, 2); mv.visitMethodInsn(Opcodes.INVOKEVIRTUAL, javaioFile, "isDirectory", "()Z", false); Label l12 = new Label(); mv.visitJumpInsn(Opcodes.IFNE, l12); mv.visitLabel(l11); mv.visitFrame(Opcodes.F_APPEND, 1, new Object[] { javalangString }, 0, null); mv.visitTypeInsn(Opcodes.NEW, javaioFile); mv.visitInsn(Opcodes.DUP); mv.visitLdcInsn("java.home"); mv.visitMethodInsn(Opcodes.INVOKESTATIC, "java/lang/System", "getProperty", "(Ljava/lang/String;)Ljava/lang/String;", false); mv.visitMethodInsn(Opcodes.INVOKESPECIAL, javaioFile, "<init>", "(Ljava/lang/String;)V", false); mv.visitVarInsn(Opcodes.ASTORE, 2); mv.visitLabel(l12); mv.visitFrame(Opcodes.F_SAME, 0, null, 0, null); mv.visitFieldInsn(Opcodes.GETSTATIC, "com/oracle/tools/packager/windows/WinAppBundler", "VS_VERS", "[Ljava/lang/String;"); mv.visitVarInsn(Opcodes.ASTORE, 4); mv.visitVarInsn(Opcodes.ALOAD, 4); mv.visitInsn(Opcodes.ARRAYLENGTH); mv.visitVarInsn(Opcodes.ISTORE, 5); mv.visitInsn(Opcodes.ICONST_0); mv.visitVarInsn(Opcodes.ISTORE, 6); Label l13 = new Label(); mv.visitLabel(l13); mv.visitFrame(Opcodes.F_APPEND, 3, new Object[] { "[Ljava/lang/String;", Opcodes.INTEGER, Opcodes.INTEGER }, 0, null); mv.visitVarInsn(Opcodes.ILOAD, 6); mv.visitVarInsn(Opcodes.ILOAD, 5); Label l14 = new Label(); mv.visitJumpInsn(Opcodes.IF_ICMPGE, l14); mv.visitVarInsn(Opcodes.ALOAD, 4); mv.visitVarInsn(Opcodes.ILOAD, 6); mv.visitInsn(Opcodes.AALOAD); mv.visitVarInsn(Opcodes.ASTORE, 7); mv.visitVarInsn(Opcodes.ALOAD, 0); mv.visitVarInsn(Opcodes.ALOAD, 1); mv.visitVarInsn(Opcodes.ALOAD, 7); mv.visitMethodInsn(Opcodes.INVOKESPECIAL, "com/oracle/tools/packager/windows/WinAppBundler", "copyMSVCDLLs", "(Ljava/io/File;Ljava/lang/String;)Z", false); Label l15 = new Label(); mv.visitJumpInsn(Opcodes.IFEQ, l15); mv.visitVarInsn(Opcodes.ALOAD, 7); mv.visitVarInsn(Opcodes.ASTORE, 3); mv.visitJumpInsn(Opcodes.GOTO, l14); mv.visitLabel(l15); mv.visitFrame(Opcodes.F_SAME, 0, null, 0, null); mv.visitIincInsn(6, 1); mv.visitJumpInsn(Opcodes.GOTO, l13); mv.visitLabel(l14); mv.visitFrame(Opcodes.F_CHOP, 3, null, 0, null); mv.visitVarInsn(Opcodes.ALOAD, 3); Label l16 = new Label(); mv.visitJumpInsn(Opcodes.IFNONNULL, l16); mv.visitTypeInsn(Opcodes.NEW, "java/lang/RuntimeException"); mv.visitInsn(Opcodes.DUP); mv.visitLdcInsn("Not found MSVC dlls"); mv.visitMethodInsn(Opcodes.INVOKESPECIAL, "java/lang/RuntimeException", "<init>", "(Ljava/lang/String;)V", false); mv.visitInsn(Opcodes.ATHROW); mv.visitLabel(l16); mv.visitFrame(Opcodes.F_SAME, 0, null, 0, null); mv.visitTypeInsn(Opcodes.NEW, "java/util/concurrent/atomic/AtomicReference"); mv.visitInsn(Opcodes.DUP); mv.visitMethodInsn(Opcodes.INVOKESPECIAL, "java/util/concurrent/atomic/AtomicReference", "<init>", "()V", false); mv.visitVarInsn(Opcodes.ASTORE, 4); mv.visitVarInsn(Opcodes.ALOAD, 3); mv.visitVarInsn(Opcodes.ASTORE, 5); mv.visitVarInsn(Opcodes.ALOAD, 2); mv.visitMethodInsn(Opcodes.INVOKEVIRTUAL, javaioFile, "toPath", "()Ljava/nio/file/Path;", false); mv.visitLdcInsn("bin"); mv.visitMethodInsn(Opcodes.INVOKEINTERFACE, "java/nio/file/Path", "resolve", "(Ljava/lang/String;)Ljava/nio/file/Path;", true); mv.visitMethodInsn(Opcodes.INVOKESTATIC, "java/nio/file/Files", "list", "(Ljava/nio/file/Path;)Ljava/util/stream/Stream;", false); mv.visitVarInsn(Opcodes.ASTORE, 6); mv.visitInsn(Opcodes.ACONST_NULL); mv.visitVarInsn(Opcodes.ASTORE, 7); mv.visitLabel(l3); mv.visitVarInsn(Opcodes.ALOAD, 6); mv.visitInvokeDynamicInsn("test", "()Ljava/util/function/Predicate;", new Handle( Opcodes.H_INVOKESTATIC, "java/lang/invoke/LambdaMetafactory", "metafactory", "(Ljava/lang/invoke/MethodHandles$Lookup;Ljava/lang/String;Ljava/lang/invoke/MethodType;Ljava/lang/invoke/MethodType;Ljava/lang/invoke/MethodHandle;Ljava/lang/invoke/MethodType;)Ljava/lang/invoke/CallSite;"), new Object[] { Type.getType("(Ljava/lang/Object;)Z"), new Handle(Opcodes.H_INVOKESTATIC, "com/oracle/tools/packager/windows/WinAppBundler", "lambda$copyMSVCDLLs$261", "(Ljava/nio/file/Path;)Z"), Type.getType("(Ljava/nio/file/Path;)Z") }); // modified lambda-name mv.visitMethodInsn(Opcodes.INVOKEINTERFACE, "java/util/stream/Stream", "filter", "(Ljava/util/function/Predicate;)Ljava/util/stream/Stream;", true); mv.visitVarInsn(Opcodes.ALOAD, 5); mv.visitInvokeDynamicInsn("test", "(Ljava/lang/String;)Ljava/util/function/Predicate;", new Handle(Opcodes.H_INVOKESTATIC, "java/lang/invoke/LambdaMetafactory", "metafactory", "(Ljava/lang/invoke/MethodHandles$Lookup;Ljava/lang/String;Ljava/lang/invoke/MethodType;Ljava/lang/invoke/MethodType;Ljava/lang/invoke/MethodHandle;Ljava/lang/invoke/MethodType;)Ljava/lang/invoke/CallSite;"), new Object[] { Type.getType("(Ljava/lang/Object;)Z"), new Handle( Opcodes.H_INVOKESTATIC, "com/oracle/tools/packager/windows/WinAppBundler", "lambda$copyMSVCDLLs$262", "(Ljava/lang/String;Ljava/nio/file/Path;)Z"), Type.getType("(Ljava/nio/file/Path;)Z") }); // modified lambda-name mv.visitMethodInsn(Opcodes.INVOKEINTERFACE, "java/util/stream/Stream", "filter", "(Ljava/util/function/Predicate;)Ljava/util/stream/Stream;", true); mv.visitVarInsn(Opcodes.ALOAD, 1); mv.visitVarInsn(Opcodes.ALOAD, 4); mv.visitInvokeDynamicInsn("accept", "(Ljava/io/File;Ljava/util/concurrent/atomic/AtomicReference;)Ljava/util/function/Consumer;", new Handle(Opcodes.H_INVOKESTATIC, "java/lang/invoke/LambdaMetafactory", "metafactory", "(Ljava/lang/invoke/MethodHandles$Lookup;Ljava/lang/String;Ljava/lang/invoke/MethodType;Ljava/lang/invoke/MethodType;Ljava/lang/invoke/MethodHandle;Ljava/lang/invoke/MethodType;)Ljava/lang/invoke/CallSite;"), new Object[] { Type.getType("(Ljava/lang/Object;)V"), new Handle( Opcodes.H_INVOKESTATIC, "com/oracle/tools/packager/windows/WinAppBundler", "lambda$copyMSVCDLLs$263", "(Ljava/io/File;Ljava/util/concurrent/atomic/AtomicReference;Ljava/nio/file/Path;)V"), Type.getType("(Ljava/nio/file/Path;)V") }); // modified lambda-name mv.visitMethodInsn(Opcodes.INVOKEINTERFACE, "java/util/stream/Stream", "forEach", "(Ljava/util/function/Consumer;)V", true); mv.visitLabel(l4); mv.visitVarInsn(Opcodes.ALOAD, 6); Label l17 = new Label(); mv.visitJumpInsn(Opcodes.IFNULL, l17); mv.visitVarInsn(Opcodes.ALOAD, 7); Label l18 = new Label(); mv.visitJumpInsn(Opcodes.IFNULL, l18); mv.visitLabel(l0); mv.visitVarInsn(Opcodes.ALOAD, 6); mv.visitMethodInsn(Opcodes.INVOKEINTERFACE, "java/util/stream/Stream", "close", "()V", true); mv.visitLabel(l1); mv.visitJumpInsn(Opcodes.GOTO, l17); mv.visitLabel(l2); mv.visitFrame(Opcodes.F_FULL, 8, new Object[] { "com/oracle/tools/packager/windows/WinAppBundler", javaioFile, javaioFile, javalangString, "java/util/concurrent/atomic/AtomicReference", javalangString, "java/util/stream/Stream", javalangThrowable }, 1, new Object[] { javalangThrowable }); mv.visitVarInsn(Opcodes.ASTORE, 8); mv.visitVarInsn(Opcodes.ALOAD, 7); mv.visitVarInsn(Opcodes.ALOAD, 8); mv.visitMethodInsn(Opcodes.INVOKEVIRTUAL, javalangThrowable, "addSuppressed", "(Ljava/lang/Throwable;)V", false); mv.visitJumpInsn(Opcodes.GOTO, l17); mv.visitLabel(l18); mv.visitFrame(Opcodes.F_SAME, 0, null, 0, null); mv.visitVarInsn(Opcodes.ALOAD, 6); mv.visitMethodInsn(Opcodes.INVOKEINTERFACE, "java/util/stream/Stream", "close", "()V", true); mv.visitJumpInsn(Opcodes.GOTO, l17); mv.visitLabel(l5); mv.visitFrame(Opcodes.F_SAME1, 0, null, 1, new Object[] { javalangThrowable }); mv.visitVarInsn(Opcodes.ASTORE, 8); mv.visitVarInsn(Opcodes.ALOAD, 8); mv.visitVarInsn(Opcodes.ASTORE, 7); mv.visitVarInsn(Opcodes.ALOAD, 8); mv.visitInsn(Opcodes.ATHROW); mv.visitLabel(l6); mv.visitFrame(Opcodes.F_SAME1, 0, null, 1, new Object[] { javalangThrowable }); mv.visitVarInsn(Opcodes.ASTORE, 9); mv.visitLabel(l10); mv.visitVarInsn(Opcodes.ALOAD, 6); Label l19 = new Label(); mv.visitJumpInsn(Opcodes.IFNULL, l19); mv.visitVarInsn(Opcodes.ALOAD, 7); Label l20 = new Label(); mv.visitJumpInsn(Opcodes.IFNULL, l20); mv.visitLabel(l7); mv.visitVarInsn(Opcodes.ALOAD, 6); mv.visitMethodInsn(Opcodes.INVOKEINTERFACE, "java/util/stream/Stream", "close", "()V", true); mv.visitLabel(l8); mv.visitJumpInsn(Opcodes.GOTO, l19); mv.visitLabel(l9); mv.visitFrame(Opcodes.F_FULL, 10, new Object[] { "com/oracle/tools/packager/windows/WinAppBundler", javaioFile, javaioFile, javalangString, "java/util/concurrent/atomic/AtomicReference", javalangString, "java/util/stream/Stream", javalangThrowable, Opcodes.TOP, javalangThrowable }, 1, new Object[] { javalangThrowable }); mv.visitVarInsn(Opcodes.ASTORE, 10); mv.visitVarInsn(Opcodes.ALOAD, 7); mv.visitVarInsn(Opcodes.ALOAD, 10); mv.visitMethodInsn(Opcodes.INVOKEVIRTUAL, javalangThrowable, "addSuppressed", "(Ljava/lang/Throwable;)V", false); mv.visitJumpInsn(Opcodes.GOTO, l19); mv.visitLabel(l20); mv.visitFrame(Opcodes.F_SAME, 0, null, 0, null); mv.visitVarInsn(Opcodes.ALOAD, 6); mv.visitMethodInsn(Opcodes.INVOKEINTERFACE, "java/util/stream/Stream", "close", "()V", true); mv.visitLabel(l19); mv.visitFrame(Opcodes.F_SAME, 0, null, 0, null); mv.visitVarInsn(Opcodes.ALOAD, 9); mv.visitInsn(Opcodes.ATHROW); mv.visitLabel(l17); mv.visitFrame(Opcodes.F_FULL, 6, new Object[] { "com/oracle/tools/packager/windows/WinAppBundler", javaioFile, javaioFile, javalangString, "java/util/concurrent/atomic/AtomicReference", javalangString }, 0, new Object[] {}); mv.visitVarInsn(Opcodes.ALOAD, 4); mv.visitMethodInsn(Opcodes.INVOKEVIRTUAL, "java/util/concurrent/atomic/AtomicReference", "get", "()Ljava/lang/Object;", false); mv.visitTypeInsn(Opcodes.CHECKCAST, "java/io/IOException"); mv.visitVarInsn(Opcodes.ASTORE, 6); mv.visitVarInsn(Opcodes.ALOAD, 6); Label l21 = new Label(); mv.visitJumpInsn(Opcodes.IFNULL, l21); mv.visitVarInsn(Opcodes.ALOAD, 6); mv.visitInsn(Opcodes.ATHROW); mv.visitLabel(l21); mv.visitFrame(Opcodes.F_APPEND, 1, new Object[] { "java/io/IOException" }, 0, null); mv.visitInsn(Opcodes.RETURN); } }; } }, ClassReader.EXPAND_FRAMES); // ClassReader.EXPAND_FRAMES required for Java 8 }
From source file:de.kandid.model.Emitter.java
License:Apache License
/** * Assembles a class that implements the given interface by generating the byte code. * @param interfaze the interface to implement * @return the class/* www . j av a 2 s. co m*/ */ private static Class<? extends Emitter<?>> makeClass(Class<?> interfaze) { String nameClass = _nameEmitter + '$' + interfaze.getName().replace('.', '$'); String nameInterface = Type.getInternalName(interfaze); // ClassWriter cw = new ClassWriter(ClassWriter.COMPUTE_MAXS | ClassWriter.COMPUTE_FRAMES); ClassWriter cw = new ClassWriter(0); cw.visit(V1_4, ACC_PUBLIC + ACC_SUPER, nameClass, null, _nameEmitter, new String[] { name(interfaze) }); // Generate default construcotor MethodVisitor cv = cw.visitMethod(ACC_PUBLIC, "<init>", "()V", null, null); cv.visitVarInsn(ALOAD, 0); cv.visitMethodInsn(INVOKESPECIAL, _nameEmitter, "<init>", "()V"); cv.visitInsn(RETURN); cv.visitMaxs(1, 1); // Generate methods Method[] methods = interfaze.getMethods(); for (int i = 0; i < methods.length; ++i) { final Method m = methods[i]; if (m.getReturnType() != void.class) throw new IllegalArgumentException("Method " + m.toGenericString() + " must not return a value"); final String descMethod = Type.getMethodDescriptor(m); final MethodVisitor mw = cw.visitMethod(ACC_PUBLIC + ACC_SYNCHRONIZED, m.getName(), descMethod, null, null); final Type[] argTypes = Type.getArgumentTypes(m); // for (int i = 0; i < _end; i += 2) // ((Listener) _listeners[i]).send(...); int localStart = 1; // give one for "this" for (Type at : argTypes) localStart += at.getSize(); Label entry = new Label(); Label exit = new Label(); mw.visitLabel(entry); // _isFiring = true; mw.visitVarInsn(ALOAD, 0); mw.visitInsn(Opcodes.ICONST_1); mw.visitFieldInsn(Opcodes.PUTFIELD, nameClass, "_isFiring", Type.BOOLEAN_TYPE.getDescriptor()); // setup local variables: i, _listeners, _end mw.visitLocalVariable("i", Type.INT_TYPE.getDescriptor(), null, entry, exit, localStart); mw.visitInsn(Opcodes.ICONST_0); mw.visitIntInsn(Opcodes.ISTORE, localStart); mw.visitLocalVariable("listeners", _descObjectArray, null, entry, exit, localStart + 1); mw.visitVarInsn(ALOAD, 0); mw.visitFieldInsn(GETFIELD, nameClass, "_listeners", _descObjectArray); mw.visitIntInsn(Opcodes.ASTORE, localStart + 1); mw.visitLocalVariable("end", Type.INT_TYPE.getDescriptor(), null, entry, exit, localStart + 2); mw.visitVarInsn(ALOAD, 0); mw.visitFieldInsn(GETFIELD, nameClass, "_end", Type.INT_TYPE.getDescriptor()); mw.visitIntInsn(Opcodes.ISTORE, localStart + 2); final Label condition = new Label(); mw.visitJumpInsn(GOTO, condition); final Label loop = new Label(); mw.visitLabel(loop); //((Listener) _listeners[i]).doSomething() mw.visitIntInsn(Opcodes.ALOAD, localStart + 1); mw.visitIntInsn(Opcodes.ILOAD, localStart); mw.visitInsn(Opcodes.AALOAD); mw.visitTypeInsn(CHECKCAST, nameInterface); int offs = 1; // give one for "this" for (Type at : argTypes) { mw.visitVarInsn(at.getOpcode(ILOAD), offs); offs += at.getSize(); } mw.visitMethodInsn(INVOKEINTERFACE, nameInterface, m.getName(), descMethod); // i += 2 mw.visitIincInsn(localStart, 2); // if (i < end) goto loop mw.visitLabel(condition); mw.visitIntInsn(Opcodes.ILOAD, localStart); mw.visitIntInsn(Opcodes.ILOAD, localStart + 2); mw.visitJumpInsn(Opcodes.IF_ICMPLT, loop); // _isFiring = false; mw.visitVarInsn(ALOAD, 0); mw.visitInsn(Opcodes.ICONST_0); mw.visitFieldInsn(Opcodes.PUTFIELD, nameClass, "_isFiring", Type.BOOLEAN_TYPE.getDescriptor()); mw.visitLabel(exit); mw.visitInsn(RETURN); mw.visitMaxs(localStart + 2, localStart + 3); mw.visitEnd(); } cw.visitEnd(); return _loader.loadClass(cw, nameClass.replace('/', '.')); }
From source file:de.sanandrew.core.manpack.transformer.TransformHorseArmor.java
License:Creative Commons License
private static void transformOnInvChanged(MethodNode method) { InsnList needle = new InsnList(); needle.add(new VarInsnNode(Opcodes.ALOAD, 0)); needle.add(ASMHelper.getMethodInsnNode(Opcodes.INVOKEVIRTUAL, ASMNames.MD_HORSE_IS_SADDLED, false)); needle.add(new VarInsnNode(Opcodes.ISTORE, 3)); AbstractInsnNode pointer = ASMHelper.findLastNodeFromNeedle(method.instructions, needle); InsnList newInstr = new InsnList(); newInstr.add(new LabelNode()); newInstr.add(new VarInsnNode(Opcodes.ALOAD, 0)); newInstr.add(//from w ww .j ava2 s . c o m ASMHelper.getMethodInsnNode(Opcodes.INVOKESPECIAL, ASMNames.MD_SAP_GET_CUSTOM_ARMOR_ITEM, false)); newInstr.add(new VarInsnNode(Opcodes.ASTORE, 4)); method.instructions.insert(pointer, newInstr); needle = new InsnList(); needle.add(new LdcInsnNode("mob.horse.armor")); needle.add(new LdcInsnNode(0.5F)); needle.add(new InsnNode(Opcodes.FCONST_1)); needle.add(ASMHelper.getMethodInsnNode(Opcodes.INVOKEVIRTUAL, ASMNames.MD_HORSE_PLAY_SOUND, false)); needle.add(new LabelNode()); pointer = ASMHelper.findLastNodeFromNeedle(method.instructions, needle); newInstr = new InsnList(); newInstr.add(new VarInsnNode(Opcodes.ALOAD, 4)); newInstr.add(ASMHelper.getMethodInsnNode(Opcodes.INVOKEVIRTUAL, ASMNames.MD_ITEMSTACK_GET_ITEM, false)); newInstr.add(ASMHelper.getFieldInsnNode(Opcodes.GETSTATIC, ASMNames.FD_ITEMS_IRON_SHOVEL)); LabelNode l9 = new LabelNode(); newInstr.add(new JumpInsnNode(Opcodes.IF_ACMPNE, l9)); newInstr.add(new VarInsnNode(Opcodes.ALOAD, 4)); newInstr.add(new VarInsnNode(Opcodes.ALOAD, 0)); newInstr.add( ASMHelper.getMethodInsnNode(Opcodes.INVOKESPECIAL, ASMNames.MD_SAP_GET_CUSTOM_ARMOR_ITEM, false)); newInstr.add( ASMHelper.getMethodInsnNode(Opcodes.INVOKEVIRTUAL, ASMNames.MD_ITEMSTACK_IS_ITEM_EQUAL, false)); newInstr.add(new JumpInsnNode(Opcodes.IFNE, l9)); newInstr.add(new LabelNode()); newInstr.add(new VarInsnNode(Opcodes.ALOAD, 0)); newInstr.add(new LdcInsnNode("mob.horse.armor")); newInstr.add(new LdcInsnNode(0.5F)); newInstr.add(new InsnNode(Opcodes.FCONST_1)); newInstr.add(ASMHelper.getMethodInsnNode(Opcodes.INVOKEVIRTUAL, ASMNames.MD_HORSE_PLAY_SOUND, false)); newInstr.add(l9); method.instructions.insert(pointer, newInstr); }