List of usage examples for org.objectweb.asm Opcodes IALOAD
int IALOAD
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From source file:br.usp.each.saeg.badua.test.validation.MaxTest.java
License:Open Source License
@Override @Before//from ww w .j a v a2 s .c om public void setUp() throws Exception { super.setUp(); final int classVersion = Opcodes.V1_6; final int classAccessor = Opcodes.ACC_PUBLIC | Opcodes.ACC_SUPER; final String className = "Max"; final String superName = "java/lang/Object"; final int methodAccessor = Opcodes.ACC_PUBLIC | Opcodes.ACC_STATIC; final String methodName = "max"; final String methodDesc = "([II)I"; final ClassWriter cw = new ClassWriter(0); final MethodVisitor mw; cw.visit(classVersion, classAccessor, className, null, superName, null); mw = cw.visitMethod(methodAccessor, methodName, methodDesc, null, null); mw.visitCode(); // block 0 (definitions {0, 1, 2, 3}) mw.visitInsn(Opcodes.ICONST_0); mw.visitVarInsn(Opcodes.ISTORE, 2); mw.visitVarInsn(Opcodes.ALOAD, 0); mw.visitVarInsn(Opcodes.ILOAD, 2); mw.visitIincInsn(2, 1); mw.visitInsn(Opcodes.IALOAD); mw.visitVarInsn(Opcodes.ISTORE, 3); // block 1 (p-uses {1, 2}) final Label backLoop = new Label(); mw.visitLabel(backLoop); mw.visitVarInsn(Opcodes.ILOAD, 2); mw.visitVarInsn(Opcodes.ILOAD, 1); final Label breakLoop = new Label(); mw.visitJumpInsn(Opcodes.IF_ICMPGE, breakLoop); // block 3 (p-uses {0, 2, 3}) mw.visitVarInsn(Opcodes.ALOAD, 0); mw.visitVarInsn(Opcodes.ILOAD, 2); mw.visitInsn(Opcodes.IALOAD); mw.visitVarInsn(Opcodes.ILOAD, 3); final Label jump = new Label(); mw.visitJumpInsn(Opcodes.IF_ICMPLE, jump); // block 5 (definitions {3}, uses {0, 2}) mw.visitVarInsn(Opcodes.ALOAD, 0); mw.visitVarInsn(Opcodes.ILOAD, 2); mw.visitInsn(Opcodes.IALOAD); mw.visitVarInsn(Opcodes.ISTORE, 3); // block 4 (definitions {2}, uses {2}) mw.visitLabel(jump); mw.visitIincInsn(2, 1); mw.visitJumpInsn(Opcodes.GOTO, backLoop); // block 2 ( uses {3}) mw.visitLabel(breakLoop); mw.visitVarInsn(Opcodes.ILOAD, 3); mw.visitInsn(Opcodes.IRETURN); mw.visitMaxs(2, 4); mw.visitEnd(); cw.visitEnd(); final byte[] bytes = cw.toByteArray(); klass = addClass(className, bytes); method = klass.getMethod(methodName, int[].class, int.class); classId = CRC64.checksum(bytes); RT.init(new RuntimeData()); }
From source file:bytecode.InstructionExporter.java
License:Apache License
/** * Outputs a read operation, choosing both the correct opcode family (variable * read, array load, field get, etc.) and type. * * @param instruction Read instruction./*from w w w . j av a 2 s .c o m*/ * @return <code>null</code> */ @Override public Void visit(Read instruction) { // Variable Reads if (instruction.getState() instanceof Variable) { Variable v = (Variable) instruction.getState(); switch (v.getType().getSort()) { case LONG: mv.visitVarInsn(Opcodes.LLOAD, v.getIndex()); break; case FLOAT: mv.visitVarInsn(Opcodes.FLOAD, v.getIndex()); break; case DOUBLE: mv.visitVarInsn(Opcodes.DLOAD, v.getIndex()); break; case REF: mv.visitVarInsn(Opcodes.ALOAD, v.getIndex()); break; default: mv.visitVarInsn(Opcodes.ILOAD, v.getIndex()); break; } // Array Loads } else if (instruction.getState() instanceof ArrayElement) { switch (instruction.getState().getType().getSort()) { case INT: mv.visitInsn(Opcodes.IALOAD); break; case LONG: mv.visitInsn(Opcodes.LALOAD); break; case FLOAT: mv.visitInsn(Opcodes.FALOAD); break; case DOUBLE: mv.visitInsn(Opcodes.DALOAD); break; case REF: mv.visitInsn(Opcodes.AALOAD); break; case BYTE: mv.visitInsn(Opcodes.BALOAD); break; case BOOL: mv.visitInsn(Opcodes.BALOAD); break; case CHAR: mv.visitInsn(Opcodes.CALOAD); break; case SHORT: mv.visitInsn(Opcodes.SALOAD); break; } // Static Reads } else if (instruction.getState() instanceof Field) { Field f = (Field) instruction.getState(); mv.visitFieldInsn(Opcodes.GETSTATIC, f.getOwner().getName(), f.getName(), f.getType().getDescriptor()); // Field Reads } else if (instruction.getState() instanceof InstanceField) { Field f = (Field) ((InstanceField) instruction.getState()).getField(); mv.visitFieldInsn(Opcodes.GETFIELD, f.getOwner().getName(), f.getName(), f.getType().getDescriptor()); } return null; }
From source file:bytecode.MethodImporter.java
License:Apache License
/** * Imports instructions with no immediate operands. * * @param opcode Opcode.//from w w w . j a v a2 s . c o m */ @Override public void visitInsn(final int opcode) { Producer a, b, c, d; Type top; switch (opcode) { // Constants case Opcodes.ACONST_NULL: createConstant(null); break; case Opcodes.ICONST_M1: createConstant(new Integer(-1)); break; case Opcodes.ICONST_0: createConstant(new Integer(0)); break; case Opcodes.ICONST_1: createConstant(new Integer(1)); break; case Opcodes.ICONST_2: createConstant(new Integer(2)); break; case Opcodes.ICONST_3: createConstant(new Integer(3)); break; case Opcodes.ICONST_4: createConstant(new Integer(4)); break; case Opcodes.ICONST_5: createConstant(new Integer(5)); break; case Opcodes.LCONST_0: createConstant(new Long(0)); break; case Opcodes.LCONST_1: createConstant(new Long(1)); break; case Opcodes.FCONST_0: createConstant(new Float(0.0f)); break; case Opcodes.FCONST_1: createConstant(new Float(1.0f)); break; case Opcodes.FCONST_2: createConstant(new Float(2.0f)); break; case Opcodes.DCONST_0: createConstant(new Double(0.0f)); break; case Opcodes.DCONST_1: createConstant(new Double(1.0f)); break; // Binary Operations case Opcodes.IADD: createArithmetic(Arithmetic.Operator.ADD, Type.INT); break; case Opcodes.LADD: createArithmetic(Arithmetic.Operator.ADD, Type.LONG); break; case Opcodes.FADD: createArithmetic(Arithmetic.Operator.ADD, Type.FLOAT); break; case Opcodes.DADD: createArithmetic(Arithmetic.Operator.ADD, Type.DOUBLE); break; case Opcodes.ISUB: createArithmetic(Arithmetic.Operator.SUB, Type.INT); break; case Opcodes.LSUB: createArithmetic(Arithmetic.Operator.SUB, Type.LONG); break; case Opcodes.FSUB: createArithmetic(Arithmetic.Operator.SUB, Type.FLOAT); break; case Opcodes.DSUB: createArithmetic(Arithmetic.Operator.SUB, Type.DOUBLE); break; case Opcodes.IMUL: createArithmetic(Arithmetic.Operator.MUL, Type.INT); break; case Opcodes.LMUL: createArithmetic(Arithmetic.Operator.MUL, Type.LONG); break; case Opcodes.FMUL: createArithmetic(Arithmetic.Operator.MUL, Type.FLOAT); break; case Opcodes.DMUL: createArithmetic(Arithmetic.Operator.MUL, Type.DOUBLE); break; case Opcodes.IDIV: createArithmetic(Arithmetic.Operator.DIV, Type.INT); break; case Opcodes.LDIV: createArithmetic(Arithmetic.Operator.DIV, Type.LONG); break; case Opcodes.FDIV: createArithmetic(Arithmetic.Operator.DIV, Type.FLOAT); break; case Opcodes.DDIV: createArithmetic(Arithmetic.Operator.DIV, Type.DOUBLE); break; case Opcodes.IREM: createArithmetic(Arithmetic.Operator.REM, Type.INT); break; case Opcodes.LREM: createArithmetic(Arithmetic.Operator.REM, Type.LONG); break; case Opcodes.FREM: createArithmetic(Arithmetic.Operator.REM, Type.FLOAT); break; case Opcodes.DREM: createArithmetic(Arithmetic.Operator.REM, Type.DOUBLE); break; case Opcodes.IAND: createArithmetic(Arithmetic.Operator.AND, Type.INT); break; case Opcodes.LAND: createArithmetic(Arithmetic.Operator.AND, Type.LONG); break; case Opcodes.IOR: createArithmetic(Arithmetic.Operator.OR, Type.INT); break; case Opcodes.LOR: createArithmetic(Arithmetic.Operator.OR, Type.LONG); break; case Opcodes.IXOR: createArithmetic(Arithmetic.Operator.XOR, Type.INT); break; case Opcodes.LXOR: createArithmetic(Arithmetic.Operator.XOR, Type.LONG); break; case Opcodes.ISHL: createArithmetic(Arithmetic.Operator.SHL, Type.INT); break; case Opcodes.LSHL: createArithmetic(Arithmetic.Operator.SHL, Type.LONG); break; case Opcodes.ISHR: createArithmetic(Arithmetic.Operator.SHR, Type.INT); break; case Opcodes.LSHR: createArithmetic(Arithmetic.Operator.SHR, Type.LONG); break; case Opcodes.IUSHR: createArithmetic(Arithmetic.Operator.USHR, Type.INT); break; case Opcodes.LUSHR: createArithmetic(Arithmetic.Operator.USHR, Type.LONG); break; case Opcodes.LCMP: createCompare(false, Type.LONG); break; case Opcodes.FCMPL: createCompare(false, Type.FLOAT); break; case Opcodes.FCMPG: createCompare(true, Type.FLOAT); break; case Opcodes.DCMPL: createCompare(false, Type.DOUBLE); break; case Opcodes.DCMPG: createCompare(true, Type.DOUBLE); break; case Opcodes.INEG: createNegate(); break; case Opcodes.LNEG: createNegate(); break; case Opcodes.FNEG: createNegate(); break; case Opcodes.DNEG: createNegate(); break; case Opcodes.I2L: createConvert(Type.LONG); break; case Opcodes.I2F: createConvert(Type.FLOAT); break; case Opcodes.I2D: createConvert(Type.DOUBLE); break; case Opcodes.I2B: createConvert(Type.BYTE); break; case Opcodes.I2C: createConvert(Type.CHAR); break; case Opcodes.I2S: createConvert(Type.SHORT); break; case Opcodes.L2I: createConvert(Type.INT); break; case Opcodes.L2F: createConvert(Type.FLOAT); break; case Opcodes.L2D: createConvert(Type.DOUBLE); break; case Opcodes.F2I: createConvert(Type.INT); break; case Opcodes.F2L: createConvert(Type.LONG); break; case Opcodes.F2D: createConvert(Type.DOUBLE); break; case Opcodes.D2I: createConvert(Type.INT); break; case Opcodes.D2F: createConvert(Type.FLOAT); break; case Opcodes.D2L: createConvert(Type.LONG); break; case Opcodes.IALOAD: createArrayRead(Type.INT); break; case Opcodes.LALOAD: createArrayRead(Type.LONG); break; case Opcodes.FALOAD: createArrayRead(Type.FLOAT); break; case Opcodes.DALOAD: createArrayRead(Type.DOUBLE); break; case Opcodes.AALOAD: createArrayRead(Type.getFreshRef()); break; case Opcodes.BALOAD: createArrayRead(Type.BYTE); break; case Opcodes.CALOAD: createArrayRead(Type.CHAR); break; case Opcodes.SALOAD: createArrayRead(Type.SHORT); break; case Opcodes.IASTORE: createArrayWrite(Type.INT); break; case Opcodes.LASTORE: createArrayWrite(Type.LONG); break; case Opcodes.FASTORE: createArrayWrite(Type.FLOAT); break; case Opcodes.DASTORE: createArrayWrite(Type.DOUBLE); break; case Opcodes.AASTORE: createArrayWrite(Type.getFreshRef()); break; case Opcodes.BASTORE: createArrayWrite(Type.BYTE); break; case Opcodes.CASTORE: createArrayWrite(Type.CHAR); break; case Opcodes.SASTORE: createArrayWrite(Type.SHORT); break; case Opcodes.IRETURN: createReturn(Type.INT); break; case Opcodes.LRETURN: createReturn(Type.LONG); break; case Opcodes.FRETURN: createReturn(Type.FLOAT); break; case Opcodes.DRETURN: createReturn(Type.DOUBLE); break; case Opcodes.ARETURN: createReturn(Type.REF); break; case Opcodes.RETURN: createReturn(null); break; case Opcodes.ATHROW: createThrow(); break; // Array Length case Opcodes.ARRAYLENGTH: ordered.add(stack.push(new ArrayLength(stack.pop()))); break; // Swap case Opcodes.SWAP: a = stack.pop(); b = stack.pop(); stack.push(a); stack.push(b); ordered.add(new StackOperation(StackOperation.Sort.SWAP)); break; // Duplicates case Opcodes.DUP: stack.push(stack.peek()); ordered.add(new StackOperation(StackOperation.Sort.DUP)); break; case Opcodes.DUP2: top = stack.peek().getType(); // Type 2 Values if (top.getSize() == 2) { stack.push(stack.peek()); // Type 1 Values } else { b = stack.pop(); a = stack.pop(); stack.push(a); stack.push(b); stack.push(a); stack.push(b); } ordered.add(new StackOperation(StackOperation.Sort.DUP2)); break; case Opcodes.DUP_X1: b = stack.pop(); a = stack.pop(); stack.push(b); stack.push(a); stack.push(b); ordered.add(new StackOperation(StackOperation.Sort.DUP_X1)); break; case Opcodes.DUP_X2: top = stack.peek().getType(); // Type 2 Values if (top.getSize() == 2) { b = stack.pop(); a = stack.pop(); stack.push(b); stack.push(a); stack.push(b); // Type 1 Values } else { c = stack.pop(); b = stack.pop(); a = stack.pop(); stack.push(c); stack.push(a); stack.push(b); stack.push(c); } ordered.add(new StackOperation(StackOperation.Sort.DUP_X2)); break; // Pops case Opcodes.POP: stack.pop(); ordered.add(new StackOperation(StackOperation.Sort.POP)); break; case Opcodes.POP2: top = stack.peek().getType(); // Type 2 Values if (top.getSize() == 2) { stack.pop(); // Type 1 Values } else { stack.pop(); stack.pop(); } ordered.add(new StackOperation(StackOperation.Sort.POP2)); break; // TODO: DUP2_X1, DUP2_X2, MONITORENTER, MONITOREXIT case Opcodes.MONITORENTER: throw new RuntimeException("visitInsn: MONITORENTER"); case Opcodes.MONITOREXIT: throw new RuntimeException("visitInsn: MONITOREXIT"); case Opcodes.DUP2_X1: throw new RuntimeException("visitInsn: DUP2_X1"); case Opcodes.DUP2_X2: throw new RuntimeException("visitInsn: DUP2_X2"); default: throw new RuntimeException("visitInsn: " + opcode); } }
From source file:com.android.tools.lint.checks.ApiDetector.java
License:Apache License
@SuppressWarnings("rawtypes") // ASM API @Override//from www . j av a2 s . co m public void checkClass(@NonNull final ClassContext context, @NonNull ClassNode classNode) { if (mApiDatabase == null) { return; } if (AOSP_BUILD && classNode.name.startsWith("android/support/")) { //$NON-NLS-1$ return; } // Requires util package (add prebuilts/tools/common/asm-tools/asm-debug-all-4.0.jar) //classNode.accept(new TraceClassVisitor(new PrintWriter(System.out))); int classMinSdk = getClassMinSdk(context, classNode); if (classMinSdk == -1) { classMinSdk = getMinSdk(context); } List methodList = classNode.methods; if (methodList.isEmpty()) { return; } boolean checkCalls = context.isEnabled(UNSUPPORTED) || context.isEnabled(INLINED); boolean checkMethods = context.isEnabled(OVERRIDE) && context.getMainProject().getBuildSdk() >= 1; String frameworkParent = null; if (checkMethods) { LintDriver driver = context.getDriver(); String owner = classNode.superName; while (owner != null) { // For virtual dispatch, walk up the inheritance chain checking // each inherited method if ((owner.startsWith("android/") //$NON-NLS-1$ && !owner.startsWith("android/support/")) //$NON-NLS-1$ || owner.startsWith("java/") //$NON-NLS-1$ || owner.startsWith("javax/")) { //$NON-NLS-1$ frameworkParent = owner; break; } owner = driver.getSuperClass(owner); } if (frameworkParent == null) { checkMethods = false; } } if (checkCalls) { // Check implements/extends if (classNode.superName != null) { String signature = classNode.superName; checkExtendsClass(context, classNode, classMinSdk, signature); } if (classNode.interfaces != null) { @SuppressWarnings("unchecked") // ASM API List<String> interfaceList = classNode.interfaces; for (String signature : interfaceList) { checkExtendsClass(context, classNode, classMinSdk, signature); } } } for (Object m : methodList) { MethodNode method = (MethodNode) m; int minSdk = getLocalMinSdk(method.invisibleAnnotations); if (minSdk == -1) { minSdk = classMinSdk; } InsnList nodes = method.instructions; if (checkMethods && Character.isJavaIdentifierStart(method.name.charAt(0))) { int buildSdk = context.getMainProject().getBuildSdk(); String name = method.name; assert frameworkParent != null; int api = mApiDatabase.getCallVersion(frameworkParent, name, method.desc); if (api > buildSdk && buildSdk != -1) { // TODO: Don't complain if it's annotated with @Override; that means // somehow the build target isn't correct. String fqcn; String owner = classNode.name; if (CONSTRUCTOR_NAME.equals(name)) { fqcn = "new " + ClassContext.getFqcn(owner); //$NON-NLS-1$ } else { fqcn = ClassContext.getFqcn(owner) + '#' + name; } String message = String.format( "This method is not overriding anything with the current build " + "target, but will in API level %1$d (current target is %2$d): %3$s", api, buildSdk, fqcn); Location location = context.getLocation(method, classNode); context.report(OVERRIDE, method, null, location, message, null); } } if (!checkCalls) { continue; } if (CHECK_DECLARATIONS) { // Check types in parameter list and types of local variables List localVariables = method.localVariables; if (localVariables != null) { for (Object v : localVariables) { LocalVariableNode var = (LocalVariableNode) v; String desc = var.desc; if (desc.charAt(0) == 'L') { // "Lpackage/Class;" => "package/Bar" String className = desc.substring(1, desc.length() - 1); int api = mApiDatabase.getClassVersion(className); if (api > minSdk) { String fqcn = ClassContext.getFqcn(className); String message = String.format( "Class requires API level %1$d (current min is %2$d): %3$s", api, minSdk, fqcn); report(context, message, var.start, method, className.substring(className.lastIndexOf('/') + 1), null, SearchHints.create(NEAREST).matchJavaSymbol()); } } } } // Check return type // The parameter types are already handled as local variables so we can skip // right to the return type. // Check types in parameter list String signature = method.desc; if (signature != null) { int args = signature.indexOf(')'); if (args != -1 && signature.charAt(args + 1) == 'L') { String type = signature.substring(args + 2, signature.length() - 1); int api = mApiDatabase.getClassVersion(type); if (api > minSdk) { String fqcn = ClassContext.getFqcn(type); String message = String.format( "Class requires API level %1$d (current min is %2$d): %3$s", api, minSdk, fqcn); AbstractInsnNode first = nodes.size() > 0 ? nodes.get(0) : null; report(context, message, first, method, method.name, null, SearchHints.create(BACKWARD).matchJavaSymbol()); } } } } for (int i = 0, n = nodes.size(); i < n; i++) { AbstractInsnNode instruction = nodes.get(i); int type = instruction.getType(); if (type == AbstractInsnNode.METHOD_INSN) { MethodInsnNode node = (MethodInsnNode) instruction; String name = node.name; String owner = node.owner; String desc = node.desc; // No need to check methods in this local class; we know they // won't be an API match if (node.getOpcode() == Opcodes.INVOKEVIRTUAL && owner.equals(classNode.name)) { owner = classNode.superName; } boolean checkingSuperClass = false; while (owner != null) { int api = mApiDatabase.getCallVersion(owner, name, desc); if (api > minSdk) { if (method.name.startsWith(SWITCH_TABLE_PREFIX)) { // We're in a compiler-generated method to generate an // array indexed by enum ordinal values to enum values. The enum // itself must be requiring a higher API number than is // currently used, but the call site for the switch statement // will also be referencing it, so no need to report these // calls. break; } if (!checkingSuperClass && node.getOpcode() == Opcodes.INVOKEVIRTUAL && methodDefinedLocally(classNode, name, desc)) { break; } String fqcn; if (CONSTRUCTOR_NAME.equals(name)) { fqcn = "new " + ClassContext.getFqcn(owner); //$NON-NLS-1$ } else { fqcn = ClassContext.getFqcn(owner) + '#' + name; } String message = String.format( "Call requires API level %1$d (current min is %2$d): %3$s", api, minSdk, fqcn); if (name.equals(ORDINAL_METHOD) && instruction.getNext() != null && instruction.getNext().getNext() != null && instruction.getNext().getOpcode() == Opcodes.IALOAD && instruction.getNext().getNext().getOpcode() == Opcodes.TABLESWITCH) { message = String.format( "Enum for switch requires API level %1$d " + "(current min is %2$d): %3$s", api, minSdk, ClassContext.getFqcn(owner)); } report(context, message, node, method, name, null, SearchHints.create(FORWARD).matchJavaSymbol()); } // For virtual dispatch, walk up the inheritance chain checking // each inherited method if (owner.startsWith("android/") //$NON-NLS-1$ || owner.startsWith("javax/")) { //$NON-NLS-1$ // The API map has already inlined all inherited methods // so no need to keep checking up the chain // -- unless it's the support library which is also in // the android/ namespace: if (owner.startsWith("android/support/")) { //$NON-NLS-1$ owner = context.getDriver().getSuperClass(owner); } else { owner = null; } } else if (owner.startsWith("java/")) { //$NON-NLS-1$ if (owner.equals(LocaleDetector.DATE_FORMAT_OWNER)) { checkSimpleDateFormat(context, method, node, minSdk); } // Already inlined; see comment above owner = null; } else if (node.getOpcode() == Opcodes.INVOKEVIRTUAL) { owner = context.getDriver().getSuperClass(owner); } else if (node.getOpcode() == Opcodes.INVOKESTATIC && api == -1) { // Inherit through static classes as well owner = context.getDriver().getSuperClass(owner); } else { owner = null; } checkingSuperClass = true; } } else if (type == AbstractInsnNode.FIELD_INSN) { FieldInsnNode node = (FieldInsnNode) instruction; String name = node.name; String owner = node.owner; int api = mApiDatabase.getFieldVersion(owner, name); if (api > minSdk) { if (method.name.startsWith(SWITCH_TABLE_PREFIX)) { checkSwitchBlock(context, classNode, node, method, name, owner, api, minSdk); continue; } String fqcn = ClassContext.getFqcn(owner) + '#' + name; if (mPendingFields != null) { mPendingFields.remove(fqcn); } String message = String.format("Field requires API level %1$d (current min is %2$d): %3$s", api, minSdk, fqcn); report(context, message, node, method, name, null, SearchHints.create(FORWARD).matchJavaSymbol()); } } else if (type == AbstractInsnNode.LDC_INSN) { LdcInsnNode node = (LdcInsnNode) instruction; if (node.cst instanceof Type) { Type t = (Type) node.cst; String className = t.getInternalName(); int api = mApiDatabase.getClassVersion(className); if (api > minSdk) { String fqcn = ClassContext.getFqcn(className); String message = String.format( "Class requires API level %1$d (current min is %2$d): %3$s", api, minSdk, fqcn); report(context, message, node, method, className.substring(className.lastIndexOf('/') + 1), null, SearchHints.create(FORWARD).matchJavaSymbol()); } } } } } }
From source file:com.codename1.tools.translator.BytecodeMethod.java
License:Open Source License
boolean optimize() { int instructionCount = instructions.size(); // optimize away a method that only contains the void return instruction e.g. blank constructors etc. if (instructionCount < 6) { int realCount = instructionCount; Instruction actual = null;// www . ja va 2s . c o m for (int iter = 0; iter < instructionCount; iter++) { Instruction current = instructions.get(iter); if (current instanceof LabelInstruction) { realCount--; continue; } if (current instanceof LineNumber) { realCount--; continue; } actual = current; } if (realCount == 1 && actual != null && actual.getOpcode() == Opcodes.RETURN) { return false; } } boolean astoreCalls = false; boolean hasInstructions = false; boolean hasTryCatch = false; for (int iter = 0; iter < instructionCount - 1; iter++) { Instruction current = instructions.get(iter); if (current instanceof TryCatch) { hasTryCatch = true; } current.setMethod(this); if (current.isOptimized()) { continue; } int currentOpcode = current.getOpcode(); switch (currentOpcode) { case Opcodes.CHECKCAST: { // Remove the check cast for now as it gets in the way of other optimizations instructions.remove(iter); iter--; instructionCount--; break; } } } for (int iter = 0; iter < instructionCount - 1; iter++) { Instruction current = instructions.get(iter); if (current.isOptimized()) { // This instruction has already been optimized // we should skip it and proceed to the next one continue; } Instruction next = instructions.get(iter + 1); int currentOpcode = current.getOpcode(); int nextOpcode = next.getOpcode(); if (ArithmeticExpression.isArithmeticOp(current)) { int addedIndex = ArithmeticExpression.tryReduce(instructions, iter); if (addedIndex >= 0) { iter = addedIndex; instructionCount = instructions.size(); continue; } } if (current instanceof Field) { int newIter = Field.tryReduce(instructions, iter); if (newIter >= 0) { iter = newIter; instructionCount = instructions.size(); continue; } } switch (currentOpcode) { case Opcodes.ARRAYLENGTH: { if (!dependentClasses.contains("java_lang_NullPointerException")) { dependentClasses.add("java_lang_NullPointerException"); } int newIter = ArrayLengthExpression.tryReduce(instructions, iter); if (newIter >= 0) { instructionCount = instructions.size(); iter = newIter; continue; } break; } case Opcodes.DUP: { int newIter = DupExpression.tryReduce(instructions, iter); if (newIter >= 0) { iter = newIter; instructionCount = instructions.size(); continue; } break; } case Opcodes.POP: { if (iter > 0) { Instruction prev = instructions.get(iter - 1); if (prev instanceof CustomInvoke) { CustomInvoke inv = (CustomInvoke) prev; if (inv.methodHasReturnValue()) { inv.setNoReturn(true); instructions.remove(iter); iter--; instructionCount--; continue; } } } break; } case Opcodes.ASTORE: case Opcodes.ISTORE: case Opcodes.DSTORE: case Opcodes.LSTORE: case Opcodes.FSTORE: { if (iter > 0 && current instanceof VarOp) { VarOp currentVarOp = (VarOp) current; Instruction prev = instructions.get(iter - 1); if (prev instanceof AssignableExpression) { AssignableExpression expr = (AssignableExpression) prev; StringBuilder sb = new StringBuilder(); if (currentVarOp.assignFrom(expr, sb)) { instructions.remove(iter - 1); instructions.remove(iter - 1); instructions.add(iter - 1, new CustomIntruction(sb.toString(), sb.toString(), dependentClasses)); iter = iter - 1; instructionCount = instructions.size(); continue; } } else if (prev instanceof CustomInvoke) { CustomInvoke inv = (CustomInvoke) prev; StringBuilder sb = new StringBuilder(); if (currentVarOp.assignFrom(inv, sb)) { instructions.remove(iter - 1); instructions.remove(iter - 1); instructions.add(iter - 1, new CustomIntruction(sb.toString(), sb.toString(), dependentClasses)); iter = iter - 1; instructionCount = instructions.size(); continue; } } } break; } case Opcodes.IRETURN: case Opcodes.FRETURN: case Opcodes.ARETURN: case Opcodes.LRETURN: case Opcodes.DRETURN: { if (iter > 0 && current instanceof BasicInstruction) { Instruction prev = instructions.get(iter - 1); if (prev instanceof AssignableExpression) { AssignableExpression expr = (AssignableExpression) prev; StringBuilder sb = new StringBuilder(); if (expr.assignTo(null, sb)) { instructions.remove(iter - 1); instructions.remove(iter - 1); String exprString = sb.toString().trim(); String retVal = exprString; sb.setLength(0); if (!prev.isConstant()) { sb.append("\n{\n "); switch (currentOpcode) { case Opcodes.IRETURN: sb.append("JAVA_INT"); break; case Opcodes.FRETURN: sb.append("JAVA_FLOAT"); break; case Opcodes.ARETURN: sb.append("JAVA_OBJECT"); break; case Opcodes.LRETURN: sb.append("JAVA_LONG"); break; case Opcodes.DRETURN: sb.append("JAVA_DOUBLE"); break; } sb.append(" ___returnValue=").append(exprString).append(";\n"); retVal = "___returnValue"; } if (synchronizedMethod) { if (staticMethod) { sb.append(" monitorExit(threadStateData, (JAVA_OBJECT)&class__"); sb.append(getClsName()); sb.append(");\n"); } else { sb.append(" monitorExit(threadStateData, __cn1ThisObject);\n"); } } if (hasTryCatch) { sb.append( " releaseForReturnInException(threadStateData, cn1LocalsBeginInThread, methodBlockOffset); return ") .append(retVal).append(";\n"); } else { sb.append(" releaseForReturn(threadStateData, cn1LocalsBeginInThread); return ") .append(retVal).append(";\n"); } if (!prev.isConstant()) { sb.append("}\n"); } instructions.add(iter - 1, new CustomIntruction(sb.toString(), sb.toString(), dependentClasses)); iter--; instructionCount = instructions.size(); continue; } } else if (prev instanceof CustomInvoke) { CustomInvoke expr = (CustomInvoke) prev; String returnType = expr.getReturnValue(); if (returnType != null && !"JAVA_OBJECT".equals(returnType)) { // We can't safely return a JAVA_OBJECT directly because it needs to be added // to the stack for the GC StringBuilder sb = new StringBuilder(); if (expr.appendExpression(sb)) { instructions.remove(iter - 1); instructions.remove(iter - 1); String exprString = sb.toString().trim(); String retVal = exprString; sb.setLength(0); if (!expr.isConstant()) { sb.append("\n{\n "); switch (currentOpcode) { case Opcodes.IRETURN: sb.append("JAVA_INT"); break; case Opcodes.FRETURN: sb.append("JAVA_FLOAT"); break; case Opcodes.ARETURN: sb.append("JAVA_OBJECT"); break; case Opcodes.LRETURN: sb.append("JAVA_LONG"); break; case Opcodes.DRETURN: sb.append("JAVA_DOUBLE"); break; } sb.append(" ___returnValue=").append(exprString).append(";\n"); retVal = "___returnValue"; } if (synchronizedMethod) { if (staticMethod) { sb.append(" monitorExit(threadStateData, (JAVA_OBJECT)&class__"); sb.append(getClsName()); sb.append(");\n"); } else { sb.append(" monitorExit(threadStateData, __cn1ThisObject);\n"); } } if (hasTryCatch) { sb.append( " releaseForReturnInException(threadStateData, cn1LocalsBeginInThread, methodBlockOffset); return ") .append(retVal).append(";\n"); } else { sb.append( " releaseForReturn(threadStateData, cn1LocalsBeginInThread); return ") .append(retVal).append(";\n"); } if (!expr.isConstant()) { sb.append("}\n"); } instructions.add(iter - 1, new CustomIntruction(sb.toString(), sb.toString(), dependentClasses)); iter--; instructionCount = instructions.size(); continue; } } } } break; } case Opcodes.BASTORE: case Opcodes.SASTORE: case Opcodes.CASTORE: case Opcodes.AASTORE: case Opcodes.IASTORE: case Opcodes.DASTORE: case Opcodes.LASTORE: case Opcodes.FASTORE: { if (iter > 2 && current instanceof BasicInstruction) { StringBuilder devNull = new StringBuilder(); String arrayLiteral = null; String indexLiteral = null; String valueLiteral = null; Instruction prev3 = instructions.get(iter - 3); if (prev3 instanceof AssignableExpression) { if (((AssignableExpression) prev3).assignTo(null, devNull)) { arrayLiteral = devNull.toString().trim(); } } devNull.setLength(0); Instruction prev2 = instructions.get(iter - 2); if (prev2 instanceof AssignableExpression) { if (((AssignableExpression) prev2).assignTo(null, devNull)) { indexLiteral = devNull.toString().trim(); } } devNull.setLength(0); Instruction prev1 = instructions.get(iter - 1); if (prev1 instanceof AssignableExpression) { if (((AssignableExpression) prev1).assignTo(null, devNull)) { valueLiteral = devNull.toString().trim(); } } else if (prev1 instanceof CustomInvoke) { devNull.setLength(0); if (((CustomInvoke) prev1).appendExpression(devNull)) { valueLiteral = devNull.toString().trim(); } } if (arrayLiteral != null && indexLiteral != null && valueLiteral != null) { String elementType = null; switch (current.getOpcode()) { case Opcodes.AASTORE: elementType = "OBJECT"; break; case Opcodes.IASTORE: elementType = "INT"; break; case Opcodes.DASTORE: elementType = "DOUBLE"; break; case Opcodes.LASTORE: elementType = "LONG"; break; case Opcodes.FASTORE: elementType = "FLOAT"; break; case Opcodes.CASTORE: elementType = "CHAR"; break; case Opcodes.BASTORE: elementType = "BYTE"; break; case Opcodes.SASTORE: elementType = "SHORT"; break; } if (elementType == null) { break; } instructions.remove(iter - 3); instructions.remove(iter - 3); instructions.remove(iter - 3); instructions.remove(iter - 3); String code = " CN1_SET_ARRAY_ELEMENT_" + elementType + "(" + arrayLiteral + ", " + indexLiteral + ", " + valueLiteral + ");\n"; instructions.add(iter - 3, new CustomIntruction(code, code, dependentClasses)); iter = iter - 3; instructionCount = instructions.size(); continue; } } break; } case Opcodes.FALOAD: case Opcodes.BALOAD: case Opcodes.IALOAD: case Opcodes.LALOAD: case Opcodes.DALOAD: case Opcodes.AALOAD: case Opcodes.SALOAD: case Opcodes.CALOAD: { int newIter = ArrayLoadExpression.tryReduce(instructions, iter); if (newIter >= 0) { iter = newIter; instructionCount = instructions.size(); continue; } break; } /* Try to optimize if statements that just use constants and local variables so that they don't need the intermediate push and pop from the stack. */ case Opcodes.IF_ACMPEQ: case Opcodes.IF_ACMPNE: case Opcodes.IF_ICMPLE: case Opcodes.IF_ICMPLT: case Opcodes.IF_ICMPNE: case Opcodes.IF_ICMPGT: case Opcodes.IF_ICMPEQ: case Opcodes.IF_ICMPGE: { if (iter > 1) { Instruction leftArg = instructions.get(iter - 2); Instruction rightArg = instructions.get(iter - 1); String leftLiteral = null; String rightLiteral = null; if (leftArg instanceof AssignableExpression) { StringBuilder sb = new StringBuilder(); if (((AssignableExpression) leftArg).assignTo(null, sb)) { leftLiteral = sb.toString().trim(); } } else if (leftArg instanceof CustomInvoke) { CustomInvoke inv = (CustomInvoke) leftArg; StringBuilder sb = new StringBuilder(); if (!"JAVA_OBJECT".equals(inv.getReturnValue()) && inv.appendExpression(sb)) { leftLiteral = sb.toString().trim(); } } if (rightArg instanceof AssignableExpression) { StringBuilder sb = new StringBuilder(); if (((AssignableExpression) rightArg).assignTo(null, sb)) { rightLiteral = sb.toString().trim(); } } else if (rightArg instanceof CustomInvoke) { CustomInvoke inv = (CustomInvoke) rightArg; StringBuilder sb = new StringBuilder(); if (!"JAVA_OBJECT".equals(inv.getReturnValue()) && inv.appendExpression(sb)) { rightLiteral = sb.toString().trim(); } } if (rightLiteral != null && leftLiteral != null) { Jump jmp = (Jump) current; instructions.remove(iter - 2); instructions.remove(iter - 2); instructions.remove(iter - 2); //instructions.remove(iter-2); iter -= 2; //instructionCount -= 2; StringBuilder sb = new StringBuilder(); String operator = null; String opName = null; switch (currentOpcode) { case Opcodes.IF_ICMPLE: operator = "<="; opName = "IF_ICMPLE"; break; case Opcodes.IF_ICMPLT: operator = "<"; opName = "IF_IMPLT"; break; case Opcodes.IF_ICMPNE: operator = "!="; opName = "IF_ICMPNE"; break; case Opcodes.IF_ICMPGT: operator = ">"; opName = "IF_ICMPGT"; break; case Opcodes.IF_ICMPGE: operator = ">="; opName = "IF_ICMPGE"; break; case Opcodes.IF_ICMPEQ: operator = "=="; opName = "IF_ICMPEQ"; break; case Opcodes.IF_ACMPEQ: operator = "=="; opName = "IF_ACMPEQ"; break; case Opcodes.IF_ACMPNE: operator = "!="; opName = "IF_ACMPNE"; break; default: throw new RuntimeException( "Invalid operator during optimization of integer comparison"); } sb.append("if (").append(leftLiteral).append(operator).append(rightLiteral).append(") /* ") .append(opName).append(" CustomJump */ "); CustomJump newJump = CustomJump.create(jmp, sb.toString()); //jmp.setCustomCompareCode(sb.toString()); newJump.setOptimized(true); instructions.add(iter, newJump); instructionCount = instructions.size(); } } break; } case Opcodes.IFNONNULL: case Opcodes.IFNULL: case Opcodes.IFLE: case Opcodes.IFLT: case Opcodes.IFNE: case Opcodes.IFGT: case Opcodes.IFEQ: case Opcodes.IFGE: { String rightArg = "0"; if (currentOpcode == Opcodes.IFNONNULL || currentOpcode == Opcodes.IFNULL) { rightArg = "JAVA_NULL"; } if (iter > 0) { Instruction leftArg = instructions.get(iter - 1); String leftLiteral = null; if (leftArg instanceof AssignableExpression) { StringBuilder sb = new StringBuilder(); if (((AssignableExpression) leftArg).assignTo(null, sb)) { leftLiteral = sb.toString().trim(); } } else if (leftArg instanceof CustomInvoke) { CustomInvoke inv = (CustomInvoke) leftArg; StringBuilder sb = new StringBuilder(); if (inv.appendExpression(sb)) { leftLiteral = sb.toString().trim(); } } if (leftLiteral != null) { Jump jmp = (Jump) current; instructions.remove(iter - 1); instructions.remove(iter - 1); //instructions.remove(iter-2); iter -= 1; //instructionCount -= 2; StringBuilder sb = new StringBuilder(); String operator = null; String opName = null; switch (currentOpcode) { case Opcodes.IFLE: operator = "<="; opName = "IFLE"; break; case Opcodes.IFLT: operator = "<"; opName = "IFLT"; break; case Opcodes.IFNE: operator = "!="; opName = "IFNE"; break; case Opcodes.IFGT: operator = ">"; opName = "IFGT"; break; case Opcodes.IFGE: operator = ">="; opName = "IFGE"; break; case Opcodes.IFEQ: operator = "=="; opName = "IFEQ"; break; case Opcodes.IFNULL: operator = "=="; opName = "IFNULL"; break; case Opcodes.IFNONNULL: operator = "!="; opName = "IFNONNULL"; break; default: throw new RuntimeException( "Invalid operator during optimization of integer comparison"); } sb.append("if (").append(leftLiteral).append(operator).append(rightArg).append(") /* ") .append(opName).append(" CustomJump */ "); CustomJump newJump = CustomJump.create(jmp, sb.toString()); //jmp.setCustomCompareCode(sb.toString()); newJump.setOptimized(true); instructions.add(iter, newJump); instructionCount = instructions.size(); } } break; } case Opcodes.INVOKEVIRTUAL: case Opcodes.INVOKESTATIC: case Opcodes.INVOKESPECIAL: case Opcodes.INVOKEINTERFACE: { if (current instanceof Invoke) { Invoke inv = (Invoke) current; List<ByteCodeMethodArg> invocationArgs = inv.getArgs(); int numArgs = invocationArgs.size(); //if (current.getOpcode() != Opcodes.INVOKESTATIC) { // numArgs++; //} if (iter >= numArgs) { String[] argLiterals = new String[numArgs]; StringBuilder devNull = new StringBuilder(); for (int i = 0; i < numArgs; i++) { devNull.setLength(0); Instruction instr = instructions.get(iter - numArgs + i); if (instr instanceof AssignableExpression && ((AssignableExpression) instr).assignTo(null, devNull)) { argLiterals[i] = devNull.toString().trim(); } else if (instr instanceof CustomInvoke) { CustomInvoke cinv = (CustomInvoke) instr; devNull.setLength(0); if (!"JAVA_OBJECT".equals(cinv.getReturnValue()) && cinv.appendExpression(devNull)) { // We can't add invocations that return objects directly // because they need to be added to the stack for GC argLiterals[i] = devNull.toString().trim(); } } else if (instr instanceof ArithmeticExpression) { argLiterals[i] = ((ArithmeticExpression) instr).getExpressionAsString().trim(); } else if (instr instanceof VarOp) { VarOp var = (VarOp) instr; switch (instr.getOpcode()) { case Opcodes.ALOAD: { if (!isStatic() && var.getIndex() == 0) { argLiterals[i] = "__cn1ThisObject"; } else { argLiterals[i] = "locals[" + var.getIndex() + "].data.o"; } break; } case Opcodes.ILOAD: { argLiterals[i] = "ilocals_" + var.getIndex() + "_"; break; } case Opcodes.ACONST_NULL: { argLiterals[i] = "JAVA_NULL"; break; } case Opcodes.DLOAD: { argLiterals[i] = "dlocals_" + var.getIndex() + "_"; break; } case Opcodes.FLOAD: { argLiterals[i] = "flocals_" + var.getIndex() + "_"; break; } case Opcodes.LLOAD: { argLiterals[i] = "llocals_" + var.getIndex() + "_"; break; } case Opcodes.ICONST_0: { argLiterals[i] = "0"; break; } case Opcodes.ICONST_1: { argLiterals[i] = "1"; break; } case Opcodes.ICONST_2: { argLiterals[i] = "2"; break; } case Opcodes.ICONST_3: { argLiterals[i] = "3"; break; } case Opcodes.ICONST_4: { argLiterals[i] = "4"; break; } case Opcodes.ICONST_5: { argLiterals[i] = "5"; break; } case Opcodes.ICONST_M1: { argLiterals[i] = "-1"; break; } case Opcodes.LCONST_0: { argLiterals[i] = "(JAVA_LONG)0"; break; } case Opcodes.LCONST_1: { argLiterals[i] = "(JAVA_LONG)1"; break; } case Opcodes.BIPUSH: case Opcodes.SIPUSH: { argLiterals[i] = String.valueOf(var.getIndex()); break; } } } else { switch (instr.getOpcode()) { case Opcodes.ACONST_NULL: { argLiterals[i] = "JAVA_NULL"; break; } case Opcodes.ICONST_0: { argLiterals[i] = "0"; break; } case Opcodes.ICONST_1: { argLiterals[i] = "1"; break; } case Opcodes.ICONST_2: { argLiterals[i] = "2"; break; } case Opcodes.ICONST_3: { argLiterals[i] = "3"; break; } case Opcodes.ICONST_4: { argLiterals[i] = "4"; break; } case Opcodes.ICONST_5: { argLiterals[i] = "5"; break; } case Opcodes.ICONST_M1: { argLiterals[i] = "-1"; break; } case Opcodes.LCONST_0: { argLiterals[i] = "(JAVA_LONG)0"; break; } case Opcodes.LCONST_1: { argLiterals[i] = "(JAVA_LONG)1"; break; } case Opcodes.BIPUSH: { if (instr instanceof BasicInstruction) { argLiterals[i] = String.valueOf(((BasicInstruction) instr).getValue()); } break; } case Opcodes.LDC: { if (instr instanceof Ldc) { Ldc ldc = (Ldc) instr; argLiterals[i] = ldc.getValueAsString(); } break; } } } } // Check to make sure that we have all the args as literals. boolean missingLiteral = false; for (String lit : argLiterals) { if (lit == null) { missingLiteral = true; break; } } // We have all of the arguments as literals. Let's // add them to our invoke instruction. if (!missingLiteral) { CustomInvoke newInvoke = CustomInvoke.create(inv); instructions.remove(iter); instructions.add(iter, newInvoke); int newIter = iter; for (int i = 0; i < numArgs; i++) { instructions.remove(iter - numArgs); newIter--; newInvoke.setLiteralArg(i, argLiterals[i]); } if (inv.getOpcode() != Opcodes.INVOKESTATIC) { Instruction ldTarget = instructions.get(iter - numArgs - 1); if (ldTarget instanceof AssignableExpression) { StringBuilder targetExprStr = new StringBuilder(); if (((AssignableExpression) ldTarget).assignTo(null, targetExprStr)) { newInvoke.setTargetObjectLiteral(targetExprStr.toString().trim()); instructions.remove(iter - numArgs - 1); newIter--; } } else if (ldTarget instanceof CustomInvoke) { // WE Can't pass a custom invoke as the target directly // because it the return value needs to be added to the // stack for the GC } else { switch (ldTarget.getOpcode()) { case Opcodes.ALOAD: { VarOp v = (VarOp) ldTarget; if (isStatic() && v.getIndex() == 0) { newInvoke.setTargetObjectLiteral("__cn1ThisObject"); } else { newInvoke.setTargetObjectLiteral("locals[" + v.getIndex() + "].data.o"); } instructions.remove(iter - numArgs - 1); newIter--; break; } } } } newInvoke.setOptimized(true); //iter = 0; instructionCount = instructions.size(); iter = newIter; } } } break; } } astoreCalls = astoreCalls || currentOpcode == Opcodes.ASTORE || currentOpcode == Opcodes.ISTORE || currentOpcode == Opcodes.LSTORE || currentOpcode == Opcodes.DSTORE || currentOpcode == Opcodes.FSTORE; hasInstructions = hasInstructions | current.getOpcode() != -1; } return hasInstructions; }
From source file:com.codename1.tools.translator.bytecodes.ArrayLoadExpression.java
public static int tryReduce(List<Instruction> instructions, int index) { Instruction instr = instructions.get(index); switch (instr.getOpcode()) { case Opcodes.AALOAD: case Opcodes.FALOAD: case Opcodes.CALOAD: case Opcodes.DALOAD: case Opcodes.BALOAD: case Opcodes.IALOAD: case Opcodes.LALOAD: case Opcodes.SALOAD: break;//from w w w . j a v a 2 s.co m default: return -1; } if (index < 2) { return -1; } Instruction indexInstr = instructions.get(index - 1); if (!(indexInstr instanceof AssignableExpression)) { return -1; } Instruction arrInstr = instructions.get(index - 2); if (!(arrInstr instanceof AssignableExpression)) { return -1; } ArrayLoadExpression out = new ArrayLoadExpression(); out.loadInstruction = instr; out.indexInstruction = indexInstr; out.targetArrayInstruction = arrInstr; instructions.remove(index - 2); instructions.remove(index - 2); instructions.remove(index - 2); instructions.add(index - 2, out); return index - 2; }
From source file:com.codename1.tools.translator.bytecodes.ArrayLoadExpression.java
@Override public boolean assignTo(String varName, StringBuilder sb) { StringBuilder b = new StringBuilder(); if (varName != null) { b.append(varName).append("="); }//from w w w . ja v a 2 s . com b.append("CN1_ARRAY_ELEMENT_"); String arrayType = null; switch (loadInstruction.getOpcode()) { case Opcodes.FALOAD: arrayType = "FLOAT"; break; case Opcodes.DALOAD: arrayType = "DOUBLE"; break; case Opcodes.LALOAD: arrayType = "LONG"; break; case Opcodes.IALOAD: arrayType = "INT"; break; case Opcodes.BALOAD: arrayType = "BYTE"; break; case Opcodes.CALOAD: arrayType = "CHAR"; break; case Opcodes.AALOAD: arrayType = "OBJECT"; break; case Opcodes.SALOAD: arrayType = "SHORT"; break; } b.append(arrayType).append("("); if (targetArrayInstruction instanceof AssignableExpression) { StringBuilder sb2 = new StringBuilder(); boolean res = ((AssignableExpression) targetArrayInstruction).assignTo(null, sb2); if (!res) { return false; } b.append(sb2.toString().trim()); } else { return false; } b.append(", "); if (indexInstruction instanceof AssignableExpression) { StringBuilder sb2 = new StringBuilder(); boolean res = ((AssignableExpression) indexInstruction).assignTo(null, sb2); if (!res) { return false; } b.append(sb2.toString().trim()); } else { return false; } b.append(")"); if (varName != null) { b.append(";\n"); } sb.append(b); return true; }
From source file:com.codename1.tools.translator.bytecodes.BasicInstruction.java
License:Open Source License
@Override public void appendInstruction(StringBuilder b, List<Instruction> instructions) { switch (opcode) { case Opcodes.NOP: break;//ww w . java 2 s .co m case Opcodes.ACONST_NULL: b.append(" PUSH_POINTER(JAVA_NULL); /* ACONST_NULL */\n"); break; case Opcodes.ICONST_M1: b.append(" PUSH_INT(-1); /* ICONST_M1 */\n"); break; case Opcodes.ICONST_0: b.append(" PUSH_INT(0); /* ICONST_0 */\n"); break; case Opcodes.ICONST_1: b.append(" PUSH_INT(1); /* ICONST_1 */\n"); break; case Opcodes.ICONST_2: b.append(" PUSH_INT(2); /* ICONST_2 */\n"); break; case Opcodes.ICONST_3: b.append(" PUSH_INT(3); /* ICONST_3 */\n"); break; case Opcodes.ICONST_4: b.append(" PUSH_INT(4); /* ICONST_4 */\n"); break; case Opcodes.ICONST_5: b.append(" PUSH_INT(5); /* ICONST_5 */\n"); break; case Opcodes.LCONST_0: b.append(" PUSH_LONG(0); /* LCONST_0 */\n"); break; case Opcodes.LCONST_1: b.append(" PUSH_LONG(1); /* LCONST_1 */\n"); break; case Opcodes.FCONST_0: b.append(" PUSH_FLOAT(0); /* FCONST_0 */\n"); break; case Opcodes.FCONST_1: b.append(" PUSH_FLOAT(1); /* FCONST_1 */\n"); break; case Opcodes.FCONST_2: b.append(" PUSH_FLOAT(2); /* FCONST_2 */\n"); break; case Opcodes.DCONST_0: b.append(" PUSH_DOUBLE(0); /* DCONST_0 */\n"); break; case Opcodes.DCONST_1: b.append(" PUSH_DOUBLE(1); /* DCONST_1 */\n"); break; case Opcodes.BALOAD: b.append(" { CHECK_ARRAY_ACCESS(2, SP[-1].data.i); /* BALOAD */ \n" + " SP--; SP[-1].type = CN1_TYPE_INT; \n" + " SP[-1].data.i = ((JAVA_ARRAY_BYTE*) (*(JAVA_ARRAY)SP[-1].data.o).data)[(*SP).data.i]; \n" + " }\n"); break; case Opcodes.CALOAD: b.append(" CHECK_ARRAY_ACCESS(2, SP[-1].data.i); /* CALOAD */\n" + " SP--; SP[-1].type = CN1_TYPE_INT; \n" + " SP[-1].data.i = ((JAVA_ARRAY_CHAR*) (*(JAVA_ARRAY)SP[-1].data.o).data)[(*SP).data.i];\n"); break; case Opcodes.IALOAD: b.append(" CHECK_ARRAY_ACCESS(2, SP[-1].data.i); /* IALOAD */\n" + " SP--; SP[-1].type = CN1_TYPE_INT; \n" + " SP[-1].data.i = ((JAVA_ARRAY_INT*) (*(JAVA_ARRAY)SP[-1].data.o).data)[(*SP).data.i];\n"); break; case Opcodes.SALOAD: b.append(" CHECK_ARRAY_ACCESS(2, SP[-1].data.i); \n" + " SP--; SP[-1].type = CN1_TYPE_INT; \n" + " SP[-1].data.i = ((JAVA_ARRAY_SHORT*) (*(JAVA_ARRAY)SP[-1].data.o).data)[(*SP).data.i]; /* SALOAD */\n"); break; case Opcodes.LALOAD: b.append(" CHECK_ARRAY_ACCESS(2, SP[-1].data.i); /* LALOAD */\n" + " SP--; SP[-1].type = CN1_TYPE_LONG; \n" + " SP[-1].data.l = LONG_ARRAY_LOOKUP((JAVA_ARRAY)SP[-1].data.o, (*SP).data.i);\n"); break; case Opcodes.FALOAD: b.append(" CHECK_ARRAY_ACCESS(2, SP[-1].data.i); /* FALOAD */\n" + " SP--; SP[-1].type = CN1_TYPE_FLOAT; \n" + " SP[-1].data.f = FLOAT_ARRAY_LOOKUP((JAVA_ARRAY)SP[-1].data.o, (*SP).data.i);\n"); break; case Opcodes.DALOAD: b.append(" CHECK_ARRAY_ACCESS(2, SP[-1].data.i); /* DALOAD */\n" + " SP--; SP[-1].type = CN1_TYPE_DOUBLE; \n" + " SP[-1].data.d = DOUBLE_ARRAY_LOOKUP((JAVA_ARRAY)SP[-1].data.o, (*SP).data.i);\n"); break; case Opcodes.AALOAD: b.append(" CHECK_ARRAY_ACCESS(2, SP[-1].data.i); /* AALOAD */\n" + " SP--; SP[-1].type = CN1_TYPE_INVALID; \n" + " SP[-1].data.o = ((JAVA_ARRAY_OBJECT*) (*(JAVA_ARRAY)SP[-1].data.o).data)[(*SP).data.i]; \n" + " SP[-1].type = CN1_TYPE_OBJECT; \n"); break; case Opcodes.BASTORE: b.append(" CHECK_ARRAY_ACCESS(3, SP[-2].data.i); /* BASTORE */\n" + " ((JAVA_ARRAY_BYTE*) (*(JAVA_ARRAY)SP[-3].data.o).data)[SP[-2].data.i] = SP[-1].data.i; SP -= 3;\n"); break; case Opcodes.CASTORE: b.append(" CHECK_ARRAY_ACCESS(3, SP[-2].data.i); /* CASTORE */\n" + " ((JAVA_ARRAY_CHAR*) (*(JAVA_ARRAY)SP[-3].data.o).data)[SP[-2].data.i] = SP[-1].data.i; SP -= 3;\n\n"); break; case Opcodes.SASTORE: b.append(" CHECK_ARRAY_ACCESS(3, SP[-2].data.i); /* SASTORE */\n" + " ((JAVA_ARRAY_SHORT*) (*(JAVA_ARRAY)SP[-3].data.o).data)[SP[-2].data.i] = SP[-1].data.i; SP -= 3;\n"); break; case Opcodes.IASTORE: b.append(" CHECK_ARRAY_ACCESS(3, SP[-2].data.i); /* IASTORE */\n" + " ((JAVA_ARRAY_INT*) (*(JAVA_ARRAY)SP[-3].data.o).data)[SP[-2].data.i] = SP[-1].data.i; SP -= 3;\n"); break; case Opcodes.LASTORE: b.append(" CHECK_ARRAY_ACCESS(3, SP[-2].data.i); /* LASTORE */\n" + " LONG_ARRAY_LOOKUP((JAVA_ARRAY)SP[-3].data.o, SP[-2].data.i) = SP[-1].data.l; SP -= 3;\n"); break; case Opcodes.FASTORE: b.append(" CHECK_ARRAY_ACCESS(3, SP[-2].data.i); /* FASTORE */\n" + " FLOAT_ARRAY_LOOKUP((JAVA_ARRAY)SP[-3].data.o, SP[-2].data.i) = SP[-1].data.f; SP -= 3;\n"); break; case Opcodes.DASTORE: b.append(" CHECK_ARRAY_ACCESS(3, SP[-2].data.i); /* DASTORE */\n" + " DOUBLE_ARRAY_LOOKUP((JAVA_ARRAY)SP[-3].data.o, SP[-2].data.i) = SP[-1].data.d; SP -= 3;\n"); break; case Opcodes.AASTORE: b.append(" CHECK_ARRAY_ACCESS(3, SP[-2].data.i); { /* BC_AASTORE */\n" + " JAVA_OBJECT aastoreTmp = SP[-3].data.o; \n" + " ((JAVA_ARRAY_OBJECT*) (*(JAVA_ARRAY)aastoreTmp).data)[SP[-2].data.i] = SP[-1].data.o; \n" + " SP -= 3; }\n"); break; case Opcodes.POP: b.append(" SP--; /* POP */\n"); break; case Opcodes.POP2: b.append(" popMany(threadStateData, 2, &SP); /* POP2 */\n"); break; /*case Opcodes.DUP: b.append(" PUSH_INT(PEEK_INT(1));\n"); break; case Opcodes.DUP_X1: b.append(" DUP_X1();\n"); break; case Opcodes.DUP_X2: b.append(" DUP_X2();\n"); break;*/ case Opcodes.DUP: b.append(" BC_DUP(); /* DUP */\n"); break; case Opcodes.DUP2: b.append(" BC_DUP2(); /* DUP2 */\n"); break; case Opcodes.DUP_X1: b.append(" BC_DUP2_X1(); /* DUP_X1 */\n"); break; case Opcodes.DUP2_X1: b.append(" BC_DUP2_X1(); /* DUP2_X1 */\n"); break; case Opcodes.DUP_X2: b.append(" BC_DUP2_X2(); /* DUP_X2 */\n"); break; case Opcodes.DUP2_X2: b.append(" BC_DUP2_X2(); /* DUP2_X2 */\n"); break; case Opcodes.SWAP: b.append(" swapStack(SP); /* SWAP */\n"); break; case Opcodes.IADD: b.append(" SP--; SP[-1].data.i = SP[-1].data.i + (*SP).data.i; /* IADD */\n"); break; case Opcodes.LADD: b.append(" SP--; SP[-1].data.l = SP[-1].data.l + (*SP).data.l; /* LADD */\n"); break; case Opcodes.FADD: b.append(" SP--; SP[-1].data.f = SP[-1].data.f + (*SP).data.f; /* FADD */\n"); break; case Opcodes.DADD: b.append(" SP--; SP[-1].data.d = SP[-1].data.d + (*SP).data.d; /* DADD */\n"); break; case Opcodes.ISUB: b.append(" SP--; SP[-1].data.i = (SP[-1].data.i - (*SP).data.i); /* ISUB */\n"); break; case Opcodes.LSUB: b.append(" SP--; SP[-1].data.l = (SP[-1].data.l - (*SP).data.l); /* LSUB */\n"); break; case Opcodes.FSUB: b.append(" SP--; SP[-1].data.f = (SP[-1].data.f - (*SP).data.f); /* FSUB */\n"); break; case Opcodes.DSUB: b.append(" SP--; SP[-1].data.d = (SP[-1].data.d - (*SP).data.d); /* DSUB */\n"); break; case Opcodes.IMUL: b.append(" SP--; SP[-1].data.i = SP[-1].data.i * (*SP).data.i; /* IMUL */\n"); break; case Opcodes.LMUL: b.append(" SP--; SP[-1].data.l = SP[-1].data.l * (*SP).data.l; /* LMUL */\n"); break; case Opcodes.FMUL: b.append(" SP--; SP[-1].data.f = SP[-1].data.f * (*SP).data.f; /* FMUL */\n"); break; case Opcodes.DMUL: b.append(" SP--; SP[-1].data.d = SP[-1].data.d * (*SP).data.d; /* DMUL */\n"); break; case Opcodes.IDIV: b.append(" SP--; SP[-1].data.i = SP[-1].data.i / (*SP).data.i; /* IDIV */\n"); break; case Opcodes.LDIV: b.append(" SP--; SP[-1].data.l = SP[-1].data.l / (*SP).data.l; /* LDIV */\n"); break; case Opcodes.FDIV: b.append(" SP--; SP[-1].data.f = SP[-1].data.f / (*SP).data.f; /* FDIV */\n"); break; case Opcodes.DDIV: b.append(" SP--; SP[-1].data.d = SP[-1].data.d / (*SP).data.d; /* DDIV */\n"); break; case Opcodes.IREM: b.append(" SP--; SP[-1].data.i = SP[-1].data.i % (*SP).data.i; /* IREM */\n"); break; case Opcodes.LREM: b.append(" SP--; SP[-1].data.l = SP[-1].data.l % (*SP).data.l; /* LREM */\n"); break; case Opcodes.FREM: b.append(" SP--; SP[-1].data.f = fmod(SP[-1].data.f, (*SP).data.f); /* FREM */\n"); break; case Opcodes.DREM: b.append(" SP--; SP[-1].data.d = fmod(SP[-1].data.d, (*SP).data.d); /* DREM */\n"); break; case Opcodes.INEG: b.append(" SP[-1].data.i *= -1; /* INEG */\n"); break; case Opcodes.LNEG: b.append(" SP[-1].data.l *= -1; /* LNEG */\n"); break; case Opcodes.FNEG: b.append(" SP[-1].data.f *= -1; /* FNEG */\n"); break; case Opcodes.DNEG: b.append(" SP[-1].data.d *= -1; /* DNEG */\n"); break; case Opcodes.ISHL: b.append(" SP--; SP[-1].data.i = (SP[-1].data.i << (0x1f & (*SP).data.i)); /* ISHL */\n"); break; case Opcodes.LSHL: b.append(" SP--; SP[-1].data.l = (SP[-1].data.l << (0x3f & (*SP).data.i)); /* LSHL */\n"); break; case Opcodes.ISHR: b.append(" SP--; SP[-1].data.i = (SP[-1].data.i >> (0x1f & (*SP).data.i)); /* ISHR */\n"); break; case Opcodes.LSHR: b.append(" SP--; SP[-1].data.l = (SP[-1].data.l >> (0x3f & (*SP).data.l)); /* LSHR */\n"); break; case Opcodes.IUSHR: b.append( " SP--; SP[-1].data.i = (((unsigned int)SP[-1].data.i) >> (0x1f & ((unsigned int)(*SP).data.i))); /* IUSHR */\n"); break; case Opcodes.LUSHR: b.append( " SP--; SP[-1].data.l = (((unsigned long long)SP[-1].data.l) >> (0x3f & ((unsigned long long)(*SP).data.i))); /* LUSHR */\n"); break; case Opcodes.IAND: b.append(" SP--; SP[-1].data.i = SP[-1].data.i & (*SP).data.i; /* IAND */\n"); break; case Opcodes.LAND: b.append(" SP--; SP[-1].data.l = SP[-1].data.l & (*SP).data.l; /* LAND */\n"); break; case Opcodes.IOR: b.append(" SP--; SP[-1].data.i = SP[-1].data.i | (*SP).data.i; /* IOR */\n"); break; case Opcodes.LOR: b.append(" SP--; SP[-1].data.l = SP[-1].data.l | (*SP).data.l; /* LOR */\n"); break; case Opcodes.IXOR: b.append(" SP--; SP[-1].data.i = SP[-1].data.i ^ (*SP).data.i; /* IXOR */\n"); break; case Opcodes.LXOR: b.append(" SP--; SP[-1].data.l = SP[-1].data.l ^ (*SP).data.l; /* LXOR */\n"); break; case Opcodes.I2L: b.append(" SP[-1].data.l = SP[-1].data.i; /* I2L */\n"); break; case Opcodes.I2F: b.append(" SP[-1].data.f = (JAVA_FLOAT)SP[-1].data.i; /* I2F */\n"); break; case Opcodes.I2D: b.append(" SP[-1].data.d = SP[-1].data.i; /* I2D */;\n"); break; case Opcodes.L2I: b.append(" SP[-1].data.i = (JAVA_INT)SP[-1].data.l; /* L2I */\n"); break; case Opcodes.L2F: b.append(" SP[-1].data.f = (JAVA_FLOAT)SP[-1].data.l; /* L2F */\n"); break; case Opcodes.L2D: b.append(" SP[-1].data.d = (JAVA_DOUBLE)SP[-1].data.l; /* L2D */\n"); break; case Opcodes.F2I: b.append(" SP[-1].data.i = (JAVA_INT)SP[-1].data.f; /* F2I */\n"); break; case Opcodes.F2L: b.append(" SP[-1].data.l = (JAVA_LONG)SP[-1].data.f; /* F2L */\n"); break; case Opcodes.F2D: b.append(" SP[-1].data.d = SP[-1].data.f; /* F2D */\n"); break; case Opcodes.D2I: b.append(" SP[-1].data.i = (JAVA_INT)SP[-1].data.d; /* D2I */\n"); break; case Opcodes.D2L: b.append(" SP[-1].data.l = (JAVA_LONG)SP[-1].data.d; /* D2L */\n"); break; case Opcodes.D2F: b.append(" SP[-1].data.f = (JAVA_FLOAT)SP[-1].data.d; /* D2F */\n"); break; case Opcodes.I2B: b.append(" SP[-1].data.i = ((SP[-1].data.i << 24) >> 24); /* I2B */\n"); break; case Opcodes.I2C: b.append(" SP[-1].data.i = (SP[-1].data.i & 0xffff); /* I2C */\n"); break; case Opcodes.I2S: b.append(" SP[-1].data.i = ((SP[-1].data.i << 16) >> 16); /* I2S */\n"); break; case Opcodes.LCMP: b.append(" BC_LCMP();\n"); break; case Opcodes.FCMPG: case Opcodes.FCMPL: b.append(" BC_FCMPL();\n"); break; case Opcodes.DCMPL: case Opcodes.DCMPG: b.append(" BC_DCMPL();\n"); break; case Opcodes.IRETURN: appendSynchronized(b); if (TryCatch.isTryCatchInMethod()) { b.append( " releaseForReturnInException(threadStateData, cn1LocalsBeginInThread, methodBlockOffset); return SP[-1].data.i;\n"); // b.append(maxLocals); // b.append(", stack, locals, methodBlockOffset); \n return SP[-1].data.i;\n"); } else { b.append(" releaseForReturn(threadStateData, cn1LocalsBeginInThread); return SP[-1].data.i;\n"); // b.append(maxLocals); // b.append(", stack, locals); \n return SP[-1].data.i;\n"); } break; case Opcodes.LRETURN: appendSynchronized(b); if (TryCatch.isTryCatchInMethod()) { b.append( " releaseForReturnInException(threadStateData, cn1LocalsBeginInThread, methodBlockOffset); \n return POP_LONG();\n"); } else { b.append( " releaseForReturn(threadStateData, cn1LocalsBeginInThread); \n return POP_LONG();\n"); } break; case Opcodes.FRETURN: appendSynchronized(b); if (TryCatch.isTryCatchInMethod()) { b.append( " releaseForReturnInException(threadStateData, cn1LocalsBeginInThread, methodBlockOffset); \n return POP_FLOAT();\n"); } else { b.append( " releaseForReturn(threadStateData, cn1LocalsBeginInThread); \n return POP_FLOAT();\n"); } break; case Opcodes.DRETURN: appendSynchronized(b); if (TryCatch.isTryCatchInMethod()) { b.append( " releaseForReturnInException(threadStateData, cn1LocalsBeginInThread, methodBlockOffset); \n return POP_DOUBLE();\n"); } else { b.append( " releaseForReturn(threadStateData, cn1LocalsBeginInThread); \n return POP_DOUBLE();\n"); } break; case Opcodes.ARETURN: appendSynchronized(b); if (TryCatch.isTryCatchInMethod()) { b.append( " releaseForReturnInException(threadStateData, cn1LocalsBeginInThread, methodBlockOffset); \n return POP_OBJ();\n"); } else { b.append( " releaseForReturn(threadStateData, cn1LocalsBeginInThread); \n return POP_OBJ();\n"); } break; case Opcodes.RETURN: appendSynchronized(b); if (!hasInstructions) { b.append(" return;\n"); break; } if (TryCatch.isTryCatchInMethod()) { b.append( " releaseForReturnInException(threadStateData, cn1LocalsBeginInThread, methodBlockOffset); \n return;\n"); } else { b.append(" releaseForReturn(threadStateData, cn1LocalsBeginInThread); \n return;\n"); } break; case Opcodes.ARRAYLENGTH: b.append(" { /* ARRAYLENGTH */\n" + " if(SP[-1].data.o == JAVA_NULL) { \n" + " throwException(threadStateData, __NEW_INSTANCE_java_lang_NullPointerException(threadStateData)); \n" + " }; \n" + " SP[-1].type = CN1_TYPE_INT; \n" + " SP[-1].data.i = (*((JAVA_ARRAY)SP[-1].data.o)).length; \n" + " }\n"); break; case Opcodes.ATHROW: //b.append(" NSLog(@\"Exception thrown %s %d %s %s\\n\", __FILE__, __LINE__, __PRETTY_FUNCTION__, __FUNCTION__);\n"); b.append(" throwException(threadStateData, POP_OBJ());\n"); break; case Opcodes.MONITORENTER: b.append(" monitorEnter(threadStateData, POP_OBJ());\n"); break; case Opcodes.MONITOREXIT: b.append(" monitorExit(threadStateData, POP_OBJ());\n"); break; // int instructions case Opcodes.SIPUSH: case Opcodes.BIPUSH: b.append(" PUSH_INT("); b.append(value); b.append(");\n"); break; case Opcodes.NEWARRAY: switch (value) { case 4: // boolean b.append( " SP--; PUSH_OBJ(allocArray(threadStateData, (*SP).data.i, &class_array1__JAVA_BOOLEAN, sizeof(JAVA_ARRAY_BOOLEAN), 1));\n"); break; case 5: // char b.append( " SP--; PUSH_OBJ(allocArray(threadStateData, (*SP).data.i, &class_array1__JAVA_CHAR, sizeof(JAVA_ARRAY_CHAR), 1));\n"); break; case 6: // float b.append( " SP--; PUSH_OBJ(allocArray(threadStateData, (*SP).data.i, &class_array1__JAVA_FLOAT, sizeof(JAVA_ARRAY_FLOAT), 1));\n"); break; case 7: // double b.append( " SP--; PUSH_OBJ(allocArray(threadStateData, (*SP).data.i, &class_array1__JAVA_DOUBLE, sizeof(JAVA_ARRAY_DOUBLE), 1));\n"); break; case 8: // byte b.append( " SP--; PUSH_OBJ(allocArray(threadStateData, (*SP).data.i, &class_array1__JAVA_BYTE, sizeof(JAVA_ARRAY_BYTE), 1));\n"); break; case 9: // short b.append( " SP--; PUSH_OBJ(allocArray(threadStateData, (*SP).data.i, &class_array1__JAVA_SHORT, sizeof(JAVA_ARRAY_SHORT), 1));\n"); break; case 10: // int b.append( " SP--; PUSH_OBJ(allocArray(threadStateData, (*SP).data.i, &class_array1__JAVA_INT, sizeof(JAVA_ARRAY_INT), 1));\n"); break; case 11: // long b.append( " SP--; PUSH_OBJ(allocArray(threadStateData, (*SP).data.i, &class_array1__JAVA_LONG, sizeof(JAVA_ARRAY_LONG), 1));\n"); break; } break; } }
From source file:com.codename1.tools.translator.Util.java
License:Open Source License
public static char[] getStackInputTypes(Instruction instr) { char[] out = instr.getStackInputTypes(); if (out != null) { return out; }/* www . java2 s.c om*/ switch (instr.getOpcode()) { case Opcodes.NOP: case Opcodes.ACONST_NULL: case Opcodes.ICONST_M1: case Opcodes.ICONST_0: case Opcodes.ICONST_2: case Opcodes.ICONST_3: case Opcodes.ICONST_4: case Opcodes.ICONST_5: case Opcodes.LCONST_0: case Opcodes.LCONST_1: case Opcodes.FCONST_0: case Opcodes.FCONST_1: case Opcodes.FCONST_2: case Opcodes.DCONST_0: case Opcodes.DCONST_1: case Opcodes.SIPUSH: case Opcodes.BIPUSH: return new char[0]; case Opcodes.BALOAD: case Opcodes.CALOAD: case Opcodes.IALOAD: case Opcodes.SALOAD: case Opcodes.LALOAD: case Opcodes.FALOAD: case Opcodes.DALOAD: case Opcodes.AALOAD: return new char[] { 'i', 'o' }; case Opcodes.BASTORE: case Opcodes.CASTORE: case Opcodes.SASTORE: case Opcodes.IASTORE: return new char[] { 'i', 'i', 'o' }; case Opcodes.LASTORE: return new char[] { 'l', 'i', 'o' }; case Opcodes.FASTORE: return new char[] { 'f', 'i', 'o' }; case Opcodes.DASTORE: return new char[] { 'd', 'i', 'o' }; case Opcodes.AASTORE: return new char[] { 'o', 'i', 'o' }; case Opcodes.POP: return new char[] { '*' }; case Opcodes.POP2: return new char[] { '*', '*' }; case Opcodes.DUP: return new char[] { '0' }; case Opcodes.DUP2: case Opcodes.DUP_X2: case Opcodes.DUP2_X2: return null; // DUP2 depends on the types on the stack so we don't statically know the input types case Opcodes.DUP_X1: case Opcodes.DUP2_X1: return new char[] { '0', '1' }; case Opcodes.SWAP: return new char[] { '0', '1' }; case Opcodes.IADD: case Opcodes.ISUB: case Opcodes.IMUL: case Opcodes.IDIV: case Opcodes.IREM: case Opcodes.ISHL: case Opcodes.ISHR: case Opcodes.IUSHR: case Opcodes.IAND: case Opcodes.IOR: case Opcodes.IXOR: return new char[] { 'i', 'i' }; case Opcodes.LADD: case Opcodes.LSUB: case Opcodes.LMUL: case Opcodes.LDIV: case Opcodes.LREM: case Opcodes.LSHL: case Opcodes.LSHR: case Opcodes.LAND: case Opcodes.LOR: case Opcodes.LXOR: case Opcodes.LCMP: return new char[] { 'l', 'l' }; case Opcodes.FADD: case Opcodes.FSUB: case Opcodes.FMUL: case Opcodes.FDIV: case Opcodes.FREM: case Opcodes.FCMPG: case Opcodes.FCMPL: return new char[] { 'f', 'f' }; case Opcodes.DADD: case Opcodes.DSUB: case Opcodes.DMUL: case Opcodes.DDIV: case Opcodes.DREM: case Opcodes.DCMPL: case Opcodes.DCMPG: return new char[] { 'd', 'd' }; case Opcodes.INEG: case Opcodes.I2L: case Opcodes.I2F: case Opcodes.I2D: case Opcodes.I2B: case Opcodes.I2C: case Opcodes.I2S: case Opcodes.NEWARRAY: return new char[] { 'i' }; case Opcodes.LNEG: case Opcodes.L2I: case Opcodes.L2F: case Opcodes.L2D: return new char[] { 'l' }; case Opcodes.FNEG: case Opcodes.F2I: case Opcodes.F2L: case Opcodes.F2D: return new char[] { 'f' }; case Opcodes.DNEG: case Opcodes.D2I: case Opcodes.D2L: case Opcodes.D2F: return new char[] { 'd' }; case Opcodes.LUSHR: return new char[] { 'i', 'l' }; case Opcodes.ARRAYLENGTH: case Opcodes.MONITORENTER: case Opcodes.MONITOREXIT: case Opcodes.ATHROW: return new char[] { 'o' }; default: return null; } }
From source file:com.codename1.tools.translator.Util.java
License:Open Source License
public static char[] getStackOutputTypes(Instruction instr) { char[] out = instr.getStackOutputTypes(); if (out != null) { return out; }//from w w w.j a v a 2s . c o m switch (instr.getOpcode()) { case Opcodes.NOP: case Opcodes.BASTORE: case Opcodes.CASTORE: case Opcodes.SASTORE: case Opcodes.IASTORE: case Opcodes.LASTORE: case Opcodes.FASTORE: case Opcodes.DASTORE: case Opcodes.AASTORE: case Opcodes.POP: case Opcodes.POP2: case Opcodes.MONITORENTER: case Opcodes.MONITOREXIT: case Opcodes.ATHROW: return new char[0]; case Opcodes.ACONST_NULL: case Opcodes.AALOAD: case Opcodes.NEWARRAY: return new char[] { 'o' }; case Opcodes.ICONST_M1: case Opcodes.ICONST_0: case Opcodes.ICONST_1: case Opcodes.ICONST_2: case Opcodes.ICONST_3: case Opcodes.ICONST_4: case Opcodes.ICONST_5: case Opcodes.BALOAD: case Opcodes.CALOAD: case Opcodes.IALOAD: case Opcodes.SALOAD: case Opcodes.IADD: case Opcodes.ISUB: case Opcodes.IMUL: case Opcodes.IDIV: case Opcodes.IREM: case Opcodes.INEG: case Opcodes.ISHL: case Opcodes.ISHR: case Opcodes.IUSHR: case Opcodes.IAND: case Opcodes.IOR: case Opcodes.IXOR: case Opcodes.F2I: case Opcodes.D2I: case Opcodes.L2I: case Opcodes.I2C: case Opcodes.I2S: case Opcodes.LCMP: case Opcodes.FCMPG: case Opcodes.FCMPL: case Opcodes.DCMPL: case Opcodes.DCMPG: case Opcodes.ARRAYLENGTH: case Opcodes.SIPUSH: case Opcodes.BIPUSH: return new char[] { 'i' }; case Opcodes.LCONST_0: case Opcodes.LCONST_1: case Opcodes.LALOAD: case Opcodes.LADD: case Opcodes.LSUB: case Opcodes.LMUL: case Opcodes.LDIV: case Opcodes.LREM: case Opcodes.LNEG: case Opcodes.LSHL: case Opcodes.LSHR: case Opcodes.LUSHR: case Opcodes.LAND: case Opcodes.LOR: case Opcodes.LXOR: case Opcodes.I2L: case Opcodes.F2L: case Opcodes.D2L: return new char[] { 'l' }; case Opcodes.FCONST_0: case Opcodes.FCONST_1: case Opcodes.FCONST_2: case Opcodes.FALOAD: case Opcodes.FADD: case Opcodes.FSUB: case Opcodes.FMUL: case Opcodes.FDIV: case Opcodes.FREM: case Opcodes.FNEG: case Opcodes.I2F: case Opcodes.D2F: case Opcodes.L2F: return new char[] { 'f' }; case Opcodes.DCONST_0: case Opcodes.DCONST_1: case Opcodes.DALOAD: case Opcodes.DADD: case Opcodes.DSUB: case Opcodes.DMUL: case Opcodes.DDIV: case Opcodes.DREM: case Opcodes.DNEG: case Opcodes.I2D: case Opcodes.F2D: case Opcodes.L2D: return new char[] { 'd' }; case Opcodes.DUP: return new char[] { '0', '0' }; case Opcodes.DUP2: case Opcodes.DUP_X2: case Opcodes.DUP2_X2: return null; case Opcodes.DUP_X1: case Opcodes.DUP2_X1: return new char[] { '0', '1', '0' }; case Opcodes.SWAP: return new char[] { '1', '0' }; default: return null; } }