List of usage examples for org.objectweb.asm Opcodes PUTFIELD
int PUTFIELD
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From source file:io.syncframework.optimizer.OControllerClassVisitor.java
License:Apache License
/** * Generates context method setter: //from w w w . ja v a 2s . c o m * * public void _as(Application|Error|Message|...)Context((Application|Error|Message|...)Context variable) { * this.variable = variable * or * // do nothing * } */ private void createContextMethod(String methodName, String typeDescriptor, String variableName) { if (variableName != null) { MethodVisitor mv = cv.visitMethod(Opcodes.ACC_PUBLIC, methodName, "(" + typeDescriptor + ")V", null, null); Label l0 = new Label(); Label l1 = new Label(); Label l2 = new Label(); mv.visitLabel(l0); mv.visitVarInsn(Opcodes.ALOAD, 0); mv.visitVarInsn(Opcodes.ALOAD, 1); mv.visitFieldInsn(Opcodes.PUTFIELD, reflector.getClazzInternalName(), variableName, typeDescriptor); mv.visitLabel(l1); mv.visitInsn(Opcodes.RETURN); mv.visitLabel(l2); mv.visitLocalVariable("this", reflector.getClazzDescriptor(), null, l0, l2, 0); mv.visitLocalVariable(variableName, typeDescriptor, null, l0, l2, 1); mv.visitMaxs(2, 2); mv.visitEnd(); } else { MethodVisitor mv = cv.visitMethod(Opcodes.ACC_PUBLIC, methodName, "(" + typeDescriptor + ")V", null, null); Label l0 = new Label(); Label l1 = new Label(); mv.visitLabel(l0); mv.visitInsn(Opcodes.RETURN); mv.visitLabel(l1); mv.visitLocalVariable("this", reflector.getClazzDescriptor(), null, l0, l1, 0); mv.visitLocalVariable("argument", typeDescriptor, null, l0, l1, 1); } }
From source file:jpcsp.Allegrex.compiler.CompilerContext.java
License:Open Source License
public void storeRegister(int reg) { if (preparedRegisterForStore == reg) { mv.visitFieldInsn(Opcodes.PUTFIELD, cpuInternalName, getGprFieldName(reg), "I"); preparedRegisterForStore = -1;/*from ww w . jav a2 s .co m*/ } else { loadCpu(); mv.visitInsn(Opcodes.SWAP); mv.visitFieldInsn(Opcodes.PUTFIELD, cpuInternalName, getGprFieldName(reg), "I"); } }
From source file:jpcsp.Allegrex.compiler.CompilerContext.java
License:Open Source License
@Override public void storeRegister(int reg, int constantValue) { if (preparedRegisterForStore == reg) { preparedRegisterForStore = -1;//w w w .jav a 2s .co m } else { loadCpu(); } loadImm(constantValue); mv.visitFieldInsn(Opcodes.PUTFIELD, cpuInternalName, getGprFieldName(reg), "I"); }
From source file:jpcsp.Allegrex.compiler.CompilerContext.java
License:Open Source License
@Override public void storeHilo() { if (!hiloPrepared) { loadCpu();/* w ww .j a v a 2s . c om*/ mv.visitInsn(Opcodes.DUP_X2); mv.visitInsn(Opcodes.POP); } mv.visitFieldInsn(Opcodes.PUTFIELD, cpuInternalName, "hilo", Type.getDescriptor(long.class)); hiloPrepared = false; }
From source file:jpcsp.Allegrex.compiler.CompilerContext.java
License:Open Source License
@Override public void storeFcr31c() { mv.visitFieldInsn(Opcodes.PUTFIELD, Type.getInternalName(Fcr31.class), "c", "Z"); }
From source file:jpcsp.Allegrex.compiler.CompilerContext.java
License:Open Source License
@Override public void storePc() { loadCpu();/*from w w w. j av a 2 s . co m*/ loadImm(codeInstruction.getAddress()); mv.visitFieldInsn(Opcodes.PUTFIELD, cpuInternalName, "pc", "I"); }
From source file:jpcsp.Allegrex.compiler.CompilerContext.java
License:Open Source License
private void flushInstructionCount(boolean local, boolean last) { if (enableIntructionCounting) { if (local) { if (currentInstructionCount > 0) { mv.visitIincInsn(LOCAL_INSTRUCTION_COUNT, currentInstructionCount); }//from w ww.ja v a 2 s . com } else { mv.visitFieldInsn(Opcodes.GETSTATIC, runtimeContextInternalName, "currentThread", sceKernalThreadInfoDescriptor); mv.visitInsn(Opcodes.DUP); mv.visitFieldInsn(Opcodes.GETFIELD, sceKernalThreadInfoInternalName, "runClocks", "J"); loadLocalVar(LOCAL_INSTRUCTION_COUNT); if (currentInstructionCount > 0) { loadImm(currentInstructionCount); mv.visitInsn(Opcodes.IADD); } if (Profiler.isProfilerEnabled()) { mv.visitInsn(Opcodes.DUP); loadImm(getCodeBlock().getStartAddress()); mv.visitMethodInsn(Opcodes.INVOKESTATIC, profilerInternalName, "addInstructionCount", "(II)V"); } mv.visitInsn(Opcodes.I2L); mv.visitInsn(Opcodes.LADD); mv.visitFieldInsn(Opcodes.PUTFIELD, sceKernalThreadInfoInternalName, "runClocks", "J"); if (!last) { mv.visitInsn(Opcodes.ICONST_0); storeLocalVar(LOCAL_INSTRUCTION_COUNT); } } currentInstructionCount = 0; } }
From source file:lapin.comp.asm.ASMByteCodeGenerator.java
License:Open Source License
private void generateConstructor(Env env) { /*//from w ww . j a va 2 s . c o m * local variables (reserved) * 0: this * 1: env */ MethodVisitor mv = _cw.visitMethod(Opcodes.ACC_PUBLIC, "<init>", //"(Llapin/lang/Env;)V", Type.getMethodDescriptor(Type.VOID_TYPE, new Type[] { TYPE_ENV }), null, null); mv.visitCode(); mv.visitVarInsn(Opcodes.ALOAD, 0); mv.visitLdcInsn(super.classInfo.name().pname()); mv.visitMethodInsn(Opcodes.INVOKESPECIAL, "lapin/function/CompiledExpr", "<init>", //"(Ljava/lang/String;)V"); Type.getMethodDescriptor(Type.VOID_TYPE, new Type[] { TYPE_STRING })); Iterator it; // fields for constants it = constTable.keySet().iterator(); while (it.hasNext()) { Object key = it.next(); // key: object (const) String val = Data.string(constTable.get(key)); mv.visitVarInsn(Opcodes.ALOAD, 0); mv.visitVarInsn(Opcodes.ALOAD, 0); mv.visitLdcInsn(Printer.prin1ToString(key, env)); mv.visitVarInsn(Opcodes.ALOAD, 1); mv.visitMethodInsn(Opcodes.INVOKESPECIAL, "lapin/function/CompiledExpr", "toSexp", Type.getMethodDescriptor(TYPE_OBJECT, new Type[] { TYPE_STRING, TYPE_ENV })); mv.visitFieldInsn(Opcodes.PUTFIELD, toInternalName(super.classInfo.classname()), val, TYPE_OBJECT.getDescriptor()); } // fields for vars it = varTable.keySet().iterator(); while (it.hasNext()) { Object key = it.next(); // key: symbol (var) String val = Data.string(varTable.get(key)); mv.visitVarInsn(Opcodes.ALOAD, 0); mv.visitVarInsn(Opcodes.ALOAD, 0); mv.visitLdcInsn(Printer.prin1ToString(key, env)); mv.visitVarInsn(Opcodes.ALOAD, 1); mv.visitMethodInsn(Opcodes.INVOKESPECIAL, "lapin/function/CompiledExpr", "toSexp", Type.getMethodDescriptor(TYPE_OBJECT, new Type[] { TYPE_STRING, TYPE_ENV })); mv.visitMethodInsn(Opcodes.INVOKESTATIC, "lapin/lang/Data", "symbol", Type.getMethodDescriptor(TYPE_SYMBOL, new Type[] { TYPE_OBJECT })); mv.visitFieldInsn(Opcodes.PUTFIELD, toInternalName(super.classInfo.classname()), val, TYPE_SYMBOL.getDescriptor()); } // fields for lambdaLists it = llTable.keySet().iterator(); while (it.hasNext()) { Object key = it.next(); // key: lambdaList String val = Data.string(llTable.get(key)); mv.visitVarInsn(Opcodes.ALOAD, 0); mv.visitVarInsn(Opcodes.ALOAD, 0); mv.visitLdcInsn(Printer.prin1ToString(Data.lambdaList(key).params(), env)); mv.visitVarInsn(Opcodes.ALOAD, 1); mv.visitMethodInsn(Opcodes.INVOKESPECIAL, "lapin/function/CompiledExpr", "toLambdaList", Type.getMethodDescriptor(TYPE_LAMBDA_LIST, new Type[] { TYPE_STRING, TYPE_ENV })); mv.visitFieldInsn(Opcodes.PUTFIELD, toInternalName(super.classInfo.classname()), val, TYPE_LAMBDA_LIST.getDescriptor()); } // field for SELF (static field) mv.visitVarInsn(Opcodes.ALOAD, 0); mv.visitFieldInsn(Opcodes.PUTSTATIC, toInternalName(super.classInfo.classname()), "SELF", toTypeDescriptor(super.classInfo.classname())); mv.visitInsn(Opcodes.RETURN); mv.visitMaxs(0, 0); mv.visitEnd(); }
From source file:lapin.comp.asm.ASMByteCodeGenerator.java
License:Open Source License
private void generateCall(CallableInfo ci, Env env) { /*/* w w w . j a v a 2 s .c o m*/ * local variables * <Callable#call> * 0: this * 1: args (list of arguments) * 2: env * * <Callable0#call0> * 0: this * 1: env * * <Callable1#call1> * 0: this * 1: arg0 * 2: env * * <Callable2#call2> * 0: this * 1: arg0 * 2: arg1 * 3: env * * ... * */ MethodVisitor mv = _cw.visitMethod( ci.mi.implCallable() ? Opcodes.ACC_PUBLIC + Opcodes.ACC_FINAL : Opcodes.ACC_FINAL, ci.mi.name(), Type.getMethodDescriptor(ci.retType, ci.paramTypes), null, null); // instruction list int len = ci.mi.instLen(); // label Label label = null; // generate code for (int i = 0; i < len; i++) { Object inst = ci.mi.getInst(i); if (Logger.tracelevelp(env)) Logger.trace("[asm:gen]" + i + ":\t~S", Lists.list(inst), env); // inst is symbol // -> convert tag (Symbol) to label (ASMe Label object) if (Data.isSymbol(inst)) { Symbol tag = Data.symbol(inst); Label l = (Label) ci.labelTable.get(tag); if (l == null) { throw new NotReachedException("label is null: ~S.", Lists.list(tag)); } else if (l != label) { mv.visitLabel(l); label = l; if (Logger.tracelevelp(env)) Logger.trace("[asm:gen]" + i + ":\ttag ~S -> label ~S", Lists.list(tag, l), env); } else { if (Logger.tracelevelp(env)) Logger.trace("[asm:gen]" + i + ":\ttag ~S -> label ~S" + " (dup)", Lists.list(tag, l), env); } continue; } // inst must be the form of (id <arg1> <arg2> ....) Object id = Lists.car(inst); if (id == Insts.CONST) { /* push const on the stack. */ Object obj = Lists.cadr(inst); String val = Data.string(constTable.get(obj)); mv.visitVarInsn(Opcodes.ALOAD, 0); mv.visitFieldInsn(Opcodes.GETFIELD, toInternalName(super.classInfo.classname()), val, TYPE_OBJECT.getDescriptor()); } else if (id == Insts.VAR) { /* push var on the stack */ Object var = Lists.cadr(inst); String val = Data.string(varTable.get(var)); mv.visitVarInsn(Opcodes.ALOAD, 0); mv.visitFieldInsn(Opcodes.GETFIELD, toInternalName(super.classInfo.classname()), val, TYPE_SYMBOL.getDescriptor()); } else if (id == Insts.LAMBDA_LIST) { /* push lambdaList on the stack */ Object var = Lists.cadr(inst); /* push _ll_<i> on the stack */ String val = Data.string(llTable.get(var)); mv.visitVarInsn(Opcodes.ALOAD, 0); mv.visitFieldInsn(Opcodes.GETFIELD, toInternalName(super.classInfo.classname()), val, TYPE_LAMBDA_LIST.getDescriptor()); } else if (id == Insts.ENV_GET) { /* env.get */ Class type = Data.javaClass(Lists.cadr(inst)); if (type.equals(int.class)) { mv.visitMethodInsn(Opcodes.INVOKEVIRTUAL, TYPE_ENV.getInternalName(), "getInt", Type.getMethodDescriptor(Type.INT_TYPE, new Type[] { TYPE_SYMBOL })); } else if (type.equals(double.class)) { mv.visitMethodInsn(Opcodes.INVOKEVIRTUAL, TYPE_ENV.getInternalName(), "getDouble", Type.getMethodDescriptor(Type.DOUBLE_TYPE, new Type[] { TYPE_SYMBOL })); } else if (type.equals(char.class)) { mv.visitMethodInsn(Opcodes.INVOKEVIRTUAL, TYPE_ENV.getInternalName(), "getChar", Type.getMethodDescriptor(Type.CHAR_TYPE, new Type[] { TYPE_SYMBOL })); } else if (Object.class.isAssignableFrom(type)) { mv.visitMethodInsn(Opcodes.INVOKEVIRTUAL, TYPE_ENV.getInternalName(), "get", Type.getMethodDescriptor(TYPE_OBJECT, new Type[] { TYPE_SYMBOL })); } else { throw new NotReachedException("unsupported type: ~S.", Lists.list(type)); } } else if (id == Insts.ENV_SET) { /* env.set */ Class type = Data.javaClass(Lists.cadr(inst)); if (type.equals(int.class)) { mv.visitMethodInsn(Opcodes.INVOKEVIRTUAL, TYPE_ENV.getInternalName(), "set", Type.getMethodDescriptor(Type.VOID_TYPE, new Type[] { TYPE_SYMBOL, Type.INT_TYPE })); } else if (type.equals(double.class)) { mv.visitMethodInsn(Opcodes.INVOKEVIRTUAL, TYPE_ENV.getInternalName(), "set", Type.getMethodDescriptor(Type.VOID_TYPE, new Type[] { TYPE_SYMBOL, Type.DOUBLE_TYPE })); } else if (type.equals(char.class)) { mv.visitMethodInsn(Opcodes.INVOKEVIRTUAL, TYPE_ENV.getInternalName(), "set", Type.getMethodDescriptor(Type.VOID_TYPE, new Type[] { TYPE_SYMBOL, Type.CHAR_TYPE })); } else if (Object.class.isAssignableFrom(type)) { mv.visitMethodInsn(Opcodes.INVOKEVIRTUAL, TYPE_ENV.getInternalName(), "set", Type.getMethodDescriptor(Type.VOID_TYPE, new Type[] { TYPE_SYMBOL, TYPE_OBJECT })); } else { throw new NotReachedException("unsupported type: ~S.", Lists.list(type)); } } else if (id == Insts.ENV_BIND) { /* env.bind */ Class type = Data.javaClass(Lists.cadr(inst)); if (type.equals(int.class)) { mv.visitMethodInsn(Opcodes.INVOKEVIRTUAL, TYPE_ENV.getInternalName(), "bind", Type.getMethodDescriptor(Type.VOID_TYPE, new Type[] { TYPE_SYMBOL, Type.INT_TYPE })); } else if (type.equals(double.class)) { mv.visitMethodInsn(Opcodes.INVOKEVIRTUAL, TYPE_ENV.getInternalName(), "bind", Type.getMethodDescriptor(Type.VOID_TYPE, new Type[] { TYPE_SYMBOL, Type.DOUBLE_TYPE })); } else if (type.equals(char.class)) { mv.visitMethodInsn(Opcodes.INVOKEVIRTUAL, TYPE_ENV.getInternalName(), "bind", Type.getMethodDescriptor(Type.VOID_TYPE, new Type[] { TYPE_SYMBOL, Type.CHAR_TYPE })); } else if (Object.class.isAssignableFrom(type)) { mv.visitMethodInsn(Opcodes.INVOKEVIRTUAL, TYPE_ENV.getInternalName(), "bind", Type.getMethodDescriptor(Type.VOID_TYPE, new Type[] { TYPE_SYMBOL, TYPE_OBJECT })); } else { throw new NotReachedException("unsupported type: ~S.", Lists.list(type)); } } else if (id == Insts.ENV_UNBIND) { /* env.unbind */ Class type = Data.javaClass(Lists.cadr(inst)); if (type.equals(int.class)) { mv.visitMethodInsn(Opcodes.INVOKEVIRTUAL, TYPE_ENV.getInternalName(), "unbindInt", Type.getMethodDescriptor(Type.INT_TYPE, new Type[] { TYPE_SYMBOL })); } else if (type.equals(double.class)) { mv.visitMethodInsn(Opcodes.INVOKEVIRTUAL, TYPE_ENV.getInternalName(), "unbindDouble", Type.getMethodDescriptor(Type.DOUBLE_TYPE, new Type[] { TYPE_SYMBOL })); } else if (type.equals(char.class)) { mv.visitMethodInsn(Opcodes.INVOKEVIRTUAL, TYPE_ENV.getInternalName(), "unbindChar", Type.getMethodDescriptor(Type.CHAR_TYPE, new Type[] { TYPE_SYMBOL })); } else if (Object.class.isAssignableFrom(type)) { mv.visitMethodInsn(Opcodes.INVOKEVIRTUAL, TYPE_ENV.getInternalName(), "unbind", Type.getMethodDescriptor(TYPE_OBJECT, new Type[] { TYPE_SYMBOL })); } else { throw new NotReachedException("unsupported type: ~S.", Lists.list(type)); } } else if (id == Insts.ENV_CHILD) { /* env.child */ Object oldEnvVar = Lists.cadr(inst); Object newEnvVar = Lists.caddr(inst); Object oldSlot = Lists.cadr(oldEnvVar); Object newSlot = Lists.cadr(newEnvVar); int oldLocal = Data.fixnum(ci.localTable.get(oldSlot)).intValue(); int newLocal = Data.fixnum(ci.localTable.get(newSlot)).intValue(); if (Logger.tracelevelp(env)) Logger.trace("[asm:gen]" + i + ":\tenv-child: local ~S -> ~S", Lists.list(Data.toFixnum(oldLocal), Data.toFixnum(newLocal)), env); mv.visitVarInsn(Opcodes.ALOAD, oldLocal); mv.visitMethodInsn(Opcodes.INVOKEVIRTUAL, TYPE_ENV.getInternalName(), "child", Type.getMethodDescriptor(TYPE_ENV, TYPE_NO_ARGS)); mv.visitVarInsn(Opcodes.ASTORE, newLocal); } else if (id == Insts.CALL) { /* funcall */ int nargs = Data.fixnum(Lists.cadr(inst)).intValue(); String className = "lapin.eval.Funcall"; String methodName = nargs < 0 ? "funcall" : "funcall" + nargs; Class rType = Object.class; Class[] pTypes; if (nargs < 0) { pTypes = new Class[] { Function.class, Object.class, // list of args Env.class }; } else { pTypes = new Class[nargs + 2]; pTypes[0] = Function.class; for (int j = 0; j < nargs; j++) { pTypes[j + 1] = Object.class; } pTypes[nargs + 1] = Env.class; } Type retType = Type.getType(rType); Type[] paramTypes = new Type[pTypes.length]; for (int j = 0; j < pTypes.length; j++) paramTypes[j] = Type.getType(pTypes[j]); mv.visitMethodInsn(Opcodes.INVOKESTATIC, toInternalName(className), methodName, Type.getMethodDescriptor(retType, paramTypes)); } else if (id == Insts.CALL_DIRECT) { /* * public class Foo * extends CompiledExpr implements Callable2 { * public Object call2(Object arg0, Object arg1, Env env) { * ... * } * } */ MethodInfo mi = (MethodInfo) Lists.cadr(inst); String className = mi.classInfo().classname(); int nargs = mi.nargs(); boolean rest = mi.rest(); String methodName = mi.name(); Class rType = mi.retType(); Class[] pTypes = mi.paramTypes(); Type retType = Type.getType(rType); Type[] paramTypes = new Type[pTypes.length]; for (int j = 0; j < pTypes.length; j++) paramTypes[j] = Type.getType(pTypes[j]); mv.visitMethodInsn(Opcodes.INVOKEVIRTUAL, toInternalName(className), methodName, Type.getMethodDescriptor(retType, paramTypes)); } else if (id == Insts.COMPILED_EXPR) { /* * public class Foo extends CompiledExpr { * static public Foo SELF; * ... * } */ String className = Data.string(Lists.cadr(inst)); String fieldName = "SELF"; String typeName = className; mv.visitFieldInsn(Opcodes.GETSTATIC, toInternalName(className), fieldName, toTypeDescriptor(typeName)); } else if (id == Insts.RETURN) { /* return */ Class type = Data.javaClass(Lists.cadr(inst)); if (type.equals(int.class) || type.equals(short.class) || type.equals(byte.class) || type.equals(char.class)) { mv.visitInsn(Opcodes.IRETURN); } else if (type.equals(long.class)) { mv.visitInsn(Opcodes.LRETURN); } else if (type.equals(float.class)) { mv.visitInsn(Opcodes.FRETURN); } else if (type.equals(double.class)) { mv.visitInsn(Opcodes.DRETURN); } else if (type.equals(void.class)) { //mv.visitInsn(Opcodes.RETURN); throw new NotReachedException("unsupported returnType: ~S.", Lists.list(type)); } else { mv.visitInsn(Opcodes.ARETURN); } } else if (id == Insts.IFEQ) { /* conditional jump */ Symbol tag = Data.symbol(Lists.cadr(inst)); Label l = (Label) ci.labelTable.get(tag); if (l == null) { throw new NotReachedException("label not found: ~S.", Lists.list(tag)); } mv.visitJumpInsn(Opcodes.IFEQ, l); } else if (id == Insts.IFNE) { /* conditional jump */ Symbol tag = Data.symbol(Lists.cadr(inst)); Label l = (Label) ci.labelTable.get(tag); if (l == null) { throw new NotReachedException("label not found: ~S.", Lists.list(tag)); } mv.visitJumpInsn(Opcodes.IFNE, l); } else if (id == Insts.GOTO) { /* jump */ Symbol tag = Data.symbol(Lists.cadr(inst)); Label l = (Label) ci.labelTable.get(tag); if (l == null) { throw new NotReachedException("label not found: ~S.", Lists.list(tag)); } mv.visitJumpInsn(Opcodes.GOTO, l); } else if (id == Insts.LOAD) { /* local -> stack */ Object localVar = Lists.cadr(inst); Object slot = Lists.cadr(localVar); Class type = Data.javaClass(Lists.caddr(localVar)); int local = Data.fixnum(ci.localTable.get(slot)).intValue(); int op = Type.getType(type).getOpcode(Opcodes.ILOAD); if (Logger.tracelevelp(env)) Logger.trace("[asm:gen]" + i + ":\tload: local=~S type=~S", Lists.list(Data.toFixnum(local), type), env); mv.visitVarInsn(op, local); } else if (id == Insts.STORE) { /* stack -> local */ Object localVar = Lists.cadr(inst); Object slot = Lists.cadr(localVar); Class type = Data.javaClass(Lists.caddr(localVar)); int local = Data.fixnum(ci.localTable.get(slot)).intValue(); int op = Type.getType(type).getOpcode(Opcodes.ISTORE); if (Logger.tracelevelp(env)) Logger.trace("[asm:gen]" + i + ":\tstore: local=~S type=~S", Lists.list(Data.toFixnum(local), type), env); mv.visitVarInsn(op, local); } else if (id == Insts.POP) { /* pop a value and discard it */ Class type = Data.javaClass(Lists.cadr(inst)); int op; switch (Classes.sizeOf(type)) { case 1: op = Opcodes.POP; break; case 2: op = Opcodes.POP2; break; default: throw new NotReachedException("unsupported type: ~S.", Lists.list(type)); } mv.visitInsn(op); } else if (id == Insts.DUP) { /* peek a value and duplicate it */ Class type = Data.javaClass(Lists.cadr(inst)); int op; switch (Classes.sizeOf(type)) { case 1: op = Opcodes.DUP; break; case 2: op = Opcodes.DUP2; break; default: throw new NotReachedException("unsupported type: ~S.", Lists.list(type)); } mv.visitInsn(op); } else if (id == Insts.PUSH) { /* push a constant */ Object val = Lists.cadr(inst); if (Data.isJavaBoolean(val)) { if (Data.javaBoolean(val).booleanValue()) mv.visitInsn(Opcodes.ICONST_1); else mv.visitInsn(Opcodes.ICONST_0); } else if (val instanceof Byte || val instanceof Short || val instanceof Integer) { int n = Data.javaNumber(val).intValue(); if (n == -1) mv.visitInsn(Opcodes.ICONST_M1); else if (n == 0) mv.visitInsn(Opcodes.ICONST_0); else if (n == 1) mv.visitInsn(Opcodes.ICONST_1); else if (n == 2) mv.visitInsn(Opcodes.ICONST_2); else if (n == 3) mv.visitInsn(Opcodes.ICONST_3); else if (n == 4) mv.visitInsn(Opcodes.ICONST_4); else if (n == 5) mv.visitInsn(Opcodes.ICONST_5); else if (Byte.MIN_VALUE <= n && n <= Byte.MAX_VALUE) mv.visitIntInsn(Opcodes.BIPUSH, n); else if (Short.MIN_VALUE <= n && n <= Short.MAX_VALUE) mv.visitIntInsn(Opcodes.SIPUSH, n); else mv.visitLdcInsn(Data.toFixnum(n)); } else if (val instanceof Long) { long n = Data.javaNumber(val).longValue(); if (n == 0L) mv.visitInsn(Opcodes.LCONST_0); else if (n == 1L) mv.visitInsn(Opcodes.LCONST_1); else mv.visitLdcInsn(val); } else if (val instanceof Float) { float n = Data.javaNumber(val).floatValue(); if (n == 0.0f) mv.visitInsn(Opcodes.FCONST_0); else if (n == 1.0f) mv.visitInsn(Opcodes.FCONST_1); else if (n == 2.0f) mv.visitInsn(Opcodes.FCONST_2); else mv.visitLdcInsn(val); } else if (val instanceof Double) { double n = Data.javaNumber(val).doubleValue(); if (n == 0.0) mv.visitInsn(Opcodes.DCONST_0); else if (n == 1.0) mv.visitInsn(Opcodes.DCONST_1); else mv.visitLdcInsn(val); } else if (Data.isCharacter(val)) { Character c = Data.character(val); int n = (int) c.charValue(); if (Byte.MIN_VALUE <= n && n <= Byte.MAX_VALUE) mv.visitIntInsn(Opcodes.BIPUSH, n); else if (Short.MIN_VALUE <= n && n <= Short.MAX_VALUE) mv.visitIntInsn(Opcodes.SIPUSH, n); else mv.visitLdcInsn(Data.toFixnum(n)); } else if (Data.isString(val)) { mv.visitLdcInsn(val); } else { throw new NotReachedException("cannot push: ~S.", Lists.list(val)); } } else if (id == Insts.GET) { Field f = Data.javaField(Lists.cadr(inst)); String fieldName = f.getName(); Class c = f.getDeclaringClass(); String className = c.getName(); Class t = f.getType(); String typeName = t.getName(); boolean isStatic = Classes.isStatic(f); int op = isStatic ? Opcodes.GETSTATIC : Opcodes.GETFIELD; mv.visitFieldInsn(op, toInternalName(className), fieldName, toTypeDescriptor(typeName)); } else if (id == Insts.PUT) { Field f = Data.javaField(Lists.cadr(inst)); String fieldName = f.getName(); Class c = f.getDeclaringClass(); String className = c.getName(); Class t = f.getType(); String typeName = t.getName(); boolean isStatic = Classes.isStatic(f); int op = isStatic ? Opcodes.PUTSTATIC : Opcodes.PUTFIELD; mv.visitFieldInsn(op, toInternalName(className), fieldName, toTypeDescriptor(typeName)); } else if (id == Insts.INVOKE) { Method m = Data.javaMethod(Lists.cadr(inst)); String methodName = m.getName(); Class c = m.getDeclaringClass(); String className = c.getName(); Class rType = m.getReturnType(); Class[] pTypes = m.getParameterTypes(); if (rType.equals(void.class)) { throw new NotReachedException("unsupported returnType: ~S.", Lists.list(rType)); } Type retType = Type.getType(rType); Type[] paramTypes = new Type[pTypes.length]; for (int j = 0; j < pTypes.length; j++) paramTypes[j] = Type.getType(pTypes[j]); boolean isStatic = Classes.isStatic(m); boolean isInterface = c.isInterface(); int op = isStatic ? Opcodes.INVOKESTATIC : isInterface ? Opcodes.INVOKEINTERFACE : Opcodes.INVOKEVIRTUAL; mv.visitMethodInsn(op, toInternalName(className), methodName, Type.getMethodDescriptor(retType, paramTypes)); } else if (id == Insts.CHECKCAST) { Class c = Data.javaClass(Lists.cadr(inst)); Type t = Type.getType(c); mv.visitTypeInsn(Opcodes.CHECKCAST, t.getInternalName()); } else if (id == Insts.THROW) { mv.visitInsn(Opcodes.ATHROW); } else if (id == Insts.CATCH) { Symbol tagS = Data.symbol(Lists.cadr(inst)); Symbol tagE = Data.symbol(Lists.caddr(inst)); Symbol tagH = Data.symbol(Lists.cadddr(inst)); String className; if (Lists.isEnd(Lists.cddddr(inst))) { className = null; } else { Class c = Data.javaClass(Lists.car(Lists.cddddr(inst))); className = toInternalName(c.getName()); } Label labelS = (Label) ci.labelTable.get(tagS); if (labelS == null) { throw new NotReachedException("label not found: ~S.", Lists.list(tagS)); } Label labelE = (Label) ci.labelTable.get(tagE); if (labelE == null) { throw new NotReachedException("label not found: ~S.", Lists.list(tagE)); } Label labelH = (Label) ci.labelTable.get(tagH); if (labelH == null) { throw new NotReachedException("label not found: ~S.", Lists.list(tagH)); } mv.visitTryCatchBlock(labelS, labelE, labelH, className); } //else if (id == Insts.CATCH_FROM || // id == Insts.CATCH_TO || // id == Insts.CATCH_HANDLER) { // /* nothing emitted */ // continue; //} else { throw new NotReachedException("unknown inst: ~S.", Lists.list(inst)); } } mv.visitMaxs(0, 0); mv.visitEnd(); }
From source file:local.edg.ClassDbVisitor.java
License:Open Source License
@Override public void visitFieldInsn(int opcode, String owner, String name, String desc) { currentMethod.setEmpty(false);//from ww w.ja va 2 s . com Class c; Field f; switch (opcode) { case Opcodes.GETFIELD: case Opcodes.GETSTATIC: c = getClass(owner); f = getField(c, name); f.setDesc(desc); // read after write is not a real read // if (!currentMethod.hasWrite(f)){ currentMethod.addRead(f); // } break; case Opcodes.PUTFIELD: case Opcodes.PUTSTATIC: c = getClass(owner); f = getField(c, name); f.setDesc(desc); currentMethod.addWrite(f); break; } }