private static void createProperty(ClassWriter cw, String classType, ASMProperty property) throws PageException { String name = property.getName(); Type type = property.getASMType(); Class clazz = property.getClazz(); cw.visitField(Opcodes.ACC_PRIVATE, name, type.toString(), null, null).visitEnd(); int load = loadFor(type); // int sizeOf=sizeOf(type); // get<PropertyName>():<type> Type[] types = new Type[0]; Method method = new Method( (clazz == boolean.class ? "get" : "get") + StringUtil.ucFirst(name), type, types); GeneratorAdapter adapter = new GeneratorAdapter(Opcodes.ACC_PUBLIC, method, null, null, cw); Label start = new Label(); adapter.visitLabel(start); adapter.visitVarInsn(Opcodes.ALOAD, 0); adapter.visitFieldInsn(Opcodes.GETFIELD, classType, name, type.toString()); adapter.returnValue(); Label end = new Label(); adapter.visitLabel(end); adapter.visitLocalVariable("this", "L" + classType + ";", null, start, end, 0); adapter.visitEnd(); adapter.endMethod(); // set<PropertyName>(object):void types = new Type[] {type}; method = new Method("set" + StringUtil.ucFirst(name), Types.VOID, types); adapter = new GeneratorAdapter(Opcodes.ACC_PUBLIC, method, null, null, cw); start = new Label(); adapter.visitLabel(start); adapter.visitVarInsn(Opcodes.ALOAD, 0); adapter.visitVarInsn(load, 1); adapter.visitFieldInsn(Opcodes.PUTFIELD, classType, name, type.toString()); adapter.visitInsn(Opcodes.RETURN); end = new Label(); adapter.visitLabel(end); adapter.visitLocalVariable("this", "L" + classType + ";", null, start, end, 0); adapter.visitLocalVariable(name, type.toString(), null, start, end, 1); // adapter.visitMaxs(0, 0);//.visitMaxs(sizeOf+1, sizeOf+1);// hansx adapter.visitEnd(); adapter.endMethod(); }
public int visitBeforeExpression(GeneratorAdapter adapter, int start, int step, boolean isLocal) { // init adapter.visitLabel(beforeInit); forInit(adapter, start, isLocal); adapter.goTo(beforeExpr); // update adapter.visitLabel(beforeUpdate); forUpdate(adapter, step, isLocal); // expression adapter.visitLabel(beforeExpr); return i; }
private void _writeOutFinally(BytecodeContext bc, int lRef) throws BytecodeException { // ref.remove(pc); // Reference r=null; GeneratorAdapter adapter = bc.getAdapter(); // if(fcf!=null && // fcf.getAfterFinalGOTOLabel()!=null)ASMUtil.visitLabel(adapter,fcf.getFinalEntryLabel()); ExpressionUtil.visitLine(bc, finallyLine); // if (reference != null) // reference.removeEL(pagecontext); Label removeEnd = new Label(); adapter.loadLocal(lRef); adapter.ifNull(removeEnd); adapter.loadLocal(lRef); adapter.loadArg(0); adapter.invokeInterface(Types.REFERENCE, REMOVE_EL); adapter.pop(); adapter.visitLabel(removeEnd); if (finallyBody != null) finallyBody.writeOut(bc); // finally /*if(fcf!=null){ Label l = fcf.getAfterFinalGOTOLabel(); if(l!=null)adapter.visitJumpInsn(Opcodes.GOTO, l); }*/ }
/** * @see * railo.transformer.bytecode.statement.StatementBase#_writeOut(org.objectweb.asm.commons.GeneratorAdapter) */ public void _writeOut(BytecodeContext bc) throws BytecodeException { GeneratorAdapter adapter = bc.getAdapter(); adapter.visitLabel(begin); // Reference ref=null; final int lRef = adapter.newLocal(Types.REFERENCE); adapter.visitInsn(Opcodes.ACONST_NULL); adapter.storeLocal(lRef); // has no try body, if there is no try body, no catches are executed, only finally if (!tryBody.hasStatements()) { if (finallyBody != null) finallyBody.writeOut(bc); return; } TryCatchFinallyVisitor tcfv = new TryCatchFinallyVisitor( new OnFinally() { public void writeOut(BytecodeContext bc) throws BytecodeException { _writeOutFinally(bc, lRef); } }, getFlowControlFinal()); // try tcfv.visitTryBegin(bc); tryBody.writeOut(bc); int lThrow = tcfv.visitTryEndCatchBeging(bc); _writeOutCatch(bc, lRef, lThrow); tcfv.visitCatchEnd(bc); }
/** * @see * lucee.transformer.bytecode.expression.ExpressionBase#_writeOut(org.objectweb.asm.commons.GeneratorAdapter, * int) */ @Override public Type _writeOut(BytecodeContext bc, int mode) throws TransformerException { GeneratorAdapter adapter = bc.getAdapter(); if (mode == MODE_REF) { _writeOut(bc, MODE_VALUE); adapter.invokeStatic(Types.CASTER, Methods.METHOD_TO_BOOLEAN_FROM_BOOLEAN); return Types.BOOLEAN; } Label l1 = new Label(); Label l2 = new Label(); expr.writeOut(bc, MODE_VALUE); adapter.ifZCmp(Opcodes.IFEQ, l1); adapter.visitInsn(Opcodes.ICONST_0); adapter.visitJumpInsn(Opcodes.GOTO, l2); adapter.visitLabel(l1); adapter.visitInsn(Opcodes.ICONST_1); adapter.visitLabel(l2); return Types.BOOLEAN_VALUE; }
private void _writeOutCatch(BytecodeContext bc, int lRef, int lThrow) throws BytecodeException { GeneratorAdapter adapter = bc.getAdapter(); int pe = adapter.newLocal(Types.PAGE_EXCEPTION); // instance of Abort Label abortEnd = new Label(); adapter.loadLocal(lThrow); adapter.invokeStatic(Types.ABORT, TryCatchFinally.IS_ABORT); // adapter.instanceOf(Types.ABORT); adapter.ifZCmp(Opcodes.IFEQ, abortEnd); adapter.loadLocal(lThrow); adapter.throwException(); adapter.visitLabel(abortEnd); // PageExceptionImpl old=pc.getCatch(); int old = adapter.newLocal(Types.PAGE_EXCEPTION); adapter.loadArg(0); adapter.invokeVirtual(Types.PAGE_CONTEXT, TagTry.GET_CATCH); adapter.storeLocal(old); // cast to PageException Caster.toPagException(t); adapter.loadLocal(lThrow); adapter.invokeStatic(Types.CASTER, TO_PAGE_EXCEPTION); // PageException pe=... adapter.storeLocal(pe); // catch loop Label endAllIf = new Label(); Iterator<Catch> it = catches.iterator(); Catch ctElse = null; while (it.hasNext()) { Catch ct = it.next(); // store any for else if (ct.type != null && ct.type instanceof LitString && ((LitString) ct.type).getString().equalsIgnoreCase("any")) { ctElse = ct; continue; } ExpressionUtil.visitLine(bc, ct.line); // pe.typeEqual(type) if (ct.type == null) { LitBoolean.TRUE.writeOut(bc, Expression.MODE_VALUE); } else { adapter.loadLocal(pe); ct.type.writeOut(bc, Expression.MODE_REF); adapter.invokeVirtual(Types.PAGE_EXCEPTION, TYPE_EQUAL); } Label endIf = new Label(); adapter.ifZCmp(Opcodes.IFEQ, endIf); catchBody(bc, adapter, ct, pe, lRef, true, true); adapter.visitJumpInsn(Opcodes.GOTO, endAllIf); adapter.visitLabel(endIf); } if (ctElse != null) { catchBody(bc, adapter, ctElse, pe, lRef, true, true); } else { // pc.setCatch(pe,true); adapter.loadArg(0); adapter.loadLocal(pe); adapter.push(false); adapter.push(false); adapter.invokeVirtual(Types.PAGE_CONTEXT, TagTry.SET_CATCH3); adapter.loadLocal(pe); adapter.throwException(); } adapter.visitLabel(endAllIf); // PageExceptionImpl old=pc.setCatch(old); adapter.loadArg(0); adapter.loadLocal(old); adapter.invokeVirtual(Types.PAGE_CONTEXT, TagTry.SET_CATCH_PE); }
public static void visitLabel(GeneratorAdapter ga, Label label) { if (label != null) ga.visitLabel(label); }