本文整理汇总了Java中org.apache.bcel.generic.INSTANCEOF类的典型用法代码示例。如果您正苦于以下问题:Java INSTANCEOF类的具体用法?Java INSTANCEOF怎么用?Java INSTANCEOF使用的例子?那么恭喜您, 这里精选的类代码示例或许可以为您提供帮助。
INSTANCEOF类属于org.apache.bcel.generic包,在下文中一共展示了INSTANCEOF类的7个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于我们的系统推荐出更棒的Java代码示例。
示例1: isPEI
import org.apache.bcel.generic.INSTANCEOF; //导入依赖的package包/类
/**
* Return whether or not the given instruction can throw exceptions.
*
* @param handle
* the instruction
* @return true if the instruction can throw an exception, false otherwise
*/
private boolean isPEI(InstructionHandle handle) {
Instruction ins = handle.getInstruction();
if (!(ins instanceof ExceptionThrower))
return false;
if (ins instanceof NEW)
return false;
// if (ins instanceof ATHROW) return false;
if (ins instanceof GETSTATIC)
return false;
if (ins instanceof PUTSTATIC)
return false;
if (ins instanceof ReturnInstruction)
return false;
if (ins instanceof INSTANCEOF)
return false;
if (ins instanceof MONITOREXIT)
return false;
if (ins instanceof LDC)
return false;
return true;
}
开发者ID:ytus,项目名称:findbugs-all-the-bugs,代码行数:32,代码来源:BetterCFGBuilder2.java
示例2: insertTypecheckCode
import org.apache.bcel.generic.INSTANCEOF; //导入依赖的package包/类
InstructionHandle insertTypecheckCode(MethodGen m, InstructionList il,
InstructionHandle pos, int spawnId, int exceptionPos) {
ArrayList<CodeExceptionGen> catches = mtab.getCatchTypes(m, spawnId);
InstructionHandle[] jumpTargets = new InstructionHandle[catches.size() + 1];
BranchHandle[] jumps = new BranchHandle[catches.size()];
for (int i = 0; i < catches.size(); i++) {
CodeExceptionGen e = catches.get(i);
ObjectType type = e.getCatchType();
InstructionHandle catchTarget = e.getHandlerPC();
jumpTargets[i] = il.insert(pos, new ALOAD(exceptionPos));
il.insert(pos, new INSTANCEOF(cpg.addClass(type)));
il.insert(pos, new BIPUSH((byte) 1));
jumps[i] = il.insert(pos, new IF_ICMPNE(null));
il.insert(pos, new ALOAD(exceptionPos));
il.insert(pos, ins_f.createCheckCast(type));
il.insert(pos, new GOTO(catchTarget));
}
InstructionHandle t = il.insert(pos, new ALOAD(exceptionPos));
il.insert(pos, new ATHROW());
jumpTargets[catches.size()] = t;
for (int i = 0; i < catches.size(); i++) {
jumps[i].setTarget(jumpTargets[i + 1]);
}
return pos;
}
开发者ID:pieterhijma,项目名称:cashmere,代码行数:34,代码来源:Cashmerec.java
示例3: visitINSTANCEOF
import org.apache.bcel.generic.INSTANCEOF; //导入依赖的package包/类
public void visitINSTANCEOF(INSTANCEOF i) {
Type t = i.getType(poolGen);
log.log(" instr(instanceof)=" + t, Project.MSG_DEBUG);
String type = t.toString();
design.checkClass(type);
}
开发者ID:cniweb,项目名称:ant-contrib,代码行数:8,代码来源:InstructionVisitor.java
示例4: injectCommonExceptionCatchBlock
import org.apache.bcel.generic.INSTANCEOF; //导入依赖的package包/类
/**
* Inject common exception catch blocks
*/
public void injectCommonExceptionCatchBlock(InstructionList il, MethodGen method, int variableIndex) {
il.append(new INSTANCEOF(constantsPool.addClass(new ObjectType("java.lang.RuntimeException"))));
BranchInstruction b1 = InstructionFactory.createBranchInstruction(Constants.IFEQ, null);
il.append(b1);
il.append(InstructionFactory.createLoad(Type.OBJECT, variableIndex));
il.append(factory.createCheckCast(new ObjectType("java.lang.RuntimeException")));
il.append(InstructionConstants.ATHROW);
InstructionHandle ih1 = il.append(InstructionFactory.createLoad(Type.OBJECT, variableIndex));
il.append(new INSTANCEOF(constantsPool.addClass(new ObjectType("java.lang.Error"))));
BranchInstruction b2 = InstructionFactory.createBranchInstruction(Constants.IFEQ, null);
il.append(b2);
il.append(InstructionFactory.createLoad(Type.OBJECT, variableIndex));
il.append(factory.createCheckCast(new ObjectType("java.lang.Error")));
il.append(InstructionConstants.ATHROW);
InstructionHandle ih2 = il.append(InstructionFactory.createLoad(Type.OBJECT, variableIndex));
il.append(factory.createInvoke("java.lang.Throwable", "printStackTrace", Type.VOID, Type.NO_ARGS, Constants.INVOKEVIRTUAL));
il.append(factory.createNew("org.codehaus.jremoting.client.InvocationException"));
il.append(InstructionConstants.DUP);
il.append(factory.createNew("java.lang.StringBuffer"));
il.append(InstructionConstants.DUP);
il.append(new PUSH(constantsPool, "Should never get here: "));
il.append(factory.createInvoke("java.lang.StringBuffer", "<init>", Type.VOID, new Type[]{Type.STRING}, Constants.INVOKESPECIAL));
il.append(InstructionFactory.createLoad(Type.OBJECT, variableIndex));
il.append(factory.createInvoke("java.lang.Throwable", "getMessage", Type.STRING, Type.NO_ARGS, Constants.INVOKEVIRTUAL));
il.append(factory.createInvoke("java.lang.StringBuffer", "append", Type.STRINGBUFFER, new Type[]{Type.STRING}, Constants.INVOKEVIRTUAL));
il.append(factory.createInvoke("java.lang.StringBuffer", "toString", Type.STRING, Type.NO_ARGS, Constants.INVOKEVIRTUAL));
il.append(factory.createInvoke("org.codehaus.jremoting.client.InvocationException", "<init>", Type.VOID, new Type[]{Type.STRING}, Constants.INVOKESPECIAL));
il.append(InstructionConstants.ATHROW);
b1.setTarget(ih1);
b2.setTarget(ih2);
}
开发者ID:paul-hammant,项目名称:JRemoting,代码行数:37,代码来源:BcelStubGenerator.java
示例5: visitINSTANCEOF
import org.apache.bcel.generic.INSTANCEOF; //导入依赖的package包/类
/** Checks if the constraints of operands of the said instruction(s) are satisfied. */
public void visitINSTANCEOF(INSTANCEOF o){
indexValid(o, o.getIndex());
Constant c = cpg.getConstant(o.getIndex());
if (! (c instanceof ConstantClass)){
constraintViolated(o, "Expecting a CONSTANT_Class operand, but found a '"+c+"'.");
}
}
开发者ID:Hu6,项目名称:VestaClient,代码行数:9,代码来源:Pass3aVerifier.java
示例6: prescreen
import org.apache.bcel.generic.INSTANCEOF; //导入依赖的package包/类
public boolean prescreen(ClassContext classContext, Method method) {
BitSet bytecodeSet = classContext.getBytecodeSet(method);
return bytecodeSet != null && (bytecodeSet.get(Constants.CHECKCAST) || bytecodeSet.get(Constants.INSTANCEOF));
}
开发者ID:ytus,项目名称:findbugs-all-the-bugs,代码行数:5,代码来源:FindBadCast2.java
示例7: visitINSTANCEOF
import org.apache.bcel.generic.INSTANCEOF; //导入依赖的package包/类
public void visitINSTANCEOF( INSTANCEOF i ) {
Type type = i.getType(_cp);
_out.println("il.append(new INSTANCEOF(_cp.addClass(" + BCELifier.printType(type) + ")));");
}
开发者ID:Hu6,项目名称:VestaClient,代码行数:5,代码来源:BCELFactory.java
注:本文中的org.apache.bcel.generic.INSTANCEOF类示例整理自Github/MSDocs等源码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。 |
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