本文整理汇总了Java中org.apache.bcel.classfile.LocalVariableTable类的典型用法代码示例。如果您正苦于以下问题:Java LocalVariableTable类的具体用法?Java LocalVariableTable怎么用?Java LocalVariableTable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。
LocalVariableTable类属于org.apache.bcel.classfile包,在下文中一共展示了LocalVariableTable类的15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,您的评价将有助于系统推荐出更棒的Java代码示例。
示例1: getLocalVariableAtPC
import org.apache.bcel.classfile.LocalVariableTable; //导入依赖的package包/类
/**
* returns the local variable at an index int the scope of PC
*
* @param index the variable index
* @param PC the PC where the variable is used
*/
public static LocalVariable getLocalVariableAtPC(LocalVariableTable lvt, int index, int pc) {
int length = lvt.getTableLength();
LocalVariable[] lvs = lvt.getLocalVariableTable();
for(int i = 0; i < length; i++) {
if (lvs[i].getIndex() == index) {
int startPC = lvs[i].getStartPC();
if ((pc >= startPC) && (pc < (startPC + lvs[i].getLength())))
return lvs[i];
}
}
return null;
}
示例2: pushByLocalObjectLoad
import org.apache.bcel.classfile.LocalVariableTable; //导入依赖的package包/类
private void pushByLocalObjectLoad(DismantleBytecode dbc, int register) {
Method m = dbc.getMethod();
LocalVariableTable lvt = m.getLocalVariableTable();
if (lvt != null) {
LocalVariable lv = LVTHelper.getLocalVariableAtPC(lvt, register, dbc.getPC());
if (lv != null) {
String signature = lv.getSignature();
pushByLocalLoad(signature, register);
return;
}
}
pushBySignature("");
}
示例3: visitLocalVariableTable
import org.apache.bcel.classfile.LocalVariableTable; //导入依赖的package包/类
/**
* @see org.apache.bcel.classfile.Visitor
*/
public void visitLocalVariableTable(LocalVariableTable aTable)
{
for (Iterator iter = mVisitors.iterator(); iter.hasNext();) {
IDeepVisitor visitor = (IDeepVisitor) iter.next();
Visitor v = visitor.getClassFileVisitor();
aTable.accept(v);
}
}
示例4: getLocalTable
import org.apache.bcel.classfile.LocalVariableTable; //导入依赖的package包/类
private static LocalVariableTable getLocalTable(Method m) {
LocalVariableTable lt = m.getLocalVariableTable();
if (lt == null) {
System.err.println("Could not get local variable table, did you "
+ "compile with the '-g' option?");
System.exit(1);
}
return lt;
}
示例5: visitLocalVariableTable
import org.apache.bcel.classfile.LocalVariableTable; //导入依赖的package包/类
@Override
public void visitLocalVariableTable(LocalVariableTable obj) {
super.visitLocalVariableTable(obj);
LocalVariable[] local_variable_table = obj.getLocalVariableTable();
for (LocalVariable aLocal_variable_table : local_variable_table)
aLocal_variable_table.accept(this);
}
示例6: getLocalVariableAtPC
import org.apache.bcel.classfile.LocalVariableTable; //导入依赖的package包/类
/**
* returns the local variable at an index int the scope of PC
*
* @param lvt
* the local variable table
* @param index
* the variable index
* @param pc
* the PC where the variable is used
*/
public static LocalVariable getLocalVariableAtPC(@Nonnull LocalVariableTable lvt, int index, int pc) {
int length = lvt.getTableLength();
LocalVariable[] lvs = lvt.getLocalVariableTable();
for (int i = 0; i < length; i++) {
if (lvs[i].getIndex() == index) {
int startPC = lvs[i].getStartPC();
if ((pc >= startPC) && (pc < (startPC + lvs[i].getLength())))
return lvs[i];
}
}
return null;
}
示例7: getLocalVariableAnnotation
import org.apache.bcel.classfile.LocalVariableTable; //导入依赖的package包/类
public static LocalVariableAnnotation getLocalVariableAnnotation(Method method, int local, int position1, int position2) {
LocalVariableTable localVariableTable = method.getLocalVariableTable();
String localName = "?";
if (localVariableTable != null) {
LocalVariable lv1 = localVariableTable.getLocalVariable(local, position1);
if (lv1 == null) {
lv1 = localVariableTable.getLocalVariable(local, position2);
position1 = position2;
}
if (lv1 != null)
localName = lv1.getName();
else
for (LocalVariable lv : localVariableTable.getLocalVariableTable()) {
if (lv.getIndex() == local) {
if (!localName.equals("?") && !localName.equals(lv.getName())) {
// not a single consistent name
localName = "?";
break;
}
localName = lv.getName();
}
}
}
LineNumberTable lineNumbers = method.getLineNumberTable();
if (lineNumbers == null)
return new LocalVariableAnnotation(localName, local, position1);
int line = lineNumbers.getSourceLine(position1);
return new LocalVariableAnnotation(localName, local, position1, line);
}
示例8: checkLocalVariableName
import org.apache.bcel.classfile.LocalVariableTable; //导入依赖的package包/类
/**
* Get the name of given local variable (if possible) and store it in the
* HeuristicPropertySet.
*
* @param lvt
* the LocalVariableTable
* @param local
* index of the local
* @param pc
* program counter value of the instruction
*/
private void checkLocalVariableName(LocalVariableTable lvt, int local, int pc,
WarningPropertySet<DeadLocalStoreProperty> propertySet) {
if (lvt != null) {
LocalVariable lv = lvt.getLocalVariable(local, pc);
if (lv != null) {
String localName = lv.getName();
propertySet.setProperty(DeadLocalStoreProperty.LOCAL_NAME, localName);
}
}
}
示例9: visit
import org.apache.bcel.classfile.LocalVariableTable; //导入依赖的package包/类
@Override
public void visit(Code obj) {
if (!getMethod().isPublic() && !getMethod().isProtected())
return;
SignatureParser p = new SignatureParser(getMethodSig());
LocalVariableTable t = obj.getLocalVariableTable();
if (t == null)
return;
ParameterProperty property = new ParameterProperty();
int index = getMethod().isStatic() ? 0 : 1;
int parameterNumber = 0;
for (Iterator<String> i = p.parameterSignatureIterator(); i.hasNext();) {
String s = i.next();
LocalVariable localVariable = t.getLocalVariable(index, 0);
if (localVariable != null) {
String name = localVariable.getName();
if (s.equals("J") && (name.toLowerCase().indexOf("instant") >= 0 || name.startsWith("date"))) {
// System.out.println(getFullyQualifiedMethodName() + " " + s + " " + index + " " + name);
property.setParamWithProperty(parameterNumber, true);
}
}
if (s.equals("J") || s.equals("D"))
index += 2;
else
index += 1;
parameterNumber++;
}
if (!property.isEmpty()) {
// System.out.println(getFullyQualifiedMethodName() + " " + property);
database.setProperty(getMethodDescriptor(), property);
}
}
示例10: visit
import org.apache.bcel.classfile.LocalVariableTable; //导入依赖的package包/类
@Override
public void visit(LocalVariableTable obj) {
if (ENABLE_LOCALS) {
if (staticMethod)
return;
LocalVariable[] vars = obj.getLocalVariableTable();
// System.out.println("Num params = " + numParms);
for (LocalVariable var : vars) {
if (var.getIndex() < numParms)
continue;
String varName = var.getName();
if (varName.equals("serialVersionUID"))
continue;
Field f = classFields.get(varName);
// System.out.println("Checking " + varName);
// System.out.println(" got " + f);
// TODO: we could distinguish between obscuring a field in the
// same class
// vs. obscuring a field in a superclass. Not sure how important
// that is.
if (f != null) {
FieldAnnotation fa = FieldAnnotation.fromBCELField(getDottedClassName(), f);
if (true || var.getStartPC() > 0)
bugReporter.reportBug(new BugInstance(this, "MF_METHOD_MASKS_FIELD", LOW_PRIORITY)
.addClassAndMethod(this).addField(fa).addSourceLine(this, var.getStartPC() - 1));
}
}
}
super.visit(obj);
}
示例11: pushByLocalObjectLoad
import org.apache.bcel.classfile.LocalVariableTable; //导入依赖的package包/类
private void pushByLocalObjectLoad(DismantleBytecode dbc, int register) {
Method m = dbc.getMethod();
LocalVariableTable lvt = m.getLocalVariableTable();
if (lvt != null) {
LocalVariable lv = LVTHelper.getLocalVariableAtPC(lvt, register, dbc.getPC());
if (lv != null) {
String signature = lv.getSignature();
pushByLocalLoad(signature, register);
return;
}
}
pushByLocalLoad("Ljava/lang/Object;", register);
}
示例12: checkLocalVariableName
import org.apache.bcel.classfile.LocalVariableTable; //导入依赖的package包/类
/**
* Get the name of given local variable (if possible) and store it in the
* HeuristicPropertySet.
*
* @param lvt
* the LocalVariableTable
* @param local
* index of the local
* @param pc
* program counter value of the instruction
*/
private void checkLocalVariableName(LocalVariableTable lvt, int local, int pc,
WarningPropertySet<DeadLocalStoreProperty> propertySet) {
if (lvt != null) {
LocalVariable lv = lvt.getLocalVariable(local, pc);
if (lv != null) {
String localName = lv.getName();
propertySet.setProperty(DeadLocalStoreProperty.LOCAL_NAME, localName);
}
}
}
示例13: getLocalVariableTable
import org.apache.bcel.classfile.LocalVariableTable; //导入依赖的package包/类
/**
* @return `LocalVariableTable' attribute of all the local variables of this method.
*/
public LocalVariableTable getLocalVariableTable( ConstantPoolGen cp ) {
LocalVariableGen[] lg = getLocalVariables();
int size = lg.length;
LocalVariable[] lv = new LocalVariable[size];
for (int i = 0; i < size; i++) {
lv[i] = lg[i].getLocalVariable(cp);
}
return new LocalVariableTable(cp.addUtf8("LocalVariableTable"), 2 + lv.length * 10, lv, cp
.getConstantPool());
}
示例14: visit
import org.apache.bcel.classfile.LocalVariableTable; //导入依赖的package包/类
public void visit(LocalVariableTable obj) {
visit((Attribute) obj);
}
示例15: visitLocalVariableTable
import org.apache.bcel.classfile.LocalVariableTable; //导入依赖的package包/类
public void visitLocalVariableTable(LocalVariableTable obj) {
visit(obj);
}