本文整理汇总了Java中org.apache.bcel.generic.LocalVariableInstruction类的典型用法代码示例。如果您正苦于以下问题：Java LocalVariableInstruction类的具体用法？Java LocalVariableInstruction怎么用？Java LocalVariableInstruction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。
LocalVariableInstruction类属于org.apache.bcel.generic包，在下文中一共展示了LocalVariableInstruction类的13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: rewriteLocal
import org.apache.bcel.generic.LocalVariableInstruction; //导入依赖的package包/类
void rewriteLocal(InstructionHandle fromH, InstructionHandle toH,
int oldindex, int newindex) {
InstructionHandle h = fromH;
if (h.getPrev() != null) {
h = h.getPrev();
// This instruction should contain the store.
}
while (h != null && h != toH) {
Instruction ins = h.getInstruction();
if (ins instanceof LocalVariableInstruction) {
LocalVariableInstruction lins = (LocalVariableInstruction) ins;
if (lins.getIndex() == oldindex) {
lins.setIndex(newindex);
}
}
h = h.getNext();
}
}
开发者ID:pieterhijma，项目名称:cashmere，代码行数:20，代码来源:MethodTable.java
示例2: getLocal
import org.apache.bcel.generic.LocalVariableInstruction; //导入依赖的package包/类
final LocalVariableGen getLocal(MethodGen m, LocalVariableInstruction curr,
int pos) {
int localNr = curr.getIndex();
LocalVariableGen[] lt = getLocalTable(m);
for (int i = 0; i < lt.length; i++) {
// Watch out. The first initialization seems not to be included in
// the range given in the local variable table!
if (localNr == lt[i].getIndex()) {
// System.err.println("Looking for local " + localNr
// + " on position " + pos);
// System.err.println("found one with range "
// + lt[i].getStart().getPrev().getPosition() + ", "
// + lt[i].getEnd().getPosition());
if (pos >= lt[i].getStart().getPrev().getPosition()
&& pos < (lt[i].getEnd().getPosition())) {
return lt[i];
}
}
}
return null;
}
开发者ID:pieterhijma，项目名称:cashmere，代码行数:26，代码来源:MethodTable.java
示例3: rewriteStore
import org.apache.bcel.generic.LocalVariableInstruction; //导入依赖的package包/类
InstructionHandle rewriteStore(MethodGen m, InstructionList il,
InstructionHandle i, int maxLocals, String localClassName) {
LocalVariableInstruction curr = (LocalVariableInstruction) (i
.getInstruction());
Type type = mtab.getLocalType(m, curr, i.getPosition());
if (type == null) {
return i;
}
String name = mtab.getLocalName(m, curr, i.getPosition());
String fieldName = MethodTable.generatedLocalName(type, name);
i.setInstruction(new ALOAD(maxLocals));
i = i.getNext();
if (type.equals(Type.LONG) || type.equals(Type.DOUBLE)) {
il.insert(i, new DUP_X2());
il.insert(i, new POP());
} else {
il.insert(i, new SWAP());
}
i = il.insert(i, ins_f.createFieldAccess(localClassName, fieldName,
type, Constants.PUTFIELD));
return i;
}
开发者ID:pieterhijma，项目名称:cashmere，代码行数:26，代码来源:Cashmerec.java
示例4: rewriteLoad
import org.apache.bcel.generic.LocalVariableInstruction; //导入依赖的package包/类
InstructionHandle rewriteLoad(MethodGen m, InstructionList il,
InstructionHandle i, int maxLocals, String localClassName) {
LocalVariableInstruction curr = (LocalVariableInstruction) (i
.getInstruction());
Type type = mtab.getLocalType(m, curr, i.getPosition());
if (type == null) {
return i;
}
String name = mtab.getLocalName(m, curr, i.getPosition());
String fieldName = MethodTable.generatedLocalName(type, name);
i.setInstruction(new ALOAD(maxLocals));
i = i.getNext();
i = il.insert(i, ins_f.createFieldAccess(localClassName, fieldName,
type, Constants.GETFIELD));
return i;
}
开发者ID:pieterhijma，项目名称:cashmere，代码行数:19，代码来源:Cashmerec.java
示例5: getLocalName
import org.apache.bcel.generic.LocalVariableInstruction; //导入依赖的package包/类
String getLocalName(MethodGen m, LocalVariableInstruction curr, int pos) {
LocalVariableGen a = getLocal(m, curr, pos);
if (a == null) {
return null;
}
return a.getName();
}
开发者ID:pieterhijma，项目名称:cashmere，代码行数:10，代码来源:MethodTable.java
示例6: getLocalType
import org.apache.bcel.generic.LocalVariableInstruction; //导入依赖的package包/类
Type getLocalType(MethodGen m, LocalVariableInstruction curr, int pos) {
LocalVariableGen a = getLocal(m, curr, pos);
if (a == null) {
return null;
}
return a.getType();
}
开发者ID:pieterhijma，项目名称:cashmere，代码行数:10，代码来源:MethodTable.java
示例7: removeUnusedLocals
import org.apache.bcel.generic.LocalVariableInstruction; //导入依赖的package包/类
void removeUnusedLocals(Method mOrig, MethodGen m) {
InstructionList il = m.getInstructionList();
InstructionHandle[] ins = il.getInstructionHandles();
for (int i = 0; i < ins.length; i++) {
Instruction in = ins[i].getInstruction();
if (in instanceof LocalVariableInstruction) {
LocalVariableInstruction curr = (LocalVariableInstruction) in;
if (mtab.getLocal(m, curr, ins[i].getPosition()) != null
&& curr.getIndex() < m.getMaxLocals() - 5
&& !mtab.isLocalUsedInInlet(mOrig, curr.getIndex())) {
if (curr instanceof IINC) {
ins[i].setInstruction(new NOP());
} else if (curr instanceof LSTORE || curr instanceof DSTORE) {
ins[i].setInstruction(new POP2());
} else if (curr instanceof StoreInstruction) {
ins[i].setInstruction(new POP());
} else if (curr instanceof ALOAD) {
ins[i].setInstruction(new ACONST_NULL());
} else if (curr instanceof FLOAD) {
ins[i].setInstruction(new FCONST((float) 0.0));
} else if (curr instanceof ILOAD) {
ins[i].setInstruction(new ICONST(0));
} else if (curr instanceof DLOAD) {
ins[i].setInstruction(new DCONST(0.0));
} else if (curr instanceof LLOAD) {
ins[i].setInstruction(new LCONST(0L));
} else {
System.out.println("unhandled ins in "
+ "removeUnusedLocals: " + curr);
System.exit(1);
}
}
}
}
}
开发者ID:pieterhijma，项目名称:cashmere，代码行数:37，代码来源:Cashmerec.java
示例8: shiftLocals
import org.apache.bcel.generic.LocalVariableInstruction; //导入依赖的package包/类
void shiftLocals(InstructionList il, int shift) {
InstructionHandle[] ih = il.getInstructionHandles();
for (int i = 0; i < ih.length; i++) {
Instruction ins = ih[i].getInstruction();
if (ins instanceof LocalVariableInstruction) {
LocalVariableInstruction l = (LocalVariableInstruction) ins;
l.setIndex(l.getIndex() + shift);
}
}
}
开发者ID:pieterhijma，项目名称:cashmere，代码行数:12，代码来源:Cashmerec.java
示例9: emitLocalVariableInstruction
import org.apache.bcel.generic.LocalVariableInstruction; //导入依赖的package包/类
private void emitLocalVariableInstruction(Element xml_inst,
LocalVariableInstruction inst) {
Type type = inst.getType(cpg);
xml_inst.setAttribute("type", type.toString());
xml_inst.setAttribute("index", java.lang.String.valueOf(inst.getIndex()));
String op = inst.toString();
int i;
for (i = 0; i < op.length(); i++) {
char ch = op.toUpperCase().charAt(i);
if (ch < 'A' || ch > 'Z')
break;
}
op = op.substring(0, i);
xml_inst.setName(op);
}
开发者ID:shannah，项目名称:cn1，代码行数:16，代码来源:ClassToXmlvmProcess.java
示例10: registerInstructionSources
import org.apache.bcel.generic.LocalVariableInstruction; //导入依赖的package包/类
private void registerInstructionSources() throws DataflowAnalysisException {
for (Iterator<Location> i = cfg.locationIterator(); i.hasNext();) {
Location location = i.next();
Instruction instruction = location.getHandle().getInstruction();
short opcode = instruction.getOpcode();
int produces = instruction.produceStack(cpg);
if (instruction instanceof InvokeInstruction) {
// Model return value
registerReturnValueSource(location);
} else if (opcode == Constants.GETFIELD || opcode == Constants.GETSTATIC) {
// Model field loads
registerFieldLoadSource(location);
} else if (instruction instanceof LDC) {
// Model constant values
registerLDCValueSource(location);
} else if (instruction instanceof LDC2_W) {
// Model constant values
registerLDC2ValueSource(location);
} else if (instruction instanceof ConstantPushInstruction) {
// Model constant values
registerConstantPushSource(location);
} else if (instruction instanceof ACONST_NULL) {
// Model constant values
registerPushNullSource(location);
} else if ((produces == 1 || produces == 2) && !(instruction instanceof LocalVariableInstruction) && !(instruction instanceof CHECKCAST)){
// Model other sources
registerOtherSource(location);
}
}
}
开发者ID:ytus，项目名称:findbugs-all-the-bugs，代码行数:32，代码来源:ForwardTypeQualifierDataflowAnalysis.java
示例11: getAccessedLocalsIndices
import org.apache.bcel.generic.LocalVariableInstruction; //导入依赖的package包/类
public int[] getAccessedLocalsIndices(){
//TODO: Implement caching.
Set acc = new HashSet();
if (theRET == null && this != TOPLEVEL){
throw new AssertionViolatedException("This subroutine object must be built up completely before calculating accessed locals.");
}
Iterator i = instructions.iterator();
while (i.hasNext()){
InstructionHandle ih = (InstructionHandle) i.next();
// RET is not a LocalVariableInstruction in the current version of BCEL.
if (ih.getInstruction() instanceof LocalVariableInstruction || ih.getInstruction() instanceof RET){
int idx = ((IndexedInstruction) (ih.getInstruction())).getIndex();
acc.add(new Integer(idx));
// LONG? DOUBLE?.
try{
// LocalVariableInstruction instances are typed without the need to look into
// the constant pool.
if (ih.getInstruction() instanceof LocalVariableInstruction){
int s = ((LocalVariableInstruction) ih.getInstruction()).getType(null).getSize();
if (s==2) {
acc.add(new Integer(idx+1));
}
}
}
catch(RuntimeException re){
throw new AssertionViolatedException("Oops. BCEL did not like NULL as a ConstantPoolGen object.");
}
}
}
int[] ret = new int[acc.size()];
i = acc.iterator();
int j=-1;
while (i.hasNext()){
j++;
ret[j] = ((Integer) i.next()).intValue();
}
return ret;
}
开发者ID:Hu6，项目名称:VestaClient，代码行数:40，代码来源:Subroutines.java
示例12: visitLocalVariableInstruction
import org.apache.bcel.generic.LocalVariableInstruction; //导入依赖的package包/类
public void visitLocalVariableInstruction( LocalVariableInstruction i ) {
short opcode = i.getOpcode();
Type type = i.getType(_cp);
if (opcode == Constants.IINC) {
_out.println("il.append(new IINC(" + i.getIndex() + ", " + ((IINC) i).getIncrement()
+ "));");
} else {
String kind = (opcode < Constants.ISTORE) ? "Load" : "Store";
_out.println("il.append(_factory.create" + kind + "(" + BCELifier.printType(type)
+ ", " + i.getIndex() + "));");
}
}
开发者ID:Hu6，项目名称:VestaClient，代码行数:13，代码来源:BCELFactory.java
示例13: getAccessedLocalsIndices
import org.apache.bcel.generic.LocalVariableInstruction; //导入依赖的package包/类
public int[] getAccessedLocalsIndices(){
//TODO: Implement caching.
final Set<Integer> acc = new HashSet<Integer>();
if (theRET == null && this != TOPLEVEL){
throw new AssertionViolatedException("This subroutine object must be built up completely before calculating accessed locals.");
}
for (final InstructionHandle ih : instructions) {
// RET is not a LocalVariableInstruction in the current version of BCEL.
if (ih.getInstruction() instanceof LocalVariableInstruction || ih.getInstruction() instanceof RET){
int idx = IndexedInstruction.class.cast(ih.getInstruction()).getIndex();
acc.add(idx);
// LONG? DOUBLE?.
try {
// LocalVariableInstruction instances are typed without the need to look into
// the constant pool.
if (ih.getInstruction() instanceof LocalVariableInstruction) {
int s = LocalVariableInstruction.class.cast(ih.getInstruction()).getType(null).getSize();
if (s == 2) acc.add(idx + 1);
}
} catch(final RuntimeException re) {
throw new AssertionViolatedException("Oops. BCEL did not like NULL as a ConstantPoolGen object.");
}
}
}
int[] ret = new int[acc.size()];
int j = 0;
for (final int v : acc) {
ret[j++] = v;
}
return ret;
}
开发者ID:jesusc，项目名称:eclectic，代码行数:33，代码来源:Subroutines.java
注：本文中的org.apache.bcel.generic.LocalVariableInstruction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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