本文整理汇总了Java中org.objectweb.asm.tree.analysis.Frame.getLocals方法的典型用法代码示例。如果您正苦于以下问题：Java Frame.getLocals方法的具体用法？Java Frame.getLocals怎么用？Java Frame.getLocals使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类org.objectweb.asm.tree.analysis.Frame的用法示例。
在下文中一共展示了Frame.getLocals方法的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，您的评价将有助于系统推荐出更棒的Java代码示例。
示例1: printAnalyzerResult
import org.objectweb.asm.tree.analysis.Frame; //导入方法依赖的package包/类
static void printAnalyzerResult(MethodNode method, Analyzer<BasicValue> a,
final PrintWriter pw) {
Frame<BasicValue>[] frames = a.getFrames();
Textifier t = new Textifier();
TraceMethodVisitor mv = new TraceMethodVisitor(t);
pw.println(method.name + method.desc);
for (int j = 0; j < method.instructions.size(); ++j) {
method.instructions.get(j).accept(mv);
StringBuilder sb = new StringBuilder();
Frame<BasicValue> f = frames[j];
if (f == null) {
sb.append('?');
} else {
for (int k = 0; k < f.getLocals(); ++k) {
sb.append(getShortName(f.getLocal(k).toString()))
.append(' ');
}
sb.append(" : ");
for (int k = 0; k < f.getStackSize(); ++k) {
sb.append(getShortName(f.getStack(k).toString()))
.append(' ');
}
}
while (sb.length() < method.maxStack + method.maxLocals + 1) {
sb.append(' ');
}
pw.print(Integer.toString(j + 100000).substring(1));
pw.print(" " + sb + " : " + t.text.get(t.text.size() - 1));
}
for (int j = 0; j < method.tryCatchBlocks.size(); ++j) {
method.tryCatchBlocks.get(j).accept(mv);
pw.print(" " + t.text.get(t.text.size() - 1));
}
pw.println();
}
示例2: printAnalyzerResult
import org.objectweb.asm.tree.analysis.Frame; //导入方法依赖的package包/类
static void printAnalyzerResult(MethodNode method, Analyzer<BasicValue> a,
final PrintWriter pw) {
Frame<BasicValue>[] frames = a.getFrames();
Textifier t = new Textifier();
TraceMethodVisitor mv = new TraceMethodVisitor(t);
pw.println(method.name + method.desc);
for (int j = 0; j < method.instructions.size(); ++j) {
method.instructions.get(j).accept(mv);
StringBuffer s = new StringBuffer();
Frame<BasicValue> f = frames[j];
if (f == null) {
s.append('?');
} else {
for (int k = 0; k < f.getLocals(); ++k) {
s.append(getShortName(f.getLocal(k).toString()))
.append(' ');
}
s.append(" : ");
for (int k = 0; k < f.getStackSize(); ++k) {
s.append(getShortName(f.getStack(k).toString()))
.append(' ');
}
}
while (s.length() < method.maxStack + method.maxLocals + 1) {
s.append(' ');
}
pw.print(Integer.toString(j + 100000).substring(1));
pw.print(" " + s + " : " + t.text.get(t.text.size() - 1));
}
for (int j = 0; j < method.tryCatchBlocks.size(); ++j) {
method.tryCatchBlocks.get(j).accept(mv);
pw.print(" " + t.text.get(t.text.size() - 1));
}
pw.println();
}
示例3: printMethod
import org.objectweb.asm.tree.analysis.Frame; //导入方法依赖的package包/类
private static void printMethod(final Analyzer a, final PrintStream out, final MethodNode method) {
final Frame[] frames = a.getFrames();
final Textifier textifier = new Textifier();
final TraceMethodVisitor mv = new TraceMethodVisitor(textifier);
out.println(method.name + method.desc);
for (int j = 0; j < method.instructions.size(); ++j) {
method.instructions.get(j).accept(mv);
final StringBuffer s = new StringBuffer();
final Frame f = frames[j];
if (f == null) {
s.append('?');
} else {
for (int k = 0; k < f.getLocals(); ++k) {
s.append(getShortName(f.getLocal(k).toString())).append(' ');
}
s.append(" : ");
for (int k = 0; k < f.getStackSize(); ++k) {
s.append(getShortName(f.getStack(k).toString())).append(' ');
}
}
while (s.length() < method.maxStack + method.maxLocals + 1) {
s.append(' ');
}
out.print(Integer.toString(j + 100000).substring(1));
out.print(" " + s + " : " + textifier.text.get(j));
}
for (int j = 0; j < method.tryCatchBlocks.size(); ++j) {
((TryCatchBlockNode) method.tryCatchBlocks.get(j)).accept(mv);
out.print(" " + textifier.text.get(method.instructions.size()+j));
}
out.println(" MAXSTACK " + method.maxStack);
out.println(" MAXLOCALS " + method.maxLocals);
out.println();
}
示例4: printAnalyzerResult
import org.objectweb.asm.tree.analysis.Frame; //导入方法依赖的package包/类
static void printAnalyzerResult(
MethodNode method,
Analyzer<BasicValue> a,
final PrintWriter pw)
{
Frame<BasicValue>[] frames = a.getFrames();
Textifier t = new Textifier();
TraceMethodVisitor mv = new TraceMethodVisitor(t);
pw.println(method.name + method.desc);
for (int j = 0; j < method.instructions.size(); ++j) {
method.instructions.get(j).accept(mv);
StringBuffer s = new StringBuffer();
Frame<BasicValue> f = frames[j];
if (f == null) {
s.append('?');
} else {
for (int k = 0; k < f.getLocals(); ++k) {
s.append(getShortName(f.getLocal(k).toString()))
.append(' ');
}
s.append(" : ");
for (int k = 0; k < f.getStackSize(); ++k) {
s.append(getShortName(f.getStack(k).toString()))
.append(' ');
}
}
while (s.length() < method.maxStack + method.maxLocals + 1) {
s.append(' ');
}
pw.print(Integer.toString(j + 100000).substring(1));
pw.print(" " + s + " : " + t.text.get(t.text.size() - 1));
}
for (int j = 0; j < method.tryCatchBlocks.size(); ++j) {
method.tryCatchBlocks.get(j).accept(mv);
pw.print(" " + t.text.get(t.text.size() - 1));
}
pw.println();
}
示例5: verify
import org.objectweb.asm.tree.analysis.Frame; //导入方法依赖的package包/类
/**
* Checks a given class
*
* @param cr a <code>ClassReader</code> that contains bytecode for the analysis.
* @param dump true if bytecode should be printed out not only when errors are found.
* @param pw write where results going to be printed
*/
public static void verify(ClassReader cr, boolean dump, PrintWriter pw) {
ClassNode cn = new ClassNode();
cr.accept(new CheckClassAdapter(cn), true);
List methods = cn.methods;
for (int i = 0; i < methods.size(); ++i) {
MethodNode method = (MethodNode) methods.get(i);
if (method.instructions.size() > 0) {
Analyzer a = new Analyzer(new SimpleVerifier(Type.getType("L"
+ cn.name + ";"),
Type.getType("L" + cn.superName + ";"),
(cn.access & Opcodes.ACC_INTERFACE) != 0));
try {
a.analyze(cn.name, method);
if (!dump) {
continue;
}
} catch (Exception e) {
e.printStackTrace();
}
Frame[] frames = a.getFrames();
TraceMethodVisitor mv = new TraceMethodVisitor();
pw.println(method.name + method.desc);
for (int j = 0; j < method.instructions.size(); ++j) {
((AbstractInsnNode) method.instructions.get(j)).accept(mv);
StringBuffer s = new StringBuffer();
Frame f = frames[j];
if (f == null) {
s.append('?');
} else {
for (int k = 0; k < f.getLocals(); ++k) {
s.append(getShortName(f.getLocal(k).toString()))
.append(' ');
}
s.append(" : ");
for (int k = 0; k < f.getStackSize(); ++k) {
s.append(getShortName(f.getStack(k).toString()))
.append(' ');
}
}
while (s.length() < method.maxStack + method.maxLocals + 1)
{
s.append(' ');
}
pw.print(Integer.toString(j + 100000).substring(1));
pw.print(" " + s + " : " + mv.buf); // mv.text.get(j));
}
for (int j = 0; j < method.tryCatchBlocks.size(); ++j) {
((TryCatchBlockNode) method.tryCatchBlocks.get(j)).accept(mv);
pw.print(" " + mv.buf);
}
pw.println();
}
}
}
示例6: verify
import org.objectweb.asm.tree.analysis.Frame; //导入方法依赖的package包/类
/**
* Checks a given class
*
* @param cr a <code>ClassReader</code> that contains bytecode for the analysis.
* @param dump true if bytecode should be printed out not only when errors are found.
* @param pw write where results going to be printed
*/
public static void verify(ClassReader cr, boolean dump, PrintWriter pw) {
ClassNode cn = new ClassNode();
cr.accept(new CheckClassAdapter(cn), true);
List methods = cn.methods;
for (int i = 0; i < methods.size(); ++i) {
MethodNode method = (MethodNode) methods.get(i);
if (method.instructions.size() > 0) {
Analyzer a = new Analyzer(new SimpleVerifier(Type.getType("L"
+ cn.name + ";"),
Type.getType("L" + cn.superName + ";"),
(cn.access & Opcodes.ACC_INTERFACE) != 0));
try {
a.analyze(cn.name, method);
if (!dump) {
continue;
}
} catch (Exception e) {
e.printStackTrace();
}
Frame[] frames = a.getFrames();
TraceMethodVisitor mv = new TraceMethodVisitor();
pw.println(method.name + method.desc);
for (int j = 0; j < method.instructions.size(); ++j) {
((AbstractInsnNode) method.instructions.get(j)).accept(mv);
StringBuffer s = new StringBuffer();
Frame f = frames[j];
if (f == null) {
s.append('?');
} else {
for (int k = 0; k < f.getLocals(); ++k) {
s.append(getShortName(f.getLocal(k).toString()))
.append(' ');
}
s.append(" : ");
for (int k = 0; k < f.getStackSize(); ++k) {
s.append(getShortName(f.getStack(k).toString()))
.append(' ');
}
}
while (s.length() < method.maxStack + method.maxLocals + 1)
{
s.append(' ');
}
pw.print(Integer.toString(j + 100000).substring(1));
pw.print(" " + s + " : " + mv.buf); // mv.text.get(j));
}
for (int j = 0; j < method.tryCatchBlocks.size(); ++j) {
((TryCatchBlockNode) method.tryCatchBlocks.get(j)).accept(mv);
pw.print(" " + mv.buf);
}
pw.println();
}
}
}
示例7: computeSizes
import org.objectweb.asm.tree.analysis.Frame; //导入方法依赖的package包/类
/**
* Compute sizes required for the storage arrays that will contain the local variables table at this frame.
* @param frame frame to compute for
* @return size required by each storage array
* @throws NullPointerException if any argument is {@code null}
*/
public static StorageSizes computeSizes(Frame<BasicValue> frame) {
Validate.notNull(frame);
// Count size required for each storage array
int intsSize = 0;
int longsSize = 0;
int floatsSize = 0;
int doublesSize = 0;
int objectsSize = 0;
for (int i = 0; i < frame.getLocals(); i++) {
BasicValue basicValue = frame.getLocal(i);
Type type = basicValue.getType();
// If type == null, basicValue is pointing to uninitialized var -- basicValue.toString() will return '.'. This means that this
// slot contains nothing to save. So, skip this slot if we encounter it.
if (type == null) {
continue;
}
// If type is 'Lnull;', this means that the slot has been assigned null and that "there has been no merge yet that would 'raise'
// the type toward some class or interface type" (from ASM mailing list). We know this slot will always contain null at this
// point in the code so we can avoid saving it. When we load it back up, we can simply push a null in to that slot, thereby
// keeping the same 'Lnull;' type.
if ("Lnull;".equals(type.getDescriptor())) {
continue;
}
switch (type.getSort()) {
case Type.BOOLEAN:
case Type.BYTE:
case Type.SHORT:
case Type.CHAR:
case Type.INT:
intsSize++;
break;
case Type.FLOAT:
floatsSize++;
break;
case Type.LONG:
longsSize++;
break;
case Type.DOUBLE:
doublesSize++;
break;
case Type.ARRAY:
case Type.OBJECT:
objectsSize++;
break;
case Type.METHOD:
case Type.VOID:
default:
throw new IllegalStateException();
}
}
return new StorageSizes(intsSize, longsSize, floatsSize, doublesSize, objectsSize);
}