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package sun.jvm.hotspot.debugger.cdbg.basic;

import sun.jvm.hotspot.debugger.*;
import sun.jvm.hotspot.debugger.cdbg.*;

Basic implementation of the CFrame interface providing some of the functionality in a platform-independent manner.
/** Basic implementation of the CFrame interface providing some of the functionality in a platform-independent manner. */
public abstract class BasicCFrame implements CFrame { private CDebugger dbg; protected BasicCFrame(CDebugger dbg) { this.dbg = dbg; } protected CDebugger dbg() { return dbg; } public LoadObject loadObjectForPC() { return dbg.loadObjectContainingPC(pc()); } public BlockSym blockForPC() { LoadObject lo = loadObjectForPC(); if (lo == null) { return null; } return lo.debugInfoForPC(pc()); } public ClosestSymbol closestSymbolToPC() { LoadObject lo = loadObjectForPC(); if (lo == null) { return null; } return lo.closestSymbolToPC(pc()); } public void iterateLocals(ObjectVisitor v) { BlockSym block = blockForPC(); while (block != null) { for (int i = 0; i < block.getNumLocals(); i++) { final LocalSym local = block.getLocal(i); Type t = local.getType(); // t should not be null, but be robust in case of bugs in // debug info if (t != null) { t.iterateObject(localVariableBase().addOffsetTo(local.getFrameOffset()), v, new NamedFieldIdentifier() { public Type getType() { return local.getType(); } public String getName() { return local.getName(); } public String toString() { return getName(); } }); } } block = block.getParent(); } } }