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Bug 240507

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minor changes to the Expression Service to support multi-process.  These changes should have been done from the start and are backwards compatible.
This commit is contained in:
Marc Khouzam 2008-07-11 18:27:51 +00:00
parent 2100733244
commit 635936b6ea
1 changed files with 10 additions and 28 deletions
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38
plugins/org.eclipse.dd.mi/src/org/eclipse/dd/mi/service/ExpressionService.java
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@ -31,8 +31,8 @@ import org.eclipse.dd.dsf.debug.service.IExpressions;
import org.eclipse.dd.dsf.debug.service.IFormattedValues;
import org.eclipse.dd.dsf.debug.service.IRunControl;
import org.eclipse.dd.dsf.debug.service.IMemory.IMemoryChangedEvent;
import org.eclipse.dd.dsf.debug.service.IMemory.IMemoryDMContext;
import org.eclipse.dd.dsf.debug.service.IRegisters.IRegisterDMContext;
import org.eclipse.dd.dsf.debug.service.IRunControl.IExecutionDMContext;
import org.eclipse.dd.dsf.debug.service.IRunControl.StateChangeReason;
import org.eclipse.dd.dsf.debug.service.IStack.IFrameDMContext;
import org.eclipse.dd.dsf.debug.service.command.CommandCache;
@ -138,29 +138,13 @@ public class ExpressionService extends AbstractDsfService implements IExpression
* @param relExpr
* The relative expression if this expression was created as a child
* @param execCtx
* The parent thread context for this ExpressionDMC.
* The parent execution context for this ExpressionDMC.
* It could be a thread, a process, a processor, etc
*/
public MIExpressionDMC(String sessionId, String expression, String relExpr, IMIExecutionDMContext execCtx) {
public MIExpressionDMC(String sessionId, String expression, String relExpr, IExecutionDMContext execCtx) {
this(sessionId, expression, relExpr, (IDMContext)execCtx);
}
/**
* ExpressionDMC Constructor for expression to be evaluated in context of
* a memory space.
*
* @param sessionId
* The session ID in which this context is created.
* @param expression
* The expression to be described by this ExpressionDMC
* @param relExpr
* The relative expression if this expression was created as a child
* @param memoryCtx
* The parent memory space context for this ExpressionDMC.
*/
public MIExpressionDMC(String sessionId, String expression, String relExpr, IMemoryDMContext memoryCtx) {
this(sessionId, expression, relExpr, (IDMContext)memoryCtx);
}
private MIExpressionDMC(String sessionId, String expr, String relExpr, IDMContext parent) {
super(sessionId, new IDMContext[] { parent });
exprInfo = new ExpressionInfo(expr, relExpr);
@ -494,20 +478,18 @@ public class ExpressionService extends AbstractDsfService implements IExpression
* Create an expression context.
*/
public IExpressionDMContext createExpression(IDMContext ctx, String expression, String relExpr) {
IFrameDMContext frameDmc = DMContexts.getAncestorOfType(ctx, IFrameDMContext.class);
// First, try to find a frame context to which this expression will apply
IFrameDMContext frameDmc = DMContexts.getAncestorOfType(ctx, IFrameDMContext.class);
if (frameDmc != null) {
return new MIExpressionDMC(getSession().getId(), expression, relExpr, frameDmc);
}
IMIExecutionDMContext execCtx = DMContexts.getAncestorOfType(ctx, IMIExecutionDMContext.class);
// If there is not frame, we look for the first execution context.
// It could be a thread, a process, a core, etc
IExecutionDMContext execCtx = DMContexts.getAncestorOfType(ctx, IExecutionDMContext.class);
if (execCtx != null) {
return new MIExpressionDMC(getSession().getId(), expression, relExpr, execCtx);
}
IMemoryDMContext memoryCtx = DMContexts.getAncestorOfType(ctx, IMemoryDMContext.class);
if (memoryCtx != null) {
return new MIExpressionDMC(getSession().getId(), expression, relExpr, memoryCtx);
}
}
// Don't care about the relative expression at this point
return new InvalidContextExpressionDMC(getSession().getId(), expression, ctx);