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Bug 240556

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If no frame context is provided in an expression, but an execution (thread) is present, then we define the expression to belong to the top-most frame of that thread.
This commit is contained in:
Marc Khouzam 2008-07-16 19:46:15 +00:00
parent 963ba7e067
commit 255b92bfbd
2 changed files with 36 additions and 2 deletions
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11
plugins/org.eclipse.dd.mi/src/org/eclipse/dd/mi/service/ExpressionService.java
View file

@ -501,7 +501,16 @@ public class ExpressionService extends AbstractDsfService implements IExpression
IMIExecutionDMContext execCtx = DMContexts.getAncestorOfType(ctx, IMIExecutionDMContext.class);
if (execCtx != null) {
return new MIExpressionDMC(getSession().getId(), expression, relExpr, execCtx);
// If we have a thread context but not a frame context, we give the user
// the expression as per the top-most frame of the specified thread.
// To do this, we create our own frame context.
MIStack stackService = getServicesTracker().getService(MIStack.class);
if (stackService != null) {
frameDmc = stackService.createFrameDMContext(execCtx, 0);
return new MIExpressionDMC(getSession().getId(), expression, relExpr, frameDmc);
}
return new InvalidContextExpressionDMC(getSession().getId(), expression, execCtx);
}
IMemoryDMContext memoryCtx = DMContexts.getAncestorOfType(ctx, IMemoryDMContext.class);

27
plugins/org.eclipse.dd.tests.gdb/src/org/eclipse/dd/tests/gdb/ExpressionServiceTest.java
View file

@ -1161,7 +1161,7 @@ public class ExpressionServiceTest extends BaseTestCase {
*
* @return void
*/
// @Test
@Test
public void testGlobalVariables() throws Throwable {
// Step to a stack level of 2 to be able to test differen stack frames
@ -1259,6 +1259,31 @@ public class ExpressionServiceTest extends BaseTestCase {
executeExpressionSubTests(tests, frameDmc);
}
/**
* This test makes sure that if a request for expression values are made with
* a thread selected, the top-most stack frame is used for evaluation
*/
@Test
public void testThreadContext() throws Throwable {
// Step to a stack level of 2 to be able to test differen stack frames
SyncUtil.SyncRunToLocation("locals2");
MIStoppedEvent stoppedEvent = SyncUtil.SyncStep(StepType.STEP_OVER);
// Create a map of expressions to expected values.
Map<String, String[]> tests = new HashMap<String, String[]>();
// First make sure we have a different value on the other stack frame and that we select
// a frame that is not the top frame
tests.put("lIntVar", new String[] { "0x3039", "030071", "11000000111001", "12345", "12345" });
executeExpressionSubTests(tests, SyncUtil.SyncGetStackFrame(stoppedEvent.getDMContext(), 1));
// Now check that we get the same values as the top stack when selecting the thread only
tests = new HashMap<String, String[]>();
tests.put("lIntVar", new String[] { "0x1a85", "015205", "1101010000101", "6789", "6789" });
executeExpressionSubTests(tests, stoppedEvent.getDMContext());
}
/**
* This test verifies that the ExpressionService can handle having a
* child variable with the same name in two methods that also have the same name