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Bug 381868 - CDT debugger 'Display As Array...' does not show elements

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of large array. Revert previous fix to simplify.  The bug was actually
in the handling of casting.

Change-Id: Ice96e653d8825567013e1dfda3b3c7e7217ca8d8
Reviewed-on: https://git.eclipse.org/r/6324
Reviewed-by: Mikhail Khodjaiants <mikhailkhod@googlemail.com>
IP-Clean: Mikhail Khodjaiants <mikhailkhod@googlemail.com>
Tested-by: Mikhail Khodjaiants <mikhailkhod@googlemail.com>
Reviewed-by: Marc Khouzam <marc.khouzam@ericsson.com>
IP-Clean: Marc Khouzam <marc.khouzam@ericsson.com>
Tested-by: Marc Khouzam <marc.khouzam@ericsson.com>
This commit is contained in:
Marc Khouzam 2012-06-12 13:41:49 -04:00
parent f55fb58cad
commit cd368cbf94
2 changed files with 12 additions and 71 deletions
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76
dsf-gdb/org.eclipse.cdt.dsf.gdb/src/org/eclipse/cdt/dsf/mi/service/MIExpressions.java
View file

@ -498,20 +498,6 @@ public class MIExpressions extends AbstractDsfService implements IMIExpressions,
} }
} }
private class CastedIndexedPartitionDMC extends IndexedPartitionDMC implements ICastedExpressionDMContext {
final private CastInfo fCastInfo;
private CastedIndexedPartitionDMC(MIExpressionDMC exprDmc, int index, int length, CastInfo castInfo) {
super(exprDmc.getSessionId(), exprDmc.getExpressionInfo(), exprDmc, index, length );
fCastInfo = castInfo;
}
@Override
public CastInfo getCastInfo() {
return fCastInfo;
}
}
/** /**
* Contains the address of an expression as well as the size of its type. * Contains the address of an expression as well as the size of its type.
@ -1462,13 +1448,10 @@ public class MIExpressions extends AbstractDsfService implements IMIExpressions,
protected class CastedExpressionDMC extends MIExpressionDMC implements ICastedExpressionDMContext { protected class CastedExpressionDMC extends MIExpressionDMC implements ICastedExpressionDMContext {
private final CastInfo fCastInfo; private final CastInfo fCastInfo;
/** if non-null, interpret result as this type rather than the raw expression's type */
private String fCastExpression;
public CastedExpressionDMC(MIExpressionDMC exprDMC, String castExpression, CastInfo castInfo) { public CastedExpressionDMC(MIExpressionDMC exprDMC, String castExpression, CastInfo castInfo) {
super(getSession().getId(), exprDMC.getExpression(), exprDMC.getRelativeExpression(), exprDMC); super(getSession().getId(), castExpression, exprDMC.getRelativeExpression(), exprDMC);
fCastInfo = castInfo; fCastInfo = castInfo;
fCastExpression = castExpression;
} }
/* (non-Javadoc) /* (non-Javadoc)
@ -1479,14 +1462,6 @@ public class MIExpressions extends AbstractDsfService implements IMIExpressions,
return fCastInfo; return fCastInfo;
} }
/* (non-Javadoc)
* @see org.eclipse.cdt.dsf.mi.service.MIExpressions.java#getExpression()
*/
@Override
public String getExpression() {
return fCastExpression;
}
/** /**
* @return True if the two objects are equal, false otherwise. * @return True if the two objects are equal, false otherwise.
*/ */
@ -1495,13 +1470,6 @@ public class MIExpressions extends AbstractDsfService implements IMIExpressions,
return super.equals(other) return super.equals(other)
&& fCastInfo.equals(((CastedExpressionDMC) other).fCastInfo); && fCastInfo.equals(((CastedExpressionDMC) other).fCastInfo);
} }
@Override
public String toString() {
return baseToString() + ".expr" + "[" + //$NON-NLS-1$ //$NON-NLS-2$
getExpression() +", " + getRelativeExpression() + "]"; //$NON-NLS-1$//$NON-NLS-2$
}
} }
/* (non-Javadoc) /* (non-Javadoc)
@ -1527,10 +1495,10 @@ public class MIExpressions extends AbstractDsfService implements IMIExpressions,
// cast to array (can be in addition to cast to type) // cast to array (can be in addition to cast to type)
if (castingLength > 0) { if (castingLength > 0) {
StringBuffer buffer = new StringBuffer(); StringBuffer buffer = new StringBuffer();
buffer.append("*("); //$NON-NLS-1$ buffer.append("(*("); //$NON-NLS-1$
buffer.append('(').append(castExpression).append(')'); buffer.append('(').append(castExpression).append(')');
buffer.append('+').append(castingIndex).append(')'); buffer.append('+').append(castingIndex).append(')');
buffer.append('@').append(castingLength); buffer.append('@').append(castingLength).append(')');
castExpression = buffer.toString(); castExpression = buffer.toString();
} }
@ -1568,8 +1536,6 @@ public class MIExpressions extends AbstractDsfService implements IMIExpressions,
int startIndex1 = (startIndex < 0) ? 0 : startIndex; int startIndex1 = (startIndex < 0) ? 0 : startIndex;
int length1 = (length < 0) ? numChildren - startIndex1 : Math.min(length, numChildren - startIndex1); int length1 = (length < 0) ? numChildren - startIndex1 : Math.min(length, numChildren - startIndex1);
CastInfo castInfo = (exprCtx instanceof ICastedExpressionDMContext) ?
((ICastedExpressionDMContext)exprCtx).getCastInfo() : null;
IndexedPartitionDMC[] children = new IndexedPartitionDMC[numChildren]; IndexedPartitionDMC[] children = new IndexedPartitionDMC[numChildren];
int index = 0; int index = 0;
for(int i = 0; i < children.length; ++i) { for(int i = 0; i < children.length; ++i) {
@ -1578,8 +1544,7 @@ public class MIExpressions extends AbstractDsfService implements IMIExpressions,
exprCtx.getParents()[0], exprCtx.getParents()[0],
exprCtx.getExpressionInfo(), exprCtx.getExpressionInfo(),
index, index,
partLength, partLength);
castInfo);
index += partLength; index += partLength;
} }
return Arrays.copyOfRange(children, startIndex1, startIndex1 + length1 ); return Arrays.copyOfRange(children, startIndex1, startIndex1 + length1 );
@ -1591,9 +1556,6 @@ public class MIExpressions extends AbstractDsfService implements IMIExpressions,
final int length, final int length,
final DataRequestMonitor<IExpressionDMContext[]> rm) { final DataRequestMonitor<IExpressionDMContext[]> rm) {
CastInfo castInfo = (partDmc instanceof ICastedExpressionDMContext) ?
((ICastedExpressionDMContext)partDmc).getCastInfo() : null;
final int startIndex1 = (startIndex < 0) ? 0 : startIndex; final int startIndex1 = (startIndex < 0) ? 0 : startIndex;
final int length1 = (length < 0) ? Integer.MAX_VALUE : length; final int length1 = (length < 0) ? Integer.MAX_VALUE : length;
@ -1620,8 +1582,7 @@ public class MIExpressions extends AbstractDsfService implements IMIExpressions,
partDmc, partDmc,
partDmc.getParentInfo(), partDmc.getParentInfo(),
index, index,
childPartLength, childPartLength);
castInfo);
index += childPartLength; index += childPartLength;
} }
rm.setData(children); rm.setData(children);
@ -1634,11 +1595,8 @@ public class MIExpressions extends AbstractDsfService implements IMIExpressions,
rm.done(); rm.done();
} }
else { else {
IExpressionDMContext parentCtx = createExpression(partDmc.getParents()[0], partDmc.getParentInfo());
if (castInfo != null)
parentCtx = createCastedExpression(parentCtx, castInfo);
getRealSubExpressions( getRealSubExpressions(
parentCtx, createExpression(partDmc.getParents()[0], partDmc.getParentInfo()),
partStartIndex + startIndex1, partStartIndex + startIndex1,
Math.min(length1, partLength - startIndex1), Math.min(length1, partLength - startIndex1),
rm); rm);
@ -1711,18 +1669,10 @@ public class MIExpressions extends AbstractDsfService implements IMIExpressions,
return ( diff > length ) ? length : diff ; return ( diff > length ) ? length : diff ;
} }
private IndexedPartitionDMC createIndexedPartition( private IndexedPartitionDMC createIndexedPartition(IDMContext ctx, ExpressionInfo info, int index, int length) {
IDMContext ctx,
ExpressionInfo info,
int index,
int length,
CastInfo castInfo) {
IFrameDMContext frameDmc = DMContexts.getAncestorOfType(ctx, IFrameDMContext.class); IFrameDMContext frameDmc = DMContexts.getAncestorOfType(ctx, IFrameDMContext.class);
if (frameDmc != null) { if (frameDmc != null) {
IndexedPartitionDMC partDmc = return new IndexedPartitionDMC(getSession().getId(), info, frameDmc, index, length);
new IndexedPartitionDMC(getSession().getId(), info, frameDmc, index, length);
return (castInfo != null) ?
new CastedIndexedPartitionDMC(partDmc, index, length, castInfo) : partDmc;
} }
IMIExecutionDMContext execCtx = DMContexts.getAncestorOfType(ctx, IMIExecutionDMContext.class); IMIExecutionDMContext execCtx = DMContexts.getAncestorOfType(ctx, IMIExecutionDMContext.class);
@ -1733,17 +1683,11 @@ public class MIExpressions extends AbstractDsfService implements IMIExpressions,
MIStack stackService = getServicesTracker().getService(MIStack.class); MIStack stackService = getServicesTracker().getService(MIStack.class);
if (stackService != null) { if (stackService != null) {
frameDmc = stackService.createFrameDMContext(execCtx, 0); frameDmc = stackService.createFrameDMContext(execCtx, 0);
IndexedPartitionDMC partDmc = return new IndexedPartitionDMC(getSession().getId(), info, frameDmc, index, length);
new IndexedPartitionDMC(getSession().getId(), info, frameDmc, index, length);
return (castInfo != null) ?
new CastedIndexedPartitionDMC(partDmc, index, length, castInfo) : partDmc;
} }
} }
IndexedPartitionDMC partDmc = return new IndexedPartitionDMC(getSession().getId(), info, ctx, index, length);
new IndexedPartitionDMC(getSession().getId(), info, ctx, index, length);
return (castInfo != null) ?
new CastedIndexedPartitionDMC(partDmc, index, length, castInfo) : partDmc;
} }
private void getRealSubExpressionCount(IExpressionDMContext dmc, int numChildLimit, final DataRequestMonitor<Integer> rm) { private void getRealSubExpressionCount(IExpressionDMContext dmc, int numChildLimit, final DataRequestMonitor<Integer> rm) {

3
dsf-gdb/org.eclipse.cdt.dsf.gdb/src/org/eclipse/cdt/dsf/mi/service/MIVariableManager.java
View file

@ -1337,9 +1337,6 @@ public class MIVariableManager implements ICommandControl {
int castingIndex = 0; int castingIndex = 0;
// in case of casts, need to resolve that before dereferencing, to be safe // in case of casts, need to resolve that before dereferencing, to be safe
if (exprDmc instanceof ICastedExpressionDMContext) { if (exprDmc instanceof ICastedExpressionDMContext) {
// When casting, if we are dealing with a resulting array, we should surround
// it with parenthesis before we subscript it.
exprName = '(' + exprName + ')';
castingIndex = ((ICastedExpressionDMContext)exprDmc).getCastInfo().getArrayStartIndex(); castingIndex = ((ICastedExpressionDMContext)exprDmc).getCastInfo().getArrayStartIndex();
} }
if (exprDmc instanceof IIndexedPartitionDMContext) { if (exprDmc instanceof IIndexedPartitionDMContext) {