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Code Issues Wiki Activity

Core support of the "Cast To Type" and "Restore Default Type" actions.

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This commit is contained in:
Mikhail Khodjaiants 2003-03-09 22:45:33 +00:00
parent 5c9351fc25
commit d32a10f776
5 changed files with 217 additions and 14 deletions
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7
debug/org.eclipse.cdt.debug.core/ChangeLog
View file

@ -1,3 +1,10 @@
2003-03-09 Mikhail Khodjaiants
Core support of the "Cast To Type" and "Restore Default Type" actions.
* ICastToType.java: new
* CLocalVariable.java
* CStackFrame.java
* CVariable.java
2003-02-24 Alain Magloire
* src/org/eclipse/cdt/debug/core/cdi/ICDIRegisterObject.java:

28
debug/org.eclipse.cdt.debug.core/src/org/eclipse/cdt/debug/core/model/ICastToType.java Normal file
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@ -0,0 +1,28 @@
/*
*(c) Copyright QNX Software Systems Ltd. 2002.
* All Rights Reserved.
*
*/
package org.eclipse.cdt.debug.core.model;
import org.eclipse.core.runtime.IAdaptable;
import org.eclipse.debug.core.DebugException;
/**
* Enter type comment.
*
* @since Mar 7, 2003
*/
public interface ICastToType extends IAdaptable
{
boolean supportsCasting();
String getCurrentType();
void cast( String type ) throws DebugException;
void restoreDefault() throws DebugException;
boolean isCasted();
}

35
debug/org.eclipse.cdt.debug.core/src/org/eclipse/cdt/debug/internal/core/model/CLocalVariable.java
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@ -6,6 +6,9 @@
package org.eclipse.cdt.debug.internal.core.model;
import org.eclipse.cdt.debug.core.cdi.model.ICDIVariable;
import org.eclipse.cdt.debug.core.model.ICValue;
import org.eclipse.debug.core.DebugException;
import org.eclipse.debug.core.model.IValue;
/**
*
@ -15,12 +18,36 @@ import org.eclipse.cdt.debug.core.cdi.model.ICDIVariable;
*/
public class CLocalVariable extends CModificationVariable
{
/**
* Constructor for CLocalVariable.
* @param target
*/
public CLocalVariable( CDebugElement parent, ICDIVariable cdiVariable )
{
super( parent, cdiVariable );
}
/* (non-Javadoc)
* @see org.eclipse.cdt.debug.core.model.ICastToType#supportsCasting()
*/
public boolean supportsCasting()
{
boolean enabled = false;
try
{
IValue value = getValue();
if ( value instanceof ICValue )
{
switch( ((ICValue)value).getType() )
{
case ICValue.TYPE_SIMPLE:
case ICValue.TYPE_POINTER:
case ICValue.TYPE_CHAR:
enabled = true;
break;
}
}
}
catch( DebugException e )
{
logError( e );
}
return enabled;
}
}

4
debug/org.eclipse.cdt.debug.core/src/org/eclipse/cdt/debug/internal/core/model/CStackFrame.java
View file

@ -129,7 +129,7 @@ public class CStackFrame extends CDebugElement
while( index < fVariables.size() )
{
CLocalVariable local = (CLocalVariable)fVariables.get( index );
ICDIVariable var = findVariable( locals, local.getCDIVariable() );
ICDIVariable var = findVariable( locals, local.getOriginalCDIVariable() );
if ( var != null )
{
locals.remove( var );
@ -684,7 +684,7 @@ public class CStackFrame extends CDebugElement
for ( int i = 0; i < vars.length; ++i )
{
if ( vars[i] instanceof CLocalVariable &&
((CLocalVariable)vars[i]).getCDIVariable() instanceof ICDIArgument )
((CLocalVariable)vars[i]).getOriginalCDIVariable() instanceof ICDIArgument )
{
list.add( vars[i] );
}

157
debug/org.eclipse.cdt.debug.core/src/org/eclipse/cdt/debug/internal/core/model/CVariable.java
View file

@ -5,16 +5,21 @@
*/
package org.eclipse.cdt.debug.internal.core.model;
import java.text.MessageFormat;
import org.eclipse.cdt.debug.core.cdi.CDIException;
import org.eclipse.cdt.debug.core.cdi.ICDIFormat;
import org.eclipse.cdt.debug.core.cdi.event.ICDIChangedEvent;
import org.eclipse.cdt.debug.core.cdi.event.ICDIEvent;
import org.eclipse.cdt.debug.core.cdi.event.ICDIEventListener;
import org.eclipse.cdt.debug.core.cdi.model.ICDIExpression;
import org.eclipse.cdt.debug.core.cdi.model.ICDIObject;
import org.eclipse.cdt.debug.core.cdi.model.ICDIStackFrame;
import org.eclipse.cdt.debug.core.cdi.model.ICDIValue;
import org.eclipse.cdt.debug.core.cdi.model.ICDIVariable;
import org.eclipse.cdt.debug.core.model.ICValue;
import org.eclipse.cdt.debug.core.model.ICVariable;
import org.eclipse.cdt.debug.core.model.ICastToType;
import org.eclipse.debug.core.DebugEvent;
import org.eclipse.debug.core.DebugException;
import org.eclipse.debug.core.model.IDebugTarget;
@ -29,7 +34,8 @@ import org.eclipse.debug.core.model.IVariable;
*/
public abstract class CVariable extends CDebugElement
implements ICVariable,
ICDIEventListener
ICDIEventListener,
ICastToType
{
/**
* The parent object this variable is contained in.
@ -41,6 +47,11 @@ public abstract class CVariable extends CDebugElement
*/
private ICDIVariable fCDIVariable;
/**
* The shadow CDI variable used for casting.
*/
private ICDIVariable fShadow;
/**
* Cache of current value - see #getValue().
*/
@ -79,6 +90,7 @@ public abstract class CVariable extends CDebugElement
super( (CDebugTarget)parent.getDebugTarget() );
fParent = parent;
fCDIVariable = cdiVariable;
fShadow = null;
getCDISession().getEventManager().addEventListener( this );
}
@ -158,6 +170,8 @@ public abstract class CVariable extends CDebugElement
*/
public Object getAdapter( Class adapter )
{
if ( adapter.equals( ICastToType.class ) )
return this;
if ( adapter.equals( IVariable.class ) )
return this;
if ( adapter.equals( ICVariable.class ) )
@ -229,6 +243,15 @@ public abstract class CVariable extends CDebugElement
((CValue)fValue).dispose();
}
getCDISession().getEventManager().removeEventListener( this );
try
{
if ( getShadow() != null )
destroyShadow( getShadow() );
}
catch( DebugException e )
{
logError( e );
}
}
protected synchronized void setChanged( boolean changed ) throws DebugException
@ -300,12 +323,9 @@ public abstract class CVariable extends CDebugElement
*/
protected ICDIVariable getCDIVariable()
{
return fCDIVariable;
}
protected void setCDIVariable( ICDIVariable newVar )
{
fCDIVariable = newVar;
if ( fShadow != null )
return fShadow;
return getOriginalCDIVariable();
}
/**
@ -325,7 +345,7 @@ public abstract class CVariable extends CDebugElement
String name = null;
try
{
name = getCDIVariable().getName();
name = getOriginalCDIVariable().getName();
}
catch( CDIException e )
{
@ -391,4 +411,125 @@ public abstract class CVariable extends CDebugElement
((ICValue)getValue()).setChanged( true );
fireChangeEvent( DebugEvent.STATE );
}
/* (non-Javadoc)
* @see org.eclipse.cdt.debug.core.model.ICastToType#cast(java.lang.String)
*/
public void cast( String type ) throws DebugException
{
try
{
String newName = MessageFormat.format( "({0})({1})", new String[] { type, getOriginalCDIVariable().getName() } );
ICDIVariable newVar = createShadow( getOriginalCDIVariable().getStackFrame(), newName );
ICDIVariable oldVar = getShadow();
setShadow( newVar );
if ( oldVar != null )
destroyShadow( oldVar );
}
catch( CDIException e )
{
targetRequestFailed( e.getMessage(), null );
}
finally
{
if ( fValue != null )
{
((CValue)fValue).dispose();
fValue = null;
}
fireChangeEvent( DebugEvent.STATE );
}
}
/* (non-Javadoc)
* @see org.eclipse.cdt.debug.core.model.ICastToType#getCurrentType()
*/
public String getCurrentType()
{
try
{
return getReferenceTypeName();
}
catch( DebugException e )
{
logError( e );
}
return "";
}
/* (non-Javadoc)
* @see org.eclipse.cdt.debug.core.model.ICastToType#restoreDefault()
*/
public void restoreDefault() throws DebugException
{
ICDIVariable oldVar = getShadow();
setShadow( null );
if ( oldVar != null )
destroyShadow( oldVar );
if ( fValue != null )
{
((CValue)fValue).dispose();
fValue = null;
}
fireChangeEvent( DebugEvent.STATE );
}
/* (non-Javadoc)
* @see org.eclipse.cdt.debug.core.model.ICastToType#supportsCasting()
*/
public boolean supportsCasting()
{
return false;
}
protected ICDIVariable getOriginalCDIVariable()
{
return fCDIVariable;
}
private ICDIVariable getShadow()
{
return fShadow;
}
private void setShadow( ICDIVariable shadow )
{
fShadow = shadow;
}
private ICDIVariable createShadow( ICDIStackFrame cdiFrame, String expression ) throws DebugException
{
try
{
// ICDIVariableObject varObject = getCDISession().getVariableManager().getVariableObject( getCDIVariable().getStackFrame(), newName );
// return getCDISession().getVariableManager().createVariable( varObject );
return getCDISession().getExpressionManager().createExpression( expression );
}
catch( CDIException e )
{
targetRequestFailed( e.getMessage(), null );
}
return null;
}
private void destroyShadow( ICDIVariable shadow ) throws DebugException
{
try
{
// getCDISession().getVariableManager().destroyVariable( shadow );
getCDISession().getExpressionManager().destroyExpression( (ICDIExpression)shadow );
}
catch( CDIException e )
{
targetRequestFailed( e.getMessage(), null );
}
}
/* (non-Javadoc)
* @see org.eclipse.cdt.debug.core.model.ICastToType#isCasted()
*/
public boolean isCasted()
{
return ( getShadow() != null );
}
}