diff options
Diffstat (limited to 'debug/org.eclipse.cdt.debug.core/src/org/eclipse/cdt/debug/internal/core/model/CVariable.java')
| -rw-r--r-- | debug/org.eclipse.cdt.debug.core/src/org/eclipse/cdt/debug/internal/core/model/CVariable.java | 941 |
1 files changed, 0 insertions, 941 deletions
diff --git a/debug/org.eclipse.cdt.debug.core/src/org/eclipse/cdt/debug/internal/core/model/CVariable.java b/debug/org.eclipse.cdt.debug.core/src/org/eclipse/cdt/debug/internal/core/model/CVariable.java deleted file mode 100644 index d905acaa68f..00000000000 --- a/debug/org.eclipse.cdt.debug.core/src/org/eclipse/cdt/debug/internal/core/model/CVariable.java +++ /dev/null @@ -1,941 +0,0 @@ -/******************************************************************************* - * Copyright (c) 2004, 2012 QNX Software Systems and others. - * All rights reserved. This program and the accompanying materials - * are made available under the terms of the Eclipse Public License v1.0 - * which accompanies this distribution, and is available at - * http://www.eclipse.org/legal/epl-v10.html - * - * Contributors: - * QNX Software Systems - Initial API and implementation - *******************************************************************************/ -package org.eclipse.cdt.debug.internal.core.model; - -import com.ibm.icu.text.MessageFormat; - -import org.eclipse.cdt.debug.core.CDebugCorePlugin; -import org.eclipse.cdt.debug.core.ICDTLaunchConfigurationConstants; -import org.eclipse.cdt.debug.core.ICDebugConstants; -import org.eclipse.cdt.debug.core.ICWatchpointTarget; -import org.eclipse.cdt.debug.core.cdi.event.ICDIChangedEvent; -import org.eclipse.cdt.debug.core.cdi.event.ICDIDestroyedEvent; -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.event.ICDIMemoryChangedEvent; -import org.eclipse.cdt.debug.core.cdi.event.ICDIResumedEvent; -import org.eclipse.cdt.debug.core.cdi.model.ICDIObject; -import org.eclipse.cdt.debug.core.cdi.model.ICDITarget; -import org.eclipse.cdt.debug.core.cdi.model.ICDITargetConfiguration; -import org.eclipse.cdt.debug.core.cdi.model.ICDITargetConfiguration2; -import org.eclipse.cdt.debug.core.cdi.model.ICDITargetConfiguration3; -import org.eclipse.cdt.debug.core.cdi.model.ICDIVariable; -import org.eclipse.cdt.debug.core.cdi.model.ICDIVariableDescriptor; -import org.eclipse.cdt.debug.core.model.CVariableFormat; -import org.eclipse.cdt.debug.core.model.ICDebugElementStatus; -import org.eclipse.cdt.debug.core.model.ICType; -import org.eclipse.cdt.debug.core.model.ICValue; -import org.eclipse.cdt.debug.internal.core.CSettingsManager; -import org.eclipse.core.runtime.CoreException; -import org.eclipse.debug.core.DebugEvent; -import org.eclipse.debug.core.DebugException; -import org.eclipse.debug.core.DebugPlugin; -import org.eclipse.debug.core.model.IValue; - -/** - * A thin wrapper over the CVariable for injection into the CDI event manager's - * listener collection. We used to directly inject the CVariable, but that's - * problematic since CVariable overrides the equals() method to base the - * decision on the internal variable object. So if two CVariables were added to - * the listener list for the same underlying value, trying to later remove one - * of the listeners had a 50/50 chance of removing the wrong one. - * - * How can you end up with two CVariables for the same internal variable on the - * listener list? Easy. - * 1. View a register in the Registers view. - * 2. Create a custom register group that contains the same register. - * 3. Expand the custom register group - * 4. Remove the custom register group - * Step 4 removed the wrong CVariable from the listener list. - * - */ -class VariableEventListener implements ICDIEventListener { - private CVariable fVar; - public VariableEventListener(CVariable var) { - fVar = var; - } - /* (non-Javadoc) - * @see org.eclipse.cdt.debug.core.cdi.event.ICDIEventListener#handleDebugEvents(org.eclipse.cdt.debug.core.cdi.event.ICDIEvent[]) - */ - @Override - public void handleDebugEvents(ICDIEvent[] events) { - fVar.handleDebugEvents(events); - } -} - -/** - * Represents a variable in the CDI model. - */ -public abstract class CVariable extends AbstractCVariable implements ICDIEventListener, ICWatchpointTarget { - - interface IInternalVariable { - IInternalVariable createShadow( int start, int length ) throws DebugException; - IInternalVariable createShadow( String type ) throws DebugException; - CType getType() throws DebugException; - String getQualifiedName() throws DebugException; - ICValue getValue() throws DebugException; - void setValue( String expression ) throws DebugException; - boolean isChanged(); - void setChanged( boolean changed ); - void dispose( boolean destroy ); - boolean isSameDescriptor( ICDIVariableDescriptor desc ); - boolean isSameVariable( ICDIVariable cdiVar ); - void resetValue(); - boolean isEditable() throws DebugException; - boolean isArgument(); - int sizeof(); - void invalidateValue(); - void preserve(); - - // Note: the CDI object association can change; e.g., if a "Cast to Type" - // or "Display as Array" is done on the element. - ICDIObject getCdiObject(); - } - - /** - * Whether this variable is currently enabled. - */ - private boolean fIsEnabled = true; - - /** - * The original internal variable. - */ - private IInternalVariable fOriginal; - - /** - * The shadow internal variable used for casting. - */ - private IInternalVariable fShadow; - - /** - * The name of this variable. - */ - private String fName; - - /** - * The current format of this variable. - */ - private CVariableFormat fFormat = CVariableFormat.getFormat( CDebugCorePlugin.getDefault().getPluginPreferences().getInt( ICDebugConstants.PREF_DEFAULT_VARIABLE_FORMAT ) ); - - /** - * Whether this variable has been disposed. - */ - private boolean fIsDisposed = false; - - /** - * Thin wrapper for instertion into the CDI event manager's listener list - */ - private VariableEventListener fEventListenerWrapper; - - /** - * Constructor for CVariable. - */ - protected CVariable( CDebugElement parent, ICDIVariableDescriptor cdiVariableObject ) { - super( parent ); - fEventListenerWrapper = new VariableEventListener(this); - if ( cdiVariableObject != null ) { - setName( cdiVariableObject.getName() ); - createOriginal( cdiVariableObject ); - } - fIsEnabled = ( parent instanceof AbstractCValue ) ? ((AbstractCValue)parent).getParentVariable().isEnabled() : !isBookkeepingEnabled(); - getCDISession().getEventManager().addEventListener( fEventListenerWrapper ); - if ( cdiVariableObject != null ) { - setInitialFormat(); - } - } - - /** - * Constructor for CVariable. - */ - protected CVariable( CDebugElement parent, ICDIVariableDescriptor cdiVariableObject, String errorMessage ) { - super( parent ); - fEventListenerWrapper = new VariableEventListener(this); - if ( cdiVariableObject != null ) { - setName( cdiVariableObject.getName() ); - createOriginal( cdiVariableObject ); - } - fIsEnabled = !isBookkeepingEnabled(); - setStatus( ICDebugElementStatus.ERROR, MessageFormat.format( CoreModelMessages.getString( "CVariable.1" ), new String[]{ errorMessage } ) ); //$NON-NLS-1$ - getCDISession().getEventManager().addEventListener( fEventListenerWrapper ); - if ( cdiVariableObject != null ) { - setInitialFormat(); - } - } - - /* - * (non-Javadoc) - * - * @see org.eclipse.cdt.debug.core.model.ICVariable#getType() - */ - @Override - public ICType getType() throws DebugException { - if ( isDisposed() ) - return null; - IInternalVariable iv = getCurrentInternalVariable(); - return ( iv != null ) ? iv.getType() : null; - } - - /* - * (non-Javadoc) - * - * @see org.eclipse.cdt.debug.core.model.ICVariable#isEnabled() - */ - @Override - public boolean isEnabled() { - return fIsEnabled; - } - - /* - * (non-Javadoc) - * - * @see org.eclipse.cdt.debug.core.model.ICVariable#setEnabled(boolean) - */ - @Override - public void setEnabled( boolean enabled ) throws DebugException { - // Debugger engines that use active variable objects will benefit - // performance-wise if we dispose the internal variable when it's - // disabled by the user (it will automatically get lazily recreated if - // it's ever needed again). Engines using passive variables probably - // won't, so we can defer the dispose until we have no use for the - // variable altogether. - boolean disposeVariable = true; - ICDITargetConfiguration configuration = getParent().getCDITarget().getConfiguration(); - if (configuration instanceof ICDITargetConfiguration2) { - disposeVariable = !((ICDITargetConfiguration2)configuration).supportsPassiveVariableUpdate(); - } - if (disposeVariable) { - IInternalVariable iv = getOriginal(); - if ( iv != null ) - iv.dispose( true ); - iv = getShadow(); - if ( iv != null ) - iv.dispose( true ); - } - fIsEnabled = enabled; - fireChangeEvent( DebugEvent.STATE ); - } - - /* - * (non-Javadoc) - * - * @see org.eclipse.cdt.debug.core.model.ICVariable#canEnableDisable() - */ - @Override - public boolean canEnableDisable() { - return !( getParent() instanceof IValue ); - } - - /* - * (non-Javadoc) - * - * @see org.eclipse.cdt.debug.core.model.ICVariable#isArgument() - */ - @Override - public boolean isArgument() { - IInternalVariable iv = getOriginal(); - return ( iv != null ) ? iv.isArgument() : false; - } - - /* - * (non-Javadoc) - * - * @see org.eclipse.debug.core.model.IVariable#getValue() - */ - @Override - public IValue getValue() throws DebugException { - if ( !isDisposed() && isEnabled() ) { - IInternalVariable iv = getCurrentInternalVariable(); - if ( iv != null ) { - try { - return iv.getValue(); - } - catch( DebugException e ) { - setStatus( ICDebugElementStatus.ERROR, e.getMessage() ); - } - } - } - return CValueFactory.NULL_VALUE; - } - - /* - * (non-Javadoc) - * - * @see org.eclipse.debug.core.model.IVariable#getName() - */ - @Override - public String getName() throws DebugException { - return fName; - } - - /* - * (non-Javadoc) - * - * @see org.eclipse.debug.core.model.IVariable#getReferenceTypeName() - */ - @Override - public String getReferenceTypeName() throws DebugException { - ICType type = getType(); - return ( type != null ) ? type.getName() : ""; //$NON-NLS-1$ - } - - /* - * (non-Javadoc) - * - * @see org.eclipse.debug.core.model.IVariable#hasValueChanged() - */ - @Override - public boolean hasValueChanged() throws DebugException { - if ( isDisposed() ) - return false; - IInternalVariable iv = getCurrentInternalVariable(); - return ( iv != null ) ? iv.isChanged() : false; - } - - /* - * (non-Javadoc) - * - * @see org.eclipse.cdt.debug.core.model.IFormatSupport#supportsFormatting() - */ - @Override - public boolean supportsFormatting() { - return true; - } - - /* - * (non-Javadoc) - * - * @see org.eclipse.cdt.debug.core.model.IFormatSupport#getFormat() - */ - @Override - public CVariableFormat getFormat() { - return fFormat; - } - - /* - * (non-Javadoc) - * - * @see org.eclipse.cdt.debug.core.model.IFormatSupport#changeFormat(org.eclipse.cdt.debug.core.model.CVariableFormat) - */ - @Override - public void changeFormat( CVariableFormat format ) throws DebugException { - setFormat( format ); - storeFormat( format ); - resetValue(); - } - - /* - * (non-Javadoc) - * Allow this operation only for the pointer types (???). - * - * @see org.eclipse.cdt.debug.core.model.ICastToArray#canCastToArray() - */ - @Override - public boolean canCastToArray() { - ICType type; - try { - type = getType(); - return ( getOriginal() != null && isEnabled() && type != null && type.isPointer() ); - } - catch( DebugException e ) { - } - return false; - } - - /* - * (non-Javadoc) - * - * @see org.eclipse.cdt.debug.core.model.ICastToArray#castToArray(int, int) - */ - @Override - public void castToArray( int startIndex, int length ) throws DebugException { - IInternalVariable current = getCurrentInternalVariable(); - if ( current != null ) { - IInternalVariable newVar = current.createShadow( startIndex, length ); - if ( getShadow() != null ) - getShadow().dispose( true ); - setShadow( newVar ); - // If casting of variable to a type or array causes an error, the status - // of the variable is set to "error" and it can't be reset by subsequent castings. - resetValue(); - storeCastToArray( startIndex, length ); - } - } - - /* - * (non-Javadoc) - * - * @see org.eclipse.debug.core.model.IValueModification#setValue(java.lang.String) - */ - @Override - public void setValue( String expression ) throws DebugException { - IInternalVariable iv = getCurrentInternalVariable(); - if ( iv != null ) { - String newExpression = processExpression( expression ); - iv.setValue( newExpression ); - } - } - - /* - * (non-Javadoc) - * - * @see org.eclipse.debug.core.model.IValueModification#setValue(org.eclipse.debug.core.model.IValue) - */ - @Override - public void setValue( IValue value ) throws DebugException { - notSupported( CoreModelMessages.getString( "CVariable.3" ) ); //$NON-NLS-1$ - } - - /* - * (non-Javadoc) - * - * @see org.eclipse.debug.core.model.IValueModification#supportsValueModification() - */ - @Override - public boolean supportsValueModification() { - try { - return fIsEnabled ? getCurrentInternalVariable().isEditable() : false; - } - catch( DebugException e ) { - } - return false; - } - - /* - * (non-Javadoc) - * - * @see org.eclipse.debug.core.model.IValueModification#verifyValue(java.lang.String) - */ - @Override - public boolean verifyValue( String expression ) throws DebugException { - return true; - } - - /* - * (non-Javadoc) - * - * @see org.eclipse.debug.core.model.IValueModification#verifyValue(org.eclipse.debug.core.model.IValue) - */ - @Override - public boolean verifyValue( IValue value ) throws DebugException { - return value.getDebugTarget().equals( getDebugTarget() ); - } - - /* - * (non-Javadoc) - * - * @see org.eclipse.cdt.debug.core.model.ICastToType#canCast() - */ - @Override - public boolean canCast() { - return ( getOriginal() != null && isEnabled() ); - } - - /* - * (non-Javadoc) - * - * @see org.eclipse.cdt.debug.core.model.ICastToType#getCurrentType() - */ - @Override - public String getCurrentType() { - String typeName = ""; //$NON-NLS-1$ - try { - typeName = getReferenceTypeName(); - } - catch( DebugException e ) { - } - return typeName; - } - - /* - * (non-Javadoc) - * - * @see org.eclipse.cdt.debug.core.model.ICastToType#cast(java.lang.String) - */ - @Override - public void cast( String type ) throws DebugException { - IInternalVariable current = getCurrentInternalVariable(); - if ( current != null ) { - IInternalVariable newVar = current.createShadow( type ); - if ( getShadow() != null ) - getShadow().dispose( true ); - setShadow( newVar ); - // If casting of variable to a type or array causes an error, the status - // of the variable is set to "error" and it can't be reset by subsequent castings. - resetValue(); - storeCast(type); - } - } - - /* - * (non-Javadoc) - * - * @see org.eclipse.cdt.debug.core.model.ICastToType#restoreOriginal() - */ - @Override - public void restoreOriginal() throws DebugException { - IInternalVariable oldVar = getShadow(); - setShadow( null ); - if ( oldVar != null ) - oldVar.dispose( true ); - IInternalVariable iv = getOriginal(); - if ( iv != null ) - iv.invalidateValue(); - // If casting of variable to a type or array causes an error, the status - // of the variable is set to "error" and it can't be reset by subsequent castings. - resetValue(); - forgetCast(); - forgetCastToArray(); - } - - /* - * (non-Javadoc) - * - * @see org.eclipse.cdt.debug.core.model.ICastToType#isCasted() - */ - @Override - public boolean isCasted() { - return ( getShadow() != null ); - } - - /* - * (non-Javadoc) - * - * @see org.eclipse.cdt.debug.core.cdi.event.ICDIEventListener#handleDebugEvents(org.eclipse.cdt.debug.core.cdi.event.ICDIEvent[]) - */ - @Override - public void handleDebugEvents( ICDIEvent[] events ) { - IInternalVariable iv = getCurrentInternalVariable(); - if ( iv == null ) - return; - for( int i = 0; i < events.length; i++ ) { - ICDIEvent event = events[i]; - ICDIObject source = event.getSource(); - if ( source == null ) - continue; - ICDITarget target = source.getTarget(); - if ( target.equals( getCDITarget() ) ) { - if ( event instanceof ICDIMemoryChangedEvent && - target.getConfiguration() instanceof ICDITargetConfiguration3 && - ((ICDITargetConfiguration3)target.getConfiguration()).needsVariablesUpdated(event)) { - resetValue(); - } - else if ( event instanceof ICDIChangedEvent ) { - if ( source instanceof ICDIVariable && iv.isSameVariable( (ICDIVariable)source ) ) { - handleChangedEvent( (ICDIChangedEvent)event ); - } - } - else if ( event instanceof ICDIResumedEvent ) { - handleResumedEvent( (ICDIResumedEvent)event ); - } - else if (event instanceof ICDIDestroyedEvent - && iv.getCdiObject() == source) { - dispose(); - fireChangeEvent(DebugEvent.STATE); - } - } - } - } - - private void handleResumedEvent( ICDIResumedEvent event ) { - boolean changed = false; - if ( hasErrors() ) { - resetStatus(); - changed = true; - IInternalVariable iv = getCurrentInternalVariable(); - if ( iv != null ) - iv.invalidateValue(); - } - if ( changed ) - fireChangeEvent( DebugEvent.STATE ); - } - - private void handleChangedEvent( ICDIChangedEvent event ) { - IInternalVariable iv = getCurrentInternalVariable(); - if ( iv != null ) { - iv.setChanged( true ); - fireChangeEvent( DebugEvent.STATE ); - } - } - - private IInternalVariable getCurrentInternalVariable() { - if ( getShadow() != null ) - return getShadow(); - return getOriginal(); - } - - private IInternalVariable getOriginal() { - return fOriginal; - } - - protected void setOriginal( IInternalVariable original ) { - fOriginal = original; - } - - private IInternalVariable getShadow() { - return fShadow; - } - - private void setShadow( IInternalVariable shadow ) { - fShadow = shadow; - } - - protected boolean isBookkeepingEnabled() { - boolean result = false; - try { - result = getLaunch().getLaunchConfiguration().getAttribute( ICDTLaunchConfigurationConstants.ATTR_DEBUGGER_ENABLE_VARIABLE_BOOKKEEPING, false ); - } - catch( CoreException e ) { - } - return result; - } - - abstract protected void createOriginal( ICDIVariableDescriptor vo ); - - protected boolean hasErrors() { - return !isOK(); - } - - /* (non-Javadoc) - * @see org.eclipse.cdt.debug.internal.core.model.AbstractCVariable#setChanged(boolean) - */ - @Override - protected void setChanged( boolean changed ) { - IInternalVariable iv = getCurrentInternalVariable(); - if ( iv != null ) { - iv.setChanged( changed ); - } - } - - /* (non-Javadoc) - * @see org.eclipse.cdt.debug.internal.core.model.AbstractCVariable#resetValue() - */ - @Override - protected void resetValue() { - IInternalVariable iv = getCurrentInternalVariable(); - if ( iv != null ) { - resetStatus(); - iv.resetValue(); - fireChangeEvent( DebugEvent.STATE ); - } - } - - private String processExpression( String oldExpression ) { - return oldExpression; - } - - /* (non-Javadoc) - * @see org.eclipse.cdt.debug.internal.core.model.AbstractCVariable#dispose() - */ - @Override - public void dispose() { - // Hack: do not destroy local variables - internalDispose( false ); - setDisposed( true ); - } - - public int sizeof() { - IInternalVariable iv = getCurrentInternalVariable(); - return ( iv != null ) ? iv.sizeof() : -1; - } - - /** - * Compares the original internal variables. - * @see java.lang.Object#equals(java.lang.Object) - */ - @Override - public boolean equals( Object obj ) { - if ( obj instanceof CVariable ) { - // A disposed copy can be stored in the viewer. - // false should be returned to force the viewer to - // replace it by a new variable. See bug #115385 - if ( isDisposed() != ((CVariable)obj).isDisposed() ) - return false; - IInternalVariable iv = getOriginal(); - return ( iv != null ) ? iv.equals( ((CVariable)obj).getOriginal() ) : false; - } - return false; - } - - protected boolean sameVariable( ICDIVariableDescriptor vo ) { - IInternalVariable iv = getOriginal(); - return ( iv != null && iv.isSameDescriptor( vo ) ); - } - - protected void setFormat( CVariableFormat format ) { - fFormat = format; - } - - /* (non-Javadoc) - * @see org.eclipse.cdt.debug.core.model.ICVariable#getExpressionString() - */ - @Override - public String getExpressionString() throws DebugException { - IInternalVariable iv = getCurrentInternalVariable(); - return ( iv != null ) ? iv.getQualifiedName() : null; - } - - /* (non-Javadoc) - * @see org.eclipse.cdt.debug.internal.core.model.AbstractCVariable#preserve() - */ - @Override - protected void preserve() { - resetStatus(); - IInternalVariable iv = getCurrentInternalVariable(); - if ( iv != null ) - iv.preserve(); - } - - protected void internalDispose( boolean destroy ) { - getCDISession().getEventManager().removeEventListener( fEventListenerWrapper ); - IInternalVariable iv = getOriginal(); - if ( iv != null ) - iv.dispose( destroy ); - iv = getShadow(); - if ( iv != null ) - iv.dispose( destroy ); - } - - protected boolean isDisposed() { - return fIsDisposed; - } - - protected void setDisposed( boolean isDisposed ) { - fIsDisposed = isDisposed; - } - - protected void invalidateValue() { - resetStatus(); - IInternalVariable iv = getCurrentInternalVariable(); - if ( iv != null ) - iv.invalidateValue(); - } - - protected void setName( String name ) { - fName = name; - } - - public ICDIObject getCdiObject() { - IInternalVariable iv = getCurrentInternalVariable(); - if ( iv != null ) { - return iv.getCdiObject(); - } - return null; - } - - protected CSettingsManager getFormatManager() { - return ((CDebugTarget) getDebugTarget()).getFormatManager(); - } - - /** - * used to concatenate multiple names to a single identifier - */ - private final static String NAME_PART_SEPARATOR = "-"; //$NON-NLS-1$ - - /** - * suffix used to identify format informations - */ - private final static String FORMAT_SUFFIX = NAME_PART_SEPARATOR + "(format)"; //$NON-NLS-1$ - - /** - * suffix used to identify cast settings - */ - private final static String CAST_SUFFIX = NAME_PART_SEPARATOR + "(cast)"; //$NON-NLS-1$ - - /** - * suffix used to identify cast to array settings - */ - private final static String CAST_TO_ARRAY_SUFFIX = NAME_PART_SEPARATOR + "(cast_to_array)"; //$NON-NLS-1$ - - /** retrieve the identification for this variable. - * @return a string identifying this variable, to be used to store settings - * @throws DebugException - */ - String getVariableID() throws DebugException { - return getName(); // TODO: better identification if multiple variables have the same name - } - - /** helper to generate a string id used to persist the settings. - * @param next_obj next object to encode into the id - * @param buf contains the id of the part encoded so far. - * @throws DebugException - */ - static private void buildPesistID( CDebugElement next_obj, StringBuffer buf ) throws DebugException { - if ( next_obj instanceof CVariable ) { - CVariable cVariableParent = (CVariable) next_obj; - buf.append( NAME_PART_SEPARATOR ); - buf.append( cVariableParent.getVariableID() ); - buildPesistID( cVariableParent.getParent(), buf ); - } else if ( next_obj instanceof CStackFrame ) { - buf.append(NAME_PART_SEPARATOR); - // TODO: better identification if multiple functions have the same name (say for static functions) - buf.append( ((CStackFrame)next_obj ).getFunction() ); - } else if ( next_obj instanceof CDebugTarget ) { - // global, we use a root NAME_PART_SEPARATOR as indicator of that - buf.append( NAME_PART_SEPARATOR ); - } else if ( next_obj instanceof AbstractCValue ) { - // index or indirection. - AbstractCValue av = (AbstractCValue) next_obj; - buildPesistID( av.getParentVariable(), buf ); - } - } - - /** returns an string used to identify this variable - * @return - * @throws DebugException - */ - private final String getPersistID() throws DebugException { - StringBuffer id = new StringBuffer(); - id.append( getVariableID() ); - buildPesistID( getParent(), id ); - return id.toString(); - } - - /** stores the given format - * @param format the format to be used for this variable - */ - protected void storeFormat( CVariableFormat format ) { - try { - String formatString = Integer.toString( format.getFormatNumber() ); - - getFormatManager().putValue( getPersistID() + FORMAT_SUFFIX, formatString ); - } catch ( DebugException e ) { - // if we do not get the name, we use the default format, no reason for the creation to fail too. - DebugPlugin.log( e ); - } - } - - /** stores the cast information. - * @param type the type to be displayed instead - */ - protected void storeCast( String type ) { - try { - String id = getPersistID() + CAST_SUFFIX; - getFormatManager().putValue( id, type ); - } catch ( DebugException e ) { - DebugPlugin.log( e ); - } - } - - /** drops the cast information. - */ - protected void forgetCast() { - try { - String id = getPersistID() + CAST_SUFFIX; - getFormatManager().removeValue( id ); - } catch ( DebugException e ) { - DebugPlugin.log( e ); - } - } - - /** stores the cast array information. - * @param startIndex the first item to be displayed in the cast array operation - * @param length the number of elements to display - */ - protected void storeCastToArray(int startIndex, int length) { - try { - // we persist the information in a (startIndex):(Length) format. - String content = Integer.toString( startIndex ) + ":" + Integer.toString( length ); //$NON-NLS-1$ - getFormatManager().putValue( getPersistID() + CAST_TO_ARRAY_SUFFIX, content ); - } catch ( DebugException e ) { - DebugPlugin.log( e ); - } - } - - /** drops previously stored cast array information. - */ - protected void forgetCastToArray() { - try { - String id = getPersistID() + CAST_TO_ARRAY_SUFFIX; - getFormatManager().removeValue( id ); - } catch ( DebugException e ) { - DebugPlugin.log( e ); - } - } - - /** - * restore the format stored previously for this variable. - * Only sets explicitly retrieved formats in order to maintain defaults. - */ - protected void setInitialFormat() { - try { - String persistID= getPersistID(); - String stringFormat = getFormatManager().getValue( persistID + FORMAT_SUFFIX ); - if ( stringFormat != null ) { - try { - CVariableFormat format = CVariableFormat.getFormat( Integer.parseInt( stringFormat ) ); - setFormat( format ); - } catch ( NumberFormatException e ) { - DebugPlugin.log( e ); - } - } - - if ( canCast() ) { - String castString = getFormatManager().getValue( persistID + CAST_SUFFIX ); - if ( castString != null ) { - cast( castString ); - } - } - if ( canCastToArray() ) { - String castToArrayString = getFormatManager().getValue( persistID + CAST_TO_ARRAY_SUFFIX ); - if (castToArrayString != null) { - int index = castToArrayString.indexOf( ':' ); - if ( index > 0 ) { - try { - int beg = Integer.parseInt( castToArrayString.substring( 0, index ) ); - int num = Integer.parseInt( castToArrayString.substring( index + 1 ) ); - castToArray( beg, num ); - } catch ( NumberFormatException e ) { - DebugPlugin.log( e ); - } - } else { - DebugPlugin.logMessage( "did not find expected : for cast to array", null ); //$NON-NLS-1$ - } - } - } - } catch ( DebugException e ) { - DebugPlugin.log( e ); - // we drop (and log) the exception here. - // even if the initial setup fails, we still want the complete creation to be successful - } - } - - /* (non-Javadoc) - * @see org.eclipse.cdt.debug.internal.core.IWatchpointTarget#getExpression() - */ - @Override - public String getExpression() { - try { - return getExpressionString(); - } catch (DebugException e) { - return ""; //$NON-NLS-1$ - } - } - - /* (non-Javadoc) - * @see org.eclipse.cdt.debug.internal.core.IWatchpointTarget#getSize() - */ - @Override - public void getSize(ICWatchpointTarget.GetSizeRequest request) { - // CDI has synchronous APIs, so this is easy... - request.setSize(sizeof()); - request.done(); - } - - /* (non-Javadoc) - * @see org.eclipse.cdt.debug.internal.core.IWatchpointTarget#canCreateWatchpoint(org.eclipse.cdt.debug.internal.core.IWatchpointTarget.CanCreateWatchpointRequest) - */ - @Override - public void canSetWatchpoint(ICWatchpointTarget.CanCreateWatchpointRequest request) { - // CDI has synchronous APIs, so this is easy... - request.setCanCreate(sizeof() > 0); - request.done(); - } -} |