Package ghidra.app.util.viewer.field

Class MemoryBlockStartFieldFactory

java.lang.Object

ghidra.app.util.viewer.field.FieldFactory

ghidra.app.util.viewer.field.MemoryBlockStartFieldFactory

All Implemented Interfaces:

ExtensionPoint

public class MemoryBlockStartFieldFactory
extends FieldFactory

Generates a text label on each CodeUnit that marks the start of a memory block. The label will appear as part of the PLATE group in the field map.

Field Summary

Fields inherited from class ghidra.app.util.viewer.field.FieldFactory

BASE_LISTING_FONT_ID, baseFont, colorOptionName, enabled, FONT_OPTION_NAME, hlProvider, model, name, startX, style, styleOptionName, width

Constructor Summary

Constructors

Constructor	Description
MemoryBlockStartFieldFactory()	Constructor

Method Summary

Modifier and Type	Method	Description
boolean	acceptsType(int category, Class<?> proxyObjectClass)	Used to specify which format models this field can belong to.
protected List<AttributedString>	createBlockStartText(CodeUnit cu)
ListingField	getField(ProxyObj<?> proxy, int varWidth)	Generates a Field based on the given information.
FieldLocation	getFieldLocation(ListingField listingField, BigInteger index, int fieldNum, ProgramLocation programLoc)	Overridden to ensure that we only place block comments on the first CodeUnit of the block.
ProgramLocation	getProgramLocation(int row, int col, ListingField bf)	Overridden to ensure that we return a MemoryBlockStartFieldLocation instance.
FieldFactory	newInstance(FieldFormatModel formatModel, ListingHighlightProvider provider, ToolOptions displayOptions, ToolOptions fieldOptions)	Returns a new instance of this FieldFactory that can be used to generate fields instead of being used as a prototype.

Methods inherited from class ghidra.app.util.viewer.field.FieldFactory

displayOptionsChanged, fieldOptionsChanged, getFieldModel, getFieldName, getFieldText, getMetrics, getMetrics, getStartX, getWidth, hasSamePath, initDisplayOptions, initFieldOptions, isEnabled, servicesChanged, setEnabled, setStartX, setWidth, simplifyTemplates, supportsLocation

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

MemoryBlockStartFieldFactory

public MemoryBlockStartFieldFactory()

Constructor

Method Details

getField

public ListingField getField(ProxyObj<?> proxy,
 int varWidth)

Description copied from class: FieldFactory

Generates a Field based on the given information.

Specified by:

getField in class FieldFactory

Parameters:

proxy - The object that the generated field will report some information about.

varWidth - the additional distance along the x axis to place the generated field.

Returns:

the newly generated FactoryField that shows some property or information about the given object.

See Also:

• FieldFactory.getField(ProxyObj, int)

getProgramLocation

public ProgramLocation getProgramLocation(int row,
 int col,
 ListingField bf)

Overridden to ensure that we return a MemoryBlockStartFieldLocation instance.

Specified by:

getProgramLocation in class FieldFactory

Parameters:

row - the row within this field

col - the col on the given row within this field.

bf - the ListingField containing the cursor.

Returns:

the location.

See Also:

• FieldFactory.getProgramLocation(int, int, ghidra.app.util.viewer.field.ListingField)

getFieldLocation

public FieldLocation getFieldLocation(ListingField listingField,
 BigInteger index,
 int fieldNum,
 ProgramLocation programLoc)

Overridden to ensure that we only place block comments on the first CodeUnit of the block.

Specified by:

getFieldLocation in class FieldFactory

Parameters:

listingField - the ListingField at the current cursor.

index - the line index (corresponds to an address)

fieldNum - the index of field within the layout to try and get a FieldLocation.

programLoc - the ProgramLocation to be converted into a FieldLocation.

Returns:

the location.

See Also:

• FieldFactory.getFieldLocation(ghidra.app.util.viewer.field.ListingField, BigInteger, int, ghidra.program.util.ProgramLocation)

acceptsType

public boolean acceptsType(int category,
 Class<?> proxyObjectClass)

Description copied from class: FieldFactory

Used to specify which format models this field can belong to.

Specified by:

acceptsType in class FieldFactory

Parameters:

category - the category for this field

proxyObjectClass - the type of proxy object used by this field

Returns:

true if this class accepts the given category.

See Also:

• FieldFactory.acceptsType(int, java.lang.Class)

newInstance

public FieldFactory newInstance(FieldFormatModel formatModel,
 ListingHighlightProvider provider,
 ToolOptions displayOptions,
 ToolOptions fieldOptions)

Description copied from class: FieldFactory

Returns a new instance of this FieldFactory that can be used to generate fields instead of being used as a prototype.

Specified by:

newInstance in class FieldFactory

Parameters:

formatModel - the model that the field belongs to.

provider - the HightLightProvider.

displayOptions - the Options for display properties.

fieldOptions - the Options for field specific properties.

Returns:

the factory

createBlockStartText

protected List<AttributedString> createBlockStartText(CodeUnit cu)