## Action Commands

Many types of actions can be driven by understand_ada. For example, -filter, -jumpto, -ib, -ibnew, -gv, -gvnew, -edit_src, -edit, and -editnew options can be used together to control how the interface appears when it opens.

- -addfile “filename” - Add the specified file to the specified or open database.
- -delfile “filename” - Remove the specified file from the specified or open database.
- -edit_src - Open the declaration source for the specified entity. This is the same as double-clicking an entity in Understand.
- -edit “menu_string” - Open the source of the specified entity for editing. The menu_string specifies which source for the entity is opened. Valid menu_strings are listed in the following table.

  Entity Menu Strings for Ada
  Body Declaration
  Declaration
  File
  Generic Body Declaration
  Generic Declaration
  Generic Spec Declaration
  Incomplete Declaration
  Instantiation Declaration
  Private Declaration
  Spec Declaration
  Stub Declaration

- -editnew “menu_string” - Open the source of the specified entity for editing in a new source window. On Windows, this is available only in Single Document Interface (SDI) mode, which is described in Using an External Editor. The menu_string (listed for -edit) specifies which source to open.
- -entitymenu - Pop up the entity menu for the specified entity at the current cursor position. A Dismiss Menu item is added to the menu as a way to deselect the menu in the other application.
- -filter “filter_tab” - Selects the specified tab in the Filter Area in the Understand for Ada interface.
- -gv “graphical_menu_string” - Show the specified graphical view for the specified entity. See below for list of possible values for graphical_menu_string.
- -gvnew “graphical_menu_string” - Show the specified graphical view for the specified entity in a new graphic window. See below for list of possible values for graphical_menu_string.

  Graphical Menu Strings for ADA
  Callby
  Child Lib Units
  Declaration
  Declaration Tree
  Declared In
  Instantiated From
  Instantiations
  Invocation
  Parent Declaration
  Parent Lib Unit
  Type Derived From
  Type Tree
  With
  Withby

- -ib - Load the Info Browser with the specified entity.
- -ibnew - Bring up a new Info Browser and load with the specified entity. This is the same action as occurs in Understand when the “Reuse” button is not checked.
- -locator - Opens the Locate Entities dialog. If -name is specified, it is used as the entity name filter.
- -jumpto “entityname or begins with string” - Jumps to the first entity that begins with specified string in the current or specified (with -filter) tab of the Filter Area in Understand for Ada. The -jumpto option also sets the current entity for use by the -ib, -ibnew, -gv, -gvnew, -edit_src, -edit, and -editnew options.
- -metrics - Generates metrics for the open or specified project.
- -refresh - Refreshes the currently open or specified database. Has the same effect as the Project->Analyze Changed Files command.
- -rebuild - Rebuilds the entire open or specified database. Has the same effect as the Project->Analyze All Files command.
- -reports - Generates the currently specified set of reports. Uses the most settings in the Report Configuration dialog.
- -shortcut command1 [command2...] - Specifies keyboard commands to process. The commands use the same names as the Keyboard tab of the Software Preferences dialog. If multiple commands are passed, they are processed in the order sent. This provides a way to execute the equivalent of startup macros.
- -suppress - Hides any errors generated as a result of the command line.

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