Expressions view allows inspecting data when a 4gl program is run in the Debug mode.
Expression view is not included by default to the Debug perspective.
It opens automatically when an item is added to the view. You can also open from Window > Show view >Expressions.
Detail pane displays more information about the entries in the Expressions view.
Expression view toolbar contains these buttons:
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Show Type Names |
shows the types of expressions (this option is not available if Show columns in Layout is enabled) |
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Show Logical Structure |
allows selecting the format for showing logical structure of the selected expressions |
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Collapse All |
collapses all the expanded expressions |
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Create a New Watch Expression |
allows adding watch expressions:
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Remote Selected Expressions |
deletes the selected expressions (they can be also removed with Delete button) |
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Remote All Expressions |
deletes all the selected expressions |
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Open New View |
allows opening more Expressions views (are displayed in the bottom part of the Debug perspective):
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You can open as many Expressions views as you need.
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View menu |
opens the drop-down menu ↓ :
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Minimize |
minimizes the view |
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Maximize |
maximizes the view |
From the drop-down menu of the Expressions view, you can perform these actions:
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Layout |
changes the mutual layout of the expressions list and their details pane:
Vertical - details pane opens on the right from the list of expressions Horizontal - details pane opens in the bottom of the view Automatic - details pane opens in the whitespace (vertical or horizontal depending on the available space) Variables View Only - removes the details pane Show Columns - shows columns in the view Select Columns - allows selecting columns to be displayed in the view (Name, Declared Type, Value, Actual Type):
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Java |
allows manipulating variables of a Java program (read more here):
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Certain toolbar buttons - Create a New Watch Expression, Remote Selected Expressions, Remote All Expressions - are duplicated in the context menu.
From the context menu of the Debug view, you can perform these actions:
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Select All |
allows selecting all the expressions in the scope |
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Copy Expressions |
copies the selected expressions |
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Find |
allows finding the necessary expression in the scope |
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Disable |
disables the selected expression:
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Enable |
enables the selected expression |
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Edit Watch Expression |
allows editing new watch expressions:
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Reevaluate Watch Expression |
allows reevaluating watch expressions |
Related articles:
Debug group of the main toolbar
