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Author:halw
Date:2009-01-20T18:56:06.000000Z git-svn-id: https://svn.eiffel.com/eiffel-org/trunk@166 abb3cda0-5349-4a8f-a601-0c33ac3a8c38
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halw
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[[Property:title|Attribute symbols]]
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[[Property:weight|1]]
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[[Property:uuid|6dfbde5d-3423-4f10-6569-30af2ba00dd1]]
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In both trees of the [[Objects tool: Introduction|object tool]] , objects are displayed. Two categories are made for each objects: its attributes (grouped under the `attributes' folder [[Image:feature-attribute-icon]] ) and its once routines (grouped under the `once routines' folder [[Image:feature-once-icon]] ).
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In both trees of the [[Object tool|object tool]] , objects are displayed. Two categories are made for each objects: its attributes (grouped under the `attributes' folder [[Image:feature-attribute-icon]] ) and its once routines (grouped under the `once routines' folder [[Image:feature-once-icon]] ).
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All follow the following symbol scheme to describe the kind of each item:
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* [[Image:debugger-object-immediate-icon]] An attribute of a basic type, such as <eiffel>[/libraries/base/reference/kernel/integer_chart.xml| INTEGER ]</eiffel>, <eiffel>[/libraries/base/reference/kernel/classic/double_chart.xml| DOUBLE ]</eiffel>,...
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[[Property:title|Debug output]]
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[[Property:weight|2]]
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[[Property:uuid|41544c3b-e1f1-53a5-ff63-e63224c32fa3]]
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In both grids of the [[Objects tool: Introduction|object tool]] , objects are displayed. For virtually all objects, it is possible to display a user-definable string value next to the object address.
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In both grids of the [[Object tool|object tool]], objects are displayed. For virtually all objects, it is possible to display a user-definable string value next to the object address.
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To do so, inherit from the class <eiffel>DEBUG_OUTPUT</eiffel> in the classes that should let their objects display a string value, and implement the `debug_output' feature. At run-time, the debugger will automatically query the result of this feature on all objects that define it and display it in the object tool and the [[Expression evaluation|evaluation tool]] .
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The object tool is a debugging tool that displays extended dynamic information concerning one or several objects while debugging an application. This information includes the value of all their attributes, as well as the values of the once functions that have already been called.
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By default it is composed of one grid, which gives information about the [[Call stack tool|current stack element]] . Namely, it provides the Current object value, the arguments' value of corresponding feature, the value of the local variables, as well as the value of the Result (if this feature is a function).
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By default it is composed of one grid, which gives information about the [[Call stack tool|current stack element]]. Namely, it provides the Current object value, the arguments' values of the current stack element's feature call, the values of the local variables, as well as the value of the Result (if this feature is a function).
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When an exception occurs (for instance, an assertion violation), the objects tool will also display the exception information:
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<center> [[Image:objects-tool-exception]] </center>
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[[Image:objects-tool-exception]]
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'''Specific case for .NET system :''' when the system is stopped, the first item of the local view displays the module name for the feature where we are stopped.
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All objects can be expanded to see the value of their attributes. They are also pickable, so that it is possible to drop them onto the '''objects tool''' , an [[Expression evaluation|expression evaluator tool]] (alias Watch tools), or an editor. <br/>
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It is also possible to use the [[Set slice size command|set slice size command]] with [[ref:/libraries/base/reference/special_chart]] objects or [[ref:/libraries/base/reference/native_array_chart]] (dotnet) objects.
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All objects can be expanded to see the value of their attributes. They are also pickable, so that it is possible to drop them onto the '''objects tool''', an [[Expression evaluation|expression evaluator tool]] (alias Watch tools), or an editor. <br/>
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It is also possible to use the [[Set slice size command|set slice size command]] with [[ref:/libraries/base/reference/special_chart|SPECIAL]] objects or [[ref:/libraries/base/reference/native_array_chart|NATIVE_ARRAY]] (.NET) objects.
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@@ -28,7 +30,9 @@ It is also possible to use the [[Set slice size command|set slice size command]]
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'''Tips:'''<br/>
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The tool's layout can be customized to have 2 side-by-side "left" and "right" grids holding the various information. This can be done using the button ( [[Image:toolbar-dropdown-icon]] ) from the tool bar which open the objects tool menu and then select "Edit Layout".
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<center> [[Image:object-tool-layout-editor]] </center>
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[[Image:object-tool-layout-editor]]
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{{note| By default, the object tool displays the full generating type for object, but this can be changed for speed concern in the [[Debugging preferences|preferences]] . The same way, through the [[Debugging preferences|preferences]] , the user can enable or disable the evaluation of the [[Debug output|Debug Output]] feature .}}
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[[Property:title|Remove object command]]
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[[Property:weight|5]]
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[[Property:uuid|42b5ea32-ef9c-207f-7dbe-c871a4515db3]]
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Located in the [[Objects tool: Introduction|object tool]] toolbar, this command [[Image:general-delete-icon]] discards an object from the [[Objects tool: Introduction|object tools]] . All top-level objects can be removed, except the first one, which is the object relative to the [[Call stack tool|current call stack element]] .
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Located in the [[Object tool|object tool]] toolbar, this command [[Image:general-delete-icon]] discards an object from the [[Object tool|object tool]]. All top-level objects can be removed, except the first one, which is the object relative to the [[Call stack tool|current call stack element]] .
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Left-clicking on this button removes the selected object from the [[Objects tool: Introduction|object tools]] , if possible. It is also possible to [[Pick-and-drop mechanism|drop]] an object onto the button to remove the object.
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Left-clicking on this button removes the selected object from the [[Object tool|object tool]], if possible. It is also possible to [[Pick-and-drop mechanism|drop]] an object onto the button to remove the object.
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@@ -2,7 +2,7 @@
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[[Property:weight|3]]
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[[Property:uuid|ce2469a3-cf00-554e-47bd-5e8b2fdbc783]]
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Located in the object tool toolbar, this command [[Image:debugger-set-sizes-icon]] changes the display size of special objects (i.e. objects whose class is [[ref:/libraries/base/reference/special_chart]] ).Since special objects may contain thousands of attributes, only the first fifty are displayed by default. If left-clicked, a dialog is popped up that sets the exploration indices of special objects that will be loaded in the future. <br/>
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This popup also shows the "Maximum displayed string size" in the grid ([[Objects tool: Introduction|objects tool]] , or the [[Expression evaluation|watch tools]] ).
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This popup also shows the "Maximum displayed string size" in the grid ([[Object tool|object tool]], or the [[Expression evaluation|watch tools]] ).
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This dialog changes the settings for future special objects:
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