Watch Expressions GNU Emacs Manual — Volkswagen Pointer I

26 мая 2015 | Author: | Комментарии к записи Watch Expressions GNU Emacs Manual — Volkswagen Pointer I отключены


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27.6.5.7 Watch Expressions

If you to see how a variable changes each your program stops, point into the variable and click on the watch icon in the bar ( gud-watch ) or type C-x C-a C-w. If you a prefix argument, you can enter the name in the minibuffer.

Each watch expression is in the speedbar (see Speedbar ). data types, such as structures and unions are represented in a format. Leaves and simple types show the name of the and its value and, when the frame is selected, display the as a tooltip. Higher levels the name, type and address for pointers and just the name and otherwise. Root expressions display the frame address as a to help identify the frame in they were defined.

To expand or contract a complex type, click Mouse-2 or on the tag to the left of the expression. Emacs for confirmation before expanding the if its number of immediate children the value of the variable gdb-max-children .

To a complex watch expression, point to the root expression in the and type D ( gdb-var-delete ).

To edit a variable with a data type, or a simple of a complex data type, point there in the speedbar and ( gdb-edit-value ). Or you can click Mouse-2 on a to edit it. Either way, reads the new value using the

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If you set the variable gdb-show-changed-values to non- nil default value), Emacs font-lock-warning-face to highlight values have recently changed and face to make variables have gone out of scope noticeable. When a variable out of scope you can’t edit its

If the variable gdb-delete-out-of-scope is non- nil default value), Emacs deletes watch expressions go out of scope. Sometimes, when the same function, it may be useful to set value to nil so that you don’t to recreate the watch expression.

If the gdb-use-colon-colon-notation is non- nil. uses the ‘ function. ’ format. This the user to display watch which share the same name. The default value is nil .

To automatically raise the speedbar time the display of watch updates, set gdb-speedbar-auto-raise to non- This can be useful if you are debugging a full screen Emacs

Volkswagen Pointer I
Volkswagen Pointer I

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