Evaluating your expressions

The Expressions view lets you evaluate and examine the value of expressions. To show this view, choose Windows > Show View > Expressions .

Expressions view

Note: The Expressions view is similar to the Variables view; for more information, see the Inspecting variables section in this chapter.
To evaluate an expression:
  1. Right-click the Expressions view, and then choose Add Watch Expression.

    Expressions view; add expressions

  2. Enter the expression you want to evaluate (e.g. (x-5)*3 ).
  3. Click OK. The expression and its value appear in the Expressions view. When the debugger suspends the program's execution, it reevaluates all expressions and highlights the changed values.
Parent topic: More debugging features
Related concepts
Using breakpoints and watchpoints
Inspecting your registers
Inspecting a process's memory
Inspecting shared-library usage
Monitoring signal handling
Viewing your output
Interacting with GDB
Related tasks
Inspecting variables
Changing variable values
Controlling the display of variables
Changing variable to a different type
Viewing variables in memory