When calling a function, the status item is represented by a The topmost item in the backtrace area shows the next step, known as the status. Tab displays the function calls on the execution stack in the code being stepped. The system creates a Stepper tool automatically when your code reaches a breakpointĭebug > Frame > Restart Frame Stepping in a Debugger tool Where a special form such as if appears in stepped code, the Stepper processes it according to the execution order in that special form. Where a macro appears in stepped code, the Stepper can macroexpand the form and step the resulting expansion, or simply step the visible inner forms of the macro form. At every call to one of your functions, you have the option of stepping into that function, that is stepping the source code definition of the function.
While stepping, you can see the evaluation of each subform, function call and the arguments and return values in each call. The Stepper tool allows you to follow the execution of your program, displaying the source code as it executes.
All Manuals > LispWorks IDE User Guide > 27 The Stepper
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