Stack

Stack[]

shows the current evaluation stack, giving a list of the tags associated with evaluations that are currently being done.

Stack[pattern]

gives a list of expressions currently being evaluated which match the pattern.

Details

  • Stack[_] shows all expressions currently being evaluated.
  • You can call Stack from inside a dialog to see how the dialog was reached.
  • In the list returned by Stack[pattern], each expression is wrapped with HoldForm.
  • The maximum length of Stack[] is limited by $RecursionLimit.
  • Stack has attribute HoldFirst.

Examples

open allclose all

Basic Examples  (2)

Print the stack where the Stack command is being evaluated:

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Print the detailed stack contents including function arguments:

In[1]:=
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Out[1]=

Scope  (1)

See Also

StackBegin  StackComplete  StackInhibit  Trace

Tutorials

Introduced in 1991
(2.0)