[ Course Documents ] : [ Implementing Subprograms ]

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Subprograms as Parameters

• For deep binding:
  • Static chain
    • Compiler simply passes the link to the static parent of the parameter, along with the parameter
  • Display
    • All pointers to static ancestors must be saved, because none are necessarily in the environment of the parameter
    • In many implementations, the whole display is saved for calls that pass subprogram parameters