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Method and system for generating and displaying a computer program

  • US 5,790,863 A
  • Filed: 11/08/1996
  • Issued: 08/04/1998
  • Est. Priority Date: 10/29/1993
  • Status: Expired due to Term
First Claim
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1. A method in a computer system for specifying a computer program, the computer program being represented by a program tree, the program tree being a tree data structure having nodes, each node representing a computational construct of the computer program, the method comprising:

  • initializing the program tree to contain a root node representing a computational construct that contains all other computational constructs of the computer program; and

    repeating the following until all computational constructs of the computer program are represented by nodes contained in the program tree,displaying a representation of the computer program represented by the nodes currently contained in the program tree by, for each of the nodes currently contained in the program tree, selecting the computational construct represented by the node, and displaying to a user a representation of the selected computational construct;

    receiving from the user an indication of an insertion point relative to the displayed representations of the computational constructs, the insertion point indicating a position within the program tree;

    receiving from the user an identification of a computational construct to be added to the computer program; and

    in response to receiving the identification of the computational construct, creating a node that represents the identified computational construct and adding the node to the program tree at the insertion point indicated by the userwhereby the program tree contains a specification of the computer program.

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