Patent Document ID: 5533179
Application ID: 08347665

Base Claim:
1. A computer implemented method of modifying hardware description language (HDL) statements, comprising the steps of: assigning tokens for each element of an original HDL description; implementing said original HDL description as a block diagram from mappings of said tokens to structural components; modifying said original HDL description to generate a modified HDL description; detecting elements of said modified HDL description that changed and elements of said modified HDL description that stay the same; mapping said elements that changed to said block diagram; and maintaining said elements that stayed the same.

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Claim 7:
7. The computer implemented method of claim 1 wherein said modifying step includes the steps of: displaying said original HDL description by character; modifying identified tokens of said original HDL description; updating said characters of said original HDL description; and modifying said mappings of said identified tokens that differ from the original token.