| 摘要 |
PROBLEM TO BE SOLVED: To exactly identify the phase element of a reference side graphic and the present phase element to be inputted to an instruction in re-execution, and to attain the automation of the re-execution by making mutual generation point of time phase element identifiers of phase elements identified from a history identifier. SOLUTION: A history identifier preserving means preserves a history identifier for identifying the history of an instruction generating a phase element from the history of another instruction, and a generating point of time phase element identifier preserving means preserves a generating point of time phase element identifier applied at the time of executing the instruction generating the phase element for identifying the phase element from another phase element at the time of generation for each phase element generated at the time of executing a series of instructions. At the time of re-executing the instruction, a phase element corresponding means makes the phase element of a reference side graphic in the history correspond to the phase element at a preparation side graphic by making the generating point of time phase element identifiers of the phase element at the reference side graphic in the history of one series of instructions identified from the history identifier and the phase element of the preparation side graphic in re-execution correspond to each other.
|
