| 摘要 |
PROBLEM TO BE SOLVED: To accessibly execute the highlighted display or the discriminated display of a code even the codes are dispersed into plural functions or code blocks of a lower order while keeping the interrelationships to support the coding work by a programmer. SOLUTION: The token and syntax are analyzed by a token analyzing part 2, and a syntax analyzing part 3 to an input program source file 1, and on the basis of a result of the analysis, only a code block relating to a specified token is displayed, a display color of the code block relating to the specified token is changed, or the discrimination display such as tree display is executed, to discriminate the code block relating to the specific token in the input program source file from the other part by using a color image plane display device 7 in accordance with the discrimination display mode determined by a user by means of a user determining means 3.
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