9. A method of automatically generating a program according to claim 8, wherein said module structure diagram and said processing flow diagram are schematic diagrams and are interactively generated by use of said display unit.
8. In an information processing system having a processor, and a display unit connected to the processor; a method of automatically generating a program comprising the steps of: inputting information specifying a program structure comprising a number of modules to be generated and generating a diagram of said program structure on said display unit by said processor; inputting information specifying operations to be performed and a flow of said operation within each program modules which is a member of said module structure diagram and generating a processing flow diagram on said display unit by said processor; identifying common data of a plurality of said modules for processing each of said modules; generating program statements from said module structure diagram and said processing flow diagram based on said common data; adding statements to or deleting statements from said generated program statements, based on at least a syntax of said program; and editing said generated program statements and said added statements based on said syntax of said program.