A Constraint and Object Oriented Fifth Generation Programming Language and its Compiler and Runtime System
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Since the advent of LISP, the fifth generation programming language has developed for decades. However, compared with the fourth generation programming language, the fifth generation programming language has not been widely used because of its obscure semantics, rigorous representation of problems, and limited inference ability. For this reason, COOL (Constraint and Object Ordered Language), a fifth generation programming language proposed in this paper, overcomes the problems of intuitive semantics, rigorous restrictions on handling problem conditions, and improves the inference ability of previous fifth generation programming languages. Specific improvements are as follows: First, COOL supports process-oriented and object-oriented for easy application in production projects; Second, COOL supports expression as function declaration and function return, which improves language affinity for mathematical formulas, and supports embedding function parameters into function name strings to make function naming closer to natural languages. Make mathematical problems easier to describe; Third, COOL introduces a weighting mechanism and accelerates the inference process through cumulative weighting. Fourth, COOL introduces the concepts of forward and reverse functions in programming so that computers can infer and execute problems with logical sequential constraints. Fifth, the computer can deduce the reverse solution process by using the forward solution process through the back-tracking algorithm and the dynamic programming algorithm, so that the computer can deduce the problem with time-sequential constraints. Sixth, the pre-execution step is introduced to separate the inference and function query process of the program from the execution process, so as to improve the execution speed of the program.
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