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Expression processing method and device, equipment and computer-readable storage medium

A technology for processing methods and expressions, which is applied in the field of computer data processing, and can solve problems such as the inability of expressions to call function objects

Active Publication Date: 2018-09-04
PING AN TECH (SHENZHEN) CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] The present invention provides an expression processing method, device, equipment and computer-readable storage medium, aiming to solve the problem that the expression cannot call the function object after format conversion

Method used

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  • Expression processing method and device, equipment and computer-readable storage medium
  • Expression processing method and device, equipment and computer-readable storage medium
  • Expression processing method and device, equipment and computer-readable storage medium

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Embodiment Construction

[0029] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are some of the embodiments of the present invention, but not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0030] It should be understood that when used in this specification and the appended claims, the terms "comprising" and "comprises" indicate the presence of described features, integers, steps, operations, elements and / or components, but do not exclude one or The presence or addition of one or more other features, integers, steps, operations, elements, components and / or collections thereof.

[0031] It should also be understood that the terminolog...

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Abstract

The embodiment of the invention provides an expression processing method and device, equipment and a computer-readable storage medium. The method includes: parsing an expression to obtain an expression object in the expression; obtaining types of expression objects; carrying out an inverse Polish rotation on the expression according to the types of the expression objects to generate an inverse Polish expression; and executing the inverse Polish expression to generate an execution result. By implementing the embodiment of the invention, a conversion manner of the expression can be optimized, the problem that function objects cannot be called after format conversion is solved, and expansibility and execution efficiency of the expression are improved.

Description

technical field [0001] The present invention relates to the field of computer data processing, in particular to an expression processing method, device, equipment and computer-readable storage medium. Background technique [0002] A computer program is a list of instructions describing the actions performed by a computer or processor-based device. When a computer program is loaded and executed on computer hardware, the computer will follow the instructions of the computer program to operate in a predetermined manner. A large number of expressions are used in computer programs. Expressions are sequences of operators and operands. For example, expressions can be "3+2". In the process of the computer executing the expression, the computer cannot recognize the expression written in natural language, so it is necessary to perform corresponding format conversion on the expression for the computer to read, but the format conversion of the expression in the prior art can only Conv...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F8/40G06F8/41
CPCG06F8/40G06F8/427
Inventor 彭明强
Owner PING AN TECH (SHENZHEN) CO LTD
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