JSON (JavaScript Object Notation) is a lightweight data interchange format. It is based on a subset of ECMAScript. JSON takes a completely language-independent text format, but also uses a similar idiom to the C language family (c, C + +, C #,
6.3 first recognized class
Class introduces some new syntax: three new object types and some new semantics.6.3.1 class definition syntax
The simplest form of class definition is as follows:
Class ClassName:
.
.
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The class definition is the
[Longshu Note] introduction to basic concepts involved in syntax analysis
This document is my understanding of sections 2.3-2.5 of longshu. It mainly introduces many basic concepts of syntax analysis on the compiler front-end. The next note will be
1. view definition
A view, also known as a virtual table, does not occupy physical space. This is also a relative concept, because the definition statements of the view must be stored in the data dictionary. The view is only logically defined. Every
The Declaration tells the compiler some information to assist the compiler in syntax analysis and avoid compiler errors. The definition is to tell the compiler to generate some code that will be used by the connector. That is, the Declaration is for
1. syntax definition
1) grammar: defines and describes the language structure. That is, it is called "Grammar" (or "Syntax") that is used to describe and specify the language structure in the form, but notSemantic issues.
For example, I am a college
compiler compiles a program, it compiles only one source file and generates the corresponding intermediate file (for the VC, the. obj file), and then the connector unifies all intermediate files to form an executable file. The problem is that when
Objective-CBasic syntaxClassDefinition is the content to be introduced in this article,Objective-CIs an object-oriented language, soClassIs the basis.Objective-CIt is the super of C, but its syntax is a little different from that of C, especially
Overview Brief Introduction MarkdownMarkdown is a lightweight markup language that allows people to write documents in easy-to-read, easy-to-write, plain text format and then convert them into rich HTML pages. --from [Wikipedia]Simply put, markdown
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Setext form
ATX Form
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Emphasize
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