syntax tree

The 23 gof design modes are generally divided into three categories: Creation Mode, structure mode, and behavior mode. The Creation Mode abstracts the instantiation process, which helps a system to create, combine, and express its objects

This blog introduces the parsing mechanism of JavaScript. The parsing process of JavaScript is divided into two phases: Compilation and execution. Compiling here refers to the Javascript preprocessing (pre-compilation ). During the pre-compilation

The Java compiler is generally divided into the front-end compiler, the JIT (just in time compiler) compiler, the AOT (Ahead of Time compiler) compiler three. Front-end compilers: compilers that compile Java files into class files,

PHP7 to the depth of Zend optimization, so that PHP7 speed greatly increased, nearly 5 times times faster than php5.0~5.6, but also reduce the use of PHP system resourcesThe following is a few changes PHP7 than the larger:1, abstract syntax tree:

Are you planning to optimize the Hashcode () method? Do you want to bypass the regular expression? Lukas Eder introduces a number of simple and convenient performance optimization tips as well as extension program performance techniques.Recently,

The example of this article analyzes the use of JavaScript scoped chain (scope Chain). Share to everyone for your reference, specific as follows: About the scope of JS chain, has been heard, and have seen several introductory blog, but has always

Currently in the traditional software development domain DSL has been more common, especially Martin Fowler's outstanding contributions. But in the front-end area is still less involved, and if the use of DSL in front-end development can also

This article gives you the content is about the new features in the PHP7 summary, there is a certain reference value, the need for a friend can refer to, I hope you have some help. PHP7 has been published to now for nearly three years, and has now

　　 I. Introduction In fact, there is no good example to introduce the interpreter mode, because it describes how to form a simple language interpreter, mainly used in the use of object-oriented language development compilers; in practical

Why should we set up compilation principles for university courses? This course focuses on the Compiler Principles and technical issues, and seems to be irrelevant to the basic field of computer science. However, the compilation principle has always

Why should we set up compilation principles for university courses? This course focuses on the Compiler Principles and technical issues, and seems to be irrelevant to the basic field of computer science. However, the compilation principle has always

  LargeWhy should we set up compilation principles for the course? This course focuses on the Compiler Principles and technical issues, and seems to be irrelevant to the basic field of computer science. However, the compilation principle has always

Why do college courses offer the principle of compiling? This course focuses on the compiler aspects of the production principle and technical problems, it seems that the basic field of computer is not close, but the compilation principle has been

Http://www.artima.com/scalazine/articles/pattern_matching.htmlThis article is a Odersky talk about pattern matching in Scala, and I did part of the fragment translation (not coherent):Patterns can be nested, like nested expressions, and you can

1. ScopeJavascript scopes can be summarized in one sentence: two types of scopes (global, function) and three scope chains.You need to understand the following two concepts before understanding them:1) JavaScript is a lexical scope. When a function

Written in front JDK & JREThe JRE (Java Runtime enviroment) is the Java Runtime environment. for users of Java programs, not developers . If you download and install only the JRE, your system can only run Java programs. The JRE is the set of

This chapter focuses on: 1, jvm:      How to compile Java code into a class file.       How to load class files and how to execute class files.     JVM How to allocate and recycle memory.     JVM Multithreading: The mechanism of thread resource

First, browser kernel-rendering engineRendering is the process of building a mathematical model and generating an image based on a description or definition.The main purpose of the browser kernel is to turn the page into a visual/audible multimedia

Design One, primer In fact, there is no good example to introduce the interpreter pattern, because it describes how to form a simple language interpreter, the main application in the use of object-oriented language development compiler; In

what is hive. Data warehousing: Storing, querying, and analyzing large-scale datasql language: Easy-to-use class SQL query languageO Programming Model: Allows developers to customize UDFs, Transform, Mapper, and Reducer to make it easier to do work