what syntax tree

# Compilers Principles# reading Notes# 2016.02.03# Victor1 Introduction1.1 Compilation processBegin: Source program# Front end: related to source codeA. Character Stream-->[lexical analysis]-->B. Symbolic stream-->[syntax analysis]-->C. Syntax tree--

Mop These dynamic behaviors are governed by the metaobject protocol (MOP) that each of these versions implements in their runtime. the metaobject protocol of a language defines the semantics of the extensibility of the language artifacts. take a

A brief talk on PHP Automation code auditing Technology and the automatic audit of PHP Source: Exploit Welcome to share the original to Bole headlines 0x00 Because there is nothing to update the blog, I will do the current things to summarize, as

Directory Create type 1. Factory method (Factory methods) 2. Abstract Factory (Abstraction Factory) 3. Builder (Builders) 4. Prototype (prototype) 5. Singleton (single case) Structural type 6. Adapter

ArticleDirectory (1) Introduction (2) lexical analysis (3) syntax analysis and abstract syntax tree (4) intermediate code and Virtual Machine (1) Introduction Updating .. (2) lexical analysis Introduction Variable, String,

1. reentrant function(1) Do not use static variables and global non-const variables(2) Do not use locks(3) Do not call any non-reentrant functions(4) Use volatile to prevent register cache variablesSee aslo:The chaotic execution of the CPU will make

When jQuery 1.5 was released, john resig said that the code optimization program was switched from Google Closure to UglifyJS. The compression effect of the new tool was very satisfactory. UglifyJS is a server node. js compression program. I tested

[Software construction] Chapter 1 multi-dimensional view of software architectureChapter 1 multidimensional view Outline constructed by software Describes three dimensions of a software system. Phase: build-time & run-time Dynamic:

Android runtime ART brief introduction and learning plan, androidart Android has launched a new runtime ART in 4.4 to replace Dalvik, which has been used for some time. However, it was still a test version and the main character was Dalvik. It was

In the last three months, Ned Batchelder and I spent a lot of time doing byterun. It is a Python bytecode interpreter written in Python. The process of doing byterun is very interesting and I have gained a lot of knowledge. At the end of this series

Javascript importanceUsage1. In web applications, javascript is used in front-end interface programming;2. Web2.0 and Ajax promote the javascript language.3. As a large number of c/s applications turn to B/s, the rich client technology will be

JavaScript Basics – Scope What is scopeA scope defines a series of rules for where a variable is found and how it is found . Usually we define a variable in JS with a certain range of calls, such as global variables can be called anywhere, and this

This semester compiling the principle of a big job, my topic is arithmetic expression of the word French and French semantic analysis, at that time because of the comparative slag, only the recursive descent method was analyzed.First, the user

Lucene is generally: An efficient, extensible, full-text retrieval library. All implemented in Java, without configuration. Only plain text files are supported for indexing (indexing) and search. It is not responsible for

About PHP The development history of the 20; The most popular web development language to date; More than 82% of websites use PHP as their service-side development language; Introduction to New features

The Interpreter (Interpreter) mode, which includes a syntactic representation with a composite class layered structure, the rule is mapped to the class, the expressions following the syntax can be converted into an abstract syntax tree. Except for

Lucene is generally: An efficient, extensible, full-text retrieval library. All implemented in Java, without configuration. Only plain text files are supported for indexing (indexing) and search. It is not responsible for

Source code (. java file) ---> analysis (lexical and syntax analysis) and filling symbol table ---> annotation processing ---> Semantic Analysis and bytecode generation (. class file) lexical analysis: converts the source code into a Token set,

Use Boost. Spirit. X3, boostmsvc in msvcPreface "Examples of designs that meet most of the criteria for" goodness "(easy to understand, flexible, efficient) are a recursive-descent parser, which is traditional procedural code. another example is the

Problem focus: when designing a system, a common practice is to divide it into several small systems and collaborate with each other to form a large system. So what do you need to pay attention to when designing these minor systems? Why does the