资 源 简 介
LL(1)文法使用的是确定的自顶向下的分析技术。LL(1)的含义是:第一个L表明自顶向下分析是从左向右扫描输入串,第2个L表明分析过程中将使用最左推导,1表明只需向右看一个符号便可决定如何推导,即选择哪个产生式(规则)进行推导。
LL(1)文法的判别需要依次计算FIRST集、FOLLOW集和SELLECT集,然后判断是否为LL(1)文法,最后再进行句子分析。
-LL (1) grammar using a set top-down analysis techniques. LL (1) the meaning is: the first one L shows a top-down analysis is a scan input string from left to right, the first two L shows the analysis process will be the most left-derivation, one that will be just right to see a sign can decide how to derive, choose what Production (rules) for derivation. LL (1) grammar, followed by calculation of the discriminant needs FIRST sets, FOLLOW sets and SELLECT set, and then determine whether to LL (1) grammar, the last sentence further analysis.
文 件 列 表
SimpleLL1
bin
obj
SimpleLL1.csproj
SimpleLL1.csproj.user
SimpleLL1_Model.tgs
SymbolSet.cs
Tools.cs
App.ico
AssemblyInfo.cs
frmMain.cs
frmMain.resx
Product.cs
SimpleLL1.sln
SimpleLL1.suo
EXE
html
AxInterop.SHDocVw.dll
Interop.SHDocVw.dll
SimpleLL1.exe
LL(1)文法判定.doc
Products1.txt
Products2.txt
Products3.txt
Products4.txt
readme.txt
Symbols.txt