Is there a good resource online with a collection of grammars for some of the major parsin开发者_开发技巧g algorithms (LL(1), LR(1), LR(0), LALR(1))?I\'ve found many individual grammars that fall into
I am reading a ring 0 privilege acquiring source code in windows XP in that code, there are 2 lines which are
Given L1 = {w belongs to {a,b}* | has as many a as b} Define a CFG G such that L(G)= L1 In my opinion these productions should be the right answer
I have an AST built 开发者_如何学运维based on a parser grammar. Now I want to search the tree to determine if specific nodes are present in the tree or not. What is the best way to do this?
If we were to interpret the Starbuck\'s mini-language menu system as some sort of grammar or state machine, woul开发者_运维百科d that grammar be Turing complete? A description of the Starbuck\'s order
I a开发者_StackOverflow中文版m trying to integrate an ANTLR-defined grammar into NetBeans, and so far valid syntax is working fine.However, currently if you enter any character that\'s not defined in
Problem 19.5 of Sudkamp\'s Languages and Machines asks the reader to verify that the grammar G : S\' -> S##
This question already has answers here: Get repeated matches with preg_match_all() (6 answers) Closed 4 years ago.
Suppose we have the input that looks like the sequence of simple English statements, each on a separate line, like these:
I\'m trying to create a very simple grammar to learn to use ANTLR but I get the following message: \"The following alternatives can never be reached: 2\"