Is it possible to come up with a linear grammar with unequal number of 0s and 1s? Su开发者_StackOverflow中文版ch as 0100, 01100, 111,1,0, 100101001...
How would I find the language for the following regular expressions over the alphabet {a, b}? aUb* (ab*Uc)
Have found C++ BNF and there next lines selection-statement: if ( condition ) statement if ( condition ) statement else statement
When defining the grammar for a language parser, how do you deal with things like comments (eg /* .... */) that can occur at any point in the text?
This was a homework assignment problem which I know I have incorrectly answered.I gave: S -> \'\' meaning that S yields the empty string.I know that the empty set and empty string are not the sa
What are the rules for constructing a deterministic finite automata in the form of a diagram? My professor explained by 开发者_如何学JAVAexamples, but I am not exactly sure what rules must be followed
I\'m wri开发者_开发问答ting some Extended Backus–Naur Form grammars for document parsing. There are lots of excellent guides for the syntax of these definitions, but very little online about how to d
The JSON syntax is an example of a CFG (Context free grammar). Va开发者_JS百科lid JSON strings are a sequence of tokens constrained to a CFG... or, the tokens can -equivalently- be thought of as a st
I understand how the difference between the two, how ambiguity means that t开发者_如何学Gohere is at least one string with 2 distinct parse trees while there is only one in an unambiguous tree. But I
L = ((a^n)(b^n+m)(a^m)) | n, m = 0, 1, 2...) I\'m new to context free grammar and know the basics, but I\'ve been struggling with this for a while.
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