i\'m implementing an IDE for scheme in eclipse using DLTK. So far, i am programming the grammar to recognize the lexical structure.
I\'m trying to create an appropriate grammer for some arithmetic expressions. The valid tokens for my expressions are the following:
I have created a grammar (in grxml format开发者_高级运维) to recognize the OMV literal (with hu-hu language settings)
Is there an existing, working hosts file grammar on the web? I checked out list on http://www.antlr.org/grammar/list, but I didn\'t find it there.
I\'m confused about how context-sensitivity and ambiguity influence each other. What i think is correct is:
I am writing a grammar for a boolean calculator language. Programmes written in this language will consist of atmost one statement whose result will be boolean.
I am writing a hand-coded CSS 2.1 parsing engine (in C#), and I\'m working directly off the W3C CSS 2.1 grammar (http://www.w3.org/TR/CS开发者_运维问答S21/grammar.html). However, there\'s a token that
Is there a way to express this in a less repeative fashion with the optional positive and negative signs?
No开发者_C百科am Chomsky - formal languages - type 1 - context sensitive grammar Does AB->BA violate the rule? I assume it does.
I am very new to ANTLR and am trying to understand how the Lexer and Parser rules work. I\'m experiencing issues with a grammar I\'ve written that seem to be related to lexer tokens with multiple char