In formal language theory, a context-free grammar (CFG) is a grammar subject to a special constraint: that the left-hand side (LHS) consist of a single non-terminal symbol.
Suppose I have the following CFG. A -> B | Cx | EPSILON B -> C | yA C -> …
compiler-construction context-free-grammarDoes anyone have a good tool for drawing parse trees arising from a context-free grammar? There is this question, but …
graphviz context-free-grammar parse-treeI have the following grammar, which I'm told is LR(1) but not SLR(1): S ::= a A | b A c | d …
parsing grammar conflict context-free-grammar lrI'm studying for a finite automata & grammars test and I'm stuck with this question: Construct a grammar that generates …
grammar context-free-grammar automataI'm working on a non-English parser with Unicode characters. For that, I decided to use NLTK. But it requires a …
python parsing nlp nltk context-free-grammarIt seems that recursive-descent parsers are not only the simplest to explain, but also the simplest to design and maintain. …
parsing context-free-grammarI read multiple answers that state if a language is not context free, then its complement is context free (correct …
complexity-theory context-free-grammar formal-languages context-free-languageHow can a formal context free grammar be generated for the following language: {ai bjck | i != j or j != k} …
context-free-grammar automataWhich is the procedure steps to find the regular expression that accept the same language of a given Grammar? S …
context-free-grammar regular-language left-recursion automata-theoryThis was a homework assignment problem which I know I have incorrectly answered. I gave: S -> '' meaning …
grammar context-free-grammar