I'm trying to parse SQL INSERT statements like: INSERT INTO `Album` (`Title`, `ArtistId`) VALUES ('Blue Moods', 89); using the following grammar wr ...
I'm trying to parse SQL INSERT statements like: INSERT INTO `Album` (`Title`, `ArtistId`) VALUES ('Blue Moods', 89); using the following grammar wr ...
I'm trying to extent the SQL language of SQLite at one point (file parse.y). I have a parsing conflict, however the lemon parser does not show anythin ...
Here is a simple but very common grammar rule case in EBNF format, the Statements is a none terminal symbol and Statement is none terminal symbol: ...
Say I have a grammar like this: It compiles into JSON like this: It can match any of these strings theoretically: How do I generate an optimi ...
I need a way of generating parsers for all deterministic context-free grammars. I know that every deterministic context-free grammar can be parsed by ...
I'm creating a grammar in jison This is my jison file: sgr.jison In my lexical grammar definition i have: so, whenever in my testfile "e" ...
I'm building a parser for SML using ANTLR 4.8, and for some reason the generated parser keeps choking on integer literals: # CLASSPATH=bin ./scripts/ ...
I am feeding a (generated) grammar to Beaver parser generator. Multiple shift-reduce conflicts are caused by it seems like the dangling else problem i ...
I know how to parse grammars like this: E -> E '*' E E -> E '+' E E -> N N -> '0' N -> '1' But what if I have the following example ...
This is my current error handling function: public void yyerror(String error) { System.err.println("Error: "+ error); } This is the default err ...
I'm trying to implement parenthesis in my parser but i got conflict in my grammar. "Conflict in grammar: multiple actions possible when lookahead toke ...
How can I write a rule to parse C++ comments either on a line alone or after other code? I've tried lots of combinations, the latest one being: ...
I am trying to write a LL(1) parser generator and I am running into a issue with grammars which I know to be LL(1) but I cannot factor them properly. ...
Using the parser generator nom, how can I write a parser which extracts the difference of the minus sign in the terms 1-2 and 1*-2 ? In the first exa ...
I'm trying out the happy parser generator of Haskell. After generating the module in happy.hs (no problem while generating!), I run the command ghc ha ...
I try a bit the parser generators with Haskell, using Happy here. I used to use parser combinators before, such as Parsec, and one thing I can't achie ...
I am trying to make a simple calculator using Jacc (a parser generator). I first need to create an AST and visit its nodes to make a Graphviz graph of ...
I am planning to implement a meta language on top of Xtext. In other words, I am using the Xtext grammar to define my own meta language. This meta lan ...
I'm generating listeners in Python, but any language is ok for answers or comments. I need to know if there's some reference to where in the parsing ...
I'm trying to covert this BNF grammar for validating boolean expression which is currently being used in Swift. Now want to implement similar parser i ...