Linked Questions

Possible Duplicate: Is there an alternative for flex/bison that is usable on 8-bit embedded systems? I wanted to make this parser for a long time now, but I don't even know where to start from. ...

It seems that GCC and LLVM-Clang are using handwritten recursive descent parsers, and not machine generated, Bison-Flex based, bottom up parsing. Could someone here please confirm that this is the ...

I want to parse a boolean expression (in C++). Input form: a and b xor (c and d or a and b); I just want to parse this expression into a tree, knowing the precedence rule (not,and,xor,or). So the ...

I want to learn how to write a lexer. My university course had an assignment where we had to write a parser (and a lexer to go along with it) but this was given to us with no instruction or feedback (...

I want to construct an AST from a list of tokens. I'm making a scripting language and I've already done the lexical analysis part, but I have no idea how to create an AST. So the question is, how do I ...

I needed some help with creating custom trees given an arithmetic expression. Say, for example, you input this arithmetic expression: (5+2)*7 The result tree should look like: * / \ + 7 /...

I am looking for source codes of parsers and/or parser generators that could be studied in order to develop further, my skills that I acquired during a school course. Do you know any recommendable ...

What sorts of algorithms would be used to do this (as in, this is a string, and I want to find the answer): ((5 + (3 + (7 * 2))) - (8 * 9)) / 72 Say someone wrote that in, how could I deal with so ...

I need to parse regular expressions into their components in PHP. I have no problem creating the regular expressions or executing them, but I want to display information about the regular expression (...

I've seen a couple of languages (namely CoffeeScript and LessCSS) that are built on Javascript. Are there tutorials anywhere for writing languages/parsers with Javascript?

The following questions Evaluating a mathematical expression in a string Equation parsing in Python Safe way to parse user-supplied mathematical formula in Python Evaluate math equations from ...

Is there an implementation of Lex and Yacc in PHP? If not, can anyone suggest a lexical analyser and parser generator (ie, anything like Lex and Yacc) that will create PHP code. I'm not too worried ...

Given a string: var str1 = "25*5+5*7"; Without using eval or the constructor function in JavaScript, how would I be able to write a function called "output" that takes in the string and outputs the ...

I know question Lex and Yacc in PHP was asked before but 1 year ago. Is there any new mature PHP parser generator now? My searches drove me to the following ones, what do you think about them, any ...

I'm looking for a good parser generator that I can use to read a custom text-file format in our large commercial app. Currently this particular file format is read with a handmade recursive parser but ...