S -> bA|aB A -> a|aS|bAA B ->开发者_如何学编程 b|bS|aBB Any easy method other than trying to find a string that would generate two parse trees ?
I\'ve looked at the Bison help and have written this, but I\'m not sure it\'s completely correct. Also i need an yylex() that handle Lexical Analyzer (It should be Flex tool). I know some basic things
This question already has answers here: Closed 12 years ago. Possible Duplicates: Can someone explain the dollar sign in Javascript?
I am writing a small command language. The language开发者_StackOverflow has a few simple commands, which can be composed to make complex ones. For example, if we have commands fry an egg, make a sandw
I\'m writing a Lisp to C translator and I have a problem with handling strings. This is a code that transforms an unary Lisp function to a C equivalent:
I need to parse algebraic expressions for an application I\'m working on and am hoping to garnish a bit of collective wisdom before taking a crack at it and, possibly, heading down the wrong road.
I am trying to build a DCG which recognizes all lists which match this form : a^n b^2m c^2m d^n开发者_Python百科.
I understand that the Perl syntax is ambiguous and that its disambiguation is non-trivial (sometimes involving execution of code duri开发者_JAVA技巧ng the compile phase). Regardless, does Perl have a
how does the structure of an external vxml grammar looks like? at the moment i have following inline grammar:
I have a database of nouns (ex \"house\", \"exclamation point\", \"apple\") that I need to output and describe in my application. It\'s hard to put together a natural-sounding sentence to describe an
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