使用ANTLR解析C ++与C＃ [英] Use ANTLR to parse C++ with C#

问题描述

我想用ANTLR得到一个C ++ AST，如果可能的话，从我的C＃代码库

I'm trying to use ANTLR to get a C++ AST, if possible from my C# code base.

现在，基本的工作流程似乎很清楚对我说：生成的.cs词法分析器和使用ANTLRWorks，将它们添加解析器和C＃项目的ANTLR引用，给它一个C ++源代码，用得到的数据结构的工作。

Now, the basic workflow seems clear to me: Generate .cs lexer and parser using ANTLRWorks, add them and the ANTLR-references to a C# project, give it a C++ source, work with resulting data structures.

不过，我'M已经在第二步骤中失败。我下载了C ++语法从 http://www.antlr.org/grammar/list （我试过C ++语法由奥勒梅林特和C ++语法和代码示踪剂ANTLR 3.2的拉敏Zaghi），并通过设置生成C＃的词法和语法分析器语言= CSharp3;在语法的选项。但是，我不能让编译包含解析器和词法文件C＃项目。

However, I'm already failing at the second step. I downloaded C++ grammars from http://www.antlr.org/grammar/list (I tried "C++ grammar " by Aurelian Melinte and "C++ grammar and code tracer for ANTLR 3.2" by Ramin Zaghi) and generated the lexer and parser for C# by setting "language = CSharp3;" in the grammar's options. However, I can't get to compile the C# project containing the parser and lexer files.

一个问题是，我不知道这是否是语法的问题我使用或可用的版本......有这么多不同版本的C＃运行时的，而且试图尝试各种组合，似乎是一个相当无望的任务。在C＃目标的ANTLR的，

A problem is that I have no idea whether this is a problem of the grammar that I use or of the versions that are available... There are so many different versions of ANTLR, of the C# runtimes and of the C# Targets that attempting to try every combination seems to be a rather hopeless task.

然而，目前的组合似乎做工精细，一个小例子语​​法出来只用一个错误（潜伏在C＃词法分析器需要更改为隐藏，这就是它） ，但C ++解析器/词法分析器还是给了我很多的编译器错误，主要是处理预处理指令和数组声明。

However, the current combination seems to work fine, a small example grammar comes out with just one error ("HIDDEN" in the c# lexer needs to be changed to "Hidden" and that's it), but the C++ parser/lexer still gives me lots of compiler errors, mostly dealing with preprocessor directives and array declarations.

有没有人管理解析C ++与ANTLR-生成的C＃文件？没有任何人有任何想法，这是如何工作的？

Did anyone ever manage to parse C++ with the ANTLR-generated C# files? Does anyone have any idea how this is supposed to work?

推荐答案

的问题是，有两个语法嵌入代码，该代码是用C ++编写。嵌入式代码是在复杂的语法很常见，所以你需要找到一个语法在C＃中解析C ++，而不是仅仅解析C ++。作为一个方面说明，如果你能找到一个解析C ++在Java中，你可以使用 IKVM 使用它从C＃。

The problem is that there is embedded code in both grammars, and that code is written in C++. Embedded code is very common in complex grammars, so you need to find a grammar for parsing C++ in C#, as opposed to just parsing C++. As a side note, if you are able to find one that parses C++ in Java, you can use IKVM to use it from C#.

这篇关于使用ANTLR解析C ++与C＃的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持IT屋！