Can any one give me some source code of building a compiler? I badly need it, yet I prefer it in Java or C++?

I really help you to do this.

Can any one give me some source code of building a compiler? I badly need it, yet I prefer it in Java or C++?
http://gcc.gnu.org/ describes how to get the source for the GCC series of compilers.
Reply:Compliers are pretty complicated. You can examine the source code of the GCC (GNU Compiler Collection) if you want to try and figure it out. If you want to write a parser and compile your own language, you could learn BNF and use Bison++ (a parser generator).





If you just need to compile the compiler, not write it (not sure why), then you can just do that with GCC or any other open source compiler.

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