使用 C API 编译 Ruby
如果我
puts "Hello World!"
使用Ruby的C API重写
#include "ruby.h"
int main() {
ruby_init();
rb_funcall(Qnil, rb_intern("puts"), 1, rb_str_new2("Hello World!"));
ruby_finalize();
return 0;
}
一段Ruby代码并编译它，这是一种编译Ruby代码的方法吗？
如果我创建一个使用 Ripper 解析 Ruby 代码并将其重写为 C 的程序，我可以将其称为“Ruby 编译器”吗？有一些 Ruby 代码不能用这种方式用 Ruby 重写吗？以前有人尝试过编写这种“编译器”吗？
If I take a ruby code
puts "Hello World!"
and rewrite it using the C API of Ruby
#include "ruby.h"
int main() {
ruby_init();
rb_funcall(Qnil, rb_intern("puts"), 1, rb_str_new2("Hello World!"));
ruby_finalize();
return 0;
}
and compile it, is this a way to compile Ruby code?
If I create a program that uses Ripper to parse the Ruby code and rewrite it as C, can I call it as a "Ruby compiler"? There're some ruby code that can't be rewrited in Ruby in this way? Did someone tried to write this kind of "compiler" before?
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关于此主题的几篇好文章：
您还听说过 Crystal 吗？虽然不是真正的 Ruby，但它看起来很有趣：
关于它：有人尝试过 Crystal 编程语言（机器代码编译的 Ruby）吗？
另一个具有相同目的但主要针对嵌入式开发的（商业）项目：http://foundry-lang.org/
A couple of good articles on this topic:
Also have you heard of Crystal? While not truly Ruby, it looks interesting:
about it on SO: Anybody tried the Crystal Programming Language (machine-code compiled Ruby)?
And another (commercial) project with the same purposes but mainly targeted at embedded development: http://foundry-lang.org/
是的，这就是“c 化”的 ruby 代码。
最接近“ruby to c”的是 http://ruby2cext.rubyforge.org，rubinius 及其 JIT编译器和 ruby2c
http://betterlogic.com/roger /2009/08/how-to-use-the-ruby2c-gem
另一种选择是为 1.9 的字节码编写 JIT 编译器，这可能会加快速度。
另请参阅 mirah 语言，它类似于静态、编译时 ruby。
理论上应该是可以的。
yes that is "c-ified" ruby code, as it were.
The closest things to "ruby to c" have been http://ruby2cext.rubyforge.org, rubinius with its JIT compiler, and ruby2c
http://betterlogic.com/roger/2009/08/how-to-use-the-ruby2c-gem
Another option would be to write a JIT compiler for 1.9's bytecode, that might speed things up a bit.
Also see the mirah language, which is like static, compile time ruby.
Theoretically it should be possible.