Module: IRust

Defined in:
lib/irust.rb,
lib/irust/version.rb

Constant Summary collapse

VERSION = 
"1.0.1"

Class Method Summary collapse

Class Method Details

.compile(tmpdir) ⇒ Object 



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# File 'lib/irust.rb', line 29

def compile(tmpdir)
  Dir.chdir(tmpdir) do
    stdin, stderr, status = Open3.capture3("rustc irust.rs")

    if status.success?
      true
    else
      STDERR.puts stderr
      false
    end
  end
end

.eval(line) ⇒ Object 



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# File 'lib/irust.rb', line 42

def eval(line)
  exit 0 if line.nil?

  Dir.mktmpdir do |tmpdir|
    input_src = File.join(tmpdir, "irust.rs")
    File.write input_src, rust_program(line)

    if compile(tmpdir)
      system input_src.sub(/\.rs$/, '')
    end
  end
end

.read ⇒ Object 



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# File 'lib/irust.rb', line 8

def read
  Readline.readline("irust> ", true)
end

.run ⇒ Object 



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# File 'lib/irust.rb', line 55

def run
  loop { eval read }
end

.rust_program(line) ⇒ Object 



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# File 'lib/irust.rb', line 12

def rust_program(line)
<<-RUST
#[feature(globs, macro_rules, struct_variant)];
extern mod extra;

fn main() {
let r = {
  fn type_of<T>(_: &T) -> &'static str { unsafe {
  (*std::unstable::intrinsics::get_tydesc::<T>()).name } } struct
  Foo<T>(T);
  #{line}
};
println!("{:?}", r)
}
RUST
end