got a build script for rebuilding the compiler, too

build.coffee

@@ -4,10 +4,22 @@
 
 fs: require 'fs'
 
+# Run a CoffeeScript through our node/coffee interpreter.
+run: (args) ->
+  proc: process.createChildProcess 'bin/node_coffee', args
+  proc.addListener 'error', (err) -> if err then puts err
+
 # Print the usage message for the build scripts.
 usage: ->
   puts "build.coffee usage goes here..."
 
+# Build the CoffeeScript source code -- if you're editing the parser, run
+# this before you run "build parser".
+build_compiler: ->
+  fs.readdir('src').addCallback (files) ->
+    files: 'src/' + file for file in files when file.match(/\.coffee$/)
+    run ['-o', 'lib/coffee_script'].concat(files)
+
 # Rebuild the Jison parser from the compiled lib/grammar.js file.
 build_parser: ->
   parser: require('grammar').parser

lib/coffee_script/command_line.js

@@ -83,7 +83,7 @@
       } else {
         js = coffee.compile(code);
         if (opts.run) {
-          process.compile(js, source);
+          eval(js);
         } else if (opts.print) {
           puts(js);
         } else if (opts.lint) {

src/command_line.coffee

@@ -78,7 +78,7 @@ compile_scripts: ->
     else if opts.tree     then puts coffee.tree(code).toString()
     else
       js: coffee.compile code
-      if      opts.run    then process.compile js, source
+      if      opts.run    then eval js
       else if opts.print  then puts js
       else if opts.lint   then lint js
       else                     write_js source, coffee.compile code