beginnings of a build script

README

@@ -43,4 +43,9 @@
   is in the works. Check out /src for the details. To try it out, use
   bin/node_coffee. To have CoffeeScript recompile itself, run:
   
-  bin/node_coffee -o lib/coffee_script src/*.coffee
+  build compiler
+  
+  To rebuild the Jison parser (takes about 30 seconds), run:
+  
+  build grammar
+  

build.coffee

@@ -0,0 +1,24 @@
+# Custom build scripts, replacing the Rakefile. To invoke (for example):
+#
+# bin/node_coffee -r build.coffee -- parser
+
+fs: require 'fs'
+
+# Print the usage message for the build scripts.
+usage: ->
+  puts "build.coffee usage goes here..."
+
+# Rebuild the Jison parser from the compiled lib/grammar.js file.
+build_parser: ->
+  parser: require('grammar').parser
+  js: parser.generate()
+  parser_path: 'lib/coffee_script/parser.js'
+  fs.open(parser_path, process.O_CREAT | process.O_WRONLY | process.O_TRUNC, parseInt('0755', 8)).addCallback (fd) ->
+    fs.write(fd, js)
+
+switch process.ARGV[0]
+  when undefined     then usage()
+  when 'compiler'    then build_compiler()
+  when 'parser'      then build_parser()
+  when 'highlighter' then build_highlighter()
+  when 'underscore'  then build_underscore()

lib/coffee_script/command_line.js

@@ -15,6 +15,7 @@
   option_parser = null;
   // The CommandLine handles all of the functionality of the `coffee` utility.
   exports.run = function run() {
+    var flags, separator;
     parse_options();
     if (options.interactive) {
       return require('./repl');
@@ -25,6 +26,13 @@
     if (!(sources.length)) {
       usage();
     }
+    separator = sources.indexOf('--');
+    flags = [];
+    if (separator >= 0) {
+      flags = sources.slice((separator + 1), sources.length);
+      sources = sources.slice(0, separator);
+    }
+    process.ARGV = flags;
     compile_scripts();
     return this;
   };

lib/coffee_script/grammar.js

@@ -1,5 +1,5 @@
 (function(){
-  var Parser, _1, _2, _3, _4, _5, _6, bnf, fs, grammar, js, name, non_terminal, o, operators, option, parser, parser_path, part, tokens, unwrap;
+  var Parser, _1, _2, _3, _4, _5, _6, bnf, grammar, name, non_terminal, o, operators, option, part, tokens, unwrap;
   var __hasProp = Object.prototype.hasOwnProperty;
   Parser = require('jison').Parser;
   // DSL ===================================================================
@@ -544,7 +544,7 @@
     }).call(this);
   }
   tokens = tokens.join(" ");
-  parser = new Parser({
+  exports.parser = new Parser({
     tokens: tokens,
     bnf: bnf,
     operators: operators.reverse(),
@@ -552,12 +552,4 @@
   }, {
     debug: false
   });
-  js = parser.generate();
-  // Save the parser to a file.
-  // puts parser.generate()
-  fs = require('fs');
-  parser_path = 'lib/coffee_script/parser.js';
-  fs.open(parser_path, process.O_CREAT | process.O_WRONLY | process.O_TRUNC, parseInt('0755', 8)).addCallback(function(fd) {
-    return fs.write(fd, js);
-  });
 })();

src/command_line.coffee

@@ -36,6 +36,12 @@ exports.run: ->
   return require './repl' if options.interactive
   return puts coffee.compile sources[0] if options.eval
   usage() unless sources.length
+  separator: sources.indexOf '--'
+  flags: []
+  if separator >= 0
+    flags: sources[(separator + 1)...sources.length]
+    sources: sources[0...separator]
+  process.ARGV = flags
   compile_scripts()
   this
 

src/grammar.coffee

@@ -450,12 +450,4 @@ for name, non_terminal of grammar
       option[1] = "return " + option[1]
     option
 tokens: tokens.join(" ")
-parser: new Parser({tokens: tokens, bnf: bnf, operators: operators.reverse(), startSymbol: 'Root'}, {debug: false})
-js: parser.generate()
-
-# Save the parser to a file.
-# puts parser.generate()
-fs: require 'fs'
-parser_path: 'lib/coffee_script/parser.js'
-fs.open(parser_path, process.O_CREAT | process.O_WRONLY | process.O_TRUNC, parseInt('0755', 8)).addCallback (fd) ->
-  fs.write(fd, js)
+exports.parser: new Parser({tokens: tokens, bnf: bnf, operators: operators.reverse(), startSymbol: 'Root'}, {debug: false})