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trading the cs> prompt for the coffee> prompt

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This commit is contained in:
Jeremy Ashkenas
2009-12-26 00:18:24 -08:00
parent ff78546465
commit d59ef71642
3 changed files with 21 additions and 17 deletions
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2
lib/coffee_script/narwhal/coffee-script.coffee
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@@ -25,7 +25,7 @@ exports.run: args =>
while true while true
try try
system.stdout.write('cs> ').flush() system.stdout.write('coffee> ').flush()
result: exports.evalCS(Readline.readline()) result: exports.evalCS(Readline.readline())
print(result) if result isnt undefined print(result) if result isnt undefined
catch e catch e

28
lib/coffee_script/narwhal/js/coffee-script.js
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@@ -1,14 +1,14 @@
(function(){ (function(){
var File, OS, Readline, checkForErrors, coffeePath;
// This (javascript) file is generated from lib/coffee_script/narwhal/coffee-script.coffee Executes the `coffee-script` Ruby program to convert from CoffeeScript // This (javascript) file is generated from lib/coffee_script/narwhal/coffee-script.coffee Executes the `coffee-script` Ruby program to convert from CoffeeScript
// to Javascript. Eventually this will hopefully happen entirely within JS. Require external dependencies. // to Javascript. Eventually this will hopefully happen entirely within JS. Require external dependencies.
var OS = require('os'); OS = require('os');
var File = require('file'); File = require('file');
var Readline = require('readline'); Readline = require('readline');
// The path to the CoffeeScript Compiler. // The path to the CoffeeScript Compiler.
var coffeePath = File.path(module.path).dirname().dirname().dirname().dirname().dirname().join('bin', 'coffee-script'); coffeePath = File.path(module.path).dirname().dirname().dirname().dirname().dirname().join('bin', 'coffee-script');
// Our general-purpose error handler. // Our general-purpose error handler.
var checkForErrors = function(coffeeProcess) { checkForErrors = function(coffeeProcess) {
if (coffeeProcess.wait() === 0) { if (coffeeProcess.wait() === 0) {
return true; return true;
} }
@@ -18,14 +18,15 @@
// Run a simple REPL, round-tripping to the CoffeeScript compiler for every // Run a simple REPL, round-tripping to the CoffeeScript compiler for every
// command. // command.
exports.run = function(args) { exports.run = function(args) {
var result;
args.shift(); args.shift();
if (args.length) { if (args.length) {
return require(File.absolute(args[0])); return require(File.absolute(args[0]));
} }
while (true) { while (true) {
try { try {
system.stdout.write('cs> ').flush(); system.stdout.write('coffee> ').flush();
var result = exports.evalCS(Readline.readline()); result = exports.evalCS(Readline.readline());
if (result !== undefined) { if (result !== undefined) {
print(result); print(result);
} }
@@ -36,13 +37,15 @@
}; };
// Compile a given CoffeeScript file into JavaScript. // Compile a given CoffeeScript file into JavaScript.
exports.compileFile = function(path) { exports.compileFile = function(path) {
var coffee = OS.popen([coffeePath, "--print", "--no-wrap", path]); var coffee;
coffee = OS.popen([coffeePath, "--print", "--no-wrap", path]);
checkForErrors(coffee); checkForErrors(coffee);
return coffee.stdout.read(); return coffee.stdout.read();
}; };
// Compile a string of CoffeeScript into JavaScript. // Compile a string of CoffeeScript into JavaScript.
exports.compile = function(source) { exports.compile = function(source) {
var coffee = OS.popen([coffeePath, "--eval", "--no-wrap"]); var coffee;
coffee = OS.popen([coffeePath, "--eval", "--no-wrap"]);
coffee.stdin.write(source).flush().close(); coffee.stdin.write(source).flush().close();
checkForErrors(coffee); checkForErrors(coffee);
return coffee.stdout.read(); return coffee.stdout.read();
@@ -53,8 +56,9 @@
}; };
// Make a factory for the CoffeeScript environment. // Make a factory for the CoffeeScript environment.
exports.makeNarwhalFactory = function(path) { exports.makeNarwhalFactory = function(path) {
var code = exports.compileFile(path); var code, factoryText;
var factoryText = "function(require,exports,module,system,print){" + code + "/**/\n}"; code = exports.compileFile(path);
factoryText = "function(require,exports,module,system,print){" + code + "/**/\n}";
if (system.engine === "rhino") { if (system.engine === "rhino") {
return Packages.org.mozilla.javascript.Context.getCurrentContext().compileFunction(global, factoryText, path, 0, null); return Packages.org.mozilla.javascript.Context.getCurrentContext().compileFunction(global, factoryText, path, 0, null);
} else { } else {

8
lib/coffee_script/narwhal/js/loader.js
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@@ -1,10 +1,10 @@
(function(){ (function(){
var coffeescript, factories, loader;
// This (javascript) file is generated from lib/coffee_script/narwhal/loader.coffee // This (javascript) file is generated from lib/coffee_script/narwhal/loader.coffee
var coffeescript = null; coffeescript = null;
var factories = { factories = {
}; };
var loader = { loader = {
// Reload the coffee-script environment from source. // Reload the coffee-script environment from source.
reload: function(topId, path) { reload: function(topId, path) {
coffeescript = coffeescript || require('coffee-script'); coffeescript = coffeescript || require('coffee-script');