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jashkenas--coffeescript
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Merging in Stan's patch for a --require flag that allows you to hook into CoffeeScript compiler events for on 'compile', 'success', and 'failure' ... a better way to extend the language or do growlnotify stuff. Issue #590

This commit is contained in:
Jeremy Ashkenas 2010-08-07 23:33:35 -04:00
parent f950e282a6
commit 1c903450c8
5 changed files with 42 additions and 58 deletions
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45
lib/command.js
View File

@ -1,6 +1,5 @@
(function() {
var BANNER, CoffeeScript, EventEmitter, SWITCHES, _a, _b, _c, compileOptions, compileScript, compileScripts, compileStdio, exec, fs, helpers, lint, optionParser, options, optparse, parseOptions, path, printTokens, sources, spawn, usage, version, watch, writeJs;
var __hasProp = Object.prototype.hasOwnProperty;
fs = require('fs');
path = require('path');
optparse = require('./optparse');
@ -14,13 +13,7 @@
EventEmitter = _c.EventEmitter;
helpers.extend(CoffeeScript, new EventEmitter());
BANNER = 'coffee compiles CoffeeScript source files into JavaScript.\n\nUsage:\n coffee path/to/script.coffee';
SWITCHES = [
['-c', '--compile', 'compile to JavaScript and save as .js files'], ['-i', '--interactive', 'run an interactive CoffeeScript REPL'], ['-o', '--output [DIR]', 'set the directory for compiled JavaScript'], ['-w', '--watch', 'watch scripts for changes, and recompile'], ['-p', '--print', 'print the compiled JavaScript to stdout'], ['-l', '--lint', 'pipe the compiled JavaScript through JSLint'], ['-s', '--stdio', 'listen for and compile scripts over stdio'], ['-e', '--eval', 'compile a string from the command line'], [
'-r', '--require [FILE]', 'require the library, before executing your script', {
isList: true
}
], ['--no-wrap', 'compile without the top-level function wrapper'], ['-t', '--tokens', 'print the tokens that the lexer produces'], ['-n', '--nodes', 'print the parse tree that Jison produces'], ['-v', '--version', 'display CoffeeScript version'], ['-h', '--help', 'display this help message']
];
SWITCHES = [['-c', '--compile', 'compile to JavaScript and save as .js files'], ['-i', '--interactive', 'run an interactive CoffeeScript REPL'], ['-o', '--output [DIR]', 'set the directory for compiled JavaScript'], ['-w', '--watch', 'watch scripts for changes, and recompile'], ['-p', '--print', 'print the compiled JavaScript to stdout'], ['-l', '--lint', 'pipe the compiled JavaScript through JSLint'], ['-s', '--stdio', 'listen for and compile scripts over stdio'], ['-e', '--eval', 'compile a string from the command line'], ['-r', '--require [FILE*]', 'require a library before executing your script'], ['--no-wrap', 'compile without the top-level function wrapper'], ['-t', '--tokens', 'print the tokens that the lexer produces'], ['-n', '--nodes', 'print the parse tree that Jison produces'], ['-v', '--version', 'display CoffeeScript version'], ['-h', '--help', 'display this help message']];
options = {};
sources = [];
optionParser = null;
@ -101,29 +94,14 @@
return _d;
};
compileScript = function(source, code, base) {
var _d, _e, _f, _g, _h, _i, codeOpts, file, globalize, js, name, o, ref;
var _d, _e, _f, codeOpts, file, js, o;
o = options;
codeOpts = compileOptions(source);
if (o.require) {
globalize = {
CoffeeScript: CoffeeScript
};
_d = globalize;
for (name in _d) {
if (!__hasProp.call(_d, name)) continue;
ref = _d[name];
(global[name] = ref);
}
_f = o.require;
for (_e = 0, _g = _f.length; _e < _g; _e++) {
file = _f[_e];
require(file.replace(/^(\.+\/)/, ("" + (process.cwd()) + "/$1")));
}
_i = globalize;
for (name in _i) {
if (!__hasProp.call(_i, name)) continue;
_h = _i[name];
delete global[name];
_e = o.require;
for (_d = 0, _f = _e.length; _d < _f; _d++) {
file = _e[_d];
require(file);
}
}
try {
@ -151,13 +129,14 @@
}
}
} catch (err) {
CoffeeScript.emit('exception', err);
if (!(o.watch || err.handled)) {
CoffeeScript.emit('failure', err);
if (CoffeeScript.listeners('failure').length) {
return null;
}
if (!(o.watch)) {
error(err.stack) && process.exit(1);
}
if (!(err.handled)) {
return puts(err.message);
}
return puts(err.message);
}
};
compileStdio = function() {

4
lib/optparse.js
View File

@ -64,7 +64,7 @@
LONG_FLAG = /^(--\w[\w\-]+)/;
SHORT_FLAG = /^(-\w)/;
MULTI_FLAG = /^-(\w{2,})/;
OPTIONAL = /\[(.+)\]/;
OPTIONAL = /\[(\w+(\*?))\]/;
buildRules = function(rules) {
var _a, _b, _c, _d, tuple;
_a = []; _c = rules;
@ -90,7 +90,7 @@
longFlag: longFlag,
description: description,
hasArgument: !!(match && match[1]),
isList: !!options.isList
isList: !!(match && match[2])
};
};
normalizeArguments = function(args) {

40
src/command.coffee
View File

@ -25,20 +25,20 @@ BANNER = '''
# The list of all the valid option flags that `coffee` knows how to handle.
SWITCHES = [
['-c', '--compile', 'compile to JavaScript and save as .js files']
['-i', '--interactive', 'run an interactive CoffeeScript REPL']
['-o', '--output [DIR]', 'set the directory for compiled JavaScript']
['-w', '--watch', 'watch scripts for changes, and recompile']
['-p', '--print', 'print the compiled JavaScript to stdout']
['-l', '--lint', 'pipe the compiled JavaScript through JSLint']
['-s', '--stdio', 'listen for and compile scripts over stdio']
['-e', '--eval', 'compile a string from the command line']
['-r', '--require [FILE]', 'require the library, before executing your script', isList: yes]
[ '--no-wrap', 'compile without the top-level function wrapper']
['-t', '--tokens', 'print the tokens that the lexer produces']
['-n', '--nodes', 'print the parse tree that Jison produces']
['-v', '--version', 'display CoffeeScript version']
['-h', '--help', 'display this help message']
['-c', '--compile', 'compile to JavaScript and save as .js files']
['-i', '--interactive', 'run an interactive CoffeeScript REPL']
['-o', '--output [DIR]', 'set the directory for compiled JavaScript']
['-w', '--watch', 'watch scripts for changes, and recompile']
['-p', '--print', 'print the compiled JavaScript to stdout']
['-l', '--lint', 'pipe the compiled JavaScript through JSLint']
['-s', '--stdio', 'listen for and compile scripts over stdio']
['-e', '--eval', 'compile a string from the command line']
['-r', '--require [FILE*]', 'require a library before executing your script']
[ '--no-wrap', 'compile without the top-level function wrapper']
['-t', '--tokens', 'print the tokens that the lexer produces']
['-n', '--nodes', 'print the parse tree that Jison produces']
['-v', '--version', 'display CoffeeScript version']
['-h', '--help', 'display this help message']
]
# Top-level objects shared by all the functions.
@ -94,10 +94,7 @@ compileScript = (source, code, base) ->
o = options
codeOpts = compileOptions source
if o.require
globalize = {CoffeeScript}
(global[name] = ref) for name, ref of globalize
require file.replace /^(\.+\/)/, "#{ process.cwd() }/$1" for file in o.require
delete global[name] for name of globalize
require file for file in o.require
try
CoffeeScript.emit 'compile', {source, code, base, options}
if o.tokens then printTokens CoffeeScript.tokens code
@ -112,9 +109,10 @@ compileScript = (source, code, base) ->
catch err
# Avoid using 'error' as it is a special event -- if there is no handler,
# node will print a stack trace and exit the program.
CoffeeScript.emit 'exception', err
error(err.stack) and process.exit 1 unless o.watch or err.handled
puts err.message unless err.handled
CoffeeScript.emit 'failure', err
return if CoffeeScript.listeners('failure').length
error(err.stack) and process.exit 1 unless o.watch
puts err.message
# Attach the appropriate listeners to compile scripts incoming over **stdin**,
# and write them back to **stdout**.

4
src/optparse.coffee
View File

@ -59,7 +59,7 @@ exports.OptionParser = class OptionParser
LONG_FLAG = /^(--\w[\w\-]+)/
SHORT_FLAG = /^(-\w)/
MULTI_FLAG = /^-(\w{2,})/
OPTIONAL = /\[(.+)\]/
OPTIONAL = /\[(\w+(\*?))\]/
# Build and return the list of option rules. If the optional *short-flag* is
# unspecified, leave it out by padding with `null`.
@ -80,7 +80,7 @@ buildRule = (shortFlag, longFlag, description, options) ->
longFlag: longFlag
description: description
hasArgument: !!(match and match[1])
isList: !!options.isList
isList: !!(match and match[2])
}
# Normalize arguments by expanding merged flags into multiple flags. This allows

7
test/test_option_parser.coffee
View File

@ -5,6 +5,7 @@
opt = new OptionParser [
['-r', '--required [DIR]', 'desc required']
['-o', '--optional', 'desc optional']
['-l', '--list [FILES*]', 'desc list']
]
result = opt.parse ['one', 'two', 'three', '-r', 'dir']
@ -18,3 +19,9 @@ ok result.optional is true
ok result.required is 'folder'
ok result.arguments.join(' ') is 'one two'
result = opt.parse ['-l', 'one.txt', '-l', 'two.txt', 'three']
ok result.list instanceof Array
ok result.list.join(' ') is 'one.txt two.txt'
ok result.arguments.join(' ') is 'three'