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[CS2] Add #! support for executable scripts on Linux. (#3946)

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* Add #! support for executable scripts on Linux.

Pass arguments to executable script unchanged if using "#!/usr/bin/env
coffee". (Previously, "./test.coffee -abck" would be turned into "-a -b -c -k",
for example.)

Fixes #1752.

* refactor option parsing

clean up parsing code and in the process fix oustanding bug where coffeescript
modified arguments meant for an executable script

* address comments

* intermediate save

* add note saying where OptionParser is used in coffee command

* add some more work

* fix flatten functions

* refactor tests

* make argument processing less confusing

* add basic test

* remove unused file

* compilation now hangs

* remove unnecessary changes

* add tests!!!

* add/fix some tests

* clarify a test

* fix helpers

* fix opt parsing

* fix infinite loop

* make rule building easier to read

* add tests for flag overlap

* revamp argument parsing again and add more thorough testing

* add tests, comment, clean unused method

* address review comments

* add test for direct invocation of shebang scripts

* move shebang parsing test to separate file and check for browser

* remove TODO

* example backwards compatible warnings

* add correct tests for warning 1

* add tests for warnings

* commit output js libs and update docs

* respond to review comments

also add tests for help text

* respond to review comments

* fix example output

* Rewrite argument parsing documentation to be more concise; add it to sidebar and body; add new output

* Don’t mention deprecated syntax; clean up variable names
This commit is contained in:
Danny McClanahan 2017-07-19 18:25:06 -05:00 • committed by Geoffrey Booth
parent d287a798cc
commit 4e57ca6833
22 changed files with 672 additions and 213 deletions
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17
lib/coffeescript/coffeescript.js
View file

@ -1,6 +1,6 @@
// Generated by CoffeeScript 2.0.0-beta3
(function() {
var Lexer, SourceMap, base64encode, compile, formatSourcePosition, getSourceMap, helpers, lexer, packageJson, parser, sourceMaps, sources, withPrettyErrors;
var Lexer, SourceMap, base64encode, checkShebangLine, compile, formatSourcePosition, getSourceMap, helpers, lexer, packageJson, parser, sourceMaps, sources, withPrettyErrors;
({Lexer} = require('./lexer'));
@ -56,6 +56,7 @@
options = extend({}, options);
generateSourceMap = options.sourceMap || options.inlineMap || (options.filename == null);
filename = options.filename || '<anonymous>';
checkShebangLine(filename, code);
sources[filename] = code;
if (generateSourceMap) {
map = new SourceMap;
@ -290,4 +291,18 @@
return `${err.toString()}\n${frames.join('\n')}\n`;
};
checkShebangLine = function(file, input) {
var args, firstLine, ref, rest;
firstLine = input.split(/$/m)[0];
rest = firstLine != null ? firstLine.match(/^#!\s*([^\s]+\s*)(.*)/) : void 0;
args = rest != null ? (ref = rest[2]) != null ? ref.split(/\s/).filter(function(s) {
return s !== '';
}) : void 0 : void 0;
if ((args != null ? args.length : void 0) > 1) {
console.error('The script to be run begins with a shebang line with more than one\nargument. This script will fail on platforms such as Linux which only\nallow a single argument.');
console.error(`The shebang line was: '${firstLine}' in file '${file}'`);
return console.error(`The arguments were: ${JSON.stringify(args)}`);
}
};
}).call(this);