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enabling the --eval option for the self-compiler

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Jeremy Ashkenas
2010-02-13 23:27:13 -05:00
parent c39c2e3599
commit 9de729e825
2 changed files with 7 additions and 5 deletions
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5
lib/coffee_script/command_line.js
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@@ -5,7 +5,7 @@
coffee = require('coffee-script'); coffee = require('coffee-script');
optparse = require('./../../vendor/optparse-js/src/optparse'); optparse = require('./../../vendor/optparse-js/src/optparse');
BANNER = "coffee compiles CoffeeScript source files into JavaScript.\n\nUsage:\n coffee path/to/script.coffee"; BANNER = "coffee compiles CoffeeScript source files into JavaScript.\n\nUsage:\n coffee path/to/script.coffee";
SWITCHES = [['-i', '--interactive', 'run an interactive CoffeeScript REPL'], ['-r', '--run', 'compile and run a CoffeeScript'], ['-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'], ['-e', '--eval', 'compile a cli scriptlet or read from stdin'], ['-t', '--tokens', 'print the tokens that the lexer produces'], ['--tree', 'print the parse tree that Jison produces'], ['-n', '--no-wrap', 'raw output, no function safety wrapper'], ['-g', '--globals', 'attach all top-level variables as globals'], ['-v', '--version', 'display CoffeeScript version'], ['-h', '--help', 'display this help message']]; SWITCHES = [['-i', '--interactive', 'run an interactive CoffeeScript REPL'], ['-r', '--run', 'compile and run a CoffeeScript'], ['-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'], ['-e', '--eval', 'compile a string from the command line'], ['-t', '--tokens', 'print the tokens that the lexer produces'], ['-tr', '--tree', 'print the parse tree that Jison produces'], ['-v', '--version', 'display CoffeeScript version'], ['-h', '--help', 'display this help message']];
WATCH_INTERVAL = 0.5; WATCH_INTERVAL = 0.5;
options = {}; options = {};
sources = []; sources = [];
@@ -16,6 +16,9 @@
if (options.interactive) { if (options.interactive) {
return require('./repl'); return require('./repl');
} }
if (options.eval) {
return puts(coffee.compile(sources[0]));
}
if (!(sources.length)) { if (!(sources.length)) {
usage(); usage();
} }

7
src/command_line.coffee
View File

@@ -17,11 +17,9 @@ SWITCHES: [
['-w', '--watch', 'watch scripts for changes, and recompile'] ['-w', '--watch', 'watch scripts for changes, and recompile']
['-p', '--print', 'print the compiled JavaScript to stdout'] ['-p', '--print', 'print the compiled JavaScript to stdout']
['-l', '--lint', 'pipe the compiled JavaScript through JSLint'] ['-l', '--lint', 'pipe the compiled JavaScript through JSLint']
['-e', '--eval', 'compile a cli scriptlet or read from stdin'] ['-e', '--eval', 'compile a string from the command line']
['-t', '--tokens', 'print the tokens that the lexer produces'] ['-t', '--tokens', 'print the tokens that the lexer produces']
[ '--tree', 'print the parse tree that Jison produces'] ['-tr','--tree', 'print the parse tree that Jison produces']
['-n', '--no-wrap', 'raw output, no function safety wrapper']
['-g', '--globals', 'attach all top-level variables as globals']
['-v', '--version', 'display CoffeeScript version'] ['-v', '--version', 'display CoffeeScript version']
['-h', '--help', 'display this help message'] ['-h', '--help', 'display this help message']
] ]
@@ -36,6 +34,7 @@ option_parser: null
exports.run: -> exports.run: ->
parse_options() parse_options()
return require './repl' if options.interactive return require './repl' if options.interactive
return puts coffee.compile sources[0] if options.eval
usage() unless sources.length usage() unless sources.length
compile_scripts() compile_scripts()
this this