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converting the remainder of the CoffeeScript compiler (Rewriter, Scope, Optparse) to use classes

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Jeremy Ashkenas 2010-02-27 19:46:45 -05:00
parent 9f46c306e5
commit e02ab76edf
6 changed files with 786 additions and 775 deletions
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113
lib/optparse.js
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@ -1,67 +1,70 @@
(function(){
var LONG_FLAG, MULTI_FLAG, OPTIONAL, SHORT_FLAG, build_rule, build_rules, normalize_arguments, op;
var LONG_FLAG, MULTI_FLAG, OPTIONAL, OptionParser, SHORT_FLAG, build_rule, build_rules, normalize_arguments;
// Create an OptionParser with a list of valid options, in the form:
// [short-flag (optional), long-flag, description]
// And an optional banner for the usage help.
op = (exports.OptionParser = function OptionParser(rules, banner) {
this.banner = banner;
this.rules = build_rules(rules);
return this;
});
// Parse the argument array, populating an options object with all of the
// specified options, and returning it. options.arguments will be an array
// containing the remaning non-option arguments.
op.prototype.parse = function parse(args) {
var _a, _b, _c, arg, is_option, matched_rule, options, rule;
arguments = Array.prototype.slice.call(arguments, 0);
options = {
arguments: []
exports.OptionParser = (function() {
OptionParser = function OptionParser(rules, banner) {
this.banner = banner;
this.rules = build_rules(rules);
return this;
};
args = normalize_arguments(args);
while (arg = args.shift()) {
is_option = !!(arg.match(LONG_FLAG) || arg.match(SHORT_FLAG));
matched_rule = false;
// Parse the argument array, populating an options object with all of the
// specified options, and returning it. options.arguments will be an array
// containing the remaning non-option arguments.
OptionParser.prototype.parse = function parse(args) {
var _a, _b, _c, arg, is_option, matched_rule, options, rule;
arguments = Array.prototype.slice.call(arguments, 0);
options = {
arguments: []
};
args = normalize_arguments(args);
while (arg = args.shift()) {
is_option = !!(arg.match(LONG_FLAG) || arg.match(SHORT_FLAG));
matched_rule = false;
_a = this.rules;
for (_b = 0, _c = _a.length; _b < _c; _b++) {
rule = _a[_b];
if (rule.letter === arg || rule.flag === arg) {
options[rule.name] = rule.has_argument ? args.shift() : true;
matched_rule = true;
break;
}
}
if (is_option && !matched_rule) {
throw new Error("unrecognized option: " + arg);
}
if (!(is_option)) {
options.arguments.push(arg);
}
}
return options;
};
// Return the help text for this OptionParser, for --help and such.
OptionParser.prototype.help = function help() {
var _a, _b, _c, _d, _e, _f, _g, _h, i, let_part, lines, rule, spaces;
lines = ['Available options:'];
if (this.banner) {
lines.unshift(this.banner + '\n');
}
_a = this.rules;
for (_b = 0, _c = _a.length; _b < _c; _b++) {
rule = _a[_b];
if (rule.letter === arg || rule.flag === arg) {
options[rule.name] = rule.has_argument ? args.shift() : true;
matched_rule = true;
break;
}
spaces = 15 - rule.flag.length;
spaces = spaces > 0 ? (function() {
_d = []; _g = 0; _h = spaces;
for (_f = 0, i = _g; (_g <= _h ? i <= _h : i >= _h); (_g <= _h ? i += 1 : i -= 1), _f++) {
_d.push(' ');
}
return _d;
}).call(this).join('') : '';
let_part = rule.letter ? rule.letter + ', ' : ' ';
lines.push(' ' + let_part + rule.flag + spaces + rule.description);
}
if (is_option && !matched_rule) {
throw new Error("unrecognized option: " + arg);
}
if (!(is_option)) {
options.arguments.push(arg);
}
}
return options;
};
// Return the help text for this OptionParser, for --help and such.
op.prototype.help = function help() {
var _a, _b, _c, _d, _e, _f, _g, _h, i, let_part, lines, rule, spaces;
lines = ['Available options:'];
if (this.banner) {
lines.unshift(this.banner + '\n');
}
_a = this.rules;
for (_b = 0, _c = _a.length; _b < _c; _b++) {
rule = _a[_b];
spaces = 15 - rule.flag.length;
spaces = spaces > 0 ? (function() {
_d = []; _g = 0; _h = spaces;
for (_f = 0, i = _g; (_g <= _h ? i <= _h : i >= _h); (_g <= _h ? i += 1 : i -= 1), _f++) {
_d.push(' ');
}
return _d;
}).call(this).join('') : '';
let_part = rule.letter ? rule.letter + ', ' : ' ';
lines.push(' ' + let_part + rule.flag + spaces + rule.description);
}
return lines.join('\n');
};
return lines.join('\n');
};
return OptionParser;
}).call(this);
// Regex matchers for option flags.
LONG_FLAG = /^(--\w[\w\-]+)/;
SHORT_FLAG = /^(-\w)/;