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swapping around the order of variable declaration in array comprehensions, so that it comes out in the proper order: __a, __b, __c

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Jeremy Ashkenas 2010-01-11 09:16:08 -05:00
parent c7cb308b6d
commit 2f63439bff
7 changed files with 77 additions and 77 deletions
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10
documentation/js/array_comprehensions.js
View file

@ -2,12 +2,12 @@
var __a, __b, __c, __d, __e, __f, __g, food, lunch, roid, roid2;
// Eat lunch.
lunch = (function() {
__c = []; __a = ['toast', 'cheese', 'wine'];
for (__b=0; __b<__a.length; __b++) {
food = __a[__b];
__c.push(eat(food));
__a = []; __b = ['toast', 'cheese', 'wine'];
for (__c=0; __c<__b.length; __c++) {
food = __b[__c];
__a.push(eat(food));
}
return __c;
return __a;
})();
// Naive collision detection.
__d = asteroids;

10
documentation/js/expressions_comprehension.js
View file

@ -2,12 +2,12 @@
var __a, __b, globals, name;
// The first ten global properties.
globals = ((function() {
__b = []; __a = window;
for (name in __a) {
if (__a.hasOwnProperty(name)) {
__b.push(name);
__a = []; __b = window;
for (name in __b) {
if (__b.hasOwnProperty(name)) {
__a.push(name);
}
}
return __b;
return __a;
})()).slice(0, 10);
})();

12
documentation/js/object_comprehensions.js
View file

@ -6,13 +6,13 @@
tim: 11
};
ages = (function() {
__b = []; __a = years_old;
for (child in __a) {
age = __a[child];
if (__a.hasOwnProperty(child)) {
__b.push(child + " is " + age);
__a = []; __b = years_old;
for (child in __b) {
age = __b[child];
if (__b.hasOwnProperty(child)) {
__a.push(child + " is " + age);
}
}
return __b;
return __a;
})();
})();

10
documentation/js/overview.js
View file

@ -33,11 +33,11 @@
}
// Array comprehensions:
cubed_list = (function() {
__c = []; __a = list;
for (__b=0; __b<__a.length; __b++) {
num = __a[__b];
__c.push(math.cube(num));
__a = []; __b = list;
for (__c=0; __c<__b.length; __c++) {
num = __b[__c];
__a.push(math.cube(num));
}
return __c;
return __a;
})();
})();

12
documentation/js/range_comprehensions.js
View file

@ -1,21 +1,21 @@
(function(){
var __a, __b, __c, __d, __e, countdown, egg_delivery, num;
countdown = (function() {
__b = []; __d = 10; __e = 1;
__a = []; __d = 10; __e = 1;
for (__c=0, num=__d; (__d <= __e ? num <= __e : num >= __e); (__d <= __e ? num += 1 : num -= 1), __c++) {
__b.push(num);
__a.push(num);
}
return __b;
return __a;
})();
egg_delivery = function egg_delivery() {
var __f, __g, __h, __i, __j, dozen_eggs, i;
__g = []; __i = 0; __j = eggs.length;
__f = []; __i = 0; __j = eggs.length;
for (__h=0, i=__i; (__i <= __j ? i < __j : i > __j); (__i <= __j ? i += 12 : i -= 12), __h++) {
__g.push((function() {
__f.push((function() {
dozen_eggs = eggs.slice(i, i + 12);
return deliver(new egg_carton(dozen));
})());
}
return __g;
return __f;
};
})();

98
index.html
View file

@ -137,12 +137,12 @@ race <span class="Keyword">=</span> <span class="Storage">function</span> <span
}
<span class="Comment"><span class="Comment">//</span> Array comprehensions:</span>
cubed_list <span class="Keyword">=</span> (<span class="Storage">function</span>() {
__c <span class="Keyword">=</span> []; __a <span class="Keyword">=</span> list;
<span class="Keyword">for</span> (__b<span class="Keyword">=</span><span class="Number">0</span>; __b<span class="Keyword">&lt;</span>__a.<span class="LibraryConstant">length</span>; __b<span class="Keyword">++</span>) {
num <span class="Keyword">=</span> __a[__b];
__c.<span class="LibraryFunction">push</span>(math.cube(num));
__a <span class="Keyword">=</span> []; __b <span class="Keyword">=</span> list;
<span class="Keyword">for</span> (__c<span class="Keyword">=</span><span class="Number">0</span>; __c<span class="Keyword">&lt;</span>__b.<span class="LibraryConstant">length</span>; __c<span class="Keyword">++</span>) {
num <span class="Keyword">=</span> __b[__c];
__a.<span class="LibraryFunction">push</span>(math.cube(num));
}
<span class="Keyword">return</span> __c;
<span class="Keyword">return</span> __a;
})();
</pre><button onclick='javascript: var __a, __b, __c, cubed_list, list, math, num, number, opposite_day, race, square;
// Assignment:
@ -178,12 +178,12 @@ if ((typeof elvis !== "undefined" && elvis !== null)) {
}
// Array comprehensions:
cubed_list = (function() {
__c = []; __a = list;
for (__b=0; __b<__a.length; __b++) {
num = __a[__b];
__c.push(math.cube(num));
__a = []; __b = list;
for (__c=0; __c<__b.length; __c++) {
num = __b[__c];
__a.push(math.cube(num));
}
return __c;
return __a;
})();
;alert(cubed_list);'>run: cubed_list</button><br class='clear' /></div>
@ -707,12 +707,12 @@ backwards("stairway", "to", "heaven");
</pre><pre class="idle"><span class="Storage">var</span> __a, __b, __c, __d, __e, __f, __g, food, lunch, roid, roid2;
<span class="Comment"><span class="Comment">//</span> Eat lunch.</span>
lunch <span class="Keyword">=</span> (<span class="Storage">function</span>() {
__c <span class="Keyword">=</span> []; __a <span class="Keyword">=</span> [<span class="String"><span class="String">'</span>toast<span class="String">'</span></span>, <span class="String"><span class="String">'</span>cheese<span class="String">'</span></span>, <span class="String"><span class="String">'</span>wine<span class="String">'</span></span>];
<span class="Keyword">for</span> (__b<span class="Keyword">=</span><span class="Number">0</span>; __b<span class="Keyword">&lt;</span>__a.<span class="LibraryConstant">length</span>; __b<span class="Keyword">++</span>) {
food <span class="Keyword">=</span> __a[__b];
__c.<span class="LibraryFunction">push</span>(eat(food));
__a <span class="Keyword">=</span> []; __b <span class="Keyword">=</span> [<span class="String"><span class="String">'</span>toast<span class="String">'</span></span>, <span class="String"><span class="String">'</span>cheese<span class="String">'</span></span>, <span class="String"><span class="String">'</span>wine<span class="String">'</span></span>];
<span class="Keyword">for</span> (__c<span class="Keyword">=</span><span class="Number">0</span>; __c<span class="Keyword">&lt;</span>__b.<span class="LibraryConstant">length</span>; __c<span class="Keyword">++</span>) {
food <span class="Keyword">=</span> __b[__c];
__a.<span class="LibraryFunction">push</span>(eat(food));
}
<span class="Keyword">return</span> __c;
<span class="Keyword">return</span> __a;
})();
<span class="Comment"><span class="Comment">//</span> Naive collision detection.</span>
__d <span class="Keyword">=</span> asteroids;
@ -743,41 +743,41 @@ __d <span class="Keyword">=</span> asteroids;
deliver(<span class="Keyword">new</span> <span class="TypeName">egg_carton</span>(dozen))
</pre><pre class="idle"><span class="Storage">var</span> __a, __b, __c, __d, __e, countdown, egg_delivery, num;
countdown <span class="Keyword">=</span> (<span class="Storage">function</span>() {
__b <span class="Keyword">=</span> []; __d <span class="Keyword">=</span> <span class="Number">10</span>; __e <span class="Keyword">=</span> <span class="Number">1</span>;
__a <span class="Keyword">=</span> []; __d <span class="Keyword">=</span> <span class="Number">10</span>; __e <span class="Keyword">=</span> <span class="Number">1</span>;
<span class="Keyword">for</span> (__c<span class="Keyword">=</span><span class="Number">0</span>, num<span class="Keyword">=</span>__d; (__d <span class="Keyword">&lt;=</span> __e ? num <span class="Keyword">&lt;=</span> __e : num <span class="Keyword">&gt;=</span> __e); (__d <span class="Keyword">&lt;=</span> __e ? num <span class="Keyword">+</span><span class="Keyword">=</span> <span class="Number">1</span> : num <span class="Keyword">-</span><span class="Keyword">=</span> <span class="Number">1</span>), __c<span class="Keyword">++</span>) {
__b.<span class="LibraryFunction">push</span>(num);
__a.<span class="LibraryFunction">push</span>(num);
}
<span class="Keyword">return</span> __b;
<span class="Keyword">return</span> __a;
})();
egg_delivery <span class="Keyword">=</span> <span class="Storage">function</span> <span class="FunctionName">egg_delivery</span>() {
<span class="Storage">var</span> __f, __g, __h, __i, __j, dozen_eggs, i;
__g <span class="Keyword">=</span> []; __i <span class="Keyword">=</span> <span class="Number">0</span>; __j <span class="Keyword">=</span> eggs.<span class="LibraryConstant">length</span>;
__f <span class="Keyword">=</span> []; __i <span class="Keyword">=</span> <span class="Number">0</span>; __j <span class="Keyword">=</span> eggs.<span class="LibraryConstant">length</span>;
<span class="Keyword">for</span> (__h<span class="Keyword">=</span><span class="Number">0</span>, i<span class="Keyword">=</span>__i; (__i <span class="Keyword">&lt;=</span> __j ? i <span class="Keyword">&lt;</span> __j : i <span class="Keyword">&gt;</span> __j); (__i <span class="Keyword">&lt;=</span> __j ? i <span class="Keyword">+</span><span class="Keyword">=</span> <span class="Number">12</span> : i <span class="Keyword">-</span><span class="Keyword">=</span> <span class="Number">12</span>), __h<span class="Keyword">++</span>) {
__g.<span class="LibraryFunction">push</span>((<span class="Storage">function</span>() {
__f.<span class="LibraryFunction">push</span>((<span class="Storage">function</span>() {
dozen_eggs <span class="Keyword">=</span> eggs.<span class="LibraryFunction">slice</span>(i, i <span class="Keyword">+</span> <span class="Number">12</span>);
<span class="Keyword">return</span> deliver(<span class="Keyword">new</span> <span class="TypeName">egg_carton</span>(dozen));
})());
}
<span class="Keyword">return</span> __g;
<span class="Keyword">return</span> __f;
};
</pre><button onclick='javascript: var __a, __b, __c, __d, __e, countdown, egg_delivery, num;
countdown = (function() {
__b = []; __d = 10; __e = 1;
__a = []; __d = 10; __e = 1;
for (__c=0, num=__d; (__d <= __e ? num <= __e : num >= __e); (__d <= __e ? num += 1 : num -= 1), __c++) {
__b.push(num);
__a.push(num);
}
return __b;
return __a;
})();
egg_delivery = function egg_delivery() {
var __f, __g, __h, __i, __j, dozen_eggs, i;
__g = []; __i = 0; __j = eggs.length;
__f = []; __i = 0; __j = eggs.length;
for (__h=0, i=__i; (__i <= __j ? i < __j : i > __j); (__i <= __j ? i += 12 : i -= 12), __h++) {
__g.push((function() {
__f.push((function() {
dozen_eggs = eggs.slice(i, i + 12);
return deliver(new egg_carton(dozen));
})());
}
return __g;
return __f;
};
;alert(countdown);'>run: countdown</button><br class='clear' /></div>
<p>
@ -796,14 +796,14 @@ years_old <span class="Keyword">=</span> {
tim: <span class="Number">11</span>
};
ages <span class="Keyword">=</span> (<span class="Storage">function</span>() {
__b <span class="Keyword">=</span> []; __a <span class="Keyword">=</span> years_old;
<span class="Keyword">for</span> (child <span class="Keyword">in</span> __a) {
age <span class="Keyword">=</span> __a[child];
<span class="Keyword">if</span> (__a.hasOwnProperty(child)) {
__b.<span class="LibraryFunction">push</span>(child <span class="Keyword">+</span> <span class="String"><span class="String">&quot;</span> is <span class="String">&quot;</span></span> <span class="Keyword">+</span> age);
__a <span class="Keyword">=</span> []; __b <span class="Keyword">=</span> years_old;
<span class="Keyword">for</span> (child <span class="Keyword">in</span> __b) {
age <span class="Keyword">=</span> __b[child];
<span class="Keyword">if</span> (__b.hasOwnProperty(child)) {
__a.<span class="LibraryFunction">push</span>(child <span class="Keyword">+</span> <span class="String"><span class="String">&quot;</span> is <span class="String">&quot;</span></span> <span class="Keyword">+</span> age);
}
}
<span class="Keyword">return</span> __b;
<span class="Keyword">return</span> __a;
})();
</pre><button onclick='javascript: var __a, __b, age, ages, child, years_old;
years_old = {
@ -812,14 +812,14 @@ years_old = {
tim: 11
};
ages = (function() {
__b = []; __a = years_old;
for (child in __a) {
age = __a[child];
if (__a.hasOwnProperty(child)) {
__b.push(child + " is " + age);
__a = []; __b = years_old;
for (child in __b) {
age = __b[child];
if (__b.hasOwnProperty(child)) {
__a.push(child + " is " + age);
}
}
return __b;
return __a;
})();
;alert(ages.join(", "));'>run: ages.join(", ")</button><br class='clear' /></div>
@ -932,24 +932,24 @@ six = (one = 1) + (two = 2) + (three = 3);
</pre><pre class="idle"><span class="Storage">var</span> __a, __b, globals, name;
<span class="Comment"><span class="Comment">//</span> The first ten global properties.</span>
globals <span class="Keyword">=</span> ((<span class="Storage">function</span>() {
__b <span class="Keyword">=</span> []; __a <span class="Keyword">=</span> <span class="LibraryClassType">window</span>;
<span class="Keyword">for</span> (name <span class="Keyword">in</span> __a) {
<span class="Keyword">if</span> (__a.hasOwnProperty(name)) {
__b.<span class="LibraryFunction">push</span>(name);
__a <span class="Keyword">=</span> []; __b <span class="Keyword">=</span> <span class="LibraryClassType">window</span>;
<span class="Keyword">for</span> (name <span class="Keyword">in</span> __b) {
<span class="Keyword">if</span> (__b.hasOwnProperty(name)) {
__a.<span class="LibraryFunction">push</span>(name);
}
}
<span class="Keyword">return</span> __b;
<span class="Keyword">return</span> __a;
})()).<span class="LibraryFunction">slice</span>(<span class="Number">0</span>, <span class="Number">10</span>);
</pre><button onclick='javascript: var __a, __b, globals, name;
// The first ten global properties.
globals = ((function() {
__b = []; __a = window;
for (name in __a) {
if (__a.hasOwnProperty(name)) {
__b.push(name);
__a = []; __b = window;
for (name in __b) {
if (__b.hasOwnProperty(name)) {
__a.push(name);
}
}
return __b;
return __a;
})()).slice(0, 10);
;alert(globals);'>run: globals</button><br class='clear' /></div>
<p>

2
lib/coffee_script/nodes.rb
View file

@ -655,9 +655,9 @@ module CoffeeScript
name_found = @name && scope.find(@name)
index_found = @index && scope.find(@index)
body_dent = idt(1)
rvar = scope.free_variable unless top_level
svar = scope.free_variable
ivar = range ? name : @index ? @index : scope.free_variable
rvar = scope.free_variable unless top_level
if range
index_var = scope.free_variable
source_part = source.compile_variables(o)