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This commit is contained in:
Jeremy Ashkenas 2009-12-24 01:22:41 -05:00
parent b1f3ad24a2
commit 0a58eeef2b
7 changed files with 45 additions and 27 deletions
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3
documentation/cs/strings.cs
View File

@ -3,4 +3,5 @@ never mind how long precisely -- having little
or no money in my purse, and nothing particular
to interest me on shore, I thought I would sail
about a little and see the watery part of the
world..."
world..."

4
documentation/cs/super.cs
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@ -19,3 +19,7 @@ tom: new Horse("Tommy the Palomino")
sam.move()
tom.move()

17
documentation/index.html.erb
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@ -41,7 +41,7 @@
<p>
<b>Disclaimer:</b>
CoffeeScript is just for fun and seriously alpha. I'm sure that there are still
CoffeeScript is just for fun and seriously alpha. I'm sure that there are still
plenty of holes in the walls and leaks in the syntax. <i>There is no guarantee,
explicit or implied, of its suitability for any purpose.</i> That said,
it compiles into clean JavaScript (the good parts) that can use existing
@ -173,12 +173,15 @@ coffee-script --print app/scripts/*.cs > concatenation.js</pre>
the line will do just as well. All other whitespace is
not significant. Instead of using curly braces <tt>{ }</tt>
to delimit a block of code, use a period <tt>.</tt> to mark the end of a
function, if-statement, switch, or try/catch.
block for
<a href="#functions">functions</a>,
<a href="#conditionals">if-statements</a>,
<a href="#switch">switch</a>, and <a href="#try">try/catch</a>.
</p>
<p id="functions">
<b class="header">Functions and Invocation</b>
Let's start with the best part, shall we? Functions are defined
Let's start with the best part of CoffeeScript, shall we? Functions are defined
by a list of parameters, an arrow, and the function body. The empty
function looks like this: <tt>=>.</tt>
</p>
@ -293,7 +296,7 @@ coffee-script --print app/scripts/*.cs > concatenation.js</pre>
<a href="http://jsclass.jcoglan.com/">JS.Class</a>, etc.
The libraries provide syntactic sugar, but the built-in inheritance would
be completely usable if it weren't for one small exception:
it's very awkward to call <b>super</b>, the prototype object's
it's very awkward to call <b>super</b>, the prototype object's
implementation of the current function. CoffeeScript converts
<tt>super()</tt> calls into calls against the immediate ancestor's
method of the same name.
@ -331,8 +334,8 @@ coffee-script --print app/scripts/*.cs > concatenation.js</pre>
<p id="switch">
<b class="header">Switch/Case/Else</b>
Switch statements in JavaScript are rather broken. You can only
do string comparisons, and need to remember to <b>break</b> at the end of
every <b>case</b> statement to avoid accidentally falling through to
do string comparisons, and need to remember to <b>break</b> at the end of
every <b>case</b> statement to avoid accidentally falling through to
the default case. CoffeeScript
compiles <b>switch</b> statements into JavaScript if-else chains, allowing you to
compare any object (via <b>===</b>), preventing fall-through, and resulting
@ -352,7 +355,7 @@ coffee-script --print app/scripts/*.cs > concatenation.js</pre>
<b class="header">Multiline Strings</b>
Multiline strings are allowed in CoffeeScript.
</p>
<%= code_for('strings') %>
<%= code_for('strings', 'moby_dick') %>
</div>

10
documentation/js/strings.js
View File

@ -1,8 +1,8 @@
(function(){
var moby_dick = "Call me Ishmael. Some years ago --\
never mind how long precisely -- having little\
or no money in my purse, and nothing particular\
to interest me on shore, I thought I would sail\
about a little and see the watery part of the\
var moby_dick = "Call me Ishmael. Some years ago -- \
never mind how long precisely -- having little \
or no money in my purse, and nothing particular \
to interest me on shore, I thought I would sail \
about a little and see the watery part of the \
world...";
})();

34
index.html
View File

@ -27,7 +27,7 @@
<p>
<b>Disclaimer:</b>
CoffeeScript is just for fun and seriously alpha. I'm sure that there are still
CoffeeScript is just for fun and seriously alpha. I'm sure that there are still
plenty of holes in the walls and leaks in the syntax. <i>There is no guarantee,
explicit or implied, of its suitability for any purpose.</i> That said,
it compiles into clean JavaScript (the good parts) that can use existing
@ -243,12 +243,15 @@ coffee-script --print app/scripts/*.cs > concatenation.js</pre>
the line will do just as well. All other whitespace is
not significant. Instead of using curly braces <tt>{ }</tt>
to delimit a block of code, use a period <tt>.</tt> to mark the end of a
function, if-statement, switch, or try/catch.
block for
<a href="#functions">functions</a>,
<a href="#conditionals">if-statements</a>,
<a href="#switch">switch</a>, and <a href="#try">try/catch</a>.
</p>
<p id="functions">
<b class="header">Functions and Invocation</b>
Let's start with the best part, shall we? Functions are defined
Let's start with the best part of CoffeeScript, shall we? Functions are defined
by a list of parameters, an arrow, and the function body. The empty
function looks like this: <tt>=>.</tt>
</p>
@ -508,7 +511,7 @@ var three_to_six = nums.slice(3, 6 + 1);
<a href="http://jsclass.jcoglan.com/">JS.Class</a>, etc.
The libraries provide syntactic sugar, but the built-in inheritance would
be completely usable if it weren't for one small exception:
it's very awkward to call <b>super</b>, the prototype object's
it's very awkward to call <b>super</b>, the prototype object's
implementation of the current function. CoffeeScript converts
<tt>super()</tt> calls into calls against the immediate ancestor's
method of the same name.
@ -642,8 +645,8 @@ let_the_wild_rumpus_begin() <span class="Keyword">unless</span> answer <span cla
<p id="switch">
<b class="header">Switch/Case/Else</b>
Switch statements in JavaScript are rather broken. You can only
do string comparisons, and need to remember to <b>break</b> at the end of
every <b>case</b> statement to avoid accidentally falling through to
do string comparisons, and need to remember to <b>break</b> at the end of
every <b>case</b> statement to avoid accidentally falling through to
the default case. CoffeeScript
compiles <b>switch</b> statements into JavaScript if-else chains, allowing you to
compare any object (via <b>===</b>), preventing fall-through, and resulting
@ -707,13 +710,20 @@ let_the_wild_rumpus_begin() <span class="Keyword">unless</span> answer <span cla
<span class="String">to interest me on shore, I thought I would sail</span>
<span class="String">about a little and see the watery part of the</span>
<span class="String">world...<span class="String">&quot;</span></span>
</pre><pre class="idle"><span class="Storage">var</span> moby_dick <span class="Keyword">=</span> <span class="String"><span class="String">&quot;</span>Call me Ishmael. Some years ago --\</span>
<span class="String">never mind how long precisely -- having little\</span>
<span class="String">or no money in my purse, and nothing particular\</span>
<span class="String">to interest me on shore, I thought I would sail\</span>
<span class="String">about a little and see the watery part of the\</span>
</pre><pre class="idle"><span class="Storage">var</span> moby_dick <span class="Keyword">=</span> <span class="String"><span class="String">&quot;</span>Call me Ishmael. Some years ago -- \</span>
<span class="String">never mind how long precisely -- having little \</span>
<span class="String">or no money in my purse, and nothing particular \</span>
<span class="String">to interest me on shore, I thought I would sail \</span>
<span class="String">about a little and see the watery part of the \</span>
<span class="String">world...<span class="String">&quot;</span></span>;
</pre><br class='clear' /></div>
</pre><button onclick='javascript: var moby_dick = "Call me Ishmael. Some years ago -- \
never mind how long precisely -- having little \
or no money in my purse, and nothing particular \
to interest me on shore, I thought I would sail \
about a little and see the watery part of the \
world...";
;alert(moby_dick);'>run: moby_dick</button><br class='clear' /></div>
</div>

2
lib/coffee_script/command_line.rb
View File

@ -93,7 +93,7 @@ Usage:
# Eval a little piece of CoffeeScript directly from the command line.
def eval_scriptlet
script = @sources.join(' ')
script = STDIN.tty? ? @sources.join(' ') : STDIN.read
return tokens(script) if @options[:tokens]
js = compile(script)
return lint(js) if @options[:lint]

2
lib/coffee_script/lexer.rb
View File

@ -89,7 +89,7 @@ module CoffeeScript
return false unless string = @chunk[STRING, 1]
escaped = string.gsub(MULTILINER) do |match|
@line += 1
"\\\n"
" \\\n"
end
token(:STRING, escaped)
@i += string.length