mirror of
https://github.com/renbaoshuo/S2OJ.git
synced 2024-12-23 17:31:51 +00:00
96d4a3ecf7
Due to historical reasons, the code is in subfolder "1". With SVN removal, we place the code back and remove the annoying "1" folder.
274 lines
6.2 KiB
HTML
274 lines
6.2 KiB
HTML
<!doctype html>
|
|
|
|
<title>CodeMirror: D mode</title>
|
|
<meta charset="utf-8"/>
|
|
<link rel=stylesheet href="../../doc/docs.css">
|
|
|
|
<link rel="stylesheet" href="../../lib/codemirror.css">
|
|
<script src="../../lib/codemirror.js"></script>
|
|
<script src="../../addon/edit/matchbrackets.js"></script>
|
|
<script src="d.js"></script>
|
|
<style>.CodeMirror {border: 2px inset #dee;}</style>
|
|
<div id=nav>
|
|
<a href="http://codemirror.net"><img id=logo src="../../doc/logo.png"></a>
|
|
|
|
<ul>
|
|
<li><a href="../../index.html">Home</a>
|
|
<li><a href="../../doc/manual.html">Manual</a>
|
|
<li><a href="https://github.com/marijnh/codemirror">Code</a>
|
|
</ul>
|
|
<ul>
|
|
<li><a href="../index.html">Language modes</a>
|
|
<li><a class=active href="#">D</a>
|
|
</ul>
|
|
</div>
|
|
|
|
<article>
|
|
<h2>D mode</h2>
|
|
<form><textarea id="code" name="code">
|
|
/* D demo code // copied from phobos/sd/metastrings.d */
|
|
// Written in the D programming language.
|
|
|
|
/**
|
|
Templates with which to do compile-time manipulation of strings.
|
|
|
|
Macros:
|
|
WIKI = Phobos/StdMetastrings
|
|
|
|
Copyright: Copyright Digital Mars 2007 - 2009.
|
|
License: <a href="http://www.boost.org/LICENSE_1_0.txt">Boost License 1.0</a>.
|
|
Authors: $(WEB digitalmars.com, Walter Bright),
|
|
Don Clugston
|
|
Source: $(PHOBOSSRC std/_metastrings.d)
|
|
*/
|
|
/*
|
|
Copyright Digital Mars 2007 - 2009.
|
|
Distributed under the Boost Software License, Version 1.0.
|
|
(See accompanying file LICENSE_1_0.txt or copy at
|
|
http://www.boost.org/LICENSE_1_0.txt)
|
|
*/
|
|
module std.metastrings;
|
|
|
|
/**
|
|
Formats constants into a string at compile time. Analogous to $(XREF
|
|
string,format).
|
|
|
|
Parameters:
|
|
|
|
A = tuple of constants, which can be strings, characters, or integral
|
|
values.
|
|
|
|
Formats:
|
|
* The formats supported are %s for strings, and %%
|
|
* for the % character.
|
|
Example:
|
|
---
|
|
import std.metastrings;
|
|
import std.stdio;
|
|
|
|
void main()
|
|
{
|
|
string s = Format!("Arg %s = %s", "foo", 27);
|
|
writefln(s); // "Arg foo = 27"
|
|
}
|
|
* ---
|
|
*/
|
|
|
|
template Format(A...)
|
|
{
|
|
static if (A.length == 0)
|
|
enum Format = "";
|
|
else static if (is(typeof(A[0]) : const(char)[]))
|
|
enum Format = FormatString!(A[0], A[1..$]);
|
|
else
|
|
enum Format = toStringNow!(A[0]) ~ Format!(A[1..$]);
|
|
}
|
|
|
|
template FormatString(const(char)[] F, A...)
|
|
{
|
|
static if (F.length == 0)
|
|
enum FormatString = Format!(A);
|
|
else static if (F.length == 1)
|
|
enum FormatString = F[0] ~ Format!(A);
|
|
else static if (F[0..2] == "%s")
|
|
enum FormatString
|
|
= toStringNow!(A[0]) ~ FormatString!(F[2..$],A[1..$]);
|
|
else static if (F[0..2] == "%%")
|
|
enum FormatString = "%" ~ FormatString!(F[2..$],A);
|
|
else
|
|
{
|
|
static assert(F[0] != '%', "unrecognized format %" ~ F[1]);
|
|
enum FormatString = F[0] ~ FormatString!(F[1..$],A);
|
|
}
|
|
}
|
|
|
|
unittest
|
|
{
|
|
auto s = Format!("hel%slo", "world", -138, 'c', true);
|
|
assert(s == "helworldlo-138ctrue", "[" ~ s ~ "]");
|
|
}
|
|
|
|
/**
|
|
* Convert constant argument to a string.
|
|
*/
|
|
|
|
template toStringNow(ulong v)
|
|
{
|
|
static if (v < 10)
|
|
enum toStringNow = "" ~ cast(char)(v + '0');
|
|
else
|
|
enum toStringNow = toStringNow!(v / 10) ~ toStringNow!(v % 10);
|
|
}
|
|
|
|
unittest
|
|
{
|
|
static assert(toStringNow!(1uL << 62) == "4611686018427387904");
|
|
}
|
|
|
|
/// ditto
|
|
template toStringNow(long v)
|
|
{
|
|
static if (v < 0)
|
|
enum toStringNow = "-" ~ toStringNow!(cast(ulong) -v);
|
|
else
|
|
enum toStringNow = toStringNow!(cast(ulong) v);
|
|
}
|
|
|
|
unittest
|
|
{
|
|
static assert(toStringNow!(0x100000000) == "4294967296");
|
|
static assert(toStringNow!(-138L) == "-138");
|
|
}
|
|
|
|
/// ditto
|
|
template toStringNow(uint U)
|
|
{
|
|
enum toStringNow = toStringNow!(cast(ulong)U);
|
|
}
|
|
|
|
/// ditto
|
|
template toStringNow(int I)
|
|
{
|
|
enum toStringNow = toStringNow!(cast(long)I);
|
|
}
|
|
|
|
/// ditto
|
|
template toStringNow(bool B)
|
|
{
|
|
enum toStringNow = B ? "true" : "false";
|
|
}
|
|
|
|
/// ditto
|
|
template toStringNow(string S)
|
|
{
|
|
enum toStringNow = S;
|
|
}
|
|
|
|
/// ditto
|
|
template toStringNow(char C)
|
|
{
|
|
enum toStringNow = "" ~ C;
|
|
}
|
|
|
|
|
|
/********
|
|
* Parse unsigned integer literal from the start of string s.
|
|
* returns:
|
|
* .value = the integer literal as a string,
|
|
* .rest = the string following the integer literal
|
|
* Otherwise:
|
|
* .value = null,
|
|
* .rest = s
|
|
*/
|
|
|
|
template parseUinteger(const(char)[] s)
|
|
{
|
|
static if (s.length == 0)
|
|
{
|
|
enum value = "";
|
|
enum rest = "";
|
|
}
|
|
else static if (s[0] >= '0' && s[0] <= '9')
|
|
{
|
|
enum value = s[0] ~ parseUinteger!(s[1..$]).value;
|
|
enum rest = parseUinteger!(s[1..$]).rest;
|
|
}
|
|
else
|
|
{
|
|
enum value = "";
|
|
enum rest = s;
|
|
}
|
|
}
|
|
|
|
/********
|
|
Parse integer literal optionally preceded by $(D '-') from the start
|
|
of string $(D s).
|
|
|
|
Returns:
|
|
.value = the integer literal as a string,
|
|
.rest = the string following the integer literal
|
|
|
|
Otherwise:
|
|
.value = null,
|
|
.rest = s
|
|
*/
|
|
|
|
template parseInteger(const(char)[] s)
|
|
{
|
|
static if (s.length == 0)
|
|
{
|
|
enum value = "";
|
|
enum rest = "";
|
|
}
|
|
else static if (s[0] >= '0' && s[0] <= '9')
|
|
{
|
|
enum value = s[0] ~ parseUinteger!(s[1..$]).value;
|
|
enum rest = parseUinteger!(s[1..$]).rest;
|
|
}
|
|
else static if (s.length >= 2 &&
|
|
s[0] == '-' && s[1] >= '0' && s[1] <= '9')
|
|
{
|
|
enum value = s[0..2] ~ parseUinteger!(s[2..$]).value;
|
|
enum rest = parseUinteger!(s[2..$]).rest;
|
|
}
|
|
else
|
|
{
|
|
enum value = "";
|
|
enum rest = s;
|
|
}
|
|
}
|
|
|
|
unittest
|
|
{
|
|
assert(parseUinteger!("1234abc").value == "1234");
|
|
assert(parseUinteger!("1234abc").rest == "abc");
|
|
assert(parseInteger!("-1234abc").value == "-1234");
|
|
assert(parseInteger!("-1234abc").rest == "abc");
|
|
}
|
|
|
|
/**
|
|
Deprecated aliases held for backward compatibility.
|
|
*/
|
|
deprecated alias toStringNow ToString;
|
|
/// Ditto
|
|
deprecated alias parseUinteger ParseUinteger;
|
|
/// Ditto
|
|
deprecated alias parseUinteger ParseInteger;
|
|
|
|
</textarea></form>
|
|
|
|
<script>
|
|
var editor = CodeMirror.fromTextArea(document.getElementById("code"), {
|
|
lineNumbers: true,
|
|
matchBrackets: true,
|
|
indentUnit: 4,
|
|
mode: "text/x-d"
|
|
});
|
|
</script>
|
|
|
|
<p>Simple mode that handle D-Syntax (<a href="http://www.dlang.org">DLang Homepage</a>).</p>
|
|
|
|
<p><strong>MIME types defined:</strong> <code>text/x-d</code>
|
|
.</p>
|
|
</article>
|