Mercurial > projects > ddmd
view dmd/String.d @ 178:e3afd1303184
Many small bugs fixed
Made all classes derive from TObject to detect memory leaks (functionality is disabled for now)
Began work on overriding backend memory allocations (to avoid memory leaks)
author | korDen |
---|---|
date | Sun, 17 Oct 2010 07:42:00 +0400 |
parents | e28b18c23469 |
children |
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module dmd.String; import dmd.common; import dmd.Array; import core.stdc.string : strlen; import std.string : cmp; import std.stdio : writefln; import dmd.TObject; class String : TObject { string str; this(string str) { register(); this.str = str; } static hash_t calcHash(const(char)* str, size_t len) { hash_t hash = 0; for (;;) { switch (len) { case 0: return hash; case 1: hash *= 37; hash += *cast(ubyte*)str; return hash; case 2: hash *= 37; hash += *cast(ushort*)str; return hash; case 3: hash *= 37; hash += (*(cast(ushort*)str) << 8) + (cast(ubyte*)str)[2]; return hash; default: hash *= 37; hash += *cast(uint*)str; str += 4; len -= 4; break; } } } static hash_t calcHash(string str) { return calcHash(str.ptr, str.length); } hash_t hashCode() { return calcHash(str.ptr, str.length); } uint len() { return str.length; } bool equals(Object obj) { return str == (cast(String)obj).str; } override int opCmp(Object obj) { return cmp(str, (cast(String)obj).str); } string toChars() { return str; } void print() { writefln("String '%s'", str); } }