view lphobos/typeinfo2/ti_Aint.d @ 86:fd32135dca3e trunk

[svn r90] Major updates to the gen directory. Redesigned the 'elem' struct. Much more... !!! Lots of bugfixes. Added support for special foreach on strings. Added std.array, std.utf, std.ctype and std.uni to phobos. Changed all the .c files in the gen dir to .cpp (it *is* C++ after all)
author lindquist
date Sat, 03 Nov 2007 14:44:58 +0100
parents 362825278842
children
line wrap: on
line source

module typeinfo2.ti_Aint;

extern(C) int memcmp(void*,void*,size_t);

// int[]

class TypeInfo_Ai : TypeInfo
{
    char[] toString() { return "int[]"; }

    hash_t getHash(void *p)
    {	int[] s = *cast(int[]*)p;
	auto len = s.length;
	auto str = s.ptr;
	hash_t hash = 0;

	while (len)
	{
	    hash *= 9;
	    hash += *cast(uint *)str;
	    str++;
	    len--;
	}

	return hash;
    }

    int equals(void *p1, void *p2)
    {
	int[] s1 = *cast(int[]*)p1;
	int[] s2 = *cast(int[]*)p2;

	return s1.length == s2.length &&
	       memcmp(cast(void *)s1, cast(void *)s2, s1.length * int.sizeof) == 0;
    }

    int compare(void *p1, void *p2)
    {
	int[] s1 = *cast(int[]*)p1;
	int[] s2 = *cast(int[]*)p2;
	size_t len = s1.length;

	if (s2.length < len)
	    len = s2.length;
	for (size_t u = 0; u < len; u++)
	{
	    int result = s1[u] - s2[u];
	    if (result)
		return result;
	}
	return cast(int)s1.length - cast(int)s2.length;
    }

    size_t tsize()
    {
	return (int[]).sizeof;
    }

    uint flags()
    {
	return 1;
    }

    TypeInfo next()
    {
	return typeid(int);
    }
}

// uint[]

class TypeInfo_Ak : TypeInfo_Ai
{
    char[] toString() { return "uint[]"; }

    int compare(void *p1, void *p2)
    {
	uint[] s1 = *cast(uint[]*)p1;
	uint[] s2 = *cast(uint[]*)p2;
	size_t len = s1.length;

	if (s2.length < len)
	    len = s2.length;
	for (size_t u = 0; u < len; u++)
	{
	    int result = s1[u] - s2[u];
	    if (result)
		return result;
	}
	return cast(int)s1.length - cast(int)s2.length;
    }

    TypeInfo next()
    {
	return typeid(uint);
    }
}

// dchar[]

class TypeInfo_Aw : TypeInfo_Ak
{
    char[] toString() { return "dchar[]"; }

    TypeInfo next()
    {
	return typeid(dchar);
    }
}