mirror of
https://github.com/xomboverlord/ldc.git
synced 2026-04-17 17:29:02 +02:00
Removed tango from the repository and instead added a runtime dir with the files needed to patch and build tango from svn.
Reworked the LLVMDC specific pragmas.
This commit is contained in:
Tomas Lindquist Olsen
406
runtime/internal/aApply.d
Normal file
406
runtime/internal/aApply.d
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@@ -0,0 +1,406 @@
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/**
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* Part of the D programming language runtime library.
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*/
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/*
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* Copyright (C) 2004-2006 by Digital Mars, www.digitalmars.com
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* Written by Walter Bright
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*
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* This software is provided 'as-is', without any express or implied
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* warranty. In no event will the authors be held liable for any damages
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* arising from the use of this software.
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*
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* Permission is granted to anyone to use this software for any purpose,
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* including commercial applications, and to alter it and redistribute it
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* freely, in both source and binary form, subject to the following
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* restrictions:
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*
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* o The origin of this software must not be misrepresented; you must not
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* claim that you wrote the original software. If you use this software
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* in a product, an acknowledgment in the product documentation would be
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* appreciated but is not required.
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* o Altered source versions must be plainly marked as such, and must not
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* be misrepresented as being the original software.
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* o This notice may not be removed or altered from any source
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* distribution.
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*/
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/*
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* Modified by Sean Kelly <sean@f4.ca> for use with Tango.
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*/
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/* This code handles decoding UTF strings for foreach loops.
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* There are 6 combinations of conversions between char, wchar,
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* and dchar, and 2 of each of those.
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*/
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private import util.utf;
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/**********************************************
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*/
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// dg is D, but _aApplycd() is C
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extern (D) typedef int delegate(void *) dg_t;
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extern (C) int _aApplycd1(char[] aa, dg_t dg)
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{ int result;
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size_t i;
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size_t len = aa.length;
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debug(apply) printf("_aApplycd1(), len = %d\n", len);
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for (i = 0; i < len; )
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{ dchar d;
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d = aa[i];
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if (d & 0x80)
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d = decode(aa, i);
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else
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i++;
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result = dg(cast(void *)&d);
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if (result)
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break;
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}
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return result;
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}
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extern (C) int _aApplywd1(wchar[] aa, dg_t dg)
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{ int result;
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size_t i;
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size_t len = aa.length;
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debug(apply) printf("_aApplywd1(), len = %d\n", len);
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for (i = 0; i < len; )
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{ dchar d;
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d = aa[i];
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if (d & ~0x7F)
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d = decode(aa, i);
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else
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i++;
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result = dg(cast(void *)&d);
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if (result)
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break;
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}
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return result;
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}
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extern (C) int _aApplycw1(char[] aa, dg_t dg)
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{ int result;
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size_t i;
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size_t len = aa.length;
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debug(apply) printf("_aApplycw1(), len = %d\n", len);
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for (i = 0; i < len; )
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{ dchar d;
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wchar w;
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w = aa[i];
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if (w & 0x80)
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{ d = decode(aa, i);
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if (d <= 0xFFFF)
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w = cast(wchar) d;
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else
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{
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w = cast(wchar)((((d - 0x10000) >> 10) & 0x3FF) + 0xD800);
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result = dg(cast(void *)&w);
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if (result)
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break;
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w = cast(wchar)(((d - 0x10000) & 0x3FF) + 0xDC00);
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}
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}
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else
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i++;
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result = dg(cast(void *)&w);
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if (result)
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break;
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}
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return result;
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}
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extern (C) int _aApplywc1(wchar[] aa, dg_t dg)
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{ int result;
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size_t i;
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size_t len = aa.length;
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debug(apply) printf("_aApplywc1(), len = %d\n", len);
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for (i = 0; i < len; )
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{ dchar d;
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wchar w;
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char c;
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w = aa[i];
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if (w & ~0x7F)
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{
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char[4] buf;
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d = decode(aa, i);
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auto b = toUTF8(buf, d);
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foreach (char c2; b)
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{
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result = dg(cast(void *)&c2);
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if (result)
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return result;
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}
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continue;
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}
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else
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{ c = cast(char)w;
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i++;
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}
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result = dg(cast(void *)&c);
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if (result)
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break;
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}
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return result;
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}
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extern (C) int _aApplydc1(dchar[] aa, dg_t dg)
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{ int result;
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debug(apply) printf("_aApplydc1(), len = %d\n", aa.length);
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foreach (dchar d; aa)
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{
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char c;
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if (d & ~0x7F)
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{
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char[4] buf;
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auto b = toUTF8(buf, d);
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foreach (char c2; b)
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{
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result = dg(cast(void *)&c2);
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if (result)
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return result;
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}
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continue;
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}
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else
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{
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c = cast(char)d;
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}
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result = dg(cast(void *)&c);
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if (result)
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break;
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}
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return result;
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}
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extern (C) int _aApplydw1(dchar[] aa, dg_t dg)
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{ int result;
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debug(apply) printf("_aApplydw1(), len = %d\n", aa.length);
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foreach (dchar d; aa)
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{
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wchar w;
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if (d <= 0xFFFF)
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w = cast(wchar) d;
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else
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{
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w = cast(wchar)((((d - 0x10000) >> 10) & 0x3FF) + 0xD800);
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result = dg(cast(void *)&w);
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if (result)
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break;
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w = cast(wchar)(((d - 0x10000) & 0x3FF) + 0xDC00);
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}
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result = dg(cast(void *)&w);
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if (result)
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break;
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}
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return result;
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}
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/****************************************************************************/
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// dg is D, but _aApplycd2() is C
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extern (D) typedef int delegate(void *, void *) dg2_t;
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extern (C) int _aApplycd2(char[] aa, dg2_t dg)
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{ int result;
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size_t i;
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size_t n;
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size_t len = aa.length;
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debug(apply) printf("_aApplycd2(), len = %d\n", len);
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for (i = 0; i < len; i += n)
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{ dchar d;
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d = aa[i];
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if (d & 0x80)
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{
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n = i;
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d = decode(aa, n);
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n -= i;
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}
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else
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n = 1;
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result = dg(&i, cast(void *)&d);
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if (result)
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break;
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}
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return result;
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}
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extern (C) int _aApplywd2(wchar[] aa, dg2_t dg)
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{ int result;
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size_t i;
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size_t n;
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size_t len = aa.length;
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debug(apply) printf("_aApplywd2(), len = %d\n", len);
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for (i = 0; i < len; i += n)
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{ dchar d;
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d = aa[i];
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if (d & ~0x7F)
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{
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n = i;
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d = decode(aa, n);
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n -= i;
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}
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else
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n = 1;
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result = dg(&i, cast(void *)&d);
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if (result)
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break;
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}
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return result;
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}
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extern (C) int _aApplycw2(char[] aa, dg2_t dg)
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{ int result;
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size_t i;
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size_t n;
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size_t len = aa.length;
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debug(apply) printf("_aApplycw2(), len = %d\n", len);
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for (i = 0; i < len; i += n)
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{ dchar d;
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wchar w;
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w = aa[i];
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if (w & 0x80)
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{ n = i;
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d = decode(aa, n);
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n -= i;
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if (d <= 0xFFFF)
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w = cast(wchar) d;
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else
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{
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w = cast(wchar) ((((d - 0x10000) >> 10) & 0x3FF) + 0xD800);
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result = dg(&i, cast(void *)&w);
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if (result)
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break;
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w = cast(wchar) (((d - 0x10000) & 0x3FF) + 0xDC00);
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}
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}
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else
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n = 1;
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result = dg(&i, cast(void *)&w);
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if (result)
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break;
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}
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return result;
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}
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extern (C) int _aApplywc2(wchar[] aa, dg2_t dg)
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{ int result;
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size_t i;
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size_t n;
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size_t len = aa.length;
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debug(apply) printf("_aApplywc2(), len = %d\n", len);
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for (i = 0; i < len; i += n)
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{ dchar d;
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wchar w;
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char c;
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w = aa[i];
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if (w & ~0x7F)
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{
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char[4] buf;
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n = i;
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d = decode(aa, n);
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n -= i;
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auto b = toUTF8(buf, d);
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foreach (char c2; b)
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{
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result = dg(&i, cast(void *)&c2);
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if (result)
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return result;
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}
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continue;
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}
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else
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{ c = cast(char)w;
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n = 1;
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}
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result = dg(&i, cast(void *)&c);
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if (result)
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break;
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}
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return result;
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}
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extern (C) int _aApplydc2(dchar[] aa, dg2_t dg)
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{ int result;
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size_t i;
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size_t len = aa.length;
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debug(apply) printf("_aApplydc2(), len = %d\n", len);
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for (i = 0; i < len; i++)
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{ dchar d;
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char c;
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d = aa[i];
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if (d & ~0x7F)
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{
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char[4] buf;
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auto b = toUTF8(buf, d);
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foreach (char c2; b)
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{
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result = dg(&i, cast(void *)&c2);
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if (result)
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return result;
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}
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continue;
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}
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else
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{ c = cast(char)d;
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}
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result = dg(&i, cast(void *)&c);
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if (result)
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break;
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}
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return result;
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}
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extern (C) int _aApplydw2(dchar[] aa, dg2_t dg)
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{ int result;
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debug(apply) printf("_aApplydw2(), len = %d\n", aa.length);
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foreach (size_t i, dchar d; aa)
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{
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wchar w;
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auto j = i;
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if (d <= 0xFFFF)
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w = cast(wchar) d;
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else
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{
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w = cast(wchar) ((((d - 0x10000) >> 10) & 0x3FF) + 0xD800);
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result = dg(&j, cast(void *)&w);
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if (result)
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break;
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w = cast(wchar) (((d - 0x10000) & 0x3FF) + 0xDC00);
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}
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result = dg(&j, cast(void *)&w);
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if (result)
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break;
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}
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return result;
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}
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