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impcnvtab.d
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impcnvtab.d
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/**
* Provides an implicit conversion table for basic types.
*
* Used to determine integer promotions and common types.
*
* Specification: $(LINK2 https://dlang.org/spec/type.html#integer-promotions, Integer Promotions),
* $(LINK2 https://dlang.org/spec/type.html#usual-arithmetic-conversions, Usual Arithmetic Conversions).
*
* Copyright: Copyright (C) 1999-2021 by The D Language Foundation, All Rights Reserved
* Authors: $(LINK2 http://www.digitalmars.com, Walter Bright)
* License: $(LINK2 http://www.boost.org/LICENSE_1_0.txt, Boost License 1.0)
* Source: $(LINK2 https://github.com/dlang/dmd/blob/master/src/dmd/impcnvtab.d, _impcnvtab.d)
* Documentation: https://dlang.org/phobos/dmd_impcnvtab.html
* Coverage: https://codecov.io/gh/dlang/dmd/src/master/src/dmd/impcnvtab.d
*/
module dmd.impcnvtab;
import dmd.mtype;
immutable ENUMTY[TMAX][TMAX] impcnvResult = impCnvTab.impcnvResultTab;
immutable ENUMTY[TMAX][TMAX] impcnvType1 = impCnvTab.impcnvType1Tab;
immutable ENUMTY[TMAX][TMAX] impcnvType2 = impCnvTab.impcnvType2Tab;
private:
struct ImpCnvTab
{
ENUMTY[TMAX][TMAX] impcnvResultTab;
ENUMTY[TMAX][TMAX] impcnvType1Tab;
ENUMTY[TMAX][TMAX] impcnvType2Tab;
}
enum ImpCnvTab impCnvTab = generateImpCnvTab();
ImpCnvTab generateImpCnvTab()
{
ImpCnvTab impCnvTab;
// Set conversion tables
foreach (i; 0 .. cast(size_t)TMAX)
{
foreach (j; 0 .. cast(size_t)TMAX)
{
impCnvTab.impcnvResultTab[i][j] = Terror;
impCnvTab.impcnvType1Tab[i][j] = Terror;
impCnvTab.impcnvType2Tab[i][j] = Terror;
}
}
void X(ENUMTY t1, ENUMTY t2, ENUMTY nt1, ENUMTY nt2, ENUMTY rt)
{
impCnvTab.impcnvResultTab[t1][t2] = rt;
impCnvTab.impcnvType1Tab[t1][t2] = nt1;
impCnvTab.impcnvType2Tab[t1][t2] = nt2;
}
/* ======================= */
X(Tbool,Tbool, Tbool,Tbool, Tbool);
X(Tbool,Tint8, Tint32,Tint32, Tint32);
X(Tbool,Tuns8, Tint32,Tint32, Tint32);
X(Tbool,Tint16, Tint32,Tint32, Tint32);
X(Tbool,Tuns16, Tint32,Tint32, Tint32);
X(Tbool,Tint32, Tint32,Tint32, Tint32);
X(Tbool,Tuns32, Tuns32,Tuns32, Tuns32);
X(Tbool,Tint64, Tint64,Tint64, Tint64);
X(Tbool,Tuns64, Tuns64,Tuns64, Tuns64);
X(Tbool,Tint128, Tint128,Tint128, Tint128);
X(Tbool,Tuns128, Tuns128,Tuns128, Tuns128);
X(Tbool,Tfloat32, Tfloat32,Tfloat32, Tfloat32);
X(Tbool,Tfloat64, Tfloat64,Tfloat64, Tfloat64);
X(Tbool,Tfloat80, Tfloat80,Tfloat80, Tfloat80);
X(Tbool,Timaginary32, Tfloat32,Timaginary32, Tfloat32);
X(Tbool,Timaginary64, Tfloat64,Timaginary64, Tfloat64);
X(Tbool,Timaginary80, Tfloat80,Timaginary80, Tfloat80);
X(Tbool,Tcomplex32, Tfloat32,Tcomplex32, Tcomplex32);
X(Tbool,Tcomplex64, Tfloat64,Tcomplex64, Tcomplex64);
X(Tbool,Tcomplex80, Tfloat80,Tcomplex80, Tcomplex80);
/* ======================= */
X(Tint8,Tint8, Tint32,Tint32, Tint32);
X(Tint8,Tuns8, Tint32,Tint32, Tint32);
X(Tint8,Tint16, Tint32,Tint32, Tint32);
X(Tint8,Tuns16, Tint32,Tint32, Tint32);
X(Tint8,Tint32, Tint32,Tint32, Tint32);
X(Tint8,Tuns32, Tuns32,Tuns32, Tuns32);
X(Tint8,Tint64, Tint64,Tint64, Tint64);
X(Tint8,Tuns64, Tuns64,Tuns64, Tuns64);
X(Tint8,Tint128, Tint128,Tint128, Tint128);
X(Tint8,Tuns128, Tuns128,Tuns128, Tuns128);
X(Tint8,Tfloat32, Tfloat32,Tfloat32, Tfloat32);
X(Tint8,Tfloat64, Tfloat64,Tfloat64, Tfloat64);
X(Tint8,Tfloat80, Tfloat80,Tfloat80, Tfloat80);
X(Tint8,Timaginary32, Tfloat32,Timaginary32, Tfloat32);
X(Tint8,Timaginary64, Tfloat64,Timaginary64, Tfloat64);
X(Tint8,Timaginary80, Tfloat80,Timaginary80, Tfloat80);
X(Tint8,Tcomplex32, Tfloat32,Tcomplex32, Tcomplex32);
X(Tint8,Tcomplex64, Tfloat64,Tcomplex64, Tcomplex64);
X(Tint8,Tcomplex80, Tfloat80,Tcomplex80, Tcomplex80);
/* ======================= */
X(Tuns8,Tuns8, Tint32,Tint32, Tint32);
X(Tuns8,Tint16, Tint32,Tint32, Tint32);
X(Tuns8,Tuns16, Tint32,Tint32, Tint32);
X(Tuns8,Tint32, Tint32,Tint32, Tint32);
X(Tuns8,Tuns32, Tuns32,Tuns32, Tuns32);
X(Tuns8,Tint64, Tint64,Tint64, Tint64);
X(Tuns8,Tuns64, Tuns64,Tuns64, Tuns64);
X(Tuns8,Tint128, Tint128,Tint128, Tint128);
X(Tuns8,Tuns128, Tuns128,Tuns128, Tuns128);
X(Tuns8,Tfloat32, Tfloat32,Tfloat32, Tfloat32);
X(Tuns8,Tfloat64, Tfloat64,Tfloat64, Tfloat64);
X(Tuns8,Tfloat80, Tfloat80,Tfloat80, Tfloat80);
X(Tuns8,Timaginary32, Tfloat32,Timaginary32, Tfloat32);
X(Tuns8,Timaginary64, Tfloat64,Timaginary64, Tfloat64);
X(Tuns8,Timaginary80, Tfloat80,Timaginary80, Tfloat80);
X(Tuns8,Tcomplex32, Tfloat32,Tcomplex32, Tcomplex32);
X(Tuns8,Tcomplex64, Tfloat64,Tcomplex64, Tcomplex64);
X(Tuns8,Tcomplex80, Tfloat80,Tcomplex80, Tcomplex80);
/* ======================= */
X(Tint16,Tint16, Tint32,Tint32, Tint32);
X(Tint16,Tuns16, Tint32,Tint32, Tint32);
X(Tint16,Tint32, Tint32,Tint32, Tint32);
X(Tint16,Tuns32, Tuns32,Tuns32, Tuns32);
X(Tint16,Tint64, Tint64,Tint64, Tint64);
X(Tint16,Tuns64, Tuns64,Tuns64, Tuns64);
X(Tint16,Tint128, Tint128,Tint128, Tint128);
X(Tint16,Tuns128, Tuns128,Tuns128, Tuns128);
X(Tint16,Tfloat32, Tfloat32,Tfloat32, Tfloat32);
X(Tint16,Tfloat64, Tfloat64,Tfloat64, Tfloat64);
X(Tint16,Tfloat80, Tfloat80,Tfloat80, Tfloat80);
X(Tint16,Timaginary32, Tfloat32,Timaginary32, Tfloat32);
X(Tint16,Timaginary64, Tfloat64,Timaginary64, Tfloat64);
X(Tint16,Timaginary80, Tfloat80,Timaginary80, Tfloat80);
X(Tint16,Tcomplex32, Tfloat32,Tcomplex32, Tcomplex32);
X(Tint16,Tcomplex64, Tfloat64,Tcomplex64, Tcomplex64);
X(Tint16,Tcomplex80, Tfloat80,Tcomplex80, Tcomplex80);
/* ======================= */
X(Tuns16,Tuns16, Tint32,Tint32, Tint32);
X(Tuns16,Tint32, Tint32,Tint32, Tint32);
X(Tuns16,Tuns32, Tuns32,Tuns32, Tuns32);
X(Tuns16,Tint64, Tint64,Tint64, Tint64);
X(Tuns16,Tuns64, Tuns64,Tuns64, Tuns64);
X(Tuns16,Tint128, Tint128,Tint128, Tint128);
X(Tuns16,Tuns128, Tuns128,Tuns128, Tuns128);
X(Tuns16,Tfloat32, Tfloat32,Tfloat32, Tfloat32);
X(Tuns16,Tfloat64, Tfloat64,Tfloat64, Tfloat64);
X(Tuns16,Tfloat80, Tfloat80,Tfloat80, Tfloat80);
X(Tuns16,Timaginary32, Tfloat32,Timaginary32, Tfloat32);
X(Tuns16,Timaginary64, Tfloat64,Timaginary64, Tfloat64);
X(Tuns16,Timaginary80, Tfloat80,Timaginary80, Tfloat80);
X(Tuns16,Tcomplex32, Tfloat32,Tcomplex32, Tcomplex32);
X(Tuns16,Tcomplex64, Tfloat64,Tcomplex64, Tcomplex64);
X(Tuns16,Tcomplex80, Tfloat80,Tcomplex80, Tcomplex80);
/* ======================= */
X(Tint32,Tint32, Tint32,Tint32, Tint32);
X(Tint32,Tuns32, Tuns32,Tuns32, Tuns32);
X(Tint32,Tint64, Tint64,Tint64, Tint64);
X(Tint32,Tuns64, Tuns64,Tuns64, Tuns64);
X(Tint32,Tint128, Tint128,Tint128, Tint128);
X(Tint32,Tuns128, Tuns128,Tuns128, Tuns128);
X(Tint32,Tfloat32, Tfloat32,Tfloat32, Tfloat32);
X(Tint32,Tfloat64, Tfloat64,Tfloat64, Tfloat64);
X(Tint32,Tfloat80, Tfloat80,Tfloat80, Tfloat80);
X(Tint32,Timaginary32, Tfloat32,Timaginary32, Tfloat32);
X(Tint32,Timaginary64, Tfloat64,Timaginary64, Tfloat64);
X(Tint32,Timaginary80, Tfloat80,Timaginary80, Tfloat80);
X(Tint32,Tcomplex32, Tfloat32,Tcomplex32, Tcomplex32);
X(Tint32,Tcomplex64, Tfloat64,Tcomplex64, Tcomplex64);
X(Tint32,Tcomplex80, Tfloat80,Tcomplex80, Tcomplex80);
/* ======================= */
X(Tuns32,Tuns32, Tuns32,Tuns32, Tuns32);
X(Tuns32,Tint64, Tint64,Tint64, Tint64);
X(Tuns32,Tuns64, Tuns64,Tuns64, Tuns64);
X(Tuns32,Tint128, Tint128,Tint128, Tint128);
X(Tuns32,Tuns128, Tuns128,Tuns128, Tuns128);
X(Tuns32,Tfloat32, Tfloat32,Tfloat32, Tfloat32);
X(Tuns32,Tfloat64, Tfloat64,Tfloat64, Tfloat64);
X(Tuns32,Tfloat80, Tfloat80,Tfloat80, Tfloat80);
X(Tuns32,Timaginary32, Tfloat32,Timaginary32, Tfloat32);
X(Tuns32,Timaginary64, Tfloat64,Timaginary64, Tfloat64);
X(Tuns32,Timaginary80, Tfloat80,Timaginary80, Tfloat80);
X(Tuns32,Tcomplex32, Tfloat32,Tcomplex32, Tcomplex32);
X(Tuns32,Tcomplex64, Tfloat64,Tcomplex64, Tcomplex64);
X(Tuns32,Tcomplex80, Tfloat80,Tcomplex80, Tcomplex80);
/* ======================= */
X(Tint64,Tint64, Tint64,Tint64, Tint64);
X(Tint64,Tuns64, Tuns64,Tuns64, Tuns64);
X(Tint64,Tint128, Tint128,Tint128, Tint128);
X(Tint64,Tuns128, Tuns128,Tuns128, Tuns128);
X(Tint64,Tfloat32, Tfloat32,Tfloat32, Tfloat32);
X(Tint64,Tfloat64, Tfloat64,Tfloat64, Tfloat64);
X(Tint64,Tfloat80, Tfloat80,Tfloat80, Tfloat80);
X(Tint64,Timaginary32, Tfloat32,Timaginary32, Tfloat32);
X(Tint64,Timaginary64, Tfloat64,Timaginary64, Tfloat64);
X(Tint64,Timaginary80, Tfloat80,Timaginary80, Tfloat80);
X(Tint64,Tcomplex32, Tfloat32,Tcomplex32, Tcomplex32);
X(Tint64,Tcomplex64, Tfloat64,Tcomplex64, Tcomplex64);
X(Tint64,Tcomplex80, Tfloat80,Tcomplex80, Tcomplex80);
/* ======================= */
X(Tuns64,Tuns64, Tuns64,Tuns64, Tuns64);
X(Tuns64,Tint128, Tint128,Tint128, Tint128);
X(Tuns64,Tuns128, Tuns128,Tuns128, Tuns128);
X(Tuns64,Tfloat32, Tfloat32,Tfloat32, Tfloat32);
X(Tuns64,Tfloat64, Tfloat64,Tfloat64, Tfloat64);
X(Tuns64,Tfloat80, Tfloat80,Tfloat80, Tfloat80);
X(Tuns64,Timaginary32, Tfloat32,Timaginary32, Tfloat32);
X(Tuns64,Timaginary64, Tfloat64,Timaginary64, Tfloat64);
X(Tuns64,Timaginary80, Tfloat80,Timaginary80, Tfloat80);
X(Tuns64,Tcomplex32, Tfloat32,Tcomplex32, Tcomplex32);
X(Tuns64,Tcomplex64, Tfloat64,Tcomplex64, Tcomplex64);
X(Tuns64,Tcomplex80, Tfloat80,Tcomplex80, Tcomplex80);
/* ======================= */
X(Tint128,Tint128, Tint128,Tint128, Tint128);
X(Tint128,Tuns128, Tuns128,Tuns128, Tuns128);
X(Tint128,Tfloat32, Tfloat32,Tfloat32, Tfloat32);
X(Tint128,Tfloat64, Tfloat64,Tfloat64, Tfloat64);
X(Tint128,Tfloat80, Tfloat80,Tfloat80, Tfloat80);
X(Tint128,Timaginary32, Tfloat32,Timaginary32, Tfloat32);
X(Tint128,Timaginary64, Tfloat64,Timaginary64, Tfloat64);
X(Tint128,Timaginary80, Tfloat80,Timaginary80, Tfloat80);
X(Tint128,Tcomplex32, Tfloat32,Tcomplex32, Tcomplex32);
X(Tint128,Tcomplex64, Tfloat64,Tcomplex64, Tcomplex64);
X(Tint128,Tcomplex80, Tfloat80,Tcomplex80, Tcomplex80);
/* ======================= */
X(Tuns128,Tuns128, Tuns128,Tuns128, Tuns128);
X(Tuns128,Tfloat32, Tfloat32,Tfloat32, Tfloat32);
X(Tuns128,Tfloat64, Tfloat64,Tfloat64, Tfloat64);
X(Tuns128,Tfloat80, Tfloat80,Tfloat80, Tfloat80);
X(Tuns128,Timaginary32, Tfloat32,Timaginary32, Tfloat32);
X(Tuns128,Timaginary64, Tfloat64,Timaginary64, Tfloat64);
X(Tuns128,Timaginary80, Tfloat80,Timaginary80, Tfloat80);
X(Tuns128,Tcomplex32, Tfloat32,Tcomplex32, Tcomplex32);
X(Tuns128,Tcomplex64, Tfloat64,Tcomplex64, Tcomplex64);
X(Tuns128,Tcomplex80, Tfloat80,Tcomplex80, Tcomplex80);
/* ======================= */
X(Tfloat32,Tfloat32, Tfloat32,Tfloat32, Tfloat32);
X(Tfloat32,Tfloat64, Tfloat64,Tfloat64, Tfloat64);
X(Tfloat32,Tfloat80, Tfloat80,Tfloat80, Tfloat80);
X(Tfloat32,Timaginary32, Tfloat32,Timaginary32, Tfloat32);
X(Tfloat32,Timaginary64, Tfloat64,Timaginary64, Tfloat64);
X(Tfloat32,Timaginary80, Tfloat80,Timaginary80, Tfloat80);
X(Tfloat32,Tcomplex32, Tfloat32,Tcomplex32, Tcomplex32);
X(Tfloat32,Tcomplex64, Tfloat64,Tcomplex64, Tcomplex64);
X(Tfloat32,Tcomplex80, Tfloat80,Tcomplex80, Tcomplex80);
/* ======================= */
X(Tfloat64,Tfloat64, Tfloat64,Tfloat64, Tfloat64);
X(Tfloat64,Tfloat80, Tfloat80,Tfloat80, Tfloat80);
X(Tfloat64,Timaginary32, Tfloat64,Timaginary64, Tfloat64);
X(Tfloat64,Timaginary64, Tfloat64,Timaginary64, Tfloat64);
X(Tfloat64,Timaginary80, Tfloat80,Timaginary80, Tfloat80);
X(Tfloat64,Tcomplex32, Tfloat64,Tcomplex64, Tcomplex64);
X(Tfloat64,Tcomplex64, Tfloat64,Tcomplex64, Tcomplex64);
X(Tfloat64,Tcomplex80, Tfloat80,Tcomplex80, Tcomplex80);
/* ======================= */
X(Tfloat80,Tfloat80, Tfloat80,Tfloat80, Tfloat80);
X(Tfloat80,Timaginary32, Tfloat80,Timaginary80, Tfloat80);
X(Tfloat80,Timaginary64, Tfloat80,Timaginary80, Tfloat80);
X(Tfloat80,Timaginary80, Tfloat80,Timaginary80, Tfloat80);
X(Tfloat80,Tcomplex32, Tfloat80,Tcomplex80, Tcomplex80);
X(Tfloat80,Tcomplex64, Tfloat80,Tcomplex80, Tcomplex80);
X(Tfloat80,Tcomplex80, Tfloat80,Tcomplex80, Tcomplex80);
/* ======================= */
X(Timaginary32,Timaginary32, Timaginary32,Timaginary32, Timaginary32);
X(Timaginary32,Timaginary64, Timaginary64,Timaginary64, Timaginary64);
X(Timaginary32,Timaginary80, Timaginary80,Timaginary80, Timaginary80);
X(Timaginary32,Tcomplex32, Timaginary32,Tcomplex32, Tcomplex32);
X(Timaginary32,Tcomplex64, Timaginary64,Tcomplex64, Tcomplex64);
X(Timaginary32,Tcomplex80, Timaginary80,Tcomplex80, Tcomplex80);
/* ======================= */
X(Timaginary64,Timaginary64, Timaginary64,Timaginary64, Timaginary64);
X(Timaginary64,Timaginary80, Timaginary80,Timaginary80, Timaginary80);
X(Timaginary64,Tcomplex32, Timaginary64,Tcomplex64, Tcomplex64);
X(Timaginary64,Tcomplex64, Timaginary64,Tcomplex64, Tcomplex64);
X(Timaginary64,Tcomplex80, Timaginary80,Tcomplex80, Tcomplex80);
/* ======================= */
X(Timaginary80,Timaginary80, Timaginary80,Timaginary80, Timaginary80);
X(Timaginary80,Tcomplex32, Timaginary80,Tcomplex80, Tcomplex80);
X(Timaginary80,Tcomplex64, Timaginary80,Tcomplex80, Tcomplex80);
X(Timaginary80,Tcomplex80, Timaginary80,Tcomplex80, Tcomplex80);
/* ======================= */
X(Tcomplex32,Tcomplex32, Tcomplex32,Tcomplex32, Tcomplex32);
X(Tcomplex32,Tcomplex64, Tcomplex64,Tcomplex64, Tcomplex64);
X(Tcomplex32,Tcomplex80, Tcomplex80,Tcomplex80, Tcomplex80);
/* ======================= */
X(Tcomplex64,Tcomplex64, Tcomplex64,Tcomplex64, Tcomplex64);
X(Tcomplex64,Tcomplex80, Tcomplex80,Tcomplex80, Tcomplex80);
/* ======================= */
X(Tcomplex80,Tcomplex80, Tcomplex80,Tcomplex80, Tcomplex80);
foreach (i; 0 .. cast(size_t)TMAX)
{
foreach (j; 0 .. cast(size_t)TMAX)
{
if (impCnvTab.impcnvResultTab[i][j] == Terror)
{
impCnvTab.impcnvResultTab[i][j] = impCnvTab.impcnvResultTab[j][i];
impCnvTab.impcnvType1Tab[i][j] = impCnvTab.impcnvType2Tab[j][i];
impCnvTab.impcnvType2Tab[i][j] = impCnvTab.impcnvType1Tab[j][i];
}
}
}
return impCnvTab;
}