--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/dmd/impcnvgen.c	Sat Sep 01 21:43:27 2007 +0200
@@ -0,0 +1,440 @@
+
+// Copyright (c) 1999-2006 by Digital Mars
+// All Rights Reserved
+// written by Walter Bright
+// http://www.digitalmars.com
+// License for redistribution is by either the Artistic License
+// in artistic.txt, or the GNU General Public License in gnu.txt.
+// See the included readme.txt for details.
+
+#include <stdio.h>
+#include <stdlib.h>
+
+#include "mtype.h"
+
+enum TY impcnvResult[TMAX][TMAX];
+enum TY impcnvType1[TMAX][TMAX];
+enum TY impcnvType2[TMAX][TMAX];
+int impcnvWarn[TMAX][TMAX];
+
+int integral_promotion(int t)
+{
+    switch (t)
+    {
+	case Tchar:
+	case Twchar:
+	case Tbit:
+	case Tbool:
+	case Tint8:
+	case Tuns8:
+	case Tint16:
+	case Tuns16:	return Tint32;
+	case Tdchar:	return Tuns32;
+	default:	return t;
+    }
+}
+
+void init()
+{   int i, j;
+
+    // Set conversion tables
+    for (i = 0; i < TMAX; i++)
+	for (j = 0; j < TMAX; j++)
+	{   impcnvResult[i][j] = Terror;
+	    impcnvType1[i][j] = Terror;
+	    impcnvType2[i][j] = Terror;
+	    impcnvWarn[i][j] = 0;
+	}
+
+#define X(t1,t2, nt1,nt2, rt)		\
+	impcnvResult[t1][t2] = rt;	\
+	impcnvType1[t1][t2] = nt1;	\
+	impcnvType2[t1][t2] = nt2;
+
+    /* ======================= */
+
+    X(Tbit,Tbit,    Tint32,Tint32,  Tint32)
+    X(Tbit,Tint8,   Tint32,Tint32,  Tint32)
+    X(Tbit,Tuns8,   Tint32,Tint32,  Tint32)
+    X(Tbit,Tint16,  Tint32,Tint32,  Tint32)
+    X(Tbit,Tuns16,  Tint32,Tint32,  Tint32)
+    X(Tbit,Tint32,  Tint32,Tint32,  Tint32)
+    X(Tbit,Tuns32,  Tuns32,Tuns32,  Tuns32)
+    X(Tbit,Tint64,  Tint64,Tint64,  Tint64)
+    X(Tbit,Tuns64,  Tuns64,Tuns64,  Tuns64)
+
+    X(Tbit,Tfloat32,     Tfloat32,Tfloat32,     Tfloat32)
+    X(Tbit,Tfloat64,     Tfloat64,Tfloat64,     Tfloat64)
+    X(Tbit,Tfloat80,     Tfloat80,Tfloat80,     Tfloat80)
+    X(Tbit,Timaginary32, Tfloat32,Timaginary32, Tfloat32)
+    X(Tbit,Timaginary64, Tfloat64,Timaginary64, Tfloat64)
+    X(Tbit,Timaginary80, Tfloat80,Timaginary80, Tfloat80)
+    X(Tbit,Tcomplex32,   Tfloat32,Tcomplex32,   Tcomplex32)
+    X(Tbit,Tcomplex64,   Tfloat64,Tcomplex64,   Tcomplex64)
+    X(Tbit,Tcomplex80,   Tfloat80,Tcomplex80,   Tcomplex80)
+
+    /* ======================= */
+
+    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,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,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,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,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,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,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,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,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,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(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)
+
+#undef X
+
+#define Y(t1,t2)	impcnvWarn[t1][t2] = 1;
+    Y(Tint8, Tbit)
+    Y(Tuns8, Tbit)
+    Y(Tint16, Tbit)
+    Y(Tuns16, Tbit)
+    Y(Tint32, Tbit)
+    Y(Tuns32, Tbit)
+    Y(Tint64, Tbit)
+    Y(Tuns64, Tbit)
+
+    Y(Tuns8, Tint8)
+    Y(Tint16, Tint8)
+    Y(Tuns16, Tint8)
+    Y(Tint32, Tint8)
+    Y(Tuns32, Tint8)
+    Y(Tint64, Tint8)
+    Y(Tuns64, Tint8)
+
+    Y(Tint8, Tuns8)
+    Y(Tint16, Tuns8)
+    Y(Tuns16, Tuns8)
+    Y(Tint32, Tuns8)
+    Y(Tuns32, Tuns8)
+    Y(Tint64, Tuns8)
+    Y(Tuns64, Tuns8)
+
+    Y(Tuns16, Tint16)
+    Y(Tint32, Tint16)
+    Y(Tuns32, Tint16)
+    Y(Tint64, Tint16)
+    Y(Tuns64, Tint16)
+
+    Y(Tint16, Tuns16)
+    Y(Tint32, Tuns16)
+    Y(Tuns32, Tuns16)
+    Y(Tint64, Tuns16)
+    Y(Tuns64, Tuns16)
+
+//    Y(Tuns32, Tint32)
+    Y(Tint64, Tint32)
+    Y(Tuns64, Tint32)
+
+//    Y(Tint32, Tuns32)
+    Y(Tint64, Tuns32)
+    Y(Tuns64, Tuns32)
+
+    Y(Tint64, Tuns64)
+    Y(Tuns64, Tint64)
+
+    for (i = 0; i < TMAX; i++)
+	for (j = 0; j < TMAX; j++)
+	{
+	    if (impcnvResult[i][j] == Terror)
+	    {
+		impcnvResult[i][j] = impcnvResult[j][i];
+		impcnvType1[i][j] = impcnvType2[j][i];
+		impcnvType2[i][j] = impcnvType1[j][i];
+	    }
+	}
+}
+
+int main()
+{   FILE *fp;
+    int i;
+    int j;
+
+    init();
+
+    fp = fopen("impcnvtab.c","w");
+
+    fprintf(fp,"// This file is generated by impcnvgen.c\n");
+    fprintf(fp,"#include \"mtype.h\"\n");
+
+    fprintf(fp,"unsigned char Type::impcnvResult[TMAX][TMAX] =\n{\n");
+    for (i = 0; i < TMAX; i++)
+    {
+	for (j = 0; j < TMAX; j++)
+	{
+	    fprintf(fp, "%d,",impcnvResult[i][j]);
+	}
+	fprintf(fp, "\n");
+    }
+    fprintf(fp,"};\n");
+
+    fprintf(fp,"unsigned char Type::impcnvType1[TMAX][TMAX] =\n{\n");
+    for (i = 0; i < TMAX; i++)
+    {
+	for (j = 0; j < TMAX; j++)
+	{
+	    fprintf(fp, "%d,",impcnvType1[i][j]);
+	}
+	fprintf(fp, "\n");
+    }
+    fprintf(fp,"};\n");
+
+    fprintf(fp,"unsigned char Type::impcnvType2[TMAX][TMAX] =\n{\n");
+    for (i = 0; i < TMAX; i++)
+    {
+	for (j = 0; j < TMAX; j++)
+	{
+	    fprintf(fp, "%d,",impcnvType2[i][j]);
+	}
+	fprintf(fp, "\n");
+    }
+    fprintf(fp,"};\n");
+
+    fprintf(fp,"unsigned char Type::impcnvWarn[TMAX][TMAX] =\n{\n");
+    for (i = 0; i < TMAX; i++)
+    {
+	for (j = 0; j < TMAX; j++)
+	{
+	    fprintf(fp, "%d,",impcnvWarn[i][j]);
+	}
+	fprintf(fp, "\n");
+    }
+    fprintf(fp,"};\n");
+
+    fclose(fp);
+    return EXIT_SUCCESS;
+}