--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/lwasm/list.c	Wed Jan 19 22:27:17 2011 -0700
@@ -0,0 +1,140 @@
+/*
+list.c
+
+Copyright © 2010 William Astle
+
+This file is part of LWTOOLS.
+
+LWTOOLS is free software: you can redistribute it and/or modify it under the
+terms of the GNU General Public License as published by the Free Software
+Foundation, either version 3 of the License, or (at your option) any later
+version.
+
+This program is distributed in the hope that it will be useful, but WITHOUT
+ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+more details.
+
+You should have received a copy of the GNU General Public License along with
+this program. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include <stdio.h>
+#include <string.h>
+
+#include <lw_alloc.h>
+#include <lw_string.h>
+
+#include "lwasm.h"
+#include "instab.h"
+
+void list_symbols(asmstate_t *as, FILE *of);
+
+/*
+Do listing
+*/
+void do_list(asmstate_t *as)
+{
+	line_t *cl;
+	FILE *of;
+	int i;
+	
+	if (!(as -> flags & FLAG_LIST))
+		return;
+
+	if (as -> list_file)
+		of = fopen(as -> list_file, "w");
+	else
+		of = stdout;
+	if (!of)
+	{
+		fprintf(stderr, "Cannot open list file; list not generated\n");
+		return;
+	}
+	for (cl = as -> line_head; cl; cl = cl -> next)
+	{
+		if (cl -> len < 1)
+		{
+			if (cl -> soff >= 0)
+			{
+				fprintf(of, "%04X                  ", cl -> soff & 0xffff);
+			}
+			else if (cl -> dshow >= 0)
+			{
+				if (cl -> dsize == 1)
+				{
+					fprintf(of, "     %02X                 ", cl -> dshow & 0xff);
+				}
+				else
+				{
+					fprintf(of, "     %04X               ", cl -> dshow & 0xff);
+				}
+			}
+			else if (cl -> dptr)
+			{
+				lw_expr_t te;
+				te = lw_expr_copy(cl -> dptr -> value);
+				as -> exportcheck = 1;
+				as -> csect = cl -> csect;
+				lwasm_reduce_expr(as, te);
+				as -> exportcheck = 0;
+				if (lw_expr_istype(te, lw_expr_type_int))
+				{
+					fprintf(of, "     %04X             ", lw_expr_intval(te) & 0xffff);
+				}
+				else
+				{
+					fprintf(of, "     ????             ");
+				}
+				lw_expr_destroy(te);
+			}
+			else
+			{
+				fprintf(of, "                      ");
+			}
+		}
+		else
+		{
+			lw_expr_t te;
+			te = lw_expr_copy(cl -> addr);
+			as -> exportcheck = 1;
+			as -> csect = cl -> csect;
+			lwasm_reduce_expr(as, te);
+			as -> exportcheck = 0;
+//			fprintf(of, "%s\n", lw_expr_print(te));
+			fprintf(of, "%04X ", lw_expr_intval(te) & 0xffff);
+			lw_expr_destroy(te);
+			for (i = 0; i < cl -> outputl && i < 8; i++)
+			{
+				fprintf(of, "%02X", cl -> output[i]);
+			}
+			for (; i < 8; i++)
+			{
+				fprintf(of, "  ");
+			}
+			fprintf(of, " ");
+		}
+		/* the 34.34 below is deliberately chosen so that the start of the line text is at
+		   a multiple of 8 from the start of the list line */
+		fprintf(of, "(%34.34s):%05d %s\n", cl -> linespec, cl -> lineno, cl -> ltext);
+		if (cl -> outputl > 8)
+		{
+			for (i = 8; i < cl -> outputl; i++)
+			{
+				if (i % 8 == 0)
+				{
+					if (i != 8)
+						fprintf(of, "\n     ");
+					else
+						fprintf(of, "     ");
+				}
+				fprintf(of, "%02X", cl -> output[i]);
+			}
+			if (i > 8)
+				fprintf(of, "\n");
+		}
+	}
+	
+	if (as -> flags & FLAG_SYMBOLS)
+		list_symbols(as, of);
+}