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Modified "jump to" code to understand address range start/end lines. If there are multiple starts or ends at the same offset, we jump to the first one in the set, which is suboptimal but simpler to do. Simplified the API, embedding GoToMode in the Location object (which is where it really needs to be, to make fwd/back work right). Updated HTML export to grey out addresses in NON_ADDR sections. Changed default pseudo-op strings for address regions to ".addrs" and ".adrend", after trying a bunch of things that were worse. Added definitions for region-end pseudo-ops to Merlin32 and cc65 for display on screen. Added regression test 20260 for address region pre-labels. Fixed handling of leading underscores in platform/project symbols. These need to be escaped in 64tass output. Updated regression test 20170-external-symbols to check it.
175 lines
6.7 KiB
C#
175 lines
6.7 KiB
C#
/*
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* Copyright 2021 faddenSoft
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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using System;
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using System.Collections.Generic;
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using System.Diagnostics;
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using System.Text;
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using Asm65;
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using CommonUtil;
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using AddressChange = CommonUtil.AddressMap.AddressChange;
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namespace SourceGen {
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/// <summary>
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/// Functions for generating a human-readable form of the address map.
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/// </summary>
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/// A graphical / interactive visualization would be nicer, but this can be pasted
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/// into bug reports.
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/// </remarks>
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public static class RenderAddressMap {
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private const string CRLF = "\r\n";
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/// <summary>
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/// Formats the address map for viewing.
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/// </summary>
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public static string GenerateString(DisasmProject project, Formatter formatter) {
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AddressMap addrMap = project.AddrMap;
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bool showBank = !project.CpuDef.HasAddr16;
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StringBuilder sb = new StringBuilder();
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int depth = 0;
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int prevOffset = -1;
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int prevAddr = 0;
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int lastEndOffset = -1;
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sb.AppendLine("Address region map for \"" + project.DataFileName + "\"");
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sb.Append(CRLF);
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IEnumerator<AddressChange> iter = addrMap.AddressChangeIterator;
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while (iter.MoveNext()) {
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AddressChange change = iter.Current;
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if (change.IsStart) {
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//if (change.Offset == lastEndOffset) {
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// // Extra vertical space for a START following an END at the same offset.
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// PrintDepthLines(sb, depth, true);
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// sb.Append(CRLF);
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// lastEndOffset = -1;
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//}
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if (prevOffset >= 0 && change.Offset != prevOffset) {
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// Start of region at new offset. Output address info for space
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// between previous start or end.
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PrintAddressInfo(sb, formatter, depth, prevAddr,
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change.Offset - prevOffset, showBank);
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}
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// Start following end, or start following start after a gap.
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sb.Append(formatter.FormatOffset24(change.Offset));
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PrintDepthLines(sb, depth, false);
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sb.Append("+- " + "start");
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if (change.IsSynthetic) {
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sb.Append(" (auto-generated)");
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} else {
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// If there's a label here, show it.
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Anattrib attr = project.GetAnattrib(change.Offset);
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if (attr.Symbol != null && !string.IsNullOrEmpty(attr.Symbol.Label)) {
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sb.Append(" '");
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sb.Append(attr.Symbol.GenerateDisplayLabel(formatter));
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sb.Append("'");
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}
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}
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if (change.Region.HasValidPreLabel) {
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sb.Append(" pre='");
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sb.Append(change.Region.PreLabel);
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sb.Append("'");
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}
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sb.Append(CRLF);
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prevOffset = change.Offset;
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prevAddr = change.Address;
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depth++;
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} else {
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Debug.Assert(prevOffset >= 0);
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depth--;
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if (change.Offset + 1 != prevOffset) {
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// End of region at new offset. Output address info for space
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// between previous start or end.
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PrintAddressInfo(sb, formatter, depth + 1, prevAddr,
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change.Offset + 1 - prevOffset, showBank);
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}
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sb.Append(formatter.FormatOffset24(change.Offset));
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PrintDepthLines(sb, depth, false);
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sb.Append("+- " + "end");
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if (change.Region.IsFloating) {
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sb.Append(" (floating)");
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}
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//PrintAddress(sb, formatter, change.Address, showBank);
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//sb.Append(")");
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sb.Append(CRLF);
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// Add a blank line, but with the depth lines.
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if (depth > 0) {
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PrintDepthLines(sb, depth, true);
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}
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sb.Append(CRLF);
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// Use offset+1 here so it lines up with start records.
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prevOffset = lastEndOffset = change.Offset + 1;
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prevAddr = change.Address;
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}
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}
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Debug.Assert(depth == 0);
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return sb.ToString();
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}
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private static void PrintDepthLines(StringBuilder sb, int depth, bool doIndent) {
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if (doIndent) {
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sb.Append(" ");
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}
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sb.Append(" ");
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while (depth-- > 0) {
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sb.Append("| ");
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}
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}
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private static void PrintAddressInfo(StringBuilder sb, Formatter formatter, int depth,
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int startAddr, int length, bool showBank) {
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//PrintDepthLines(sb, depth);
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//sb.Append(CRLF);
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PrintDepthLines(sb, depth, true);
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sb.Append(' ');
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if (startAddr == Address.NON_ADDR) {
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sb.Append("-" + Address.NON_ADDR_STR + "-");
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} else {
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PrintAddress(sb, formatter, startAddr, showBank);
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sb.Append(" - ");
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PrintAddress(sb, formatter, startAddr + length - 1, showBank);
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}
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sb.Append(" length=" + length + " ($" + length.ToString("x4") + ")");
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sb.Append(CRLF);
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//PrintDepthLines(sb, depth, true);
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//sb.Append(CRLF);
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}
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private static void PrintAddress(StringBuilder sb, Formatter formatter, int addr,
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bool showBank) {
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if (addr == Address.NON_ADDR) {
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sb.Append("-" + Address.NON_ADDR_STR + "-");
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} else {
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sb.Append("$");
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sb.Append(formatter.FormatAddress(addr, showBank));
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}
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}
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}
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}
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