Debugger: PCE - Support for PCEAS .sym files

UI/Debugger/Integration/PceasSymbolFile.cs

@@ -0,0 +1,137 @@
+using Mesen.Config;
+using Mesen.Debugger.Labels;
+using Mesen.Interop;
+using Mesen.Utilities;
+using Mesen.Windows;
+using System;
+using System.Collections.Generic;
+using System.Globalization;
+using System.IO;
+using System.Linq;
+using System.Text;
+
+namespace Mesen.Debugger.Integration;
+
+public class PceasSymbolFile
+{
+	public static bool IsValidFile(string content)
+	{
+		return content.Contains("Bank\tAddr\tLabel") || content.Contains("Label\t\t\t\tAddr\tBank");
+	}
+
+	private static bool GetBankAddressLabel(string row, bool isAltFieldOrder, out UInt32 address, out UInt32 bank, out string? labelName)
+	{
+		address = 0;
+		bank = 0;
+		labelName = null;
+
+		int bankIndex = 0;
+		int addrIndex = 1;
+		int labelIndex = 2;
+		if(isAltFieldOrder) {
+			labelIndex = 0;
+			addrIndex = 1;
+			bankIndex = 2;
+		}
+
+		row = row.Trim();
+		if(row.Length == 0) {
+			return true;
+		}
+
+		string[] rowData = row.Split('\t', StringSplitOptions.RemoveEmptyEntries | StringSplitOptions.TrimEntries);
+		if(rowData.Length != 3) {
+			return false;
+		}
+
+		if(!UInt32.TryParse(rowData[bankIndex], NumberStyles.HexNumber, null, out bank)) {
+			return false;
+		}
+
+		if(!UInt32.TryParse(rowData[addrIndex], NumberStyles.HexNumber, null, out address)) {
+			return false;
+		}
+
+		labelName = rowData[labelIndex].Replace('.', '_');
+		if(string.IsNullOrEmpty(labelName) || !LabelManager.LabelRegex.IsMatch(labelName)) {
+			return false;
+		}
+		return true;
+	}
+
+	public static void Import(string path, bool showResult)
+	{
+		List<CodeLabel> labels = new List<CodeLabel>(1000);
+
+		Dictionary<MemoryType, int> sizeByMemoryType = new();
+
+		string[] lines = File.ReadAllLines(path, Encoding.UTF8);
+		if(lines.Length < 2) {
+			return;
+		}
+
+		bool isAltFieldOrder = lines[0].Contains("Label\t\t\t\tAddr\tBank");
+
+		int errorCount = 0;
+		foreach(string row in lines.Skip(2)) {
+			UInt32 address;
+			UInt32 bank;
+			string? labelName;
+
+			if(!GetBankAddressLabel(row, isAltFieldOrder, out address, out bank, out labelName)) {
+				errorCount++;
+				continue;
+			} else if(labelName == null) {
+				//Empty line
+				continue;
+			} else if(address > 0xFFFF) {
+				errorCount++;
+				continue;
+			}
+
+			AddressInfo absAddress = new();
+			if(bank == 0xF8) {
+				absAddress.Address = (int)(address & 0x1FFF);
+				absAddress.Type = MemoryType.PceWorkRam;
+			} else if(bank == 0xF0) {
+				//these appear to be constants - ignore them?
+				continue;
+			} else if(bank < 0x80) {
+				absAddress.Address = (int)((bank * 0x2000) + (address & 0x1FFF));
+				absAddress.Type = MemoryType.PcePrgRom;
+			}
+
+			if(absAddress.Address >= 0) {
+				if(!sizeByMemoryType.TryGetValue(absAddress.Type, out int size)) {
+					sizeByMemoryType[absAddress.Type] = size = DebugApi.GetMemorySize(absAddress.Type);
+				}
+
+				if(absAddress.Address >= size) {
+					errorCount++;
+					continue;
+				}
+
+				CodeLabel label = new CodeLabel();
+				label.Address = (UInt32)absAddress.Address;
+				label.MemoryType = absAddress.Type;
+				label.Comment = "";
+				label.Label = labelName;
+				if(ConfigManager.Config.Debug.Integration.IsMemoryTypeImportEnabled(label.MemoryType)) {
+					labels.Add(label);
+				}
+			} else {
+				errorCount++;
+			}
+		}
+
+		LabelManager.SetLabels(labels);
+
+		if(showResult) {
+			if(errorCount > 0) {
+				MesenMsgBox.Show(null, "ImportLabelsWithErrors", MessageBoxButtons.OK, MessageBoxIcon.Warning, labels.Count.ToString(), errorCount.ToString());
+			} else {
+				MesenMsgBox.Show(null, "ImportLabels", MessageBoxButtons.OK, MessageBoxIcon.Info, labels.Count.ToString());
+			}
+		}
+	}
+}

UI/Debugger/Utilities/DebugWorkspaceManager.cs

@@ -125,7 +125,11 @@ public static void LoadSymFile(string path, bool showResult)
 							BassLabelFile.Import(path, showResult, CpuType.Gameboy);
 						}
 					} else {
-						BassLabelFile.Import(path, showResult, _romInfo.ConsoleType.GetMainCpuType());
+						if(_romInfo.ConsoleType == ConsoleType.PcEngine && PceasSymbolFile.IsValidFile(symContent)) {
+							PceasSymbolFile.Import(path, showResult);
+						} else {
+							BassLabelFile.Import(path, showResult, _romInfo.ConsoleType.GetMainCpuType());
+						}
 					}
 				}
 			}