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4f9af30455
Rather than have each assembler get its own app config string for the cross-assembler executable, we now have a collection of per- assembler config items, of which the executable path name is one member. The Asm Config tab has an auto-generated pop-up to select the assembler. The per-assembler settings block is serialized with the rather unpleasant JSON-in-JSON approach, but nobody should have to look at it. This also adds assembler-specific column widths to the settings dialog, though they aren't actually used yet.
112 lines
4.1 KiB
C#
112 lines
4.1 KiB
C#
/*
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* Copyright 2018 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 System.Web.Script.Serialization;
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namespace SourceGen.AsmGen {
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/// <summary>
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/// Assembler configuration holder. Serializes and deserializes information held in
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/// application settings.
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/// </summary>
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public class AssemblerConfig {
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// Fields are deserialized from JSON. Changing the names will break compatibility.
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/// <summary>
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/// Path to cross-assembler executable. Will be null or empty if this assembler
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/// is not configured.
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/// </summary>
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public string ExecutablePath { get; set; }
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/// <summary>
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/// Column display widths.
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/// </summary>
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public int[] ColumnWidths { get; set; }
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public const int NUM_COLUMNS = 4; // label, opcode, operand, comment
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/// <summary>
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/// Nullary constructor, for serialization.
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/// </summary>
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public AssemblerConfig() { }
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/// <summary>
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/// Constructor.
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/// </summary>
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/// <param name="exePath">Path to executable. May be empty.</param>
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/// <param name="widths">Column widths.</param>
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public AssemblerConfig(string exePath, int[] widths) {
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if (exePath == null) {
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throw new Exception("Bad exe path");
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}
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if (widths.Length != NUM_COLUMNS) {
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throw new Exception("Bad widths.Length " + widths.Length);
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}
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ExecutablePath = exePath;
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ColumnWidths = widths;
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}
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private static string GetSettingName(AssemblerInfo.Id id) {
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return AppSettings.ASM_CONFIG_PREFIX + id.ToString();
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}
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/// <summary>
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/// Creates a populated AssemblerConfig from the app settings for the specified ID.
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/// </summary>
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/// <param name="settings">Settings object to pull the values from.</param>
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/// <param name="id">Assembler ID.</param>
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/// <returns>The AssemblerConfig, or null if not configured.</returns>
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public static AssemblerConfig GetConfig(AppSettings settings, AssemblerInfo.Id id) {
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string cereal = settings.GetString(GetSettingName(id), null);
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if (string.IsNullOrEmpty(cereal)) {
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return null;
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}
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JavaScriptSerializer ser = new JavaScriptSerializer();
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try {
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AssemblerConfig config = ser.Deserialize<AssemblerConfig>(cereal);
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if (config.ColumnWidths == null || config.ColumnWidths.Length != NUM_COLUMNS) {
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throw new Exception("Bad column widths");
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}
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if (config.ExecutablePath == null) {
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throw new Exception("Missing exe path");
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}
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return config;
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} catch (Exception ex) {
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Debug.WriteLine("AssemblerConfig deserialization failed: " + ex.Message);
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return null;
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}
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}
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/// <summary>
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/// Updates the assembler settings for the specified ID.
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/// </summary>
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/// <param name="settings">Settings object to update.</param>
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/// <param name="id">Assembler ID.</param>
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/// <param name="config">Asm configuration.</param>
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public static void SetConfig(AppSettings settings, AssemblerInfo.Id id,
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AssemblerConfig config) {
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JavaScriptSerializer ser = new JavaScriptSerializer();
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string cereal = ser.Serialize(config);
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settings.SetString(GetSettingName(id), cereal);
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}
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}
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}
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