2019-07-05 21:53:45 +00:00
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/*
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* Copyright 2019 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.ComponentModel;
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using System.Diagnostics;
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using System.Runtime.CompilerServices;
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using System.Windows;
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using System.Windows.Controls;
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using System.Windows.Media;
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using Asm65;
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2019-07-20 20:28:10 +00:00
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namespace SourceGen.WpfGui {
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2019-07-05 21:53:45 +00:00
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/// <summary>
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/// Symbol edit dialog.
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/// </summary>
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public partial class EditDefSymbol : Window, INotifyPropertyChanged {
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/// <summary>
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/// Result; will be set non-null on OK.
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/// </summary>
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public DefSymbol NewSym { get; private set; }
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/// <summary>
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/// Set to true when all fields are valid. Controls whether the OK button is enabled.
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/// </summary>
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public bool IsValid {
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get { return mIsValid; }
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set { mIsValid = value; OnPropertyChanged(); }
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}
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private bool mIsValid;
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public string Label {
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get { return mLabel; }
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set { mLabel = value; OnPropertyChanged(); UpdateControls(); }
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}
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private string mLabel;
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public string Value {
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get { return mValue; }
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set { mValue = value; OnPropertyChanged(); UpdateControls(); }
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}
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private string mValue;
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public string VarWidth {
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get { return mWidth; }
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set { mWidth = value; OnPropertyChanged(); UpdateControls(); }
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}
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private string mWidth;
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public string Comment {
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get { return mComment; }
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set { mComment = value; OnPropertyChanged(); }
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}
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private string mComment;
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/// <summary>
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/// Format object to use when formatting addresses and constants.
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/// </summary>
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private Formatter mNumFormatter;
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/// <summary>
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/// Old symbol value. May be null.
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/// </summary>
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private DefSymbol mOldSym;
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/// <summary>
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/// List of existing symbols, for uniqueness check. The list will not be modified.
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/// </summary>
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private SortedList<string, DefSymbol> mDefSymbolList;
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/// <summary>
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/// Full symbol table, for extended uniqueness check.
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/// </summary>
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private SymbolTable mSymbolTable;
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// Saved off at dialog load time.
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private Brush mDefaultLabelColor;
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// INotifyPropertyChanged implementation
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public event PropertyChangedEventHandler PropertyChanged;
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private void OnPropertyChanged([CallerMemberName] string propertyName = "") {
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PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(propertyName));
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}
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/// <summary>
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/// Constructor, for editing a project symbol.
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/// </summary>
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public EditDefSymbol(Window owner, Formatter formatter,
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SortedList<string, DefSymbol> defList, DefSymbol defSym) {
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InitializeComponent();
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Owner = owner;
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DataContext = this;
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mNumFormatter = formatter;
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mDefSymbolList = defList;
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mOldSym = defSym;
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Label = Value = VarWidth = Comment = string.Empty;
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widthEntry1.Visibility = widthEntry2.Visibility = labelUniqueLabel.Visibility =
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Visibility.Collapsed;
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projectLabelUniqueLabel.Visibility = Visibility.Visible;
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}
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/// <summary>
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/// Constructor, for editing a local variable.
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/// </summary>
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public EditDefSymbol(Window owner, Formatter formatter,
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SortedList<string, DefSymbol> defList, DefSymbol defSym,
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SymbolTable symbolTable) : this(owner, formatter, defList, defSym) {
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mSymbolTable = symbolTable;
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widthEntry1.Visibility = widthEntry2.Visibility = labelUniqueLabel.Visibility =
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Visibility.Visible;
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projectLabelUniqueLabel.Visibility = Visibility.Collapsed;
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}
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private void Window_Loaded(object sender, RoutedEventArgs e) {
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mDefaultLabelColor = labelNotesLabel.Foreground;
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if (mOldSym != null) {
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Label = mOldSym.Label;
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Value = mNumFormatter.FormatValueInBase(mOldSym.Value,
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mOldSym.DataDescriptor.NumBase);
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VarWidth = mOldSym.Width.ToString();
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Comment = mOldSym.Comment;
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if (mOldSym.SymbolType == Symbol.Type.Constant) {
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constantRadioButton.IsChecked = true;
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} else {
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addressRadioButton.IsChecked = true;
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}
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} else {
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addressRadioButton.IsChecked = true;
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}
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labelTextBox.Focus();
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UpdateControls();
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}
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private void UpdateControls() {
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if (!IsLoaded) {
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return;
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}
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// Label must be valid and not already exist in project symbol list. (For project
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// symbols, it's okay if an identical label exists elsewhere.)
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bool labelValid = Asm65.Label.ValidateLabel(Label);
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bool labelUnique;
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if (mDefSymbolList.TryGetValue(Label, out DefSymbol existing)) {
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// It's okay if it's the same object.
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labelUnique = (existing == mOldSym);
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} else {
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labelUnique = true;
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}
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// For local variables, do a secondary uniqueness check.
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if (labelUnique && mSymbolTable != null) {
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labelUnique = !mSymbolTable.TryGetValue(Label, out Symbol sym);
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}
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// Value must be blank, meaning "erase any earlier definition", or valid value.
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// (Hmm... don't currently have a way to specify "no symbol" in DefSymbol.)
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//if (!string.IsNullOrEmpty(valueTextBox.Text)) {
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bool valueValid = ParseValue(out int unused1, out int unused2);
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//} else {
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// valueValid = true;
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//}
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bool widthValid = true;
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if (widthEntry1.Visibility == Visibility.Visible) {
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if (!int.TryParse(VarWidth, out int width) ||
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width < DefSymbol.MIN_WIDTH || width > DefSymbol.MAX_WIDTH) {
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widthValid = false;
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}
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}
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// TODO(maybe): do this the XAML way, with properties and Styles
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labelNotesLabel.Foreground = labelValid ? mDefaultLabelColor : Brushes.Red;
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labelUniqueLabel.Foreground = projectLabelUniqueLabel.Foreground =
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labelUnique ? mDefaultLabelColor : Brushes.Red;
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valueNotesLabel.Foreground = valueValid ? mDefaultLabelColor : Brushes.Red;
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widthNotesLabel.Foreground = widthValid ? mDefaultLabelColor : Brushes.Red;
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IsValid = labelValid && labelUnique && valueValid && widthValid;
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}
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private bool ParseValue(out int value, out int numBase) {
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string str = Value;
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if (str.IndexOf('/') >= 0) {
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// treat as address
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numBase = 16;
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return Asm65.Address.ParseAddress(str, (1 << 24) - 1, out value);
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} else {
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return Asm65.Number.TryParseInt(str, out value, out numBase);
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}
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}
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private void OkButton_Click(object sender, RoutedEventArgs e) {
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bool isConstant = (constantRadioButton.IsChecked == true);
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ParseValue(out int value, out int numBase);
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FormatDescriptor.SubType subType = FormatDescriptor.GetSubTypeForBase(numBase);
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int width = DefSymbol.NO_WIDTH;
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if (!string.IsNullOrEmpty(VarWidth)) {
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width = int.Parse(VarWidth);
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}
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NewSym = new DefSymbol(Label, value, Symbol.Source.Project,
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isConstant ? Symbol.Type.Constant : Symbol.Type.ExternalAddr,
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subType, Comment, string.Empty, width);
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DialogResult = true;
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}
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}
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}
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