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Further work on syntax highlighting support.
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6 files changed

+251
-48
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6 files changed

+251
-48
lines changed

‎GunWin/App.config‎

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@@ -1,6 +1,9 @@
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<?xml version="1.0" encoding="utf-8" ?>
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<configuration>
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<startup>
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<supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.6.1" />
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</startup>
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<startup>
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<supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.6.1" />
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</startup>
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<appSettings>
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<add key="MaximumRealtimeRenderNodes" value="50"/>
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</appSettings>
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</configuration>

‎GunWin/EditorSyntaxHighlighter.cs‎

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#region BSD 3-Clause License
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// <copyright file="EditorSyntaxHighlighter.cs" company="Edgerunner.org">
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// Copyright 2020
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// </copyright>
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//
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// BSD 3-Clause License
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//
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// Copyright (c) 2020,
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// All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are met:
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//
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// 1. Redistributions of source code must retain the above copyright notice, this
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// list of conditions and the following disclaimer.
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//
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// 2. Redistributions in binary form must reproduce the above copyright notice,
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// this list of conditions and the following disclaimer in the documentation
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// and/or other materials provided with the distribution.
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//
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// 3. Neither the name of the copyright holder nor the names of its
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// contributors may be used to endorse or promote products derived from
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// this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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// DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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// DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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// SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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// CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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#endregion
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using System.Collections.Generic;
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using System.Threading;
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using System.Windows.Forms;
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using FastColoredTextBoxNS;
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using Org.Edgerunner.ANTLR4.Tools.Testing.Grammar;
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namespace Org.Edgerunner.ANTLR4.Tools.Testing.GrunWin
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{
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public class EditorSyntaxHighlighter
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{
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private int _TokenColoringInProgress;
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public void ColorizeTokens(FastColoredTextBox editor, StyleRegistry registry, IList<TokenViewModel> tokens)
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{
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int coloring = Interlocked.Exchange(ref _TokenColoringInProgress, 1);
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if (coloring != 0)
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return;
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editor.BeginInvoke(
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new MethodInvoker(() =>
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{
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editor.BeginUpdate();
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try
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{
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foreach (var token in tokens)
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{
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var startingPlace = new Place(token.ActualToken.Column, token.ActualToken.Line - 1);
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var stoppingPlace = new Place(token.ActualToken.Column + token.Text.Length, token.ActualToken.Line - 1);
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var tokenRange = editor.GetRange(startingPlace, stoppingPlace);
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tokenRange.ClearStyle(StyleIndex.All);
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var style = registry.GetTokenStyle(token);
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tokenRange.SetStyle(style);
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}
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}
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finally
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{
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editor.EndUpdate();
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}
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_TokenColoringInProgress = 0;
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}));
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}
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}
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}

‎GunWin/GunWin.csproj‎

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@@ -64,6 +64,7 @@
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<HintPath>..\packages\ObjectListView.2.7.1.5\lib\SparkleLibrary.dll</HintPath>
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</Reference>
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<Reference Include="System" />
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<Reference Include="System.Configuration" />
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<Reference Include="System.Core" />
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<Reference Include="System.Xml.Linq" />
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<Reference Include="System.Data.DataSetExtensions" />
@@ -76,13 +77,15 @@
7677
<Reference Include="System.Xml" />
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</ItemGroup>
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<ItemGroup>
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<Compile Include="EditorSyntaxHighlighter.cs" />
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<Compile Include="GrammarSelector.cs">
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<SubType>Form</SubType>
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</Compile>
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<Compile Include="GrammarSelector.Designer.cs">
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<DependentUpon>GrammarSelector.cs</DependentUpon>
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</Compile>
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<Compile Include="Options.cs" />
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<Compile Include="StyleRegistry.cs" />
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<Compile Include="VisualAnalyzer.cs">
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<SubType>Form</SubType>
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</Compile>

‎GunWin/StyleRegistry.cs‎

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#region BSD 3-Clause License
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// <copyright file="StyleRegistry.cs" company="Edgerunner.org">
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// Copyright 2020
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// </copyright>
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//
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// BSD 3-Clause License
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//
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// Copyright (c) 2020,
9+
// All rights reserved.
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//
11+
// Redistribution and use in source and binary forms, with or without
12+
// modification, are permitted provided that the following conditions are met:
13+
//
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// 1. Redistributions of source code must retain the above copyright notice, this
15+
// list of conditions and the following disclaimer.
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//
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// 2. Redistributions in binary form must reproduce the above copyright notice,
18+
// this list of conditions and the following disclaimer in the documentation
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// and/or other materials provided with the distribution.
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//
21+
// 3. Neither the name of the copyright holder nor the names of its
22+
// contributors may be used to endorse or promote products derived from
23+
// this software without specific prior written permission.
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//
25+
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
26+
// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
27+
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
28+
// DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
29+
// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
30+
// DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
31+
// SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
32+
// CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
33+
// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
34+
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
35+
#endregion
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37+
using System;
38+
using System.Collections.Generic;
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40+
using FastColoredTextBoxNS;
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42+
using JetBrains.Annotations;
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using Org.Edgerunner.ANTLR4.Tools.Common;
45+
using Org.Edgerunner.ANTLR4.Tools.Testing.Grammar;
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47+
namespace Org.Edgerunner.ANTLR4.Tools.Testing.GrunWin
48+
{
49+
/// <summary>
50+
/// Class for managing the various Style configurations of different tokens and errors.
51+
/// </summary>
52+
public class StyleRegistry
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{
54+
private readonly IEditorGuide _EditorGuide;
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private readonly Dictionary<string, Style> _TokenStyles;
57+
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private readonly Dictionary<string, Style> _UniqueStyles;
59+
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private Style _ErrorStyle;
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public StyleRegistry([NotNull] IEditorGuide editorGuide)
63+
{
64+
_EditorGuide = editorGuide ?? throw new ArgumentNullException(nameof(editorGuide));
65+
_TokenStyles = new Dictionary<string, Style>();
66+
_UniqueStyles = new Dictionary<string, Style>();
67+
}
68+
69+
/// <summary>
70+
/// Gets the style for a given token.
71+
/// </summary>
72+
/// <param name="token">The token.</param>
73+
/// <returns>A <see cref="Style"/> instance.</returns>
74+
public Style GetTokenStyle(TokenViewModel token)
75+
{
76+
if (_TokenStyles.TryGetValue(token.Type, out var style))
77+
return style;
78+
79+
var foregroundBrush = _EditorGuide.GetTokenForegroundBrush(token.Type);
80+
var backgroundBrush = _EditorGuide.GetTokenBackgroundBrush(token.Type);
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var fontStyle = _EditorGuide.GetTokenFontStyle(token.Type);
82+
var key = foregroundBrush.GetHashCode().ToString() + backgroundBrush.GetHashCode() + fontStyle;
83+
if (_UniqueStyles.TryGetValue(key, out style))
84+
{
85+
_TokenStyles[token.Type] = style;
86+
return style;
87+
}
88+
89+
style = new TextStyle(foregroundBrush, backgroundBrush, fontStyle);
90+
_UniqueStyles[key] = style;
91+
_TokenStyles[token.Type] = style;
92+
return style;
93+
}
94+
95+
/// <summary>
96+
/// Gets the style for a parse error .
97+
/// </summary>
98+
/// <returns>A <see cref="Style"/> instance.</returns>
99+
public Style GetParseErrorStyle()
100+
{
101+
return _ErrorStyle ?? (_ErrorStyle = new WavyLineStyle(240, _EditorGuide.ErrorColor));
102+
}
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}
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}

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