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danipendanipen
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Merge pull request #100 from danipen/readonly-spans
Add ReadOnlyMemory<char> support
2 parents 5150fe6 + fe73d44 commit 69881cc

28 files changed

Lines changed: 502 additions & 81 deletions

‎.gitignore‎

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Original file line numberDiff line numberDiff line change
@@ -372,3 +372,7 @@ src/.vscode/launch.json
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.idea/.idea.TextMateSharp.dir/.idea/indexLayout.xml
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.idea/.idea.TextMateSharp.dir/.idea/vcs.xml
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.idea/.idea.TextMateSharp/.idea/riderMarkupCache.xml
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.idea/.idea.TextMateSharp/.idea/copilot.data.migration.agent.xml
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.idea/.idea.TextMateSharp/.idea/copilot.data.migration.ask.xml
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.idea/.idea.TextMateSharp/.idea/copilot.data.migration.ask2agent.xml
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.idea/.idea.TextMateSharp/.idea/copilot.data.migration.edit.xml

‎TextMateSharp.sln‎

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Original file line numberDiff line numberDiff line change
@@ -31,39 +31,104 @@ Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Workflows", "Workflows", "{
3131
EndProject
3232
Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "TextMateSharp.Grammars.Tests", "src\TextMateSharp.Grammars.Tests\TextMateSharp.Grammars.Tests.csproj", "{B9194474-83A7-47E6-B5E6-6CE360B1189B}"
3333
EndProject
34+
Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "TextMateSharp.Benchmarks", "src\TextMateSharp.Benchmarks\TextMateSharp.Benchmarks.csproj", "{C1F336BA-0CAD-4A76-8C83-E0CA2DB9DA54}"
35+
EndProject
36+
Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Benchmarks", "Benchmarks", "{0D367332-B489-41A1-AD22-3F8D07F627C1}"
37+
EndProject
38+
Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Tests", "Tests", "{F84B0BEF-53D7-43AD-93AB-2025127B6D84}"
39+
EndProject
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Global
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GlobalSection(SolutionConfigurationPlatforms) = preSolution
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Debug|Any CPU = Debug|Any CPU
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Debug|x64 = Debug|x64
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Debug|x86 = Debug|x86
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Release|Any CPU = Release|Any CPU
46+
Release|x64 = Release|x64
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Release|x86 = Release|x86
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{B9194474-83A7-47E6-B5E6-6CE360B1189B}.Debug|x86.Build.0 = Debug|Any CPU
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{B9194474-83A7-47E6-B5E6-6CE360B1189B}.Release|x86.Build.0 = Release|Any CPU
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{C1F336BA-0CAD-4A76-8C83-E0CA2DB9DA54}.Debug|x64.Build.0 = Debug|Any CPU
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{C1F336BA-0CAD-4A76-8C83-E0CA2DB9DA54}.Debug|x86.ActiveCfg = Debug|Any CPU
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{C1F336BA-0CAD-4A76-8C83-E0CA2DB9DA54}.Debug|x86.Build.0 = Debug|Any CPU
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{C1F336BA-0CAD-4A76-8C83-E0CA2DB9DA54}.Release|Any CPU.ActiveCfg = Release|Any CPU
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{C1F336BA-0CAD-4A76-8C83-E0CA2DB9DA54}.Release|Any CPU.Build.0 = Release|Any CPU
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{C1F336BA-0CAD-4A76-8C83-E0CA2DB9DA54}.Release|x64.ActiveCfg = Release|Any CPU
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{C1F336BA-0CAD-4A76-8C83-E0CA2DB9DA54}.Release|x86.ActiveCfg = Release|Any CPU
121+
{C1F336BA-0CAD-4A76-8C83-E0CA2DB9DA54}.Release|x86.Build.0 = Release|Any CPU
60122
EndGlobalSection
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GlobalSection(SolutionProperties) = preSolution
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HideSolutionNode = FALSE
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EndGlobalSection
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GlobalSection(NestedProjects) = preSolution
65127
{C4A8E28E-70B0-4184-B62B-7286CB2F5756} = {FB55729C-1952-4D20-BFE7-C3202B160A0B}
66128
{46BA508A-D22E-4F76-AD27-68AC62725952} = {FB55729C-1952-4D20-BFE7-C3202B160A0B}
129+
{B9194474-83A7-47E6-B5E6-6CE360B1189B} = {F84B0BEF-53D7-43AD-93AB-2025127B6D84}
130+
{B49D3C2E-6C4E-45B3-A645-592994B7B94D} = {F84B0BEF-53D7-43AD-93AB-2025127B6D84}
131+
{C1F336BA-0CAD-4A76-8C83-E0CA2DB9DA54} = {0D367332-B489-41A1-AD22-3F8D07F627C1}
67132
EndGlobalSection
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GlobalSection(ExtensibilityGlobals) = postSolution
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SolutionGuid = {D82FE2B4-7A75-444B-AB90-DC50F82D89A8}

‎build/Directory.Build.props‎

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@@ -3,6 +3,6 @@
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<LangVersion>latest</LangVersion>
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<TreatWarningsAsErrors>true</TreatWarningsAsErrors>
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<SystemTextJsonVersion>8.0.5</SystemTextJsonVersion>
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<OnigwrapVersion>1.0.8</OnigwrapVersion>
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<OnigwrapVersion>1.0.9</OnigwrapVersion>
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</PropertyGroup>
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</Project>

‎src/TextMateSharp.Benchmarks/BigFileTokenizationBenchmark.cs‎

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using System;
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using System.IO;
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using BenchmarkDotNet.Attributes;
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using TextMateSharp.Grammars;
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namespace TextMateSharp.Benchmarks
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{
10+
[MemoryDiagnoser]
11+
public class BigFileTokenizationBenchmark
12+
{
13+
private IGrammar _grammar = null!;
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private string[] _lines = null!;
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[GlobalSetup]
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public void Setup()
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{
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// Walk up directories to find the solution root
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string? dir = AppDomain.CurrentDomain.BaseDirectory;
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string bigFilePath = "";
22+
23+
while (dir != null)
24+
{
25+
string candidate = Path.Combine(dir, "src", "TextMateSharp.Demo",
26+
"testdata", "samplefiles", "bigfile.cs");
27+
if (File.Exists(candidate))
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{
29+
bigFilePath = candidate;
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break;
31+
}
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dir = Path.GetDirectoryName(dir);
33+
}
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if (string.IsNullOrEmpty(bigFilePath) || !File.Exists(bigFilePath))
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{
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throw new FileNotFoundException(
38+
"Could not find bigfile.cs. Make sure you're running from the TextMateSharp solution directory.");
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}
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// Load the file into memory
43+
_lines = File.ReadAllLines(bigFilePath);
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Console.WriteLine($"Loaded {_lines.Length} lines from bigfile.cs");
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// Load the C# grammar
47+
RegistryOptions options = new RegistryOptions(ThemeName.DarkPlus);
48+
Registry.Registry registry = new Registry.Registry(options);
49+
_grammar = registry.LoadGrammar("source.cs");
50+
51+
if (_grammar == null)
52+
{
53+
throw new InvalidOperationException("Failed to load C# grammar");
54+
}
55+
}
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[Benchmark]
58+
public int TokenizeAllLines()
59+
{
60+
int totalTokens = 0;
61+
IStateStack? ruleStack = null;
62+
63+
for (int i = 0; i < _lines.Length; i++)
64+
{
65+
ITokenizeLineResult result = _grammar.TokenizeLine(_lines[i], ruleStack, TimeSpan.MaxValue);
66+
ruleStack = result.RuleStack;
67+
totalTokens += result.Tokens.Length;
68+
}
69+
70+
return totalTokens;
71+
}
72+
}
73+
}

‎src/TextMateSharp.Benchmarks/Program.cs‎

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using BenchmarkDotNet.Running;
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namespace TextMateSharp.Benchmarks
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{
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public class Program
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{
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public static void Main(string[] args)
8+
{
9+
BenchmarkRunner.Run<BigFileTokenizationBenchmark>();
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}
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}
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}

‎src/TextMateSharp.Benchmarks/TextMateSharp.Benchmarks.csproj‎

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@@ -0,0 +1,19 @@
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<Project Sdk="Microsoft.NET.Sdk">
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<PropertyGroup>
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<OutputType>Exe</OutputType>
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<TargetFramework>net8.0</TargetFramework>
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<IsPackable>False</IsPackable>
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<Nullable>enable</Nullable>
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</PropertyGroup>
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<ItemGroup>
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<PackageReference Include="BenchmarkDotNet" Version="0.14.0" />
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</ItemGroup>
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<ItemGroup>
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<ProjectReference Include="..\TextMateSharp.Grammars\TextMateSharp.Grammars.csproj" />
16+
<ProjectReference Include="..\TextMateSharp\TextMateSharp.csproj" />
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</ItemGroup>
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</Project>

‎src/TextMateSharp.Demo/TextMateSharp.Demo.csproj‎

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Original file line numberDiff line numberDiff line change
@@ -2,7 +2,7 @@
22

33
<PropertyGroup>
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<OutputType>Exe</OutputType>
5-
<TargetFramework>net6.0</TargetFramework>
5+
<TargetFramework>net8.0</TargetFramework>
66
<IsPackable>False</IsPackable>
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<Nullable>enable</Nullable>
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</PropertyGroup>

‎src/TextMateSharp.Grammars.Tests/TextMateSharp.Grammars.Tests.csproj‎

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@@ -1,7 +1,7 @@
11
<Project Sdk="Microsoft.NET.Sdk">
22

33
<PropertyGroup>
4-
<TargetFramework>net6.0</TargetFramework>
4+
<TargetFramework>net8.0</TargetFramework>
55
<IsPackable>false</IsPackable>
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<SignAssembly>True</SignAssembly>
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<AssemblyOriginatorKeyFile>..\TextMateSharp.snk</AssemblyOriginatorKeyFile>

‎src/TextMateSharp.Tests/Grammar/LineTextTests.cs‎

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1+
using System;
2+
3+
using NUnit.Framework;
4+
5+
using TextMateSharp.Grammars;
6+
7+
namespace TextMateSharp.Tests.Grammar
8+
{
9+
[TestFixture]
10+
public class LineTextTests
11+
{
12+
[Test]
13+
public void Constructor_WithString_ShouldStoreText()
14+
{
15+
LineText lineText = new LineText("hello world");
16+
17+
Assert.AreEqual(11, lineText.Length);
18+
Assert.AreEqual("hello world", lineText.ToString());
19+
}
20+
21+
[Test]
22+
public void Constructor_WithNullString_ShouldBeEmpty()
23+
{
24+
LineText lineText = new LineText((string)null);
25+
26+
Assert.IsTrue(lineText.IsEmpty);
27+
Assert.AreEqual(0, lineText.Length);
28+
}
29+
30+
[Test]
31+
public void Constructor_WithReadOnlyMemory_ShouldStoreText()
32+
{
33+
ReadOnlyMemory<char> memory = "hello world".AsMemory();
34+
LineText lineText = new LineText(memory);
35+
36+
Assert.AreEqual(11, lineText.Length);
37+
Assert.AreEqual("hello world", lineText.ToString());
38+
}
39+
40+
[Test]
41+
public void Constructor_WithEmptyMemory_ShouldBeEmpty()
42+
{
43+
LineText lineText = new LineText(ReadOnlyMemory<char>.Empty);
44+
45+
Assert.IsTrue(lineText.IsEmpty);
46+
Assert.AreEqual(0, lineText.Length);
47+
}
48+
49+
[Test]
50+
public void ImplicitConversion_FromString_ShouldWork()
51+
{
52+
LineText lineText = "test string";
53+
54+
Assert.AreEqual("test string", lineText.ToString());
55+
Assert.AreEqual(11, lineText.Length);
56+
}
57+
58+
[Test]
59+
public void ImplicitConversion_FromReadOnlyMemory_ShouldWork()
60+
{
61+
ReadOnlyMemory<char> memory = "test memory".AsMemory();
62+
LineText lineText = memory;
63+
64+
Assert.AreEqual("test memory", lineText.ToString());
65+
Assert.AreEqual(11, lineText.Length);
66+
}
67+
68+
[Test]
69+
public void ImplicitConversion_ToReadOnlyMemory_ShouldWork()
70+
{
71+
LineText lineText = "test";
72+
ReadOnlyMemory<char> memory = lineText;
73+
74+
Assert.AreEqual(4, memory.Length);
75+
Assert.AreEqual("test", memory.Span.ToString());
76+
}
77+
78+
[Test]
79+
public void Memory_Property_ShouldReturnUnderlyingMemory()
80+
{
81+
LineText lineText = "hello";
82+
83+
ReadOnlyMemory<char> memory = lineText.Memory;
84+
85+
Assert.AreEqual(5, memory.Length);
86+
Assert.AreEqual('h', memory.Span[0]);
87+
Assert.AreEqual('o', memory.Span[4]);
88+
}
89+
90+
[Test]
91+
public void IsEmpty_WithEmptyString_ShouldReturnTrue()
92+
{
93+
LineText lineText = "";
94+
95+
Assert.IsTrue(lineText.IsEmpty);
96+
}
97+
98+
[Test]
99+
public void IsEmpty_WithNonEmptyString_ShouldReturnFalse()
100+
{
101+
LineText lineText = "x";
102+
103+
Assert.IsFalse(lineText.IsEmpty);
104+
}
105+
106+
[Test]
107+
public void Default_LineText_ShouldBeEmpty()
108+
{
109+
LineText lineText = default;
110+
111+
Assert.IsTrue(lineText.IsEmpty);
112+
Assert.AreEqual(0, lineText.Length);
113+
}
114+
115+
[Test]
116+
public void ToString_ShouldReturnStringRepresentation()
117+
{
118+
LineText lineText = "hello world";
119+
120+
Assert.AreEqual("hello world", lineText.ToString());
121+
}
122+
123+
[Test]
124+
public void SlicedMemory_ShouldWorkCorrectly()
125+
{
126+
char[] buffer = "hello world".ToCharArray();
127+
ReadOnlyMemory<char> sliced = buffer.AsMemory().Slice(6, 5);
128+
LineText lineText = sliced;
129+
130+
Assert.AreEqual("world", lineText.ToString());
131+
Assert.AreEqual(5, lineText.Length);
132+
}
133+
134+
[Test]
135+
public void UnicodeText_ShouldBeHandledCorrectly()
136+
{
137+
LineText lineText = "안녕하세요";
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Assert.AreEqual(5, lineText.Length);
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Assert.AreEqual("안녕하세요", lineText.ToString());
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}
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[Test]
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public void CharArrayMemory_ShouldWorkWithLineText()
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{
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char[] buffer = new char[] { 'a', 'b', 'c', 'd', 'e' };
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LineText lineText = (ReadOnlyMemory<char>)buffer.AsMemory();
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Assert.AreEqual(5, lineText.Length);
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Assert.AreEqual("abcde", lineText.ToString());
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}
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}
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}

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