Merge pull request #55 from Ted-Jin-Lab/development

✨Only generate once and add the operator %

Author: Ted-Jin-Lab

Directory.Build.props

@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <Project>
   <PropertyGroup>
-    <Version>2025.11.19.1</Version>
+    <Version>2025.11.19.2</Version>
     <ImplicitUsings>enable</ImplicitUsings>
     <Nullable>enable</Nullable>
     <LangVersion>preview</LangVersion>

src/analyzers/TedToolkit.Quantities.Analyzer/QuantitiesGenerator.cs

@@ -99,6 +99,11 @@ private static void Generate(SourceProductionContext context,
         try
         {
             var (compilations, texts) = arg;
+
+            if (compilations.GetTypeByMetadataName("TedToolkit.Quantities.QuantitiesAttribute`1")?.BaseType?.GetName()
+                    ?.FullName
+                is "global::System.Attribute") return;
+
             var unitAttribute = ReadUnit(compilations);
             var tDataType = unitAttribute?.tDataType!;
             var flag = unitAttribute?.flag!;

src/analyzers/TedToolkit.Quantities.Analyzer/QuantityStructGenerator.cs

@@ -606,6 +606,26 @@ public void GenerateCode(SourceProductionContext context)
                                         IdentifierName("right"),
                                         IdentifierName("Value")))))))
                             .WithSemicolonToken(Token(SyntaxKind.SemicolonToken)),
+                        
+                        OperatorDeclaration(IdentifierName(quantity.Name), Token(SyntaxKind.PercentToken))
+                            .WithModifiers(TokenList(Token(SyntaxKind.PublicKeyword), Token(SyntaxKind.StaticKeyword)))
+                            .WithAttributeLists([GeneratedCodeAttribute(typeof(QuantityStructGenerator))])
+                            .WithParameterList(ParameterList(
+                            [
+                                Parameter(Identifier("left")).WithType(IdentifierName(quantity.Name)),
+                                Parameter(Identifier("right")).WithType(IdentifierName(quantity.Name))
+                            ]))
+                            .WithExpressionBody(ArrowExpressionClause(CastExpression(IdentifierName(quantity.Name),
+                                ParenthesizedExpression(BinaryExpression(SyntaxKind.ModuloExpression,
+                                    MemberAccessExpression(
+                                        SyntaxKind.SimpleMemberAccessExpression,
+                                        IdentifierName("left"),
+                                        IdentifierName("Value")),
+                                    MemberAccessExpression(
+                                        SyntaxKind.SimpleMemberAccessExpression,
+                                        IdentifierName("right"),
+                                        IdentifierName("Value")))))))
+                            .WithSemicolonToken(Token(SyntaxKind.SemicolonToken)),
 
                         OperatorDeclaration(IdentifierName(quantity.Name), Token(SyntaxKind.SlashToken))
                             .WithModifiers(TokenList(Token(SyntaxKind.PublicKeyword),