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fix: preserve parse options for AOT compilation compatibility #69

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gunpal5 merged 1 commit into from
Dec 26, 2025
Merged

fix: preserve parse options for AOT compilation compatibility #69

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35 changes: 13 additions & 22 deletions src/libs/CSharpToJsonSchema.Generators/Conversion/SymbolGenerator.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -71,16 +71,14 @@ public static class SymbolGenerator
.AddMembers(ns) // if ns is a NamespaceDeclarationSyntax
.NormalizeWhitespace();

var parseOptions = CSharpParseOptions.Default.WithLanguageVersion(originalCompilation.GetLanguageVersion()?? LanguageVersion.Default);
var syntaxTree =CSharpSyntaxTree.Create(compilationUnit,parseOptions);
//CSharpSyntaxTree.Create(ns.NormalizeWhitespace());
// Get parse options from an existing syntax tree to preserve all features (needed for AOT)
var parseOptions = originalCompilation.SyntaxTrees.FirstOrDefault()?.Options as CSharpParseOptions
?? CSharpParseOptions.Default.WithLanguageVersion(originalCompilation.GetLanguageVersion() ?? LanguageVersion.Default);
var syntaxTree = CSharpSyntaxTree.Create(compilationUnit, parseOptions);

// Now we need to add this syntax tree to a new or existing compilation
var assemblyName = "TemporaryAssembly";
var compilation = originalCompilation
.AddSyntaxTrees(syntaxTree);
//.WithAssemblyName(assemblyName);


// Get the semantic model for our newly added syntax tree
var semanticModel = compilation.GetSemanticModel(syntaxTree);
Expand All @@ -96,43 +94,36 @@ public static class SymbolGenerator
var classSymbol = semanticModel.GetDeclaredSymbol(classNode) as ITypeSymbol;
return classSymbol;
}

public static INamedTypeSymbol? GenerateToolJsonSerializerContext(
string rootNamespace,
Compilation originalCompilation)
{


// Example: we create a class name
var className = $"ToolsJsonSerializerContext";



// Build a class declaration
var classDecl = SyntaxFactory.ClassDeclaration(className)
.AddModifiers(SyntaxFactory.Token(SyntaxKind.PublicKeyword))
.AddModifiers(SyntaxFactory.Token(SyntaxKind.PartialKeyword));

// We create a compilation unit holding our new class



var namespaceName =rootNamespace; // choose your own
var namespaceName = rootNamespace;
var ns = SyntaxFactory.NamespaceDeclaration(SyntaxFactory.IdentifierName(namespaceName))
.AddMembers(classDecl);

var compilationUnit = SyntaxFactory.CompilationUnit()
.AddMembers(ns) // if ns is a NamespaceDeclarationSyntax
.AddMembers(ns)
.NormalizeWhitespace();

var parseOptions = CSharpParseOptions.Default.WithLanguageVersion(originalCompilation.GetLanguageVersion()?? LanguageVersion.Default);
var syntaxTree =CSharpSyntaxTree.Create(compilationUnit,parseOptions);
//CSharpSyntaxTree.Create(ns.NormalizeWhitespace());

// Get parse options from an existing syntax tree to preserve all features (needed for AOT)
var parseOptions = originalCompilation.SyntaxTrees.FirstOrDefault()?.Options as CSharpParseOptions
?? CSharpParseOptions.Default.WithLanguageVersion(originalCompilation.GetLanguageVersion() ?? LanguageVersion.Default);
var syntaxTree = CSharpSyntaxTree.Create(compilationUnit, parseOptions);

// Now we need to add this syntax tree to a new or existing compilation
var assemblyName = "TemporaryAssembly";
var compilation = originalCompilation
.AddSyntaxTrees(syntaxTree);
//.WithAssemblyName(assemblyName);


// Get the semantic model for our newly added syntax tree
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