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feat(codegen): Adds support for partial opt-in with already existing properties (#617)

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- [X] Fixes an issue with ordering of properties in serialization.
- [X] Adds opt-in with existing properties.

Example:
```cs
private int _myExistingField;

[SerializableField(1)]
public int MyExistingProperty
{
    get => _myExistingField;
    set
    {
        if (value == 0)
        {
            Parent = null;
        }
        
        if (value != _myExistingField)
        {
            ((ISerializable)this).MarkDirty();
            _myExistingField = value;
        }
    }
}
```
This commit is contained in:
Kamron Batman 2021-05-26 13:20:52 -07:00 • committed by GitHub
parent 1ac91c3998
commit 3c6356e8fa
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23
16 changed files with 152 additions and 100 deletions
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44
Projects/SerializationGenerator/SerializerSyntaxReceiver.cs
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@ -23,7 +23,7 @@ namespace SerializationGenerator
public class SerializerSyntaxReceiver : ISyntaxContextReceiver
{
#pragma warning disable RS1024
public Dictionary<INamedTypeSymbol, List<IFieldSymbol>> ClassAndFields { get; } = new(SymbolEqualityComparer.Default);
public Dictionary<INamedTypeSymbol, List<ISymbol>> ClassAndFields { get; } = new(SymbolEqualityComparer.Default);
#pragma warning restore RS1024
public static HashSet<string> AttributeTypes { get; } = new();
@ -39,7 +39,7 @@ namespace SerializationGenerator
if (classSymbol.GetAttributes().Any(ad => AttributeTypes.Contains(ad.AttributeClass?.ToDisplayString()) && !ClassAndFields.ContainsKey(classSymbol)))
{
ClassAndFields.Add(classSymbol, new List<IFieldSymbol>());
ClassAndFields.Add(classSymbol, new List<ISymbol>());
}
return;
@ -47,25 +47,35 @@ namespace SerializationGenerator
if (context.Node is FieldDeclarationSyntax { AttributeLists: { Count: > 0 } } fieldDeclarationSyntax)
{
foreach (VariableDeclaratorSyntax variable in fieldDeclarationSyntax.Declaration.Variables)
foreach (var variable in fieldDeclarationSyntax.Declaration.Variables)
{
if (context.SemanticModel.GetDeclaredSymbol(variable) is not IFieldSymbol fieldSymbol)
if (context.SemanticModel.GetDeclaredSymbol(variable) is IFieldSymbol fieldSymbol)
{
return;
AddFieldOrProperty(fieldSymbol);
}
}
}
else if (context.Node is PropertyDeclarationSyntax { AttributeLists: { Count: > 0 } } propertyDeclarationSyntax)
{
if (context.SemanticModel.GetDeclaredSymbol(propertyDeclarationSyntax) is IPropertySymbol propertySymbol)
{
AddFieldOrProperty(propertySymbol);
}
}
}
if (fieldSymbol.GetAttributes().Any(ad => AttributeTypes.Contains(ad.AttributeClass?.ToDisplayString())))
{
var classSymbol = fieldSymbol.ContainingType;
if (ClassAndFields.TryGetValue(classSymbol, out var fieldsList))
{
fieldsList.Add(fieldSymbol);
}
else
{
ClassAndFields.Add(classSymbol, new List<IFieldSymbol> { fieldSymbol });
}
}
private void AddFieldOrProperty(ISymbol symbol)
{
if (symbol.GetAttributes().Any(ad => AttributeTypes.Contains(ad.AttributeClass?.ToDisplayString())))
{
var classSymbol = symbol.ContainingType;
if (ClassAndFields.TryGetValue(classSymbol, out var fieldsList))
{
fieldsList.Add(symbol);
}
else
{
ClassAndFields.Add(classSymbol, new List<ISymbol> { symbol });
}
}
}