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nub31
2025-11-03 12:52:17 +01:00
parent 40d500fddd
commit 085f7a1a6a
17 changed files with 368 additions and 190 deletions
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55
compiler/NubLang.LSP/HoverHandler.cs
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@@ -25,24 +25,15 @@ internal class HoverHandler(WorkspaceManager workspaceManager) : HoverHandlerBas
private Hover? HandleSync(HoverParams request, CancellationToken cancellationToken)
{
var compilationUnit = workspaceManager.GetCompilationUnit(request.TextDocument.Uri);
if (compilationUnit == null)
{
return null;
}
var topLevelNodes = workspaceManager.GetTopLevelNodes(request.TextDocument.Uri.GetFileSystemPath());
var moduleDecl = compilationUnit.OfType<ModuleNode>().FirstOrDefault();
var moduleDecl = topLevelNodes.OfType<ModuleNode>().FirstOrDefault();
if (moduleDecl == null)
{
return null;
}
var moduleRepository = workspaceManager.GetModuleRepository();
if (moduleRepository == null)
{
return null;
}
if (!moduleRepository.TryGet(moduleDecl.NameToken, out var module))
{
return null;
@@ -51,14 +42,14 @@ internal class HoverHandler(WorkspaceManager workspaceManager) : HoverHandlerBas
var line = request.Position.Line;
var character = request.Position.Character;
var hoveredNode = compilationUnit.DeepestNodeAtPosition(line, character);
var hoveredNode = topLevelNodes.DeepestNodeAtPosition(line, character);
if (hoveredNode == null)
{
return null;
}
var message = CreateMessage(hoveredNode, moduleRepository, module);
var message = CreateMessage(hoveredNode, moduleRepository, module, line, character);
if (message == null)
{
return null;
@@ -74,7 +65,7 @@ internal class HoverHandler(WorkspaceManager workspaceManager) : HoverHandlerBas
};
}
private static string? CreateMessage(Node hoveredNode, ModuleRepository repository, ModuleRepository.Module currentModule)
private static string? CreateMessage(Node hoveredNode, ModuleRepository repository, ModuleRepository.Module currentModule, int line, int character)
{
return hoveredNode switch
{
@@ -99,6 +90,7 @@ internal class HoverHandler(WorkspaceManager workspaceManager) : HoverHandlerBas
U16LiteralNode u16LiteralNode => CreateLiteralMessage(u16LiteralNode.Type, u16LiteralNode.Value.ToString()),
U32LiteralNode u32LiteralNode => CreateLiteralMessage(u32LiteralNode.Type, u32LiteralNode.Value.ToString()),
U64LiteralNode u64LiteralNode => CreateLiteralMessage(u64LiteralNode.Type, u64LiteralNode.Value.ToString()),
StructInitializerNode structInitializerNode => CreateStructInitializerMessage(structInitializerNode, line, character),
// Expressions can have a generic fallback showing the resulting type
ExpressionNode expressionNode => $"""
**Expression** `{expressionNode.GetType().Name}`
@@ -111,6 +103,41 @@ internal class HoverHandler(WorkspaceManager workspaceManager) : HoverHandlerBas
};
}
private static string CreateStructInitializerMessage(StructInitializerNode structInitializerNode, int line, int character)
{
var hoveredInitializerName = structInitializerNode
.Initializers
.Select(x => x.Key)
.FirstOrDefault(x => x.ContainsPosition(line, character));
var structType = (NubStructType)structInitializerNode.Type;
if (hoveredInitializerName != null)
{
var field = structType.Fields.FirstOrDefault(x => x.Name == hoveredInitializerName.Value);
if (field != null)
{
return $"""
**Field** in `{structType}`
```nub
{hoveredInitializerName.Value}: {field.Type}
```
""";
}
else
{
return $"""
**Field** in `{structType}`
```nub
// Field not found
```
""";
}
}
return $"**Struct initializer** `{structType}`";
}
private static string CreateLiteralMessage(NubType type, string value)
{
return $"""