From 4883c503a882a3168f23cdb50dec289908a54666 Mon Sep 17 00:00:00 2001
From: Krystine Sherwin <93062060+KrystalDelusion@users.noreply.github.com>
Date: Fri, 21 Feb 2025 16:10:51 +1300
Subject: [PATCH] celltypes: get_cell() helper

Add `CellTypes::get_cell()` which takes a 'type' `IdString` and returns the corresponding `CellType` if it is in the `cell_types` dict, otherwise returns `nullptr`.
Useful for getting a cell type by name and then checking its attributes.
---
 kernel/celltypes.h | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/kernel/celltypes.h b/kernel/celltypes.h
index 08773b4eb..441fc1d10 100644
--- a/kernel/celltypes.h
+++ b/kernel/celltypes.h
@@ -331,6 +331,15 @@ struct CellTypes
 		cell_types.clear();
 	}
 
+	const CellType* get_cell(RTLIL::IdString type) const
+	{
+		auto it = cell_types.find(type);
+		if (it == cell_types.end())
+			return nullptr;
+		else
+			return &(it->second);
+	}
+
 	bool cell_known(RTLIL::IdString type) const
 	{
 		return cell_types.count(type) != 0;