From edb685f04be9aef407dc8abac7bb76fb51184f9f Mon Sep 17 00:00:00 2001
From: Feoramund <161657516+Feoramund@users.noreply.github.com>
Date: Thu, 6 Jun 2024 18:35:43 -0400
Subject: Add package `core:flags`

---
 core/flags/rtti.odin | 43 +++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 43 insertions(+)
 create mode 100644 core/flags/rtti.odin

(limited to 'core/flags/rtti.odin')

diff --git a/core/flags/rtti.odin b/core/flags/rtti.odin
new file mode 100644
index 000000000..ce7a23773
--- /dev/null
+++ b/core/flags/rtti.odin
@@ -0,0 +1,43 @@
+package flags
+
+import "base:runtime"
+
+/*
+Handle setting custom data types.
+
+Inputs:
+- data: A raw pointer to the field where the data will go.
+- data_type: Type information on the underlying field.
+- unparsed_value: The unparsed string that the flag is being set to.
+- args_tag: The `args` tag from the struct's field.
+
+Returns:
+- error: An error message, or an empty string if no error occurred.
+- handled: A boolean indicating if the setter handles this type.
+- alloc_error: If an allocation error occurred, return it here.
+*/
+Custom_Type_Setter :: #type proc(
+	data:           rawptr,
+	data_type:      typeid,
+	unparsed_value: string,
+	args_tag:       string,
+) -> (
+	error:       string,
+	handled:     bool,
+	alloc_error: runtime.Allocator_Error,
+)
+
+@(private)
+global_custom_type_setter: Custom_Type_Setter
+
+/*
+Set the global custom type setter.
+
+Note that only one can be active at a time.
+
+Inputs:
+- setter: The type setter. Pass `nil` to disable any previously set setter.
+*/
+register_type_setter :: proc(setter: Custom_Type_Setter) {
+	global_custom_type_setter = setter
+}
-- 
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