initial commit

1 files changed, 41 insertions, 0 deletions

diff --git a/runtime/lua/core/commands.lua b/runtime/lua/core/commands.lua
new file mode 100644
index 0000000..2aa484d
--- /dev/null
+++ b/runtime/lua/core/commands.lua
@@ -0,0 +1,41 @@
+local M = {}
+
+function M.define(state, name, fn)
+  state.commands[name] = fn
+end
+
+function M.bind(state, key, command_name)
+  state.keymap[key] = command_name
+end
+
+function M.call(state, name, ...)
+  local fn = state.commands[name]
+  if not fn then
+    return false, "Unknown command: " .. tostring(name)
+  end
+
+  local ok, err = pcall(fn, ...)
+  if not ok then
+    return false, tostring(err)
+  end
+
+  return true
+end
+
+function M.bind_fn(state, key, fn)
+  if type(key) ~= "string" or key == "" then
+    return false, "key must be a non-empty string"
+  end
+  if type(fn) ~= "function" then
+    return false, "bind_fn requires a function"
+  end
+
+  local name = string.format("anon:%d", state.next_anon_command_id)
+  state.next_anon_command_id = state.next_anon_command_id + 1
+
+  state.commands[name] = fn
+  state.keymap[key] = name
+  return true
+end
+
+return M