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Define the generated getters and setters without eval #15

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Merged
hellerve merged 1 commit into from
Oct 22, 2026
Merged

Define the generated getters and setters without eval #15

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63 changes: 29 additions & 34 deletions lua.carp
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Original file line number Diff line number Diff line change
Expand Up @@ -47,21 +47,19 @@
", returning `Nothing` if it is not "
type-article
". Leaves the stack unchanged."])]
(eval
`(do
(doc %fn-name %doc-str)
(defn %fn-name [lua index]
(if (= (Lua.type-of lua index) %type-const)
(Maybe.Just (%getter lua index))
(Maybe.Nothing)))))))
`(do
(doc %fn-name %doc-str)
(defn %fn-name [lua index]
(if (= (Lua.type-of lua index) %type-const)
(Maybe.Just (%getter lua index))
(Maybe.Nothing))))))

(defmacro luax--def-set-global [suffix pusher]
(let [fn-name (Symbol.concat ['set- suffix '-global])]
(eval
`(do
(doc %fn-name "Push `value` and assign it to the global `name`.")
(defn %fn-name [lua name value]
(do (%pusher lua value) (Lua.set-global lua (cstr name))))))))
`(do
(doc %fn-name "Push `value` and assign it to the global `name`.")
(defn %fn-name [lua name value]
(do (%pusher lua value) (Lua.set-global lua (cstr name)))))))

(defmacro luax--def-get-global [suffix article type-article]
(let [fn-name (Symbol.concat ['get- suffix '-global])
Expand All @@ -72,24 +70,22 @@
". Returns `Nothing` if the global is nil or not "
type-article
". Pops the global from the stack internally."])]
(eval
`(do
(doc %fn-name %doc-str)
(defn %fn-name [lua name]
(do
(Lua.get-global lua (cstr name))
(let-do [result (%maybe-get lua -1)] (Lua.pop lua 1) result)))))))
`(do
(doc %fn-name %doc-str)
(defn %fn-name [lua name]
(do
(Lua.get-global lua (cstr name))
(let-do [result (%maybe-get lua -1)] (Lua.pop lua 1) result))))))

(defmacro luax--def-set-field [suffix pusher]
(let [fn-name (Symbol.concat ['set- suffix '-field])]
(eval
`(do
(doc %fn-name
"Set field `name` to `value` on the table at `index`. Handles the stack index shift from pushing the value internally.")
(defn %fn-name [lua index name value]
(do
(%pusher lua value)
(Lua.set-field lua (if (< index 0) (- index 1) index) (cstr name))))))))
`(do
(doc %fn-name
"Set field `name` to `value` on the table at `index`. Handles the stack index shift from pushing the value internally.")
(defn %fn-name [lua index name value]
(do
(%pusher lua value)
(Lua.set-field lua (if (< index 0) (- index 1) index) (cstr name)))))))

(defmacro luax--def-get-field [suffix article type-article]
(let [fn-name (Symbol.concat ['get- suffix '-field])
Expand All @@ -100,13 +96,12 @@
". Returns `Nothing` if the field is nil or not "
type-article
". Pops the field value from the stack internally, leaving only the table."])]
(eval
`(do
(doc %fn-name %doc-str)
(defn %fn-name [lua index name]
(do
(ignore (Lua.get-field lua index (cstr name)))
(let-do [result (%maybe-get lua -1)] (Lua.pop lua 1) result)))))))
`(do
(doc %fn-name %doc-str)
(defn %fn-name [lua index name]
(do
(ignore (Lua.get-field lua index (cstr name)))
(let-do [result (%maybe-get lua -1)] (Lua.pop lua 1) result))))))

(defmodule Lua
(doc OK "Status code returned on success.")
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