From f4b8d8e58b82b29b3cc765c44045b86d6ec44054 Mon Sep 17 00:00:00 2001
From: Uko Kokņevičs
Date: Sat, 18 Oct 2025 07:31:03 +0300
Subject: Utilise alexandria:with-gensyms

---
 src/tg/type-macros.lisp | 30 +++++++++++++-----------------
 1 file changed, 13 insertions(+), 17 deletions(-)

(limited to 'src/tg/type-macros.lisp')

diff --git a/src/tg/type-macros.lisp b/src/tg/type-macros.lisp
index 390781f..5f99cba 100644
--- a/src/tg/type-macros.lisp
+++ b/src/tg/type-macros.lisp
@@ -3,6 +3,7 @@
 (defpackage :ukkoclot/tg/type-macros
   (:documentation "Macros for easy defining TG types.")
   (:use :c2cl :iterate)
+  (:import-from :alexandria :with-gensyms)
   (:import-from :com.dieggsy.f-string :enable-f-strings)
   (:import-from :ukkoclot/serializing :parse-value)
   (:import-from :ukkoclot/hash-tables :gethash-lazy)
@@ -54,7 +55,7 @@
     `(list ,(field-hash-key field) ,value ',(field-type field)))
 
   (defun emit-collect-nondefault-fields (name fields obj collector)
-    (let ((value (gensym "VALUE")))
+    (with-gensyms (value)
       (iter (for field in (reverse fields))
             (collect
                 (if (field-skip-if-default field)
@@ -70,8 +71,7 @@
     `(gethash-lazy ,(field-hash-key field) ,source ,(field-default field)))
 
   (defun emit-jzon-coerced-fields (name fields)
-    (let ((obj (gensym "OBJ"))
-          (result (gensym "RESULT")))
+    (with-gensyms (obj result)
       `(defmethod jzon:coerced-fields ((,obj ,name))
          (let (,result)
            ,@(emit-collect-nondefault-fields
@@ -85,9 +85,8 @@
       (parse-value ',(field-type field) ,(emit-gethash field source))))
 
   (defun emit-parse-value (name fields)
-    (let ((type-sym (gensym "TYPE-SYM"))
-          (source (gensym "SOURCE")))
-      `(defmethod parse-value ((,type-sym (eql ',name)) ,source)
+    (with-gensyms (source type)
+      `(defmethod parse-value ((,type (eql ',name)) ,source)
          (let (,@(iter (for field in fields)
                        (collect (emit-let-gethash field source))))
            (,(type-constructor name)
@@ -95,10 +94,7 @@
                     (appending (emit-constructor-args field))))))))
 
   (defun emit-printer (name printer-name fields)
-    (let ((obj (gensym "OBJ"))
-          (stream (gensym "STREAM"))
-          (depth (gensym "DEPTH"))
-          (pprint-args (gensym "PPRINT-ARGS")))
+    (with-gensyms (depth obj pprint-args stream)
       `(defun ,printer-name (,obj ,stream ,depth) ; lint:suppress lambda-list-invalid
          (declare (ignore ,depth))
          (let (,pprint-args)
@@ -117,10 +113,10 @@
     `(,(field-name field) ,(field-default field) :type ,(field-type field))))
 
 (defmacro define-tg-type (name &body field-specs)
-  (let ((fields (parse-field-specs field-specs))
-        (printer-name (gensym "PRINTER")))
-    `(progn
-       ,(emit-struct name printer-name fields)
-       ,(emit-printer name printer-name fields)
-       ,(emit-parse-value name fields)
-       ,(emit-jzon-coerced-fields name fields))))
+  (let ((fields (parse-field-specs field-specs)))
+    (with-gensyms (printer)
+      `(progn
+         ,(emit-struct name printer fields)
+         ,(emit-printer name printer fields)
+         ,(emit-parse-value name fields)
+         ,(emit-jzon-coerced-fields name fields)))))
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