From 8ed7e627cfe9175458a7bae4cbf8bbb35cfc00b4 Mon Sep 17 00:00:00 2001
From: plugd <plugd@thelambdalab.xyz>
Date: Thu, 18 Nov 2021 11:29:57 +0100
Subject: [PATCH] More operations added.

---
 ez.el | 50 +++++++++++++++++++++++++++++++++++---------------
 1 file changed, 35 insertions(+), 15 deletions(-)

diff --git a/ez.el b/ez.el
index 1efc2d6..1fb0f65 100644
--- a/ez.el
+++ b/ez.el
@@ -147,14 +147,14 @@
   (let ((addr (ez-get-obj-addr obj)))
     (ez-mem-set-byte (+ addr 6) new-child)))
 
-(defun ez-get-obj-plist-addr (obj-id)
-  (let ((addr (ez-get-obj-addr obj-id)))
+(defun ez-get-obj-plist-addr (obj)
+  (let ((addr (ez-get-obj-addr obj)))
     (ez-mem-ref-word (+ addr 7))))
 
-(defun ez-get-obj-name (obj-id)
-  (let ((plist-addr (ez-get-obj-plist-addr obj-id)))
+(defun ez-get-obj-name (obj)
+  (let ((plist-addr (ez-get-obj-plist-addr obj)))
     (if (> (ez-mem-ref-byte plist-addr) 0)
-        (ez-get-zstring (+ 1 (ez-get-obj-plist-addr obj-id)))
+        (ez-get-zstring (+ 1 (ez-get-obj-plist-addr obj)))
       nil)))
 
 (defun ez-get-prop-default (prop)
@@ -527,6 +527,8 @@
     ((var #x02) storeb ez-op-storeb)
     ((2op #x10) loadb ez-op-loadb)
     ((2op #x01) je ez-op-je)
+    ((2op #x02) jl ez-op-jl)
+    ((2op #x06) jin ez-op-jin)
     ((2op #x08) or ez-op-or)
     ((2op #x09) and ez-op-and)
     ((2op #x14) add ez-op-add)
@@ -544,10 +546,12 @@
     ((1op #x09) remove_obj ez-op-remove-obj)
     ((2op #x0E) insert_obj ez-op-insert-obj)
     ((var #x03) put_prop ez-op-put-prop)
+    ((2op #x11) get_prop ez-op-get-prop)
     ((0op #x02) print ez-op-print)
     ((0op #x0B) new_line ez-op-new-line)
     ((var #x06) print_num ez-op-print-num)
-    ((var #x05) print_char ez-op-print-char)))
+    ((var #x05) print_char ez-op-print-char)
+    ((1op #x0A) print_obj ez-op-print-obj)))
 
 (defun ez-op-ret (operands &optional operand-types)
   (let ((retval (car operands)))
@@ -595,6 +599,12 @@
     (ez-op-jl (cons (ez-get-var var) (cdr operands)) (cons 'w (cdr operand-types))))
   t)
 
+(defun ez-op-jin (operands operand-types)
+  (let ((obj (car operands))
+        (n (cadr operands)))
+    (ez-do-branch (or (= n 0)
+                      (= n (ez-get-obj-parent obj)))))
+  t)
 
 (defun ez-op-jump (operands operand-types)
   (let ((offset (if (eq (car operand-types) 'b)
@@ -721,20 +731,19 @@
 (defun ez-op-get-sibling (operands operand-types)
   (let ((sib (ez-get-obj-sibling (car operands))))
     (ez-set-var (ez-read-pc-byte-and-inc) sib)
-    (ez-do-branch (> sib 0))
-    t))
+    (ez-do-branch (> sib 0)))
+  t)
 
 (defun ez-op-get-child (operands operand-types)
   (let ((child (ez-get-obj-child (car operands))))
     (ez-set-var (ez-read-pc-byte-and-inc) child)
-    (ez-do-branch (> child 0))
-    t))
+    (ez-do-branch (> child 0)))
+  t)
 
 (defun ez-op-get-parent (operands operand-types)
   (let ((parent (ez-get-obj-parent (car operands))))
-    (ez-set-var (ez-read-pc-byte-and-inc) parent)
-    (ez-do-branch (> parent 0))
-    t))
+    (ez-set-var (ez-read-pc-byte-and-inc) parent))
+  t)
 
 (defun ez-op-remove-obj (operands operand-types)
   (let ((obj (car operands)))
@@ -751,8 +760,15 @@
   (let* ((obj (car operands))
          (prop (cadr operands))
          (a (caddr operands)))
-    (ez-set-obj-prop obj prop a)
-    t))
+    (ez-set-obj-prop obj prop a))
+  t)
+
+(defun ez-op-get-prop (operands operand-types)
+  (let* ((obj (car operands))
+         (prop (cadr operands)))
+    (ez-set-var (ez-read-pc-byte-and-inc)
+                (ez-get-obj-prop obj prop)))
+  t)
 
 (defun ez-op-print (operands operand-types)
   (let* ((word-count-and-string (ez-get-zstring-and-length (ez-get-pc)))
@@ -776,6 +792,10 @@
     (ez-print (string c)))
   t)
 
+(defun ez-op-print-obj (operands operand-types)
+  (let ((obj (car operands)))
+    (ez-print (ez-get-obj-name obj)))
+  t)
 
 ;; Execution loop
 
-- 
2.20.1