From 41dd00295db435efb6cbe96ed2f125b812a6e1e4 Mon Sep 17 00:00:00 2001
From: Matthias Simon <matthias.simon@nokia.com>
Date: Wed, 17 Jul 2024 10:31:43 +0200
Subject: [PATCH] Add DUP instruction

---
 k3/t3xf/opcode/opcode_gen.go | 20 +++++++++++++++++++-
 k3/t3xf/opcode/opcodes.yml   | 10 ++++++++++
 2 files changed, 29 insertions(+), 1 deletion(-)

diff --git a/k3/t3xf/opcode/opcode_gen.go b/k3/t3xf/opcode/opcode_gen.go
index f84116ab..b7f2a776 100644
--- a/k3/t3xf/opcode/opcode_gen.go
+++ b/k3/t3xf/opcode/opcode_gen.go
@@ -1,5 +1,5 @@
 // Code generated from opcode.tmpl.go and by 'go generate'; DO NOT EDIT.
-// This file was generated by robots at 2024-07-17 08:44:51.337834819 +0200 CEST m=+0.920867588
+// This file was generated by robots at 2024-07-17 10:29:49.521237834 +0200 CEST m=+0.327002390
 
 // Package opcode defines the opcodes used in T3XF.
 package opcode
@@ -570,6 +570,12 @@ const (
 	//
 	DROP Opcode = 0x00a3
 
+	// Duplicate the item at the top of the stack.
+	//
+	// 	[obj] DUP [obj obj]
+	//
+	DUP Opcode = 0x00b3
+
 	// Create an alternative for an enclosing alt operation that is
 	// immediately successful. Block blk contains the code to execute
 	// if this alternative is chosen by the containing alt.
@@ -3193,6 +3199,16 @@ var Descriptions = map[Opcode]*Descriptor{
 		},
 	},
 
+	DUP: {
+		Opcode:      0x00b3,
+		Description: "Duplicate the item at the top of the stack.\n\n",
+		Context:     []string{"vm"},
+		Operations: Operation{
+			Pre:  []string{"obj"},
+			Post: []string{"obj", "obj"},
+		},
+	},
+
 	ELSE: {
 		Opcode:      0x03a3,
 		Description: "Create an alternative for an enclosing alt operation that is\nimmediately successful. Block blk contains the code to execute\nif this alternative is chosen by the containing alt.\n\n",
@@ -5786,6 +5802,7 @@ var opcodeStrings = map[Opcode]string{
 	DONEA:            "donea",
 	DOWHILE:          "dowhile",
 	DROP:             "drop",
+	DUP:              "dup",
 	ELSE:             "else",
 	ENCODE:           "encode",
 	ENCODEO:          "encodeo",
@@ -6121,6 +6138,7 @@ var opcodeNames = map[string]Opcode{
 	"donea":            DONEA,
 	"dowhile":          DOWHILE,
 	"drop":             DROP,
+	"dup":              DUP,
 	"else":             ELSE,
 	"encode":           ENCODE,
 	"encodeo":          ENCODEO,
diff --git a/k3/t3xf/opcode/opcodes.yml b/k3/t3xf/opcode/opcodes.yml
index bddb5973..7c041bb6 100644
--- a/k3/t3xf/opcode/opcodes.yml
+++ b/k3/t3xf/opcode/opcodes.yml
@@ -861,6 +861,16 @@ drop:
   description: |+
     Remove the item at the top of the stack and discard it.
 
+dup:
+  opcode: 11
+  context:
+    - vm
+  operations:
+    pre: [obj]
+    post: [obj, obj]
+  description: |+
+    Duplicate the item at the top of the stack.
+
 else:
   opcode: 58
   context: