3 files changed, 60 insertions, 0 deletions
diff --git a/src/Execution/StackEntries/Frame.php b/src/Execution/StackEntries/Frame.php
new file mode 100644
index 0000000..f8bd68e
--- /dev/null
+++ b/src/Execution/StackEntries/Frame.php
@@ -0,0 +1,23 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Nsfisis\Waddiwasi\Execution\StackEntries;
+
+use Nsfisis\Waddiwasi\Execution\ModuleInst;
+use Nsfisis\Waddiwasi\Execution\StackEntry;
+use Nsfisis\Waddiwasi\Execution\Val;
+
+final readonly class Frame extends StackEntry
+{
+    /**
+     * @param int<0, max> $arity
+     * @param list<Val> $locals
+     */
+    public function __construct(
+        public int $arity,
+        public array $locals,
+        public ModuleInst $module,
+    ) {
+    }
+}
diff --git a/src/Execution/StackEntries/Label.php b/src/Execution/StackEntries/Label.php
new file mode 100644
index 0000000..b83fb0f
--- /dev/null
+++ b/src/Execution/StackEntries/Label.php
@@ -0,0 +1,21 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Nsfisis\Waddiwasi\Execution\StackEntries;
+
+use Nsfisis\Waddiwasi\Execution\StackEntry;
+use Nsfisis\Waddiwasi\Structure\Instructions\Instr;
+
+final readonly class Label extends StackEntry
+{
+    /**
+     * @param int<0, max> $arity
+     * @param list<Instr> $target
+     */
+    public function __construct(
+        public int $arity,
+        public array $target,
+    ) {
+    }
+}
diff --git a/src/Execution/StackEntries/Value.php b/src/Execution/StackEntries/Value.php
new file mode 100644
index 0000000..1cd1146
--- /dev/null
+++ b/src/Execution/StackEntries/Value.php
@@ -0,0 +1,16 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Nsfisis\Waddiwasi\Execution\StackEntries;
+
+use Nsfisis\Waddiwasi\Execution\StackEntry;
+use Nsfisis\Waddiwasi\Execution\Val;
+
+final readonly class Value extends StackEntry
+{
+    public function __construct(
+        public Val $inner,
+    ) {
+    }
+}