feat: partially implement execution

1 files changed, 38 insertions, 0 deletions

diff --git a/src/Execution/StackEntry.php b/src/Execution/StackEntry.php
new file mode 100644
index 0000000..8a9d7dd
--- /dev/null
+++ b/src/Execution/StackEntry.php
@@ -0,0 +1,38 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Nsfisis\Waddiwasi\Execution;
+
+use Nsfisis\Waddiwasi\Structure\Instructions\Instr;
+
+abstract readonly class StackEntry
+{
+    final public static function Value(Val $inner): StackEntries\Value
+    {
+        return new StackEntries\Value($inner);
+    }
+
+    /**
+     * @param int<0, max> $arity
+     * @param list<Instr> $target
+     */
+    final public static function Label(
+        int $arity,
+        array $target,
+    ): StackEntries\Label {
+        return new StackEntries\Label($arity, $target);
+    }
+
+    /**
+     * @param int<0, max> $arity
+     * @param list<Val> $locals
+     */
+    final public static function Frame(
+        int $arity,
+        array $locals,
+        ModuleInst $module,
+    ): StackEntries\Frame {
+        return new StackEntries\Frame($arity, $locals, $module);
+    }
+}