Emerge Yul recompiler (#1)

Provide a modified (and incomplete) version of ZKSync zksolc that can compile the most basic contracts

crates/llvm-context/src/eravm/context/vyper_data.rs

@@ -0,0 +1,50 @@
+//!
+//! The LLVM IR generator Vyper data.
+//!
+
+///
+/// The LLVM IR generator Vyper data.
+///
+/// Describes some data that is only relevant to Vyper.
+///
+#[derive(Debug)]
+pub struct VyperData {
+    /// The immutables size tracker. Stores the size in bytes.
+    /// Does not take into account the size of the indexes.
+    immutables_size: usize,
+    /// Whether the contract forwarder has been used.
+    is_forwarder_used: bool,
+}
+
+impl VyperData {
+    ///
+    /// A shortcut constructor.
+    ///
+    pub fn new(immutables_size: usize, is_forwarder_used: bool) -> Self {
+        Self {
+            immutables_size,
+            is_forwarder_used,
+        }
+    }
+
+    ///
+    /// Returns the size of the immutables data of the contract.
+    ///
+    pub fn immutables_size(&self) -> usize {
+        self.immutables_size
+    }
+
+    ///
+    /// Sets the forwarder usage flag.
+    ///
+    pub fn set_is_forwarder_used(&mut self) {
+        self.is_forwarder_used = true;
+    }
+
+    ///
+    /// Returns the forwarder usage flag.
+    ///
+    pub fn is_forwarder_used(&self) -> bool {
+        self.is_forwarder_used
+    }
+}