AST works for variable reassignment

kinda coded horribly tho lol

debug/ast.json

@@ -21,24 +21,35 @@
                             },
                             "value": {
                                 "type": "IntegerLiteral",
-                                "value": 123
+                                "value": 0
                             },
                             "value_type": "Int"
                         },
                         {
-                            "type": "ReturnStatement",
-                            "return_value": {
+                            "type": "ReassignStatement",
+                            "ident": {
+                                "type": "IdentifierLiteral",
+                                "value": "x"
+                            },
+                            "right_value": {
                                 "type": "InfixExpression",
                                 "left_node": {
                                     "type": "IdentifierLiteral",
                                     "value": "x"
                                 },
-                                "operator": "+",
+                                "operator": "*",
                                 "right_node": {
                                     "type": "IntegerLiteral",
-                                    "value": 5
+                                    "value": 2
                                 }
                             }
+                        },
+                        {
+                            "type": "ReturnStatement",
+                            "return_value": {
+                                "type": "IdentifierLiteral",
+                                "value": "x"
+                            }
                         }
                     ]
                 }

debug/ir.ll

@@ -0,0 +1,18 @@
+; ModuleID = "main"
+target triple = "x86_64-pc-windows-msvc"
+target datalayout = ""
+
+define i32 @"main"()
+{
+main_entry:
+  %".2" = alloca i32
+  store i32 0, i32* %".2"
+  %".4" = load i32, i32* %".2"
+  ret i32 %".4"
+}
+
+define i32 @"test"()
+{
+test_entry:
+  ret i32 123
+}