First commit for CG

src/main.ts

@@ -0,0 +1,30 @@
+import { evaluate } from './interpreter'
+import type { AST } from './ast'
+import type { Env } from './env'
+
+const ast: AST = {
+    kind: 'binaryop',
+    operator: '+',
+    left: {
+        kind: 'literal',
+        value: { kind: 'int', value: 1 }
+    },
+    right: {
+        kind: 'binaryop',
+        operator: '*',
+        left: {
+            kind: 'literal',
+            value: { kind: 'int', value: 2 }
+        },
+        right: {
+            kind: 'literal',
+            value: { kind: 'int', value: 3 }
+        }
+    }
+};
+
+const env: Env = new Map();
+
+const res = evaluate(ast, env);
+
+console.log(res);