feat: IndexExpression class to handle index expressions

yazaldefilimone · Feb 25, 2024 · 1e7f33e · 1e7f33e
1 parent 8620539
commit 1e7f33e
Showing 1 changed file with 24 additions and 0 deletions.
diff --git a/src/ast/index-expression.ts b/src/ast/index-expression.ts
@@ -0,0 +1,24 @@
+import { Token } from "token";
+import { Expression, ExpressionKind } from "./base";
+import { Maybe } from "utils";
+
+export class IndexExpression implements Expression {
+  token: Token;
+  left: Maybe<Expression>;
+  index: Maybe<Expression>;
+  kind: ExpressionKind;
+  constructor(token: Token, left: Maybe<Expression> = null, index: Maybe<Expression> = null) {
+    this.token = token;
+    this.left = left;
+    this.index = index;
+    this.kind = ExpressionKind.INDEX;
+  }
+
+  expressionNode() {}
+  tokenLiteral() {
+    return this.token.literal;
+  }
+  toString() {
+    return `(${this.left?.toString()}[${this.index?.toString()}])`;
+  }
+}