winglang/wing

Compiler reserved words

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#1,964 opened on Apr 2, 2023

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good first issue✨ enhancement🛠️ compiler

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Description

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Feature Spec

The Wing compiler now detects reserved words, such as this, static, private, etc. It is not possible to use these words as variable names, etc.

  • Throw error when a reserved word is used out of place.
  • The full list of reserved words should also appear on the winglang spec.

Use Cases

Right now, this compiles:

let this = 1;

Instead I'd expect an error message:

let this = 1;
//   ^^^Cannot use reserved word

Implementation Notes

No response

Component

Compiler

Contributor guide

Research direction
Find the list of reserved words in the compiler and add a check to emit an error when they are used as identifiers.
Tech stack
typescript
Domain
tooling
Issue type
Feature
DifficultyEstimated implementation difficulty for a new contributor, from 1 for very small changes to 5 for expert-level work.
3
Estimated timeA rough time range for an experienced contributor to investigate, implement, test, and prepare a pull request.
1-3 hours
Activity statusHow available the issue appears right now: fresh, active, stale, blocked, or waiting on maintainer input.
Active
ClarityHow clearly the issue explains the expected change, acceptance criteria, and next step.
Clear
Prerequisites
TypeScriptcompiler basics
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
65