google/closure-compiler

Parser crashes in IDE mode with unclosed regex literal

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#2,340 opened on Feb 27, 2017

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Parserhelp wanted

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Description

https://closure-compiler-debugger.appspot.com/#input0%3D%2520%2520%252Fwriter.js%253A%26input1%26conformanceConfig%26externs%26refasterjs-template%26includeDefaultExterns%3D1%26CHECK_SYMBOLS%3D1%26MISSING_PROPERTIES%3D1%26TRANSPILE%3D1%26CHECK_TYPES%3D1%26IDE_MODE%3D1%26CLOSURE_PASS%3D1%26PRESERVE_TYPE_ANNOTATIONS%3D1%26PRETTY_PRINT%3D1

Contributor guide

Research direction
Reproduce the crash using the provided debugger link. Examine the parser code for regex literal handling, specifically in IDE mode. Trace the execution path to identify where the unclosed regex causes a crash.
Tech stack
javajavascript
Domain
backendtooling
Issue type
Bug
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.
Mostly clear
Prerequisites
JavaJavaScript
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
60