liquid-java/liquidjava

Change instance variable numbers for line numbers instead of counter

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#132 opened on Dec 10, 2025

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enhancementgood first issue

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Description

Whenever we are creating a new instance of a variable or a fresh one, we keep the variable name and concatenate it with an incremental counter (e.g., a0, x1, y2). A simple change would be to use the line number where this value was introduced, instead of the counter. Example:

The error could be #x_25 == #x_24 - 10 where 24 and 25 are the lines where these were introduced. A question could be, if multiple vars are changed could we still use the same tactic? Lets try and make some tests to see.

Contributor guide

Research direction
Investigate how instance variable names are generated in error messages and where the incremental counter is used. Replace the counter with the line number, then update or add tests to verify the new naming behavior.
Tech stack
java
Domain
compilersdeveloper experience
Issue type
Feature
DifficultyEstimated implementation difficulty for a new contributor, from 1 for very small changes to 5 for expert-level work.
2
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
JavaGit
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
75