golang/go

x/tools/cmd/goyacc: goyacc does not support `%code`

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#56,944 opened on Nov 26, 2022

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FeatureRequestNeedsInvestigationToolshelp wanted

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Description

What version of Go are you using (go version)?

Does this issue reproduce with the latest release?

Yes.

What operating system and processor architecture are you using (go env)?

What did you do?

$ curl -o parser_yacc.y https://gitlab.apertis.org/pkg/apparmor/-/raw/ubuntu/master/parser/parser_yacc.y
$ goyacc -o output parser_yacc.y
invalid escape, or illegal reserved word: code: parser_yacc.y:182

What did you expect to see?

Successful processing of parser_yacc.y.

What did you see instead?

invalid escape, or illegal reserved word: code: parser_yacc.y:182

Contributor guide

Research direction
Investigate how goyacc processes directives like `%token` and `%type`, then add support for `%code` by following the same pattern in the parser generator code.
Tech stack
go
Domain
devtoolsbackend
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.
Half day
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
Go
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
60