opening_hours_grammar

ANTLR grammar for opening_hours from OpenStreetMap

Limitations and trade offs

• No deep semantic ATM ("14:00-12:00" is "okay") because first iterations should be flexible
• There no linter YET. No soft error checking in minimal version, like opening_hours.js (HTML-like parsing "Oh you did mistake here, let me fix this for you" is not goal of this project); because it will bloat grammar in every aspect and direction.
• Multiple versions of grammar (more/less restrictive) may occur over time.

Contributing

How to use

IDE

• IDEA https://github.com/antlr/intellij-plugin-v4#intellij-idea-plugin-for-antlr-v4
• Eclipse https://github.com/jknack/antlr4ide#requirements
• VS https://visualstudiogallery.msdn.microsoft.com/25b991db-befd-441b-b23b-bb5f8d07ee9f

Command line

• http://www.antlr.org/index.html

How to develop

• https://github.com/antlr/antlr4/blob/master/doc/index.md
• https://github.com/antlr/antlr4/blob/master/doc/lexer-rules.md
• https://github.com/antlr/antlr4/blob/master/doc/parser-rules.md