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ballerina-grammar

This repository contains the .tmlanguage file describbing the ballerina language grammar. Currently its consumed by the ballerina vscode plugin to provide syntax highlighting for ballerina.

Contributing

As .tmLanguage files which are of plist format are rather hard to read to the human eye ballerina.tmLanguage file is generated from the ballerina.YAML-tmLaguage YAML file.

Any modifications by hand should be done only to this YAML file.

To generate the tmLanguage file,

npm install
npm run build

Generate language files via the scripts

  • ballerina.YAML-tmLanguage

    • Run node extract-keywords.js [path to ballerina-lang/compiler/ballerina-parser/src/main/java/io/ballerina/compiler/internal/parser/LexerTerminals.java]
    • Update ballerina.YAML-tmLanguage file with changes

  • ballerina.tmLanguage

    • Run node build-tm.js

  • ballerina.monarch.json

    • Run node build-monarch.js

  • prism-ballerina.js

    • Run cd prism && node extract-keywords.js [path to ballerina-lang/compiler/ballerina-parser/src/main/java/io/ballerina/compiler/internal/parser/LexerTerminals.java]