Gradle Grammar-Kit Plugin
The Gradle Grammar-Kit Plugin automates generating lexers and parsers to support building custom language plugins for IntelliJ-based IDEs when using Grammar-Kit.
Usage
To enable this plugin in your Gradle-based project, register the plugin in the Gradle build script's plugins section:
Configuration
See also Usage Examples below.
Grammar-Kit Extension
After the Gradle Grammar-Kit Plugin is applied, the grammarKit extension can be used to configure the plugin and common settings of the provided tasks.
Example:
grammarKitRelease
The release version of the Grammar-Kit to use.
- Type
String- Default value
2022.3.2
jflexRelease
The version of the IntelliJ-patched JFlex, a fork of JFlex lexer generator for IntelliJ Platform API.
- Type
String- Default value
1.9.2
intellijRelease
An optional IntelliJ IDEA version to build the classpath for GenerateParser and GenerateLexer tasks.
If provided, grammarKitRelease and jflexRelease properties are ignored as both dependencies will be provided from the given IntelliJ IDEA release.
- Type
String- Default value
null
Tasks
generateLexer
The generateLexer task generates a lexer for the given grammar.
The following sections describe task configuration options. See also Grammar-Kit Extension for common configuration.
sourceFile
The source .*flex file to generate the lexer from.
- Required
yes
- Type
String
targetOutputDir
The path to the target directory for the generated lexer.
- Required
yes
- Type
String
skeleton
An optional path to the skeleton file to use for the generated lexer. The path will be provided as --skel option. By default, it uses the idea-flex.skeleton skeleton file.
- Type
String- Default
null
purgeOldFiles
Purge old files from the target directory before generating the lexer.
- Type
Boolean- Default
false
generateParser
The generateParser task generates a parser for the given grammar.
The following sections describe task configuration options. See also Grammar-Kit Extension for common configuration.
sourceFile
The source .bnf file to generate the parser from.
- Required
yes
- Type
String
targetRootOutputDir
The path to the target directory for the generated parser.
- Type
String- Default
null
pathToParser
The location of the generated parser class, relative to the targetRootOutputDir.
- Required
yes
- Type
String
pathToPsiRoot
The location of the generated PSI files, relative to the targetRootOutputDir.
- Required
yes
- Type
String
purgeOldFiles
Purge old files from the target directory before generating the parser.
- Type
Boolean- Default
false