lpcfmt/build.gradle at master · fluffos/lpcfmt · GitHub

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plugins {
    id 'antlr'
}

repositories {
    mavenCentral()
}

dependencies {
    antlr "org.antlr:antlr4:4.13.0"
}

// Configure ANTLR to generate Go code
generateGrammarSource {
    maxHeapSize = "64m"
    arguments += [
        '-Dlanguage=Go',
        '-visitor',
        '-package', 'parser',
        '-o', 'parser'
    ]
}

// Task to generate Go parser from grammar files
task generateGoParser(type: JavaExec) {
    description = 'Generate Go parser code from ANTLR grammar files'
    group = 'build'

    classpath = configurations.antlr
    mainClass = 'org.antlr.v4.Tool'

    args = [
        '-Dlanguage=Go',
        '-visitor',
        '-package', 'parser',
        '-o', 'parser',
        'lpc.g4'
    ]

    inputs.files('lpc.g4', 'literal.g4', 'lpcid.g4')
    outputs.dir('parser')

    doFirst {
        delete 'parser'
        mkdir 'parser'
    }
}

// Clean task to remove generated files
clean {
    delete 'parser'
    delete '.antlr'
}

// Make the default build task generate the Go parser
defaultTasks 'generateGoParser'