build.gradle

plugins {
    id 'java'
    id 'antlr'
    id 'application'
}

group 'com.example'
version '1.0-SNAPSHOT'

repositories {
    mavenCentral()
}

dependencies {
    // ANTLR dependency
    antlr 'org.antlr:antlr4:4.9.2'

    // ASM dependencies
    implementation 'org.ow2.asm:asm:9.2'
    implementation 'org.ow2.asm:asm-commons:9.2'

    implementation 'commons-cli:commons-cli:1.5.0'


    // JUnit for testing
    testImplementation 'junit:junit:4.13.2'
}

sourceSets {
    main {
        java {
            // Include generated ANTLR sources in the compilation process
            srcDirs += "${buildDir}/generated-src/antlr/main"
        }
    }
}

tasks.withType(JavaCompile) {
    // Ensure generated ANTLR sources are compiled
    dependsOn tasks.generateGrammarSource
}

generateGrammarSource {
    arguments += ['-visitor'] // Generates a parse tree visitor class
    outputDirectory = file("${buildDir}/generated-src/antlr/main/com/example")
}

// Task to add a package declaration to the generated ANTLR files
tasks.named("generateGrammarSource") {
    doLast {
        def outputDir = file("${buildDir}/generated-src/antlr/main/com/example")
        outputDir.eachFileRecurse { file ->
            if (file.name.endsWith('.java')) {
                def lines = file.readLines()
                lines.add(0, "package com.example;")
                file.text = lines.join('\n')
            }
        }
    }
}

jar {
    manifest {
        attributes(
                'Main-Class': 'com.example.Main' // Entry point for your compiler
        )
    }
}

java {
    sourceCompatibility = JavaVersion.VERSION_11
    targetCompatibility = JavaVersion.VERSION_11
}

application {
    mainClass = 'com.example.Main'
}