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A Lua 5.3 Lexer & Parser written in pure Kotlin.

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package io.github.dingyi222666.luaparser.parser.ast.node

import io.github.dingyi222666.luaparser.parser.ast.visitor.ASTVisitor

/**
 * @author: dingyi
 * @date: 2021/10/7 10:11
 * @description:
 **/
class BlockNode : ASTNode() {

    val statements = mutableListOf()

    var returnStatement: ReturnStatement? = null

    fun addStatement(statement: StatementNode) {
        statements.add(statement)
    }

    override fun  accept(visitor: ASTVisitor, value: T) {
        visitor.visitBlockNode(this, value)
    }

    override fun toString(): String {
        return "BlockNode(statements=$statements, returnStatement=$returnStatement)"
    }

    override fun clone(): BlockNode {
        val thisStatements = statements.map { it.clone() }
        return BlockNode().apply {
            statements.addAll(thisStatements)
            returnStatement = returnStatement?.clone()
        }
    }

}

/**
 * @author: dingyi
 * @date: 2021/10/7 10:10
 * @description:
 **/
class ChunkNode : ASTNode() {

    lateinit var body: BlockNode

    override fun  accept(visitor: ASTVisitor, value: T) {
        visitor.visitChunkNode(this, value)
    }

    override fun toString(): String {
        return "ChunkNode(body=$body)"
    }

    override fun clone(): ChunkNode {
        return ChunkNode().apply {
            body = body.clone()
        }
    }

}