//generated by abstract-syntax-gen
package de.peeeq.wurstscript.luaAst;
import java.util.*;

public interface LuaExprOpt extends Element{
    Element getParent();
    <T> T match(Matcher<T> s);
    void match(MatcherVoid s);
    public interface Matcher<T> {
        T case_LuaExprRealVal(LuaExprRealVal luaExprRealVal);
        T case_LuaLiteral(LuaLiteral luaLiteral);
        T case_LuaExprFunctionCallE(LuaExprFunctionCallE luaExprFunctionCallE);
        T case_LuaNoExpr(LuaNoExpr luaNoExpr);
        T case_LuaExprFieldAccess(LuaExprFieldAccess luaExprFieldAccess);
        T case_LuaTableConstructor(LuaTableConstructor luaTableConstructor);
        T case_LuaExprVarAccess(LuaExprVarAccess luaExprVarAccess);
        T case_LuaExprFunctionAbstraction(LuaExprFunctionAbstraction luaExprFunctionAbstraction);
        T case_LuaExprFunctionCall(LuaExprFunctionCall luaExprFunctionCall);
        T case_LuaExprFuncRef(LuaExprFuncRef luaExprFuncRef);
        T case_LuaExprStringVal(LuaExprStringVal luaExprStringVal);
        T case_LuaExprNull(LuaExprNull luaExprNull);
        T case_LuaExprBinary(LuaExprBinary luaExprBinary);
        T case_LuaExprBoolVal(LuaExprBoolVal luaExprBoolVal);
        T case_LuaExprFunctionCallByName(LuaExprFunctionCallByName luaExprFunctionCallByName);
        T case_LuaExprMethodCall(LuaExprMethodCall luaExprMethodCall);
        T case_LuaExprIntVal(LuaExprIntVal luaExprIntVal);
        T case_LuaExprUnary(LuaExprUnary luaExprUnary);
        T case_LuaExprArrayAccess(LuaExprArrayAccess luaExprArrayAccess);
    }

    public interface MatcherVoid {
        void case_LuaExprRealVal(LuaExprRealVal luaExprRealVal);
        void case_LuaLiteral(LuaLiteral luaLiteral);
        void case_LuaExprFunctionCallE(LuaExprFunctionCallE luaExprFunctionCallE);
        void case_LuaNoExpr(LuaNoExpr luaNoExpr);
        void case_LuaExprFieldAccess(LuaExprFieldAccess luaExprFieldAccess);
        void case_LuaTableConstructor(LuaTableConstructor luaTableConstructor);
        void case_LuaExprVarAccess(LuaExprVarAccess luaExprVarAccess);
        void case_LuaExprFunctionAbstraction(LuaExprFunctionAbstraction luaExprFunctionAbstraction);
        void case_LuaExprFunctionCall(LuaExprFunctionCall luaExprFunctionCall);
        void case_LuaExprFuncRef(LuaExprFuncRef luaExprFuncRef);
        void case_LuaExprStringVal(LuaExprStringVal luaExprStringVal);
        void case_LuaExprNull(LuaExprNull luaExprNull);
        void case_LuaExprBinary(LuaExprBinary luaExprBinary);
        void case_LuaExprBoolVal(LuaExprBoolVal luaExprBoolVal);
        void case_LuaExprFunctionCallByName(LuaExprFunctionCallByName luaExprFunctionCallByName);
        void case_LuaExprMethodCall(LuaExprMethodCall luaExprMethodCall);
        void case_LuaExprIntVal(LuaExprIntVal luaExprIntVal);
        void case_LuaExprUnary(LuaExprUnary luaExprUnary);
        void case_LuaExprArrayAccess(LuaExprArrayAccess luaExprArrayAccess);
    }

    LuaExprOpt copy();
    LuaExprOpt copyWithRefs();
    /** */
    public abstract void print(StringBuilder sb, int indent);
}