private object _removeAt(INakoFuncCallInfo info)
{
object a = info.StackPop();
long i = info.StackPopAsInt();
if (!(a is NakoVariable))
{
throw new NakoPluginRuntimeException("『削除』の引数が変数ではありません");
}
NakoVariable av = (NakoVariable)a;
NakoVarArray a_body = null;
// 配列でなければ配列に強制変換する
if (!(av.Body is NakoVarArray))
{
a_body = info.CreateArray();
a_body.SetValuesFromString(av.Body.ToString());
av.SetBody(a_body, NakoVarType.Array);
}
else
{
a_body = (NakoVarArray)av.Body;
}
// 要素を削除する
a_body.RemoveAt((int)i);
// 結果をセット
return(null);
}
/// <summary>
/// 構文解析の行われた TopNode に対して、ILコードの発行を行う
/// 結果は、Codes に得られる
/// </summary>
public NakoILCodeList WriteIL()
{
var writer = new NakoILWriter();
writer.Write(this.topNode);
codes = writer.Result;
for (int i = 0; i < this.GlobalVar.Count(); i++) //interpreterで使えるように関数定義が保存されている変数をアドレスに変換
{
NakoVariable v = this.GlobalVar.GetVar(i);
if (v.Body is NakoNodeDefFunction)
{
NakoVariable setVar = new NakoVariable();
string label = "FUNC_" + ((NakoNodeDefFunction)v.Body).func.name;
NakoILCodeList cl = writer.Result;
for (int j = 0; j < cl.Count; j++)
{
NakoILCode c = cl [j];
if (c.value is string && (string)c.value == label)
{
setVar.SetBody(j, NakoVarType.Int);
break;
}
}
this.GlobalVar.SetVar(i, setVar);
}
}
codes.globalVar = this.GlobalVar;
return(Codes);
}
private object _append(INakoFuncCallInfo info)
{
object ary = info.StackPop(); // 参照渡しなので変数への参照が得られる
object s = info.StackPop();
if (!(ary is NakoVariable))
{
throw new NakoPluginRuntimeException("『追加』の引数がvariableではありません");
}
NakoVariable ary_link = (NakoVariable)ary;
if (ary_link.Body is NakoVarArray)
{
NakoVarArray arr = (NakoVarArray)ary_link.Body;
NakoVariable new_item = new NakoVariable();
new_item.SetBodyAutoType(s);
arr.Add(new_item);
}
else if (ary_link.Body is string && (string)ary_link.Body == "")
{
NakoVarArray arr = new NakoVarArray();
NakoVariable new_item = new NakoVariable();
new_item.SetBodyAutoType(s);
arr.Add(new_item);
ary_link.SetBody(arr, NakoVarType.Array);
}
// 結果をセット
return(null);
}
/// <summary>
/// システムに登録する
/// </summary>
/// <param name="dic"></param>
/// <param name="globalVar"></param>
public void RegisterToSystem(NakoTokenDic dic, NakoVariableManager globalVar)
{
// --- 関数
// Tokenizer に登録
for (int i = 0; i < FuncList.Count; i++)
{
NakoAPIFunc call = FuncList[i];
if (!dic.ContainsKey(call.name))
{
dic.Add(call.name, NakoTokenType.FUNCTION_NAME);
}
else
{
dic[call.name] = NakoTokenType.FUNCTION_NAME;
}
}
// NakoVariables に登録
for (int i = 0; i < FuncList.Count; i++)
{
NakoVariable var = new NakoVariable();
var.SetBody(i, NakoVarType.SystemFunc);
NakoAPIFunc call = FuncList[i];
globalVar.SetVar(call.name, var);
}
// --- 変数
foreach (string name in VarList.Keys)
{
NakoVariable var = new NakoVariable();
var.SetBodyAutoType(VarList[name]);
globalVar.SetVar(name, var);
}
}
private void st_elem()
{
object value = StackPop();
object index = StackPop();
object var = StackPop();
if (var is NakoVariable)
{
NakoVariable var2 = (NakoVariable)var;
// null か空の文字列なら NakoArray として生成
if (var2.Body == null || (var2.Type == NakoVarType.String && (string)var2.Body == ""))
{
var2.SetBody(new NakoVarArray(), NakoVarType.Array);
}
if (!(var2.Body is NakoVarArray))
{
string s = "";
if (var2.Body != null)
{
s = var2.Body.ToString();
}
var2.SetBody(new NakoVarArray(), NakoVarType.Array);
((NakoVarArray)var2.Body).SetValuesFromString(s);
}
// NakoArray なら 要素にセット
if (var2.Body is NakoVarArray)
{
NakoVarArray var3 = (NakoVarArray)(var2.Body);
NakoVariable elem = var3.GetVarFromObj(index);
if (elem == null)
{
elem = new NakoVariable();
elem.SetBodyAutoType(value);
if (index is long)
{
elem.varNo = Convert.ToInt32(index);
}
var3.SetVarFromObj(index, elem);
}
else
{
elem.SetBodyAutoType(value);
}
}
}
}
/// <summary>
/// コンストラクタ
/// </summary>
/// <param name="scope"></param>
public NakoVariableManager(NakoVariableScope scope)
{
list = new List <NakoVariable>();
names = new Dictionary <string, int>();
if (scope == NakoVariableScope.Global)
{
// 変数「それ」を登録
NakoVariable sore = new NakoVariable();
sore.SetBody(0, NakoVarType.Int);
list.Add(sore);
names[NakoReservedWord.SORE] = 0;
}
}
//> _def_function : DEF_FUNCTION _def_function_args _scope
//> ;
private bool _def_function()
{
if (!Accept(NakoTokenType.DEF_FUNCTION))
{
return(false);
}
NakoToken t = tok.CurrentToken;
tok.MoveNext(); // '*'
NakoFunc userFunc = new NakoFunc();
userFunc.funcType = NakoFuncType.UserCall;
// 引数 + 関数名の取得
_def_function_args(userFunc);
// ブロックの取得
PushFrame();
NakoNodeDefFunction funcNode = new NakoNodeDefFunction();
funcNode.func = userFunc;
parentNode = funcNode.funcBody = new NakoNode();
funcNode.RegistArgsToLocalVar();
localVar = funcNode.localVar;
if (!_scope())
{
throw new NakoParserException("関数定義中のエラー。", t);
}
PopFrame();
// グローバル変数に登録
NakoVariable v = new NakoVariable();
v.SetBody(funcNode, NakoVarType.UserFunc);
globalVar.CreateVar(userFunc.name, v);
// 関数の宣言は、ノードのトップ直下に追加する
if (!this.topNode.hasChildren())
{
this.topNode.AddChild(new NakoNode());
}
this.topNode.Children.Insert(0, funcNode);
return(true);
}
//> _def_variable : WORD (DIM_VARIABLE|DIM_NUMBER|DIM_INT|DIM_STRING|DIM_ARRAY) [=_value]
//> ;
private bool _def_variable()
{
if (!Accept(NakoTokenType.WORD))
{
return(false);
}
NakoVarType st = NakoVarType.Object;
switch (tok.NextTokenType)
{
case NakoTokenType.DIM_VARIABLE:
st = NakoVarType.Object;
break;
case NakoTokenType.DIM_NUMBER:
st = NakoVarType.Double;
break;
case NakoTokenType.DIM_INT:
st = NakoVarType.Int;
break;
case NakoTokenType.DIM_STRING:
st = NakoVarType.String;
break;
case NakoTokenType.DIM_ARRAY:
st = NakoVarType.Array;
break;
default:
return(false);
}
NakoToken t = tok.CurrentToken;
int varNo = localVar.CreateVar(t.GetValueAsName());
NakoVariable v = localVar.GetVar(varNo);
v.SetBody(null, st);
tok.MoveNext(); // skip WORD
tok.MoveNext(); // skip DIM_xxx
// 変数の初期化があるか？
if (!Accept(NakoTokenType.EQ))
{
return(true); // なければ正常値として戻る
}
tok.MoveNext(); // skip EQ
if (!_value())
{
throw new NakoParserException("変数の初期化文でエラー。", t);
}
// 代入文を作る
NakoNodeLet let = new NakoNodeLet();
let.VarNode = new NakoNodeVariable();
let.VarNode.varNo = varNo;
let.VarNode.scope = NakoVariableScope.Local;
let.ValueNode.AddChild(calcStack.Pop());
this.parentNode.AddChild(let);
return(true);
}
