/// <summary>
/// 評価用メソッド.
/// </summary>
/// <param name="context">コンテキストオブジェクト.</param>
public override void Interpret(GeneratorContext context) {
// 戻り値の準備
Result result = new Result(Name);
Token<TokenType> token = context.Current;
if (token == null) {
context.PushResult(result);
return;
}
result.IsMatch = token.Type.Name == Name;
if (result.IsMatch) {
result.Matches.AddToken(token);
context.Next();
}
DebugLog(string.Format(
"TerminalExpression.Interpret(): {0} = {1}, {2}",
token.Type.Name,
Name,
result.IsMatch
));
// 戻り値
context.PushResult(result);
}
/// <summary>
/// 評価用メソッド.
/// </summary>
/// <param name="context">コンテキストオブジェクト.</param>
public override void Interpret(GeneratorContext context)
{
DebugLog("NonterminalExpression.Interpret(): " + Name);
// 戻り値の準備
Result result = new Result(Name);
//Matches = new TokenMatches(Name);
//IsMatch = false;
if (context.Fields.ContainsKey(Name) == false)
{
throw new InterpreterException("NonterminalExpression.Interpret() Error");
}
GeneratedExpression exp = context.Fields[Name];
exp.Interpret(context);
Result itemResult = context.PopResult();
result.IsMatch = itemResult.IsMatch;
result.Matches.ConcatTokens(itemResult.Matches);
context.PushResult(result);
}
/// <summary>
/// 評価用メソッド.
/// </summary>
/// <param name="context">コンテキストオブジェクト.</param>
public override void Interpret(GeneratorContext context)
{
DebugLog("GroupExpression.Interpret(): " + Name + ", " + Expressions.Count);
// 戻り値の準備
Result result = new Result(Name);
//Matches = new TokenMatches(Name);
//IsMatch = false;
foreach (GeneratedExpression exp in Expressions)
{
exp.Interpret(context);
Result itemResult = context.PopResult();
result.Matches.ConcatTokens(itemResult.Matches);
if (itemResult.IsMatch == false)
{
if (exp.Type == ExpressionType.Option)
{
continue;
}
result.IsMatch = false;
//throw new InterpreterException("FieldExpression.Interpret() Error");
break;
}
else
{
result.IsMatch = true;
}
}
context.PushResult(result);
}
/// <summary>
/// 評価用メソッド.
/// </summary>
/// <param name="context">コンテキストオブジェクト.</param>
public override void Interpret(GeneratorContext context)
{
DebugLog("OrExpression.Interpret(): " + Name + ", " + Expressions.Count);
// 戻り値の準備
Result result = new Result(Name);
//Matches = new TokenMatches(Name);
//IsMatch = false;
foreach (GeneratedExpression exp in Expressions)
{
//Console.WriteLine("*** OrExpression.Interpret(): " + exp.Name);
exp.Interpret(context);
//Console.WriteLine("*** OrExpression.Interpret(): " + exp.IsMatch);
Result itemResult = context.PopResult();
if (itemResult.IsMatch)
{
result.IsMatch = true;
result.Matches.ConcatTokens(itemResult.Matches);
break;
}
}
context.PushResult(result);
}
/// <summary>
/// 評価用メソッド.
/// </summary>
/// <param name="context">コンテキストオブジェクト.</param>
public override void Interpret(GeneratorContext context)
{
DebugLog("OptionExpression.Interpret(): " + Name);
// 戻り値の準備
Result result = new Result(Name);
//Matches = new TokenMatches(Name);
//IsMatch = false;
foreach (GeneratedExpression exp in Expressions)
{
exp.Interpret(context);
Result itemResult = context.PopResult();
if (itemResult.IsMatch)
{
result.IsMatch = true;
result.Matches.ConcatTokens(itemResult.Matches);
//Matches.ConcatTokens(exp.Matches);
//break;
}
else
{
result.Matches.ConcatTokens(itemResult.Matches);
//Matches.ConcatTokens(exp.Matches);
break;
}
}
context.PushResult(result);
}
/// <summary>
/// 評価用メソッド.
/// </summary>
/// <param name="context">コンテキストオブジェクト.</param>
public override void Interpret(GeneratorContext context)
{
DebugLog("FieldExpression.Interpret(): " + Name);
// 戻り値の準備
Result result = new Result(Name);
// 子要素を巡回する
foreach (GeneratedExpression exp in Expressions)
{
DebugLog("-\tFieldExpression.Expressions : (" + exp.Name + ")");
exp.Interpret(context);
Result itemResult = context.PopResult();
result.Matches.ConcatTokens(itemResult.Matches);
if (itemResult.IsMatch == false)
{
DebugLog("-\texp.IsMatch == false : (" + exp.Name + ")");
if (exp.Type == ExpressionType.Option)
{
continue;
}
result.IsMatch = false;
//throw new InterpreterException("FieldExpression.Interpret() Error");
break;
}
else
{
result.IsMatch = true;
}
}
// マッチしたらイベントを発生させる
if (result.IsMatch)
{
context.OnMatchField(Name, result.Matches);
}
context.PushResult(result);
}
/// <summary>
/// 評価用メソッド.
/// </summary>
/// <param name="context">コンテキストオブジェクト.</param>
public override void Interpret(GeneratorContext context)
{
DebugLog("LoopExpression.Interpret(): " + Name + ", " + Expressions.Count);
// 戻り値の準備
Result result = new Result(Name);
int maxCount = 0;
foreach (GeneratedExpression exp in Expressions)
{
if (exp.Type != ExpressionType.Option)
{
maxCount++;
}
}
bool loop = true;
while (loop)
{
int count = 0;
GeneratedExpression exp2 = null;
foreach (GeneratedExpression exp in Expressions)
{
exp2 = exp;
DebugLog("LoopExpression.Expressions : (" + exp.Name + ")");
exp.Interpret(context);
Result itemResult = context.PopResult();
result.IsMatch = itemResult.IsMatch;
if (itemResult.IsMatch == false)
{
if (exp.Type == ExpressionType.Option)
{
continue;
}
DebugLog("-\texp.IsMatch == false : (" + exp.Name + ")");
break;
}
result.Matches.ConcatTokens(itemResult.Matches);
//Matches.ConcatTokens(exp.Matches);
count++;
}
if (count == 0)
{
//Console.WriteLine("LoopExpression: count == 0: " + exp2.Type + ", " + exp2.Name);
break;
}
if (count == maxCount)
{
}
if (count != maxCount)
{
ThrowParseException(
ErrorMessages.UnexpectedToken, context.Current
);
}
Token <TokenType> token = context.Current;
if (token == null)
{
loop = false;
break;
}
}
context.PushResult(result);
//Matches = matches;
}