public override string WriteParseCode(TextWriter writer, ScriptParserGenerator generator)
{
IList <string> firsts = _innerExpression.GetFirstTerminals(generator);
IList <string> followings = this.GetFollowingTerminals(generator);
HashSet <string> firstSet = new HashSet <string>(firsts);
foreach (string following in followings)
{
if (firstSet.Contains(following))
{
string context = string.Format("'{0}' の定義", this.RootDefinition.DefinitionName);
string message = string.Format("省略可能な <{1}> の直後に <{0}> がありますが <{1}> の方が優先されます", following, this.ToString());
generator.Warn(context, message);
}
}
ParameterSignature returnParam = this.GetReturnParameterSignature(generator);
string returnType = returnParam.GetTypeName();
string returnVar;
writer.WriteLine(generator.GetCodeOfDeclareDefault(returnType, out returnVar));
string peekVar;
writer.WriteLine(generator.GetCodeOfPeek(out peekVar));
writer.WriteLine(generator.GetCodeOfIfOptionalLexisIn(peekVar, firsts));
string innerVar = _innerExpression.WriteParseCode(writer, generator);
writer.WriteLine(generator.GetCodeOfSubstitution(returnVar, innerVar));
writer.WriteLine(generator.GetCodeOfCloseBlock());
return(returnVar);
}
public override string WriteParseCode(TextWriter writer, ScriptParserGenerator generator)
{
IList <string> firsts = _innerExpression.GetFirstTerminals(generator);
IList <string> followings = this.GetFollowingTerminals(generator);
HashSet <string> firstSet = new HashSet <string>(firsts);
foreach (string following in followings)
{
if (firstSet.Contains(following))
{
string context = string.Format("'{0}' の定義", this.RootDefinition.DefinitionName);
string message = string.Format("<{1}> の直後の <{0}> は <{1}> によって隠されます", following, this.ToString());
generator.Warn(context, message);
}
}
ParameterSignature returnParam = this.GetReturnParameterSignature(generator);
ParameterSignature innerParam = _innerExpression.GetReturnParameterSignature(generator);
string innerType = innerParam.GetTypeName();
string innerListType = string.Format("List<{0}>", innerType);
string innerListVar;
writer.WriteLine(generator.GetCodeOfDeclareNew(innerListType, out innerListVar));
string peek;
writer.WriteLine(generator.GetCodeOfForPeekLexisIn(firsts, out peek));
string innerVar = _innerExpression.WriteParseCode(writer, generator);
writer.WriteLine(generator.GetCodeOfInvoke(innerListVar, "Add", innerVar));
writer.WriteLine(generator.GetCodeOfCloseBlock());
string returnType = returnParam.GetTypeName();
string returnVar;
writer.WriteLine(generator.GetCodeOfDeclare(returnType, out returnVar));
writer.WriteLine(generator.GetCodeOfInvokeSubstitute(returnVar, innerListVar, "ToArray"));
return(returnVar);
}
public override string WriteParseCode(TextWriter writer, ScriptParserGenerator generator)
{
return(_innerExpression.WriteParseCode(writer, generator));
}
