public PatternRoot Deserialize(CodeFile data)
{
if (string.IsNullOrEmpty(data.Code))
{
throw new ParsingException(data, message: "Pattern value can not be empty.");
}
var parser = new DslAntlrParser()
{
Logger = Logger
};
var converter = new DslUstConverter
{
Logger = Logger,
PatternExpressionInsideStatement = PatternExpressionInsideStatement,
Data = data
};
DslParser.PatternContext patternContext = parser.Parse(data.Code);
PatternRoot patternNode = converter.Convert(patternContext);
patternNode.CodeFile = data;
var preprocessor = new PatternNormalizer()
{
Logger = Logger
};
patternNode = preprocessor.Normalize(patternNode);
return(patternNode);
}
public UstNode Deserialize(string data, LanguageFlags sourceLanguage)
{
if (string.IsNullOrEmpty(data))
{
throw new ParsingException("Pattern value can not be empty.")
{
IsPattern = true
};
}
Parser.Logger = Logger;
UstConverter.Logger = Logger;
DslParser.PatternContext patternContext = Parser.Parse(data);
UstConverter.SourceLanguage = sourceLanguage;
UstConverter.Data = data;
DslNode dslNode = UstConverter.Convert(patternContext);
UstNode result = dslNode.Collection.First();
ResultPatternVars = dslNode.PatternVarDefs;
var preprocessor = new UstPreprocessor();
preprocessor.Logger = Logger;
result = new PatternNode(result, dslNode.PatternVarDefs);
result = preprocessor.Preprocess(result);
return(result);
}
public UstNode VisitPattern(DslParser.PatternContext context)
{
DslNode result;
result = new DslNode(context.dslCode().Select(code => VisitDslCode(code)).ToList());
return(result);
}
public DslNode Convert(DslParser.PatternContext pattern)
{
try
{
unnamedVarNumber = 0;
patternVarDefs = new Dictionary <string, PatternVarDef>();
var result = (DslNode)VisitPattern(pattern);
result.PatternVarDefs = patternVarDefs.Select(keyValue => keyValue.Value).ToList();
return(result);
}
catch (Exception ex)
{
Logger.LogError(new ConversionException("Pattern", ex)
{
IsPattern = true
});
throw;
}
}
public PatternRoot Convert(DslParser.PatternContext pattern)
{
try
{
patternVars = new Dictionary <string, PatternVar>();
var result = new PatternRoot
{
Node = VisitPattern(pattern),
Languages = new HashSet <Language>(LanguageUtils.PatternLanguages.Values)
};
var ascendantsFiller = new PatternAscendantsFiller(result);
ascendantsFiller.FillAscendants();
return(result);
}
catch (Exception ex) when(!(ex is ThreadAbortException))
{
Logger.LogError(new ConversionException(Data, ex));
throw;
}
}
public DslParser.PatternContext Parse(string data)
{
DslParser.PatternContext pattern = null;
var errorListener = new AntlrMemoryErrorListener()
{
IsPattern = true
};
errorListener.FileName = "Pattern";
errorListener.FileData = data;
errorListener.Logger = Logger;
try
{
var inputStream = new AntlrInputStream(data);
DslLexer lexer = new DslLexer(inputStream);
lexer.RemoveErrorListeners();
lexer.AddErrorListener(errorListener);
var tokenStream = new CommonTokenStream(lexer);
DslParser parser = new DslParser(tokenStream);
parser.RemoveErrorListeners();
parser.AddErrorListener(errorListener);
pattern = parser.pattern();
}
catch (Exception ex)
{
Logger.LogError(new ParsingException("Pattern", ex)
{
IsPattern = true
});
throw;
}
return(pattern);
}
public DslParser.PatternContext Parse(string patternKey, string data)
{
DslParser.PatternContext pattern = null;
var sourceFile = new TextFile(data)
{
PatternKey = patternKey ?? data
};
var errorListener = new AntlrMemoryErrorListener()
{
IsPattern = true,
SourceFile = sourceFile,
Logger = Logger
};
try
{
var inputStream = new AntlrInputStream(data);
DslLexer lexer = new DslLexer(inputStream);
lexer.RemoveErrorListeners();
lexer.AddErrorListener(errorListener);
var tokenStream = new CommonTokenStream(lexer);
DslParser parser = new DslParser(tokenStream);
parser.RemoveErrorListeners();
parser.AddErrorListener(errorListener);
pattern = parser.pattern();
}
catch (Exception ex) when(!(ex is ThreadAbortException))
{
Logger.LogError(new ParsingException(sourceFile, ex));
throw;
}
return(pattern);
}
public PatternUst VisitPattern(DslParser.PatternContext context)
{
return(VisitDslCode(context.dslCode(0)));
}
