Dictionary<char, NamedCharacter> LiteralsCollection; // literals collection
/// <summary>
/// Translate ABNF grammar to ANTLR grammar
/// </summary>
/// <param name="input">TextReader which reads the ABNF grammar</param>
/// <param name="output">TextWriter which writes the ANTLR grammar</param>
public void Translate(TextReader input, TextWriter writer, bool performDirectTranslation)
{
// force single threaded operation
lock (SyncLock)
{
this.LiteralsCollection = new Dictionary<char, NamedCharacter>();
// open input stream
var stream = new Antlr.Runtime.ANTLRReaderStream(input);
// create lexer
var lexer = new AbnfAstLexer(stream);
// get token stream from input stream
var tokens = new CommonTokenStream(lexer);
// create parser
var parser = new AbnfAstParser(tokens);
// parse token stream
var results = parser.start();
if (parser.RecognitionExceptions.Count > 0 || lexer.RecognitionExceptions.Count > 0)
{
var message =
AntlrHelper.GetErrorMessages(parser.RecognitionExceptions)
+ AntlrHelper.GetErrorMessages(lexer.RecognitionExceptions)
;
throw new TranslationException(message, parser.RecognitionExceptions, lexer.RecognitionExceptions);
}
// get parse tree
var tree = results.Tree;
// Use simplified named characters for indirect translation
var lookup = new NamedCharacterLookupSimple();
// enable this line to use Unicode named characters for indirect translation
// var lookup = new NamedCharacterLookupUnicode();
var ruleStatistics = new RuleStatistics();
var statisticsVisitor = new TreeVisitor_GatherRuleStatistics(ruleStatistics);
statisticsVisitor.Visit(tree);
// output translated grammar
if (performDirectTranslation)
{
OutputDirectTranslation(writer, tokens, tree, lookup, ruleStatistics);
}
else
{
OutputIndirectTranslation(writer, tokens, tree, lookup, ruleStatistics);
}
}
}
Dictionary<char, NamedCharacter> LiteralsCollection; // literals collection
/// <summary>
/// Translate ABNF grammar to ANTLR grammar
/// </summary>
/// <param name="input">TextReader which reads the ABNF grammar</param>
/// <param name="output">TextWriter which writes the ANTLR grammar</param>
public void Translate(TextReader input, TextWriter writer, bool performDirectTranslation)
{
// force single threaded operation
lock (SyncLock)
{
this.LiteralsCollection = new Dictionary<char, NamedCharacter>();
// open input stream
var stream = new Antlr.Runtime.ANTLRReaderStream(input);
// create lexer
var lexer = new AbnfAstLexer(stream);
// get token stream from input stream
var tokens = new CommonTokenStream(lexer);
// create parser
var parser = new AbnfAstParser(tokens);
// parse token stream
var results = parser.start();
// get parse tree
var tree = results.Tree;
// give lexer rules unicode standard names
INamedCharacterLookup lookup = new NamedCharacterLookupUnicode();
// enable the next line to give lexer rules simple names
lookup = new NamedCharacterLookupSimple();
// output translated grammar
if (performDirectTranslation)
{
OutputDirectTranslation(writer, tokens, tree, lookup);
}
else
{
OutputIndirectTranslation(writer, tokens, tree, lookup);
}
}
}
