private bool m_trimReductions = true; // Allowes to minimize reduction tree.
#endregion Fields
#region Constructors
/// <summary>
/// Initializes new instance of Parser class.
/// </summary>
/// <param name="textReader">TextReader instance to read data from.</param>
/// <param name="grammar">Grammar with parsing tables to parser input stream.</param>
public Parser(TextReader textReader, Grammar grammar)
{
if (textReader == null)
{
throw new ArgumentNullException("textReader");
}
if (grammar == null)
{
throw new ArgumentNullException("grammar");
}
m_textReader = textReader;
m_bufferSize = MinimumBufferSize;
m_buffer = new char[m_bufferSize + 1];
m_lineLength = Undefined;
ReadBuffer();
m_inputTokens = new Token[MinimumInputTokenCount];
m_lrStack = new LRStackItem[MinimumLRStackSize];
m_grammar = grammar;
// Put grammar start symbol into LR parsing stack.
m_lrState = m_grammar.InitialLRState;
LRStackItem start = new LRStackItem();
start.m_token.m_symbol = m_grammar.StartSymbol;
start.m_state = m_lrState;
m_lrStack[m_lrStackIndex] = start;
m_reductionCount = Undefined; // there are no reductions yet.
}
static Tokenizer()
{
var grammarStream = new MemoryStream(Resources.Tokenizer); // new FileStream("Preprocessor.cgt", FileMode.Open, FileAccess.Read);
grammar = new GoldParser.Grammar(new BinaryReader(grammarStream));
grammarStream.Dispose();
}
/// <summary>
/// Initializes new instance of Parser class.
/// </summary>
/// <param name="textReader">TextReader instance to read data from.</param>
/// <param name="grammar">Grammar with parsing tables to parser input stream.</param>
public Parser(TextReader textReader, Grammar grammar)
{
if (textReader == null)
{
throw new ArgumentNullException("textReader");
}
if (grammar == null)
{
throw new ArgumentNullException("grammar");
}
m_TextReader = textReader;
m_BufferSize = MinimumBufferSize;
m_Buffer = new Char[m_BufferSize + 1];
m_LineLength = Undefined;
ReadBuffer();
m_InputTokens = new Token[MinimumInputTokenCount];
m_LRStack = new LRStackItem[MinimumLRStackSize];
m_Grammar = grammar;
// Put grammar start symbol into LR parsing stack.
m_LRState = m_Grammar.InitialLRState;
var start = new LRStackItem { Token = { Symbol = m_Grammar.StartSymbol }, State = m_LRState };
m_LRStack[m_LRStackIndex] = start;
m_CommentSymbols = new List<Regex>();
m_ReadOnlyCommentSymbols = new ReadOnlyCollection<Regex>(m_CommentSymbols);
m_CommentEndSymbols = new Stack<Regex>();
m_ReductionCount = Undefined; // there are no reductions yet.
}
public static void InitializeFactoryFromFile(string fullCGTFilePath)
{
if (!_init)
{
BinaryReader reader = new BinaryReader(new FileStream(fullCGTFilePath, FileMode.Open));
_grammar = new Grammar(reader);
_init = true;
}
}
public static void InitializeFactoryFromResource(string resourceName)
{
lock (Locker)
{
if (!_init)
{
BinaryReader reader = GetResourceReader(resourceName);
_grammar = new Grammar(reader);
_init = true;
}
}
}
private const int Undefined = -1; // Used for undefined int values.
#endregion
#region Constructors
/// <summary>
/// Initializes new instance of Parser class.
/// </summary>
/// <param name="textReader">TextReader instance to read data from.</param>
/// <param name="grammar">Grammar with parsing tables to parser input stream.</param>
public Parser(Grammar grammar)
{
if (grammar == null)
{
throw new ArgumentNullException("grammar");
}
m_lineLength = Undefined;
m_inputTokens = new Token[MinimumInputTokenCount];
m_lrStack = new LRStackItem[MinimumLRStackSize];
m_grammar = grammar;
}
public GlifInterpreter(string filename)
{
var streamReader = new StreamReader(Path.GetDirectoryName(Assembly.GetEntryAssembly().Location) + "\\" + filename);
_fileText = streamReader.ReadToEnd();
streamReader.Close();
var currentAssembly = Assembly.GetExecutingAssembly();
var stream = currentAssembly.GetManifestResourceStream("SP2.Glif.Interpreter.res.glifgrammar.cgt");
if (stream != null)
{
var binaryReader = new BinaryReader(stream);
_grammar = new Grammar(binaryReader);
}
else
{
throw new FileNotFoundException("Grammar file not found!");
}
_parser = new Parser(new StringReader(_fileText), _grammar) {TrimReductions = true};
_context = new GlifContext(_parser);
}
/// <summary>
/// Initializes a new instance of the <see cref="HeaderParser"/> class.
/// </summary>
/// <param name="grammarPath">The path to the compiled GOLD grammar file.</param>
public HeaderParser(string grammarPath)
{
using (var grammarReader = new BinaryReader(File.OpenRead(grammarPath)))
grammar = new Grammar(grammarReader);
}
public GPBParser()
{
LRParser = null;
LanguageGrammar = null;
}
public GPBParser(GoldParser.Grammar grammar)
{
LRParser = null;
LanguageGrammar = grammar;
}
public GPBParser(Stream stream)
{
LRParser = null;
LanguageGrammar = new GoldParser.Grammar(new BinaryReader(stream));
}
static Tokenizer()
{
var grammarStream = new MemoryStream(Resources.Tokenizer); // new FileStream("Preprocessor.cgt", FileMode.Open, FileAccess.Read);
grammar = new GoldParser.Grammar(new BinaryReader(grammarStream));
grammarStream.Dispose();
}
public GoldXpidlParser(BinaryReader grammarBinaryReader)
{
m_Grammar = new Grammar(grammarBinaryReader);
}