protected BufferPosition TakePosition()
{
BufferPosition position = _position;
ClearPosition();
return(position);
}
protected void ReportError(string message, Token token, params object[] args)
{
BufferPosition position = token.Position;
if (Error != null && _lastErrorPosition != position)
{
Error(this, new ErrorEventArgs(string.Format(message, args), position));
}
_lastErrorPosition = position;
}
public ErrorEventArgs(string message, BufferPosition position)
{
Message = message;
Position = position;
}
public IntToken(int value, string sourcePath, BufferPosition position)
: base(LiteralTokenType.Int, sourcePath, position)
{
Value = value;
}
public ShaderCodeToken(string shaderCode, string sourcePath, BufferPosition position)
: base(TokenType.ShaderCode, sourcePath, position)
{
ShaderCode = shaderCode;
}
private void ClearPosition()
{
_position = new BufferPosition();
}
protected void StartToken()
{
_position = _buffer.Position;
}
public FloatToken(float value, string sourcePath, BufferPosition position)
: base(LiteralTokenType.Float, sourcePath, position)
{
Value = value;
}
public IdentifierToken(string identifier, string sourcePath, BufferPosition position)
: base(TokenType.Identifier, sourcePath, position)
{
Identifier = identifier;
}
public LiteralToken(LiteralTokenType literalType, string sourcePath, BufferPosition position)
: base(TokenType.Literal, sourcePath, position)
{
LiteralType = literalType;
}
public StringToken(string value, string sourcePath, BufferPosition position)
: base(LiteralTokenType.String, sourcePath, position)
{
Value = value;
}
public Token(TokenType type, string sourcePath, BufferPosition position)
{
Type = type;
SourcePath = sourcePath;
Position = position;
}
private void ClearPosition()
{
_position = new BufferPosition();
}
protected void StartToken()
{
_position = _buffer.Position;
}
public ErrorEventArgs(string message, BufferPosition position)
{
Message = message;
Position = position;
}