public override bool Equals(object obj)
{
if (obj == null || !(obj is GrammarRule otherRule))
{
return(false);
}
return(ResultToken.Equals(otherRule.ResultToken) && SourceTokens.SequenceEqual(otherRule.SourceTokens));
}
/// <summary>
/// Always use this method add new token to this line (never call directly Tokens.Add)
/// </summary>
internal void AddToken(Token token)
{
// Identify pseudo-text tokens : could be necessary to filter them from "real" source text tokens
if (ScanState.InsidePseudoText && token.TokenType != TokenType.PseudoTextDelimiter)
{
token.IsPseudoText = true;
}
// Register new token in list
SourceTokens.Add(token);
// Register scan state before COPY and EXECL SQL INCLUDE tokens
// (necessary to scan properly the imported document)
if (token.TokenType == TokenType.COPY || token.TokenType == TokenType.EXEC)
{
if (ScanStateBeforeCOPYToken == null)
{
ScanStateBeforeCOPYToken = new Dictionary <Token, MultilineScanState>();
}
ScanStateBeforeCOPYToken[token] = ScanState.Clone();
}
// Advance MultilineScanState
if (Type != CobolTextLineType.Blank) // see p54 : for continuation, blank lines are treated like comment lines
{
ScanState.AdvanceToNextStateAndAdjustTokenProperties(token);
}
// Register multiline continuation tokens
if (token.IsContinuationToken)
{
ContinuationToken continuationToken = (ContinuationToken)token;
HasTokenContinuationFromPreviousLine = HasTokenContinuationFromPreviousLine || continuationToken.IsContinuationFromPreviousLine;
HasTokenContinuedOnNextLine = HasTokenContinuedOnNextLine || continuationToken.IsContinuedOnNextLine;
}
}
/// <summary>
/// In case a continuation of the last token of this line is discovered on the next line,
/// remove all diagnostics specifically attached to this incomplete token
/// </summary>
internal void RemoveDiagnosticsForLastSourceToken()
{
Token lastToken = SourceTokens.Last();
RemoveDiagnosticsForToken(lastToken);
}
