public static IEnumerable <ICodeBlock> Parse(string scriptContent)
{
if (string.IsNullOrWhiteSpace(scriptContent))
{
throw new ArgumentException("Null/blank scriptContent specified");
}
// Break down content into String, Comment and UnprocessedContent tokens
var tokens = StringBreaker.SegmentString(
scriptContent.Replace("\r\n", "\n")
);
// Break down further into String, Comment, Atom and AbstractEndOfStatement tokens
var atomTokens = new List <IToken>();
foreach (var token in tokens)
{
if (token is UnprocessedContentToken)
{
atomTokens.AddRange(TokenBreaker.BreakUnprocessedToken((UnprocessedContentToken)token));
}
else
{
atomTokens.Add(token);
}
}
// Translate these tokens into ICodeBlock implementations (representing code VBScript structures)
string[] endSequenceMet;
return((new CodeBlockHandler(null)).Process(atomTokens, out endSequenceMet));
}
public void DoNotConsiderUnderscoresToBeLineContinuationsWhenTheyArePartOfVariableNames()
{
Assert.Equal(
new IToken[]
{
new NameToken("a_b", 0)
},
TokenBreaker.BreakUnprocessedToken(new UnprocessedContentToken("a_b", 0)),
new TokenSetComparer()
);
}
public void EnsureThatIntegerDivisionOperatorsAreRecognised()
{
Assert.Equal(
new IToken[]
{
new NumericValueToken("1", 0),
new OperatorToken("\\", 0),
new NumericValueToken("0", 0)
},
TokenBreaker.BreakUnprocessedToken(new UnprocessedContentToken("1\\0", 0)),
new TokenSetComparer()
);
}
public void UnderscoresAreLineContinuationsWhenTheyArePrecededByTokenBreakers()
{
Assert.Equal(
new IToken[]
{
new NameToken("a", 0),
new OperatorToken("&", 0),
new NameToken("b", 1)
},
TokenBreaker.BreakUnprocessedToken(new UnprocessedContentToken("a&_\nb", 0)),
new TokenSetComparer()
);
}
public void IncrementLineIndexAfterLineBreaks()
{
Assert.Equal(
new IToken[]
{
new NameToken("Test", 0),
new NameToken("z", 0),
new EndOfStatementNewLineToken(0)
},
TokenBreaker.BreakUnprocessedToken(new UnprocessedContentToken("Test z\n", 0)),
new TokenSetComparer()
);
}
public void LessThanComparisonOperatorIndicatesTokenBreakRegardlessOfWhitespace()
{
Assert.Equal(
new IToken[]
{
new NameToken("value", 0),
new ComparisonOperatorToken("<", 0),
new ComparisonOperatorToken(">", 0)
},
TokenBreaker.BreakUnprocessedToken(new UnprocessedContentToken("value<>", 0)),
new TokenSetComparer()
);
}
private static IEnumerable <IToken> GetTokens(string scriptContent)
{
// Break down content into String, Comment and UnprocessedContent tokens
var tokens = StringBreaker.SegmentString(scriptContent);
// Break down further into String, Comment, Atom and AbstractEndOfStatement tokens
var atomTokens = new List <IToken>();
foreach (var token in tokens)
{
if (token is UnprocessedContentToken)
{
atomTokens.AddRange(TokenBreaker.BreakUnprocessedToken((UnprocessedContentToken)token));
}
else
{
atomTokens.Add(token);
}
}
return(NumberRebuilder.Rebuild(OperatorCombiner.Combine(atomTokens)).ToList());
}
