public void IsEmpty_WhenTerminalsHasValues_ReturnsExpected(string[] terminals, bool expected)
{
// Arrange:
var ts = new TerminalSet();
foreach (var terminal in terminals)
{
ts.Add(terminal);
}
// Act:
var actual = ts.IsEmpty();
// Assert:
Assert.AreEqual(expected, actual);
}
private bool GetSymbol(TerminalSet followers, bool done, bool genXCPN)
{
string s;
if (symbol.IsProcessed) NextSymbol();
symbol.SetProcessed(done);
if (parseAnyText || followers.IsEmpty()) return true;
if (syntaxErrorStat) return false;
if (symbol.Terminal == ANYSYM || followers.Contains(symbol.Terminal))
return true;
else
{
if (terminalAsId && symbol.Terminal != Identifier)
{
int t = symbol.Terminal;
symbol.Terminal = Identifier;
if (symbol.HasIdFormat && followers.Contains(symbol.Terminal))
{
return true;
}
symbol.Terminal = t; // restore error value
}
switch (symbol.Terminal)
{
case EndOfLine:
if (seeEndOfLine) s = "<EndOfLine>"; else goto default;
s = "<EndOfLine>";
break;
case EndOfInput:
s = "<EndOfInput>";
break;
default:
s = String.Format("\"{0}\"", symbol.ToString());
break;
}
}
s = String.Format("*** Unexpected symbol: {0}{1}*** Expected one of: {2}", s,
Environment.NewLine, terminalTable.TerminalImageSet(followers));
if (genXCPN)
SyntaxError = s;
else
errorMessage = s;
return true;
}
protected override bool GetSymbol(TerminalSet followers, bool done, bool genXCPN)
{
string s;
if (symbol.IsProcessed)
{
NextSymbol();
}
symbol.SetProcessed(done);
if (parseAnyText || followers.IsEmpty())
{
return(true);
}
if (syntaxErrorStat)
{
return(false);
}
if (symbol.TerminalId == ANYSYM || followers.Contains(symbol.TerminalId))
{
return(true);
}
switch (symbol.TerminalId)
{
case EndOfLine:
if (seeEndOfLine)
{
s = "<EndOfLine>";
}
else
{
goto default;
}
s = "<EndOfLine>";
break;
case EndOfInput:
s = "<EndOfInput>";
break;
default:
s = String.Format("\"{0}\"", symbol.ToString());
break;
}
s = String.Format("*** Unexpected symbol: {0}{1}*** Expected one of: {2}", s,
Environment.NewLine, terminalTable.TerminalImageSet(followers));
if (genXCPN)
{
SyntaxError = s;
}
else
{
errorMessage = s;
}
return(true);
}
