public static MutableString /*!*/ Inspect(RubyContext /*!*/ context, RubySymbol /*!*/ self)
{
var str = self.ToString();
bool allowMultiByteCharacters = context.RubyOptions.Compatibility >= RubyCompatibility.Ruby19 || context.KCode != null;
var result = self.ToMutableString();
// simple cases:
if (
Tokenizer.IsMethodName(str, allowMultiByteCharacters) ||
Tokenizer.IsConstantName(str, allowMultiByteCharacters) ||
Tokenizer.IsInstanceVariableName(str, allowMultiByteCharacters) ||
Tokenizer.IsClassVariableName(str, allowMultiByteCharacters) ||
Tokenizer.IsGlobalVariableName(str, allowMultiByteCharacters)
)
{
result.Insert(0, ':');
}
else
{
// TODO: this is neither efficient nor complete.
// Any string that parses as 'sym' should not be quoted.
switch (str)
{
case null:
// Ruby doesn't allow empty symbols, we can get one from outside though:
return(MutableString.CreateAscii(":\"\""));
case "|":
case "^":
case "&":
case "<=>":
case "==":
case "===":
case "=~":
case ">":
case ">=":
case "<":
case "<=":
case "<<":
case ">>":
case "+":
case "-":
case "*":
case "/":
case "%":
case "**":
case "~":
case "+@":
case "-@":
case "[]":
case "[]=":
case "`":
case "$!":
case "$@":
case "$,":
case "$;":
case "$/":
case "$\\":
case "$*":
case "$$":
case "$?":
case "$=":
case "$:":
case "$\"":
case "$<":
case "$>":
case "$.":
case "$~":
case "$&":
case "$`":
case "$'":
case "$+":
result.Insert(0, ':');
break;
default:
result.Insert(0, ":\"").Append('"');
break;
}
}
if (context.RuntimeId != self.RuntimeId)
{
result.Append(" @").Append(self.RuntimeId.ToString(CultureInfo.InvariantCulture));
}
return(result);
}
public static MutableString /*!*/ ToString(RubySymbol /*!*/ self)
{
return(self.ToMutableString());
}
public static object Match(BinaryOpStorageWithScope /*!*/ storage, RubyScope /*!*/ scope, RubySymbol /*!*/ self, [NotNull] RubyRegex /*!*/ regex)
{
return(MutableStringOps.Match(storage, scope, self.ToMutableString(), regex));
}
public static object Match(BinaryOpStorageWithScope /*!*/ storage, RubyScope /*!*/ scope, RubySymbol /*!*/ self, [DefaultProtocol, NotNull] MutableString /*!*/ pattern)
{
return(MutableStringOps.Match(storage, scope, self.ToMutableString(), pattern));
}
public static object Match(BinaryOpStorageWithScope /*!*/ storage, RubyScope /*!*/ scope, RubySymbol /*!*/ self, object obj)
{
return(MutableStringOps.Match(storage, scope, self.ToMutableString(), obj));
}
