public override object VisitVariable_complex_reference([NotNull] Variable_complex_referenceContext context)
{
if (IsSylvreLibraryReference(context))
{
HandleSylvreLibraryReference(context, false);
}
else
{
VisitVariable_reference(context.variable_reference());
if (context.variable_suffix() != null)
{
foreach (var suffix in context.variable_suffix())
{
VisitVariable_suffix(suffix);
}
}
}
return(null);
}
/// <summary>
/// Handles the variable_complex_reference if it is a Sylvre library reference.
/// </summary>
/// <param name="context">The variable_complex_reference to handle.</param>
/// <param name="isFunctionCall">Whether the Sylvre library reference is a function call or not.</param>
private void HandleSylvreLibraryReference(Variable_complex_referenceContext context, bool isFunctionCall)
{
var suffixes = context.variable_suffix();
if (suffixes == null || suffixes.Length == 0)
{
_transpileErrors.Add(new SylvreTranspileError
{
CharPositionInLine = context.variable_reference().Stop.Column,
Line = context.variable_reference().Stop.Line,
Symbol = context.variable_reference().Stop.Text,
Message = _sylvreMissingModuleMessage
});
return;
}
var firstSuffixContext = context.variable_suffix()[0];
if (firstSuffixContext.index_reference() != null)
{
_transpileErrors.Add(new SylvreTranspileError
{
CharPositionInLine = firstSuffixContext.index_reference().Start.Column + 1, // Column number 1 behind, zero based index?
Line = firstSuffixContext.index_reference().Start.Line,
Symbol = firstSuffixContext.index_reference().Start.Text,
Message = _sylvreLibraryIndexReferenceInvalidMessage
});
return;
}
var moduleContext = firstSuffixContext.member_reference().variable_reference();
string module = moduleContext.GetText();
if (!SylvreJavaScriptMappings.DoesSylvreModuleExist(module))
{
_transpileErrors.Add(new SylvreTranspileError
{
CharPositionInLine = moduleContext.Start.Column + 1, // Column number 1 behind, zero based index?
Line = moduleContext.Start.Line,
Symbol = moduleContext.Start.Text,
Message = _sylvreInvalidModuleMessage
});
return;
}
string jsEquivalentModule = SylvreJavaScriptMappings.GetEquivalentJavaScriptModule(module);
if (!string.IsNullOrWhiteSpace(jsEquivalentModule))
{
_output.Append(jsEquivalentModule)
.Append('.');
}
if (suffixes.Length <= 1)
{
_transpileErrors.Add(new SylvreTranspileError
{
CharPositionInLine = moduleContext.Stop.Column,
Line = moduleContext.Stop.Line,
Symbol = moduleContext.Stop.Text,
Message = _sylvreMissingModuleMemberMessage
});
return;
}
var secondSuffixContext = context.variable_suffix()[1];
if (secondSuffixContext.index_reference() != null)
{
_transpileErrors.Add(new SylvreTranspileError
{
CharPositionInLine = secondSuffixContext.index_reference().Start.Column + 1, // Column number 1 behind, zero based index?
Line = secondSuffixContext.index_reference().Start.Line,
Symbol = secondSuffixContext.index_reference().Start.Text,
Message = _sylvreModuleIndexReferenceInvalidMessage
});
return;
}
var moduleMemberContext = secondSuffixContext.member_reference().variable_reference();
string moduleMember = moduleMemberContext.GetText();
if (!SylvreJavaScriptMappings.DoesSylvreMemberOfModuleExist(module, moduleMember))
{
_transpileErrors.Add(new SylvreTranspileError
{
CharPositionInLine = moduleMemberContext.Start.Column + 1, // Column number 1 behind, zero based index?
Line = moduleMemberContext.Start.Line,
Symbol = moduleMemberContext.Start.Text,
Message = _sylvreInvalidModuleMemberMessage
});
return;
}
_output.Append(SylvreJavaScriptMappings.GetEquivalentJavaScriptMemberOfModule(
module, moduleMember));
for (int i = 2; i < context.variable_suffix().Length; i++)
{
VisitVariable_suffix(context.variable_suffix()[i]);
}
}
/// <summary>
/// Checks to see if the given variable_complex_reference is a Sylvre library ref (e.g Sylvre.Console.output).
/// </summary>
/// <param name="context">The variable_complex_reference context to check.</param>
/// <returns>True if is a Sylvre library reference, false otherwise.</returns>
private bool IsSylvreLibraryReference(Variable_complex_referenceContext context)
{
return(context.variable_reference().GetText() == "Sylvre");
}
