public override ScriptCode CompileSourceCode(SourceUnit sourceUnit, CompilerOptions options, ErrorSink errorSink)
{
try
{
switch (sourceUnit.Kind)
{
case SourceCodeKind.SingleStatement:
case SourceCodeKind.Expression:
case SourceCodeKind.AutoDetect:
case SourceCodeKind.InteractiveCode:
return new TotemScriptCode(
engine, engine.ParseExprToLambda(sourceUnit),
sourceUnit);
//case SourceCodeKind.Statements:
//case SourceCodeKind.File:
// return new TotemScriptCode(
// engine, engine.ParseFileToLambda(sourceUnit.Path, sourceUnit.GetCode()),
// sourceUnit);
default:
throw Assert.Unreachable;
}
}
catch (Exception e)
{
// Real language implementation would have a specific type
// of exception. Also, they would pass errorSink down into
// the parser and add messages while doing tighter error
// recovery and continuing to parse.
errorSink.Add(sourceUnit, e.Message, SourceSpan.None, 0,
Severity.FatalError);
return null;
}
}
public override void Add(SourceUnit source, string /*!*/ message, SourceSpan span, int errorCode, Severity severity)
{
CountError(severity);
_sink.Add(source, message, span, errorCode, severity);
}
public void AddError(string message, SourceLocation start, SourceLocation end, Severity severity, int errorCode)
{
_errors.Add(SourceUnit, message, new SourceSpan(start, end), errorCode, severity);
}