using System.Linq;

using Microsoft.CodeAnalysis;

using Microsoft.CodeAnalysis.Scripting;

using Microsoft.CodeAnalysis.Scripting.VisualBasic;

using Microsoft.CodeAnalysis.VisualBasic;

using ScriptCs.Contracts;

using ScriptCs.Engine.Common;

namespace ScriptCs.VisualBasic

{

public class VisualBasicScriptEngine : CommonScriptEngine

{

public VisualBasicScriptEngine(IScriptHostFactory scriptHostFactory, ILogProvider logProvider)

: base(scriptHostFactory, logProvider)

{

}

protected override ScriptState GetScriptState(string code, object globals)

{

return VisualBasicScript.Run(code, ScriptOptions, globals);

}

protected bool IsCompleteSubmission(string code)

{

//invalid REPL command

if (code.StartsWith(":"))

{

return true;

}

var options = new VisualBasicParseOptions(LanguageVersion.VisualBasic14, DocumentationMode.Parse, SourceCodeKind.Interactive, null);

var syntaxTree = SyntaxFactory.ParseSyntaxTree(code, options);

var diagnostics = syntaxTree.GetDiagnostics();

return !diagnostics.Any();

}

}

}