private static RekoEventsAPI Evaluate(
TextWriter outputWriter,
DecompilerEventListener eventListener,
IConfigurationService cfgSvc,
IFileSystemService fsSvc,
string script,
string filename)
{
var engine = CreateEngine(outputWriter);
outputWriter.WriteLine($"Evaluating {filename}");
var pythonAPI = new PythonAPI(cfgSvc, fsSvc, engine);
var eventsAPI = new RekoEventsAPI(engine);
var scope = CreateRekoVariable(engine, pythonAPI, eventsAPI);
var src = engine.CreateScriptSourceFromString(script, filename);
try
{
src.Execute(scope);
}
catch (Exception ex)
{
var scriptError = CreateError(
filename,
ex,
"An error occurred while evaluating the Python script.",
engine);
eventListener.Error(scriptError);
DumpPythonStack(outputWriter, ex, engine);
return(new RekoEventsAPI(engine));
}
return(eventsAPI);
}
private static ScriptScope CreateRekoVariable(
ScriptEngine engine,
PythonAPI pythonAPI,
RekoEventsAPI eventsAPI)
{
var scope = engine.CreateScope();
var rekoWrapper = pythonAPI.CreateRekoWrapper(eventsAPI);
scope.SetVariable("reko", rekoWrapper);
return(scope);
}
public PythonModule(
IServiceProvider services, string filename, byte[] bytes)
: base(services, filename, bytes)
{
this.eventListener = services.RequireService <DecompilerEventListener>();
this.engine = IronPython.Hosting.Python.CreateEngine();
// $TODO: Redirect script output to Reko Console tab
engine.Runtime.IO.RedirectToConsole();
this.pythonAPI = new PythonAPI(services, engine);
var stream = new MemoryStream(bytes);
using var rdr = new StreamReader(stream);
this.eventsAPI = Evaluate(rdr.ReadToEnd(), filename);
}
public PythonModule(
IServiceProvider services, string filename, byte[] bytes)
: base(services, filename, bytes)
{
this.eventListener = services.RequireService <DecompilerEventListener>();
this.engine = IronPython.Hosting.Python.CreateEngine();
var outputService = services.RequireService <IOutputService>();
this.outputWriter = outputService.EnsureOutputSource("Scripting");
RedirectConsoleOutput(outputWriter, engine);
this.pythonAPI = new PythonAPI(services, engine);
var stream = new MemoryStream(bytes);
using var rdr = new StreamReader(stream);
this.eventsAPI = Evaluate(rdr.ReadToEnd(), filename);
}
public override void FireEvent(ScriptEvent @event, Program program)
{
var eventsAPI = this.eventsAPI;
var engine = eventsAPI.Engine;
try
{
var pythonAPI = new PythonAPI(cfgSvc, fsSvc, engine);
var programAPI = new RekoProgramAPI(program);
var programWrapper = pythonAPI.CreateProgramWrapper(
programAPI);
eventsAPI.FireEvent(@event, programWrapper);
}
catch (Exception ex)
{
var scriptError = CreateError(
Location.FilesystemPath,
ex,
"An error occurred while running the Python script.",
engine);
eventListener.Error(scriptError);
DumpPythonStack(outputWriter, ex, engine);
}
}