public CodeFile Parse(string programText, string fileName)
{
ScriptEngine py = null;
SourceUnit src = null;
LanguageContext pythonLanguageContext = null;
CompilerContext cc = null;
IronPython.PythonOptions pyOptions;
IronPython.Compiler.Parser pyParser = null;
PythonAst ast = null;
try
{
py = IronPython.Hosting.Python.CreateEngine();
src = HostingHelpers.GetSourceUnit(py.CreateScriptSourceFromString(programText));
pythonLanguageContext = HostingHelpers.GetLanguageContext(py);
cc = new CompilerContext(src, pythonLanguageContext.GetCompilerOptions(), ErrorSink.Default);
pyOptions = pythonLanguageContext.Options as IronPython.PythonOptions;
pyParser = Parser.CreateParser(cc, pyOptions);
ast = pyParser.ParseFile(true);
}
finally
{
pyParser?.Dispose();
}
PythonEntityCollector collector = new PythonEntityCollector();
ast.Walk(collector);
var cf = collector.getCodeFile();
cf.Name = String.IsNullOrWhiteSpace(fileName) ? $"{rm.GetString("PythonString", CultureInfo.CurrentCulture)}" : fileName;
return cf;
}
public IEnumerable<CompileError> GetDiagnostics(string programText)
{
ScriptEngine py = null;
SourceUnit src = null;
LanguageContext pythonLanguageContext = null;
CompilerContext cc = null;
IronPython.PythonOptions pyOptions;
IronPython.Compiler.Parser pyParser = null;
IEnumerable<CompileError> errorList = Enumerable.Empty<CompileError>();
try
{
py = IronPython.Hosting.Python.CreateEngine();
src = HostingHelpers.GetSourceUnit(py.CreateScriptSourceFromString(programText));
pythonLanguageContext = HostingHelpers.GetLanguageContext(py);
cc = new CompilerContext(src, pythonLanguageContext.GetCompilerOptions(), ErrorSink.Default);
pyOptions = pythonLanguageContext.Options as IronPython.PythonOptions;
pyParser = Parser.CreateParser(cc, pyOptions);
pyParser.ParseFile(true);
}
catch (Microsoft.Scripting.SyntaxErrorException e)
{
CompileError syntaxError = new CompileError(e.Message, new FileSpan(e.RawSpan.Start.Line, e.RawSpan.Start.Column, e.RawSpan.End.Line, e.RawSpan.End.Column));
errorList = errorList.Concat(new[] { syntaxError });
}
finally
{
pyParser?.Dispose();
}
return errorList;
}