public PythonParser()
{
pythonEngine = Python.CreateEngine ();
var langContext = HostingHelpers.GetLanguageContext (pythonEngine);
compilerOptions = langContext.GetCompilerOptions ();
langOptions = (PythonOptions) langContext.Options;
walker = new CustomPythonWalker ();
}
public FromImportStatement ParseStatement(string text)
{
ScriptEngine engine = Python.CreateEngine();
PythonContext context = HostingHelpers.GetLanguageContext(engine) as PythonContext;
StringTextContentProvider textProvider = new StringTextContentProvider(text);
SourceUnit source = context.CreateSourceUnit(textProvider, String.Empty, SourceCodeKind.SingleStatement);
PythonCompilerSink sink = new PythonCompilerSink();
CompilerContext compilerContext = new CompilerContext(source, new PythonCompilerOptions(), sink);
PythonOptions options = new PythonOptions();
using (Parser parser = Parser.CreateParser(compilerContext, options)) {
return parser.ParseSingleStatement().Body as FromImportStatement;
}
}
public void TestAnalyzeStdLib()
{
//string dir = Path.Combine(Environment.GetEnvironmentVariable("ProgramFiles"), "IronPython 2.6 for .NET 4.0 RC\\Lib");
string dir = Path.Combine("C:\\Python27\\Lib");
List<string> files = new List<string>();
CollectFiles(dir, files);
List<SourceUnit> sourceUnits = new List<SourceUnit>();
foreach (string file in files) {
sourceUnits.Add(
new SourceUnit(
HostingHelpers.GetLanguageContext(_engine),
new FileTextContentProvider(new FileStreamContentProvider(file)),
Path.GetFileNameWithoutExtension(file),
SourceCodeKind.File
)
);
}
Stopwatch sw = new Stopwatch();
sw.Start();
long start0 = sw.ElapsedMilliseconds;
var projectState = new ProjectState(_engine);
List<ProjectEntry> modules = new List<ProjectEntry>();
PythonOptions EmptyOptions = new PythonOptions();
foreach (var sourceUnit in sourceUnits) {
modules.Add(projectState.AddModule(Path.GetFileNameWithoutExtension(sourceUnit.Path), sourceUnit.Path, null));
}
long start1 = sw.ElapsedMilliseconds;
Console.WriteLine("AddSourceUnit: {0} ms", start1 - start0);
List<PythonAst> nodes = new List<PythonAst>();
for (int i = 0; i < modules.Count; i++) {
PythonAst ast = null;
try {
var sourceUnit = sourceUnits[i];
var context = new CompilerContext(sourceUnit, HostingHelpers.GetLanguageContext(_engine).GetCompilerOptions(), ErrorSink.Null);
ast = Parser.CreateParser(context, EmptyOptions).ParseFile(false);
} catch (Exception) {
}
nodes.Add(ast);
}
long start2 = sw.ElapsedMilliseconds;
Console.WriteLine("Parse: {0} ms", start2 - start1);
for (int i = 0; i < modules.Count; i++) {
var ast = nodes[i];
if (ast != null) {
modules[i].UpdateTree(ast, null);
}
}
long start3 = sw.ElapsedMilliseconds;
for (int i = 0; i < modules.Count; i++) {
Console.WriteLine("Analyzing {1}: {0} ms", sw.ElapsedMilliseconds - start3, sourceUnits[i].Path);
var ast = nodes[i];
if (ast != null) {
modules[i].Analyze();
}
}
long start4 = sw.ElapsedMilliseconds;
Console.WriteLine("Analyze: {0} ms", start4 - start3);
Console.ReadLine();
}