// Public Methods
public void Emit(PySourceCodeEmiter emiter, PyEmitStyle style, string filename)
{
if (string.IsNullOrEmpty(filename))
{
throw new ArgumentNullException(nameof(filename));
}
var writer = new PySourceCodeWriter();
var styleCurrentNamespace = style.CurrentNamespace;
try
{
Emit(emiter, writer, style);
{
var fi = new FileInfo(filename);
fi.Directory?.Create();
var codeStr = writer.GetCode();
var binary = Encoding.UTF8.GetBytes(codeStr);
File.WriteAllBytes(fi.FullName, binary);
}
}
finally
{
style.CurrentNamespace = styleCurrentNamespace;
}
}
// Public Methods
public override void Emit(PySourceCodeEmiter emiter, PySourceCodeWriter writer, PyEmitStyle style)
{
style = PyEmitStyle.xClone(style);
if (!style.AsIncrementor)
{
switch (Expression)
{
case PyEmptyExpression _:
return;
case PyMethodCallExpression methodCallExpression:
break;
}
}
var code = Expression.GetPyCode(style);
if (style.AsIncrementor)
{
writer.Write(code);
}
else
{
writer.WriteLn(code);
}
}
// Public Methods
public override void Emit(PySourceCodeEmiter emiter, PySourceCodeWriter writer, PyEmitStyle style)
{
style = style ?? new PyEmitStyle();
var header = string.Format("while({0}):", Condition.GetPyCode(style));
EmitHeaderStatement(emiter, writer, style, header, Statement);
}
// Private Methods
private static void EmitWithNamespace(PyNamespace ns, PySourceCodeEmiter emiter,
PySourceCodeWriter writer,
PyEmitStyle style, IEnumerable <IEmitable> classesInNamespace)
{
if (classesInNamespace == null)
{
return;
}
var inNamespace = classesInNamespace as IEmitable[] ?? classesInNamespace.ToArray();
if (!inNamespace.Any())
{
return;
}
style.CurrentNamespace = ns;
try
{
foreach (var cl in inNamespace)
{
cl.Emit(emiter, writer, style);
}
}
finally
{
style.CurrentNamespace = null;
}
}
// Protected Methods
protected void EmitHeaderStatement(PySourceCodeEmiter emiter, PySourceCodeWriter writer, PyEmitStyle style, string header, IPyStatement statement)
{
style = style ?? new PyEmitStyle();
var iStyle = PyEmitStyle.xClone(style, ShowBracketsEnum.IfManyItems);
if (style.UseBracketsEvenIfNotNecessary)
{
iStyle.Brackets = ShowBracketsEnum.Always;
}
var statementToEmit = PyCodeBlock.Reduce(statement);
var emptyStatement = !PyCodeBlock.HasAny(statementToEmit);
if (emptyStatement)
{
header += "{}";
}
if (style.Compression == EmitStyleCompression.NearCrypto)
{
writer.Write(header);
}
else
{
writer.WriteLn(header);
}
if (emptyStatement)
{
return;
}
var myBracket = style.UseBracketsEvenIfNotNecessary;
if (!myBracket)
{
var gf = statementToEmit.GetStatementEmitInfo(iStyle);
if (gf != StatementEmitInfo.NormalSingleStatement)
{
myBracket = true;
}
}
writer.IncIndent();
if (myBracket)
{
iStyle.Brackets = ShowBracketsEnum.Never;
writer.OpenLn("{");
}
statementToEmit.Emit(emiter, writer, iStyle);
if (myBracket)
{
writer.CloseLn("}");
}
writer.DecIndent();
}
// Public Methods
public override void Emit(PySourceCodeEmiter emiter, PySourceCodeWriter writer, PyEmitStyle style)
{
if (ReturnValue == null)
{
writer.WriteLn("return");
}
else
{
writer.WriteLnF("return {0}", ReturnValue.GetPyCode(style));
}
}
// Public Methods
public override void Emit(PySourceCodeEmiter emiter, PySourceCodeWriter writer, PyEmitStyle style)
{
// with tf.name_scope('hidden2') as name:
writer.WriteLnF("with {0}:", Variable.GetPyCode(style));
writer.Intent++;
foreach (var sec in Statements)
{
sec.Emit(emiter, writer, style);
}
writer.Intent--;
}
private static string Collect(PySourceCodeEmiter emiter, PyEmitStyle style, IPyValue[] collection)
{
var list = new List <string>();
var xStyle = PyEmitStyle.xClone(style);
xStyle.AsIncrementor = true;
foreach (var item in collection)
{
list.Add(item.GetPyCode(xStyle));
}
return(string.Join(", ", list));
}
// Public Methods
public override void Emit(PySourceCodeEmiter emiter, PySourceCodeWriter writer, PyEmitStyle style)
{
var s = style?.Compression ?? EmitStyleCompression.Beauty;
if (s == EmitStyleCompression.NearCrypto)
{
writer.Write("continue;");
}
else
{
writer.WriteLn("continue;");
}
}
//LangType ItemType, string VarName, IValue Collection, IStatement Statement
public override void Emit(PySourceCodeEmiter emiter, PySourceCodeWriter writer, PyEmitStyle style)
{
style = style ?? new PyEmitStyle();
var arrayOperator = style.Compression == EmitStyleCompression.Beauty ? " => " : "=>";
var header = OneVariable
? "for {3} in {0}:"
: "foreach({0} as {1}{2}{3}):";
header = string.Format(header,
Collection.GetPyCode(style),
_keyVarname, arrayOperator, _valueVarname);
EmitHeaderStatement(emiter, writer, style, header, Statement);
}
protected static CompilationTestInfo ParseCs(string code, bool translate, Info info = null)
{
var project = CreateOneFileProject(code, info?.Ref);
var c = new Cs2PyCompiler
{
CSharpProject = project
};
c.TranslationAssemblies.Add(typeof(AssemblySandbox).Assembly);
c.ReferencedAssemblies.Add(typeof(Tensorflow.TensorShape).Assembly);
c.ReferencedAssemblies.Add(typeof(System.Linq.Enumerable).Assembly);
c.ReferencedAssemblies.Add(typeof(System.Data.Linq.Binary).Assembly);
var filename = Path.GetTempFileName().Replace(".tmp", ".dll");
var er = c.CompileCSharpProject(c.Sandbox, filename);
if (!er.Success && er.Diagnostics.Any())
{
throw new Exception(er.Diagnostics[0].GetMessage());
}
Assert.True(er.Success);
var translationInfo = c.ParseCsSource();
if (!translate)
{
return(new CompilationTestInfo(c, translationInfo, null));
}
var translationState = new TranslationState(translationInfo);
var translator = new Translator(translationState);
translator.Info.CurrentAssembly = c.CompiledAssembly;
translator.Translate(c.Sandbox);
var compare = info?.Compare;
if (compare != null)
{
compare = compare.Trim();
if (!compare.StartsWith("'''"))
{
compare = "'''\r\nGenerated with cs2py\r\n'''\r\n" + compare;
}
var emiter = new PySourceCodeEmiter();
var writer = new PySourceCodeWriter();
translator.Modules[0].Emit(emiter, writer, new PyEmitStyle());
var pyCode = writer.GetCode();
Assert.Equal(compare.Trim(), pyCode.Trim());
}
return(new CompilationTestInfo(c, translationInfo, translator));
}
// Public Methods
public void Emit(PySourceCodeEmiter emiter, PySourceCodeWriter writer, PyEmitStyle style)
{
foreach (var i in NestedClasses)
{
i.Emit(emiter, writer, style);
}
var saveStyleCurrentClass = style.CurrentClass;
var saveStyleCurrentNamespace = style.CurrentNamespace;
try
{
if (IsEmpty)
{
return;
}
if (style.CurrentNamespace == null)
{
style.CurrentNamespace = PyNamespace.Root;
}
if (style.CurrentNamespace != Name.Namespace)
{
throw new Exception("Unable to emit class into different namespace");
}
var e = "";
if (!_baseTypeName.IsEmpty)
{
e = " extends " + _baseTypeName.NameForEmit(style);
}
writer.OpenLnF("class {0}{1}:", Name.ShortName, e);
style.CurrentClass = Name; // do not move this before "class XXX" is emited
for (var orderGroup = 0; orderGroup < 3; orderGroup++)
{
foreach (var field in Fields.Where(_ => FieldOrderGroup(_) == orderGroup))
{
field.Emit(emiter, writer, style);
}
}
foreach (var me in Methods)
{
me.Emit(emiter, writer, style);
}
writer.CloseLn("");
}
finally
{
style.CurrentClass = saveStyleCurrentClass;
style.CurrentNamespace = saveStyleCurrentNamespace;
}
}
// Public Methods
public override void Emit(PySourceCodeEmiter emiter, PySourceCodeWriter writer, PyEmitStyle style)
{
var pyIncrementrors = Collect(emiter, style, Incrementors);
var pyInitVariables = Collect(emiter, style, InitVariables);
style = style ?? new PyEmitStyle();
var header =
style.Compression == EmitStyleCompression.Beauty
? "for({0}; {1}; {2})"
: "for({0};{1};{2})";
header = string.Format(header, pyInitVariables, Condition.GetPyCode(style), pyIncrementrors);
EmitHeaderStatement(emiter, writer, style, header, Statement);
}
// Private Methods
private static string Collect(PySourceCodeEmiter emiter, PyEmitStyle style, IPyStatement[] collection)
{
var list = new List <string>();
var xStyle = PyEmitStyle.xClone(style);
xStyle.AsIncrementor = true;
foreach (var item in collection)
{
var writer = new PySourceCodeWriter();
writer.Clear();
item.Emit(emiter, writer, xStyle);
list.Add(writer.GetCode().Trim());
}
return(string.Join(", ", list));
}
private void TranslateAndCreatePyFiles(TranslationInfo translationInfo, string outDir)
{
if (_verboseToConsole)
{
Console.WriteLine("Translate C# -> Py");
}
translationInfo.CurrentAssembly = CompiledAssembly;
var assemblyTi = translationInfo.GetOrMakeTranslationInfo(CompiledAssembly);
var ecBaseDir = Path.Combine(outDir, assemblyTi.RootPath.Replace("/", "\\"));
Console.WriteLine("Output root {0}", ecBaseDir);
if (!string.IsNullOrEmpty(assemblyTi.PyPackageSourceUri))
{
DownloadAndUnzip(assemblyTi.PyPackageSourceUri, ecBaseDir, assemblyTi.PyPackagePathStrip);
return; //??? czy return?
}
var translationState = new TranslationState(translationInfo);
var translator = new Translator.Translator(translationState);
translator.Translate(Sandbox);
var libName = assemblyTi.LibraryName;
if (_verboseToConsole)
{
Console.WriteLine("Create Py output files");
}
{
// Tworzenie plików Py
var emitStyle = new PyEmitStyle();
translationInfo.CurrentAssembly = CompiledAssembly; // dla pewności
foreach (var module in translator.Modules /*.Where(i => i.Name.Library == libName && !i.IsEmpty) */)
{
var fileName = module.ModuleName.MakeEmitPath(ecBaseDir, 1);
foreach (var modProcessor in translationInfo.ModuleProcessors)
{
modProcessor.BeforeEmit(module, translationInfo);
}
var emiter = new PySourceCodeEmiter();
module.Emit(emiter, emitStyle, fileName);
}
}
}
// Public Methods
public override void Emit(PySourceCodeEmiter emiter, PySourceCodeWriter writer, PyEmitStyle style)
{
writer.OpenLnF("switch ({0}) {{", Expression.GetPyCode(style));
foreach (var sec in Sections)
{
foreach (var l in sec.Labels)
{
writer.WriteLnF("{0}{1}:",
l.IsDefault ? "" : "case ",
l.IsDefault ? "default" : l.Value.GetPyCode(style));
}
writer.IncIndent();
sec.Statement.Emit(emiter, writer, style);
writer.DecIndent();
}
writer.CloseLn("}");
}
public virtual void Emit(PySourceCodeEmiter emiter, PySourceCodeWriter code, PyEmitStyle style)
{
// public function addFunction($function, $namespace = '')
var argumentsCode = Arguments.Select(u => u.GetPyCode(style)).ToList();
var mk = GetPyMethodKind();
switch (mk)
{
case PyMethodKind.ClassStatic:
code.WriteLn("@staticmethod");
argumentsCode.Insert(0, GetCurrentClassAlias());
break;
case PyMethodKind.OutOfClass:
break;
case PyMethodKind.ClassInstance:
argumentsCode.Insert(0, "self");
break;
default:
throw new ArgumentOutOfRangeException();
}
var param = Arguments == null ? "" : string.Join(", ", argumentsCode);
code.OpenLnF("def {0}({1}):", Name, param);
{
var g = GetGlobals();
if (!string.IsNullOrEmpty(g))
{
code.WriteLnF("global {0};", g);
}
}
foreach (var statement in Statements)
{
var g = PyEmitStyle.xClone(style);
g.Brackets = ShowBracketsEnum.Never;
g.CurrentMethod = this;
statement.Emit(emiter, code, g);
}
code.CloseLn("");
}
// Public Methods
public void Emit(PySourceCodeEmiter emiter, PySourceCodeWriter writer, PyEmitStyle style)
{
var c = ConstValue;
if (IsStatic && c == null)
{
c = PyConstValue.DefaultForType(_valueType);
}
if (c == null)
{
return;
}
if (!IsStatic)
{
throw new Exception(
"Only static fields with initialization are allowed. Move instance field initialization to constructior.");
}
ScanForDangerousCode(ConstValue);
writer.WriteLn(Name + " = " + c.GetPyCode(style));
}
public string GetPyCode(PyEmitStyle style)
{
/*
* echo preg_replace_callback('~-([a-z])~', function ($match) {
* return strtoupper($match[1]);
* }, 'hello-world');
* // outputs helloWorld
*/
var s = PyEmitStyle.xClone(style);
s.AsIncrementor = true;
var e = new PySourceCodeEmiter();
var wde = new PySourceCodeWriter();
wde.Clear();
MethodDefinition.Emit(e, wde, s);
var code = wde.GetCode().Trim();
return(code);
}
// Public Methods
public void Emit(PySourceCodeEmiter emiter, PySourceCodeWriter writer, PyEmitStyle style)
{
if (Statements.Count == 0)
{
return;
}
var bracketStyle = style == null ? ShowBracketsEnum.IfManyItems : style.Brackets;
var brack =
bracketStyle == ShowBracketsEnum.Never
? false
: bracketStyle == ShowBracketsEnum.Always
? true
: Statements == null || !(Statements.Count == 1);
brack = false;
if (Statements != null && Statements.Count == 1 &&
bracketStyle == ShowBracketsEnum.IfManyItems_OR_IfStatement)
{
if (Statements[0] is PyIfStatement)
{
brack = true;
}
}
var iStyle = PyEmitStyle.xClone(style, ShowBracketsEnum.Never);
if (brack)
{
writer.OpenLn("{");
}
foreach (var i in Statements)
{
i.Emit(emiter, writer, iStyle);
}
if (brack)
{
writer.CloseLn("}");
}
}
public void Emit(PySourceCodeEmiter emiter, PySourceCodeWriter writer, PyEmitStyle style)
{
Code.Emit(emiter, writer, style);
}
public void Emit(PySourceCodeEmiter emiter, PySourceCodeWriter writer, PyEmitStyle style)
{
writer.WriteLn(GetPyCode());
}
// Public Methods
public override void Emit(PySourceCodeEmiter emiter, PySourceCodeWriter code, PyEmitStyle style)
{
Refactor();
base.Emit(emiter, code, style);
}
public void Emit(PySourceCodeEmiter emiter, PySourceCodeWriter writer, PyEmitStyle style)
{
var nsManager = new PyModuleNamespaceManager();
style.CurrentNamespace = null;
if (!string.IsNullOrEmpty(_topComments))
{
writer.WriteLn("'''\r\n" + _topComments.Trim() + "\r\n'''");
}
var module = this;
{
// var noBracketStyle = PyEmitStyle.xClone(style, ShowBracketsEnum.Never);
{
// top code
var collectedTopCodeBlock = new PyCodeBlock();
collectedTopCodeBlock.Statements.AddRange(ConvertRequestedToCode());
collectedTopCodeBlock.Statements.AddRange(ConvertDefinedConstToCode());
if (TopCode != null)
{
collectedTopCodeBlock.Statements.AddRange(TopCode.Statements);
}
nsManager.Add(collectedTopCodeBlock.Statements);
}
foreach (var m in Methods)
{
m.Emit(emiter, writer, style);
}
{
var classesGbNamespace = module.Classes.GroupBy(u => u.Name.Namespace);
foreach (var classesInNamespace in classesGbNamespace.OrderBy(i => !i.Key.IsRoot))
{
foreach (var c in classesInNamespace)
{
nsManager.Add(c);
}
}
}
if (BottomCode != null)
{
nsManager.Add(BottomCode.Statements);
}
if (nsManager.Container.Any())
{
if (nsManager.OnlyOneRootStatement)
{
foreach (var cl in nsManager.Container[0].Items)
{
cl.Emit(emiter, writer, style);
}
}
else
{
foreach (var ns in nsManager.Container)
{
EmitWithNamespace(ns.Name, emiter, writer, style, ns.Items);
}
}
}
}
}
// Public Methods
public override void Emit(PySourceCodeEmiter emiter, PySourceCodeWriter writer, PyEmitStyle style)
{
var isBeauty = style == null || style.Compression == EmitStyleCompression.Beauty;
var ifTrueAny = PyCodeBlock.HasAny(_ifTrue);
var ifFalseAny = PyCodeBlock.HasAny(_ifFalse);
if (!ifTrueAny && !ifFalseAny)
{
return;
}
writer.OpenLnF("if{1}({0}){2}",
Condition.GetPyCode(style),
isBeauty ? " " : "",
ifTrueAny ? "" : "{}");
if (ifTrueAny)
{
var iStyle = PyEmitStyle.xClone(style, ShowBracketsEnum.IfManyItems_OR_IfStatement);
if (style != null && style.UseBracketsEvenIfNotNecessary)
{
iStyle.Brackets = ShowBracketsEnum.Always;
}
var bound = PyCodeBlock.Bound(_ifTrue);
bound.Emit(emiter, writer, iStyle);
}
writer.DecIndent();
if (!ifFalseAny)
{
return;
}
var oneLine = _ifFalse is PyIfStatement;
var oldIndent = writer.Intent;
{
if (oneLine)
{
writer.Write("else ");
writer.SkipIndent = true;
}
else
{
writer.OpenLn("else");
}
var myBracket = style != null && style.UseBracketsEvenIfNotNecessary;
var iStyle = PyEmitStyle.xClone(style,
myBracket
? ShowBracketsEnum.Never
: ShowBracketsEnum.IfManyItems_OR_IfStatement);
if (!myBracket)
{
var gf = _ifFalse.GetStatementEmitInfo(iStyle);
if (gf != StatementEmitInfo.NormalSingleStatement)
{
myBracket = true;
}
}
if (myBracket)
{
iStyle.Brackets = ShowBracketsEnum.Never;
writer.OpenLn("{");
}
_ifFalse.Emit(emiter, writer, iStyle);
if (myBracket)
{
writer.CloseLn("}");
}
}
writer.Intent = oldIndent;
}
public override void Emit(PySourceCodeEmiter emiter, PySourceCodeWriter writer, PyEmitStyle style)
{
writer.WriteLn("break;");
}
// Public Methods
public abstract void Emit(PySourceCodeEmiter emiter, PySourceCodeWriter writer, PyEmitStyle style);