private static string processNodes(PythonWriter parentWriter, IEnumerable <SyntaxNode> nodes)
{
PythonWriter pyWriter = new PythonWriter(parentWriter.IndentSize);
foreach (var node in nodes)
{
pyWriter.Append(processNode(pyWriter, node));
}
return(pyWriter.ToString());
}
/// <summary>
/// Traverse C# tokens, convert C# syntax to (Iron)Python syntax
/// </summary>
/// <param name="token"></param>
/// <returns></returns>
private static string processRawToken(PythonWriter parentWriter, SyntaxToken token)
{
PythonWriter pyWriter = new PythonWriter(parentWriter.IndentSize);
switch (token.Kind())
{
case SyntaxKind.ThisKeyword:
// replace 'this' keyword to python self
pyWriter.Append("self");
break;
case SyntaxKind.NewKeyword:
// no 'new' keyword
// skip
break;
case SyntaxKind.SemicolonToken:
// semicolon -> end of expression
pyWriter.NewLine();
break;
case SyntaxKind.NumericLiteralToken:
// Float in C#, like '6F'
pyWriter.Append(token.Text.Replace("F", ""));
break;
case SyntaxKind.OpenBraceToken:
// Left Brace in C#
// skip
break;
case SyntaxKind.CloseBraceToken:
// Right Brace in C#
// skip
break;
case SyntaxKind.TrueKeyword:
pyWriter.Append("True");
break;
case SyntaxKind.FalseKeyword:
pyWriter.Append("False");
break;
default:
pyWriter.Append(token.Text);
break;
}
return(pyWriter.ToString());
}
public static int Convert(string csFile, string outFile)
{
SyntaxTree tree = CSharpSyntaxTree.ParseText(File.ReadAllText(csFile));
var root = (CompilationUnitSyntax)tree.GetRoot();
var formClass = (from _n in root.DescendantNodes().OfType <ClassDeclarationSyntax>()
select _n).Single();
var formName = formClass.Identifier.ValueText;
// // Select the initial_components method
//
// var _nodeICMethod = (from methoddef in formClass.DescendantNodes().OfType<MethodDeclarationSyntax>()
// where methoddef.Identifier.ValueText == "InitializeComponent"
// select methoddef).Single();
PythonWriter pyWriter = new PythonWriter();
pyWriter.Append($@"
""""""
Auto generated by formdesingercs2ipy.
IronPython WinForm class from Visual Studio Form Designer.
DO NOT MODIFY THIS FILE MANUALLY.
""""""
import clr
clr.AddReference('System.Drawing')
clr.AddReference('System.Windows.Forms')
import System
from System.Drawing import *
from System.Windows.Forms import *
class {formName}(Form):
def __init__(self):
""""""
Create child controls and initialize form
""""""
self.initialize_component()
def initialize_component(self):
""""""
Windows Form Designer generated code, auto converted by formdesingercs2ipy
""""""
{generateFunctionBodyInitializeComponent(2, root)}
if __name__ == '__main__':
Application.EnableVisualStyles()
Application.SetCompatibleTextRenderingDefault(False)
form = {formName}()
Application.Run(form)
");
// Write file
Console.WriteLine(pyWriter.ToString());
File.WriteAllText(outFile, pyWriter.ToString());
return(0);
}
/// <summary>
///
/// </summary>
/// <param name="parentWriter"></param>
/// <param name="node"></param>
/// <returns></returns>
private static string processNode(PythonWriter parentWriter, SyntaxNode node)
{
PythonWriter pyWriter = new PythonWriter(parentWriter.IndentSize);
switch (node.Kind())
{
case SyntaxKind.InvocationExpression:
// Looking for interface cast invocation (e.g. the ISupportInitialize interface)
var error = false;
try
{
var node_cast = node
.ChildNodes().Where(n => n.IsKind(SyntaxKind.SimpleMemberAccessExpression)).Single()
.ChildNodes().Where(n => n.IsKind(SyntaxKind.ParenthesizedExpression)).Single()
.ChildNodes().Where(n => n.IsKind(SyntaxKind.CastExpression)).Single();
var node_qn = node_cast
.ChildNodes().Where(n => n.IsKind(SyntaxKind.QualifiedName)).Single();
var node_pe = node_cast
.ChildNodes().Where(n => n.IsKind(SyntaxKind.ParenthesizedExpression)).Single();
var node_in = node
.ChildNodes().Where(n => n.IsKind(SyntaxKind.SimpleMemberAccessExpression)).Single()
.ChildNodes().Where(n => n.IsKind(SyntaxKind.IdentifierName)).Single();
// TODO: make sure that there's nothing in the invocation has 0 argument
/**
*
* C#:
* ((node_qn)(node_pe)).node_in()
*
* -> Python:
* (node_qn).node_in(node_pe)
*
* Reference:
* https://mail.python.org/pipermail/ironpython-users/2006-February/001800.html
*
**/
pyWriter.Append(String.Format("{0}.{1}({2})",
processNode(pyWriter, node_qn),
processNode(pyWriter, node_in),
processNode(pyWriter, node_pe)
));
}
catch (InvalidOperationException)
{
error = true;
}
if (error)
{
pyWriter.Append(processNodes(pyWriter, node.ChildNodes()));
}
break;
case SyntaxKind.ArrayCreationExpression:
var _nodeAT = from _n in node.ChildNodes().OfType <ArrayTypeSyntax>() select _n;
var _nodeQN = from _n in _nodeAT.Single().ChildNodes().OfType <QualifiedNameSyntax>() select _n;
var _nodeIE = from _n in node.DescendantNodes().OfType <InitializerExpressionSyntax>() select _n;
pyWriter.Append(String.Format("System.Array[{0}]([{1}])",
_nodeQN.Single().ToFullString(), // e.g. "System.Windows.Forms.ToolStripItem"
processNode(pyWriter, _nodeIE.Single()) // e.g. "self.a1, self.a2, self.a3"
));
break;
case SyntaxKind.AddAssignmentExpression:
// TODO
// break;
default:
foreach (var nodeOrToken in node.ChildNodesAndTokens())
{
if (nodeOrToken.IsNode)
{
pyWriter.Append(processNode(pyWriter, nodeOrToken.AsNode()));
}
else
{
pyWriter.Append(processRawToken(pyWriter, nodeOrToken.AsToken()));
}
}
break;
}
return(pyWriter.ToString());
}
