private async Task <Document> ConvertVariableAssignmentToLINQ(Document document, VariableDeclaratorSyntax variableDeclarator, ForEachStatementSyntax foreachStatement, CancellationToken c)
{
var generator = SyntaxGenerator.GetGenerator(document);
var oldVariableName = foreachStatement.Identifier.Text;
var newVariableName = variableDeclarator.Identifier.Text;
var oldVariables = variableDeclarator.Initializer.Value.DescendantNodesAndSelf().OfType <IdentifierNameSyntax>().Where(x => x.Identifier.Text == oldVariableName);
var selectCall = generator.InvocationExpression(
generator.MemberAccessExpression(foreachStatement.Expression, "Select"),
generator.Argument(
generator.ValueReturningLambdaExpression(
new[] { generator.LambdaParameter("x") },
variableDeclarator.Initializer.Value.ReplaceNodes(oldVariables, (x, y) => generator.IdentifierName("x")))));
var root = await document.GetSyntaxRootAsync(c);
Debug.WriteLine(variableDeclarator.Parent);
var restOfForeachBody = foreachStatement.Statement
.RemoveNode(variableDeclarator, SyntaxRemoveOptions.AddElasticMarker)
.WithAdditionalAnnotations(Formatter.Annotation);
var newFeStatement = foreachStatement
.WithExpression((ExpressionSyntax)selectCall)
.WithIdentifier(generator.IdentifierName(newVariableName).GetFirstToken())
.WithStatement(restOfForeachBody);
var newRoot = root.ReplaceNode(foreachStatement, newFeStatement);
var withEmptyVariableDeclarationsRemoved = new RemoveEmptyVariableDeclarationSyntax().Visit(newRoot);
return(document.WithSyntaxRoot(withEmptyVariableDeclarationsRemoved));
}
private async Task<Document> ConvertVariableAssignmentToLINQ(Document document, VariableDeclaratorSyntax variableDeclarator, ForEachStatementSyntax foreachStatement, CancellationToken c)
{
var generator = SyntaxGenerator.GetGenerator(document);
var oldVariableName = foreachStatement.Identifier.Text;
var newVariableName = variableDeclarator.Identifier.Text;
var oldVariables = variableDeclarator.Initializer.Value.DescendantNodesAndSelf().OfType<IdentifierNameSyntax>().Where(x => x.Identifier.Text == oldVariableName);
var selectCall = generator.InvocationExpression(
generator.MemberAccessExpression(foreachStatement.Expression, "Select"),
generator.Argument(
generator.ValueReturningLambdaExpression(
new[] { generator.LambdaParameter("x") },
variableDeclarator.Initializer.Value.ReplaceNodes(oldVariables, (x, y) => generator.IdentifierName("x")))));
var root = await document.GetSyntaxRootAsync(c);
Debug.WriteLine(variableDeclarator.Parent);
var restOfForeachBody = foreachStatement.Statement
.RemoveNode(variableDeclarator, SyntaxRemoveOptions.AddElasticMarker)
.WithAdditionalAnnotations(Formatter.Annotation);
var newFeStatement = foreachStatement
.WithExpression((ExpressionSyntax)selectCall)
.WithIdentifier(generator.IdentifierName(newVariableName).GetFirstToken())
.WithStatement(restOfForeachBody);
var newRoot = root.ReplaceNode(foreachStatement, newFeStatement);
var withEmptyVariableDeclarationsRemoved = new RemoveEmptyVariableDeclarationSyntax().Visit(newRoot);
return document.WithSyntaxRoot(withEmptyVariableDeclarationsRemoved);
}