public override SyntaxNode VisitClassDeclaration(ClassDeclarationSyntax node)
{
var commented = node.DescendantTrivia()
.Where(c => c.Kind() == SyntaxKind.SingleLineCommentTrivia)
.FirstOrDefault(c => c.ToString().Contains(attributeName));
if (commented != null)
{
node = node.ReplaceTrivia(commented, SyntaxTrivia(SyntaxKind.WhitespaceTrivia, ""));
}
var attribute = node.AttributeLists.SelectMany(c => c.Attributes)
.FirstOrDefault(a => (a.Name as IdentifierNameSyntax)
.Identifier.Text.StartsWith(attributeName));
if (node.AttributeLists.Any(al => al.Contains(attribute)))
{
return(node);
}
var newAttrib =
AttributeList(
SingletonSeparatedList(
Attribute(
IdentifierName(attributeName)
)
)
);
return(node.AddAttributeLists(newAttrib).NormalizeWhitespace());
}
internal static RegionDirectiveTriviaSyntax GetRegion(this ClassDeclarationSyntax classDeclaration, string regionName)
{
var region = classDeclaration.DescendantTrivia()
.Where(x => x.IsKind(SyntaxKind.RegionDirectiveTrivia))
.Select(x => x.GetStructure() as RegionDirectiveTriviaSyntax)
.FirstOrDefault(x => x.ToString().Contains(regionName));
return(region);
}
private BeginEndRegionTrivia GetRegion(ClassDeclarationSyntax classDeclaration, string name)
{
using (var triviaEnumerator = classDeclaration.DescendantTrivia().GetEnumerator())
while (triviaEnumerator.MoveNext())
{
var beginRegionTrivia = triviaEnumerator.Current;
if (SyntaxKind.RegionDirective == beginRegionTrivia.Kind)
{
var text = beginRegionTrivia.GetText().Trim();
if (text.Trim().EndsWith(name))
{
// The #region is found, now looking for the matching #endregion
var prev = beginRegionTrivia;
var depth = 0;
while (triviaEnumerator.MoveNext())
{
var endRegionTrivia = triviaEnumerator.Current;
// Handle nested #regions...
if (SyntaxKind.RegionDirective == endRegionTrivia.Kind)
{
depth++;
}
else if (SyntaxKind.EndRegionDirective == endRegionTrivia.Kind)
{
if (0 == depth)
return new BeginEndRegionTrivia()
{
beginRegionTrivia = beginRegionTrivia,
endRegionTrivia = prev, // this places the text within the whitespace
whiteSpace = prev.GetText()
};
else
depth--;
}
prev = endRegionTrivia;
}
}
}
}
// No matching #region and #endregion found
return null;
}
private void ProcessChild(SyntaxNode syntaxNode, NodeDetails previousNodeDetails)
{
switch (syntaxNode.Kind())
{
case SyntaxKind.ClassDeclaration:
{
ClassDeclarationSyntax classDeclarationSyntax = (ClassDeclarationSyntax)syntaxNode;
if (classDeclarationSyntax.AttributeLists.Count > 0)
{
var classDetails = classDeclarationSyntax.GetClassDetails();
var classHashes = Generator.Get(classDetails.Attribute, classDetails.AttributeArgument).Select(generator =>
{
var key = generator.GetEnumeratedType();
var value = generator.AddClass(classDetails, previousNodeDetails.ParentHashes == null ? string.Empty : previousNodeDetails.ParentHashes[key]);
return(new KeyValuePair <XChains, string>(key, value));
}).ToDictionary(x => x.Key, x => x.Value);
if (classDetails.IsModel)
{
Models.Add(classDetails.Name, new List <ModelProperty>());
}
classDetails.ParentHashes = classHashes;
var singleLineComments = classDeclarationSyntax.DescendantTrivia().Where(descendent => descendent.IsKind(SyntaxKind.SingleLineCommentTrivia));
foreach (var singleLineComment in singleLineComments)
{
var comment = singleLineComment.ToFullString().Split("//").Last().Trim();
if (Regex.IsMatch(syntaxNode.ToString(), Constants.XOnRegex) && classHashes.ContainsKey(XChains.Ethereum))
{
var expressionDetails = singleLineComment.GetExpressionDetails();
Generator.Get(Constants.XOn, Constants.XOnEthereumChain).ForEach(generator =>
{
generator.AddExpression(expressionDetails, classHashes.Where(classHash => classHash.Key == XChains.Ethereum).FirstOrDefault().Value);
});
}
}
foreach (var member in classDeclarationSyntax.Members)
{
ProcessChild(member, classDetails);
}
}
}
break;
case SyntaxKind.FieldDeclaration:
{
FieldDeclarationSyntax fieldDeclarationSyntax = (FieldDeclarationSyntax)syntaxNode;
if (previousNodeDetails != null && previousNodeDetails.GetType() == typeof(ClassDetails))
{
var fieldDetails = fieldDeclarationSyntax.GetFieldDetails();
if (fieldDetails.Attribute.Equals(string.Empty))
{
fieldDetails.Attribute = previousNodeDetails.Attribute;
fieldDetails.AttributeArgument = previousNodeDetails.AttributeArgument;
}
var fieldHashes = Generator.Get(fieldDetails.Attribute, fieldDetails.AttributeArgument).Select(generator =>
{
var key = generator.GetEnumeratedType();
var value = generator.AddField(fieldDetails, previousNodeDetails.ParentHashes == null ? string.Empty : previousNodeDetails.ParentHashes[key]);
return(new KeyValuePair <XChains, string>(key, value));
}).ToDictionary(x => x.Key, x => x.Value);
var parsedPreviousNodeDetails = (ClassDetails)previousNodeDetails;
if (parsedPreviousNodeDetails.IsModel)
{
foreach (var fieldHash in fieldHashes)
{
Models[parsedPreviousNodeDetails.Name].Add(new ModelProperty
{
Location = fieldHash.Key,
Hash = fieldHash.Value,
IsParameter = fieldDetails.IsParameter
});
}
}
}
else
{
throw new InvalidExpressionException("Field declared in incorrect place...");
}
}
break;
case SyntaxKind.ConstructorDeclaration:
{
ConstructorDeclarationSyntax constructorDeclarationSyntax = (ConstructorDeclarationSyntax)syntaxNode;
if (previousNodeDetails != null && previousNodeDetails.GetType() == typeof(ClassDetails))
{
var constructorDetails = constructorDeclarationSyntax.GetConstructorDetails();
if (constructorDetails.Attribute.Equals(string.Empty))
{
constructorDetails.Attribute = previousNodeDetails.Attribute;
constructorDetails.AttributeArgument = previousNodeDetails.AttributeArgument;
}
var constructorHashes = Generator.Get(constructorDetails.Attribute, constructorDetails.AttributeArgument).Select(generator =>
{
var key = generator.GetEnumeratedType();
var value = generator.AddConstructor(constructorDetails, previousNodeDetails.ParentHashes == null ? string.Empty : previousNodeDetails.ParentHashes[key]);
return(new KeyValuePair <XChains, string>(key, value));
}).ToDictionary(x => x.Key, x => x.Value);
var statementQueue = new Queue <SyntaxNode>(constructorDeclarationSyntax.Body.Statements);
string lastKnownBlockHash = string.Empty;
while (statementQueue.Count > 0)
{
var member = statementQueue.Dequeue();
if (Regex.IsMatch(member.ToString(), Constants.XOnRegex) && statementQueue.Peek().Kind() == SyntaxKind.Block)
{
var onChainArguments = member.ToString().Split('(', ')')[1].Split(',').ToList();
var blockAttribute = onChainArguments.First().Contains("\"") ? onChainArguments.First().Replace("\"", "") : onChainArguments.First();
var argumentList = onChainArguments.Skip(1).ToList().Select(argument => argument.Trim()).ToList();
constructorDetails.Arguments = argumentList;
constructorDetails.ParentHashes = constructorHashes.Where(methodHash => methodHash.Key.ToString() == blockAttribute).ToDictionary(methodHash => methodHash.Key, methodHash => methodHash.Value);
constructorDetails.Attribute = Constants.XOn;
constructorDetails.AttributeArgument = blockAttribute;
Generator.Get(Constants.XOn, blockAttribute).ForEach(generator => generator.AddMethodParameters(constructorDetails, constructorHashes.Where(methodHash => methodHash.Key.ToString() == blockAttribute).First().Value, GetModelParameters, Models.Select(model => model.Key).ToList()));
ProcessChild(statementQueue.Dequeue(), constructorDetails);
lastKnownBlockHash = blockAttribute.Equals(Constants.XOnDesktop) ? constructorHashes.First().Value : string.Empty;
}
else
{
constructorDetails.ParentHashes = constructorHashes;
constructorDetails.Attribute = constructorDetails.Attribute;
constructorDetails.AttributeArgument = constructorDetails.AttributeArgument;
ProcessChild(member, constructorDetails);
}
}
}
else
{
throw new InvalidExpressionException("Constructor declared in incorrect place...");
}
}
break;
case SyntaxKind.MethodDeclaration:
{
MethodDeclarationSyntax methodDeclarationSyntax = (MethodDeclarationSyntax)syntaxNode;
if (previousNodeDetails != null && previousNodeDetails.GetType() == typeof(ClassDetails))
{
var methodDetails = methodDeclarationSyntax.GetMethodDetails();
if (methodDetails.Attribute.Equals(string.Empty))
{
methodDetails.Attribute = previousNodeDetails.Attribute;
methodDetails.AttributeArgument = previousNodeDetails.AttributeArgument;
}
var methodHashes = Generator.Get(string.IsNullOrEmpty(methodDetails.Attribute) ? previousNodeDetails.Attribute : methodDetails.Attribute, string.IsNullOrEmpty(methodDetails.Attribute) ? previousNodeDetails.AttributeArgument : methodDetails.AttributeArgument).Select(generator =>
{
var key = generator.GetEnumeratedType();
var value = generator.AddMethod(methodDetails, previousNodeDetails.ParentHashes == null ? string.Empty : previousNodeDetails.ParentHashes[key]);
return(new KeyValuePair <XChains, string>(key, value));
}).ToDictionary(x => x.Key, x => x.Value);
var statementQueue = new Queue <SyntaxNode>(methodDeclarationSyntax.Body.Statements);
string lastKnownBlockHash = string.Empty;
while (statementQueue.Count > 0)
{
var member = statementQueue.Dequeue();
if (Regex.IsMatch(member.ToString(), Constants.XOnRegex) && statementQueue.Peek().Kind() == SyntaxKind.Block)
{
var onChainArguments = member.ToString().Split('(', ')')[1].Split(',').ToList();
var blockAttribute = onChainArguments.First().Contains("\"") ? onChainArguments.First().Replace("\"", "") : onChainArguments.First();
var argumentList = onChainArguments.Skip(1).ToList().Select(argument => argument.Trim()).ToList();
var isSynchronous = member.ToString().StartsWith(Constants.SynchronousEscapeCharacter);
methodDetails.Arguments = argumentList;
methodDetails.IsSynchronous = isSynchronous;
methodDetails.ParentHashes = methodHashes.Where(methodHash => methodHash.Key.ToString() == blockAttribute).ToDictionary(methodHash => methodHash.Key, methodHash => methodHash.Value);
methodDetails.Attribute = Constants.XOn;
methodDetails.AttributeArgument = blockAttribute;
Generator.Get(Constants.XOn, blockAttribute).ForEach(generator =>
{
var xCallArguments = generator.AddMethodParameters(methodDetails, methodHashes.Where(methodHash => methodHash.Key.ToString() == blockAttribute).First().Value, GetModelParameters, Models.Select(model => model.Key).ToList());
generator.AddMethodReturnTypes(methodDetails, methodHashes.Where(methodHash => methodHash.Key.ToString() == blockAttribute).First().Value, GetModelReturnsTypes, Models.Select(model => model.Key).ToList());
if (!blockAttribute.Equals(Constants.XOnDesktop))
{
Generator.Get(Constants.XOn, Constants.XOnDesktop).ForEach(generator =>
{
var isReturnStatement = member.ToString().StartsWith("return");
generator.AddExpression(new ExpressionDetails()
{
Statement = (isReturnStatement ? "return " : string.Empty) + (methodDetails.IsSynchronous ? "await " : string.Empty) + string.Format(Constants.XCallExpression, Constants.XOnEthereumChain, methodDetails.Identifier, xCallArguments)
}, lastKnownBlockHash);
});
}
});
ProcessChild(statementQueue.Dequeue(), methodDetails);
lastKnownBlockHash = blockAttribute.Equals(Constants.XOnDesktop) ? methodHashes.First().Value : string.Empty;
}
else
{
methodDetails.ParentHashes = methodHashes;
methodDetails.Attribute = methodDetails.Attribute;
methodDetails.AttributeArgument = methodDetails.AttributeArgument;
ProcessChild(member, methodDetails);
}
}
}
else
{
throw new InvalidExpressionException("Method declared in incorrect place...");
}
}
break;
case SyntaxKind.SingleLineCommentTrivia:
case SyntaxKind.IfStatement:
case SyntaxKind.ReturnStatement:
case SyntaxKind.ExpressionStatement:
case SyntaxKind.LocalDeclarationStatement:
{
if (previousNodeDetails != null)
{
var expressionDetails = syntaxNode.GetExpressionDetails();
var statementHashes = Generator.Get(previousNodeDetails.Attribute, previousNodeDetails.AttributeArgument).Select(generator =>
{
var key = generator.GetEnumeratedType();
var value = generator.AddExpression(expressionDetails, previousNodeDetails.ParentHashes == null ? string.Empty : previousNodeDetails.ParentHashes[key], Models.Select(model => model.Key).ToList());
return(new KeyValuePair <XChains, string>(key, value));
}).ToDictionary(x => x.Key, x => x.Value);
}
else
{
throw new InvalidExpressionException("Expression declared in incorrect place...");
}
}
break;
case SyntaxKind.Block:
{
BlockSyntax blockSyntax = (BlockSyntax)syntaxNode;
if (previousNodeDetails != null)
{
foreach (var child in blockSyntax.ChildNodes())
{
ProcessChild(child, previousNodeDetails);
}
}
else
{
throw new InvalidExpressionException("Block declared in incorrect place...");
}
break;
}
default:
{
foreach (var member in syntaxNode.ChildNodes())
{
ProcessChild(member, new NodeDetails());
}
break;
}
}
}