private static SyntaxList <ArrayRankSpecifierSyntax> ArrayRankSpecifier(ExpressionSyntax expressionSyntax)
{
var literalExpressionSyntaxList = SyntaxFactory.SingletonSeparatedList(expressionSyntax);
var arrayRankSpecifierSyntax = SyntaxFactory.ArrayRankSpecifier(literalExpressionSyntaxList);
return(SyntaxFactory.SingletonList(arrayRankSpecifierSyntax));
}
internal SyntaxList <ArrayRankSpecifierSyntax> ConvertArrayRankSpecifierSyntaxes(
SyntaxList <VBSyntax.ArrayRankSpecifierSyntax> arrayRankSpecifierSyntaxs,
ArgumentListSyntax nodeArrayBounds, bool withSizes = true)
{
var bounds = SyntaxFactory.List(arrayRankSpecifierSyntaxs.Select(r => (ArrayRankSpecifierSyntax)r.Accept(_nodesVisitor)));
if (nodeArrayBounds != null)
{
var sizesSpecified = nodeArrayBounds.Arguments.Any(a => !a.IsOmitted);
var rank = nodeArrayBounds.Arguments.Count;
if (!sizesSpecified)
{
rank += 1;
}
var convertedArrayBounds = withSizes && sizesSpecified?ConvertArrayBounds(nodeArrayBounds)
: Enumerable.Repeat(SyntaxFactory.OmittedArraySizeExpression(), rank);
var arrayRankSpecifierSyntax = SyntaxFactory.ArrayRankSpecifier(
SyntaxFactory.SeparatedList(
convertedArrayBounds));
bounds = bounds.Insert(0, arrayRankSpecifierSyntax);
}
return(bounds);
}
public static ArrowExpressionClauseSyntax GenerateSpanNameValues(MemberDeclarationMeta memberdecl) //=> { byte, byte, byte, byte}
{
SeparatedSyntaxList <ExpressionSyntax> ArrayInitExpr(MemberDeclarationMeta memberdecl)
{
SeparatedSyntaxList <ExpressionSyntax> expr = new SeparatedSyntaxList <ExpressionSyntax>();
foreach (var byteItem in Encoding.UTF8.GetBytes(memberdecl.StringFieldNameAlias))
{
expr = expr.Add(Basics.NumberLiteral(byteItem));
}
return(expr);
}
ArrayRankSpecifierSyntax ArrayRank(MemberDeclarationMeta memberdecl)
{
return(SF.ArrayRankSpecifier().AddSizes(Basics.NumberLiteral(memberdecl.StringFieldNameAlias.Length)));
}
return(SF.ArrowExpressionClause(
SF.ArrayCreationExpression(
SF.ArrayType(
SF.PredefinedType(SF.Token(SyntaxKind.ByteKeyword)),
SF.SingletonList <ArrayRankSpecifierSyntax>(ArrayRank(memberdecl))),
SF.InitializerExpression(SyntaxKind.ArrayInitializerExpression, ArrayInitExpr(memberdecl))
)
));
}
private PropertyDeclarationSyntax CreateArray(SymbolData symbol)
{
var type = SF.ArrayType(
SF.ParseTypeName(SymbolTypeConverter.Convert(symbol)),
SF.List(new ArrayRankSpecifierSyntax[]
{
SF.ArrayRankSpecifier(),
}));
return(CreatePropertyImpl(type, symbol));
}
private ExpressionStatementSyntax CreateNewArrayAssignment(VBSyntax.ExpressionSyntax vbArrayExpression,
ExpressionSyntax csArrayExpression, List <ExpressionSyntax> convertedBounds,
int nodeSpanStart)
{
var arrayRankSpecifierSyntax = SyntaxFactory.ArrayRankSpecifier(SyntaxFactory.SeparatedList(convertedBounds));
var convertedType = (IArrayTypeSymbol)_semanticModel.GetTypeInfo(vbArrayExpression).ConvertedType;
var typeSyntax = GetTypeSyntaxFromTypeSymbol(convertedType.ElementType, nodeSpanStart);
var arrayCreation =
SyntaxFactory.ArrayCreationExpression(SyntaxFactory.ArrayType(typeSyntax,
SyntaxFactory.SingletonList(arrayRankSpecifierSyntax)));
var assignmentExpressionSyntax =
SyntaxFactory.AssignmentExpression(SyntaxKind.SimpleAssignmentExpression, csArrayExpression, arrayCreation);
var newArrayAssignment = SyntaxFactory.ExpressionStatement(assignmentExpressionSyntax);
return(newArrayAssignment);
}
/// <summary>
/// Create a class that implements <see cref="ICommand"/>.
///
/// The implementation will execute the given <see cref="method"/>.
/// </summary>
/// <param name="id">The unique identifier of the command for <see cref="ICommand.Id"/>.</param>
/// <param name="className">The new class name.</param>
/// <param name="moduleType">The type that contains the <see cref="method"/>.</param>
/// <param name="method">The method that should be executed when <see cref="ICommand.ExecuteAsync"/> is called.</param>
/// <returns>The <see cref="ClassDeclarationSyntax"/>.</returns>
private ClassDeclarationSyntax CreateCommandClass(
string id,
IReadOnlyList <string> aliases,
string className,
Type moduleType,
MethodInfo method)
{
var permission = ModuleUtils.GetPermissionName(moduleType, method);
var moduleName = ModuleUtils.GetModuleName(moduleType);
var attr = method.GetCustomAttribute <CommandAttribute>();
var guildOnly = attr.GuildOnly;
var permissionGroup = attr.PermissionGroup.ToString();
return(S.ClassDeclaration(className)
.AddBaseListTypes(S.SimpleBaseType(CommandType))
.AddMembers(
// ICommand.Id
S.PropertyDeclaration(StringType, nameof(ICommand.Id))
.AddAccessorListAccessors(
S.AccessorDeclaration(SyntaxKind.GetAccessorDeclaration)
.AddBodyStatements(S.ReturnStatement(S.LiteralExpression(SyntaxKind.StringLiteralExpression, S.Literal(id))))
.WithSemicolonToken(S.Token(SyntaxKind.SemicolonToken))
)
.AddModifiers(S.Token(SyntaxKind.PublicKeyword)),
// ICommand.Aliases
S.PropertyDeclaration(ReadOnlyStringList, nameof(ICommand.Aliases))
.AddAccessorListAccessors(
S.AccessorDeclaration(SyntaxKind.GetAccessorDeclaration)
.AddBodyStatements(S.ReturnStatement(S.ArrayCreationExpression(
S.ArrayType(StringType)
.WithRankSpecifiers(S.SingletonList(S.ArrayRankSpecifier(S.SingletonSeparatedList <ExpressionSyntax>(S.OmittedArraySizeExpression())))),
S.InitializerExpression(SyntaxKind.ArrayInitializerExpression,
new SeparatedSyntaxList <ExpressionSyntax>()
.AddRange(aliases.Select(s => S.LiteralExpression(SyntaxKind.StringLiteralExpression, S.Literal(s))))))))
.WithSemicolonToken(S.Token(SyntaxKind.SemicolonToken))
)
.AddModifiers(S.Token(SyntaxKind.PublicKeyword)),
// ICommand.Module
S.PropertyDeclaration(StringType, nameof(ICommand.Module))
.AddAccessorListAccessors(
S.AccessorDeclaration(SyntaxKind.GetAccessorDeclaration)
.AddBodyStatements(S.ReturnStatement(S.LiteralExpression(SyntaxKind.StringLiteralExpression, S.Literal(moduleName))))
.WithSemicolonToken(S.Token(SyntaxKind.SemicolonToken))
)
.AddModifiers(S.Token(SyntaxKind.PublicKeyword)),
// ICommand.Permission
S.PropertyDeclaration(StringType, nameof(ICommand.Permission))
.AddAccessorListAccessors(
S.AccessorDeclaration(SyntaxKind.GetAccessorDeclaration)
.AddBodyStatements(S.ReturnStatement(S.LiteralExpression(SyntaxKind.StringLiteralExpression, S.Literal(permission))))
.WithSemicolonToken(S.Token(SyntaxKind.SemicolonToken))
)
.AddModifiers(S.Token(SyntaxKind.PublicKeyword)),
// ICommand.PermissionGroup
S.PropertyDeclaration(S.ParseName(nameof(PermissionGroup)), nameof(ICommand.PermissionGroup))
.AddAccessorListAccessors(
S.AccessorDeclaration(SyntaxKind.GetAccessorDeclaration)
.AddBodyStatements(S.ReturnStatement(S.MemberAccessExpression(SyntaxKind.SimpleMemberAccessExpression, S.IdentifierName(nameof(PermissionGroup)), S.IdentifierName(permissionGroup))))
.WithSemicolonToken(S.Token(SyntaxKind.SemicolonToken))
)
.AddModifiers(S.Token(SyntaxKind.PublicKeyword)),
// ICommand.GuildOnly
S.PropertyDeclaration(BoolType, nameof(ICommand.GuildOnly))
.AddAccessorListAccessors(
S.AccessorDeclaration(SyntaxKind.GetAccessorDeclaration)
.AddBodyStatements(S.ReturnStatement(S.LiteralExpression(guildOnly ? SyntaxKind.TrueLiteralExpression : SyntaxKind.FalseLiteralExpression)))
.WithSemicolonToken(S.Token(SyntaxKind.SemicolonToken))
)
.AddModifiers(S.Token(SyntaxKind.PublicKeyword)),
// ICommand.ExecuteAsync
S.MethodDeclaration(TaskType, nameof(ICommand.ExecuteAsync))
.AddModifiers(S.Token(SyntaxKind.PublicKeyword), S.Token(SyntaxKind.AsyncKeyword))
.AddParameterListParameters(Parameter(ArgumentContext, MessageContextType))
.AddBodyStatements(
S.ExpressionStatement(InvokeCommand(moduleType, method))
)
));
}
public ClassDeclarationSyntax GenerateHelper()
{
if (!HasImports)
{
return(null);
}
var xAttributeList = SyntaxFactory.FieldDeclaration(
SyntaxFactory.List <AttributeListSyntax>(),
SyntaxFactory.TokenList(SyntaxFactory.Token(CSSyntaxKind.PrivateKeyword), SyntaxFactory.Token(CSSyntaxKind.StaticKeyword)),
CommonConversions.CreateVariableDeclarationAndAssignment(
"namespaceAttributes", SyntaxFactory.InitializerExpression(
CSSyntaxKind.ArrayInitializerExpression,
SyntaxFactory.SeparatedList <ExpressionSyntax>(
from x in _xNamespaceFields
let fieldIdentifierName = SyntaxFactory.IdentifierName(x.Declaration.Variables.Single().Identifier)
let namespaceNameExpression = SyntaxFactory.MemberAccessExpression(CSSyntaxKind.SimpleMemberAccessExpression, fieldIdentifierName, SyntaxFactory.IdentifierName("NamespaceName"))
let attributeNameExpression = fieldIdentifierName.IsEquivalentTo(DefaultIdentifierName) ? CommonConversions.Literal("xmlns") : BuildXmlnsAttributeName(fieldIdentifierName)
let arguments = SyntaxFactory.Argument(attributeNameExpression).Yield().Concat(SyntaxFactory.Argument(namespaceNameExpression))
select SyntaxFactory.ObjectCreationExpression(SyntaxFactory.IdentifierName("XAttribute")).WithArgumentList(SyntaxFactory.ArgumentList(SyntaxFactory.SeparatedList(arguments))))),
SyntaxFactory.ArrayType(SyntaxFactory.IdentifierName("XAttribute"), SyntaxFactory.SingletonList(SyntaxFactory.ArrayRankSpecifier(SyntaxFactory.SingletonSeparatedList <ExpressionSyntax>(SyntaxFactory.OmittedArraySizeExpression()))))));
var boilerplate = SyntaxFactory.ParseStatement(@"
TContainer Apply<TContainer>(TContainer x) where TContainer : XContainer
{
foreach (var d in x.Descendants()) {
foreach (var n in namespaceAttributes) {
var a = d.Attribute(n.Name);
if (a != null && a.Value == n.Value) {
a.Remove();
}
}
}
x.Add(namespaceAttributes);
return x;
}") as LocalFunctionStatementSyntax;
var applyMethod = SyntaxFactory.MethodDeclaration(
SyntaxFactory.List <AttributeListSyntax>(),
SyntaxFactory.TokenList(SyntaxFactory.Token(CSSyntaxKind.InternalKeyword), SyntaxFactory.Token(CSSyntaxKind.StaticKeyword)),
boilerplate.ReturnType,
null,
boilerplate.Identifier,
boilerplate.TypeParameterList,
boilerplate.ParameterList,
boilerplate.ConstraintClauses,
boilerplate.Body,
boilerplate.ExpressionBody);
return(SyntaxFactory.ClassDeclaration(
SyntaxFactory.List <AttributeListSyntax>(),
SyntaxFactory.TokenList(SyntaxFactory.Token(CSSyntaxKind.InternalKeyword), SyntaxFactory.Token(CSSyntaxKind.StaticKeyword)),
HelperClassUniqueIdentifierName.Identifier,
null, null,
SyntaxFactory.List <TypeParameterConstraintClauseSyntax>(),
SyntaxFactory.List(_xNamespaceFields.Concat <MemberDeclarationSyntax>(xAttributeList).Concat(applyMethod))
));
}
