private static ParameterSyntax CreateParameter(WebIdlArgumentDefinition arg)
{
var item = SyntaxFactory.Identifier(NameService.GetValidIndentifier(arg.EscapedName));
return(SyntaxFactory.Parameter(item)
.WithType(CreateType(arg.IdlType)));
}
private static MemberDeclarationSyntax CreateInterfaceOperation(string proxyClass, WebIdlMemberDefinition memberDefinition)
{
var name = memberDefinition.Body.Name.Escaped;
try
{
var returnTypeReference = memberDefinition.Body.IdlType;
var isAsyncCall = NameService.IsAsync(returnTypeReference);
if (isAsyncCall)
{
name += "Async";
}
var returnType = CreateType(returnTypeReference);
var arguments = memberDefinition.Body.Arguments.Select(CreateParameter);
var body = isAsyncCall
? GenerateAsyncProxyCall(proxyClass, memberDefinition)
: GenerateSyncProxyCall(proxyClass, memberDefinition);
var methodModifier = isAsyncCall
? SyntaxFactory.TokenList(
SyntaxFactory.Token(SyntaxKind.PublicKeyword),
SyntaxFactory.Token(SyntaxKind.AsyncKeyword))
: SyntaxFactory.TokenList(
SyntaxFactory.Token(SyntaxKind.PublicKeyword));
return(SyntaxFactory.MethodDeclaration(returnType, NameService.GetValidIndentifier(name))
.WithModifiers(methodModifier)
.WithParameterList(SyntaxFactory.ParameterList(SyntaxFactory.SeparatedList(arguments)))
.WithBody(body));
}
catch (Exception ex)
{
throw new InvalidOperationException($"Error during generation operation {name}", ex);
}
}
private static TypeSyntax CreateType(WebIdlTypeReference returnTypeReference)
{
var typeName = NameService.GetTypeName(returnTypeReference);
var returnType = SyntaxFactory.ParseTypeName(typeName);
return(returnType);
}
private static ClassDeclarationSyntax GenerateInterfaceCode(WebIdlTypeDefinition token)
{
var name = token.Name;
try
{
var classDeclaration = SyntaxFactory.ClassDeclaration(name)
.WithModifiers(SyntaxFactory.TokenList(
SyntaxFactory.Token(SyntaxKind.PublicKeyword),
SyntaxFactory.Token(SyntaxKind.PartialKeyword)));
var arguments = new[]
{
Parameter(Identifier(NameService.GetValidIndentifier("asyncJsRunTime")))
.WithType(ParseTypeName("IJSRuntime")),
};
var constructorMember = ConstructorDeclaration(NameService.GetValidIndentifier(name))
.WithModifiers(TokenList(
Token(SyntaxKind.PublicKeyword)))
.WithParameterList(ParameterList(SeparatedList(arguments)))
.WithBody(Block(
ParseStatement("this.asyncJsRunTime = asyncJsRunTime;")));
classDeclaration = classDeclaration.AddMembers(constructorMember);
var asyncJsRunTimeField = SyntaxFactory.FieldDeclaration(
VariableDeclaration(
ParseTypeName("IJSRuntime"))
.WithVariables(
SyntaxFactory.SingletonSeparatedList <VariableDeclaratorSyntax>(
SyntaxFactory.VariableDeclarator(
SyntaxFactory.Identifier(NameService.GetValidIndentifier("asyncJsRunTime"))))))
.WithModifiers(SyntaxFactory.TokenList(SyntaxFactory.Token(SyntaxKind.PrivateKeyword)));
classDeclaration = classDeclaration.AddMembers(asyncJsRunTimeField);
var proxyClass = $"Blazor{token.Name}Proxy";
foreach (var enumMemberDefinition in token.Members)
{
var constField = CreateInterfaceMember(proxyClass, enumMemberDefinition);
// Add the field, the property and method to the class.
classDeclaration = classDeclaration.AddMembers(constField);
}
return(classDeclaration);
}
catch (Exception ex)
{
throw new InvalidOperationException($"Error during generation interface {name}", ex);
}
}
private static BlockSyntax GenerateAsyncProxyCall(string proxyClass, WebIdlMemberDefinition memberDefinition)
{
/*
* public static async Task<string> MethodNameAsync(string arg1, string arg2)
* {
* var asyncJsRunTime = JSRuntime.Current;
* return await asyncJsRunTime.InvokeAsync<string>("proxyClass.methodName", arg1, arg2);
* }
*/
var methodName = memberDefinition.Body.Name.Escaped;
var asyncInvocation = SyntaxFactory.ParseExpression($@"await asyncJsRunTime.InvokeAsync<string>(""{proxyClass}.{methodName}"", message)");
var syntax = SyntaxFactory.ParseStatement("var asyncJsRunTime = this.asyncJsRunTime;");
var proxyFunctionArgument = SyntaxFactory.Argument(
SyntaxFactory.LiteralExpression(
SyntaxKind.StringLiteralExpression,
SyntaxFactory.Literal($"{proxyClass}.{methodName}")));
var arguments = memberDefinition.Body.Arguments.Select(CreateArgumentCallExpression);
var proxyCallArguments = new[] { proxyFunctionArgument }.Union(arguments);
var typeName = memberDefinition.Body.IdlType.TypeName ?? memberDefinition.Body.IdlType.IdlType[0].TypeName;
var isResultTypeVoid = typeName == "void";
var resultType = isResultTypeVoid
? SyntaxFactory.PredefinedType(SyntaxFactory.Token(SyntaxKind.ObjectKeyword))
: SyntaxFactory.ParseTypeName(NameService.GetTypeName(memberDefinition.Body.IdlType.IdlType[0]));
var awaitExpress = SyntaxFactory.AwaitExpression(
SyntaxFactory.InvocationExpression(
SyntaxFactory.MemberAccessExpression(
kind: SyntaxKind.SimpleMemberAccessExpression,
expression: SyntaxFactory.IdentifierName("asyncJsRunTime"),
name: SyntaxFactory.GenericName(
identifier: SyntaxFactory.Identifier("InvokeAsync"),
typeArgumentList: SyntaxFactory.TypeArgumentList(
SyntaxFactory.SingletonSeparatedList <TypeSyntax>(resultType)))),
argumentList: SyntaxFactory.ArgumentList(
SyntaxFactory.SeparatedList <ArgumentSyntax>(
proxyCallArguments))));
var lastStatement = isResultTypeVoid
? (StatementSyntax)SyntaxFactory.ExpressionStatement(awaitExpress)
: SyntaxFactory.ReturnStatement(awaitExpress);
return(SyntaxFactory.Block(
syntax,
lastStatement));
}
private static DelegateDeclarationSyntax GenerateDelegate(WebIdlTypeDefinition memberDefinition)
{
var name = memberDefinition.Name;
try
{
var returnTypeReference = memberDefinition.IdlType;
var returnType = CreateType(returnTypeReference);
var arguments = memberDefinition.Arguments.Select(CreateParameter);
var methodModifier = SyntaxFactory.TokenList(
SyntaxFactory.Token(SyntaxKind.PublicKeyword));
return(SyntaxFactory.DelegateDeclaration(returnType, NameService.GetValidIndentifier(name))
.WithModifiers(methodModifier)
.WithParameterList(SyntaxFactory.ParameterList(SyntaxFactory.SeparatedList(arguments))));
}
catch (Exception ex)
{
throw new InvalidOperationException($"Error during generation operation {name}", ex);
}
}
private static MemberDeclarationSyntax CreateInterfaceField(WebIdlMemberDefinition memberDefinition)
{
var name = memberDefinition.Name;
try
{
var constField = SyntaxFactory.FieldDeclaration(
SyntaxFactory.VariableDeclaration(
SyntaxFactory.ParseTypeName(NameService.GetTypeName(memberDefinition.IdlType)))
.WithVariables(
SyntaxFactory.SingletonSeparatedList <VariableDeclaratorSyntax>(
SyntaxFactory.VariableDeclarator(
SyntaxFactory.Identifier(NameService.GetValidIndentifier(memberDefinition.Name))))))
.WithModifiers(SyntaxFactory.TokenList(SyntaxFactory.Token(SyntaxKind.PublicKeyword)));
return(constField);
}
catch (Exception ex)
{
throw new InvalidOperationException($"Error during generation field {name}", ex);
}
}
private static ClassDeclarationSyntax GenerateStringEnum(WebIdlTypeDefinition token)
{
// Create a class: (class Order)
var classDeclaration = SyntaxFactory.ClassDeclaration(token.Name)
.WithModifiers(SyntaxFactory.TokenList(
SyntaxFactory.Token(SyntaxKind.PublicKeyword)));
var enumType = SyntaxFactory.ParseTypeName(token.Name);
//// Inherit BaseEntity<T> and implement IHaveIdentity: (public class Order : BaseEntity<T>, IHaveIdentity)
//classDeclaration = classDeclaration.AddBaseListTypes(
// SyntaxFactory.SimpleBaseType(SyntaxFactory.ParseTypeName("BaseEntity<Order>")),
// SyntaxFactory.SimpleBaseType(SyntaxFactory.ParseTypeName("IHaveIdentity")));
var backingField = SyntaxFactory.FieldDeclaration(
SyntaxFactory.VariableDeclaration(
SyntaxFactory.PredefinedType(
SyntaxFactory.Token(SyntaxKind.StringKeyword)))
.WithVariables(
SyntaxFactory.SingletonSeparatedList <VariableDeclaratorSyntax>(
SyntaxFactory.VariableDeclarator(
SyntaxFactory.Identifier("field")))))
.WithModifiers(SyntaxFactory.TokenList(
SyntaxFactory.Token(SyntaxKind.PrivateKeyword),
SyntaxFactory.Token(SyntaxKind.ReadOnlyKeyword)));
classDeclaration = classDeclaration.AddMembers(backingField);
var constructorMember = SyntaxFactory.ConstructorDeclaration(token.Name)
.WithParameterList(SyntaxFactory.ParameterList(
SyntaxFactory.SingletonSeparatedList <ParameterSyntax>(
SyntaxFactory.Parameter(
SyntaxFactory.Identifier("value"))
.WithType(SyntaxFactory.PredefinedType(
SyntaxFactory.Token(SyntaxKind.StringKeyword))))))
.WithExpressionBody(
SyntaxFactory.ArrowExpressionClause(
SyntaxFactory.AssignmentExpression(
SyntaxKind.SimpleAssignmentExpression,
SyntaxFactory.IdentifierName("field"),
SyntaxFactory.IdentifierName("value"))))
.WithModifiers(SyntaxFactory.TokenList(
SyntaxFactory.Token(SyntaxKind.PrivateKeyword)))
.WithSemicolonToken(SyntaxFactory.Token(SyntaxKind.SemicolonToken));
classDeclaration = classDeclaration.AddMembers(constructorMember);
foreach (var enumMemberDefinition in token.Values)
{
var backingValue = SyntaxFactory.LiteralExpression(
SyntaxKind.StringLiteralExpression,
SyntaxFactory.Literal(enumMemberDefinition.Value));
var initializationValue = SyntaxFactory.ObjectCreationExpression(enumType)
.WithArgumentList(SyntaxFactory.ArgumentList(
SyntaxFactory.SingletonSeparatedList <ArgumentSyntax>(
SyntaxFactory.Argument(backingValue))));
var constField = SyntaxFactory.FieldDeclaration(
SyntaxFactory.VariableDeclaration(
enumType)
.WithVariables(
SyntaxFactory.SingletonSeparatedList <VariableDeclaratorSyntax>(
SyntaxFactory.VariableDeclarator(
SyntaxFactory.Identifier(NameService.ConvertFromWebIdlIdentifier(enumMemberDefinition.Value)))
.WithInitializer(
SyntaxFactory.EqualsValueClause(
initializationValue)))))
.WithModifiers(SyntaxFactory.TokenList(
SyntaxFactory.Token(SyntaxKind.PublicKeyword),
SyntaxFactory.Token(SyntaxKind.ReadOnlyKeyword),
SyntaxFactory.Token(SyntaxKind.StaticKeyword)));
// Add the field, the property and method to the class.
classDeclaration = classDeclaration.AddMembers(constField);
}
return(classDeclaration);
}
private static ArgumentSyntax CreateArgumentCallExpression(WebIdlArgumentDefinition argumentDefinition)
{
return(SyntaxFactory.Argument(
SyntaxFactory.IdentifierName(NameService.GetValidIndentifier(argumentDefinition.Name))));
}
