Exemplo n.º 1
0
 // writes a wrapped type definition for a given type
 private void WriteTypeDefinition(StonTokenWriter writer, IStonType type)
 {
     if (type == null)
     {
         return;
     }
     writer.Write('<');
     WriteType(writer, type);
     writer.Write('>');
 }
Exemplo n.º 2
0
        // writes a binding index
        private void WriteBindingKey(StonTokenWriter writer, IStonBindingIndex bindingKey)
        {
            if (bindingKey.Parameters == null)
            {
                throw new StonException("A member binding index cannot have non-existing parameters.");
            }

            writer.Write('[');
            WriteSequence(writer, bindingKey.Parameters, WriteEntity);
            writer.Write(']');
        }
Exemplo n.º 3
0
 // writes a reference defining initial context or an ancestor initial context
 private void WriteInitialContext(StonTokenWriter writer, IStonAncestorInitialContext context)
 {
     if (context.AncestorOrder == 0)
     {
         writer.Write('$');
     }
     else
     {
         writer.Write(new string('^', context.AncestorOrder));
     }
 }
Exemplo n.º 4
0
 // writes a colleciton type
 private void WriteType(StonTokenWriter writer, IStonCollectionType type)
 {
     if (type.ElementType is IStonUnionType)
     {
         writer.Write('<');
     }
     WriteType(writer, type.ElementType);
     if (type.ElementType is IStonUnionType)
     {
         writer.Write('>');
     }
     writer.Write("[]");
 }
Exemplo n.º 5
0
 // writes a document core initial context or a globally identified entity initial context
 private void WriteInitialContext(StonTokenWriter writer, IStonGlobalEntityInitialContext context)
 {
     if (context.GlobalIdentifier == null)
     {
         throw new StonException("A global entity initial context must have an existing global identifier.");
     }
     else if (context.GlobalIdentifier == "")
     {
         writer.Write("^*");
     }
     else
     {
         writer.Write("@" + context.GlobalIdentifier);
     }
 }
Exemplo n.º 6
0
        // writes a collection inititialization component of a complex value
        private void WriteCollectionInit(StonTokenWriter writer, IStonCollectionInit collectionInit)
        {
            if (collectionInit == null)
            {
                return;
            }
            if (collectionInit.Elements == null)
            {
                throw new StonException("A complex value collection initialization cannot have a non-existing elements collection.");
            }

            writer.Write('[');
            WriteSequence(writer, collectionInit.Elements, WriteEntity);
            writer.Write(']');
        }
Exemplo n.º 7
0
 // writes a named member access path segment or an indexed member access path segment
 private void WritePathSegment(StonTokenWriter writer, IStonMemberPathSegment segment)
 {
     if (segment.BindingKey is IStonBindingName)
     {
         writer.Write('.');
     }
     WriteBindingKey(writer, segment.BindingKey);
 }
Exemplo n.º 8
0
 // writes a binding name
 private void WriteBindingKey(StonTokenWriter writer, IStonBindingName bindingKey)
 {
     if (bindingKey.IsExtension)
     {
         writer.Write('!');
     }
     WriteStringLiteral(writer, bindingKey.Name);
 }
Exemplo n.º 9
0
        // writes a construction component of a complex value
        private void WriteConstruction(StonTokenWriter writer, IStonConstruction construction)
        {
            if (construction == null)
            {
                return;
            }
            if (construction.PositionalParameters == null)
            {
                throw new StonException("A complex value construction cannot have a non-existing positional parameters collection.");
            }
            if (construction.NamedParameters == null)
            {
                throw new StonException("A complex value construction cannot have a non-existing named parameters collection.");
            }

            writer.Write('(');

            // writing positional parameters
            WriteSequence(
                writer,
                construction.PositionalParameters,
                (w, p) => { w.Write(':'); WriteEntity(w, p); }
                );

            // a comma between positional and named parameters, if both types of parameters are present
            // it is necessary, because positional parameters sequence and named parameters sequence are written separately
            if (construction.PositionalParameters.Any() && construction.NamedParameters.Any())
            {
                writer.Write(',');
            }

            // writing named parameters
            WriteSequence(
                writer,
                construction.NamedParameters,
                (w, p) => {
                WriteStringLiteral(w, p.Key);
                w.Write(':');
                WriteEntity(w, p.Value);
            }
                );

            writer.Write(')');
        }
Exemplo n.º 10
0
        // writes a named type
        private void WriteType(StonTokenWriter writer, IStonNamedType type)
        {
            if (type.TypeParameters == null)
            {
                throw new StonException("A named type cannot have a non-existing type parameters collection.");
            }

            if (type.IsExtension)
            {
                writer.Write('!');
            }
            WriteStringLiteral(writer, type.Name);
            if (type.TypeParameters.Any())
            {
                writer.Write('<');
                WriteSequence(writer, type.TypeParameters, WriteType);
                writer.Write('>');
            }
        }
Exemplo n.º 11
0
 // writes a global identifier, or nothing if the identifier is not present
 private void WriteGlobalIdentifier(StonTokenWriter writer, string globalIdentifier)
 {
     if (globalIdentifier == null)
     {
         return;
     }
     else
     {
         writer.Write("&" + globalIdentifier + "=");
     }
 }
Exemplo n.º 12
0
        // writes a member initialization component of a complex value
        private void WriteMemberInit(StonTokenWriter writer, IStonMemberInit memberInit)
        {
            if (memberInit == null)
            {
                return;
            }
            if (memberInit.MemberBindings == null)
            {
                throw new StonException("A complex value member initialization cannot have a non-existing member bindings collection.");
            }

            writer.Write('{');

            WriteSequence(
                writer,
                memberInit.MemberBindings,
                (w, mb) => { WriteBindingKey(w, mb.Key); w.Write(':'); WriteEntity(w, mb.Value); }
                );

            writer.Write('}');
        }
Exemplo n.º 13
0
        // writes a union type
        private void WriteType(StonTokenWriter writer, IStonUnionType type)
        {
            bool first = true;

            foreach (var permittedType in type.PermittedTypes)
            {
                if (!first)
                {
                    writer.Write('|');
                }
                if (permittedType is IStonUnionType)
                {
                    writer.Write('<');
                }
                WriteType(writer, permittedType);
                if (permittedType is IStonUnionType)
                {
                    writer.Write('>');
                }
                first = false;
            }
        }
Exemplo n.º 14
0
        // writes a sequence of elements, using a given element writing method
        private void WriteSequence <TElement>(StonTokenWriter writer, IEnumerable <TElement> elements, Action <StonTokenWriter, TElement> elementWriting)
        {
            bool first = true;

            foreach (var element in elements)
            {
                if (!first)
                {
                    writer.Write(',');
                }
                elementWriting(writer, element);
                first = false;
            }
        }
Exemplo n.º 15
0
        // writes a simple value, depending on its data type
        private void WriteSimpleValue(StonTokenWriter writer, IStonSimpleValue value)
        {
            if (value == null)
            {
                throw new StonException("A simple-valued entity cannot have a non-existing value.");
            }
            switch (value.DataType)
            {
            case StonDataType.Null:
                writer.Write("null");
                break;

            case StonDataType.Number:
                writer.WriteCanonicalNumberLiteral(value.Content);
                break;

            case StonDataType.Binary:
                writer.WriteBinaryLiteral(value.Content);
                break;

            case StonDataType.Named:
                writer.Write(value.Content);
                break;

            case StonDataType.Text:
                writer.WriteStringLiteral(value.Content, '"');
                break;

            case StonDataType.Code:
                writer.WriteStringLiteral(value.Content, '`');
                break;

            default:
                throw new StonException($"Unknown simple value data type: { (int)value.DataType }.");
            }
        }
Exemplo n.º 16
0
 // writes a collection element access path segment
 private void WritePathSegment(StonTokenWriter writer, IStonCollectionElementPathSegment segment)
 {
     writer.Write("[#");
     WriteEntity(writer, segment.ElementIndex);
     writer.Write(']');
 }
Exemplo n.º 17
0
 // writes an ancestor access path segment
 private void WritePathSegment(StonTokenWriter writer, IStonAncestorPathSegment segment)
 {
     writer.Write('.');
     writer.Write(new string('^', segment.AncestorOrder));
 }