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Resolving Symbolic References in a CodeDOM (Part 7)

, 2 Dec 2012
Resolving symbolic references in a CodeDOM.
Nova.0.6.exe.zip
Mono.Cecil.dll
Nova.CLI.exe
Nova.CodeDOM.dll
Nova.Examples.exe
Nova.Studio.exe
Nova.Test.exe
Nova.UI.dll
Nova.0.6.zip
Nova.CLI
Properties
Nova.CodeDOM
CodeDOM
Annotations
Base
Comments
Base
DocComments
CodeRef
Base
List
Name
Base
Other
Simple
CompilerDirectives
Base
Conditionals
Base
Messages
Base
Pragmas
Base
Symbols
Base
Base
Interfaces
Expressions
AnonymousMethods
Base
Operators
Base
Binary
Arithmetic
Base
Assignment
Base
Bitwise
Base
Conditional
Relational
Base
Shift
Base
Other
Base
Unary
Base
Other
References
Base
GotoTargets
Base
Methods
Namespaces
Other
Properties
Types
Base
Variables
Base
Projects
Assemblies
Namespaces
References
Base
Statements
Base
Conditionals
Base
Exceptions
Generics
Constraints
Base
Iterators
Base
Jumps
Loops
Methods
OperatorDecls
Miscellaneous
Namespaces
Properties
Base
Events
Types
Base
Variables
Base
Parsing
Base
Properties
Rendering
Resolving
Utilities
Mono.Cecil
Reflection
Nova.Examples
Properties
Nova.Studio
Images
About.png
Configuration.png
EditCopy.png
EditCut.png
EditDelete.png
EditPaste.png
EditRedo.png
EditUndo.png
Error.png
Exit.png
FileNew.png
FileOpen.png
FileSave.png
FileSaveAll.png
FileSaveAs.png
Find.png
Help.png
Info.png
Logo.png
Options.png
Print.png
PrintPreview.png
Properties.png
Todo.png
Warning.png
Objects.ico
Properties
Settings.settings
Nova.Test
Properties
Nova.UI
CodeDOM
Annotations
Base
Comments
Base
DocComments
CodeRef
Base
List
Name
Base
Other
Simple
CompilerDirectives
Base
Conditionals
Base
Messages
Base
Pragmas
Base
Symbols
Base
Base
Expressions
AnonymousMethods
Base
Operators
Base
Binary
Arithmetic
Base
Assignment
Base
Bitwise
Base
Conditional
Relational
Base
Shift
Base
Other
Base
Unary
Base
Other
References
Base
GotoTargets
Base
Methods
Namespaces
Other
Properties
Types
Base
Variables
Base
Projects
Namespaces
References
Base
Statements
Base
Conditionals
Base
Exceptions
Generics
Constraints
Base
Iterators
Base
Jumps
Loops
Methods
OperatorDecls
Miscellaneous
Namespaces
Properties
Base
Events
Types
Base
Variables
Base
Properties
Resolving
Utilties
// The Nova Project by Ken Beckett.
// Copyright (C) 2007-2012 Inevitable Software, all rights reserved.
// Released under the Common Development and Distribution License, CDDL-1.0: http://opensource.org/licenses/cddl1.php

using Nova.Parsing;
using Nova.Rendering;

namespace Nova.CodeDOM
{
    /// <summary>
    /// Represents a stand-alone block of code restricted to a local scope (surrounded by braces).
    /// </summary>
    public class BlockDecl : BlockStatement
    {
        #region /* CONSTRUCTORS */

        /// <summary>
        /// Create a <see cref="BlockDecl"/>.
        /// </summary>
        public BlockDecl(CodeObject body)
            : base(body, false)
        { }

        /// <summary>
        /// Create a <see cref="BlockDecl"/>.
        /// </summary>
        public BlockDecl()
            : base(null, false)
        { }

        /// <summary>
        /// Create a <see cref="BlockDecl"/> with the specified <see cref="CodeObject"/>s in the body.
        /// </summary>
        public BlockDecl(params CodeObject[] codeObjects)
            : base(codeObjects)
        { }

        #endregion

        #region /* PROPERTIES */

        /// <summary>
        /// Always <c>false</c>.
        /// </summary>
        public override bool HasHeader
        {
            get { return false; }
        }

        #endregion

        #region /* METHODS */

        /// <summary>
        /// Attach an <see cref="Annotation"/> (<see cref="Comment"/>, <see cref="DocComment"/>, <see cref="Attribute"/>, <see cref="CompilerDirective"/>, or <see cref="Message"/>) to the <see cref="CodeObject"/>.
        /// </summary>
        /// <param name="annotation">The <see cref="Annotation"/>.</param>
        /// <param name="atFront">Inserts at the front if true, otherwise adds at the end.</param>
        public override void AttachAnnotation(Annotation annotation, bool atFront)
        {
            // Don't allow EOL comments on a BlockDecl since it has nothing to display them on - move
            // them to the child Block so that they can be displayed.
            if (annotation.IsEOL)
                Body.AttachAnnotation(annotation, atFront);
            else
                base.AttachAnnotation(annotation, atFront);
        }

        #endregion

        #region /* PARSING */

        internal static void AddParsePoints()
        {
            // Use a parse-priority of 300 (GenericMethodDecl uses 0, UnresolvedRef uses 100, PropertyDeclBase uses 200, Initializer uses 400)
            Parser.AddParsePoint(Block.ParseTokenStart, 300, Parse, typeof(IBlock));
        }

        /// <summary>
        /// Parse a <see cref="BlockDecl"/>.
        /// </summary>
        public static BlockDecl Parse(Parser parser, CodeObject parent, ParseFlags flags)
        {
            return new BlockDecl(parser, parent);
        }

        /// <summary>
        /// Parse a <see cref="BlockDecl"/>.
        /// </summary>
        public BlockDecl(Parser parser, CodeObject parent, params string[] terminators)
            : base(parser, parent)
        {
            new Block(out _body, parser, this, true, terminators);  // Parse the body
        }

        #endregion

        #region /* FORMATTING */

        /// <summary>
        /// True if the <see cref="Statement"/> has parens around its argument.
        /// </summary>
        public override bool HasArgumentParens
        {
            get { return false; }
        }

        /// <summary>
        /// Reformat the <see cref="Block"/> body.
        /// </summary>
        public override void ReformatBlock()
        {
            // BlockDecls must always have braces and start on a new line, and default to the ending
            // brace being on a new line without any preceeding blank lines.
            _body.HasBraces = true;
            _body.IsFirstOnLine = true;
            _body.SetNewLines(1);
        }

        #endregion

        #region /* RENDERING */

        public override void AsText(CodeWriter writer, RenderFlags flags)
        {
            if (flags.HasFlag(RenderFlags.Description))
                TypeRefBase.AsTextType(writer, GetType(), RenderFlags.None);
            else
                base.AsText(writer, flags);
        }

        protected override void AsTextStatement(CodeWriter writer, RenderFlags flags)
        {
            UpdateLineCol(writer, flags);
        }

        protected override void AsTextAfter(CodeWriter writer, RenderFlags flags)
        {
            base.AsTextAfter(writer, flags | RenderFlags.SuppressNewLine);
        }

        #endregion
    }
}

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License

This article, along with any associated source code and files, is licensed under The Common Development and Distribution License (CDDL)

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About the Author

KenBeckett
Software Developer (Senior)
United States United States
I've been writing software since the late 70's, currently focusing mainly on C#.NET. I also like to travel around the world, and I own a Chocolate Factory (sadly, none of my employees are oompa loompas).

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