Beispiel #1
0
 /// <summary>
 /// Constructor.
 /// </summary>
 /// <param name="program">Program</param>
 /// <param name="machineNode">MachineDeclarationNode</param>
 /// <param name="stateNode">StateDeclarationNode</param>
 /// <param name="isModel">Is a model</param>
 internal BlockSyntax(IPSharpProgram program, MachineDeclaration machineNode,
     StateDeclaration stateNode, bool isModel)
     : base(program, isModel)
 {
     this.Machine = machineNode;
     this.State = stateNode;
 }
Beispiel #2
0
 /// <summary>
 /// Initializes a new instance of the <see cref="BlockSyntax"/> class.
 /// </summary>
 internal BlockSyntax(IPSharpProgram program, MachineDeclaration machineNode,
                      StateDeclaration stateNode)
     : base(program)
 {
     this.Machine = machineNode;
     this.State   = stateNode;
 }
        /// <summary>
        /// Visits the syntax node.
        /// </summary>
        /// <param name="parentNode">Node</param>
        /// <param name="isStart">Is start state</param>
        /// <param name="accMod">Access modifier</param>
        internal void Visit(MachineDeclaration parentNode, bool isStart, AccessModifier accMod)
        {
            var node = new StateDeclaration(base.TokenStream.Program, parentNode,
                isStart, parentNode.IsModel);
            node.AccessModifier = accMod;
            node.StateKeyword = base.TokenStream.Peek();

            base.TokenStream.Index++;
            base.TokenStream.SkipWhiteSpaceAndCommentTokens();

            if (base.TokenStream.Done ||
                base.TokenStream.Peek().Type != TokenType.Identifier)
            {
                throw new ParsingException("Expected state identifier.",
                    new List<TokenType>
                {
                    TokenType.Identifier
                });
            }

            base.TokenStream.CurrentState = base.TokenStream.Peek().Text;
            base.TokenStream.Swap(new Token(base.TokenStream.Peek().TextUnit,
                TokenType.StateIdentifier));

            node.Identifier = base.TokenStream.Peek();

            base.TokenStream.Index++;
            base.TokenStream.SkipWhiteSpaceAndCommentTokens();

            if (base.TokenStream.Done ||
                base.TokenStream.Peek().Type != TokenType.LeftCurlyBracket)
            {
                throw new ParsingException("Expected \"{\".",
                    new List<TokenType>
                {
                    TokenType.LeftCurlyBracket
                });
            }

            base.TokenStream.Swap(new Token(base.TokenStream.Peek().TextUnit,
                TokenType.StateLeftCurlyBracket));

            node.LeftCurlyBracketToken = base.TokenStream.Peek();

            base.TokenStream.Index++;
            base.TokenStream.SkipWhiteSpaceAndCommentTokens();

            if (base.TokenStream.Program is PSharpProgram)
            {
                this.VisitNextPSharpIntraStateDeclaration(node);
            }
            else
            {
                this.VisitNextPIntraStateDeclaration(node);
            }

            parentNode.StateDeclarations.Add(node);
        }
Beispiel #4
0
 /// <summary>
 /// Initializes a new instance of the <see cref="EventDeclaration"/> class.
 /// </summary>
 internal EventDeclaration(IPSharpProgram program, MachineDeclaration machineNode, ModifierSet modSet)
     : base(program)
 {
     this.Machine            = machineNode;
     this.AccessModifier     = modSet.AccessModifier;
     this.GenericType        = new List <Token>();
     this.PayloadTypes       = new List <Token>();
     this.PayloadIdentifiers = new List <Token>();
 }
        /// <summary>
        /// Visits the syntax node.
        /// </summary>
        /// <param name="parentNode">Node</param>
        /// <param name="typeIdentifier">Type identifier</param>
        /// <param name="identifier">Identifier</param>
        /// <param name="accMod">Access modifier</param>
        /// <param name="inhMod">Inheritance modifier</param>
        /// <param name="isAsync">Is async</param>
        /// <param name="isPartial">Is partial</param>
        internal void Visit(MachineDeclaration parentNode, Token typeIdentifier, Token identifier,
            AccessModifier accMod, InheritanceModifier inhMod, bool isAsync, bool isPartial)
        {
            var node = new MethodDeclaration(base.TokenStream.Program, parentNode);
            node.AccessModifier = accMod;
            node.InheritanceModifier = inhMod;
            node.TypeIdentifier = typeIdentifier;
            node.Identifier = identifier;
            node.IsAsync = isAsync;
            node.IsPartial = isPartial;

            node.LeftParenthesisToken = base.TokenStream.Peek();

            base.TokenStream.Index++;
            base.TokenStream.SkipWhiteSpaceAndCommentTokens();

            while (!base.TokenStream.Done &&
                base.TokenStream.Peek().Type != TokenType.RightParenthesis)
            {
                base.TokenStream.Swap(new Token(base.TokenStream.Peek().TextUnit));

                node.Parameters.Add(base.TokenStream.Peek());

                base.TokenStream.Index++;
                base.TokenStream.SkipWhiteSpaceAndCommentTokens();
            }

            node.RightParenthesisToken = base.TokenStream.Peek();

            base.TokenStream.Index++;
            base.TokenStream.SkipWhiteSpaceAndCommentTokens();

            if (base.TokenStream.Done ||
                (base.TokenStream.Peek().Type != TokenType.LeftCurlyBracket &&
                base.TokenStream.Peek().Type != TokenType.Semicolon))
            {
                throw new ParsingException("Expected \"{\" or \";\".",
                    new List<TokenType>
                {
                    TokenType.LeftCurlyBracket,
                    TokenType.Semicolon
                });
            }

            if (base.TokenStream.Peek().Type == TokenType.LeftCurlyBracket)
            {
                var blockNode = new BlockSyntax(base.TokenStream.Program, parentNode, null);
                new BlockSyntaxVisitor(base.TokenStream).Visit(blockNode);
                node.StatementBlock = blockNode;
            }
            else if (base.TokenStream.Peek().Type == TokenType.Semicolon)
            {
                node.SemicolonToken = base.TokenStream.Peek();
            }

            parentNode.MethodDeclarations.Add(node);
        }
 /// <summary>
 /// Constructor.
 /// </summary>
 /// <param name="program">Program</param>
 /// <param name="machineNode">MachineDeclarationNode</param>
 /// <param name="groupNode">StateGroupDeclaration</param>
 internal StateGroupDeclaration(IPSharpProgram program, MachineDeclaration machineNode,
                                StateGroupDeclaration groupNode)
     : base(program)
 {
     this.Machine                = machineNode;
     this.Group                  = groupNode;
     this.StateDeclarations      = new List <StateDeclaration>();
     this.StateGroupDeclarations = new List <StateGroupDeclaration>();
 }
 /// <summary>
 /// Constructor.
 /// </summary>
 /// <param name="program">Program</param>
 /// <param name="machineNode">PMachineDeclarationNode</param>
 /// <param name="isStart">Is start state</param>
 /// <param name="isModel">Is a model</param>
 internal StateDeclaration(IPSharpProgram program, MachineDeclaration machineNode,
                           bool isStart, bool isModel)
     : base(program, isModel)
 {
     this.IsStart = isStart;
     this.Machine = machineNode;
     this.GotoStateTransitions     = new Dictionary <Token, Token>();
     this.PushStateTransitions     = new Dictionary <Token, Token>();
     this.ActionBindings           = new Dictionary <Token, Token>();
     this.TransitionsOnExitActions = new Dictionary <Token, BlockSyntax>();
     this.ActionHandlers           = new Dictionary <Token, BlockSyntax>();
     this.DeferredEvents           = new HashSet <Token>();
     this.IgnoredEvents            = new HashSet <Token>();
 }
Beispiel #8
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 /// <summary>
 /// Constructor.
 /// </summary>
 /// <param name="program">Program</param>
 /// <param name="machineNode">MachineDeclarationNode</param>
 /// <param name="groupNode">StateGroupDeclaration</param>
 /// <param name="isStart">Is start state</param>
 /// <param name="isHot">Is hot state</param>
 /// <param name="isCold">Is cold state</param>
 internal StateDeclaration(IPSharpProgram program, MachineDeclaration machineNode,
                           StateGroupDeclaration groupNode, bool isStart, bool isHot, bool isCold)
     : base(program)
 {
     this.Machine = machineNode;
     this.Group   = groupNode;
     this.IsStart = isStart;
     this.IsHot   = isHot;
     this.IsCold  = isCold;
     this.GotoStateTransitions          = new Dictionary <Token, List <Token> >();
     this.PushStateTransitions          = new Dictionary <Token, List <Token> >();
     this.ActionBindings                = new Dictionary <Token, Token>();
     this.TransitionsOnExitActions      = new Dictionary <Token, BlockSyntax>();
     this.ActionHandlers                = new Dictionary <Token, BlockSyntax>();
     this.DeferredEvents                = new HashSet <Token>();
     this.IgnoredEvents                 = new HashSet <Token>();
     this.ResolvedEventIdentifierTokens = new Dictionary <Token, Tuple <List <Token>, int> >();
     this.RewrittenMethods              = new HashSet <QualifiedMethod>();
 }
Beispiel #9
0
 /// <summary>
 /// Constructor.
 /// </summary>
 /// <param name="program">Program</param>
 /// <param name="machineNode">MachineDeclarationNode</param>
 /// <param name="groupNode">StateGroupDeclaration</param>
 /// <param name="modSet">Modifier set</param>
 internal StateDeclaration(IPSharpProgram program, MachineDeclaration machineNode,
                           StateGroupDeclaration groupNode, ModifierSet modSet)
     : base(program)
 {
     this.Machine                       = machineNode;
     this.Group                         = groupNode;
     this.AccessModifier                = modSet.AccessModifier;
     this.IsStart                       = modSet.IsStart;
     this.IsHot                         = modSet.IsHot;
     this.IsCold                        = modSet.IsCold;
     this.GotoStateTransitions          = new Dictionary <Token, List <Token> >();
     this.PushStateTransitions          = new Dictionary <Token, List <Token> >();
     this.ActionBindings                = new Dictionary <Token, Token>();
     this.TransitionsOnExitActions      = new Dictionary <Token, AnonymousActionHandler>();
     this.ActionHandlers                = new Dictionary <Token, AnonymousActionHandler>();
     this.DeferredEvents                = new HashSet <Token>();
     this.IgnoredEvents                 = new HashSet <Token>();
     this.ResolvedEventIdentifierTokens = new Dictionary <Token, Tuple <List <Token>, int> >();
     this.RewrittenMethods              = new HashSet <QualifiedMethod>();
 }
Beispiel #10
0
 /// <summary>
 /// Constructor.
 /// </summary>
 /// <param name="program">Program</param>
 /// <param name="machineNode">MachineDeclarationNode</param>
 /// <param name="groupNode">StateGroupDeclaration</param>
 /// <param name="modSet">Modifier set</param>
 internal StateDeclaration(IPSharpProgram program, MachineDeclaration machineNode,
                           StateGroupDeclaration groupNode, ModifierSet modSet)
     : base(program)
 {
     this.Machine                       = machineNode;
     this.Group                         = groupNode;
     this.AccessModifier                = modSet.AccessModifier;
     this.IsStart                       = modSet.IsStart;
     this.IsHot                         = modSet.IsHot;
     this.IsCold                        = modSet.IsCold;
     this.IsAbstract                    = modSet.InheritanceModifier == InheritanceModifier.Abstract;
     this.GotoStateTransitions          = new Dictionary <Token, List <Token> >();
     this.PushStateTransitions          = new Dictionary <Token, List <Token> >();
     this.ActionBindings                = new Dictionary <Token, Token>();
     this.TransitionsOnExitActions      = new Dictionary <Token, AnonymousActionHandler>();
     this.ActionHandlers                = new Dictionary <Token, AnonymousActionHandler>();
     this.DeferredEvents                = new HashSet <Token>();
     this.IgnoredEvents                 = new HashSet <Token>();
     this.ResolvedEventIdentifierTokens = new Dictionary <Token, Tuple <List <Token>, int> >();
     this.RewrittenMethods              = new HashSet <QualifiedMethod>();
     this.isNameofSupported             = base.Program.GetProject().CompilationContext.Configuration.IsRewriteCSharpVersion(6, 0);
 }
        /// <summary>
        /// Visits the syntax node.
        /// </summary>
        /// <param name="parentNode">Node</param>
        /// <param name="isModel">Is model</param>
        internal void Visit(MachineDeclaration parentNode, bool isModel)
        {
            var node = new PFunctionDeclaration(base.TokenStream.Program,
                parentNode.IsModel || isModel);

            if (isModel)
            {
                base.TokenStream.Index++;
                base.TokenStream.SkipWhiteSpaceAndCommentTokens();

                if (base.TokenStream.Done ||
                base.TokenStream.Peek().Type != TokenType.FunDecl)
                {
                    throw new ParsingException("Expected function declaration.",
                        new List<TokenType>
                    {
                        TokenType.FunDecl
                    });
                }
            }

            node.FunctionKeyword = base.TokenStream.Peek();

            base.TokenStream.Index++;
            base.TokenStream.SkipWhiteSpaceAndCommentTokens();

            if (base.TokenStream.Done ||
                base.TokenStream.Peek().Type != TokenType.Identifier)
            {
                throw new ParsingException("Expected identifier.",
                    new List<TokenType>
                {
                    TokenType.Identifier
                });
            }

            node.Identifier = base.TokenStream.Peek();

            base.TokenStream.Index++;
            base.TokenStream.SkipWhiteSpaceAndCommentTokens();

            if (base.TokenStream.Done ||
                base.TokenStream.Peek().Type != TokenType.LeftParenthesis)
            {
                throw new ParsingException("Expected \"(\".",
                    new List<TokenType>
                {
                    TokenType.LeftParenthesis
                });
            }

            node.LeftParenthesisToken = base.TokenStream.Peek();

            base.TokenStream.Index++;
            base.TokenStream.SkipWhiteSpaceAndCommentTokens();

            bool expectsColon = false;
            bool expectsType = false;
            bool expectsComma = false;
            while (!base.TokenStream.Done &&
                base.TokenStream.Peek().Type != TokenType.RightParenthesis)
            {
                if ((!expectsColon && !expectsComma && !expectsType &&
                    base.TokenStream.Peek().Type != TokenType.Identifier) ||
                    (!expectsColon && !expectsComma && expectsType &&
                    base.TokenStream.Peek().Type != TokenType.MachineDecl &&
                    base.TokenStream.Peek().Type != TokenType.Int &&
                    base.TokenStream.Peek().Type != TokenType.Bool &&
                    base.TokenStream.Peek().Type != TokenType.Seq &&
                    base.TokenStream.Peek().Type != TokenType.Map &&
                    base.TokenStream.Peek().Type != TokenType.LeftParenthesis) ||
                    (expectsColon && base.TokenStream.Peek().Type != TokenType.Colon) ||
                    (expectsComma && base.TokenStream.Peek().Type != TokenType.Comma))
                {
                    break;
                }

                if (!expectsType &&
                    base.TokenStream.Peek().Type == TokenType.Identifier)
                {
                    node.Parameters.Add(base.TokenStream.Peek());

                    base.TokenStream.Index++;
                    base.TokenStream.SkipWhiteSpaceAndCommentTokens();

                    expectsColon = true;
                }
                else if (base.TokenStream.Peek().Type == TokenType.Colon)
                {
                    base.TokenStream.Index++;
                    base.TokenStream.SkipWhiteSpaceAndCommentTokens();

                    expectsColon = false;
                    expectsType = true;
                }
                else if (expectsType &&
                    (base.TokenStream.Peek().Type == TokenType.MachineDecl ||
                    base.TokenStream.Peek().Type == TokenType.Int ||
                    base.TokenStream.Peek().Type == TokenType.Bool ||
                    base.TokenStream.Peek().Type == TokenType.Seq ||
                    base.TokenStream.Peek().Type == TokenType.Map ||
                    base.TokenStream.Peek().Type == TokenType.LeftParenthesis))
                {
                    PBaseType type = null;
                    new TypeIdentifierVisitor(base.TokenStream).Visit(ref type);
                    node.ParameterTypes.Add(type);

                    expectsType = false;
                    expectsComma = true;
                }
                else if (base.TokenStream.Peek().Type == TokenType.Comma)
                {
                    base.TokenStream.Index++;
                    base.TokenStream.SkipWhiteSpaceAndCommentTokens();

                    expectsComma = false;
                }
            }

            node.RightParenthesisToken = base.TokenStream.Peek();

            base.TokenStream.Index++;
            base.TokenStream.SkipWhiteSpaceAndCommentTokens();

            if (base.TokenStream.Done ||
                (base.TokenStream.Peek().Type != TokenType.Colon &&
                base.TokenStream.Peek().Type != TokenType.LeftSquareBracket &&
                base.TokenStream.Peek().Type != TokenType.LeftCurlyBracket))
            {
                throw new ParsingException("Expected \":\" or \"{\".",
                    new List<TokenType>
                {
                    TokenType.Colon,
                    TokenType.LeftCurlyBracket
                });
            }

            if (base.TokenStream.Peek().Type == TokenType.Colon)
            {
                node.ColonToken = base.TokenStream.Peek();

                base.TokenStream.Index++;
                base.TokenStream.SkipWhiteSpaceAndCommentTokens();

                PBaseType type = null;
                new TypeIdentifierVisitor(base.TokenStream).Visit(ref type);
                node.ReturnType = type;
            }

            if (base.TokenStream.Peek().Type == TokenType.LeftSquareBracket)
            {
                while (!base.TokenStream.Done &&
                    base.TokenStream.Peek().Type != TokenType.LeftCurlyBracket)
                {
                    base.TokenStream.Index++;
                    base.TokenStream.SkipWhiteSpaceAndCommentTokens();
                }
            }

            if (base.TokenStream.Done ||
                base.TokenStream.Peek().Type != TokenType.LeftCurlyBracket)
            {
                throw new ParsingException("Expected \"{\".",
                    new List<TokenType>
                {
                    TokenType.LeftCurlyBracket
                });
            }

            var blockNode = new BlockSyntax(base.TokenStream.Program, parentNode,
                null, node.IsModel);
            new BlockSyntaxVisitor(base.TokenStream).Visit(blockNode);
            node.StatementBlock = blockNode;

            parentNode.FunctionDeclarations.Add(node);
        }
Beispiel #12
0
 /// <summary>
 /// Constructor
 /// </summary>
 /// <param name="program">Program</param>
 /// <param name="machineNode">MachineDeclarationNode</param>
 internal FieldDeclaration(IPSharpProgram program, MachineDeclaration machineNode)
     : base(program)
 {
     this.Machine = machineNode;
 }
Beispiel #13
0
 /// <summary>
 /// Constructor
 /// </summary>
 /// <param name="program">Program</param>
 /// <param name="machineNode">MachineDeclarationNode</param>
 /// <param name="isModel">Is a model</param>
 internal FieldDeclaration(IPSharpProgram program, MachineDeclaration machineNode, bool isModel)
     : base(program, isModel)
 {
     this.Machine = machineNode;
 }
Beispiel #14
0
        /// <summary>
        /// Tries to return the parent machine identifier, if any.
        /// </summary>
        /// <param name="node">SyntaxNode</param>
        /// <param name="machine">MachineDeclaration</param>
        /// <returns>Boolean</returns>
        protected bool TryGetParentMachine(SyntaxNode node, out MachineDeclaration machine)
        {
            var result = false;
            machine = null;

            var ancestors = node.Ancestors().OfType<ClassDeclarationSyntax>().ToList();
            foreach (var ancestor in ancestors)
            {
                machine = this.Project.PSharpPrograms.
                    SelectMany(p => p.NamespaceDeclarations).
                    SelectMany(n => n.MachineDeclarations).
                    FirstOrDefault(s => s.Identifier.TextUnit.Text.Equals(ancestor.Identifier.ValueText));

                if (machine != null)
                {
                    result = true;
                    break;
                }
            }

            return result;
        }
Beispiel #15
0
 /// <summary>
 /// Constructor
 /// </summary>
 /// <param name="program">Program</param>
 /// <param name="machineNode">MachineDeclarationNode</param>
 internal FieldDeclaration(IPSharpProgram program, MachineDeclaration machineNode)
     : base(program)
 {
     this.Machine = machineNode;
 }
Beispiel #16
0
 /// <summary>
 /// Constructor.
 /// </summary>
 /// <param name="program">Program</param>
 /// <param name="machineNode">MachineDeclarationNode</param>
 internal MethodDeclaration(IPSharpProgram program, MachineDeclaration machineNode)
     : base(program)
 {
     this.Parameters = new List <Token>();
     this.Machine    = machineNode;
 }
Beispiel #17
0
 /// <summary>
 /// Constructor
 /// </summary>
 /// <param name="program">Program</param>
 /// <param name="machineNode">MachineDeclarationNode</param>
 /// <param name="isModel">Is a model</param>
 internal FieldDeclaration(IPSharpProgram program, MachineDeclaration machineNode, bool isModel)
     : base(program, isModel)
 {
     this.Machine = machineNode;
 }
        /// <summary>
        /// Visits the syntax node.
        /// </summary>
        /// <param name="parentNode">Node</param>
        /// <param name="accMod">Access modifier</param>
        /// <param name="inhMod">Inheritance modifier</param>
        /// <param name="isAsync">Is async</param>
        /// <param name="isPartial">Is partial</param>
        internal void Visit(MachineDeclaration parentNode, AccessModifier accMod,
            InheritanceModifier inhMod, bool isAsync, bool isPartial)
        {
            TextUnit textUnit = null;
            new TypeIdentifierVisitor(base.TokenStream).Visit(ref textUnit);
            var typeIdentifier = new Token(textUnit, TokenType.TypeIdentifier);

            if (base.TokenStream.Done ||
                base.TokenStream.Peek().Type != TokenType.Identifier)
            {
                throw new ParsingException("Expected field or method identifier.",
                    new List<TokenType>
                {
                    TokenType.Identifier
                });
            }

            var identifierToken = base.TokenStream.Peek();

            base.TokenStream.Index++;
            base.TokenStream.SkipWhiteSpaceAndCommentTokens();

            if (base.TokenStream.Done ||
                    (base.TokenStream.Peek().Type != TokenType.LeftParenthesis &&
                    base.TokenStream.Peek().Type != TokenType.Semicolon))
            {
                throw new ParsingException("Expected \"(\" or \";\".",
                    new List<TokenType>
                {
                    TokenType.LeftParenthesis,
                    TokenType.Semicolon
                });
            }

            if (base.TokenStream.Peek().Type == TokenType.LeftParenthesis)
            {
                new MethodDeclarationVisitor(base.TokenStream).Visit(parentNode, typeIdentifier,
                    identifierToken, accMod, inhMod, isAsync, isPartial);
            }
            else if (base.TokenStream.Peek().Type == TokenType.Semicolon)
            {
                if (inhMod == InheritanceModifier.Abstract)
                {
                    throw new ParsingException("A field cannot be abstract.",
                        new List<TokenType>());
                }
                else if (inhMod == InheritanceModifier.Virtual)
                {
                    throw new ParsingException("A field cannot be virtual.",
                        new List<TokenType>());
                }
                else if (inhMod == InheritanceModifier.Override)
                {
                    throw new ParsingException("A field cannot be overriden.",
                        new List<TokenType>());
                }

                if (isAsync)
                {
                    throw new ParsingException("A field cannot be async.",
                        new List<TokenType>());
                }

                if (isPartial)
                {
                    throw new ParsingException("A field cannot be partial.",
                        new List<TokenType>());
                }

                var node = new FieldDeclaration(base.TokenStream.Program, parentNode);
                node.AccessModifier = accMod;
                node.TypeIdentifier = typeIdentifier;
                node.Identifier = identifierToken;
                node.SemicolonToken = base.TokenStream.Peek();

                parentNode.FieldDeclarations.Add(node);
            }
        }
Beispiel #19
0
 /// <summary>
 /// Constructor.
 /// </summary>
 /// <param name="program">Program</param>
 /// <param name="machineNode">PMachineDeclarationNode</param>
 /// <param name="isStart">Is start state</param>
 /// <param name="isModel">Is a model</param>
 internal StateDeclaration(IPSharpProgram program, MachineDeclaration machineNode,
     bool isStart, bool isModel)
     : base(program, isModel)
 {
     this.IsStart = isStart;
     this.Machine = machineNode;
     this.GotoStateTransitions = new Dictionary<Token, Token>();
     this.PushStateTransitions = new Dictionary<Token, Token>();
     this.ActionBindings = new Dictionary<Token, Token>();
     this.TransitionsOnExitActions = new Dictionary<Token, BlockSyntax>();
     this.ActionHandlers = new Dictionary<Token, BlockSyntax>();
     this.DeferredEvents = new HashSet<Token>();
     this.IgnoredEvents = new HashSet<Token>();
 }
        /// <summary>
        /// Visits the next intra-machine declration.
        /// </summary>
        /// <param name="node">Node</param>
        private void VisitNextPSharpIntraMachineDeclaration(MachineDeclaration node)
        {
            bool fixpoint = false;
            while (!fixpoint)
            {
                var token = base.TokenStream.Peek();
                switch (token.Type)
                {
                    case TokenType.WhiteSpace:
                    case TokenType.Comment:
                    case TokenType.NewLine:
                        base.TokenStream.Index++;
                        break;

                    case TokenType.CommentLine:
                    case TokenType.Region:
                        base.TokenStream.SkipWhiteSpaceAndCommentTokens();
                        break;

                    case TokenType.CommentStart:
                        base.TokenStream.SkipWhiteSpaceAndCommentTokens();
                        break;

                    case TokenType.StartState:
                    case TokenType.HotState:
                    case TokenType.ColdState:
                    case TokenType.StateDecl:
                    case TokenType.StateGroupDecl:
                    case TokenType.Void:
                    case TokenType.MachineDecl:
                    case TokenType.Object:
                    case TokenType.String:
                    case TokenType.Sbyte:
                    case TokenType.Byte:
                    case TokenType.Short:
                    case TokenType.Ushort:
                    case TokenType.Int:
                    case TokenType.Uint:
                    case TokenType.Long:
                    case TokenType.Ulong:
                    case TokenType.Char:
                    case TokenType.Bool:
                    case TokenType.Decimal:
                    case TokenType.Float:
                    case TokenType.Double:
                    case TokenType.Identifier:
                    case TokenType.Private:
                    case TokenType.Protected:
                    case TokenType.Internal:
                    case TokenType.Public:
                    case TokenType.Async:
                    case TokenType.Partial:
                        this.VisitMachineLevelDeclaration(node);
                        base.TokenStream.Index++;
                        break;

                    case TokenType.LeftSquareBracket:
                        base.TokenStream.Index++;
                        base.TokenStream.SkipWhiteSpaceAndCommentTokens();
                        new AttributeListVisitor(base.TokenStream).Visit();
                        base.TokenStream.Index++;
                        break;

                    case TokenType.RightCurlyBracket:
                        base.TokenStream.Swap(new Token(base.TokenStream.Peek().TextUnit,
                            TokenType.MachineRightCurlyBracket));
                        node.RightCurlyBracketToken = base.TokenStream.Peek();
                        fixpoint = true;
                        break;

                    default:
                        throw new ParsingException("Unexpected token '" + base.TokenStream.Peek().TextUnit.Text + "'.",
                            new List<TokenType>());
                }

                if (base.TokenStream.Done)
                {
                    throw new ParsingException("Expected \"}\".",
                        new List<TokenType>
                    {
                            TokenType.Private,
                            TokenType.Protected,
                            TokenType.StartState,
                            TokenType.HotState,
                            TokenType.ColdState,
                            TokenType.StateDecl,
                            TokenType.StateGroupDecl,
                            TokenType.LeftSquareBracket,
                            TokenType.RightCurlyBracket
                    });
                }
            }
        }
Beispiel #21
0
        /// <summary>
        /// Constructor
        /// </summary>
        /// <param name="program">Program</param>
        /// <param name="machineNode">PMachineDeclarationNode</param>
        /// <param name="isModel">Is a model</param>
        internal PFieldDeclaration(IPSharpProgram program, MachineDeclaration machineNode,
            bool isModel)
            : base(program, machineNode, isModel)
        {

        }
Beispiel #22
0
 /// <summary>
 /// Constructor.
 /// </summary>
 /// <param name="program">Program</param>
 /// <param name="machineNode">MachineDeclarationNode</param>
 /// <param name="groupNode">StateGroupDeclaration</param>
 /// <param name="isStart">Is start state</param>
 /// <param name="isHot">Is hot state</param>
 /// <param name="isCold">Is cold state</param>
 internal StateDeclaration(IPSharpProgram program, MachineDeclaration machineNode,
     StateGroupDeclaration groupNode, bool isStart, bool isHot, bool isCold)
     : base(program)
 {
     this.Machine = machineNode;
     this.Group = groupNode;
     this.IsStart = isStart;
     this.IsHot = isHot;
     this.IsCold = isCold;
     this.GotoStateTransitions = new Dictionary<Token, List<Token>>();
     this.PushStateTransitions = new Dictionary<Token, List<Token>>();
     this.ActionBindings = new Dictionary<Token, Token>();
     this.TransitionsOnExitActions = new Dictionary<Token, BlockSyntax>();
     this.ActionHandlers = new Dictionary<Token, BlockSyntax>();
     this.DeferredEvents = new HashSet<Token>();
     this.IgnoredEvents = new HashSet<Token>();
     this.ResolvedEventIdentifierTokens = new Dictionary<Token, Tuple<List<Token>, int>>();
     this.RewrittenMethods = new HashSet<QualifiedMethod>();
 }
        /// <summary>
        /// Visits the syntax node.
        /// </summary>
        /// <param name="parentNode">Containing machine</param>
        /// <param name="groupNode">Containing group</param>
        /// <param name="accMod">Access modifier</param>
        internal void Visit(MachineDeclaration parentNode, StateGroupDeclaration groupNode, AccessModifier accMod)
        {
            var node = new StateGroupDeclaration(base.TokenStream.Program, parentNode, groupNode);
            node.AccessModifier = accMod;
            node.StateGroupKeyword = base.TokenStream.Peek();

            base.TokenStream.Index++;
            base.TokenStream.SkipWhiteSpaceAndCommentTokens();

            if (base.TokenStream.Done ||
                base.TokenStream.Peek().Type != TokenType.Identifier)
            {
                throw new ParsingException("Expected state group identifier.",
                    new List<TokenType>
                {
                    TokenType.Identifier
                });
            }

            base.TokenStream.Swap(new Token(base.TokenStream.Peek().TextUnit,
                TokenType.StateGroupIdentifier));

            node.Identifier = base.TokenStream.Peek();

            base.TokenStream.Index++;
            base.TokenStream.SkipWhiteSpaceAndCommentTokens();

            if (base.TokenStream.Done ||
                base.TokenStream.Peek().Type != TokenType.LeftCurlyBracket)
            {
                throw new ParsingException("Expected \"{\".",
                    new List<TokenType>
                {
                    TokenType.LeftCurlyBracket
                });
            }

            base.TokenStream.Swap(new Token(base.TokenStream.Peek().TextUnit,
                TokenType.StateGroupLeftCurlyBracket));

            node.LeftCurlyBracketToken = base.TokenStream.Peek();

            base.TokenStream.Index++;
            base.TokenStream.SkipWhiteSpaceAndCommentTokens();

            this.VisitNextPSharpIntraGroupDeclaration(node);

            if (groupNode == null)
            {
                parentNode.StateGroupDeclarations.Add(node);
            }
            else
            {
                groupNode.StateGroupDeclarations.Add(node);
            }

            var stateDeclarations = node.GetAllStateDeclarations();
            if (stateDeclarations.Count == 0)
            {
                throw new ParsingException("A state group must declare at least one state.",
                    new List<TokenType>());
            }
        }
        /// <summary>
        /// Visits a machine level declaration.
        /// </summary>
        /// <param name="parentNode">Node</param>
        private void VisitMachineLevelDeclaration(MachineDeclaration parentNode)
        {
            AccessModifier am = AccessModifier.None;
            InheritanceModifier im = InheritanceModifier.None;
            bool isStart = false;
            bool isHot = false;
            bool isCold = false;
            bool isAsync = false;
            bool isPartial = false;

            while (!base.TokenStream.Done &&
                base.TokenStream.Peek().Type != TokenType.StateDecl &&
                base.TokenStream.Peek().Type != TokenType.StateGroupDecl &&
                base.TokenStream.Peek().Type != TokenType.MachineDecl &&
                base.TokenStream.Peek().Type != TokenType.Void &&
                base.TokenStream.Peek().Type != TokenType.Object &&
                base.TokenStream.Peek().Type != TokenType.String &&
                base.TokenStream.Peek().Type != TokenType.Sbyte &&
                base.TokenStream.Peek().Type != TokenType.Byte &&
                base.TokenStream.Peek().Type != TokenType.Short &&
                base.TokenStream.Peek().Type != TokenType.Ushort &&
                base.TokenStream.Peek().Type != TokenType.Int &&
                base.TokenStream.Peek().Type != TokenType.Uint &&
                base.TokenStream.Peek().Type != TokenType.Long &&
                base.TokenStream.Peek().Type != TokenType.Ulong &&
                base.TokenStream.Peek().Type != TokenType.Char &&
                base.TokenStream.Peek().Type != TokenType.Bool &&
                base.TokenStream.Peek().Type != TokenType.Decimal &&
                base.TokenStream.Peek().Type != TokenType.Float &&
                base.TokenStream.Peek().Type != TokenType.Double &&
                base.TokenStream.Peek().Type != TokenType.Identifier)
            {
                if (am != AccessModifier.None &&
                    (base.TokenStream.Peek().Type == TokenType.Public ||
                    base.TokenStream.Peek().Type == TokenType.Private ||
                    base.TokenStream.Peek().Type == TokenType.Protected ||
                    base.TokenStream.Peek().Type == TokenType.Internal))
                {
                    throw new ParsingException("More than one protection modifier.",
                        new List<TokenType>());
                }
                else if (im != InheritanceModifier.None &&
                    base.TokenStream.Peek().Type == TokenType.Abstract)
                {
                    throw new ParsingException("Duplicate abstract modifier.",
                        new List<TokenType>());
                }
                else if (isStart &&
                    base.TokenStream.Peek().Type == TokenType.StartState)
                {
                    throw new ParsingException("Duplicate start state modifier.",
                        new List<TokenType>());
                }
                else if (isHot &&
                    base.TokenStream.Peek().Type == TokenType.HotState)
                {
                    throw new ParsingException("Duplicate hot state modifier.",
                        new List<TokenType>());
                }
                else if (isCold &&
                    base.TokenStream.Peek().Type == TokenType.ColdState)
                {
                    throw new ParsingException("Duplicate cold state modifier.",
                        new List<TokenType>());
                }
                else if ((isCold &&
                    base.TokenStream.Peek().Type == TokenType.HotState) ||
                    (isHot &&
                    base.TokenStream.Peek().Type == TokenType.ColdState))
                {
                    throw new ParsingException("State cannot be both hot and cold.",
                        new List<TokenType>());
                }
                else if (isAsync &&
                    base.TokenStream.Peek().Type == TokenType.Async)
                {
                    throw new ParsingException("Duplicate async method modifier.",
                        new List<TokenType>());
                }
                else if (isPartial &&
                    base.TokenStream.Peek().Type == TokenType.Partial)
                {
                    throw new ParsingException("Duplicate partial method modifier.",
                        new List<TokenType>());
                }

                if (base.TokenStream.Peek().Type == TokenType.Public)
                {
                    am = AccessModifier.Public;
                }
                else if (base.TokenStream.Peek().Type == TokenType.Private)
                {
                    am = AccessModifier.Private;
                }
                else if (base.TokenStream.Peek().Type == TokenType.Protected)
                {
                    am = AccessModifier.Protected;
                }
                else if (base.TokenStream.Peek().Type == TokenType.Internal)
                {
                    am = AccessModifier.Internal;
                }
                else if (base.TokenStream.Peek().Type == TokenType.Abstract)
                {
                    im = InheritanceModifier.Abstract;
                }
                else if (base.TokenStream.Peek().Type == TokenType.Virtual)
                {
                    im = InheritanceModifier.Virtual;
                }
                else if (base.TokenStream.Peek().Type == TokenType.Override)
                {
                    im = InheritanceModifier.Override;
                }
                else if (base.TokenStream.Peek().Type == TokenType.StartState)
                {
                    isStart = true;
                }
                else if (base.TokenStream.Peek().Type == TokenType.HotState)
                {
                    isHot = true;
                }
                else if (base.TokenStream.Peek().Type == TokenType.ColdState)
                {
                    isCold = true;
                }
                else if (base.TokenStream.Peek().Type == TokenType.Async)
                {
                    isAsync = true;
                }
                else if (base.TokenStream.Peek().Type == TokenType.Partial)
                {
                    isPartial = true;
                }

                base.TokenStream.Index++;
                base.TokenStream.SkipWhiteSpaceAndCommentTokens();
            }

            if (base.TokenStream.Done ||
                (base.TokenStream.Peek().Type != TokenType.StateDecl &&
                base.TokenStream.Peek().Type != TokenType.StateGroupDecl &&
                base.TokenStream.Peek().Type != TokenType.MachineDecl &&
                base.TokenStream.Peek().Type != TokenType.Void &&
                base.TokenStream.Peek().Type != TokenType.Object &&
                base.TokenStream.Peek().Type != TokenType.String &&
                base.TokenStream.Peek().Type != TokenType.Sbyte &&
                base.TokenStream.Peek().Type != TokenType.Byte &&
                base.TokenStream.Peek().Type != TokenType.Short &&
                base.TokenStream.Peek().Type != TokenType.Ushort &&
                base.TokenStream.Peek().Type != TokenType.Int &&
                base.TokenStream.Peek().Type != TokenType.Uint &&
                base.TokenStream.Peek().Type != TokenType.Long &&
                base.TokenStream.Peek().Type != TokenType.Ulong &&
                base.TokenStream.Peek().Type != TokenType.Char &&
                base.TokenStream.Peek().Type != TokenType.Bool &&
                base.TokenStream.Peek().Type != TokenType.Decimal &&
                base.TokenStream.Peek().Type != TokenType.Float &&
                base.TokenStream.Peek().Type != TokenType.Double &&
                base.TokenStream.Peek().Type != TokenType.Identifier))
            {
                throw new ParsingException("Expected state, group or method declaration.",
                    new List<TokenType>
                {
                    TokenType.StateDecl,
                    TokenType.StateGroupDecl,
                    TokenType.MachineDecl,
                    TokenType.Void,
                    TokenType.Object,
                    TokenType.String,
                    TokenType.Sbyte,
                    TokenType.Byte,
                    TokenType.Short,
                    TokenType.Ushort,
                    TokenType.Int,
                    TokenType.Uint,
                    TokenType.Long,
                    TokenType.Ulong,
                    TokenType.Char,
                    TokenType.Bool,
                    TokenType.Decimal,
                    TokenType.Float,
                    TokenType.Double,
                    TokenType.Identifier
                });
            }

            if (base.TokenStream.Peek().Type == TokenType.StateDecl)
            {
                if (am == AccessModifier.Public)
                {
                    throw new ParsingException("A state cannot be public.",
                        new List<TokenType>());
                }
                else if (am == AccessModifier.Internal)
                {
                    throw new ParsingException("A state cannot be internal.",
                        new List<TokenType>());
                }

                if (im == InheritanceModifier.Abstract)
                {
                    throw new ParsingException("A state cannot be abstract.",
                        new List<TokenType>());
                }
                else if (im == InheritanceModifier.Virtual)
                {
                    throw new ParsingException("A state cannot be virtual.",
                        new List<TokenType>());
                }
                else if (im == InheritanceModifier.Override)
                {
                    throw new ParsingException("A state cannot be overriden.",
                        new List<TokenType>());
                }

                if (isAsync)
                {
                    throw new ParsingException("A state cannot be async.",
                        new List<TokenType>());
                }

                if (isPartial)
                {
                    throw new ParsingException("A state cannot be partial.",
                        new List<TokenType>());
                }

                new StateDeclarationVisitor(base.TokenStream).Visit(parentNode, null, isStart, isHot, isCold, am);
            }
            else if (base.TokenStream.Peek().Type == TokenType.StateGroupDecl)
            {
                if (am == AccessModifier.Public)
                {
                    throw new ParsingException("A state group cannot be public.",
                        new List<TokenType>());
                }
                else if (am == AccessModifier.Internal)
                {
                    throw new ParsingException("A state group cannot be internal.",
                        new List<TokenType>());
                }

                if (im == InheritanceModifier.Abstract)
                {
                    throw new ParsingException("A state group cannot be abstract.",
                        new List<TokenType>());
                }
                else if (im == InheritanceModifier.Virtual)
                {
                    throw new ParsingException("A state group cannot be virtual.",
                        new List<TokenType>());
                }
                else if (im == InheritanceModifier.Override)
                {
                    throw new ParsingException("A state group cannot be overriden.",
                        new List<TokenType>());
                }

                if (isAsync)
                {
                    throw new ParsingException("A state group cannot be async.",
                        new List<TokenType>());
                }

                if (isPartial)
                {
                    throw new ParsingException("A state group cannot be partial.",
                        new List<TokenType>());
                }

                if (isStart)
                {
                    throw new ParsingException("A state group cannot be marked start.",
                        new List<TokenType>());
                }
                else if (isHot)
                {
                    throw new ParsingException("A state group cannot be hot.",
                        new List<TokenType>());
                }
                else if (isCold)
                {
                    throw new ParsingException("A state group cannot be cold.",
                        new List<TokenType>());
                }

                new StateGroupDeclarationVisitor(base.TokenStream).Visit(parentNode, null, am);
            }
            else
            {
                if (am == AccessModifier.Public)
                {
                    throw new ParsingException("A field or method cannot be public.",
                        new List<TokenType>());
                }
                else if (am == AccessModifier.Internal)
                {
                    throw new ParsingException("A field or method cannot be internal.",
                        new List<TokenType>());
                }

                new FieldOrMethodDeclarationVisitor(base.TokenStream).Visit(parentNode, am, im, isAsync, isPartial);
            }
        }
Beispiel #25
0
 /// <summary>
 /// Constructor
 /// </summary>
 /// <param name="program">Program</param>
 /// <param name="machineNode">MachineDeclarationNode</param>
 /// <param name="modSet">Modifier set</param>
 internal FieldDeclaration(IPSharpProgram program, MachineDeclaration machineNode, ModifierSet modSet)
     : base(program)
 {
     this.Machine        = machineNode;
     this.AccessModifier = modSet.AccessModifier;
 }
        /// <summary>
        /// Visits the syntax node.
        /// </summary>
        /// <param name="program">Program</param>
        /// <param name="parentNode">Node</param>
        /// <param name="isMonitor">Is a monitor</param>
        /// <param name="isPartial">Is partial</param>
        /// <param name="accMod">Access modifier</param>
        /// <param name="inhMod">Inheritance modifier</param>
        internal void Visit(IPSharpProgram program, NamespaceDeclaration parentNode, bool isMonitor,
            bool isPartial, AccessModifier accMod, InheritanceModifier inhMod)
        {
            var node = new MachineDeclaration(base.TokenStream.Program,
                parentNode, isMonitor, isPartial);
            node.AccessModifier = accMod;
            node.InheritanceModifier = inhMod;
            node.MachineKeyword = base.TokenStream.Peek();

            base.TokenStream.Index++;
            base.TokenStream.SkipWhiteSpaceAndCommentTokens();

            if (base.TokenStream.Done ||
                base.TokenStream.Peek().Type != TokenType.Identifier)
            {
                throw new ParsingException("Expected machine identifier.",
                    new List<TokenType>
                {
                    TokenType.Identifier
                });
            }

            base.TokenStream.Swap(new Token(base.TokenStream.Peek().TextUnit,
                TokenType.MachineIdentifier));

            node.Identifier = base.TokenStream.Peek();

            base.TokenStream.Index++;
            base.TokenStream.SkipWhiteSpaceAndCommentTokens();

            if (base.TokenStream.Program is PSharpProgram)
            {
                if (base.TokenStream.Done ||
                    (base.TokenStream.Peek().Type != TokenType.Colon &&
                    base.TokenStream.Peek().Type != TokenType.LeftCurlyBracket))
                {
                    throw new ParsingException("Expected \":\" or \"{\".",
                        new List<TokenType>
                    {
                            TokenType.Colon,
                            TokenType.LeftCurlyBracket
                    });
                }

                if (base.TokenStream.Peek().Type == TokenType.Colon)
                {
                    node.ColonToken = base.TokenStream.Peek();

                    base.TokenStream.Index++;
                    base.TokenStream.SkipWhiteSpaceAndCommentTokens();

                    if (base.TokenStream.Done ||
                        base.TokenStream.Peek().Type != TokenType.Identifier)
                    {
                        throw new ParsingException("Expected base machine identifier.",
                            new List<TokenType>
                        {
                                TokenType.Identifier
                        });
                    }

                    while (!base.TokenStream.Done &&
                        base.TokenStream.Peek().Type != TokenType.LeftCurlyBracket)
                    {
                        if (base.TokenStream.Peek().Type != TokenType.Identifier &&
                            base.TokenStream.Peek().Type != TokenType.Dot &&
                            base.TokenStream.Peek().Type != TokenType.NewLine)
                        {
                            throw new ParsingException("Expected base machine identifier.",
                                new List<TokenType>
                            {
                                    TokenType.Identifier,
                                    TokenType.Dot
                            });
                        }
                        else
                        {
                            node.BaseNameTokens.Add(base.TokenStream.Peek());
                        }

                        base.TokenStream.Index++;
                        base.TokenStream.SkipWhiteSpaceAndCommentTokens();
                    }
                }
            }

            if (base.TokenStream.Done ||
                base.TokenStream.Peek().Type != TokenType.LeftCurlyBracket)
            {
                throw new ParsingException("Expected \"{\".",
                    new List<TokenType>
                {
                    TokenType.LeftCurlyBracket
                });
            }

            base.TokenStream.Swap(new Token(base.TokenStream.Peek().TextUnit,
                TokenType.MachineLeftCurlyBracket));

            node.LeftCurlyBracketToken = base.TokenStream.Peek();

            base.TokenStream.Index++;
            base.TokenStream.SkipWhiteSpaceAndCommentTokens();

            this.VisitNextPSharpIntraMachineDeclaration(node);
            parentNode.MachineDeclarations.Add(node);

            var stateDeclarations = node.GetAllStateDeclarations();
            if (stateDeclarations.Count == 0 && node.BaseNameTokens.Count == 0)
            {
                throw new ParsingException("A machine must declare at least one state.",
                    new List<TokenType>());
            }

            var startStates = stateDeclarations.FindAll(s => s.IsStart);
            if (startStates.Count == 0 && node.BaseNameTokens.Count == 0)
            {
                throw new ParsingException("A machine must declare a start state.",
                    new List<TokenType>());
            }
            else if (startStates.Count > 1)
            {
                throw new ParsingException("A machine can declare only a single start state.",
                    new List<TokenType>());
            }
        }
        /// <summary>
        /// Visits the next intra-machine declration.
        /// </summary>
        /// <param name="node">Node</param>
        private void VisitNextPIntraMachineDeclaration(MachineDeclaration node)
        {
            bool fixpoint = false;
            while (!fixpoint)
            {
                var token = base.TokenStream.Peek();
                switch (token.Type)
                {
                    case TokenType.WhiteSpace:
                    case TokenType.Comment:
                    case TokenType.NewLine:
                        base.TokenStream.Index++;
                        break;

                    case TokenType.CommentLine:
                    case TokenType.Region:
                        base.TokenStream.SkipWhiteSpaceAndCommentTokens();
                        break;

                    case TokenType.CommentStart:
                        base.TokenStream.SkipWhiteSpaceAndCommentTokens();
                        break;

                    case TokenType.StartState:
                        this.VisitStartStateModifier(node);
                        base.TokenStream.Index++;
                        break;

                    case TokenType.StateDecl:
                        new StateDeclarationVisitor(base.TokenStream).Visit(node, false, AccessModifier.None);
                        base.TokenStream.Index++;
                        break;

                    case TokenType.ModelDecl:
                        new FunctionDeclarationVisitor(base.TokenStream).Visit(node, true);
                        base.TokenStream.Index++;
                        break;

                    case TokenType.FunDecl:
                        new FunctionDeclarationVisitor(base.TokenStream).Visit(node, false);
                        base.TokenStream.Index++;
                        break;

                    case TokenType.Var:
                        new FieldDeclarationVisitor(base.TokenStream).Visit(node);
                        base.TokenStream.Index++;
                        break;

                    case TokenType.ColdState:
                    case TokenType.HotState:
                        base.TokenStream.Index++;
                        break;

                    case TokenType.RightCurlyBracket:
                        base.TokenStream.Swap(new Token(base.TokenStream.Peek().TextUnit,
                            TokenType.MachineRightCurlyBracket));
                        node.RightCurlyBracketToken = base.TokenStream.Peek();
                        base.TokenStream.CurrentMachine = "";
                        fixpoint = true;
                        break;

                    default:
                        throw new ParsingException("Unexpected token.",
                            new List<TokenType>());
                }

                if (base.TokenStream.Done)
                {
                    throw new ParsingException("Expected \"}\".",
                        new List<TokenType>
                    {
                            TokenType.StartState,
                            TokenType.StateDecl,
                            TokenType.FunDecl,
                            TokenType.Var
                    });
                }
            }
        }
        /// <summary>
        /// Visits a start state modifier.
        /// </summary>
        /// <param name="parentNode">Node</param>
        private void VisitStartStateModifier(MachineDeclaration parentNode)
        {
            base.TokenStream.Index++;
            base.TokenStream.SkipWhiteSpaceAndCommentTokens();

            if (base.TokenStream.Done ||
                (base.TokenStream.Peek().Type != TokenType.StateDecl &&
                base.TokenStream.Peek().Type != TokenType.ColdState &&
                base.TokenStream.Peek().Type != TokenType.HotState))
            {
                throw new ParsingException("Expected state declaration.",
                    new List<TokenType>
                {
                    TokenType.StateDecl
                });
            }

            if (base.TokenStream.Peek().Type == TokenType.ColdState ||
                base.TokenStream.Peek().Type == TokenType.HotState)
            {
                base.TokenStream.Index++;
                base.TokenStream.SkipWhiteSpaceAndCommentTokens();

                if (base.TokenStream.Done ||
                    base.TokenStream.Peek().Type != TokenType.StateDecl)
                {
                    throw new ParsingException("Expected state declaration.",
                        new List<TokenType>
                    {
                        TokenType.StateDecl
                    });
                }
            }

            new StateDeclarationVisitor(base.TokenStream).Visit(parentNode, true, AccessModifier.None);
        }
        /// <summary>
        /// Visits the syntax node.
        /// </summary>
        /// <param name="parentNode">Node</param>
        internal void Visit(MachineDeclaration parentNode)
        {
            var nodes = new List<PFieldDeclaration>();
            var fieldKeyword = base.TokenStream.Peek();

            base.TokenStream.Index++;
            base.TokenStream.SkipWhiteSpaceAndCommentTokens();

            if (base.TokenStream.Done ||
                base.TokenStream.Peek().Type != TokenType.Identifier)
            {
                throw new ParsingException("Expected identifier.",
                    new List<TokenType>
                {
                    TokenType.Identifier
                });
            }

            nodes.Add(new PFieldDeclaration(base.TokenStream.Program, parentNode,
                parentNode.IsModel));
            nodes[nodes.Count - 1].FieldKeyword = fieldKeyword;
            nodes[nodes.Count - 1].Identifier = base.TokenStream.Peek();

            base.TokenStream.Index++;
            base.TokenStream.SkipWhiteSpaceAndCommentTokens();

            bool expectsComma = true;
            while (!base.TokenStream.Done &&
                base.TokenStream.Peek().Type != TokenType.Colon)
            {
                if ((!expectsComma &&
                    base.TokenStream.Peek().Type != TokenType.Identifier) ||
                    (expectsComma && base.TokenStream.Peek().Type != TokenType.Comma))
                {
                    break;
                }

                if (base.TokenStream.Peek().Type == TokenType.Identifier)
                {
                    nodes.Add(new PFieldDeclaration(base.TokenStream.Program, parentNode,
                        parentNode.IsModel));
                    nodes[nodes.Count - 1].FieldKeyword = fieldKeyword;
                    nodes[nodes.Count - 1].Identifier = base.TokenStream.Peek();

                    base.TokenStream.Index++;
                    base.TokenStream.SkipWhiteSpaceAndCommentTokens();

                    expectsComma = true;
                }
                else if (base.TokenStream.Peek().Type == TokenType.Comma)
                {
                    base.TokenStream.Index++;
                    base.TokenStream.SkipWhiteSpaceAndCommentTokens();

                    expectsComma = false;
                }
            }

            if (base.TokenStream.Done ||
                base.TokenStream.Peek().Type != TokenType.Colon)
            {
                throw new ParsingException("Expected \":\".",
                    new List<TokenType>
                {
                    TokenType.Colon
                });
            }

            foreach (var node in nodes)
            {
                node.ColonToken = base.TokenStream.Peek();
            }

            base.TokenStream.Index++;
            base.TokenStream.SkipWhiteSpaceAndCommentTokens();

            PBaseType type = null;
            new TypeIdentifierVisitor(base.TokenStream).Visit(ref type);

            foreach (var node in nodes)
            {
                node.Type = type;
            }

            if (base.TokenStream.Done ||
                base.TokenStream.Peek().Type != TokenType.Semicolon)
            {
                throw new ParsingException("Expected \";\".",
                    new List<TokenType>
                {
                    TokenType.Semicolon
                });
            }

            foreach (var node in nodes)
            {
                node.SemicolonToken = base.TokenStream.Peek();
                parentNode.FieldDeclarations.Add(node);
            }
        }
Beispiel #30
0
 /// <summary>
 /// Constructor.
 /// </summary>
 /// <param name="program">Program</param>
 /// <param name="machineNode">MachineDeclarationNode</param>
 internal MethodDeclaration(IPSharpProgram program, MachineDeclaration machineNode)
     : base(program)
 {
     this.Parameters = new List<Token>();
     this.Machine = machineNode;
 }
 /// <summary>
 /// Constructor.
 /// </summary>
 /// <param name="program">Program</param>
 /// <param name="machineNode">MachineDeclarationNode</param>
 /// <param name="groupNode">StateGroupDeclaration</param>
 internal StateGroupDeclaration(IPSharpProgram program, MachineDeclaration machineNode,
     StateGroupDeclaration groupNode)
     : base(program)
 {
     this.Machine = machineNode;
     this.Group = groupNode;
     this.StateDeclarations = new List<StateDeclaration>();
     this.StateGroupDeclarations = new List<StateGroupDeclaration>();
 }
 /// <summary>
 /// Constructor
 /// </summary>
 /// <param name="program">Program</param>
 /// <param name="machineNode">PMachineDeclarationNode</param>
 /// <param name="isModel">Is a model</param>
 internal PFieldDeclaration(IPSharpProgram program, MachineDeclaration machineNode,
                            bool isModel)
     : base(program, machineNode, isModel)
 {
 }
        /// <summary>
        /// Visits the syntax node.
        /// </summary>
        /// <param name="parentNode">Node</param>
        /// <param name="groupNode">Parent state group</param>
        /// <param name="isStart">Is start state</param>
        /// <param name="isHot">Is start state</param>
        /// <param name="isCold">Is start state</param>
        /// <param name="accMod">Access modifier</param>
        internal void Visit(MachineDeclaration parentNode, StateGroupDeclaration groupNode,
            bool isStart, bool isHot, bool isCold, AccessModifier accMod)
        {
            var node = new StateDeclaration(base.TokenStream.Program, parentNode,
                groupNode, isStart, isHot, isCold);
            node.AccessModifier = accMod;
            node.StateKeyword = base.TokenStream.Peek();

            base.TokenStream.Index++;
            base.TokenStream.SkipWhiteSpaceAndCommentTokens();

            if (base.TokenStream.Done ||
                base.TokenStream.Peek().Type != TokenType.Identifier)
            {
                throw new ParsingException("Expected state identifier.",
                    new List<TokenType>
                {
                    TokenType.Identifier
                });
            }

            base.TokenStream.Swap(new Token(base.TokenStream.Peek().TextUnit,
                TokenType.StateIdentifier));

            node.Identifier = base.TokenStream.Peek();

            base.TokenStream.Index++;
            base.TokenStream.SkipWhiteSpaceAndCommentTokens();

            if (base.TokenStream.Done ||
                base.TokenStream.Peek().Type != TokenType.LeftCurlyBracket)
            {
                throw new ParsingException("Expected \"{\".",
                    new List<TokenType>
                {
                    TokenType.LeftCurlyBracket
                });
            }

            base.TokenStream.Swap(new Token(base.TokenStream.Peek().TextUnit,
                TokenType.StateLeftCurlyBracket));

            node.LeftCurlyBracketToken = base.TokenStream.Peek();

            base.TokenStream.Index++;
            base.TokenStream.SkipWhiteSpaceAndCommentTokens();

            if (base.TokenStream.Program is PSharpProgram)
            {
                this.VisitNextPSharpIntraStateDeclaration(node);
            }
            else
            {
                this.VisitNextPIntraStateDeclaration(node);
            }

            // Insert into (immediately) containing group or machine declaration.
            if (groupNode != null)
            {
                groupNode.StateDeclarations.Add(node);
            }
            else
            {
                parentNode.StateDeclarations.Add(node);
            }
        }