Ejemplo n.º 1
0
        /// <summary>
        /// Parser for FunctionDefinition
        /// </summary>
        /// <returns>Parsed FunctionDefinition</returns>
        public FunctionDefinition ParseFunctionDefinition()
        {
            FunctionDefinition functionDefinition = new FunctionDefinition();

            //Parse FunctionId
            CurrentToken = TokenStream.NextToken();
            functionDefinition.SetIdentifier(CurrentToken.GetValue().ToString());

            //Parse Formals
            ParseFormals(functionDefinition);

            //Parse Statements
            while (TokenStream.HasNext() && TokenStream.Peek(1).GetValue().ToString() != "end")
            {
                functionDefinition.AddStatement(statementParser.ParseStatement());
            }

            //Skip end token
            NextToken("end", "def function() statements end", "end");

            return functionDefinition;
        }
Ejemplo n.º 2
0
        /// <summary>
        /// Visit FuncBindAssignment
        /// </summary>
        /// <param name="assignment">FuncBindAssignment to check</param>
        public override void Visit(FuncBindAssignment assignment)
        {
            //FuncBind is a function, so let checking do by FunctionDefinition visitor
            FunctionDefinition function = new FunctionDefinition();
            function.SetIdentifier(assignment.GetIdentifier());

            foreach (String identifier in assignment.GetIdentifiers())
            {
                Formal formal = new Formal();
                formal.SetIdentifier(identifier);
                function.AddFormal(formal);
            }

            function.AddStatement(assignment.GetStatement());

            //Check this new function
            function.AcceptVisitor(this);
            //Add to SymbolTable
            SymbolTable.AddFunctionDefinition(function);
        }