ProgrammingLanguageNr1.Parser.foreachStuff C# (CSharp) Method

        private AST foreachStuff(string pLoopVariableName)
        {
            AST statementList = new AST(new Token(Token.TokenType.STATEMENT_LIST, "<FOREACH_STATEMENTS>"));

            // increase __index__
            AST incrementNode = new AST(new Token(Token.TokenType.OPERATOR, "+"));
            incrementNode.addChild(new AST(new Token(Token.TokenType.NAME, "__index__")));
            incrementNode.addChild(new AST(new TokenWithValue(Token.TokenType.NUMBER, "1", 1.0f)));
            AST_Assignment assignmentNode = new AST_Assignment(new Token(Token.TokenType.ASSIGNMENT, "="), "__index__");
            assignmentNode.addChild(incrementNode);
            statementList.addChild(assignmentNode);

            // if(__index__ >= count(__indexes__)) { break }
            AST_FunctionCall lengthOfArray = new AST_FunctionCall(new Token(Token.TokenType.FUNCTION_CALL, "Count"));
            AST argumentList = new AST(new Token(Token.TokenType.NODE_GROUP, "<ARGUMENT_LIST>"));
            argumentList.addChild(new Token(Token.TokenType.NAME, "__indexes__"));
            lengthOfArray.addChild(argumentList);

            AST breakStatement = new AST_IfNode(new Token(Token.TokenType.IF, "IF"));
            AST operatorTree = new AST(new Token(Token.TokenType.OPERATOR, ">="));
            operatorTree.addChild(new Token(Token.TokenType.NAME, "__index__"));
            operatorTree.addChild(lengthOfArray);

            breakStatement.addChild(operatorTree);
            breakStatement.addChild(new Token(Token.TokenType.BREAK, "break"));
            statementList.addChild(breakStatement);

            // Loop variable
            AST_VariableDeclaration declarationTree =
                new AST_VariableDeclaration(new Token(Token.TokenType.VAR_DECLARATION, "<VAR_DECL>"), ReturnValueType.UNKNOWN_TYPE, pLoopVariableName);
            statementList.addChild(declarationTree);

            AST arrayIndexLookup = new AST(new Token(Token.TokenType.ARRAY_LOOKUP, "__indexes__"));
            arrayIndexLookup.addChild(new AST(new Token(Token.TokenType.NAME, "__index__")));

            AST arrayValueLookup = new AST(new Token(Token.TokenType.ARRAY_LOOKUP, "__array__"));
            arrayValueLookup.addChild(arrayIndexLookup);

            AST_Assignment assignmentTree =
                new AST_Assignment(new Token(Token.TokenType.ASSIGNMENT, "="), pLoopVariableName);
            assignmentTree.addChild(arrayValueLookup);
            statementList.addChild(assignmentTree);

            return statementList;
        }