示例#1
0
        public static HeaderStatement Parse(Scope scope, KeywordToken headerToken)
        {
            var ret = new HeaderStatement(scope);

            ret.AddToken(headerToken);

            if (!scope.Code.PeekExact('{'))
            {
                return(ret);
            }
            ret.AddToken(BracesToken.Parse(scope, null));

            return(ret);
        }
示例#2
0
        public static ForStatement Parse(Scope scope, KeywordToken forToken)
        {
            var ret = new ForStatement(scope);

            var code = scope.Code;

            ret.AddToken(forToken);
            if (!code.ReadExact('('))
            {
                return(ret);
            }

            var brackets = new BracketsToken(scope);

            brackets.AddOpen(code.Span);
            ret.AddToken(brackets);

            // Initializer
            var exp = ExpressionToken.TryParse(scope, _conditionEndTokens);

            if (exp != null)
            {
                brackets.AddToken(exp);
            }
            if (!code.ReadExact(';'))
            {
                return(ret);
            }

            // Condition
            exp = ExpressionToken.TryParse(scope, _conditionEndTokens);
            if (exp != null)
            {
                brackets.AddToken(exp);
            }
            if (!code.ReadExact(';'))
            {
                return(ret);
            }

            // Increment
            exp = ExpressionToken.TryParse(scope, _conditionEndTokens);
            if (exp != null)
            {
                brackets.AddToken(exp);
            }
            if (!code.ReadExact(')'))
            {
                return(ret);
            }
            brackets.AddClose(code.Span);

            // Body
            var bodyScope = scope.Clone();

            bodyScope.BreakOwner    = ret;
            bodyScope.ContinueOwner = ret;

            if (!code.PeekExact('{'))
            {
                return(ret);
            }
            var body = BracesToken.Parse(bodyScope, null);

            ret.AddToken(body);

            return(ret);
        }