Ejemplo n.º 1
0
        public static EqlResult CompileWith(string query, Expression context, ISchemaProvider schemaProvider, IMethodProvider _methodProvider)
        {
            AntlrInputStream stream = new AntlrInputStream(query);
            var lexer  = new EqlGrammerLexer(stream);
            var tokens = new CommonTokenStream(lexer);
            var parser = new EqlGrammerParser(tokens);

            parser.BuildParseTree = true;
            var tree = parser.startRule();

            var visitor    = new EqlGrammerVisitor(context, schemaProvider, _methodProvider);
            var expression = visitor.Visit(tree);

            return(new EqlResult(Expression.Lambda(expression)));
        }
Ejemplo n.º 2
0
        public static EqlResult Compile(string query, ISchemaProvider schemaProvider, IMethodProvider _methodProvider)
        {
            ParameterExpression contextParam = null;

            if (schemaProvider != null)
            {
                contextParam = Expression.Parameter(schemaProvider.ContextType);
            }

            AntlrInputStream stream = new AntlrInputStream(query);
            var lexer  = new EqlGrammerLexer(stream);
            var tokens = new CommonTokenStream(lexer);
            var parser = new EqlGrammerParser(tokens);

            parser.BuildParseTree = true;
            var tree = parser.startRule();

            var visitor    = new EqlGrammerVisitor(contextParam, schemaProvider, _methodProvider);
            var expression = visitor.Visit(tree);

            return(new EqlResult(contextParam != null ? Expression.Lambda(expression, contextParam) : Expression.Lambda(expression)));
        }