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using Microsoft.CodeAnalysis;
using Microsoft.CodeAnalysis.CSharp;
using Microsoft.CodeAnalysis.CSharp.Syntax;
using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace Tango.Scripting
{
    public class ScriptParser
    {
        public List<ScriptVariable> ParseScript(String code)
        {
            List<ScriptVariable> vars = new List<ScriptVariable>();

            SyntaxTree tree = CSharpSyntaxTree.ParseText(code);
            var root = (CompilationUnitSyntax)tree.GetRoot();

            List<VariableDeclaratorSyntax> variables = new List<
oot.Members[0]); variables = variables.Distinct().ToList(); foreach (var item in variables) { ScriptVariable v = new ScriptVariable(); v.Name = item.Identifier.ToString(); if (item.Initializer.Value.GetType() == typeof(ObjectCreationExpressionSyntax)) { v.Type = (item.Initializer.Value as ObjectCreationExpressionSyntax).Type.ToString(); } else if (item.Initializer.Value.GetType() == typeof(InvocationExpressionSyntax)) { v.Type = (((item.Initializer.Value as InvocationExpressionSyntax).Expression as MemberAccessExpressionSyntax).Name as GenericNameSyntax).TypeArgumentList.Arguments[0].ToString(); } vars.Add(v); } return vars; } private void FillVariables(List<VariableDeclaratorSyntax> variables, SyntaxNode node) { foreach (var item in node.DescendantNodes(x => true)) { if (item.GetType() == typeof(VariableDeclaratorSyntax)) { variables.Add(item as VariableDeclaratorSyntax); } else { FillVariables(variables, item); } } } } public class ScriptVariable { public String Name { get; set; } public String Type { get; set; } public override string ToString() { return String.Format("{0} : {1}", Type, Name); } } }