MERGE

3 files changed, 436 insertions, 0 deletions

diff --git a/Software/Visual_Studio/Scripting/Tango.Scripting/Parsing/ScriptParser.cs b/Software/Visual_Studio/Scripting/Tango.Scripting/Parsing/ScriptParser.cs
new file mode 100644
index 000000000..15760c950
--- /dev/null
+++ b/Software/Visual_Studio/Scripting/Tango.Scripting/Parsing/ScriptParser.cs
@@ -0,0 +1,382 @@
+using Microsoft.CodeAnalysis;
+using Microsoft.CodeAnalysis.CSharp;
+using Microsoft.CodeAnalysis.CSharp.Syntax;
+using System;
+using System.Collections;
+using System.Collections.Generic;
+using System.Collections.Immutable;
+using System.IO;
+using System.Linq;
+using System.Text;
+using System.Text.RegularExpressions;
+using System.Threading.Tasks;
+
+namespace Tango.Scripting.Parsing
+{
+    public class ScriptParser
+    {
+        private const string fakeScript = "CurrentScript";
+        private string fakeScriptName = "CurrentScript.";
+
+        private String ReplaceFakeScript(String str)
+        {
+            if (str != null)
+            {
+                return str.Replace(fakeScriptName, "").Replace(fakeScript, "");
+            }
+
+            return str;
+        }
+
+        private CompilationUnitSyntax GetRoot(String code)
+        {
+            SyntaxTree tree = CSharpSyntaxTree.ParseText(code);
+            var root = (CompilationUnitSyntax)tree.GetRoot();
+            return root;
+        }
+
+        private SemanticModel GetSemanticModel(String code)
+        {
+            SyntaxTree tree = CSharpSyntaxTree.ParseText(code);
+            CompilationUnitSyntax root = tree.GetCompilationUnitRoot();
+            var compilation = CSharpCompilation.Create("CSharpScript").AddSyntaxTrees(tree);
+            SemanticModel model = compilation.GetSemanticModel(tree);
+            return model;
+        }
+
+        public List<ScriptSymbol> GetContextSymbols(String code, int caretOffset)
+        {
+            var currentNode = GetCaretOffsetNode(code, caretOffset);
+
+            if (currentNode == null) return new List<ScriptSymbol>();
+
+            if (currentNode.Ancestors().OfType<BaseTypeDeclarationSyntax>().Count() == 0)
+            {
+                var usings = GetUsingsFull(code);
+
+                int removedLength = usings.Select(x => x.Length).Sum();
+
+                foreach (var use in usings)
+                {
+                    code = code.Replace(use, "");
+                }
+
+                String scriptStart = $"public class {fakeScript}\n{{\n";
+                code = $"{scriptStart}{code}\n}}";
+                caretOffset = caretOffset - removedLength + scriptStart.Length;
+            }
+
+            var model = GetSemanticModel(code);
+            var symbols = model.LookupSymbols(caretOffset).ToList().Where(x => x.Kind == SymbolKind.Property || x.Kind == SymbolKind.Field || x.Kind == SymbolKind.Parameter || x.Kind == SymbolKind.Local || x.Kind == SymbolKind.Method).ToList();
+
+            List<ScriptSymbol> vars = new List<ScriptSymbol>();
+
+            foreach (var symbol in symbols.DistinctBy(x => x.Name))
+            {
+                if (symbol.ContainingSymbol.GetType().Name == "LambdaSymbol")
+                {
+                    var invocationNode = currentNode.Ancestors().OfType<InvocationExpressionSyntax>().FirstOrDefault();
+
+                    if (invocationNode != null)
+                    {
+                        var expressionNode = invocationNode.Expression as MemberAccessExpressionSyntax;
+
+                        if (expressionNode != null && expressionNode.Name != null)
+                        {
+                            var name = expressionNode.Name as GenericNameSyntax;
+
+                            if (name != null)
+                            {
+                                var type = name.TypeArgumentList.Arguments.FirstOrDefault()?.ToString();
+
+                                vars.Add(new ScriptSymbol()
+                                {
+                                    Name = symbol.Name,
+                                    Type = ReplaceFakeScript(type),
+                                    Class = ReplaceFakeScript(symbol.ContainingType?.Name),
+                                    Kind = symbol.Kind,
+                                    Accessibility = symbol.DeclaredAccessibility,
+                                    ContainingNamespace = ReplaceFakeScript(symbol.ContainingNamespace?.Name),
+                                    Summary = GetSymbolDocumentation(symbol),
+                                });
+                            }
+                        }
+                    }
+                }
+                if (symbol.Kind == SymbolKind.Method)
+                {
+                    var prop = symbol.GetType().GetProperty("ReturnType");
+
+                    if (prop != null)
+                    {
+                        ScriptSymbol m = new ScriptSymbol()
+                        {
+                            Name = symbol.Name,
+                            Type = ReplaceFakeScript(prop.GetValue(symbol).ToString()),
+                            Class = ReplaceFakeScript(symbol.ContainingType?.Name),
+                            Kind = symbol.Kind,
+                            Accessibility = symbol.DeclaredAccessibility,
+                            ContainingNamespace = ReplaceFakeScript(symbol.ContainingNamespace?.Name),
+                            Summary = GetSymbolDocumentation(symbol),
+                        };
+
+                        m.Parameters = GetMethodSymbolParameters(symbol);
+
+                        vars.Add(m);
+                    }
+                }
+                else
+                {
+                    var prop = symbol.GetType().GetProperty("Type");
+
+                    if (prop != null)
+                    {
+                        vars.Add(new ScriptSymbol()
+                        {
+                            Name = symbol.Name,
+                            Type = ReplaceFakeScript(prop.GetValue(symbol).ToString()),
+                            Class = ReplaceFakeScript(symbol.ContainingType?.Name),
+                            Kind = symbol.Kind,
+                            Accessibility = symbol.DeclaredAccessibility,
+                            ContainingNamespace = ReplaceFakeScript(symbol.ContainingNamespace?.Name),
+                            Summary = GetSymbolDocumentation(symbol),
+                        });
+                    }
+                }
+            }
+
+            return vars.Where(x => x.Type != "?").ToList();
+        }
+
+        public List<String> GetUsings(String code)
+        {
+            Regex r = new Regex("(using [^;^\n]+;)");
+            var matches = r.Matches(code);
+            return matches.OfType<Match>().Select(x => x.Value.Replace("using ", "").Replace(";", "").Replace("\n", "").Replace("\t", "").Replace("\r", "")).ToList();
+        }
+
+        public List<String> GetUsingsFull(String code)
+        {
+            Regex r = new Regex("(using [^;^\n]+;)");
+            var matches = r.Matches(code);
+            return matches.OfType<Match>().Select(x => x.Value).ToList();
+        }
+
+        public List<ScriptType> GetDeclaredTypes(String code)
+        {
+            List<ScriptType> types = new List<ScriptType>();
+
+            SyntaxTree tree = CSharpSyntaxTree.ParseText(code);
+            CompilationUnitSyntax root = tree.GetCompilationUnitRoot();
+            var compilation = CSharpCompilation.Create("CSharpScript").AddSyntaxTrees(tree);
+            SemanticModel model = compilation.GetSemanticModel(tree);
+
+            foreach (var d in root.DescendantNodes().Where(x => x is ClassDeclarationSyntax || x is EnumDeclarationSyntax || x is InterfaceDeclarationSyntax).OfType<BaseTypeDeclarationSyntax>())
+            {
+                var type = model.GetDeclaredSymbol(d);
+                if (!String.IsNullOrWhiteSpace(type.Name))
+                {
+                    ScriptType scriptType = new ScriptType();
+                    scriptType.Name = type.Name;
+                    scriptType.Kind = type.TypeKind;
+                    scriptType.ContainingNamespace = type.ContainingNamespace?.Name;
+                    scriptType.Summary = GetNodeDocumentation(d);
+
+
+                    foreach (var symbol in d.DescendantNodes().OfType<PropertyDeclarationSyntax>())
+                    {
+                        var symbolModel = model.GetDeclaredSymbol(symbol);
+
+                        scriptType.Symbols.Add(new ScriptSymbol()
+                        {
+                            Class = scriptType.Name,
+                            Accessibility = symbolModel.DeclaredAccessibility,
+                            Kind = SymbolKind.Property,
+                            Name = symbolModel.Name,
+                            Type = symbolModel.Type.ToString(),
+                            ContainingNamespace = symbolModel.ContainingNamespace?.Name,
+                            Summary = GetNodeDocumentation(symbol),
+                        });
+                    }
+
+                    foreach (var symbol in d.DescendantNodes().OfType<FieldDeclarationSyntax>())
+                    {
+                        var symbolModel = model.GetDeclaredSymbol(symbol.Declaration.Variables.FirstOrDefault()) as IFieldSymbol;
+
+                        if (symbolModel != null)
+                        {
+                            scriptType.Symbols.Add(new ScriptSymbol()
+                            {
+                                Class = scriptType.Name,
+                                Accessibility = symbolModel.DeclaredAccessibility,
+                                Kind = SymbolKind.Field,
+                                Name = symbolModel.Name,
+                                Type = symbolModel.Type.ToString(),
+                                ContainingNamespace = symbolModel.ContainingNamespace?.Name,
+                                Summary = GetNodeDocumentation(symbol),
+                            });
+                        }
+                    }
+
+                    foreach (var symbol in d.DescendantNodes().OfType<MethodDeclarationSyntax>())
+                    {
+                        var symbolModel = model.GetDeclaredSymbol(symbol);
+
+                        if (symbolModel != null)
+                        {
+                            ScriptSymbol m = new ScriptSymbol()
+                            {
+                                Class = scriptType.Name,
+                                Accessibility = symbolModel.DeclaredAccessibility,
+                                Kind = SymbolKind.Method,
+                                Name = symbolModel.Name,
+                                Type = symbolModel.ReturnType.ToString(),
+                                ContainingNamespace = symbolModel.ContainingNamespace?.Name,
+                                Summary = GetNodeDocumentation(symbol),
+                            };
+
+                            foreach (var p in symbol.DescendantNodes().OfType<ParameterSyntax>())
+                            {
+                                if (p.Type != null && p.Identifier != null)
+                                {
+                                    m.Parameters.Add(new KeyValuePair<string, string>(p.Type.ToString(), p.Identifier.ToString()));
+                                }
+                            }
+
+                            scriptType.Symbols.Add(m);
+                        }
+                    }
+
+                    types.Add(scriptType);
+                }
+            }
+
+            return types;
+        }
+
+        public ObjectCreationExpressionSyntax GetCurrentConstructionExpression(String code)
+        {
+            SyntaxTree tree = CSharpSyntaxTree.ParseText(code);
+            CompilationUnitSyntax root = tree.GetCompilationUnitRoot();
+            return root.DescendantNodes().OfType<ObjectCreationExpressionSyntax>().FirstOrDefault();
+        }
+
+        public T GetExpressionFirst<T>(String line) where T : CSharpSyntaxNode
+        {
+            SyntaxTree tree = CSharpSyntaxTree.ParseText(line);
+            CompilationUnitSyntax root = tree.GetCompilationUnitRoot();
+            return root.DescendantNodes().OfType<T>().FirstOrDefault();
+        }
+
+        public List<T> GetExpressions<T>(String line) where T : CSharpSyntaxNode
+        {
+            SyntaxTree tree = CSharpSyntaxTree.ParseText(line);
+            CompilationUnitSyntax root = tree.GetCompilationUnitRoot();
+            return root.DescendantNodes().OfType<T>().ToList();
+        }
+
+        public List<T> GetDirectExpressions<T>(SyntaxNode node) where T : CSharpSyntaxNode
+        {
+            return node.DescendantNodes().OfType<T>().ToList();
+        }
+
+        private SyntaxNode GetCaretOffsetNode(String code, int offset)
+        {
+            SyntaxTree tree = CSharpSyntaxTree.ParseText(code);
+            CompilationUnitSyntax root = tree.GetCompilationUnitRoot();
+            return root.DescendantNodes().Where(x => offset >= x.FullSpan.Start && offset <= x.FullSpan.End).OrderBy(x => x.FullSpan.Length).FirstOrDefault();
+        }
+
+        private List<SyntaxNode> GetNodeAncestors(SyntaxNode node)
+        {
+            return node.Ancestors().ToList();
+        }
+
+        private String GetNodeDocumentation(SyntaxNode node)
+        {
+            try
+            {
+                var trivia = node.GetLeadingTrivia().FirstOrDefault(t => t.Kind() == SyntaxKind.SingleLineCommentTrivia);
+
+                if (trivia != null && !String.IsNullOrWhiteSpace(trivia.ToString()))
+                {
+                    return trivia.ToString().Replace("//", "");
+                }
+            }
+            catch { }
+
+            return "No documentation.";
+        }
+
+        private String GetSymbolDocumentation(ISymbol symbol)
+        {
+            if (symbol != null)
+            {
+                var prop = symbol.GetType().GetProperty("SyntaxNode");
+
+                if (prop != null)
+                {
+                    var node = prop.GetValue(symbol) as SyntaxNode;
+
+                    if (node != null)
+                    {
+                        return GetNodeDocumentation(node.Parent);
+                    }
+                }
+            }
+
+            return "No documentation.";
+        }
+
+        private SyntaxNode GetSymbolSyntaxNode(ISymbol symbol)
+        {
+            if (symbol != null)
+            {
+                var prop = symbol.GetType().GetProperty("SyntaxNode");
+
+                if (prop != null)
+                {
+                    var node = prop.GetValue(symbol) as SyntaxNode;
+
+                    return node;
+                }
+            }
+
+            return null;
+        }
+
+        private List<KeyValuePair<String, String>> GetMethodSymbolParameters(ISymbol symbol)
+        {
+            List<KeyValuePair<String, String>> parameters = new List<KeyValuePair<string, string>>();
+
+            try
+            {
+                var prop = symbol.GetType().GetProperty("Parameters");
+
+                if (prop != null)
+                {
+                    var array = prop.GetValue(symbol) as IEnumerable;
+
+                    foreach (var item in array)
+                    {
+                        var type = item.GetType().GetProperty("Type").GetValue(item).ToString();
+                        var value = item.GetType().GetProperty("Name").GetValue(item).ToString();
+
+                        parameters.Add(new KeyValuePair<string, string>(type, value));
+                    }
+                }
+            }
+            catch { }
+
+            return parameters;
+        }
+
+        public String IndentCSharpCode(String code)
+        {
+            var tree = CSharpSyntaxTree.ParseText(code);
+            var root = tree.GetRoot().NormalizeWhitespace();
+            var ret = root.ToFullString();
+            return ret;
+        }
+    }
+}
diff --git a/Software/Visual_Studio/Scripting/Tango.Scripting/Parsing/ScriptSymbol.cs b/Software/Visual_Studio/Scripting/Tango.Scripting/Parsing/ScriptSymbol.cs
new file mode 100644
index 000000000..d6fdaeebf
--- /dev/null
+++ b/Software/Visual_Studio/Scripting/Tango.Scripting/Parsing/ScriptSymbol.cs
@@ -0,0 +1,31 @@
+using Microsoft.CodeAnalysis;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Tango.Scripting.Parsing
+{
+    public class ScriptSymbol
+    {
+        public String Name { get; set; }
+        public String Type { get; set; }
+        public SymbolKind Kind { get; set; }
+        public String Class { get; set; }
+        public Accessibility Accessibility { get; set; }
+        public String ContainingNamespace { get; set; }
+        public List<KeyValuePair<String,String>> Parameters { get; set; }
+        public String Summary { get; set; }
+
+        public ScriptSymbol()
+        {
+            Parameters = new List<KeyValuePair<string, string>>();
+        }
+
+        public override string ToString()
+        {
+            return $"{Kind.ToString()} : {Type} : {Name}";
+        }
+    }
+}
diff --git a/Software/Visual_Studio/Scripting/Tango.Scripting/Parsing/ScriptType.cs b/Software/Visual_Studio/Scripting/Tango.Scripting/Parsing/ScriptType.cs
new file mode 100644
index 000000000..3ca34a85e
--- /dev/null
+++ b/Software/Visual_Studio/Scripting/Tango.Scripting/Parsing/ScriptType.cs
@@ -0,0 +1,23 @@
+using Microsoft.CodeAnalysis;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Tango.Scripting.Parsing
+{
+    public class ScriptType
+    {
+        public String Name { get; set; }
+        public TypeKind Kind { get; set; }
+        public List<ScriptSymbol> Symbols { get; set; }
+        public string ContainingNamespace { get; set; }
+        public String Summary { get; set; }
+
+        public ScriptType()
+        {
+            Symbols = new List<ScriptSymbol>();
+        }
+    }
+}