Ignored all system declarations until we can properly support them.

Signed-off-by: Dimitar Dobrev <dpldobrev@protonmail.com>

src/Generator/Driver.cs

@@ -299,6 +299,7 @@ namespace CppSharp
         { 
             TranslationUnitPasses.AddPass(new SortDeclarationsPass());
             TranslationUnitPasses.AddPass(new ResolveIncompleteDeclsPass());
+            TranslationUnitPasses.AddPass(new IgnoreSystemDeclarationsPass());
             TranslationUnitPasses.AddPass(new CheckIgnoredDeclsPass());
 
             if (Options.IsCSharpGenerator)

src/Generator/Generators/CLI/CLITypeReferences.cs

@@ -177,9 +177,6 @@ namespace CppSharp.Generators.CLI
 
         public override bool VisitDeclaration(Declaration decl)
         {
-            if (decl.Namespace != null && decl.Namespace.TranslationUnit.IsSystemHeader)
-                return false;
-
             return decl.IsDeclared;
         }
 

src/Generator/Passes/CheckDuplicatedNamesPass.cs

@@ -194,13 +194,6 @@ namespace CppSharp.Passes
             return false;
         }
 
-        public override bool VisitDeclaration(Declaration decl)
-        {
-            if (decl.Namespace != null && decl.TranslationUnit.IsSystemHeader)
-                return false;
-            return base.VisitDeclaration(decl);
-        }
-
         private static IEnumerable<Field> GetAllFields(Class @class, List<Field> fields = null)
         {
             fields = fields ?? new List<Field>();

src/Generator/Passes/DelegatesPass.cs

@@ -41,7 +41,7 @@ namespace CppSharp.Passes
                 libsDelegates[library] = new Dictionary<string, DelegateDefinition>();
 
             var unit = context.TranslationUnits.LastOrDefault(u => u.IsValid && u.IsGenerated &&
-                !u.IsSystemHeader && u.HasDeclarations);
+                u.HasDeclarations);
 
             if (unit == null)
                 return false;
@@ -86,8 +86,7 @@ namespace CppSharp.Passes
 
         public override bool VisitMethodDecl(Method method)
         {
-            if (!base.VisitMethodDecl(method) || !method.IsVirtual || method.Ignore
-                || method.TranslationUnit.IsSystemHeader)
+            if (!base.VisitMethodDecl(method) || !method.IsVirtual || method.Ignore)
                 return false;
 
             var @params = method.GatherInternalParams(Driver.Options.IsItaniumLikeAbi, true).ToList();

src/Generator/Passes/HandleDefaultParamValuesPass.cs

@@ -37,7 +37,7 @@ namespace CppSharp.Passes
 
         public override bool VisitFunctionDecl(Function function)
         {
-            if (!base.VisitFunctionDecl(function) || function.TranslationUnit.IsSystemHeader)
+            if (!base.VisitFunctionDecl(function) || function.Ignore)
                 return false;
 
             Generator.CurrentOutputNamespace = function.TranslationUnit.Module.OutputNamespace;

src/Generator/Passes/IgnoreAbstractOperatorsPass.cs

@@ -6,7 +6,7 @@ namespace CppSharp.Passes
     {
         public override bool VisitMethodDecl(Method method)
         {
-            if (!base.VisitMethodDecl(method) || method.TranslationUnit.IsSystemHeader)
+            if (!base.VisitMethodDecl(method))
                 return false;
 
             if (method.IsPure && method.IsOperator)

src/Generator/Passes/IgnoreSystemDeclarationsPass.cs

@@ -0,0 +1,14 @@
+using CppSharp.AST;
+
+namespace CppSharp.Passes
+{
+    public class IgnoreSystemDeclarationsPass : TranslationUnitPass
+    {
+        public override bool VisitDeclaration(Declaration decl)
+        {
+            if (decl.Namespace != null && decl.TranslationUnit.IsSystemHeader)
+                decl.ExplicitlyIgnore();
+            return base.VisitDeclaration(decl);
+        }
+    }
+}

src/Generator/Types/Types.cs

@@ -32,8 +32,7 @@ namespace CppSharp
             if (decl.CompleteDeclaration != null)
                 return VisitDeclaration(decl.CompleteDeclaration);
 
-            if (!(decl is TypedefDecl) && (!decl.IsGenerated ||
-                (decl is Class && decl.TranslationUnit.IsSystemHeader)))
+            if (!(decl is TypedefDecl) && !decl.IsGenerated)
             {
                 Ignore();
                 return false;

tests/Common/Common.h

@@ -1160,3 +1160,7 @@ struct polygon
 {
     InteriorRings<T> interior_rings;
 };
+
+class HasSystemBase : public std::string
+{
+};