Extend printing and reading of exception types

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

src/CppParser/Bindings/CSharp/i686-pc-win32-msvc/Std-symbols.cpp

@@ -4,7 +4,7 @@
 #include <string>
 
 template __declspec(dllexport) std::allocator<char>::allocator() noexcept;
-template __declspec(dllexport) std::basic_string<char, std::char_traits<char>, std::allocator<char>>::basic_string() noexcept;
+template __declspec(dllexport) std::basic_string<char, std::char_traits<char>, std::allocator<char>>::basic_string() noexcept(true);
 template __declspec(dllexport) std::basic_string<char, std::char_traits<char>, std::allocator<char>>::~basic_string() noexcept;
 template __declspec(dllexport) std::basic_string<char, std::char_traits<char>, std::allocator<char>>& std::basic_string<char, std::char_traits<char>, std::allocator<char>>::assign(const char* const);
 template __declspec(dllexport) const char* std::basic_string<char, std::char_traits<char>, std::allocator<char>>::data() const noexcept;

src/CppParser/Bindings/CSharp/x86_64-pc-win32-msvc/Std-symbols.cpp

@@ -4,7 +4,7 @@
 #include <string>
 
 template __declspec(dllexport) std::allocator<char>::allocator() noexcept;
-template __declspec(dllexport) std::basic_string<char, std::char_traits<char>, std::allocator<char>>::basic_string() noexcept;
+template __declspec(dllexport) std::basic_string<char, std::char_traits<char>, std::allocator<char>>::basic_string() noexcept(true);
 template __declspec(dllexport) std::basic_string<char, std::char_traits<char>, std::allocator<char>>::~basic_string() noexcept;
 template __declspec(dllexport) std::basic_string<char, std::char_traits<char>, std::allocator<char>>& std::basic_string<char, std::char_traits<char>, std::allocator<char>>::assign(const char* const);
 template __declspec(dllexport) const char* std::basic_string<char, std::char_traits<char>, std::allocator<char>>::data() const noexcept;

src/Generator.Tests/AST/TestAST.cs

@@ -495,12 +495,21 @@ namespace CppSharp.Generator.Tests.AST
         [Test]
         public void TestFunctionSpecifications()
         {
-            var constExprNoExcept = AstContext.FindFunction("constExprNoExcept").First();
-            Assert.IsTrue(constExprNoExcept.IsConstExpr);
-            var functionType = (FunctionType) constExprNoExcept.FunctionType.Type;
-            Assert.That(functionType.ExceptionSpecType,
+            var constExpr = AstContext.FindFunction("constExpr").First();
+            Assert.IsTrue(constExpr.IsConstExpr);
+
+            var noExcept = AstContext.FindFunction("noExcept").First();
+            Assert.That(((FunctionType) noExcept.FunctionType.Type).ExceptionSpecType,
                 Is.EqualTo(ExceptionSpecType.BasicNoexcept));
 
+            var noExceptTrue = AstContext.FindFunction("noExceptTrue").First();
+            Assert.That(((FunctionType) noExcept.FunctionType.Type).ExceptionSpecType,
+                Is.EqualTo(ExceptionSpecType.NoexceptTrue).Or.EqualTo(ExceptionSpecType.BasicNoexcept));
+
+            var noExceptFalse = AstContext.FindFunction("noExceptFalse").First();
+            Assert.That(((FunctionType) noExcept.FunctionType.Type).ExceptionSpecType,
+                Is.EqualTo(ExceptionSpecType.NoexceptFalse).Or.EqualTo(ExceptionSpecType.BasicNoexcept));
+
             var regular = AstContext.FindFunction("testSignature").First();
             Assert.IsFalse(regular.IsConstExpr);
             var regularFunctionType = (FunctionType) regular.FunctionType.Type;

src/Generator/Generators/C/CppTypePrinter.cs

@@ -423,10 +423,24 @@ namespace CppSharp.Generators.C
                 method.OperatorKind == CXXOperatorKind.ExplicitConversion ?
                 $"operator {method.OriginalReturnType.Visit(this)}" :
                 method.OriginalName;
-            var exceptionType =
-                functionType.ExceptionSpecType == ExceptionSpecType.BasicNoexcept ||
-                functionType.ExceptionSpecType == ExceptionSpecType.NoexceptTrue ?
-                " noexcept" : string.Empty;
+
+            string exceptionType;
+            switch (functionType.ExceptionSpecType)
+            {
+                case ExceptionSpecType.BasicNoexcept:
+                    exceptionType = " noexcept";
+                    break;
+                case ExceptionSpecType.NoexceptFalse:
+                    exceptionType = " noexcept(false)";
+                    break;
+                case ExceptionSpecType.NoexceptTrue:
+                    exceptionType = " noexcept(true)";
+                    break;
+                // TODO: research and handle the remaining cases
+                default:
+                    exceptionType = string.Empty;
+                    break;
+            }
             return $"{returnType}{@class}::{name}({@params}){@const}{exceptionType}";
         }
 

tests/Native/AST.h

@@ -204,7 +204,10 @@ typedef ForwardedTemplate<long> l;
 
 template class TestSpecializationArguments<const TestASTEnumItemByName>;
 
-constexpr void constExprNoExcept() noexcept;
+constexpr void constExpr();
+void noExcept() noexcept;
+void noExceptTrue() noexcept(true);
+void noExceptFalse() noexcept(false);
 
 template <typename T1, typename T2>
 bool functionWithSpecInfo(const T1& t11, const T1& t12, const T2& t2);