Simplified and tested the reading of line numbers.

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

src/CppParser/Parser.cpp

@@ -2403,14 +2403,6 @@ SourceLocationKind Parser::GetLocationKind(const clang::SourceLocation& Loc)
     return SourceLocationKind::System;
 }
 
-void Parser::GetLineNumbersFromLocation(const clang::SourceLocation& StartLoc,
-    const clang::SourceLocation& EndLoc, int* LineNumberStart, int* LineNumberEnd)
-{
-    auto& SM = C->getSourceManager();
-    *LineNumberStart = StartLoc.isInvalid() ? -1 : SM.getExpansionLineNumber(StartLoc);
-    *LineNumberEnd = EndLoc.isInvalid() ? -1 : SM.getExpansionLineNumber(EndLoc);
-}
-
 bool Parser::IsValidDeclaration(const clang::SourceLocation& Loc)
 {
     auto Kind = GetLocationKind(Loc);
@@ -2583,8 +2575,8 @@ PreprocessedEntity* Parser::WalkPreprocessedEntity(
             break;
 
         auto Definition = new MacroDefinition();
-        GetLineNumbersFromLocation(MD->getLocation(), MD->getLocation(),
-            &Definition->LineNumberStart, &Definition->LineNumberEnd);
+        Definition->LineNumberStart = SM.getExpansionLineNumber(MD->getLocation());
+        Definition->LineNumberEnd = SM.getExpansionLineNumber(MD->getLocation());
         Entity = Definition;
 
         Definition->Name = II->getName().trim();
@@ -2769,8 +2761,8 @@ void Parser::HandleDeclaration(clang::Decl* D, Declaration* Decl)
     Decl->OriginalPtr = (void*) D;
     Decl->USR = GetDeclUSR(D);
     Decl->Location = SourceLocation(D->getLocation().getRawEncoding());
-    GetLineNumbersFromLocation(D->getLocStart(), D->getLocEnd(),
-        &Decl->LineNumberStart, &Decl->LineNumberEnd);
+    Decl->LineNumberStart = C->getSourceManager().getExpansionLineNumber(D->getLocStart());
+    Decl->LineNumberEnd = C->getSourceManager().getExpansionLineNumber(D->getLocEnd());
 
     if (Decl->PreprocessedEntities.empty() && !D->isImplicit())
     {

src/CppParser/Parser.h

@@ -102,8 +102,6 @@ protected:
 
     // Clang helpers
     SourceLocationKind GetLocationKind(const clang::SourceLocation& Loc);
-    void GetLineNumbersFromLocation(const clang::SourceLocation& StartLoc, const clang::SourceLocation& EndLoc,
-        int* LineNumberStart, int* LineNumberEnd);
     bool IsValidDeclaration(const clang::SourceLocation& Loc);
     std::string GetDeclMangledName(clang::Decl* D);
     std::string GetTypeName(const clang::Type* Type);

src/Generator.Tests/AST/TestAST.cs

@@ -237,13 +237,13 @@ namespace CppSharp.Generator.Tests.AST
         [Test]
         public void TestLineNumber()
         {
-            Assert.AreEqual(63, AstContext.FindClass("HiddenInNamespace").First().LineNumberStart);
+            Assert.AreEqual(65, AstContext.FindClass("HiddenInNamespace").First().LineNumberStart);
         }
 
         [Test]
         public void TestLineNumberOfFriend()
         {
-            Assert.AreEqual(86, AstContext.FindFunction("operator+").First().LineNumberStart);
+            Assert.AreEqual(88, AstContext.FindFunction("operator+").First().LineNumberStart);
         }
 
         [Test]
@@ -275,5 +275,11 @@ namespace CppSharp.Generator.Tests.AST
                 .Find(f => f.Name == "AtomicInt").Type as BuiltinType;
             Assert.IsTrue(type != null && type.IsPrimitiveType(PrimitiveType.Int));
         }
+
+        [Test]
+        public void TestMacroLineNumber()
+        {
+            Assert.AreEqual(98, AstContext.FindClass("HasAmbiguousFunctions").First().Specifiers.Last().LineNumberStart);
+        }
     }
 }

tests/Native/AST.h

@@ -1,3 +1,5 @@
+#define Q_SIGNALS protected
+
 // Tests assignment of AST.Parameter properties
 void TestParameterProperties(bool a, const short& b, int* c = nullptr) {};
 
@@ -93,6 +95,7 @@ class HasAmbiguousFunctions
 public:
     void ambiguous();
     void ambiguous() const;
+Q_SIGNALS:
 };
 
 class Atomics