From 548ddc12d0127dd5806545633a9c88ca041b058e Mon Sep 17 00:00:00 2001
From: Charles Reilly <beebasm.2018@charlesreilly.com>
Date: Sat, 31 Aug 2024 20:22:22 +0100
Subject: [PATCH] Discard nameless macros used as placeholders

---
 src/sourcecode.cpp | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/src/sourcecode.cpp b/src/sourcecode.cpp
index 0647c6f..493de30 100644
--- a/src/sourcecode.cpp
+++ b/src/sourcecode.cpp
@@ -551,7 +551,15 @@ void SourceCode::EndMacro( const string& line, int column )
 
 	if ( GlobalData::Instance().IsFirstPass() )
 	{
-		MacroTable::Instance().Add( m_currentMacro );
+		if ( m_currentMacro->GetName().empty() )
+		{
+			// This is a placeholder used to skip a macro definition in an IF FALSE block
+			delete m_currentMacro;
+		}
+		else
+		{
+			MacroTable::Instance().Add( m_currentMacro );
+		}
 		m_currentMacro = NULL;
 	}
 }