Make tab size a constant

Author: shewitt-au

lib/include/pl/core/lexer.hpp

@@ -79,6 +79,8 @@ namespace pl::core
             return false;
         }
 
+        static constexpr int tabsize = 4;
+
         std::string m_sourceCode;
         const api::Source *m_source = nullptr;
         std::vector<Token> m_tokens;

lib/source/pl/core/lexer.cpp

@@ -572,7 +572,7 @@ namespace pl::core
                 if (c == '\t')
                 {
                     u32 column = m_tabCompensation + (m_cursor - m_lineBegin + 1);
-                    u32 tabbedColumn = (((column - 1) / 4 + 1) * 4) + 1;
+                    u32 tabbedColumn = (((column - 1) / tabsize + 1) * tabsize) + 1;
                     m_tabCompensation += tabbedColumn - column - 1;
                     ++m_cursor;
                 }