fix: assign yyinput to c

Author: ReadWriteV

cross_ref/scanner.lpp

@@ -139,9 +139,8 @@ L?\"([^"\\]|\\['"?\\abfnrtv]|\\[0-7]{1,3}|\\[Xx][0-9a-fA-F]+|{UCN})*\"
 
 void yy::Scanner::handle_inc_file()
 {
-
     int c{};
-    while ((c = yyinput() && c != '\n'))
+    while ((c = yyinput()) && c != '\n')
         ;
     enter_file(YYText());
     BEGIN(INITIAL);

inc_finder/scanner.hpp

@@ -21,7 +21,7 @@ namespace yy
         bool exit_file();
 
     private:
-        int handle_inc_file();
+        void handle_inc_file();
 
     private:
         std::stack<std::ifstream> files;

inc_finder/scanner.lpp

@@ -19,7 +19,7 @@ using namespace yy;
 
 %%
 
-^"#"[ \t]*include[ \t]*[\"<]   { BEGIN(IFILE); }
+^"#"[ \t]*include[ \t]*[\"<]    { BEGIN(IFILE); }
 
 <IFILE>[^ \t\n\">]+             { handle_inc_file(); }
 
@@ -34,18 +34,13 @@ using namespace yy;
 
 %%
 
-int yy::Scanner::handle_inc_file()
+void yy::Scanner::handle_inc_file()
 {
-
     int c{};
-    while ((c = yyinput() && c != '\n'))
+    while ((c = yyinput()) && c != '\n')
         ;
-    if (!enter_file(YYText()))
-    {
-        yyterminate();
-    }
+    enter_file(YYText());
     BEGIN(INITIAL);
-    return 0;
 }
 
 bool yy::Scanner::enter_file(std::string_view filename)