STYLE: remove FULLDEBUG output on readLabel, readScalar

- used in various places to test if the input can be parsed as a
  label/scalar, so warnings tend to flood the output.

- be more explicit when encountering range errors

src/OpenFOAM/primitives/strings/parsing/parsing.C

@@ -30,7 +30,8 @@ License
 const Foam::Enum<Foam::parsing::errorType>
 Foam::parsing::errorNames
 {
-    { errorType::GENERAL,  "General error parsing" },
+    { errorType::GENERAL, "General error parsing" },
+    { errorType::RANGE, "Range error while parsing" },
     { errorType::TRAILING, "Trailing content found parsing" },
 };
 

src/OpenFOAM/primitives/strings/parsing/parsing.H

@@ -56,7 +56,8 @@ namespace parsing
     {
         NONE = 0,         //!< No error encountered
         GENERAL = 1,      //!< General parsing error
-        TRAILING = 2,     //!< Trailing content detected
+        RANGE = 2,        //!< Range error
+        TRAILING = 3,     //!< Trailing content detected
     };
 
 

src/OpenFOAM/primitives/strings/parsing/parsingI.H

@@ -32,7 +32,7 @@ inline Foam::parsing::errorType Foam::parsing::checkConversion
     if (errno || endptr == buf)
     {
         // Some type of error OR no conversion
-        return errorType::GENERAL;
+        return (errno == ERANGE ? errorType::RANGE : errorType::GENERAL);
     }
 
     // Trailing spaces are permitted