Changeset 842:c2ff0a365245 in lemon-main for demo

Timestamp:

02/14/10 19:23:55 (15 years ago)

Author:

Alpar Juttner <alpar@…>

Branch:

default

Phase:

public

Message:

ArgParser? can throw exception instead of exit(1) (#332)

File:

• demo/arg_parser_demo.cc (modified) (1 diff)

demo/arg_parser_demo.cc

@@ -66 +66 @@
     .other("...");
 
+  // Throw an exception when problems occurs. The default behavior is to
+  // exit(1) on these cases, but this makes Valgrind falsely warn
+  // about memory leaks.
+  ap.throwOnProblems();
+  
   // Perform the parsing process
   // (in case of any error it terminates the program)
-  ap.parse();
+  // The try {} construct is necessary only if the ap.trowOnProblems()
+  // setting is in use.
+  try {
+    ap.parse();
+  } catch (ArgParserException &) { return 1; }
 
   // Check each option if it has been given and print its value