Update the example of using a command-line option custom parser to

match the current implementation.

Patch by Douglas Yung!

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@219631 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/docs/CommandLine.rst b/docs/CommandLine.rst
index 1b342e34bf50d48e10965f0d01cf8c4320d5a322..1d85215f2af30629b21e0c1f75dc59e6540a0616 100644 (file)
--- a/docs/CommandLine.rst
+++ b/docs/CommandLine.rst
@@ -1630,13 +1630,13 @@ To start out, we declare our new ``FileSizeParser`` class:
 
 .. code-block:: c++
 
 
 .. code-block:: c++
 

-  struct FileSizeParser : public cl::basic_parser<unsigned> {
+  struct FileSizeParser : public cl::parser<unsigned> {

     // parse - Return true on error.
     // parse - Return true on error.

-    bool parse(cl::Option &O, const char *ArgName, const std::string &ArgValue,
+    bool parse(cl::Option &O, StringRef ArgName, const std::string &ArgValue,

                unsigned &Val);
   };
 
                unsigned &Val);
   };
 

-Our new class inherits from the ``cl::basic_parser`` template class to fill in
+Our new class inherits from the ``cl::parser`` template class to fill in

 the default, boiler plate code for us.  We give it the data type that we parse
 into, the last argument to the ``parse`` method, so that clients of our custom
 parser know what object type to pass in to the parse method.  (Here we declare
 the default, boiler plate code for us.  We give it the data type that we parse
 into, the last argument to the ``parse`` method, so that clients of our custom
 parser know what object type to pass in to the parse method.  (Here we declare


@@ -1652,7 +1652,7 @@ implement ``parse`` as:
 
 .. code-block:: c++
 
 
 .. code-block:: c++
 

-  bool FileSizeParser::parse(cl::Option &O, const char *ArgName,
+  bool FileSizeParser::parse(cl::Option &O, StringRef ArgName,

                              const std::string &Arg, unsigned &Val) {
     const char *ArgStart = Arg.c_str();
     char *End;
                              const std::string &Arg, unsigned &Val) {
     const char *ArgStart = Arg.c_str();
     char *End;


@@ -1698,7 +1698,7 @@ Which adds this to the output of our program:
   OPTIONS:
     -help                 - display available options (-help-hidden for more)
     ...
   OPTIONS:
     -help                 - display available options (-help-hidden for more)
     ...

-   -max-file-size=<size> - Maximum file size to accept
+    -max-file-size=<size> - Maximum file size to accept

 
 And we can test that our parse works correctly now (the test program just prints
 out the max-file-size argument value):
 
 And we can test that our parse works correctly now (the test program just prints
 out the max-file-size argument value):