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

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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
This commit is contained in:
Paul Robinson 2014-10-13 21:11:22 +00:00
parent 2273ca1302
commit 9de9951e15
1 changed files with 5 additions and 5 deletions
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8
docs/CommandLine.rst
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@ -1630,13 +1630,13 @@ To start out, we declare our new ``FileSizeParser`` class:
.. code-block:: c++
struct FileSizeParser : public cl::basic_parser<unsigned> {
struct FileSizeParser : public cl::parser<unsigned> {
// 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);
};
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
@ -1652,7 +1652,7 @@ implement ``parse`` as:
.. 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;