[Boost-commit] svn:boost r82759 - trunk/libs/spirit/doc/support

Subject: [Boost-commit] svn:boost r82759 - trunk/libs/spirit/doc/support
From: hartmut.kaiser_at_[hidden]
Date: 2013-02-06 20:26:27

Author: hkaiser
Date: 2013-02-06 08:20:02 EST (Wed, 06 Feb 2013)
New Revision: 82759
URL: http://svn.boost.org/trac/boost/changeset/82759

Log:
Spirit: fix #7977: functor_input example for multi_pass iterator has various issues
Text files modified: 
   trunk/libs/spirit/doc/support/multi_pass.qbk |    33 +++++++++++++++++++++++----------       
   1 files changed, 23 insertions(+), 10 deletions(-)

Modified: trunk/libs/spirit/doc/support/multi_pass.qbk
==============================================================================
--- trunk/libs/spirit/doc/support/multi_pass.qbk	(original)
+++ trunk/libs/spirit/doc/support/multi_pass.qbk	2013-02-06 08:20:02 EST (Wed, 06 Feb 2013)
@@ -353,16 +353,22 @@
 to know whether the input has reached the end. Last but not least the function 
 object must be default constructible. Here is an example: 
 
+    #include <iostream>
+    #include <boost/spirit/home/qi.hpp>
+    #include <boost/spirit/home/support.hpp>
+    #include <boost/spirit/home/support/multi_pass.hpp>
+    #include <boost/spirit/home/support/iterators/detail/functor_input_policy.hpp>
+
     // define the function object
     class iterate_a2m
     {
     public:
         typedef char result_type;
 
-        iterate_a2m() : c('A') {}
+        iterate_a2m() : c_('A') {}
         iterate_a2m(char c) : c_(c) {}
 
-        result_type operator()() const
+        result_type operator()()
         {
             if (c_ == 'M')
                 return eof;
@@ -375,24 +381,31 @@
         char c_;
     };
 
-    iterate_a2m::result_type iterate_a2m::eof = iterate_a2m::result_type('\0');
+    iterate_a2m::result_type iterate_a2m::eof = iterate_a2m::result_type('M');
+
+    using namespace boost::spirit;
 
     // create two iterators using the define function object, one of which is 
     // an end iterator
     typedef multi_pass<iterate_a2m
-      , iterator_policies::functor_input
       , iterator_policies::first_owner
       , iterator_policies::no_check
+      , iterator_policies::functor_input
       , iterator_policies::split_std_deque> 
     functor_multi_pass_type;
 
-    functor_multi_pass_type first = functor_multi_pass_t(iterate_a2m());
-    functor_multi_pass_type last;
+    int main()
+    {
+        functor_multi_pass_type first = functor_multi_pass_type(iterate_a2m());
+        functor_multi_pass_type last;
 
-    // use the iterators: this will print "ABCDEFGHIJKL"
-    while (first != last) {
-        std::cout << *first;
-        ++first;
+        // use the iterators: this will print "ABCDEFGHIJKL"
+        while (first != last) {
+            std::cout << *first;
+            ++first;
+        }
+        std::cout << std::endl;
+        return 0;
     }
 
 [heading How to write policies for use with multi_pass]