[Boost-bugs] [Boost C++ Libraries] #6838: Adding include file with force_include makes Wave fail to emit #line directive

Subject: [Boost-bugs] [Boost C++ Libraries] #6838: Adding include file with force_include makes Wave fail to emit #line directive
From: Boost C++ Libraries (noreply_at_[hidden])
Date: 2012-04-27 09:43:26

#6838: Adding include file with force_include makes Wave fail to emit #line
directive
------------------------------------------------------------+---------------
 Reporter:  Rasmus Bonnedal <rasmus.bonnedal@…>             |       Owner:  hkaiser
     Type:  Bugs                                            |      Status:  new    
Milestone:  To Be Determined                                |   Component:  wave   
  Version:  Boost 1.49.0                                    |    Severity:  Problem
 Keywords:  wave force_include forceinclude #line           |  
------------------------------------------------------------+---------------
 It can be demonstrated with the wave tool:

 Input files

 a.cpp:
 {{{
 int main(void) return 0;
 }}}

 force.h:
 {{{
 int func(void);
 }}}

 Command line:
 {{{
 wave -F force.h a.cpp
 }}}

 Output:
 {{{
 #line 1 "/Users/bonnedr/code/boost-wave-test/force.h"
 int func(void);

 int main(void) { return 0; }
 }}}

 Expected output:
 {{{
 #line 1 "/Users/bonnedr/code/boost-wave-test/force.h"
 int func(void);
 #line 1 "/Users/bonnedr/code/boost-wave-test/a.cpp"
 int main(void) { return 0; }
 }}}

 I have tried a fix by changing line 756 in wave/util/cpp_iterator.hpp like
 this. It solves the problem for me but I don't know Boost Wave enough to
 know if it doesn't introduce a bunch of other problems.

 Fix:
 {{{
 -if (iter_ctx->emitted_lines+2 == act_pos.get_line()) {
 +if (iter_ctx->emitted_lines+2 == act_pos.get_line() && act_pos.get_line()
 != 1) {
 }}}

-- 
Ticket URL: <https://svn.boost.org/trac/boost/ticket/6838>
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