source/csourcefile.cpp

   1 #include <msp/core/maputils.h>
   2 #include <msp/fs/utils.h>
   3 #include <msp/io/print.h>
   4 #include <msp/strings/regex.h>
   5 #include "builder.h"
   6 #include "component.h"
   7 #include "csourcefile.h"
   8 #include "sourcepackage.h"
   9
  10 using namespace std;
  11 using namespace Msp;
  12
  13 CSourceFile::CSourceFile(Builder &b, const FS::Path &p):
  14         SourceFile(b, 0, p)
  15 { }
  16
  17 CSourceFile::CSourceFile(Builder &b, const Component &c, const FS::Path &p):
  18         SourceFile(b, &c, p)
  19 {
  20         string ext = FS::extpart(FS::basename(path));
  21         if(ext==".h" || ext==".H" || ext==".hpp")
  22                 install_location = "include/"+comp->get_name();
  23 }
  24
  25 void CSourceFile::find_depends()
  26 {
  27         if(!comp)
  28                 return;
  29
  30         const SourcePackage &spkg = comp->get_package();
  31         string relname = FS::relative(path, spkg.get_source()).str();
  32
  33         DependencyCache &deps_cache = spkg.get_deps_cache();
  34         if(mtime<deps_cache.get_mtime() && deps_cache.has_deps(relname))
  35                 includes = deps_cache.get_deps(relname);
  36         else
  37         {
  38                 try
  39                 {
  40                         IO::BufferedFile in(path.str());
  41
  42                         if(builder.get_verbose()>=4)
  43                                 IO::print("Reading includes from %s\n", path.str());
  44
  45                         Regex r_include("^[ \t]*#include[ \t]+([\"<].*)[\">]");
  46
  47                         string line;
  48                         while(in.getline(line))
  49                                 if(RegMatch match = r_include.match(line))
  50                                         includes.push_back(match[1].str);
  51
  52                         deps_cache.set_deps(relname, includes);
  53                 }
  54                 catch(const IO::file_not_found &)
  55                 {
  56                         if(builder.get_verbose()>=4)
  57                                 IO::print("Failed to read includes from %s\n", path.str());
  58                         return;
  59                 }
  60         }
  61
  62         const StringList &incpath = comp->get_build_info().incpath;
  63
  64         FS::Path dir = FS::dirname(path);
  65         for(list<string>::iterator i=includes.begin(); i!=includes.end(); ++i)
  66         {
  67                 Target *hdr = builder.get_vfs().find_header(*i, dir, incpath);
  68                 if(hdr)
  69                         add_depend(hdr);
  70         }
  71 }