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         DependencyCache &deps_cache = spkg.get_deps_cache();
  33         bool deps_found = false;
  34         if(mtime<deps_cache.get_mtime())
  35         {
  36                 try
  37                 {
  38                         includes = deps_cache.get_deps(relname);
  39                         deps_found = true;
  40                 }
  41                 catch(const key_error &)
  42                 { }
  43         }
  44
  45         if(!deps_found)
  46         {
  47                 try
  48                 {
  49                         IO::BufferedFile in(path.str());
  50
  51                         if(builder.get_verbose()>=4)
  52                                 IO::print("Reading includes from %s\n", path.str());
  53
  54                         Regex r_include("^[ \t]*#include[ \t]+([\"<].*)[\">]");
  55
  56                         string line;
  57                         while(in.getline(line))
  58                                 if(RegMatch match = r_include.match(line))
  59                                         includes.push_back(match[1].str);
  60
  61                         deps_cache.set_deps(relname, includes);
  62                 }
  63                 catch(const IO::file_not_found &)
  64                 {
  65                         if(builder.get_verbose()>=4)
  66                                 IO::print("Failed to read includes from %s\n", path.str());
  67                         return;
  68                 }
  69         }
  70
  71         const StringList &incpath = comp->get_build_info().incpath;
  72
  73         FS::Path dir = FS::dirname(path);
  74         for(list<string>::iterator i=includes.begin(); i!=includes.end(); ++i)
  75         {
  76                 Target *hdr = builder.get_vfs().find_header(*i, dir, incpath);
  77                 if(hdr)
  78                         add_depend(hdr);
  79         }
  80 }