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         {
  29                 deps_ready = true;
  30                 return;
  31         }
  32
  33         const SourcePackage &spkg = comp->get_package();
  34         string relname = FS::relative(path, spkg.get_source()).str();
  35         DependencyCache &deps_cache = spkg.get_deps_cache();
  36         bool deps_found = false;
  37         if(mtime<deps_cache.get_mtime())
  38         {
  39                 try
  40                 {
  41                         includes = deps_cache.get_deps(relname);
  42                         deps_found = true;
  43                 }
  44                 catch(const key_error &)
  45                 { }
  46         }
  47
  48         if(!deps_found)
  49         {
  50                 try
  51                 {
  52                         IO::BufferedFile in(path.str());
  53
  54                         if(builder.get_verbose()>=4)
  55                                 IO::print("Reading includes from %s\n", path.str());
  56
  57                         Regex r_include("^[ \t]*#include[ \t]+([\"<].*)[\">]");
  58
  59                         string line;
  60                         while(in.getline(line))
  61                                 if(RegMatch match = r_include.match(line))
  62                                         includes.push_back(match[1].str);
  63
  64                         deps_cache.set_deps(relname, includes);
  65                 }
  66                 catch(const IO::file_not_found &)
  67                 {
  68                         if(builder.get_verbose()>=4)
  69                                 IO::print("Failed to read includes from %s\n", path.str());
  70                         deps_ready = true;
  71                         return;
  72                 }
  73         }
  74
  75         const StringList &incpath = comp->get_build_info().incpath;
  76
  77         FS::Path dir = FS::dirname(path);
  78         for(list<string>::iterator i=includes.begin(); i!=includes.end(); ++i)
  79         {
  80                 Target *hdr = builder.get_vfs().find_header(*i, dir, incpath);
  81                 if(hdr)
  82                         add_depend(hdr);
  83         }
  84
  85         deps_ready = true;
  86 }