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, 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 = FS::Path("include")/package->get_name();
  23 }
  24
  25 void CSourceFile::parse_includes(IO::Base &in)
  26 {
  27         static Regex r_include("^[ \t]*#include[ \t]+([\"<].*)[\">]");
  28
  29         string line;
  30         while(in.getline(line))
  31                 if(RegMatch match = r_include.match(line))
  32                         includes.push_back(match[1].str);
  33 }
  34
  35 void CSourceFile::find_dependencies()
  36 {
  37         if(!component || !mtime)
  38                 return;
  39
  40         const SourcePackage &spkg = component->get_package();
  41
  42         Cache &cache = spkg.get_cache();
  43         if(mtime<cache.get_mtime() && cache.has_key(this, "includes"))
  44                 includes = cache.get_values(this, "includes");
  45         else
  46         {
  47                 IO::BufferedFile in(path.str());
  48
  49                 builder.get_logger().log("files", format("Reading includes from %s", path.str()));
  50
  51                 parse_includes(in);
  52                 cache.set_values(this, "includes", includes);
  53         }
  54
  55         const BuildInfo &build_info = component->get_build_info_for_path(path);
  56         const BuildInfo::PathList &incpath = build_info.incpath;
  57         BuildInfo::PathList local_incpath = incpath;
  58         local_incpath.insert(local_incpath.begin(), build_info.local_incpath.begin(), build_info.local_incpath.end());
  59         local_incpath.push_front(FS::dirname(path).str());
  60
  61         for(IncludeList::iterator i=includes.begin(); i!=includes.end(); ++i)
  62         {
  63                 Target *hdr = builder.get_vfs().find_header(i->substr(1), ((*i)[0]=='"' ? local_incpath : incpath));
  64                 if(hdr)
  65                         add_dependency(*hdr);
  66         }
  67 }
  68
  69 void CSourceFile::modified()
  70 {
  71         includes.clear();
  72         depends.clear();
  73         find_dependencies();
  74 }