source/sourcefile.cpp

   1 #include <fstream>
   2 #include <msp/strings/regex.h>
   3 #include "builder.h"
   4 #include "component.h"
   5 #include "package.h"
   6 #include "sourcefile.h"
   7
   8 using namespace std;
   9 using namespace Msp;
  10
  11 SourceFile::SourceFile(Builder &b, const Component *c, const string &n):
  12         Target(b, c?&c->get_package():0, n),
  13         comp(c)
  14 { }
  15
  16 /**
  17 Parses include directives from the file and looks up the appropriate targets
  18 from Builder.
  19 */
  20 void SourceFile::find_depends()
  21 {
  22         ifstream in(name.c_str());
  23         if(!in) return;
  24
  25         Regex r_include("^[ \t]*#include[ \t]+([\"<].*)[\">]");
  26
  27         string line;
  28         while(getline(in, line))
  29                 if(RegMatch match=r_include.match(line))
  30                         includes.push_back(match[1].str);
  31
  32         const StringList &incpath=comp->get_build_info().incpath;
  33         const string &arch=comp->get_package().get_arch();
  34
  35         string path=name.substr(0, name.rfind('/'));
  36         for(list<string>::iterator i=includes.begin(); i!=includes.end(); ++i)
  37         {
  38                 Target *hdr=builder.get_header(*i, arch, path, incpath);
  39                 if(hdr)
  40                         add_depend(hdr);
  41         }
  42
  43         deps_ready=true;
  44 }