source/sourcefile.cpp

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