source/sourcefile.cpp

   1 /* $Id$
   2
   3 This file is part of builder
   4 Copyright © 2006-2009  Mikko Rasa, Mikkosoft Productions
   5 Distributed under the LGPL
   6 */
   7
   8 #include <iostream>
   9 #include <msp/fs/utils.h>
  10 #include <msp/io/except.h>
  11 #include <msp/strings/regex.h>
  12 #include "builder.h"
  13 #include "component.h"
  14 #include "sourcefile.h"
  15 #include "sourcepackage.h"
  16
  17 using namespace std;
  18 using namespace Msp;
  19
  20 SourceFile::SourceFile(Builder &b, const Component *c, const FS::Path &p):
  21         FileTarget(b, (c ? &c->get_package() : 0), p),
  22         comp(c)
  23 { }
  24
  25 void SourceFile::find_depends()
  26 {
  27         if(!comp)
  28                 return;
  29
  30         const SourcePackage &spkg=comp->get_package();
  31         string relname=FS::relative(name, 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 KeyError &)
  42                 { }
  43         }
  44
  45         if(!deps_found)
  46         {
  47                 try
  48                 {
  49                         IO::BufferedFile in(name);
  50
  51                         if(builder.get_verbose()>=4)
  52                                 cout<<"Reading includes from "<<name<<'\n';
  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::FileNotFound &)
  64                 {
  65                         return;
  66                 }
  67         }
  68
  69         const StringList &incpath=comp->get_build_info().incpath;
  70
  71         FS::Path dir=FS::dirname(path);
  72         for(list<string>::iterator i=includes.begin(); i!=includes.end(); ++i)
  73         {
  74                 Target *hdr=builder.get_header(*i, dir, incpath);
  75                 if(hdr)
  76                         add_depend(hdr);
  77         }
  78
  79         deps_ready=true;
  80 }