source/sourcefile.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 "sourcefile.h"
   8 #include "sourcepackage.h"
   9
  10 using namespace std;
  11 using namespace Msp;
  12
  13 SourceFile::SourceFile(Builder &b, const FS::Path &p):
  14         FileTarget(b, 0, p),
  15         comp(0)
  16 { }
  17
  18 SourceFile::SourceFile(Builder &b, const Component &c, const FS::Path &p):
  19         FileTarget(b, &c.get_package(), p),
  20         comp(&c)
  21 {
  22         string ext = FS::extpart(FS::basename(path));
  23         if(ext==".h" || ext==".H" || ext==".hpp")
  24                 install_location = "include/"+comp->get_name();
  25 }
  26
  27 void SourceFile::find_depends()
  28 {
  29         if(!comp)
  30         {
  31                 deps_ready = true;
  32                 return;
  33         }
  34
  35         const SourcePackage &spkg = comp->get_package();
  36         string relname = FS::relative(path, spkg.get_source()).str();
  37         DependencyCache &deps_cache = spkg.get_deps_cache();
  38         bool deps_found = false;
  39         if(mtime<deps_cache.get_mtime())
  40         {
  41                 try
  42                 {
  43                         includes = deps_cache.get_deps(relname);
  44                         deps_found = true;
  45                 }
  46                 catch(const key_error &)
  47                 { }
  48         }
  49
  50         if(!deps_found)
  51         {
  52                 try
  53                 {
  54                         IO::BufferedFile in(path.str());
  55
  56                         if(builder.get_verbose()>=4)
  57                                 IO::print("Reading includes from %s\n", path.str());
  58
  59                         Regex r_include("^[ \t]*#include[ \t]+([\"<].*)[\">]");
  60
  61                         string line;
  62                         while(in.getline(line))
  63                                 if(RegMatch match = r_include.match(line))
  64                                         includes.push_back(match[1].str);
  65
  66                         deps_cache.set_deps(relname, includes);
  67                 }
  68                 catch(const IO::file_not_found &)
  69                 {
  70                         if(builder.get_verbose()>=4)
  71                                 IO::print("Failed to read includes from %s\n", path.str());
  72                         deps_ready = true;
  73                         return;
  74                 }
  75         }
  76
  77         const StringList &incpath = comp->get_build_info().incpath;
  78
  79         FS::Path dir = FS::dirname(path);
  80         for(list<string>::iterator i=includes.begin(); i!=includes.end(); ++i)
  81         {
  82                 Target *hdr = builder.get_vfs().find_header(*i, dir, incpath);
  83                 if(hdr)
  84                         add_depend(hdr);
  85         }
  86
  87         deps_ready = true;
  88 }