source/component.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 <msp/core/except.h>
   9 #include <msp/fs/dir.h>
  10 #include <msp/fs/stat.h>
  11 #include <msp/fs/utils.h>
  12 #include <msp/io/print.h>
  13 #include <msp/strings/lexicalcast.h>
  14 #include "builder.h"
  15 #include "component.h"
  16 #include "datafile.h"
  17 #include "executable.h"
  18 #include "file.h"
  19 #include "header.h"
  20 #include "install.h"
  21 #include "objectfile.h"
  22 #include "sharedlibrary.h"
  23 #include "sourcepackage.h"
  24 #include "staticlibrary.h"
  25 #include "tarball.h"
  26 #include "target.h"
  27
  28 using namespace std;
  29 using namespace Msp;
  30
  31 Component::Component(SourcePackage &p, Type t, const string &n):
  32         pkg(p),
  33         type(t),
  34         name(n),
  35         install(false),
  36         module_host(0),
  37         modular(false),
  38         deflt(true)
  39 { }
  40
  41 void Component::create_build_info()
  42 {
  43         build_info.add(pkg.get_build_info());
  44
  45         for(PackageList::iterator i=requires.begin(); i!=requires.end(); ++i)
  46                 build_info.add((*i)->get_exported_binfo());
  47
  48         for(StringList::iterator i=build_info.incpath.begin(); i!=build_info.incpath.end(); ++i)
  49                 *i=(pkg.get_source() / *i).str();
  50         for(StringList::iterator i=build_info.libpath.begin(); i!=build_info.libpath.end(); ++i)
  51                 *i=(pkg.get_source() / *i).str();
  52
  53         if(pkg.get_library_mode()!=DYNAMIC)
  54         {
  55                 // XXX This may pull in some unnecessary libpaths too.  More thought required.
  56                 PackageList reqs=pkg.collect_requires();
  57                 for(PackageList::iterator i=reqs.begin(); i!=reqs.end(); ++i)
  58                 {
  59                         const BuildInfo &ebi=(*i)->get_exported_binfo();
  60                         build_info.libpath.insert(build_info.libpath.end(), ebi.libpath.begin(), ebi.libpath.end());
  61                 }
  62         }
  63
  64         if(type==PROGRAM)
  65         {
  66                 string strip=pkg.get_config().get_option("strip").value;
  67                 if(lexical_cast<bool>(strip))
  68                         build_info.ldflags.push_back("-s");
  69         }
  70
  71         if(modular)
  72         {
  73                 build_info.ldflags.push_back("-rdynamic");
  74                 build_info.libs.push_back("dl");
  75         }
  76         else if(module_host)
  77         {
  78                 const PathList &host_src=module_host->get_sources();
  79                 for(PathList::const_iterator i=host_src.begin(); i!=host_src.end(); ++i)
  80                         build_info.incpath.push_back(i->str());
  81         }
  82
  83         build_info.unique();
  84 }
  85
  86 void Component::create_targets() const
  87 {
  88         Builder &builder=pkg.get_builder();
  89         Target *world=builder.get_target("world");
  90         Target *def_tgt=builder.get_target("default");
  91
  92         PathList files=collect_source_files();
  93         list<FileTarget *> inst_list;
  94
  95         string inst_loc;
  96         if(type==TARBALL)
  97         {
  98                 string tarname=name;
  99                 if(name=="@src")
 100                         tarname=pkg.get_name()+"-"+pkg.get_version();
 101                 TarBall *result=new TarBall(builder, pkg, tarname);
 102
 103                 if(name=="@src")
 104                 {
 105                         const TargetMap &targets=builder.get_targets();
 106                         for(TargetMap::const_iterator i=targets.begin(); i!=targets.end(); ++i)
 107                                 if(i->second->get_package()==&pkg && !i->second->is_buildable())
 108                                         result->add_depend(i->second);
 109                         files.push_back(pkg.get_source()/"Build");
 110                 }
 111
 112                 for(PathList::const_iterator i=files.begin(); i!=files.end(); ++i)
 113                 {
 114                         FileTarget *ft;
 115                         if(Target *tgt=builder.get_target(i->str()))
 116                                 ft=dynamic_cast<FileTarget *>(tgt);
 117                         else
 118                                 ft=new File(builder, *i);
 119                         result->add_depend(ft);
 120                 }
 121
 122                 Target *tarbls_tgt=builder.get_target("tarballs");
 123                 tarbls_tgt->add_depend(result);
 124
 125                 return;
 126         }
 127         else if(type==INSTALL)
 128         {
 129                 inst_loc=name;
 130                 for(PathList::const_iterator i=files.begin(); i!=files.end(); ++i)
 131                 {
 132                         FileTarget *ft;
 133                         if(Target *tgt=builder.get_target(i->str()))
 134                                 ft=dynamic_cast<FileTarget *>(tgt);
 135                         else
 136                                 ft=new File(builder, pkg, *i);
 137                         inst_list.push_back(ft);
 138                 }
 139         }
 140         else if(type==DATAFILE)
 141         {
 142                 File *source;
 143                 if(Target *tgt=builder.get_target(files.front().str()))
 144                         source=dynamic_cast<File *>(tgt);
 145                 else
 146                         source=new File(builder, pkg, files.front());
 147                 ::DataFile *result=new ::DataFile(builder, *this, *source);
 148                 inst_list.push_back(result);
 149         }
 150         else
 151         {
 152                 for(PathList::const_iterator i=files.begin(); i!=files.end(); ++i)
 153                 {
 154                         string ext=FS::extpart(FS::basename(*i));
 155                         if(ext==".h")
 156                         {
 157                                 FileTarget *hdr=dynamic_cast<FileTarget *>(builder.get_target(i->str()));
 158                                 if(!hdr)
 159                                         hdr=new Header(builder, *this, i->str());
 160
 161                                 // Install headers if requested
 162                                 if(type==HEADERS && install)
 163                                         inst_list.push_back(hdr);
 164                         }
 165                 }
 166         }
 167
 168         if(type==PROGRAM || type==LIBRARY || type==MODULE)
 169         {
 170                 list<ObjectFile *> objs;
 171                 for(PathList::const_iterator i=files.begin(); i!=files.end(); ++i)
 172                 {
 173                         string ext=FS::extpart(FS::basename(*i));
 174                         if((ext==".cpp" || ext==".cc" || ext==".c"))
 175                         {
 176                                 SourceFile *src=new SourceFile(builder, *this, i->str());
 177                                 ObjectFile *obj=new ObjectFile(builder, *this, *src);
 178                                 objs.push_back(obj);
 179                         }
 180                 }
 181
 182                 list<FileTarget *> results;
 183                 if(type==LIBRARY)
 184                 {
 185                         results.push_back(new SharedLibrary(builder, *this, objs));
 186                         results.push_back(new StaticLibrary(builder, *this, objs));
 187                 }
 188                 else
 189                         results.push_back(new Executable(builder, *this, objs));
 190
 191                 for(list<FileTarget *>::const_iterator i=results.begin(); i!=results.end(); ++i)
 192                 {
 193                         if(&pkg==builder.get_main_package() && deflt)
 194                                 def_tgt->add_depend(*i);
 195                         else
 196                                 world->add_depend(*i);
 197                         if(install)
 198                                 inst_list.push_back(*i);
 199                 }
 200         }
 201
 202         Target *inst_tgt=builder.get_target("install");
 203         for(list<FileTarget *>::const_iterator i=inst_list.begin(); i!=inst_list.end(); ++i)
 204                 inst_tgt->add_depend(new Install(builder, pkg, **i, inst_loc));
 205 }
 206
 207 PathList Component::collect_source_files() const
 208 {
 209         PathList files;
 210         for(PathList::const_iterator i=sources.begin(); i!=sources.end(); ++i)
 211         {
 212                 if(FS::is_dir(*i))
 213                 {
 214                         list<string> sfiles=list_files(*i);
 215                         for(list<string>::iterator j=sfiles.begin(); j!=sfiles.end(); ++j)
 216                                 files.push_back(*i / *j);
 217                 }
 218                 else
 219                         files.push_back(*i);
 220         }
 221
 222         return files;
 223 }
 224
 225
 226 Component::Loader::Loader(Component &c):
 227         comp(c)
 228 {
 229         add("source",          &Loader::source);
 230         add("install",         &Component::install);
 231         add("install_headers", &Loader::install_headers);
 232         add("build_info",      &Loader::build_info);
 233         add("require",         &Loader::require);
 234         add("modular",         &Loader::modular);
 235         add("host",            &Loader::host);
 236         add("default",         &Component::deflt);
 237 }
 238
 239 void Component::Loader::finish()
 240 {
 241         if(!inst_hdr.empty())
 242         {
 243                 Component hdrcomp(comp.pkg, HEADERS, inst_hdr);
 244                 hdrcomp.sources=comp.sources;
 245                 hdrcomp.install=true;
 246                 const_cast<ComponentList &>(comp.pkg.get_components()).push_back(hdrcomp);
 247         }
 248 }
 249
 250 void Component::Loader::source(const string &s)
 251 {
 252         comp.sources.push_back(comp.pkg.get_source()/s);
 253 }
 254
 255 void Component::Loader::require(const string &n)
 256 {
 257         Package *req=comp.pkg.get_builder().get_package(n);
 258         if(req)
 259                 comp.requires.push_back(req);
 260 }
 261
 262 void Component::Loader::modular()
 263 {
 264         if(comp.type!=PROGRAM)
 265                 throw Exception("Only programs can be modular");
 266         comp.modular=true;
 267 }
 268
 269 void Component::Loader::host(const string &n)
 270 {
 271         const ComponentList &comps=comp.pkg.get_components();
 272         for(ComponentList::const_iterator i=comps.begin(); i!=comps.end(); ++i)
 273                 if(i->get_name()==n)
 274                 {
 275                         if(i->get_type()!=PROGRAM || !i->is_modular())
 276                                 throw Exception("Module host must be a modular program");
 277                         comp.module_host=&*i;
 278                         return;
 279                 }
 280
 281         throw KeyError("Unknown component", n);
 282 }
 283
 284 void Component::Loader::install_headers(const string &p)
 285 {
 286         IO::print("%s: Note: install_headers is deprecated\n", get_source());
 287         if(comp.type==HEADERS)
 288         {
 289                 comp.name=p;
 290                 comp.install=true;
 291         }
 292         else
 293                 inst_hdr=p;
 294 }
 295
 296 void Component::Loader::build_info()
 297 {
 298         load_sub(comp.build_info);
 299 }