source/sourcegenerator.cpp

   1 #include <msp/fs/utils.h>
   2 #include <msp/strings/format.h>
   3 #include "builder.h"
   4 #include "executable.h"
   5 #include "externaltask.h"
   6 #include "sourcegenerator.h"
   7 #include "sourcepackage.h"
   8 #include "templatefile.h"
   9
  10 using namespace std;
  11 using namespace Msp;
  12
  13 SourceGenerator::SourceGenerator(Builder &b, const SourcePackage &p, const string &t):
  14         Tool(b, t),
  15         package(p)
  16 { }
  17
  18 Target *SourceGenerator::create_source(const Component &comp, const FS::Path &path) const
  19 {
  20         return new TemplateFile(builder, comp, path);
  21 }
  22
  23 Target *SourceGenerator::create_target(const list<Target *> &sources, const string &)
  24 {
  25         if(sources.size()!=1)
  26                 throw invalid_argument("SourceGenerator::create_target");
  27
  28         TemplateFile &tmpl = dynamic_cast<TemplateFile &>(*sources.front());
  29         const Component *comp = tmpl.get_component();
  30         const SourcePackage *pkg = tmpl.get_package();
  31         string base = FS::basepart(FS::basename(tmpl.get_path()));
  32
  33         Target *primary = 0;
  34         for(list<string>::const_iterator i=out_suffixes.begin(); i!=out_suffixes.end(); ++i)
  35         {
  36                 Tool *tool = builder.get_toolchain().get_tool_for_suffix(*i, true);
  37                 if(tool)
  38                 {
  39                         FS::Path fn = pkg->get_temp_directory()/comp->get_name()/(base+*i);
  40                         Target *target = tool->create_source(*comp, fn);
  41                         target->set_tool(*this);
  42                         target->add_dependency(tmpl);
  43                         if(primary)
  44                                 primary->add_side_effect(*target);
  45                         else
  46                                 primary = target;
  47                 }
  48         }
  49
  50         return primary;
  51 }
  52
  53 Task *SourceGenerator::run(const Target &target) const
  54 {
  55         const SourceFile &out_src = dynamic_cast<const SourceFile &>(target);
  56         const FS::Path &work_dir = out_src.get_package()->get_source_directory();
  57
  58         vector<string> args;
  59         args.push_back(executable->get_path().str());
  60
  61         const Target::Dependencies &deps = target.get_dependencies();
  62         for(Target::Dependencies::const_iterator i=deps.begin(); i!=deps.end(); ++i)
  63                 if(const TemplateFile *tmpl = dynamic_cast<const TemplateFile *>(*i))
  64                         args.push_back(FS::relative(tmpl->get_path(), work_dir).str());
  65
  66         args.push_back(FS::relative(out_src.get_path(), work_dir).str());
  67
  68         return new ExternalTask(args, work_dir);
  69 }
  70
  71
  72 SourceGenerator::Loader::Loader(SourceGenerator &sg):
  73         DataFile::ObjectLoader<SourceGenerator>(sg),
  74         ConditionalLoader(sg.package, format("%s/%s", sg.package.get_name(), sg.tag))
  75 {
  76         add("command",    &Loader::command);
  77         add("in_suffix",  &Loader::in_suffix);
  78         add("out_suffix", &Loader::out_suffix);
  79 }
  80
  81 void SourceGenerator::Loader::command(const string &c)
  82 {
  83         obj.set_command((obj.package.get_source_directory()/c).str());
  84 }
  85
  86 void SourceGenerator::Loader::in_suffix(const string &s)
  87 {
  88         obj.input_suffixes.push_back(s);
  89 }
  90
  91 void SourceGenerator::Loader::out_suffix(const string &s)
  92 {
  93         obj.out_suffixes.push_back(s);
  94 }