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         if(out_suffixes.empty())
  28                 throw logic_error("No output suffixes");
  29
  30         TemplateFile &tmpl = dynamic_cast<TemplateFile &>(*sources.front());
  31         const Component *comp = tmpl.get_component();
  32         const SourcePackage *pkg = tmpl.get_package();
  33         string base = FS::basepart(FS::basename(tmpl.get_path()));
  34
  35         Target *primary = 0;
  36         for(list<string>::const_iterator i=out_suffixes.begin(); i!=out_suffixes.end(); ++i)
  37         {
  38                 Tool *tool = builder.get_toolchain().get_tool_for_suffix(*i, true);
  39                 if(tool)
  40                 {
  41                         FS::Path fn = pkg->get_temp_directory()/comp->get_name()/(base+*i);
  42                         Target *target = tool->create_source(*comp, fn);
  43                         target->set_tool(*this);
  44                         target->add_dependency(tmpl);
  45                         if(primary)
  46                                 primary->add_side_effect(*target);
  47                         else
  48                                 primary = target;
  49                 }
  50                 else
  51                         throw runtime_error("No tool found for suffix "+*i);
  52         }
  53
  54         return primary;
  55 }
  56
  57 Task *SourceGenerator::run(const Target &target) const
  58 {
  59         const SourceFile &out_src = dynamic_cast<const SourceFile &>(target);
  60         const FS::Path &work_dir = out_src.get_package()->get_source_directory();
  61
  62         vector<string> args;
  63         args.push_back(executable->get_path().str());
  64         args.insert(args.end(), arguments.begin(), arguments.end());
  65
  66         const Target::Dependencies &deps = target.get_dependencies();
  67         for(Target::Dependencies::const_iterator i=deps.begin(); i!=deps.end(); ++i)
  68                 if(const TemplateFile *tmpl = dynamic_cast<const TemplateFile *>(*i))
  69                         args.push_back(FS::relative(tmpl->get_path(), work_dir).str());
  70
  71         args.push_back(FS::relative(out_src.get_path(), work_dir).str());
  72
  73         return new ExternalTask(args, work_dir);
  74 }
  75
  76
  77 SourceGenerator::Loader::Loader(SourceGenerator &sg):
  78         DataFile::ObjectLoader<SourceGenerator>(sg),
  79         ConditionalLoader(sg.package, format("%s/%s", sg.package.get_name(), sg.tag))
  80 {
  81         add("argument",   &Loader::argument);
  82         add("command",    &Loader::command);
  83         add("in_suffix",  &Loader::in_suffix);
  84         add("out_suffix", &Loader::out_suffix);
  85 }
  86
  87 void SourceGenerator::Loader::argument(const string &a)
  88 {
  89         obj.arguments.push_back(a);
  90 }
  91
  92 void SourceGenerator::Loader::command(const string &c)
  93 {
  94         obj.set_command((obj.package.get_source_directory()/c).str());
  95 }
  96
  97 void SourceGenerator::Loader::in_suffix(const string &s)
  98 {
  99         obj.input_suffixes.push_back(s);
 100 }
 101
 102 void SourceGenerator::Loader::out_suffix(const string &s)
 103 {
 104         obj.out_suffixes.push_back(s);
 105 }