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 "sourcegenerator.h"
   6 #include "sourcepackage.h"
   7 #include "templatefile.h"
   8
   9 using namespace std;
  10 using namespace Msp;
  11
  12 SourceGenerator::SourceGenerator(Builder &b, const SourcePackage &p, const string &t):
  13         Tool(b, t),
  14         package(p)
  15 {
  16         set_run_external(&_run);
  17 }
  18
  19 Target *SourceGenerator::create_source(const Component &comp, const FS::Path &path) const
  20 {
  21         return new TemplateFile(builder, comp, path);
  22 }
  23
  24 Target *SourceGenerator::create_target(const vector<Target *> &sources, const string &)
  25 {
  26         if(sources.empty())
  27                 throw invalid_argument("SourceGenerator::create_target");
  28         if(out_suffixes.empty())
  29                 throw logic_error("No output suffixes");
  30
  31         TemplateFile &tmpl = dynamic_cast<TemplateFile &>(*sources.front());
  32         const Component *comp = tmpl.get_component();
  33         const SourcePackage *pkg = tmpl.get_package();
  34         FS::Path subdir;
  35         string base;
  36         if(processing_unit==COMPONENT)
  37                 base = comp->get_name();
  38         else
  39         {
  40                 subdir = FS::dirname(FS::relative(tmpl.get_path(), pkg->get_source_directory()));
  41                 if(processing_unit==ONE_FILE)
  42                         base = FS::basepart(FS::basename(tmpl.get_path()));
  43                 else if(processing_unit==DIRECTORY)
  44                 {
  45                         base = FS::basename(subdir);
  46                         subdir = FS::dirname(subdir);
  47                 }
  48         }
  49
  50         Target *primary = 0;
  51         for(const string &s: out_suffixes)
  52         {
  53                 Tool *tool = builder.get_toolchain().get_tool_for_suffix(s, true);
  54                 if(tool)
  55                 {
  56                         FS::Path fn = pkg->get_temp_directory()/"generated"/subdir/(base+s);
  57                         Target *target = tool->create_source(*comp, fn);
  58                         target->set_tool(*this);
  59                         for(Target *t: sources)
  60                                 target->add_dependency(*t);
  61                         if(primary)
  62                                 primary->add_side_effect(*target);
  63                         else
  64                                 primary = target;
  65                 }
  66                 else
  67                         throw runtime_error("No tool found for suffix "+s);
  68         }
  69
  70         return primary;
  71 }
  72
  73 ExternalTask::Arguments SourceGenerator::_run(const SourceFile &out_src, FS::Path &work_dir)
  74 {
  75         const SourceGenerator &tool = dynamic_cast<const SourceGenerator &>(*out_src.get_tool());
  76
  77         vector<string> args;
  78         args.push_back(tool.get_executable()->get_path().str());
  79         args.insert(args.end(), tool.arguments.begin(), tool.arguments.end());
  80
  81         for(const Target *d: out_src.get_dependencies())
  82                 if(const TemplateFile *tmpl = dynamic_cast<const TemplateFile *>(d))
  83                         args.push_back(FS::relative(tmpl->get_path(), work_dir).str());
  84
  85         if(!tool.out_argument.empty())
  86                 args.push_back(tool.out_argument);
  87         args.push_back(FS::relative(out_src.get_path(), work_dir).str());
  88
  89         return args;
  90 }
  91
  92
  93 SourceGenerator::Loader::Loader(SourceGenerator &sg):
  94         DataFile::ObjectLoader<SourceGenerator>(sg),
  95         ConditionalLoader(sg.package, format("%s/%s", sg.package.get_name(), sg.tag))
  96 {
  97         add("argument",   &Loader::argument);
  98         add("arguments",  &Loader::arguments);
  99         add("command",    &Loader::command);
 100         add("in_suffix",  &Loader::in_suffix);
 101         add("out_argument", &SourceGenerator::out_argument);
 102         add("out_suffix", &Loader::out_suffix);
 103         add("processing_unit", static_cast<ProcessingUnit SourceGenerator::*>(&SourceGenerator::processing_unit));
 104 }
 105
 106 void SourceGenerator::Loader::argument(const string &a)
 107 {
 108         obj.arguments.push_back(a);
 109 }
 110
 111 void SourceGenerator::Loader::arguments(const vector<string> &a)
 112 {
 113         obj.arguments.insert(obj.arguments.end(), a.begin(), a.end());
 114 }
 115
 116 void SourceGenerator::Loader::command(const string &c)
 117 {
 118         if(c.find('/')!=string::npos)
 119                 obj.set_command((obj.package.get_source_directory()/c).str());
 120         else
 121                 obj.set_command(c);
 122 }
 123
 124 void SourceGenerator::Loader::in_suffix(const string &s)
 125 {
 126         obj.input_suffixes.push_back(s);
 127 }
 128
 129 void SourceGenerator::Loader::out_suffix(const string &s)
 130 {
 131         obj.out_suffixes.push_back(s);
 132 }