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.empty())
  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         FS::Path subdir;
  34         string base;
  35         if(processing_unit==COMPONENT)
  36                 base = comp->get_name();
  37         else
  38         {
  39                 subdir = FS::dirname(FS::relative(tmpl.get_path(), pkg->get_source_directory()));
  40                 if(processing_unit==ONE_FILE)
  41                         base = FS::basepart(FS::basename(tmpl.get_path()));
  42                 else if(processing_unit==DIRECTORY)
  43                 {
  44                         base = FS::basename(subdir);
  45                         subdir = FS::dirname(subdir);
  46                 }
  47         }
  48
  49         Target *primary = 0;
  50         for(const string &s: out_suffixes)
  51         {
  52                 Tool *tool = builder.get_toolchain().get_tool_for_suffix(s, true);
  53                 if(tool)
  54                 {
  55                         FS::Path fn = pkg->get_temp_directory()/"generated"/subdir/(base+s);
  56                         Target *target = tool->create_source(*comp, fn);
  57                         target->set_tool(*this);
  58                         for(Target *t: sources)
  59                                 target->add_dependency(*t);
  60                         if(primary)
  61                                 primary->add_side_effect(*target);
  62                         else
  63                                 primary = target;
  64                 }
  65                 else
  66                         throw runtime_error("No tool found for suffix "+s);
  67         }
  68
  69         return primary;
  70 }
  71
  72 Task *SourceGenerator::run(const Target &target) const
  73 {
  74         const SourceFile &out_src = dynamic_cast<const SourceFile &>(target);
  75         const FS::Path &work_dir = out_src.get_package()->get_source_directory();
  76
  77         vector<string> args;
  78         args.push_back(executable->get_path().str());
  79         args.insert(args.end(), arguments.begin(), arguments.end());
  80
  81         for(const Target *d: target.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(!out_argument.empty())
  86                 args.push_back(out_argument);
  87         args.push_back(FS::relative(out_src.get_path(), work_dir).str());
  88
  89         return new ExternalTask(args, work_dir);
  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 }