1 #include <msp/core/algorithm.h>
2 #include <msp/fs/stat.h>
3 #include <msp/fs/utils.h>
4 #include <msp/strings/format.h>
5 #include <msp/strings/utils.h>
6 #include <msp/time/utils.h>
8 #include "filetarget.h"
9 #include "sourcepackage.h"
16 FileTarget::FileTarget(Builder &b, const SourcePackage *p, const FS::Path &a):
17 Target(b, generate_name(b, p, a)),
22 builder.get_vfs().register_path(path, this);
27 void FileTarget::stat()
29 if(FS::Stat st = FS::lstat(path))
31 mtime = st.get_modify_time();
36 string FileTarget::generate_name(Builder &builder, const SourcePackage *pkg, const FS::Path &path)
38 if(pkg && FS::descendant_depth(path, pkg->get_source_directory())>=0)
40 FS::Path relpath = FS::relative(path, pkg->get_source_directory());
41 return format("<%s>%s", pkg->get_name(), relpath.str().substr(1));
43 else if(FS::descendant_depth(path, builder.get_prefix())>=0)
45 FS::Path relpath = FS::relative(path, builder.get_prefix());
46 return "<prefix>"+relpath.str().substr(1);
52 void FileTarget::touch()
56 signal_bubble_rebuild.emit();
59 void FileTarget::check_rebuild()
61 if(!tool || needs_rebuild())
65 mark_rebuild("Does not exist");
68 for(Target *d: depends)
70 FileTarget *ft = dynamic_cast<FileTarget *>(d);
71 if(ft && ft->get_mtime()>mtime)
72 mark_rebuild(d->get_name()+" has changed");
73 else if(d->needs_rebuild())
74 mark_rebuild(d->get_name()+" needs rebuilding");
82 // Some side effects might not exist
83 auto i = find_if(side_effects, [](const Target *s){ return s->needs_rebuild(); });
84 if(i!=side_effects.end())
85 mark_rebuild((*i)->get_name()+" needs rebuilding");
88 if(!needs_rebuild() && package)
90 if(package->get_config().get_mtime()>mtime)
91 mark_rebuild("Package options changed");
93 if(tool->get_executable())
95 string build_sig = create_build_signature();
96 if(package->get_cache().has_key(this, "build_sig"))
98 if(package->get_cache().get_value(this, "build_sig")!=build_sig)
99 mark_rebuild("Build signature changed");
105 string FileTarget::create_build_signature() const
110 const BuildInfo &binfo = (component ? component->get_build_info() : package->get_build_info());
113 if(arch_in_build_sig)
114 if(const Architecture *arch = tool->get_architecture())
115 sigs.push_back(arch->get_name());
117 sigs.push_back(tool->create_build_signature(binfo));
119 if(nested_build_sig && component)
121 vector<const Tool *> seen_tools;
122 vector<string> tool_sigs;
123 for(Target *d: depends)
124 if(const Tool *t = d->get_tool())
125 if(d->get_component()==component && !any_equals(seen_tools, t))
127 seen_tools.push_back(t);
128 tool_sigs.push_back(t->create_build_signature(binfo));
132 sigs.insert(sigs.end(), make_move_iterator(tool_sigs.begin()), make_move_iterator(tool_sigs.end()));
135 return join(sigs.begin(), sigs.end(), ";");
138 void FileTarget::build(Task &task)
141 task.set_unlink(true);
144 void FileTarget::build_finished(bool success)
151 string build_sig = create_build_signature();
152 if(!build_sig.empty())
153 package->get_cache().set_value(this, "build_sig", build_sig);
157 Target::build_finished(success);
160 void FileTarget::clean()
165 mtime = Time::TimeStamp();