1 #include <msp/core/algorithm.h>
2 #include <msp/fs/stat.h>
3 #include <msp/fs/utils.h>
5 #include "filetarget.h"
6 #include "sourcepackage.h"
14 Target::Target(Builder &b, const string &n):
18 builder.get_build_graph().add_target(this);
21 void Target::add_dependency(Target &dep)
24 throw invalid_argument("Target::add_depend");
25 depends.push_back(&dep);
27 dep.signal_bubble_rebuild.connect(sigc::mem_fun(this, &Target::check_rebuild));
30 void Target::add_transitive_dependency(Target &dep)
33 throw invalid_argument("Target::add_transitive_dependency");
34 trans_depends.push_back(&dep);
37 void Target::add_side_effect(Target &se)
39 side_effects.push_back(&se);
42 se.primary_target = this;
43 /* Side effects are checked for rebuild after the primary target. Recheck
44 the primary if a side effect is marked for rebuild. */
45 se.signal_bubble_rebuild.connect(sigc::mem_fun(this, &Target::check_rebuild));
48 Target *Target::get_buildable_target()
51 return primary_target->get_buildable_target();
55 bool self_ok = state!=BUILDING;
56 for(Target *d: depends)
58 // Avoid infinite recursion if a target depends on its own side effect
59 if(any_equals(side_effects, d))
62 Target *tgt = d->get_buildable_target();
65 else if(d->needs_rebuild())
75 void Target::set_tool(Tool &t)
78 for(Target *s: side_effects)
82 void Target::collect_build_info(BuildInfo &binfo) const
85 binfo.update_from(tool->get_build_info());
87 binfo.update_from(component->get_build_info());
89 binfo.update_from(package->get_build_info());
92 void Target::force_rebuild()
95 throw logic_error("Target::force_rebuild");
96 mark_rebuild("Forced rebuild");
99 void Target::mark_rebuild(const string &reason)
102 throw invalid_argument("No reason given for rebuilding "+name);
105 rebuild_reason = reason;
107 builder.get_logger().log("rebuild", "Rebuilding %s: %s", name, reason);
109 signal_bubble_rebuild.emit();
112 void Target::prepare()
118 builder.get_logger().log("problems", "Dependency cycle detected at %s", name);
119 problems.push_back("Dependency cycle detected");
125 /* Prepare existing dependencies early, because their information may be
126 needed to find other dependencies. */
127 for(Target *d: depends)
133 bool broken = !problems.empty();
137 if(FileTarget *tool_exe = tool->get_executable())
138 add_dependency(*tool_exe);
139 broken |= tool->is_broken();
141 // Only check package and component brokenness for buildable targets
142 broken |= (package && package->is_broken());
143 broken |= (component && component->is_broken());
146 /* Now that all dependencies are known, prepare them again. This will do
147 nothing to already prepared targets. */
148 for(Target *d: depends)
151 broken |= d->is_broken();
153 for(Target *d: trans_depends)
159 else if(state==PREPARING)
162 for(Target *d: depends)
163 d->signal_bubble_rebuild.connect(sigc::mem_fun(this, &Target::check_rebuild));
166 Task *Target::build()
169 return primary_target->build();
171 Task *task = tool->run(*this);
172 task->signal_finished.connect(sigc::mem_fun(this, &Target::build_finished));
176 for(Target *s: side_effects)
182 void Target::build_finished(bool success)
188 for(Target *s: side_effects)
189 s->build_finished(success);
190 signal_modified.emit();