X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Ftarget.cpp;h=691f70038e932bb79df4f71567cd72eb1f197899;hb=766dad2d4f7ca73dc182f22e306ba0def6fd8722;hp=b24013aaf55eabb094c72ef912480a956c6a9ae8;hpb=242c55b17e6608b29a77ca17a5b677e202a3ca90;p=builder.git diff --git a/source/target.cpp b/source/target.cpp index b24013a..691f700 100644 --- a/source/target.cpp +++ b/source/target.cpp @@ -1,53 +1,61 @@ -/* $Id$ - -This file is part of builder -Copyright © 2006-2009 Mikko Rasa, Mikkosoft Productions -Distributed under the LGPL -*/ - #include #include -#include -#include "action.h" +#include #include "builder.h" -#include "package.h" +#include "filetarget.h" #include "sourcepackage.h" #include "target.h" +#include "task.h" +#include "tool.h" using namespace std; using namespace Msp; -Target::Target(Builder &b, const Package *p, const string &n): +Target::Target(Builder &b, const string &n): builder(b), - package(p), + package(0), + component(0), name(n), - buildable(false), - building(false), - rebuild(false), - deps_ready(false), - prepared(false), - counted(false) + tool(0), + state(INIT), + primary_target(0) +{ + builder.get_build_graph().add_target(this); +} + +void Target::add_dependency(Target &dep) { - builder.add_target(this); + if(&dep==this) + throw invalid_argument("Target::add_depend"); + depends.push_back(&dep); + if(state>PREPARING) + dep.signal_bubble_rebuild.connect(sigc::mem_fun(this, &Target::check_rebuild)); +} - struct stat st; - if(!FS::stat(name, st)) - mtime=Time::TimeStamp::from_unixtime(st.st_mtime); +void Target::add_side_effect(Target &se) +{ + side_effects.push_back(&se); + se.add_dependency(*this); + if(tool) + se.set_tool(*tool); + se.primary_target = this; } Target *Target::get_buildable_target() { - if(!rebuild) + if(primary_target) + return primary_target->get_buildable_target(); + if(!needs_rebuild()) return 0; - bool self_ok=!building; - for(TargetList::iterator i=depends.begin(); i!=depends.end(); ++i) + bool self_ok = state!=BUILDING; + for(Dependencies::iterator i=depends.begin(); i!=depends.end(); ++i) { - Target *tgt=(*i)->get_buildable_target(); + Target *tgt = (*i)->get_buildable_target(); if(tgt) return tgt; - else if((*i)->get_rebuild()) - self_ok=false; + else if((*i)->needs_rebuild()) + self_ok = false; } if(self_ok) @@ -56,99 +64,85 @@ Target *Target::get_buildable_target() return 0; } -void Target::add_depend(Target *dep) +void Target::set_tool(const Tool &t) { - if(dep==this) - throw InvalidParameterValue("A target can't depend on itself"); - depends.push_back(dep); - dep->rdepends.push_back(this); + tool = &t; + for(Dependencies::const_iterator i=side_effects.begin(); i!=side_effects.end(); ++i) + (*i)->set_tool(t); } -void Target::prepare() +void Target::force_rebuild() { - if(prepared) - return; + if(!is_buildable()) + throw logic_error("Target::force_rebuild"); + mark_rebuild("Forced rebuild"); +} - prepared=true; - for(TargetList::iterator i=depends.begin(); i!=depends.end(); ++i) - (*i)->prepare(); +void Target::mark_rebuild(const string &reason) +{ + if(reason.empty()) + throw invalid_argument("No reason given for rebuilding "+name); - check_rebuild(); + state = REBUILD; + rebuild_reason = reason; + builder.get_logger().log("rebuild", format("Rebuilding %s: %s", name, reason)); + + signal_bubble_rebuild.emit(); } -Action *Target::build() +void Target::prepare() { - if(!buildable) + if(state>PREPARING) + return; + if(state==PREPARING) { - rebuild=false; - return 0; + builder.problem((package ? package->get_name() : string()), "Dependency cycle detected at "+name); + return; } - if(!builder.get_dry_run() && FS::exists(name)) - FS::unlink(name); - - Action *action=create_action(); - if(action) + state = PREPARING; + find_dependencies(); + if(tool) { - action->signal_done.connect(sigc::mem_fun(this, &Target::build_done)); - - building=true; + if(FileTarget *tool_exe = tool->get_executable()) + add_dependency(*tool_exe); } - return action; -} - -unsigned Target::count_rebuild() -{ - if(counted) - return 0; - - counted=true; - unsigned count=rebuild; - for(TargetList::iterator i=depends.begin(); i!=depends.end(); ++i) - count+=(*i)->count_rebuild(); - return count; -} + for(Dependencies::iterator i=depends.begin(); i!=depends.end(); ++i) + (*i)->prepare(); -void Target::touch() -{ - mtime=Time::now(); -} + check_rebuild(); + if(state==PREPARING) + state = UPTODATE; -void Target::mark_rebuild(const std::string &reason) -{ - rebuild=true; - rebuild_reason=reason; + for(Dependencies::iterator i=depends.begin(); i!=depends.end(); ++i) + (*i)->signal_bubble_rebuild.connect(sigc::mem_fun(this, &Target::check_rebuild)); } -void Target::check_rebuild() +Task *Target::build() { - if(!buildable) - return; - - if(builder.get_build_all()) - mark_rebuild("Rebuilding everything"); - else if(!mtime) - mark_rebuild("Does not exist"); - else + if(!tool) { - for(TargetList::iterator i=depends.begin(); (i!=depends.end() && !rebuild); ++i) - { - if((*i)->get_mtime()>mtime) - mark_rebuild(FS::basename((*i)->get_name())+" has changed"); - else if((*i)->get_rebuild()) - mark_rebuild(FS::basename((*i)->get_name())+" needs rebuilding"); - } + // This special case is needed for VirtualTargets + state = UPTODATE; + return 0; } - const SourcePackage *spkg=dynamic_cast(package); - if(!rebuild && spkg && spkg->get_config().get_mtime()>mtime) - mark_rebuild("Package options changed"); + Task *task = tool->run(*this); + task->signal_finished.connect(sigc::mem_fun(this, &Target::build_finished)); + state = BUILDING; + + return task; } -void Target::build_done() +void Target::build_finished(bool success) { - building=false; - rebuild=false; + state = UPTODATE; + if(success) + { + modified(); + for(Dependencies::const_iterator i=side_effects.begin(); i!=side_effects.end(); ++i) + (*i)->build_finished(success); + } }