From: Mikko Rasa <tdb@tdb.fi>
Date: Tue, 11 Sep 2007 05:38:44 +0000 (+0000)
Subject: Revamp problem reporting system to be more useful
X-Git-Tag: 0.9~23
X-Git-Url: http://git.tdb.fi/?p=builder.git;a=commitdiff_plain;h=1968c546cfb30214e8dc5afc722bec14aa8373f5

Revamp problem reporting system to be more useful
Rename default_pkg to main_pkg in Builder
---

diff --git a/source/builder.cpp b/source/builder.cpp
index 6ee2101..d466952 100644
--- a/source/builder.cpp
+++ b/source/builder.cpp
@@ -12,6 +12,7 @@ Distributed under the LGPL
 #include <msp/core/getopt.h>
 #include <msp/datafile/parser.h>
 #include <msp/path/utils.h>
+#include <msp/strings/formatter.h>
 #include <msp/strings/utils.h>
 #include <msp/time/units.h>
 #include <msp/time/utils.h>
@@ -35,7 +36,7 @@ using namespace std;
 using namespace Msp;
 
 Builder::Builder(int argc, char **argv):
-	default_pkg(0),
+	main_pkg(0),
 	analyzer(0),
 	build(false),
 	clean(0),
@@ -174,6 +175,9 @@ Package *Builder::get_package(const string &n)
 
 	packages.insert(PackageMap::value_type(n, pkg));
 
+	if(!pkg)
+		problem(n, "not found");
+
 	return pkg;
 }
 
@@ -311,6 +315,11 @@ void Builder::apply_profile_template(Config &config, const string &pt) const
 	}
 }
 
+void Builder::problem(const string &p, const string &d)
+{
+	problems.push_back(Problem(p, d));
+}
+
 /**
 Adds a target to both the target map and the new target queue.  Called from
 Target constructor.
@@ -329,7 +338,7 @@ int Builder::main()
 		return 1;
 	}
 
-	default_pkg->configure(cmdline_options, conf_all?2:1);
+	main_pkg->configure(cmdline_options, conf_all?2:1);
 
 	if(help)
 	{
@@ -339,24 +348,24 @@ int Builder::main()
 		return 0;
 	}
 
-	StringMap problems;
-	for(PackageMap::iterator i=packages.begin(); i!=packages.end(); ++i)
+	if(!conf_only && create_targets())
+		return 1;
+
+	PackageList all_reqs=main_pkg->collect_requires();
+
+	for(PackageList::const_iterator i=all_reqs.begin(); i!=all_reqs.end(); ++i)
 	{
-		SourcePackage *spkg=dynamic_cast<SourcePackage *>(i->second);
+		SourcePackage *spkg=dynamic_cast<SourcePackage *>(*i);
 		string prob;
-		if(!i->second)
-			prob="missing";
-		else if(spkg && spkg->get_arch()!=default_pkg->get_arch())
-			prob="wrong architecture ("+spkg->get_arch()+")";
-		if(!prob.empty())
-			problems.insert(StringMap::value_type(i->first, prob));
+		if(spkg && spkg->get_arch()!=main_pkg->get_arch())
+			problem(spkg->get_name(), format("wrong architecture (%s)", spkg->get_arch()));
 	}
 
 	if(!problems.empty())
 	{
 		cerr<<"The following problems were detected:\n";
-		for(StringMap::iterator i=problems.begin(); i!=problems.end(); ++i)
-			cerr<<"  "<<i->first<<": "<<i->second<<'\n';
+		for(ProblemList::iterator i=problems.begin(); i!=problems.end(); ++i)
+			cerr<<"  "<<i->package<<": "<<i->descr<<'\n';
 		cerr<<"Please fix them and try again.\n";
 		return 1;
 	}
@@ -364,21 +373,18 @@ int Builder::main()
 	if(conf_only)
 		return 0;
 
-	if(create_targets())
-		return 1;
-
-	cout<<packages.size()<<" packages, "<<targets.size()<<" targets\n";
+	cout<<all_reqs.size()<<" active packages, "<<targets.size()<<" targets\n";
 	if(verbose>=2)
 	{
-		for(PackageMap::iterator i=packages.begin(); i!=packages.end(); ++i)
+		for(PackageList::const_iterator i=all_reqs.begin(); i!=all_reqs.end(); ++i)
 		{
-			cout<<' '<<i->second->get_name();
-			if(dynamic_cast<SourcePackage *>(i->second))
+			cout<<' '<<(*i)->get_name();
+			if(dynamic_cast<SourcePackage *>(*i))
 				cout<<'*';
 			unsigned count=0;
 			unsigned ood_count=0;
 			for(TargetMap::iterator j=targets.begin(); j!=targets.end(); ++j)
-				if(j->second->get_package()==i->second)
+				if(j->second->get_package()==*i)
 				{
 					++count;
 					if(j->second->get_rebuild())
@@ -492,9 +498,10 @@ int Builder::create_targets()
 	Target *tarballs=new VirtualTarget(*this, "tarballs");
 	world->add_depend(tarballs);
 
-	for(PackageMap::iterator i=packages.begin(); i!=packages.end(); ++i)
+	PackageList all_reqs=main_pkg->collect_requires();
+	for(PackageList::iterator i=all_reqs.begin(); i!=all_reqs.end(); ++i)
 	{
-		SourcePackage *spkg=dynamic_cast<SourcePackage *>(i->second);
+		SourcePackage *spkg=dynamic_cast<SourcePackage *>(*i);
 		if(!spkg)
 			continue;
 
@@ -736,7 +743,7 @@ int Builder::do_clean()
 		Target *tgt=queue.front();
 		queue.erase(queue.begin());
 
-		if(tgt->get_buildable() && (tgt->get_package()==default_pkg || clean>=2))
+		if(tgt->get_buildable() && (tgt->get_package()==main_pkg || clean>=2))
 			clean_tgts.insert(tgt);
 
 		const TargetList &deps=tgt->get_depends();
@@ -760,11 +767,11 @@ Prints out information about the default package.
 */
 void Builder::package_help()
 {
-	const Config &config=default_pkg->get_config();
+	const Config &config=main_pkg->get_config();
 	const Config::OptionMap &options=config.get_options();
 
 	cout<<"Required packages:\n  ";
-	const PackageList &requires=default_pkg->get_requires();
+	const PackageList &requires=main_pkg->get_requires();
 	for(PackageList::const_iterator i=requires.begin(); i!=requires.end(); ++i)
 	{
 		if(i!=requires.begin())
@@ -815,8 +822,8 @@ void Builder::Loader::profile(const string &n)
 void Builder::Loader::package(const string &n)
 {
 	SourcePackage *pkg=new SourcePackage(bld, n, src);
-	if(!bld.default_pkg)
-		bld.default_pkg=pkg;
+	if(!bld.main_pkg)
+		bld.main_pkg=pkg;
 
 	load_sub(*pkg);
 	bld.packages.insert(PackageMap::value_type(n, pkg));
diff --git a/source/builder.h b/source/builder.h
index 6da42a1..4811493 100644
--- a/source/builder.h
+++ b/source/builder.h
@@ -16,6 +16,7 @@ Distributed under the LGPL
 #include <msp/path/path.h>
 #include "config.h"
 #include "misc.h"
+#include "problem.h"
 #include "target.h"
 
 class Analyzer;
@@ -34,7 +35,7 @@ public:
 	bool     get_dry_run() const   { return dry_run; }
 	bool     get_build_all() const { return build_all; }
 	Package  *get_package(const std::string &);
-	SourcePackage *get_default_package() const { return default_pkg; }
+	SourcePackage *get_main_package() const { return main_pkg; }
 	Target   *get_target(const std::string &) const;
 	const TargetMap &get_targets() const { return targets; }
 	Target   *get_header(const std::string &, const std::string &, const std::string &, const StringList &);
@@ -44,6 +45,7 @@ public:
 	std::string get_tool(const std::string &, const std::string &);
 	void     apply_profile_template(Config &, const std::string &) const;
 	void     add_target(Target *);
+	void     problem(const std::string &, const std::string &);
 	int      main();
 	~Builder();
 
@@ -83,7 +85,7 @@ private:
 	Msp::Path::Path cwd;
 
 	PackageMap   packages;
-	SourcePackage *default_pkg;
+	SourcePackage *main_pkg;
 
 	TargetMap    targets;
 	TargetList   new_tgts;
@@ -94,6 +96,7 @@ private:
 	StringMap    archs;    //< arch -> prefix
 	ProfileTemplateMap profile_tmpl;
 
+	ProblemList     problems;
 	Analyzer        *analyzer;
 	bool            build;
 	unsigned        clean;
diff --git a/source/component.cpp b/source/component.cpp
index e338676..07cd6ea 100644
--- a/source/component.cpp
+++ b/source/component.cpp
@@ -114,7 +114,7 @@ void Component::create_targets() const
 		else
 			exe=new Executable(builder, *this, objs);
 
-		if(&pkg==builder.get_default_package() && deflt)
+		if(&pkg==builder.get_main_package() && deflt)
 		{
 			def_tgt->add_depend(exe);
 			if(slib) def_tgt->add_depend(slib);
diff --git a/source/executable.cpp b/source/executable.cpp
index d1cc59a..0cae259 100644
--- a/source/executable.cpp
+++ b/source/executable.cpp
@@ -5,7 +5,8 @@ Copyright © 2006-2007 Mikko Rasa, Mikkosoft Productions
 Distributed under the LGPL
 */
 
-#include <iostream>
+#include <msp/path/utils.h>
+#include <msp/strings/formatter.h>
 #include "builder.h"
 #include "component.h"
 #include "executable.h"
@@ -59,8 +60,7 @@ void Executable::find_depends()
 					queue.push_back(&stlib->get_component());
 			}
 			else
-				cout<<"Couldn't find library "<<*i<<" for "<<name<<'\n';
-				//XXX Throw an exception here or something
+				builder.problem(comp.get_package().get_name(), format("Couldn't find library %s for %s", *i, Path::basename(name)));
 		}
 	}
 
@@ -89,7 +89,7 @@ we need to pass the value to the Target c'tor.
 */
 string Executable::generate_target_name(const Component &c)
 {
-	string prefix,suffix;
+	string prefix, suffix;
 	const string &arch=c.get_package().get_arch();
 
 	if(c.get_type()==Component::LIBRARY)
diff --git a/source/package.cpp b/source/package.cpp
index 20fec32..c905ee4 100644
--- a/source/package.cpp
+++ b/source/package.cpp
@@ -26,6 +26,26 @@ Package::Package(Builder &b, const string &n):
 	use_pkgconfig(true)
 { }
 
+/**
+Collects all directly and indirectly required packages, including the package
+itself.
+*/
+PackageList Package::collect_requires()
+{
+	PackageList result;
+	result.push_back(this);
+	for(PackageList::const_iterator i=requires.begin(); i!=requires.end(); ++i)
+	{
+		PackageList r=(*i)->collect_requires();
+		result.splice(result.end(), r);
+	}
+
+	result.sort();
+	result.unique();
+
+	return result;
+}
+
 /**
 Processes configuration options that were most likely obtained from the command
 line.
diff --git a/source/package.h b/source/package.h
index a2563bf..4620cf4 100644
--- a/source/package.h
+++ b/source/package.h
@@ -40,6 +40,7 @@ public:
 	const std::string   &get_name() const           { return name; }
 	Builder             &get_builder() const        { return builder; }
 	const PackageList   &get_requires() const       { return requires; }
+	PackageList         collect_requires();
 	const BuildInfo     &get_exported_binfo() const { return export_binfo; }
 
 	/// Indicates whether or not this package supports pkg-config