From: Mikko Rasa <tdb@tdb.fi>
Date: Sat, 7 Jan 2023 13:25:13 +0000 (+0200)
Subject: Create a builder plugin for the setup generator tool
X-Git-Url: http://git.tdb.fi/?p=libs%2Fgame.git;a=commitdiff_plain;h=bb1c22d58cc71e68555a144ac884137c775ef427

Create a builder plugin for the setup generator tool
---

diff --git a/Build b/Build
index 7548a1a..f7385be 100644
--- a/Build
+++ b/Build
@@ -40,4 +40,15 @@ package "mspgame"
 		source "tools/setupgen";
 		install true;
 	};
+
+	module "builder-gametools"
+	{
+		source "tools/builder-plugin";
+		require "builder";
+		install true;
+		install_map
+		{
+			map "." "lib/builder";
+		};
+	};
 };
diff --git a/tools/builder-plugin/gameplugin.cpp b/tools/builder-plugin/gameplugin.cpp
new file mode 100644
index 0000000..7b01b20
--- /dev/null
+++ b/tools/builder-plugin/gameplugin.cpp
@@ -0,0 +1,23 @@
+#include "gameplugin.h"
+#include <msp/builder/toolchain.h>
+#include "gametools.h"
+
+void GamePlugin::add_tools(Toolchain &toolchain, const Architecture &) const
+{
+	toolchain.add_toolchain(new GameTools(builder));
+}
+
+
+#if defined(_WIN32)
+#define GAMETOOLS_API __declspec(dllexport)
+#elif defined(__GNUC__)
+#define GAMETOOLS_API __attribute__((visibility("default")))
+#else
+#define GAMETOOLS_API
+#endif
+
+extern "C"
+GAMETOOLS_API Plugin *create_plugin(Builder &builder)
+{
+	return new GamePlugin(builder);
+}
diff --git a/tools/builder-plugin/gameplugin.h b/tools/builder-plugin/gameplugin.h
new file mode 100644
index 0000000..3e3cdae
--- /dev/null
+++ b/tools/builder-plugin/gameplugin.h
@@ -0,0 +1,14 @@
+#ifndef GAMEPLUGIN_H_
+#define GAMEPLUGIN_H_
+
+#include <msp/builder/plugin.h>
+
+class GamePlugin: public Plugin
+{
+public:
+	GamePlugin(Builder &b): Plugin(b) { }
+
+	void add_tools(Toolchain &, const Architecture &) const override;
+};
+
+#endif
diff --git a/tools/builder-plugin/gamesetupdefinitions.cpp b/tools/builder-plugin/gamesetupdefinitions.cpp
new file mode 100644
index 0000000..a6abd23
--- /dev/null
+++ b/tools/builder-plugin/gamesetupdefinitions.cpp
@@ -0,0 +1,7 @@
+#include "gamesetupdefinitions.h"
+
+using namespace Msp;
+
+GameSetupDefinitions::GameSetupDefinitions(Builder &b, const Component &c, const FS::Path &p):
+	SourceFile(b, c, p)
+{ }
diff --git a/tools/builder-plugin/gamesetupdefinitions.h b/tools/builder-plugin/gamesetupdefinitions.h
new file mode 100644
index 0000000..090b412
--- /dev/null
+++ b/tools/builder-plugin/gamesetupdefinitions.h
@@ -0,0 +1,14 @@
+#ifndef GAMESETUPDEFINITIONS_H_
+#define GAMESETUPDEFINITIONS_H_
+
+#include <msp/builder/sourcefile.h>
+
+class GameSetupDefinitions: public SourceFile
+{
+public:
+	GameSetupDefinitions(Builder &, const Component &, const Msp::FS::Path &);
+
+	const char *get_type() const override { return "GameSetupDefinitions"; }
+};
+
+#endif
diff --git a/tools/builder-plugin/gamesetupgenerator.cpp b/tools/builder-plugin/gamesetupgenerator.cpp
new file mode 100644
index 0000000..3302c21
--- /dev/null
+++ b/tools/builder-plugin/gamesetupgenerator.cpp
@@ -0,0 +1,63 @@
+#include "gamesetupgenerator.h"
+#include <msp/builder/builder.h>
+#include <msp/fs/utils.h>
+#include "gamesetupdefinitions.h"
+
+using namespace std;
+using namespace Msp;
+
+GameSetupGenerator::GameSetupGenerator(Builder &b):
+	Tool(b, "MGSG")
+{
+	input_suffixes.push_back(".mgs");
+
+	set_command("mspgame-setupgen");
+	set_run_external(_run);
+}
+
+Target *GameSetupGenerator::create_source(const Component &comp, const FS::Path &path) const
+{
+	return new GameSetupDefinitions(builder, comp, path);
+}
+
+Target *GameSetupGenerator::create_target(const vector<Target *> &sources, const string &)
+{
+	if(sources.size()!=1)
+		throw invalid_argument("GameSetupGenerator::create_target");
+
+	GameSetupDefinitions &defs = dynamic_cast<GameSetupDefinitions &>(*sources.front());
+
+	const Component &comp = *defs.get_component();
+	const SourcePackage &spkg = comp.get_package();
+	FS::Path dir = spkg.get_temp_directory()/"generated";
+	dir /= FS::dirname(FS::relative(defs.get_path(), spkg.get_source_directory()));
+
+	Tool &compiler = builder.get_toolchain().get_tool("CC");
+	string base = FS::basepart(FS::basename(defs.get_path()));
+	Target *source = compiler.create_source(comp, dir/(base+".cpp"));
+	source->add_dependency(defs);
+	source->set_tool(*this);
+
+	Target *header = compiler.create_source(comp, dir/(base+".h"));
+	header->add_dependency(defs);
+	source->add_side_effect(*header);
+
+	return source;
+}
+
+ExternalTask::Arguments GameSetupGenerator::_run(const CSourceFile &out_src, FS::Path &work_dir)
+{
+	const Tool &tool = *out_src.get_tool();
+
+	ExternalTask::Arguments argv;
+	argv.push_back(tool.get_executable()->get_path().str());
+
+	for(const Target *d: out_src.get_dependencies())
+		if(const GameSetupDefinitions *defs = dynamic_cast<const GameSetupDefinitions *>(d))
+			argv.push_back(FS::relative(defs->get_path(), work_dir).str());
+
+	argv.push_back("-o");
+	argv.push_back(FS::relative(out_src.get_path(), work_dir).str());
+
+	return argv;
+}
diff --git a/tools/builder-plugin/gamesetupgenerator.h b/tools/builder-plugin/gamesetupgenerator.h
new file mode 100644
index 0000000..8f3a881
--- /dev/null
+++ b/tools/builder-plugin/gamesetupgenerator.h
@@ -0,0 +1,19 @@
+#ifndef GAMESETUPGENERATOR_H_
+#define GAMESETUPGENERATOR_H_
+
+#include <msp/builder/csourcefile.h>
+#include <msp/builder/tool.h>
+
+class GameSetupGenerator: public Tool
+{
+public:
+	GameSetupGenerator(Builder &);
+
+	Target *create_source(const Component &, const Msp::FS::Path &) const override;
+	Target *create_target(const std::vector<Target *> &, const std::string &) override;
+
+private:
+	static ExternalTask::Arguments _run(const CSourceFile &, Msp::FS::Path &);
+};
+
+#endif
diff --git a/tools/builder-plugin/gametools.cpp b/tools/builder-plugin/gametools.cpp
new file mode 100644
index 0000000..33a65bf
--- /dev/null
+++ b/tools/builder-plugin/gametools.cpp
@@ -0,0 +1,8 @@
+#include "gametools.h"
+#include "gamesetupgenerator.h"
+
+GameTools::GameTools(Builder &builder):
+	Toolchain("game", 10)
+{
+	add_tool(new GameSetupGenerator(builder));
+}
diff --git a/tools/builder-plugin/gametools.h b/tools/builder-plugin/gametools.h
new file mode 100644
index 0000000..53be4e8
--- /dev/null
+++ b/tools/builder-plugin/gametools.h
@@ -0,0 +1,13 @@
+#ifndef GAMETOOLS_H_
+#define GAMETOOLS_H_
+
+#include <msp/builder/builder.h>
+#include <msp/builder/toolchain.h>
+
+class GameTools: public Toolchain
+{
+public:
+	GameTools(Builder &);
+};
+
+#endif