New model, object-oriented, for applications

13 files changed, 160 insertions, 86 deletions

diff --git a/Source/Applications/Demos/GOL.cpp b/Source/Applications/Demos/GOL.cpp
index e6da3a6..cd6e719 100644
--- a/Source/Applications/Demos/GOL.cpp
+++ b/Source/Applications/Demos/GOL.cpp
@@ -1,10 +1,18 @@
-#include <Binding/VirtualTerminal.class.h>
 #include <Binding/Thread.class.h>
-#include <String.class.h>
 #include <ByteArray.class.h>
 #include <Rand.ns.h>
 
-int main(Vector<String> args) {
+#include <App/ShellApp.proto.h>
+
+class GOL : public ShellApp {
+	public:
+	GOL() : ShellApp() {}
+	int run();
+};
+
+APP(GOL);
+
+int GOL::run() {
 	if (!outvt.isBoxed()) {
 		outvt << "Error : cannot display GOL on a non-boxed terminal.\n";
 		return 1;
diff --git a/Source/Applications/Demos/cxxdemo.cpp b/Source/Applications/Demos/cxxdemo.cpp
index 3d452e7..372e69f 100644
--- a/Source/Applications/Demos/cxxdemo.cpp
+++ b/Source/Applications/Demos/cxxdemo.cpp
@@ -1,10 +1,18 @@
 #include <Syscall/Syscall.wtf.h>
-#include <String.class.h>
-#include <Binding/VirtualTerminal.class.h>
 #include <Binding/Thread.class.h>
 #include <Binding/File.class.h>
 
-int main(const Vector<String>& args) {
+#include <App/ShellApp.proto.h>
+
+class CPPDemo : public ShellApp {
+	public:
+	CPPDemo() : ShellApp() {}
+	int run();
+};
+
+APP(CPPDemo);
+
+int CPPDemo::run() {
 	outvt << "Enter some text plz : ";
 	String s = invt.readLine();
 	outvt << s;
diff --git a/Source/Applications/PaperWork/Makefile b/Source/Applications/PaperWork/Makefile
index fe8d564..d3203cf 100644
--- a/Source/Applications/PaperWork/Makefile
+++ b/Source/Applications/PaperWork/Makefile
@@ -6,7 +6,7 @@ CXXFLAGS = -nostartfiles -nostdlib -ffreestanding -fno-exceptions -fno-rtti -I .
 LD = ld
 LDFLAGS = -T ../../Library/Link.ld -L ../../Library
 
-Objects = main.o
+Objects = PaperWork.o
 OutFile = PaperWork
 
 all: $(OutFile)
diff --git a/Source/Applications/PaperWork/main.cpp b/Source/Applications/PaperWork/PaperWork.cpp
index 2fb40df..0d6a821 100644
--- a/Source/Applications/PaperWork/main.cpp
+++ b/Source/Applications/PaperWork/PaperWork.cpp
@@ -1,9 +1,16 @@
-#include <Binding/Process.class.h>
-#include <String.class.h>
+#include <App/ShellApp.proto.h>
 
 #define DEFAULT_SHELL "/Applications/Shell/Shell.app"
 
-int main(Vector<String> args) {
+class PaperWork : public ShellApp {
+	public:
+	PaperWork() : ShellApp() {}
+	int run();
+};
+
+APP(PaperWork);
+
+int PaperWork::run() {
 	String act = "init";
 	if (args.size() == 2) {
 		if (args[1] == "login") {
diff --git a/Source/Applications/Shell/Makefile b/Source/Applications/Shell/Makefile
index bf81af6..d546a15 100644
--- a/Source/Applications/Shell/Makefile
+++ b/Source/Applications/Shell/Makefile
@@ -6,9 +6,8 @@ CXXFLAGS = -nostartfiles -nostdlib -ffreestanding -fno-exceptions -fno-rtti -I .
 LD = ld
 LDFLAGS = -T ../../Library/Link.ld -L ../../Library
 
-Objects = main.o \
-		  Shell.ns.o \
-		  Shell-fs.ns.o
+Objects = Shell.class.o \
+		  Shell-fs.class.o
 OutFile = Shell
 
 all: $(OutFile)
diff --git a/Source/Applications/Shell/Shell-fs.ns.cpp b/Source/Applications/Shell/Shell-fs.class.cpp
index 0b51299..150b877 100644
--- a/Source/Applications/Shell/Shell-fs.ns.cpp
+++ b/Source/Applications/Shell/Shell-fs.class.cpp
@@ -1,10 +1,8 @@
-#include "Shell.ns.h"
+#include "Shell.class.h"
 #include <TextFile.class.h>
 #include <Binding/Process.class.h>
 
-namespace Shell {
-
-void ls(Vector<String>& args) {
+void Shell::ls(Vector<String>& args) {
 	FSNode d = cwd;
 	if (args.size() == 2) {
 		FSNode n = FS::find(args[1], cwd);
@@ -41,7 +39,7 @@ void ls(Vector<String>& args) {
 	}
 }
 
-void cd(Vector<String>& args) {
+void Shell::cd(Vector<String>& args) {
 	if (args.size() != 2) {
 		outvt << "Invalid argument count.\n";
 	} else {
@@ -57,11 +55,11 @@ void cd(Vector<String>& args) {
 	}
 }
 
-void pwd(Vector<String>& args) {
+void Shell::pwd(Vector<String>& args) {
 	outvt << "Current directory : " << cwd.path() << "\n";
 }
 
-void rm(Vector<String>& args) {
+void Shell::rm(Vector<String>& args) {
 	if (args.size() == 1) outvt << "No file to remove.\n";
 	for (u32int i = 1; i < args.size(); i++) {
 		if (!FS::find(args[i], cwd).remove()) {
@@ -70,7 +68,7 @@ void rm(Vector<String>& args) {
 	}
 }
 
-void mkdir(Vector<String>& args) {
+void Shell::mkdir(Vector<String>& args) {
 	if (args.size() == 1) outvt << "No directory to create.\n";
 	for (u32int i = 1; i < args.size(); i++) {
 		if (!FS::mkdir(args[i], cwd).valid()) {
@@ -79,7 +77,7 @@ void mkdir(Vector<String>& args) {
 	}
 }
 
-void cat(Vector<String>& args) {
+void Shell::cat(Vector<String>& args) {
 	if (args.size() == 1) outvt << "Meow.\n";
 	for (u32int i = 1; i < args.size(); i++) {
 		TextFile f(args[i], FM_READ, cwd);
@@ -94,7 +92,7 @@ void cat(Vector<String>& args) {
 	}
 }
 
-void wf(Vector<String>& args) {
+void Shell::wf(Vector<String>& args) {
 	if (args.size() == 1) {
 		outvt << "No file to write !\n";
 	} else {
@@ -113,7 +111,7 @@ void wf(Vector<String>& args) {
 	}
 }
 
-void run(Vector<String>& args) {
+void Shell::run(Vector<String>& args) {
 	if (args.size() == 1) {
 		outvt << "Nothing to run...\n";
 	} else {
@@ -132,5 +130,3 @@ void run(Vector<String>& args) {
 		}
 	}
 }
-
-}
diff --git a/Source/Applications/Shell/Shell.ns.cpp b/Source/Applications/Shell/Shell.class.cpp
index 56a6b5f..42743e7 100644
--- a/Source/Applications/Shell/Shell.ns.cpp
+++ b/Source/Applications/Shell/Shell.class.cpp
@@ -1,25 +1,25 @@
-#include "Shell.ns.h"
+#include "Shell.class.h"
 #include <Binding/Sys.ns.h>
 #include <Binding/Process.class.h>
 
-namespace Shell {
-
-FSNode cwd(0);
+APP(Shell);
 
+Shell::Shell() : ShellApp(), cwd(FS::cwdNode()) {
+}
 
-u32int run() {
+int Shell::run() {
 	struct {	//Command list
 		String name;
-		void (*cmd)(Vector<String>&);
+		void (Shell::*cmd)(Vector<String>&);
 	} commands[] = {
-		{"ls",		ls},
-		{"cd",		cd},
-		{"pwd",		pwd},
-		{"rm",		rm},
-		{"mkdir",	mkdir},
-		{"cat",		cat},
-		{"wf",		wf},
-		{"run",		run},
+		{"ls",		&Shell::ls},
+		{"cd",		&Shell::cd},
+		{"pwd",		&Shell::pwd},
+		{"rm",		&Shell::rm},
+		{"mkdir",	&Shell::mkdir},
+		{"cat",		&Shell::cat},
+		{"wf",		&Shell::wf},
+		{"run",		&Shell::run},
 		{"",		0}
 	};
 
@@ -80,7 +80,7 @@ u32int run() {
 					if (commands[i].cmd == 0) {
 						outvt << "Not implemented yet.\n";
 					} else {
-						commands[i].cmd(cmd);
+						(this->*(commands[i].cmd))(cmd);
 					}
 					break;
 				}
@@ -91,6 +91,4 @@ u32int run() {
 	}
 }
 
-}
-
 
diff --git a/Source/Applications/Shell/Shell.class.h b/Source/Applications/Shell/Shell.class.h
new file mode 100644
index 0000000..7c0c324
--- /dev/null
+++ b/Source/Applications/Shell/Shell.class.h
@@ -0,0 +1,28 @@
+#ifndef DEF_SHELL_CLASS_H
+#define DEF_SHELL_CLASS_H
+
+#include <Binding/VirtualTerminal.class.h>
+#include <Binding/FSNode.class.h>
+#include <String.class.h>
+
+#include <App/ShellApp.proto.h>
+
+class Shell : public ShellApp {
+	public:
+	Shell();
+
+	int run();
+
+	FSNode cwd;
+
+	void ls(Vector<String>& args);
+	void cd(Vector<String>& args);
+	void pwd(Vector<String>& args);
+	void rm(Vector<String>& args);
+	void mkdir(Vector<String>& args);
+	void cat(Vector<String>& args);
+	void wf(Vector<String>& args);
+	void run(Vector<String>& args);
+};
+
+#endif
diff --git a/Source/Applications/Shell/Shell.ns.h b/Source/Applications/Shell/Shell.ns.h
deleted file mode 100644
index b2dd587..0000000
--- a/Source/Applications/Shell/Shell.ns.h
+++ /dev/null
@@ -1,18 +0,0 @@
-#include <Binding/VirtualTerminal.class.h>
-#include <Binding/FSNode.class.h>
-#include <String.class.h>
-
-namespace Shell {
-	u32int run();
-
-	extern FSNode cwd;
-
-	extern void ls(Vector<String>& args);
-	extern void cd(Vector<String>& args);
-	extern void pwd(Vector<String>& args);
-	extern void rm(Vector<String>& args);
-	extern void mkdir(Vector<String>& args);
-	extern void cat(Vector<String>& args);
-	extern void wf(Vector<String>& args);
-	extern void run(Vector<String>& args);
-}
diff --git a/Source/Library/Userland/App/Application.proto.h b/Source/Library/Userland/App/Application.proto.h
new file mode 100644
index 0000000..1f3a963
--- /dev/null
+++ b/Source/Library/Userland/App/Application.proto.h
@@ -0,0 +1,41 @@
+#ifndef DEF_APPLICATION_PROTO_H
+#define DEF_APPLICATION_PROTO_H
+
+#include <Binding/Process.class.h>
+#include <String.class.h>
+
+extern u32int start_dtors, end_dtors;
+
+#define APP(t) static t the_app; \
+   	Application *app = &the_app;
+
+class Application {
+	public:
+	Process pr;
+	Vector<String> args;
+
+	Application() : pr(Process::get()), args(pr.argc()) {
+		for (u32int i = 0; i < args.size(); i++) args[i] = pr.argv(i);
+		//TODO : add default signal handlers
+	}
+	virtual ~Application() {}
+
+	virtual int run() = 0; //Application's main loop
+
+	virtual void doEvents() {
+		//TODO : handle signals (IPC featurs to come)
+	}
+
+	void exit(u32int ret) {
+		//Call static destructors 
+		for(u32int * call = &start_dtors; call < &end_dtors; call++) {
+			((void (*)(void))*call)();
+		}
+		threadFinishedSyscall(ret);
+	}
+};
+
+extern Application *app;
+
+#endif
+
diff --git a/Source/Library/Userland/App/ShellApp.proto.h b/Source/Library/Userland/App/ShellApp.proto.h
new file mode 100644
index 0000000..846f2b1
--- /dev/null
+++ b/Source/Library/Userland/App/ShellApp.proto.h
@@ -0,0 +1,18 @@
+#ifndef DEF_SHELLAPP_CLASS_H
+#define DEF_SHELLAPP_CLASS_H
+
+#include <App/Application.proto.h>
+#include <Binding/VirtualTerminal.class.h>
+
+class ShellApp : public Application {
+	public:
+	VirtualTerminal invt, outvt;
+	
+	ShellApp() : Application(), invt(VirtualTerminal::getIn()), outvt(VirtualTerminal::getOut()) {
+		if (!invt.valid()) exit(1);
+		if (!outvt.valid()) exit(2);
+	}
+};
+
+#endif
+
diff --git a/Source/Library/Userland/Binding/VirtualTerminal.class.h b/Source/Library/Userland/Binding/VirtualTerminal.class.h
index c8a4123..70c6b23 100644
--- a/Source/Library/Userland/Binding/VirtualTerminal.class.h
+++ b/Source/Library/Userland/Binding/VirtualTerminal.class.h
@@ -71,6 +71,4 @@ class VirtualTerminal : public RessourceCaller {
 	inline VirtualTerminal& operator<<(u32int i) { writeHex(i); return *this; }
 };
 
-extern VirtualTerminal invt, outvt;
-
 #endif
diff --git a/Source/Library/Userland/Start.cpp b/Source/Library/Userland/Start.cpp
index f1d1771..cb9faf9 100644
--- a/Source/Library/Userland/Start.cpp
+++ b/Source/Library/Userland/Start.cpp
@@ -1,46 +1,37 @@
 #include <types.h>
 #include <Syscall/Syscall.wtf.h>
-#include <Binding/VirtualTerminal.class.h>
+
+#include <App/Application.proto.h>
 
 #include <Heap.class.h>
 
-extern u32int start_ctors, end_ctors, start_dtors, end_dtors;
+extern u32int start_ctors, end_ctors;
 
-Heap heap;
+Heap *heap;
 
 VirtualTerminal invt(0), outvt(0);
 
 int main(const Vector<String>& args);
 
 extern "C" void start() {
-	heap.create(0x40000000, 0x00040000, 0x00004000);	//Initially create a 256ko heap with 16ko index
+	Heap h;
+	h.create(0x40000000, 0x00040000, 0x00004000);	//Initially create a 256ko heap with 16ko index
+	heap = &h;
 
-	//Call static constructors
+	//Call static constructors (this will construct the Application object and get some stuff (arguments, ...))
 	u32int i = 0;
     for(u32int * call = &start_ctors; call < &end_ctors; call++) {
         ((void (*)(void))*call)();
     }
 
-	invt = VirtualTerminal::getIn(); outvt = VirtualTerminal::getOut();
-	if (!invt.valid()) threadFinishedSyscall(1);
-	if (!outvt.valid()) threadFinishedSyscall(2);
-
-	u32int argc = Process::get().argc();
-	Vector<String> args(argc);
-	for (u32int i = 0; i < argc; i++) args[i] = Process::get().argv(i);
-
-	u32int r = main(args);
-
-	//Call static destructors 
-    for(u32int * call = &start_dtors; call < &end_dtors; call++) {
-        ((void (*)(void))*call)();
-    }
-
-	threadFinishedSyscall(r);
+	app->doEvents();
+	u32int r = app->run();
+	app->doEvents();
+	app->exit(r);	//Will call static destructors
 }
 
 namespace Mem {
-	void* alloc (size_t sz) { return heap.alloc(sz); }
-	void free(void* ptr) { heap.free(ptr); }
+	void* alloc (size_t sz) { return heap->alloc(sz); }
+	void free(void* ptr) { heap->free(ptr); }
 	void* mkXchgSpace (size_t sz) { return alloc(sz); }
 }