BAN: Move Formatter to new project called BAN

I also implemented basic ErrorOr and Queue

BAN/Makefile

@@ -0,0 +1,86 @@
+DEFAULT_HOST!=../default-host.sh
+HOST?=DEFAULT_HOST
+HOSTARCH!=../target-triplet-to-arch.sh $(HOST)
+ 
+CFLAGS?=-O2 -g
+CPPFLAGS?=
+LDFLAGS?=
+LIBS?=
+ 
+DESTDIR?=
+PREFIX?=/usr/local
+EXEC_PREFIX?=$(PREFIX)
+INCLUDEDIR?=$(PREFIX)/include
+LIBDIR?=$(EXEC_PREFIX)/lib
+ 
+CFLAGS:=$(CFLAGS) -D__is_ban -Iinclude -ffreestanding -Wall -Wextra
+CPPFLAGS:=$(CPPFLAGS)
+LIBK_CFLAGS:=$(CFLAGS) -D__is_bank
+LIBK_CPPFLAGS:=$(CPPFLAGS)
+ 
+ARCHDIR=arch/$(HOSTARCH)
+ 
+include $(ARCHDIR)/make.config
+ 
+CFLAGS:=$(CFLAGS) $(ARCH_CFLAGS)
+CPPFLAGS:=$(CPPFLAGS) $(ARCH_CPPFLAGS)
+BANK_CFLAGS:=$(BANK_CFLAGS) $(KERNEL_ARCH_CFLAGS)
+BANK_CPPFLAGS:=$(BANK_CPPFLAGS) $(KERNEL_ARCH_CPPFLAGS)
+ 
+BUILDDIR=$(abspath build)
+ 
+FREEOBJS=\
+$(ARCH_FREEOBJS) \
+ 
+HOSTEDOBJS=\
+$(ARCH_HOSTEDOBJS) \
+ 
+OBJS=\
+$(FREEOBJS) \
+$(HOSTEDOBJS) \
+ 
+BANK_OBJS=$(FREEOBJS:.o=.bank.o)
+ 
+BINARIES=bank.a
+ 
+.PHONY: all always clean install install-headers install-libs
+.SUFFIXES: .o .bank.o .cpp .S
+ 
+all: $(BINARIES)
+ 
+ban.a: always $(OBJS)
+	cd $(BUILDDIR) && $(AR) rcs $@ $(OBJS)
+ 
+bank.a: always $(LIBK_OBJS)
+	cd $(BUILDDIR) && $(AR) rcs $@ $(LIBK_OBJS)
+ 
+.cpp.o:
+	$(CXX) -MD -c $< -o $(BUILDDIR)/$@ $(CFLAGS) $(CPPFLAGS)
+ 
+.S.o:
+	$(CXX) -MD -c $< -o $(BUILDDIR)/$@ $(CFLAGS) $(CPPFLAGS)
+ 
+.cpp.bank.o:
+	$(CXX) -MD -c $< -o $(BUILDDIR)/$@ $(LIBK_CFLAGS) $(LIBK_CPPFLAGS)
+ 
+.S.bank.o:
+	$(CXX) -MD -c $< -o $(BUILDDIR)/$@ $(LIBK_CFLAGS) $(LIBK_CPPFLAGS)
+ 
+clean:
+	rm -rf $(BUILDDIR)
+ 
+always:
+	mkdir -p $(BUILDDIR)
+ 
+install: install-headers install-libs
+ 
+install-headers:
+	mkdir -p $(DESTDIR)$(INCLUDEDIR)
+	cp -R --preserve=timestamps include/. $(DESTDIR)$(INCLUDEDIR)/.
+ 
+install-libs: $(BINARIES)
+	mkdir -p $(DESTDIR)$(LIBDIR)
+	cp $(BUILDDIR)/$(BINARIES) $(DESTDIR)$(LIBDIR)
+ 
+-include $(OBJS:.o=.d)
+-include $(LIBK_OBJS:.o=.d)