############################################################################
# apps/Make.defs
#
# Licensed to the Apache Software Foundation (ASF) under one or more
# contributor license agreements.  See the NOTICE file distributed with
# this work for additional information regarding copyright ownership.  The
# ASF licenses this file to you under the Apache License, Version 2.0 (the
# "License"); you may not use this file except in compliance with the
# License.  You may obtain a copy of the License at
#
#   http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the
# License for the specific language governing permissions and limitations
# under the License.
#
############################################################################

TOPDIR ?= $(APPDIR)/import
include $(TOPDIR)/Make.defs

# Application Directories

# BUILDIRS is the list of top-level directories containing Make.defs files
# CLEANDIRS is the list of all top-level directories containing Makefiles.
#   It is used only for cleaning.

BUILDIRS   := $(dir $(wildcard $(APPDIR)/*/Make.defs))
BUILDIRS   := $(filter-out $(APPDIR)/import/,$(BUILDIRS))
CONFIGDIRS := $(filter-out $(APPDIR)/builtin/,$(BUILDIRS))
CONFIGDIRS := $(filter-out $(dir $(wildcard $(APPDIR)/*/Kconfig)),$(CONFIGDIRS))
CLEANDIRS  := $(dir $(wildcard $(APPDIR)/*/Makefile))
ifeq ($(CONFIG_WINDOWS_NATIVE),y)
  BUILDIRS   := $(subst /,\,$(BUILDIRS))
  CONFIGDIRS := $(subst /,\,$(CONFIGDIRS))
  CLEANDIRS  := $(subst /,\,$(CLEANDIRS))
endif

# CONFIGURED_APPS is the application directories that should be built in
#   the current configuration.

CONFIGURED_APPS :=

define Add_Application
  include $(1)Make.defs
endef

$(foreach BDIR, $(BUILDIRS), $(eval $(call Add_Application,$(BDIR))))

# File extensions

CXXEXT ?= .cxx
RUSTEXT ?= .rs
ZIGEXT ?= .zig

# Library path

LIBPATH ?= $(TOPDIR)$(DELIM)staging

# The install path

BINDIR ?= $(APPDIR)$(DELIM)bin

# The final build target

BIN  ?= $(APPDIR)$(DELIM)libapps$(LIBEXT)
WBIN ?= $(APPDIR)$(DELIM)wasm$(DELIM)libwasm$(LIBEXT)

# Tools

ifeq ($(CONFIG_WINDOWS_NATIVE),y)
  MKKCONFIG ?= $(APPDIR)$(DELIM)tools$(DELIM)mkkconfig.bat
else
  MKKCONFIG ?= $(APPDIR)$(DELIM)tools$(DELIM)mkkconfig.sh
endif

# Builtin Registration

BUILTIN_REGISTRY = $(APPDIR)$(DELIM)builtin$(DELIM)registry
DEPCONFIG = $(TOPDIR)$(DELIM).config

ifeq ($(CONFIG_WINDOWS_NATIVE),y)
ifeq ($(CONFIG_SCHED_USER_IDENTITY),y)
define REGISTER
	$(Q) echo Register: $1
	$(Q) echo { "$(subst ",,$(1))", $2, $3, $(patsubst ,0,$(subst ",,$(4))), $(patsubst ,0,$(5)), $(patsubst ,0,$(6)), $(patsubst ,0555,$(7))}, > "$(BUILTIN_REGISTRY)$(DELIM)$1.bdat"
	$(Q) echo int $(subst ",,$(4))(int argc, char *argv[]); > "$(BUILTIN_REGISTRY)$(DELIM)$1.pdat"

	$(Q) touch $(BUILTIN_REGISTRY)$(DELIM).updated"
endef
else
define REGISTER
	$(Q) echo Register: $1
	$(Q) echo { "$(subst ",,$(1))", $2, $3, $(subst ",,$(4)) }, > "$(BUILTIN_REGISTRY)$(DELIM)$1.bdat"
	$(Q) echo int $(subst ",,$(4))(int argc, char *argv[]); > "$(BUILTIN_REGISTRY)$(DELIM)$1.pdat"

	$(Q) touch $(BUILTIN_REGISTRY)$(DELIM).updated"
endef
endif
else
ifeq ($(CONFIG_SCHED_USER_IDENTITY),y)
define REGISTER
	$(Q) echo "{ \"$1\", $2, $3, $(patsubst ,0,$(4)), $(patsubst ,0,$(5)), $(patsubst ,0,$(6)), $(patsubst ,0555,$(7)) }," > "$(BUILTIN_REGISTRY)$(DELIM)$1.bdat"
	$(Q) if [ ! -z $4 ]; then \
	        echo "int $4(int argc, char *argv[]);" > "$(BUILTIN_REGISTRY)$(DELIM)$1.pdat"; \
	     fi;
	$(Q) touch "$(BUILTIN_REGISTRY)$(DELIM).updated"
endef
else
define REGISTER
	$(Q) echo "Register: $1"
	$(Q) echo "{ \"$1\", $2, $3, $4 }," > "$(BUILTIN_REGISTRY)$(DELIM)$1.bdat"
	$(Q) if [ ! -z $4 ]; then \
	        echo "int $4(int argc, char *argv[]);" > "$(BUILTIN_REGISTRY)$(DELIM)$1.pdat"; \
	     fi;
	$(Q) touch "$(BUILTIN_REGISTRY)$(DELIM).updated"
endef
endif
endif

# Standard include path

CFLAGS   += ${INCDIR_PREFIX}"$(APPDIR)$(DELIM)include"
CXXFLAGS += ${INCDIR_PREFIX}"$(APPDIR)$(DELIM)include"

NUTTXLIB ?= $(call CONVERT_PATH,$(TOPDIR)$(DELIM)staging)

# SPLITVARIABLE - Split long variables into specified batches
# Usage: $(call SPLITVARIABLE, variable-def, variable-ref, batch-size)
#
#	Example: VAR:= a b c x y z foo bar
#			 $(call SPLITVARIABLE, VAR, $(VAR), 3)
#			 $(foreach, num, $(VAR_TOTAL), $(shell echo $(VAR_$(num))))
#	Return new variable definition:
#		$(variable-def)_TOTAL : total split sequence , start with 1.
#		$(variable-def)_$(num) : newly defined variable , ended with batch num.
#	In the case above:
#			$(VAR_TOTAL) = 1 2 3
#			$(VAR_1) = a b c
#			$(VAR_2) = x y z
#			$(VAR_3) = foo bar

define SPLITVARIABLE
	$(eval PREFIX = $(1))
	$(eval BATCH_SIZE = $(3))
	$(eval TOTAL_BATCH = $(shell expr $(words $(2)) / $(BATCH_SIZE) + 1))
	$(eval $(PREFIX)_TOTAL = $(shell seq 1 $(TOTAL_BATCH)))
	$(foreach idx, $($(PREFIX)_TOTAL), \
		$(eval FROMINDEX=$(shell expr 1 + $(idx) \* $(BATCH_SIZE) - $(BATCH_SIZE))) \
		$(eval $(PREFIX)_$(idx)=$(wordlist $(FROMINDEX), $(shell expr $(FROMINDEX) + $(BATCH_SIZE) - 1), $(2))) \
	)
endef

define ARLOCK
	flock $1.lock $(call ARCHIVE, $1, $(2))
endef
