#
# Makefile for testrun
#
WFLAGS = -std=c89 -Wall -Wstrict-prototypes -D_XOPEN_SOURCE=600 -pedantic
CFLAGS = $(WFLAGS) -O3 -ffast-math -fomit-frame-pointer
LDFLAGS = -s
DASM = dasm

#CFLAGS = -g $(WFLAGS)
#LDFLAGS = -g

TEST_OBJS = ../../src/6502emu.o ../../src/exo_util.o ../../src/log.o ../../src/areatrace.o ../../src/vec.o ../../src/buf_io.o ../../src/buf.o ../../src/table.o ../../src/perf.o

permutate2 = $(if $(strip $(2)), $(foreach res, $(call permutate2, $(firstword $(2)), $(wordlist 2, $(words $(2)), $(2))), $(join $(res), _) $(join $(res), $(1))), _ $(1))

permutate = $(if $(strip $(1)), $(call permutate2, $(firstword $(1)), $(wordlist 2, $(words $(1)), $(1))))

VARIANTS = $(call permutate, i e M c 4 o f)

VARIANT_OPT = c^-DLITERAL_SEQUENCES_NOT_USED=1^-c M^-DMAX_SEQUENCE_LENGTH_256=1^-M256 i^-DINLINE_GET_BITS=1^ e^-DENABLE_SPLIT_ENCODING=1^ o^-DDONT_REUSE_OFFSET=1^-P-32 4^-DEXTRA_TABLE_ENTRY_FOR_LENGTH_THREE=1^-P+16 f^-DDECRUNCH_FORWARDS=1^-f

echo = $(or $(info $(1) $(2)), $(2))

variant = $(suffix $(basename $(1)))

asmopt = $(filter-out , $(foreach opt, $(VARIANT_OPT), $(if $(findstring $(word 1, $(subst ^, , $(opt))), $(1)), $(word 2, $(subst ^, , $(opt))))))

exoopt = $(filter-out , $(foreach opt, $(VARIANT_OPT), $(if $(findstring $(word 1, $(subst ^, , $(opt))), $(1)), $(word 3, $(subst ^, , $(opt))))))

.PHONY: assert.data%
.PRECIOUS: %.exo %.os test%.prg $(TEST_OBJS)
.SECONDEXPANSION:

build: ../testrun $$(foreach variant, $$(VARIANTS), test.$$(variant).prg data.$$(variant).exo)
	@$(RM) *.out
	@../testrun $(foreach variant, $(VARIANTS), test.$(variant).prg data.$(variant).exo)
	@$(MAKE) $(foreach variant, $(VARIANTS), assert.data.$(variant).exo)

assert.data%:
	cmp -i0:2 data$(call variant, $@).exo.out ../data.bin
	@$(RM) data$(call variant, $@).exo.out

testrun.test%.prg: testrun test%.prg data%.exo
	@../testrun test$(call variant, $@).prg data$(call variant, $@).exo
	@cmp -i0:2 data$(call variant, $@).exo.out ../data.bin && $(RM) data$(call variant, $@).exo.out

testrun.test%stream.prg: testrun test%stream.prg data%stream.exo
	@../testrun test$(call variant, $@).prg data$(call variant, $@).exo@0x3000
	@cmp -i0:2 data$(call variant, $@).exo.out data.bin && $(RM) data$(call variant, $@).exo.out

../testrun: ../testrun.o $(TEST_OBJS)
	@$(CC) $(LDFLAGS) -o $@ ../testrun.o $(TEST_OBJS)

test%.prg: main.s exodecrunch.s
	@echo "building $@"
	@$(DASM) main.s $(call asmopt, $(call variant, $@)) -o$@

clean:
	@$(RM) testrun.o test*.prg *.os *.exo *.exo.out testrun

%.exo: ../$$(basename $$(basename $$@)).bin
	@../../src/exomizer mem $(call exoopt, $(call variant, $@)) -q $<,0x3000 -o $@

%.o:	%.c
	@$(CC) -c $(CFLAGS) $(CPPFLAGS) -o $@ $<

# cancel built in rule that disturb things
%.out: %