CC?=gcc
XFLAGS=
CFLAGS?=-std=c11 -O2 -Wall $(XFLAGS)

LIBS:=
IDIRS:=$(addprefix -iquote,include)

BUILDIR?=build/release

ifdef DEBUG
BUILDIR:=build/debug
CFLAGS:=-std=c11 -O0 -DDEBUG $(XFLAGS) -g
endif
ifdef ASAN
CFLAGS+= -fsanitize=address -fno-omit-frame-pointer
endif

OBJDIR=$(BUILDIR)/obj

CMONKEY_SRCS:=$(shell find src -name '*.c' -not -path '*/tests/*')
CMONKEY_OBJS:=$(CMONKEY_SRCS:%.c=$(OBJDIR)/%.o)
ALL_OBJS:=$(CMONKEY_OBJS)
TEST_OBJS:=$(filter-out $(OBJDIR)/src/cmonkey.o,$(ALL_OBJS))

all: cmonkey

test: tests/lexer tests/slice tests/parser tests/ast tests/eval

tests/%: $(OBJDIR)/src/tests/%.o $(TEST_OBJS)
	mkdir -p $(BUILDIR)/$(@D)
	$(CC) -o $(BUILDIR)/$@ $^ $(IDIRS) $(LIBS) $(CFLAGS)

$(OBJDIR)/%.o: %.c
	mkdir -p $(@D)
	$(CC) -c $(IDIRS) -o $@ $< $(LIBS) $(CFLAGS)

cmonkey: $(ALL_OBJS)
	mkdir -p $(@D)
	$(CC) -o $(BUILDIR)/$@ $^ $(LIBS) $(CFLAGS)

clean:
	rm -r build

.PHONY: clean all test

.PRECIOUS: $(OBJDIR)/src/tests/%.o