JAVA = java
JAVAC = javac -source 1.3 -target 1.3
JAY = $(JAVA) -jar lib/jay.jar
JLEX = $(JAVA) -cp build edu.princeton.cs.appel.jlex.Main
FUSELEX = $(JAVA) -cp build edu.rit.bja8464.fuselex.Main
CLASSGEN = $(firstword $(patsubst %,%/build,$(wildcard upstream/classgen $(HOME)/Work/classgen)))
ENABLE_JVM = $(CLASSGEN))

.PRECIOUS: build/%.class

jar = fuse.jar
jlex_inputs = $(shell find src -name '*.l')
jay_inputs = $(shell find src -name '*.y')
fuselex_inputs = $(shell find src -name '*.fl')
gen_sources = $(jlex_inputs:src/%.l=build/%.java) $(jay_inputs:src/%.y=build/%.java)
sources = $(shell find src -name '*.java' ! -path 'src/edu/princeton/cs/appel/jlex/*' ! -path 'src/edu/rit/bja8464/fuselex/*' ! -name JVMCompiler.java) \
          $(if $(ENABLE_JVM), src/edu/rit/bja8464/fuse/JVMCompiler.java)
fuse_sources = $(shell find src -name '*.fuse')
fuse_gen_sources = $(fuselex_inputs:src/%.fl=build/%.fuse)
classes = $(sources:src/%.java=build/%.class) $(gen_sources:%.java=%.class)
all = $(classes) $(fuse_sources:src/%=build/%) $(fuse_gen_sources)

all: $(all)


build/%.class: src/%.java
	$(JAVAC) -d build $^

$(classes): $(sources) $(gen_sources)
	$(JAVAC) -classpath "$(CLASSGEN)" -d build $(sources) $(gen_sources)

build/%.java: src/%.l build/edu/princeton/cs/appel/jlex/Main.class
	@mkdir -p `dirname $@`
	$(JLEX) $< > $@

build/%.fuse: src/%.fl build/edu/rit/bja8464/fuselex/Main.class
	$(FUSELEX) $< > $@

build/%.java: src/%.y src/%.skel
	@mkdir -p `dirname $@`
	$(JAY) src/$*.y src/$*.skel > $@

build/%.fuse: src/%.fuse
	@mkdir -p `dirname $@`
	cp $< $@

$(jar): $(classes) $(fuse_sources:src/%=build/%) $(fuse_gen_sources)
	printf "Manifest-Version: 1.0\nMain-Class: edu.rit.bja8464.fuse.Main\n" > .manifest
	cd build && jar cfm ../$@ ../.manifest `find edu/rit/bja8464/fuse org/xwt/util -type f ! -name '*.java'`

test: test_test
test_%: tests/%.fuse $(all)
	$(JAVA) -cp build edu.rit.bja8464.fuse.Main tests.$*

testjvm: testjvm_test
testjvm_%: tests/%.fuse $(all)
	@mkdir -p tmp
	java -cp build:$(CLASSGEN) edu.rit.bja8464.fuse.JVMCompiler $< tmp
	java -cp tmp:build Main

debug_%: $(classes)
	$(JAVA) -cp build edu.rit.bja8464.fuse.Debug $* tests/test.fuse

define check_body
tests/.status/%.$(1): tests/% $(all);
	@printf "\033[1;30mCHECKING: %s: %s\033[0m\n" $(1) $$*
	$(2) $$<
	@printf "\033[1;34mPASSED: %s: %s\033[0m\n" $(1) $$*
	@mkdir -p "`dirname $$@`"
	@touch "$$@"
endef

tests/.status/%.jvm: tests/% $(all)
	@printf "\033[1;30mCHECKING: jvm: %s\033[0m\n" $*
	@mkdir -p tmp
	java -cp build:$(CLASSGEN) edu.rit.bja8464.fuse.JVMCompiler $< tmp
	java -cp tmp:build Main
	@mkdir -p "`dirname $@`"
	@touch "$@"

$(call check_body,eval,$(JAVA) -cp build edu.rit.bja8464.fuse.Main)
check: $(patsubst tests/%,tests/.status/%.eval, $(shell find tests -name '*.fuse'))
#$(call check_body,reparse,$(JAVA) -cp build edu.rit.bja8464.fuse.Debug reparse)
#check: $(patsubst tests/%,tests/.status/%.reparse, $(shell find tests -name '*.fuse'))
$(call check_body,error,true && ! $(JAVA) -cp build edu.rit.bja8464.fuse.Main)
check: $(patsubst tests/%,tests/.status/%.error, $(shell find tests -name '*.fail'))

check: $(if $(ENABLE_JVM),$(patsubst tests/%,tests/.status/%.jvm, $(shell find tests -name '*.fuse')))

check: ; @printf "\033[1;34mAll tests passed successfully!\033[0m\n"

website_stuff: build/javadoc/index.html build/website.zip build/fuse-snapshot.tar.gz

build/javadoc/index.html: $(sources) $(gen_sources) doc/manual.html
	@mkdir -p build/javadoc
	javadoc -d build/javadoc -overview doc/manual.html -link http://java.sun.com/j2se/1.3/docs/api/ $(filter-out src/edu/rit/bja8464/fuse/JVMCompiler.java, $(sources)) $(gen_sources)

build/website.zip: $(shell find doc -type f -a ! -name '*~')
	zip $@ $^

build/fuse-snapshot.tar.gz: _darcs/inventory
	darcs dist -d fuse-snapshot && mv fuse-snapshot.tar.gz $@

clean:
	rm -rf build/* tests/.status

fetch_classgen:
	@mkdir -p upstream
	if [ ! -d upstream/classgen ]; then \
		cd upstream && darcs get http://darcs.brianweb.net/classgen; \
	else \
		cd upstream/classgen && darcs pull; \
	fi
	$(MAKE) -C upstream/classgen

push:
	@if [ "$${HOSTNAME#*.}" = "brianweb.net" ]; then \
		for repo in "holly.cs.rit.edu public_html/cc" "charger.brianweb.net /home/darcs/fuse"; do \
			set $$repo; \
			darcs push $$1:$$2; \
			ssh $$1 "gmake -C $$2 website_stuff"; \
		done; \
	else \
		echo "You need to customize the push target in the makefile" 1>&2; \
		exit 1; \
	fi