# This is the name of your program.  The class dictionary file should
# be $(PROG).cd, and the behavior file should be $(PROG).beh.
PROG = program

# This is the name of the class which has the "main" method.
MAIN = Main

# This is the directory into which .class files are generated.
CLASSDIR = .

# This is the package your generated code belongs to.  It should match
# the package specified at the beginning of your .cd file.
PACKAGE =

# Arguments for testing the program.
TEST_ARGS = < $(PROG).input
# Files the program test depends on.  Probably some subset of $(TEST_ARGS).
TEST_DEPS = $(PROG).input

# Make sure these are all in your $PATH:
#  interpreter
JAVA = java
#  compiler
JAVAC = javac -d $(CLASSDIR)
#  Demeter compiler
DEMJAVA = demjava
#  parser generator
PARSEGEN = jack

####
# You shouldn't have to change anything below here.
####

ifeq (,$(PACKAGE))
PACKAGE_PREFIX =
PACKAGE_DIR = $(CLASSDIR)
else
PACKAGE_PREFIX = $(PACKAGE).
PACKAGE_DIR = $(CLASSDIR)/$(subst .,/,$(PACKAGE))
endif

MAIN_TARGET = $(PACKAGE_DIR)/$(MAIN).class

GRAMMAR = $(PROG).jack
PARSER = Parser.java
PARSER_AUX = ParseError.java ParserConstants.java ParserTokenManager.java \
	     Token.java ASCII_UCodeESC_CharStream.java

all: $(MAIN_TARGET)

$(MAIN_TARGET): $(PROG).java $(PARSER) $(PARSER_AUX)
	@mkdir -p $(CLASSDIR)
	$(JAVAC) $?
	@touch $(MAIN_TARGET)

$(PROG).java: $(PROG).cd $(PROG).beh
	$(DEMJAVA) -code $(PROG)

$(PARSER): $(GRAMMAR)
	$(PARSEGEN) $^

$(GRAMMAR): $(PROG).cd
	$(DEMJAVA) -grammar $(PROG)

$(PARSER_AUX):

test: all $(TEST_DEPS)
	$(JAVA) $(PACKAGE_PREFIX)$(MAIN) $(TEST_ARGS)

clean:
	$(RM) $(PACKAGE_DIR)/*.class $(PROG).java
	$(RM) $(GRAMMAR) $(PARSER) $(PARSER_AUX)
	$(RM) *~ core

new: clean all

.PHONY: all test clean new