# Makefile

OBJS = term_control.o Lexer.o error_handling.o Postfix_Evaluator.o pe_driver.o
CC = g++
DEBUG = -g
CFLAGS = -Wall -pedantic -ansi $(DEBUG)
LFLAGS = -Wall $(DEBUG)

programs: pe_driver wfseq lexdriver

pe_driver: $(OBJS)
	$(CC) $(LFLAGS) $(OBJS) -o pe_driver

# a driver to Postfix_Evaluator
pe_driver.o : term_control.o Lexer.o Postfix_Evaluator.o error_handling.o pe_driver.cpp
	$(CC) -c $(CFLAGS) pe_driver.cpp

# uses Lexer to check whether a sequence of tokens is well-formed
wfseq: Lexer.o wfseq.cpp
	$(CC) $(LFLAGS) Lexer.o wfseq.cpp -o wfseq

# only uses Lexer to test the Lexer class
lexdriver : Lexer.o lexdriver.cpp
	$(CC) $(CFLAGS) Lexer.o lexdriver.cpp -o lexdriver

# uses Lexer, error_handling
Postfix_Evaluator.o : Lexer.o error_handling.o term_control.o Postfix_Evaluator.h Postfix_Evaluator.cpp
	$(CC) -c $(CFLAGS) Postfix_Evaluator.cpp

# error handling routines make use of terminal control routines
error_handling.o : term_control.o error_handling.h error_handling.cpp
	$(CC) -c $(CFLAGS) error_handling.cpp

# the Lexer is fairly independent
Lexer.o : Lexer.h Lexer.cpp
	$(CC) -c $(CFLAGS) Lexer.cpp

# this object file is at the "lowest level"
term_control.o : term_control.h term_control.cpp
	$(CC) -c $(CFLAGS) term_control.cpp

clean:
	rm -f *.o a.out pe_driver wfseq lexdriver