#  /***
#   * Shane Beasley
#   * EECS 473: Compiler Design
#   * Machine Problem 4: Using Bison
#   ***/
SHELL=/bin/sh
CC=gcc
CXX=g++
LEX=/usr/local/gnu/bin/flex
YACC=/usr/local/gnu/bin/bison

CXXFLAGS=-g
LDFLAGS=-lfl

EXE=parser
OBJ=scanner.o parser.o main.o
NEWSRC=scanner.cc parser.cc parser.h parser.output

all: $(EXE) ;
	@echo
	@perl -wle 'print "Run \x1B[1mparser input_file\x1B[0m to parse input_file. Enjoy!";'
	@echo

parser: scanner.o parser.o main.o
	$(CXX) scanner.o parser.o main.o -o parser $(LDFLAGS)

%.o: %.cc
	$(CXX) $< -o $@ -c $(CXXFLAGS)

parser.cc parser.h: parser.y
	$(YACC) -d -v parser.y
	mv parser.tab.c parser.cc
	mv parser.tab.h parser.h

scanner.cc: scanner.lex parser.h decls.h
	$(LEX) scanner.lex
	mv lex.yy.c scanner.cc

clean : ;
	$(RM) $(EXE) $(OBJ) $(NEWSRC) $(LIB) core