Add first version of lexer/parser to git, update Makefile

Makefile

@@ -3,7 +3,9 @@ TOPDIR=$(shell pwd)
 include $(TOPDIR)/common.mk
 
 # Depend on the object files of all source-files in src/*.c and on all header files
-FILES=$(patsubst %.c,%.o,$(wildcard src/*.c))
+AUTOGENERATED:=src/cfgparse.tab.c src/cfgparse.yy.c
+FILES:=$(filter-out $(AUTOGENERATED),$(wildcard src/*.c))
+FILES:=$(FILES:.c=.o)
 HEADERS=$(wildcard include/*.h)
 
 # Depend on the specific file (.c for each .o) and on all headers
@@ -11,13 +13,23 @@ src/%.o: src/%.c ${HEADERS}
 	echo "CC $<"
 	$(CC) $(CFLAGS) -c -o $@ $<
 
-all: ${FILES}
+all: src/cfgparse.y.o src/cfgparse.yy.o ${FILES}
 	echo "LINK i3"
-	$(CC) -o i3 ${FILES} $(LDFLAGS)
+	$(CC) -o i3 ${FILES} src/cfgparse.y.o src/cfgparse.yy.o $(LDFLAGS)
 	echo ""
 	echo "SUBDIR i3-msg"
 	$(MAKE) TOPDIR=$(TOPDIR) -C i3-msg
 
+src/cfgparse.yy.o: src/cfgparse.l
+	echo "LEX $<"
+	lex -i -o $(@:.o=.c) $<
+	$(CC) $(CFLAGS) -c -o $@ $(@:.o=.c)
+
+src/cfgparse.y.o: src/cfgparse.y
+	echo "YACC $<"
+	yacc -b $(basename $< .y) -d $<
+	$(CC) $(CFLAGS) -c -o $@ $(<:.y=.tab.c)
+
 install: all
 	echo "INSTALL"
 	$(INSTALL) -d -m 0755 $(DESTDIR)/usr/bin
@@ -46,7 +58,7 @@ dist: distclean
 	rm -rf i3-${VERSION}
 
 clean:
-	rm -f src/*.o
+	rm -f src/*.o src/cfgparse.tab.{c,h} src/cfgparse.yy.c
 	$(MAKE) -C docs clean
 	$(MAKE) -C man clean
 	$(MAKE) TOPDIR=$(TOPDIR) -C i3-msg clean