java, d: add a Makefile for the example

* examples/java/Makefile, examples/d/Makefile: New.

examples/README

@@ -34,6 +34,12 @@ Extracted from the documentation: "A Complete C++ Example".
 https://www.gnu.org/software/bison/manual/html_node/A-Complete-C_002b_002b-Example.html
 
 
+* Examples in D
+
+** d/calc.y
+The usual calculator.
+
+
 * Examples in Java
 
 ** java/Calc.y

examples/d/Makefile

@@ -0,0 +1,25 @@
+# This Makefile is designed to be simple and readable.  It does not
+# aim at portability.  It requires GNU Make.
+
+BISON = bison
+DC = dmd
+XSLTPROC = xsltproc
+
+all: calc
+
+%.d %.xml %.gv: %.y
+	$(BISON) $(BISONFLAGS) --xml --graph=$*.gv -o $*.d $<
+
+%: %.d
+	$(DC) $(DCFLAGS) $<
+
+run: calc
+	echo "Type arithmetic expressions.  Quit with ctrl-d."
+	./$<
+
+html: calc.html
+%.html: %.xml
+	$(XSLTPROC) $(XSLTPROCFLAGS) -o $@ $$($(BISON) --print-datadir)/xslt/xml2xhtml.xsl $<
+
+clean:
+	rm -f calc calc.d calc.xml calc.gv calc.html *.o

examples/d/local.mk

@@ -31,5 +31,5 @@ endif
 %D%/calc: %D%/calc.d
 	$(AM_V_GEN) $(DC) $(DCFLAGS) -of$@ $<
 
-dist_d_DATA = %D%/calc.y
+dist_d_DATA = %D%/calc.y %D%/Makefile
 CLEANFILES += %D%/calc %D%/Calc.d

examples/java/Makefile

@@ -0,0 +1,26 @@
+# This Makefile is designed to be simple and readable.  It does not
+# aim at portability.  It requires GNU Make.
+
+BISON = bison
+JAVAC = javac
+JAVA = java
+XSLTPROC = xsltproc
+
+all: Calc.class
+
+%.java %.xml %.gv: %.y
+	$(BISON) $(BISONFLAGS) --xml --graph=$*.gv -o $*.java $<
+
+%.class: %.java
+	$(JAVAC) $(JAVACFLAGS) $<
+
+run: Calc.class
+	echo "Type arithmetic expressions.  Quit with ctrl-d."
+	$(JAVA) $(JAVAFLAGS) Calc
+
+html: Calc.html
+%.html: %.xml
+	$(XSLTPROC) $(XSLTPROCFLAGS) -o $@ $$($(BISON) --print-datadir)/xslt/xml2xhtml.xsl $<
+
+clean:
+	rm -f *.class Calc.java Calc.html Calc.xml Calc.gv

examples/java/local.mk

@@ -31,5 +31,5 @@ endif
 %D%/Calc.class: %D%/Calc.java
 	$(AM_V_GEN) $(SHELL) $(top_builddir)/javacomp.sh $<
 
-dist_java_DATA = %D%/Calc.y
+dist_java_DATA = %D%/Calc.y %D%/Makefile
 CLEANFILES += %D%/Calc.class %D%/Calc.java