add haddock/hscolour/hoole make targets like the ones in darcs

Makefile

@@ -28,9 +28,6 @@ test:
 	@./hledger.hs test
 	@./regtest.py
 
-docs haddock:
-	haddock -h -o doc *.hs
-
 loc:
 	@darcs trackdown 'find . -name "*hs" |xargs wc -l |echo OUTPUT `tail -1`; false' |ruby -nae'puts $$F[1] if /^OUTPUT/'
 
@@ -40,6 +37,71 @@ Tags:
 clean:
 	rm -f *.o *.hi *~ 1 2
 
-Clean: clean
+clean-docs:
+	rm -rf api-doc hoogle
+
+Clean: clean clean-docs
 	rm -f hledger hledgeropt TAGS tags
 
+# docs
+
+MAIN=hledger.hs
+
+docs: haddock-with-source hoogleweb api-doc-frames
+
+api-doc-dir:
+	mkdir -p api-doc
+
+haddock: api-doc-dir $(MAIN)
+	echo "Generating haddock api docs" ; \
+	haddock --no-warnings --ignore-all-exports -B `ghc --print-libdir` -o api-doc -h $(filter-out %api-doc-dir,$^) ; \
+	cp api-doc/index.html api-doc/modules-index.html
+
+haddock-with-source: api-doc-dir colourised-source $(MAIN)
+	echo "Generating haddock api docs" ; \
+	haddock --no-warnings --ignore-all-exports -B `ghc --print-libdir` -o api-doc -h --source-module=src-%{MODULE/./-}.html --source-entity=src-%{MODULE/./-}.html#%N $(filter-out %api-doc-dir colourised-source,$^) ; \
+	cp api-doc/index.html api-doc/modules-index.html
+
+# convert haddock output to a rough but useful frame layout. Run after haddock.
+# if frames.html includes a hoogle pane, ensure the hoogle cgi is built with base target "main"
+api-doc-frames:
+	echo "Converting api docs to frames" ; \
+	sed -i -e 's%^></HEAD%><base target="main"></HEAD%' api-doc/modules-index.html ; \
+	cp data/frames.html api-doc/index.html
+
+colourised-source: api-doc-dir
+	echo "Generating colourised source" ; \
+	for f in *hs; do \
+		HsColour -css -anchor $$f -oapi-doc/`echo "src/"$$f | sed -e's%/%-%g' | sed -e's%\.hs$$%.html%'` ; \
+	done ; \
+	HsColour -print-css >api-doc/hscolour.css
+
+#generate a hoogle index
+#uses system hoogle, works around http://code.google.com/p/ndmitchell/issues/detail?id=93
+#to use: hoogle --data=hoogle/default ...
+hoogleindex: $(MAIN)
+	echo "Generating hoogle index" ; \
+	mkdir -p hoogle && \
+	haddock --no-warnings --ignore-all-exports -B `ghc --print-libdir` -o hoogle --hoogle $^ && \
+	cd hoogle && \
+	sed -i -e 's/^(_/-- (_/' main.txt && \
+	hoogle --convert=main.txt --output=default.hoo
+
+#set up the hoogle web interface
+#uses a hoogle source tree configured with --datadir=., patched to fix haddock urls/target frame
+HOOGLESRC=/usr/local/src/hoogle
+HOOGLE=$(HOOGLESRC)/dist/build/hoogle/hoogle
+HOOGLEVER=`$(HOOGLE) --version |tail -n 1 | sed -e 's/Version /hoogle-/'`
+hoogleweb: hoogleindex
+	echo "Configuring hoogle web interface" ; \
+	if test -f $(HOOGLE) ; then \
+		mkdir -p hoogle && \
+		cd hoogle && \
+		rm -f $(HOOGLEVER) && \
+		ln -s . $(HOOGLEVER) && \
+		cp -r $(HOOGLESRC)/src/res/ . && \
+		cp -p $(HOOGLE) index.cgi && \
+		touch log.txt && chmod 666 log.txt ; \
+	else \
+		echo "Could not find $(HOOGLE) in the hoogle source tree" ; \
+	fi