##########################################################################
##         #   The Coq Proof Assistant / The Coq Development Team       ##
##  v      #   INRIA, CNRS and contributors - Copyright 1999-2018       ##
## <O___,, #       (see CREDITS file for the list of authors)           ##
##   \VV/  ###############################################################
##    //   #    This file is distributed under the terms of the         ##
##         #     GNU Lesser General Public License Version 2.1          ##
##         #     (see LICENSE file for the text of the license)         ##
##########################################################################

# Makefile for the Coq documentation

# To compile documentation, you need the following tools:
# Dvi: latex (latex2e), bibtex, makeindex
# Pdf: pdflatex
# Html: hevea (http://hevea.inria.fr) >= 1.05

# The main entry point :

documentation: doc-$(WITHDOC)  ## see $(WITHDOC) in config/Makefile
doc-all: doc
doc-no:

.PHONY: documentation doc-all doc-no

######################################################################
### Variables
######################################################################

LATEX:=latex
BIBTEX:=BIBINPUTS=.: bibtex -min-crossrefs=10
MAKEINDEX:=makeindex
PDFLATEX:=pdflatex
DVIPS:=dvips
HEVEA:=hevea
HEVEAOPTS:=-fix -exec xxdate.exe
HEVEALIB:=/usr/local/lib/hevea:/usr/lib/hevea
HTMLSTYLE:=coqremote
export TEXINPUTS:=$(HEVEALIB):
ifdef COQDOC_NOBOOT
COQTEXOPTS:=-n 72 -sl -small
else
COQTEXOPTS:=-boot -n 72 -sl -small
endif

# Sphinx-related variables
SPHINXOPTS= -j4
SPHINXBUILD= sphinx-build
SPHINXBUILDDIR= doc/sphinx/_build

# Internal variables.
ALLSPHINXOPTS= -d $(SPHINXBUILDDIR)/doctrees $(SPHINXOPTS)

DOCCOMMON:=doc/common/version.tex doc/common/title.tex doc/common/macros.tex

######################################################################
### General rules
######################################################################

.PHONY: doc doc-html doc-pdf doc-ps
.PHONY: stdlib full-stdlib sphinx
.PHONY: tutorial rectutorial

doc: refman tutorial rectutorial stdlib

ifndef QUICK
SPHINX_DEPS := coq
endif

# refman-html and refman-latex
refman-%: coq
	$(SHOW)'SPHINXBUILD doc/sphinx ($*)'
	$(HIDE)COQBIN="$(abspath bin)" $(SPHINXBUILD) -b $* \
		$(ALLSPHINXOPTS) doc/sphinx $(SPHINXBUILDDIR)/$*

refman-pdf: refman-latex
	+$(MAKE) -C $(SPHINXBUILDDIR)/latex

refman: coq
	+$(MAKE) refman-html
	+$(MAKE) refman-pdf

# compatibility alias
sphinx: refman-html

doc-html:\
  doc/tutorial/Tutorial.v.html doc/stdlib/html/index.html \
  doc/RecTutorial/RecTutorial.html refman-html

doc-pdf:\
  doc/tutorial/Tutorial.v.pdf doc/stdlib/Library.pdf \
  doc/RecTutorial/RecTutorial.pdf refman-pdf

doc-ps:\
  doc/tutorial/Tutorial.v.ps \
  doc/stdlib/Library.ps doc/RecTutorial/RecTutorial.ps

tutorial: \
  doc/tutorial/Tutorial.v.html doc/tutorial/Tutorial.v.ps doc/tutorial/Tutorial.v.pdf

stdlib: \
  doc/stdlib/html/index.html doc/stdlib/Library.ps doc/stdlib/Library.pdf

full-stdlib: \
  doc/stdlib/html/index.html doc/stdlib/FullLibrary.ps doc/stdlib/FullLibrary.pdf

rectutorial: doc/RecTutorial/RecTutorial.html \
  doc/RecTutorial/RecTutorial.ps doc/RecTutorial/RecTutorial.pdf

######################################################################
### Implicit rules
######################################################################

ifdef QUICK
%.v.tex: %.tex
	$(COQTEX) $(COQTEXOPTS) $<
else
%.v.tex: %.tex $(COQTEX) $(COQTOPEXE) $(ALLVO)
	$(COQTEX) $(COQTEXOPTS) $<
endif

%.ps: %.dvi
	(cd `dirname $<`; $(DVIPS) -q -o `basename $@` `basename $<`)

######################################################################
# Macros for filtering outputs
######################################################################

HIDEBIBTEXINFO=| grep -v "^A level-1 auxiliary file"
SHOWMAKEINDEXERROR=egrep '^!! Input index error|^\*\* Input style error|^   --'

######################################################################
# Common
######################################################################

### Version

doc/common/version.tex: config/Makefile
	printf '\\newcommand{\\coqversion}{$(VERSION)}' > doc/common/version.tex

######################################################################
# Tutorial
######################################################################

doc/tutorial/Tutorial.v.dvi: $(DOCCOMMON) doc/tutorial/Tutorial.v.tex
	(cd doc/tutorial;\
	$(LATEX) -interaction=batchmode Tutorial.v;\
	../tools/show_latex_messages Tutorial.v.log)

doc/tutorial/Tutorial.v.pdf: $(DOCCOMMON) doc/tutorial/Tutorial.v.tex
	(cd doc/tutorial;\
	$(PDFLATEX) -interaction=batchmode Tutorial.v.tex;\
	../tools/show_latex_messages Tutorial.v.log)

doc/tutorial/Tutorial.v.html: $(DOCCOMMON) doc/tutorial/Tutorial.v.tex
	(cd doc/tutorial; $(HEVEA) $(HEVEAOPTS) Tutorial.v)

######################################################################
# Standard library
######################################################################

### Standard library (browsable html format)

ifdef QUICK
doc/stdlib/html/genindex.html:
else
doc/stdlib/html/genindex.html: | $(COQDOC) $(ALLVO)
endif
	- rm -rf doc/stdlib/html
	$(MKDIR) doc/stdlib/html
	$(COQDOC) -q -d doc/stdlib/html --with-header doc/common/styles/html/$(HTMLSTYLE)/header.html --with-footer doc/common/styles/html/$(HTMLSTYLE)/footer.html --multi-index --html -g \
	  -R theories Coq -R plugins Coq $(VFILES)
	mv doc/stdlib/html/index.html doc/stdlib/html/genindex.html

doc/stdlib/index-list.html: doc/stdlib/index-list.html.template doc/stdlib/make-library-index
	./doc/stdlib/make-library-index doc/stdlib/index-list.html doc/stdlib/hidden-files

doc/stdlib/html/index.html: doc/stdlib/html/genindex.html doc/stdlib/index-list.html
	cat doc/common/styles/html/$(HTMLSTYLE)/header.html doc/stdlib/index-list.html > $@
	cat doc/common/styles/html/$(HTMLSTYLE)/footer.html >> $@

### Standard library (light version, full version is definitely too big)

ifdef QUICK
doc/stdlib/Library.coqdoc.tex:
else
doc/stdlib/Library.coqdoc.tex: | $(COQDOC) $(THEORIESLIGHTVO)
endif
	$(COQDOC) -q -boot --gallina --body-only --latex --stdout \
            -R theories Coq $(THEORIESLIGHTVO:.vo=.v) >> $@

doc/stdlib/Library.dvi: $(DOCCOMMON) doc/stdlib/Library.coqdoc.tex doc/stdlib/Library.tex
	(cd doc/stdlib;\
	$(LATEX) -interaction=batchmode Library;\
	$(LATEX) -interaction=batchmode Library > /dev/null;\
	../tools/show_latex_messages -no-overfull Library.log)

doc/stdlib/Library.pdf: $(DOCCOMMON) doc/stdlib/Library.coqdoc.tex doc/stdlib/Library.dvi
	(cd doc/stdlib;\
	$(PDFLATEX) -interaction=batchmode Library;\
	../tools/show_latex_messages -no-overfull Library.log)

### Standard library (full version if you're crazy enouth to try)

doc/stdlib/FullLibrary.tex: doc/stdlib/Library.tex
	sed -e 's/Library.coqdoc/FullLibrary.coqdoc/g;s/\\begin{document}/\\newcommand{\\textlambda}{\\ensuremath{\\lambda}}\\newcommand{\\textPi}{\\ensuremath{\\Pi}}\\begin{document}/' $< > $@

ifdef QUICK
doc/stdlib/FullLibrary.coqdoc.tex:
	$(COQDOC) -q -boot --gallina --body-only --latex --stdout --utf8 \
            -R theories Coq -R plugins Coq $(VFILES) > $@
	sed -i.tmp -e 's///g' $@ && rm $@.tmp
else
doc/stdlib/FullLibrary.coqdoc.tex: $(COQDOC) $(ALLVO)
	$(COQDOC) -q -boot --gallina --body-only --latex --stdout --utf8 \
            -R theories Coq -R plugins Coq $(VFILES) > $@
	sed -i.tmp -e 's///g' $@ && rm $@.tmp
endif

doc/stdlib/FullLibrary.dvi: $(DOCCOMMON) doc/stdlib/FullLibrary.coqdoc.tex doc/stdlib/FullLibrary.tex
	(cd doc/stdlib;\
	$(LATEX) -interaction=batchmode FullLibrary;\
	$(LATEX) -interaction=batchmode FullLibrary > /dev/null;\
	../tools/show_latex_messages -no-overfull FullLibrary.log)

doc/stdlib/FullLibrary.pdf: $(DOCCOMMON) doc/stdlib/FullLibrary.coqdoc.tex doc/stdlib/FullLibrary.dvi
	(cd doc/stdlib;\
	$(PDFLATEX) -interaction=batchmode FullLibrary;\
	../tools/show_latex_messages -no-overfull FullLibrary.log)

######################################################################
# Tutorial on inductive types
######################################################################

doc/RecTutorial/RecTutorial.dvi: doc/common/version.tex doc/common/title.tex doc/RecTutorial/RecTutorial.tex
	(cd doc/RecTutorial;\
	$(LATEX) -interaction=batchmode RecTutorial;\
	$(BIBTEX) -terse RecTutorial;\
	$(LATEX) -interaction=batchmode RecTutorial > /dev/null;\
	$(LATEX) -interaction=batchmode RecTutorial > /dev/null;\
	../tools/show_latex_messages RecTutorial.log)

doc/RecTutorial/RecTutorial.pdf: doc/common/version.tex doc/common/title.tex doc/RecTutorial/RecTutorial.dvi
	(cd doc/RecTutorial;\
	$(PDFLATEX) -interaction=batchmode RecTutorial.tex;\
	../tools/show_latex_messages RecTutorial.log)

doc/RecTutorial/RecTutorial.html: doc/RecTutorial/RecTutorial.tex
	(cd doc/RecTutorial; $(HEVEA) $(HEVEAOPTS) RecTutorial)

######################################################################
# Install all documentation files
######################################################################

.PHONY: install-doc install-doc-meta install-doc-html install-doc-printable \
	install-doc-index-urls install-doc-sphinx

install-doc: install-doc-meta install-doc-html install-doc-printable \
	install-doc-index-urls install-doc-sphinx

install-doc-meta:
	$(MKDIR) $(FULLDOCDIR)
	$(INSTALLLIB) doc/LICENSE $(FULLDOCDIR)/LICENSE.doc

install-doc-html: install-doc-stdlib-html install-doc-sphinx

install-doc-stdlib-html:
	$(MKDIR) $(FULLDOCDIR)/html/stdlib
	$(INSTALLLIB) doc/stdlib/html/* $(FULLDOCDIR)/html/stdlib
	$(INSTALLLIB) doc/RecTutorial/RecTutorial.html $(FULLDOCDIR)/html/RecTutorial.html
	$(INSTALLLIB) doc/tutorial/Tutorial.v.html $(FULLDOCDIR)/html/Tutorial.html

install-doc-printable: 
	$(MKDIR) $(FULLDOCDIR)/ps $(FULLDOCDIR)/pdf
	$(INSTALLLIB) doc/stdlib/Library.pdf $(FULLDOCDIR)/pdf
	$(INSTALLLIB) doc/stdlib/Library.ps $(FULLDOCDIR)/ps
	$(INSTALLLIB) doc/tutorial/Tutorial.v.pdf $(FULLDOCDIR)/pdf/Tutorial.pdf
	$(INSTALLLIB) doc/RecTutorial/RecTutorial.pdf $(FULLDOCDIR)/pdf/RecTutorial.pdf
	$(INSTALLLIB) doc/tutorial/Tutorial.v.ps $(FULLDOCDIR)/ps/Tutorial.ps
	$(INSTALLLIB) doc/RecTutorial/RecTutorial.ps $(FULLDOCDIR)/ps/RecTutorial.ps

install-doc-sphinx:
	$(MKDIR) $(FULLDOCDIR)/sphinx
	(for f in `cd doc/sphinx/_build; find . -type f`; do \
		$(MKDIR) $$(dirname $(FULLDOCDIR)/sphinx/$$f);\
		$(INSTALLLIB) doc/sphinx/_build/$$f $(FULLDOCDIR)/sphinx/$$f;\
	done)

###########################################################################
# Documentation of the source code (using ocamldoc)
###########################################################################

OCAMLDOCDIR=dev/ocamldoc

DOCMLLIBS= $(CORECMA:.cma=_MLLIB_DEPENDENCIES) $(PLUGINSCMO:.cmo=_MLPACK_DEPENDENCIES)
DOCMLS=$(foreach lib,$(DOCMLLIBS),$(addsuffix .ml, $($(lib))))

DOCMLIS=$(wildcard $(addsuffix /*.mli, $(SRCDIRS)))

# Defining options to generate dependencies graphs
DOT=dot
ODOCDOTOPTS=-dot -dot-reduce

.PHONY: source-doc mli-doc ml-doc

source-doc: mli-doc $(OCAMLDOCDIR)/coq.pdf

$(OCAMLDOCDIR)/coq.tex: $(DOCMLIS:.mli=.cmi)
	$(SHOW)'OCAMLDOC -latex -o $@'
	$(HIDE)$(OCAMLFIND) ocamldoc -latex -rectypes -I $(MYCAMLP5LIB) $(MLINCLUDES)\
	$(DOCMLIS) -noheader -t "Coq mlis documentation" \
	-intro $(OCAMLDOCDIR)/docintro -o $@.tmp
	$(SHOW)'OCAMLDOC utf8 fix'
	$(HIDE)$(OCAMLDOCDIR)/fix-ocamldoc-utf8 $@.tmp
	$(HIDE)cat $(OCAMLDOCDIR)/header.tex $@.tmp > $@
	rm $@.tmp

mli-doc: $(DOCMLIS:.mli=.cmi)
	$(SHOW)'OCAMLDOC -html'
	$(HIDE)$(OCAMLFIND) ocamldoc -charset utf-8 -html -rectypes -I +threads -I $(MYCAMLP5LIB) $(MLINCLUDES) \
	$(DOCMLIS) -d $(OCAMLDOCDIR)/html -colorize-code \
	-t "Coq mlis documentation" -intro $(OCAMLDOCDIR)/docintro \
	-css-style style.css

ml-dot: $(MLFILES)
	$(OCAMLFIND) ocamldoc -dot -dot-reduce -rectypes -I +threads -I $(CAMLLIB) -I $(MYCAMLP5LIB) $(MLINCLUDES) \
	$(filter $(addsuffix /%.ml,$(CORESRCDIRS)),$(MLFILES)) -o $(OCAMLDOCDIR)/coq.dot

%_dep.png: %.dot
	$(DOT) -Tpng $< -o $@

%_types.dot: %.mli
	$(OCAMLFIND) ocamldoc -rectypes $(MLINCLUDES) $(ODOCDOTOPTS) -dot-types -o $@ $<

OCAMLDOC_MLLIBD = $(OCAMLFIND) ocamldoc -rectypes $(MLINCLUDES) $(ODOCDOTOPTS) -o $@ \
  $(foreach lib,$(|:.mllib.d=_MLLIB_DEPENDENCIES),$(addsuffix .ml,$($(lib))))

%.dot: | %.mllib.d
	$(OCAMLDOC_MLLIBD)

ml-doc:
	$(SHOW)'OCAMLDOC -html'
	$(HIDE)mkdir -p $(OCAMLDOCDIR)/html/implementation
	$(HIDE)$(OCAMLFIND) ocamldoc -charset utf-8 -html -rectypes -I +threads $(MLINCLUDES) $(COQIDEFLAGS) \
	$(DOCMLS) -d $(OCAMLDOCDIR)/html/implementation -colorize-code \
	-t "Coq mls documentation" \
	-css-style ../style.css

parsing/parsing.dot : | parsing/parsing.mllib.d
	$(OCAMLDOC_MLLIBD)

grammar/grammar.dot : | grammar/grammar.mllib.d
	$(OCAMLDOC_MLLIBD)

tactics/tactics.dot: | tactics/tactics.mllib.d ltac/ltac.mllib.d
	$(OCAMLDOC_MLLIBD)

%.dot: %.mli
	$(OCAMLFIND) ocamldoc -rectypes $(MLINCLUDES) $(ODOCDOTOPTS) -o $@ $<

$(OCAMLDOCDIR)/%.pdf: $(OCAMLDOCDIR)/%.tex
	$(SHOW)'PDFLATEX $*.tex'
	$(HIDE)(cd $(OCAMLDOCDIR) ; pdflatex -interaction=batchmode $*.tex && pdflatex -interaction=batchmode $*.tex)
	$(HIDE)(cd doc/tools/; ./show_latex_messages -no-overfull ../../$(OCAMLDOCDIR)/$*.log)

# For emacs:
# Local Variables:
# mode: makefile
# End: