xref: /openjdk10/make/Docs.gmk

# Copyright (c) 1997, 2017, Oracle and/or its affiliates. All rights reserved.
# DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
#
# This code is free software; you can redistribute it and/or modify it
# under the terms of the GNU General Public License version 2 only, as
# published by the Free Software Foundation.  Oracle designates this
# particular file as subject to the "Classpath" exception as provided
# by Oracle in the LICENSE file that accompanied this code.
#
# This code is distributed in the hope that it will be useful, but WITHOUT
# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
# FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
# version 2 for more details (a copy is included in the LICENSE file that
# accompanied this code).
#
# You should have received a copy of the GNU General Public License version
# 2 along with this work; if not, write to the Free Software Foundation,
# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
#
# Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
# or visit www.oracle.com if you need additional information or have any
# questions.
#

default: all

include $(SPEC)
include MakeBase.gmk
include Modules.gmk
include ProcessMarkdown.gmk
include ZipArchive.gmk
include $(JDK_TOPDIR)/make/Tools.gmk
include $(JDK_TOPDIR)/make/ModuleTools.gmk

# This is needed to properly setup DOCS_MODULES.
$(eval $(call ReadImportMetaData))

################################################################################

# Hook to include the corresponding custom file, if present.
$(eval $(call IncludeCustomExtension, , Docs.gmk))

################################################################################
# Javadoc settings

# On top of the sources that was used to compile the JDK, we need some
# extra java.rmi sources that are used just for javadoc.
MODULES_SOURCE_PATH := $(call PathList, $(call GetModuleSrcPath) \
    $(SUPPORT_OUTPUTDIR)/rmic/* $(JDK_TOPDIR)/src/*/share/doc/stub)

# Should we use -Xdocrootparent? Allow custom to overwrite.
DOCROOTPARENT_FLAG ?= TRUE

# URLs
JAVADOC_BASE_URL := http://www.oracle.com/pls/topic/lookup?ctx=javase9&id=homepage
BUG_SUBMIT_URL := http://bugreport.java.com/bugreport/
COPYRIGHT_URL := {@docroot}/../legal/cpyr.html
LICENSE_URL := http://www.oracle.com/technetwork/java/javase/terms/license/java9speclicense.html
REDISTRIBUTION_URL := http://www.oracle.com/technetwork/java/redist-137594.html


# In order to get a specific ordering it's necessary to specify the total
# ordering of tags as the tags are otherwise ordered in order of definition.
JAVADOC_TAGS := \
    -tag beaninfo:X \
    -tag revised:X \
    -tag since.unbundled:X \
    -tag spec:X \
    -tag specdefault:X \
    -tag Note:X \
    -tag ToDo:X \
    -tag 'apiNote:a:API Note:' \
    -tag 'implSpec:a:Implementation Requirements:' \
    -tag 'implNote:a:Implementation Note:' \
    -tag param \
    -tag return \
    -tag throws \
    -taglet build.tools.taglet.ModuleGraph \
    -tag since \
    -tag version \
    -tag serialData \
    -tag factory \
    -tag see \
    -tag 'jvms:a:See <cite>The Java&trade; Virtual Machine Specification</cite>:' \
    -tag 'jls:a:See <cite>The Java&trade; Language Specification</cite>:' \
    -taglet build.tools.taglet.ExtLink \
    -taglet build.tools.taglet.Incubating \
    -tagletpath $(BUILDTOOLS_OUTPUTDIR)/jdk_tools_classes \
    $(CUSTOM_JAVADOC_TAGS) \
    #

# Which doclint checks to ignore
JAVADOC_DISABLED_DOCLINT := accessibility html missing syntax reference

# The initial set of options for javadoc
JAVADOC_OPTIONS := -XDignore.symbol.file=true -use -keywords -notimestamp \
    -serialwarn -encoding ISO-8859-1 -breakiterator -splitIndex --system none \
    -html5 -javafx --expand-requires transitive

# Should we add DRAFT stamps to the generated javadoc?
ifeq ($(VERSION_IS_GA), true)
  IS_DRAFT := false
else
  IS_DRAFT := true
endif

################################################################################
# General text snippets

FULL_COMPANY_NAME := Oracle and/or its affiliates
COMPANY_ADDRESS := 500 Oracle Parkway<br>Redwood Shores, CA 94065 USA

ifeq ($(IS_DRAFT), true)
  DRAFT_MARKER_STR := <br><strong>DRAFT $(VERSION_STRING)</strong>
  ifeq ($(VERSION_BUILD), 0)
    DRAFT_MARKER_TITLE := [ad-hoc build]
  else
    DRAFT_MARKER_TITLE := [build $(VERSION_BUILD)]
  endif
endif

JAVADOC_WINDOW_TITLE := Java Platform SE $(VERSION_SPECIFICATION) \
    $(DRAFT_MARKER_TITLE)

JAVADOC_HEADER_TITLE := $(subst $(SPACE),&nbsp;,$(strip \
    <strong>Java&trade; Platform<br>Standard Ed. \
    $(VERSION_SPECIFICATION)</strong>$(DRAFT_MARKER_STR)))

JAVADOC_BOTTOM := \
    <span style="font-size:smaller"> \
    <a href="$(BUG_SUBMIT_URL)">Submit a bug or feature</a><br> \
    For further API reference and developer documentation, see \
    <a href="$(JAVADOC_BASE_URL)/index.html" target="_blank">Java SE \
    Documentation</a>. That documentation contains more detailed, \
    developer-targeted descriptions, with conceptual overviews, definitions \
    of terms, workarounds, and working code examples.<br> \
    Java is a trademark or registered trademark of $(FULL_COMPANY_NAME) in \
    the US and other countries.<br> \
    <a href="$(COPYRIGHT_URL)">Copyright</a> \
    &copy; 1993, $(COPYRIGHT_YEAR), $(FULL_COMPANY_NAME). \
    $(COMPANY_ADDRESS). All rights reserved. \
    Use is subject to <a href="$(LICENSE_URL)">license terms</a>. Also see the \
    <a href="$(REDISTRIBUTION_URL)">documentation redistribution policy</a>. \
    $(DRAFT_MARKER_STR)</span>

JAVADOC_TOP := \
    <div style="background-color: $(HASH)EEEEEE"><div style="padding: 6px; \
    margin-top: 2px; margin-bottom: 6px; margin-left: 6px; margin-right: \
    6px; text-align: justify; font-size: 80%; font-family: Helvetica, Arial, \
    sans-serif; font-weight: normal;">Please note that the specifications \
    and other information contained herein are not final and are subject to \
    change. The information is being made available to you solely for \
    purpose of evaluation.</div></div>

################################################################################
# JDK javadoc titles/text snippets

JDK_JAVADOC_DOC_TITLE := Java&trade; Platform, Standard Edition Development Kit \
    (JDK&trade;) $(VERSION_SPECIFICATION)<br>API Specification

################################################################################
# Java SE javadoc titles/text snippets

JAVASE_JAVADOC_DOC_TITLE := Java&trade; Platform, Standard Edition \
    $(VERSION_SPECIFICATION)<br>API Specification

################################################################################
# Functions

# Helper function for creating a png file from a dot file generated by the
# GenGraphs tool.
# param 1: SetupJavadocGeneration namespace ($1)
# param 2: module name
#
define setup_gengraph_dot_to_png
  $1_$2_DOT_SRC :=  $$($1_GENGRAPHS_DIR)/$2.dot
  $1_$2_PNG_TARGET := $$($1_TARGET_DIR)/$2-graph.png

    # For each module needing a graph, create a png file from the dot file
    # generated by the GenGraphs tool and store it in the target dir.
    $$($1_$2_PNG_TARGET): $$($1_GENGRAPHS_MARKER)
	$$(call MakeDir, $$(@D))
	$$(call ExecuteWithLog, $$($1_$2_DOT_SRC), \
	    $$(DOT) -Tpng -o $$($1_$2_PNG_TARGET) $$($1_$2_DOT_SRC))

  $1_MODULEGRAPH_TARGETS += $$($1_$2_PNG_TARGET)
endef

################################################################################
# Setup make rules for creating the API documentation, using javadoc and other
# tools if needed.
#
# Parameter 1 is the name of the rule. This name is used as variable prefix.
# Targets generated are returned as $1_JAVADOC_TARGETS and
# $1_MODULEGRAPH_TARGETS. Note that the index.html file will work as a "touch
# file" for all the magnitude of files that are generated by javadoc.
#
# Remaining parameters are named arguments. These include:
#   MODULES - Modules to generate javadoc for
#   NAME - The name of the javadoc compilation, to be presented to the user
#   TARGET_DIR - Where to store the output
#   OVERVIEW - Path to an html overview file
#   DOC_TITLE - Title to use in -doctitle.
#   WINDOW_TITLE - Title to use in -windowtitle.
#   HEADER_TITLE - Title to use in -header.
#   BOTTOM_TEXT - Text to use in -bottom.
#   TOP_TEXT - Text to use in -top.
#
SetupApiDocsGeneration = $(NamedParamsMacroTemplate)
define SetupApiDocsGenerationBody

  # Figure out all modules, both specified and transitive, that will be processed
  # by javadoc.
  $1_TRANSITIVE_MODULES := $$(call FindTransitiveDepsForModules, $$($1_MODULES))
  $1_ALL_MODULES := $$(sort $$($1_MODULES) $$($1_TRANSITIVE_MODULES))

  ifeq ($$(ENABLE_FULL_DOCS), true)
    # Tell the ModuleGraph taglet to generate html links to soon-to-be-created
    # png files with module graphs.
    $1_JAVA_ARGS += -DenableModuleGraph=true
  endif

  # Always include tags and basic options
  $1_OPTIONS := $$(JAVADOC_TAGS) $$(JAVADOC_OPTIONS)

  $1_OPTIONS += -overview $$($1_OVERVIEW)
  $1_OPTIONS += --module-source-path $$(MODULES_SOURCE_PATH)
  $1_OPTIONS += --module $$(call CommaList, $$($1_MODULES))

  # Create a string like "-Xdoclint:all,-syntax,-html,..."
  $1_OPTIONS += -Xdoclint:all,$$(call CommaList, $$(addprefix -, \
      $$(JAVADOC_DISABLED_DOCLINT)))

  ifeq ($$($$DOCROOTPARENT_FLAG), TRUE)
    $1_OPTIONS += -Xdocrootparent $$(JAVADOC_BASE_URL)
  endif

  $1_OPTIONS += -doctitle '$$($1_DOC_TITLE)'
  $1_OPTIONS += -windowtitle '$$($1_WINDOW_TITLE)'
  $1_OPTIONS += -header '$$($1_HEADER_TITLE)'
  $1_OPTIONS += -bottom '$$($1_BOTTOM_TEXT)'
  ifeq ($$(IS_DRAFT), true)
    $1_OPTIONS += -top '$$($1_TOP_TEXT)'
  endif

  # Do not store debug level options in VARDEPS.
  ifneq ($$(LOG_LEVEL), trace)
    $1_LOG_OPTION += -quiet
  else
    $1_LOG_OPTION += -verbose
  endif

  $1_VARDEPS := $$($1_JAVA_ARGS) $$($1_OPTIONS) $$(MODULES_SOURCE_PATH) \
      $$($1_ALL_MODULES)
  $1_VARDEPS_FILE := $$(call DependOnVariable, $1_VARDEPS, \
      $$(SUPPORT_OUTPUTDIR)/docs/$1.vardeps)

  # Get a list of all files in all the source dirs for all included modules
  $1_SOURCE_DEPS := $$(call CacheFind, $$(wildcard $$(foreach module, \
      $$($1_ALL_MODULES), $$(call FindModuleSrcDirs, $$(module)))))

  # Javadoc creates a lot of files but use index.html as a marker
  $$($1_TARGET_DIR)/index.html: $$(BUILD_TOOLS_JDK) $$($1_VARDEPS_FILE) \
      $$($1_SOURCE_DEPS) $$($1_OVERVIEW)
	$$(call LogWarn, Generating $$($1_NAME) API javadoc for \
	    $$(words $$($1_ALL_MODULES)) modules)
	$$(call LogInfo, Javadoc modules: $$($1_ALL_MODULES))
	$$(call MakeDir, $$($1_TARGET_DIR))
	$$(call ExecuteWithLog, $$(SUPPORT_OUTPUTDIR)/docs/$1, \
	    $$(JAVA) -Djava.awt.headless=true $$($1_JAVA_ARGS) \
	        $$(NEW_JAVADOC) -d $$($1_TARGET_DIR) \
	        $$(JAVADOC_TAGS) $$($1_OPTIONS) $$($1_LOG_OPTION))

  $1_JAVADOC_TARGETS := $$($1_TARGET_DIR)/index.html

  ifeq ($$(ENABLE_FULL_DOCS), true)
    # We have asked ModuleGraph to generate links to png files. Now we must
    # produce the png files.

    # Locate which modules has the @moduleGraph tag in their module-info.java
    $1_MODULES_NEEDING_GRAPH := $$(strip $$(foreach m, $$($1_ALL_MODULES), \
      $$(if $$(shell $$(GREP) -e @moduleGraph \
          $$(wildcard $$(addsuffix /module-info.java, \
          $$(call FindModuleSrcDirs, $$m)))), \
        $$m) \
    ))

    # First we run the GenGraph tool. It will query the module structure of the
    # running JVM and output .dot files for all existing modules.
    GENGRAPHS_PROPS := \
        $$(JDK_TOPDIR)/make/src/classes/build/tools/jigsaw/javadoc-graphs.properties

    $1_GENGRAPHS_DIR := $$(SUPPORT_OUTPUTDIR)/docs/$1-gengraphs
    $1_GENGRAPHS_MARKER := $$($1_GENGRAPHS_DIR)/_gengraphs_run.marker

    $$($1_GENGRAPHS_MARKER): $$(BUILD_JIGSAW_TOOLS) $$(GENGRAPHS_PROPS)
	$$(call LogInfo, Running gengraphs for $$($1_NAME) API documentation)
	$$(call MakeDir, $$($1_GENGRAPHS_DIR))
	$$(call ExecuteWithLog, $$($1_GENGRAPHS_DIR)/gengraphs, \
	    $$(TOOL_GENGRAPHS) --spec --output $$($1_GENGRAPHS_DIR) \
	    --dot-attributes $$(GENGRAPHS_PROPS) && \
	    $$(TOUCH) $$($1_GENGRAPHS_MARKER))

    # For each module needing a graph, create a png file from the dot file
    # generated by the GenGraphs tool and store it in the target dir.
    # They will depend on $1_GENGRAPHS_MARKER, and will be added to $1.
    $$(foreach m, $$($1_MODULES_NEEDING_GRAPH), \
      $$(eval $$(call setup_gengraph_dot_to_png,$1,$$m)) \
    )
  endif
endef

################################################################################
# Setup generation of the JDK API documentation (javadoc + modulegraph)

# All modules to have docs generated by docs-jdk-api target
JDK_JAVADOC_MODULES := $(sort $(DOCS_MODULES))

JDK_JAVADOC_OVERVIEW := $(JDK_TOPDIR)/src/java.base/share/classes/overview-core.html

$(eval $(call SetupApiDocsGeneration, JDK_API, \
    MODULES := $(JDK_JAVADOC_MODULES), \
    NAME := JDK, \
    TARGET_DIR := $(DOCS_OUTPUTDIR)/api, \
    OVERVIEW := $(JDK_JAVADOC_OVERVIEW), \
    DOC_TITLE := $(JDK_JAVADOC_DOC_TITLE), \
    WINDOW_TITLE := $(JAVADOC_WINDOW_TITLE), \
    HEADER_TITLE := $(JAVADOC_HEADER_TITLE), \
    BOTTOM_TEXT := $(JAVADOC_BOTTOM), \
    TOP_TEXT := $(JAVADOC_TOP), \
))

# Targets generated are returned in JDK_API_JAVADOC_TARGETS and
# JDK_API_MODULEGRAPH_TARGETS.

################################################################################
# Setup generation of the Java SE API documentation (javadoc + modulegraph)

# The Java SE module scope is just java.se.ee and it's transitive modules.
JAVASE_JAVADOC_MODULES := java.se.ee

JAVASE_JAVADOC_OVERVIEW := $(JDK_TOPDIR)/src/java.base/share/classes/overview-core.html

$(eval $(call SetupApiDocsGeneration, JAVASE_API, \
    MODULES := $(JAVASE_JAVADOC_MODULES), \
    NAME := Java SE, \
    TARGET_DIR := $(IMAGES_OUTPUTDIR)/javase-docs/api, \
    OVERVIEW := $(JAVASE_JAVADOC_OVERVIEW), \
    DOC_TITLE := $(JAVASE_JAVADOC_DOC_TITLE), \
    WINDOW_TITLE := $(JAVADOC_WINDOW_TITLE), \
    HEADER_TITLE := $(JAVADOC_HEADER_TITLE), \
    BOTTOM_TEXT := $(JAVADOC_BOTTOM), \
    TOP_TEXT := $(JAVADOC_TOP), \
))

# Targets generated are returned in JAVASE_API_JAVADOC_TARGETS and
# JAVASE_API_MODULEGRAPH_TARGETS.

################################################################################
# Copy JDK specs files

# For all html documentation in $module/share/specs directories, copy it
# unmodified

ALL_MODULES := $(call FindAllModules)
COPY_SPEC_FILTER := %.html %.gif %.jpg %.mib %.css

$(foreach m, $(ALL_MODULES), \
  $(eval SPECS_$m := $(call FindModuleSpecsDirs, $m)) \
  $(foreach d, $(SPECS_$m), \
    $(if $(filter $(COPY_SPEC_FILTER), $(call CacheFind, $d)), \
      $(eval $(call SetupCopyFiles, COPY_$m, \
          SRC := $d, \
          FILES := $(filter $(COPY_SPEC_FILTER), $(call CacheFind, $d)), \
          DEST := $(DOCS_OUTPUTDIR)/specs/, \
      )) \
      $(eval JDK_SPECS_TARGETS += $(COPY_$m)) \
    ) \
  ) \
)

# Copy the global resources
GLOBAL_SPECS_RESOURCES_DIR := $(JDK_TOPDIR)/make/data/docs-resources/specs
$(eval $(call SetupCopyFiles, COPY_GLOBAL_RESOURCES, \
    SRC := $(GLOBAL_SPECS_RESOURCES_DIR), \
    FILES := $(call CacheFind, $(GLOBAL_SPECS_RESOURCES_DIR)), \
    DEST := $(DOCS_OUTPUTDIR)/specs/, \
))
JDK_SPECS_TARGETS += $(COPY_GLOBAL_RESOURCES)

ifeq ($(ENABLE_FULL_DOCS), true)
  # For all markdown files in $module/share/specs directories, convert them to
  # html.

  GLOBAL_SPECS_DEFAULT_CSS_FILE := $(DOCS_OUTPUTDIR)/specs/resources/jdk-default.css

  $(foreach m, $(ALL_MODULES), \
    $(eval SPECS_$m := $(call FindModuleSpecsDirs, $m)) \
    $(foreach d, $(SPECS_$m), \
      $(if $(filter %.md, $(call CacheFind, $d)), \
        $(eval $(call SetupProcessMarkdown, CONVERT_MARKDOWN_$m_$(patsubst $(TOPDIR)/%,%,$d), \
            SRC := $d, \
            FILES := $(filter %.md, $(call CacheFind, $d)), \
            DEST := $(DOCS_OUTPUTDIR)/specs/, \
            CSS := $(GLOBAL_SPECS_DEFAULT_CSS_FILE), \
        )) \
      ) \
      $(eval JDK_SPECS_TARGETS += $(CONVERT_MARKDOWN_$m_$(patsubst $(TOPDIR)/%,%,$d))) \
    ) \
  )
endif

# Special treatment for generated documentation

JDWP_PROTOCOL := $(SUPPORT_OUTPUTDIR)/gensrc/jdk.jdi/jdwp-protocol.html
$(eval $(call SetupCopyFiles, COPY_JDWP_PROTOCOL, \
    FILES := $(JDWP_PROTOCOL), \
    DEST := $(DOCS_OUTPUTDIR)/specs/jdwp, \
))
JDK_SPECS_TARGETS += $(COPY_JDWP_PROTOCOL)

# Get jvmti.html from the main jvm variant (all variants' jvmti.html are identical).
JVMTI_HTML := $(HOTSPOT_OUTPUTDIR)/variant-$(JVM_VARIANT_MAIN)/gensrc/jvmtifiles/jvmti.html
$(eval $(call SetupCopyFiles, COPY_JVMTI_HTML, \
    FILES := $(JVMTI_HTML), \
    DEST := $(DOCS_OUTPUTDIR)/specs, \
))
JDK_SPECS_TARGETS += $(COPY_JVMTI_HTML)

################################################################################
# Optional target which bundles all generated javadocs into a zip archive.

JAVADOC_ZIP_NAME := jdk-$(VERSION_STRING)-docs.zip
JAVADOC_ZIP_FILE := $(OUTPUT_ROOT)/bundles/$(JAVADOC_ZIP_NAME)

$(eval $(call SetupZipArchive, BUILD_JAVADOC_ZIP, \
    SRC := $(DOCS_OUTPUTDIR), \
    ZIP := $(JAVADOC_ZIP_FILE), \
    EXTRA_DEPS := $(JDK_API_JAVADOC_TARGETS) $(JDK_API_MODULEGRAPH_TARGETS) \
        $(JDK_SPECS_TARGETS), \
))

ZIP_TARGETS += $(BUILD_JAVADOC_ZIP)

################################################################################

docs-jdk-api-javadoc: $(JDK_API_JAVADOC_TARGETS) $(JDK_API_CUSTOM_TARGETS)

docs-jdk-api-modulegraph: $(JDK_API_MODULEGRAPH_TARGETS)

docs-javase-api-javadoc: $(JAVASE_API_JAVADOC_TARGETS) $(JAVASE_API_CUSTOM_TARGETS)

docs-javase-api-modulegraph: $(JAVASE_API_MODULEGRAPH_TARGETS)

docs-jdk-specs: $(JDK_SPECS_TARGETS)

docs-zip: $(ZIP_TARGETS)

all: docs-jdk-api-javadoc docs-jdk-api-modulegraph docs-javase-api-javadoc \
    docs-javase-api-modulegraph docs-jdk-specs docs-zip

.PHONY: default all docs-jdk-api-javadoc docs-jdk-api-modulegraph \
    docs-javase-api-javadoc docs-javase-api-modulegraph docs-jdk-specs docs-zip