# Copyright (c) 1997, 2018, 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 $(TOPDIR)/make/ToolsJdk.gmk

include $(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))

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

# This file generates all documentation for OpenJDK.

#

# We will generate API documentation for two different selections of the source

# code: "Java SE", which contains just the modules covered by the top-level

# module java.se and "JDK", which covers all of Java SE and also all

# other available modules that should be documented, including imported modules,

# if any.

#

# We will also generate separate, free-standing specifications from either

# markdown or existing html files.

#

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

# 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/* $(TOPDIR)/src/*/share/doc/stub)

# URLs

JAVADOC_BASE_URL := https://docs.oracle.com/pls/topic/lookup?ctx=javase$(VERSION_NUMBER)&id=homepage

BUG_SUBMIT_URL := https://bugreport.java.com/bugreport/

COPYRIGHT_URL := {@docroot}/../legal/copyright.html

LICENSE_URL := https://www.oracle.com/technetwork/java/javase/terms/license/java$(VERSION_NUMBER)speclicense.html

REDISTRIBUTION_URL := https://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 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) \

    #

# The reference tags must stay stable to allow for comparisons across the

# development cycle. If JAVADOC_TAGS needs to change, make sure that

# REFERENCE_TAGS remains unchanged, by copying and hardcoding, if necessary.

REFERENCE_TAGS := $(JAVADOC_TAGS)

# Which doclint checks to ignore

JAVADOC_DISABLED_DOCLINT := accessibility html missing syntax reference

# The initial set of options for javadoc

JAVADOC_OPTIONS := -use -keywords -notimestamp \

    -serialwarn -encoding ISO-8859-1 -docencoding UTF-8 -breakiterator \

    -splitIndex --system none -javafx --expand-requires transitive \

    --override-methods=summary

# The reference options must stay stable to allow for comparisons across the

# development cycle.

REFERENCE_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, Redwood Shores, CA 94065 USA

JAVA_PLATFORM := Java Platform

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

  DRAFT_TEXT := This specification is not final and is subject to change. \

      Use is subject to <a href="$(LICENSE_URL)">license terms</a>.

  # Workaround stylesheet bug

  HEADER_STYLE := style="margin-top: 9px;"

else

  HEADER_STYLE := style="margin-top: 14px;"

endif

JAVADOC_BOTTOM := \

    <a href="$(BUG_SUBMIT_URL)">Report a bug or suggest an enhancement</a><br> \

    For further API reference and developer documentation see the \

    <a href="$(JAVADOC_BASE_URL)" target="_blank">Java SE \

    Documentation</a>, which 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> \

    © 1993, $(COPYRIGHT_YEAR), $(FULL_COMPANY_NAME), \

    $(COMPANY_ADDRESS).<br>All rights reserved. \

    Use is subject to <a href="$(LICENSE_URL)">license terms</a> and the \

    <a href="$(REDISTRIBUTION_URL)">documentation redistribution policy</a>. \

    $(DRAFT_MARKER_STR) <!-- Version $(VERSION_STRING) -->

JAVADOC_TOP := \

    <div style="padding: 6px; text-align: center; font-size: 80%; \

    font-family: DejaVu Sans, Arial, Helvetica, sans-serif; \

    font-weight: normal;">$(DRAFT_TEXT)</div>

JDK_INDEX_CONTENT := \

    <!DOCTYPE html> \

    <html lang="en"> \

    <head> \

    <meta http-equiv="refresh" content="0;url=api/index.html"> \

    </head> \

    </html>

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

# JDK javadoc titles/text snippets

JDK_SHORT_NAME := Java SE $(VERSION_SPECIFICATION) & JDK $(VERSION_SPECIFICATION)

JDK_LONG_NAME := Java<sup>&reg;</sup> Platform, Standard Edition \

    & Java Development Kit

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

# Java SE javadoc titles/text snippets

JAVASE_SHORT_NAME := Java SE $(VERSION_SPECIFICATION)

JAVASE_LONG_NAME := Java<sup>&reg;</sup> Platform, Standard Edition

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

# 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/module-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

# Helper function to create the overview.html file to use with the -overview

# javadoc option.

# Returns the filename as $1_OVERVIEW.

#

# param 1: SetupJavadocGeneration namespace ($1)

define create_overview_file

  $1_OVERVIEW_TEXT := \

      <!DOCTYPE html> \

      <html><head></head><body> \

      #

  ifneq ($$($1_GROUPS),)

    $1_OVERVIEW_TEXT += \

      <p>This document is divided into \

      $$(subst 2,two,$$(subst 3,three,$$(words $$($1_GROUPS)))) sections:</p> \

      <blockquote><dl> \

      #

    $1_OVERVIEW_TEXT += $$(foreach g, $$($1_GROUPS), \

        <dt style="margin-top: 8px;">$$($$g_GROUP_NAME)</dt> \

        <dd style="margin-top: 8px;">$$($$g_GROUP_DESCRIPTION)</dd> \

    )

    $1_OVERVIEW_TEXT += \

        </dl></blockquote> \

        #

  endif

  $1_OVERVIEW_TEXT += \

      </body></html> \

      #

  $1_OVERVIEW := $$(SUPPORT_OUTPUTDIR)/docs/$1-overview.html

  $1_OVERVIEW_VARDEPS_FILE := $$(call DependOnVariable, $1_OVERVIEW_TEXT, \

      $$($1_OVERVIEW).vardeps)

  $$($1_OVERVIEW): $$($1_OVERVIEW_VARDEPS_FILE)

	$$(call LogInfo, Creating overview.html for $1)

	$$(call MakeDir, $$(@D))

	$$(PRINTF) > $$@ '$$($1_OVERVIEW_TEXT)'

endef

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

# Setup make rules to create an API documentation collection, 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

#   GROUPS - Name of the groups to divide the modules into, if any

#   SHORT_NAME - The short name of this documentation collection

#   LONG_NAME - The long name of this documentation collection

#   TARGET_DIR - Where to store the output

#

SetupApiDocsGeneration = $(NamedParamsMacroTemplate)

define SetupApiDocsGenerationBody

  # Figure out all modules, both specified and transitive indirect exports, that

  # will be processed by javadoc.

  $1_INDIRECT_EXPORTS := $$(call FindTransitiveIndirectDepsForModules, $$($1_MODULES))

  $1_ALL_MODULES := $$(sort $$($1_MODULES) $$($1_INDIRECT_EXPORTS))

  $1_JAVA_ARGS := -Dextlink.spec.version=$$(VERSION_SPECIFICATION)

  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

  # Start with basic options and tags

  ifeq ($$($1_OPTIONS), )

    $1_OPTIONS := $$(JAVADOC_OPTIONS)

  endif

  ifeq ($$($1_TAGS), )

    $1_TAGS := $$(JAVADOC_TAGS)

  endif

  $1_OPTIONS += $$($1_TAGS)

  $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)))

  $1_DOC_TITLE := $$($1_LONG_NAME)<br>Version $$(VERSION_SPECIFICATION) API \

      Specification

  $1_WINDOW_TITLE := $$(subst &,&,$$($1_SHORT_NAME)) $$(DRAFT_MARKER_TITLE)

  $1_HEADER_TITLE := <div $$(HEADER_STYLE)><strong>$$($1_SHORT_NAME)</strong> \

      $$(DRAFT_MARKER_STR)</div>

  $1_OPTIONS += -doctitle '$$($1_DOC_TITLE)'

  $1_OPTIONS += -windowtitle '$$($1_WINDOW_TITLE)'

  $1_OPTIONS += -header '$$($1_HEADER_TITLE)'

  $1_OPTIONS += -bottom '$$(JAVADOC_BOTTOM)'

  ifeq ($$(IS_DRAFT), true)

    $1_OPTIONS += -top '$$(JAVADOC_TOP)'

  endif

  # Do not store debug level options in VARDEPS.

  ifneq ($$(LOG_LEVEL), trace)

    $1_LOG_OPTION += -quiet

  else

    $1_LOG_OPTION += -verbose

  endif

  # Generate the overview.html file. This will return the filename in

  # $1_OVERVIEW.

  $$(eval $$(call create_overview_file,$1))

  $1_OPTIONS += -overview $$($1_OVERVIEW)

  $$(foreach g, $$($1_GROUPS), \

    $$(eval $1_OPTIONS += -group "$$($$g_GROUP_NAME)" "$$($$g_GROUP_MODULES)") \

  )

  ifeq ($$($1_JAVADOC_CMD), )

    $1_JAVADOC_CMD := $$(JAVA) -Djava.awt.headless=true $$($1_JAVA_ARGS) \

        $$(NEW_JAVADOC)

  else

    $1_OPTIONS += $$(addprefix -J, $$($1_JAVA_ARGS)) 

  endif

  $1_VARDEPS := $$($1_JAVA_ARGS) $$($1_OPTIONS) $$(MODULES_SOURCE_PATH) \

      $$($1_ALL_MODULES) $$($1_JAVADOC_CMD)

  $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 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, \

	    $$($1_JAVADOC_CMD) -d $$($1_TARGET_DIR) \

	        $$($1_OPTIONS) $$($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 := \

        $$(TOPDIR)/make/jdk/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 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)

# Define the groups of the JDK API documentation

JavaSE_GROUP_NAME := Java SE

JavaSE_GROUP_MODULES := $(call ColonList, $(sort java.se \

    $(call FindTransitiveIndirectDepsForModules, java.se)))

JavaSE_GROUP_DESCRIPTION := \

    The Java Platform, Standard Edition (Java SE) APIs define the core Java \

    platform for general-purpose computing. These APIs are in modules whose \

    names start with {@code java}. \

    #

JDK_GROUPS += JavaSE

JDK_GROUP_NAME := JDK

JDK_GROUP_MODULES := jdk.*

JDK_GROUP_DESCRIPTION := \

    The Java Development Kit (JDK) APIs are specific to the JDK and will not \

    necessarily be available in all implementations of the Java SE Platform. \

    These APIs are in modules whose names start with {@code jdk}. \

    #

JDK_GROUPS += JDK

# If we are importing JavaFX, we need a JavaFX group. In an ideal world, this

# would have been abstracted away to a more proper generic handling of imported

# modules.

ifneq ($(findstring javafx., $(IMPORTED_MODULES)), )

  JavaFX_GROUP_NAME := JavaFX

  JavaFX_GROUP_MODULES := javafx.*

  JavaFX_GROUP_DESCRIPTION := \

      The JavaFX APIs define a set of user-interface controls, graphics, \

      media, and web packages for developing rich client applications. These \

      APIs are in modules whose names start with {@code javafx}. \

      #

  JDK_GROUPS += JavaFX

endif

# All modules to have docs generated by docs-jdk-api target

JDK_MODULES := $(sort $(filter-out $(MODULES_FILTER), $(DOCS_MODULES)))

$(eval $(call SetupApiDocsGeneration, JDK_API, \

    MODULES := $(JDK_MODULES), \

    GROUPS := $(JDK_GROUPS), \

    SHORT_NAME := $(JDK_SHORT_NAME), \

    LONG_NAME := $(JDK_LONG_NAME), \

    TARGET_DIR := $(DOCS_OUTPUTDIR)/api, \

))

# 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 and its transitive indirect

# exports.

JAVASE_MODULES := java.se

$(eval $(call SetupApiDocsGeneration, JAVASE_API, \

    MODULES := $(JAVASE_MODULES), \

    SHORT_NAME := $(JAVASE_SHORT_NAME), \

    LONG_NAME := $(JAVASE_LONG_NAME), \

    TARGET_DIR := $(IMAGES_OUTPUTDIR)/javase-docs/api, \

))

# Targets generated are returned in JAVASE_API_JAVADOC_TARGETS and

# JAVASE_API_MODULEGRAPH_TARGETS.

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

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

# The reference javadoc is just the same as javase, but using the BootJDK javadoc

# and a stable set of javadoc options.  Typically it is used for generating 

# diffs between the reference javadoc and a javadoc bundle of a specific build

# generated in the same way.

$(eval $(call SetupApiDocsGeneration, REFERENCE_API, \

    MODULES := $(JAVASE_MODULES), \

    SHORT_NAME := $(JAVASE_SHORT_NAME), \

    LONG_NAME := $(JAVASE_LONG_NAME), \

    TARGET_DIR := $(IMAGES_OUTPUTDIR)/reference-docs/api, \

    JAVADOC_CMD := $(JAVADOC), \

    OPTIONS := $(REFERENCE_OPTIONS), \

    TAGS := $(REFERENCE_TAGS), \

))

# Targets generated are returned in REFERENCE_API_JAVADOC_TARGETS and

# REFERENCE_API_MODULEGRAPH_TARGETS.

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