#
# Copyright (c) 2019, 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.
#

# This must be the first rule
default: all

include $(SPEC)
include MakeBase.gmk

################################################################################
# Return the full path to an indexer-specific file fragment.
#
# Param 1: Fragment name
################################################################################
GetIndexerFragment = \
    $(TOPDIR)/make/vscode/indexers/$(VSCODE_INDEXER)-$(1).txt

################################################################################
# Show indexer-specific notes if they exist, otherwise do nothing
################################################################################
ifneq (,$(wildcard $(call GetIndexerFragment,notes)))
  ShowIndexerNotes = $(CAT) $(call GetIndexerFragment,notes)
else
  ShowIndexerNotes =
endif

################################################################################
# Return the platform-dependent preferred debug engine name.
################################################################################
ifeq ($(OPENJDK_TARGET_OS), windows)
  DebugEngineName = cppvsdbg
else
  DebugEngineName = cppdbg
endif

################################################################################
# Return an additional configuration fragment if the WORKSPACE_ROOT is different
# from TOPDIR.
################################################################################
ifneq ($(WORKSPACE_ROOT),$(TOPDIR))
  GetExtraWorkspaceRoot = $(TOPDIR)/make/vscode/template-workspace-folder.txt
else
  GetExtraWorkspaceRoot = /dev/null
endif

################################################################################
# Create a project configuration from a given template, replacing a known set
# of variables.
#
# Param 1: Template
# Param 2: Output
################################################################################
define CreateFromTemplate
	$(call LogInfo, Generating $2)
	$(call MakeDir, $(dir $2))
	$(SED) -e '/{{INDEXER_EXTENSIONS}}/r $(call GetIndexerFragment,extensions)' \
	    -e '/{{INDEXER_SETTINGS}}/r $(call GetIndexerFragment,settings)' \
	    -e '/{{EXTRA_WORKSPACE_ROOT}}/r $(call GetExtraWorkspaceRoot)' $1 | \
	$(SED) -e 's!{{TOPDIR}}!$(call FixPath,$(TOPDIR))!g' \
	    -e 's!{{TOPDIR_RELATIVE}}!$(call FixPath,$(strip \
	        $(call RelativePath,$(OUTPUTDIR),$(TOPDIR))))!g' \
	    -e 's!{{WORKSPACE_ROOT}}!$(call FixPath,$(WORKSPACE_ROOT))!g' \
	    -e 's!{{OUTPUTDIR}}!$(call FixPath,$(OUTPUTDIR))!g' \
	    -e 's!{{CONF_NAME}}!$(CONF_NAME)!g' \
	    -e 's!{{COMPILER}}!$(call FixPath,$(CXX)) $(SYSROOT_CFLAGS)!g' \
	    -e 's!{{MAKE}}!$(call FixPath,$(MAKE))!g' \
	    -e 's!{{PATH}}!$(call FixPath,$(PATH))!g' \
	    -e 's!{{DEBUGENGINENAME}}!$(call DebugEngineName)!g' \
	    -e '/{{INDEXER_EXTENSIONS}}/d' \
	    -e '/{{INDEXER_SETTINGS}}/d' \
	    -e '/{{EXTRA_WORKSPACE_ROOT}}/d' \
	    > $2
endef

$(OUTPUTDIR)/jdk.code-workspace:
	$(call LogWarn, Creating workspace $@)
	$(call CreateFromTemplate, $(TOPDIR)/make/vscode/template-workspace.jsonc, $@)
	$(call ShowIndexerNotes)

$(OUTPUTDIR)/.vscode/tasks.json:
	$(call CreateFromTemplate, $(TOPDIR)/make/vscode/template-tasks.jsonc, $@)

$(OUTPUTDIR)/.vscode/launch.json:
	$(call CreateFromTemplate, $(TOPDIR)/make/vscode/template-launch.jsonc, $@)

TARGETS := $(OUTPUTDIR)/jdk.code-workspace $(OUTPUTDIR)/.vscode/tasks.json \
    $(OUTPUTDIR)/.vscode/launch.json

all: $(TARGETS)

.PHONY: all $(TARGETS)