#
# Copyright (c) 2015, 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
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#

ifndef _TEST_FILES_COMPILATION_GMK
_TEST_FILES_COMPILATION_GMK := 1

ifeq (,$(_MAKEBASE_GMK))
  $(error You must include MakeBase.gmk prior to including TestFilesCompilation.gmk)
endif


include NativeCompilation.gmk

# Setup make rules for creating a set of native test files (libraries or
# executables). This will locate native files matching a certain pattern,
# and compile these into libraries or executables.
#
# Parameter 1 is the name of the rule. This name is used as variable prefix,
# and the targets generated are listed in a variable by that name.
#
# Remaining parameters are named arguments. These include:
#   TYPE Must be either PROGRAM or LIBRARY.
#   SOURCE_DIRS A list of source directories to search
#   OUTPUT_DIR Where to put the resulting files
#   EXCLUDE A list of filenames to exclude from compilation
SetupTestFilesCompilation = $(NamedParamsMacroTemplate)
define SetupTestFilesCompilationBody

  # Check for duplicate base file names. That would have failed later anyhow, but
  # this gives a better error message.
  $1_DUPLICATED_NAMES := $$(call dups, $$(notdir $$($1_FILE_LIST)))
  ifneq ($$($1_DUPLICATED_NAMES), )
    $$(error There are duplicate test file names for $1: $$($1_DUPLICATED_NAMES))
  endif

  # The list to depend on starts out empty
  $1 :=
  ifeq ($$($1_TYPE), LIBRARY)
    $1_PREFIX = lib
    $1_OUTPUT_SUBDIR := lib
    $1_CFLAGS += $(CFLAGS_TESTLIB)
    $1_LDFLAGS := $(LDFLAGS_TESTLIB) $(call SET_SHARED_LIBRARY_ORIGIN)
    $1_COMPILATION_TYPE := LIBRARY
  else ifeq ($$($1_TYPE), PROGRAM)
    $1_PREFIX = exe
    $1_OUTPUT_SUBDIR := bin
    $1_CFLAGS += $(CFLAGS_TESTEXE)
    $1_LDFLAGS := $(LDFLAGS_TESTEXE)
    $1_COMPILATION_TYPE := EXECUTABLE
  else
    $$(error Unknown type: $$($1_TYPE))
  endif

  # Locate all files with the matching prefix
  $1_FILE_LIST := \
      $$(shell $$(FIND) $$($1_SOURCE_DIRS) -type f \( -name "$$($1_PREFIX)*.c" \
          -o -name "$$($1_PREFIX)*.cpp" \))

  $1_EXCLUDE_PATTERN := $$(addprefix %/, $$($1_EXCLUDE))
  $1_FILTERED_FILE_LIST := $$(filter-out $$($1_EXCLUDE_PATTERN), $$($1_FILE_LIST))

  # Setup a compilation for each and every one of them
  $$(foreach file, $$($1_FILTERED_FILE_LIST),\
    $$(eval name := $$(strip $$(basename $$(notdir $$(file))))) \
    $$(eval unprefixed_name := $$(patsubst $$($1_PREFIX)%, %, $$(name))) \
    $$(eval $$(call SetupNativeCompilation, BUILD_TEST_$$(name), \
        NAME := $$(unprefixed_name), \
        TYPE := $$($1_COMPILATION_TYPE), \
        SRC := $$(patsubst %/,%,$$(dir $$(file))), \
        INCLUDE_FILES := $$(notdir $$(file)), \
        OBJECT_DIR := $$($1_OUTPUT_DIR)/support/$$(name), \
        OUTPUT_DIR := $$($1_OUTPUT_DIR)/$$($1_OUTPUT_SUBDIR), \
        CFLAGS := $$($1_CFLAGS) $$($1_CFLAGS_$$(name)), \
        LDFLAGS := $$($1_LDFLAGS) $$($1_LDFLAGS_$$(name)), \
        LIBS := $$($1_LIBS_$$(name)), \
        TOOLCHAIN := $(if $$(filter %.cpp, $$(file)), TOOLCHAIN_LINK_CXX, TOOLCHAIN_DEFAULT), \
        OPTIMIZATION := $$(if $$($1_OPTIMIZATION_$$(name)),$$($1_OPTIMIZATION_$$(name)),LOW), \
        COPY_DEBUG_SYMBOLS := false, \
        STRIP_SYMBOLS := false, \
    )) \
    $$(eval $1 += $$(BUILD_TEST_$$(name)) )  \
  )

endef

endif # _TEST_FILES_COMPILATION_GMK