cavis/libnd4j/cmake/GenCompilation.cmake

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################################################################################
#
#
# This program and the accompanying materials are made available under the
# terms of the Apache License, Version 2.0 which is available at
# https://www.apache.org/licenses/LICENSE-2.0.
#
# See the NOTICE file distributed with this work for additional
# information regarding copyright ownership.
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
#
# SPDX-License-Identifier: Apache-2.0
################################################################################
#///////////////////////////////////////////////////////////////////////////////
# genCompilation: Generates cpp, cu files
# INPUT:
# $FILE_ITEM template-configuration that utilizes libnd4j type, macros helpers
# defined inside { include/types/types.h, include/system/type_boilerplate.h}
# OUTPUT:
# $CUSTOMOPS_GENERIC_SOURCES generated files will be added into this List
#////////////////////////////////////////////////////////////////////////////////
# A simple template-configuration file example:
# // hints and defines what types will be generated
# #cmakedefine LIBND4J_TYPE_GEN
# #cmakedefine FLOAT_TYPE_GEN
# // below if defines blocks are needed for correctly handling multiple types
# #if defined(LIBND4J_TYPE_GEN)
# BUILD_DOUBLE_TEMPLATE(template void someFunc, (arg_list,..),
# LIBND4J_TYPES_@FL_TYPE_INDEX@, INDEXING_TYPES);
# #endif
# #if defined(FLOAT_TYPE_GEN)
# BUILD_SINGLE_TEMPLATE(template class SomeClass,, FLOAT_TYPES_@FL_TYPE_INDEX@);
# #endif
#////////////////////////////////////////////////////////////////////////////////
function(genCompilation FILE_ITEM)
get_filename_component(FILE_ITEM_WE ${FL_ITEM} NAME_WE)
set(EXTENSION "cpp")
if(FL_ITEM MATCHES "cu.in$")
set(EXTENSION "cu")
endif()
file(READ ${FL_ITEM} CONTENT_FL)
#check content for types
#set all to false
set (FLOAT_TYPE_GEN 0)
set (INT_TYPE_GEN 0)
set (LIBND4J_TYPE_GEN 0)
set (PAIRWISE_TYPE_GEN 0)
set (RANGE_STOP -1)
string(REGEX MATCHALL "#cmakedefine[ \t]+[^_]+_TYPE_GEN" TYPE_MATCHES ${CONTENT_FL})
foreach(TYPEX ${TYPE_MATCHES})
set(STOP -1)
if(TYPEX MATCHES "INT_TYPE_GEN$")
set (INT_TYPE_GEN 1)
set(STOP 7)
endif()
if(TYPEX MATCHES "LIBND4J_TYPE_GEN$")
set (LIBND4J_TYPE_GEN 1)
set(STOP 9)
endif()
if(TYPEX MATCHES "FLOAT_TYPE_GEN$")
set (FLOAT_TYPE_GEN 1)
set(STOP 3)
endif()
if(TYPEX MATCHES "PAIRWISE_TYPE_GEN$")
set (PAIRWISE_TYPE_GEN 1)
set(STOP 12)
endif()
if(STOP GREATER RANGE_STOP)
set(RANGE_STOP ${STOP})
endif()
endforeach()
if(RANGE_STOP GREATER -1)
foreach(FL_TYPE_INDEX RANGE 0 ${RANGE_STOP})
# set OFF if the index is above
if(FL_TYPE_INDEX GREATER 3)
set (FLOAT_TYPE_GEN 0)
endif()
if(FL_TYPE_INDEX GREATER 7)
set (INT_TYPE_GEN 0)
endif()
if(FL_TYPE_INDEX GREATER 9)
set (LIBND4J_TYPE_GEN 0)
endif()
set(GENERATED_SOURCE "${CMAKE_BINARY_DIR}/compilation_units/${FILE_ITEM_WE}_${FL_TYPE_INDEX}.${EXTENSION}")
configure_file( "${FL_ITEM}" "${GENERATED_SOURCE}" @ONLY)
LIST(APPEND CUSTOMOPS_GENERIC_SOURCES ${GENERATED_SOURCE} )
endforeach()
endif()
set(CUSTOMOPS_GENERIC_SOURCES ${CUSTOMOPS_GENERIC_SOURCES} PARENT_SCOPE)
endfunction()