# Copyright 2021 The Tint Authors.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# 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.

set(FUZZER_SOURCES
        ../mersenne_twister_engine.cc
        ../random_generator.cc
        ../random_generator_engine.cc
        cli.cc
        fuzzer.cc
        mutator.cc
        mutator_cache.cc
        spirv_fuzz_mutator.cc
        spirv_opt_mutator.cc
        spirv_reduce_mutator.cc
        util.cc)

set(FUZZER_SOURCES ${FUZZER_SOURCES}
        ../mersenne_twister_engine.h
        ../random_generator.h
        ../random_generator_engine.h
        cli.h
        mutator.h
        mutator_cache.h
        override_cli_params.h
        spirv_fuzz_mutator.h
        spirv_opt_mutator.h
        spirv_reduce_mutator.h
        util.h)

set(FUZZER_SOURCES ${FUZZER_SOURCES}
        ../apply_substitute_overrides.cc
        ../apply_substitute_overrides.h
        ../tint_common_fuzzer.cc
        ../tint_common_fuzzer.h)

function(configure_spirv_tools_fuzzer_target NAME SOURCES)
    add_executable(${NAME} ${SOURCES})
    target_link_libraries(${NAME} PRIVATE
        SPIRV-Tools
        SPIRV-Tools-opt
        SPIRV-Tools-fuzz
        SPIRV-Tools-reduce
    )
    tint_default_compile_options(${NAME})
    target_compile_options(${NAME} PRIVATE
        -Wno-missing-prototypes
        -Wno-zero-as-null-pointer-constant
        -Wno-reserved-id-macro
        -Wno-sign-conversion
        -Wno-extra-semi-stmt
        -Wno-inconsistent-missing-destructor-override
        -Wno-newline-eof
        -Wno-old-style-cast
        -Wno-weak-vtables
        -Wno-undef)
    target_include_directories(${NAME} PRIVATE
        ${spirv-tools_SOURCE_DIR}
        ${spirv-tools_BINARY_DIR})
endfunction()

function(add_tint_spirv_tools_fuzzer NAME)
  set(FUZZER_TARGET_SOURCES ${NAME}.cc ${FUZZER_SOURCES})
  configure_spirv_tools_fuzzer_target(${NAME} "${FUZZER_TARGET_SOURCES}")
  tint_fuzzer_compile_options(${NAME})
  target_compile_definitions(tint_spirv_tools_fuzzer PUBLIC CUSTOM_MUTATOR)
  target_compile_definitions(tint_spirv_tools_fuzzer PRIVATE TARGET_FUZZER)
endfunction()

# Add libfuzzer targets.
# Targets back-ends according to command line arguments.
add_tint_spirv_tools_fuzzer(tint_spirv_tools_fuzzer)
# Targets back-ends individually.
add_tint_spirv_tools_fuzzer(tint_spirv_tools_hlsl_writer_fuzzer)
add_tint_spirv_tools_fuzzer(tint_spirv_tools_msl_writer_fuzzer)
add_tint_spirv_tools_fuzzer(tint_spirv_tools_spv_writer_fuzzer)
add_tint_spirv_tools_fuzzer(tint_spirv_tools_wgsl_writer_fuzzer)

set(DEBUGGER_SOURCES
    ../mersenne_twister_engine.cc
    ../random_generator.cc
    ../random_generator_engine.cc
    cli.cc
    mutator.cc
    mutator_debugger.cc
    spirv_fuzz_mutator.cc
    spirv_opt_mutator.cc
    spirv_reduce_mutator.cc
    util.cc)

set(DEBUGGER_SOURCES ${DEBUGGER_SOURCES}
    ../mersenne_twister_engine.h
    ../random_generator.h
    ../random_generator_engine.h
    cli.h
    mutator.h
    spirv_fuzz_mutator.h
    spirv_opt_mutator.h
    spirv_reduce_mutator.h
    util.h)

configure_spirv_tools_fuzzer_target(tint_spirv_tools_mutator_debugger "${DEBUGGER_SOURCES}")
target_compile_definitions(tint_spirv_tools_mutator_debugger PRIVATE TARGET_DEBUGGER)