# Copyright 2020 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.

import("//build_overrides/build.gni")
import("tint_overrides_with_defaults.gni")

config("tint_common_config") {
  cflags = []
  ldflags = []
  include_dirs = []
  defines = []

  if (tint_build_spv_reader) {
    defines += [ "TINT_BUILD_SPV_READER=1" ]
  } else {
    defines += [ "TINT_BUILD_SPV_READER=0" ]
  }

  if (tint_build_spv_writer) {
    defines += [ "TINT_BUILD_SPV_WRITER=1" ]
  } else {
    defines += [ "TINT_BUILD_SPV_WRITER=0" ]
  }
}

# libtint source sets are divided into a non-optional core in :libtint_core and
# optional :libtint_* subsets, because ninja does not like having multiple source
# files with the same name, like function.cc, in the same source set target.
#
# Targets that want to use tint as a library should depend on ":libtint" and use
# the build flags to control what is included, instead of trying to specify the
# subsets that they want.

source_set("libtint_core") {
  sources = [
    "src/ast/array_accessor_expression.cc",
    "src/ast/array_accessor_expression.h",
    "src/ast/as_expression.cc",
    "src/ast/as_expression.h",
    "src/ast/assignment_statement.cc",
    "src/ast/assignment_statement.h",
    "src/ast/binary_expression.cc",
    "src/ast/binary_expression.h",
    "src/ast/binding_decoration.cc",
    "src/ast/binding_decoration.h",
    "src/ast/bool_literal.cc",
    "src/ast/bool_literal.h",
    "src/ast/break_statement.cc",
    "src/ast/break_statement.h",
    "src/ast/builtin.cc",
    "src/ast/builtin.h",
    "src/ast/builtin_decoration.cc",
    "src/ast/builtin_decoration.h",
    "src/ast/call_expression.cc",
    "src/ast/call_expression.h",
    "src/ast/case_statement.cc",
    "src/ast/case_statement.h",
    "src/ast/cast_expression.cc",
    "src/ast/cast_expression.h",
    "src/ast/constructor_expression.cc",
    "src/ast/constructor_expression.h",
    "src/ast/continue_statement.cc",
    "src/ast/continue_statement.h",
    "src/ast/decorated_variable.cc",
    "src/ast/decorated_variable.h",
    "src/ast/derivative_modifier.cc",
    "src/ast/derivative_modifier.h",
    "src/ast/else_statement.cc",
    "src/ast/else_statement.h",
    "src/ast/entry_point.cc",
    "src/ast/entry_point.h",
    "src/ast/expression.cc",
    "src/ast/expression.h",
    "src/ast/fallthrough_statement.cc",
    "src/ast/fallthrough_statement.h",
    "src/ast/float_literal.cc",
    "src/ast/float_literal.h",
    "src/ast/function.cc",
    "src/ast/function.h",
    "src/ast/identifier_expression.cc",
    "src/ast/identifier_expression.h",
    "src/ast/if_statement.cc",
    "src/ast/if_statement.h",
    "src/ast/import.cc",
    "src/ast/import.h",
    "src/ast/int_literal.cc",
    "src/ast/int_literal.h",
    "src/ast/kill_statement.cc",
    "src/ast/kill_statement.h",
    "src/ast/literal.cc",
    "src/ast/literal.h",
    "src/ast/location_decoration.cc",
    "src/ast/location_decoration.h",
    "src/ast/loop_statement.cc",
    "src/ast/loop_statement.h",
    "src/ast/member_accessor_expression.cc",
    "src/ast/member_accessor_expression.h",
    "src/ast/module.cc",
    "src/ast/module.h",
    "src/ast/node.cc",
    "src/ast/node.h",
    "src/ast/nop_statement.cc",
    "src/ast/nop_statement.h",
    "src/ast/pipeline_stage.cc",
    "src/ast/pipeline_stage.h",
    "src/ast/return_statement.cc",
    "src/ast/return_statement.h",
    "src/ast/scalar_constructor_expression.cc",
    "src/ast/scalar_constructor_expression.h",
    "src/ast/set_decoration.cc",
    "src/ast/set_decoration.h",
    "src/ast/statement.cc",
    "src/ast/statement.h",
    "src/ast/statement_condition.cc",
    "src/ast/statement_condition.h",
    "src/ast/storage_class.cc",
    "src/ast/storage_class.h",
    "src/ast/struct.cc",
    "src/ast/struct.h",
    "src/ast/struct_decoration.cc",
    "src/ast/struct_decoration.h",
    "src/ast/struct_member.cc",
    "src/ast/struct_member.h",
    "src/ast/struct_member_decoration.cc",
    "src/ast/struct_member_decoration.h",
    "src/ast/struct_member_offset_decoration.cc",
    "src/ast/struct_member_offset_decoration.h",
    "src/ast/switch_statement.cc",
    "src/ast/switch_statement.h",
    "src/ast/type/alias_type.cc",
    "src/ast/type/alias_type.h",
    "src/ast/type/array_type.cc",
    "src/ast/type/array_type.h",
    "src/ast/type/bool_type.cc",
    "src/ast/type/bool_type.h",
    "src/ast/type/f32_type.cc",
    "src/ast/type/f32_type.h",
    "src/ast/type/i32_type.cc",
    "src/ast/type/i32_type.h",
    "src/ast/type/matrix_type.cc",
    "src/ast/type/matrix_type.h",
    "src/ast/type/pointer_type.cc",
    "src/ast/type/pointer_type.h",
    "src/ast/type/struct_type.cc",
    "src/ast/type/struct_type.h",
    "src/ast/type/type.cc",
    "src/ast/type/type.h",
    "src/ast/type/u32_type.cc",
    "src/ast/type/u32_type.h",
    "src/ast/type/vector_type.cc",
    "src/ast/type/vector_type.h",
    "src/ast/type/void_type.cc",
    "src/ast/type/void_type.h",
    "src/ast/type_constructor_expression.cc",
    "src/ast/type_constructor_expression.h",
    "src/ast/uint_literal.cc",
    "src/ast/uint_literal.h",
    "src/ast/unary_derivative.cc",
    "src/ast/unary_derivative.h",
    "src/ast/unary_derivative_expression.cc",
    "src/ast/unary_derivative_expression.h",
    "src/ast/unary_method.cc",
    "src/ast/unary_method.h",
    "src/ast/unary_method_expression.cc",
    "src/ast/unary_method_expression.h",
    "src/ast/unary_op.cc",
    "src/ast/unary_op.h",
    "src/ast/unary_op_expression.cc",
    "src/ast/unary_op_expression.h",
    "src/ast/unless_statement.cc",
    "src/ast/unless_statement.h",
    "src/ast/variable.cc",
    "src/ast/variable.h",
    "src/ast/variable_decl_statement.cc",
    "src/ast/variable_decl_statement.h",
    "src/ast/variable_decoration.cc",
    "src/ast/variable_decoration.h",
    "src/context.cc",
    "src/context.h",
    "src/reader/reader.cc",
    "src/reader/reader.h",
    "src/scope_stack.h",
    "src/source.h",
    "src/type_determiner.cc",
    "src/type_determiner.h",
    "src/type_manager.cc",
    "src/type_manager.h",
    "src/validator.cc",
    "src/validator.h",
    "src/validator_impl.cc",
    "src/validator_impl.h",
    "src/writer/writer.cc",
    "src/writer/writer.h",
  ]

  configs += [ ":tint_common_config" ]

  if (build_with_chromium) {
    configs -= [ "//build/config/compiler:chromium_code" ]
    configs += [ "//build/config/compiler:no_chromium_code" ]
  }
}

config("tint_spv_reader_config") {
  include_dirs = [
    "${tint_spirv_tools_dir}/",
    "${tint_spirv_tools_dir}/include",
    "${target_gen_dir}/${tint_spirv_tools_gen}",
  ]
}

source_set("libtint_spv_reader") {
  sources = [
    "src/reader/spirv/enum_converter.cc",
    "src/reader/spirv/enum_converter.h",
    "src/reader/spirv/fail_stream.h",
    "src/reader/spirv/function.cc",
    "src/reader/spirv/function.h",
    "src/reader/spirv/namer.cc",
    "src/reader/spirv/namer.h",
    "src/reader/spirv/parser.cc",
    "src/reader/spirv/parser.h",
    "src/reader/spirv/parser_impl.cc",
    "src/reader/spirv/parser_impl.h",
  ]

  deps = [
    "${tint_spirv_headers_dir}/:spv_headers",
    "${tint_spirv_tools_dir}/:spvtools_opt",
    "${tint_spirv_tools_dir}/:spvtools_val",
  ]

  configs += [ ":tint_common_config" ]
  configs += [ ":tint_spv_reader_config" ]

  if (build_with_chromium) {
    configs -= [ "//build/config/compiler:chromium_code" ]
    configs += [ "//build/config/compiler:no_chromium_code" ]
  }
}

source_set("libtint_spv_writer") {
  sources = [
    "src/writer/spirv/binary_writer.cc",
    "src/writer/spirv/binary_writer.h",
    "src/writer/spirv/builder.cc",
    "src/writer/spirv/builder.h",
    "src/writer/spirv/function.cc",
    "src/writer/spirv/function.h",
    "src/writer/spirv/generator.cc",
    "src/writer/spirv/generator.h",
    "src/writer/spirv/instruction.cc",
    "src/writer/spirv/instruction.h",
    "src/writer/spirv/operand.cc",
    "src/writer/spirv/operand.h",
  ]

  deps = [ "${tint_spirv_headers_dir}/:spv_headers" ]

  configs += [ ":tint_common_config" ]

  if (build_with_chromium) {
    configs -= [ "//build/config/compiler:chromium_code" ]
    configs += [ "//build/config/compiler:no_chromium_code" ]
  }
}

source_set("libtint") {
  deps = [ ":libtint_core" ]
  if (tint_build_spv_reader) {
    deps += [ ":libtint_spv_reader" ]
  }

  if (tint_build_spv_writer) {
    deps += [ ":libtint_spv_writer" ]
  }

  configs += [ ":tint_common_config" ]

  if (build_with_chromium) {
    configs -= [ "//build/config/compiler:chromium_code" ]
    configs += [ "//build/config/compiler:no_chromium_code" ]
  }
}

executable("tint") {
  sources = [ "samples/main.cc" ]
  deps = [ ":libtint" ]

  configs += [ ":tint_common_config" ]

  if (build_with_chromium) {
    configs -= [ "//build/config/compiler:chromium_code" ]
    configs += [ "//build/config/compiler:no_chromium_code" ]
  }
}

group("tint_all") {
  deps = [ ":tint" ]
}