# Copyright (c) 2014, the Dart project authors.  Please see the AUTHORS file
# for details. All rights reserved. Use of this source code is governed by a
# BSD-style license that can be found in the LICENSE file.

import("../../build/executable_suffix.gni")
import("../../build/prebuilt_dart_sdk.gni")
import("gypi_contents.gni")

config("libdart_vm_config") {
  if (defined(is_fuchsia) && is_fuchsia) {
    libs = [ "magenta" ]
  } else if (is_win) {
    libs = [
      "advapi32.lib",
      "shell32.lib",
      "dbghelp.lib",
    ]
  } else {
    libs = [ "dl" ]
    if (!is_android) {
      libs += [ "pthread" ]
    }
    if (is_linux) {
      libs += [ "rt" ]
    }
  }
}

static_library("libdart_platform") {
  configs += [
    "..:dart_config",
    "..:dart_maybe_product_config",
  ]
  public_configs = [ ":libdart_vm_config" ]

  sources = rebase_path(processed_gypis.platform_sources, ".", "../platform")

  include_dirs = [ ".." ]
}

vm_sources_list = processed_gypis.vm_sources

static_library("libdart_vm") {
  configs += [
    "..:dart_config",
    "..:dart_maybe_product_config",
    "..:dart_maybe_precompiled_runtime_config",
  ]
  public_configs = [ ":libdart_vm_config" ]
  set_sources_assignment_filter([
                                  "*_test.cc",
                                  "*_test.h",
                                ])
  sources = vm_sources_list
  include_dirs = [ ".." ]
}

static_library("libdart_vm_noopt") {
  configs += [
    "..:dart_config",
    "..:dart_maybe_product_config",
    "..:dart_precompiler_config",
    "..:dart_maybe_precompiled_runtime_config",
  ]
  public_configs = [ ":libdart_vm_config" ]
  set_sources_assignment_filter([
                                  "*_test.cc",
                                  "*_test.h",
                                ])
  sources = vm_sources_list
  include_dirs = [ ".." ]
}

static_library("libdart_vm_precompiled_runtime") {
  configs += [
    "..:dart_config",
    "..:dart_maybe_product_config",
    "..:dart_precompiled_runtime_config",
  ]
  public_configs = [ ":libdart_vm_config" ]
  set_sources_assignment_filter([
                                  "*_test.cc",
                                  "*_test.h",
                                ])
  sources = vm_sources_list
  include_dirs = [ ".." ]
}

static_library("libdart_vm_nosnapshot") {
  configs += [
    "..:dart_config",
    "..:dart_maybe_product_config",
    "..:dart_no_snapshot_config",
  ]
  public_configs = [ ":libdart_vm_config" ]
  set_sources_assignment_filter([
                                  "*_test.cc",
                                  "*_test.h",
                                ])
  sources = vm_sources_list
  include_dirs = [ ".." ]
}

static_library("libdart_vm_nosnapshot_with_precompiler") {
  configs += [
    "..:dart_config",
    "..:dart_maybe_product_config",
    "..:dart_precompiler_config",
    "..:dart_no_snapshot_config",
  ]
  public_configs = [ ":libdart_vm_config" ]
  set_sources_assignment_filter([
                                  "*_test.cc",
                                  "*_test.h",
                                ])
  sources = vm_sources_list
  include_dirs = [ ".." ]
}

template("process_library_source") {
  assert(defined(invoker.libsources), "Need libsources in $target_name")
  assert(defined(invoker.output), "Need output in $target_name")
  action(target_name) {
    visibility = [ ":*" ]  # Only targets in this file can see this.
    libsources = invoker.libsources

    script = invoker.script
    inputs = invoker.inputs + libsources
    outputs = [
      invoker.output,
    ]
    args = invoker.args + rebase_path(libsources, root_build_dir)
  }
}

template("generate_library_source") {
  assert(defined(invoker.libname), "Need libname in $target_name")
  assert(defined(invoker.libsources), "Need libsources in $target_name")
  assert(defined(invoker.kind), "Need kind in $target_name")
  assert(defined(invoker.output), "Need output in $target_name")

  process_library_source(target_name) {
    libname = invoker.libname
    libsources = invoker.libsources
    kind = invoker.kind
    script = "../tools/gen_library_src_paths.py"
    inputs = [
      "../lib/libgen_in.cc",
    ]
    output = invoker.output
    args = [
      "--output",
      rebase_path(invoker.output, root_build_dir),
      "--input_cc",
      rebase_path("../lib/libgen_in.cc", root_build_dir),
      "--include",
      "vm/bootstrap.h",
      "--var_name",
      "dart::Bootstrap::${libname}_${kind}_paths_",
      "--library_name",
      "dart:${libname}",
    ]
  }
}

# This templates expects invoker.sources to be a list of lists.
# The lists contain the following information about each library:
#   library name (string)
#   library sources (list of strings)
#   library source base path (string)
#   filename (string)
#   do_patch (boolean)
#
# If do_patch is true, the lists additionally contains
#   patch sources (list of strings)
#   patch source base path (string)
#
# The template iterates over the list, and generates generate_library_source
# actions for each. After that, it generates targets to compile the generated
# sources to make libdart_lib_*.
template("generate_core_libraries") {
  assert(defined(invoker.sources), "Need sources in $target_name")
  assert(defined(invoker.allsources), "Need allsources in $target_name")
  liboutputs = []
  libdeps = []
  foreach(lib, invoker.sources) {
    libname = lib[0]
    filename = lib[3]
    do_patch = lib[4]
    generate_library_source("generate_${filename}_cc_file") {
      libname = libname
      libsources = rebase_path(lib[1], ".", lib[2])
      kind = "source"
      output = "$target_gen_dir/${filename}_gen.cc"
    }
    if (do_patch) {
      generate_library_source("generate_${filename}_patch_cc_file") {
        libname = libname
        libsources = rebase_path(lib[5], ".", lib[6])
        kind = "patch"
        output = "$target_gen_dir/${filename}_patch_gen.cc"
      }
    }

    liboutputs += [ "$target_gen_dir/${filename}_gen.cc" ]
    libdeps += [ ":generate_${filename}_cc_file" ]
    if (do_patch) {
      liboutputs += [ "$target_gen_dir/${filename}_patch_gen.cc" ]
      libdeps += [ ":generate_${filename}_patch_cc_file" ]
    }
  }

  all_libsources = rebase_path(invoker.allsources, ".", "../lib")

  static_library("libdart_lib_nosnapshot") {
    configs += [
      "..:dart_config",
      "..:dart_maybe_product_config",
      "..:dart_maybe_precompiled_runtime_config",
    ]
    deps = libdeps
    sources = all_libsources + [ "bootstrap.cc" ] + liboutputs
    include_dirs = [ ".." ]
  }
  static_library("libdart_lib_nosnapshot_with_precompiler") {
    configs += [
      "..:dart_config",
      "..:dart_maybe_product_config",
      "..:dart_precompiler_config",
    ]
    deps = libdeps
    sources = all_libsources + [ "bootstrap.cc" ] + liboutputs
    include_dirs = [ ".." ]
  }
  static_library("libdart_lib") {
    configs += [
      "..:dart_config",
      "..:dart_maybe_product_config",
      "..:dart_maybe_precompiled_runtime_config",
    ]
    sources = all_libsources + [ "bootstrap_nocore.cc" ]
    include_dirs = [ ".." ]
  }
  static_library("libdart_lib_precompiled_runtime") {
    configs += [
      "..:dart_config",
      "..:dart_maybe_product_config",
      "..:dart_precompiled_runtime_config",
    ]
    sources = all_libsources + [ "bootstrap_nocore.cc" ]
    include_dirs = [ ".." ]
  }
}

generate_core_libraries("core_libraries") {
  sources = [
    [
      "async",
      processed_gypis.async_sdk_sources,
      "../../sdk/lib/async",
      "async",
      true,
      processed_gypis.async_runtime_sources,
      "../lib",
    ],
    [
      "core",
      processed_gypis.core_sdk_sources,
      "../../sdk/lib/core",
      "core",
      true,
      processed_gypis.core_runtime_sources,
      "../lib",
    ],
    [
      "collection",
      processed_gypis.collection_sdk_sources,
      "../../sdk/lib/collection",
      "collection",
      true,
      processed_gypis.collection_runtime_sources,
      "../lib",
    ],
    [
      "convert",
      processed_gypis.convert_sdk_sources,
      "../../sdk/lib/convert",
      "convert",
      true,
      processed_gypis.convert_runtime_sources,
      "../lib",
    ],
    [
      "developer",
      processed_gypis.developer_sdk_sources,
      "../../sdk/lib/developer",
      "developer",
      true,
      processed_gypis.developer_runtime_sources,
      "../lib",
    ],
    [
      "_internal",
      processed_gypis.internal_sdk_sources,
      "../../sdk/lib/internal",
      "internal",
      true,
      processed_gypis.internal_runtime_sources,
      "../lib",
    ],
    [
      "isolate",
      processed_gypis.isolate_sdk_sources,
      "../../sdk/lib/isolate",
      "isolate",
      true,
      processed_gypis.isolate_runtime_sources,
      "../lib",
    ],
    [
      "math",
      processed_gypis.math_sdk_sources,
      "../../sdk/lib/math",
      "math",
      true,
      processed_gypis.math_runtime_sources,
      "../lib",
    ],
    [
      "mirrors",
      processed_gypis.mirrors_sdk_sources,
      "../../sdk/lib/mirrors",
      "mirrors",
      true,
      processed_gypis.mirrors_runtime_sources,
      "../lib",
    ],
    [
      "profiler",
      processed_gypis.profiler_sdk_sources,
      "../../sdk/lib/profiler",
      "profiler",
      false,
    ],
    [
      "typed_data",
      processed_gypis.typed_data_runtime_sources,
      "../lib",
      "typed_data",
      false,
    ],
    [
      "_vmservice",
      processed_gypis.vmservice_sdk_sources,
      "../../sdk/lib/vmservice",
      "vmservice",
      true,
      processed_gypis.vmservice_runtime_sources,
      "../lib",
    ],
  ]
  allsources = processed_gypis.allsources
}

template("concatenate_patch") {
  assert(defined(invoker.libsources), "Need a sources in $target_name")
  assert(defined(invoker.output), "Need an output in $target_name")

  process_library_source(target_name) {
    libsources = invoker.libsources
    inputs = []
    output = invoker.output
    script = "../tools/concatenate_patches.py"
    args = [
      "--output",
      rebase_path(output, root_build_dir),
    ]
  }
}

if (!defined(is_fuchsia) || !is_fuchsia) {
  template("generate_patched_sdk") {
    assert(defined(invoker.libraries), "Need libraries in $target_name")

    concatenation_target_names = []
    concatenation_files = []

    # Concatenate vm library patches.
    foreach(library, invoker.libraries) {
      name = library[0]

      target_output = "$target_gen_dir/patches/${name}_patch.dart"
      concatenate_patch("concatenate_${name}_patch") {
        libsources = rebase_path(library[1], ".", library[2])
        output = target_output
      }
      concatenation_target_names += [ ":concatenate_${name}_patch" ]
      concatenation_files += [ target_output ]
    }

    # Build the patched sdk out of the concatenated patches and the special
    # libraries.
    action(target_name) {
      deps = concatenation_target_names
      if (!prebuilt_dart_exe_works) {
        deps += [ "../bin:dart_bootstrap($host_toolchain)" ]
      }

      patches_dir = "$target_gen_dir/patches"
      patched_sdk_dir = "$root_out_dir/patched_sdk"

      script = "../../tools/patch_sdk.py"

      # We list all files which make up the sdk (modulo patches) and get them back
      # as a GN list object.
      shared_sdk_sources = exec_script("../../tools/list_dart_files.py",
                                       [ "../../sdk/lib" ],
                                       "list lines")

      # We list the `patch_sdk.dart` tool here because the [script] (which is
      # implicitly an input) will call it.
      inputs = [
        "../../tools/patch_sdk.dart",
      ]

      # Files below are not patches, they will not be in [concatenation_files] but
      # the `patch_sdk.dart` script will copy them into the patched sdk.
      inputs += [
        "../lib/typed_data.dart",
        "../bin/builtin.dart",
        "../bin/vmservice/vmservice_io.dart",
        "../bin/vmservice/loader.dart",
        "../bin/vmservice/server.dart",
      ]

      # Add all the normal sdk sources.
      inputs += shared_sdk_sources

      # Add all the concatenated patch files.
      inputs += concatenation_files

      outputs = [
        # Instead of listing all outputs we list a single well-known one.
        "${patched_sdk_dir}/lib/core/core.dart",
      ]

      args = []
      if (!prebuilt_dart_exe_works) {
        dart_out_dir = get_label_info("../bin:dart_bootstrap($host_toolchain)",
                                      "root_out_dir")
        dart_bootstrap =
            rebase_path("$dart_out_dir/dart_bootstrap$executable_suffix")
        args += [
          "--dart-executable",
          dart_bootstrap,
        ]
      }
      args += [
        "vm",
        rebase_path("../../sdk"),
        rebase_path(patches_dir, root_build_dir),
        rebase_path(patched_sdk_dir, root_build_dir),
      ]
    }
  }

  generate_patched_sdk("patched_sdk") {
    libraries = [
      [
        "async",
        processed_gypis.async_runtime_sources,
        "../lib",
      ],
      [
        "collection",
        processed_gypis.collection_runtime_sources,
        "../lib",
      ],
      [
        "convert",
        processed_gypis.convert_runtime_sources,
        "../lib",
      ],
      [
        "core",
        processed_gypis.core_runtime_sources,
        "../lib",
      ],
      [
        "developer",
        processed_gypis.developer_runtime_sources,
        "../lib",
      ],
      [
        "internal",
        processed_gypis.internal_runtime_sources,
        "../lib",
      ],
      [
        "isolate",
        processed_gypis.isolate_runtime_sources,
        "../lib",
      ],
      [
        "math",
        processed_gypis.math_runtime_sources,
        "../lib",
      ],
      [
        "mirrors",
        processed_gypis.mirrors_runtime_sources,
        "../lib",
      ],
      [
        "profiler",
        processed_gypis.profiler_runtime_sources,
        "../lib",
      ],
      [
        "vmservice",
        processed_gypis.vmservice_runtime_sources,
        "../lib",
      ],
      [
        "io",
        processed_gypis.bin_io_sources,
        "../bin",
      ],
    ]
  }
}