mirror of
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116 lines
3.0 KiB
Plaintext
116 lines
3.0 KiB
Plaintext
# Copyright 2014 The Chromium Authors. All rights reserved.
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# Use of this source code is governed by a BSD-style license that can be
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# found in the LICENSE file.
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assert(is_win)
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import("//build/config/win/visual_studio_version.gni")
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# This template defines a rule to invoke the MS IDL compiler. The generated
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# source code will be compiled and linked into targets that depend on this.
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#
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# Parameters
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#
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# sources
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# List of .idl file to process.
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#
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# header_file (optional)
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# File name of generated header file. Defaults to the basename of the
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# source idl file with a .h extension.
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#
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# out_dir (optional)
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# Directory to write the generated files to. Defaults to target_gen_dir.
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#
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# dynamic_guid (optional)
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# If the GUID is not constant across builds, the current GUID.
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#
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# deps (optional)
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# visibility (optional)
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template("midl") {
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action_name = "${target_name}_idl_action"
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source_set_name = target_name
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assert(defined(invoker.sources), "Source must be defined for $target_name")
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if (defined(invoker.out_dir)) {
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out_dir = invoker.out_dir
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} else {
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out_dir = target_gen_dir
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}
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if (defined(invoker.dynamic_guid)) {
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dynamic_guid = invoker.dynamic_guid
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} else {
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dynamic_guid = "none"
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}
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if (defined(invoker.header_file)) {
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header_file = invoker.header_file
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} else {
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header_file = "{{source_name_part}}.h"
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}
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dlldata_file = "{{source_name_part}}.dlldata.c"
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interface_identifier_file = "{{source_name_part}}_i.c"
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proxy_file = "{{source_name_part}}_p.c"
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type_library_file = "{{source_name_part}}.tlb"
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action_foreach(action_name) {
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visibility = [ ":$source_set_name" ]
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script = "//build/toolchain/win/midl.py"
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sources = invoker.sources
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# Note that .tlb is not included in the outputs as it is not always
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# generated depending on the content of the input idl file.
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outputs = [
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"$out_dir/$header_file",
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"$out_dir/$dlldata_file",
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"$out_dir/$interface_identifier_file",
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"$out_dir/$proxy_file",
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]
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if (current_cpu == "x86") {
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win_tool_arch = "environment.x86"
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idl_target_platform = "win32"
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} else if (current_cpu == "x64") {
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win_tool_arch = "environment.x64"
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idl_target_platform = "x64"
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} else {
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assert(false, "Need environment for this arch")
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}
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args = [
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win_tool_arch,
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rebase_path(out_dir, root_build_dir),
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dynamic_guid,
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type_library_file,
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header_file,
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dlldata_file,
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interface_identifier_file,
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proxy_file,
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"{{source}}",
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"/char",
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"signed",
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"/env",
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idl_target_platform,
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"/Oicf",
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]
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forward_variables_from(invoker, [ "deps" ])
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}
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source_set(target_name) {
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forward_variables_from(invoker, [ "visibility" ])
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# We only compile the IID files from the IDL tool rather than all outputs.
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sources = process_file_template(invoker.sources,
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[ "$out_dir/$interface_identifier_file" ])
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public_deps = [
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":$action_name",
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]
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}
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}
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