tools/gn/config_values.cc

   1 // Copyright (c) 2013 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "tools/gn/config_values.h"
   6
   7 namespace {
   8
   9 template<typename T>
  10 void VectorAppend(std::vector<T>* append_to,
  11                   const std::vector<T>& append_this) {
  12   if (append_this.empty())
  13     return;
  14   append_to->insert(append_to->end(),append_this.begin(), append_this.end());
  15 }
  16
  17 }  // namespace
  18
  19 ConfigValues::ConfigValues() {
  20 }
  21
  22 ConfigValues::~ConfigValues() {
  23 }
  24
  25 void ConfigValues::AppendValues(const ConfigValues& append) {
  26   VectorAppend(&cflags_,       append.cflags_);
  27   VectorAppend(&cflags_c_,     append.cflags_c_);
  28   VectorAppend(&cflags_cc_,    append.cflags_cc_);
  29   VectorAppend(&cflags_objc_,  append.cflags_objc_);
  30   VectorAppend(&cflags_objcc_, append.cflags_objcc_);
  31   VectorAppend(&defines_,      append.defines_);
  32   VectorAppend(&include_dirs_, append.include_dirs_);
  33   VectorAppend(&ldflags_,      append.ldflags_);
  34   VectorAppend(&lib_dirs_,     append.lib_dirs_);
  35   VectorAppend(&libs_,         append.libs_);
  36
  37   // Only append precompiled header if there isn't one. It might be nice to
  38   // throw an error if there are conflicting precompiled headers, but that
  39   // requires piping through some context of the actual configs involved, and
  40   // conflicts here should be very unusual. Instead, use the first value.
  41   if (!append.precompiled_header_.empty() && !precompiled_header_.empty())
  42     precompiled_header_ = append.precompiled_header_;
  43   if (!append.precompiled_source_.is_null() && !precompiled_source_.is_null())
  44     precompiled_source_ = append.precompiled_source_;
  45 }