tools/gn/config_values_generator.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_generator.h"
   6
   7 #include "tools/gn/config_values.h"
   8 #include "tools/gn/scope.h"
   9 #include "tools/gn/settings.h"
  10 #include "tools/gn/value.h"
  11 #include "tools/gn/value_extractors.h"
  12 #include "tools/gn/variables.h"
  13
  14 namespace {
  15
  16 void GetStringList(
  17     Scope* scope,
  18     const char* var_name,
  19     ConfigValues* config_values,
  20     std::vector<std::string>& (ConfigValues::* accessor)(),
  21     Err* err) {
  22   const Value* value = scope->GetValue(var_name, true);
  23   if (!value)
  24     return;  // No value, empty input and succeed.
  25
  26   std::vector<std::string> result;
  27   ExtractListOfStringValues(*value, &result, err);
  28   (config_values->*accessor)().swap(result);
  29 }
  30
  31 void GetDirList(
  32     Scope* scope,
  33     const char* var_name,
  34     ConfigValues* config_values,
  35     const SourceDir input_dir,
  36     std::vector<SourceDir>& (ConfigValues::* accessor)(),
  37     Err* err) {
  38   const Value* value = scope->GetValue(var_name, true);
  39   if (!value)
  40     return;  // No value, empty input and succeed.
  41
  42   std::vector<SourceDir> result;
  43   ExtractListOfRelativeDirs(scope->settings()->build_settings(),
  44                             *value, input_dir, &result, err);
  45   (config_values->*accessor)().swap(result);
  46 }
  47
  48 }  // namespace
  49
  50 ConfigValuesGenerator::ConfigValuesGenerator(
  51     ConfigValues* dest_values,
  52     Scope* scope,
  53     const SourceDir& input_dir,
  54     Err* err)
  55     : config_values_(dest_values),
  56       scope_(scope),
  57       input_dir_(input_dir),
  58       err_(err) {
  59 }
  60
  61 ConfigValuesGenerator::~ConfigValuesGenerator() {
  62 }
  63
  64 void ConfigValuesGenerator::Run() {
  65 #define FILL_STRING_CONFIG_VALUE(name) \
  66     GetStringList(scope_, #name, config_values_, &ConfigValues::name, err_);
  67 #define FILL_DIR_CONFIG_VALUE(name) \
  68     GetDirList(scope_, #name, config_values_, input_dir_, \
  69                &ConfigValues::name, err_);
  70
  71   FILL_STRING_CONFIG_VALUE(cflags)
  72   FILL_STRING_CONFIG_VALUE(cflags_c)
  73   FILL_STRING_CONFIG_VALUE(cflags_cc)
  74   FILL_STRING_CONFIG_VALUE(cflags_objc)
  75   FILL_STRING_CONFIG_VALUE(cflags_objcc)
  76   FILL_STRING_CONFIG_VALUE(defines)
  77   FILL_DIR_CONFIG_VALUE(   include_dirs)
  78   FILL_STRING_CONFIG_VALUE(ldflags)
  79   FILL_DIR_CONFIG_VALUE(   lib_dirs)
  80   FILL_STRING_CONFIG_VALUE(libs)
  81
  82 #undef FILL_STRING_CONFIG_VALUE
  83 #undef FILL_DIR_CONFIG_VALUE
  84 }