Add initial prototype for the GN meta-buildsystem.

tools/gn/gn.gyp

Index: tools/gn/gn.gyp
diff --git a/tools/gn/gn.gyp b/tools/gn/gn.gyp
new file mode 100644
index 0000000000000000000000000000000000000000..4904e3d7363a5f4b6316faeebb383fb845f864e4
--- /dev/null
+++ b/tools/gn/gn.gyp
@@ -0,0 +1,171 @@
+{
+  'variables': {
+    'chromium_code': 1,
+  },
+  'targets': [
+    {
+      'target_name': 'gn_lib',
+      'type': 'static_library',
+      'dependencies': [
+        '../../base/base.gyp:base',
+      ],
+      'sources': [
+        'build_settings.cc',
+        'build_settings.h',
+        'command_desc.cc',
+        'command_desc.h',
+        'command_gen.cc',
+        'command_gen.h',
+        'commands.h',
+        'config.cc',
+        'config.h',
+        'config_values.cc',
+        'config_values.h',
+        'config_values_extractors.cc',
+        'config_values_extractors.h',
+        'config_values_generator.cc',
+        'config_values_generator.h',
+        'err.cc',
+        'err.h',
+        'escape.cc',
+        'escape.h',
+        'file_template.cc',
+        'file_template.h',
+        'filesystem_utils.cc',
+        'filesystem_utils.h',
+        'functions_target.cc',
+        'functions.cc',
+        'functions.h',
+        'function_exec_script.cc',
+        'function_process_file_template.cc',
+        'function_read_file.cc',
+        'function_set_default_toolchain.cc',
+        'function_template.cc',
+        'function_toolchain.cc',
+        'function_write_file.cc',
+        'import_manager.cc',
+        'import_manager.h',
+        'input_conversion.cc',
+        'input_conversion.h',
+        'input_file.cc',
+        'input_file.h',
+        'input_file_manager.cc',
+        'input_file_manager.h',
+        'item.cc',
+        'item.h',
+        'item_node.cc',
+        'item_node.h',
+        'item_tree.cc',
+        'item_tree.h',
+        'label.cc',
+        'label.h',
+        'location.h',
+        'ninja_build_writer.cc',
+        'ninja_build_writer.h',
+        'ninja_helper.cc',
+        'ninja_helper.h',
+        'ninja_target_writer.cc',
+        'ninja_target_writer.h',
+        'ninja_toolchain_writer.cc',
+        'ninja_toolchain_writer.h',
+        'ninja_writer.cc',
+        'ninja_writer.h',
+        'operators.cc',
+        'operators.h',
+        'output_file.h',
+        'parse_tree.cc',
+        'parse_tree.h',
+        'parser.cc',
+        'parser.h',
+        'path_output.cc',
+        'path_output.h',
+        'pattern.cc',
+        'pattern.h',
+        'scheduler.cc',
+        'scheduler.h',
+        'scope.cc',
+        'scope.h',
+        'scope_per_file_provider.cc',
+        'scope_per_file_provider.h',
+        'settings.cc',
+        'settings.h',
+        'setup.cc',
+        'setup.h',
+        'source_dir.cc',
+        'source_dir.h',
+        'source_file.cc',
+        'source_file.h',
+        'standard_out.cc',
+        'standard_out.h',
+        'string_utils.cc',
+        'string_utils.h',
+        'target.cc',
+        'target.h',
+        'target_generator.cc',
+        'target_generator.h',
+        'target_manager.cc',
+        'target_manager.h',
+        'token.cc',
+        'token.h',
+        'tokenizer.cc',
+        'tokenizer.h',
+        'toolchain.cc',
+        'toolchain.h',
+        'toolchain_manager.cc',
+        'toolchain_manager.h',
+        'value.cc',
+        'value.h',
+        'value_extractors.cc',
+        'value_extractors.h',
+      ],
+    },
+    {
+      'target_name': 'gn',
+      'type': 'executable',
+      'sources': [
+        'gn_main.cc',
+      ],
+      'dependencies': [
+        'gn_lib',
+        '../../base/base.gyp:base',
+        '../../base/third_party/dynamic_annotations/dynamic_annotations.gyp:dynamic_annotations',
+      ],
+    },
+    {
+      'target_name': 'gn_unittests',
+      'type': '<(gtest_target_type)',
+      'sources': [
+        'escape_unittest.cc',
+        'file_template_unittest.cc',
+        'filesystem_utils_unittest.cc',
+        'input_conversion_unittest.cc',
+        'label_unittest.cc',
+        'ninja_helper_unittest.cc',
+        'parser_unittest.cc',
+        'path_output_unittest.cc',
+        'pattern_unittest.cc',
+        'source_dir_unittest.cc',
+        'string_utils_unittest.cc',
+        'target_generator_unittest.cc',
+        'target_manager_unittest.cc',
+        'tokenizer_unittest.cc',
+      ],
+      'dependencies': [
+        'gn_lib',
+        '../../base/base.gyp:run_all_unittests',
+        '../../base/base.gyp:test_support_base',
+        '../../testing/gtest.gyp:gtest',
+      ],
+    },
+    {
+      'target_name': 'generate_test_gn_data',
+      'type': 'executable',
+      'sources': [
+        'generate_test_gn_data.cc',
+      ],
+      'dependencies': [
+        '../../base/base.gyp:base',
+      ],
+    }
+  ],
+}