am 722bf5c7: Merge "aidl: Separate aidl logic into its own static library"

* commit '722bf5c7dec37265021c17d35b0b078776699f97':
  aidl: Separate aidl logic into its own static library

tools/aidl/Android.mk

@@ -6,7 +6,10 @@
 ifeq ($(TARGET_BUILD_APPS)$(filter true,$(TARGET_BUILD_PDK)),)
 
 LOCAL_PATH:= $(call my-dir)
+
+# Logic shared between aidl and its unittests
 include $(CLEAR_VARS)
+LOCAL_MODULE := libaidl-common
 
 LOCAL_CLANG_CFLAGS := -Wall -Werror
 # Tragically, the code is riddled with unused parameters.
@@ -29,21 +32,37 @@ LOCAL_SRC_FILES := \
     generate_java.cpp \
     generate_java_binder.cpp \
     generate_java_rpc.cpp \
-    main.cpp \
     options.cpp \
     search_path.cpp \
 
-LOCAL_MODULE := aidl
-LOCAL_MODULE_HOST_OS := darwin linux windows
+include $(BUILD_HOST_STATIC_LIBRARY)
 
+
+# aidl executable
+include $(CLEAR_VARS)
+LOCAL_MODULE := aidl
+
+LOCAL_MODULE_HOST_OS := darwin linux windows
+LOCAL_CFLAGS := -Wall -Werror
+LOCAL_SRC_FILES := main.cpp
+LOCAL_STATIC_LIBRARIES := libaidl-common
 include $(BUILD_HOST_EXECUTABLE)
 
+
 # Unit tests
 include $(CLEAR_VARS)
 LOCAL_MODULE := aidl_unittests
-LOCAL_CFLAGS := -g -DUNIT_TEST
-LOCAL_SRC_FILES := tests/test.cpp
-LOCAL_STATIC_LIBRARIES := libgmock_host libgtest_host libBionicGtestMain
+
+LOCAL_CFLAGS := -g -DUNIT_TEST -Wall -Werror
+LOCAL_SRC_FILES := \
+    options_unittest.cpp \
+    tests/test.cpp \
+
+LOCAL_STATIC_LIBRARIES := \
+    libaidl-common \
+    libgmock_host \
+    libgtest_host \
+    libBionicGtestMain
 LOCAL_LDLIBS := -lrt
 include $(BUILD_HOST_NATIVE_TEST)
 

tools/aidl/options.cpp

@@ -48,10 +48,6 @@ parse_options(int argc, const char* const* argv, Options *options)
         return 0;
     }
 
-    options->task = COMPILE_AIDL;
-    options->failOnParcelable = false;
-    options->autoDepFile = false;
-
     // OPTIONS
     while (i < argc) {
         const char* s = argv[i];

tools/aidl/options.h

@@ -15,15 +15,15 @@ enum {
 // This struct is the parsed version of the command line options
 struct Options
 {
-    int task;
-    bool failOnParcelable;
+    int task{COMPILE_AIDL};
+    bool failOnParcelable{false};
     vector<string> importPaths;
     vector<string> preprocessedFiles;
     string inputFileName;
     string outputFileName;
     string outputBaseFolder;
     string depFileName;
-    bool autoDepFile;
+    bool autoDepFile{false};
 
     vector<string> filesToPreprocess;
 };

tools/aidl/options_unittest.cpp

@@ -0,0 +1,54 @@
+/*
+ * Copyright (C) 2015, The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <string>
+#include <vector>
+
+#include <gtest/gtest.h>
+
+#include "options.h"
+
+using std::vector;
+using std::string;
+
+const char kPreprocessCommandOutputFile[] = "output_file_name";
+const char kPreprocessCommandInput1[] = "input1";
+const char kPreprocessCommandInput2[] = "input2";
+const char kPreprocessCommandInput3[] = "input3";
+const char* kPreprocessCommand[] = {
+    "aidl", "--preprocess",
+    kPreprocessCommandOutputFile,
+    kPreprocessCommandInput1,
+    kPreprocessCommandInput2,
+    kPreprocessCommandInput3,
+};
+
+TEST(OptionsTests, ParsesPreprocess) {
+  Options options;
+  const int argc = sizeof(kPreprocessCommand) / sizeof(*kPreprocessCommand);
+  EXPECT_EQ(parse_options(argc, kPreprocessCommand, &options), 0);
+  EXPECT_EQ(options.task, PREPROCESS_AIDL);
+  EXPECT_EQ(options.failOnParcelable, false);
+  EXPECT_EQ(options.importPaths.size(), 0u);
+  EXPECT_EQ(options.preprocessedFiles.size(), 0u);
+  EXPECT_EQ(options.inputFileName, string{""});
+  EXPECT_EQ(options.outputFileName, string{kPreprocessCommandOutputFile});
+  EXPECT_EQ(options.autoDepFile, false);
+  const vector<string> expected_input{kPreprocessCommandInput1,
+                                      kPreprocessCommandInput2,
+                                      kPreprocessCommandInput3};
+  EXPECT_EQ(options.filesToPreprocess, expected_input);
+}