header-checker: Do not expose format-specific details

Test: ./tests/test.py
Test: ${ANDROID_HOST_OUT}/nativetest64/\
      header-checker-unittests/header-checker-unittests
Change-Id: Ib55dc8bdd195d4072d875d0cbd495c7c9c550fec

vndk/tools/header-checker/src/repr/ir_diff_dumper.cpp

@@ -15,7 +15,7 @@
 #include "repr/ir_diff_dumper.h"
 
 #include "repr/ir_representation.h"
-#include "repr/protobuf/ir_diff_dumper.h"
+#include "repr/protobuf/api.h"
 
 #include <memory>
 #include <string>
@@ -31,7 +31,7 @@ std::unique_ptr<IRDiffDumper> IRDiffDumper::CreateIRDiffDumper(
     TextFormatIR text_format, const std::string &dump_path) {
   switch (text_format) {
     case TextFormatIR::ProtobufTextFormat:
-      return std::make_unique<ProtobufIRDiffDumper>(dump_path);
+      return CreateProtobufIRDiffDumper(dump_path);
     default:
       // Nothing else is supported yet.
       llvm::errs() << "Text format not supported yet\n";

vndk/tools/header-checker/src/repr/ir_dumper.cpp

@@ -14,8 +14,8 @@
 
 #include "repr/ir_dumper.h"
 
-#include "repr/json/ir_dumper.h"
+#include "repr/json/api.h"
-#include "repr/protobuf/ir_dumper.h"
+#include "repr/protobuf/api.h"
 
 #include <memory>
 #include <string>
@@ -31,9 +31,9 @@ std::unique_ptr<IRDumper> IRDumper::CreateIRDumper(
     TextFormatIR text_format, const std::string &dump_path) {
   switch (text_format) {
     case TextFormatIR::ProtobufTextFormat:
-      return std::make_unique<ProtobufIRDumper>(dump_path);
+      return CreateProtobufIRDumper(dump_path);
     case TextFormatIR::Json:
-      return std::make_unique<JsonIRDumper>(dump_path);
+      return CreateJsonIRDumper(dump_path);
     default:
       llvm::errs() << "Text format not supported yet\n";
       return nullptr;

vndk/tools/header-checker/src/repr/ir_reader.cpp

@@ -17,9 +17,8 @@
 #include "repr/abi_diff_helpers.h"
 #include "repr/ir_representation.h"
 #include "repr/ir_representation_internal.h"
-#include "repr/ir_diff_representation.h"
+#include "repr/json/api.h"
-#include "repr/json/ir_reader.h"
+#include "repr/protobuf/api.h"
-#include "repr/protobuf/ir_reader.h"
 
 #include <list>
 #include <memory>
@@ -41,9 +40,9 @@ IRReader::CreateIRReader(
     TextFormatIR text_format, const std::set<std::string> *exported_headers) {
   switch (text_format) {
     case TextFormatIR::ProtobufTextFormat:
-      return std::make_unique<ProtobufIRReader>(exported_headers);
+      return CreateProtobufIRReader(exported_headers);
     case TextFormatIR::Json:
-      return std::make_unique<JsonIRReader>(exported_headers);
+      return CreateJsonIRReader(exported_headers);
     default:
       llvm::errs() << "Text format not supported yet\n";
       return nullptr;

vndk/tools/header-checker/src/repr/json/api.h

@@ -0,0 +1,41 @@
+// Copyright (C) 2019 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.
+
+#ifndef HEADER_CHECKER_REPR_JSON_API_H_
+#define HEADER_CHECKER_REPR_JSON_API_H_
+
+#include <memory>
+#include <set>
+#include <string>
+
+
+namespace header_checker {
+namespace repr {
+
+
+class IRDumper;
+class IRReader;
+
+
+std::unique_ptr<IRDumper> CreateJsonIRDumper(const std::string &dump_path);
+
+std::unique_ptr<IRReader> CreateJsonIRReader(
+    const std::set<std::string> *exported_headers);
+
+
+}  // namespace repr
+}  // namespace header_checker
+
+
+#endif  // HEADER_CHECKER_REPR_JSON_API_H_

vndk/tools/header-checker/src/repr/json/ir_dumper.cpp

@@ -17,6 +17,7 @@
 #include "repr/ir_dumper.h"
 #include "repr/ir_reader.h"
 #include "repr/ir_representation_internal.h"
+#include "repr/json/api.h"
 #include "repr/json/converter.h"
 
 #include <json/reader.h>
@@ -426,6 +427,10 @@ JsonIRDumper::JsonIRDumper(const std::string &dump_path)
   }
 }
 
+std::unique_ptr<IRDumper> CreateJsonIRDumper(const std::string &dump_path) {
+  return std::make_unique<JsonIRDumper>(dump_path);
+}
+
 
 }  // namespace repr
 }  // header_checker

vndk/tools/header-checker/src/repr/json/ir_reader.cpp

@@ -17,6 +17,7 @@
 #include "repr/ir_dumper.h"
 #include "repr/ir_reader.h"
 #include "repr/ir_representation_internal.h"
+#include "repr/json/api.h"
 #include "repr/json/converter.h"
 
 #include <json/reader.h>
@@ -478,6 +479,11 @@ void JsonIRReader::ReadElfObjects(const JsonObjectRef &tu) {
   }
 }
 
+std::unique_ptr<IRReader> CreateJsonIRReader(
+    const std::set<std::string> *exported_headers) {
+  return std::make_unique<JsonIRReader>(exported_headers);
+}
+
 
 }  // namespace repr
 }  // header_checker

vndk/tools/header-checker/src/repr/protobuf/api.h

@@ -0,0 +1,45 @@
+// Copyright (C) 2019 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.
+
+#ifndef HEADER_CHECKER_REPR_PROTOBUF_API_H_
+#define HEADER_CHECKER_REPR_PROTOBUF_API_H_
+
+#include <memory>
+#include <set>
+#include <string>
+
+
+namespace header_checker {
+namespace repr {
+
+
+class IRDiffDumper;
+class IRDumper;
+class IRReader;
+
+
+std::unique_ptr<IRDumper> CreateProtobufIRDumper(const std::string &dump_path);
+
+std::unique_ptr<IRReader> CreateProtobufIRReader(
+    const std::set<std::string> *exported_headers);
+
+std::unique_ptr<IRDiffDumper> CreateProtobufIRDiffDumper(
+    const std::string &dump_path);
+
+
+}  // namespace repr
+}  // namespace header_checker
+
+
+#endif  // HEADER_CHECKER_REPR_PROTOBUF_API_H_

vndk/tools/header-checker/src/repr/protobuf/ir_diff_dumper.cpp

@@ -15,10 +15,12 @@
 #include "repr/protobuf/ir_diff_dumper.h"
 
 #include "repr/ir_diff_representation.h"
+#include "repr/protobuf/api.h"
 #include "repr/protobuf/converter.h"
 
-#include <string>
 #include <fstream>
+#include <memory>
+#include <string>
 
 #include <llvm/Support/raw_ostream.h>
 
@@ -366,6 +368,11 @@ bool ProtobufIRDiffDumper::Dump() {
   return google::protobuf::TextFormat::Print(*diff_tu_.get(), &text_os);
 }
 
+std::unique_ptr<IRDiffDumper> CreateProtobufIRDiffDumper(
+    const std::string &dump_path) {
+  return std::make_unique<ProtobufIRDiffDumper>(dump_path);
+}
+
 
 }  // namespace repr
 }  // namespace header_checker

vndk/tools/header-checker/src/repr/protobuf/ir_dumper.cpp

@@ -15,8 +15,10 @@
 #include "repr/protobuf/ir_dumper.h"
 
 #include "repr/protobuf/abi_dump.h"
+#include "repr/protobuf/api.h"
 
 #include <fstream>
+#include <memory>
 
 #include <llvm/Support/raw_ostream.h>
 
@@ -489,6 +491,10 @@ bool ProtobufIRDumper::Dump() {
   return google::protobuf::TextFormat::Print(*tu_ptr_.get(), &text_os);
 }
 
+std::unique_ptr<IRDumper> CreateProtobufIRDumper(const std::string &dump_path) {
+  return std::make_unique<ProtobufIRDumper>(dump_path);
+}
+
 
 }  // namespace repr
 }  // namespace header_checker

vndk/tools/header-checker/src/repr/protobuf/ir_reader.cpp

@@ -15,9 +15,11 @@
 #include "repr/protobuf/ir_reader.h"
 
 #include "repr/ir_representation_internal.h"
+#include "repr/protobuf/api.h"
 #include "repr/protobuf/converter.h"
 
 #include <fstream>
+#include <memory>
 
 #include <google/protobuf/text_format.h>
 
@@ -369,6 +371,11 @@ void ProtobufIRReader::ReadElfObjects(const abi_dump::TranslationUnit &tu) {
   }
 }
 
+std::unique_ptr<IRReader> CreateProtobufIRReader(
+    const std::set<std::string> *exported_headers) {
+  return std::make_unique<ProtobufIRReader>(exported_headers);
+}
+
 
 }  // namespace repr
 }  // namespace header_checker