build a structure around the VTS compiler
this uses a generator class which can generate some part of
C/C++ header or main body code of HAL and HAL_SUBMODULE for now.
that'll be extended to support HAL_BINDER in the future.
So this architecture generally improves the maintainability.
Change-Id: I4548b5d1abbfac015f36600d8d94c18534da0e3e
diff --git a/sysfuzzer/vtscompiler/code_gen/CodeGenBase.cpp b/sysfuzzer/vtscompiler/code_gen/CodeGenBase.cpp
new file mode 100644
index 0000000..fb95eeb
--- /dev/null
+++ b/sysfuzzer/vtscompiler/code_gen/CodeGenBase.cpp
@@ -0,0 +1,135 @@
+/*
+ * Copyright 2016 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 "code_gen/CodeGenBase.h"
+
+#include <fstream>
+#include <iostream>
+#include <sstream>
+#include <string>
+
+#include "utils/InterfaceSpecUtil.h"
+
+#include "VtsCompilerUtils.h"
+
+using namespace std;
+
+namespace android {
+namespace vts {
+
+CodeGenBase::CodeGenBase(const char* input_vts_file_path,
+ const char* vts_name)
+ : input_vts_file_path_(input_vts_file_path),
+ vts_name_(vts_name) {}
+
+
+CodeGenBase::~CodeGenBase() {}
+
+
+void CodeGenBase::GenerateAll(std::stringstream& cpp_ss,
+ std::stringstream& h_ss,
+ const InterfaceSpecificationMessage& message) {
+ cpp_ss << "#include \"" << string(input_vts_file_path_) << ".h\"" << endl;
+
+ cpp_ss << "#include <iostream>" << endl;
+ cpp_ss << "#include \"vts_datatype.h\"" << endl;
+ for (auto const& header : message.header()) {
+ cpp_ss << "#include " << header << endl;
+ }
+ GenerateOpenNameSpaces(cpp_ss);
+
+ string component_name = message.original_data_structure_name();
+ while (!component_name.empty()
+ && (std::isspace(component_name.back())
+ || component_name.back() == '*' )) {
+ component_name.pop_back();
+ }
+ const auto pos = component_name.find_last_of(" ");
+ if (pos != std::string::npos) {
+ component_name = component_name.substr(pos + 1);
+ }
+
+ string fuzzer_extended_class_name;
+ if (message.component_class() == HAL
+ || message.component_class() == HAL_SUBMODULE) {
+ fuzzer_extended_class_name = "FuzzerExtended_" + component_name;
+ }
+
+ h_ss << "#ifndef __VTS_SPEC_" << vts_name_ << "__" << endl;
+ h_ss << "#define __VTS_SPEC_" << vts_name_ << "__" << endl;
+ h_ss << endl;
+ h_ss << "#define LOG_TAG \"" << fuzzer_extended_class_name << "\"" << endl;
+ h_ss << "#include <utils/Log.h>" << endl;
+ h_ss << "#include \"common/fuzz_tester/FuzzerBase.h\"" << endl;
+ for (auto const& header : message.header()) {
+ h_ss << "#include " << header << endl;
+ }
+ h_ss << "\n\n" << endl;
+ GenerateOpenNameSpaces(h_ss);
+ h_ss << "class " << fuzzer_extended_class_name << " : public FuzzerBase {"
+ << endl;
+ h_ss << " protected:" << endl;
+ h_ss << " bool Fuzz(const FunctionSpecificationMessage& func_msg," << endl;
+ h_ss << " void** result);" << endl;
+ if (message.component_class() == HAL_SUBMODULE) {
+ h_ss << " void SetSubModule(" << component_name << "* submodule) {" << endl;
+ h_ss << " submodule_ = submodule;" << endl;
+ h_ss << " }" << endl;
+ h_ss << endl;
+ h_ss << " private:" << endl;
+ h_ss << " " << message.original_data_structure_name() << "* submodule_;"
+ << endl;
+ }
+ h_ss << "};" << endl;
+
+ string function_name_prefix = GetFunctionNamePrefix(message);
+
+ cpp_ss << endl;
+ GenerateCppBodyFuzzFunction(cpp_ss, message, fuzzer_extended_class_name);
+
+ std::stringstream ss;
+ // return type
+ h_ss << endl;
+ ss << "android::vts::FuzzerBase* " << endl;
+ // function name
+ ss << function_name_prefix << "(" << endl;
+ ss << ")";
+
+ GenerateHeaderGlobalFunctionDeclarations(h_ss, ss.str());
+
+ GenerateCloseNameSpaces(cpp_ss);
+ cpp_ss << endl << endl;
+
+ GenerateCppBodyGlobalFunctions(cpp_ss, ss.str(), fuzzer_extended_class_name);
+
+ GenerateCloseNameSpaces(h_ss);
+ h_ss << "#endif" << endl;
+}
+
+
+void CodeGenBase::GenerateOpenNameSpaces(std::stringstream& ss) {
+ ss << "namespace android {" << endl;
+ ss << "namespace vts {" << endl;
+}
+
+
+void CodeGenBase::GenerateCloseNameSpaces(std::stringstream& ss) {
+ ss << "} // namespace vts" << endl;
+ ss << "} // namespace android" << endl;
+}
+
+} // namespace vts
+} // namespace android