dynamically generate host-side data object generator from the spec

Change-Id: I0eac7ec273c0e30ada47ce171e1bb9a5b58e9be3
diff --git a/sysfuzzer/vtscompiler/VtsCompilerUtils.cpp b/sysfuzzer/vtscompiler/VtsCompilerUtils.cpp
index 02cc4e5..fc6142b 100644
--- a/sysfuzzer/vtscompiler/VtsCompilerUtils.cpp
+++ b/sysfuzzer/vtscompiler/VtsCompilerUtils.cpp
@@ -104,10 +104,15 @@
 
 
 string GetCppVariableType(ArgumentSpecificationMessage arg) {
-  if (arg.has_aggregate_type()) {
-    return arg.aggregate_type();
-  } else if (arg.has_primitive_type()) {
-    return GetCppVariableType(arg.primitive_type());
+  if (arg.aggregate_type().size() == 1) {
+    return arg.aggregate_type(0);
+  } else if (arg.primitive_type().size() == 1) {
+    return GetCppVariableType(arg.primitive_type(0));
+  } else if (arg.primitive_type().size() > 1
+             || arg.aggregate_type().size() > 1) {
+    cerr << __FUNCTION__
+        << ": aggregate type with multiple attributes; not supported" << endl;
+    exit(-1);
   }
   cerr << __FUNCTION__ << ": neither instance nor data type is set" << endl;
   exit(-1);
@@ -115,46 +120,54 @@
 
 
 string GetCppInstanceType(ArgumentSpecificationMessage arg, string msg) {
-  if (arg.has_aggregate_type()) {
-    if (!strcmp(arg.aggregate_type().c_str(), "struct light_state_t*")) {
+  if (arg.aggregate_type().size() == 1) {
+    if (!strcmp(arg.aggregate_type(0).c_str(), "struct light_state_t*")) {
       if (msg.length() == 0) {
         return "GenerateLightState()";
       } else {
         return "GenerateLightStateUsingMessage(" + msg + ")";
       }
-    } else if (!strcmp(arg.aggregate_type().c_str(), "GpsCallbacks*")) {
+    } else if (!strcmp(arg.aggregate_type(0).c_str(), "GpsCallbacks*")) {
       return "GenerateGpsCallbacks()";
-    } else if (!strcmp(arg.aggregate_type().c_str(), "GpsUtcTime")) {
+    } else if (!strcmp(arg.aggregate_type(0).c_str(), "GpsUtcTime")) {
       return "GenerateGpsUtcTime()";
-    } else if (!strcmp(arg.aggregate_type().c_str(), "vts_gps_latitude")) {
+    } else if (!strcmp(arg.aggregate_type(0).c_str(), "vts_gps_latitude")) {
       return "GenerateLatitude()";
-    } else if (!strcmp(arg.aggregate_type().c_str(), "vts_gps_longitude")) {
+    } else if (!strcmp(arg.aggregate_type(0).c_str(), "vts_gps_longitude")) {
       return "GenerateLongitude()";
-    } else if (!strcmp(arg.aggregate_type().c_str(), "vts_gps_accuracy")) {
+    } else if (!strcmp(arg.aggregate_type(0).c_str(), "vts_gps_accuracy")) {
       return "GenerateGpsAccuracy()";
-    } else if (!strcmp(arg.aggregate_type().c_str(), "vts_gps_flags_uint16")) {
+    } else if (!strcmp(arg.aggregate_type(0).c_str(), "vts_gps_flags_uint16")) {
       return "GenerateGpsFlagsUint16()";
-    } else if (!strcmp(arg.aggregate_type().c_str(), "GpsPositionMode")) {
+    } else if (!strcmp(arg.aggregate_type(0).c_str(), "GpsPositionMode")) {
       return "GenerateGpsPositionMode()";
-    } else if (!strcmp(arg.aggregate_type().c_str(), "GpsPositionRecurrence")) {
+    } else if (!strcmp(arg.aggregate_type(0).c_str(), "GpsPositionRecurrence")) {
       return "GenerateGpsPositionRecurrence()";
-    } else if (!strcmp(arg.aggregate_type().c_str(), "wifi_handle*")) {
+    } else if (!strcmp(arg.aggregate_type(0).c_str(), "wifi_handle*")) {
       return "(wifi_handle*) malloc(sizeof(wifi_handle))";
     } else {
       cerr << __FILE__ << ":" << __LINE__ << " "
-          << "unknown instance type " << arg.aggregate_type() << endl;
+          << "unknown instance type " << arg.aggregate_type(0) << endl;
     }
+  } else if (arg.aggregate_type().size() > 1) {
+    cerr << __FUNCTION__
+        << ": aggregate type with multiple attributes; not supported" << endl;
+    exit(-1);
   }
-  if (arg.has_primitive_type()) {
-    if (!strcmp(arg.primitive_type().c_str(), "uint32_t")) {
+  if (arg.primitive_type().size() > 1) {
+    cerr << __FUNCTION__
+        << ": a structure with multiple attributes; not supported" << endl;
+    exit(-1);
+  } else if (arg.primitive_type().size() == 1) {
+    if (!strcmp(arg.primitive_type(0).c_str(), "uint32_t")) {
       return "RandomUint32()";
-    } else if (!strcmp(arg.primitive_type().c_str(), "int32_t")) {
+    } else if (!strcmp(arg.primitive_type(0).c_str(), "int32_t")) {
       return "RandomInt32()";
-    } else if (!strcmp(arg.primitive_type().c_str(), "char_pointer")) {
+    } else if (!strcmp(arg.primitive_type(0).c_str(), "char_pointer")) {
       return "RandomCharPointer()";
     }
     cerr << __FILE__ << ":" << __LINE__ << " "
-        << "unknown data type " << arg.primitive_type() << endl;
+        << "unknown data type " << arg.primitive_type(0) << endl;
     exit(-1);
   }
   cerr << __FUNCTION__ << ": neither instance nor data type is set" << endl;
diff --git a/sysfuzzer/vtscompiler/code_gen/HalCodeGen.cpp b/sysfuzzer/vtscompiler/code_gen/HalCodeGen.cpp
index 955fc55..d351304 100644
--- a/sysfuzzer/vtscompiler/code_gen/HalCodeGen.cpp
+++ b/sysfuzzer/vtscompiler/code_gen/HalCodeGen.cpp
@@ -53,8 +53,8 @@
       cpp_ss << "    " << GetCppVariableType(arg) << " ";
       cpp_ss << "arg" << arg_count << " = ";
       if (arg_count == 0
-          && arg.has_aggregate_type()
-          && !strncmp(arg.aggregate_type().c_str(),
+          && arg.aggregate_type().size() == 1
+          && !strncmp(arg.aggregate_type(0).c_str(),
                       message.original_data_structure_name().c_str(),
                       message.original_data_structure_name().length())) {
         cpp_ss << "reinterpret_cast<" << GetCppVariableType(arg) << ">("
@@ -78,8 +78,8 @@
     // actual function call
     GenerateCodeToStartMeasurement(cpp_ss);
     cpp_ss << "    ";
-    if (api.return_type().has_primitive_type()
-        && !strcmp(api.return_type().primitive_type().c_str(), "void")) {
+    if (api.return_type().primitive_type().size() == 1
+        && !strcmp(api.return_type().primitive_type(0).c_str(), "void")) {
       cpp_ss << "*result = NULL;" << endl;
     } else {
       cpp_ss << "*result = const_cast<void*>(reinterpret_cast<const void*>(";
@@ -94,8 +94,9 @@
         cpp_ss << "," << endl;
       }
     }
-    if (!api.return_type().has_primitive_type()
-        || strcmp(api.return_type().primitive_type().c_str(), "void")) {
+    if (api.return_type().primitive_type().size() == 0
+        || (api.return_type().primitive_type().size() == 1
+            && strcmp(api.return_type().primitive_type(0).c_str(), "void"))) {
       cpp_ss << "))";
     }
     cpp_ss << ");" << endl;
diff --git a/sysfuzzer/vtscompiler/code_gen/LegacyHalCodeGen.cpp b/sysfuzzer/vtscompiler/code_gen/LegacyHalCodeGen.cpp
index 72310f2..146d4de 100644
--- a/sysfuzzer/vtscompiler/code_gen/LegacyHalCodeGen.cpp
+++ b/sysfuzzer/vtscompiler/code_gen/LegacyHalCodeGen.cpp
@@ -55,8 +55,8 @@
       cpp_ss << "    " << GetCppVariableType(arg) << " ";
       cpp_ss << "arg" << arg_count << " = ";
       if (arg_count == 0
-          && arg.has_aggregate_type()
-          && !strncmp(arg.aggregate_type().c_str(),
+          && arg.aggregate_type().size() == 1
+          && !strncmp(arg.aggregate_type(0).c_str(),
                       message.original_data_structure_name().c_str(),
                       message.original_data_structure_name().length())
           && message.original_data_structure_name().length() > 0) {
@@ -77,8 +77,8 @@
     cpp_ss << ");" << endl;
 
     // actual function call
-    if (api.return_type().has_primitive_type()
-        && !strcmp(api.return_type().primitive_type().c_str(), "void")) {
+    if (api.return_type().primitive_type().size() == 1
+        && !strcmp(api.return_type().primitive_type(0).c_str(), "void")) {
       cpp_ss << "*result = NULL;" << endl;
     } else {
       cpp_ss << "*result = const_cast<void*>(reinterpret_cast<const void*>(";
@@ -97,8 +97,9 @@
         cpp_ss << "," << endl;
       }
     }
-    if (!api.return_type().has_primitive_type()
-        || strcmp(api.return_type().primitive_type().c_str(), "void")) {
+    if (api.return_type().primitive_type().size() == 0
+        || (api.return_type().primitive_type().size() == 1
+            && strcmp(api.return_type().primitive_type(0).c_str(), "void"))) {
       cpp_ss << "))";
     }
     cpp_ss << ");" << endl;