Mercurial > jdk8-mips64-public > hotspot / file revision

 /*

  * Copyright (c) 2011, 2012, Oracle and/or its affiliates. All rights reserved.

  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

  *

  * This code is free software; you can redistribute it and/or modify it

  * under the terms of the GNU General Public License version 2 only, as

  * published by the Free Software Foundation.

  *

  * This code is distributed in the hope that it will be useful, but WITHOUT

  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

  * version 2 for more details (a copy is included in the LICENSE file that

  * accompanied this code).

  *

  * You should have received a copy of the GNU General Public License version

  * 2 along with this work; if not, write to the Free Software Foundation,

  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

  *

  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

  * or visit www.oracle.com if you need additional information or have any

  * questions.

  *

  */

 #include "precompiled.hpp"

 #include "classfile/symbolTable.hpp"

 #include "prims/jni.h"

 #include "prims/whitebox.hpp"

 #include "prims/wbtestmethods/parserTests.hpp"

 #include "runtime/interfaceSupport.hpp"

 #include "memory/oopFactory.hpp"

 #include "services/diagnosticArgument.hpp"

 #include "services/diagnosticFramework.hpp"

 //There's no way of beforeahnd knowing an upper size

 //Of the length of a string representation of

 //the value of an argument.

 #define VALUE_MAXLEN 256

 // DiagnosticFramework test utility methods

 /*

  * The DiagnosticArgumentType class contains an enum that says which type

  * this argument represents. (JLONG, BOOLEAN etc).

  * This method Returns a char* representation of that enum value.

  */

 static const char* lookup_diagnosticArgumentEnum(const char* field_name, oop object) {

   Thread* THREAD = Thread::current();

   const char* enum_sig = "Lsun/hotspot/parser/DiagnosticCommand$DiagnosticArgumentType;";

   TempNewSymbol enumSigSymbol = SymbolTable::lookup(enum_sig, (int) strlen(enum_sig), THREAD);

   int offset = WhiteBox::offset_for_field(field_name, object, enumSigSymbol);

   oop enumOop = object->obj_field(offset);

   const char* ret = WhiteBox::lookup_jstring("name", enumOop);

   return ret;

 }

 /*

  * Takes an oop to a DiagnosticArgumentType-instance and

  * reads the fields from it. Fills an native DCmdParser with

  * this info.

  */

 static void fill_in_parser(DCmdParser* parser, oop argument)

 {

   const char* name = WhiteBox::lookup_jstring("name", argument);

   const char* desc = WhiteBox::lookup_jstring("desc", argument);

   const char* default_value = WhiteBox::lookup_jstring("defaultValue", argument);

   bool mandatory = WhiteBox::lookup_bool("mandatory", argument);

   const char*  type = lookup_diagnosticArgumentEnum("type", argument);

    if (strcmp(type, "STRING") == 0) {

      DCmdArgument<char*>* argument = new DCmdArgument<char*>(

      name, desc,

      "STRING", mandatory, default_value);

      parser->add_dcmd_option(argument);

    } else if (strcmp(type, "NANOTIME") == 0) {

      DCmdArgument<NanoTimeArgument>* argument = new DCmdArgument<NanoTimeArgument>(

      name, desc,

      "NANOTIME", mandatory, default_value);

      parser->add_dcmd_option(argument);

    } else if (strcmp(type, "JLONG") == 0) {

      DCmdArgument<jlong>* argument = new DCmdArgument<jlong>(

      name, desc,

      "JLONG", mandatory, default_value);

      parser->add_dcmd_option(argument);

    } else if (strcmp(type, "BOOLEAN") == 0) {

      DCmdArgument<bool>* argument = new DCmdArgument<bool>(

      name, desc,

      "BOOLEAN", mandatory, default_value);

      parser->add_dcmd_option(argument);

    } else if (strcmp(type, "MEMORYSIZE") == 0) {

      DCmdArgument<MemorySizeArgument>* argument = new DCmdArgument<MemorySizeArgument>(

      name, desc,

      "MEMORY SIZE", mandatory, default_value);

      parser->add_dcmd_option(argument);

    } else if (strcmp(type, "STRINGARRAY") == 0) {

      DCmdArgument<StringArrayArgument*>* argument = new DCmdArgument<StringArrayArgument*>(

      name, desc,

      "STRING SET", mandatory);

      parser->add_dcmd_option(argument);

    }

 }

 /*

  * Will Fill in a java object array with alternating names of parsed command line options and

  * the value that has been parsed for it:

  * { name, value, name, value ... }

  * This can then be checked from java.

  */

 WB_ENTRY(jobjectArray, WB_ParseCommandLine(JNIEnv* env, jobject o, jstring j_cmdline, jobjectArray arguments))

   ResourceMark rm;

   DCmdParser parser;

   const char* c_cmdline = java_lang_String::as_utf8_string(JNIHandles::resolve(j_cmdline));

   objArrayOop argumentArray = objArrayOop(JNIHandles::resolve_non_null(arguments));

   int length = argumentArray->length();

   for (int i = 0; i < length; i++) {

     oop argument_oop = argumentArray->obj_at(i);

     fill_in_parser(&parser, argument_oop);

   }

   CmdLine cmdline(c_cmdline, strlen(c_cmdline), true);

   parser.parse(&cmdline,',',CHECK_NULL);

   Klass* k = SystemDictionary::Object_klass();

   objArrayOop returnvalue_array = oopFactory::new_objArray(k, parser.num_arguments() * 2, CHECK_NULL);

   GrowableArray<const char *>*parsedArgNames = parser.argument_name_array();

   for (int i = 0; i < parser.num_arguments(); i++) {

     oop parsedName = java_lang_String::create_oop_from_str(parsedArgNames->at(i), CHECK_NULL);

     returnvalue_array->obj_at_put(i*2, parsedName);

     GenDCmdArgument* arg = parser.lookup_dcmd_option(parsedArgNames->at(i), strlen(parsedArgNames->at(i)));

     char buf[VALUE_MAXLEN];

     arg->value_as_str(buf, sizeof(buf));

     oop parsedValue = java_lang_String::create_oop_from_str(buf, CHECK_NULL);

     returnvalue_array->obj_at_put(i*2+1, parsedValue);

   }

   return (jobjectArray) JNIHandles::make_local(returnvalue_array);

 WB_END