--- /dev/null 2012-02-15 16:35:17.159381633 +0100 +++ new/src/share/vm/prims/wbtestmethods/parserTests.cpp 2012-03-21 17:58:30.000000000 +0100 @@ -0,0 +1,148 @@ +/* + * Copyright (c) 2011, 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* argument = new DCmdArgument( + name, desc, + "STRING", mandatory, default_value); + parser->add_dcmd_option(argument); + } else if (strcmp(type, "NANOTIME") == 0) { + DCmdArgument* argument = new DCmdArgument( + name, desc, + "NANOTIME", mandatory, default_value); + parser->add_dcmd_option(argument); + } else if (strcmp(type, "JLONG") == 0) { + DCmdArgument* argument = new DCmdArgument( + name, desc, + "JLONG", mandatory, default_value); + parser->add_dcmd_option(argument); + } else if (strcmp(type, "BOOLEAN") == 0) { + DCmdArgument* argument = new DCmdArgument( + name, desc, + "BOOLEAN", mandatory, default_value); + parser->add_dcmd_option(argument); + } else if (strcmp(type, "MEMORYSIZE") == 0) { + DCmdArgument* argument = new DCmdArgument( + name, desc, + "MEMORY SIZE", mandatory, default_value); + parser->add_dcmd_option(argument); + } else if (strcmp(type, "STRINGARRAY") == 0) { + DCmdArgument* argument = new DCmdArgument( + 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); + + klassOop k = SystemDictionary::Object_klass(); + objArrayOop returnvalue_array = oopFactory::new_objArray(k, parser.num_arguments() * 2, CHECK_NULL); + + GrowableArray*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