1 /*
2 * Copyright (c) 2011, 2013, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 *
23 */
24
25 #include "precompiled.hpp"
26
27 #include "classfile/symbolTable.hpp"
28
29 #include "prims/jni.h"
30 #include "prims/whitebox.hpp"
31 #include "prims/wbtestmethods/parserTests.hpp"
32 #include "runtime/interfaceSupport.hpp"
33
34 #include "memory/oopFactory.hpp"
35
36 #include "services/diagnosticArgument.hpp"
37 #include "services/diagnosticFramework.hpp"
38
39 //There's no way of beforeahnd knowing an upper size
40 //Of the length of a string representation of
41 //the value of an argument.
42 #define VALUE_MAXLEN 256
43
44 // DiagnosticFramework test utility methods
45
46 /*
47 * The DiagnosticArgumentType class contains an enum that says which type
48 * this argument represents. (JLONG, BOOLEAN etc).
49 * This method Returns a char* representation of that enum value.
50 */
51 static const char* lookup_diagnosticArgumentEnum(const char* field_name, oop object) {
52 Thread* THREAD = Thread::current();
53 const char* enum_sig = "Lsun/hotspot/parser/DiagnosticCommand$DiagnosticArgumentType;";
54 TempNewSymbol enumSigSymbol = SymbolTable::lookup_and_add(enum_sig, (int) strlen(enum_sig), THREAD);
55 int offset = WhiteBox::offset_for_field(field_name, object, enumSigSymbol);
56 oop enumOop = object->obj_field(offset);
57
58 const char* ret = WhiteBox::lookup_jstring("name", enumOop);
59 return ret;
60 }
61
62 /*
63 * Takes an oop to a DiagnosticArgumentType-instance and
64 * reads the fields from it. Fills an native DCmdParser with
65 * this info.
66 */
67 static void fill_in_parser(DCmdParser* parser, oop argument)
68 {
69 const char* name = WhiteBox::lookup_jstring("name", argument);
70 const char* desc = WhiteBox::lookup_jstring("desc", argument);
71 const char* default_value = WhiteBox::lookup_jstring("defaultValue", argument);
72 bool mandatory = WhiteBox::lookup_bool("mandatory", argument);
73 const char* type = lookup_diagnosticArgumentEnum("type", argument);
74
75 if (strcmp(type, "STRING") == 0) {
76 DCmdArgument<char*>* argument = new DCmdArgument<char*>(
77 name, desc,
78 "STRING", mandatory, default_value);
79 parser->add_dcmd_option(argument);
80 } else if (strcmp(type, "NANOTIME") == 0) {
81 DCmdArgument<NanoTimeArgument>* argument = new DCmdArgument<NanoTimeArgument>(
82 name, desc,
83 "NANOTIME", mandatory, default_value);
84 parser->add_dcmd_option(argument);
85 } else if (strcmp(type, "JLONG") == 0) {
86 DCmdArgument<jlong>* argument = new DCmdArgument<jlong>(
87 name, desc,
88 "JLONG", mandatory, default_value);
89 parser->add_dcmd_option(argument);
90 } else if (strcmp(type, "BOOLEAN") == 0) {
91 DCmdArgument<bool>* argument = new DCmdArgument<bool>(
92 name, desc,
93 "BOOLEAN", mandatory, default_value);
94 parser->add_dcmd_option(argument);
95 } else if (strcmp(type, "MEMORYSIZE") == 0) {
96 DCmdArgument<MemorySizeArgument>* argument = new DCmdArgument<MemorySizeArgument>(
97 name, desc,
98 "MEMORY SIZE", mandatory, default_value);
99 parser->add_dcmd_option(argument);
100 } else if (strcmp(type, "STRINGARRAY") == 0) {
101 DCmdArgument<StringArrayArgument*>* argument = new DCmdArgument<StringArrayArgument*>(
102 name, desc,
103 "STRING SET", mandatory);
104 parser->add_dcmd_option(argument);
105 }
106 }
107
108 /*
109 * Will Fill in a java object array with alternating names of parsed command line options and
110 * the value that has been parsed for it:
111 * { name, value, name, value ... }
112 * This can then be checked from java.
113 */
114 WB_ENTRY(jobjectArray, WB_ParseCommandLine(JNIEnv* env, jobject o, jstring j_cmdline, jobjectArray arguments))
115 ResourceMark rm;
116 DCmdParser parser;
117
118 const char* c_cmdline = java_lang_String::as_utf8_string(JNIHandles::resolve(j_cmdline));
119 objArrayOop argumentArray = objArrayOop(JNIHandles::resolve_non_null(arguments));
120 objArrayHandle argumentArray_ah(THREAD, argumentArray);
121
122 int length = argumentArray_ah->length();
123
124 for (int i = 0; i < length; i++) {
125 oop argument_oop = argumentArray_ah->obj_at(i);
126 fill_in_parser(&parser, argument_oop);
127 }
128
129 CmdLine cmdline(c_cmdline, strlen(c_cmdline), true);
130 parser.parse(&cmdline,',',CHECK_NULL);
131
132 Klass* k = SystemDictionary::Object_klass();
133 objArrayOop returnvalue_array = oopFactory::new_objArray(k, parser.num_arguments() * 2, CHECK_NULL);
134 objArrayHandle returnvalue_array_ah(THREAD, returnvalue_array);
135
136 GrowableArray<const char *>*parsedArgNames = parser.argument_name_array();
137
138 for (int i = 0; i < parser.num_arguments(); i++) {
139 oop parsedName = java_lang_String::create_oop_from_str(parsedArgNames->at(i), CHECK_NULL);
140 returnvalue_array_ah->obj_at_put(i*2, parsedName);
141 GenDCmdArgument* arg = parser.lookup_dcmd_option(parsedArgNames->at(i), strlen(parsedArgNames->at(i)));
142 char buf[VALUE_MAXLEN];
143 arg->value_as_str(buf, sizeof(buf));
144 oop parsedValue = java_lang_String::create_oop_from_str(buf, CHECK_NULL);
145 returnvalue_array_ah->obj_at_put(i*2+1, parsedValue);
146 }
147
148 return (jobjectArray) JNIHandles::make_local(returnvalue_array_ah());
149
150 WB_END