154a1a02bf
Use script and some manual fixup to fix directores names in include guards. Reviewed-by: lfoltan, eosterlund, kbarrett
131 lines
4.4 KiB
C++
131 lines
4.4 KiB
C++
/*
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* Copyright (c) 2015, 2019, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*
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*/
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#ifndef SHARE_CLASSFILE_CLASSLISTPARSER_HPP
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#define SHARE_CLASSFILE_CLASSLISTPARSER_HPP
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#include "utilities/exceptions.hpp"
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#include "utilities/globalDefinitions.hpp"
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#include "utilities/growableArray.hpp"
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#include "utilities/hashtable.inline.hpp"
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class ID2KlassTable : public KVHashtable<int, InstanceKlass*, mtInternal> {
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public:
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ID2KlassTable() : KVHashtable<int, InstanceKlass*, mtInternal>(1987) {}
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};
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class ClassListParser : public StackObj {
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enum {
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_unspecified = -999,
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// Max number of bytes allowed per line in the classlist.
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// Theoretically Java class names could be 65535 bytes in length. Also, an input line
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// could have a very long path name up to JVM_MAXPATHLEN bytes in length. In reality,
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// 4K bytes is more than enough.
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_max_allowed_line_len = 4096,
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_line_buf_extra = 10, // for detecting input too long
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_line_buf_size = _max_allowed_line_len + _line_buf_extra
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};
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static ClassListParser* _instance; // the singleton.
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const char* _classlist_file;
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FILE* _file;
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ID2KlassTable _id2klass_table;
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// The following field contains information from the *current* line being
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// parsed.
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char _line[_line_buf_size]; // The buffer that holds the current line. Some characters in
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// the buffer may be overwritten by '\0' during parsing.
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int _line_len; // Original length of the input line.
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int _line_no; // Line number for current line being parsed
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const char* _class_name;
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int _id;
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int _super;
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GrowableArray<int>* _interfaces;
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bool _interfaces_specified;
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const char* _source;
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bool parse_int_option(const char* option_name, int* value);
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InstanceKlass* load_class_from_source(Symbol* class_name, TRAPS);
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ID2KlassTable *table() {
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return &_id2klass_table;
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}
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InstanceKlass* lookup_class_by_id(int id);
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void print_specified_interfaces();
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void print_actual_interfaces(InstanceKlass *ik);
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public:
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ClassListParser(const char* file);
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~ClassListParser();
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static ClassListParser* instance() {
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return _instance;
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}
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bool parse_one_line();
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char* _token;
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void error(const char* msg, ...);
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void parse_int(int* value);
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bool try_parse_int(int* value);
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bool skip_token(const char* option_name);
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void skip_whitespaces();
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void skip_non_whitespaces();
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bool is_id_specified() {
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return _id != _unspecified;
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}
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bool is_super_specified() {
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return _super != _unspecified;
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}
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bool are_interfaces_specified() {
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return _interfaces->length() > 0;
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}
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int id() {
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assert(is_id_specified(), "do not query unspecified id");
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return _id;
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}
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int super() {
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assert(is_super_specified(), "do not query unspecified super");
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return _super;
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}
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void check_already_loaded(const char* which, int id) {
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if (_id2klass_table.lookup(id) == NULL) {
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error("%s id %d is not yet loaded", which, id);
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}
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}
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const char* current_class_name() {
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return _class_name;
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}
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Klass* load_current_class(TRAPS);
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bool is_loading_from_source();
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// Look up the super or interface of the current class being loaded
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// (in this->load_current_class()).
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InstanceKlass* lookup_super_for_current_class(Symbol* super_name);
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InstanceKlass* lookup_interface_for_current_class(Symbol* interface_name);
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};
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#endif // SHARE_CLASSFILE_CLASSLISTPARSER_HPP
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