--- a/src/hotspot/share/logging/logTagLevelExpression.cpp Wed Feb 28 14:29:37 2018 +0530
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,195 +0,0 @@
-/*
- * Copyright (c) 2015, 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 "logging/logTagLevelExpression.hpp"
-#include "logging/logTagSet.hpp"
-#include "runtime/arguments.hpp"
-#include "runtime/os.inline.hpp"
-
-const char* LogTagLevelExpression::DefaultExpressionString = "all";
-
-static bool matches_tagset(const LogTagType tags[],
- bool allow_other_tags,
- const LogTagSet& ts) {
- bool contains_all = true;
- size_t tag_idx;
- for (tag_idx = 0; tag_idx < LogTag::MaxTags && tags[tag_idx] != LogTag::__NO_TAG; tag_idx++) {
- if (!ts.contains(tags[tag_idx])) {
- contains_all = false;
- break;
- }
- }
- // All tags in the expression must be part of the tagset,
- // and either the expression allows other tags (has a wildcard),
- // or the number of tags in the expression and tagset must match.
- return contains_all && (allow_other_tags || tag_idx == ts.ntags());
-}
-
-bool LogTagLevelExpression::verify_tagsets(outputStream* out) const {
- bool valid = true;
-
- for (size_t i = 0; i < _ncombinations; i++) {
- bool matched = false;
- for (LogTagSet* ts = LogTagSet::first(); ts != NULL; ts = ts->next()) {
- if (matches_tagset(_tags[i], _allow_other_tags[i], *ts)) {
- matched = true;
- break;
- }
- }
-
- if (!matched) {
- // If this was the first invalid combination, write the message header
- if (valid && out != NULL) {
- out->print("No tag set matches selection(s): ");
- }
- valid = false;
-
- // Break as soon as possible unless listing all invalid combinations
- if (out == NULL) {
- break;
- }
-
- // List the combination on the outputStream
- for (size_t t = 0; t < LogTag::MaxTags && _tags[i][t] != LogTag::__NO_TAG; t++) {
- out->print("%s%s", (t == 0 ? "" : "+"), LogTag::name(_tags[i][t]));
- }
- if (_allow_other_tags[i]) {
- out->print("*");
- }
- out->print(" ");
- }
- }
-
- if (!valid && out != NULL) {
- out->cr();
- }
-
- return valid;
-}
-
-bool LogTagLevelExpression::parse(const char* str, outputStream* errstream) {
- bool success = true;
- if (str == NULL || strcmp(str, "") == 0) {
- str = DefaultExpressionString;
- }
- char* copy = os::strdup_check_oom(str, mtLogging);
- // Split string on commas
- for (char *comma_pos = copy, *cur = copy; success && comma_pos != NULL; cur = comma_pos + 1) {
- if (_ncombinations == MaxCombinations) {
- if (errstream != NULL) {
- errstream->print_cr("Can not have more than " SIZE_FORMAT " tag combinations in a what-expression.",
- MaxCombinations);
- }
- success = false;
- break;
- }
-
- comma_pos = strchr(cur, ',');
- if (comma_pos != NULL) {
- *comma_pos = '\0';
- }
-
- // Parse the level, if specified
- LogLevelType level = LogLevel::Unspecified;
- char* equals = strchr(cur, '=');
- if (equals != NULL) {
- level = LogLevel::from_string(equals + 1);
- if (level == LogLevel::Invalid) {
- if (errstream != NULL) {
- errstream->print_cr("Invalid level '%s' in what-expression.", equals + 1);
- }
- success = false;
- break;
- }
- *equals = '\0'; // now ignore "=level" part of substr
- }
- set_level(level);
-
- // Parse special tags such as 'all'
- if (strcmp(cur, "all") == 0) {
- set_allow_other_tags();
- new_combination();
- continue;
- }
-
- // Check for '*' suffix
- char* asterisk_pos = strchr(cur, '*');
- if (asterisk_pos != NULL && asterisk_pos[1] == '\0') {
- set_allow_other_tags();
- *asterisk_pos = '\0';
- }
-
- // Parse the tag expression (t1+t2+...+tn)
- char* plus_pos;
- char* cur_tag = cur;
- do {
- plus_pos = strchr(cur_tag, '+');
- if (plus_pos != NULL) {
- *plus_pos = '\0';
- }
- LogTagType tag = LogTag::from_string(cur_tag);
- if (tag == LogTag::__NO_TAG) {
- if (errstream != NULL) {
- errstream->print_cr("Invalid tag '%s' in what-expression.", cur_tag);
- }
- success = false;
- break;
- }
- if (_ntags == LogTag::MaxTags) {
- if (errstream != NULL) {
- errstream->print_cr("Tag combination exceeds the maximum of " SIZE_FORMAT " tags.",
- LogTag::MaxTags);
- }
- success = false;
- break;
- }
- if (!add_tag(tag)) {
- if (errstream != NULL) {
- errstream->print_cr("Tag combination have duplicate tag '%s' in what-expression.",
- cur_tag);
- }
- success = false;
- break;
- }
- cur_tag = plus_pos + 1;
- } while (plus_pos != NULL);
-
- new_combination();
- }
-
- os::free(copy);
- return success;
-}
-
-LogLevelType LogTagLevelExpression::level_for(const LogTagSet& ts) const {
- // Return NotMentioned if the given tagset isn't covered by this expression.
- LogLevelType level = LogLevel::NotMentioned;
- for (size_t combination = 0; combination < _ncombinations; combination++) {
- if (matches_tagset(_tags[combination], _allow_other_tags[combination], ts)) {
- level = _level[combination];
- }
- }
- return level;
-}
-