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src/share/vm/services/writeableFlags.cpp

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   1 /*
   2  * Copyright (c) 2015, 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  *


  69   } else {
  70     buffer_concat(buffer, "Error: ");
  71   }
  72   switch (error) {
  73     case Flag::MISSING_NAME:
  74       buffer_concat(buffer, "flag name is missing."); break;
  75     case Flag::MISSING_VALUE:
  76       buffer_concat(buffer, "parsing the textual form of the value."); break;
  77     case Flag::NON_WRITABLE:
  78       buffer_concat(buffer, "flag is not writeable."); break;
  79     case Flag::OUT_OF_BOUNDS:
  80       print_flag_error_message_bounds(name, buffer); break;
  81     case Flag::VIOLATES_CONSTRAINT:
  82       buffer_concat(buffer, "value violates its flag's constraint."); break;
  83     case Flag::INVALID_FLAG:
  84       buffer_concat(buffer, "there is no flag with the given name."); break;
  85     case Flag::ERR_OTHER:
  86       buffer_concat(buffer, "other, unspecified error related to setting the flag."); break;
  87     case Flag::SUCCESS:
  88       break;


  89   }
  90 
  91   err_msg.print("%s", buffer);
  92 }
  93 
  94 // set a boolean global flag
  95 Flag::Error WriteableFlags::set_bool_flag(const char* name, const char* arg, Flag::Flags origin, FormatBuffer<80>& err_msg) {
  96   if ((strcasecmp(arg, "true") == 0) || (*arg == '1' && *(arg + 1) == 0)) {
  97     return set_bool_flag(name, true, origin, err_msg);
  98   } else if ((strcasecmp(arg, "false") == 0) || (*arg == '0' && *(arg + 1) == 0)) {
  99     return set_bool_flag(name, false, origin, err_msg);
 100   }
 101   err_msg.print("flag value must be a boolean (1/0 or true/false)");
 102   return Flag::WRONG_FORMAT;
 103 }
 104 
 105 Flag::Error WriteableFlags::set_bool_flag(const char* name, bool value, Flag::Flags origin, FormatBuffer<80>& err_msg) {
 106   Flag::Error err = CommandLineFlags::boolAtPut(name, &value, origin);
 107   print_flag_error_message_if_needed(err, name, err_msg);
 108   return err;


   1 /*
   2  * Copyright (c) 2015, 2017, 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  *


  69   } else {
  70     buffer_concat(buffer, "Error: ");
  71   }
  72   switch (error) {
  73     case Flag::MISSING_NAME:
  74       buffer_concat(buffer, "flag name is missing."); break;
  75     case Flag::MISSING_VALUE:
  76       buffer_concat(buffer, "parsing the textual form of the value."); break;
  77     case Flag::NON_WRITABLE:
  78       buffer_concat(buffer, "flag is not writeable."); break;
  79     case Flag::OUT_OF_BOUNDS:
  80       print_flag_error_message_bounds(name, buffer); break;
  81     case Flag::VIOLATES_CONSTRAINT:
  82       buffer_concat(buffer, "value violates its flag's constraint."); break;
  83     case Flag::INVALID_FLAG:
  84       buffer_concat(buffer, "there is no flag with the given name."); break;
  85     case Flag::ERR_OTHER:
  86       buffer_concat(buffer, "other, unspecified error related to setting the flag."); break;
  87     case Flag::SUCCESS:
  88       break;
  89     default:
  90       break;
  91   }
  92 
  93   err_msg.print("%s", buffer);
  94 }
  95 
  96 // set a boolean global flag
  97 Flag::Error WriteableFlags::set_bool_flag(const char* name, const char* arg, Flag::Flags origin, FormatBuffer<80>& err_msg) {
  98   if ((strcasecmp(arg, "true") == 0) || (*arg == '1' && *(arg + 1) == 0)) {
  99     return set_bool_flag(name, true, origin, err_msg);
 100   } else if ((strcasecmp(arg, "false") == 0) || (*arg == '0' && *(arg + 1) == 0)) {
 101     return set_bool_flag(name, false, origin, err_msg);
 102   }
 103   err_msg.print("flag value must be a boolean (1/0 or true/false)");
 104   return Flag::WRONG_FORMAT;
 105 }
 106 
 107 Flag::Error WriteableFlags::set_bool_flag(const char* name, bool value, Flag::Flags origin, FormatBuffer<80>& err_msg) {
 108   Flag::Error err = CommandLineFlags::boolAtPut(name, &value, origin);
 109   print_flag_error_message_if_needed(err, name, err_msg);
 110   return err;


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