80 lines
3.5 KiB
C++
80 lines
3.5 KiB
C++
/*
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* Copyright (c) 2015, 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_VM_RUNTIME_COMMANDLINEFLAGRANGELIST_HPP
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#define SHARE_VM_RUNTIME_COMMANDLINEFLAGRANGELIST_HPP
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#include "memory/metaspaceShared.hpp"
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#include "runtime/globals.hpp"
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#include "utilities/growableArray.hpp"
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/*
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* Here we have a mechanism for extracting ranges specified in flag macro tables.
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*
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* The specified ranges are used to verify that flags have valid values.
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*
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* An example of a range is "min <= flag <= max". Both "min" and "max" must be
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* constant and can not change. If either "min" or "max" can change,
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* then we need to use constraint instead.
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*/
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class CommandLineError : public AllStatic {
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public:
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static void print(bool verbose, const char* msg, ...);
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};
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class CommandLineFlagRange : public CHeapObj<mtInternal> {
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private:
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const char* _name;
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public:
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// the "name" argument must be a string literal
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CommandLineFlagRange(const char* name) { _name=name; }
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~CommandLineFlagRange() {}
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const char* name() { return _name; }
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virtual Flag::Error check_int(int value, bool verbose = true) { ShouldNotReachHere(); return Flag::ERR_OTHER; }
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virtual Flag::Error check_intx(intx value, bool verbose = true) { ShouldNotReachHere(); return Flag::ERR_OTHER; }
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virtual Flag::Error check_uint(uint value, bool verbose = true) { ShouldNotReachHere(); return Flag::ERR_OTHER; }
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virtual Flag::Error check_uintx(uintx value, bool verbose = true) { ShouldNotReachHere(); return Flag::ERR_OTHER; }
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virtual Flag::Error check_uint64_t(uint64_t value, bool verbose = true) { ShouldNotReachHere(); return Flag::ERR_OTHER; }
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virtual Flag::Error check_size_t(size_t value, bool verbose = true) { ShouldNotReachHere(); return Flag::ERR_OTHER; }
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virtual Flag::Error check_double(double value, bool verbose = true) { ShouldNotReachHere(); return Flag::ERR_OTHER; }
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virtual void print(outputStream* st) { ; }
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};
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class CommandLineFlagRangeList : public AllStatic {
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static GrowableArray<CommandLineFlagRange*>* _ranges;
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public:
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static void init();
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static void add_globals_ext();
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static int length() { return (_ranges != NULL) ? _ranges->length() : 0; }
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static CommandLineFlagRange* at(int i) { return (_ranges != NULL) ? _ranges->at(i) : NULL; }
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static CommandLineFlagRange* find(const char* name);
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static void add(CommandLineFlagRange* range) { _ranges->append(range); }
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static void print(const char* name, outputStream* st, bool unspecified = false);
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// Check the final values of all flags for ranges.
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static bool check_ranges();
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};
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#endif // SHARE_VM_RUNTIME_COMMANDLINEFLAGRANGELIST_HPP
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