author | gziemski |
Thu, 18 Jun 2015 14:39:38 -0500 | |
changeset 31371 | 311143309e73 |
child 31995 | aa4049b4184a |
permissions | -rw-r--r-- |
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/* |
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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_COMMANDLINEFLAGCONSTRAINTLIST_HPP |
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#define SHARE_VM_RUNTIME_COMMANDLINEFLAGCONSTRAINTLIST_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 constraints (as custom functions) for flags, |
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* which otherwise can not be expressed via simple range check, specified in flag macro tables. |
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* |
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* An example of a constraint is "flag1 < flag2" where both flag1 and flag2 can change. |
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* |
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* See runtime "runtime/commandLineFlagConstraintsCompiler.hpp", |
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* "runtime/commandLineFlagConstraintsGC.hpp" and |
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* "runtime/commandLineFlagConstraintsRuntime.hpp" for the functions themselves. |
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*/ |
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typedef Flag::Error (*CommandLineFlagConstraintFunc_bool)(bool verbose, bool* value); |
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typedef Flag::Error (*CommandLineFlagConstraintFunc_int)(bool verbose, int* value); |
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typedef Flag::Error (*CommandLineFlagConstraintFunc_intx)(bool verbose, intx* value); |
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typedef Flag::Error (*CommandLineFlagConstraintFunc_uint)(bool verbose, uint* value); |
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typedef Flag::Error (*CommandLineFlagConstraintFunc_uintx)(bool verbose, uintx* value); |
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typedef Flag::Error (*CommandLineFlagConstraintFunc_uint64_t)(bool verbose, uint64_t* value); |
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typedef Flag::Error (*CommandLineFlagConstraintFunc_size_t)(bool verbose, size_t* value); |
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typedef Flag::Error (*CommandLineFlagConstraintFunc_double)(bool verbose, double* value); |
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class CommandLineFlagConstraint : 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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CommandLineFlagConstraint(const char* name) { _name=name; }; |
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~CommandLineFlagConstraint() {}; |
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const char* name() { return _name; } |
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virtual Flag::Error apply_bool(bool* value, bool verbose = true) { ShouldNotReachHere(); return Flag::ERR_OTHER; }; |
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virtual Flag::Error apply_int(int* value, bool verbose = true) { ShouldNotReachHere(); return Flag::ERR_OTHER; }; |
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virtual Flag::Error apply_intx(intx* value, bool verbose = true) { ShouldNotReachHere(); return Flag::ERR_OTHER; }; |
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virtual Flag::Error apply_uint(uint* value, bool verbose = true) { ShouldNotReachHere(); return Flag::ERR_OTHER; }; |
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virtual Flag::Error apply_uintx(uintx* value, bool verbose = true) { ShouldNotReachHere(); return Flag::ERR_OTHER; }; |
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virtual Flag::Error apply_uint64_t(uint64_t* value, bool verbose = true) { ShouldNotReachHere(); return Flag::ERR_OTHER; }; |
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virtual Flag::Error apply_size_t(size_t* value, bool verbose = true) { ShouldNotReachHere(); return Flag::ERR_OTHER; }; |
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virtual Flag::Error apply_double(double* value, bool verbose = true) { ShouldNotReachHere(); return Flag::ERR_OTHER; }; |
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}; |
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class CommandLineFlagConstraintList : public AllStatic { |
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private: |
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static GrowableArray<CommandLineFlagConstraint*>* _constraints; |
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public: |
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static void init(); |
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static int length() { return (_constraints != NULL) ? _constraints->length() : 0; } |
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static CommandLineFlagConstraint* at(int i) { return (_constraints != NULL) ? _constraints->at(i) : NULL; } |
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static CommandLineFlagConstraint* find(const char* name); |
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static void add(CommandLineFlagConstraint* constraint) { _constraints->append(constraint); } |
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}; |
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#endif /* SHARE_VM_RUNTIME_COMMANDLINEFLAGCONSTRAINTLIST_HPP */ |