| /* |
| * 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. |
| * |
| */ |
| |
| #ifndef SHARE_VM_RUNTIME_COMMANDLINEFLAGCONSTRAINTLIST_HPP |
| #define SHARE_VM_RUNTIME_COMMANDLINEFLAGCONSTRAINTLIST_HPP |
| |
| #include "runtime/globals.hpp" |
| #include "utilities/growableArray.hpp" |
| |
| /* |
| * Here we have a mechanism for extracting constraints (as custom functions) for flags, |
| * which otherwise can not be expressed via simple range check, specified in flag macro tables. |
| * |
| * An example of a constraint is "flag1 < flag2" where both flag1 and flag2 can change. |
| * |
| * See runtime "runtime/commandLineFlagConstraintsCompiler.hpp", |
| * "runtime/commandLineFlagConstraintsGC.hpp" and |
| * "runtime/commandLineFlagConstraintsRuntime.hpp" for the functions themselves. |
| */ |
| |
| typedef Flag::Error (*CommandLineFlagConstraintFunc_bool)(bool verbose, bool* value); |
| typedef Flag::Error (*CommandLineFlagConstraintFunc_int)(bool verbose, int* value); |
| typedef Flag::Error (*CommandLineFlagConstraintFunc_intx)(bool verbose, intx* value); |
| typedef Flag::Error (*CommandLineFlagConstraintFunc_uint)(bool verbose, uint* value); |
| typedef Flag::Error (*CommandLineFlagConstraintFunc_uintx)(bool verbose, uintx* value); |
| typedef Flag::Error (*CommandLineFlagConstraintFunc_uint64_t)(bool verbose, uint64_t* value); |
| typedef Flag::Error (*CommandLineFlagConstraintFunc_size_t)(bool verbose, size_t* value); |
| typedef Flag::Error (*CommandLineFlagConstraintFunc_double)(bool verbose, double* value); |
| |
| class CommandLineFlagConstraint : public CHeapObj<mtInternal> { |
| private: |
| const char* _name; |
| public: |
| // the "name" argument must be a string literal |
| CommandLineFlagConstraint(const char* name) { _name=name; }; |
| ~CommandLineFlagConstraint() {}; |
| const char* name() { return _name; } |
| virtual Flag::Error apply_bool(bool* value, bool verbose = true) { ShouldNotReachHere(); return Flag::ERR_OTHER; }; |
| virtual Flag::Error apply_int(int* value, bool verbose = true) { ShouldNotReachHere(); return Flag::ERR_OTHER; }; |
| virtual Flag::Error apply_intx(intx* value, bool verbose = true) { ShouldNotReachHere(); return Flag::ERR_OTHER; }; |
| virtual Flag::Error apply_uint(uint* value, bool verbose = true) { ShouldNotReachHere(); return Flag::ERR_OTHER; }; |
| virtual Flag::Error apply_uintx(uintx* value, bool verbose = true) { ShouldNotReachHere(); return Flag::ERR_OTHER; }; |
| virtual Flag::Error apply_uint64_t(uint64_t* value, bool verbose = true) { ShouldNotReachHere(); return Flag::ERR_OTHER; }; |
| virtual Flag::Error apply_size_t(size_t* value, bool verbose = true) { ShouldNotReachHere(); return Flag::ERR_OTHER; }; |
| virtual Flag::Error apply_double(double* value, bool verbose = true) { ShouldNotReachHere(); return Flag::ERR_OTHER; }; |
| }; |
| |
| class CommandLineFlagConstraintList : public AllStatic { |
| private: |
| static GrowableArray<CommandLineFlagConstraint*>* _constraints; |
| public: |
| static void init(); |
| static int length() { return (_constraints != NULL) ? _constraints->length() : 0; } |
| static CommandLineFlagConstraint* at(int i) { return (_constraints != NULL) ? _constraints->at(i) : NULL; } |
| static CommandLineFlagConstraint* find(const char* name); |
| static void add(CommandLineFlagConstraint* constraint) { _constraints->append(constraint); } |
| }; |
| |
| #endif /* SHARE_VM_RUNTIME_COMMANDLINEFLAGCONSTRAINTLIST_HPP */ |