1 /*
  2  * Copyright (c) 2015, 2023, 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  *
 23  */
 24 
 25 #ifndef SHARE_COMPILER_METHODMATCHER_HPP
 26 #define SHARE_COMPILER_METHODMATCHER_HPP
 27 
 28 #include "memory/allocation.hpp"
 29 #include "runtime/handles.hpp"
 30 #include "memory/resourceArea.hpp"
 31 
 32 class MethodMatcher : public CHeapObj<mtCompiler> {
 33  public:
 34   enum Mode {
 35     Exact,
 36     Prefix = 1,
 37     Suffix = 2,
 38     Substring = Prefix | Suffix,
 39     Any,
 40     Unknown = -1
 41   };
 42 
 43  protected:
 44   Symbol*        _class_name;
 45   Symbol*        _method_name;
 46   Symbol*        _signature;
 47   Mode           _class_mode;
 48   Mode           _method_mode;
 49 
 50  public:
 51   Symbol* class_name() const { return _class_name; }
 52   Mode class_mode() const { return _class_mode; }
 53   Symbol* method_name() const { return _method_name; }
 54   Mode method_mode() const { return _method_mode; }
 55   Symbol* signature() const { return _signature; }
 56 
 57   MethodMatcher();
 58   ~MethodMatcher();
 59 
 60   void init(Symbol* class_name, Mode class_mode, Symbol* method_name, Mode method_mode, Symbol* signature);
 61   static void parse_method_pattern(char*& line, const char*& error_msg, MethodMatcher* m);
 62   static void print_symbol(outputStream* st, Symbol* h, Mode mode);
 63   bool matches(const methodHandle& method) const;
 64   void print_base(outputStream* st);
 65 
 66  private:
 67   static bool canonicalize(char * line, const char *& error_msg);
 68   bool match(Symbol* candidate, Symbol* match, Mode match_mode) const;
 69 };
 70 
 71 class BasicMatcher : public MethodMatcher {
 72 private:
 73   BasicMatcher* _next;
 74 public:
 75 
 76   BasicMatcher() : MethodMatcher(),
 77     _next(nullptr) {
 78   }
 79 
 80   BasicMatcher(BasicMatcher* next) :
 81     _next(next) {
 82   }
 83 
 84   static BasicMatcher* parse_method_pattern(char* line, const char*& error_msg, bool expect_trailing_chars);
 85   bool match(const methodHandle& method);
 86   void set_next(BasicMatcher* next) { _next = next; }
 87   BasicMatcher* next() { return _next; }
 88 
 89   void print(outputStream* st) { print_base(st); }
 90   void print_all(outputStream* st) {
 91     print_base(st);
 92     if (_next != nullptr) {
 93       _next->print_all(st);
 94     }
 95   }
 96 };
 97 
 98 class InlineMatcher : public MethodMatcher {
 99 public:
100   enum InlineType {
101       unknown_inline,
102       dont_inline,
103       force_inline
104     };
105 
106 private:
107   InlineType _inline_action;
108   InlineMatcher * _next;
109 
110   InlineMatcher() : MethodMatcher(),
111     _inline_action(unknown_inline), _next(nullptr) {
112   }
113 
114 public:
115   static InlineMatcher* parse_method_pattern(char* line, const char*& error_msg);
116   bool match(const methodHandle& method, int inline_action);
117   void print(outputStream* st);
118   void set_next(InlineMatcher* next) { _next = next; }
119   InlineMatcher* next() { return _next; }
120   void set_action(InlineType inline_action) { _inline_action = inline_action; }
121   int inline_action() { return _inline_action; }
122   static InlineMatcher* parse_inline_pattern(char* line, const char*& error_msg);
123   InlineMatcher* clone();
124 };
125 
126 #endif // SHARE_COMPILER_METHODMATCHER_HPP