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 "runtime/methodDetails.hpp"
 31 #include "memory/resourceArea.hpp"
 32 
 33 class MethodMatcher : public CHeapObj<mtCompiler> {
 34  public:
 35   enum Mode {
 36     Exact,
 37     Prefix = 1,
 38     Suffix = 2,
 39     Substring = Prefix | Suffix,
 40     Any,
 41     Unknown = -1
 42   };
 43 
 44  protected:
 45   Symbol*        _class_name;
 46   Symbol*        _method_name;
 47   Symbol*        _signature;
 48   Mode           _class_mode;
 49   Mode           _method_mode;
 50 
 51  public:
 52   Symbol* class_name() const { return _class_name; }
 53   Mode class_mode() const { return _class_mode; }
 54   Symbol* method_name() const { return _method_name; }
 55   Mode method_mode() const { return _method_mode; }
 56   Symbol* signature() const { return _signature; }
 57 
 58   MethodMatcher();
 59   ~MethodMatcher();
 60 
 61   void init(Symbol* class_name, Mode class_mode, Symbol* method_name, Mode method_mode, Symbol* signature);
 62   static void parse_method_pattern(char*& line, const char*& error_msg, MethodMatcher* m);
 63   static void print_symbol(outputStream* st, Symbol* h, Mode mode);
 64   bool matches(const methodHandle& method) const;
 65   bool matches(MethodDetails& method_details) const;
 66   void print_base(outputStream* st);
 67 
 68  private:
 69   static bool canonicalize(char * line, const char *& error_msg);
 70   bool match(Symbol* candidate, Symbol* match, Mode match_mode) const;
 71 };
 72 
 73 class BasicMatcher : public MethodMatcher {
 74 private:
 75   BasicMatcher* _next;
 76 public:
 77 
 78   BasicMatcher() : MethodMatcher(),
 79     _next(nullptr) {
 80   }
 81 
 82   BasicMatcher(BasicMatcher* next) :
 83     _next(next) {
 84   }
 85 
 86   static BasicMatcher* parse_method_pattern(char* line, const char*& error_msg, bool expect_trailing_chars);
 87   bool match(const methodHandle& method);
 88   bool match(MethodDetails& method_details);
 89   void set_next(BasicMatcher* next) { _next = next; }
 90   BasicMatcher* next() { return _next; }
 91 
 92   void print(outputStream* st) { print_base(st); }
 93   void print_all(outputStream* st) {
 94     print_base(st);
 95     if (_next != nullptr) {
 96       _next->print_all(st);
 97     }
 98   }
 99 };
100 
101 class InlineMatcher : public MethodMatcher {
102 public:
103   enum InlineType {
104       unknown_inline,
105       dont_inline,
106       force_inline
107     };
108 
109 private:
110   InlineType _inline_action;
111   InlineMatcher * _next;
112 
113   InlineMatcher() : MethodMatcher(),
114     _inline_action(unknown_inline), _next(nullptr) {
115   }
116 
117 public:
118   static InlineMatcher* parse_method_pattern(char* line, const char*& error_msg);
119   bool match(const methodHandle& method, int inline_action);
120   void print(outputStream* st);
121   void set_next(InlineMatcher* next) { _next = next; }
122   InlineMatcher* next() { return _next; }
123   void set_action(InlineType inline_action) { _inline_action = inline_action; }
124   int inline_action() { return _inline_action; }
125   static InlineMatcher* parse_inline_pattern(char* line, const char*& error_msg);
126   InlineMatcher* clone();
127 };
128 
129 #endif // SHARE_COMPILER_METHODMATCHER_HPP