Mercurial > jdk8-mips64-public > hotspot / annotate
src/share/vm/ci/ciSymbol.hpp@f95d63e2154a (annotated)
src/share/vm/ci/ciSymbol.hpp
Tue, 23 Nov 2010 13:22:55 -0800
- author
- stefank
- date
- Tue, 23 Nov 2010 13:22:55 -0800
- changeset 2314
- f95d63e2154a
- parent 1907
- c18cbe5936b8
- child 2497
- 3582bf76420e
- permissions
- -rw-r--r--
6989984: Use standard include model for Hospot
Summary: Replaced MakeDeps and the includeDB files with more standardized solutions.
Reviewed-by: coleenp, kvn, kamg
| duke@435 | 1 | /* |
| stefank@2314 | 2 | * Copyright (c) 1999, 2010, Oracle and/or its affiliates. All rights reserved. |
| duke@435 | 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| duke@435 | 4 | * |
| duke@435 | 5 | * This code is free software; you can redistribute it and/or modify it |
| duke@435 | 6 | * under the terms of the GNU General Public License version 2 only, as |
| duke@435 | 7 | * published by the Free Software Foundation. |
| duke@435 | 8 | * |
| duke@435 | 9 | * This code is distributed in the hope that it will be useful, but WITHOUT |
| duke@435 | 10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| duke@435 | 11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| duke@435 | 12 | * version 2 for more details (a copy is included in the LICENSE file that |
| duke@435 | 13 | * accompanied this code). |
| duke@435 | 14 | * |
| duke@435 | 15 | * You should have received a copy of the GNU General Public License version |
| duke@435 | 16 | * 2 along with this work; if not, write to the Free Software Foundation, |
| duke@435 | 17 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| duke@435 | 18 | * |
| trims@1907 | 19 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| trims@1907 | 20 | * or visit www.oracle.com if you need additional information or have any |
| trims@1907 | 21 | * questions. |
| duke@435 | 22 | * |
| duke@435 | 23 | */ |
| duke@435 | 24 | |
| stefank@2314 | 25 | #ifndef SHARE_VM_CI_CISYMBOL_HPP |
| stefank@2314 | 26 | #define SHARE_VM_CI_CISYMBOL_HPP |
| stefank@2314 | 27 | |
| stefank@2314 | 28 | #include "ci/ciObject.hpp" |
| stefank@2314 | 29 | #include "ci/ciObjectFactory.hpp" |
| stefank@2314 | 30 | #include "classfile/vmSymbols.hpp" |
| stefank@2314 | 31 | #include "oops/symbolOop.hpp" |
| stefank@2314 | 32 | |
| duke@435 | 33 | // ciSymbol |
| duke@435 | 34 | // |
| duke@435 | 35 | // This class represents a symbolOop in the HotSpot virtual |
| duke@435 | 36 | // machine. |
| duke@435 | 37 | class ciSymbol : public ciObject { |
| duke@435 | 38 | CI_PACKAGE_ACCESS |
| twisti@1573 | 39 | // These friends all make direct use of get_symbolOop: |
| duke@435 | 40 | friend class ciEnv; |
| duke@435 | 41 | friend class ciInstanceKlass; |
| duke@435 | 42 | friend class ciSignature; |
| duke@435 | 43 | friend class ciMethod; |
| duke@435 | 44 | friend class ciObjArrayKlass; |
| duke@435 | 45 | |
| duke@435 | 46 | private: |
| jrose@1862 | 47 | const vmSymbols::SID _sid; |
| jrose@1862 | 48 | DEBUG_ONLY( bool sid_ok() { return vmSymbols::find_sid(get_symbolOop()) == _sid; } ) |
| jrose@1862 | 49 | |
| jrose@1862 | 50 | ciSymbol(symbolOop s); // normal case, for symbols not mentioned in vmSymbols |
| jrose@1862 | 51 | ciSymbol(symbolHandle s, vmSymbols::SID sid); // for use with vmSymbolHandles |
| duke@435 | 52 | |
| twisti@1573 | 53 | symbolOop get_symbolOop() const { return (symbolOop)get_oop(); } |
| duke@435 | 54 | |
| duke@435 | 55 | const char* type_string() { return "ciSymbol"; } |
| duke@435 | 56 | |
| duke@435 | 57 | void print_impl(outputStream* st); |
| duke@435 | 58 | |
| twisti@1573 | 59 | // This is public in symbolOop but private here, because the base can move: |
| duke@435 | 60 | jbyte* base(); |
| duke@435 | 61 | |
| duke@435 | 62 | // Make a ciSymbol from a C string (implementation). |
| duke@435 | 63 | static ciSymbol* make_impl(const char* s); |
| duke@435 | 64 | |
| duke@435 | 65 | public: |
| jrose@1862 | 66 | // The enumeration ID from vmSymbols, or vmSymbols::NO_SID if none. |
| jrose@1862 | 67 | vmSymbols::SID sid() const { return _sid; } |
| jrose@1862 | 68 | |
| duke@435 | 69 | // The text of the symbol as a null-terminated utf8 string. |
| duke@435 | 70 | const char* as_utf8(); |
| duke@435 | 71 | int utf8_length(); |
| duke@435 | 72 | |
| twisti@1573 | 73 | // Return the i-th utf8 byte, where i < utf8_length |
| twisti@1573 | 74 | int byte_at(int i); |
| twisti@1573 | 75 | |
| twisti@1573 | 76 | // Tests if the symbol starts with the given prefix. |
| twisti@1573 | 77 | bool starts_with(const char* prefix, int len) const; |
| twisti@1573 | 78 | |
| twisti@1573 | 79 | // Determines where the symbol contains the given substring. |
| twisti@1573 | 80 | int index_of_at(int i, const char* str, int len) const; |
| twisti@1573 | 81 | |
| duke@435 | 82 | // What kind of ciObject is this? |
| duke@435 | 83 | bool is_symbol() { return true; } |
| duke@435 | 84 | |
| duke@435 | 85 | void print_symbol_on(outputStream* st); |
| duke@435 | 86 | void print_symbol() { |
| duke@435 | 87 | print_symbol_on(tty); |
| duke@435 | 88 | } |
| duke@435 | 89 | |
| duke@435 | 90 | // Make a ciSymbol from a C string. |
| duke@435 | 91 | // Consider adding to vmSymbols.hpp instead of using this constructor. |
| duke@435 | 92 | // (Your code will be less subject to typographical bugs.) |
| duke@435 | 93 | static ciSymbol* make(const char* s); |
| duke@435 | 94 | |
| duke@435 | 95 | #define CI_SYMBOL_DECLARE(name, ignore_def) \ |
| duke@435 | 96 | static ciSymbol* name() { return ciObjectFactory::vm_symbol_at(vmSymbols::VM_SYMBOL_ENUM_NAME(name)); } |
| duke@435 | 97 | VM_SYMBOLS_DO(CI_SYMBOL_DECLARE, CI_SYMBOL_DECLARE) |
| duke@435 | 98 | #undef CI_SYMBOL_DECLARE |
| duke@435 | 99 | }; |
| stefank@2314 | 100 | |
| stefank@2314 | 101 | #endif // SHARE_VM_CI_CISYMBOL_HPP |
