truffle: src/share/vm/ci/ciSymbol.hpp annotate

annotate src/share/vm/ci/ciSymbol.hpp @ 1972:f95d63e2154a

6989984: Use standard include model for Hospot Summary: Replaced MakeDeps and the includeDB files with more standardized solutions. Reviewed-by: coleenp, kvn, kamg

author	stefank
date	Tue, 23 Nov 2010 13:22:55 -0800
parents	c18cbe5936b8
children	06f017f7daa7 3582bf76420e

rev	line source
0 a61af66fc99e Initial load duke parents: diff changeset	1 /*
1972 f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1552 diff changeset	2 * Copyright (c) 1999, 2010, Oracle and/or its affiliates. All rights reserved.
0 a61af66fc99e Initial load duke parents: diff changeset	3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
a61af66fc99e Initial load duke parents: diff changeset	4 *
a61af66fc99e Initial load duke parents: diff changeset	5 * This code is free software; you can redistribute it and/or modify it
a61af66fc99e Initial load duke parents: diff changeset	6 * under the terms of the GNU General Public License version 2 only, as
a61af66fc99e Initial load duke parents: diff changeset	7 * published by the Free Software Foundation.
a61af66fc99e Initial load duke parents: diff changeset	8 *
a61af66fc99e Initial load duke parents: diff changeset	9 * This code is distributed in the hope that it will be useful, but WITHOUT
a61af66fc99e Initial load duke parents: diff changeset	10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
a61af66fc99e Initial load duke parents: diff changeset	11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
a61af66fc99e Initial load duke parents: diff changeset	12 * version 2 for more details (a copy is included in the LICENSE file that
a61af66fc99e Initial load duke parents: diff changeset	13 * accompanied this code).
a61af66fc99e Initial load duke parents: diff changeset	14 *
a61af66fc99e Initial load duke parents: diff changeset	15 * You should have received a copy of the GNU General Public License version
a61af66fc99e Initial load duke parents: diff changeset	16 * 2 along with this work; if not, write to the Free Software Foundation,
a61af66fc99e Initial load duke parents: diff changeset	17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
a61af66fc99e Initial load duke parents: diff changeset	18 *
1552 c18cbe5936b8 6941466: Oracle rebranding changes for Hotspot repositories trims parents: 1507 diff changeset	19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
c18cbe5936b8 6941466: Oracle rebranding changes for Hotspot repositories trims parents: 1507 diff changeset	20 * or visit www.oracle.com if you need additional information or have any
c18cbe5936b8 6941466: Oracle rebranding changes for Hotspot repositories trims parents: 1507 diff changeset	21 * questions.
0 a61af66fc99e Initial load duke parents: diff changeset	22 *
a61af66fc99e Initial load duke parents: diff changeset	23 */
a61af66fc99e Initial load duke parents: diff changeset	24
1972 f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1552 diff changeset	25 #ifndef SHARE_VM_CI_CISYMBOL_HPP
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1552 diff changeset	26 #define SHARE_VM_CI_CISYMBOL_HPP
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1552 diff changeset	27
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1552 diff changeset	28 #include "ci/ciObject.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1552 diff changeset	29 #include "ci/ciObjectFactory.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1552 diff changeset	30 #include "classfile/vmSymbols.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1552 diff changeset	31 #include "oops/symbolOop.hpp"
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1552 diff changeset	32
0 a61af66fc99e Initial load duke parents: diff changeset	33 // ciSymbol
a61af66fc99e Initial load duke parents: diff changeset	34 //
a61af66fc99e Initial load duke parents: diff changeset	35 // This class represents a symbolOop in the HotSpot virtual
a61af66fc99e Initial load duke parents: diff changeset	36 // machine.
a61af66fc99e Initial load duke parents: diff changeset	37 class ciSymbol : public ciObject {
a61af66fc99e Initial load duke parents: diff changeset	38 CI_PACKAGE_ACCESS
1138 dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 0 diff changeset	39 // These friends all make direct use of get_symbolOop:
0 a61af66fc99e Initial load duke parents: diff changeset	40 friend class ciEnv;
a61af66fc99e Initial load duke parents: diff changeset	41 friend class ciInstanceKlass;
a61af66fc99e Initial load duke parents: diff changeset	42 friend class ciSignature;
a61af66fc99e Initial load duke parents: diff changeset	43 friend class ciMethod;
a61af66fc99e Initial load duke parents: diff changeset	44 friend class ciObjArrayKlass;
a61af66fc99e Initial load duke parents: diff changeset	45
a61af66fc99e Initial load duke parents: diff changeset	46 private:
1507 cd5dbf694d45 6939134: JSR 292 adjustments to method handle invocation jrose parents: 1138 diff changeset	47 const vmSymbols::SID _sid;
cd5dbf694d45 6939134: JSR 292 adjustments to method handle invocation jrose parents: 1138 diff changeset	48 DEBUG_ONLY( bool sid_ok() { return vmSymbols::find_sid(get_symbolOop()) == _sid; } )
cd5dbf694d45 6939134: JSR 292 adjustments to method handle invocation jrose parents: 1138 diff changeset	49
cd5dbf694d45 6939134: JSR 292 adjustments to method handle invocation jrose parents: 1138 diff changeset	50 ciSymbol(symbolOop s); // normal case, for symbols not mentioned in vmSymbols
cd5dbf694d45 6939134: JSR 292 adjustments to method handle invocation jrose parents: 1138 diff changeset	51 ciSymbol(symbolHandle s, vmSymbols::SID sid); // for use with vmSymbolHandles
0 a61af66fc99e Initial load duke parents: diff changeset	52
1138 dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 0 diff changeset	53 symbolOop get_symbolOop() const { return (symbolOop)get_oop(); }
0 a61af66fc99e Initial load duke parents: diff changeset	54
a61af66fc99e Initial load duke parents: diff changeset	55 const char* type_string() { return "ciSymbol"; }
a61af66fc99e Initial load duke parents: diff changeset	56
a61af66fc99e Initial load duke parents: diff changeset	57 void print_impl(outputStream* st);
a61af66fc99e Initial load duke parents: diff changeset	58
1138 dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 0 diff changeset	59 // This is public in symbolOop but private here, because the base can move:
0 a61af66fc99e Initial load duke parents: diff changeset	60 jbyte* base();
a61af66fc99e Initial load duke parents: diff changeset	61
a61af66fc99e Initial load duke parents: diff changeset	62 // Make a ciSymbol from a C string (implementation).
a61af66fc99e Initial load duke parents: diff changeset	63 static ciSymbol* make_impl(const char* s);
a61af66fc99e Initial load duke parents: diff changeset	64
a61af66fc99e Initial load duke parents: diff changeset	65 public:
1507 cd5dbf694d45 6939134: JSR 292 adjustments to method handle invocation jrose parents: 1138 diff changeset	66 // The enumeration ID from vmSymbols, or vmSymbols::NO_SID if none.
cd5dbf694d45 6939134: JSR 292 adjustments to method handle invocation jrose parents: 1138 diff changeset	67 vmSymbols::SID sid() const { return _sid; }
cd5dbf694d45 6939134: JSR 292 adjustments to method handle invocation jrose parents: 1138 diff changeset	68
0 a61af66fc99e Initial load duke parents: diff changeset	69 // The text of the symbol as a null-terminated utf8 string.
a61af66fc99e Initial load duke parents: diff changeset	70 const char* as_utf8();
a61af66fc99e Initial load duke parents: diff changeset	71 int utf8_length();
a61af66fc99e Initial load duke parents: diff changeset	72
1138 dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 0 diff changeset	73 // Return the i-th utf8 byte, where i < utf8_length
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 0 diff changeset	74 int byte_at(int i);
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 0 diff changeset	75
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 0 diff changeset	76 // Tests if the symbol starts with the given prefix.
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 0 diff changeset	77 bool starts_with(const char* prefix, int len) const;
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 0 diff changeset	78
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 0 diff changeset	79 // Determines where the symbol contains the given substring.
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 0 diff changeset	80 int index_of_at(int i, const char* str, int len) const;
dd57230ba8fe 6893268: additional dynamic language related optimizations in C2 twisti parents: 0 diff changeset	81
0 a61af66fc99e Initial load duke parents: diff changeset	82 // What kind of ciObject is this?
a61af66fc99e Initial load duke parents: diff changeset	83 bool is_symbol() { return true; }
a61af66fc99e Initial load duke parents: diff changeset	84
a61af66fc99e Initial load duke parents: diff changeset	85 void print_symbol_on(outputStream* st);
a61af66fc99e Initial load duke parents: diff changeset	86 void print_symbol() {
a61af66fc99e Initial load duke parents: diff changeset	87 print_symbol_on(tty);
a61af66fc99e Initial load duke parents: diff changeset	88 }
a61af66fc99e Initial load duke parents: diff changeset	89
a61af66fc99e Initial load duke parents: diff changeset	90 // Make a ciSymbol from a C string.
a61af66fc99e Initial load duke parents: diff changeset	91 // Consider adding to vmSymbols.hpp instead of using this constructor.
a61af66fc99e Initial load duke parents: diff changeset	92 // (Your code will be less subject to typographical bugs.)
a61af66fc99e Initial load duke parents: diff changeset	93 static ciSymbol* make(const char* s);
a61af66fc99e Initial load duke parents: diff changeset	94
a61af66fc99e Initial load duke parents: diff changeset	95 #define CI_SYMBOL_DECLARE(name, ignore_def) \
a61af66fc99e Initial load duke parents: diff changeset	96 static ciSymbol* name() { return ciObjectFactory::vm_symbol_at(vmSymbols::VM_SYMBOL_ENUM_NAME(name)); }
a61af66fc99e Initial load duke parents: diff changeset	97 VM_SYMBOLS_DO(CI_SYMBOL_DECLARE, CI_SYMBOL_DECLARE)
a61af66fc99e Initial load duke parents: diff changeset	98 #undef CI_SYMBOL_DECLARE
a61af66fc99e Initial load duke parents: diff changeset	99 };
1972 f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1552 diff changeset	100
f95d63e2154a 6989984: Use standard include model for Hospot stefank parents: 1552 diff changeset	101 #endif // SHARE_VM_CI_CISYMBOL_HPP

Mercurial > hg > truffle

annotate src/share/vm/ci/ciSymbol.hpp @ 1972:f95d63e2154a