0N/A/*
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0N/A * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
0N/A * version 2 for more details (a copy is included in the LICENSE file that
0N/A * accompanied this code).
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0N/A * 2 along with this work; if not, write to the Free Software Foundation,
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1472N/A * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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0N/A
1879N/A#ifndef SHARE_VM_CI_CISYMBOL_HPP
1879N/A#define SHARE_VM_CI_CISYMBOL_HPP
1879N/A
1879N/A#include "ci/ciObject.hpp"
1879N/A#include "ci/ciObjectFactory.hpp"
1879N/A#include "classfile/vmSymbols.hpp"
2062N/A#include "oops/symbol.hpp"
1879N/A
0N/A// ciSymbol
0N/A//
2062N/A// This class represents a Symbol* in the HotSpot virtual
0N/A// machine.
2062N/Aclass ciSymbol : public ResourceObj {
2062N/A Symbol* _symbol;
2062N/A uint _ident;
2062N/A
0N/A CI_PACKAGE_ACCESS
2062N/A // These friends all make direct use of get_symbol:
0N/A friend class ciEnv;
0N/A friend class ciInstanceKlass;
0N/A friend class ciSignature;
0N/A friend class ciMethod;
0N/A friend class ciObjArrayKlass;
0N/A
0N/Aprivate:
1427N/A const vmSymbols::SID _sid;
2062N/A DEBUG_ONLY( bool sid_ok() { return vmSymbols::find_sid(get_symbol()) == _sid; } )
1427N/A
2062N/A ciSymbol(Symbol* s); // normal case, for symbols not mentioned in vmSymbols
2062N/A ciSymbol(Symbol* s, vmSymbols::SID sid); // for use with vmSymbols
0N/A
2062N/A Symbol* get_symbol() const { return _symbol; }
0N/A
0N/A const char* type_string() { return "ciSymbol"; }
0N/A
0N/A void print_impl(outputStream* st);
0N/A
2062N/A // This is public in Symbol* but private here, because the base can move:
2062N/A const jbyte* base();
0N/A
0N/A // Make a ciSymbol from a C string (implementation).
0N/A static ciSymbol* make_impl(const char* s);
0N/A
2062N/A void set_ident(uint id) { _ident = id; }
0N/Apublic:
2062N/A // A number unique to this object.
2062N/A uint ident() { return _ident; }
2062N/A
1427N/A // The enumeration ID from vmSymbols, or vmSymbols::NO_SID if none.
1427N/A vmSymbols::SID sid() const { return _sid; }
1427N/A
0N/A // The text of the symbol as a null-terminated utf8 string.
0N/A const char* as_utf8();
0N/A int utf8_length();
0N/A
1138N/A // Return the i-th utf8 byte, where i < utf8_length
1138N/A int byte_at(int i);
1138N/A
1138N/A // Tests if the symbol starts with the given prefix.
1138N/A bool starts_with(const char* prefix, int len) const;
1138N/A
1138N/A // Determines where the symbol contains the given substring.
1138N/A int index_of_at(int i, const char* str, int len) const;
1138N/A
0N/A void print_symbol_on(outputStream* st);
0N/A void print_symbol() {
0N/A print_symbol_on(tty);
0N/A }
0N/A
0N/A // Make a ciSymbol from a C string.
0N/A // Consider adding to vmSymbols.hpp instead of using this constructor.
0N/A // (Your code will be less subject to typographical bugs.)
0N/A static ciSymbol* make(const char* s);
0N/A
0N/A#define CI_SYMBOL_DECLARE(name, ignore_def) \
0N/A static ciSymbol* name() { return ciObjectFactory::vm_symbol_at(vmSymbols::VM_SYMBOL_ENUM_NAME(name)); }
0N/A VM_SYMBOLS_DO(CI_SYMBOL_DECLARE, CI_SYMBOL_DECLARE)
0N/A#undef CI_SYMBOL_DECLARE
2062N/A
2062N/A void print() {
2062N/A _symbol->print();
2062N/A }
2062N/A
2062N/A // Are two ciSymbols equal?
2062N/A bool equals(ciSymbol* obj) { return this->_symbol == obj->get_symbol(); }
3932N/A
3932N/A bool is_signature_polymorphic_name() const;
0N/A};
1879N/A
1879N/A#endif // SHARE_VM_CI_CISYMBOL_HPP