ciSymbol.hpp revision 1472
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0N/A
0N/A// ciSymbol
0N/A//
0N/A// This class represents a symbolOop in the HotSpot virtual
0N/A// machine.
0N/Aclass ciSymbol : public ciObject {
0N/A CI_PACKAGE_ACCESS
1138N/A // These friends all make direct use of get_symbolOop:
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;
1427N/A DEBUG_ONLY( bool sid_ok() { return vmSymbols::find_sid(get_symbolOop()) == _sid; } )
1427N/A
1427N/A ciSymbol(symbolOop s); // normal case, for symbols not mentioned in vmSymbols
1427N/A ciSymbol(symbolHandle s, vmSymbols::SID sid); // for use with vmSymbolHandles
0N/A
1138N/A symbolOop get_symbolOop() const { return (symbolOop)get_oop(); }
0N/A
0N/A const char* type_string() { return "ciSymbol"; }
0N/A
0N/A void print_impl(outputStream* st);
0N/A
1138N/A // This is public in symbolOop but private here, because the base can move:
0N/A 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
0N/Apublic:
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 // What kind of ciObject is this?
0N/A bool is_symbol() { return true; }
0N/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
0N/A};