< prev index next >

src/hotspot/share/ci/ciSymbol.hpp

Print this page

 28 #include "ci/ciBaseObject.hpp"
 29 #include "ci/ciObject.hpp"
 30 #include "oops/symbol.hpp"
 31 #include "utilities/vmEnums.hpp"
 32 
 33 // ciSymbol
 34 //
 35 // This class represents a Symbol* in the HotSpot virtual
 36 // machine.
 37 class ciSymbol : public ciBaseObject {
 38   Symbol* _symbol;
 39 
 40   CI_PACKAGE_ACCESS
 41   // These friends all make direct use of get_symbol:
 42   friend class ciEnv;
 43   friend class ciInstanceKlass;
 44   friend class ciSignature;
 45   friend class ciMethod;
 46   friend class ciField;
 47   friend class ciObjArrayKlass;

 48 
 49 private:
 50   const vmSymbolID _sid;
 51 
 52   ciSymbol(Symbol* s, vmSymbolID sid);
 53 
 54   DEBUG_ONLY(bool sid_ok();)
 55 
 56   const char* type_string() { return "ciSymbol"; }
 57 
 58   void print_impl(outputStream* st);
 59 
 60   // This is public in Symbol* but private here, because the base can move:
 61   const u1* base();
 62 
 63   // Make a ciSymbol from a C string (implementation).
 64   static ciSymbol* make_impl(const char* s);
 65 
 66 public:
 67   // The enumeration ID from vmSymbols, or vmSymbolID::NO_SID if none.
 68   vmSymbolID sid() const { return _sid; }
 69 
 70   // The text of the symbol as a null-terminated utf8 string.
 71   const char* as_utf8();
 72   int         utf8_length();
 73 
 74   // The text of the symbol as ascii with all non-printable characters quoted as \u####
 75   const char* as_quoted_ascii();
 76 
 77   // Return the i-th utf byte as a char, where i < utf8_length
 78   char        char_at(int i);
 79 
 80   // Tests if the symbol starts with the given prefix.
 81   bool starts_with(const char* prefix, int len) const;





 82 
 83   // Determines where the symbol contains the given substring.
 84   int index_of_at(int i, const char* str, int len) const;
 85 
 86   void print_symbol_on(outputStream* st);
 87   void print_symbol() {
 88     print_symbol_on(tty);
 89   }
 90   const char* as_klass_external_name() const;
 91 
 92   // Make a ciSymbol from a C string.
 93   // Consider adding to vmSymbols.hpp instead of using this constructor.
 94   // (Your code will be less subject to typographical bugs.)
 95   static ciSymbol* make(const char* s);
 96 
 97   void print() {
 98     _symbol->print();
 99   }
100 
101   virtual bool is_symbol() const       { return true; }

 28 #include "ci/ciBaseObject.hpp"
 29 #include "ci/ciObject.hpp"
 30 #include "oops/symbol.hpp"
 31 #include "utilities/vmEnums.hpp"
 32 
 33 // ciSymbol
 34 //
 35 // This class represents a Symbol* in the HotSpot virtual
 36 // machine.
 37 class ciSymbol : public ciBaseObject {
 38   Symbol* _symbol;
 39 
 40   CI_PACKAGE_ACCESS
 41   // These friends all make direct use of get_symbol:
 42   friend class ciEnv;
 43   friend class ciInstanceKlass;
 44   friend class ciSignature;
 45   friend class ciMethod;
 46   friend class ciField;
 47   friend class ciObjArrayKlass;
 48   friend class ciFlatArrayKlass;
 49 
 50 private:
 51   const vmSymbolID _sid;
 52 
 53   ciSymbol(Symbol* s, vmSymbolID sid);
 54 
 55   DEBUG_ONLY(bool sid_ok();)
 56 
 57   const char* type_string() { return "ciSymbol"; }
 58 
 59   void print_impl(outputStream* st);
 60 
 61   // This is public in Symbol* but private here, because the base can move:
 62   const u1* base();
 63 
 64   // Make a ciSymbol from a C string (implementation).
 65   static ciSymbol* make_impl(const char* s);
 66 
 67 public:
 68   // The enumeration ID from vmSymbols, or vmSymbolID::NO_SID if none.
 69   vmSymbolID sid() const { return _sid; }
 70 
 71   // The text of the symbol as a null-terminated utf8 string.
 72   const char* as_utf8();
 73   int         utf8_length();
 74 
 75   // The text of the symbol as ascii with all non-printable characters quoted as \u####
 76   const char* as_quoted_ascii();
 77 
 78   // Return the i-th utf byte as a char, where i < utf8_length
 79   char        char_at(int i);
 80 
 81   // Tests if the symbol starts with the given prefix.
 82   bool starts_with(const char* prefix, int len) const;
 83   bool starts_with(char prefix_char) const;
 84 
 85   // Tests if the symbol ends with the given suffix.
 86   bool ends_with(const char* suffix, int len) const;
 87   bool ends_with(char suffix_char) const;
 88 
 89   // Determines where the symbol contains the given substring.
 90   int index_of_at(int i, const char* str, int len) const;
 91 
 92   void print_symbol_on(outputStream* st);
 93   void print_symbol() {
 94     print_symbol_on(tty);
 95   }
 96   const char* as_klass_external_name() const;
 97 
 98   // Make a ciSymbol from a C string.
 99   // Consider adding to vmSymbols.hpp instead of using this constructor.
100   // (Your code will be less subject to typographical bugs.)
101   static ciSymbol* make(const char* s);
102 
103   void print() {
104     _symbol->print();
105   }
106 
107   virtual bool is_symbol() const       { return true; }
< prev index next >