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; }
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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; }
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