91 // element klass by name.
92 _element_klass = CURRENT_THREAD_ENV->get_klass_by_name_impl(
93 this,
94 constantPoolHandle(),
95 construct_array_name(base_element_klass()->name(),
96 dimension() - 1),
97 false);
98 }
99 }
100 return _element_klass;
101 }
102
103 // ------------------------------------------------------------------
104 // ciObjArrayKlass::construct_array_name
105 //
106 // Build an array name from an element name and a dimension.
107 ciSymbol* ciObjArrayKlass::construct_array_name(ciSymbol* element_name,
108 int dimension) {
109 EXCEPTION_CONTEXT;
110 int element_len = element_name->utf8_length();
111
112 Symbol* base_name_sym = element_name->get_symbol();
113 char* name;
114
115 if (base_name_sym->char_at(0) == JVM_SIGNATURE_ARRAY ||
116 (base_name_sym->char_at(0) == JVM_SIGNATURE_CLASS && // watch package name 'Lxx'
117 base_name_sym->char_at(element_len-1) == JVM_SIGNATURE_ENDCLASS)) {
118
119 int new_len = element_len + dimension + 1; // for the ['s and '\0'
120 name = CURRENT_THREAD_ENV->name_buffer(new_len);
121
122 int pos = 0;
123 for ( ; pos < dimension; pos++) {
124 name[pos] = JVM_SIGNATURE_ARRAY;
125 }
126 strncpy(name+pos, (char*)element_name->base(), element_len);
127 name[new_len-1] = '\0';
128 } else {
129 int new_len = 3 // for L, ;, and '\0'
130 + dimension // for ['s
131 + element_len;
132
133 name = CURRENT_THREAD_ENV->name_buffer(new_len);
134 int pos = 0;
135 for ( ; pos < dimension; pos++) {
136 name[pos] = JVM_SIGNATURE_ARRAY;
137 }
138 name[pos++] = JVM_SIGNATURE_CLASS;
139 strncpy(name+pos, (char*)element_name->base(), element_len);
140 name[new_len-2] = JVM_SIGNATURE_ENDCLASS;
141 name[new_len-1] = '\0';
142 }
143 return ciSymbol::make(name);
144 }
145
146 // ------------------------------------------------------------------
147 // ciObjArrayKlass::make_impl
148 //
149 // Implementation of make.
150 ciObjArrayKlass* ciObjArrayKlass::make_impl(ciKlass* element_klass) {
151
152 if (element_klass->is_loaded()) {
153 EXCEPTION_CONTEXT;
154 // The element klass is loaded
155 Klass* array = element_klass->get_Klass()->array_klass(THREAD);
156 if (HAS_PENDING_EXCEPTION) {
157 CLEAR_PENDING_EXCEPTION;
158 CURRENT_THREAD_ENV->record_out_of_memory_failure();
159 return ciEnv::unloaded_ciobjarrayklass();
160 }
161 return CURRENT_THREAD_ENV->get_obj_array_klass(array);
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91 // element klass by name.
92 _element_klass = CURRENT_THREAD_ENV->get_klass_by_name_impl(
93 this,
94 constantPoolHandle(),
95 construct_array_name(base_element_klass()->name(),
96 dimension() - 1),
97 false);
98 }
99 }
100 return _element_klass;
101 }
102
103 // ------------------------------------------------------------------
104 // ciObjArrayKlass::construct_array_name
105 //
106 // Build an array name from an element name and a dimension.
107 ciSymbol* ciObjArrayKlass::construct_array_name(ciSymbol* element_name,
108 int dimension) {
109 EXCEPTION_CONTEXT;
110 int element_len = element_name->utf8_length();
111 int buflen = dimension + element_len + 3; // '['+ + 'L'? + (element) + ';'? + '\0'
112 char* name = CURRENT_THREAD_ENV->name_buffer(buflen);
113 int pos = 0;
114 for ( ; pos < dimension; pos++) {
115 name[pos] = JVM_SIGNATURE_ARRAY;
116 }
117 Symbol* base_name_sym = element_name->get_symbol();
118
119 if (Signature::is_array(base_name_sym) ||
120 Signature::has_envelope(base_name_sym)) {
121 strncpy(&name[pos], (char*)element_name->base(), element_len);
122 name[pos + element_len] = '\0';
123 } else {
124 name[pos++] = JVM_SIGNATURE_CLASS;
125 strncpy(&name[pos], (char*)element_name->base(), element_len);
126 name[pos + element_len] = JVM_SIGNATURE_ENDCLASS;
127 name[pos + element_len + 1] = '\0';
128 }
129 return ciSymbol::make(name);
130 }
131
132 // ------------------------------------------------------------------
133 // ciObjArrayKlass::make_impl
134 //
135 // Implementation of make.
136 ciObjArrayKlass* ciObjArrayKlass::make_impl(ciKlass* element_klass) {
137
138 if (element_klass->is_loaded()) {
139 EXCEPTION_CONTEXT;
140 // The element klass is loaded
141 Klass* array = element_klass->get_Klass()->array_klass(THREAD);
142 if (HAS_PENDING_EXCEPTION) {
143 CLEAR_PENDING_EXCEPTION;
144 CURRENT_THREAD_ENV->record_out_of_memory_failure();
145 return ciEnv::unloaded_ciobjarrayklass();
146 }
147 return CURRENT_THREAD_ENV->get_obj_array_klass(array);
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