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11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
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13  * accompanied this code).
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24 
25 #ifndef SHARE_VM_CI_CIMETHODTYPE_HPP
26 #define SHARE_VM_CI_CIMETHODTYPE_HPP
27 
28 #include "ci/ciInstance.hpp"
29 #include "ci/ciUtilities.hpp"
30 #include "classfile/javaClasses.hpp"
31 
32 // ciMethodType
33 //
34 // The class represents a java.lang.invoke.MethodType object.
35 class ciMethodType : public ciInstance {
36 private:
class_to_citype(oop klass_oop) const37   ciType* class_to_citype(oop klass_oop) const {
38     if (java_lang_Class::is_primitive(klass_oop)) {
39       BasicType bt = java_lang_Class::primitive_type(klass_oop);
40       return ciType::make(bt);
41     } else {
42       Klass* k = java_lang_Class::as_Klass(klass_oop);
43       return CURRENT_ENV->get_klass(k);
44     }
45   }
46 
47 public:
ciMethodType(instanceHandle h_i)48   ciMethodType(instanceHandle h_i) : ciInstance(h_i) {}
49 
50   // What kind of ciObject is this?
is_method_type() const51   bool is_method_type() const { return true; }
52 
rtype() const53   ciType* rtype() const {
54     GUARDED_VM_ENTRY(
55       oop rtype = java_lang_invoke_MethodType::rtype(get_oop());
56       return class_to_citype(rtype);
57     )
58   }
59 
ptype_count() const60   int ptype_count() const {
61     GUARDED_VM_ENTRY(return java_lang_invoke_MethodType::ptype_count(get_oop());)
62   }
63 
ptype_slot_count() const64   int ptype_slot_count() const {
65     GUARDED_VM_ENTRY(return java_lang_invoke_MethodType::ptype_slot_count(get_oop());)
66   }
67 
ptype_at(int index) const68   ciType* ptype_at(int index) const {
69     GUARDED_VM_ENTRY(
70       oop ptype = java_lang_invoke_MethodType::ptype(get_oop(), index);
71       return class_to_citype(ptype);
72     )
73   }
74 };
75 
76 #endif // SHARE_VM_CI_CIMETHODTYPE_HPP
77