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src/share/vm/ci/ciType.cpp

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  28 #include "ci/ciUtilities.hpp"
  29 #include "classfile/systemDictionary.hpp"
  30 #include "memory/resourceArea.hpp"
  31 #include "oops/oop.inline.hpp"
  32 
  33 ciType* ciType::_basic_types[T_CONFLICT+1];
  34 
  35 // ciType
  36 //
  37 // This class represents either a class (T_OBJECT), array (T_ARRAY),
  38 // or one of the primitive types such as T_INT.
  39 
  40 // ------------------------------------------------------------------
  41 // ciType::ciType
  42 //
  43 ciType::ciType(BasicType basic_type) : ciMetadata() {
  44   assert(basic_type >= T_BOOLEAN && basic_type <= T_CONFLICT, "range check");
  45   _basic_type = basic_type;
  46 }
  47 
  48 ciType::ciType(KlassHandle k) : ciMetadata(k()) {
  49   _basic_type = k()->is_array_klass() ? T_ARRAY : T_OBJECT;
  50 }
  51 
  52 
  53 // ------------------------------------------------------------------
  54 // ciType::is_subtype_of
  55 //
  56 bool ciType::is_subtype_of(ciType* type) {
  57   if (this == type)  return true;
  58   if (is_klass() && type->is_klass())
  59     return this->as_klass()->is_subtype_of(type->as_klass());
  60   return false;
  61 }
  62 
  63 // ------------------------------------------------------------------
  64 // ciType::name
  65 //
  66 // Return the name of this type
  67 const char* ciType::name() {
  68   if (is_primitive_type()) {
  69     return type2name(basic_type());




  28 #include "ci/ciUtilities.hpp"
  29 #include "classfile/systemDictionary.hpp"
  30 #include "memory/resourceArea.hpp"
  31 #include "oops/oop.inline.hpp"
  32 
  33 ciType* ciType::_basic_types[T_CONFLICT+1];
  34 
  35 // ciType
  36 //
  37 // This class represents either a class (T_OBJECT), array (T_ARRAY),
  38 // or one of the primitive types such as T_INT.
  39 
  40 // ------------------------------------------------------------------
  41 // ciType::ciType
  42 //
  43 ciType::ciType(BasicType basic_type) : ciMetadata() {
  44   assert(basic_type >= T_BOOLEAN && basic_type <= T_CONFLICT, "range check");
  45   _basic_type = basic_type;
  46 }
  47 
  48 ciType::ciType(Klass* k) : ciMetadata(k) {
  49   _basic_type = k->is_array_klass() ? T_ARRAY : T_OBJECT;
  50 }
  51 
  52 
  53 // ------------------------------------------------------------------
  54 // ciType::is_subtype_of
  55 //
  56 bool ciType::is_subtype_of(ciType* type) {
  57   if (this == type)  return true;
  58   if (is_klass() && type->is_klass())
  59     return this->as_klass()->is_subtype_of(type->as_klass());
  60   return false;
  61 }
  62 
  63 // ------------------------------------------------------------------
  64 // ciType::name
  65 //
  66 // Return the name of this type
  67 const char* ciType::name() {
  68   if (is_primitive_type()) {
  69     return type2name(basic_type());


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