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comparison src/share/vm/utilities/constantTag.hpp @ 1602:136b78722a08

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6939203: JSR 292 needs method handle constants Summary: Add new CP types CONSTANT_MethodHandle, CONSTANT_MethodType; extend 'ldc' bytecode. Reviewed-by: twisti, never
author jrose
date Wed, 09 Jun 2010 18:50:45 -0700
parents c18cbe5936b8
children 083fde3b838e
comparison
equal deleted inserted replaced
1585:49fac4acd688 1602:136b78722a08
76 bool is_klass_reference() const { return is_klass_index() || is_unresolved_klass(); } 76 bool is_klass_reference() const { return is_klass_index() || is_unresolved_klass(); }
77 bool is_klass_or_reference() const{ return is_klass() || is_klass_reference(); } 77 bool is_klass_or_reference() const{ return is_klass() || is_klass_reference(); }
78 bool is_field_or_method() const { return is_field() || is_method() || is_interface_method(); } 78 bool is_field_or_method() const { return is_field() || is_method() || is_interface_method(); }
79 bool is_symbol() const { return is_utf8(); } 79 bool is_symbol() const { return is_utf8(); }
80 80
81 bool is_method_type() const { return _tag == JVM_CONSTANT_MethodType; }
82 bool is_method_handle() const { return _tag == JVM_CONSTANT_MethodHandle; }
83
84 constantTag() {
85 _tag = JVM_CONSTANT_Invalid;
86 }
81 constantTag(jbyte tag) { 87 constantTag(jbyte tag) {
82 assert((tag >= 0 && tag <= JVM_CONSTANT_NameAndType) || 88 assert((tag >= 0 && tag <= JVM_CONSTANT_NameAndType) ||
89 (tag >= JVM_CONSTANT_MethodHandle && tag <= JVM_CONSTANT_MethodType) ||
83 (tag >= JVM_CONSTANT_InternalMin && tag <= JVM_CONSTANT_InternalMax), "Invalid constant tag"); 90 (tag >= JVM_CONSTANT_InternalMin && tag <= JVM_CONSTANT_InternalMax), "Invalid constant tag");
84 _tag = tag; 91 _tag = tag;
85 } 92 }
86 93
87 jbyte value() { return _tag; } 94 jbyte value() { return _tag; }
88 95
96 BasicType basic_type() const; // if used with ldc, what kind of value gets pushed?
97
98 const char* internal_name() const; // for error reporting
99
89 void print_on(outputStream* st) const PRODUCT_RETURN; 100 void print_on(outputStream* st) const PRODUCT_RETURN;
90 }; 101 };