src/hotspot/share/classfile/classFileParser.hpp
author coleenp
Wed, 21 Mar 2018 19:45:24 -0400
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8199809: Don't include frame.inline.hpp and other.inline.hpp from .hpp files Summary: Remove frame.inline.hpp,etc from header files and adjust transitive includes. Reviewed-by: stefank, stuefe
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/*
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 * Copyright (c) 1997, 2018, Oracle and/or its affiliates. All rights reserved.
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 *
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 * This code is free software; you can redistribute it and/or modify it
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 * under the terms of the GNU General Public License version 2 only, as
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 * published by the Free Software Foundation.
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 *
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 * This code is distributed in the hope that it will be useful, but WITHOUT
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 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
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 * version 2 for more details (a copy is included in the LICENSE file that
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 * accompanied this code).
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 *
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 * You should have received a copy of the GNU General Public License version
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 * 2 along with this work; if not, write to the Free Software Foundation,
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 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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 *
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 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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 * or visit www.oracle.com if you need additional information or have any
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 * questions.
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 *
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 */
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#ifndef SHARE_VM_CLASSFILE_CLASSFILEPARSER_HPP
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#define SHARE_VM_CLASSFILE_CLASSFILEPARSER_HPP
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#include "memory/referenceType.hpp"
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#include "oops/annotations.hpp"
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#include "oops/constantPool.hpp"
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#include "oops/typeArrayOop.hpp"
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#include "utilities/accessFlags.hpp"
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class Annotations;
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template <typename T>
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class Array;
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class ClassFileStream;
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class ClassLoaderData;
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class CompressedLineNumberWriteStream;
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class ConstMethod;
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class FieldInfo;
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template <typename T>
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class GrowableArray;
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class InstanceKlass;
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class Symbol;
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class TempNewSymbol;
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// Parser for for .class files
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//
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// The bytes describing the class file structure is read from a Stream object
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class ClassFileParser {
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 class ClassAnnotationCollector;
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 class FieldAllocationCount;
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 class FieldAnnotationCollector;
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 class FieldLayoutInfo;
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 public:
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  // The ClassFileParser has an associated "publicity" level
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  // It is used to control which subsystems (if any)
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  // will observe the parsing (logging, events, tracing).
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  // Default level is "BROADCAST", which is equivalent to
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  // a "public" parsing attempt.
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  //
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  // "INTERNAL" level should be entirely private to the
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  // caller - this allows for internal reuse of ClassFileParser
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  //
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  enum Publicity {
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    INTERNAL,
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    BROADCAST,
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    NOF_PUBLICITY_LEVELS
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  };
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  enum { LegalClass, LegalField, LegalMethod }; // used to verify unqualified names
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  // Potentially unaligned pointer to various 16-bit entries in the class file
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  typedef void unsafe_u2;
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  const ClassFileStream* _stream; // Actual input stream
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  const Symbol* _requested_name;
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  Symbol* _class_name;
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  mutable ClassLoaderData* _loader_data;
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  const InstanceKlass* _host_klass;
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  GrowableArray<Handle>* _cp_patches; // overrides for CP entries
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  int _num_patched_klasses;
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  int _max_num_patched_klasses;
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  int _orig_cp_size;
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  int _first_patched_klass_resolved_index;
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  // Metadata created before the instance klass is created.  Must be deallocated
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  // if not transferred to the InstanceKlass upon successful class loading
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  // in which case these pointers have been set to NULL.
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  const InstanceKlass* _super_klass;
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  ConstantPool* _cp;
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  Array<u2>* _fields;
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  Array<Method*>* _methods;
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  Array<u2>* _inner_classes;
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  Array<Klass*>* _local_interfaces;
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  Array<Klass*>* _transitive_interfaces;
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  Annotations* _combined_annotations;
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  AnnotationArray* _annotations;
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  AnnotationArray* _type_annotations;
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  Array<AnnotationArray*>* _fields_annotations;
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  Array<AnnotationArray*>* _fields_type_annotations;
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  InstanceKlass* _klass;  // InstanceKlass* once created.
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  InstanceKlass* _klass_to_deallocate; // an InstanceKlass* to be destroyed
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  ClassAnnotationCollector* _parsed_annotations;
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  FieldAllocationCount* _fac;
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  FieldLayoutInfo* _field_info;
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  const intArray* _method_ordering;
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  GrowableArray<Method*>* _all_mirandas;
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  enum { fixed_buffer_size = 128 };
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  u_char _linenumbertable_buffer[fixed_buffer_size];
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  // Size of Java vtable (in words)
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  int _vtable_size;
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  int _itable_size;
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  int _num_miranda_methods;
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  ReferenceType _rt;
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  Handle _protection_domain;
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  AccessFlags _access_flags;
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  // for tracing and notifications
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  Publicity _pub_level;
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  // Used to keep track of whether a constant pool item 19 or 20 is found.  These
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  // correspond to CONSTANT_Module and CONSTANT_Package tags and are not allowed
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  // in regular class files.  For class file version >= 53, a CFE cannot be thrown
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  // immediately when these are seen because a NCDFE must be thrown if the class's
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  // access_flags have ACC_MODULE set.  But, the access_flags haven't been looked
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  // at yet.  So, the bad constant pool item is cached here.  A value of zero
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  // means that no constant pool item 19 or 20 was found.
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  short _bad_constant_seen;
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  // class attributes parsed before the instance klass is created:
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  bool _synthetic_flag;
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  int _sde_length;
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  const char* _sde_buffer;
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  u2 _sourcefile_index;
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  u2 _generic_signature_index;
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  u2 _major_version;
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  u2 _minor_version;
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  u2 _this_class_index;
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  u2 _super_class_index;
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  u2 _itfs_len;
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  u2 _java_fields_count;
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  bool _need_verify;
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  bool _relax_verify;
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  bool _has_nonstatic_concrete_methods;
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  bool _declares_nonstatic_concrete_methods;
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  bool _has_final_method;
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  // precomputed flags
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  bool _has_finalizer;
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  bool _has_empty_finalizer;
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  bool _has_vanilla_constructor;
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  int _max_bootstrap_specifier_index;  // detects BSS values
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  void parse_stream(const ClassFileStream* const stream, TRAPS);
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  void post_process_parsed_stream(const ClassFileStream* const stream,
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                                  ConstantPool* cp,
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                                  TRAPS);
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  void prepend_host_package_name(const InstanceKlass* host_klass, TRAPS);
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  void fix_anonymous_class_name(TRAPS);
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  void fill_instance_klass(InstanceKlass* ik, bool cf_changed_in_CFLH, TRAPS);
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  void set_klass(InstanceKlass* instance);
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  void set_class_bad_constant_seen(short bad_constant);
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  short class_bad_constant_seen() { return  _bad_constant_seen; }
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  void set_class_synthetic_flag(bool x)        { _synthetic_flag = x; }
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  void set_class_sourcefile_index(u2 x)        { _sourcefile_index = x; }
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  void set_class_generic_signature_index(u2 x) { _generic_signature_index = x; }
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  void set_class_sde_buffer(const char* x, int len)  { _sde_buffer = x; _sde_length = len; }
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  void create_combined_annotations(TRAPS);
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  void apply_parsed_class_attributes(InstanceKlass* k);  // update k
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  void apply_parsed_class_metadata(InstanceKlass* k, int fields_count, TRAPS);
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  void clear_class_metadata();
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  // Constant pool parsing
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  void parse_constant_pool_entries(const ClassFileStream* const stream,
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                                   ConstantPool* cp,
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                                   const int length,
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                                   TRAPS);
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  void parse_constant_pool(const ClassFileStream* const cfs,
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                           ConstantPool* const cp,
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                           const int length,
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                           TRAPS);
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  // Interface parsing
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  void parse_interfaces(const ClassFileStream* const stream,
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                        const int itfs_len,
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                        ConstantPool* const cp,
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                        bool* has_nonstatic_concrete_methods,
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                        TRAPS);
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  const InstanceKlass* parse_super_class(ConstantPool* const cp,
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                                         const int super_class_index,
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                                         const bool need_verify,
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                                         TRAPS);
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  // Field parsing
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  void parse_field_attributes(const ClassFileStream* const cfs,
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                              u2 attributes_count,
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                              bool is_static,
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                              u2 signature_index,
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                              u2* const constantvalue_index_addr,
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                              bool* const is_synthetic_addr,
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                              u2* const generic_signature_index_addr,
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                              FieldAnnotationCollector* parsed_annotations,
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                              TRAPS);
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  void parse_fields(const ClassFileStream* const cfs,
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                    bool is_interface,
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                    FieldAllocationCount* const fac,
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                    ConstantPool* cp,
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                    const int cp_size,
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                    u2* const java_fields_count_ptr,
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                    TRAPS);
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  // Method parsing
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  Method* parse_method(const ClassFileStream* const cfs,
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                       bool is_interface,
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                       const ConstantPool* cp,
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                       AccessFlags* const promoted_flags,
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                       TRAPS);
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  void parse_methods(const ClassFileStream* const cfs,
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                     bool is_interface,
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                     AccessFlags* const promoted_flags,
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                     bool* const has_final_method,
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                     bool* const declares_nonstatic_concrete_methods,
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                     TRAPS);
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  const unsafe_u2* parse_exception_table(const ClassFileStream* const stream,
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                                         u4 code_length,
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                                         u4 exception_table_length,
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                                         TRAPS);
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  void parse_linenumber_table(u4 code_attribute_length,
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                              u4 code_length,
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                              CompressedLineNumberWriteStream**const write_stream,
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                              TRAPS);
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  const unsafe_u2* parse_localvariable_table(const ClassFileStream* const cfs,
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                                             u4 code_length,
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                                             u2 max_locals,
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                                             u4 code_attribute_length,
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                                             u2* const localvariable_table_length,
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                                             bool isLVTT,
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                                             TRAPS);
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  const unsafe_u2* parse_checked_exceptions(const ClassFileStream* const cfs,
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                                            u2* const checked_exceptions_length,
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                                            u4 method_attribute_length,
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                                            TRAPS);
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  void parse_type_array(u2 array_length,
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                        u4 code_length,
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                        u4* const u1_index,
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                        u4* const u2_index,
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                        u1* const u1_array,
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                        u2* const u2_array,
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                        TRAPS);
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  // Classfile attribute parsing
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  u2 parse_generic_signature_attribute(const ClassFileStream* const cfs, TRAPS);
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  void parse_classfile_sourcefile_attribute(const ClassFileStream* const cfs, TRAPS);
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  void parse_classfile_source_debug_extension_attribute(const ClassFileStream* const cfs,
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                                                        int length,
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                                                        TRAPS);
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  u2   parse_classfile_inner_classes_attribute(const ClassFileStream* const cfs,
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                                               const u1* const inner_classes_attribute_start,
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                                               bool parsed_enclosingmethod_attribute,
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                                               u2 enclosing_method_class_index,
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                                               u2 enclosing_method_method_index,
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                                               TRAPS);
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  void parse_classfile_attributes(const ClassFileStream* const cfs,
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                                  ConstantPool* cp,
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                                  ClassAnnotationCollector* parsed_annotations,
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                                  TRAPS);
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  void parse_classfile_synthetic_attribute(TRAPS);
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  void parse_classfile_signature_attribute(const ClassFileStream* const cfs, TRAPS);
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  void parse_classfile_bootstrap_methods_attribute(const ClassFileStream* const cfs,
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                                                   ConstantPool* cp,
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                                                   u4 attribute_length,
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                                                   TRAPS);
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  // Annotations handling
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  AnnotationArray* assemble_annotations(const u1* const runtime_visible_annotations,
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                                        int runtime_visible_annotations_length,
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   308
                                        const u1* const runtime_invisible_annotations,
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   309
                                        int runtime_invisible_annotations_length,
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   310
                                        TRAPS);
1
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  void set_precomputed_flags(InstanceKlass* k);
1
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   313
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   314
  // Format checker methods
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   315
  void classfile_parse_error(const char* msg, TRAPS) const;
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   316
  void classfile_parse_error(const char* msg, int index, TRAPS) const;
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   317
  void classfile_parse_error(const char* msg, const char *name, TRAPS) const;
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   318
  void classfile_parse_error(const char* msg,
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   319
                             int index,
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   320
                             const char *name,
1c7168ea0034 8140485: Class load and creation cleanup
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   321
                             TRAPS) const;
46301
57f01b1bd33c 8171194: Exception "Duplicate field name&signature in class file" should report the name and signature of the field
shshahma
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   322
  void classfile_parse_error(const char* msg,
57f01b1bd33c 8171194: Exception "Duplicate field name&signature in class file" should report the name and signature of the field
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   323
                             const char* name,
57f01b1bd33c 8171194: Exception "Duplicate field name&signature in class file" should report the name and signature of the field
shshahma
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   324
                             const char* signature,
57f01b1bd33c 8171194: Exception "Duplicate field name&signature in class file" should report the name and signature of the field
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   325
                             TRAPS) const;
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   326
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   327
  inline void guarantee_property(bool b, const char* msg, TRAPS) const {
1
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   328
    if (!b) { classfile_parse_error(msg, CHECK); }
489c9b5090e2 Initial load
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   329
  }
489c9b5090e2 Initial load
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   330
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   331
  void report_assert_property_failure(const char* msg, TRAPS) const PRODUCT_RETURN;
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   332
  void report_assert_property_failure(const char* msg, int index, TRAPS) const PRODUCT_RETURN;
29201
fee2bbb2ec1d 8073389: Remove the include of resourceArea.hpp from classFileParser.hpp
stefank
parents: 29081
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   333
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   334
  inline void assert_property(bool b, const char* msg, TRAPS) const {
1
489c9b5090e2 Initial load
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   335
#ifdef ASSERT
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99baa410e207 8012695: Assertion message displays %u and %s text instead of actual values
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   336
    if (!b) {
29201
fee2bbb2ec1d 8073389: Remove the include of resourceArea.hpp from classFileParser.hpp
stefank
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   337
      report_assert_property_failure(msg, THREAD);
17073
99baa410e207 8012695: Assertion message displays %u and %s text instead of actual values
hseigel
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   338
    }
99baa410e207 8012695: Assertion message displays %u and %s text instead of actual values
hseigel
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   339
#endif
99baa410e207 8012695: Assertion message displays %u and %s text instead of actual values
hseigel
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   340
  }
99baa410e207 8012695: Assertion message displays %u and %s text instead of actual values
hseigel
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diff changeset
   341
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1c7168ea0034 8140485: Class load and creation cleanup
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   342
  inline void assert_property(bool b, const char* msg, int index, TRAPS) const {
17073
99baa410e207 8012695: Assertion message displays %u and %s text instead of actual values
hseigel
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   343
#ifdef ASSERT
99baa410e207 8012695: Assertion message displays %u and %s text instead of actual values
hseigel
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   344
    if (!b) {
29201
fee2bbb2ec1d 8073389: Remove the include of resourceArea.hpp from classFileParser.hpp
stefank
parents: 29081
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   345
      report_assert_property_failure(msg, index, THREAD);
17073
99baa410e207 8012695: Assertion message displays %u and %s text instead of actual values
hseigel
parents: 16692
diff changeset
   346
    }
1
489c9b5090e2 Initial load
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   347
#endif
489c9b5090e2 Initial load
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   348
  }
489c9b5090e2 Initial load
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   349
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   350
  inline void check_property(bool property,
1c7168ea0034 8140485: Class load and creation cleanup
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   351
                             const char* msg,
1c7168ea0034 8140485: Class load and creation cleanup
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   352
                             int index,
1c7168ea0034 8140485: Class load and creation cleanup
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   353
                             TRAPS) const {
1
489c9b5090e2 Initial load
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   354
    if (_need_verify) {
489c9b5090e2 Initial load
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   355
      guarantee_property(property, msg, index, CHECK);
489c9b5090e2 Initial load
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   356
    } else {
17073
99baa410e207 8012695: Assertion message displays %u and %s text instead of actual values
hseigel
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   357
      assert_property(property, msg, index, CHECK);
1
489c9b5090e2 Initial load
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   358
    }
489c9b5090e2 Initial load
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   359
  }
489c9b5090e2 Initial load
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   360
34666
1c7168ea0034 8140485: Class load and creation cleanup
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   361
  inline void check_property(bool property, const char* msg, TRAPS) const {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   362
    if (_need_verify) {
489c9b5090e2 Initial load
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parents:
diff changeset
   363
      guarantee_property(property, msg, CHECK);
489c9b5090e2 Initial load
duke
parents:
diff changeset
   364
    } else {
489c9b5090e2 Initial load
duke
parents:
diff changeset
   365
      assert_property(property, msg, CHECK);
489c9b5090e2 Initial load
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parents:
diff changeset
   366
    }
489c9b5090e2 Initial load
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diff changeset
   367
  }
489c9b5090e2 Initial load
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parents:
diff changeset
   368
34666
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   369
  inline void guarantee_property(bool b,
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
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diff changeset
   370
                                 const char* msg,
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
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diff changeset
   371
                                 int index,
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34272
diff changeset
   372
                                 TRAPS) const {
1
489c9b5090e2 Initial load
duke
parents:
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   373
    if (!b) { classfile_parse_error(msg, index, CHECK); }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   374
  }
34666
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34272
diff changeset
   375
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34272
diff changeset
   376
  inline void guarantee_property(bool b,
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34272
diff changeset
   377
                                 const char* msg,
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34272
diff changeset
   378
                                 const char *name,
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34272
diff changeset
   379
                                 TRAPS) const {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   380
    if (!b) { classfile_parse_error(msg, name, CHECK); }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   381
  }
34666
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34272
diff changeset
   382
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34272
diff changeset
   383
  inline void guarantee_property(bool b,
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34272
diff changeset
   384
                                 const char* msg,
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34272
diff changeset
   385
                                 int index,
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34272
diff changeset
   386
                                 const char *name,
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34272
diff changeset
   387
                                 TRAPS) const {
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   388
    if (!b) { classfile_parse_error(msg, index, name, CHECK); }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   389
  }
489c9b5090e2 Initial load
duke
parents:
diff changeset
   390
34666
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34272
diff changeset
   391
  void throwIllegalSignature(const char* type,
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34272
diff changeset
   392
                             const Symbol* name,
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34272
diff changeset
   393
                             const Symbol* sig,
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34272
diff changeset
   394
                             TRAPS) const;
5709
3b5307e27c1d 6930553: classfile format checker allows invalid method descriptor in CONSTANT_NameAndType_info in some cases
kamg
parents: 3821
diff changeset
   395
34666
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34272
diff changeset
   396
  void verify_constantvalue(const ConstantPool* const cp,
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34272
diff changeset
   397
                            int constantvalue_index,
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34272
diff changeset
   398
                            int signature_index,
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34272
diff changeset
   399
                            TRAPS) const;
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34272
diff changeset
   400
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34272
diff changeset
   401
  void verify_legal_utf8(const unsigned char* buffer, int length, TRAPS) const;
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34272
diff changeset
   402
  void verify_legal_class_name(const Symbol* name, TRAPS) const;
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34272
diff changeset
   403
  void verify_legal_field_name(const Symbol* name, TRAPS) const;
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34272
diff changeset
   404
  void verify_legal_method_name(const Symbol* name, TRAPS) const;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   405
34666
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34272
diff changeset
   406
  void verify_legal_field_signature(const Symbol* fieldname,
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34272
diff changeset
   407
                                    const Symbol* signature,
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34272
diff changeset
   408
                                    TRAPS) const;
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34272
diff changeset
   409
  int  verify_legal_method_signature(const Symbol* methodname,
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34272
diff changeset
   410
                                     const Symbol* signature,
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34272
diff changeset
   411
                                     TRAPS) const;
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   412
34666
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34272
diff changeset
   413
  void verify_legal_class_modifiers(jint flags, TRAPS) const;
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34272
diff changeset
   414
  void verify_legal_field_modifiers(jint flags, bool is_interface, TRAPS) const;
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34272
diff changeset
   415
  void verify_legal_method_modifiers(jint flags,
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34272
diff changeset
   416
                                     bool is_interface,
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34272
diff changeset
   417
                                     const Symbol* name,
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34272
diff changeset
   418
                                     TRAPS) const;
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34272
diff changeset
   419
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34272
diff changeset
   420
  const char* skip_over_field_signature(const char* signature,
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34272
diff changeset
   421
                                        bool void_ok,
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34272
diff changeset
   422
                                        unsigned int length,
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34272
diff changeset
   423
                                        TRAPS) const;
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34272
diff changeset
   424
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34272
diff changeset
   425
  bool has_cp_patch_at(int index) const {
1550
be2fc37a817f 6653858: dynamic languages need to be able to load anonymous classes
jrose
parents: 1
diff changeset
   426
    assert(index >= 0, "oob");
be2fc37a817f 6653858: dynamic languages need to be able to load anonymous classes
jrose
parents: 1
diff changeset
   427
    return (_cp_patches != NULL
be2fc37a817f 6653858: dynamic languages need to be able to load anonymous classes
jrose
parents: 1
diff changeset
   428
            && index < _cp_patches->length()
be2fc37a817f 6653858: dynamic languages need to be able to load anonymous classes
jrose
parents: 1
diff changeset
   429
            && _cp_patches->adr_at(index)->not_null());
be2fc37a817f 6653858: dynamic languages need to be able to load anonymous classes
jrose
parents: 1
diff changeset
   430
  }
34666
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34272
diff changeset
   431
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34272
diff changeset
   432
  Handle cp_patch_at(int index) const {
1550
be2fc37a817f 6653858: dynamic languages need to be able to load anonymous classes
jrose
parents: 1
diff changeset
   433
    assert(has_cp_patch_at(index), "oob");
be2fc37a817f 6653858: dynamic languages need to be able to load anonymous classes
jrose
parents: 1
diff changeset
   434
    return _cp_patches->at(index);
be2fc37a817f 6653858: dynamic languages need to be able to load anonymous classes
jrose
parents: 1
diff changeset
   435
  }
34666
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34272
diff changeset
   436
49480
d7df2dd501ce 8199809: Don't include frame.inline.hpp and other.inline.hpp from .hpp files
coleenp
parents: 49364
diff changeset
   437
  Handle clear_cp_patch_at(int index);
34666
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34272
diff changeset
   438
46427
54713555867e 8171392: Move Klass pointers outside of ConstantPool entries so ConstantPool can be read-only
iklam
parents: 46352
diff changeset
   439
  void patch_class(ConstantPool* cp, int class_index, Klass* k, Symbol* name);
34666
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34272
diff changeset
   440
  void patch_constant_pool(ConstantPool* cp,
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34272
diff changeset
   441
                           int index,
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34272
diff changeset
   442
                           Handle patch,
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34272
diff changeset
   443
                           TRAPS);
1550
be2fc37a817f 6653858: dynamic languages need to be able to load anonymous classes
jrose
parents: 1
diff changeset
   444
be2fc37a817f 6653858: dynamic languages need to be able to load anonymous classes
jrose
parents: 1
diff changeset
   445
  // Wrapper for constantTag.is_klass_[or_]reference.
13728
882756847a04 6964458: Reimplement class meta-data storage to use native memory
coleenp
parents: 13391
diff changeset
   446
  // In older versions of the VM, Klass*s cannot sneak into early phases of
1550
be2fc37a817f 6653858: dynamic languages need to be able to load anonymous classes
jrose
parents: 1
diff changeset
   447
  // constant pool construction, but in later versions they can.
be2fc37a817f 6653858: dynamic languages need to be able to load anonymous classes
jrose
parents: 1
diff changeset
   448
  // %%% Let's phase out the old is_klass_reference.
34666
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34272
diff changeset
   449
  bool valid_klass_reference_at(int index) const {
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34272
diff changeset
   450
    return _cp->is_within_bounds(index) &&
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34272
diff changeset
   451
             _cp->tag_at(index).is_klass_or_reference();
15935
50da9e5eb858 8003419: NPG: Clean up metadata created during class loading if failure
coleenp
parents: 15601
diff changeset
   452
  }
50da9e5eb858 8003419: NPG: Clean up metadata created during class loading if failure
coleenp
parents: 15601
diff changeset
   453
50da9e5eb858 8003419: NPG: Clean up metadata created during class loading if failure
coleenp
parents: 15601
diff changeset
   454
  // Checks that the cpool index is in range and is a utf8
34666
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34272
diff changeset
   455
  bool valid_symbol_at(int cpool_index) const {
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34272
diff changeset
   456
    return _cp->is_within_bounds(cpool_index) &&
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34272
diff changeset
   457
             _cp->tag_at(cpool_index).is_utf8();
1550
be2fc37a817f 6653858: dynamic languages need to be able to load anonymous classes
jrose
parents: 1
diff changeset
   458
  }
be2fc37a817f 6653858: dynamic languages need to be able to load anonymous classes
jrose
parents: 1
diff changeset
   459
34666
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34272
diff changeset
   460
  void copy_localvariable_table(const ConstMethod* cm,
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34272
diff changeset
   461
                                int lvt_cnt,
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34272
diff changeset
   462
                                u2* const localvariable_table_length,
46513
c61eea516a0a 8181377: Capture underlying type for unsafe/unaligned pointers in ClassFileParser
mikael
parents: 46504
diff changeset
   463
                                const unsafe_u2** const localvariable_table_start,
15601
df8faef6efaf 8007320: NPG: move method annotations
coleenp
parents: 15193
diff changeset
   464
                                int lvtt_cnt,
34666
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34272
diff changeset
   465
                                u2* const localvariable_type_table_length,
46513
c61eea516a0a 8181377: Capture underlying type for unsafe/unaligned pointers in ClassFileParser
mikael
parents: 46504
diff changeset
   466
                                const unsafe_u2** const localvariable_type_table_start,
15601
df8faef6efaf 8007320: NPG: move method annotations
coleenp
parents: 15193
diff changeset
   467
                                TRAPS);
df8faef6efaf 8007320: NPG: move method annotations
coleenp
parents: 15193
diff changeset
   468
15935
50da9e5eb858 8003419: NPG: Clean up metadata created during class loading if failure
coleenp
parents: 15601
diff changeset
   469
  void copy_method_annotations(ConstMethod* cm,
34666
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34272
diff changeset
   470
                               const u1* runtime_visible_annotations,
15601
df8faef6efaf 8007320: NPG: move method annotations
coleenp
parents: 15193
diff changeset
   471
                               int runtime_visible_annotations_length,
34666
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34272
diff changeset
   472
                               const u1* runtime_invisible_annotations,
15601
df8faef6efaf 8007320: NPG: move method annotations
coleenp
parents: 15193
diff changeset
   473
                               int runtime_invisible_annotations_length,
34666
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34272
diff changeset
   474
                               const u1* runtime_visible_parameter_annotations,
15601
df8faef6efaf 8007320: NPG: move method annotations
coleenp
parents: 15193
diff changeset
   475
                               int runtime_visible_parameter_annotations_length,
34666
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34272
diff changeset
   476
                               const u1* runtime_invisible_parameter_annotations,
15601
df8faef6efaf 8007320: NPG: move method annotations
coleenp
parents: 15193
diff changeset
   477
                               int runtime_invisible_parameter_annotations_length,
34666
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34272
diff changeset
   478
                               const u1* runtime_visible_type_annotations,
15601
df8faef6efaf 8007320: NPG: move method annotations
coleenp
parents: 15193
diff changeset
   479
                               int runtime_visible_type_annotations_length,
34666
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34272
diff changeset
   480
                               const u1* runtime_invisible_type_annotations,
15601
df8faef6efaf 8007320: NPG: move method annotations
coleenp
parents: 15193
diff changeset
   481
                               int runtime_invisible_type_annotations_length,
34666
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34272
diff changeset
   482
                               const u1* annotation_default,
15601
df8faef6efaf 8007320: NPG: move method annotations
coleenp
parents: 15193
diff changeset
   483
                               int annotation_default_length,
df8faef6efaf 8007320: NPG: move method annotations
coleenp
parents: 15193
diff changeset
   484
                               TRAPS);
df8faef6efaf 8007320: NPG: move method annotations
coleenp
parents: 15193
diff changeset
   485
15935
50da9e5eb858 8003419: NPG: Clean up metadata created during class loading if failure
coleenp
parents: 15601
diff changeset
   486
  // lays out fields in class and returns the total oopmap count
34666
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34272
diff changeset
   487
  void layout_fields(ConstantPool* cp,
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34272
diff changeset
   488
                     const FieldAllocationCount* fac,
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34272
diff changeset
   489
                     const ClassAnnotationCollector* parsed_annotations,
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34272
diff changeset
   490
                     FieldLayoutInfo* info,
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34272
diff changeset
   491
                     TRAPS);
15935
50da9e5eb858 8003419: NPG: Clean up metadata created during class loading if failure
coleenp
parents: 15601
diff changeset
   492
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   493
 public:
34666
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34272
diff changeset
   494
  ClassFileParser(ClassFileStream* stream,
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34272
diff changeset
   495
                  Symbol* name,
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34272
diff changeset
   496
                  ClassLoaderData* loader_data,
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34272
diff changeset
   497
                  Handle protection_domain,
40923
10fe1c28b9f6 8058575: IllegalAccessError trying to access package-private class from VM anonymous class
hseigel
parents: 40016
diff changeset
   498
                  const InstanceKlass* host_klass,
34666
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34272
diff changeset
   499
                  GrowableArray<Handle>* cp_patches,
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34272
diff changeset
   500
                  Publicity pub_level,
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34272
diff changeset
   501
                  TRAPS);
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34272
diff changeset
   502
15935
50da9e5eb858 8003419: NPG: Clean up metadata created during class loading if failure
coleenp
parents: 15601
diff changeset
   503
  ~ClassFileParser();
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   504
36508
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 34666
diff changeset
   505
  InstanceKlass* create_instance_klass(bool cf_changed_in_CFLH, TRAPS);
34666
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34272
diff changeset
   506
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34272
diff changeset
   507
  const ClassFileStream* clone_stream() const;
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34272
diff changeset
   508
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34272
diff changeset
   509
  void set_klass_to_deallocate(InstanceKlass* klass);
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34272
diff changeset
   510
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34272
diff changeset
   511
  int static_field_size() const;
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34272
diff changeset
   512
  int total_oop_map_count() const;
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34272
diff changeset
   513
  jint layout_size() const;
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34272
diff changeset
   514
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34272
diff changeset
   515
  int vtable_size() const { return _vtable_size; }
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34272
diff changeset
   516
  int itable_size() const { return _itable_size; }
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   517
34666
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34272
diff changeset
   518
  u2 this_class_index() const { return _this_class_index; }
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34272
diff changeset
   519
  u2 super_class_index() const { return _super_class_index; }
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34272
diff changeset
   520
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34272
diff changeset
   521
  bool is_anonymous() const { return _host_klass != NULL; }
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34272
diff changeset
   522
  bool is_interface() const { return _access_flags.is_interface(); }
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34272
diff changeset
   523
40923
10fe1c28b9f6 8058575: IllegalAccessError trying to access package-private class from VM anonymous class
hseigel
parents: 40016
diff changeset
   524
  const InstanceKlass* host_klass() const { return _host_klass; }
34666
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34272
diff changeset
   525
  const GrowableArray<Handle>* cp_patches() const { return _cp_patches; }
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34272
diff changeset
   526
  ClassLoaderData* loader_data() const { return _loader_data; }
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34272
diff changeset
   527
  const Symbol* class_name() const { return _class_name; }
49480
d7df2dd501ce 8199809: Don't include frame.inline.hpp and other.inline.hpp from .hpp files
coleenp
parents: 49364
diff changeset
   528
  const InstanceKlass* super_klass() const { return _super_klass; }
34666
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34272
diff changeset
   529
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34272
diff changeset
   530
  ReferenceType reference_type() const { return _rt; }
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34272
diff changeset
   531
  AccessFlags access_flags() const { return _access_flags; }
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34272
diff changeset
   532
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34272
diff changeset
   533
  bool is_internal() const { return INTERNAL == _pub_level; }
1c7168ea0034 8140485: Class load and creation cleanup
mgronlun
parents: 34272
diff changeset
   534
36508
5f9eee6b383b 8142968: Module System implementation
alanb
parents: 34666
diff changeset
   535
  static bool verify_unqualified_name(const char* name, unsigned int length, int type);
40016
bf6fcd467a7b 8162340: Better class stream parsing
acorn
parents: 38031
diff changeset
   536
bf6fcd467a7b 8162340: Better class stream parsing
acorn
parents: 38031
diff changeset
   537
#ifdef ASSERT
bf6fcd467a7b 8162340: Better class stream parsing
acorn
parents: 38031
diff changeset
   538
  static bool is_internal_format(Symbol* class_name);
bf6fcd467a7b 8162340: Better class stream parsing
acorn
parents: 38031
diff changeset
   539
#endif
bf6fcd467a7b 8162340: Better class stream parsing
acorn
parents: 38031
diff changeset
   540
1
489c9b5090e2 Initial load
duke
parents:
diff changeset
   541
};
7397
5b173b4ca846 6989984: Use standard include model for Hospot
stefank
parents: 7114
diff changeset
   542
5b173b4ca846 6989984: Use standard include model for Hospot
stefank
parents: 7114
diff changeset
   543
#endif // SHARE_VM_CLASSFILE_CLASSFILEPARSER_HPP