gcc/java/java-tree.h

   1 /* Definitions for parsing and type checking for the GNU compiler for
   2    the Java(TM) language.
   3    Copyright (C) 1997-2013 Free Software Foundation, Inc.
   4
   5 This file is part of GCC.
   6
   7 GCC is free software; you can redistribute it and/or modify
   8 it under the terms of the GNU General Public License as published by
   9 the Free Software Foundation; either version 3, or (at your option)
  10 any later version.
  11
  12 GCC is distributed in the hope that it will be useful,
  13 but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 GNU General Public License for more details.
  16
  17 You should have received a copy of the GNU General Public License
  18 along with GCC; see the file COPYING3.  If not see
  19 <http://www.gnu.org/licenses/>.
  20
  21 Java and all Java-based marks are trademarks or registered trademarks
  22 of Sun Microsystems, Inc. in the United States and other countries.
  23 The Free Software Foundation is independent of Sun Microsystems, Inc.  */
  24
  25 /* Hacked by Per Bothner <bothner@cygnus.com> February 1996. */
  26
  27 #ifndef GCC_JAVA_TREE_H
  28 #define GCC_JAVA_TREE_H
  29
  30 #include "hashtab.h"
  31
  32 struct JCF;
  33
  34 /* Usage of TREE_LANG_FLAG_?:
  35    2: QUALIFIED_P (in IDENTIFIER_NODE)
  36       CLASS_FILE_P (in a TRANSLATION_UNIT_DECL in current_file_list)
  37    3: HAS_FINALIZER (in RECORD_TYPE)
  38    4: IS_A_COMMAND_LINE_FILENAME_P (in IDENTIFIER_NODE)
  39       IS_ARRAY_LENGTH_ACCESS (in INDIRECT_REF)
  40    5: HAS_BEEN_ALREADY_PARSED_P (in IDENTIFIER_NODE)
  41
  42    Usage of TYPE_LANG_FLAG_?:
  43    1: TYPE_ARRAY_P (in RECORD_TYPE).
  44    2: CLASS_PARSED_P (in RECORD_TYPE).
  45    4: CLASS_P (in RECORD_TYPE).
  46    5: CLASS_FROM_CURRENTLY_COMPILED_P (in RECORD_TYPE)
  47    6: CLASS_BEING_LAIDOUT (in RECORD_TYPE)
  48
  49    Usage of DECL_LANG_FLAG_?:
  50    0: METHOD_DEPRECATED (in FUNCTION_DECL).
  51       FIELD_DEPRECATED (in FIELD_DECL).
  52       CLASS_DEPRECATED (in TYPE_DECL).
  53    1: METHOD_PUBLIC (in FUNCTION_DECL).
  54       FIELD_PUBLIC (in FIELD_DECL).
  55       CLASS_PUBLIC (in TYPE_DECL).
  56    2: METHOD_STATIC (in FUNCTION_DECL).
  57       (But note that FIELD_STATIC uses TREE_STATIC!)
  58       FIELD_SYNTHETIC (in FIELD_DECL)
  59       CLASS_COMPLETE_P (in TYPE_DECL)
  60    3: METHOD_FINAL (in FUNCTION_DECL)
  61       FIELD_FINAL (in FIELD_DECL)
  62       CLASS_FINAL (in TYPE_DECL)
  63       DECL_FINAL (in any decl)
  64    4: METHOD_SYNCHRONIZED (in FUNCTION_DECL).
  65       CLASS_INTERFACE (in TYPE_DECL)
  66       FIELD_VOLATILE (int FIELD_DECL)
  67    5: METHOD_ABSTRACT (in FUNCTION_DECL).
  68       CLASS_ABSTRACT (in TYPE_DECL)
  69       FIELD_TRANSIENT (in FIELD_DECL)
  70    6: CLASS_SUPER (in TYPE_DECL, ACC_SUPER flag)
  71    7: DECL_CONSTRUCTOR_P (in FUNCTION_DECL).
  72       CLASS_STATIC (in TYPE_DECL)
  73 */
  74
  75 #define VAR_OR_FIELD_CHECK(DECL) \
  76   TREE_CHECK3 (DECL, FIELD_DECL, VAR_DECL, PARM_DECL)
  77
  78 /* True if the class whose TYPE_BINFO this is has a superclass.
  79    (True of all classes except Object.) */
  80 #define CLASS_HAS_SUPER_FLAG(BINFO) BINFO_FLAG_1 (BINFO)
  81 #define CLASS_HAS_SUPER(TYPE) \
  82   (TYPE_BINFO (TYPE) && CLASS_HAS_SUPER_FLAG (TYPE_BINFO (TYPE)))
  83
  84 /* Return the supertype of class TYPE, or NULL_TREE is it has none. */
  85 #define CLASSTYPE_SUPER(TYPE) (CLASS_HAS_SUPER (TYPE) \
  86   ? BINFO_TYPE (BINFO_BASE_BINFO (TYPE_BINFO (TYPE), 0)) \
  87   : NULL_TREE)
  88
  89 /* The class defined by the actual (main) file we are compiling. */
  90 #define main_class \
  91   java_global_trees[JTI_MAIN_CLASS]
  92
  93 /* The class we use as the base for name resolution.  It's usually the
  94    class we're generating code for but sometimes it points to an inner
  95    class.  If you really want to know the class we're currently
  96    generating code for, use output_class instead.  */
  97 #define current_class \
  98   java_global_trees[JTI_CURRENT_CLASS]
  99
 100 /* The class we are currently generating.  Really.  */
 101 #define output_class \
 102   java_global_trees[JTI_OUTPUT_CLASS]
 103
 104 /* List of virtual decls referred to by this translation unit, used to
 105    generate virtual method offset symbol table.  */
 106
 107 /* The virtual offset table.  This is emitted as uninitialized data of
 108    the required length, and filled out at run time during class
 109    linking. */
 110
 111 /* The virtual offset symbol table. Used by the runtime to fill out
 112    the otable. */
 113
 114 /* Resource name.  */
 115 extern const char *resource_name;
 116
 117 /* Turned to 1 if -Wall was encountered. See lang.c for their meanings.  */
 118 extern int flag_wall;
 119
 120 /* The Java .class file that provides main_class;  the main input file. */
 121 extern GTY(()) struct JCF * current_jcf;
 122
 123 /* Set to nonzero value in order to emit class initialization code
 124    before static field references.  */
 125 extern int always_initialize_class_p;
 126
 127 extern int flag_verify_invocations;
 128
 129 /* Largest pc so far in this method that has been passed to lookup_label. */
 130 extern int highest_label_pc_this_method;
 131
 132 /* Base value for this method to add to pc to get generated label. */
 133 extern int start_label_pc_this_method;
 134
 135 typedef struct CPool constant_pool;
 136
 137 #define CONSTANT_ResolvedFlag 16
 138
 139 /* Don't eagerly resolve this entry.  When this flag is set, constant
 140    pool entries are resolved only at runtime when the entry is first
 141    referred to.  */
 142 #define CONSTANT_LazyFlag 32
 143
 144 /* The cpool->data[i] for a ResolvedString points to a STRING_CST. */
 145 #define CONSTANT_ResolvedString    (CONSTANT_String+CONSTANT_ResolvedFlag)
 146
 147 /* The cpool->data[i] for a ResolvedClass points to a RECORD_TYPE. */
 148 #define CONSTANT_ResolvedClass     (CONSTANT_Class+CONSTANT_ResolvedFlag)
 149
 150 #define CPOOL_UTF(CPOOL, INDEX) ((CPOOL)->data[INDEX].t)
 151
 152 /* A NameAndType constant is represented as a TREE_LIST.
 153    The type is the signature string (as an IDENTIFIER_NODE).  */
 154
 155 #define NAME_AND_TYPE_NAME(CPOOL, IDX) \
 156   CPOOL_UTF(CPOOL, CPOOL_USHORT1(CPOOL, IDX))
 157 #define NAME_AND_TYPE_SIGNATURE(CPOOL, IDX) \
 158   CPOOL_UTF(CPOOL, CPOOL_USHORT2(CPOOL, IDX))
 159
 160 /* A FieldRef, MethodRef or InterfaceMethodRef constant
 161    is represented as a TREE_LIST. */
 162
 163 #define COMPONENT_REF_CLASS_INDEX(CPOOL, IDX) CPOOL_USHORT1(CPOOL, IDX)
 164 #define COMPONENT_REF_NAME_AND_TYPE(CPOOL, IDX) CPOOL_USHORT2(CPOOL, IDX)
 165 #define COMPONENT_REF_NAME(CPOOL, IDX) \
 166   NAME_AND_TYPE_NAME (CPOOL, COMPONENT_REF_NAME_AND_TYPE(CPOOL, IDX))
 167 #define COMPONENT_REF_SIGNATURE(CPOOL, IDX) \
 168   NAME_AND_TYPE_SIGNATURE (CPOOL, COMPONENT_REF_NAME_AND_TYPE(CPOOL, IDX))
 169
 170 extern GTY(()) tree java_lang_cloneable_identifier_node;
 171 extern GTY(()) tree java_io_serializable_identifier_node;
 172 extern GTY(()) tree gcj_abi_version;
 173
 174 /* The decl for the .constants field of an instance of Class.  */
 175 extern GTY(()) tree constants_field_decl_node;
 176
 177 /* The decl for the .data field of an instance of Class.  */
 178 extern GTY(()) tree constants_data_field_decl_node;
 179
 180 enum java_tree_index
 181 {
 182   JTI_PROMOTED_BYTE_TYPE_NODE,
 183   JTI_PROMOTED_SHORT_TYPE_NODE,
 184   JTI_PROMOTED_CHAR_TYPE_NODE,
 185   JTI_PROMOTED_BOOLEAN_TYPE_NODE,
 186
 187   JTI_BYTE_TYPE_NODE,
 188   JTI_SHORT_TYPE_NODE,
 189   JTI_INT_TYPE_NODE,
 190   JTI_LONG_TYPE_NODE,
 191
 192   JTI_UNSIGNED_BYTE_TYPE_NODE,
 193   JTI_UNSIGNED_SHORT_TYPE_NODE,
 194   JTI_UNSIGNED_INT_TYPE_NODE,
 195   JTI_UNSIGNED_LONG_TYPE_NODE,
 196
 197   JTI_DECIMAL_INT_MAX_NODE,
 198   JTI_DECIMAL_LONG_MAX_NODE,
 199
 200   JTI_OBJECT_TYPE_NODE,
 201   JTI_UNQUALIFIED_OBJECT_ID_NODE,
 202   JTI_OBJECT_PTR_TYPE_NODE,
 203   JTI_STRING_TYPE_NODE,
 204   JTI_STRING_PTR_TYPE_NODE,
 205   JTI_THROWABLE_TYPE_NODE,
 206   JTI_EXCEPTION_TYPE_NODE,
 207   JTI_RUNTIME_EXCEPTION_TYPE_NODE,
 208   JTI_ERROR_EXCEPTION_TYPE_NODE,
 209   JTI_RAWDATA_PTR_TYPE_NODE,
 210
 211   JTI_BYTE_ARRAY_TYPE_NODE,
 212   JTI_SHORT_ARRAY_TYPE_NODE,
 213   JTI_INT_ARRAY_TYPE_NODE,
 214   JTI_LONG_ARRAY_TYPE_NODE,
 215   JTI_BOOLEAN_ARRAY_TYPE_NODE,
 216   JTI_CHAR_ARRAY_TYPE_NODE,
 217   JTI_DOUBLE_ARRAY_TYPE_NODE,
 218   JTI_FLOAT_ARRAY_TYPE_NODE,
 219   JTI_ARRAY_ARRAY_TYPE_NODE,
 220   JTI_OBJECT_ARRAY_TYPE_NODE,
 221   JTI_STRING_ARRAY_TYPE_NODE,
 222   JTI_BOOLEAN_ARRAY_VTABLE,
 223   JTI_BYTE_ARRAY_VTABLE,
 224   JTI_CHAR_ARRAY_VTABLE,
 225   JTI_SHORT_ARRAY_VTABLE,
 226   JTI_INT_ARRAY_VTABLE,
 227   JTI_LONG_ARRAY_VTABLE,
 228   JTI_FLOAT_ARRAY_VTABLE,
 229   JTI_DOUBLE_ARRAY_VTABLE,
 230   JTI_TYPE_IDENTIFIER_NODE,
 231   JTI_INIT_IDENTIFIER_NODE,
 232   JTI_CLINIT_IDENTIFIER_NODE,
 233   JTI_VOID_SIGNATURE_NODE,
 234   JTI_FINALIZE_IDENTIFIER_NODE,
 235   JTI_THIS_IDENTIFIER_NODE,
 236   JTI_ONE_ELT_ARRAY_DOMAIN_TYPE,
 237
 238   JTI_RETURN_ADDRESS_TYPE_NODE,
 239
 240   JTI_LONG_ZERO_NODE,
 241   JTI_FLOAT_ZERO_NODE,
 242   JTI_DOUBLE_ZERO_NODE,
 243   JTI_INTEGER_TWO_NODE,
 244   JTI_INTEGER_FOUR_NODE,
 245
 246   JTI_METHODTABLE_TYPE,
 247   JTI_METHODTABLE_PTR_TYPE,
 248
 249   JTI_UTF8CONST_TYPE,
 250   JTI_UTF8CONST_PTR_TYPE,
 251
 252   JTI_CLASS_TYPE_NODE,
 253   JTI_CLASS_PTR_TYPE,
 254   JTI_FIELD_TYPE_NODE,
 255   JTI_CONSTANTS_TYPE_NODE,
 256   JTI_DTABLE_TYPE,
 257   JTI_DTABLE_PTR_TYPE,
 258   JTI_FIELD_PTR_TYPE_NODE,
 259   JTI_FIELD_INFO_UNION_NODE,
 260   JTI_EXCEPTION_TYPE,
 261   JTI_EXCEPTION_PTR_TYPE,
 262   JTI_LINENUMBERENTRY_TYPE,
 263   JTI_LINENUMBERS_TYPE,
 264   JTI_METHOD_TYPE_NODE,
 265   JTI_METHOD_PTR_TYPE_NODE,
 266   JTI_OTABLE_TYPE,
 267   JTI_OTABLE_PTR_TYPE,
 268   JTI_ATABLE_TYPE,
 269   JTI_ATABLE_PTR_TYPE,
 270   JTI_ITABLE_TYPE,
 271   JTI_ITABLE_PTR_TYPE,
 272   JTI_SYMBOL_TYPE,
 273   JTI_SYMBOLS_ARRAY_TYPE,
 274   JTI_SYMBOLS_ARRAY_PTR_TYPE,
 275   JTI_ASSERTION_ENTRY_TYPE,
 276   JTI_ASSERTION_TABLE_TYPE,
 277
 278   JTI_END_PARAMS_NODE,
 279
 280   JTI_THROW_NODE,
 281   JTI_ALLOC_OBJECT_NODE,
 282   JTI_ALLOC_NO_FINALIZER_NODE,
 283   JTI_SOFT_INSTANCEOF_NODE,
 284   JTI_SOFT_CHECKCAST_NODE,
 285   JTI_SOFT_INITCLASS_NODE,
 286   JTI_SOFT_NEWARRAY_NODE,
 287   JTI_SOFT_ANEWARRAY_NODE,
 288   JTI_SOFT_MULTIANEWARRAY_NODE,
 289   JTI_SOFT_BADARRAYINDEX_NODE,
 290   JTI_SOFT_NULLPOINTER_NODE,
 291   JTI_SOFT_ABSTRACTMETHOD_NODE,
 292   JTI_SOFT_NOSUCHFIELD_NODE,
 293   JTI_SOFT_CHECKARRAYSTORE_NODE,
 294   JTI_SOFT_MONITORENTER_NODE,
 295   JTI_SOFT_MONITOREXIT_NODE,
 296   JTI_SOFT_LOOKUPINTERFACEMETHOD_NODE,
 297   JTI_SOFT_LOOKUPINTERFACEMETHODBYNAME_NODE,
 298   JTI_SOFT_LOOKUPJNIMETHOD_NODE,
 299   JTI_SOFT_GETJNIENVNEWFRAME_NODE,
 300   JTI_SOFT_JNIPOPSYSTEMFRAME_NODE,
 301   JTI_SOFT_UNWRAPJNI_NODE,
 302   JTI_SOFT_FMOD_NODE,
 303   JTI_SOFT_IDIV_NODE,
 304   JTI_SOFT_IREM_NODE,
 305   JTI_SOFT_LDIV_NODE,
 306   JTI_SOFT_LREM_NODE,
 307
 308   JTI_ACCESS_FLAGS_TYPE_NODE,
 309
 310   JTI_NATIVECODE_PTR_ARRAY_TYPE_NODE,
 311
 312   JTI_MAIN_CLASS,
 313   JTI_CURRENT_CLASS,
 314   JTI_OUTPUT_CLASS,
 315
 316   JTI_MAX
 317 };
 318
 319 extern GTY(()) tree java_global_trees[JTI_MAX];
 320
 321 /* "Promoted types" that are used for primitive types smaller
 322    than int.  We could use int_type_node, but then we would lose
 323    type information (such as needed for debugging). */
 324 #define promoted_byte_type_node \
 325   java_global_trees[JTI_PROMOTED_BYTE_TYPE_NODE]
 326 #define promoted_short_type_node \
 327   java_global_trees[JTI_PROMOTED_SHORT_TYPE_NODE]
 328 #define promoted_char_type_node \
 329   java_global_trees[JTI_PROMOTED_CHAR_TYPE_NODE]
 330 #define promoted_boolean_type_node \
 331   java_global_trees[JTI_PROMOTED_BOOLEAN_TYPE_NODE]
 332
 333 #define byte_type_node \
 334   java_global_trees[JTI_BYTE_TYPE_NODE]
 335 #define short_type_node \
 336   java_global_trees[JTI_SHORT_TYPE_NODE]
 337 #define int_type_node \
 338   java_global_trees[JTI_INT_TYPE_NODE]
 339 #define long_type_node \
 340   java_global_trees[JTI_LONG_TYPE_NODE]
 341
 342 #define unsigned_byte_type_node \
 343   java_global_trees[JTI_UNSIGNED_BYTE_TYPE_NODE]
 344 #define unsigned_short_type_node \
 345   java_global_trees[JTI_UNSIGNED_SHORT_TYPE_NODE]
 346 #define unsigned_int_type_node \
 347   java_global_trees[JTI_UNSIGNED_INT_TYPE_NODE]
 348 #define unsigned_long_type_node \
 349   java_global_trees[JTI_UNSIGNED_LONG_TYPE_NODE]
 350
 351 #define decimal_int_max \
 352   java_global_trees[JTI_DECIMAL_INT_MAX_NODE]
 353 #define decimal_long_max \
 354   java_global_trees[JTI_DECIMAL_LONG_MAX_NODE]
 355
 356 #define object_type_node \
 357   java_global_trees[JTI_OBJECT_TYPE_NODE]
 358 #define unqualified_object_id_node \
 359   java_global_trees[JTI_UNQUALIFIED_OBJECT_ID_NODE]
 360 #define object_ptr_type_node \
 361   java_global_trees[JTI_OBJECT_PTR_TYPE_NODE]
 362 #define string_type_node \
 363   java_global_trees[JTI_STRING_TYPE_NODE]
 364 #define string_ptr_type_node \
 365   java_global_trees[JTI_STRING_PTR_TYPE_NODE]
 366 #define throwable_type_node \
 367   java_global_trees[JTI_THROWABLE_TYPE_NODE]
 368 #define exception_type_node \
 369   java_global_trees[JTI_EXCEPTION_TYPE_NODE]
 370 #define runtime_exception_type_node \
 371   java_global_trees[JTI_RUNTIME_EXCEPTION_TYPE_NODE]
 372 #define error_exception_type_node \
 373   java_global_trees[JTI_ERROR_EXCEPTION_TYPE_NODE]
 374 #define rawdata_ptr_type_node \
 375   java_global_trees[JTI_RAWDATA_PTR_TYPE_NODE]
 376
 377 #define byte_array_type_node \
 378   java_global_trees[JTI_BYTE_ARRAY_TYPE_NODE]
 379 #define short_array_type_node \
 380   java_global_trees[JTI_SHORT_ARRAY_TYPE_NODE]
 381 #define int_array_type_node \
 382   java_global_trees[JTI_INT_ARRAY_TYPE_NODE]
 383 #define long_array_type_node \
 384   java_global_trees[JTI_LONG_ARRAY_TYPE_NODE]
 385 #define boolean_array_type_node \
 386   java_global_trees[JTI_BOOLEAN_ARRAY_TYPE_NODE]
 387 #define char_array_type_node \
 388   java_global_trees[JTI_CHAR_ARRAY_TYPE_NODE]
 389 #define double_array_type_node \
 390   java_global_trees[JTI_DOUBLE_ARRAY_TYPE_NODE]
 391 #define float_array_type_node \
 392   java_global_trees[JTI_FLOAT_ARRAY_TYPE_NODE]
 393 #define array_array_type_node \
 394   java_global_trees[JTI_ARRAY_ARRAY_TYPE_NODE]
 395 #define object_array_type_node \
 396   java_global_trees[JTI_OBJECT_ARRAY_TYPE_NODE]
 397 #define string_array_type_node \
 398   java_global_trees[JTI_STRING_ARRAY_TYPE_NODE]
 399 #define boolean_array_vtable \
 400   java_global_trees[JTI_BOOLEAN_ARRAY_VTABLE]
 401 #define byte_array_vtable \
 402   java_global_trees[JTI_BYTE_ARRAY_VTABLE]
 403 #define char_array_vtable \
 404   java_global_trees[JTI_CHAR_ARRAY_VTABLE]
 405 #define short_array_vtable \
 406   java_global_trees[JTI_SHORT_ARRAY_VTABLE]
 407 #define int_array_vtable \
 408   java_global_trees[JTI_INT_ARRAY_VTABLE]
 409 #define long_array_vtable \
 410   java_global_trees[JTI_LONG_ARRAY_VTABLE]
 411 #define float_array_vtable \
 412   java_global_trees[JTI_FLOAT_ARRAY_VTABLE]
 413 #define double_array_vtable \
 414   java_global_trees[JTI_DOUBLE_ARRAY_VTABLE]
 415 #define TYPE_identifier_node \
 416   java_global_trees[JTI_TYPE_IDENTIFIER_NODE]      /* "TYPE" */
 417 #define init_identifier_node \
 418   java_global_trees[JTI_INIT_IDENTIFIER_NODE]      /* "<init>" */
 419 #define clinit_identifier_node \
 420   java_global_trees[JTI_CLINIT_IDENTIFIER_NODE]      /* "<clinit>" */
 421 #define void_signature_node \
 422   java_global_trees[JTI_VOID_SIGNATURE_NODE]       /* "()V" */
 423 #define finalize_identifier_node \
 424   java_global_trees[JTI_FINALIZE_IDENTIFIER_NODE]  /* "finalize" */
 425 #define this_identifier_node \
 426   java_global_trees[JTI_THIS_IDENTIFIER_NODE]  /* "this" */
 427 #define one_elt_array_domain_type \
 428   java_global_trees[JTI_ONE_ELT_ARRAY_DOMAIN_TYPE]
 429 /* The type of the return address of a subroutine. */
 430 #define return_address_type_node \
 431   java_global_trees[JTI_RETURN_ADDRESS_TYPE_NODE]
 432
 433 /* Integer constants not declared in tree.h. */
 434 #define long_zero_node \
 435   java_global_trees[JTI_LONG_ZERO_NODE]
 436 #define float_zero_node \
 437   java_global_trees[JTI_FLOAT_ZERO_NODE]
 438 #define double_zero_node \
 439   java_global_trees[JTI_DOUBLE_ZERO_NODE]
 440 #define integer_two_node \
 441   java_global_trees[JTI_INTEGER_TWO_NODE]
 442 #define integer_four_node \
 443   java_global_trees[JTI_INTEGER_FOUR_NODE]
 444
 445 /* The type for struct methodtable. */
 446 #define methodtable_type \
 447   java_global_trees[JTI_METHODTABLE_TYPE]
 448 #define methodtable_ptr_type \
 449   java_global_trees[JTI_METHODTABLE_PTR_TYPE]
 450
 451 #define utf8const_type \
 452   java_global_trees[JTI_UTF8CONST_TYPE]
 453 #define utf8const_ptr_type \
 454   java_global_trees[JTI_UTF8CONST_PTR_TYPE]
 455
 456 #define class_type_node \
 457   java_global_trees[JTI_CLASS_TYPE_NODE]
 458 #define class_ptr_type \
 459   java_global_trees[JTI_CLASS_PTR_TYPE]
 460 #define field_type_node \
 461   java_global_trees[JTI_FIELD_TYPE_NODE]
 462 #define constants_type_node \
 463   java_global_trees[JTI_CONSTANTS_TYPE_NODE]
 464 #define dtable_type \
 465   java_global_trees[JTI_DTABLE_TYPE]
 466 #define dtable_ptr_type \
 467   java_global_trees[JTI_DTABLE_PTR_TYPE]
 468 #define field_ptr_type_node \
 469   java_global_trees[JTI_FIELD_PTR_TYPE_NODE]
 470 #define field_info_union_node \
 471   java_global_trees[JTI_FIELD_INFO_UNION_NODE]
 472 #define jexception_type \
 473   java_global_trees[JTI_EXCEPTION_TYPE]
 474 #define jexception_ptr_type \
 475   java_global_trees[JTI_EXCEPTION_PTR_TYPE]
 476 #define lineNumberEntry_type \
 477   java_global_trees[JTI_LINENUMBERENTRY_TYPE]
 478 #define lineNumbers_type \
 479   java_global_trees[JTI_LINENUMBERS_TYPE]
 480 #define method_type_node \
 481   java_global_trees[JTI_METHOD_TYPE_NODE]
 482 #define method_ptr_type_node \
 483   java_global_trees[JTI_METHOD_PTR_TYPE_NODE]
 484 #define otable_type \
 485   java_global_trees[JTI_OTABLE_TYPE]
 486 #define atable_type \
 487   java_global_trees[JTI_ATABLE_TYPE]
 488 #define itable_type \
 489   java_global_trees[JTI_ITABLE_TYPE]
 490 #define otable_ptr_type \
 491   java_global_trees[JTI_OTABLE_PTR_TYPE]
 492 #define atable_ptr_type \
 493   java_global_trees[JTI_ATABLE_PTR_TYPE]
 494 #define itable_ptr_type \
 495   java_global_trees[JTI_ITABLE_PTR_TYPE]
 496 #define symbol_type \
 497   java_global_trees[JTI_SYMBOL_TYPE]
 498 #define symbols_array_type \
 499   java_global_trees[JTI_SYMBOLS_ARRAY_TYPE]
 500 #define symbols_array_ptr_type \
 501   java_global_trees[JTI_SYMBOLS_ARRAY_PTR_TYPE]
 502 #define assertion_entry_type \
 503   java_global_trees[JTI_ASSERTION_ENTRY_TYPE]
 504 #define assertion_table_type \
 505   java_global_trees[JTI_ASSERTION_TABLE_TYPE]
 506
 507 #define end_params_node \
 508   java_global_trees[JTI_END_PARAMS_NODE]
 509
 510 /* References to internal libjava functions we use. */
 511 #define throw_node \
 512   java_global_trees[JTI_THROW_NODE]
 513 #define alloc_object_node \
 514   java_global_trees[JTI_ALLOC_OBJECT_NODE]
 515 #define alloc_no_finalizer_node \
 516   java_global_trees[JTI_ALLOC_NO_FINALIZER_NODE]
 517 #define soft_instanceof_node \
 518   java_global_trees[JTI_SOFT_INSTANCEOF_NODE]
 519 #define soft_checkcast_node \
 520   java_global_trees[JTI_SOFT_CHECKCAST_NODE]
 521 #define soft_initclass_node \
 522   java_global_trees[JTI_SOFT_INITCLASS_NODE]
 523 #define soft_newarray_node \
 524   java_global_trees[JTI_SOFT_NEWARRAY_NODE]
 525 #define soft_anewarray_node \
 526   java_global_trees[JTI_SOFT_ANEWARRAY_NODE]
 527 #define soft_multianewarray_node \
 528   java_global_trees[JTI_SOFT_MULTIANEWARRAY_NODE]
 529 #define soft_badarrayindex_node \
 530   java_global_trees[JTI_SOFT_BADARRAYINDEX_NODE]
 531 #define soft_nullpointer_node \
 532   java_global_trees[JTI_SOFT_NULLPOINTER_NODE]
 533 #define soft_abstractmethod_node \
 534   java_global_trees[JTI_SOFT_ABSTRACTMETHOD_NODE]
 535 #define soft_nosuchfield_node \
 536   java_global_trees[JTI_SOFT_NOSUCHFIELD_NODE]
 537 #define soft_checkarraystore_node \
 538   java_global_trees[JTI_SOFT_CHECKARRAYSTORE_NODE]
 539 #define soft_monitorenter_node \
 540   java_global_trees[JTI_SOFT_MONITORENTER_NODE]
 541 #define soft_monitorexit_node \
 542   java_global_trees[JTI_SOFT_MONITOREXIT_NODE]
 543 #define soft_lookupinterfacemethod_node \
 544   java_global_trees[JTI_SOFT_LOOKUPINTERFACEMETHOD_NODE]
 545 #define soft_lookupinterfacemethodbyname_node \
 546   java_global_trees[JTI_SOFT_LOOKUPINTERFACEMETHODBYNAME_NODE]
 547 #define soft_lookupjnimethod_node \
 548   java_global_trees[JTI_SOFT_LOOKUPJNIMETHOD_NODE]
 549 #define soft_getjnienvnewframe_node \
 550   java_global_trees[JTI_SOFT_GETJNIENVNEWFRAME_NODE]
 551 #define soft_jnipopsystemframe_node \
 552   java_global_trees[JTI_SOFT_JNIPOPSYSTEMFRAME_NODE]
 553 #define soft_unwrapjni_node \
 554   java_global_trees[JTI_SOFT_UNWRAPJNI_NODE]
 555 #define soft_fmod_node \
 556   java_global_trees[JTI_SOFT_FMOD_NODE]
 557 #define soft_idiv_node \
 558   java_global_trees[JTI_SOFT_IDIV_NODE]
 559 #define soft_irem_node \
 560   java_global_trees[JTI_SOFT_IREM_NODE]
 561 #define soft_ldiv_node \
 562   java_global_trees[JTI_SOFT_LDIV_NODE]
 563 #define soft_lrem_node \
 564   java_global_trees[JTI_SOFT_LREM_NODE]
 565
 566 #define access_flags_type_node \
 567   java_global_trees[JTI_ACCESS_FLAGS_TYPE_NODE]
 568
 569 #define nativecode_ptr_array_type_node \
 570   java_global_trees[JTI_NATIVECODE_PTR_ARRAY_TYPE_NODE]
 571
 572 #define nativecode_ptr_type_node ptr_type_node
 573
 574 /* The decl for "_Jv_ResolvePoolEntry".  */
 575 extern GTY(()) tree soft_resolvepoolentry_node;
 576
 577 struct GTY(()) lang_identifier {
 578   struct tree_identifier ignore;
 579   tree global_value;
 580   tree local_value;
 581
 582   /* If non-NULL:  An ADDR_REF to a VAR_DECL that contains
 583    * the Utf8Const representation of the identifier.  */
 584   tree utf8_ref;
 585 };
 586
 587 /* The resulting tree type.  */
 588 union GTY((desc ("TREE_CODE (&%h.generic) == IDENTIFIER_NODE"),
 589        chain_next ("CODE_CONTAINS_STRUCT (TREE_CODE (&%h.generic), TS_COMMON) ? ((union lang_tree_node *) TREE_CHAIN (&%h.generic)) : NULL")))
 590
 591   lang_tree_node {
 592   union tree_node GTY ((tag ("0"),
 593                         desc ("tree_node_structure (&%h)")))
 594     generic;
 595   struct lang_identifier GTY ((tag ("1"))) identifier;
 596 };
 597
 598 /* Macros for access to language-specific slots in an identifier.  */
 599 /* Unless specified, each of these slots contains a DECL node or null.  */
 600
 601 /* This represents the value which the identifier has in the
 602    file-scope namespace.  */
 603 #define IDENTIFIER_GLOBAL_VALUE(NODE)   \
 604   (((struct lang_identifier *)(NODE))->global_value)
 605 /* This represents the value which the identifier has in the current
 606    scope.  */
 607 #define IDENTIFIER_LOCAL_VALUE(NODE)    \
 608   (((struct lang_identifier *)(NODE))->local_value)
 609
 610 /* Given an identifier NODE, get the corresponding class.
 611    E.g. IDENTIFIER_CLASS_VALUE(get_identifier ("java.lang.Number"))
 612    is the corresponding RECORD_TYPE. */
 613 #define IDENTIFIER_CLASS_VALUE(NODE) IDENTIFIER_GLOBAL_VALUE(NODE)
 614
 615 /* Given a signature of a reference (or array) type, or a method, return the
 616    corresponding type (if one has been allocated).
 617    Do not use for primitive types, since they may be ambiguous.
 618    (E.g. is "I" a signature or a class name?) */
 619 #define IDENTIFIER_SIGNATURE_TYPE(NODE) IDENTIFIER_GLOBAL_VALUE(NODE)
 620
 621 /* If non-NULL:  An ADDR_REF to a VAR_DECL that contains
 622    the Utf8Const representation of the identifier.  */
 623 #define IDENTIFIER_UTF8_REF(NODE) \
 624   (((struct lang_identifier *)(NODE))->utf8_ref)
 625
 626 #define IDENTIFIER_UTF8_DECL(NODE) \
 627   TREE_OPERAND((((struct lang_identifier *)(NODE))->utf8_ref), 0)
 628
 629 /* For a FUNCTION_DECL, if we are compiling a .class file, then this is
 630    the position in the .class file of the method code.
 631    Specifically, this is the code itself, not the code attribute. */
 632 #define DECL_CODE_OFFSET(DECL) (DECL_LANG_SPECIFIC(DECL)->u.f.code_offset)
 633 /* Similarly, the length of the bytecode. */
 634 #define DECL_CODE_LENGTH(DECL) (DECL_LANG_SPECIFIC(DECL)->u.f.code_length)
 635 /* Similarly, the position of the LineNumberTable attribute. */
 636 #define DECL_LINENUMBERS_OFFSET(DECL) \
 637   (DECL_LANG_SPECIFIC(DECL)->u.f.linenumbers_offset)
 638 /* Similarly, the position of the LocalVariableTable attribute
 639    (following the standard attribute header). */
 640 #define DECL_LOCALVARIABLES_OFFSET(DECL) \
 641   (DECL_LANG_SPECIFIC(DECL)->u.f.localvariables_offset)
 642
 643 #define DECL_MAX_LOCALS(DECL) (DECL_LANG_SPECIFIC(DECL)->u.f.max_locals)
 644 #define DECL_MAX_STACK(DECL) (DECL_LANG_SPECIFIC(DECL)->u.f.max_stack)
 645 /* Number of local variable slots needed for the arguments of this function. */
 646 #define DECL_ARG_SLOT_COUNT(DECL) \
 647   (DECL_LANG_SPECIFIC(DECL)->u.f.arg_slot_count)
 648 /* Source location of end of function. */
 649 #define DECL_FUNCTION_LAST_LINE(DECL) (DECL_LANG_SPECIFIC(DECL)->u.f.last_line)
 650 /* List of checked thrown exceptions, as specified with the `throws'
 651    keyword */
 652 #define DECL_FUNCTION_THROWS(DECL) (DECL_LANG_SPECIFIC(DECL)->u.f.throws_list)
 653 /* VAR_DECL containing the caught exception object.  */
 654 #define DECL_FUNCTION_EXC_OBJ(DECL) (DECL_LANG_SPECIFIC(DECL)->u.f.exc_obj)
 655 /* For each function decl, init_test_table contains a hash table whose
 656    entries are keyed on class names, and whose values are local
 657    boolean decls.  The variables are intended to be TRUE when the
 658    class has been initialized in this function, and FALSE otherwise.  */
 659 #define DECL_FUNCTION_INIT_TEST_TABLE(DECL) \
 660   (DECL_LANG_SPECIFIC(DECL)->u.f.init_test_table)
 661 /* For each static function decl, itc contains a hash table whose
 662    entries are keyed on class named that are definitively initialized
 663    in DECL.  */
 664 #define DECL_FUNCTION_INITIALIZED_CLASS_TABLE(DECL) \
 665   (DECL_LANG_SPECIFIC(DECL)->u.f.ict)
 666
 667 #define DECL_LOCAL_CNI_METHOD_P(NODE) \
 668     (DECL_LANG_SPECIFIC (NODE)->u.f.local_cni)
 669
 670 /* True when DECL (a field) is Synthetic.  */
 671 #define FIELD_SYNTHETIC(DECL) DECL_LANG_FLAG_2 (VAR_OR_FIELD_CHECK (DECL))
 672
 673 /* The slot number for this local variable. */
 674 #define DECL_LOCAL_SLOT_NUMBER(NODE) \
 675   (DECL_LANG_SPECIFIC (NODE)->u.v.slot_number)
 676 /* The start (bytecode) pc for the valid range of this local variable. */
 677 #define DECL_LOCAL_START_PC(NODE)  (DECL_LANG_SPECIFIC (NODE)->u.v.start_pc)
 678 /* The end (bytecode) pc for the valid range of this local variable. */
 679 #define DECL_LOCAL_END_PC(NODE)    (DECL_LANG_SPECIFIC (NODE)->u.v.end_pc)
 680 /* For a VAR_DECL or PARM_DECL, used to chain decls with the same
 681    slot_number in decl_map. */
 682 #define DECL_LOCAL_SLOT_CHAIN(NODE) (DECL_LANG_SPECIFIC(NODE)->u.v.slot_chain)
 683 /* The class that's the owner of a dynamic binding table.  */
 684 #define DECL_OWNER(NODE)            (DECL_LANG_SPECIFIC(NODE)->u.v.owner)
 685 /* True if NODE is a class final field. */
 686 #define FIELD_ENUM(DECL)            (DECL_LANG_SPECIFIC (DECL)->u.v.field_enum)
 687 /* True if NODE is a variable that is out of scope.  */
 688 #define LOCAL_VAR_OUT_OF_SCOPE_P(NODE) \
 689     (DECL_LANG_SPECIFIC (NODE)->u.v.freed)
 690 #define LOCAL_SLOT_P(NODE) \
 691     (DECL_LANG_SPECIFIC (NODE)->u.v.local_slot)
 692
 693 #define DECL_CLASS_FIELD_P(NODE) \
 694     (DECL_LANG_SPECIFIC (NODE)->u.v.class_field)
 695 #define DECL_VTABLE_P(NODE) \
 696     (DECL_LANG_SPECIFIC (NODE)->u.v.vtable)
 697
 698 /* Create a DECL_LANG_SPECIFIC if necessary. */
 699 #define MAYBE_CREATE_VAR_LANG_DECL_SPECIFIC(T)                       \
 700   if (DECL_LANG_SPECIFIC (T) == NULL)                                \
 701     {                                                                \
 702       DECL_LANG_SPECIFIC ((T))                                       \
 703         = ggc_alloc_cleared_lang_decl (sizeof (struct lang_decl));   \
 704       DECL_LANG_SPECIFIC (T)->desc = LANG_DECL_VAR;                  \
 705     }
 706
 707 /* A ConstantExpression, after folding and name resolution. */
 708 #define CONSTANT_VALUE_P(NODE) \
 709   (TREE_CODE (NODE) == STRING_CST \
 710    || (TREE_CODE (NODE) == INTEGER_CST \
 711        && TREE_CODE (TREE_TYPE (NODE)) != POINTER_TYPE) \
 712    || TREE_CODE (NODE) == REAL_CST)
 713
 714 /* DECL_LANG_SPECIFIC for FUNCTION_DECLs. */
 715 struct GTY(()) lang_decl_func {
 716   /*  tree chain; not yet used. */
 717   long code_offset;
 718   int code_length;
 719   long linenumbers_offset;
 720   long localvariables_offset;
 721   int arg_slots;
 722   int max_locals;
 723   int max_stack;
 724   int arg_slot_count;
 725   source_location last_line;    /* End line number for a function decl */
 726   vec<tree, va_gc> *throws_list;        /* Exception specified by `throws' */
 727   tree exc_obj;                 /* Decl holding the exception object.  */
 728
 729   /* Class initialization test variables  */
 730   htab_t GTY ((param_is (struct treetreehash_entry))) init_test_table;
 731
 732   /* Initialized (static) Class Table */
 733   htab_t GTY ((param_is (union tree_node))) ict;
 734
 735   unsigned int native : 1;      /* Nonzero if this is a native method  */
 736   unsigned int strictfp : 1;
 737   unsigned int invisible : 1;   /* Set for methods we generate
 738                                    internally but which shouldn't be
 739                                    written to the .class file.  */
 740   unsigned int dummy : 1;
 741   unsigned int local_cni : 1;   /* Decl needs mangle_local_cni_method.  */
 742   unsigned int bridge : 1;      /* Bridge method.  */
 743   unsigned int varargs : 1;     /* Varargs method.  */
 744 };
 745
 746 struct GTY(()) treetreehash_entry {
 747   tree key;
 748   tree value;
 749 };
 750
 751 /* These represent the possible assertion_codes that can be emitted in the
 752    type assertion table.  */
 753 enum
 754 {
 755   JV_ASSERT_END_OF_TABLE = 0,     /* Last entry in table.  */
 756   JV_ASSERT_TYPES_COMPATIBLE = 1, /* Operand A is assignable to Operand B.  */
 757   JV_ASSERT_IS_INSTANTIABLE = 2   /* Operand A is an instantiable class.  */
 758 };
 759
 760 /* Annotation types used in the reflection_data.  See
 761    java.lang.Class.getDeclaredAnnotations() in the runtime library for
 762    an example of how these are used.  */
 763
 764 typedef enum
 765 {
 766   JV_CLASS_ATTR,
 767   JV_METHOD_ATTR,
 768   JV_FIELD_ATTR,
 769   JV_DONE_ATTR
 770 } jv_attr_type;
 771
 772 typedef enum
 773 {
 774   JV_INNER_CLASSES_KIND,
 775   JV_ENCLOSING_METHOD_KIND,
 776   JV_SIGNATURE_KIND,
 777   JV_ANNOTATIONS_KIND,
 778   JV_PARAMETER_ANNOTATIONS_KIND,
 779   JV_ANNOTATION_DEFAULT_KIND
 780 } jv_attr_kind;
 781
 782 typedef struct GTY(()) type_assertion {
 783   int assertion_code; /* 'opcode' for the type of this assertion. */
 784   tree op1;           /* First operand. */
 785   tree op2;           /* Second operand. */
 786 } type_assertion;
 787
 788 extern tree java_treetreehash_find (htab_t, tree);
 789 extern tree * java_treetreehash_new (htab_t, tree);
 790 extern htab_t java_treetreehash_create (size_t size);
 791
 792 /* DECL_LANG_SPECIFIC for VAR_DECL, PARM_DECL and sometimes FIELD_DECL
 793    (access methods on outer class fields) and final fields. */
 794 struct GTY(()) lang_decl_var {
 795   int slot_number;
 796   int start_pc;
 797   int end_pc;
 798   tree slot_chain;
 799   tree owner;
 800   unsigned int freed : 1;               /* Decl is no longer in scope.  */
 801   unsigned int local_slot : 1;  /* Decl is a temporary in the stack frame.  */
 802   unsigned int class_field : 1; /* Decl needs mangle_class_field.  */
 803   unsigned int vtable : 1;      /* Decl needs mangle_vtable.  */
 804   unsigned int field_enum:1;    /* Field is an enum.  */
 805 };
 806
 807 /* This is what 'lang_decl' really points to.  */
 808
 809 enum lang_decl_desc {LANG_DECL_FUNC, LANG_DECL_VAR};
 810
 811 struct GTY((variable_size)) lang_decl {
 812   enum lang_decl_desc desc;
 813   union lang_decl_u
 814     {
 815       struct lang_decl_func GTY ((tag ("LANG_DECL_FUNC"))) f;
 816       struct lang_decl_var GTY ((tag ("LANG_DECL_VAR"))) v;
 817     } GTY ((desc ("%0.desc"))) u;
 818 };
 819
 820 /* Macro to access fields in `struct lang_type'.  */
 821
 822 #define TYPE_SIGNATURE(T)       (TYPE_LANG_SPECIFIC (T)->signature)
 823 #define TYPE_JCF(T)             (TYPE_LANG_SPECIFIC (T)->jcf)
 824 #define TYPE_CPOOL(T)           (TYPE_LANG_SPECIFIC (T)->cpool)
 825 #define TYPE_CPOOL_DATA_REF(T)  (TYPE_LANG_SPECIFIC (T)->cpool_data_ref)
 826 #define MAYBE_CREATE_TYPE_TYPE_LANG_SPECIFIC(T) \
 827   if (TYPE_LANG_SPECIFIC ((T)) == NULL)         \
 828      TYPE_LANG_SPECIFIC ((T))                   \
 829        = ggc_alloc_cleared_lang_type (sizeof (struct lang_type));
 830
 831 #define TYPE_DUMMY(T)           (TYPE_LANG_SPECIFIC(T)->dummy_class)
 832
 833 #define TYPE_PACKAGE_LIST(T)     (TYPE_LANG_SPECIFIC (T)->package_list)
 834 #define TYPE_PRIVATE_INNER_CLASS(T) (TYPE_LANG_SPECIFIC (T)->pic)
 835 #define TYPE_PROTECTED_INNER_CLASS(T) (TYPE_LANG_SPECIFIC (T)->poic)
 836 #define TYPE_STRICTFP(T) (TYPE_LANG_SPECIFIC (T)->strictfp)
 837 #define TYPE_ENUM(T)            (TYPE_LANG_SPECIFIC (T)->enum_class)
 838 #define TYPE_SYNTHETIC(T)       (TYPE_LANG_SPECIFIC (T)->synthetic)
 839 #define TYPE_ANNOTATION(T)      (TYPE_LANG_SPECIFIC (T)->annotation)
 840
 841 #define TYPE_USES_ASSERTIONS(T) (TYPE_LANG_SPECIFIC (T)->assertions)
 842
 843 #define TYPE_ATABLE_METHODS(T)   (TYPE_LANG_SPECIFIC (T)->atable_methods)
 844 #define TYPE_ATABLE_SYMS_DECL(T) (TYPE_LANG_SPECIFIC (T)->atable_syms_decl)
 845 #define TYPE_ATABLE_DECL(T)      (TYPE_LANG_SPECIFIC (T)->atable_decl)
 846
 847 #define TYPE_OTABLE_METHODS(T)   (TYPE_LANG_SPECIFIC (T)->otable_methods)
 848 #define TYPE_OTABLE_SYMS_DECL(T) (TYPE_LANG_SPECIFIC (T)->otable_syms_decl)
 849 #define TYPE_OTABLE_DECL(T)      (TYPE_LANG_SPECIFIC (T)->otable_decl)
 850
 851 #define TYPE_ITABLE_METHODS(T)   (TYPE_LANG_SPECIFIC (T)->itable_methods)
 852 #define TYPE_ITABLE_SYMS_DECL(T) (TYPE_LANG_SPECIFIC (T)->itable_syms_decl)
 853 #define TYPE_ITABLE_DECL(T)      (TYPE_LANG_SPECIFIC (T)->itable_decl)
 854
 855 #define TYPE_CTABLE_DECL(T)      (TYPE_LANG_SPECIFIC (T)->ctable_decl)
 856 #define TYPE_CATCH_CLASSES(T)    (TYPE_LANG_SPECIFIC (T)->catch_classes)
 857
 858 #define TYPE_TO_RUNTIME_MAP(T)   (TYPE_LANG_SPECIFIC (T)->type_to_runtime_map)
 859 #define TYPE_ASSERTIONS(T)       (TYPE_LANG_SPECIFIC (T)->type_assertions)
 860 #define TYPE_PACKAGE(T)          (TYPE_LANG_SPECIFIC (T)->package)
 861
 862 #define TYPE_REFLECTION_DATA(T)  (TYPE_LANG_SPECIFIC (T)->reflection_data)
 863 #define TYPE_REFLECTION_DATASIZE(T)                                     \
 864                                 (TYPE_LANG_SPECIFIC (T)->reflection_datasize)
 865
 866 typedef struct GTY(()) method_entry_d {
 867   tree method;
 868   tree special;
 869 } method_entry;
 870
 871
 872 /* FIXME: the variable_size annotation here is needed because these types are
 873    variable-sized in some other frontends.  Due to gengtype deficiency the GTY
 874    options of such types have to agree across all frontends. */
 875 struct GTY((variable_size)) lang_type {
 876   tree signature;
 877   struct JCF *jcf;
 878   struct CPool *cpool;
 879   tree cpool_data_ref;          /* Cached */
 880   tree package_list;            /* List of package names, progressive */
 881
 882   vec<method_entry, va_gc> *otable_methods; /* List of static decls referred
 883                                            to by this class.  */
 884   tree otable_decl;             /* The static address table.  */
 885   tree otable_syms_decl;
 886
 887   vec<method_entry, va_gc> *atable_methods; /* List of abstract methods
 888                                            referred to by this class.  */
 889   tree atable_decl;             /* The static address table.  */
 890   tree atable_syms_decl;
 891
 892   vec<method_entry, va_gc> *itable_methods; /* List of interface methods
 893                                            referred to by this class.  */
 894   tree itable_decl;             /* The interfaces table.  */
 895   tree itable_syms_decl;
 896
 897   tree ctable_decl;             /* The table of classes for the runtime
 898                                    type matcher.  */
 899   vec<constructor_elt, va_gc> *catch_classes;
 900
 901   htab_t GTY ((param_is (struct treetreehash_entry))) type_to_runtime_map;
 902                                 /* The mapping of classes to exception region
 903                                    markers.  */
 904
 905   htab_t GTY ((param_is (struct type_assertion))) type_assertions;
 906                                 /* Table of type assertions to be evaluated
 907                                    by the runtime when this class is loaded. */
 908
 909   tree package;                 /* IDENTIFIER_NODE for package this class is
 910                                    a member of.  */
 911
 912   unsigned char* GTY((skip)) reflection_data;   /* The raw reflection
 913                                                    data for this
 914                                                    class.  */
 915   long reflection_datasize;     /* The size of the raw reflection data
 916                                    for this class, in bytes.  */
 917
 918   unsigned pic:1;               /* Private Inner Class. */
 919   unsigned poic:1;              /* Protected Inner Class. */
 920   unsigned strictfp:1;          /* `strictfp' class.  */
 921   unsigned assertions:1;        /* Any method uses `assert'.  */
 922   unsigned dummy_class:1;       /* Not a real class, just a placeholder.  */
 923   unsigned enum_class:1;        /* Class is an enum type.  */
 924   unsigned synthetic:1;         /* Class is synthetic.  */
 925   unsigned annotation:1;        /* Class is an annotation type.  */
 926 };
 927
 928 #define JCF_u4 unsigned long
 929 #define JCF_u2 unsigned short
 930
 931 /* Possible values to pass to lookup_argument_method_generic.  */
 932 #define SEARCH_INTERFACE      1
 933 #define SEARCH_SUPER          2
 934 #define SEARCH_VISIBLE        4
 935
 936 /* Defined in java-except.h  */
 937 struct eh_range;
 938
 939 extern void java_parse_file (void);
 940 extern tree java_type_for_mode (enum machine_mode, int);
 941 extern tree java_type_for_size (unsigned int, int);
 942 extern tree java_truthvalue_conversion (tree);
 943 extern void add_assume_compiled (const char *, int);
 944 extern void add_enable_assert (const char *, int);
 945 extern bool enable_assertions (tree);
 946 extern tree lookup_class (tree);
 947 extern tree lookup_java_constructor (tree, tree);
 948 extern tree lookup_java_method (tree, tree, tree);
 949 extern tree lookup_argument_method (tree, tree, tree);
 950 extern tree lookup_argument_method_generic (tree, tree, tree, int);
 951 extern int has_method (tree, tree);
 952 extern tree promote_type (tree);
 953 extern tree get_constant (struct JCF*, int);
 954 extern tree get_name_constant (struct JCF*, int);
 955 extern tree get_class_constant (struct JCF*, int);
 956 extern tree parse_signature (struct JCF *jcf, int sig_index);
 957 extern tree add_field (tree, tree, tree, int);
 958 extern tree add_method (tree, int, tree, tree);
 959 extern tree add_method_1 (tree, int, tree, tree);
 960 extern void java_hide_decl (tree);
 961 extern tree make_class (void);
 962 extern tree push_class (tree, tree);
 963 extern tree unmangle_classname (const char *name, int name_length);
 964 extern tree parse_signature_string (const unsigned char *, int);
 965 extern tree get_type_from_signature (tree);
 966 extern void layout_class (tree);
 967 extern int get_interface_method_index (tree, tree);
 968 extern tree layout_class_method (tree, tree, tree, tree);
 969 extern void layout_class_methods (tree);
 970 extern void cache_this_class_ref (tree);
 971 extern void uncache_this_class_ref (tree);
 972 extern tree build_class_ref (tree);
 973 extern tree build_dtable_decl (tree);
 974 extern tree build_internal_class_name (tree);
 975 extern tree build_constants_constructor (void);
 976 extern tree build_constant_data_ref (bool);
 977 extern tree build_ref_from_constant_pool (int);
 978 extern tree build_utf8_ref (tree);
 979 extern tree ident_subst (const char *, int, const char *, int, int,
 980                          const char *);
 981 extern tree identifier_subst (const tree, const char *, int, int,
 982                               const char *);
 983 extern bool global_bindings_p (void);
 984 extern tree getdecls (void);
 985 extern void pushlevel (int);
 986 extern tree poplevel (int,int, int);
 987 extern tree pushdecl (tree);
 988 extern void java_init_decl_processing (void);
 989 extern void java_dup_lang_specific_decl (tree);
 990 extern tree build_java_signature (tree);
 991 extern tree build_java_argument_signature (tree);
 992 extern void set_java_signature (tree, tree);
 993 extern tree build_static_field_ref (tree);
 994 extern tree build_address_of (tree);
 995 extern tree find_local_variable (int index, tree type, int pc);
 996 extern tree find_stack_slot (int index, tree type);
 997 extern tree build_prim_array_type (tree, HOST_WIDE_INT);
 998 extern tree build_java_array_type (tree, HOST_WIDE_INT);
 999 extern int is_compiled_class (tree);
1000 extern tree mangled_classname (const char *, tree);
1001 extern tree lookup_label (int);
1002 extern tree pop_type_0 (tree, char **);
1003 extern tree pop_type (tree);
1004 extern tree decode_newarray_type (int);
1005 extern tree lookup_field (tree *, tree);
1006 extern int is_array_type_p (tree);
1007 extern HOST_WIDE_INT java_array_type_length (tree);
1008 extern int read_class (tree);
1009 extern void load_class (tree, int);
1010
1011 extern tree check_for_builtin (tree, tree);
1012 extern void initialize_builtins (void);
1013
1014 extern tree lookup_name (tree);
1015 extern bool special_method_p (tree);
1016 extern void maybe_rewrite_invocation (tree *, vec<tree, va_gc> **, tree *,
1017                                       tree *);
1018 extern tree build_known_method_ref (tree, tree, tree, tree, vec<tree, va_gc> *,
1019                                     tree);
1020 extern tree build_class_init (tree, tree);
1021 extern int attach_init_test_initialization_flags (void **, void *);
1022 extern tree build_invokevirtual (tree, tree, tree);
1023 extern tree build_invokeinterface (tree, tree);
1024 extern tree build_jni_stub (tree);
1025 extern tree invoke_build_dtable (int, vec<tree, va_gc> *);
1026 extern tree build_field_ref (tree, tree, tree);
1027 extern tree java_modify_addr_for_volatile (tree);
1028 extern void pushdecl_force_head (tree);
1029 extern tree build_java_binop (enum tree_code, tree, tree, tree);
1030 extern tree build_java_soft_divmod (enum tree_code, tree, tree, tree);
1031 extern tree binary_numeric_promotion (tree, tree, tree *, tree *);
1032 extern tree build_java_arrayaccess (tree, tree, tree);
1033 extern tree build_java_arraystore_check (tree, tree);
1034 extern tree build_newarray (int, tree);
1035 extern tree build_anewarray (tree, tree);
1036 extern tree build_new_array (tree, tree);
1037 extern tree build_java_array_length_access (tree);
1038 extern tree build_java_indirect_ref (tree, tree, int);
1039 extern tree java_check_reference (tree, int);
1040 extern tree build_get_class (tree);
1041 extern tree build_instanceof (tree, tree);
1042 extern tree create_label_decl (tree);
1043 extern tree prepare_eh_table_type (tree);
1044 extern void java_expand_catch_classes (tree);
1045 extern tree build_exception_object_ref (tree);
1046 extern tree generate_name (void);
1047 extern const char *lang_printable_name (tree, int);
1048 extern tree maybe_add_interface (tree, tree);
1049 extern void set_super_info (int, tree, tree, int);
1050 extern void set_class_decl_access_flags (int, tree);
1051 extern int get_access_flags_from_decl (tree);
1052 extern int interface_of_p (tree, tree);
1053 extern int inherits_from_p (tree, tree);
1054 extern int common_enclosing_context_p (tree, tree);
1055 extern int common_enclosing_instance_p (tree, tree);
1056 extern int enclosing_context_p (tree, tree);
1057 extern tree build_result_decl (tree);
1058 extern void set_method_index (tree decl, tree method_index);
1059 extern tree get_method_index (tree decl);
1060 extern void make_class_data (tree);
1061 extern int alloc_name_constant (int, tree);
1062 extern int alloc_constant_fieldref (tree, tree);
1063 extern void emit_register_classes (tree *);
1064 extern tree emit_symbol_table (tree, tree, vec<method_entry, va_gc> *,
1065                                tree, tree, int);
1066 extern void lang_init_source (int);
1067 extern void write_classfile (tree);
1068 extern char *print_int_node (tree);
1069 extern void finish_class (void);
1070 extern void check_for_initialization (tree, tree);
1071 extern struct CPool *cpool_for_class (tree);
1072 extern int find_class_or_string_constant (struct CPool *, int, tree);
1073
1074 extern tree pushdecl_top_level (tree);
1075 extern tree pushdecl_function_level (tree);
1076 extern tree java_replace_references (tree *, int *, void *);
1077 extern int alloc_class_constant (tree);
1078 extern void init_expr_processing (void);
1079 extern void push_super_field (tree, tree);
1080 extern void init_class_processing (void);
1081 extern void add_type_assertion (tree, int, tree, tree);
1082 extern int can_widen_reference_to (tree, tree);
1083 extern int class_depth (tree);
1084 extern int verify_jvm_instructions_new (struct JCF *, const unsigned char *,
1085                                         long);
1086 extern void maybe_pushlevels (int);
1087 extern void maybe_poplevels (int);
1088 extern void force_poplevels (int);
1089 extern int process_jvm_instruction (int, const unsigned char *, long);
1090 extern int maybe_adjust_start_pc (struct JCF *, int, int, int);
1091 extern void set_local_type (int, tree);
1092 extern int merge_type_state (tree);
1093 extern int push_type_0 (tree);
1094 extern void push_type (tree);
1095 extern void add_interface (tree, tree);
1096 extern tree java_create_object (tree);
1097 extern int verify_constant_pool (struct JCF *);
1098 extern void start_java_method (tree);
1099 extern void end_java_method (void);
1100 extern void give_name_to_locals (struct JCF *);
1101 extern void note_instructions (struct JCF *, tree);
1102 extern void expand_byte_code (struct JCF *, tree);
1103 extern int open_in_zip (struct JCF *, const char *, const char *, int);
1104 extern void set_constant_value (tree, tree);
1105 #ifdef jword
1106 extern int find_constant1 (struct CPool *, int, jword);
1107 extern int find_constant2 (struct CPool *, int, jword, jword);
1108 #endif
1109 extern int find_utf8_constant (struct CPool *, tree);
1110 extern int find_string_constant (struct CPool *, tree);
1111 extern int find_class_constant (struct CPool *, tree);
1112 extern int find_fieldref_index (struct CPool *, tree);
1113 extern int find_methodref_index (struct CPool *, tree);
1114 extern int find_methodref_with_class_index (struct CPool *, tree, tree);
1115 extern void write_constant_pool (struct CPool *, unsigned char *, int);
1116 extern int count_constant_pool_bytes (struct CPool *);
1117 extern int encode_newarray_type (tree);
1118 #ifdef uint64
1119 extern void format_int (char *, jlong, int);
1120 extern void format_uint (char *, uint64, int);
1121 #endif
1122 extern void jcf_trim_old_input (struct JCF *);
1123 #ifdef BUFSIZ
1124 extern void jcf_print_utf8 (FILE *, const unsigned char *, int);
1125 extern void jcf_print_char (FILE *, int);
1126 extern void jcf_print_utf8_replace (FILE *, const unsigned char *, int,
1127                                     int, int);
1128 extern const char* open_class (const char *, struct JCF *, int, const char *);
1129 #endif
1130 extern void java_debug_context (void);
1131 extern void safe_layout_class (tree);
1132
1133 extern tree get_boehm_type_descriptor (tree);
1134 extern bool uses_jv_markobj_p (tree);
1135 extern bool class_has_finalize_method (tree);
1136 extern void java_check_methods (tree);
1137
1138 extern void java_mangle_decl (tree);
1139 extern tree java_mangle_class_field (struct obstack *, tree);
1140 extern tree java_mangle_vtable (struct obstack *, tree);
1141 extern tree java_mangle_resource_name (const char *);
1142 extern void append_gpp_mangled_name (const char *, int);
1143
1144 extern void add_predefined_file (tree);
1145 extern int predefined_filename_p (tree);
1146
1147 extern tree decl_constant_value (tree);
1148
1149 extern void java_mark_class_local (tree);
1150
1151 extern void java_inlining_merge_static_initializers (tree, void *);
1152 extern void java_inlining_map_static_initializers (tree, void *);
1153
1154 extern void compile_resource_data (const char *name, const char *buffer, int);
1155 extern void compile_resource_file (const char *, const char *);
1156 extern void write_resource_constructor (tree *);
1157 extern tree build_java_empty_stmt (void);
1158 extern tree add_stmt_to_compound (tree, tree, tree);
1159 extern tree java_add_stmt (tree);
1160 extern tree java_add_local_var (tree decl);
1161 extern tree *get_stmts (void);
1162 extern void register_exception_range(struct eh_range *, int, int);
1163
1164 extern void finish_method (tree);
1165 extern void java_expand_body (tree);
1166
1167 extern int get_symbol_table_index (tree, tree, vec<method_entry, va_gc> **);
1168
1169 extern tree make_catch_class_record (tree, tree);
1170 extern tree emit_catch_table (tree);
1171
1172 extern void gen_indirect_dispatch_tables (tree type);
1173 extern int split_qualified_name (tree *left, tree *right, tree source);
1174 extern int in_same_package (tree, tree);
1175
1176 extern void java_read_sourcefilenames (const char *fsource_filename);
1177
1178 extern void rewrite_reflection_indexes (void *);
1179
1180 int cxx_keyword_p (const char *name, int length);
1181
1182 extern GTY(()) vec<tree, va_gc> *pending_static_fields;
1183
1184 extern void java_write_globals (void);
1185
1186 #define DECL_FINAL(DECL) DECL_LANG_FLAG_3 (DECL)
1187
1188 /* Access flags etc for a method (a FUNCTION_DECL): */
1189
1190 #define METHOD_DUMMY(DECL) (DECL_LANG_SPECIFIC (DECL)->u.f.dummy)
1191
1192 #define METHOD_PUBLIC(DECL) DECL_LANG_FLAG_1 (FUNCTION_DECL_CHECK (DECL))
1193 #define METHOD_PRIVATE(DECL) TREE_PRIVATE (FUNCTION_DECL_CHECK (DECL))
1194 #define METHOD_PROTECTED(DECL) TREE_PROTECTED (FUNCTION_DECL_CHECK (DECL))
1195 #define METHOD_STATIC(DECL) DECL_LANG_FLAG_2 (FUNCTION_DECL_CHECK (DECL))
1196 #define METHOD_FINAL(DECL) DECL_FINAL (FUNCTION_DECL_CHECK (DECL))
1197 #define METHOD_SYNCHRONIZED(DECL) DECL_LANG_FLAG_4 (FUNCTION_DECL_CHECK (DECL))
1198 #define METHOD_NATIVE(DECL) \
1199   (DECL_LANG_SPECIFIC (FUNCTION_DECL_CHECK (DECL))->u.f.native)
1200 #define METHOD_ABSTRACT(DECL) DECL_LANG_FLAG_5 (FUNCTION_DECL_CHECK (DECL))
1201 #define METHOD_STRICTFP(DECL) \
1202   (DECL_LANG_SPECIFIC (FUNCTION_DECL_CHECK (DECL))->u.f.strictfp)
1203 #define METHOD_INVISIBLE(DECL) \
1204   (DECL_LANG_SPECIFIC (FUNCTION_DECL_CHECK (DECL))->u.f.invisible)
1205 #define METHOD_BRIDGE(DECL) \
1206   (DECL_LANG_SPECIFIC (FUNCTION_DECL_CHECK (DECL))->u.f.bridge)
1207 #define METHOD_VARARGS(DECL) \
1208   (DECL_LANG_SPECIFIC (FUNCTION_DECL_CHECK (DECL))->u.f.varargs)
1209
1210 #define CLASS_FILE_P(NODE) TREE_LANG_FLAG_3 (NODE)
1211
1212 /* Other predicates on method decls  */
1213
1214 #define DECL_CONSTRUCTOR_P(DECL) DECL_LANG_FLAG_7 (FUNCTION_DECL_CHECK (DECL))
1215
1216 #define DECL_INIT_P(DECL)   (ID_INIT_P (DECL_NAME (DECL)))
1217 #define DECL_CLINIT_P(DECL) (ID_CLINIT_P (DECL_NAME (DECL)))
1218
1219 /* Predicates on method identifiers. Kept close to other macros using
1220    them  */
1221 #define ID_INIT_P(ID)   ((ID) == init_identifier_node)
1222 #define ID_CLINIT_P(ID) ((ID) == clinit_identifier_node)
1223
1224 /* Access flags etc for variable/field (FIELD_DECL, VAR_DECL, or PARM_DECL): */
1225
1226 #define FIELD_PRIVATE(DECL)     TREE_PRIVATE (VAR_OR_FIELD_CHECK (DECL))
1227 #define FIELD_PROTECTED(DECL)   TREE_PROTECTED (VAR_OR_FIELD_CHECK (DECL))
1228 #define FIELD_PUBLIC(DECL)      DECL_LANG_FLAG_1 (VAR_OR_FIELD_CHECK (DECL))
1229 #define FIELD_STATIC(DECL)      TREE_STATIC (VAR_OR_FIELD_CHECK (DECL))
1230 #define FIELD_FINAL(DECL)       DECL_FINAL (VAR_OR_FIELD_CHECK (DECL))
1231 #define FIELD_VOLATILE(DECL)    DECL_LANG_FLAG_4 (VAR_OR_FIELD_CHECK (DECL))
1232 #define FIELD_TRANSIENT(DECL)   DECL_LANG_FLAG_5 (VAR_OR_FIELD_CHECK (DECL))
1233
1234 /* Access flags etc for a class (a TYPE_DECL): */
1235
1236 #define CLASS_PUBLIC(DECL)      DECL_LANG_FLAG_1 (TYPE_DECL_CHECK (DECL))
1237 #define CLASS_FINAL(DECL)       DECL_FINAL (TYPE_DECL_CHECK (DECL))
1238 #define CLASS_INTERFACE(DECL)   DECL_LANG_FLAG_4 (TYPE_DECL_CHECK (DECL))
1239 #define CLASS_ABSTRACT(DECL)    DECL_LANG_FLAG_5 (TYPE_DECL_CHECK (DECL))
1240 #define CLASS_SUPER(DECL)       DECL_LANG_FLAG_6 (TYPE_DECL_CHECK (DECL))
1241 #define CLASS_STATIC(DECL)      DECL_LANG_FLAG_7 (TYPE_DECL_CHECK (DECL))
1242 #define CLASS_PRIVATE(DECL)     (TYPE_PRIVATE_INNER_CLASS (TREE_TYPE (DECL)))
1243 #define CLASS_PROTECTED(DECL)   (TYPE_PROTECTED_INNER_CLASS (TREE_TYPE (DECL)))
1244 #define CLASS_STRICTFP(DECL)    (TYPE_STRICTFP (TREE_TYPE (DECL)))
1245 #define CLASS_ENUM(DECL)        (TYPE_ENUM (TREE_TYPE (DECL)))
1246 #define CLASS_USES_ASSERTIONS(DECL) (TYPE_USES_ASSERTIONS (TREE_TYPE (DECL)))
1247 #define CLASS_SYNTHETIC(DECL)   (TYPE_SYNTHETIC (TREE_TYPE (DECL)))
1248 #define CLASS_ANNOTATION(DECL)  (TYPE_ANNOTATION (TREE_TYPE (DECL)))
1249
1250 /* @deprecated marker flag on methods, fields and classes */
1251
1252 #define METHOD_DEPRECATED(DECL) DECL_LANG_FLAG_0 (DECL)
1253 #define FIELD_DEPRECATED(DECL) DECL_LANG_FLAG_0 (DECL)
1254 #define CLASS_DEPRECATED(DECL) DECL_LANG_FLAG_0 (DECL)
1255 #define DECL_DEPRECATED(DECL) DECL_LANG_FLAG_0 (DECL)
1256
1257 /* The number of virtual methods in this class's dispatch table.
1258    Does not include initial two dummy entries (one points to the
1259    Class object, and the other is for G++ -fvtable-thunks compatibility). */
1260 #define TYPE_NVIRTUALS(TYPE) BINFO_VIRTUALS (TYPE_BINFO (TYPE))
1261
1262 /* A TREE_VEC (indexed by DECL_VINDEX) containing this class's
1263    virtual methods. */
1264 #define TYPE_VTABLE(TYPE) BINFO_VTABLE(TYPE_BINFO (TYPE))
1265
1266 /* Use CLASS_LOADED_P? FIXME */
1267 #define CLASS_COMPLETE_P(DECL) DECL_LANG_FLAG_2 (DECL)
1268
1269 /* A vector used to track type states for the current method.  */
1270 extern vec<tree, va_gc> *type_states;
1271
1272 /* This maps a bytecode offset (PC) to various flags,
1273    listed below (starting with BCODE_). */
1274 extern char *instruction_bits;
1275
1276 /* True iff the byte is the start of an instruction. */
1277 #define BCODE_INSTRUCTION_START 1
1278
1279 /* True iff there is a jump or a return to this location. */
1280 #define BCODE_JUMP_TARGET 2
1281
1282 /* True iff this is the start of an exception handler. */
1283 #define BCODE_EXCEPTION_TARGET 16
1284
1285 /* True iff there is a jump to this location (and it needs a label). */
1286 #define BCODE_TARGET (BCODE_JUMP_TARGET| BCODE_EXCEPTION_TARGET)
1287
1288 /* True iff there is an entry in the linenumber table for this location. */
1289 #define BCODE_HAS_LINENUMBER 32
1290
1291 /* True iff there is more than one entry in the linenumber table for
1292    this location.  (This probably does not make much sense.)  */
1293 #define BCODE_HAS_MULTI_LINENUMBERS 64
1294
1295 /* True if this instruction has been verified. */
1296 #define BCODE_VERIFIED 8
1297
1298 /* A pointer to the line number table of the current method. */
1299 extern const unsigned char *linenumber_table;
1300 /* The length (in items) of the line number table. */
1301 extern int linenumber_count;
1302
1303 /* In type_map, means the second half of a 64-bit double or long. */
1304 #define TYPE_SECOND void_type_node
1305
1306 /* In type_map, means the null type (i.e. type of a null reference). */
1307 #define TYPE_NULL ptr_type_node
1308
1309 /* In a type map means the type the address subroutine return address. */
1310 #define TYPE_RETURN_ADDR return_address_type_node
1311
1312 /* A array mapping variable/stack slot index to the type current
1313    in that variable/stack slot.
1314    TYPE_SECOND and TYPE_NULL are special cases. */
1315 extern tree *type_map;
1316
1317 /* Map a stack index to the type currently in that slot. */
1318 #define stack_type_map (type_map + DECL_MAX_LOCALS (current_function_decl))
1319
1320 /* True iff TYPE takes two variable/stack slots. */
1321 #define TYPE_IS_WIDE(TYPE) \
1322   ((TYPE) == double_type_node || (TYPE) == long_type_node)
1323
1324 /* True iff TYPE is a Java array type. */
1325 #define TYPE_ARRAY_P(TYPE) TYPE_LANG_FLAG_1 (TYPE)
1326
1327 /* True for an INDIRECT_REF created from a 'ARRAY.length' operation. */
1328 #define IS_ARRAY_LENGTH_ACCESS(NODE) TREE_LANG_FLAG_4 (NODE)
1329
1330 /* If FUNCTION_TYPE or METHOD_TYPE: cache for build_java_argument_signature. */
1331 #define TYPE_ARGUMENT_SIGNATURE(TYPE) \
1332   (TYPE_MINVAL (TREE_CHECK2 (TYPE, FUNCTION_TYPE, METHOD_TYPE)))
1333
1334 /* Given an array type, give the type of the elements. */
1335 /* FIXME this use of TREE_TYPE conflicts with something or other. */
1336 #define TYPE_ARRAY_ELEMENT(ATYPE) TREE_TYPE (ATYPE)
1337
1338 /* True if class TYPE has been loaded (i.e. parsed plus laid out).
1339    (The check for CLASS_PARSED_P is needed because of Object and Class.) */
1340 #define CLASS_LOADED_P(TYPE) (TYPE_SIZE (TYPE) != NULL_TREE \
1341                               && (CLASS_PARSED_P(TYPE) || TYPE_ARRAY_P(TYPE)))
1342
1343 /* True if class TYPE has been parsed (first pass). */
1344 #define CLASS_PARSED_P(TYPE) TYPE_LANG_FLAG_2 (TYPE)
1345
1346 /* True of a RECORD_TYPE of a class/interface type (not array type) */
1347 #define CLASS_P(TYPE) TYPE_LANG_FLAG_4 (TYPE)
1348
1349 /* True if class TYPE was requested (on command line) to be compiled.*/
1350 #define CLASS_FROM_CURRENTLY_COMPILED_P(TYPE) TYPE_LANG_FLAG_5 (TYPE)
1351
1352 /* True if class TYPE is currently being laid out. Helps in detection
1353    of inheritance cycle occurring as a side effect of performing the
1354    layout of a class.  */
1355 #define CLASS_BEING_LAIDOUT(TYPE) TYPE_LANG_FLAG_6 (TYPE)
1356
1357 /* True if ID is a qualified named (contains . or /) */
1358 #define QUALIFIED_P(ID) TREE_LANG_FLAG_2 (ID)
1359
1360 /* True if ID is a command-line specified filename */
1361 #define IS_A_COMMAND_LINE_FILENAME_P(ID) TREE_LANG_FLAG_4 (ID)
1362
1363 /* True if filename ID has already been parsed */
1364 #define HAS_BEEN_ALREADY_PARSED_P(ID) TREE_LANG_FLAG_5 (ID)
1365
1366 /* True if TYPE (a TREE_TYPE denoting a class type) was found to
1367    feature a finalizer method. */
1368 #define HAS_FINALIZER_P(EXPR) TREE_LANG_FLAG_3 (EXPR)
1369
1370 /* True if NODE belongs to an inner class TYPE_DECL node.
1371    Verifies that NODE as the attributes of a decl.  */
1372 #define INNER_CLASS_DECL_P(NODE) (TYPE_NAME (TREE_TYPE (NODE)) == NODE  \
1373                                   && DECL_CONTEXT (NODE))
1374
1375 /* True if NODE belongs to an inner class RECORD_TYPE node. Checks
1376    that TYPE_NAME bears a decl. An array type wouldn't.  */
1377 #define INNER_CLASS_TYPE_P(NODE) (TREE_CODE (TYPE_NAME (NODE)) == TYPE_DECL \
1378                                   && DECL_CONTEXT (TYPE_NAME (NODE)))
1379
1380 /* True if the class type NODE was declared in an inner scope and is
1381    not a toplevel class */
1382 #define PURE_INNER_CLASS_TYPE_P(NODE) \
1383   (INNER_CLASS_TYPE_P (NODE) && !CLASS_STATIC (TYPE_NAME (NODE)))
1384
1385 /* True if NODE (a TYPE_DECL or a RECORD_TYPE) is an inner class.  */
1386 #define INNER_CLASS_P(NODE) (TREE_CODE (NODE) == TYPE_DECL ?                  \
1387                              INNER_CLASS_DECL_P (NODE) :                      \
1388                              (TREE_CODE (NODE) == RECORD_TYPE ?               \
1389                               INNER_CLASS_TYPE_P (NODE) :                     \
1390                               (abort (), 0)))
1391
1392 /* On a TYPE_DECL, hold the list of inner classes defined within the
1393    scope of TYPE_DECL.  */
1394 #define DECL_INNER_CLASS_LIST(NODE) DECL_INITIAL (TYPE_DECL_CHECK (NODE))
1395
1396 /* Add a FIELD_DECL to RECORD_TYPE RTYPE.
1397    The field has name NAME (a char*), a type FTYPE, and a location of LOC.
1398    Unless this is the first field, FIELD most hold the previous field.
1399    FIELD is set to the newly created FIELD_DECL.
1400
1401    We set DECL_ARTIFICIAL so these fields get skipped by make_class_data
1402    if compiling java.lang.Object or java.lang.Class. */
1403
1404 #define PUSH_FIELD(LOC, RTYPE, FIELD, NAME, FTYPE) \
1405 { tree _field = build_decl (LOC, FIELD_DECL, get_identifier ((NAME)), (FTYPE)); \
1406   if (TYPE_FIELDS (RTYPE) == NULL_TREE) \
1407     TYPE_FIELDS (RTYPE) = _field;       \
1408   else                                  \
1409     DECL_CHAIN(FIELD) = _field;         \
1410   DECL_CONTEXT (_field) = (RTYPE);      \
1411   DECL_ARTIFICIAL (_field) = 1;         \
1412   FIELD = _field; }
1413
1414 #define FINISH_RECORD(RTYPE) layout_type (RTYPE)
1415
1416 /* Start building a RECORD_TYPE constructor's elements in V.  The
1417    constructor will have type CTYPE.  */
1418 #define START_RECORD_CONSTRUCTOR(V, CTYPE) \
1419   do \
1420     { \
1421       vec_alloc (V, 0); \
1422       CONSTRUCTOR_APPEND_ELT (V, TYPE_FIELDS (CTYPE), NULL); \
1423     } \
1424   while (0)
1425
1426 /* Append a field initializer to V for the dummy field for the inherited
1427    fields.  The dummy field has the given VALUE, and the same type as the
1428    super-class.   Must be specified before calls to PUSH_FIELD_VALUE. */
1429 #define PUSH_SUPER_VALUE(V, VALUE) \
1430   do \
1431     { \
1432       constructor_elt *_elt___ = &(V)->last (); \
1433       tree _next___ = DECL_CHAIN (_elt___->index); \
1434       gcc_assert (!DECL_NAME (_elt___->index)); \
1435       _elt___->value = VALUE; \
1436       CONSTRUCTOR_APPEND_ELT (V, _next___, NULL); \
1437     } \
1438   while (0)
1439
1440 /* Append a field initializer to V for a field with the given VALUE.
1441    NAME is a char* string used for error checking;
1442    the initializer must be specified in order. */
1443 #define PUSH_FIELD_VALUE(V, NAME, VALUE)                                \
1444   do \
1445     { \
1446       constructor_elt *_elt___ = &(V)->last (); \
1447       tree _next___ = DECL_CHAIN (_elt___->index); \
1448       gcc_assert (strcmp (IDENTIFIER_POINTER (DECL_NAME (_elt___->index)), \
1449                           NAME) == 0); \
1450       _elt___->value = VALUE; \
1451       CONSTRUCTOR_APPEND_ELT (V, _next___, NULL); \
1452     } \
1453   while (0)
1454
1455 /* Finish creating a record CONSTRUCTOR CONS with type CTYPE and elements V.  */
1456 #define FINISH_RECORD_CONSTRUCTOR(CONS, V, CTYPE)        \
1457   do \
1458     { \
1459       V->pop (); \
1460       CONS = build_constructor (CTYPE, V); \
1461       TREE_CONSTANT (CONS) = 0; \
1462     } \
1463   while (0)
1464
1465 #define BLOCK_EXPR_DECLS(NODE)  BLOCK_VARS(NODE)
1466 #define BLOCK_EXPR_BODY(NODE)   BLOCK_SUBBLOCKS(NODE)
1467
1468 #define BUILD_MONITOR_ENTER(WHERE, ARG)                                 \
1469   {                                                                     \
1470     (WHERE) = build_call_nary (int_type_node,                           \
1471                                build_address_of (soft_monitorenter_node), \
1472                                1, (ARG));                               \
1473     TREE_SIDE_EFFECTS (WHERE) = 1;                                      \
1474   }
1475
1476 #define BUILD_MONITOR_EXIT(WHERE, ARG)                                  \
1477   {                                                                     \
1478     (WHERE) = build_call_nary (int_type_node,                           \
1479                                build_address_of (soft_monitorexit_node), \
1480                                1, (ARG));                               \
1481     TREE_SIDE_EFFECTS (WHERE) = 1;                                      \
1482   }
1483
1484 /* True when we can perform static class initialization optimization */
1485 #define STATIC_CLASS_INIT_OPT_P() \
1486   (flag_optimize_sci && (optimize >= 2))
1487
1488 /* These are the possible values for the `state' field of the class
1489    structure.  This must be kept in sync with libgcj.  */
1490 enum
1491 {
1492   JV_STATE_NOTHING = 0,         /* Set by compiler.  */
1493
1494   JV_STATE_PRELOADING = 1,      /* Can do _Jv_FindClass.  */
1495   JV_STATE_LOADING = 3,         /* Has super installed.  */
1496   JV_STATE_READ = 4,            /* Has been completely defined.  */
1497   JV_STATE_LOADED = 5,          /* Has Miranda methods defined.  */
1498
1499   JV_STATE_COMPILED = 6,        /* This was a compiled class.  */
1500
1501   JV_STATE_PREPARED = 7,        /* Layout & static init done.  */
1502   JV_STATE_LINKED = 9,          /* Strings interned.  */
1503
1504   JV_STATE_IN_PROGRESS = 10,    /* <Clinit> running.  */
1505   JV_STATE_ERROR = 12,
1506
1507   JV_STATE_DONE = 14            /* Must be last.  */
1508 };
1509
1510 #undef DEBUG_JAVA_BINDING_LEVELS
1511
1512 extern void java_genericize (tree);
1513 extern int java_gimplify_expr (tree *, gimple_seq *, gimple_seq *);
1514
1515 extern FILE *finput;
1516
1517 #endif /* ! GCC_JAVA_TREE_H */