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, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
   4    2005, 2006, 2007, 2008, 2010 Free Software Foundation, Inc.
   5
   6 This file is part of GCC.
   7
   8 GCC is free software; you can redistribute it and/or modify
   9 it under the terms of the GNU General Public License as published by
  10 the Free Software Foundation; either version 3, or (at your option)
  11 any later version.
  12
  13 GCC is distributed in the hope that it will be useful,
  14 but WITHOUT ANY WARRANTY; without even the implied warranty of
  15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16 GNU General Public License for more details.
  17
  18 You should have received a copy of the GNU General Public License
  19 along with GCC; see the file COPYING3.  If not see
  20 <http://www.gnu.org/licenses/>.
  21
  22 Java and all Java-based marks are trademarks or registered trademarks
  23 of Sun Microsystems, Inc. in the United States and other countries.
  24 The Free Software Foundation is independent of Sun Microsystems, Inc.  */
  25
  26 /* Hacked by Per Bothner <bothner@cygnus.com> February 1996. */
  27
  28 #ifndef GCC_JAVA_TREE_H
  29 #define GCC_JAVA_TREE_H
  30
  31 #include "hashtab.h"
  32
  33 struct JCF;
  34
  35 /* Usage of TREE_LANG_FLAG_?:
  36    2: QUALIFIED_P (in IDENTIFIER_NODE)
  37       CLASS_FILE_P (in a TRANSLATION_UNIT_DECL in current_file_list)
  38    3: HAS_FINALIZER (in RECORD_TYPE)
  39    4: IS_A_COMMAND_LINE_FILENAME_P (in IDENTIFIER_NODE)
  40       IS_ARRAY_LENGTH_ACCESS (in INDIRECT_REF)
  41    5: HAS_BEEN_ALREADY_PARSED_P (in IDENTIFIER_NODE)
  42
  43    Usage of TYPE_LANG_FLAG_?:
  44    1: TYPE_ARRAY_P (in RECORD_TYPE).
  45    2: CLASS_PARSED_P (in RECORD_TYPE).
  46    4: CLASS_P (in RECORD_TYPE).
  47    5: CLASS_FROM_CURRENTLY_COMPILED_P (in RECORD_TYPE)
  48    6: CLASS_BEING_LAIDOUT (in RECORD_TYPE)
  49
  50    Usage of DECL_LANG_FLAG_?:
  51    0: METHOD_DEPRECATED (in FUNCTION_DECL).
  52       FIELD_DEPRECATED (in FIELD_DECL).
  53       CLASS_DEPRECATED (in TYPE_DECL).
  54    1: METHOD_PUBLIC (in FUNCTION_DECL).
  55       FIELD_PUBLIC (in FIELD_DECL).
  56       CLASS_PUBLIC (in TYPE_DECL).
  57    2: METHOD_STATIC (in FUNCTION_DECL).
  58       (But note that FIELD_STATIC uses TREE_STATIC!)
  59       FIELD_SYNTHETIC (in FIELD_DECL)
  60       CLASS_COMPLETE_P (in TYPE_DECL)
  61    3: METHOD_FINAL (in FUNCTION_DECL)
  62       FIELD_FINAL (in FIELD_DECL)
  63       CLASS_FINAL (in TYPE_DECL)
  64       DECL_FINAL (in any decl)
  65    4: METHOD_SYNCHRONIZED (in FUNCTION_DECL).
  66       CLASS_INTERFACE (in TYPE_DECL)
  67       FIELD_VOLATILE (int FIELD_DECL)
  68    5: METHOD_ABSTRACT (in FUNCTION_DECL).
  69       CLASS_ABSTRACT (in TYPE_DECL)
  70       FIELD_TRANSIENT (in FIELD_DECL)
  71    6: CLASS_SUPER (in TYPE_DECL, ACC_SUPER flag)
  72    7: DECL_CONSTRUCTOR_P (in FUNCTION_DECL).
  73       CLASS_STATIC (in TYPE_DECL)
  74 */
  75
  76 #define VAR_OR_FIELD_CHECK(DECL) \
  77   TREE_CHECK3 (DECL, FIELD_DECL, VAR_DECL, PARM_DECL)
  78
  79 /* True if the class whose TYPE_BINFO this is has a superclass.
  80    (True of all classes except Object.) */
  81 #define CLASS_HAS_SUPER_FLAG(BINFO) BINFO_FLAG_1 (BINFO)
  82 #define CLASS_HAS_SUPER(TYPE) \
  83   (TYPE_BINFO (TYPE) && CLASS_HAS_SUPER_FLAG (TYPE_BINFO (TYPE)))
  84
  85 /* Return the supertype of class TYPE, or NULL_TREE is it has none. */
  86 #define CLASSTYPE_SUPER(TYPE) (CLASS_HAS_SUPER (TYPE) \
  87   ? BINFO_TYPE (BINFO_BASE_BINFO (TYPE_BINFO (TYPE), 0)) \
  88   : NULL_TREE)
  89
  90 /* The class defined by the actual (main) file we are compiling. */
  91 #define main_class \
  92   java_global_trees[JTI_MAIN_CLASS]
  93
  94 /* The class we use as the base for name resolution.  It's usually the
  95    class we're generating code for but sometimes it points to an inner
  96    class.  If you really want to know the class we're currently
  97    generating code for, use output_class instead.  */
  98 #define current_class \
  99   java_global_trees[JTI_CURRENT_CLASS]
 100
 101 /* The class we are currently generating.  Really.  */
 102 #define output_class \
 103   java_global_trees[JTI_OUTPUT_CLASS]
 104
 105 /* List of virtual decls referred to by this translation unit, used to
 106    generate virtual method offset symbol table.  */
 107
 108 /* The virtual offset table.  This is emitted as uninitialized data of
 109    the required length, and filled out at run time during class
 110    linking. */
 111
 112 /* The virtual offset symbol table. Used by the runtime to fill out
 113    the otable. */
 114
 115 /* Resource name.  */
 116 extern const char *resource_name;
 117
 118 /* Turned to 1 if -Wall was encountered. See lang.c for their meanings.  */
 119 extern int flag_wall;
 120
 121 /* The Java .class file that provides main_class;  the main input file. */
 122 extern GTY(()) struct JCF * current_jcf;
 123
 124 /* Set to nonzero value in order to emit class initialization code
 125    before static field references.  */
 126 extern int always_initialize_class_p;
 127
 128 extern int flag_verify_invocations;
 129
 130 /* Largest pc so far in this method that has been passed to lookup_label. */
 131 extern int highest_label_pc_this_method;
 132
 133 /* Base value for this method to add to pc to get generated label. */
 134 extern int start_label_pc_this_method;
 135
 136 typedef struct CPool constant_pool;
 137
 138 #define CONSTANT_ResolvedFlag 16
 139
 140 /* Don't eagerly resolve this entry.  When this flag is set, constant
 141    pool entries are resolved only at runtime when the entry is first
 142    referred to.  */
 143 #define CONSTANT_LazyFlag 32
 144
 145 /* The cpool->data[i] for a ResolvedString points to a STRING_CST. */
 146 #define CONSTANT_ResolvedString    (CONSTANT_String+CONSTANT_ResolvedFlag)
 147
 148 /* The cpool->data[i] for a ResolvedClass points to a RECORD_TYPE. */
 149 #define CONSTANT_ResolvedClass     (CONSTANT_Class+CONSTANT_ResolvedFlag)
 150
 151 #define CPOOL_UTF(CPOOL, INDEX) ((CPOOL)->data[INDEX].t)
 152
 153 /* A NameAndType constant is represented as a TREE_LIST.
 154    The type is the signature string (as an IDENTIFIER_NODE).  */
 155
 156 #define NAME_AND_TYPE_NAME(CPOOL, IDX) \
 157   CPOOL_UTF(CPOOL, CPOOL_USHORT1(CPOOL, IDX))
 158 #define NAME_AND_TYPE_SIGNATURE(CPOOL, IDX) \
 159   CPOOL_UTF(CPOOL, CPOOL_USHORT2(CPOOL, IDX))
 160
 161 /* A FieldRef, MethodRef or InterfaceMethodRef constant
 162    is represented as a TREE_LIST. */
 163
 164 #define COMPONENT_REF_CLASS_INDEX(CPOOL, IDX) CPOOL_USHORT1(CPOOL, IDX)
 165 #define COMPONENT_REF_NAME_AND_TYPE(CPOOL, IDX) CPOOL_USHORT2(CPOOL, IDX)
 166 #define COMPONENT_REF_NAME(CPOOL, IDX) \
 167   NAME_AND_TYPE_NAME (CPOOL, COMPONENT_REF_NAME_AND_TYPE(CPOOL, IDX))
 168 #define COMPONENT_REF_SIGNATURE(CPOOL, IDX) \
 169   NAME_AND_TYPE_SIGNATURE (CPOOL, COMPONENT_REF_NAME_AND_TYPE(CPOOL, IDX))
 170
 171 extern GTY(()) tree java_lang_cloneable_identifier_node;
 172 extern GTY(()) tree java_io_serializable_identifier_node;
 173 extern GTY(()) tree gcj_abi_version;
 174
 175 /* The decl for the .constants field of an instance of Class.  */
 176 extern GTY(()) tree constants_field_decl_node;
 177
 178 /* The decl for the .data field of an instance of Class.  */
 179 extern GTY(()) tree constants_data_field_decl_node;
 180
 181 enum java_tree_index
 182 {
 183   JTI_PROMOTED_BYTE_TYPE_NODE,
 184   JTI_PROMOTED_SHORT_TYPE_NODE,
 185   JTI_PROMOTED_CHAR_TYPE_NODE,
 186   JTI_PROMOTED_BOOLEAN_TYPE_NODE,
 187
 188   JTI_BYTE_TYPE_NODE,
 189   JTI_SHORT_TYPE_NODE,
 190   JTI_INT_TYPE_NODE,
 191   JTI_LONG_TYPE_NODE,
 192
 193   JTI_UNSIGNED_BYTE_TYPE_NODE,
 194   JTI_UNSIGNED_SHORT_TYPE_NODE,
 195   JTI_UNSIGNED_INT_TYPE_NODE,
 196   JTI_UNSIGNED_LONG_TYPE_NODE,
 197
 198   JTI_DECIMAL_INT_MAX_NODE,
 199   JTI_DECIMAL_LONG_MAX_NODE,
 200
 201   JTI_OBJECT_TYPE_NODE,
 202   JTI_UNQUALIFIED_OBJECT_ID_NODE,
 203   JTI_OBJECT_PTR_TYPE_NODE,
 204   JTI_STRING_TYPE_NODE,
 205   JTI_STRING_PTR_TYPE_NODE,
 206   JTI_THROWABLE_TYPE_NODE,
 207   JTI_EXCEPTION_TYPE_NODE,
 208   JTI_RUNTIME_EXCEPTION_TYPE_NODE,
 209   JTI_ERROR_EXCEPTION_TYPE_NODE,
 210   JTI_RAWDATA_PTR_TYPE_NODE,
 211
 212   JTI_BYTE_ARRAY_TYPE_NODE,
 213   JTI_SHORT_ARRAY_TYPE_NODE,
 214   JTI_INT_ARRAY_TYPE_NODE,
 215   JTI_LONG_ARRAY_TYPE_NODE,
 216   JTI_BOOLEAN_ARRAY_TYPE_NODE,
 217   JTI_CHAR_ARRAY_TYPE_NODE,
 218   JTI_DOUBLE_ARRAY_TYPE_NODE,
 219   JTI_FLOAT_ARRAY_TYPE_NODE,
 220   JTI_ARRAY_ARRAY_TYPE_NODE,
 221   JTI_OBJECT_ARRAY_TYPE_NODE,
 222   JTI_STRING_ARRAY_TYPE_NODE,
 223   JTI_BOOLEAN_ARRAY_VTABLE,
 224   JTI_BYTE_ARRAY_VTABLE,
 225   JTI_CHAR_ARRAY_VTABLE,
 226   JTI_SHORT_ARRAY_VTABLE,
 227   JTI_INT_ARRAY_VTABLE,
 228   JTI_LONG_ARRAY_VTABLE,
 229   JTI_FLOAT_ARRAY_VTABLE,
 230   JTI_DOUBLE_ARRAY_VTABLE,
 231   JTI_TYPE_IDENTIFIER_NODE,
 232   JTI_INIT_IDENTIFIER_NODE,
 233   JTI_CLINIT_IDENTIFIER_NODE,
 234   JTI_VOID_SIGNATURE_NODE,
 235   JTI_FINALIZE_IDENTIFIER_NODE,
 236   JTI_THIS_IDENTIFIER_NODE,
 237   JTI_ONE_ELT_ARRAY_DOMAIN_TYPE,
 238
 239   JTI_RETURN_ADDRESS_TYPE_NODE,
 240
 241   JTI_LONG_ZERO_NODE,
 242   JTI_FLOAT_ZERO_NODE,
 243   JTI_DOUBLE_ZERO_NODE,
 244   JTI_INTEGER_TWO_NODE,
 245   JTI_INTEGER_FOUR_NODE,
 246
 247   JTI_METHODTABLE_TYPE,
 248   JTI_METHODTABLE_PTR_TYPE,
 249
 250   JTI_UTF8CONST_TYPE,
 251   JTI_UTF8CONST_PTR_TYPE,
 252
 253   JTI_CLASS_TYPE_NODE,
 254   JTI_CLASS_PTR_TYPE,
 255   JTI_FIELD_TYPE_NODE,
 256   JTI_CONSTANTS_TYPE_NODE,
 257   JTI_DTABLE_TYPE,
 258   JTI_DTABLE_PTR_TYPE,
 259   JTI_FIELD_PTR_TYPE_NODE,
 260   JTI_FIELD_INFO_UNION_NODE,
 261   JTI_EXCEPTION_TYPE,
 262   JTI_EXCEPTION_PTR_TYPE,
 263   JTI_LINENUMBERENTRY_TYPE,
 264   JTI_LINENUMBERS_TYPE,
 265   JTI_METHOD_TYPE_NODE,
 266   JTI_METHOD_PTR_TYPE_NODE,
 267   JTI_OTABLE_TYPE,
 268   JTI_OTABLE_PTR_TYPE,
 269   JTI_ATABLE_TYPE,
 270   JTI_ATABLE_PTR_TYPE,
 271   JTI_ITABLE_TYPE,
 272   JTI_ITABLE_PTR_TYPE,
 273   JTI_SYMBOL_TYPE,
 274   JTI_SYMBOLS_ARRAY_TYPE,
 275   JTI_SYMBOLS_ARRAY_PTR_TYPE,
 276   JTI_ASSERTION_ENTRY_TYPE,
 277   JTI_ASSERTION_TABLE_TYPE,
 278
 279   JTI_END_PARAMS_NODE,
 280
 281   JTI_THROW_NODE,
 282   JTI_ALLOC_OBJECT_NODE,
 283   JTI_ALLOC_NO_FINALIZER_NODE,
 284   JTI_SOFT_INSTANCEOF_NODE,
 285   JTI_SOFT_CHECKCAST_NODE,
 286   JTI_SOFT_INITCLASS_NODE,
 287   JTI_SOFT_NEWARRAY_NODE,
 288   JTI_SOFT_ANEWARRAY_NODE,
 289   JTI_SOFT_MULTIANEWARRAY_NODE,
 290   JTI_SOFT_BADARRAYINDEX_NODE,
 291   JTI_SOFT_NULLPOINTER_NODE,
 292   JTI_SOFT_ABSTRACTMETHOD_NODE,
 293   JTI_SOFT_NOSUCHFIELD_NODE,
 294   JTI_SOFT_CHECKARRAYSTORE_NODE,
 295   JTI_SOFT_MONITORENTER_NODE,
 296   JTI_SOFT_MONITOREXIT_NODE,
 297   JTI_SOFT_LOOKUPINTERFACEMETHOD_NODE,
 298   JTI_SOFT_LOOKUPINTERFACEMETHODBYNAME_NODE,
 299   JTI_SOFT_LOOKUPJNIMETHOD_NODE,
 300   JTI_SOFT_GETJNIENVNEWFRAME_NODE,
 301   JTI_SOFT_JNIPOPSYSTEMFRAME_NODE,
 302   JTI_SOFT_UNWRAPJNI_NODE,
 303   JTI_SOFT_FMOD_NODE,
 304   JTI_SOFT_IDIV_NODE,
 305   JTI_SOFT_IREM_NODE,
 306   JTI_SOFT_LDIV_NODE,
 307   JTI_SOFT_LREM_NODE,
 308
 309   JTI_ACCESS_FLAGS_TYPE_NODE,
 310
 311   JTI_NATIVECODE_PTR_ARRAY_TYPE_NODE,
 312
 313   JTI_MAIN_CLASS,
 314   JTI_CURRENT_CLASS,
 315   JTI_OUTPUT_CLASS,
 316
 317   JTI_MAX
 318 };
 319
 320 extern GTY(()) tree java_global_trees[JTI_MAX];
 321
 322 /* "Promoted types" that are used for primitive types smaller
 323    than int.  We could use int_type_node, but then we would lose
 324    type information (such as needed for debugging). */
 325 #define promoted_byte_type_node \
 326   java_global_trees[JTI_PROMOTED_BYTE_TYPE_NODE]
 327 #define promoted_short_type_node \
 328   java_global_trees[JTI_PROMOTED_SHORT_TYPE_NODE]
 329 #define promoted_char_type_node \
 330   java_global_trees[JTI_PROMOTED_CHAR_TYPE_NODE]
 331 #define promoted_boolean_type_node \
 332   java_global_trees[JTI_PROMOTED_BOOLEAN_TYPE_NODE]
 333
 334 #define byte_type_node \
 335   java_global_trees[JTI_BYTE_TYPE_NODE]
 336 #define short_type_node \
 337   java_global_trees[JTI_SHORT_TYPE_NODE]
 338 #define int_type_node \
 339   java_global_trees[JTI_INT_TYPE_NODE]
 340 #define long_type_node \
 341   java_global_trees[JTI_LONG_TYPE_NODE]
 342
 343 #define unsigned_byte_type_node \
 344   java_global_trees[JTI_UNSIGNED_BYTE_TYPE_NODE]
 345 #define unsigned_short_type_node \
 346   java_global_trees[JTI_UNSIGNED_SHORT_TYPE_NODE]
 347 #define unsigned_int_type_node \
 348   java_global_trees[JTI_UNSIGNED_INT_TYPE_NODE]
 349 #define unsigned_long_type_node \
 350   java_global_trees[JTI_UNSIGNED_LONG_TYPE_NODE]
 351
 352 #define decimal_int_max \
 353   java_global_trees[JTI_DECIMAL_INT_MAX_NODE]
 354 #define decimal_long_max \
 355   java_global_trees[JTI_DECIMAL_LONG_MAX_NODE]
 356
 357 #define object_type_node \
 358   java_global_trees[JTI_OBJECT_TYPE_NODE]
 359 #define unqualified_object_id_node \
 360   java_global_trees[JTI_UNQUALIFIED_OBJECT_ID_NODE]
 361 #define object_ptr_type_node \
 362   java_global_trees[JTI_OBJECT_PTR_TYPE_NODE]
 363 #define string_type_node \
 364   java_global_trees[JTI_STRING_TYPE_NODE]
 365 #define string_ptr_type_node \
 366   java_global_trees[JTI_STRING_PTR_TYPE_NODE]
 367 #define throwable_type_node \
 368   java_global_trees[JTI_THROWABLE_TYPE_NODE]
 369 #define exception_type_node \
 370   java_global_trees[JTI_EXCEPTION_TYPE_NODE]
 371 #define runtime_exception_type_node \
 372   java_global_trees[JTI_RUNTIME_EXCEPTION_TYPE_NODE]
 373 #define error_exception_type_node \
 374   java_global_trees[JTI_ERROR_EXCEPTION_TYPE_NODE]
 375 #define rawdata_ptr_type_node \
 376   java_global_trees[JTI_RAWDATA_PTR_TYPE_NODE]
 377
 378 #define byte_array_type_node \
 379   java_global_trees[JTI_BYTE_ARRAY_TYPE_NODE]
 380 #define short_array_type_node \
 381   java_global_trees[JTI_SHORT_ARRAY_TYPE_NODE]
 382 #define int_array_type_node \
 383   java_global_trees[JTI_INT_ARRAY_TYPE_NODE]
 384 #define long_array_type_node \
 385   java_global_trees[JTI_LONG_ARRAY_TYPE_NODE]
 386 #define boolean_array_type_node \
 387   java_global_trees[JTI_BOOLEAN_ARRAY_TYPE_NODE]
 388 #define char_array_type_node \
 389   java_global_trees[JTI_CHAR_ARRAY_TYPE_NODE]
 390 #define double_array_type_node \
 391   java_global_trees[JTI_DOUBLE_ARRAY_TYPE_NODE]
 392 #define float_array_type_node \
 393   java_global_trees[JTI_FLOAT_ARRAY_TYPE_NODE]
 394 #define array_array_type_node \
 395   java_global_trees[JTI_ARRAY_ARRAY_TYPE_NODE]
 396 #define object_array_type_node \
 397   java_global_trees[JTI_OBJECT_ARRAY_TYPE_NODE]
 398 #define string_array_type_node \
 399   java_global_trees[JTI_STRING_ARRAY_TYPE_NODE]
 400 #define boolean_array_vtable \
 401   java_global_trees[JTI_BOOLEAN_ARRAY_VTABLE]
 402 #define byte_array_vtable \
 403   java_global_trees[JTI_BYTE_ARRAY_VTABLE]
 404 #define char_array_vtable \
 405   java_global_trees[JTI_CHAR_ARRAY_VTABLE]
 406 #define short_array_vtable \
 407   java_global_trees[JTI_SHORT_ARRAY_VTABLE]
 408 #define int_array_vtable \
 409   java_global_trees[JTI_INT_ARRAY_VTABLE]
 410 #define long_array_vtable \
 411   java_global_trees[JTI_LONG_ARRAY_VTABLE]
 412 #define float_array_vtable \
 413   java_global_trees[JTI_FLOAT_ARRAY_VTABLE]
 414 #define double_array_vtable \
 415   java_global_trees[JTI_DOUBLE_ARRAY_VTABLE]
 416 #define TYPE_identifier_node \
 417   java_global_trees[JTI_TYPE_IDENTIFIER_NODE]      /* "TYPE" */
 418 #define init_identifier_node \
 419   java_global_trees[JTI_INIT_IDENTIFIER_NODE]      /* "<init>" */
 420 #define clinit_identifier_node \
 421   java_global_trees[JTI_CLINIT_IDENTIFIER_NODE]      /* "<clinit>" */
 422 #define void_signature_node \
 423   java_global_trees[JTI_VOID_SIGNATURE_NODE]       /* "()V" */
 424 #define finalize_identifier_node \
 425   java_global_trees[JTI_FINALIZE_IDENTIFIER_NODE]  /* "finalize" */
 426 #define this_identifier_node \
 427   java_global_trees[JTI_THIS_IDENTIFIER_NODE]  /* "this" */
 428 #define one_elt_array_domain_type \
 429   java_global_trees[JTI_ONE_ELT_ARRAY_DOMAIN_TYPE]
 430 /* The type of the return address of a subroutine. */
 431 #define return_address_type_node \
 432   java_global_trees[JTI_RETURN_ADDRESS_TYPE_NODE]
 433
 434 /* Integer constants not declared in tree.h. */
 435 #define long_zero_node \
 436   java_global_trees[JTI_LONG_ZERO_NODE]
 437 #define float_zero_node \
 438   java_global_trees[JTI_FLOAT_ZERO_NODE]
 439 #define double_zero_node \
 440   java_global_trees[JTI_DOUBLE_ZERO_NODE]
 441 #define integer_two_node \
 442   java_global_trees[JTI_INTEGER_TWO_NODE]
 443 #define integer_four_node \
 444   java_global_trees[JTI_INTEGER_FOUR_NODE]
 445
 446 /* The type for struct methodtable. */
 447 #define methodtable_type \
 448   java_global_trees[JTI_METHODTABLE_TYPE]
 449 #define methodtable_ptr_type \
 450   java_global_trees[JTI_METHODTABLE_PTR_TYPE]
 451
 452 #define utf8const_type \
 453   java_global_trees[JTI_UTF8CONST_TYPE]
 454 #define utf8const_ptr_type \
 455   java_global_trees[JTI_UTF8CONST_PTR_TYPE]
 456
 457 #define class_type_node \
 458   java_global_trees[JTI_CLASS_TYPE_NODE]
 459 #define class_ptr_type \
 460   java_global_trees[JTI_CLASS_PTR_TYPE]
 461 #define field_type_node \
 462   java_global_trees[JTI_FIELD_TYPE_NODE]
 463 #define constants_type_node \
 464   java_global_trees[JTI_CONSTANTS_TYPE_NODE]
 465 #define dtable_type \
 466   java_global_trees[JTI_DTABLE_TYPE]
 467 #define dtable_ptr_type \
 468   java_global_trees[JTI_DTABLE_PTR_TYPE]
 469 #define field_ptr_type_node \
 470   java_global_trees[JTI_FIELD_PTR_TYPE_NODE]
 471 #define field_info_union_node \
 472   java_global_trees[JTI_FIELD_INFO_UNION_NODE]
 473 #define jexception_type \
 474   java_global_trees[JTI_EXCEPTION_TYPE]
 475 #define jexception_ptr_type \
 476   java_global_trees[JTI_EXCEPTION_PTR_TYPE]
 477 #define lineNumberEntry_type \
 478   java_global_trees[JTI_LINENUMBERENTRY_TYPE]
 479 #define lineNumbers_type \
 480   java_global_trees[JTI_LINENUMBERS_TYPE]
 481 #define method_type_node \
 482   java_global_trees[JTI_METHOD_TYPE_NODE]
 483 #define method_ptr_type_node \
 484   java_global_trees[JTI_METHOD_PTR_TYPE_NODE]
 485 #define otable_type \
 486   java_global_trees[JTI_OTABLE_TYPE]
 487 #define atable_type \
 488   java_global_trees[JTI_ATABLE_TYPE]
 489 #define itable_type \
 490   java_global_trees[JTI_ITABLE_TYPE]
 491 #define otable_ptr_type \
 492   java_global_trees[JTI_OTABLE_PTR_TYPE]
 493 #define atable_ptr_type \
 494   java_global_trees[JTI_ATABLE_PTR_TYPE]
 495 #define itable_ptr_type \
 496   java_global_trees[JTI_ITABLE_PTR_TYPE]
 497 #define symbol_type \
 498   java_global_trees[JTI_SYMBOL_TYPE]
 499 #define symbols_array_type \
 500   java_global_trees[JTI_SYMBOLS_ARRAY_TYPE]
 501 #define symbols_array_ptr_type \
 502   java_global_trees[JTI_SYMBOLS_ARRAY_PTR_TYPE]
 503 #define assertion_entry_type \
 504   java_global_trees[JTI_ASSERTION_ENTRY_TYPE]
 505 #define assertion_table_type \
 506   java_global_trees[JTI_ASSERTION_TABLE_TYPE]
 507
 508 #define end_params_node \
 509   java_global_trees[JTI_END_PARAMS_NODE]
 510
 511 /* References to internal libjava functions we use. */
 512 #define throw_node \
 513   java_global_trees[JTI_THROW_NODE]
 514 #define alloc_object_node \
 515   java_global_trees[JTI_ALLOC_OBJECT_NODE]
 516 #define alloc_no_finalizer_node \
 517   java_global_trees[JTI_ALLOC_NO_FINALIZER_NODE]
 518 #define soft_instanceof_node \
 519   java_global_trees[JTI_SOFT_INSTANCEOF_NODE]
 520 #define soft_checkcast_node \
 521   java_global_trees[JTI_SOFT_CHECKCAST_NODE]
 522 #define soft_initclass_node \
 523   java_global_trees[JTI_SOFT_INITCLASS_NODE]
 524 #define soft_newarray_node \
 525   java_global_trees[JTI_SOFT_NEWARRAY_NODE]
 526 #define soft_anewarray_node \
 527   java_global_trees[JTI_SOFT_ANEWARRAY_NODE]
 528 #define soft_multianewarray_node \
 529   java_global_trees[JTI_SOFT_MULTIANEWARRAY_NODE]
 530 #define soft_badarrayindex_node \
 531   java_global_trees[JTI_SOFT_BADARRAYINDEX_NODE]
 532 #define soft_nullpointer_node \
 533   java_global_trees[JTI_SOFT_NULLPOINTER_NODE]
 534 #define soft_abstractmethod_node \
 535   java_global_trees[JTI_SOFT_ABSTRACTMETHOD_NODE]
 536 #define soft_nosuchfield_node \
 537   java_global_trees[JTI_SOFT_NOSUCHFIELD_NODE]
 538 #define soft_checkarraystore_node \
 539   java_global_trees[JTI_SOFT_CHECKARRAYSTORE_NODE]
 540 #define soft_monitorenter_node \
 541   java_global_trees[JTI_SOFT_MONITORENTER_NODE]
 542 #define soft_monitorexit_node \
 543   java_global_trees[JTI_SOFT_MONITOREXIT_NODE]
 544 #define soft_lookupinterfacemethod_node \
 545   java_global_trees[JTI_SOFT_LOOKUPINTERFACEMETHOD_NODE]
 546 #define soft_lookupinterfacemethodbyname_node \
 547   java_global_trees[JTI_SOFT_LOOKUPINTERFACEMETHODBYNAME_NODE]
 548 #define soft_lookupjnimethod_node \
 549   java_global_trees[JTI_SOFT_LOOKUPJNIMETHOD_NODE]
 550 #define soft_getjnienvnewframe_node \
 551   java_global_trees[JTI_SOFT_GETJNIENVNEWFRAME_NODE]
 552 #define soft_jnipopsystemframe_node \
 553   java_global_trees[JTI_SOFT_JNIPOPSYSTEMFRAME_NODE]
 554 #define soft_unwrapjni_node \
 555   java_global_trees[JTI_SOFT_UNWRAPJNI_NODE]
 556 #define soft_fmod_node \
 557   java_global_trees[JTI_SOFT_FMOD_NODE]
 558 #define soft_idiv_node \
 559   java_global_trees[JTI_SOFT_IDIV_NODE]
 560 #define soft_irem_node \
 561   java_global_trees[JTI_SOFT_IREM_NODE]
 562 #define soft_ldiv_node \
 563   java_global_trees[JTI_SOFT_LDIV_NODE]
 564 #define soft_lrem_node \
 565   java_global_trees[JTI_SOFT_LREM_NODE]
 566
 567 #define access_flags_type_node \
 568   java_global_trees[JTI_ACCESS_FLAGS_TYPE_NODE]
 569
 570 #define nativecode_ptr_array_type_node \
 571   java_global_trees[JTI_NATIVECODE_PTR_ARRAY_TYPE_NODE]
 572
 573 #define nativecode_ptr_type_node ptr_type_node
 574
 575 /* The decl for "_Jv_ResolvePoolEntry".  */
 576 extern GTY(()) tree soft_resolvepoolentry_node;
 577
 578 struct GTY(()) lang_identifier {
 579   struct tree_identifier ignore;
 580   tree global_value;
 581   tree local_value;
 582
 583   /* If non-NULL:  An ADDR_REF to a VAR_DECL that contains
 584    * the Utf8Const representation of the identifier.  */
 585   tree utf8_ref;
 586 };
 587
 588 /* The resulting tree type.  */
 589 union GTY((desc ("TREE_CODE (&%h.generic) == IDENTIFIER_NODE"),
 590        chain_next ("CODE_CONTAINS_STRUCT (TREE_CODE (&%h.generic), TS_COMMON) ? ((union lang_tree_node *) TREE_CHAIN (&%h.generic)) : NULL")))
 591
 592   lang_tree_node {
 593   union tree_node GTY ((tag ("0"),
 594                         desc ("tree_node_structure (&%h)")))
 595     generic;
 596   struct lang_identifier GTY ((tag ("1"))) identifier;
 597 };
 598
 599 /* Macros for access to language-specific slots in an identifier.  */
 600 /* Unless specified, each of these slots contains a DECL node or null.  */
 601
 602 /* This represents the value which the identifier has in the
 603    file-scope namespace.  */
 604 #define IDENTIFIER_GLOBAL_VALUE(NODE)   \
 605   (((struct lang_identifier *)(NODE))->global_value)
 606 /* This represents the value which the identifier has in the current
 607    scope.  */
 608 #define IDENTIFIER_LOCAL_VALUE(NODE)    \
 609   (((struct lang_identifier *)(NODE))->local_value)
 610
 611 /* Given an identifier NODE, get the corresponding class.
 612    E.g. IDENTIFIER_CLASS_VALUE(get_identifier ("java.lang.Number"))
 613    is the corresponding RECORD_TYPE. */
 614 #define IDENTIFIER_CLASS_VALUE(NODE) IDENTIFIER_GLOBAL_VALUE(NODE)
 615
 616 /* Given a signature of a reference (or array) type, or a method, return the
 617    corresponding type (if one has been allocated).
 618    Do not use for primitive types, since they may be ambiguous.
 619    (E.g. is "I" a signature or a class name?) */
 620 #define IDENTIFIER_SIGNATURE_TYPE(NODE) IDENTIFIER_GLOBAL_VALUE(NODE)
 621
 622 /* If non-NULL:  An ADDR_REF to a VAR_DECL that contains
 623    the Utf8Const representation of the identifier.  */
 624 #define IDENTIFIER_UTF8_REF(NODE) \
 625   (((struct lang_identifier *)(NODE))->utf8_ref)
 626
 627 #define IDENTIFIER_UTF8_DECL(NODE) \
 628   TREE_OPERAND((((struct lang_identifier *)(NODE))->utf8_ref), 0)
 629
 630 /* For a FUNCTION_DECL, if we are compiling a .class file, then this is
 631    the position in the .class file of the method code.
 632    Specifically, this is the code itself, not the code attribute. */
 633 #define DECL_CODE_OFFSET(DECL) (DECL_LANG_SPECIFIC(DECL)->u.f.code_offset)
 634 /* Similarly, the length of the bytecode. */
 635 #define DECL_CODE_LENGTH(DECL) (DECL_LANG_SPECIFIC(DECL)->u.f.code_length)
 636 /* Similarly, the position of the LineNumberTable attribute. */
 637 #define DECL_LINENUMBERS_OFFSET(DECL) \
 638   (DECL_LANG_SPECIFIC(DECL)->u.f.linenumbers_offset)
 639 /* Similarly, the position of the LocalVariableTable attribute
 640    (following the standard attribute header). */
 641 #define DECL_LOCALVARIABLES_OFFSET(DECL) \
 642   (DECL_LANG_SPECIFIC(DECL)->u.f.localvariables_offset)
 643
 644 #define DECL_MAX_LOCALS(DECL) (DECL_LANG_SPECIFIC(DECL)->u.f.max_locals)
 645 #define DECL_MAX_STACK(DECL) (DECL_LANG_SPECIFIC(DECL)->u.f.max_stack)
 646 /* Number of local variable slots needed for the arguments of this function. */
 647 #define DECL_ARG_SLOT_COUNT(DECL) \
 648   (DECL_LANG_SPECIFIC(DECL)->u.f.arg_slot_count)
 649 /* Source location of end of function. */
 650 #define DECL_FUNCTION_LAST_LINE(DECL) (DECL_LANG_SPECIFIC(DECL)->u.f.last_line)
 651 /* List of checked thrown exceptions, as specified with the `throws'
 652    keyword */
 653 #define DECL_FUNCTION_THROWS(DECL) (DECL_LANG_SPECIFIC(DECL)->u.f.throws_list)
 654 /* VAR_DECL containing the caught exception object.  */
 655 #define DECL_FUNCTION_EXC_OBJ(DECL) (DECL_LANG_SPECIFIC(DECL)->u.f.exc_obj)
 656 /* For each function decl, init_test_table contains a hash table whose
 657    entries are keyed on class names, and whose values are local
 658    boolean decls.  The variables are intended to be TRUE when the
 659    class has been initialized in this function, and FALSE otherwise.  */
 660 #define DECL_FUNCTION_INIT_TEST_TABLE(DECL) \
 661   (DECL_LANG_SPECIFIC(DECL)->u.f.init_test_table)
 662 /* For each static function decl, itc contains a hash table whose
 663    entries are keyed on class named that are definitively initialized
 664    in DECL.  */
 665 #define DECL_FUNCTION_INITIALIZED_CLASS_TABLE(DECL) \
 666   (DECL_LANG_SPECIFIC(DECL)->u.f.ict)
 667
 668 #define DECL_LOCAL_CNI_METHOD_P(NODE) \
 669     (DECL_LANG_SPECIFIC (NODE)->u.f.local_cni)
 670
 671 /* True when DECL (a field) is Synthetic.  */
 672 #define FIELD_SYNTHETIC(DECL) DECL_LANG_FLAG_2 (VAR_OR_FIELD_CHECK (DECL))
 673
 674 /* The slot number for this local variable. */
 675 #define DECL_LOCAL_SLOT_NUMBER(NODE) \
 676   (DECL_LANG_SPECIFIC (NODE)->u.v.slot_number)
 677 /* The start (bytecode) pc for the valid range of this local variable. */
 678 #define DECL_LOCAL_START_PC(NODE)  (DECL_LANG_SPECIFIC (NODE)->u.v.start_pc)
 679 /* The end (bytecode) pc for the valid range of this local variable. */
 680 #define DECL_LOCAL_END_PC(NODE)    (DECL_LANG_SPECIFIC (NODE)->u.v.end_pc)
 681 /* For a VAR_DECL or PARM_DECL, used to chain decls with the same
 682    slot_number in decl_map. */
 683 #define DECL_LOCAL_SLOT_CHAIN(NODE) (DECL_LANG_SPECIFIC(NODE)->u.v.slot_chain)
 684 /* The class that's the owner of a dynamic binding table.  */
 685 #define DECL_OWNER(NODE)            (DECL_LANG_SPECIFIC(NODE)->u.v.owner)
 686 /* True if NODE is a class final field. */
 687 #define FIELD_ENUM(DECL)            (DECL_LANG_SPECIFIC (DECL)->u.v.field_enum)
 688 /* True if NODE is a variable that is out of scope.  */
 689 #define LOCAL_VAR_OUT_OF_SCOPE_P(NODE) \
 690     (DECL_LANG_SPECIFIC (NODE)->u.v.freed)
 691 #define LOCAL_SLOT_P(NODE) \
 692     (DECL_LANG_SPECIFIC (NODE)->u.v.local_slot)
 693
 694 #define DECL_CLASS_FIELD_P(NODE) \
 695     (DECL_LANG_SPECIFIC (NODE)->u.v.class_field)
 696 #define DECL_VTABLE_P(NODE) \
 697     (DECL_LANG_SPECIFIC (NODE)->u.v.vtable)
 698
 699 /* Create a DECL_LANG_SPECIFIC if necessary. */
 700 #define MAYBE_CREATE_VAR_LANG_DECL_SPECIFIC(T)                       \
 701   if (DECL_LANG_SPECIFIC (T) == NULL)                                \
 702     {                                                                \
 703       DECL_LANG_SPECIFIC ((T))                                       \
 704         = ggc_alloc_cleared_lang_decl (sizeof (struct lang_decl));   \
 705       DECL_LANG_SPECIFIC (T)->desc = LANG_DECL_VAR;                  \
 706     }
 707
 708 /* A ConstantExpression, after folding and name resolution. */
 709 #define CONSTANT_VALUE_P(NODE) \
 710   (TREE_CODE (NODE) == STRING_CST \
 711    || (TREE_CODE (NODE) == INTEGER_CST \
 712        && TREE_CODE (TREE_TYPE (NODE)) != POINTER_TYPE) \
 713    || TREE_CODE (NODE) == REAL_CST)
 714
 715 /* DECL_LANG_SPECIFIC for FUNCTION_DECLs. */
 716 struct GTY(()) lang_decl_func {
 717   /*  tree chain; not yet used. */
 718   long code_offset;
 719   int code_length;
 720   long linenumbers_offset;
 721   long localvariables_offset;
 722   int arg_slots;
 723   int max_locals;
 724   int max_stack;
 725   int arg_slot_count;
 726   source_location last_line;    /* End line number for a function decl */
 727   vec<tree, va_gc> *throws_list;        /* Exception specified by `throws' */
 728   tree exc_obj;                 /* Decl holding the exception object.  */
 729
 730   /* Class initialization test variables  */
 731   htab_t GTY ((param_is (struct treetreehash_entry))) init_test_table;
 732
 733   /* Initialized (static) Class Table */
 734   htab_t GTY ((param_is (union tree_node))) ict;
 735
 736   unsigned int native : 1;      /* Nonzero if this is a native method  */
 737   unsigned int strictfp : 1;
 738   unsigned int invisible : 1;   /* Set for methods we generate
 739                                    internally but which shouldn't be
 740                                    written to the .class file.  */
 741   unsigned int dummy : 1;
 742   unsigned int local_cni : 1;   /* Decl needs mangle_local_cni_method.  */
 743   unsigned int bridge : 1;      /* Bridge method.  */
 744   unsigned int varargs : 1;     /* Varargs method.  */
 745 };
 746
 747 struct GTY(()) treetreehash_entry {
 748   tree key;
 749   tree value;
 750 };
 751
 752 /* These represent the possible assertion_codes that can be emitted in the
 753    type assertion table.  */
 754 enum
 755 {
 756   JV_ASSERT_END_OF_TABLE = 0,     /* Last entry in table.  */
 757   JV_ASSERT_TYPES_COMPATIBLE = 1, /* Operand A is assignable to Operand B.  */
 758   JV_ASSERT_IS_INSTANTIABLE = 2   /* Operand A is an instantiable class.  */
 759 };
 760
 761 /* Annotation types used in the reflection_data.  See
 762    java.lang.Class.getDeclaredAnnotations() in the runtime library for
 763    an example of how these are used.  */
 764
 765 typedef enum
 766 {
 767   JV_CLASS_ATTR,
 768   JV_METHOD_ATTR,
 769   JV_FIELD_ATTR,
 770   JV_DONE_ATTR
 771 } jv_attr_type;
 772
 773 typedef enum
 774 {
 775   JV_INNER_CLASSES_KIND,
 776   JV_ENCLOSING_METHOD_KIND,
 777   JV_SIGNATURE_KIND,
 778   JV_ANNOTATIONS_KIND,
 779   JV_PARAMETER_ANNOTATIONS_KIND,
 780   JV_ANNOTATION_DEFAULT_KIND
 781 } jv_attr_kind;
 782
 783 typedef struct GTY(()) type_assertion {
 784   int assertion_code; /* 'opcode' for the type of this assertion. */
 785   tree op1;           /* First operand. */
 786   tree op2;           /* Second operand. */
 787 } type_assertion;
 788
 789 extern tree java_treetreehash_find (htab_t, tree);
 790 extern tree * java_treetreehash_new (htab_t, tree);
 791 extern htab_t java_treetreehash_create (size_t size);
 792
 793 /* DECL_LANG_SPECIFIC for VAR_DECL, PARM_DECL and sometimes FIELD_DECL
 794    (access methods on outer class fields) and final fields. */
 795 struct GTY(()) lang_decl_var {
 796   int slot_number;
 797   int start_pc;
 798   int end_pc;
 799   tree slot_chain;
 800   tree owner;
 801   unsigned int freed : 1;               /* Decl is no longer in scope.  */
 802   unsigned int local_slot : 1;  /* Decl is a temporary in the stack frame.  */
 803   unsigned int class_field : 1; /* Decl needs mangle_class_field.  */
 804   unsigned int vtable : 1;      /* Decl needs mangle_vtable.  */
 805   unsigned int field_enum:1;    /* Field is an enum.  */
 806 };
 807
 808 /* This is what 'lang_decl' really points to.  */
 809
 810 enum lang_decl_desc {LANG_DECL_FUNC, LANG_DECL_VAR};
 811
 812 struct GTY((variable_size)) lang_decl {
 813   enum lang_decl_desc desc;
 814   union lang_decl_u
 815     {
 816       struct lang_decl_func GTY ((tag ("LANG_DECL_FUNC"))) f;
 817       struct lang_decl_var GTY ((tag ("LANG_DECL_VAR"))) v;
 818     } GTY ((desc ("%0.desc"))) u;
 819 };
 820
 821 /* Macro to access fields in `struct lang_type'.  */
 822
 823 #define TYPE_SIGNATURE(T)       (TYPE_LANG_SPECIFIC (T)->signature)
 824 #define TYPE_JCF(T)             (TYPE_LANG_SPECIFIC (T)->jcf)
 825 #define TYPE_CPOOL(T)           (TYPE_LANG_SPECIFIC (T)->cpool)
 826 #define TYPE_CPOOL_DATA_REF(T)  (TYPE_LANG_SPECIFIC (T)->cpool_data_ref)
 827 #define MAYBE_CREATE_TYPE_TYPE_LANG_SPECIFIC(T) \
 828   if (TYPE_LANG_SPECIFIC ((T)) == NULL)         \
 829      TYPE_LANG_SPECIFIC ((T))                   \
 830        = ggc_alloc_cleared_lang_type (sizeof (struct lang_type));
 831
 832 #define TYPE_DUMMY(T)           (TYPE_LANG_SPECIFIC(T)->dummy_class)
 833
 834 #define TYPE_PACKAGE_LIST(T)     (TYPE_LANG_SPECIFIC (T)->package_list)
 835 #define TYPE_PRIVATE_INNER_CLASS(T) (TYPE_LANG_SPECIFIC (T)->pic)
 836 #define TYPE_PROTECTED_INNER_CLASS(T) (TYPE_LANG_SPECIFIC (T)->poic)
 837 #define TYPE_STRICTFP(T) (TYPE_LANG_SPECIFIC (T)->strictfp)
 838 #define TYPE_ENUM(T)            (TYPE_LANG_SPECIFIC (T)->enum_class)
 839 #define TYPE_SYNTHETIC(T)       (TYPE_LANG_SPECIFIC (T)->synthetic)
 840 #define TYPE_ANNOTATION(T)      (TYPE_LANG_SPECIFIC (T)->annotation)
 841
 842 #define TYPE_USES_ASSERTIONS(T) (TYPE_LANG_SPECIFIC (T)->assertions)
 843
 844 #define TYPE_ATABLE_METHODS(T)   (TYPE_LANG_SPECIFIC (T)->atable_methods)
 845 #define TYPE_ATABLE_SYMS_DECL(T) (TYPE_LANG_SPECIFIC (T)->atable_syms_decl)
 846 #define TYPE_ATABLE_DECL(T)      (TYPE_LANG_SPECIFIC (T)->atable_decl)
 847
 848 #define TYPE_OTABLE_METHODS(T)   (TYPE_LANG_SPECIFIC (T)->otable_methods)
 849 #define TYPE_OTABLE_SYMS_DECL(T) (TYPE_LANG_SPECIFIC (T)->otable_syms_decl)
 850 #define TYPE_OTABLE_DECL(T)      (TYPE_LANG_SPECIFIC (T)->otable_decl)
 851
 852 #define TYPE_ITABLE_METHODS(T)   (TYPE_LANG_SPECIFIC (T)->itable_methods)
 853 #define TYPE_ITABLE_SYMS_DECL(T) (TYPE_LANG_SPECIFIC (T)->itable_syms_decl)
 854 #define TYPE_ITABLE_DECL(T)      (TYPE_LANG_SPECIFIC (T)->itable_decl)
 855
 856 #define TYPE_CTABLE_DECL(T)      (TYPE_LANG_SPECIFIC (T)->ctable_decl)
 857 #define TYPE_CATCH_CLASSES(T)    (TYPE_LANG_SPECIFIC (T)->catch_classes)
 858
 859 #define TYPE_TO_RUNTIME_MAP(T)   (TYPE_LANG_SPECIFIC (T)->type_to_runtime_map)
 860 #define TYPE_ASSERTIONS(T)       (TYPE_LANG_SPECIFIC (T)->type_assertions)
 861 #define TYPE_PACKAGE(T)          (TYPE_LANG_SPECIFIC (T)->package)
 862
 863 #define TYPE_REFLECTION_DATA(T)  (TYPE_LANG_SPECIFIC (T)->reflection_data)
 864 #define TYPE_REFLECTION_DATASIZE(T)                                     \
 865                                 (TYPE_LANG_SPECIFIC (T)->reflection_datasize)
 866
 867 typedef struct GTY(()) method_entry_d {
 868   tree method;
 869   tree special;
 870 } method_entry;
 871
 872
 873 /* FIXME: the variable_size annotation here is needed because these types are
 874    variable-sized in some other frontends.  Due to gengtype deficiency the GTY
 875    options of such types have to agree across all frontends. */
 876 struct GTY((variable_size)) lang_type {
 877   tree signature;
 878   struct JCF *jcf;
 879   struct CPool *cpool;
 880   tree cpool_data_ref;          /* Cached */
 881   tree package_list;            /* List of package names, progressive */
 882
 883   vec<method_entry, va_gc> *otable_methods; /* List of static decls referred
 884                                            to by this class.  */
 885   tree otable_decl;             /* The static address table.  */
 886   tree otable_syms_decl;
 887
 888   vec<method_entry, va_gc> *atable_methods; /* List of abstract methods
 889                                            referred to by this class.  */
 890   tree atable_decl;             /* The static address table.  */
 891   tree atable_syms_decl;
 892
 893   vec<method_entry, va_gc> *itable_methods; /* List of interface methods
 894                                            referred to by this class.  */
 895   tree itable_decl;             /* The interfaces table.  */
 896   tree itable_syms_decl;
 897
 898   tree ctable_decl;             /* The table of classes for the runtime
 899                                    type matcher.  */
 900   vec<constructor_elt, va_gc> *catch_classes;
 901
 902   htab_t GTY ((param_is (struct treetreehash_entry))) type_to_runtime_map;
 903                                 /* The mapping of classes to exception region
 904                                    markers.  */
 905
 906   htab_t GTY ((param_is (struct type_assertion))) type_assertions;
 907                                 /* Table of type assertions to be evaluated
 908                                    by the runtime when this class is loaded. */
 909
 910   tree package;                 /* IDENTIFIER_NODE for package this class is
 911                                    a member of.  */
 912
 913   unsigned char* GTY((skip)) reflection_data;   /* The raw reflection
 914                                                    data for this
 915                                                    class.  */
 916   long reflection_datasize;     /* The size of the raw reflection data
 917                                    for this class, in bytes.  */
 918
 919   unsigned pic:1;               /* Private Inner Class. */
 920   unsigned poic:1;              /* Protected Inner Class. */
 921   unsigned strictfp:1;          /* `strictfp' class.  */
 922   unsigned assertions:1;        /* Any method uses `assert'.  */
 923   unsigned dummy_class:1;       /* Not a real class, just a placeholder.  */
 924   unsigned enum_class:1;        /* Class is an enum type.  */
 925   unsigned synthetic:1;         /* Class is synthetic.  */
 926   unsigned annotation:1;        /* Class is an annotation type.  */
 927 };
 928
 929 #define JCF_u4 unsigned long
 930 #define JCF_u2 unsigned short
 931
 932 /* Possible values to pass to lookup_argument_method_generic.  */
 933 #define SEARCH_INTERFACE      1
 934 #define SEARCH_SUPER          2
 935 #define SEARCH_VISIBLE        4
 936
 937 /* Defined in java-except.h  */
 938 struct eh_range;
 939
 940 extern void java_parse_file (void);
 941 extern tree java_type_for_mode (enum machine_mode, int);
 942 extern tree java_type_for_size (unsigned int, int);
 943 extern tree java_truthvalue_conversion (tree);
 944 extern void add_assume_compiled (const char *, int);
 945 extern void add_enable_assert (const char *, int);
 946 extern bool enable_assertions (tree);
 947 extern tree lookup_class (tree);
 948 extern tree lookup_java_constructor (tree, tree);
 949 extern tree lookup_java_method (tree, tree, tree);
 950 extern tree lookup_argument_method (tree, tree, tree);
 951 extern tree lookup_argument_method_generic (tree, tree, tree, int);
 952 extern int has_method (tree, tree);
 953 extern tree promote_type (tree);
 954 extern tree get_constant (struct JCF*, int);
 955 extern tree get_name_constant (struct JCF*, int);
 956 extern tree get_class_constant (struct JCF*, int);
 957 extern tree parse_signature (struct JCF *jcf, int sig_index);
 958 extern tree add_field (tree, tree, tree, int);
 959 extern tree add_method (tree, int, tree, tree);
 960 extern tree add_method_1 (tree, int, tree, tree);
 961 extern void java_hide_decl (tree);
 962 extern tree make_class (void);
 963 extern tree push_class (tree, tree);
 964 extern tree unmangle_classname (const char *name, int name_length);
 965 extern tree parse_signature_string (const unsigned char *, int);
 966 extern tree get_type_from_signature (tree);
 967 extern void layout_class (tree);
 968 extern int get_interface_method_index (tree, tree);
 969 extern tree layout_class_method (tree, tree, tree, tree);
 970 extern void layout_class_methods (tree);
 971 extern void cache_this_class_ref (tree);
 972 extern void uncache_this_class_ref (tree);
 973 extern tree build_class_ref (tree);
 974 extern tree build_dtable_decl (tree);
 975 extern tree build_internal_class_name (tree);
 976 extern tree build_constants_constructor (void);
 977 extern tree build_constant_data_ref (bool);
 978 extern tree build_ref_from_constant_pool (int);
 979 extern tree build_utf8_ref (tree);
 980 extern tree ident_subst (const char *, int, const char *, int, int,
 981                          const char *);
 982 extern tree identifier_subst (const tree, const char *, int, int,
 983                               const char *);
 984 extern bool global_bindings_p (void);
 985 extern tree getdecls (void);
 986 extern void pushlevel (int);
 987 extern tree poplevel (int,int, int);
 988 extern tree pushdecl (tree);
 989 extern void java_init_decl_processing (void);
 990 extern void java_dup_lang_specific_decl (tree);
 991 extern tree build_java_signature (tree);
 992 extern tree build_java_argument_signature (tree);
 993 extern void set_java_signature (tree, tree);
 994 extern tree build_static_field_ref (tree);
 995 extern tree build_address_of (tree);
 996 extern tree find_local_variable (int index, tree type, int pc);
 997 extern tree find_stack_slot (int index, tree type);
 998 extern tree build_prim_array_type (tree, HOST_WIDE_INT);
 999 extern tree build_java_array_type (tree, HOST_WIDE_INT);
1000 extern int is_compiled_class (tree);
1001 extern tree mangled_classname (const char *, tree);
1002 extern tree lookup_label (int);
1003 extern tree pop_type_0 (tree, char **);
1004 extern tree pop_type (tree);
1005 extern tree decode_newarray_type (int);
1006 extern tree lookup_field (tree *, tree);
1007 extern int is_array_type_p (tree);
1008 extern HOST_WIDE_INT java_array_type_length (tree);
1009 extern int read_class (tree);
1010 extern void load_class (tree, int);
1011
1012 extern tree check_for_builtin (tree, tree);
1013 extern void initialize_builtins (void);
1014
1015 extern tree lookup_name (tree);
1016 extern bool special_method_p (tree);
1017 extern void maybe_rewrite_invocation (tree *, vec<tree, va_gc> **, tree *,
1018                                       tree *);
1019 extern tree build_known_method_ref (tree, tree, tree, tree, vec<tree, va_gc> *,
1020                                     tree);
1021 extern tree build_class_init (tree, tree);
1022 extern int attach_init_test_initialization_flags (void **, void *);
1023 extern tree build_invokevirtual (tree, tree, tree);
1024 extern tree build_invokeinterface (tree, tree);
1025 extern tree build_jni_stub (tree);
1026 extern tree invoke_build_dtable (int, vec<tree, va_gc> *);
1027 extern tree build_field_ref (tree, tree, tree);
1028 extern tree java_modify_addr_for_volatile (tree);
1029 extern void pushdecl_force_head (tree);
1030 extern tree build_java_binop (enum tree_code, tree, tree, tree);
1031 extern tree build_java_soft_divmod (enum tree_code, tree, tree, tree);
1032 extern tree binary_numeric_promotion (tree, tree, tree *, tree *);
1033 extern tree build_java_arrayaccess (tree, tree, tree);
1034 extern tree build_java_arraystore_check (tree, tree);
1035 extern tree build_newarray (int, tree);
1036 extern tree build_anewarray (tree, tree);
1037 extern tree build_new_array (tree, tree);
1038 extern tree build_java_array_length_access (tree);
1039 extern tree build_java_indirect_ref (tree, tree, int);
1040 extern tree java_check_reference (tree, int);
1041 extern tree build_get_class (tree);
1042 extern tree build_instanceof (tree, tree);
1043 extern tree create_label_decl (tree);
1044 extern tree prepare_eh_table_type (tree);
1045 extern void java_expand_catch_classes (tree);
1046 extern tree build_exception_object_ref (tree);
1047 extern tree generate_name (void);
1048 extern const char *lang_printable_name (tree, int);
1049 extern tree maybe_add_interface (tree, tree);
1050 extern void set_super_info (int, tree, tree, int);
1051 extern void set_class_decl_access_flags (int, tree);
1052 extern int get_access_flags_from_decl (tree);
1053 extern int interface_of_p (tree, tree);
1054 extern int inherits_from_p (tree, tree);
1055 extern int common_enclosing_context_p (tree, tree);
1056 extern int common_enclosing_instance_p (tree, tree);
1057 extern int enclosing_context_p (tree, tree);
1058 extern tree build_result_decl (tree);
1059 extern void set_method_index (tree decl, tree method_index);
1060 extern tree get_method_index (tree decl);
1061 extern void make_class_data (tree);
1062 extern int alloc_name_constant (int, tree);
1063 extern int alloc_constant_fieldref (tree, tree);
1064 extern void emit_register_classes (tree *);
1065 extern tree emit_symbol_table (tree, tree, vec<method_entry, va_gc> *,
1066                                tree, tree, int);
1067 extern void lang_init_source (int);
1068 extern void write_classfile (tree);
1069 extern char *print_int_node (tree);
1070 extern void finish_class (void);
1071 extern void check_for_initialization (tree, tree);
1072 extern struct CPool *cpool_for_class (tree);
1073 extern int find_class_or_string_constant (struct CPool *, int, tree);
1074
1075 extern tree pushdecl_top_level (tree);
1076 extern tree pushdecl_function_level (tree);
1077 extern tree java_replace_references (tree *, int *, void *);
1078 extern int alloc_class_constant (tree);
1079 extern void init_expr_processing (void);
1080 extern void push_super_field (tree, tree);
1081 extern void init_class_processing (void);
1082 extern void add_type_assertion (tree, int, tree, tree);
1083 extern int can_widen_reference_to (tree, tree);
1084 extern int class_depth (tree);
1085 extern int verify_jvm_instructions_new (struct JCF *, const unsigned char *,
1086                                         long);
1087 extern void maybe_pushlevels (int);
1088 extern void maybe_poplevels (int);
1089 extern void force_poplevels (int);
1090 extern int process_jvm_instruction (int, const unsigned char *, long);
1091 extern int maybe_adjust_start_pc (struct JCF *, int, int, int);
1092 extern void set_local_type (int, tree);
1093 extern int merge_type_state (tree);
1094 extern int push_type_0 (tree);
1095 extern void push_type (tree);
1096 extern void add_interface (tree, tree);
1097 extern tree java_create_object (tree);
1098 extern int verify_constant_pool (struct JCF *);
1099 extern void start_java_method (tree);
1100 extern void end_java_method (void);
1101 extern void give_name_to_locals (struct JCF *);
1102 extern void note_instructions (struct JCF *, tree);
1103 extern void expand_byte_code (struct JCF *, tree);
1104 extern int open_in_zip (struct JCF *, const char *, const char *, int);
1105 extern void set_constant_value (tree, tree);
1106 #ifdef jword
1107 extern int find_constant1 (struct CPool *, int, jword);
1108 extern int find_constant2 (struct CPool *, int, jword, jword);
1109 #endif
1110 extern int find_utf8_constant (struct CPool *, tree);
1111 extern int find_string_constant (struct CPool *, tree);
1112 extern int find_class_constant (struct CPool *, tree);
1113 extern int find_fieldref_index (struct CPool *, tree);
1114 extern int find_methodref_index (struct CPool *, tree);
1115 extern int find_methodref_with_class_index (struct CPool *, tree, tree);
1116 extern void write_constant_pool (struct CPool *, unsigned char *, int);
1117 extern int count_constant_pool_bytes (struct CPool *);
1118 extern int encode_newarray_type (tree);
1119 #ifdef uint64
1120 extern void format_int (char *, jlong, int);
1121 extern void format_uint (char *, uint64, int);
1122 #endif
1123 extern void jcf_trim_old_input (struct JCF *);
1124 #ifdef BUFSIZ
1125 extern void jcf_print_utf8 (FILE *, const unsigned char *, int);
1126 extern void jcf_print_char (FILE *, int);
1127 extern void jcf_print_utf8_replace (FILE *, const unsigned char *, int,
1128                                     int, int);
1129 extern const char* open_class (const char *, struct JCF *, int, const char *);
1130 #endif
1131 extern void java_debug_context (void);
1132 extern void safe_layout_class (tree);
1133
1134 extern tree get_boehm_type_descriptor (tree);
1135 extern bool uses_jv_markobj_p (tree);
1136 extern bool class_has_finalize_method (tree);
1137 extern void java_check_methods (tree);
1138
1139 extern void java_mangle_decl (tree);
1140 extern tree java_mangle_class_field (struct obstack *, tree);
1141 extern tree java_mangle_vtable (struct obstack *, tree);
1142 extern tree java_mangle_resource_name (const char *);
1143 extern void append_gpp_mangled_name (const char *, int);
1144
1145 extern void add_predefined_file (tree);
1146 extern int predefined_filename_p (tree);
1147
1148 extern tree decl_constant_value (tree);
1149
1150 extern void java_mark_class_local (tree);
1151
1152 extern void java_inlining_merge_static_initializers (tree, void *);
1153 extern void java_inlining_map_static_initializers (tree, void *);
1154
1155 extern void compile_resource_data (const char *name, const char *buffer, int);
1156 extern void compile_resource_file (const char *, const char *);
1157 extern void write_resource_constructor (tree *);
1158 extern tree build_java_empty_stmt (void);
1159 extern tree add_stmt_to_compound (tree, tree, tree);
1160 extern tree java_add_stmt (tree);
1161 extern tree java_add_local_var (tree decl);
1162 extern tree *get_stmts (void);
1163 extern void register_exception_range(struct eh_range *, int, int);
1164
1165 extern void finish_method (tree);
1166 extern void java_expand_body (tree);
1167
1168 extern int get_symbol_table_index (tree, tree, vec<method_entry, va_gc> **);
1169
1170 extern tree make_catch_class_record (tree, tree);
1171 extern tree emit_catch_table (tree);
1172
1173 extern void gen_indirect_dispatch_tables (tree type);
1174 extern int split_qualified_name (tree *left, tree *right, tree source);
1175 extern int in_same_package (tree, tree);
1176
1177 extern void java_read_sourcefilenames (const char *fsource_filename);
1178
1179 extern void rewrite_reflection_indexes (void *);
1180
1181 int cxx_keyword_p (const char *name, int length);
1182
1183 extern GTY(()) vec<tree, va_gc> *pending_static_fields;
1184
1185 extern void java_write_globals (void);
1186
1187 #define DECL_FINAL(DECL) DECL_LANG_FLAG_3 (DECL)
1188
1189 /* Access flags etc for a method (a FUNCTION_DECL): */
1190
1191 #define METHOD_DUMMY(DECL) (DECL_LANG_SPECIFIC (DECL)->u.f.dummy)
1192
1193 #define METHOD_PUBLIC(DECL) DECL_LANG_FLAG_1 (FUNCTION_DECL_CHECK (DECL))
1194 #define METHOD_PRIVATE(DECL) TREE_PRIVATE (FUNCTION_DECL_CHECK (DECL))
1195 #define METHOD_PROTECTED(DECL) TREE_PROTECTED (FUNCTION_DECL_CHECK (DECL))
1196 #define METHOD_STATIC(DECL) DECL_LANG_FLAG_2 (FUNCTION_DECL_CHECK (DECL))
1197 #define METHOD_FINAL(DECL) DECL_FINAL (FUNCTION_DECL_CHECK (DECL))
1198 #define METHOD_SYNCHRONIZED(DECL) DECL_LANG_FLAG_4 (FUNCTION_DECL_CHECK (DECL))
1199 #define METHOD_NATIVE(DECL) \
1200   (DECL_LANG_SPECIFIC (FUNCTION_DECL_CHECK (DECL))->u.f.native)
1201 #define METHOD_ABSTRACT(DECL) DECL_LANG_FLAG_5 (FUNCTION_DECL_CHECK (DECL))
1202 #define METHOD_STRICTFP(DECL) \
1203   (DECL_LANG_SPECIFIC (FUNCTION_DECL_CHECK (DECL))->u.f.strictfp)
1204 #define METHOD_INVISIBLE(DECL) \
1205   (DECL_LANG_SPECIFIC (FUNCTION_DECL_CHECK (DECL))->u.f.invisible)
1206 #define METHOD_BRIDGE(DECL) \
1207   (DECL_LANG_SPECIFIC (FUNCTION_DECL_CHECK (DECL))->u.f.bridge)
1208 #define METHOD_VARARGS(DECL) \
1209   (DECL_LANG_SPECIFIC (FUNCTION_DECL_CHECK (DECL))->u.f.varargs)
1210
1211 #define CLASS_FILE_P(NODE) TREE_LANG_FLAG_3 (NODE)
1212
1213 /* Other predicates on method decls  */
1214
1215 #define DECL_CONSTRUCTOR_P(DECL) DECL_LANG_FLAG_7 (FUNCTION_DECL_CHECK (DECL))
1216
1217 #define DECL_INIT_P(DECL)   (ID_INIT_P (DECL_NAME (DECL)))
1218 #define DECL_CLINIT_P(DECL) (ID_CLINIT_P (DECL_NAME (DECL)))
1219
1220 /* Predicates on method identifiers. Kept close to other macros using
1221    them  */
1222 #define ID_INIT_P(ID)   ((ID) == init_identifier_node)
1223 #define ID_CLINIT_P(ID) ((ID) == clinit_identifier_node)
1224
1225 /* Access flags etc for variable/field (FIELD_DECL, VAR_DECL, or PARM_DECL): */
1226
1227 #define FIELD_PRIVATE(DECL)     TREE_PRIVATE (VAR_OR_FIELD_CHECK (DECL))
1228 #define FIELD_PROTECTED(DECL)   TREE_PROTECTED (VAR_OR_FIELD_CHECK (DECL))
1229 #define FIELD_PUBLIC(DECL)      DECL_LANG_FLAG_1 (VAR_OR_FIELD_CHECK (DECL))
1230 #define FIELD_STATIC(DECL)      TREE_STATIC (VAR_OR_FIELD_CHECK (DECL))
1231 #define FIELD_FINAL(DECL)       DECL_FINAL (VAR_OR_FIELD_CHECK (DECL))
1232 #define FIELD_VOLATILE(DECL)    DECL_LANG_FLAG_4 (VAR_OR_FIELD_CHECK (DECL))
1233 #define FIELD_TRANSIENT(DECL)   DECL_LANG_FLAG_5 (VAR_OR_FIELD_CHECK (DECL))
1234
1235 /* Access flags etc for a class (a TYPE_DECL): */
1236
1237 #define CLASS_PUBLIC(DECL)      DECL_LANG_FLAG_1 (TYPE_DECL_CHECK (DECL))
1238 #define CLASS_FINAL(DECL)       DECL_FINAL (TYPE_DECL_CHECK (DECL))
1239 #define CLASS_INTERFACE(DECL)   DECL_LANG_FLAG_4 (TYPE_DECL_CHECK (DECL))
1240 #define CLASS_ABSTRACT(DECL)    DECL_LANG_FLAG_5 (TYPE_DECL_CHECK (DECL))
1241 #define CLASS_SUPER(DECL)       DECL_LANG_FLAG_6 (TYPE_DECL_CHECK (DECL))
1242 #define CLASS_STATIC(DECL)      DECL_LANG_FLAG_7 (TYPE_DECL_CHECK (DECL))
1243 #define CLASS_PRIVATE(DECL)     (TYPE_PRIVATE_INNER_CLASS (TREE_TYPE (DECL)))
1244 #define CLASS_PROTECTED(DECL)   (TYPE_PROTECTED_INNER_CLASS (TREE_TYPE (DECL)))
1245 #define CLASS_STRICTFP(DECL)    (TYPE_STRICTFP (TREE_TYPE (DECL)))
1246 #define CLASS_ENUM(DECL)        (TYPE_ENUM (TREE_TYPE (DECL)))
1247 #define CLASS_USES_ASSERTIONS(DECL) (TYPE_USES_ASSERTIONS (TREE_TYPE (DECL)))
1248 #define CLASS_SYNTHETIC(DECL)   (TYPE_SYNTHETIC (TREE_TYPE (DECL)))
1249 #define CLASS_ANNOTATION(DECL)  (TYPE_ANNOTATION (TREE_TYPE (DECL)))
1250
1251 /* @deprecated marker flag on methods, fields and classes */
1252
1253 #define METHOD_DEPRECATED(DECL) DECL_LANG_FLAG_0 (DECL)
1254 #define FIELD_DEPRECATED(DECL) DECL_LANG_FLAG_0 (DECL)
1255 #define CLASS_DEPRECATED(DECL) DECL_LANG_FLAG_0 (DECL)
1256 #define DECL_DEPRECATED(DECL) DECL_LANG_FLAG_0 (DECL)
1257
1258 /* The number of virtual methods in this class's dispatch table.
1259    Does not include initial two dummy entries (one points to the
1260    Class object, and the other is for G++ -fvtable-thunks compatibility). */
1261 #define TYPE_NVIRTUALS(TYPE) BINFO_VIRTUALS (TYPE_BINFO (TYPE))
1262
1263 /* A TREE_VEC (indexed by DECL_VINDEX) containing this class's
1264    virtual methods. */
1265 #define TYPE_VTABLE(TYPE) BINFO_VTABLE(TYPE_BINFO (TYPE))
1266
1267 /* Use CLASS_LOADED_P? FIXME */
1268 #define CLASS_COMPLETE_P(DECL) DECL_LANG_FLAG_2 (DECL)
1269
1270 /* A vector used to track type states for the current method.  */
1271 extern vec<tree, va_gc> *type_states;
1272
1273 /* This maps a bytecode offset (PC) to various flags,
1274    listed below (starting with BCODE_). */
1275 extern char *instruction_bits;
1276
1277 /* True iff the byte is the start of an instruction. */
1278 #define BCODE_INSTRUCTION_START 1
1279
1280 /* True iff there is a jump or a return to this location. */
1281 #define BCODE_JUMP_TARGET 2
1282
1283 /* True iff this is the start of an exception handler. */
1284 #define BCODE_EXCEPTION_TARGET 16
1285
1286 /* True iff there is a jump to this location (and it needs a label). */
1287 #define BCODE_TARGET (BCODE_JUMP_TARGET| BCODE_EXCEPTION_TARGET)
1288
1289 /* True iff there is an entry in the linenumber table for this location. */
1290 #define BCODE_HAS_LINENUMBER 32
1291
1292 /* True iff there is more than one entry in the linenumber table for
1293    this location.  (This probably does not make much sense.)  */
1294 #define BCODE_HAS_MULTI_LINENUMBERS 64
1295
1296 /* True if this instruction has been verified. */
1297 #define BCODE_VERIFIED 8
1298
1299 /* A pointer to the line number table of the current method. */
1300 extern const unsigned char *linenumber_table;
1301 /* The length (in items) of the line number table. */
1302 extern int linenumber_count;
1303
1304 /* In type_map, means the second half of a 64-bit double or long. */
1305 #define TYPE_SECOND void_type_node
1306
1307 /* In type_map, means the null type (i.e. type of a null reference). */
1308 #define TYPE_NULL ptr_type_node
1309
1310 /* In a type map means the type the address subroutine return address. */
1311 #define TYPE_RETURN_ADDR return_address_type_node
1312
1313 /* A array mapping variable/stack slot index to the type current
1314    in that variable/stack slot.
1315    TYPE_SECOND and TYPE_NULL are special cases. */
1316 extern tree *type_map;
1317
1318 /* Map a stack index to the type currently in that slot. */
1319 #define stack_type_map (type_map + DECL_MAX_LOCALS (current_function_decl))
1320
1321 /* True iff TYPE takes two variable/stack slots. */
1322 #define TYPE_IS_WIDE(TYPE) \
1323   ((TYPE) == double_type_node || (TYPE) == long_type_node)
1324
1325 /* True iff TYPE is a Java array type. */
1326 #define TYPE_ARRAY_P(TYPE) TYPE_LANG_FLAG_1 (TYPE)
1327
1328 /* True for an INDIRECT_REF created from a 'ARRAY.length' operation. */
1329 #define IS_ARRAY_LENGTH_ACCESS(NODE) TREE_LANG_FLAG_4 (NODE)
1330
1331 /* If FUNCTION_TYPE or METHOD_TYPE: cache for build_java_argument_signature. */
1332 #define TYPE_ARGUMENT_SIGNATURE(TYPE) \
1333   (TYPE_MINVAL (TREE_CHECK2 (TYPE, FUNCTION_TYPE, METHOD_TYPE)))
1334
1335 /* Given an array type, give the type of the elements. */
1336 /* FIXME this use of TREE_TYPE conflicts with something or other. */
1337 #define TYPE_ARRAY_ELEMENT(ATYPE) TREE_TYPE (ATYPE)
1338
1339 /* True if class TYPE has been loaded (i.e. parsed plus laid out).
1340    (The check for CLASS_PARSED_P is needed because of Object and Class.) */
1341 #define CLASS_LOADED_P(TYPE) (TYPE_SIZE (TYPE) != NULL_TREE \
1342                               && (CLASS_PARSED_P(TYPE) || TYPE_ARRAY_P(TYPE)))
1343
1344 /* True if class TYPE has been parsed (first pass). */
1345 #define CLASS_PARSED_P(TYPE) TYPE_LANG_FLAG_2 (TYPE)
1346
1347 /* True of a RECORD_TYPE of a class/interface type (not array type) */
1348 #define CLASS_P(TYPE) TYPE_LANG_FLAG_4 (TYPE)
1349
1350 /* True if class TYPE was requested (on command line) to be compiled.*/
1351 #define CLASS_FROM_CURRENTLY_COMPILED_P(TYPE) TYPE_LANG_FLAG_5 (TYPE)
1352
1353 /* True if class TYPE is currently being laid out. Helps in detection
1354    of inheritance cycle occurring as a side effect of performing the
1355    layout of a class.  */
1356 #define CLASS_BEING_LAIDOUT(TYPE) TYPE_LANG_FLAG_6 (TYPE)
1357
1358 /* True if ID is a qualified named (contains . or /) */
1359 #define QUALIFIED_P(ID) TREE_LANG_FLAG_2 (ID)
1360
1361 /* True if ID is a command-line specified filename */
1362 #define IS_A_COMMAND_LINE_FILENAME_P(ID) TREE_LANG_FLAG_4 (ID)
1363
1364 /* True if filename ID has already been parsed */
1365 #define HAS_BEEN_ALREADY_PARSED_P(ID) TREE_LANG_FLAG_5 (ID)
1366
1367 /* True if TYPE (a TREE_TYPE denoting a class type) was found to
1368    feature a finalizer method. */
1369 #define HAS_FINALIZER_P(EXPR) TREE_LANG_FLAG_3 (EXPR)
1370
1371 /* True if NODE belongs to an inner class TYPE_DECL node.
1372    Verifies that NODE as the attributes of a decl.  */
1373 #define INNER_CLASS_DECL_P(NODE) (TYPE_NAME (TREE_TYPE (NODE)) == NODE  \
1374                                   && DECL_CONTEXT (NODE))
1375
1376 /* True if NODE belongs to an inner class RECORD_TYPE node. Checks
1377    that TYPE_NAME bears a decl. An array type wouldn't.  */
1378 #define INNER_CLASS_TYPE_P(NODE) (TREE_CODE (TYPE_NAME (NODE)) == TYPE_DECL \
1379                                   && DECL_CONTEXT (TYPE_NAME (NODE)))
1380
1381 /* True if the class type NODE was declared in an inner scope and is
1382    not a toplevel class */
1383 #define PURE_INNER_CLASS_TYPE_P(NODE) \
1384   (INNER_CLASS_TYPE_P (NODE) && !CLASS_STATIC (TYPE_NAME (NODE)))
1385
1386 /* True if NODE (a TYPE_DECL or a RECORD_TYPE) is an inner class.  */
1387 #define INNER_CLASS_P(NODE) (TREE_CODE (NODE) == TYPE_DECL ?                  \
1388                              INNER_CLASS_DECL_P (NODE) :                      \
1389                              (TREE_CODE (NODE) == RECORD_TYPE ?               \
1390                               INNER_CLASS_TYPE_P (NODE) :                     \
1391                               (abort (), 0)))
1392
1393 /* On a TYPE_DECL, hold the list of inner classes defined within the
1394    scope of TYPE_DECL.  */
1395 #define DECL_INNER_CLASS_LIST(NODE) DECL_INITIAL (TYPE_DECL_CHECK (NODE))
1396
1397 /* Add a FIELD_DECL to RECORD_TYPE RTYPE.
1398    The field has name NAME (a char*), a type FTYPE, and a location of LOC.
1399    Unless this is the first field, FIELD most hold the previous field.
1400    FIELD is set to the newly created FIELD_DECL.
1401
1402    We set DECL_ARTIFICIAL so these fields get skipped by make_class_data
1403    if compiling java.lang.Object or java.lang.Class. */
1404
1405 #define PUSH_FIELD(LOC, RTYPE, FIELD, NAME, FTYPE) \
1406 { tree _field = build_decl (LOC, FIELD_DECL, get_identifier ((NAME)), (FTYPE)); \
1407   if (TYPE_FIELDS (RTYPE) == NULL_TREE) \
1408     TYPE_FIELDS (RTYPE) = _field;       \
1409   else                                  \
1410     DECL_CHAIN(FIELD) = _field;         \
1411   DECL_CONTEXT (_field) = (RTYPE);      \
1412   DECL_ARTIFICIAL (_field) = 1;         \
1413   FIELD = _field; }
1414
1415 #define FINISH_RECORD(RTYPE) layout_type (RTYPE)
1416
1417 /* Start building a RECORD_TYPE constructor's elements in V.  The
1418    constructor will have type CTYPE.  */
1419 #define START_RECORD_CONSTRUCTOR(V, CTYPE) \
1420   do \
1421     { \
1422       vec_alloc (V, 0); \
1423       CONSTRUCTOR_APPEND_ELT (V, TYPE_FIELDS (CTYPE), NULL); \
1424     } \
1425   while (0)
1426
1427 /* Append a field initializer to V for the dummy field for the inherited
1428    fields.  The dummy field has the given VALUE, and the same type as the
1429    super-class.   Must be specified before calls to PUSH_FIELD_VALUE. */
1430 #define PUSH_SUPER_VALUE(V, VALUE) \
1431   do \
1432     { \
1433       constructor_elt *_elt___ = &(V)->last (); \
1434       tree _next___ = DECL_CHAIN (_elt___->index); \
1435       gcc_assert (!DECL_NAME (_elt___->index)); \
1436       _elt___->value = VALUE; \
1437       CONSTRUCTOR_APPEND_ELT (V, _next___, NULL); \
1438     } \
1439   while (0)
1440
1441 /* Append a field initializer to V for a field with the given VALUE.
1442    NAME is a char* string used for error checking;
1443    the initializer must be specified in order. */
1444 #define PUSH_FIELD_VALUE(V, NAME, VALUE)                                \
1445   do \
1446     { \
1447       constructor_elt *_elt___ = &(V)->last (); \
1448       tree _next___ = DECL_CHAIN (_elt___->index); \
1449       gcc_assert (strcmp (IDENTIFIER_POINTER (DECL_NAME (_elt___->index)), \
1450                           NAME) == 0); \
1451       _elt___->value = VALUE; \
1452       CONSTRUCTOR_APPEND_ELT (V, _next___, NULL); \
1453     } \
1454   while (0)
1455
1456 /* Finish creating a record CONSTRUCTOR CONS with type CTYPE and elements V.  */
1457 #define FINISH_RECORD_CONSTRUCTOR(CONS, V, CTYPE)        \
1458   do \
1459     { \
1460       V->pop (); \
1461       CONS = build_constructor (CTYPE, V); \
1462       TREE_CONSTANT (CONS) = 0; \
1463     } \
1464   while (0)
1465
1466 #define BLOCK_EXPR_DECLS(NODE)  BLOCK_VARS(NODE)
1467 #define BLOCK_EXPR_BODY(NODE)   BLOCK_SUBBLOCKS(NODE)
1468
1469 #define BUILD_MONITOR_ENTER(WHERE, ARG)                                 \
1470   {                                                                     \
1471     (WHERE) = build_call_nary (int_type_node,                           \
1472                                build_address_of (soft_monitorenter_node), \
1473                                1, (ARG));                               \
1474     TREE_SIDE_EFFECTS (WHERE) = 1;                                      \
1475   }
1476
1477 #define BUILD_MONITOR_EXIT(WHERE, ARG)                                  \
1478   {                                                                     \
1479     (WHERE) = build_call_nary (int_type_node,                           \
1480                                build_address_of (soft_monitorexit_node), \
1481                                1, (ARG));                               \
1482     TREE_SIDE_EFFECTS (WHERE) = 1;                                      \
1483   }
1484
1485 /* True when we can perform static class initialization optimization */
1486 #define STATIC_CLASS_INIT_OPT_P() \
1487   (flag_optimize_sci && (optimize >= 2))
1488
1489 /* These are the possible values for the `state' field of the class
1490    structure.  This must be kept in sync with libgcj.  */
1491 enum
1492 {
1493   JV_STATE_NOTHING = 0,         /* Set by compiler.  */
1494
1495   JV_STATE_PRELOADING = 1,      /* Can do _Jv_FindClass.  */
1496   JV_STATE_LOADING = 3,         /* Has super installed.  */
1497   JV_STATE_READ = 4,            /* Has been completely defined.  */
1498   JV_STATE_LOADED = 5,          /* Has Miranda methods defined.  */
1499
1500   JV_STATE_COMPILED = 6,        /* This was a compiled class.  */
1501
1502   JV_STATE_PREPARED = 7,        /* Layout & static init done.  */
1503   JV_STATE_LINKED = 9,          /* Strings interned.  */
1504
1505   JV_STATE_IN_PROGRESS = 10,    /* <Clinit> running.  */
1506   JV_STATE_ERROR = 12,
1507
1508   JV_STATE_DONE = 14            /* Must be last.  */
1509 };
1510
1511 #undef DEBUG_JAVA_BINDING_LEVELS
1512
1513 extern void java_genericize (tree);
1514 extern int java_gimplify_expr (tree *, gimple_seq *, gimple_seq *);
1515
1516 extern FILE *finput;
1517
1518 #endif /* ! GCC_JAVA_TREE_H */