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
   4    Free Software Foundation, Inc.
   5
   6 This file is part of GNU CC.
   7
   8 GNU CC 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 2, or (at your option)
  11 any later version.
  12
  13 GNU CC 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 GNU CC; see the file COPYING.  If not, write to
  20 the Free Software Foundation, 59 Temple Place - Suite 330,
  21 Boston, MA 02111-1307, USA.
  22
  23 Java and all Java-based marks are trademarks or registered trademarks
  24 of Sun Microsystems, Inc. in the United States and other countries.
  25 The Free Software Foundation is independent of Sun Microsystems, Inc.  */
  26
  27 /* Hacked by Per Bothner <bothner@cygnus.com> February 1996. */
  28
  29 #include "hash.h"
  30
  31 /* Java language-specific tree codes.  */
  32 #define DEFTREECODE(SYM, NAME, TYPE, LENGTH) SYM,
  33 enum java_tree_code {
  34   __DUMMY = LAST_AND_UNUSED_TREE_CODE,
  35 #include "java-tree.def"
  36   LAST_JAVA_TREE_CODE
  37 };
  38 #undef DEFTREECODE
  39
  40 struct JCF;
  41
  42 /* Usage of TREE_LANG_FLAG_?:
  43    0: IS_A_SINGLE_IMPORT_CLASSFILE_NAME_P (in IDENTIFIER_NODE)
  44       RESOLVE_EXPRESSION_NAME_P (in EXPR_WITH_FILE_LOCATION)
  45       FOR_LOOP_P (in LOOP_EXPR)
  46       ANONYMOUS_CLASS_P (in RECORD_TYPE)
  47       ARG_FINAL_P (in TREE_LIST)
  48    1: CLASS_HAS_SUPER_FLAG (in TREE_VEC).
  49       IS_A_CLASSFILE_NAME (in IDENTIFIER_NODE)
  50       COMPOUND_ASSIGN_P (in EXPR (binop_*))
  51       LOCAL_CLASS_P (in RECORD_TYPE)
  52       BLOCK_IS_IMPLICIT (in BLOCK)
  53       JAVA_FILE_P (in TREE_LIST in current_file_list)
  54    2: RETURN_MAP_ADJUSTED (in TREE_VEC).
  55       QUALIFIED_P (in IDENTIFIER_NODE)
  56       PRIMARY_P (in EXPR_WITH_FILE_LOCATION)
  57       MODIFY_EXPR_FROM_INITIALIZATION_P (in MODIFY_EXPR)
  58       CLASS_METHOD_CHECKED_P (in RECORD_TYPE)
  59       CLASS_FILE_P (in TREE_LIST in current_file_list)
  60    3: IS_AN_IMPORT_ON_DEMAND_P (in IDENTIFIER_NODE)
  61       RESOLVE_PACKAGE_NAME_P (in EXPR_WITH_FILE_LOCATION)
  62       SWITCH_HAS_DEFAULT (in SWITCH_EXPR)
  63       ZIP_FILE_P (in TREE_LIST in current_file_list)
  64       HAS_FINALIZER (in RECORD_TYPE)
  65    4: IS_A_COMMAND_LINE_FILENAME_P (in IDENTIFIER_NODE)
  66       RESOLVE_TYPE_NAME_P (in EXPR_WITH_FILE_LOCATION)
  67       CALL_USING_SUPER (in CALL_EXPR)
  68       IS_ARRAY_LENGTH_ACCESS (in INDIRECT_REF)
  69    5: HAS_BEEN_ALREADY_PARSED_P (in IDENTIFIER_NODE)
  70       IS_BREAK_STMT_P (in EXPR_WITH_FILE_LOCATION)
  71       IS_CRAFTED_STRING_BUFFER_P (in CALL_EXPR)
  72       IS_INIT_CHECKED (in SAVE_EXPR)
  73    6: CAN_COMPLETE_NORMALLY (in statement nodes)
  74       OUTER_FIELD_ACCESS_IDENTIFIER_P (in IDENTIFIER_NODE)
  75
  76    Usage of TYPE_LANG_FLAG_?:
  77    0: CLASS_ACCESS0_GENERATED_P (in RECORD_TYPE)
  78    1: TYPE_ARRAY_P (in RECORD_TYPE).
  79    2: CLASS_PARSED_P (in RECORD_TYPE).
  80    3: CLASS_FROM_SOURCE_P (in RECORD_TYPE).
  81    4: CLASS_P (in RECORD_TYPE).
  82    5: CLASS_FROM_CURRENTLY_COMPILED_SOURCE_P (in RECORD_TYPE)
  83    6: CLASS_BEING_LAIDOUT (in RECORD_TYPE)
  84
  85    Usage of DECL_LANG_FLAG_?:
  86    0: METHOD_DEPRECATED (in FUNCTION_DECL).
  87       FIELD_DEPRECATED (in FIELD_DECL).
  88       CLASS_DEPRECATED (in TYPE_DECL).
  89    1: METHOD_PUBLIC (in FUNCTION_DECL).
  90       FIELD_PUBLIC (in FIELD_DECL).
  91       CLASS_PUBLIC (in TYPE_DECL).
  92    2: METHOD_STATIC (in FUNCTION_DECL).
  93       (But note that FIELD_STATIC uses TREE_STATIC!)
  94       CLASS_COMPLETE_P (in TYPE_DECL)
  95    3: METHOD_FINAL (in FUNCTION_DECL)
  96       FIELD_FINAL (in FIELD_DECL)
  97       CLASS_FINAL (in TYPE_DECL)
  98       DECL_FINAL (in any decl)
  99    4: METHOD_SYNCHRONIZED (in FUNCTION_DECL).
 100       LABEL_IN_SUBR (in LABEL_DECL)
 101       CLASS_INTERFACE (in TYPE_DECL)
 102       FIELD_VOLATILE (int FIELD_DECL)
 103    5: METHOD_ABSTRACT (in FUNCTION_DECL).
 104       LABEL_IS_SUBR_START (in LABEL_DECL)
 105       CLASS_ABSTRACT (in TYPE_DECL)
 106       FIELD_TRANSIENT (in FIELD_DECL)
 107    6: METHOD_TRANSIENT (in FUNCTION_DECL)
 108       LABEL_CHANGED (in LABEL_DECL)
 109       CLASS_SUPER (in TYPE_DECL, ACC_SUPER flag)
 110       FIELD_LOCAL_ALIAS (in FIELD_DECL)
 111    7: DECL_CONSTRUCTOR_P (in FUNCTION_DECL).
 112       CLASS_STATIC (in TYPE_DECL)
 113       FIELD_LOCAL_ALIAS_USED (in FIELD_DECL)
 114       FIELD_THISN (in FIELD_DECL)
 115 */
 116
 117 /* True if the class whose TYPE_BINFO this is has a superclass.
 118    (True of all classes except Object.) */
 119 #define CLASS_HAS_SUPER_FLAG(BINFO) TREE_LANG_FLAG_1(BINFO)
 120 #define CLASS_HAS_SUPER(TYPE) CLASS_HAS_SUPER_FLAG (TYPE_BINFO (TYPE))
 121
 122 /* Return the supertype of class TYPE, or NULL_TREE is it has none. */
 123 #define CLASSTYPE_SUPER(TYPE) (CLASS_HAS_SUPER (TYPE) ? \
 124   BINFO_TYPE (TREE_VEC_ELT (TYPE_BINFO_BASETYPES (TYPE), 0)) : NULL_TREE)
 125
 126 /* True if the class we are compiling is a .java source file;
 127    false if it is a .class bytecode file. */
 128 extern int compiling_from_source;
 129
 130 /* The class defined by the actual (main) file we are compiling. */
 131 #define main_class \
 132   java_global_trees[JTI_MAIN_CLASS]
 133
 134 /* The class we are currently processing. */
 135 #define current_class \
 136   java_global_trees[JTI_CURRENT_CLASS]
 137
 138 /* List of all class DECLs seen so far.  */
 139 #define all_class_list \
 140   java_global_trees[JTI_ALL_CLASS_LIST]
 141
 142 /* List of all class filenames seen so far.  */
 143 #define all_class_filename java_global_trees [JTI_ALL_CLASS_FILENAME]
 144
 145 /* List of virtual method decls called in this translation unit, used to
 146    generate virtual method offset symbol table. */
 147 #define otable_methods java_global_trees [JTI_OTABLE_METHODS]
 148
 149 /* The virtual method offset table. This is emitted as uninitialized data of
 150    the required length, and filled out at run time during class linking. */
 151 #define otable_decl java_global_trees [JTI_OTABLE_DECL]
 152
 153 /* The virtual method offset symbol table. Used by the runtime to fill out the
 154    otable. */
 155 #define otable_syms_decl java_global_trees [JTI_OTABLE_SYMS_DECL]
 156
 157 extern int flag_emit_class_files;
 158
 159 extern int flag_filelist_file;
 160
 161 /* When non zero, assume all native functions are implemented with
 162    JNI, not CNI.  */
 163
 164 extern int flag_jni;
 165
 166 /* When non zero, report the now deprecated empty statements.  */
 167
 168 extern int flag_extraneous_semicolon;
 169
 170 /* When non zero, always check for a non gcj generated classes archive.  */
 171
 172 extern int flag_force_classes_archive_check;
 173
 174 /* When non zero, we emit xref strings. Values of the flag for xref
 175    backends are defined in xref.h.  */
 176
 177 extern int flag_emit_xref;
 178
 179 /* When doing xrefs, tell when not to fold.   */
 180 extern int do_not_fold;
 181
 182 /* Resource name.  */
 183 extern char * resource_name;
 184
 185 /* Turned to 1 if -Wall was encountered. See lang.c for their meanings.  */
 186 extern int flag_wall;
 187 extern int flag_redundant;
 188 extern int flag_not_overriding;
 189 extern int flag_static_local_jdk1_1;
 190
 191 /* When non zero, warn when source file is newer than matching class
 192    file.  */
 193 extern int flag_newer;
 194
 195 /* When non zero, call a library routine to do integer divisions. */
 196 extern int flag_use_divide_subroutine;
 197
 198 /* When non zero, generate code for the Boehm GC.  */
 199 extern int flag_use_boehm_gc;
 200
 201 /* When non zero, assume the runtime uses a hash table to map an
 202    object to its synchronization structure.  */
 203 extern int flag_hash_synchronization;
 204
 205 /* When non zero, generate checks for references to NULL.  */
 206 extern int flag_check_references;
 207
 208 /* Used through STATIC_CLASS_INIT_OPT_P to check whether static
 209    initialization optimization should be performed.  */
 210 extern int flag_optimize_sci;
 211
 212 /* When non zero, use offset tables for virtual method calls
 213    in order to improve binary compatibility. */
 214 extern int flag_indirect_dispatch;
 215
 216 /* Encoding used for source files.  */
 217 extern const char *current_encoding;
 218
 219 /* The Java .class file that provides main_class;  the main input file. */
 220 extern struct JCF *current_jcf;
 221
 222 typedef struct CPool constant_pool;
 223
 224 #define CONSTANT_ResolvedFlag 16
 225
 226 /* The cpool->data[i] for a ResolvedString points to a STRING_CST. */
 227 #define CONSTANT_ResolvedString    (CONSTANT_String+CONSTANT_ResolvedFlag)
 228
 229 /* The cpool->data[i] for a ResolvedClass points to a RECORD_TYPE. */
 230 #define CONSTANT_ResolvedClass     (CONSTANT_Class+CONSTANT_ResolvedFlag)
 231
 232 #define CPOOL_UTF(CPOOL, INDEX) ((tree) (CPOOL)->data[INDEX])
 233
 234 /* A NameAndType constant is represented as a TREE_LIST.
 235    The type is the signature string (as an IDENTIFIER_NODE).  */
 236
 237 #define NAME_AND_TYPE_NAME(CPOOL, IDX) \
 238   CPOOL_UTF(CPOOL, CPOOL_USHORT1(CPOOL, IDX))
 239 #define NAME_AND_TYPE_SIGNATURE(CPOOL, IDX) \
 240   CPOOL_UTF(CPOOL, CPOOL_USHORT2(CPOOL, IDX))
 241
 242 /* A FieldRef, MethodRef or InterfaceMethodRef constant
 243    is represented as a TREE_LIST. */
 244
 245 #define COMPONENT_REF_CLASS_INDEX(CPOOL, IDX) CPOOL_USHORT1(CPOOL, IDX)
 246 #define COMPONENT_REF_NAME_AND_TYPE(CPOOL, IDX) CPOOL_USHORT2(CPOOL, IDX)
 247 #define COMPONENT_REF_NAME(CPOOL, IDX) \
 248   NAME_AND_TYPE_NAME (CPOOL, COMPONENT_REF_NAME_AND_TYPE(CPOOL, IDX))
 249 #define COMPONENT_REF_SIGNATURE(CPOOL, IDX) \
 250   NAME_AND_TYPE_SIGNATURE (CPOOL, COMPONENT_REF_NAME_AND_TYPE(CPOOL, IDX))
 251
 252 enum java_tree_index
 253 {
 254   JTI_PROMOTED_BYTE_TYPE_NODE,
 255   JTI_PROMOTED_SHORT_TYPE_NODE,
 256   JTI_PROMOTED_CHAR_TYPE_NODE,
 257   JTI_PROMOTED_BOOLEAN_TYPE_NODE,
 258
 259   JTI_BYTE_TYPE_NODE,
 260   JTI_SHORT_TYPE_NODE,
 261   JTI_INT_TYPE_NODE,
 262   JTI_LONG_TYPE_NODE,
 263
 264   JTI_UNSIGNED_BYTE_TYPE_NODE,
 265   JTI_UNSIGNED_SHORT_TYPE_NODE,
 266   JTI_UNSIGNED_INT_TYPE_NODE,
 267   JTI_UNSIGNED_LONG_TYPE_NODE,
 268
 269   JTI_BOOLEAN_TYPE_NODE,
 270
 271   JTI_OBJECT_TYPE_NODE,
 272   JTI_UNQUALIFIED_OBJECT_ID_NODE,
 273   JTI_OBJECT_PTR_TYPE_NODE,
 274   JTI_STRING_TYPE_NODE,
 275   JTI_STRING_PTR_TYPE_NODE,
 276   JTI_THROWABLE_TYPE_NODE,
 277   JTI_EXCEPTION_TYPE_NODE,
 278   JTI_RUNTIME_EXCEPTION_TYPE_NODE,
 279   JTI_ERROR_EXCEPTION_TYPE_NODE,
 280   JTI_RAWDATA_PTR_TYPE_NODE,
 281   JTI_CLASS_NOT_FOUND_TYPE_NODE,
 282   JTI_NO_CLASS_DEF_FOUND_TYPE_NODE,
 283
 284   JTI_BYTE_ARRAY_TYPE_NODE,
 285   JTI_SHORT_ARRAY_TYPE_NODE,
 286   JTI_INT_ARRAY_TYPE_NODE,
 287   JTI_LONG_ARRAY_TYPE_NODE,
 288   JTI_BOOLEAN_ARRAY_TYPE_NODE,
 289   JTI_CHAR_ARRAY_TYPE_NODE,
 290   JTI_DOUBLE_ARRAY_TYPE_NODE,
 291   JTI_FLOAT_ARRAY_TYPE_NODE,
 292   JTI_ARRAY_ARRAY_TYPE_NODE,
 293   JTI_OBJECT_ARRAY_TYPE_NODE,
 294   JTI_STRING_ARRAY_TYPE_NODE,
 295   JTI_BOOLEAN_ARRAY_VTABLE,
 296   JTI_BYTE_ARRAY_VTABLE,
 297   JTI_CHAR_ARRAY_VTABLE,
 298   JTI_SHORT_ARRAY_VTABLE,
 299   JTI_INT_ARRAY_VTABLE,
 300   JTI_LONG_ARRAY_VTABLE,
 301   JTI_FLOAT_ARRAY_VTABLE,
 302   JTI_DOUBLE_ARRAY_VTABLE,
 303   JTI_TYPE_IDENTIFIER_NODE,
 304   JTI_INIT_IDENTIFIER_NODE,
 305   JTI_CLINIT_IDENTIFIER_NODE,
 306   JTI_FINIT_IDENTIFIER_NODE,
 307   JTI_INSTINIT_IDENTIFIER_NODE,
 308   JTI_VOID_SIGNATURE_NODE,
 309   JTI_LENGTH_IDENTIFIER_NODE,
 310   JTI_FINALIZE_IDENTIFIER_NODE,
 311   JTI_THIS_IDENTIFIER_NODE,
 312   JTI_SUPER_IDENTIFIER_NODE,
 313   JTI_CONTINUE_IDENTIFIER_NODE,
 314   JTI_ACCESS0_IDENTIFIER_NODE,
 315   JTI_CLASSDOLLAR_IDENTIFIER_NODE,
 316   JTI_ONE_ELT_ARRAY_DOMAIN_TYPE,
 317
 318   JTI_RETURN_ADDRESS_TYPE_NODE,
 319
 320   JTI_BOOLEAN_TRUE_NODE,
 321   JTI_BOOLEAN_FALSE_NODE,
 322
 323   JTI_LONG_ZERO_NODE,
 324   JTI_FLOAT_ZERO_NODE,
 325   JTI_DOUBLE_ZERO_NODE,
 326   JTI_INTEGER_TWO_NODE,
 327   JTI_INTEGER_FOUR_NODE,
 328   JTI_EMPTY_STMT_NODE,
 329
 330   JTI_METHODTABLE_TYPE,
 331   JTI_METHODTABLE_PTR_TYPE,
 332
 333   JTI_UTF8CONST_TYPE,
 334   JTI_UTF8CONST_PTR_TYPE,
 335
 336   JTI_CLASS_TYPE_NODE,
 337   JTI_CLASS_PTR_TYPE,
 338   JTI_FIELD_TYPE_NODE,
 339   JTI_CONSTANTS_TYPE_NODE,
 340   JTI_DTABLE_TYPE,
 341   JTI_DTABLE_PTR_TYPE,
 342   JTI_FIELD_PTR_TYPE_NODE,
 343   JTI_FIELD_INFO_UNION_NODE,
 344   JTI_EXCEPTION_TYPE,
 345   JTI_EXCEPTION_PTR_TYPE,
 346   JTI_LINENUMBERENTRY_TYPE,
 347   JTI_LINENUMBERS_TYPE,
 348   JTI_METHOD_TYPE_NODE,
 349   JTI_METHOD_PTR_TYPE_NODE,
 350   JTI_OTABLE_TYPE,
 351   JTI_OTABLE_PTR_TYPE,
 352   JTI_METHOD_SYMBOL_TYPE,
 353   JTI_METHOD_SYMBOLS_ARRAY_TYPE,
 354   JTI_METHOD_SYMBOLS_ARRAY_PTR_TYPE,
 355
 356   JTI_END_PARAMS_NODE,
 357
 358   JTI_THROW_NODE,
 359   JTI_ALLOC_OBJECT_NODE,
 360   JTI_ALLOC_NO_FINALIZER_NODE,
 361   JTI_SOFT_INSTANCEOF_NODE,
 362   JTI_SOFT_CHECKCAST_NODE,
 363   JTI_SOFT_INITCLASS_NODE,
 364   JTI_SOFT_NEWARRAY_NODE,
 365   JTI_SOFT_ANEWARRAY_NODE,
 366   JTI_SOFT_MULTIANEWARRAY_NODE,
 367   JTI_SOFT_BADARRAYINDEX_NODE,
 368   JTI_SOFT_NULLPOINTER_NODE,
 369   JTI_SOFT_CHECKARRAYSTORE_NODE,
 370   JTI_SOFT_MONITORENTER_NODE,
 371   JTI_SOFT_MONITOREXIT_NODE,
 372   JTI_SOFT_LOOKUPINTERFACEMETHOD_NODE,
 373   JTI_SOFT_LOOKUPJNIMETHOD_NODE,
 374   JTI_SOFT_GETJNIENVNEWFRAME_NODE,
 375   JTI_SOFT_JNIPOPSYSTEMFRAME_NODE,
 376   JTI_SOFT_FMOD_NODE,
 377   JTI_SOFT_IDIV_NODE,
 378   JTI_SOFT_IREM_NODE,
 379   JTI_SOFT_LDIV_NODE,
 380   JTI_SOFT_LREM_NODE,
 381
 382   JTI_ACCESS_FLAGS_TYPE_NODE,
 383
 384   JTI_NATIVECODE_PTR_ARRAY_TYPE_NODE,
 385
 386   JTI_WFL_OPERATOR,
 387   JTI_CURRENT_CONSTANT_POOL_DATA_REF,
 388
 389   JTI_MAIN_CLASS,
 390   JTI_CURRENT_CLASS,
 391   JTI_ALL_CLASS_LIST,
 392   JTI_ALL_CLASS_FILENAME,
 393
 394   JTI_OTABLE_METHODS,
 395   JTI_OTABLE_DECL,
 396   JTI_OTABLE_SYMS_DECL,
 397
 398   JTI_PREDEF_FILENAMES,
 399
 400   JTI_MAX
 401 };
 402
 403 extern tree java_global_trees[JTI_MAX];
 404
 405 /* "Promoted types" that are used for primitive types smaller
 406    than int.  We could use int_type_node, but then we would lose
 407    type information (such as needed for debugging). */
 408 #define promoted_byte_type_node \
 409   java_global_trees[JTI_PROMOTED_BYTE_TYPE_NODE]
 410 #define promoted_short_type_node \
 411   java_global_trees[JTI_PROMOTED_SHORT_TYPE_NODE]
 412 #define promoted_char_type_node \
 413   java_global_trees[JTI_PROMOTED_CHAR_TYPE_NODE]
 414 #define promoted_boolean_type_node \
 415   java_global_trees[JTI_PROMOTED_BOOLEAN_TYPE_NODE]
 416
 417 #define byte_type_node \
 418   java_global_trees[JTI_BYTE_TYPE_NODE]
 419 #define short_type_node \
 420   java_global_trees[JTI_SHORT_TYPE_NODE]
 421 #define int_type_node \
 422   java_global_trees[JTI_INT_TYPE_NODE]
 423 #define long_type_node \
 424   java_global_trees[JTI_LONG_TYPE_NODE]
 425
 426 #define unsigned_byte_type_node \
 427   java_global_trees[JTI_UNSIGNED_BYTE_TYPE_NODE]
 428 #define unsigned_short_type_node \
 429   java_global_trees[JTI_UNSIGNED_SHORT_TYPE_NODE]
 430 #define unsigned_int_type_node \
 431   java_global_trees[JTI_UNSIGNED_INT_TYPE_NODE]
 432 #define unsigned_long_type_node \
 433   java_global_trees[JTI_UNSIGNED_LONG_TYPE_NODE]
 434
 435 #define boolean_type_node \
 436   java_global_trees[JTI_BOOLEAN_TYPE_NODE]
 437
 438 #define object_type_node \
 439   java_global_trees[JTI_OBJECT_TYPE_NODE]
 440 #define unqualified_object_id_node \
 441   java_global_trees[JTI_UNQUALIFIED_OBJECT_ID_NODE]
 442 #define object_ptr_type_node \
 443   java_global_trees[JTI_OBJECT_PTR_TYPE_NODE]
 444 #define string_type_node \
 445   java_global_trees[JTI_STRING_TYPE_NODE]
 446 #define string_ptr_type_node \
 447   java_global_trees[JTI_STRING_PTR_TYPE_NODE]
 448 #define throwable_type_node \
 449   java_global_trees[JTI_THROWABLE_TYPE_NODE]
 450 #define exception_type_node \
 451   java_global_trees[JTI_EXCEPTION_TYPE_NODE]
 452 #define runtime_exception_type_node \
 453   java_global_trees[JTI_RUNTIME_EXCEPTION_TYPE_NODE]
 454 #define error_exception_type_node \
 455   java_global_trees[JTI_ERROR_EXCEPTION_TYPE_NODE]
 456 #define rawdata_ptr_type_node \
 457   java_global_trees[JTI_RAWDATA_PTR_TYPE_NODE]
 458 #define class_not_found_type_node \
 459   java_global_trees[JTI_CLASS_NOT_FOUND_TYPE_NODE]
 460 #define no_class_def_found_type_node \
 461   java_global_trees[JTI_NO_CLASS_DEF_FOUND_TYPE_NODE]
 462
 463 #define byte_array_type_node \
 464   java_global_trees[JTI_BYTE_ARRAY_TYPE_NODE]
 465 #define short_array_type_node \
 466   java_global_trees[JTI_SHORT_ARRAY_TYPE_NODE]
 467 #define int_array_type_node \
 468   java_global_trees[JTI_INT_ARRAY_TYPE_NODE]
 469 #define long_array_type_node \
 470   java_global_trees[JTI_LONG_ARRAY_TYPE_NODE]
 471 #define boolean_array_type_node \
 472   java_global_trees[JTI_BOOLEAN_ARRAY_TYPE_NODE]
 473 #define char_array_type_node \
 474   java_global_trees[JTI_CHAR_ARRAY_TYPE_NODE]
 475 #define double_array_type_node \
 476   java_global_trees[JTI_DOUBLE_ARRAY_TYPE_NODE]
 477 #define float_array_type_node \
 478   java_global_trees[JTI_FLOAT_ARRAY_TYPE_NODE]
 479 #define array_array_type_node \
 480   java_global_trees[JTI_ARRAY_ARRAY_TYPE_NODE]
 481 #define object_array_type_node \
 482   java_global_trees[JTI_OBJECT_ARRAY_TYPE_NODE]
 483 #define string_array_type_node \
 484   java_global_trees[JTI_STRING_ARRAY_TYPE_NODE]
 485 #define boolean_array_vtable \
 486   java_global_trees[JTI_BOOLEAN_ARRAY_VTABLE]
 487 #define byte_array_vtable \
 488   java_global_trees[JTI_BYTE_ARRAY_VTABLE]
 489 #define char_array_vtable \
 490   java_global_trees[JTI_CHAR_ARRAY_VTABLE]
 491 #define short_array_vtable \
 492   java_global_trees[JTI_SHORT_ARRAY_VTABLE]
 493 #define int_array_vtable \
 494   java_global_trees[JTI_INT_ARRAY_VTABLE]
 495 #define long_array_vtable \
 496   java_global_trees[JTI_LONG_ARRAY_VTABLE]
 497 #define float_array_vtable \
 498   java_global_trees[JTI_FLOAT_ARRAY_VTABLE]
 499 #define double_array_vtable \
 500   java_global_trees[JTI_DOUBLE_ARRAY_VTABLE]
 501 #define TYPE_identifier_node \
 502   java_global_trees[JTI_TYPE_IDENTIFIER_NODE]      /* "TYPE" */
 503 #define init_identifier_node \
 504   java_global_trees[JTI_INIT_IDENTIFIER_NODE]      /* "<init>" */
 505 #define clinit_identifier_node \
 506   java_global_trees[JTI_CLINIT_IDENTIFIER_NODE]      /* "<clinit>" */
 507 #define finit_identifier_node \
 508   java_global_trees[JTI_FINIT_IDENTIFIER_NODE]      /* "finit$" */
 509 /* FIXME "instinit$" and "finit$" should be merged  */
 510 #define instinit_identifier_node \
 511   java_global_trees[JTI_INSTINIT_IDENTIFIER_NODE]  /* "instinit$" */
 512 #define void_signature_node \
 513   java_global_trees[JTI_VOID_SIGNATURE_NODE]       /* "()V" */
 514 #define length_identifier_node \
 515   java_global_trees[JTI_LENGTH_IDENTIFIER_NODE]  /* "length" */
 516 #define finalize_identifier_node \
 517   java_global_trees[JTI_FINALIZE_IDENTIFIER_NODE]  /* "finalize" */
 518 #define this_identifier_node \
 519   java_global_trees[JTI_THIS_IDENTIFIER_NODE]  /* "this" */
 520 #define super_identifier_node \
 521   java_global_trees[JTI_SUPER_IDENTIFIER_NODE]  /* "super" */
 522 #define continue_identifier_node \
 523   java_global_trees[JTI_CONTINUE_IDENTIFIER_NODE]  /* "continue" */
 524 #define access0_identifier_node \
 525   java_global_trees[JTI_ACCESS0_IDENTIFIER_NODE] /* "access$0" */
 526 #define classdollar_identifier_node \
 527   java_global_trees[JTI_CLASSDOLLAR_IDENTIFIER_NODE] /* "class$" */
 528 #define one_elt_array_domain_type \
 529   java_global_trees[JTI_ONE_ELT_ARRAY_DOMAIN_TYPE]
 530 /* The type of the return address of a subroutine. */
 531 #define return_address_type_node \
 532   java_global_trees[JTI_RETURN_ADDRESS_TYPE_NODE]
 533
 534 /* Nodes for boolean constants TRUE and FALSE. */
 535 #define boolean_true_node \
 536   java_global_trees[JTI_BOOLEAN_TRUE_NODE]
 537 #define boolean_false_node \
 538   java_global_trees[JTI_BOOLEAN_FALSE_NODE]
 539
 540 /* Integer constants not declared in tree.h. */
 541 #define long_zero_node \
 542   java_global_trees[JTI_LONG_ZERO_NODE]
 543 #define float_zero_node \
 544   java_global_trees[JTI_FLOAT_ZERO_NODE]
 545 #define double_zero_node \
 546   java_global_trees[JTI_DOUBLE_ZERO_NODE]
 547 #define integer_two_node \
 548   java_global_trees[JTI_INTEGER_TWO_NODE]
 549 #define integer_four_node \
 550   java_global_trees[JTI_INTEGER_FOUR_NODE]
 551 #define empty_stmt_node \
 552   java_global_trees[JTI_EMPTY_STMT_NODE]
 553
 554 /* The type for struct methodtable. */
 555 #define methodtable_type \
 556   java_global_trees[JTI_METHODTABLE_TYPE]
 557 #define methodtable_ptr_type \
 558   java_global_trees[JTI_METHODTABLE_PTR_TYPE]
 559
 560 #define utf8const_type \
 561   java_global_trees[JTI_UTF8CONST_TYPE]
 562 #define utf8const_ptr_type \
 563   java_global_trees[JTI_UTF8CONST_PTR_TYPE]
 564
 565 #define class_type_node \
 566   java_global_trees[JTI_CLASS_TYPE_NODE]
 567 #define class_ptr_type \
 568   java_global_trees[JTI_CLASS_PTR_TYPE]
 569 #define field_type_node \
 570   java_global_trees[JTI_FIELD_TYPE_NODE]
 571 #define constants_type_node \
 572   java_global_trees[JTI_CONSTANTS_TYPE_NODE]
 573 #define dtable_type \
 574   java_global_trees[JTI_DTABLE_TYPE]
 575 #define dtable_ptr_type \
 576   java_global_trees[JTI_DTABLE_PTR_TYPE]
 577 #define field_ptr_type_node \
 578   java_global_trees[JTI_FIELD_PTR_TYPE_NODE]
 579 #define field_info_union_node \
 580   java_global_trees[JTI_FIELD_INFO_UNION_NODE]
 581 #define jexception_type \
 582   java_global_trees[JTI_EXCEPTION_TYPE]
 583 #define jexception_ptr_type \
 584   java_global_trees[JTI_EXCEPTION_PTR_TYPE]
 585 #define lineNumberEntry_type \
 586   java_global_trees[JTI_LINENUMBERENTRY_TYPE]
 587 #define lineNumbers_type \
 588   java_global_trees[JTI_LINENUMBERS_TYPE]
 589 #define method_type_node \
 590   java_global_trees[JTI_METHOD_TYPE_NODE]
 591 #define method_ptr_type_node \
 592   java_global_trees[JTI_METHOD_PTR_TYPE_NODE]
 593 #define otable_type \
 594   java_global_trees[JTI_OTABLE_TYPE]
 595 #define otable_ptr_type \
 596   java_global_trees[JTI_OTABLE_PTR_TYPE]
 597 #define method_symbol_type \
 598   java_global_trees[JTI_METHOD_SYMBOL_TYPE]
 599 #define method_symbols_array_type \
 600   java_global_trees[JTI_METHOD_SYMBOLS_ARRAY_TYPE]
 601 #define method_symbols_array_ptr_type \
 602   java_global_trees[JTI_METHOD_SYMBOLS_ARRAY_PTR_TYPE]
 603
 604 #define end_params_node \
 605   java_global_trees[JTI_END_PARAMS_NODE]
 606
 607 /* References to internal libjava functions we use. */
 608 #define throw_node \
 609   java_global_trees[JTI_THROW_NODE]
 610 #define alloc_object_node \
 611   java_global_trees[JTI_ALLOC_OBJECT_NODE]
 612 #define alloc_no_finalizer_node \
 613   java_global_trees[JTI_ALLOC_NO_FINALIZER_NODE]
 614 #define soft_instanceof_node \
 615   java_global_trees[JTI_SOFT_INSTANCEOF_NODE]
 616 #define soft_checkcast_node \
 617   java_global_trees[JTI_SOFT_CHECKCAST_NODE]
 618 #define soft_initclass_node \
 619   java_global_trees[JTI_SOFT_INITCLASS_NODE]
 620 #define soft_newarray_node \
 621   java_global_trees[JTI_SOFT_NEWARRAY_NODE]
 622 #define soft_anewarray_node \
 623   java_global_trees[JTI_SOFT_ANEWARRAY_NODE]
 624 #define soft_multianewarray_node \
 625   java_global_trees[JTI_SOFT_MULTIANEWARRAY_NODE]
 626 #define soft_badarrayindex_node \
 627   java_global_trees[JTI_SOFT_BADARRAYINDEX_NODE]
 628 #define soft_nullpointer_node \
 629   java_global_trees[JTI_SOFT_NULLPOINTER_NODE]
 630 #define soft_checkarraystore_node \
 631   java_global_trees[JTI_SOFT_CHECKARRAYSTORE_NODE]
 632 #define soft_monitorenter_node \
 633   java_global_trees[JTI_SOFT_MONITORENTER_NODE]
 634 #define soft_monitorexit_node \
 635   java_global_trees[JTI_SOFT_MONITOREXIT_NODE]
 636 #define soft_lookupinterfacemethod_node \
 637   java_global_trees[JTI_SOFT_LOOKUPINTERFACEMETHOD_NODE]
 638 #define soft_lookupjnimethod_node \
 639   java_global_trees[JTI_SOFT_LOOKUPJNIMETHOD_NODE]
 640 #define soft_getjnienvnewframe_node \
 641   java_global_trees[JTI_SOFT_GETJNIENVNEWFRAME_NODE]
 642 #define soft_jnipopsystemframe_node \
 643   java_global_trees[JTI_SOFT_JNIPOPSYSTEMFRAME_NODE]
 644 #define soft_fmod_node \
 645   java_global_trees[JTI_SOFT_FMOD_NODE]
 646 #define soft_idiv_node \
 647   java_global_trees[JTI_SOFT_IDIV_NODE]
 648 #define soft_irem_node \
 649   java_global_trees[JTI_SOFT_IREM_NODE]
 650 #define soft_ldiv_node \
 651   java_global_trees[JTI_SOFT_LDIV_NODE]
 652 #define soft_lrem_node \
 653   java_global_trees[JTI_SOFT_LREM_NODE]
 654
 655 #define access_flags_type_node \
 656   java_global_trees[JTI_ACCESS_FLAGS_TYPE_NODE]
 657
 658 #define nativecode_ptr_array_type_node \
 659   java_global_trees[JTI_NATIVECODE_PTR_ARRAY_TYPE_NODE]
 660
 661 #define predef_filenames \
 662   java_global_trees[JTI_PREDEF_FILENAMES]
 663
 664 #define nativecode_ptr_type_node ptr_type_node
 665
 666 /* They need to be reset before processing each class */
 667 extern struct CPool *outgoing_cpool;
 668 /* If non-NULL, an ADDR_EXPR referencing a VAR_DECL containing
 669    the constant data array for the current class. */
 670 #define current_constant_pool_data_ref \
 671   java_global_trees[JTI_CURRENT_CONSTANT_POOL_DATA_REF]
 672
 673 #define wfl_operator \
 674   java_global_trees[JTI_WFL_OPERATOR]
 675
 676 extern const char *cyclic_inheritance_report;
 677
 678 struct lang_identifier
 679 {
 680   struct tree_identifier ignore;
 681   tree global_value, local_value;
 682
 683   /* If non-NULL:  An ADDR_REF to a VAR_DECL that contains
 684    * the Utf8Const representation of the identifier.  */
 685   tree utf8_ref;
 686 };
 687
 688 /* Macros for access to language-specific slots in an identifier.  */
 689 /* Unless specified, each of these slots contains a DECL node or null.  */
 690
 691 /* This represents the value which the identifier has in the
 692    file-scope namespace.  */
 693 #define IDENTIFIER_GLOBAL_VALUE(NODE)   \
 694   (((struct lang_identifier *)(NODE))->global_value)
 695 /* This represents the value which the identifier has in the current
 696    scope.  */
 697 #define IDENTIFIER_LOCAL_VALUE(NODE)    \
 698   (((struct lang_identifier *)(NODE))->local_value)
 699
 700 /* Given an identifier NODE, get the corresponding (non-handle) class.
 701    For get_identifier ("java.lang.Number"), the result is
 702    the struct whose DECL_ASSEMBLER_NAME is "Classjava_lang_Number". */
 703 #define IDENTIFIER_CLASS_VALUE(NODE) IDENTIFIER_GLOBAL_VALUE(NODE)
 704
 705 /* Given an identifier NODE, get the corresponding handle class.
 706    For get_identifier ("java.lang.Number"), the result is
 707    the struct whose DECL_ASSEMBLER_NAME is "Hjava_lang_Number". */
 708 #define IDENTIFIER_HANDLECLASS_VALUE(NODE) ???
 709
 710 /* Given a signature of a reference (or array) type, or a method, return the
 711    corresponding type (if one has been allocated).
 712    Do not use for primitive types, since they may be ambiguous.
 713    (E.g. is "I" a signature or a class name?) */
 714 #define IDENTIFIER_SIGNATURE_TYPE(NODE) IDENTIFIER_GLOBAL_VALUE(NODE)
 715
 716 /* If non-NULL:  An ADDR_REF to a VAR_DECL that contains
 717    the Utf8Const representation of the identifier.  */
 718 #define IDENTIFIER_UTF8_REF(NODE) \
 719   (((struct lang_identifier *)(NODE))->utf8_ref)
 720
 721 #define IDENTIFIER_UTF8_DECL(NODE) \
 722   TREE_OPERAND((((struct lang_identifier *)(NODE))->utf8_ref), 0)
 723
 724 /* For a FUNCTION_DECL, if we are compiling a .class file, then this is
 725    the position in the .class file of the method code.
 726    Specifically, this is the code itself, not the code attribute. */
 727 #define DECL_CODE_OFFSET(DECL) (DECL_LANG_SPECIFIC(DECL)->code_offset)
 728 /* Similarly, the length of the bytecode. */
 729 #define DECL_CODE_LENGTH(DECL) (DECL_LANG_SPECIFIC(DECL)->code_length)
 730 /* Similarly, the position of the LineNumberTable attribute. */
 731 #define DECL_LINENUMBERS_OFFSET(DECL) \
 732   (DECL_LANG_SPECIFIC(DECL)->linenumbers_offset)
 733 /* Similarly, the position of the LocalVariableTable attribute
 734    (following the standard attribute header). */
 735 #define DECL_LOCALVARIABLES_OFFSET(DECL) \
 736   (DECL_LANG_SPECIFIC(DECL)->localvariables_offset)
 737
 738 #define DECL_MAX_LOCALS(DECL) (DECL_LANG_SPECIFIC(DECL)->max_locals)
 739 #define DECL_MAX_STACK(DECL) (DECL_LANG_SPECIFIC(DECL)->max_stack)
 740 /* Number of local variable slots needed for the arguments of this function. */
 741 #define DECL_ARG_SLOT_COUNT(DECL) (DECL_LANG_SPECIFIC(DECL)->arg_slot_count)
 742 /* Information on declaration location */
 743 #define DECL_FUNCTION_WFL(DECL)  (DECL_LANG_SPECIFIC(DECL)->wfl)
 744 /* List of checked thrown exceptions, as specified with the `throws'
 745    keyword */
 746 #define DECL_FUNCTION_THROWS(DECL) (DECL_LANG_SPECIFIC(DECL)->throws_list)
 747 /* List of other constructors of the same class that this constructor
 748    calls */
 749 #define DECL_CONSTRUCTOR_CALLS(DECL) \
 750   (DECL_LANG_SPECIFIC(DECL)->called_constructor)
 751 /* When the function is an access function, the DECL it was trying to
 752    access */
 753 #define DECL_FUNCTION_ACCESS_DECL(DECL) \
 754   (DECL_LANG_SPECIFIC(DECL)->called_constructor)
 755 /* The identifier of the access method used to invoke this method from
 756    an inner class.  */
 757 #define DECL_FUNCTION_INNER_ACCESS(DECL) \
 758   (DECL_LANG_SPECIFIC(DECL)->inner_access)
 759 /* Pointer to the function's current's COMPOUND_EXPR tree (while
 760    completing its body) or the function's block */
 761 #define DECL_FUNCTION_BODY(DECL) (DECL_LANG_SPECIFIC(DECL)->function_decl_body)
 762 /* How specific the function is (for method selection - Java source
 763    code front-end */
 764 #define DECL_SPECIFIC_COUNT(DECL) DECL_ARG_SLOT_COUNT(DECL)
 765 /* For each function decl, init_test_table contains a hash table whose
 766    entries are keyed on class names, and whose values are local
 767    boolean decls.  The variables are intended to be TRUE when the
 768    class has been initialized in this function, and FALSE otherwise.  */
 769 #define DECL_FUNCTION_INIT_TEST_TABLE(DECL) \
 770   (DECL_LANG_SPECIFIC(DECL)->init_test_table)
 771 /* If LOCAL_CLASS_INITIALIZATION_FLAG_P(decl), give class it initializes. */
 772 #define DECL_FUNCTION_INIT_TEST_CLASS(DECL) \
 773   (((struct lang_decl_var*)DECL_LANG_SPECIFIC(DECL))->slot_chain)
 774 /* For each static function decl, itc contains a hash table whose
 775    entries are keyed on class named that are definitively initialized
 776    in DECL.  */
 777 #define DECL_FUNCTION_INITIALIZED_CLASS_TABLE(DECL) \
 778   (DECL_LANG_SPECIFIC(DECL)->ict)
 779 /* A list of all the static method calls in the method DECL (if optimizing).
 780    Actually each TREE_VALUE points to a COMPONT_EXPR that wraps the
 781    invoation so we can later patch it. */
 782 #define DECL_FUNCTION_STATIC_METHOD_INVOCATION_COMPOUND(DECL) \
 783   (DECL_LANG_SPECIFIC(DECL)->smic)
 784 /* The Number of Artificial Parameters (NAP) DECL contains. this$<n>
 785    is excluded, because sometimes created as a parameter before the
 786    function decl exists. */
 787 #define DECL_FUNCTION_NAP(DECL) (DECL_LANG_SPECIFIC(DECL)->nap)
 788 /* True if DECL is a synthetic ctor.  */
 789 #define DECL_FUNCTION_SYNTHETIC_CTOR(DECL) \
 790   (DECL_LANG_SPECIFIC(DECL)->synthetic_ctor)
 791 #define DECL_FIXED_CONSTRUCTOR_P(DECL) (DECL_LANG_SPECIFIC(DECL)->fixed_ctor)
 792
 793 /* A constructor that calls this. */
 794 #define DECL_INIT_CALLS_THIS(DECL) (DECL_LANG_SPECIFIC(DECL)->init_calls_this)
 795
 796 /* True when DECL aliases an outer context local variable.  */
 797 #define FIELD_LOCAL_ALIAS(DECL) DECL_LANG_FLAG_6 (DECL)
 798
 799 /* True when DECL, which aliases an outer context local variable is
 800    used by the inner classe */
 801 #define FIELD_LOCAL_ALIAS_USED(DECL) DECL_LANG_FLAG_7 (DECL)
 802
 803 /* True when DECL is a this$<n> field. Note that
 804    FIELD_LOCAL_ALIAS_USED can be differenciated when tested against
 805    FIELD_LOCAL_ALIAS.  */
 806 #define FIELD_THISN(DECL) DECL_LANG_FLAG_7 (DECL)
 807
 808 /* In a LABEL_DECL, a TREE_VEC that saves the type_map at that point. */
 809 #define LABEL_TYPE_STATE(NODE) (DECL_INITIAL (NODE))
 810
 811 /* In the label of a subroutine, a dummy label that records the
 812    state following a merge of all the ret instructions in this subroutine. */
 813 #define LABEL_RETURN_LABEL(DECL) DECL_ARGUMENTS(DECL)
 814
 815 /* In the label of a sub-routine, records the type state at return.
 816  * A local may be TYPE_UNUSED, which means that the local is not
 817  * used (stored to or loaded from) in this subroutine - at least for
 818  * code that we have verified so far. */
 819 #define LABEL_RETURN_TYPE_STATE(NODE) LABEL_TYPE_STATE (LABEL_RETURN_LABEL (NODE))
 820
 821 /* In a TREE_VEC for a LABEL_RETURN_TYPE_STATE, notes that
 822    TREE_VEC_LENGTH has been adjusted to the correct stack size. */
 823 #define RETURN_MAP_ADJUSTED(NODE) TREE_LANG_FLAG_2(NODE)
 824
 825 /* In the label of a sub-routine, a chain of the return location labels. */
 826 #define LABEL_RETURN_LABELS(node) \
 827   (LABEL_DECL_CHECK (LABEL_RETURN_LABEL(node))->decl.result)
 828
 829 /* In a LABEL_DECL, the next pending label.
 830    See pending_blocks in expr.c. */
 831 #define LABEL_PENDING_CHAIN(NODE) (LABEL_DECL_CHECK (NODE)->decl.result)
 832
 833 /* In a LABEL_DECL, the corresponding bytecode program counter. */
 834 #define LABEL_PC(NODE) ((NODE)->decl.u2.i)
 835
 836 /* Used during verification to mark the label has "changed". (See JVM Spec). */
 837 #define LABEL_CHANGED(NODE) DECL_LANG_FLAG_6(NODE)
 838
 839 /* In a LABEL_DECL, true if we have verified instructions starting here. */
 840 #define LABEL_VERIFIED(NODE) (instruction_bits[LABEL_PC(NODE)]&BCODE_VERIFIED)
 841
 842 /* True if this code is within a subroutine (target of a jsr). */
 843 #define LABEL_IN_SUBR(NODE) DECL_LANG_FLAG_4(NODE)
 844 /* True if this code is the start of a subroutine (target of a jsr). */
 845 #define LABEL_IS_SUBR_START(NODE) DECL_LANG_FLAG_5(NODE)
 846
 847 /* In a LABEL_DECL, if LABEL_IN_SUBR(NODE), points to start of subroutine. */
 848 #define LABEL_SUBR_START(NODE) DECL_ABSTRACT_ORIGIN(NODE)
 849
 850 /* In a LABEL_DECL that has LABEL_IS_SUBR_START, this points to the start
 851    of surrounding subroutine in the case of a nested subroutine,
 852    and NULL_TREE otherwise. */
 853 #define LABEL_SUBR_CONTEXT(NODE) DECL_CONTEXT (LABEL_RETURN_LABEL (NODE))
 854
 855 /* The slot number for this local variable. */
 856 #define DECL_LOCAL_SLOT_NUMBER(NODE) \
 857   (((struct lang_decl_var*)DECL_LANG_SPECIFIC(NODE))->slot_number)
 858 /* The start (bytecode) pc for the valid range of this local variable. */
 859 #define DECL_LOCAL_START_PC(NODE) \
 860   (((struct lang_decl_var*)DECL_LANG_SPECIFIC(NODE))->start_pc)
 861 /* The end (bytecode) pc for the valid range of this local variable. */
 862 #define DECL_LOCAL_END_PC(NODE) \
 863   (((struct lang_decl_var*)DECL_LANG_SPECIFIC(NODE))->end_pc)
 864 /* For a VAR_DECLor PARM_DECL, used to chain decls with the same
 865    slot_number in decl_map. */
 866 #define DECL_LOCAL_SLOT_CHAIN(NODE) \
 867   (((struct lang_decl_var*)DECL_LANG_SPECIFIC(NODE))->slot_chain)
 868 /* For a FIELD_DECL, holds the name of the access method. Used to
 869    read/write the content of the field from an inner class.  */
 870 #define FIELD_INNER_ACCESS(DECL) \
 871   (((struct lang_decl_var*)DECL_LANG_SPECIFIC(DECL))->am)
 872 /* Safely tests whether FIELD_INNER_ACCESS exists or not. */
 873 #define FIELD_INNER_ACCESS_P(DECL) \
 874   DECL_LANG_SPECIFIC (DECL) && FIELD_INNER_ACCESS (DECL)
 875 /* True if a final variable was initialized upon its declaration,
 876    or (if a field) in an initializer.  Set after definite assignment. */
 877 #define DECL_FIELD_FINAL_IUD(NODE) \
 878   (((struct lang_decl_var*)DECL_LANG_SPECIFIC(NODE))->final_iud)
 879 /* The original WFL of a final variable. */
 880 #define DECL_FIELD_FINAL_WFL(NODE) \
 881   (((struct lang_decl_var*)DECL_LANG_SPECIFIC(NODE))->wfl)
 882 /* True if NODE is a local variable final. */
 883 #define LOCAL_FINAL_P(NODE) (DECL_LANG_SPECIFIC (NODE) && DECL_FINAL (NODE))
 884 /* True if NODE is a final field. */
 885 #define FINAL_VARIABLE_P(NODE) (FIELD_FINAL (NODE) && !FIELD_STATIC (NODE))
 886 /* True if NODE is a class final field. */
 887 #define CLASS_FINAL_VARIABLE_P(NODE) \
 888   (FIELD_FINAL (NODE) && FIELD_STATIC (NODE))
 889 /* True if NODE is a class initialization flag. This macro accesses
 890    the flag to read or set it.  */
 891 #define LOCAL_CLASS_INITIALIZATION_FLAG(NODE) \
 892     (((struct lang_decl_var*)DECL_LANG_SPECIFIC(NODE))->cif)
 893 /* True if NODE is a class initialization flag. */
 894 #define LOCAL_CLASS_INITIALIZATION_FLAG_P(NODE) \
 895     (DECL_LANG_SPECIFIC (NODE) && LOCAL_CLASS_INITIALIZATION_FLAG(NODE))
 896 /* Create a DECL_LANG_SPECIFIC if necessary. */
 897 #define MAYBE_CREATE_VAR_LANG_DECL_SPECIFIC(T)                  \
 898   if (DECL_LANG_SPECIFIC (T) == NULL)                           \
 899     {                                                           \
 900       DECL_LANG_SPECIFIC ((T))                                  \
 901         = ((struct lang_decl *)                                 \
 902            ggc_alloc_cleared (sizeof (struct lang_decl_var)));  \
 903     }
 904
 905 /* A ConstantExpression, after folding and name resolution. */
 906 #define CONSTANT_VALUE_P(NODE) \
 907   (TREE_CODE (NODE) == STRING_CST \
 908    || (TREE_CODE (NODE) == INTEGER_CST \
 909        && TREE_CODE (TREE_TYPE (NODE)) != POINTER_TYPE) \
 910    || TREE_CODE (NODE) == REAL_CST)
 911
 912 /* For a local VAR_DECL, holds the index into a words bitstring that
 913    specifies if this decl is definitively assigned.
 914    The value -1 means the variable has been definitely assigned (and not
 915    definitely unassigned).  The value -2 means we already reported an error. */
 916 #define DECL_BIT_INDEX(DECL) (DECL_CHECK (DECL)->decl.pointer_alias_set)
 917
 918 /* DECL_LANG_SPECIFIC for FUNCTION_DECLs. */
 919 struct lang_decl
 920 {
 921   /*  tree chain; not yet used. */
 922   long code_offset;
 923   int code_length;
 924   long linenumbers_offset;
 925   long localvariables_offset;
 926   int arg_slots;
 927   int max_locals, max_stack, arg_slot_count;
 928   tree wfl;                     /* Information on the original location */
 929   tree throws_list;             /* Exception specified by `throws' */
 930   tree function_decl_body;      /* Hold all function's statements */
 931   tree called_constructor;      /* When decl is a constructor, the
 932                                    list of other constructor it calls */
 933   struct hash_table init_test_table;
 934                                 /* Class initialization test variables  */
 935   struct hash_table ict;        /* Initialized (static) Class Table */
 936   tree smic;                    /* Static method invocation compound */
 937   tree inner_access;            /* The identifier of the access method
 938                                    used for invocation from inner classes */
 939   int nap;                      /* Number of artificial parameters */
 940   unsigned int native : 1;      /* Nonzero if this is a native method  */
 941   unsigned int synthetic_ctor : 1; /* Nonzero if this is a synthetic ctor */
 942   unsigned int init_final : 1;  /* Nonzero all finals are initialized */
 943   unsigned int fixed_ctor : 1;
 944   unsigned int init_calls_this : 1;
 945 };
 946
 947 /* init_test_table hash table entry structure.  */
 948 struct init_test_hash_entry
 949 {
 950   struct hash_entry root;
 951   tree init_test_decl;
 952 };
 953
 954 /* DECL_LANG_SPECIFIC for VAR_DECL, PARM_DECL and sometimes FIELD_DECL
 955    (access methods on outer class fields) and final fields. */
 956 struct lang_decl_var
 957 {
 958   int slot_number;
 959   int start_pc;
 960   int end_pc;
 961   tree slot_chain;
 962   tree am;                      /* Access method for this field (1.1) */
 963   tree wfl;                     /* Original wfl */
 964   unsigned int final_iud : 1;   /* Final initialized upon declaration */
 965   unsigned int cif : 1;         /* True: decl is a class initialization flag */
 966 };
 967
 968 /* Macro to access fields in `struct lang_type'.  */
 969
 970 #define TYPE_SIGNATURE(T) (TYPE_LANG_SPECIFIC(T)->signature)
 971 #define TYPE_JCF(T) (TYPE_LANG_SPECIFIC(T)->jcf)
 972 #define TYPE_CPOOL(T) (TYPE_LANG_SPECIFIC(T)->cpool)
 973 #define TYPE_CPOOL_DATA_REF(T) (TYPE_LANG_SPECIFIC(T)->cpool_data_ref)
 974 #define MAYBE_CREATE_TYPE_TYPE_LANG_SPECIFIC(T)                          \
 975   if (TYPE_LANG_SPECIFIC ((T)) == NULL)                                  \
 976     {                                                                    \
 977       TYPE_LANG_SPECIFIC ((T)) =                                         \
 978         ((struct lang_type *)                                            \
 979          ggc_alloc_cleared (sizeof (struct lang_type)));                 \
 980     }
 981
 982 #define TYPE_FINIT_STMT_LIST(T)  (TYPE_LANG_SPECIFIC(T)->finit_stmt_list)
 983 #define TYPE_CLINIT_STMT_LIST(T) (TYPE_LANG_SPECIFIC(T)->clinit_stmt_list)
 984 #define TYPE_II_STMT_LIST(T)     (TYPE_LANG_SPECIFIC(T)->ii_block)
 985 /* The decl of the synthetic method `class$' used to handle `.class'
 986    for non primitive types when compiling to bytecode. */
 987 #define TYPE_DOT_CLASS(T)        (TYPE_LANG_SPECIFIC(T)->dot_class)
 988 #define TYPE_PACKAGE_LIST(T)     (TYPE_LANG_SPECIFIC(T)->package_list)
 989 #define TYPE_IMPORT_LIST(T)      (TYPE_LANG_SPECIFIC(T)->import_list)
 990 #define TYPE_IMPORT_DEMAND_LIST(T) (TYPE_LANG_SPECIFIC(T)->import_demand_list)
 991 #define TYPE_PRIVATE_INNER_CLASS(T) (TYPE_LANG_SPECIFIC(T)->pic)
 992 #define TYPE_PROTECTED_INNER_CLASS(T) (TYPE_LANG_SPECIFIC(T)->poic)
 993
 994 struct lang_type
 995 {
 996   tree signature;
 997   struct JCF *jcf;
 998   struct CPool *cpool;
 999   tree cpool_data_ref;          /* Cached */
1000   tree finit_stmt_list;         /* List of statements finit$ will use */
1001   tree clinit_stmt_list;        /* List of statements <clinit> will use  */
1002   tree ii_block;                /* Instance initializer block */
1003   tree dot_class;               /* The decl of the `class$' function that
1004                                    needs to be invoked and generated when
1005                                    compiling to bytecode to implement
1006                                    <non_primitive_type>.class */
1007   tree package_list;            /* List of package names, progressive */
1008   tree import_list;             /* Imported types, in the CU of this class */
1009   tree import_demand_list;      /* Imported types, in the CU of this class */
1010   unsigned pic:1;               /* Private Inner Class. */
1011   unsigned poic:1;              /* Protected Inner Class. */
1012 };
1013
1014 #ifdef JAVA_USE_HANDLES
1015 /* TYPE_BINFO_HANDLE points from a handle-class to its corresponding
1016    non-handle-class, and vice verse. */
1017
1018 #define BINFO_HANDLE(NODE) TREE_VEC_ELT ((NODE), 6)
1019
1020 /* Given a RECORD_TYPE for a handle type, return the corresponding class. */
1021 #define HANDLE_TO_CLASS_TYPE(HTYPE) BINFO_HANDLE (TYPE_BINFO (HTYPE))
1022
1023 /* Given a RECORD_TYPE for a class, return the corresponding handle type. */
1024 #define CLASS_TO_HANDLE_TYPE(TYPE) BINFO_HANDLE (TYPE_BINFO (TYPE))
1025 #else
1026 #define HANDLE_TO_CLASS_TYPE(HTYPE) (HTYPE)
1027 #define CLASS_TO_HANDLE_TYPE(TYPE) (TYPE)
1028 #endif
1029
1030 #define JCF_u4 unsigned long
1031 #define JCF_u2 unsigned short
1032
1033 extern void java_set_yydebug PARAMS ((int));
1034 extern void add_assume_compiled PARAMS ((const char *, int));
1035 extern tree lookup_class PARAMS ((tree));
1036 extern tree lookup_java_constructor PARAMS ((tree, tree));
1037 extern tree lookup_java_method PARAMS ((tree, tree, tree));
1038 extern tree lookup_argument_method PARAMS ((tree, tree, tree));
1039 extern tree lookup_argument_method2 PARAMS ((tree, tree, tree));
1040 extern int has_method PARAMS ((tree, tree));
1041 extern tree promote_type PARAMS ((tree));
1042 extern tree get_constant PARAMS ((struct JCF*, int));
1043 extern tree get_name_constant PARAMS ((struct JCF*, int));
1044 extern tree get_class_constant PARAMS ((struct JCF*, int));
1045 extern tree parse_signature PARAMS ((struct JCF *jcf, int sig_index));
1046 extern tree add_field PARAMS ((tree, tree, tree, int));
1047 extern tree add_method PARAMS ((tree, int, tree, tree));
1048 extern tree add_method_1 PARAMS ((tree, int, tree, tree));
1049 extern tree make_class PARAMS ((void));
1050 extern tree push_class PARAMS ((tree, tree));
1051 extern tree unmangle_classname PARAMS ((const char *name, int name_length));
1052 extern tree parse_signature_string PARAMS ((const unsigned char *, int));
1053 extern tree get_type_from_signature PARAMS ((tree));
1054 extern void layout_class PARAMS ((tree));
1055 extern tree layout_class_method PARAMS ((tree, tree, tree, tree));
1056 extern void layout_class_methods PARAMS ((tree));
1057 extern tree build_class_ref PARAMS ((tree));
1058 extern tree build_dtable_decl PARAMS ((tree));
1059 extern tree build_internal_class_name PARAMS ((tree));
1060 extern tree build_constants_constructor PARAMS ((void));
1061 extern tree build_ref_from_constant_pool PARAMS ((int));
1062 extern void compile_resource_file PARAMS ((char *, const char *));
1063 extern tree build_utf8_ref PARAMS ((tree));
1064 extern tree ident_subst PARAMS ((const char*, int,
1065                                 const char*, int, int, const char*));
1066 extern tree identifier_subst PARAMS ((const tree,
1067                                      const char *, int, int, const char *));
1068 extern void java_init_decl_processing PARAMS ((void));
1069 extern tree build_java_signature PARAMS ((tree));
1070 extern tree build_java_argument_signature PARAMS ((tree));
1071 extern void set_java_signature PARAMS ((tree, tree));
1072 extern tree build_static_field_ref PARAMS ((tree));
1073 extern tree build_address_of PARAMS ((tree));
1074 extern tree find_local_variable PARAMS ((int index, tree type, int pc));
1075 extern tree find_stack_slot PARAMS ((int index, tree type));
1076 extern tree build_prim_array_type PARAMS ((tree, HOST_WIDE_INT));
1077 extern tree build_java_array_type PARAMS ((tree, HOST_WIDE_INT));
1078 extern int is_compiled_class PARAMS ((tree));
1079 extern tree mangled_classname PARAMS ((const char*, tree));
1080 extern tree lookup_label PARAMS ((int));
1081 extern tree pop_type_0 PARAMS ((tree, char**));
1082 extern tree pop_type PARAMS ((tree));
1083 extern tree decode_newarray_type PARAMS ((int));
1084 extern tree lookup_field PARAMS ((tree*, tree));
1085 extern int is_array_type_p PARAMS ((tree));
1086 extern HOST_WIDE_INT java_array_type_length PARAMS ((tree));
1087 extern int read_class PARAMS ((tree));
1088 extern void load_class PARAMS ((tree, int));
1089
1090 extern tree build_call_or_builtin PARAMS ((tree, tree, tree));
1091 extern void initialize_builtins PARAMS ((void));
1092
1093 extern tree lookup_name PARAMS ((tree));
1094 extern tree build_known_method_ref PARAMS ((tree, tree, tree, tree, tree));
1095 extern tree build_class_init PARAMS ((tree, tree));
1096 extern tree build_invokevirtual PARAMS ((tree, tree));
1097 extern tree build_invokeinterface PARAMS ((tree, tree));
1098 extern tree build_jni_stub PARAMS ((tree));
1099 extern tree invoke_build_dtable PARAMS ((int, tree));
1100 extern tree build_field_ref PARAMS ((tree, tree, tree));
1101 extern void pushdecl_force_head PARAMS ((tree));
1102 extern tree build_java_binop PARAMS ((enum tree_code, tree, tree, tree));
1103 extern tree build_java_soft_divmod PARAMS ((enum tree_code, tree, tree, tree));
1104 extern tree binary_numeric_promotion PARAMS ((tree, tree, tree *, tree *));
1105 extern tree build_java_arrayaccess PARAMS ((tree, tree, tree));
1106 extern tree build_newarray PARAMS ((int, tree));
1107 extern tree build_anewarray PARAMS ((tree, tree));
1108 extern tree build_new_array PARAMS ((tree, tree));
1109 extern tree build_java_array_length_access PARAMS ((tree));
1110 extern tree build_java_arraynull_check PARAMS ((tree, tree, tree));
1111 extern tree build_java_indirect_ref PARAMS ((tree, tree, int));
1112 extern tree java_check_reference PARAMS ((tree, int));
1113 extern tree build_get_class PARAMS ((tree));
1114 extern tree build_instanceof PARAMS ((tree, tree));
1115 extern tree create_label_decl PARAMS ((tree));
1116 extern void push_labeled_block PARAMS ((tree));
1117 extern tree prepare_eh_table_type PARAMS ((tree));
1118 extern tree build_exception_object_ref PARAMS ((tree));
1119 extern tree generate_name PARAMS ((void));
1120 extern void pop_labeled_block PARAMS ((void));
1121 extern const char *lang_printable_name PARAMS ((tree, int));
1122 extern tree maybe_add_interface PARAMS ((tree, tree));
1123 extern void set_super_info PARAMS ((int, tree, tree, int));
1124 extern void set_class_decl_access_flags PARAMS ((int, tree));
1125 extern int get_access_flags_from_decl PARAMS ((tree));
1126 extern int interface_of_p PARAMS ((tree, tree));
1127 extern int inherits_from_p PARAMS ((tree, tree));
1128 extern int common_enclosing_context_p PARAMS ((tree, tree));
1129 extern int enclosing_context_p PARAMS ((tree, tree));
1130 extern void complete_start_java_method PARAMS ((tree));
1131 extern tree build_result_decl PARAMS ((tree));
1132 extern void emit_handlers PARAMS ((void));
1133 extern void init_outgoing_cpool PARAMS ((void));
1134 extern void make_class_data PARAMS ((tree));
1135 extern void register_class PARAMS ((void));
1136 extern int alloc_name_constant PARAMS ((int, tree));
1137 extern void emit_register_classes PARAMS ((void));
1138 extern void emit_offset_symbol_table PARAMS ((void));
1139 extern void lang_init_source PARAMS ((int));
1140 extern void write_classfile PARAMS ((tree));
1141 extern char *print_int_node PARAMS ((tree));
1142 extern void parse_error_context PARAMS ((tree cl, const char *, ...))
1143   ATTRIBUTE_PRINTF_2;
1144 extern void finish_class PARAMS ((void));
1145 extern void java_layout_seen_class_methods PARAMS ((void));
1146 extern void check_for_initialization PARAMS ((tree, tree));
1147
1148 extern tree pushdecl_top_level PARAMS ((tree));
1149 extern int alloc_class_constant PARAMS ((tree));
1150 extern void init_expr_processing PARAMS ((void));
1151 extern void push_super_field PARAMS ((tree, tree));
1152 extern void init_class_processing PARAMS ((void));
1153 extern int can_widen_reference_to PARAMS ((tree, tree));
1154 extern int class_depth PARAMS ((tree));
1155 extern int verify_jvm_instructions PARAMS ((struct JCF *, const unsigned char *, long));
1156 extern void maybe_pushlevels PARAMS ((int));
1157 extern void maybe_poplevels PARAMS ((int));
1158 extern void force_poplevels PARAMS ((int));
1159 extern int process_jvm_instruction PARAMS ((int, const unsigned char *, long));
1160 extern int maybe_adjust_start_pc PARAMS ((struct JCF *, int, int, int));
1161 extern void set_local_type PARAMS ((int, tree));
1162 extern int merge_type_state PARAMS ((tree));
1163 extern int push_type_0 PARAMS ((tree));
1164 extern void push_type PARAMS ((tree));
1165 extern void load_type_state PARAMS ((tree));
1166 extern void add_interface PARAMS ((tree, tree));
1167 extern tree force_evaluation_order PARAMS ((tree));
1168 extern int verify_constant_pool PARAMS ((struct JCF *));
1169 extern void start_java_method PARAMS ((tree));
1170 extern void end_java_method PARAMS ((void));
1171 extern void give_name_to_locals PARAMS ((struct JCF *));
1172 extern void note_instructions PARAMS ((struct JCF *, tree));
1173 extern void expand_byte_code PARAMS ((struct JCF *, tree));
1174 extern int open_in_zip PARAMS ((struct JCF *, const char *, const char *, int));
1175 extern void set_constant_value PARAMS ((tree, tree));
1176 #ifdef jword
1177 extern int find_constant1 PARAMS ((struct CPool *, int, jword));
1178 extern int find_constant2 PARAMS ((struct CPool *, int, jword, jword));
1179 #endif
1180 extern int find_utf8_constant PARAMS ((struct CPool *, tree));
1181 extern int find_string_constant PARAMS ((struct CPool *, tree));
1182 extern int find_class_constant PARAMS ((struct CPool *, tree));
1183 extern int find_fieldref_index PARAMS ((struct CPool *, tree));
1184 extern int find_methodref_index PARAMS ((struct CPool *, tree));
1185 extern int find_methodref_with_class_index PARAMS ((struct CPool *, tree, tree));
1186 extern void write_constant_pool PARAMS ((struct CPool *, unsigned char *, int));
1187 extern int count_constant_pool_bytes PARAMS ((struct CPool *));
1188 extern int encode_newarray_type PARAMS ((tree));
1189 #ifdef uint64
1190 extern void format_int PARAMS ((char *, jlong, int));
1191 extern void format_uint PARAMS ((char *, uint64, int));
1192 #endif
1193 extern void jcf_trim_old_input PARAMS ((struct JCF *));
1194 #ifdef BUFSIZ
1195 extern void jcf_print_utf8 PARAMS ((FILE *, const unsigned char *, int));
1196 extern void jcf_print_char PARAMS ((FILE *, int));
1197 extern void jcf_print_utf8_replace PARAMS ((FILE *, const unsigned char *,
1198                                            int, int, int));
1199 # if JCF_USE_STDIO
1200 extern const char* open_class PARAMS ((const char *, struct JCF *,
1201                                        FILE *, const char *));
1202 # else
1203 extern const char* open_class PARAMS ((const char *, struct JCF *,
1204                                        int, const char *));
1205 # endif /* JCF_USE_STDIO */
1206 #endif
1207 extern void java_debug_context PARAMS ((void));
1208 extern void safe_layout_class PARAMS ((tree));
1209
1210 extern tree get_boehm_type_descriptor PARAMS ((tree));
1211 extern bool class_has_finalize_method PARAMS ((tree));
1212 extern unsigned long java_hash_hash_tree_node PARAMS ((hash_table_key));
1213 extern bool java_hash_compare_tree_node PARAMS ((hash_table_key,
1214                                                     hash_table_key));
1215 extern bool attach_initialized_static_class PARAMS ((struct hash_entry *,
1216                                                      PTR));
1217 extern void java_check_methods PARAMS ((tree));
1218 extern void init_jcf_parse PARAMS((void));
1219 extern void init_src_parse PARAMS((void));
1220
1221 extern int cxx_keyword_p PARAMS ((const char *, int));
1222 extern tree java_mangle_decl PARAMS ((struct obstack *, tree));
1223 extern tree java_mangle_class_field PARAMS ((struct obstack *, tree));
1224 extern tree java_mangle_class_field_from_string PARAMS ((struct obstack *, char *));
1225 extern tree java_mangle_vtable PARAMS ((struct obstack *, tree));
1226 extern const char *lang_printable_name_wls PARAMS ((tree, int));
1227 extern void append_gpp_mangled_name PARAMS ((const char *, int));
1228
1229 extern void add_predefined_file PARAMS ((tree));
1230 extern int predefined_filename_p PARAMS ((tree));
1231
1232 /* We use ARGS_SIZE_RTX to indicate that gcc/expr.h has been included
1233    to declare `enum expand_modifier'. */
1234 #if defined (TREE_CODE) && defined(RTX_CODE) && defined (HAVE_MACHINE_MODES) && defined (ARGS_SIZE_RTX)
1235 struct rtx_def * java_lang_expand_expr PARAMS ((tree, rtx, enum machine_mode,
1236                                                enum expand_modifier));
1237 #endif /* TREE_CODE && RTX_CODE && HAVE_MACHINE_MODES && ARGS_SIZE_RTX */
1238
1239 #define DECL_FINAL(DECL) DECL_LANG_FLAG_3 (DECL)
1240
1241 /* Access flags etc for a method (a FUNCTION_DECL): */
1242
1243 #define METHOD_PUBLIC(DECL) DECL_LANG_FLAG_1 (DECL)
1244 #define METHOD_PRIVATE(DECL) TREE_PRIVATE (DECL)
1245 #define METHOD_PROTECTED(DECL) TREE_PROTECTED (DECL)
1246 #define METHOD_STATIC(DECL) DECL_LANG_FLAG_2 (DECL)
1247 #define METHOD_FINAL(DECL) DECL_FINAL (DECL)
1248 #define METHOD_SYNCHRONIZED(DECL) DECL_LANG_FLAG_4 (DECL)
1249 #define METHOD_NATIVE(DECL) (DECL_LANG_SPECIFIC(DECL)->native)
1250 #define METHOD_ABSTRACT(DECL) DECL_LANG_FLAG_5 (DECL)
1251 #define METHOD_TRANSIENT(DECL) DECL_LANG_FLAG_6 (DECL)
1252
1253 #define JAVA_FILE_P(NODE) TREE_LANG_FLAG_2 (NODE)
1254 #define CLASS_FILE_P(NODE) TREE_LANG_FLAG_3 (NODE)
1255 #define ZIP_FILE_P(NODE) TREE_LANG_FLAG_4 (NODE)
1256
1257 /* Other predicates on method decls  */
1258
1259 #define DECL_CONSTRUCTOR_P(DECL) DECL_LANG_FLAG_7(DECL)
1260
1261 #define DECL_INIT_P(DECL)   (ID_INIT_P (DECL_NAME (DECL)))
1262 #define DECL_FINIT_P(DECL)  (ID_FINIT_P (DECL_NAME (DECL)))
1263 #define DECL_CLINIT_P(DECL) (ID_CLINIT_P (DECL_NAME (DECL)))
1264 #define DECL_INSTINIT_P(DECL) (ID_INSTINIT_P (DECL_NAME (DECL)))
1265
1266 /* Predicates on method identifiers. Kept close to other macros using
1267    them  */
1268 #define ID_INIT_P(ID)   ((ID) == init_identifier_node)
1269 #define ID_FINIT_P(ID)  ((ID) == finit_identifier_node)
1270 #define ID_CLINIT_P(ID) ((ID) == clinit_identifier_node)
1271 #define ID_CLASSDOLLAR_P(ID) ((ID) == classdollar_identifier_node)
1272 #define ID_INSTINIT_P(ID) ((ID) == instinit_identifier_node)
1273
1274 /* Access flags etc for a variable/field (a FIELD_DECL): */
1275
1276 #define FIELD_PRIVATE(DECL) TREE_PRIVATE (DECL)
1277 #define FIELD_PROTECTED(DECL) TREE_PROTECTED (DECL)
1278 #define FIELD_PUBLIC(DECL) DECL_LANG_FLAG_1 (DECL)
1279 #define FIELD_STATIC(DECL) TREE_STATIC (DECL)
1280 #define FIELD_FINAL(DECL) DECL_FINAL (DECL)
1281 #define FIELD_VOLATILE(DECL) DECL_LANG_FLAG_4 (DECL)
1282 #define FIELD_TRANSIENT(DECL) DECL_LANG_FLAG_5 (DECL)
1283
1284 /* Access flags etc for a class (a TYPE_DECL): */
1285
1286 #define CLASS_PUBLIC(DECL) DECL_LANG_FLAG_1 (DECL)
1287 #define CLASS_FINAL(DECL) DECL_FINAL (DECL)
1288 #define CLASS_INTERFACE(DECL) DECL_LANG_FLAG_4 (DECL)
1289 #define CLASS_ABSTRACT(DECL) DECL_LANG_FLAG_5 (DECL)
1290 #define CLASS_SUPER(DECL) DECL_LANG_FLAG_6 (DECL)
1291 #define CLASS_STATIC(DECL) DECL_LANG_FLAG_7 (DECL)
1292 #define CLASS_PRIVATE(DECL) (TYPE_PRIVATE_INNER_CLASS (TREE_TYPE (DECL)))
1293 #define CLASS_PROTECTED(DECL) (TYPE_PROTECTED_INNER_CLASS (TREE_TYPE (DECL)))
1294
1295 /* @deprecated marker flag on methods, fields and classes */
1296
1297 #define METHOD_DEPRECATED(DECL) DECL_LANG_FLAG_0 (DECL)
1298 #define FIELD_DEPRECATED(DECL) DECL_LANG_FLAG_0 (DECL)
1299 #define CLASS_DEPRECATED(DECL) DECL_LANG_FLAG_0 (DECL)
1300 #define DECL_DEPRECATED(DECL) DECL_LANG_FLAG_0 (DECL)
1301
1302 /* The number of virtual methods in this class's dispatch table.
1303  Does not include initial two dummy entries (one points to the
1304  Class object, and the other is for G++ -fvtable-thunks compatibility). */
1305 #define TYPE_NVIRTUALS(TYPE) TYPE_BINFO_VIRTUALS (TYPE)
1306
1307 /* A TREE_VEC (indexed by DECL_VINDEX) containing this class's
1308    virtual methods. */
1309 #define TYPE_VTABLE(TYPE) TYPE_BINFO_VTABLE(TYPE)
1310
1311 /* Use CLASS_LOADED_P? FIXME */
1312 #define CLASS_COMPLETE_P(DECL) DECL_LANG_FLAG_2 (DECL)
1313
1314 /* This maps a bytecode offset (PC) to various flags,
1315    listed below (starting with BCODE_). */
1316 extern char *instruction_bits;
1317
1318 /* True iff the byte is the start of an instruction. */
1319 #define BCODE_INSTRUCTION_START 1
1320
1321 /* True iff there is a jump to this location. */
1322 #define BCODE_JUMP_TARGET 2
1323
1324 /* True iff there is a return to this location.
1325    (I.e. the preceding instruction was a call.) */
1326 #define BCODE_RETURN_TARGET 4
1327
1328 /* True iff this is the start of an exception handler. */
1329 #define BCODE_EXCEPTION_TARGET 16
1330
1331 /* True iff there is a jump to this location (and it needs a label). */
1332 #define BCODE_TARGET \
1333   (BCODE_JUMP_TARGET|BCODE_RETURN_TARGET \
1334    | BCODE_EXCEPTION_TARGET)
1335
1336 /* True iff there is an entry in the linenumber table for this location. */
1337 #define BCODE_HAS_LINENUMBER 32
1338
1339 /* True iff there is more than one entry in the linenumber table for
1340    this location.  (This probably does not make much sense.)  */
1341 #define BCODE_HAS_MULTI_LINENUMBERS 64
1342
1343 /* True if this instruction has been verified. */
1344 #define BCODE_VERIFIED 8
1345
1346 /* A pointer to the line number table of the current method. */
1347 extern const unsigned char *linenumber_table;
1348 /* The length (in items) of the line number table. */
1349 extern int linenumber_count;
1350
1351 /* In type_map, means that slot is uninitialized or otherwise unusable. */
1352 #define TYPE_UNKNOWN NULL_TREE
1353
1354 /* In type_map, means the second half of a 64-bit double or long. */
1355 #define TYPE_SECOND void_type_node
1356
1357 /* In type_map, means the null type (i.e. type of a null reference). */
1358 #define TYPE_NULL ptr_type_node
1359
1360 /* In a type map means the type the address subroutine return address. */
1361 #define TYPE_RETURN_ADDR return_address_type_node
1362
1363 /* In a subroutine's return type map, indicates that the slot was neither
1364    used nor set in the subroutine. */
1365 #define TYPE_UNUSED error_mark_node
1366
1367 /* When returned from pop_type_0, indicates stack underflow. */
1368 #define TYPE_UNDERFLOW integer_zero_node
1369
1370 /* When returned from pop_type_0, indicates a type mismatch. */
1371 #define TYPE_UNEXPECTED NULL_TREE
1372
1373 /* A array mapping variable/stack slot index to the type current
1374    in that variable/stack slot.
1375    TYPE_UNKNOWN, TYPE_SECOND, and TYPE_NULL are special cases. */
1376 extern tree *type_map;
1377
1378 /* Map a stack index to the type currently in that slot. */
1379 #define stack_type_map (type_map+DECL_MAX_LOCALS(current_function_decl))
1380
1381 /* True iff TYPE takes two variable/stack slots. */
1382 #define TYPE_IS_WIDE(TYPE) \
1383   ((TYPE) == double_type_node || (TYPE) == long_type_node)
1384
1385 /* True iif CLASS has it's access$0 method generated.  */
1386 #define CLASS_ACCESS0_GENERATED_P(CLASS) TYPE_LANG_FLAG_0 (CLASS)
1387
1388 /* True iff TYPE is a Java array type. */
1389 #define TYPE_ARRAY_P(TYPE) TYPE_LANG_FLAG_1 (TYPE)
1390
1391 /* True for an INDIRECT_REF created from a 'ARRAY.length' operation. */
1392 #define IS_ARRAY_LENGTH_ACCESS(NODE) TREE_LANG_FLAG_4 (NODE)
1393
1394 /* If FUNCTION_TYPE or METHOD_TYPE: cache for build_java_argument_signature. */
1395 #define TYPE_ARGUMENT_SIGNATURE(TYPE) TYPE_VFIELD(TYPE)
1396
1397 /* Given an array type, give the type of the elements. */
1398 /* FIXME this use of TREE_TYPE conflicts with something or other. */
1399 #define TYPE_ARRAY_ELEMENT(ATYPE) TREE_TYPE(ATYPE)
1400
1401 /* True if class TYPE has been loaded (i.e. parsed plus laid out).
1402    (The check for CLASS_PARSED_P is needed because of Object and Class.) */
1403 #define CLASS_LOADED_P(TYPE) (TYPE_SIZE (TYPE) != NULL_TREE \
1404                               && (CLASS_PARSED_P(TYPE) || TYPE_ARRAY_P(TYPE)))
1405
1406 /* True if class TYPE has been parsed (first pass). */
1407 #define CLASS_PARSED_P(TYPE) TYPE_LANG_FLAG_2 (TYPE)
1408
1409 /* True if class TYPE was defined in Java source code. */
1410 #define CLASS_FROM_SOURCE_P(TYPE) TYPE_LANG_FLAG_3 (TYPE)
1411
1412 /* True of a RECORD_TYPE of a class/interface type (not array type) */
1413 #define CLASS_P(TYPE) TYPE_LANG_FLAG_4 (TYPE)
1414
1415 /* True if class TYPE was requested (on command line) to be compiled.*/
1416 #define CLASS_FROM_CURRENTLY_COMPILED_P(TYPE) \
1417   TYPE_LANG_FLAG_5 (TYPE)
1418
1419 /* True if class TYPE is currently being laid out. Helps in detection
1420    of inheritance cycle occurring as a side effect of performing the
1421    layout of a class.  */
1422 #define CLASS_BEING_LAIDOUT(TYPE) TYPE_LANG_FLAG_6 (TYPE)
1423
1424 /* True if class TYPE is currently being laid out. Helps in detection
1425    of inheritance cycle occurring as a side effect of performing the
1426    layout of a class.  */
1427 #define CLASS_BEING_LAIDOUT(TYPE) TYPE_LANG_FLAG_6 (TYPE)
1428
1429 /* True if class TYPE has a field initializer finit$ function */
1430 #define CLASS_HAS_FINIT_P(TYPE) TYPE_FINIT_STMT_LIST (TYPE)
1431
1432 /* True if identifier ID was seen while processing a single type import stmt */
1433 #define IS_A_SINGLE_IMPORT_CLASSFILE_NAME_P(ID) TREE_LANG_FLAG_0 (ID)
1434
1435 /* True if identifier ID was seen while processing an import statement */
1436 #define IS_A_CLASSFILE_NAME(ID) TREE_LANG_FLAG_1 (ID)
1437
1438 /* True if ID is a qualified named (contains . or /) */
1439 #define QUALIFIED_P(ID) TREE_LANG_FLAG_2 (ID)
1440
1441 /* True if ID is an already processed import on demand */
1442 #define IS_AN_IMPORT_ON_DEMAND_P(ID) TREE_LANG_FLAG_3 (ID)
1443
1444 /* True if ID is a command-line specified filename */
1445 #define IS_A_COMMAND_LINE_FILENAME_P(ID) TREE_LANG_FLAG_4 (ID)
1446
1447 /* True if filename ID has already been parsed */
1448 #define HAS_BEEN_ALREADY_PARSED_P(ID) TREE_LANG_FLAG_5 (ID)
1449
1450 /* True if EXPR is RHS sub-tree of a compound assign expression */
1451 #define COMPOUND_ASSIGN_P(EXPR) TREE_LANG_FLAG_1 (EXPR)
1452
1453 /* True if a SWITCH_EXPR has a DEFAULT_EXPR. */
1454 #define SWITCH_HAS_DEFAULT(NODE) TREE_LANG_FLAG_3 (NODE)
1455
1456 /* True if EXPR (a WFL in that case) was created after the
1457    reduction of PRIMARY . XXX */
1458 #define PRIMARY_P(EXPR) TREE_LANG_FLAG_2 (EXPR)
1459
1460 /* True if EXPR (a MODIFY_EXPR in that case) is the result of variable
1461    initialization during its declaration */
1462 #define MODIFY_EXPR_FROM_INITIALIZATION_P(EXPR) TREE_LANG_FLAG_2 (EXPR)
1463
1464 /* True if EXPR (a TREE_TYPE denoting a class type) has its methods
1465    already checked (for redifitions, etc, see java_check_regular_methods.) */
1466 #define CLASS_METHOD_CHECKED_P(EXPR) TREE_LANG_FLAG_2 (EXPR)
1467
1468 /* True if TYPE (a TREE_TYPE denoting a class type) was found to
1469    feature a finalizer method. */
1470 #define HAS_FINALIZER_P(EXPR) TREE_LANG_FLAG_3 (EXPR)
1471
1472 /* True if EXPR (a WFL in that case) resolves into an expression name */
1473 #define RESOLVE_EXPRESSION_NAME_P(WFL) TREE_LANG_FLAG_0 (WFL)
1474
1475 /* True if EXPR (a LOOP_EXPR in that case) is part of a for statement */
1476 #define FOR_LOOP_P(EXPR) TREE_LANG_FLAG_0 (EXPR)
1477
1478 /* True if NODE (a RECORD_TYPE in that case) is an anonymous class.  */
1479 #define ANONYMOUS_CLASS_P(NODE) TREE_LANG_FLAG_0 (NODE)
1480
1481 /* True if NODE (a RECORD_TYPE in that case) is a block local class.  */
1482 #define LOCAL_CLASS_P(NODE) TREE_LANG_FLAG_1 (NODE)
1483
1484 /* True if NODE (a TREE_LIST) hold a pair of argument name/type
1485    declared with the final modifier */
1486 #define ARG_FINAL_P(NODE) TREE_LANG_FLAG_0 (NODE)
1487
1488 /* True if EXPR (a WFL in that case) resolves into a package name */
1489 #define RESOLVE_PACKAGE_NAME_P(WFL) TREE_LANG_FLAG_3 (WFL)
1490
1491 /* True if EXPR (a WFL in that case) resolves into a type name */
1492 #define RESOLVE_TYPE_NAME_P(WFL) TREE_LANG_FLAG_4 (WFL)
1493
1494 /* True if STMT (a WFL in that case) holds a BREAK statement */
1495 #define IS_BREAK_STMT_P(WFL) TREE_LANG_FLAG_5 (WFL)
1496
1497 /* True if EXPR (a CALL_EXPR in that case) is a crafted StringBuffer */
1498 #define IS_CRAFTED_STRING_BUFFER_P(EXPR) TREE_LANG_FLAG_5 (EXPR)
1499
1500 /* True if EXPR (a SAVE_EXPR in that case) had its content already
1501    checked for (un)initialized local variables.  */
1502 #define IS_INIT_CHECKED(EXPR) TREE_LANG_FLAG_5 (EXPR)
1503
1504 /* If set in CALL_EXPR, the receiver is 'super'. */
1505 #define CALL_USING_SUPER(EXPR) TREE_LANG_FLAG_4 (EXPR)
1506
1507 /* True if NODE (a statement) can complete normally. */
1508 #define CAN_COMPLETE_NORMALLY(NODE) TREE_LANG_FLAG_6(NODE)
1509
1510 /* True if NODE (an IDENTIFIER) bears the name of a outer field from
1511    inner class access function.  */
1512 #define OUTER_FIELD_ACCESS_IDENTIFIER_P(NODE) TREE_LANG_FLAG_6(NODE)
1513
1514 /* Non null if NODE belongs to an inner class TYPE_DECL node.
1515    Verifies that NODE as the attributes of a decl.  */
1516 #define INNER_CLASS_DECL_P(NODE) (TYPE_NAME (TREE_TYPE (NODE)) == NODE  \
1517                                   && DECL_CONTEXT (NODE))
1518
1519 /* Non null if NODE is an top level class TYPE_DECL node: NODE isn't
1520    an inner class or NODE is a static class.  */
1521 #define TOPLEVEL_CLASS_DECL_P(NODE) (!INNER_CLASS_DECL_P (NODE)         \
1522                                      || CLASS_STATIC (NODE))
1523
1524 /* True if the class decl NODE was declared in a inner scope and is
1525    not a toplevel class */
1526 #define PURE_INNER_CLASS_DECL_P(NODE) \
1527   (INNER_CLASS_DECL_P (NODE) && !CLASS_STATIC (NODE))
1528
1529 /* Non null if NODE belongs to an inner class RECORD_TYPE node. Checks
1530    that TYPE_NAME bears a decl. An array type wouldn't.  */
1531 #define INNER_CLASS_TYPE_P(NODE) (TREE_CODE (TYPE_NAME (NODE)) == TYPE_DECL \
1532                                   && DECL_CONTEXT (TYPE_NAME (NODE)))
1533
1534 #define TOPLEVEL_CLASS_TYPE_P(NODE) (!INNER_CLASS_TYPE_P (NODE)         \
1535                                      || CLASS_STATIC (TYPE_NAME (NODE)))
1536
1537 /* True if the class type NODE was declared in a inner scope and is
1538    not a toplevel class */
1539 #define PURE_INNER_CLASS_TYPE_P(NODE) \
1540   (INNER_CLASS_TYPE_P (NODE) && !CLASS_STATIC (TYPE_NAME (NODE)))
1541
1542 /* Non null if NODE (a TYPE_DECL or a RECORD_TYPE) is an inner class.  */
1543 #define INNER_CLASS_P(NODE) (TREE_CODE (NODE) == TYPE_DECL ?                  \
1544                              INNER_CLASS_DECL_P (NODE) :                      \
1545                              (TREE_CODE (NODE) == RECORD_TYPE ?               \
1546                               INNER_CLASS_TYPE_P (NODE) :                     \
1547                               (abort (), 0)))
1548
1549 /* On a TYPE_DECL, hold the list of inner classes defined within the
1550    scope of TYPE_DECL.  */
1551 #define DECL_INNER_CLASS_LIST(NODE) DECL_INITIAL (NODE)
1552
1553 /* Build a IDENTIFIER_NODE for a file name we're considering. Since
1554    all_class_filename is a registered root, putting this identifier
1555    in a TREE_LIST it holds keeps this node alive.  */
1556 #define BUILD_FILENAME_IDENTIFIER_NODE(F, S)            \
1557   if (!((F) = maybe_get_identifier ((S))))              \
1558     {                                                   \
1559       (F) = get_identifier ((S));                       \
1560       tree_cons ((F), NULL_TREE, all_class_filename);   \
1561     }
1562
1563 /* Add a FIELD_DECL to RECORD_TYPE RTYPE.
1564    The field has name NAME (a char*), and type FTYPE.
1565    Unless this is the first field, FIELD most hold the previous field.
1566    FIELD is set to the newly created FIELD_DECL.
1567
1568    We set DECL_ARTIFICIAL so these fields get skipped by make_class_data
1569    if compiling java.lang.Object or java.lang.Class. */
1570
1571 #define PUSH_FIELD(RTYPE, FIELD, NAME, FTYPE) \
1572 { tree tmp_field = build_decl (FIELD_DECL, get_identifier(NAME), FTYPE); \
1573   if (TYPE_FIELDS (RTYPE) == NULL_TREE) TYPE_FIELDS (RTYPE) = tmp_field; \
1574   else TREE_CHAIN(FIELD) = tmp_field; \
1575   DECL_CONTEXT (tmp_field) = RTYPE; \
1576   DECL_ARTIFICIAL (tmp_field) = 1; \
1577   FIELD = tmp_field; }
1578
1579 #define FINISH_RECORD(RTYPE) layout_type (RTYPE)
1580
1581 /* Start building a RECORD_TYPE constructor with a given TYPE in CONS. */
1582 #define START_RECORD_CONSTRUCTOR(CONS, CTYPE) { \
1583   CONS = build (CONSTRUCTOR, CTYPE, NULL_TREE, NULL_TREE);\
1584   TREE_CHAIN(CONS) = TYPE_FIELDS (CTYPE); }
1585
1586 /* Append a field initializer to CONS for the dummy field for the inherited
1587    fields.  The dummy field has the given VALUE, and the same type as the
1588    super-class.   Must be specified before calls to PUSH_FIELD_VALUE. */
1589
1590 #define PUSH_SUPER_VALUE(CONS, VALUE) {\
1591   tree field = TREE_CHAIN(CONS);\
1592   if (DECL_NAME (field) != NULL_TREE) abort();\
1593   CONSTRUCTOR_ELTS(CONS) = tree_cons (field, VALUE, CONSTRUCTOR_ELTS(CONS));\
1594   TREE_CHAIN(CONS) = TREE_CHAIN (field); }
1595
1596 /* Append a field initializer to CONS for a field with the given VALUE.
1597    NAME is a char* string used for error checking;
1598    the initializer must be specified in order. */
1599 #define PUSH_FIELD_VALUE(CONS, NAME, VALUE) {\
1600   tree field = TREE_CHAIN(CONS);\
1601   if (strcmp (IDENTIFIER_POINTER (DECL_NAME (field)), NAME) != 0) abort();\
1602   CONSTRUCTOR_ELTS(CONS) = tree_cons (field, VALUE, CONSTRUCTOR_ELTS(CONS));\
1603   TREE_CHAIN(CONS) = TREE_CHAIN (field); }
1604
1605 /* Finish creating a record CONSTRUCTOR CONS. */
1606 #define FINISH_RECORD_CONSTRUCTOR(CONS) \
1607   CONSTRUCTOR_ELTS(CONS) = nreverse (CONSTRUCTOR_ELTS(CONS))
1608
1609 /* Macros on constructors invocations.  */
1610 #define CALL_CONSTRUCTOR_P(NODE)                \
1611   (TREE_CODE (NODE) == NEW_CLASS_EXPR || CALL_EXPLICIT_CONSTRUCTOR_P (NODE))
1612
1613 #define CALL_EXPLICIT_CONSTRUCTOR_P(NODE)                               \
1614   (CALL_THIS_CONSTRUCTOR_P (NODE) || CALL_SUPER_CONSTRUCTOR_P (NODE))
1615
1616 #define CALL_THIS_CONSTRUCTOR_P(NODE)                                   \
1617   (TREE_CODE (NODE) == CALL_EXPR                                        \
1618    && EXPR_WFL_NODE (TREE_OPERAND (NODE, 0)) == this_identifier_node)
1619
1620 #define CALL_SUPER_CONSTRUCTOR_P(NODE)                                  \
1621   (TREE_CODE (NODE) == CALL_EXPR                                        \
1622    && EXPR_WFL_NODE (TREE_OPERAND (NODE, 0)) == super_identifier_node)
1623
1624 /* Using a FINALLY_EXPR node */
1625 #define FINALLY_EXPR_LABEL(NODE) TREE_OPERAND ((NODE), 0)
1626 #define FINALLY_EXPR_BLOCK(NODE) TREE_OPERAND ((NODE), 1)
1627
1628 #define BLOCK_EXPR_DECLS(NODE)  BLOCK_VARS(NODE)
1629 #define BLOCK_EXPR_BODY(NODE)   BLOCK_SUBBLOCKS(NODE)
1630 /* True for an implicit block surrounding declaration not at start of {...}. */
1631 #define BLOCK_IS_IMPLICIT(NODE) TREE_LANG_FLAG_1 (NODE)
1632
1633 #define BUILD_MONITOR_ENTER(WHERE, ARG)                         \
1634   {                                                             \
1635     (WHERE) = build (CALL_EXPR, int_type_node,                  \
1636                      build_address_of (soft_monitorenter_node), \
1637                      build_tree_list (NULL_TREE, (ARG)),        \
1638                      NULL_TREE);                                \
1639     TREE_SIDE_EFFECTS (WHERE) = 1;                              \
1640   }
1641
1642 #define BUILD_MONITOR_EXIT(WHERE, ARG)                          \
1643   {                                                             \
1644     (WHERE) = build (CALL_EXPR, int_type_node,                  \
1645                      build_address_of (soft_monitorexit_node),  \
1646                      build_tree_list (NULL_TREE, (ARG)),        \
1647                      NULL_TREE);                                \
1648     TREE_SIDE_EFFECTS (WHERE) = 1;                              \
1649   }
1650
1651 /* Non zero if TYPE is an unchecked exception */
1652 #define IS_UNCHECKED_EXCEPTION_P(TYPE)                          \
1653   (inherits_from_p ((TYPE), runtime_exception_type_node)        \
1654    || inherits_from_p ((TYPE), error_exception_type_node))
1655
1656 /* True when we can perform static class initialization optimization */
1657 #define STATIC_CLASS_INIT_OPT_P() \
1658   (flag_optimize_sci && (optimize >= 2) && ! flag_emit_class_files)
1659
1660 extern int java_error_count;
1661
1662 /* Make the current function where this macro is invoked report error
1663    messages and and return, if any */
1664 #define java_parse_abort_on_error()                                     \
1665   {                                                                     \
1666      if (java_error_count > save_error_count)                           \
1667        return;                                                          \
1668    }
1669
1670 /* These are the possible values for the `state' field of the class
1671    structure.  This must be kept in sync with libgcj.  */
1672 enum
1673 {
1674   JV_STATE_NOTHING = 0,         /* Set by compiler.  */
1675
1676   JV_STATE_PRELOADING = 1,      /* Can do _Jv_FindClass.  */
1677   JV_STATE_LOADING = 3,         /* Has super installed.  */
1678   JV_STATE_LOADED = 5,          /* Is complete.  */
1679
1680   JV_STATE_COMPILED = 6,        /* This was a compiled class.  */
1681
1682   JV_STATE_PREPARED = 7,        /* Layout & static init done.  */
1683   JV_STATE_LINKED = 9,          /* Strings interned.  */
1684
1685   JV_STATE_IN_PROGRESS = 10,    /* <Clinit> running.  */
1686   JV_STATE_DONE = 12,
1687
1688   JV_STATE_ERROR = 14           /* must be last.  */
1689 };
1690
1691 #undef DEBUG_JAVA_BINDING_LEVELS