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
   4    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 2, 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 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 #ifndef GCC_JAVA_TREE_H
  30 #define GCC_JAVA_TREE_H
  31
  32 #include "hashtab.h"
  33
  34 /* Java language-specific tree codes.  */
  35 #define DEFTREECODE(SYM, NAME, TYPE, LENGTH) SYM,
  36 enum java_tree_code {
  37   __DUMMY = LAST_AND_UNUSED_TREE_CODE,
  38 #include "java-tree.def"
  39   LAST_JAVA_TREE_CODE
  40 };
  41 #undef DEFTREECODE
  42
  43 struct JCF;
  44
  45 /* Usage of TREE_LANG_FLAG_?:
  46    0: IS_A_SINGLE_IMPORT_CLASSFILE_NAME_P (in IDENTIFIER_NODE)
  47       RESOLVE_EXPRESSION_NAME_P (in EXPR_WITH_FILE_LOCATION)
  48       FOR_LOOP_P (in LOOP_EXPR)
  49       SUPPRESS_UNREACHABLE_ERROR (for other _EXPR nodes)
  50       ANONYMOUS_CLASS_P (in RECORD_TYPE)
  51       ARG_FINAL_P (in TREE_LIST)
  52    1: CLASS_HAS_SUPER_FLAG (in TREE_VEC).
  53       IS_A_CLASSFILE_NAME (in IDENTIFIER_NODE)
  54       COMPOUND_ASSIGN_P (in EXPR (binop_*))
  55       LOCAL_CLASS_P (in RECORD_TYPE)
  56       BLOCK_IS_IMPLICIT (in BLOCK)
  57       JAVA_FILE_P (in TREE_LIST in current_file_list)
  58    2: RETURN_MAP_ADJUSTED (in TREE_VEC).
  59       QUALIFIED_P (in IDENTIFIER_NODE)
  60       PRIMARY_P (in EXPR_WITH_FILE_LOCATION)
  61       MODIFY_EXPR_FROM_INITIALIZATION_P (in MODIFY_EXPR)
  62       CLASS_METHOD_CHECKED_P (in RECORD_TYPE)
  63       CLASS_FILE_P (in TREE_LIST in current_file_list)
  64    3: IS_AN_IMPORT_ON_DEMAND_P (in IDENTIFIER_NODE)
  65       RESOLVE_PACKAGE_NAME_P (in EXPR_WITH_FILE_LOCATION)
  66       SWITCH_HAS_DEFAULT (in SWITCH_EXPR)
  67       ZIP_FILE_P (in TREE_LIST in current_file_list)
  68       HAS_FINALIZER (in RECORD_TYPE)
  69    4: IS_A_COMMAND_LINE_FILENAME_P (in IDENTIFIER_NODE)
  70       RESOLVE_TYPE_NAME_P (in EXPR_WITH_FILE_LOCATION)
  71       CALL_USING_SUPER (in CALL_EXPR)
  72       IS_ARRAY_LENGTH_ACCESS (in INDIRECT_REF)
  73    5: HAS_BEEN_ALREADY_PARSED_P (in IDENTIFIER_NODE)
  74       IS_BREAK_STMT_P (in EXPR_WITH_FILE_LOCATION)
  75       IS_CRAFTED_STRING_BUFFER_P (in CALL_EXPR)
  76       IS_INIT_CHECKED (in SAVE_EXPR)
  77    6: CAN_COMPLETE_NORMALLY (in statement nodes)
  78       OUTER_FIELD_ACCESS_IDENTIFIER_P (in IDENTIFIER_NODE)
  79
  80    Usage of TYPE_LANG_FLAG_?:
  81    0: CLASS_ACCESS0_GENERATED_P (in RECORD_TYPE)
  82    1: TYPE_ARRAY_P (in RECORD_TYPE).
  83    2: CLASS_PARSED_P (in RECORD_TYPE).
  84    3: CLASS_FROM_SOURCE_P (in RECORD_TYPE).
  85    4: CLASS_P (in RECORD_TYPE).
  86    5: CLASS_FROM_CURRENTLY_COMPILED_SOURCE_P (in RECORD_TYPE)
  87    6: CLASS_BEING_LAIDOUT (in RECORD_TYPE)
  88
  89    Usage of DECL_LANG_FLAG_?:
  90    0: METHOD_DEPRECATED (in FUNCTION_DECL).
  91       FIELD_DEPRECATED (in FIELD_DECL).
  92       CLASS_DEPRECATED (in TYPE_DECL).
  93    1: METHOD_PUBLIC (in FUNCTION_DECL).
  94       FIELD_PUBLIC (in FIELD_DECL).
  95       CLASS_PUBLIC (in TYPE_DECL).
  96    2: METHOD_STATIC (in FUNCTION_DECL).
  97       (But note that FIELD_STATIC uses TREE_STATIC!)
  98       FIELD_SYNTHETIC (in FIELD_DECL)
  99       CLASS_COMPLETE_P (in TYPE_DECL)
 100    3: METHOD_FINAL (in FUNCTION_DECL)
 101       FIELD_FINAL (in FIELD_DECL)
 102       CLASS_FINAL (in TYPE_DECL)
 103       DECL_FINAL (in any decl)
 104    4: METHOD_SYNCHRONIZED (in FUNCTION_DECL).
 105       LABEL_IN_SUBR (in LABEL_DECL)
 106       CLASS_INTERFACE (in TYPE_DECL)
 107       FIELD_VOLATILE (int FIELD_DECL)
 108    5: METHOD_ABSTRACT (in FUNCTION_DECL).
 109       LABEL_IS_SUBR_START (in LABEL_DECL)
 110       CLASS_ABSTRACT (in TYPE_DECL)
 111       FIELD_TRANSIENT (in FIELD_DECL)
 112    6: METHOD_TRANSIENT (in FUNCTION_DECL)
 113       LABEL_CHANGED (in LABEL_DECL)
 114       CLASS_SUPER (in TYPE_DECL, ACC_SUPER flag)
 115       FIELD_LOCAL_ALIAS (in FIELD_DECL)
 116    7: DECL_CONSTRUCTOR_P (in FUNCTION_DECL).
 117       CLASS_STATIC (in TYPE_DECL)
 118       FIELD_LOCAL_ALIAS_USED (in FIELD_DECL)
 119       FIELD_THISN (in FIELD_DECL)
 120 */
 121
 122 /* True if the class whose TYPE_BINFO this is has a superclass.
 123    (True of all classes except Object.) */
 124 #define CLASS_HAS_SUPER_FLAG(BINFO) TREE_LANG_FLAG_1(BINFO)
 125 #define CLASS_HAS_SUPER(TYPE) CLASS_HAS_SUPER_FLAG (TYPE_BINFO (TYPE))
 126
 127 /* Return the supertype of class TYPE, or NULL_TREE is it has none. */
 128 #define CLASSTYPE_SUPER(TYPE) (CLASS_HAS_SUPER (TYPE) ? \
 129   BINFO_TYPE (TREE_VEC_ELT (TYPE_BINFO_BASETYPES (TYPE), 0)) : NULL_TREE)
 130
 131 /* True if the class we are compiling is a .java source file;
 132    false if it is a .class bytecode file. */
 133 extern int compiling_from_source;
 134
 135 /* The class defined by the actual (main) file we are compiling. */
 136 #define main_class \
 137   java_global_trees[JTI_MAIN_CLASS]
 138
 139 /* The class we are currently processing. */
 140 #define current_class \
 141   java_global_trees[JTI_CURRENT_CLASS]
 142
 143 /* List of all class DECLs seen so far.  */
 144 #define all_class_list \
 145   java_global_trees[JTI_ALL_CLASS_LIST]
 146
 147 /* List of all class filenames seen so far.  */
 148 #define all_class_filename java_global_trees [JTI_ALL_CLASS_FILENAME]
 149
 150 /* List of virtual method decls called in this translation unit, used to
 151    generate virtual method offset symbol table. */
 152 #define otable_methods java_global_trees [JTI_OTABLE_METHODS]
 153
 154 /* The virtual method offset table. This is emitted as uninitialized data of
 155    the required length, and filled out at run time during class linking. */
 156 #define otable_decl java_global_trees [JTI_OTABLE_DECL]
 157
 158 /* The virtual method offset symbol table. Used by the runtime to fill out the
 159    otable. */
 160 #define otable_syms_decl java_global_trees [JTI_OTABLE_SYMS_DECL]
 161
 162 extern int flag_emit_class_files;
 163
 164 extern int flag_filelist_file;
 165
 166 /* When nonzero, permit the use of the assert keyword.  */
 167
 168 extern int flag_assert;
 169
 170 /* When nonzero, assume all native functions are implemented with
 171    JNI, not CNI.  */
 172
 173 extern int flag_jni;
 174
 175 /* When nonzero, report the now deprecated empty statements.  */
 176
 177 extern int flag_extraneous_semicolon;
 178
 179 /* When nonzero, always check for a non gcj generated classes archive.  */
 180
 181 extern int flag_force_classes_archive_check;
 182
 183 /* When nonzero, we emit xref strings. Values of the flag for xref
 184    backends are defined in xref.h.  */
 185
 186 extern int flag_emit_xref;
 187
 188 /* When doing xrefs, tell when not to fold.   */
 189 extern int do_not_fold;
 190
 191 /* Resource name.  */
 192 extern char * resource_name;
 193
 194 /* Turned to 1 if -Wall was encountered. See lang.c for their meanings.  */
 195 extern int flag_wall;
 196 extern int flag_redundant;
 197 extern int flag_not_overriding;
 198 extern int flag_static_local_jdk1_1;
 199
 200 /* When nonzero, warn when source file is newer than matching class
 201    file.  */
 202 extern int flag_newer;
 203
 204 /* When nonzero, call a library routine to do integer divisions. */
 205 extern int flag_use_divide_subroutine;
 206
 207 /* When nonzero, generate code for the Boehm GC.  */
 208 extern int flag_use_boehm_gc;
 209
 210 /* When nonzero, assume the runtime uses a hash table to map an
 211    object to its synchronization structure.  */
 212 extern int flag_hash_synchronization;
 213
 214 /* When nonzero, generate checks for references to NULL.  */
 215 extern int flag_check_references;
 216
 217 /* Used through STATIC_CLASS_INIT_OPT_P to check whether static
 218    initialization optimization should be performed.  */
 219 extern int flag_optimize_sci;
 220
 221 /* When nonzero, use offset tables for virtual method calls
 222    in order to improve binary compatibility. */
 223 extern int flag_indirect_dispatch;
 224
 225 /* When zero, don't generate runtime array store checks. */
 226 extern int flag_store_check;
 227
 228 /* Encoding used for source files.  */
 229 extern const char *current_encoding;
 230
 231 /* The Java .class file that provides main_class;  the main input file. */
 232 extern GTY(()) struct JCF * current_jcf;
 233
 234 typedef struct CPool constant_pool;
 235
 236 #define CONSTANT_ResolvedFlag 16
 237
 238 /* The cpool->data[i] for a ResolvedString points to a STRING_CST. */
 239 #define CONSTANT_ResolvedString    (CONSTANT_String+CONSTANT_ResolvedFlag)
 240
 241 /* The cpool->data[i] for a ResolvedClass points to a RECORD_TYPE. */
 242 #define CONSTANT_ResolvedClass     (CONSTANT_Class+CONSTANT_ResolvedFlag)
 243
 244 #define CPOOL_UTF(CPOOL, INDEX) ((CPOOL)->data[INDEX].t)
 245
 246 /* A NameAndType constant is represented as a TREE_LIST.
 247    The type is the signature string (as an IDENTIFIER_NODE).  */
 248
 249 #define NAME_AND_TYPE_NAME(CPOOL, IDX) \
 250   CPOOL_UTF(CPOOL, CPOOL_USHORT1(CPOOL, IDX))
 251 #define NAME_AND_TYPE_SIGNATURE(CPOOL, IDX) \
 252   CPOOL_UTF(CPOOL, CPOOL_USHORT2(CPOOL, IDX))
 253
 254 /* A FieldRef, MethodRef or InterfaceMethodRef constant
 255    is represented as a TREE_LIST. */
 256
 257 #define COMPONENT_REF_CLASS_INDEX(CPOOL, IDX) CPOOL_USHORT1(CPOOL, IDX)
 258 #define COMPONENT_REF_NAME_AND_TYPE(CPOOL, IDX) CPOOL_USHORT2(CPOOL, IDX)
 259 #define COMPONENT_REF_NAME(CPOOL, IDX) \
 260   NAME_AND_TYPE_NAME (CPOOL, COMPONENT_REF_NAME_AND_TYPE(CPOOL, IDX))
 261 #define COMPONENT_REF_SIGNATURE(CPOOL, IDX) \
 262   NAME_AND_TYPE_SIGNATURE (CPOOL, COMPONENT_REF_NAME_AND_TYPE(CPOOL, IDX))
 263
 264 extern GTY(()) tree java_lang_cloneable_identifier_node;
 265 extern GTY(()) tree java_io_serializable_identifier_node;
 266
 267 enum java_tree_index
 268 {
 269   JTI_PROMOTED_BYTE_TYPE_NODE,
 270   JTI_PROMOTED_SHORT_TYPE_NODE,
 271   JTI_PROMOTED_CHAR_TYPE_NODE,
 272   JTI_PROMOTED_BOOLEAN_TYPE_NODE,
 273
 274   JTI_BYTE_TYPE_NODE,
 275   JTI_SHORT_TYPE_NODE,
 276   JTI_INT_TYPE_NODE,
 277   JTI_LONG_TYPE_NODE,
 278
 279   JTI_UNSIGNED_BYTE_TYPE_NODE,
 280   JTI_UNSIGNED_SHORT_TYPE_NODE,
 281   JTI_UNSIGNED_INT_TYPE_NODE,
 282   JTI_UNSIGNED_LONG_TYPE_NODE,
 283
 284   JTI_DECIMAL_INT_MAX_NODE,
 285   JTI_DECIMAL_LONG_MAX_NODE,
 286
 287   JTI_BOOLEAN_TYPE_NODE,
 288
 289   JTI_OBJECT_TYPE_NODE,
 290   JTI_UNQUALIFIED_OBJECT_ID_NODE,
 291   JTI_OBJECT_PTR_TYPE_NODE,
 292   JTI_STRING_TYPE_NODE,
 293   JTI_STRING_PTR_TYPE_NODE,
 294   JTI_THROWABLE_TYPE_NODE,
 295   JTI_EXCEPTION_TYPE_NODE,
 296   JTI_RUNTIME_EXCEPTION_TYPE_NODE,
 297   JTI_ERROR_EXCEPTION_TYPE_NODE,
 298   JTI_RAWDATA_PTR_TYPE_NODE,
 299   JTI_CLASS_NOT_FOUND_TYPE_NODE,
 300   JTI_NO_CLASS_DEF_FOUND_TYPE_NODE,
 301
 302   JTI_BYTE_ARRAY_TYPE_NODE,
 303   JTI_SHORT_ARRAY_TYPE_NODE,
 304   JTI_INT_ARRAY_TYPE_NODE,
 305   JTI_LONG_ARRAY_TYPE_NODE,
 306   JTI_BOOLEAN_ARRAY_TYPE_NODE,
 307   JTI_CHAR_ARRAY_TYPE_NODE,
 308   JTI_DOUBLE_ARRAY_TYPE_NODE,
 309   JTI_FLOAT_ARRAY_TYPE_NODE,
 310   JTI_ARRAY_ARRAY_TYPE_NODE,
 311   JTI_OBJECT_ARRAY_TYPE_NODE,
 312   JTI_STRING_ARRAY_TYPE_NODE,
 313   JTI_BOOLEAN_ARRAY_VTABLE,
 314   JTI_BYTE_ARRAY_VTABLE,
 315   JTI_CHAR_ARRAY_VTABLE,
 316   JTI_SHORT_ARRAY_VTABLE,
 317   JTI_INT_ARRAY_VTABLE,
 318   JTI_LONG_ARRAY_VTABLE,
 319   JTI_FLOAT_ARRAY_VTABLE,
 320   JTI_DOUBLE_ARRAY_VTABLE,
 321   JTI_TYPE_IDENTIFIER_NODE,
 322   JTI_INIT_IDENTIFIER_NODE,
 323   JTI_CLINIT_IDENTIFIER_NODE,
 324   JTI_FINIT_IDENTIFIER_NODE,
 325   JTI_INSTINIT_IDENTIFIER_NODE,
 326   JTI_VOID_SIGNATURE_NODE,
 327   JTI_LENGTH_IDENTIFIER_NODE,
 328   JTI_FINALIZE_IDENTIFIER_NODE,
 329   JTI_THIS_IDENTIFIER_NODE,
 330   JTI_SUPER_IDENTIFIER_NODE,
 331   JTI_CONTINUE_IDENTIFIER_NODE,
 332   JTI_ACCESS0_IDENTIFIER_NODE,
 333   JTI_CLASSDOLLAR_IDENTIFIER_NODE,
 334   JTI_ONE_ELT_ARRAY_DOMAIN_TYPE,
 335
 336   JTI_RETURN_ADDRESS_TYPE_NODE,
 337
 338   JTI_BOOLEAN_TRUE_NODE,
 339   JTI_BOOLEAN_FALSE_NODE,
 340
 341   JTI_LONG_ZERO_NODE,
 342   JTI_FLOAT_ZERO_NODE,
 343   JTI_DOUBLE_ZERO_NODE,
 344   JTI_INTEGER_TWO_NODE,
 345   JTI_INTEGER_FOUR_NODE,
 346   JTI_EMPTY_STMT_NODE,
 347
 348   JTI_METHODTABLE_TYPE,
 349   JTI_METHODTABLE_PTR_TYPE,
 350
 351   JTI_UTF8CONST_TYPE,
 352   JTI_UTF8CONST_PTR_TYPE,
 353
 354   JTI_CLASS_TYPE_NODE,
 355   JTI_CLASS_PTR_TYPE,
 356   JTI_FIELD_TYPE_NODE,
 357   JTI_CONSTANTS_TYPE_NODE,
 358   JTI_DTABLE_TYPE,
 359   JTI_DTABLE_PTR_TYPE,
 360   JTI_FIELD_PTR_TYPE_NODE,
 361   JTI_FIELD_INFO_UNION_NODE,
 362   JTI_EXCEPTION_TYPE,
 363   JTI_EXCEPTION_PTR_TYPE,
 364   JTI_LINENUMBERENTRY_TYPE,
 365   JTI_LINENUMBERS_TYPE,
 366   JTI_METHOD_TYPE_NODE,
 367   JTI_METHOD_PTR_TYPE_NODE,
 368   JTI_OTABLE_TYPE,
 369   JTI_OTABLE_PTR_TYPE,
 370   JTI_METHOD_SYMBOL_TYPE,
 371   JTI_METHOD_SYMBOLS_ARRAY_TYPE,
 372   JTI_METHOD_SYMBOLS_ARRAY_PTR_TYPE,
 373
 374   JTI_END_PARAMS_NODE,
 375
 376   JTI_THROW_NODE,
 377   JTI_ALLOC_OBJECT_NODE,
 378   JTI_ALLOC_NO_FINALIZER_NODE,
 379   JTI_SOFT_INSTANCEOF_NODE,
 380   JTI_SOFT_CHECKCAST_NODE,
 381   JTI_SOFT_INITCLASS_NODE,
 382   JTI_SOFT_NEWARRAY_NODE,
 383   JTI_SOFT_ANEWARRAY_NODE,
 384   JTI_SOFT_MULTIANEWARRAY_NODE,
 385   JTI_SOFT_BADARRAYINDEX_NODE,
 386   JTI_SOFT_NULLPOINTER_NODE,
 387   JTI_SOFT_CHECKARRAYSTORE_NODE,
 388   JTI_SOFT_MONITORENTER_NODE,
 389   JTI_SOFT_MONITOREXIT_NODE,
 390   JTI_SOFT_LOOKUPINTERFACEMETHOD_NODE,
 391   JTI_SOFT_LOOKUPJNIMETHOD_NODE,
 392   JTI_SOFT_GETJNIENVNEWFRAME_NODE,
 393   JTI_SOFT_JNIPOPSYSTEMFRAME_NODE,
 394   JTI_SOFT_FMOD_NODE,
 395   JTI_SOFT_IDIV_NODE,
 396   JTI_SOFT_IREM_NODE,
 397   JTI_SOFT_LDIV_NODE,
 398   JTI_SOFT_LREM_NODE,
 399
 400   JTI_ACCESS_FLAGS_TYPE_NODE,
 401
 402   JTI_NATIVECODE_PTR_ARRAY_TYPE_NODE,
 403
 404   JTI_WFL_OPERATOR,
 405
 406   JTI_MAIN_CLASS,
 407   JTI_CURRENT_CLASS,
 408   JTI_ALL_CLASS_LIST,
 409   JTI_ALL_CLASS_FILENAME,
 410
 411   JTI_OTABLE_METHODS,
 412   JTI_OTABLE_DECL,
 413   JTI_OTABLE_SYMS_DECL,
 414
 415   JTI_PREDEF_FILENAMES,
 416
 417   JTI_MAX
 418 };
 419
 420 extern GTY(()) tree java_global_trees[JTI_MAX];
 421
 422 /* "Promoted types" that are used for primitive types smaller
 423    than int.  We could use int_type_node, but then we would lose
 424    type information (such as needed for debugging). */
 425 #define promoted_byte_type_node \
 426   java_global_trees[JTI_PROMOTED_BYTE_TYPE_NODE]
 427 #define promoted_short_type_node \
 428   java_global_trees[JTI_PROMOTED_SHORT_TYPE_NODE]
 429 #define promoted_char_type_node \
 430   java_global_trees[JTI_PROMOTED_CHAR_TYPE_NODE]
 431 #define promoted_boolean_type_node \
 432   java_global_trees[JTI_PROMOTED_BOOLEAN_TYPE_NODE]
 433
 434 #define byte_type_node \
 435   java_global_trees[JTI_BYTE_TYPE_NODE]
 436 #define short_type_node \
 437   java_global_trees[JTI_SHORT_TYPE_NODE]
 438 #define int_type_node \
 439   java_global_trees[JTI_INT_TYPE_NODE]
 440 #define long_type_node \
 441   java_global_trees[JTI_LONG_TYPE_NODE]
 442
 443 #define unsigned_byte_type_node \
 444   java_global_trees[JTI_UNSIGNED_BYTE_TYPE_NODE]
 445 #define unsigned_short_type_node \
 446   java_global_trees[JTI_UNSIGNED_SHORT_TYPE_NODE]
 447 #define unsigned_int_type_node \
 448   java_global_trees[JTI_UNSIGNED_INT_TYPE_NODE]
 449 #define unsigned_long_type_node \
 450   java_global_trees[JTI_UNSIGNED_LONG_TYPE_NODE]
 451
 452 #define decimal_int_max \
 453   java_global_trees[JTI_DECIMAL_INT_MAX_NODE]
 454 #define decimal_long_max \
 455   java_global_trees[JTI_DECIMAL_LONG_MAX_NODE]
 456
 457 #define boolean_type_node \
 458   java_global_trees[JTI_BOOLEAN_TYPE_NODE]
 459
 460 #define object_type_node \
 461   java_global_trees[JTI_OBJECT_TYPE_NODE]
 462 #define unqualified_object_id_node \
 463   java_global_trees[JTI_UNQUALIFIED_OBJECT_ID_NODE]
 464 #define object_ptr_type_node \
 465   java_global_trees[JTI_OBJECT_PTR_TYPE_NODE]
 466 #define string_type_node \
 467   java_global_trees[JTI_STRING_TYPE_NODE]
 468 #define string_ptr_type_node \
 469   java_global_trees[JTI_STRING_PTR_TYPE_NODE]
 470 #define throwable_type_node \
 471   java_global_trees[JTI_THROWABLE_TYPE_NODE]
 472 #define exception_type_node \
 473   java_global_trees[JTI_EXCEPTION_TYPE_NODE]
 474 #define runtime_exception_type_node \
 475   java_global_trees[JTI_RUNTIME_EXCEPTION_TYPE_NODE]
 476 #define error_exception_type_node \
 477   java_global_trees[JTI_ERROR_EXCEPTION_TYPE_NODE]
 478 #define rawdata_ptr_type_node \
 479   java_global_trees[JTI_RAWDATA_PTR_TYPE_NODE]
 480 #define class_not_found_type_node \
 481   java_global_trees[JTI_CLASS_NOT_FOUND_TYPE_NODE]
 482 #define no_class_def_found_type_node \
 483   java_global_trees[JTI_NO_CLASS_DEF_FOUND_TYPE_NODE]
 484
 485 #define byte_array_type_node \
 486   java_global_trees[JTI_BYTE_ARRAY_TYPE_NODE]
 487 #define short_array_type_node \
 488   java_global_trees[JTI_SHORT_ARRAY_TYPE_NODE]
 489 #define int_array_type_node \
 490   java_global_trees[JTI_INT_ARRAY_TYPE_NODE]
 491 #define long_array_type_node \
 492   java_global_trees[JTI_LONG_ARRAY_TYPE_NODE]
 493 #define boolean_array_type_node \
 494   java_global_trees[JTI_BOOLEAN_ARRAY_TYPE_NODE]
 495 #define char_array_type_node \
 496   java_global_trees[JTI_CHAR_ARRAY_TYPE_NODE]
 497 #define double_array_type_node \
 498   java_global_trees[JTI_DOUBLE_ARRAY_TYPE_NODE]
 499 #define float_array_type_node \
 500   java_global_trees[JTI_FLOAT_ARRAY_TYPE_NODE]
 501 #define array_array_type_node \
 502   java_global_trees[JTI_ARRAY_ARRAY_TYPE_NODE]
 503 #define object_array_type_node \
 504   java_global_trees[JTI_OBJECT_ARRAY_TYPE_NODE]
 505 #define string_array_type_node \
 506   java_global_trees[JTI_STRING_ARRAY_TYPE_NODE]
 507 #define boolean_array_vtable \
 508   java_global_trees[JTI_BOOLEAN_ARRAY_VTABLE]
 509 #define byte_array_vtable \
 510   java_global_trees[JTI_BYTE_ARRAY_VTABLE]
 511 #define char_array_vtable \
 512   java_global_trees[JTI_CHAR_ARRAY_VTABLE]
 513 #define short_array_vtable \
 514   java_global_trees[JTI_SHORT_ARRAY_VTABLE]
 515 #define int_array_vtable \
 516   java_global_trees[JTI_INT_ARRAY_VTABLE]
 517 #define long_array_vtable \
 518   java_global_trees[JTI_LONG_ARRAY_VTABLE]
 519 #define float_array_vtable \
 520   java_global_trees[JTI_FLOAT_ARRAY_VTABLE]
 521 #define double_array_vtable \
 522   java_global_trees[JTI_DOUBLE_ARRAY_VTABLE]
 523 #define TYPE_identifier_node \
 524   java_global_trees[JTI_TYPE_IDENTIFIER_NODE]      /* "TYPE" */
 525 #define init_identifier_node \
 526   java_global_trees[JTI_INIT_IDENTIFIER_NODE]      /* "<init>" */
 527 #define clinit_identifier_node \
 528   java_global_trees[JTI_CLINIT_IDENTIFIER_NODE]      /* "<clinit>" */
 529 #define finit_identifier_node \
 530   java_global_trees[JTI_FINIT_IDENTIFIER_NODE]      /* "finit$" */
 531 /* FIXME "instinit$" and "finit$" should be merged  */
 532 #define instinit_identifier_node \
 533   java_global_trees[JTI_INSTINIT_IDENTIFIER_NODE]  /* "instinit$" */
 534 #define void_signature_node \
 535   java_global_trees[JTI_VOID_SIGNATURE_NODE]       /* "()V" */
 536 #define length_identifier_node \
 537   java_global_trees[JTI_LENGTH_IDENTIFIER_NODE]  /* "length" */
 538 #define finalize_identifier_node \
 539   java_global_trees[JTI_FINALIZE_IDENTIFIER_NODE]  /* "finalize" */
 540 #define this_identifier_node \
 541   java_global_trees[JTI_THIS_IDENTIFIER_NODE]  /* "this" */
 542 #define super_identifier_node \
 543   java_global_trees[JTI_SUPER_IDENTIFIER_NODE]  /* "super" */
 544 #define continue_identifier_node \
 545   java_global_trees[JTI_CONTINUE_IDENTIFIER_NODE]  /* "continue" */
 546 #define access0_identifier_node \
 547   java_global_trees[JTI_ACCESS0_IDENTIFIER_NODE] /* "access$0" */
 548 #define classdollar_identifier_node \
 549   java_global_trees[JTI_CLASSDOLLAR_IDENTIFIER_NODE] /* "class$" */
 550 #define one_elt_array_domain_type \
 551   java_global_trees[JTI_ONE_ELT_ARRAY_DOMAIN_TYPE]
 552 /* The type of the return address of a subroutine. */
 553 #define return_address_type_node \
 554   java_global_trees[JTI_RETURN_ADDRESS_TYPE_NODE]
 555
 556 /* Nodes for boolean constants TRUE and FALSE. */
 557 #define boolean_true_node \
 558   java_global_trees[JTI_BOOLEAN_TRUE_NODE]
 559 #define boolean_false_node \
 560   java_global_trees[JTI_BOOLEAN_FALSE_NODE]
 561
 562 /* Integer constants not declared in tree.h. */
 563 #define long_zero_node \
 564   java_global_trees[JTI_LONG_ZERO_NODE]
 565 #define float_zero_node \
 566   java_global_trees[JTI_FLOAT_ZERO_NODE]
 567 #define double_zero_node \
 568   java_global_trees[JTI_DOUBLE_ZERO_NODE]
 569 #define integer_two_node \
 570   java_global_trees[JTI_INTEGER_TWO_NODE]
 571 #define integer_four_node \
 572   java_global_trees[JTI_INTEGER_FOUR_NODE]
 573 #define empty_stmt_node \
 574   java_global_trees[JTI_EMPTY_STMT_NODE]
 575
 576 /* The type for struct methodtable. */
 577 #define methodtable_type \
 578   java_global_trees[JTI_METHODTABLE_TYPE]
 579 #define methodtable_ptr_type \
 580   java_global_trees[JTI_METHODTABLE_PTR_TYPE]
 581
 582 #define utf8const_type \
 583   java_global_trees[JTI_UTF8CONST_TYPE]
 584 #define utf8const_ptr_type \
 585   java_global_trees[JTI_UTF8CONST_PTR_TYPE]
 586
 587 #define class_type_node \
 588   java_global_trees[JTI_CLASS_TYPE_NODE]
 589 #define class_ptr_type \
 590   java_global_trees[JTI_CLASS_PTR_TYPE]
 591 #define field_type_node \
 592   java_global_trees[JTI_FIELD_TYPE_NODE]
 593 #define constants_type_node \
 594   java_global_trees[JTI_CONSTANTS_TYPE_NODE]
 595 #define dtable_type \
 596   java_global_trees[JTI_DTABLE_TYPE]
 597 #define dtable_ptr_type \
 598   java_global_trees[JTI_DTABLE_PTR_TYPE]
 599 #define field_ptr_type_node \
 600   java_global_trees[JTI_FIELD_PTR_TYPE_NODE]
 601 #define field_info_union_node \
 602   java_global_trees[JTI_FIELD_INFO_UNION_NODE]
 603 #define jexception_type \
 604   java_global_trees[JTI_EXCEPTION_TYPE]
 605 #define jexception_ptr_type \
 606   java_global_trees[JTI_EXCEPTION_PTR_TYPE]
 607 #define lineNumberEntry_type \
 608   java_global_trees[JTI_LINENUMBERENTRY_TYPE]
 609 #define lineNumbers_type \
 610   java_global_trees[JTI_LINENUMBERS_TYPE]
 611 #define method_type_node \
 612   java_global_trees[JTI_METHOD_TYPE_NODE]
 613 #define method_ptr_type_node \
 614   java_global_trees[JTI_METHOD_PTR_TYPE_NODE]
 615 #define otable_type \
 616   java_global_trees[JTI_OTABLE_TYPE]
 617 #define otable_ptr_type \
 618   java_global_trees[JTI_OTABLE_PTR_TYPE]
 619 #define method_symbol_type \
 620   java_global_trees[JTI_METHOD_SYMBOL_TYPE]
 621 #define method_symbols_array_type \
 622   java_global_trees[JTI_METHOD_SYMBOLS_ARRAY_TYPE]
 623 #define method_symbols_array_ptr_type \
 624   java_global_trees[JTI_METHOD_SYMBOLS_ARRAY_PTR_TYPE]
 625
 626 #define end_params_node \
 627   java_global_trees[JTI_END_PARAMS_NODE]
 628
 629 /* References to internal libjava functions we use. */
 630 #define throw_node \
 631   java_global_trees[JTI_THROW_NODE]
 632 #define alloc_object_node \
 633   java_global_trees[JTI_ALLOC_OBJECT_NODE]
 634 #define alloc_no_finalizer_node \
 635   java_global_trees[JTI_ALLOC_NO_FINALIZER_NODE]
 636 #define soft_instanceof_node \
 637   java_global_trees[JTI_SOFT_INSTANCEOF_NODE]
 638 #define soft_checkcast_node \
 639   java_global_trees[JTI_SOFT_CHECKCAST_NODE]
 640 #define soft_initclass_node \
 641   java_global_trees[JTI_SOFT_INITCLASS_NODE]
 642 #define soft_newarray_node \
 643   java_global_trees[JTI_SOFT_NEWARRAY_NODE]
 644 #define soft_anewarray_node \
 645   java_global_trees[JTI_SOFT_ANEWARRAY_NODE]
 646 #define soft_multianewarray_node \
 647   java_global_trees[JTI_SOFT_MULTIANEWARRAY_NODE]
 648 #define soft_badarrayindex_node \
 649   java_global_trees[JTI_SOFT_BADARRAYINDEX_NODE]
 650 #define soft_nullpointer_node \
 651   java_global_trees[JTI_SOFT_NULLPOINTER_NODE]
 652 #define soft_checkarraystore_node \
 653   java_global_trees[JTI_SOFT_CHECKARRAYSTORE_NODE]
 654 #define soft_monitorenter_node \
 655   java_global_trees[JTI_SOFT_MONITORENTER_NODE]
 656 #define soft_monitorexit_node \
 657   java_global_trees[JTI_SOFT_MONITOREXIT_NODE]
 658 #define soft_lookupinterfacemethod_node \
 659   java_global_trees[JTI_SOFT_LOOKUPINTERFACEMETHOD_NODE]
 660 #define soft_lookupjnimethod_node \
 661   java_global_trees[JTI_SOFT_LOOKUPJNIMETHOD_NODE]
 662 #define soft_getjnienvnewframe_node \
 663   java_global_trees[JTI_SOFT_GETJNIENVNEWFRAME_NODE]
 664 #define soft_jnipopsystemframe_node \
 665   java_global_trees[JTI_SOFT_JNIPOPSYSTEMFRAME_NODE]
 666 #define soft_fmod_node \
 667   java_global_trees[JTI_SOFT_FMOD_NODE]
 668 #define soft_idiv_node \
 669   java_global_trees[JTI_SOFT_IDIV_NODE]
 670 #define soft_irem_node \
 671   java_global_trees[JTI_SOFT_IREM_NODE]
 672 #define soft_ldiv_node \
 673   java_global_trees[JTI_SOFT_LDIV_NODE]
 674 #define soft_lrem_node \
 675   java_global_trees[JTI_SOFT_LREM_NODE]
 676
 677 #define access_flags_type_node \
 678   java_global_trees[JTI_ACCESS_FLAGS_TYPE_NODE]
 679
 680 #define nativecode_ptr_array_type_node \
 681   java_global_trees[JTI_NATIVECODE_PTR_ARRAY_TYPE_NODE]
 682
 683 #define predef_filenames \
 684   java_global_trees[JTI_PREDEF_FILENAMES]
 685
 686 #define nativecode_ptr_type_node ptr_type_node
 687
 688 /* They need to be reset before processing each class */
 689 extern GTY(()) struct CPool *outgoing_cpool;
 690
 691 #define wfl_operator \
 692   java_global_trees[JTI_WFL_OPERATOR]
 693
 694 extern const char *cyclic_inheritance_report;
 695
 696 struct lang_identifier GTY(())
 697 {
 698   struct tree_identifier ignore;
 699   tree global_value;
 700   tree local_value;
 701
 702   /* If non-NULL:  An ADDR_REF to a VAR_DECL that contains
 703    * the Utf8Const representation of the identifier.  */
 704   tree utf8_ref;
 705 };
 706
 707 /* The resulting tree type.  */
 708 union lang_tree_node
 709   GTY((desc ("TREE_CODE (&%h.generic) == IDENTIFIER_NODE"),
 710        chain_next ("(union lang_tree_node *)TREE_CHAIN (&%h.generic)")))
 711 {
 712   union tree_node GTY ((tag ("0"),
 713                         desc ("tree_node_structure (&%h)")))
 714     generic;
 715   struct lang_identifier GTY ((tag ("1"))) identifier;
 716 };
 717
 718 /* Macros for access to language-specific slots in an identifier.  */
 719 /* Unless specified, each of these slots contains a DECL node or null.  */
 720
 721 /* This represents the value which the identifier has in the
 722    file-scope namespace.  */
 723 #define IDENTIFIER_GLOBAL_VALUE(NODE)   \
 724   (((struct lang_identifier *)(NODE))->global_value)
 725 /* This represents the value which the identifier has in the current
 726    scope.  */
 727 #define IDENTIFIER_LOCAL_VALUE(NODE)    \
 728   (((struct lang_identifier *)(NODE))->local_value)
 729
 730 /* Given an identifier NODE, get the corresponding (non-handle) class.
 731    For get_identifier ("java.lang.Number"), the result is
 732    the struct whose DECL_ASSEMBLER_NAME is "Classjava_lang_Number". */
 733 #define IDENTIFIER_CLASS_VALUE(NODE) IDENTIFIER_GLOBAL_VALUE(NODE)
 734
 735 /* Given an identifier NODE, get the corresponding handle class.
 736    For get_identifier ("java.lang.Number"), the result is
 737    the struct whose DECL_ASSEMBLER_NAME is "Hjava_lang_Number". */
 738 #define IDENTIFIER_HANDLECLASS_VALUE(NODE) ???
 739
 740 /* Given a signature of a reference (or array) type, or a method, return the
 741    corresponding type (if one has been allocated).
 742    Do not use for primitive types, since they may be ambiguous.
 743    (E.g. is "I" a signature or a class name?) */
 744 #define IDENTIFIER_SIGNATURE_TYPE(NODE) IDENTIFIER_GLOBAL_VALUE(NODE)
 745
 746 /* If non-NULL:  An ADDR_REF to a VAR_DECL that contains
 747    the Utf8Const representation of the identifier.  */
 748 #define IDENTIFIER_UTF8_REF(NODE) \
 749   (((struct lang_identifier *)(NODE))->utf8_ref)
 750
 751 #define IDENTIFIER_UTF8_DECL(NODE) \
 752   TREE_OPERAND((((struct lang_identifier *)(NODE))->utf8_ref), 0)
 753
 754 /* For a FUNCTION_DECL, if we are compiling a .class file, then this is
 755    the position in the .class file of the method code.
 756    Specifically, this is the code itself, not the code attribute. */
 757 #define DECL_CODE_OFFSET(DECL) (DECL_LANG_SPECIFIC(DECL)->u.f.code_offset)
 758 /* Similarly, the length of the bytecode. */
 759 #define DECL_CODE_LENGTH(DECL) (DECL_LANG_SPECIFIC(DECL)->u.f.code_length)
 760 /* Similarly, the position of the LineNumberTable attribute. */
 761 #define DECL_LINENUMBERS_OFFSET(DECL) \
 762   (DECL_LANG_SPECIFIC(DECL)->u.f.linenumbers_offset)
 763 /* Similarly, the position of the LocalVariableTable attribute
 764    (following the standard attribute header). */
 765 #define DECL_LOCALVARIABLES_OFFSET(DECL) \
 766   (DECL_LANG_SPECIFIC(DECL)->u.f.localvariables_offset)
 767
 768 #define DECL_MAX_LOCALS(DECL) (DECL_LANG_SPECIFIC(DECL)->u.f.max_locals)
 769 #define DECL_MAX_STACK(DECL) (DECL_LANG_SPECIFIC(DECL)->u.f.max_stack)
 770 /* Number of local variable slots needed for the arguments of this function. */
 771 #define DECL_ARG_SLOT_COUNT(DECL) \
 772   (DECL_LANG_SPECIFIC(DECL)->u.f.arg_slot_count)
 773 /* Information on declaration location */
 774 #define DECL_FUNCTION_WFL(DECL)  (DECL_LANG_SPECIFIC(DECL)->u.f.wfl)
 775 /* List of checked thrown exceptions, as specified with the `throws'
 776    keyword */
 777 #define DECL_FUNCTION_THROWS(DECL) (DECL_LANG_SPECIFIC(DECL)->u.f.throws_list)
 778 /* List of other constructors of the same class that this constructor
 779    calls */
 780 #define DECL_CONSTRUCTOR_CALLS(DECL) \
 781   (DECL_LANG_SPECIFIC(DECL)->u.f.called_constructor)
 782 /* When the function is an access function, the DECL it was trying to
 783    access */
 784 #define DECL_FUNCTION_ACCESS_DECL(DECL) \
 785   (DECL_LANG_SPECIFIC(DECL)->u.f.called_constructor)
 786 /* The identifier of the access method used to invoke this method from
 787    an inner class.  */
 788 #define DECL_FUNCTION_INNER_ACCESS(DECL) \
 789   (DECL_LANG_SPECIFIC(DECL)->u.f.inner_access)
 790 /* Pointer to the function's current's COMPOUND_EXPR tree (while
 791    completing its body) or the function's block */
 792 #define DECL_FUNCTION_BODY(DECL) \
 793   (DECL_LANG_SPECIFIC(DECL)->u.f.function_decl_body)
 794 /* How specific the function is (for method selection - Java source
 795    code front-end */
 796 #define DECL_SPECIFIC_COUNT(DECL) DECL_ARG_SLOT_COUNT(DECL)
 797 /* For each function decl, init_test_table contains a hash table whose
 798    entries are keyed on class names, and whose values are local
 799    boolean decls.  The variables are intended to be TRUE when the
 800    class has been initialized in this function, and FALSE otherwise.  */
 801 #define DECL_FUNCTION_INIT_TEST_TABLE(DECL) \
 802   (DECL_LANG_SPECIFIC(DECL)->u.f.init_test_table)
 803 /* If LOCAL_CLASS_INITIALIZATION_FLAG_P(decl), give class it initializes. */
 804 #define DECL_FUNCTION_INIT_TEST_CLASS(DECL) \
 805   (DECL_LANG_SPECIFIC(DECL)->u.v.slot_chain)
 806 /* For each static function decl, itc contains a hash table whose
 807    entries are keyed on class named that are definitively initialized
 808    in DECL.  */
 809 #define DECL_FUNCTION_INITIALIZED_CLASS_TABLE(DECL) \
 810   (DECL_LANG_SPECIFIC(DECL)->u.f.ict)
 811 /* A list of all the static method calls in the method DECL (if optimizing).
 812    Actually each TREE_VALUE points to a COMPONT_EXPR that wraps the
 813    invocation so we can later patch it.  */
 814 #define DECL_FUNCTION_STATIC_METHOD_INVOCATION_COMPOUND(DECL) \
 815   (DECL_LANG_SPECIFIC(DECL)->u.f.smic)
 816 /* The Number of Artificial Parameters (NAP) DECL contains. this$<n>
 817    is excluded, because sometimes created as a parameter before the
 818    function decl exists. */
 819 #define DECL_FUNCTION_NAP(DECL) (DECL_LANG_SPECIFIC(DECL)->u.f.nap)
 820 /* True if DECL is a synthetic ctor.  */
 821 #define DECL_FUNCTION_SYNTHETIC_CTOR(DECL) \
 822   (DECL_LANG_SPECIFIC(DECL)->u.f.synthetic_ctor)
 823 #define DECL_FIXED_CONSTRUCTOR_P(DECL) \
 824   (DECL_LANG_SPECIFIC(DECL)->u.f.fixed_ctor)
 825
 826 /* A constructor that calls this. */
 827 #define DECL_INIT_CALLS_THIS(DECL) \
 828   (DECL_LANG_SPECIFIC(DECL)->u.f.init_calls_this)
 829
 830 /* True when DECL (a field) is Synthetic.  */
 831 #define FIELD_SYNTHETIC(DECL) DECL_LANG_FLAG_2 (DECL)
 832
 833 /* True when DECL aliases an outer context local variable.  */
 834 #define FIELD_LOCAL_ALIAS(DECL) DECL_LANG_FLAG_6 (DECL)
 835
 836 /* True when DECL, which aliases an outer context local variable is
 837    used by the inner classe */
 838 #define FIELD_LOCAL_ALIAS_USED(DECL) DECL_LANG_FLAG_7 (DECL)
 839
 840 /* True when DECL is a this$<n> field. Note that
 841    FIELD_LOCAL_ALIAS_USED can be differentiated when tested against
 842    FIELD_LOCAL_ALIAS.  */
 843 #define FIELD_THISN(DECL) DECL_LANG_FLAG_7 (DECL)
 844
 845 /* In a LABEL_DECL, a TREE_VEC that saves the type_map at that point. */
 846 #define LABEL_TYPE_STATE(NODE) (DECL_INITIAL (NODE))
 847
 848 /* In the label of a subroutine, a dummy label that records the
 849    state following a merge of all the ret instructions in this subroutine. */
 850 #define LABEL_RETURN_LABEL(DECL) DECL_ARGUMENTS(DECL)
 851
 852 /* In the label of a sub-routine, records the type state at return.
 853  * A local may be TYPE_UNUSED, which means that the local is not
 854  * used (stored to or loaded from) in this subroutine - at least for
 855  * code that we have verified so far. */
 856 #define LABEL_RETURN_TYPE_STATE(NODE) LABEL_TYPE_STATE (LABEL_RETURN_LABEL (NODE))
 857
 858 /* In a TREE_VEC for a LABEL_RETURN_TYPE_STATE, notes that
 859    TREE_VEC_LENGTH has been adjusted to the correct stack size. */
 860 #define RETURN_MAP_ADJUSTED(NODE) TREE_LANG_FLAG_2(NODE)
 861
 862 /* In the label of a sub-routine, a chain of the return location labels. */
 863 #define LABEL_RETURN_LABELS(node) \
 864   (LABEL_DECL_CHECK (LABEL_RETURN_LABEL(node))->decl.result)
 865
 866 /* In a LABEL_DECL, the next pending label.
 867    See pending_blocks in expr.c. */
 868 #define LABEL_PENDING_CHAIN(NODE) (LABEL_DECL_CHECK (NODE)->decl.result)
 869
 870 /* In a LABEL_DECL, the corresponding bytecode program counter. */
 871 #define LABEL_PC(NODE) ((NODE)->decl.u2.i)
 872
 873 /* Used during verification to mark the label has "changed". (See JVM Spec). */
 874 #define LABEL_CHANGED(NODE) DECL_LANG_FLAG_6(NODE)
 875
 876 /* In a LABEL_DECL, true if we have verified instructions starting here. */
 877 #define LABEL_VERIFIED(NODE) (instruction_bits[LABEL_PC(NODE)]&BCODE_VERIFIED)
 878
 879 /* True if this code is within a subroutine (target of a jsr). */
 880 #define LABEL_IN_SUBR(NODE) DECL_LANG_FLAG_4(NODE)
 881 /* True if this code is the start of a subroutine (target of a jsr). */
 882 #define LABEL_IS_SUBR_START(NODE) DECL_LANG_FLAG_5(NODE)
 883
 884 /* In a LABEL_DECL, if LABEL_IN_SUBR(NODE), points to start of subroutine. */
 885 #define LABEL_SUBR_START(NODE) DECL_ABSTRACT_ORIGIN(NODE)
 886
 887 /* In a LABEL_DECL that has LABEL_IS_SUBR_START, this points to the start
 888    of surrounding subroutine in the case of a nested subroutine,
 889    and NULL_TREE otherwise. */
 890 #define LABEL_SUBR_CONTEXT(NODE) DECL_CONTEXT (LABEL_RETURN_LABEL (NODE))
 891
 892 /* The slot number for this local variable. */
 893 #define DECL_LOCAL_SLOT_NUMBER(NODE) \
 894   (DECL_LANG_SPECIFIC(NODE)->u.v.slot_number)
 895 /* The start (bytecode) pc for the valid range of this local variable. */
 896 #define DECL_LOCAL_START_PC(NODE) \
 897   (DECL_LANG_SPECIFIC(NODE)->u.v.start_pc)
 898 /* The end (bytecode) pc for the valid range of this local variable. */
 899 #define DECL_LOCAL_END_PC(NODE) \
 900   (DECL_LANG_SPECIFIC(NODE)->u.v.end_pc)
 901 /* For a VAR_DECLor PARM_DECL, used to chain decls with the same
 902    slot_number in decl_map. */
 903 #define DECL_LOCAL_SLOT_CHAIN(NODE) \
 904   (DECL_LANG_SPECIFIC(NODE)->u.v.slot_chain)
 905 /* For a FIELD_DECL, holds the name of the access method. Used to
 906    read/write the content of the field from an inner class.  */
 907 #define FIELD_INNER_ACCESS(DECL) \
 908   (DECL_LANG_SPECIFIC(DECL)->u.v.am)
 909 /* Safely tests whether FIELD_INNER_ACCESS exists or not. */
 910 #define FIELD_INNER_ACCESS_P(DECL) \
 911   DECL_LANG_SPECIFIC (DECL) && FIELD_INNER_ACCESS (DECL)
 912 /* True if a final variable was initialized upon its declaration,
 913    or (if a field) in an initializer.  Set after definite assignment. */
 914 #define DECL_FIELD_FINAL_IUD(NODE) \
 915   (DECL_LANG_SPECIFIC(NODE)->u.v.final_iud)
 916 /* The original WFL of a final variable. */
 917 #define DECL_FIELD_FINAL_WFL(NODE) \
 918   (DECL_LANG_SPECIFIC(NODE)->u.v.wfl)
 919 /* In a FUNCTION_DECL for which DECL_BUILT_IN does not hold, this is
 920      the approximate number of statements in this function.  There is
 921      no need for this number to be exact; it is only used in various
 922      heuristics regarding optimization.  */
 923 #define DECL_NUM_STMTS(NODE) \
 924   (FUNCTION_DECL_CHECK (NODE)->decl.u1.i)
 925 /* True if NODE is a local variable final. */
 926 #define LOCAL_FINAL_P(NODE) (DECL_LANG_SPECIFIC (NODE) && DECL_FINAL (NODE))
 927 /* True if NODE is a final field. */
 928 #define FINAL_VARIABLE_P(NODE) (FIELD_FINAL (NODE) && !FIELD_STATIC (NODE))
 929 /* True if NODE is a class final field. */
 930 #define CLASS_FINAL_VARIABLE_P(NODE) \
 931   (FIELD_FINAL (NODE) && FIELD_STATIC (NODE))
 932 /* True if NODE is a class initialization flag. This macro accesses
 933    the flag to read or set it.  */
 934 #define LOCAL_CLASS_INITIALIZATION_FLAG(NODE) \
 935     (DECL_LANG_SPECIFIC(NODE)->u.v.cif)
 936 /* True if NODE is a class initialization flag. */
 937 #define LOCAL_CLASS_INITIALIZATION_FLAG_P(NODE) \
 938     (DECL_LANG_SPECIFIC (NODE) && LOCAL_CLASS_INITIALIZATION_FLAG(NODE))
 939 /* Create a DECL_LANG_SPECIFIC if necessary. */
 940 #define MAYBE_CREATE_VAR_LANG_DECL_SPECIFIC(T)                  \
 941   if (DECL_LANG_SPECIFIC (T) == NULL)                           \
 942     {                                                           \
 943       DECL_LANG_SPECIFIC ((T))                                  \
 944         = ((struct lang_decl *)                                 \
 945            ggc_alloc_cleared (sizeof (struct lang_decl)));      \
 946       DECL_LANG_SPECIFIC (T)->desc = LANG_DECL_VAR;             \
 947     }
 948
 949 /* A ConstantExpression, after folding and name resolution. */
 950 #define CONSTANT_VALUE_P(NODE) \
 951   (TREE_CODE (NODE) == STRING_CST \
 952    || (TREE_CODE (NODE) == INTEGER_CST \
 953        && TREE_CODE (TREE_TYPE (NODE)) != POINTER_TYPE) \
 954    || TREE_CODE (NODE) == REAL_CST)
 955
 956 /* For a local VAR_DECL, holds the index into a words bitstring that
 957    specifies if this decl is definitively assigned.
 958    The value -1 means the variable has been definitely assigned (and not
 959    definitely unassigned).  The value -2 means we already reported an error. */
 960 #define DECL_BIT_INDEX(DECL) (DECL_CHECK (DECL)->decl.pointer_alias_set)
 961
 962 /* DECL_LANG_SPECIFIC for FUNCTION_DECLs. */
 963 struct lang_decl_func GTY(())
 964 {
 965   /*  tree chain; not yet used. */
 966   long code_offset;
 967   int code_length;
 968   long linenumbers_offset;
 969   long localvariables_offset;
 970   int arg_slots;
 971   int max_locals;
 972   int max_stack;
 973   int arg_slot_count;
 974   tree wfl;                     /* Information on the original location */
 975   tree throws_list;             /* Exception specified by `throws' */
 976   tree function_decl_body;      /* Hold all function's statements */
 977   tree called_constructor;      /* When decl is a constructor, the
 978                                    list of other constructor it calls */
 979
 980   /* Class initialization test variables  */
 981   htab_t GTY ((param_is (struct treetreehash_entry))) init_test_table;
 982
 983   /* Initialized (static) Class Table */
 984   htab_t GTY ((param_is (union tree_node))) ict;
 985
 986   tree smic;                    /* Static method invocation compound */
 987   tree inner_access;            /* The identifier of the access method
 988                                    used for invocation from inner classes */
 989   int nap;                      /* Number of artificial parameters */
 990   unsigned int native : 1;      /* Nonzero if this is a native method  */
 991   unsigned int synthetic_ctor : 1; /* Nonzero if this is a synthetic ctor */
 992   unsigned int init_final : 1;  /* Nonzero all finals are initialized */
 993   unsigned int fixed_ctor : 1;
 994   unsigned int init_calls_this : 1;
 995   unsigned int strictfp : 1;
 996 };
 997
 998 struct treetreehash_entry GTY(())
 999 {
1000   tree key;
1001   tree value;
1002 };
1003
1004 extern tree java_treetreehash_find (htab_t, tree);
1005 extern tree * java_treetreehash_new (htab_t, tree);
1006 extern htab_t java_treetreehash_create (size_t size, int ggc);
1007
1008 /* DECL_LANG_SPECIFIC for VAR_DECL, PARM_DECL and sometimes FIELD_DECL
1009    (access methods on outer class fields) and final fields. */
1010 struct lang_decl_var GTY(())
1011 {
1012   int slot_number;
1013   int start_pc;
1014   int end_pc;
1015   tree slot_chain;
1016   tree am;                      /* Access method for this field (1.1) */
1017   tree wfl;                     /* Original wfl */
1018   unsigned int final_iud : 1;   /* Final initialized upon declaration */
1019   unsigned int cif : 1;         /* True: decl is a class initialization flag */
1020 };
1021
1022 /* This is what 'lang_decl' really points to.  */
1023
1024 enum lang_decl_desc {
1025   LANG_DECL_FUNC,
1026   LANG_DECL_VAR
1027 };
1028
1029 struct lang_decl GTY(())
1030 {
1031   enum lang_decl_desc desc;
1032   union lang_decl_u {
1033     struct lang_decl_func GTY ((tag ("LANG_DECL_FUNC"))) f;
1034     struct lang_decl_var GTY ((tag ("LANG_DECL_VAR"))) v;
1035   } GTY ((desc ("%0.desc"))) u;
1036 };
1037
1038 /* Macro to access fields in `struct lang_type'.  */
1039
1040 #define TYPE_SIGNATURE(T) (TYPE_LANG_SPECIFIC(T)->signature)
1041 #define TYPE_JCF(T) (TYPE_LANG_SPECIFIC(T)->jcf)
1042 #define TYPE_CPOOL(T) (TYPE_LANG_SPECIFIC(T)->cpool)
1043 #define TYPE_CPOOL_DATA_REF(T) (TYPE_LANG_SPECIFIC(T)->cpool_data_ref)
1044 #define MAYBE_CREATE_TYPE_TYPE_LANG_SPECIFIC(T)                          \
1045   if (TYPE_LANG_SPECIFIC ((T)) == NULL)                                  \
1046     {                                                                    \
1047       TYPE_LANG_SPECIFIC ((T)) =                                         \
1048         ((struct lang_type *)                                            \
1049          ggc_alloc_cleared (sizeof (struct lang_type)));                 \
1050     }
1051
1052 #define TYPE_FINIT_STMT_LIST(T)  (TYPE_LANG_SPECIFIC(T)->finit_stmt_list)
1053 #define TYPE_CLINIT_STMT_LIST(T) (TYPE_LANG_SPECIFIC(T)->clinit_stmt_list)
1054 #define TYPE_II_STMT_LIST(T)     (TYPE_LANG_SPECIFIC(T)->ii_block)
1055 /* The decl of the synthetic method `class$' used to handle `.class'
1056    for non primitive types when compiling to bytecode. */
1057 #define TYPE_DOT_CLASS(T)        (TYPE_LANG_SPECIFIC(T)->dot_class)
1058 #define TYPE_PACKAGE_LIST(T)     (TYPE_LANG_SPECIFIC(T)->package_list)
1059 #define TYPE_IMPORT_LIST(T)      (TYPE_LANG_SPECIFIC(T)->import_list)
1060 #define TYPE_IMPORT_DEMAND_LIST(T) (TYPE_LANG_SPECIFIC(T)->import_demand_list)
1061 #define TYPE_PRIVATE_INNER_CLASS(T) (TYPE_LANG_SPECIFIC(T)->pic)
1062 #define TYPE_PROTECTED_INNER_CLASS(T) (TYPE_LANG_SPECIFIC(T)->poic)
1063 #define TYPE_STRICTFP(T) (TYPE_LANG_SPECIFIC(T)->strictfp)
1064 #define TYPE_USES_ASSERTIONS(T) (TYPE_LANG_SPECIFIC(T)->assertions)
1065
1066 struct lang_type GTY(())
1067 {
1068   tree signature;
1069   struct JCF * jcf;
1070   struct CPool * cpool;
1071   tree cpool_data_ref;          /* Cached */
1072   tree finit_stmt_list;         /* List of statements finit$ will use */
1073   tree clinit_stmt_list;        /* List of statements <clinit> will use  */
1074   tree ii_block;                /* Instance initializer block */
1075   tree dot_class;               /* The decl of the `class$' function that
1076                                    needs to be invoked and generated when
1077                                    compiling to bytecode to implement
1078                                    <non_primitive_type>.class */
1079   tree package_list;            /* List of package names, progressive */
1080   tree import_list;             /* Imported types, in the CU of this class */
1081   tree import_demand_list;      /* Imported types, in the CU of this class */
1082   unsigned pic:1;               /* Private Inner Class. */
1083   unsigned poic:1;              /* Protected Inner Class. */
1084   unsigned strictfp:1;          /* `strictfp' class.  */
1085   unsigned assertions:1;        /* Any method uses `assert'.  */
1086 };
1087
1088 #define JCF_u4 unsigned long
1089 #define JCF_u2 unsigned short
1090
1091 extern void java_parse_file (int);
1092 extern bool java_mark_addressable (tree);
1093 extern tree java_type_for_mode (enum machine_mode, int);
1094 extern tree java_type_for_size (unsigned int, int);
1095 extern tree java_unsigned_type (tree);
1096 extern tree java_signed_type (tree);
1097 extern tree java_signed_or_unsigned_type (int, tree);
1098 extern tree java_truthvalue_conversion (tree);
1099 extern void add_assume_compiled (const char *, int);
1100 extern tree lookup_class (tree);
1101 extern tree lookup_java_constructor (tree, tree);
1102 extern tree lookup_java_method (tree, tree, tree);
1103 extern tree lookup_argument_method (tree, tree, tree);
1104 extern tree lookup_argument_method2 (tree, tree, tree);
1105 extern int has_method (tree, tree);
1106 extern tree promote_type (tree);
1107 extern tree get_constant (struct JCF*, int);
1108 extern tree get_name_constant (struct JCF*, int);
1109 extern tree get_class_constant (struct JCF*, int);
1110 extern tree parse_signature (struct JCF *jcf, int sig_index);
1111 extern tree add_field (tree, tree, tree, int);
1112 extern tree add_method (tree, int, tree, tree);
1113 extern tree add_method_1 (tree, int, tree, tree);
1114 extern tree make_class (void);
1115 extern tree push_class (tree, tree);
1116 extern tree unmangle_classname (const char *name, int name_length);
1117 extern tree parse_signature_string (const unsigned char *, int);
1118 extern tree get_type_from_signature (tree);
1119 extern void layout_class (tree);
1120 extern tree layout_class_method (tree, tree, tree, tree);
1121 extern void layout_class_methods (tree);
1122 extern tree build_class_ref (tree);
1123 extern tree build_dtable_decl (tree);
1124 extern tree build_internal_class_name (tree);
1125 extern tree build_constants_constructor (void);
1126 extern tree build_ref_from_constant_pool (int);
1127 extern void compile_resource_file (char *, const char *);
1128 extern tree build_utf8_ref (tree);
1129 extern tree ident_subst (const char*, int, const char*, int, int, const char*);
1130 extern tree identifier_subst (const tree, const char *, int, int, const char *);
1131 extern int global_bindings_p (void);
1132 extern int kept_level_p (void);
1133 extern tree getdecls (void);
1134 extern void pushlevel (int);
1135 extern tree poplevel (int,int, int);
1136 extern void insert_block (tree);
1137 extern void set_block (tree);
1138 extern tree pushdecl (tree);
1139 extern void java_init_decl_processing (void);
1140 extern void java_dup_lang_specific_decl (tree);
1141 extern tree build_java_signature (tree);
1142 extern tree build_java_argument_signature (tree);
1143 extern void set_java_signature (tree, tree);
1144 extern tree build_static_field_ref (tree);
1145 extern tree build_address_of (tree);
1146 extern tree find_local_variable (int index, tree type, int pc);
1147 extern tree find_stack_slot (int index, tree type);
1148 extern tree build_prim_array_type (tree, HOST_WIDE_INT);
1149 extern tree build_java_array_type (tree, HOST_WIDE_INT);
1150 extern int is_compiled_class (tree);
1151 extern tree mangled_classname (const char*, tree);
1152 extern tree lookup_label (int);
1153 extern tree pop_type_0 (tree, char**);
1154 extern tree pop_type (tree);
1155 extern tree decode_newarray_type (int);
1156 extern tree lookup_field (tree*, tree);
1157 extern int is_array_type_p (tree);
1158 extern HOST_WIDE_INT java_array_type_length (tree);
1159 extern int read_class (tree);
1160 extern void load_class (tree, int);
1161
1162 extern tree check_for_builtin (tree, tree);
1163 extern void initialize_builtins (void);
1164
1165 extern tree lookup_name (tree);
1166 extern tree build_known_method_ref (tree, tree, tree, tree, tree);
1167 extern tree build_class_init (tree, tree);
1168 extern tree build_invokevirtual (tree, tree);
1169 extern tree build_invokeinterface (tree, tree);
1170 extern tree build_jni_stub (tree);
1171 extern tree invoke_build_dtable (int, tree);
1172 extern tree build_field_ref (tree, tree, tree);
1173 extern void pushdecl_force_head (tree);
1174 extern tree build_java_binop (enum tree_code, tree, tree, tree);
1175 extern tree build_java_soft_divmod (enum tree_code, tree, tree, tree);
1176 extern tree binary_numeric_promotion (tree, tree, tree *, tree *);
1177 extern tree build_java_arrayaccess (tree, tree, tree);
1178 extern tree build_java_arraystore_check (tree, tree);
1179 extern tree build_newarray (int, tree);
1180 extern tree build_anewarray (tree, tree);
1181 extern tree build_new_array (tree, tree);
1182 extern tree build_java_array_length_access (tree);
1183 extern tree build_java_arraynull_check (tree, tree, tree);
1184 extern tree build_java_indirect_ref (tree, tree, int);
1185 extern tree java_check_reference (tree, int);
1186 extern tree build_get_class (tree);
1187 extern tree build_instanceof (tree, tree);
1188 extern tree create_label_decl (tree);
1189 extern void push_labeled_block (tree);
1190 extern tree prepare_eh_table_type (tree);
1191 extern tree build_exception_object_ref (tree);
1192 extern tree generate_name (void);
1193 extern void pop_labeled_block (void);
1194 extern const char *lang_printable_name (tree, int);
1195 extern tree maybe_add_interface (tree, tree);
1196 extern void set_super_info (int, tree, tree, int);
1197 extern void set_class_decl_access_flags (int, tree);
1198 extern int get_access_flags_from_decl (tree);
1199 extern int interface_of_p (tree, tree);
1200 extern int inherits_from_p (tree, tree);
1201 extern int common_enclosing_context_p (tree, tree);
1202 extern int enclosing_context_p (tree, tree);
1203 extern void complete_start_java_method (tree);
1204 extern tree build_result_decl (tree);
1205 extern void emit_handlers (void);
1206 extern void init_outgoing_cpool (void);
1207 extern void make_class_data (tree);
1208 extern void register_class (void);
1209 extern int alloc_name_constant (int, tree);
1210 extern void emit_register_classes (void);
1211 extern void emit_offset_symbol_table (void);
1212 extern void lang_init_source (int);
1213 extern void write_classfile (tree);
1214 extern char *print_int_node (tree);
1215 extern void parse_error_context (tree cl, const char *, ...)
1216   ATTRIBUTE_PRINTF_2;
1217 extern void finish_class (void);
1218 extern void java_layout_seen_class_methods (void);
1219 extern void check_for_initialization (tree, tree);
1220
1221 extern tree pushdecl_top_level (tree);
1222 extern int alloc_class_constant (tree);
1223 extern void init_expr_processing (void);
1224 extern void push_super_field (tree, tree);
1225 extern void init_class_processing (void);
1226 extern int can_widen_reference_to (tree, tree);
1227 extern int class_depth (tree);
1228 extern int verify_jvm_instructions (struct JCF *, const unsigned char *, long);
1229 extern void maybe_pushlevels (int);
1230 extern void maybe_poplevels (int);
1231 extern void force_poplevels (int);
1232 extern int process_jvm_instruction (int, const unsigned char *, long);
1233 extern int maybe_adjust_start_pc (struct JCF *, int, int, int);
1234 extern void set_local_type (int, tree);
1235 extern int merge_type_state (tree);
1236 extern int push_type_0 (tree);
1237 extern void push_type (tree);
1238 extern void load_type_state (tree);
1239 extern void add_interface (tree, tree);
1240 extern tree force_evaluation_order (tree);
1241 extern int verify_constant_pool (struct JCF *);
1242 extern void start_java_method (tree);
1243 extern void end_java_method (void);
1244 extern void give_name_to_locals (struct JCF *);
1245 extern void note_instructions (struct JCF *, tree);
1246 extern void expand_byte_code (struct JCF *, tree);
1247 extern int open_in_zip (struct JCF *, const char *, const char *, int);
1248 extern void set_constant_value (tree, tree);
1249 #ifdef jword
1250 extern int find_constant1 (struct CPool *, int, jword);
1251 extern int find_constant2 (struct CPool *, int, jword, jword);
1252 #endif
1253 extern int find_utf8_constant (struct CPool *, tree);
1254 extern int find_string_constant (struct CPool *, tree);
1255 extern int find_class_constant (struct CPool *, tree);
1256 extern int find_fieldref_index (struct CPool *, tree);
1257 extern int find_methodref_index (struct CPool *, tree);
1258 extern int find_methodref_with_class_index (struct CPool *, tree, tree);
1259 extern void write_constant_pool (struct CPool *, unsigned char *, int);
1260 extern int count_constant_pool_bytes (struct CPool *);
1261 extern int encode_newarray_type (tree);
1262 #ifdef uint64
1263 extern void format_int (char *, jlong, int);
1264 extern void format_uint (char *, uint64, int);
1265 #endif
1266 extern void jcf_trim_old_input (struct JCF *);
1267 #ifdef BUFSIZ
1268 extern void jcf_print_utf8 (FILE *, const unsigned char *, int);
1269 extern void jcf_print_char (FILE *, int);
1270 extern void jcf_print_utf8_replace (FILE *, const unsigned char *, int, int, int);
1271 extern const char* open_class (const char *, struct JCF *, int, const char *);
1272 #endif
1273 extern void java_debug_context (void);
1274 extern void safe_layout_class (tree);
1275
1276 extern tree get_boehm_type_descriptor (tree);
1277 extern bool class_has_finalize_method (tree);
1278 extern void java_check_methods (tree);
1279 extern void init_jcf_parse (void);
1280 extern void init_src_parse (void);
1281
1282 extern int cxx_keyword_p (const char *, int);
1283 extern tree java_mangle_decl (struct obstack *, tree);
1284 extern tree java_mangle_class_field (struct obstack *, tree);
1285 extern tree java_mangle_class_field_from_string (struct obstack *, char *);
1286 extern tree java_mangle_vtable (struct obstack *, tree);
1287 extern const char *lang_printable_name_wls (tree, int);
1288 extern void append_gpp_mangled_name (const char *, int);
1289
1290 extern void add_predefined_file (tree);
1291 extern int predefined_filename_p (tree);
1292
1293 extern void java_optimize_inline (tree);
1294 extern tree decl_constant_value (tree);
1295
1296 #if defined(RTX_CODE) && defined (HAVE_MACHINE_MODES)
1297 struct rtx_def * java_expand_expr (tree, rtx, enum machine_mode, int);
1298 #endif
1299 extern void java_inlining_merge_static_initializers (tree, void *);
1300 extern void java_inlining_map_static_initializers (tree, void *);
1301
1302 extern void compile_resource_data (char *name, const char *buffer, int length);
1303 extern void write_resource_constructor (void);
1304 extern void compile_resource_file (char *name, const char *filename);
1305 extern void init_resource_processing (void);
1306
1307
1308 #define DECL_FINAL(DECL) DECL_LANG_FLAG_3 (DECL)
1309
1310 /* Access flags etc for a method (a FUNCTION_DECL): */
1311
1312 #define METHOD_PUBLIC(DECL) DECL_LANG_FLAG_1 (DECL)
1313 #define METHOD_PRIVATE(DECL) TREE_PRIVATE (DECL)
1314 #define METHOD_PROTECTED(DECL) TREE_PROTECTED (DECL)
1315 #define METHOD_STATIC(DECL) DECL_LANG_FLAG_2 (DECL)
1316 #define METHOD_FINAL(DECL) DECL_FINAL (DECL)
1317 #define METHOD_SYNCHRONIZED(DECL) DECL_LANG_FLAG_4 (DECL)
1318 #define METHOD_NATIVE(DECL) (DECL_LANG_SPECIFIC(DECL)->u.f.native)
1319 #define METHOD_ABSTRACT(DECL) DECL_LANG_FLAG_5 (DECL)
1320 #define METHOD_TRANSIENT(DECL) DECL_LANG_FLAG_6 (DECL)
1321 #define METHOD_STRICTFP(DECL) (DECL_LANG_SPECIFIC (DECL)->u.f.strictfp)
1322
1323 #define JAVA_FILE_P(NODE) TREE_LANG_FLAG_2 (NODE)
1324 #define CLASS_FILE_P(NODE) TREE_LANG_FLAG_3 (NODE)
1325 #define ZIP_FILE_P(NODE) TREE_LANG_FLAG_4 (NODE)
1326
1327 /* Other predicates on method decls  */
1328
1329 #define DECL_CONSTRUCTOR_P(DECL) DECL_LANG_FLAG_7(DECL)
1330
1331 #define DECL_INIT_P(DECL)   (ID_INIT_P (DECL_NAME (DECL)))
1332 #define DECL_FINIT_P(DECL)  (ID_FINIT_P (DECL_NAME (DECL)))
1333 #define DECL_CLINIT_P(DECL) (ID_CLINIT_P (DECL_NAME (DECL)))
1334 #define DECL_INSTINIT_P(DECL) (ID_INSTINIT_P (DECL_NAME (DECL)))
1335
1336 /* Predicates on method identifiers. Kept close to other macros using
1337    them  */
1338 #define ID_INIT_P(ID)   ((ID) == init_identifier_node)
1339 #define ID_FINIT_P(ID)  ((ID) == finit_identifier_node)
1340 #define ID_CLINIT_P(ID) ((ID) == clinit_identifier_node)
1341 #define ID_CLASSDOLLAR_P(ID) ((ID) == classdollar_identifier_node)
1342 #define ID_INSTINIT_P(ID) ((ID) == instinit_identifier_node)
1343
1344 /* Access flags etc for a variable/field (a FIELD_DECL): */
1345
1346 #define FIELD_PRIVATE(DECL) TREE_PRIVATE (DECL)
1347 #define FIELD_PROTECTED(DECL) TREE_PROTECTED (DECL)
1348 #define FIELD_PUBLIC(DECL) DECL_LANG_FLAG_1 (DECL)
1349 #define FIELD_STATIC(DECL) TREE_STATIC (DECL)
1350 #define FIELD_FINAL(DECL) DECL_FINAL (DECL)
1351 #define FIELD_VOLATILE(DECL) DECL_LANG_FLAG_4 (DECL)
1352 #define FIELD_TRANSIENT(DECL) DECL_LANG_FLAG_5 (DECL)
1353
1354 /* Access flags etc for a class (a TYPE_DECL): */
1355
1356 #define CLASS_PUBLIC(DECL) DECL_LANG_FLAG_1 (DECL)
1357 #define CLASS_FINAL(DECL) DECL_FINAL (DECL)
1358 #define CLASS_INTERFACE(DECL) DECL_LANG_FLAG_4 (DECL)
1359 #define CLASS_ABSTRACT(DECL) DECL_LANG_FLAG_5 (DECL)
1360 #define CLASS_SUPER(DECL) DECL_LANG_FLAG_6 (DECL)
1361 #define CLASS_STATIC(DECL) DECL_LANG_FLAG_7 (DECL)
1362 #define CLASS_PRIVATE(DECL) (TYPE_PRIVATE_INNER_CLASS (TREE_TYPE (DECL)))
1363 #define CLASS_PROTECTED(DECL) (TYPE_PROTECTED_INNER_CLASS (TREE_TYPE (DECL)))
1364 #define CLASS_STRICTFP(DECL) (TYPE_STRICTFP (TREE_TYPE (DECL)))
1365 #define CLASS_USES_ASSERTIONS(DECL) (TYPE_USES_ASSERTIONS (TREE_TYPE (DECL)))
1366
1367 /* @deprecated marker flag on methods, fields and classes */
1368
1369 #define METHOD_DEPRECATED(DECL) DECL_LANG_FLAG_0 (DECL)
1370 #define FIELD_DEPRECATED(DECL) DECL_LANG_FLAG_0 (DECL)
1371 #define CLASS_DEPRECATED(DECL) DECL_LANG_FLAG_0 (DECL)
1372 #define DECL_DEPRECATED(DECL) DECL_LANG_FLAG_0 (DECL)
1373
1374 /* The number of virtual methods in this class's dispatch table.
1375  Does not include initial two dummy entries (one points to the
1376  Class object, and the other is for G++ -fvtable-thunks compatibility). */
1377 #define TYPE_NVIRTUALS(TYPE) TYPE_BINFO_VIRTUALS (TYPE)
1378
1379 /* A TREE_VEC (indexed by DECL_VINDEX) containing this class's
1380    virtual methods. */
1381 #define TYPE_VTABLE(TYPE) TYPE_BINFO_VTABLE(TYPE)
1382
1383 /* Use CLASS_LOADED_P? FIXME */
1384 #define CLASS_COMPLETE_P(DECL) DECL_LANG_FLAG_2 (DECL)
1385
1386 /* This maps a bytecode offset (PC) to various flags,
1387    listed below (starting with BCODE_). */
1388 extern char *instruction_bits;
1389
1390 /* True iff the byte is the start of an instruction. */
1391 #define BCODE_INSTRUCTION_START 1
1392
1393 /* True iff there is a jump or a return to this location. */
1394 #define BCODE_JUMP_TARGET 2
1395
1396 /* True iff this is the start of an exception handler. */
1397 #define BCODE_EXCEPTION_TARGET 16
1398
1399 /* True iff there is a jump to this location (and it needs a label). */
1400 #define BCODE_TARGET (BCODE_JUMP_TARGET| BCODE_EXCEPTION_TARGET)
1401
1402 /* True iff there is an entry in the linenumber table for this location. */
1403 #define BCODE_HAS_LINENUMBER 32
1404
1405 /* True iff there is more than one entry in the linenumber table for
1406    this location.  (This probably does not make much sense.)  */
1407 #define BCODE_HAS_MULTI_LINENUMBERS 64
1408
1409 /* True if this instruction has been verified. */
1410 #define BCODE_VERIFIED 8
1411
1412 /* A pointer to the line number table of the current method. */
1413 extern const unsigned char *linenumber_table;
1414 /* The length (in items) of the line number table. */
1415 extern int linenumber_count;
1416
1417 /* In type_map, means that slot is uninitialized or otherwise unusable. */
1418 #define TYPE_UNKNOWN NULL_TREE
1419
1420 /* In type_map, means the second half of a 64-bit double or long. */
1421 #define TYPE_SECOND void_type_node
1422
1423 /* In type_map, means the null type (i.e. type of a null reference). */
1424 #define TYPE_NULL ptr_type_node
1425
1426 /* In a type map means the type the address subroutine return address. */
1427 #define TYPE_RETURN_ADDR return_address_type_node
1428
1429 /* In a subroutine's return type map, indicates that the slot was neither
1430    used nor set in the subroutine. */
1431 #define TYPE_UNUSED error_mark_node
1432
1433 /* When returned from pop_type_0, indicates stack underflow. */
1434 #define TYPE_UNDERFLOW integer_zero_node
1435
1436 /* When returned from pop_type_0, indicates a type mismatch. */
1437 #define TYPE_UNEXPECTED NULL_TREE
1438
1439 /* A array mapping variable/stack slot index to the type current
1440    in that variable/stack slot.
1441    TYPE_UNKNOWN, TYPE_SECOND, and TYPE_NULL are special cases. */
1442 extern tree *type_map;
1443
1444 /* Map a stack index to the type currently in that slot. */
1445 #define stack_type_map (type_map+DECL_MAX_LOCALS(current_function_decl))
1446
1447 /* True iff TYPE takes two variable/stack slots. */
1448 #define TYPE_IS_WIDE(TYPE) \
1449   ((TYPE) == double_type_node || (TYPE) == long_type_node)
1450
1451 /* True iif CLASS has it's access$0 method generated.  */
1452 #define CLASS_ACCESS0_GENERATED_P(CLASS) TYPE_LANG_FLAG_0 (CLASS)
1453
1454 /* True iff TYPE is a Java array type. */
1455 #define TYPE_ARRAY_P(TYPE) TYPE_LANG_FLAG_1 (TYPE)
1456
1457 /* True for an INDIRECT_REF created from a 'ARRAY.length' operation. */
1458 #define IS_ARRAY_LENGTH_ACCESS(NODE) TREE_LANG_FLAG_4 (NODE)
1459
1460 /* If FUNCTION_TYPE or METHOD_TYPE: cache for build_java_argument_signature. */
1461 #define TYPE_ARGUMENT_SIGNATURE(TYPE) TYPE_VFIELD(TYPE)
1462
1463 /* Given an array type, give the type of the elements. */
1464 /* FIXME this use of TREE_TYPE conflicts with something or other. */
1465 #define TYPE_ARRAY_ELEMENT(ATYPE) TREE_TYPE(ATYPE)
1466
1467 /* True if class TYPE has been loaded (i.e. parsed plus laid out).
1468    (The check for CLASS_PARSED_P is needed because of Object and Class.) */
1469 #define CLASS_LOADED_P(TYPE) (TYPE_SIZE (TYPE) != NULL_TREE \
1470                               && (CLASS_PARSED_P(TYPE) || TYPE_ARRAY_P(TYPE)))
1471
1472 /* True if class TYPE has been parsed (first pass). */
1473 #define CLASS_PARSED_P(TYPE) TYPE_LANG_FLAG_2 (TYPE)
1474
1475 /* True if class TYPE was defined in Java source code. */
1476 #define CLASS_FROM_SOURCE_P(TYPE) TYPE_LANG_FLAG_3 (TYPE)
1477
1478 /* True of a RECORD_TYPE of a class/interface type (not array type) */
1479 #define CLASS_P(TYPE) TYPE_LANG_FLAG_4 (TYPE)
1480
1481 /* True if class TYPE was requested (on command line) to be compiled.*/
1482 #define CLASS_FROM_CURRENTLY_COMPILED_P(TYPE) \
1483   TYPE_LANG_FLAG_5 (TYPE)
1484
1485 /* True if class TYPE is currently being laid out. Helps in detection
1486    of inheritance cycle occurring as a side effect of performing the
1487    layout of a class.  */
1488 #define CLASS_BEING_LAIDOUT(TYPE) TYPE_LANG_FLAG_6 (TYPE)
1489
1490 /* True if class TYPE has a field initializer finit$ function */
1491 #define CLASS_HAS_FINIT_P(TYPE) TYPE_FINIT_STMT_LIST (TYPE)
1492
1493 /* True if identifier ID was seen while processing a single type import stmt */
1494 #define IS_A_SINGLE_IMPORT_CLASSFILE_NAME_P(ID) TREE_LANG_FLAG_0 (ID)
1495
1496 /* True if identifier ID was seen while processing an import statement */
1497 #define IS_A_CLASSFILE_NAME(ID) TREE_LANG_FLAG_1 (ID)
1498
1499 /* True if ID is a qualified named (contains . or /) */
1500 #define QUALIFIED_P(ID) TREE_LANG_FLAG_2 (ID)
1501
1502 /* True if ID is an already processed import on demand */
1503 #define IS_AN_IMPORT_ON_DEMAND_P(ID) TREE_LANG_FLAG_3 (ID)
1504
1505 /* True if ID is a command-line specified filename */
1506 #define IS_A_COMMAND_LINE_FILENAME_P(ID) TREE_LANG_FLAG_4 (ID)
1507
1508 /* True if filename ID has already been parsed */
1509 #define HAS_BEEN_ALREADY_PARSED_P(ID) TREE_LANG_FLAG_5 (ID)
1510
1511 /* True if EXPR is RHS sub-tree of a compound assign expression */
1512 #define COMPOUND_ASSIGN_P(EXPR) TREE_LANG_FLAG_1 (EXPR)
1513
1514 /* True if a SWITCH_EXPR has a DEFAULT_EXPR. */
1515 #define SWITCH_HAS_DEFAULT(NODE) TREE_LANG_FLAG_3 (NODE)
1516
1517 /* True if EXPR (a WFL in that case) was created after the
1518    reduction of PRIMARY . XXX */
1519 #define PRIMARY_P(EXPR) TREE_LANG_FLAG_2 (EXPR)
1520
1521 /* True if EXPR (a MODIFY_EXPR in that case) is the result of variable
1522    initialization during its declaration */
1523 #define MODIFY_EXPR_FROM_INITIALIZATION_P(EXPR) TREE_LANG_FLAG_2 (EXPR)
1524
1525 /* True if EXPR (a TREE_TYPE denoting a class type) has its methods
1526    already checked (for redefinitions, etc, see java_check_regular_methods.) */
1527 #define CLASS_METHOD_CHECKED_P(EXPR) TREE_LANG_FLAG_2 (EXPR)
1528
1529 /* True if TYPE (a TREE_TYPE denoting a class type) was found to
1530    feature a finalizer method. */
1531 #define HAS_FINALIZER_P(EXPR) TREE_LANG_FLAG_3 (EXPR)
1532
1533 /* True if EXPR (a WFL in that case) resolves into an expression name */
1534 #define RESOLVE_EXPRESSION_NAME_P(WFL) TREE_LANG_FLAG_0 (WFL)
1535
1536 /* True if EXPR (a LOOP_EXPR in that case) is part of a for statement */
1537 #define FOR_LOOP_P(EXPR) TREE_LANG_FLAG_0 (EXPR)
1538
1539 /* True if NODE (a RECORD_TYPE in that case) is an anonymous class.  */
1540 #define ANONYMOUS_CLASS_P(NODE) TREE_LANG_FLAG_0 (NODE)
1541
1542 /* True if NODE (a RECORD_TYPE in that case) is a block local class.  */
1543 #define LOCAL_CLASS_P(NODE) TREE_LANG_FLAG_1 (NODE)
1544
1545 /* True if NODE (a TREE_LIST) hold a pair of argument name/type
1546    declared with the final modifier */
1547 #define ARG_FINAL_P(NODE) TREE_LANG_FLAG_0 (NODE)
1548
1549 /* True if NODE (some kind of EXPR, but not a WFL) should not give an
1550    error if it is found to be unreachable.  This can only be applied
1551    to those EXPRs which can be used as the update expression of a
1552    `for' loop.  In particular it can't be set on a LOOP_EXPR.  */
1553 #define SUPPRESS_UNREACHABLE_ERROR(NODE) TREE_LANG_FLAG_0 (NODE)
1554
1555 /* True if EXPR (a WFL in that case) resolves into a package name */
1556 #define RESOLVE_PACKAGE_NAME_P(WFL) TREE_LANG_FLAG_3 (WFL)
1557
1558 /* True if EXPR (a WFL in that case) resolves into a type name */
1559 #define RESOLVE_TYPE_NAME_P(WFL) TREE_LANG_FLAG_4 (WFL)
1560
1561 /* True if STMT (a WFL in that case) holds a BREAK statement */
1562 #define IS_BREAK_STMT_P(WFL) TREE_LANG_FLAG_5 (WFL)
1563
1564 /* True if EXPR (a CALL_EXPR in that case) is a crafted StringBuffer */
1565 #define IS_CRAFTED_STRING_BUFFER_P(EXPR) TREE_LANG_FLAG_5 (EXPR)
1566
1567 /* True if EXPR (a SAVE_EXPR in that case) had its content already
1568    checked for (un)initialized local variables.  */
1569 #define IS_INIT_CHECKED(EXPR) TREE_LANG_FLAG_5 (EXPR)
1570
1571 /* If set in CALL_EXPR, the receiver is 'super'. */
1572 #define CALL_USING_SUPER(EXPR) TREE_LANG_FLAG_4 (EXPR)
1573
1574 /* True if NODE (a statement) can complete normally. */
1575 #define CAN_COMPLETE_NORMALLY(NODE) TREE_LANG_FLAG_6(NODE)
1576
1577 /* True if NODE (an IDENTIFIER) bears the name of a outer field from
1578    inner class access function.  */
1579 #define OUTER_FIELD_ACCESS_IDENTIFIER_P(NODE) TREE_LANG_FLAG_6(NODE)
1580
1581 /* Non null if NODE belongs to an inner class TYPE_DECL node.
1582    Verifies that NODE as the attributes of a decl.  */
1583 #define INNER_CLASS_DECL_P(NODE) (TYPE_NAME (TREE_TYPE (NODE)) == NODE  \
1584                                   && DECL_CONTEXT (NODE))
1585
1586 /* Non null if NODE is an top level class TYPE_DECL node: NODE isn't
1587    an inner class or NODE is a static class.  */
1588 #define TOPLEVEL_CLASS_DECL_P(NODE) (!INNER_CLASS_DECL_P (NODE)         \
1589                                      || CLASS_STATIC (NODE))
1590
1591 /* True if the class decl NODE was declared in a inner scope and is
1592    not a toplevel class */
1593 #define PURE_INNER_CLASS_DECL_P(NODE) \
1594   (INNER_CLASS_DECL_P (NODE) && !CLASS_STATIC (NODE))
1595
1596 /* Non null if NODE belongs to an inner class RECORD_TYPE node. Checks
1597    that TYPE_NAME bears a decl. An array type wouldn't.  */
1598 #define INNER_CLASS_TYPE_P(NODE) (TREE_CODE (TYPE_NAME (NODE)) == TYPE_DECL \
1599                                   && DECL_CONTEXT (TYPE_NAME (NODE)))
1600
1601 #define TOPLEVEL_CLASS_TYPE_P(NODE) (!INNER_CLASS_TYPE_P (NODE)         \
1602                                      || CLASS_STATIC (TYPE_NAME (NODE)))
1603
1604 /* True if the class type NODE was declared in a inner scope and is
1605    not a toplevel class */
1606 #define PURE_INNER_CLASS_TYPE_P(NODE) \
1607   (INNER_CLASS_TYPE_P (NODE) && !CLASS_STATIC (TYPE_NAME (NODE)))
1608
1609 /* Non null if NODE (a TYPE_DECL or a RECORD_TYPE) is an inner class.  */
1610 #define INNER_CLASS_P(NODE) (TREE_CODE (NODE) == TYPE_DECL ?                  \
1611                              INNER_CLASS_DECL_P (NODE) :                      \
1612                              (TREE_CODE (NODE) == RECORD_TYPE ?               \
1613                               INNER_CLASS_TYPE_P (NODE) :                     \
1614                               (abort (), 0)))
1615
1616 /* On a TYPE_DECL, hold the list of inner classes defined within the
1617    scope of TYPE_DECL.  */
1618 #define DECL_INNER_CLASS_LIST(NODE) DECL_INITIAL (NODE)
1619
1620 /* Build a IDENTIFIER_NODE for a file name we're considering. Since
1621    all_class_filename is a registered root, putting this identifier
1622    in a TREE_LIST it holds keeps this node alive.  */
1623 #define BUILD_FILENAME_IDENTIFIER_NODE(F, S)            \
1624   if (!((F) = maybe_get_identifier ((S))))              \
1625     {                                                   \
1626       (F) = get_identifier ((S));                       \
1627       tree_cons ((F), NULL_TREE, all_class_filename);   \
1628     }
1629
1630 /* Add a FIELD_DECL to RECORD_TYPE RTYPE.
1631    The field has name NAME (a char*), and type FTYPE.
1632    Unless this is the first field, FIELD most hold the previous field.
1633    FIELD is set to the newly created FIELD_DECL.
1634
1635    We set DECL_ARTIFICIAL so these fields get skipped by make_class_data
1636    if compiling java.lang.Object or java.lang.Class. */
1637
1638 #define PUSH_FIELD(RTYPE, FIELD, NAME, FTYPE) \
1639 { tree tmp_field = build_decl (FIELD_DECL, get_identifier(NAME), FTYPE); \
1640   if (TYPE_FIELDS (RTYPE) == NULL_TREE) TYPE_FIELDS (RTYPE) = tmp_field; \
1641   else TREE_CHAIN(FIELD) = tmp_field; \
1642   DECL_CONTEXT (tmp_field) = RTYPE; \
1643   DECL_ARTIFICIAL (tmp_field) = 1; \
1644   FIELD = tmp_field; }
1645
1646 #define FINISH_RECORD(RTYPE) layout_type (RTYPE)
1647
1648 /* Start building a RECORD_TYPE constructor with a given TYPE in CONS. */
1649 #define START_RECORD_CONSTRUCTOR(CONS, CTYPE) { \
1650   CONS = build (CONSTRUCTOR, CTYPE, NULL_TREE, NULL_TREE);\
1651   TREE_CHAIN(CONS) = TYPE_FIELDS (CTYPE); }
1652
1653 /* Append a field initializer to CONS for the dummy field for the inherited
1654    fields.  The dummy field has the given VALUE, and the same type as the
1655    super-class.   Must be specified before calls to PUSH_FIELD_VALUE. */
1656
1657 #define PUSH_SUPER_VALUE(CONS, VALUE) {\
1658   tree field = TREE_CHAIN(CONS);\
1659   if (DECL_NAME (field) != NULL_TREE) abort();\
1660   CONSTRUCTOR_ELTS(CONS) = tree_cons (field, VALUE, CONSTRUCTOR_ELTS(CONS));\
1661   TREE_CHAIN(CONS) = TREE_CHAIN (field); }
1662
1663 /* Append a field initializer to CONS for a field with the given VALUE.
1664    NAME is a char* string used for error checking;
1665    the initializer must be specified in order. */
1666 #define PUSH_FIELD_VALUE(CONS, NAME, VALUE) {\
1667   tree field = TREE_CHAIN(CONS);\
1668   if (strcmp (IDENTIFIER_POINTER (DECL_NAME (field)), NAME) != 0) abort();\
1669   CONSTRUCTOR_ELTS(CONS) = tree_cons (field, VALUE, CONSTRUCTOR_ELTS(CONS));\
1670   TREE_CHAIN(CONS) = TREE_CHAIN (field); }
1671
1672 /* Finish creating a record CONSTRUCTOR CONS. */
1673 #define FINISH_RECORD_CONSTRUCTOR(CONS) \
1674   CONSTRUCTOR_ELTS(CONS) = nreverse (CONSTRUCTOR_ELTS(CONS))
1675
1676 /* Macros on constructors invocations.  */
1677 #define CALL_CONSTRUCTOR_P(NODE)                \
1678   (TREE_CODE (NODE) == NEW_CLASS_EXPR || CALL_EXPLICIT_CONSTRUCTOR_P (NODE))
1679
1680 #define CALL_EXPLICIT_CONSTRUCTOR_P(NODE)                               \
1681   (CALL_THIS_CONSTRUCTOR_P (NODE) || CALL_SUPER_CONSTRUCTOR_P (NODE))
1682
1683 #define CALL_THIS_CONSTRUCTOR_P(NODE)                                   \
1684   (TREE_CODE (NODE) == CALL_EXPR                                        \
1685    && EXPR_WFL_NODE (TREE_OPERAND (NODE, 0)) == this_identifier_node)
1686
1687 #define CALL_SUPER_CONSTRUCTOR_P(NODE)                                  \
1688   (TREE_CODE (NODE) == CALL_EXPR                                        \
1689    && EXPR_WFL_NODE (TREE_OPERAND (NODE, 0)) == super_identifier_node)
1690
1691 /* Using a FINALLY_EXPR node */
1692 #define FINALLY_EXPR_LABEL(NODE) TREE_OPERAND ((NODE), 0)
1693 #define FINALLY_EXPR_BLOCK(NODE) TREE_OPERAND ((NODE), 1)
1694
1695 #define BLOCK_EXPR_DECLS(NODE)  BLOCK_VARS(NODE)
1696 #define BLOCK_EXPR_BODY(NODE)   BLOCK_SUBBLOCKS(NODE)
1697 /* True for an implicit block surrounding declaration not at start of {...}. */
1698 #define BLOCK_IS_IMPLICIT(NODE) TREE_LANG_FLAG_1 (NODE)
1699
1700 #define BUILD_MONITOR_ENTER(WHERE, ARG)                         \
1701   {                                                             \
1702     (WHERE) = build (CALL_EXPR, int_type_node,                  \
1703                      build_address_of (soft_monitorenter_node), \
1704                      build_tree_list (NULL_TREE, (ARG)),        \
1705                      NULL_TREE);                                \
1706     TREE_SIDE_EFFECTS (WHERE) = 1;                              \
1707   }
1708
1709 #define BUILD_MONITOR_EXIT(WHERE, ARG)                          \
1710   {                                                             \
1711     (WHERE) = build (CALL_EXPR, int_type_node,                  \
1712                      build_address_of (soft_monitorexit_node),  \
1713                      build_tree_list (NULL_TREE, (ARG)),        \
1714                      NULL_TREE);                                \
1715     TREE_SIDE_EFFECTS (WHERE) = 1;                              \
1716   }
1717
1718 /* Nonzero if TYPE is an unchecked exception */
1719 #define IS_UNCHECKED_EXCEPTION_P(TYPE)                          \
1720   (inherits_from_p ((TYPE), runtime_exception_type_node)        \
1721    || inherits_from_p ((TYPE), error_exception_type_node))
1722
1723 /* True when we can perform static class initialization optimization */
1724 #define STATIC_CLASS_INIT_OPT_P() \
1725   (flag_optimize_sci && (optimize >= 2) && ! flag_emit_class_files)
1726
1727 extern int java_error_count;
1728
1729 /* Make the current function where this macro is invoked report error
1730    messages and and return, if any */
1731 #define java_parse_abort_on_error()                                     \
1732   {                                                                     \
1733      if (java_error_count > save_error_count)                           \
1734        return;                                                          \
1735    }
1736
1737 /* These are the possible values for the `state' field of the class
1738    structure.  This must be kept in sync with libgcj.  */
1739 enum
1740 {
1741   JV_STATE_NOTHING = 0,         /* Set by compiler.  */
1742
1743   JV_STATE_PRELOADING = 1,      /* Can do _Jv_FindClass.  */
1744   JV_STATE_LOADING = 3,         /* Has super installed.  */
1745   JV_STATE_LOADED = 5,          /* Is complete.  */
1746
1747   JV_STATE_COMPILED = 6,        /* This was a compiled class.  */
1748
1749   JV_STATE_PREPARED = 7,        /* Layout & static init done.  */
1750   JV_STATE_LINKED = 9,          /* Strings interned.  */
1751
1752   JV_STATE_IN_PROGRESS = 10,    /* <Clinit> running.  */
1753   JV_STATE_ERROR = 12,
1754
1755   JV_STATE_DONE = 14            /* Must be last.  */
1756
1757 };
1758
1759 #undef DEBUG_JAVA_BINDING_LEVELS
1760 #endif /* ! GCC_JAVA_TREE_H */