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