1 /* Definitions for parsing and type checking for the GNU compiler for
3 Copyright (C) 1997, 1998, 1999, 2000 Free Software Foundation, Inc.
5 This file is part of GNU CC.
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)
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.
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.
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. */
26 /* Hacked by Per Bothner <bothner@cygnus.com> February 1996. */
30 /* Java language-specific tree codes. */
31 #define DEFTREECODE(SYM, NAME, TYPE, LENGTH) SYM,
33 __DUMMY = LAST_AND_UNUSED_TREE_CODE,
34 #include "java-tree.def"
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 2: RETURN_MAP_ADJUSTED (in TREE_VEC).
52 QUALIFIED_P (in IDENTIFIER_NODE)
53 PRIMARY_P (in EXPR_WITH_FILE_LOCATION)
54 MODIFY_EXPR_FROM_INITIALIZATION_P (in MODIFY_EXPR)
55 CLASS_METHOD_CHECKED_P (in RECORD_TYPE)
56 3: IS_AN_IMPORT_ON_DEMAND_P (in IDENTIFIER_NODE)
57 RESOLVE_PACKAGE_NAME_P (in EXPR_WITH_FILE_LOCATION)
58 SWITCH_HAS_DEFAULT (in SWITCH_EXPR)
59 4: IS_A_COMMAND_LINE_FILENAME_P (in IDENTIFIER_NODE)
60 RESOLVE_TYPE_NAME_P (in EXPR_WITH_FILE_LOCATION)
61 CALL_USING_SUPER (in CALL_EXPR)
62 5: HAS_BEEN_ALREADY_PARSED_P (in IDENTIFIER_NODE)
63 IS_BREAK_STMT_P (in EXPR_WITH_FILE_LOCATION)
64 IS_CRAFTED_STRING_BUFFER_P (in CALL_EXPR)
65 IS_INIT_CHECKED (in SAVE_EXPR)
66 6: CAN_COMPLETE_NORMALLY (in statement nodes)
67 OUTER_FIELD_ACCESS_IDENTIFIER_P (in IDENTIFIER_NODE)
69 Usage of TYPE_LANG_FLAG_?:
70 0: CLASS_ACCESS0_GENERATED_P (in RECORD_TYPE)
71 1: TYPE_ARRAY_P (in RECORD_TYPE).
72 2: CLASS_LOADED_P (in RECORD_TYPE).
73 3: CLASS_FROM_SOURCE_P (in RECORD_TYPE).
74 4: CLASS_P (in RECORD_TYPE).
75 5: CLASS_FROM_CURRENTLY_COMPILED_SOURCE_P (in RECORD_TYPE)
76 6: CLASS_BEING_LAIDOUT (in RECORD_TYPE)
78 Usage of DECL_LANG_FLAG_?:
79 0: METHOD_DEPRECATED (in FUNCTION_DECL).
80 FIELD_DEPRECATED (in FIELD_DECL).
81 CLASS_DEPRECATED (in TYPE_DECL).
82 1: METHOD_PUBLIC (in FUNCTION_DECL).
83 FIELD_PUBLIC (in FIELD_DECL).
84 CLASS_PUBLIC (in TYPE_DECL).
85 2: METHOD_STATIC (in FUNCTION_DECL).
86 (But note that FIELD_STATIC uses TREE_STATIC!)
87 CLASS_COMPLETE_P (in TYPE_DECL)
88 3: METHOD_FINAL (in FUNCTION_DECL)
89 FIELD_FINAL (in FIELD_DECL)
90 CLASS_FINAL (in TYPE_DECL)
91 LOCAL_FINAL (in VAR_DECL)
92 4: METHOD_SYNCHRONIZED (in FUNCTION_DECL).
93 LABEL_IN_SUBR (in LABEL_DECL)
94 CLASS_INTERFACE (in TYPE_DECL)
95 FIELD_VOLATILE (int FIELD_DECL)
96 5: METHOD_ABSTRACT (in FUNCTION_DECL).
97 LABEL_IS_SUBR_START (in LABEL_DECL)
98 CLASS_ABSTRACT (in TYPE_DECL)
99 FIELD_TRANSIENT (in FIELD_DECL)
100 6: METHOD_TRANSIENT (in FUNCTION_DECL)
101 LABEL_CHANGED (in LABEL_DECL)
102 CLASS_SUPER (in TYPE_DECL, ACC_SUPER flag)
103 FIELD_LOCAL_ALIAS (in FIELD_DECL)
104 7: DECL_CONSTRUCTOR_P (in FUNCTION_DECL).
105 CLASS_STATIC (in TYPE_DECL)
106 FIELD_LOCAL_ALIAS_USED (in FIELD_DECL)
107 FIELD_THISN (in FIELD_DECL)
110 /* True if the class whose TYPE_BINFO this is has a superclass.
111 (True of all classes except Object.) */
112 #define CLASS_HAS_SUPER_FLAG(BINFO) TREE_LANG_FLAG_1(BINFO)
113 #define CLASS_HAS_SUPER(TYPE) CLASS_HAS_SUPER_FLAG (TYPE_BINFO (TYPE))
115 /* Return the supertype of class TYPE, or NULL_TREE is it has none. */
116 #define CLASSTYPE_SUPER(TYPE) (CLASS_HAS_SUPER (TYPE) ? \
117 BINFO_TYPE (TREE_VEC_ELT (TYPE_BINFO_BASETYPES (TYPE), 0)) : NULL_TREE)
119 /* True if the class we are compiling is a .java source file;
120 false if it is a .class bytecode file. */
121 extern int compiling_from_source;
123 /* The class defined by the actual (main) file we are compiling. */
124 extern tree main_class;
126 /* The class we are currently processing. */
127 extern tree current_class;
129 /* List of all class DECLs seen so far. */
130 extern tree all_class_list;
132 /* Nonzero if we should make is_compiled_class always return 1 for
133 appropriate classes that we're referencing. */
135 extern int flag_assume_compiled;
137 extern int flag_emit_class_files;
139 /* When non zero, assume all native functions are implemented with
144 /* When non zero, we emit xref strings. Values of the flag for xref
145 backends are defined in xref.h. */
147 extern int flag_emit_xref;
149 /* When doing xrefs, tell when not to fold. */
150 extern int do_not_fold;
152 /* Turned to 1 if -Wall was encountered. See lang.c for their meanings. */
153 extern int flag_wall;
154 extern int flag_redundant;
155 extern int flag_not_overriding;
156 extern int flag_static_local_jdk1_1;
158 /* When non zero, call a library routine to do integer divisions. */
159 extern int flag_use_divide_subroutine;
161 /* When non zero, generate code for the Boehm GC. */
162 extern int flag_use_boehm_gc;
164 /* When non zero, assume the runtime uses a hash table to map an
165 object to its synchronization structure. */
166 extern int flag_hash_synchronization;
168 /* The Java .class file that provides main_class; the main input file. */
169 extern struct JCF *current_jcf;
171 typedef struct CPool constant_pool;
173 #define CONSTANT_ResolvedFlag 16
175 /* The cpool->data[i] for a ResolvedString points to a STRING_CST. */
176 #define CONSTANT_ResolvedString (CONSTANT_String+CONSTANT_ResolvedFlag)
178 /* The cpool->data[i] for a ResolvedClass points to a RECORD_TYPE. */
179 #define CONSTANT_ResolvedClass (CONSTANT_Class+CONSTANT_ResolvedFlag)
181 #define CPOOL_UTF(CPOOL, INDEX) ((tree) (CPOOL)->data[INDEX])
183 /* A NameAndType constant is represented as a TREE_LIST.
184 The type is the signature string (as an IDENTIFIER_NODE). */
186 #define NAME_AND_TYPE_NAME(CPOOL, IDX) \
187 CPOOL_UTF(CPOOL, CPOOL_USHORT1(CPOOL, IDX))
188 #define NAME_AND_TYPE_SIGNATURE(CPOOL, IDX) \
189 CPOOL_UTF(CPOOL, CPOOL_USHORT2(CPOOL, IDX))
191 /* A FieldRef, MethodRef or InterfaceMethodRef constant
192 is represented as a TREE_LIST. */
194 #define COMPONENT_REF_CLASS_INDEX(CPOOL, IDX) CPOOL_USHORT1(CPOOL, IDX)
195 #define COMPONENT_REF_NAME_AND_TYPE(CPOOL, IDX) CPOOL_USHORT2(CPOOL, IDX)
196 #define COMPONENT_REF_NAME(CPOOL, IDX) \
197 NAME_AND_TYPE_NAME (CPOOL, COMPONENT_REF_NAME_AND_TYPE(CPOOL, IDX))
198 #define COMPONENT_REF_SIGNATURE(CPOOL, IDX) \
199 NAME_AND_TYPE_SIGNATURE (CPOOL, COMPONENT_REF_NAME_AND_TYPE(CPOOL, IDX))
201 /* "Promoted types" that are used for primitive types smaller
202 than int. We could use int_type_node, but then we would lose
203 type information (such as needed for debugging). */
204 extern tree promoted_byte_type_node;
205 extern tree promoted_short_type_node;
206 extern tree promoted_char_type_node;
207 extern tree promoted_boolean_type_node;
209 extern tree byte_type_node;
210 extern tree short_type_node;
211 extern tree int_type_node;
212 extern tree long_type_node;
214 extern tree unsigned_byte_type_node;
215 extern tree unsigned_short_type_node;
216 extern tree unsigned_int_type_node;
217 extern tree unsigned_long_type_node;
219 extern tree boolean_type_node;
221 extern tree object_type_node;
222 extern tree unqualified_object_id_node;
223 extern tree object_ptr_type_node;
224 extern tree string_type_node;
225 extern tree string_ptr_type_node;
226 extern tree throwable_type_node;
227 extern tree runtime_exception_type_node;
228 extern tree error_exception_type_node;
229 extern tree rawdata_ptr_type_node;
231 extern tree *predef_filenames;
232 extern int predef_filenames_size;
234 extern tree byte_array_type_node;
235 extern tree short_array_type_node;
236 extern tree int_array_type_node;
237 extern tree long_array_type_node;
238 extern tree boolean_array_type_node;
239 extern tree char_array_type_node;
240 extern tree double_array_type_node;
241 extern tree float_array_type_node;
242 extern tree array_array_type_node;
243 extern tree object_array_type_node;
244 extern tree string_array_type_node;
245 extern tree boolean_array_vtable;
246 extern tree byte_array_vtable;
247 extern tree char_array_vtable;
248 extern tree short_array_vtable;
249 extern tree int_array_vtable;
250 extern tree long_array_vtable;
251 extern tree float_array_vtable;
252 extern tree double_array_vtable;
253 extern tree TYPE_identifier_node; /* "TYPE" */
254 extern tree init_identifier_node; /* "<init>" */
255 extern tree clinit_identifier_node; /* "<clinit>" */
256 extern tree finit_identifier_node; /* "finit$" */
257 extern tree finit_leg_identifier_node; /* "$finit$" */
258 extern tree void_signature_node; /* "()V" */
259 extern tree length_identifier_node; /* "length" */
260 extern tree this_identifier_node; /* "this" */
261 extern tree super_identifier_node; /* "super" */
262 extern tree continue_identifier_node; /* "continue" */
263 extern tree access0_identifier_node; /* "access$0" */
264 extern tree one_elt_array_domain_type;
265 /* The type of the return address of a subroutine. */
266 extern tree return_address_type_node;
268 /* Nodes for boolean constants TRUE and FALSE. */
269 extern tree boolean_true_node, boolean_false_node;
271 /* Integer constants not declared in tree.h. */
272 extern tree long_zero_node;
273 extern tree float_zero_node;
274 extern tree double_zero_node;
275 extern tree integer_negative_one_node;
276 extern tree integer_two_node;
277 extern tree integer_four_node;
278 extern tree empty_stmt_node;
280 /* The type for struct methodtable. */
281 extern tree methodtable_type;
282 extern tree methodtable_ptr_type;
284 extern tree utf8const_type;
285 extern tree utf8const_ptr_type;
287 extern tree class_type_node;
288 extern tree class_ptr_type;
289 extern tree field_type_node;
290 extern tree constants_type_node;
291 extern tree dtable_type, dtable_ptr_type;
292 extern tree field_ptr_type_node;
293 extern tree field_info_union_node;
294 extern tree method_type_node;
295 extern tree method_ptr_type_node;
296 #define nativecode_ptr_type_node ptr_type_node
298 extern tree end_params_node;
300 /* References to internal libjava functions we use. */
301 extern tree alloc_object_node;
302 extern tree soft_instanceof_node;
303 extern tree soft_checkcast_node;
304 extern tree soft_initclass_node;
305 extern tree soft_newarray_node;
306 extern tree soft_anewarray_node;
307 extern tree soft_multianewarray_node;
308 extern tree soft_badarrayindex_node;
309 extern tree soft_nullpointer_node;
310 extern tree throw_node[];
311 extern tree soft_checkarraystore_node;
312 extern tree soft_monitorenter_node;
313 extern tree soft_monitorexit_node;
314 extern tree soft_lookupinterfacemethod_node;
315 extern tree soft_lookupjnimethod_node;
316 extern tree soft_getjnienvnewframe_node;
317 extern tree soft_jnipopsystemframe_node;
318 extern tree soft_fmod_node;
319 extern tree soft_exceptioninfo_call_node;
320 extern tree soft_idiv_node;
321 extern tree soft_irem_node;
322 extern tree soft_ldiv_node;
323 extern tree soft_lrem_node;
325 extern tree access_flags_type_node;
327 extern tree class_dtable_decl;
329 /* They need to be reset before processing each class */
330 extern struct CPool *outgoing_cpool;
331 extern tree current_constant_pool_data_ref;
333 extern tree wfl_operator;
335 extern char *cyclic_inheritance_report;
337 extern char *cyclic_inheritance_report;
339 struct lang_identifier
341 struct tree_identifier ignore;
342 tree global_value, local_value;
344 /* If non-NULL: An ADDR_REF to a VAR_DECL that contains
345 * the Utf8Const representation of the identifier. */
349 /* Macros for access to language-specific slots in an identifier. */
350 /* UNless specifide, each of these slots contains a DECL node or null. */
352 /* This represents the value which the identifier has in the
353 file-scope namespace. */
354 #define IDENTIFIER_GLOBAL_VALUE(NODE) \
355 (((struct lang_identifier *)(NODE))->global_value)
356 /* This represents the value which the identifier has in the current
358 #define IDENTIFIER_LOCAL_VALUE(NODE) \
359 (((struct lang_identifier *)(NODE))->local_value)
361 /* Given an identifier NODE, get the corresponding (non-handle) class.
362 For get_identifier ("java.lang.Number"), the result is
363 the struct whose DECL_ASSEMBLER_NAME is "Classjava_lang_Number". */
364 #define IDENTIFIER_CLASS_VALUE(NODE) IDENTIFIER_GLOBAL_VALUE(NODE)
366 /* Given an identifier NODE, get the corresponding handle class.
367 For get_identifier ("java.lang.Number"), the result is
368 the struct whose DECL_ASSEMBLER_NAME is "Hjava_lang_Number". */
369 #define IDENTIFIER_HANDLECLASS_VALUE(NODE) ???
371 /* Given a signature of a reference (or array) type, or a method, return the
372 corresponding type (if one has been allocated).
373 Do not use for primitive types, since they may be ambiguous.
374 (E.g. is "I" a signature or a class name?) */
375 #define IDENTIFIER_SIGNATURE_TYPE(NODE) IDENTIFIER_GLOBAL_VALUE(NODE)
377 /* If non-NULL: An ADDR_REF to a VAR_DECL that contains
378 the Utf8Const representation of the identifier. */
379 #define IDENTIFIER_UTF8_REF(NODE) \
380 (((struct lang_identifier *)(NODE))->utf8_ref)
382 #define IDENTIFIER_UTF8_DECL(NODE) \
383 TREE_OPERAND((((struct lang_identifier *)(NODE))->utf8_ref), 0)
385 /* For a FUNCTION_DECL, if we are compiling a .class file, then this is
386 the position in the .class file of the method code.
387 Specifically, this is the code itself, not the code attribute. */
388 #define DECL_CODE_OFFSET(DECL) (DECL_LANG_SPECIFIC(DECL)->code_offset)
389 /* Similarly, the length of the bytecode. */
390 #define DECL_CODE_LENGTH(DECL) (DECL_LANG_SPECIFIC(DECL)->code_length)
391 /* Similarly, the position of the LineNumberTable attribute. */
392 #define DECL_LINENUMBERS_OFFSET(DECL) \
393 (DECL_LANG_SPECIFIC(DECL)->linenumbers_offset)
394 /* Similarly, the position of the LocalVariableTable attribute
395 (following the standard attribute header). */
396 #define DECL_LOCALVARIABLES_OFFSET(DECL) \
397 (DECL_LANG_SPECIFIC(DECL)->localvariables_offset)
399 #define DECL_MAX_LOCALS(DECL) (DECL_LANG_SPECIFIC(DECL)->max_locals)
400 #define DECL_MAX_STACK(DECL) (DECL_LANG_SPECIFIC(DECL)->max_stack)
401 /* Number of local variable slots needed for the arguments of this function. */
402 #define DECL_ARG_SLOT_COUNT(DECL) (DECL_LANG_SPECIFIC(DECL)->arg_slot_count)
403 /* List of checked thrown exceptions, as specified with the `throws'
405 #define DECL_FUNCTION_THROWS(DECL) (DECL_LANG_SPECIFIC(DECL)->throws_list)
406 /* List of other constructors of the same class that this constructor
408 #define DECL_CONSTRUCTOR_CALLS(DECL) \
409 (DECL_LANG_SPECIFIC(DECL)->called_constructor)
410 /* When the function is an access function, the DECL it was trying to
412 #define DECL_FUNCTION_ACCESS_DECL(DECL) \
413 (DECL_LANG_SPECIFIC(DECL)->called_constructor)
414 /* The identifier of the access method used to invoke this method from
416 #define DECL_FUNCTION_INNER_ACCESS(DECL) \
417 (DECL_LANG_SPECIFIC(DECL)->inner_access)
418 /* Pointer to the function's current's COMPOUND_EXPR tree (while
419 completing its body) or the function's block */
420 #define DECL_FUNCTION_BODY(DECL) (DECL_LANG_SPECIFIC(DECL)->function_decl_body)
421 /* How specific the function is (for method selection - Java source
423 #define DECL_SPECIFIC_COUNT(DECL) DECL_ARG_SLOT_COUNT(DECL)
424 /* For each function decl, init_test_table contains a hash table whose
425 entries are keyed on class names, and whose values are local
426 boolean decls. The variables are intended to be TRUE when the
427 class has been initialized in this function, and FALSE otherwise. */
428 #define DECL_FUNCTION_INIT_TEST_TABLE(DECL) \
429 (DECL_LANG_SPECIFIC(DECL)->init_test_table)
430 /* The Number of Artificial Parameters (NAP) DECL contains. this$<n>
431 is excluded, because sometimes created as a parameter before the
432 function decl exists. */
433 #define DECL_FUNCTION_NAP(DECL) (DECL_LANG_SPECIFIC(DECL)->nap)
435 /* For a FIELD_DECL, holds the name of the access method used to
436 read/write the content of the field from an inner class.
437 The cast is ugly. FIXME */
438 #define FIELD_INNER_ACCESS(DECL) ((tree)DECL_LANG_SPECIFIC (DECL))
440 /* True when DECL aliases an outer context local variable. */
441 #define FIELD_LOCAL_ALIAS(DECL) DECL_LANG_FLAG_6 (DECL)
443 /* True when DECL, which aliases an outer context local variable is
444 used by the inner classe */
445 #define FIELD_LOCAL_ALIAS_USED(DECL) DECL_LANG_FLAG_7 (DECL)
447 /* True when DECL is a this$<n> field. Note that
448 FIELD_LOCAL_ALIAS_USED can be differenciated when tested against
449 FIELD_LOCAL_ALIAS. */
450 #define FIELD_THISN(DECL) DECL_LANG_FLAG_7 (DECL)
452 /* In a LABEL_DECL, a TREE_VEC that saves the type_map at that point. */
453 #define LABEL_TYPE_STATE(NODE) (DECL_INITIAL (NODE))
455 /* In the label of a subroutine, a dummy label that records the
456 state following a merge of all the ret instructions in this subroutine. */
457 #define LABEL_RETURN_LABEL(DECL) DECL_ARGUMENTS(DECL)
459 /* In the label of a sub-routine, records the type state at return.
460 * A local may be TYPE_UNUSED, which means that the local is not
461 * used (stored to or loaded from) in this subroutine - at least for
462 * code that we have verified so far. */
463 #define LABEL_RETURN_TYPE_STATE(NODE) LABEL_TYPE_STATE (LABEL_RETURN_LABEL (NODE))
465 /* In a TREE_VEC for a LABEL_RETURN_TYPE_STATE, notes that
466 TREE_VEC_LENGTH has been adjust to the correct stack size. */
467 #define RETURN_MAP_ADJUSTED(NODE) TREE_LANG_FLAG_2(NODE)
469 /* In the label of a sub-routine, a chain of the return location labels. */
470 #define LABEL_RETURN_LABELS(node) \
471 (LABEL_DECL_CHECK (LABEL_RETURN_LABEL(node))->decl.result)
473 /* In a LABEL_DECL, the next pending label.
474 See pending_blocks in expr.c. */
475 #define LABEL_PENDING_CHAIN(NODE) (LABEL_DECL_CHECK (NODE)->decl.result)
477 /* In a LABEL_DECL, the corresponding bytecode program counter. */
478 #define LABEL_PC(NODE) ((NODE)->decl.u2.i)
480 /* Used during verification to mark the label has "changed". (See JVM Spec). */
481 #define LABEL_CHANGED(NODE) DECL_LANG_FLAG_6(NODE)
483 /* In a LABEL_DECL, true if we have verified instructions starting here. */
484 #define LABEL_VERIFIED(NODE) (instruction_bits[LABEL_PC(NODE)]&BCODE_VERIFIED)
486 /* True if this code is within a subroutine (target of a jsr). */
487 #define LABEL_IN_SUBR(NODE) DECL_LANG_FLAG_4(NODE)
488 /* True if this code is the start of a subroutine (target of a jsr). */
489 #define LABEL_IS_SUBR_START(NODE) DECL_LANG_FLAG_5(NODE)
491 /* In a LABEL_DECL, if LABEL_IN_SUBR(NODE), points to start of subroutine. */
492 #define LABEL_SUBR_START(NODE) DECL_ABSTRACT_ORIGIN(NODE)
494 /* In a LABEL_DECL that has LABEL_IS_SUBR_START, this points to the start
495 of surrounding subroutine in the case of a nested subroutine,
496 and NULL_TREE otherwise. */
497 #define LABEL_SUBR_CONTEXT(NODE) DECL_CONTEXT (LABEL_RETURN_LABEL (NODE))
499 /* The slot number for this local variable. */
500 #define DECL_LOCAL_SLOT_NUMBER(NODE) \
501 (((struct lang_decl_var*)DECL_LANG_SPECIFIC(NODE))->slot_number)
502 /* The start (bytecode) pc for the valid range of this local variable. */
503 #define DECL_LOCAL_START_PC(NODE) \
504 (((struct lang_decl_var*)DECL_LANG_SPECIFIC(NODE))->start_pc)
505 /* The end (bytecode) pc for the valid range of this local variable. */
506 #define DECL_LOCAL_END_PC(NODE) \
507 (((struct lang_decl_var*)DECL_LANG_SPECIFIC(NODE))->end_pc)
508 /* For a VAR_DECLor PARM_DECL, used to chain decls with the same
509 slot_number in decl_map. */
510 #define DECL_LOCAL_SLOT_CHAIN(NODE) \
511 (((struct lang_decl_var*)DECL_LANG_SPECIFIC(NODE))->slot_chain)
513 /* For a local VAR_DECL, holds the index into a words bitstring that
514 specifies if this decl is definitively assigned.
515 A DECL_BIT_INDEX of -1 means we no longer care. */
516 #define DECL_BIT_INDEX(DECL) (DECL_CHECK (DECL)->decl.u2.i)
518 /* DECL_LANG_SPECIFIC for FUNCTION_DECLs. */
521 /* tree chain; not yet used. */
524 long linenumbers_offset;
525 long localvariables_offset;
527 int max_locals, max_stack, arg_slot_count;
528 tree throws_list; /* Exception specified by `throws' */
529 tree function_decl_body; /* Hold all function's statements */
530 tree called_constructor; /* When decl is a constructor, the
531 list of other constructor it calls. */
532 struct hash_table init_test_table;
533 /* Class initialization test variables. */
534 tree inner_access; /* The identifier of the access method
535 used for invocation from inner classes */
536 int nap; /* Number of artificial parameters */
538 int native : 1; /* Nonzero if this is a native
542 /* init_test_table hash table entry structure. */
543 struct init_test_hash_entry
545 struct hash_entry root;
549 /* DECL_LANG_SPECIFIC for VAR_DECL and PARM_DECL. */
558 /* Macro to access fields in `struct lang_type'. */
560 #define TYPE_SIGNATURE(T) (TYPE_LANG_SPECIFIC(T)->signature)
561 #define TYPE_JCF(T) (TYPE_LANG_SPECIFIC(T)->jcf)
562 #define TYPE_CPOOL(T) (TYPE_LANG_SPECIFIC(T)->cpool)
563 #define TYPE_CPOOL_DATA_REF(T) (TYPE_LANG_SPECIFIC(T)->cpool_data_ref)
564 #define MAYBE_CREATE_TYPE_TYPE_LANG_SPECIFIC(T) \
565 if (TYPE_LANG_SPECIFIC ((T)) == NULL) \
567 TYPE_LANG_SPECIFIC ((T)) = \
568 (struct lang_type *) xmalloc (sizeof (struct lang_type)); \
570 bzero ((char *) TYPE_LANG_SPECIFIC ((T)), \
571 sizeof (struct lang_type)); \
574 #define TYPE_FINIT_STMT_LIST(T) (TYPE_LANG_SPECIFIC(T)->finit_stmt_list)
575 #define TYPE_CLINIT_STMT_LIST(T) (TYPE_LANG_SPECIFIC(T)->clinit_stmt_list)
576 #define TYPE_II_STMT_LIST(T) (TYPE_LANG_SPECIFIC(T)->ii_block)
577 /* The decl of the synthetic method `class$' used to handle `.class'
578 for non primitive types when compiling to bytecode. */
579 #define TYPE_DOT_CLASS(T) (TYPE_LANG_SPECIFIC(T)->dot_class)
580 #define TYPE_PRIVATE_INNER_CLASS(T) (TYPE_LANG_SPECIFIC(T)->pic)
581 #define TYPE_PROTECTED_INNER_CLASS(T) (TYPE_LANG_SPECIFIC(T)->poic)
588 tree cpool_data_ref; /* Cached */
589 tree finit_stmt_list; /* List of statements $finit$ will use */
590 tree clinit_stmt_list; /* List of statements <clinit> will use */
591 tree ii_block; /* Instance initializer block */
592 tree dot_class; /* The decl of the `class$' function that
593 needs to be invoked and generated when
594 compiling to bytecode to implement
595 <non_primitive_type>.class */
596 unsigned pic:1; /* Private Inner Class. */
597 unsigned poic:1; /* Protected Inner Class. */
600 #ifdef JAVA_USE_HANDLES
601 /* TYPE_BINFO_HANDLE points from a handle-class to its corresponding
602 non-handle-class, and vice verse. */
604 #define BINFO_HANDLE(NODE) TREE_VEC_ELT ((NODE), 6)
606 /* Given a RECORD_TYPE for a handle type, return the corresponding class. */
607 #define HANDLE_TO_CLASS_TYPE(HTYPE) BINFO_HANDLE (TYPE_BINFO (HTYPE))
609 /* Given a RECORD_TYPE for a class, return the corresponding handle type. */
610 #define CLASS_TO_HANDLE_TYPE(TYPE) BINFO_HANDLE (TYPE_BINFO (TYPE))
612 #define HANDLE_TO_CLASS_TYPE(HTYPE) (HTYPE)
613 #define CLASS_TO_HANDLE_TYPE(TYPE) (TYPE)
616 #define JCF_u4 unsigned long
617 #define JCF_u2 unsigned short
619 extern void add_assume_compiled PARAMS ((const char *, int));
620 extern tree lookup_class PARAMS ((tree));
621 extern tree lookup_java_constructor PARAMS ((tree, tree));
622 extern tree lookup_java_method PARAMS ((tree, tree, tree));
623 extern tree lookup_argument_method PARAMS ((tree, tree, tree));
624 extern tree lookup_argument_method2 PARAMS ((tree, tree, tree));
625 extern tree promote_type PARAMS ((tree));
626 extern tree get_constant PARAMS ((struct JCF*, int));
627 extern tree get_name_constant PARAMS ((struct JCF*, int));
628 extern tree get_class_constant PARAMS ((struct JCF*, int));
629 extern tree parse_signature PARAMS ((struct JCF *jcf, int sig_index));
630 extern void jcf_parse PARAMS ((struct JCF*));
631 extern tree add_field PARAMS ((tree, tree, tree, int));
632 extern tree add_method PARAMS ((tree, int, tree, tree));
633 extern tree add_method_1 PARAMS ((tree, int, tree, tree));
634 extern tree make_class PARAMS ((void));
635 extern tree push_class PARAMS ((tree, tree));
636 extern tree unmangle_classname PARAMS ((const char *name, int name_length));
637 extern tree parse_signature_string PARAMS ((const unsigned char *, int));
638 extern tree get_type_from_signature PARAMS ((tree));
639 extern void layout_class PARAMS ((tree));
640 extern tree layout_class_method PARAMS ((tree, tree, tree, tree));
641 extern void layout_class_methods PARAMS ((tree));
642 extern tree build_class_ref PARAMS ((tree));
643 extern tree build_dtable_decl PARAMS ((tree));
644 extern tree build_internal_class_name PARAMS ((tree));
645 extern tree build_constants_constructor PARAMS ((void));
646 extern tree build_ref_from_constant_pool PARAMS ((int));
647 extern tree build_utf8_ref PARAMS ((tree));
648 extern tree ident_subst PARAMS ((const char*, int,
649 const char*, int, int, const char*));
650 extern tree identifier_subst PARAMS ((const tree,
651 const char *, int, int, const char *));
652 extern tree build_java_signature PARAMS ((tree));
653 extern tree build_java_argument_signature PARAMS ((tree));
654 extern void set_java_signature PARAMS ((tree, tree));
655 extern tree build_static_field_ref PARAMS ((tree));
656 extern tree build_address_of PARAMS ((tree));
657 extern tree find_local_variable PARAMS ((int index, tree type, int pc));
658 extern tree find_stack_slot PARAMS ((int index, tree type));
659 extern tree build_prim_array_type PARAMS ((tree, HOST_WIDE_INT));
660 extern tree build_java_array_type PARAMS ((tree, HOST_WIDE_INT));
661 extern int is_compiled_class PARAMS ((tree));
662 extern tree mangled_classname PARAMS ((const char*, tree));
663 extern tree lookup_label PARAMS ((int));
664 extern tree pop_type_0 PARAMS ((tree));
665 extern tree pop_type PARAMS ((tree));
666 extern void pop_argument_types PARAMS ((tree));
667 extern tree decode_newarray_type PARAMS ((int));
668 extern tree lookup_field PARAMS ((tree*, tree));
669 extern int is_array_type_p PARAMS ((tree));
670 extern HOST_WIDE_INT java_array_type_length PARAMS ((tree));
671 extern int read_class PARAMS ((tree));
672 extern void load_class PARAMS ((tree, int));
674 extern tree lookup_name PARAMS ((tree));
675 extern tree build_known_method_ref PARAMS ((tree, tree, tree, tree, tree));
676 extern tree build_class_init PARAMS ((tree, tree));
677 extern tree build_invokevirtual PARAMS ((tree, tree));
678 extern tree build_invokeinterface PARAMS ((tree, tree));
679 extern tree build_jni_stub PARAMS ((tree));
680 extern tree invoke_build_dtable PARAMS ((int, tree));
681 extern tree build_field_ref PARAMS ((tree, tree, tree));
682 extern void pushdecl_force_head PARAMS ((tree));
683 extern tree build_java_binop PARAMS ((enum tree_code, tree, tree, tree));
684 extern tree build_java_soft_divmod PARAMS ((enum tree_code, tree, tree, tree));
685 extern tree binary_numeric_promotion PARAMS ((tree, tree, tree *, tree *));
686 extern tree build_java_arrayaccess PARAMS ((tree, tree, tree));
687 extern tree build_newarray PARAMS ((int, tree));
688 extern tree build_anewarray PARAMS ((tree, tree));
689 extern tree build_new_array PARAMS ((tree, tree));
690 extern tree build_java_array_length_access PARAMS ((tree));
691 extern tree build_java_arraynull_check PARAMS ((tree, tree, tree));
692 extern tree build_get_class PARAMS ((tree));
693 extern tree build_instanceof PARAMS ((tree, tree));
694 extern tree create_label_decl PARAMS ((tree));
695 extern void push_labeled_block PARAMS ((tree));
696 extern tree prepare_eh_table_type PARAMS ((tree));
697 extern void java_set_exception_lang_code PARAMS ((void));
698 extern tree generate_name PARAMS ((void));
699 extern void pop_labeled_block PARAMS ((void));
700 extern const char *lang_printable_name PARAMS ((tree, int));
701 extern tree maybe_add_interface PARAMS ((tree, tree));
702 extern void set_super_info PARAMS ((int, tree, tree, int));
703 extern int get_access_flags_from_decl PARAMS ((tree));
704 extern int interface_of_p PARAMS ((tree, tree));
705 extern int inherits_from_p PARAMS ((tree, tree));
706 extern int common_enclosing_context_p PARAMS ((tree, tree));
707 extern int enclosing_context_p PARAMS ((tree, tree));
708 extern void complete_start_java_method PARAMS ((tree));
709 extern tree build_result_decl PARAMS ((tree));
710 extern void emit_handlers PARAMS ((void));
711 extern void init_outgoing_cpool PARAMS ((void));
712 extern void make_class_data PARAMS ((tree));
713 extern void register_class PARAMS ((void));
714 extern int alloc_name_constant PARAMS ((int, tree));
715 extern void emit_register_classes PARAMS ((void));
716 extern void lang_init_source PARAMS ((int));
717 extern void write_classfile PARAMS ((tree));
718 extern char *print_int_node PARAMS ((tree));
719 extern void parse_error_context PARAMS ((tree cl, const char *, ...))
721 extern tree build_primtype_type_ref PARAMS ((const char *));
722 extern tree java_get_real_method_name PARAMS ((tree));
723 extern void finish_class PARAMS ((void));
724 extern void java_layout_seen_class_methods PARAMS ((void));
725 extern void check_for_initialization PARAMS ((tree));
727 extern tree pushdecl_top_level PARAMS ((tree));
728 extern int alloc_class_constant PARAMS ((tree));
729 extern int unicode_mangling_length PARAMS ((const char *, int));
730 extern void init_expr_processing PARAMS ((void));
731 extern void push_super_field PARAMS ((tree, tree));
732 extern void init_class_processing PARAMS ((void));
733 extern int can_widen_reference_to PARAMS ((tree, tree));
734 extern int class_depth PARAMS ((tree));
735 extern int verify_jvm_instructions PARAMS ((struct JCF *, const unsigned char *, long));
736 extern void maybe_pushlevels PARAMS ((int));
737 extern void maybe_poplevels PARAMS ((int));
738 extern void force_poplevels PARAMS ((int));
739 extern int process_jvm_instruction PARAMS ((int, const unsigned char *, long));
740 extern void set_local_type PARAMS ((int, tree));
741 extern int merge_type_state PARAMS ((tree));
742 extern void push_type PARAMS ((tree));
743 extern void load_type_state PARAMS ((tree));
744 extern void add_interface PARAMS ((tree, tree));
745 extern void append_gpp_mangled_name PARAMS ((struct obstack *, const char *, int));
746 extern void append_gpp_mangled_classtype PARAMS ((struct obstack *, const char *));
747 extern void emit_unicode_mangled_name PARAMS ((struct obstack *, const char *, int));
748 extern tree force_evaluation_order PARAMS ((tree));
749 extern int verify_constant_pool PARAMS ((struct JCF *));
750 extern void start_java_method PARAMS ((tree));
751 extern void end_java_method PARAMS ((void));
752 extern void give_name_to_locals PARAMS ((struct JCF *));
753 extern void expand_byte_code PARAMS ((struct JCF *, tree));
754 extern int open_in_zip PARAMS ((struct JCF *, const char *, const char *, int));
755 extern void set_constant_value PARAMS ((tree, tree));
757 extern int find_constant1 PARAMS ((struct CPool *, int, jword));
758 extern int find_constant2 PARAMS ((struct CPool *, int, jword, jword));
760 extern int find_utf8_constant PARAMS ((struct CPool *, tree));
761 extern int find_string_constant PARAMS ((struct CPool *, tree));
762 extern int find_class_constant PARAMS ((struct CPool *, tree));
763 extern int find_fieldref_index PARAMS ((struct CPool *, tree));
764 extern int find_methodref_index PARAMS ((struct CPool *, tree));
765 extern void write_constant_pool PARAMS ((struct CPool *, unsigned char *, int));
766 extern int count_constant_pool_bytes PARAMS ((struct CPool *));
767 extern int encode_newarray_type PARAMS ((tree));
769 extern void format_int PARAMS ((char *, jlong, int));
770 extern void format_uint PARAMS ((char *, uint64, int));
772 extern void jcf_trim_old_input PARAMS ((struct JCF *));
774 extern void jcf_print_utf8 PARAMS ((FILE *, const unsigned char *, int));
775 extern void jcf_print_char PARAMS ((FILE *, int));
776 extern void jcf_print_utf8_replace PARAMS ((FILE *, const unsigned char *,
779 extern const char* open_class PARAMS ((const char *, struct JCF *,
780 FILE *, const char *));
782 extern const char* open_class PARAMS ((const char *, struct JCF *,
784 # endif /* JCF_USE_STDIO */
786 extern void java_debug_context PARAMS ((void));
787 extern void safe_layout_class PARAMS ((tree));
789 extern tree get_boehm_type_descriptor PARAMS ((tree));
790 extern unsigned long java_hash_hash_tree_node PARAMS ((hash_table_key));
791 extern boolean java_hash_compare_tree_node PARAMS ((hash_table_key,
793 extern void java_check_methods PARAMS ((tree));
795 /* We use ARGS_SIZE_RTX to indicate that gcc/expr.h has been included
796 to declare `enum expand_modifier'. */
797 #if defined (TREE_CODE) && defined(RTX_CODE) && defined (HAVE_MACHINE_MODES) && defined (ARGS_SIZE_RTX)
798 struct rtx_def * java_lang_expand_expr PARAMS ((tree, rtx, enum machine_mode,
799 enum expand_modifier));
800 #endif /* TREE_CODE && RTX_CODE && HAVE_MACHINE_MODES && ARGS_SIZE_RTX */
802 /* Access flags etc for a method (a FUNCTION_DECL): */
804 #define METHOD_PUBLIC(DECL) DECL_LANG_FLAG_1 (DECL)
805 #define METHOD_PRIVATE(DECL) TREE_PRIVATE (DECL)
806 #define METHOD_PROTECTED(DECL) TREE_PROTECTED (DECL)
807 #define METHOD_STATIC(DECL) DECL_LANG_FLAG_2 (DECL)
808 #define METHOD_FINAL(DECL) DECL_LANG_FLAG_3 (DECL)
809 #define METHOD_SYNCHRONIZED(DECL) DECL_LANG_FLAG_4 (DECL)
810 #define METHOD_NATIVE(DECL) (DECL_LANG_SPECIFIC(DECL)->native)
811 #define METHOD_ABSTRACT(DECL) DECL_LANG_FLAG_5 (DECL)
812 #define METHOD_TRANSIENT(DECL) DECL_LANG_FLAG_6 (DECL)
814 /* Other predicates on method decls */
816 #define DECL_CONSTRUCTOR_P(DECL) DECL_LANG_FLAG_7(DECL)
818 #define DECL_INIT_P(DECL) (ID_INIT_P (DECL_NAME (DECL)))
819 #define DECL_FINIT_P(DECL) (ID_FINIT_P (DECL_NAME (DECL)))
820 #define DECL_CLINIT_P(DECL) (ID_CLINIT_P (DECL_NAME (DECL)))
822 /* Predicates on method identifiers. Kept close to other macros using
824 #define ID_INIT_P(ID) ((ID) == init_identifier_node)
825 /* Match ID to either `$finit$' or `finit$', so that `$finit$'
826 continues to be recognized as an equivalent to `finit$' which is
827 now the prefered name used for the field initialization special
829 #define ID_FINIT_P(ID) ((ID) == finit_identifier_node \
830 || (ID) == finit_leg_identifier_node)
831 #define ID_CLINIT_P(ID) ((ID) == clinit_identifier_node)
833 /* Access flags etc for a variable/field (a FIELD_DECL): */
835 #define FIELD_PRIVATE(DECL) TREE_PRIVATE (DECL)
836 #define FIELD_PROTECTED(DECL) TREE_PROTECTED (DECL)
837 #define FIELD_PUBLIC(DECL) DECL_LANG_FLAG_1 (DECL)
838 #define FIELD_STATIC(DECL) TREE_STATIC (DECL)
839 #define FIELD_FINAL(DECL) DECL_LANG_FLAG_3 (DECL)
840 #define FIELD_VOLATILE(DECL) DECL_LANG_FLAG_4 (DECL)
841 #define FIELD_TRANSIENT(DECL) DECL_LANG_FLAG_5 (DECL)
842 #define LOCAL_FINAL(DECL) FIELD_FINAL(DECL)
844 /* Access flags etc for a class (a TYPE_DECL): */
846 #define CLASS_PUBLIC(DECL) DECL_LANG_FLAG_1 (DECL)
847 #define CLASS_FINAL(DECL) DECL_LANG_FLAG_3 (DECL)
848 #define CLASS_INTERFACE(DECL) DECL_LANG_FLAG_4 (DECL)
849 #define CLASS_ABSTRACT(DECL) DECL_LANG_FLAG_5 (DECL)
850 #define CLASS_SUPER(DECL) DECL_LANG_FLAG_6 (DECL)
851 #define CLASS_STATIC(DECL) DECL_LANG_FLAG_7 (DECL)
852 #define CLASS_PRIVATE(DECL) (TYPE_PRIVATE_INNER_CLASS (TREE_TYPE (DECL)))
853 #define CLASS_PROTECTED(DECL) (TYPE_PROTECTED_INNER_CLASS (TREE_TYPE (DECL)))
855 /* @deprecated marker flag on methods, fields and classes */
857 #define METHOD_DEPRECATED(DECL) DECL_LANG_FLAG_0 (DECL)
858 #define FIELD_DEPRECATED(DECL) DECL_LANG_FLAG_0 (DECL)
859 #define CLASS_DEPRECATED(DECL) DECL_LANG_FLAG_0 (DECL)
860 #define DECL_DEPRECATED(DECL) DECL_LANG_FLAG_0 (DECL)
862 /* The number of virtual methods in this class's dispatch table.
863 Does not include initial two dummy entries (one points to the
864 Class object, and the other is for G++ -fvtable-thunks compatibility). */
865 #define TYPE_NVIRTUALS(TYPE) TYPE_BINFO_VIRTUALS (TYPE)
867 /* A TREE_VEC (indexed by DECL_VINDEX) containing this class's
869 #define TYPE_VTABLE(TYPE) TYPE_BINFO_VTABLE(TYPE)
871 /* Use CLASS_LOADED_P? FIXME */
872 #define CLASS_COMPLETE_P(DECL) DECL_LANG_FLAG_2 (DECL)
874 /* This maps a bytecode offset (PC) to various flags,
875 listed below (starting with BCODE_). */
876 extern char *instruction_bits;
878 /* True iff the byte is the start of an instruction. */
879 #define BCODE_INSTRUCTION_START 1
881 /* True iff there is a jump to this location. */
882 #define BCODE_JUMP_TARGET 2
884 /* True iff there is a return to this location.
885 (I.e. the preceedng instruction was a call.) */
886 #define BCODE_RETURN_TARGET 4
888 /* True iff this is the start of an exception handler. */
889 #define BCODE_EXCEPTION_TARGET 16
891 /* True iff there is a jump to this location (and it needs a label). */
892 #define BCODE_TARGET \
893 (BCODE_JUMP_TARGET|BCODE_RETURN_TARGET \
894 | BCODE_EXCEPTION_TARGET)
896 /* True iff there is an entry in the linenumber table for this location. */
897 #define BCODE_HAS_LINENUMBER 32
899 /* True iff there is more than one entry in the linenumber table for
900 this location. (This probably does not make much sense.) */
901 #define BCODE_HAS_MULTI_LINENUMBERS 64
903 /* True if this instruction has been verified. */
904 #define BCODE_VERIFIED 8
906 /* A pointer to the line number table of the current method. */
907 extern const unsigned char *linenumber_table;
908 /* The length (in items) of the line number table. */
909 extern int linenumber_count;
911 /* In type_map, means that slot is uninitialized or otherwise unusable. */
912 #define TYPE_UNKNOWN NULL_TREE
914 /* In type_map, means the second half of a 64-bit double or long. */
915 #define TYPE_SECOND void_type_node
917 /* In type_map, means the null type (i.e. type of a null reference). */
918 #define TYPE_NULL ptr_type_node
920 /* In a type map means the type the address subroutine return address. */
921 #define TYPE_RETURN_ADDR return_address_type_node
923 /* In a subroutine's return type map, indicates that the slot was neither
924 used nor set in the subroutine. */
925 #define TYPE_UNUSED error_mark_node
927 /* A array mapping variable/stack slot index to the type current
928 in that variable/stack slot.
929 TYPE_UNKNOWN, TYPE_SECOND, and TYPE_NULL are special cases. */
930 extern tree *type_map;
932 /* Map a stack index to the type currently in that slot. */
933 #define stack_type_map (type_map+DECL_MAX_LOCALS(current_function_decl))
935 /* True iff TYPE takes two variable/stack slots. */
936 #define TYPE_IS_WIDE(TYPE) \
937 ((TYPE) == double_type_node || (TYPE) == long_type_node)
939 /* True iif CLASS has it's access$0 method generated. */
940 #define CLASS_ACCESS0_GENERATED_P(CLASS) TYPE_LANG_FLAG_0 (CLASS)
942 /* True iff TYPE is a Java array type. */
943 #define TYPE_ARRAY_P(TYPE) TYPE_LANG_FLAG_1 (TYPE)
945 /* If FUNCTION_TYPE or METHOD_TYPE: cache for build_java_argument_signature. */
946 #define TYPE_ARGUMENT_SIGNATURE(TYPE) TYPE_VFIELD(TYPE)
948 /* Given an array type, give the type of the elements. */
949 /* FIXME this use of TREE_TYPE conflicts with something or other. */
950 #define TYPE_ARRAY_ELEMENT(ATYPE) TREE_TYPE(ATYPE)
952 /* True if class TYPE has been loaded. */
953 #define CLASS_LOADED_P(TYPE) TYPE_LANG_FLAG_2 (TYPE)
955 /* True if class TYPE was defined in Java source code. */
956 #define CLASS_FROM_SOURCE_P(TYPE) TYPE_LANG_FLAG_3 (TYPE)
958 /* True of a RECORD_TYPE of a class/interface type (not array type) */
959 #define CLASS_P(TYPE) TYPE_LANG_FLAG_4 (TYPE)
961 /* True if class TYPE was defined in a Java source file compiled. */
962 #define CLASS_FROM_CURRENTLY_COMPILED_SOURCE_P(TYPE) \
963 TYPE_LANG_FLAG_5 (TYPE)
965 /* True if class TYPE is currently being laid out. Helps in detection
966 of inheritance cycle occuring as a side effect of performing the
967 layout of a class. */
968 #define CLASS_BEING_LAIDOUT(TYPE) TYPE_LANG_FLAG_6 (TYPE)
970 /* True if class TYPE is currently being laid out. Helps in detection
971 of inheritance cycle occuring as a side effect of performing the
972 layout of a class. */
973 #define CLASS_BEING_LAIDOUT(TYPE) TYPE_LANG_FLAG_6 (TYPE)
975 /* True if class TYPE has a field initializer $finit$ function */
976 #define CLASS_HAS_FINIT_P(TYPE) TYPE_FINIT_STMT_LIST (TYPE)
978 /* True if identifier ID was seen while processing a single type import stmt */
979 #define IS_A_SINGLE_IMPORT_CLASSFILE_NAME_P(ID) TREE_LANG_FLAG_0 (ID)
981 /* True if identifier ID was seen while processing an import statement */
982 #define IS_A_CLASSFILE_NAME(ID) TREE_LANG_FLAG_1 (ID)
984 /* True if ID is a qualified named (contains . or /) */
985 #define QUALIFIED_P(ID) TREE_LANG_FLAG_2 (ID)
987 /* True if ID is an already processed import on demand */
988 #define IS_AN_IMPORT_ON_DEMAND_P(ID) TREE_LANG_FLAG_3 (ID)
990 /* True if ID is a command-line specified filename */
991 #define IS_A_COMMAND_LINE_FILENAME_P(ID) TREE_LANG_FLAG_4 (ID)
993 /* True if filename ID has already been parsed */
994 #define HAS_BEEN_ALREADY_PARSED_P(ID) TREE_LANG_FLAG_5 (ID)
996 /* True if EXPR is RHS sub-tree of a compound assign expression */
997 #define COMPOUND_ASSIGN_P(EXPR) TREE_LANG_FLAG_1 (EXPR)
999 /* True if a SWITCH_EXPR has a DEFAULT_EXPR. */
1000 #define SWITCH_HAS_DEFAULT(NODE) TREE_LANG_FLAG_3 (NODE)
1002 /* True if EXPR (a WFL in that case) was created after the
1003 reduction of PRIMARY . XXX */
1004 #define PRIMARY_P(EXPR) TREE_LANG_FLAG_2 (EXPR)
1006 /* True if EXPR (a MODIFY_EXPR in that case) is the result of variable
1007 initialization during its declaration */
1008 #define MODIFY_EXPR_FROM_INITIALIZATION_P(EXPR) TREE_LANG_FLAG_2 (EXPR)
1010 #define CLASS_METHOD_CHECKED_P(EXPR) TREE_LANG_FLAG_2 (EXPR)
1012 /* True if EXPR (a WFL in that case) resolves into an expression name */
1013 #define RESOLVE_EXPRESSION_NAME_P(WFL) TREE_LANG_FLAG_0 (WFL)
1015 /* True if EXPR (a LOOP_EXPR in that case) is part of a for statement */
1016 #define FOR_LOOP_P(EXPR) TREE_LANG_FLAG_0 (EXPR)
1018 /* True if NODE (a RECORD_TYPE in that case) is an anonymous class. */
1019 #define ANONYMOUS_CLASS_P(NODE) TREE_LANG_FLAG_0 (NODE)
1021 /* True if NODE (a RECORD_TYPE in that case) is a block local class. */
1022 #define LOCAL_CLASS_P(NODE) TREE_LANG_FLAG_1 (NODE)
1024 /* True if NODE (a TREE_LIST) hold a pair of argument name/type
1025 declared with the final modifier */
1026 #define ARG_FINAL_P(NODE) TREE_LANG_FLAG_0 (NODE)
1028 /* True if EXPR (a WFL in that case) resolves into a package name */
1029 #define RESOLVE_PACKAGE_NAME_P(WFL) TREE_LANG_FLAG_3 (WFL)
1031 /* True if EXPR (a WFL in that case) resolves into a type name */
1032 #define RESOLVE_TYPE_NAME_P(WFL) TREE_LANG_FLAG_4 (WFL)
1034 /* True if STMT (a WFL in that case) holds a BREAK statement */
1035 #define IS_BREAK_STMT_P(WFL) TREE_LANG_FLAG_5 (WFL)
1037 /* True if EXPR (a CALL_EXPR in that case) is a crafted StringBuffer */
1038 #define IS_CRAFTED_STRING_BUFFER_P(EXPR) TREE_LANG_FLAG_5 (EXPR)
1040 /* True if EXPR (a SAVE_EXPR in that case) had its content already
1041 checked for (un)initialized local variables. */
1042 #define IS_INIT_CHECKED(EXPR) TREE_LANG_FLAG_5 (EXPR)
1044 /* If set in CALL_EXPR, the receiver is 'super'. */
1045 #define CALL_USING_SUPER(EXPR) TREE_LANG_FLAG_4 (EXPR)
1047 /* True if NODE (a statement) can complete normally. */
1048 #define CAN_COMPLETE_NORMALLY(NODE) TREE_LANG_FLAG_6(NODE)
1050 /* True if NODE (an IDENTIFIER) bears the name of a outer field from
1051 inner class access function. */
1052 #define OUTER_FIELD_ACCESS_IDENTIFIER_P(NODE) TREE_LANG_FLAG_6(NODE)
1054 /* Non null if NODE belongs to an inner class TYPE_DECL node.
1055 Verifies that NODE as the attributes of a decl. */
1056 #define INNER_CLASS_DECL_P(NODE) (TYPE_NAME (TREE_TYPE (NODE)) == NODE \
1057 && DECL_CONTEXT (NODE))
1059 /* Non null if NODE is an top level class TYPE_DECL node: NODE isn't
1060 an inner class or NODE is a static class. */
1061 #define TOPLEVEL_CLASS_DECL_P(NODE) (!INNER_CLASS_DECL_P (NODE) \
1062 || CLASS_STATIC (NODE))
1064 /* True if the class decl NODE was declared in a inner scope and is
1065 not a toplevel class */
1066 #define PURE_INNER_CLASS_DECL_P(NODE) \
1067 (INNER_CLASS_DECL_P (NODE) && !CLASS_STATIC (NODE))
1069 /* Non null if NODE belongs to an inner class RECORD_TYPE node. Checks
1070 that TYPE_NAME bears a decl. An array type wouldn't. */
1071 #define INNER_CLASS_TYPE_P(NODE) (TREE_CODE (TYPE_NAME (NODE)) == TYPE_DECL \
1072 && DECL_CONTEXT (TYPE_NAME (NODE)))
1074 #define TOPLEVEL_CLASS_TYPE_P(NODE) (!INNER_CLASS_TYPE_P (NODE) \
1075 || CLASS_STATIC (TYPE_NAME (NODE)))
1077 /* True if the class type NODE was declared in a inner scope and is
1078 not a toplevel class */
1079 #define PURE_INNER_CLASS_TYPE_P(NODE) \
1080 (INNER_CLASS_TYPE_P (NODE) && !CLASS_STATIC (TYPE_NAME (NODE)))
1082 /* Non null if NODE (a TYPE_DECL or a RECORD_TYPE) is an inner class. */
1083 #define INNER_CLASS_P(NODE) (TREE_CODE (NODE) == TYPE_DECL ? \
1084 INNER_CLASS_DECL_P (NODE) : \
1085 (TREE_CODE (NODE) == RECORD_TYPE ? \
1086 INNER_CLASS_TYPE_P (NODE) : \
1087 (fatal ("INNER_CLASS_P: Wrong node type"), 0)))
1089 /* On a TYPE_DECL, hold the list of inner classes defined within the
1090 scope of TYPE_DECL. */
1091 #define DECL_INNER_CLASS_LIST(NODE) DECL_INITIAL (NODE)
1093 /* Add a FIELD_DECL to RECORD_TYPE RTYPE.
1094 The field has name NAME (a char*), and type FTYPE.
1095 Unless this is the first field, FIELD most hold the previous field.
1096 FIELD is set to the newly created FIELD_DECL.
1098 We set DECL_ARTIFICIAL so these fields get skipped by make_class_data
1099 if compiling java.lang.Object or java.lang.Class. */
1101 #define PUSH_FIELD(RTYPE, FIELD, NAME, FTYPE) \
1102 { tree tmp_field = build_decl (FIELD_DECL, get_identifier(NAME), FTYPE); \
1103 if (TYPE_FIELDS (RTYPE) == NULL_TREE) TYPE_FIELDS (RTYPE) = tmp_field; \
1104 else TREE_CHAIN(FIELD) = tmp_field; \
1105 DECL_CONTEXT (tmp_field) = RTYPE; \
1106 DECL_ARTIFICIAL (tmp_field) = 1; \
1107 FIELD = tmp_field; }
1109 #define FINISH_RECORD(RTYPE) layout_type (RTYPE)
1111 /* Start building a RECORD_TYPE constructor with a given TYPE in CONS. */
1112 #define START_RECORD_CONSTRUCTOR(CONS, CTYPE) { \
1113 CONS = build (CONSTRUCTOR, CTYPE, NULL_TREE, NULL_TREE);\
1114 TREE_CHAIN(CONS) = TYPE_FIELDS (CTYPE); }
1116 /* Append a field initializer to CONS for the dummy field for the inherited
1117 fields. The dummy field has the given VALUE, and the same type as the
1118 super-class. Must be specified before calls to PUSH_FIELD_VALUE. */
1120 #define PUSH_SUPER_VALUE(CONS, VALUE) {\
1121 tree field = TREE_CHAIN(CONS);\
1122 if (DECL_NAME (field) != NULL_TREE) abort();\
1123 CONSTRUCTOR_ELTS(CONS) = tree_cons (field, VALUE, CONSTRUCTOR_ELTS(CONS));\
1124 TREE_CHAIN(CONS) = TREE_CHAIN (field); }
1126 /* Append a field initializer to CONS for a field with the given VALUE.
1127 NAME is a char* string used for error checking;
1128 the initializer must be specified in order. */
1129 #define PUSH_FIELD_VALUE(CONS, NAME, VALUE) {\
1130 tree field = TREE_CHAIN(CONS);\
1131 if (strcmp (IDENTIFIER_POINTER (DECL_NAME (field)), NAME) != 0) abort();\
1132 CONSTRUCTOR_ELTS(CONS) = tree_cons (field, VALUE, CONSTRUCTOR_ELTS(CONS));\
1133 TREE_CHAIN(CONS) = TREE_CHAIN (field); }
1135 /* Finish creating a record CONSTRUCTOR CONS. */
1136 #define FINISH_RECORD_CONSTRUCTOR(CONS) \
1137 CONSTRUCTOR_ELTS(CONS) = nreverse (CONSTRUCTOR_ELTS(CONS))
1139 /* Macros on constructors invocations. */
1140 #define CALL_CONSTRUCTOR_P(NODE) \
1141 (TREE_CODE (NODE) == NEW_CLASS_EXPR || CALL_EXPLICIT_CONSTRUCTOR_P (NODE))
1143 #define CALL_EXPLICIT_CONSTRUCTOR_P(NODE) \
1144 (CALL_THIS_CONSTRUCTOR_P (NODE) || CALL_SUPER_CONSTRUCTOR_P (NODE))
1146 #define CALL_THIS_CONSTRUCTOR_P(NODE) \
1147 (TREE_CODE (NODE) == CALL_EXPR \
1148 && EXPR_WFL_NODE (TREE_OPERAND (NODE, 0)) == this_identifier_node)
1150 #define CALL_SUPER_CONSTRUCTOR_P(NODE) \
1151 (TREE_CODE (NODE) == CALL_EXPR \
1152 && EXPR_WFL_NODE (TREE_OPERAND (NODE, 0)) == super_identifier_node)
1154 /* Using a FINALLY_EXPR node */
1155 #define FINALLY_EXPR_LABEL(NODE) TREE_OPERAND ((NODE), 0)
1156 #define FINALLY_EXPR_BLOCK(NODE) TREE_OPERAND ((NODE), 1)
1158 #define BLOCK_EXPR_DECLS(NODE) BLOCK_VARS(NODE)
1159 #define BLOCK_EXPR_BODY(NODE) BLOCK_SUBBLOCKS(NODE)
1161 #define BUILD_MONITOR_ENTER(WHERE, ARG) \
1163 (WHERE) = build (CALL_EXPR, int_type_node, \
1164 build_address_of (soft_monitorenter_node), \
1165 build_tree_list (NULL_TREE, (ARG)), \
1167 TREE_SIDE_EFFECTS (WHERE) = 1; \
1170 #define BUILD_MONITOR_EXIT(WHERE, ARG) \
1172 (WHERE) = build (CALL_EXPR, int_type_node, \
1173 build_address_of (soft_monitorexit_node), \
1174 build_tree_list (NULL_TREE, (ARG)), \
1176 TREE_SIDE_EFFECTS (WHERE) = 1; \
1179 /* Non zero if TYPE is an unchecked exception */
1180 #define IS_UNCHECKED_EXCEPTION_P(TYPE) \
1181 (inherits_from_p ((TYPE), runtime_exception_type_node) \
1182 || inherits_from_p ((TYPE), error_exception_type_node))
1184 extern int java_error_count; \
1186 /* Make the current function where this macro is invoked report error
1187 messages and and return, if any */
1188 #define java_parse_abort_on_error() \
1190 if (java_error_count > save_error_count) \
1194 /* These are the possible values for the `state' field of the class
1195 structure. This must be kept in sync with libgcj. */
1198 JV_STATE_NOTHING = 0, /* Set by compiler. */
1200 JV_STATE_PRELOADING = 1, /* Can do _Jv_FindClass. */
1201 JV_STATE_LOADING = 3, /* Has super installed. */
1202 JV_STATE_LOADED = 5, /* Is complete. */
1204 JV_STATE_COMPILED = 6, /* This was a compiled class. */
1206 JV_STATE_PREPARED = 7, /* Layout & static init done. */
1207 JV_STATE_LINKED = 9, /* Strings interned. */
1209 JV_STATE_IN_PROGRESS = 10, /* <Clinit> running. */
1212 JV_STATE_ERROR = 14 /* must be last. */
1215 #undef DEBUG_JAVA_BINDING_LEVELS