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, report the now deprecated empty statements. */
146 extern int flag_extraneous_semicolon;
148 /* When non zero, we emit xref strings. Values of the flag for xref
149 backends are defined in xref.h. */
151 extern int flag_emit_xref;
153 /* When doing xrefs, tell when not to fold. */
154 extern int do_not_fold;
156 /* Turned to 1 if -Wall was encountered. See lang.c for their meanings. */
157 extern int flag_wall;
158 extern int flag_redundant;
159 extern int flag_not_overriding;
160 extern int flag_static_local_jdk1_1;
162 /* When non zero, call a library routine to do integer divisions. */
163 extern int flag_use_divide_subroutine;
165 /* When non zero, generate code for the Boehm GC. */
166 extern int flag_use_boehm_gc;
168 /* When non zero, assume the runtime uses a hash table to map an
169 object to its synchronization structure. */
170 extern int flag_hash_synchronization;
172 /* Encoding used for source files. */
173 extern char *current_encoding;
175 /* The Java .class file that provides main_class; the main input file. */
176 extern struct JCF *current_jcf;
178 typedef struct CPool constant_pool;
180 #define CONSTANT_ResolvedFlag 16
182 /* The cpool->data[i] for a ResolvedString points to a STRING_CST. */
183 #define CONSTANT_ResolvedString (CONSTANT_String+CONSTANT_ResolvedFlag)
185 /* The cpool->data[i] for a ResolvedClass points to a RECORD_TYPE. */
186 #define CONSTANT_ResolvedClass (CONSTANT_Class+CONSTANT_ResolvedFlag)
188 #define CPOOL_UTF(CPOOL, INDEX) ((tree) (CPOOL)->data[INDEX])
190 /* A NameAndType constant is represented as a TREE_LIST.
191 The type is the signature string (as an IDENTIFIER_NODE). */
193 #define NAME_AND_TYPE_NAME(CPOOL, IDX) \
194 CPOOL_UTF(CPOOL, CPOOL_USHORT1(CPOOL, IDX))
195 #define NAME_AND_TYPE_SIGNATURE(CPOOL, IDX) \
196 CPOOL_UTF(CPOOL, CPOOL_USHORT2(CPOOL, IDX))
198 /* A FieldRef, MethodRef or InterfaceMethodRef constant
199 is represented as a TREE_LIST. */
201 #define COMPONENT_REF_CLASS_INDEX(CPOOL, IDX) CPOOL_USHORT1(CPOOL, IDX)
202 #define COMPONENT_REF_NAME_AND_TYPE(CPOOL, IDX) CPOOL_USHORT2(CPOOL, IDX)
203 #define COMPONENT_REF_NAME(CPOOL, IDX) \
204 NAME_AND_TYPE_NAME (CPOOL, COMPONENT_REF_NAME_AND_TYPE(CPOOL, IDX))
205 #define COMPONENT_REF_SIGNATURE(CPOOL, IDX) \
206 NAME_AND_TYPE_SIGNATURE (CPOOL, COMPONENT_REF_NAME_AND_TYPE(CPOOL, IDX))
208 /* "Promoted types" that are used for primitive types smaller
209 than int. We could use int_type_node, but then we would lose
210 type information (such as needed for debugging). */
211 extern tree promoted_byte_type_node;
212 extern tree promoted_short_type_node;
213 extern tree promoted_char_type_node;
214 extern tree promoted_boolean_type_node;
216 extern tree byte_type_node;
217 extern tree short_type_node;
218 extern tree int_type_node;
219 extern tree long_type_node;
221 extern tree unsigned_byte_type_node;
222 extern tree unsigned_short_type_node;
223 extern tree unsigned_int_type_node;
224 extern tree unsigned_long_type_node;
226 extern tree boolean_type_node;
228 extern tree object_type_node;
229 extern tree unqualified_object_id_node;
230 extern tree object_ptr_type_node;
231 extern tree string_type_node;
232 extern tree string_ptr_type_node;
233 extern tree throwable_type_node;
234 extern tree runtime_exception_type_node;
235 extern tree error_exception_type_node;
236 extern tree rawdata_ptr_type_node;
238 extern tree *predef_filenames;
239 extern int predef_filenames_size;
241 extern tree byte_array_type_node;
242 extern tree short_array_type_node;
243 extern tree int_array_type_node;
244 extern tree long_array_type_node;
245 extern tree boolean_array_type_node;
246 extern tree char_array_type_node;
247 extern tree double_array_type_node;
248 extern tree float_array_type_node;
249 extern tree array_array_type_node;
250 extern tree object_array_type_node;
251 extern tree string_array_type_node;
252 extern tree boolean_array_vtable;
253 extern tree byte_array_vtable;
254 extern tree char_array_vtable;
255 extern tree short_array_vtable;
256 extern tree int_array_vtable;
257 extern tree long_array_vtable;
258 extern tree float_array_vtable;
259 extern tree double_array_vtable;
260 extern tree TYPE_identifier_node; /* "TYPE" */
261 extern tree init_identifier_node; /* "<init>" */
262 extern tree clinit_identifier_node; /* "<clinit>" */
263 extern tree finit_identifier_node; /* "finit$" */
264 extern tree finit_leg_identifier_node; /* "$finit$" */
265 extern tree void_signature_node; /* "()V" */
266 extern tree length_identifier_node; /* "length" */
267 extern tree this_identifier_node; /* "this" */
268 extern tree super_identifier_node; /* "super" */
269 extern tree continue_identifier_node; /* "continue" */
270 extern tree access0_identifier_node; /* "access$0" */
271 extern tree one_elt_array_domain_type;
272 /* The type of the return address of a subroutine. */
273 extern tree return_address_type_node;
275 /* Nodes for boolean constants TRUE and FALSE. */
276 extern tree boolean_true_node, boolean_false_node;
278 /* Integer constants not declared in tree.h. */
279 extern tree long_zero_node;
280 extern tree float_zero_node;
281 extern tree double_zero_node;
282 extern tree integer_negative_one_node;
283 extern tree integer_two_node;
284 extern tree integer_four_node;
285 extern tree empty_stmt_node;
287 /* The type for struct methodtable. */
288 extern tree methodtable_type;
289 extern tree methodtable_ptr_type;
291 extern tree utf8const_type;
292 extern tree utf8const_ptr_type;
294 extern tree class_type_node;
295 extern tree class_ptr_type;
296 extern tree field_type_node;
297 extern tree constants_type_node;
298 extern tree dtable_type, dtable_ptr_type;
299 extern tree field_ptr_type_node;
300 extern tree field_info_union_node;
301 extern tree method_type_node;
302 extern tree method_ptr_type_node;
303 #define nativecode_ptr_type_node ptr_type_node
305 extern tree end_params_node;
307 /* References to internal libjava functions we use. */
308 extern tree alloc_object_node;
309 extern tree soft_instanceof_node;
310 extern tree soft_checkcast_node;
311 extern tree soft_initclass_node;
312 extern tree soft_newarray_node;
313 extern tree soft_anewarray_node;
314 extern tree soft_multianewarray_node;
315 extern tree soft_badarrayindex_node;
316 extern tree soft_nullpointer_node;
317 extern tree throw_node[];
318 extern tree soft_checkarraystore_node;
319 extern tree soft_monitorenter_node;
320 extern tree soft_monitorexit_node;
321 extern tree soft_lookupinterfacemethod_node;
322 extern tree soft_lookupjnimethod_node;
323 extern tree soft_getjnienvnewframe_node;
324 extern tree soft_jnipopsystemframe_node;
325 extern tree soft_fmod_node;
326 extern tree soft_exceptioninfo_call_node;
327 extern tree soft_idiv_node;
328 extern tree soft_irem_node;
329 extern tree soft_ldiv_node;
330 extern tree soft_lrem_node;
332 extern tree access_flags_type_node;
334 extern tree class_dtable_decl;
336 /* They need to be reset before processing each class */
337 extern struct CPool *outgoing_cpool;
338 extern tree current_constant_pool_data_ref;
340 extern tree wfl_operator;
342 extern char *cyclic_inheritance_report;
344 extern char *cyclic_inheritance_report;
346 struct lang_identifier
348 struct tree_identifier ignore;
349 tree global_value, local_value;
351 /* If non-NULL: An ADDR_REF to a VAR_DECL that contains
352 * the Utf8Const representation of the identifier. */
356 /* Macros for access to language-specific slots in an identifier. */
357 /* UNless specifide, each of these slots contains a DECL node or null. */
359 /* This represents the value which the identifier has in the
360 file-scope namespace. */
361 #define IDENTIFIER_GLOBAL_VALUE(NODE) \
362 (((struct lang_identifier *)(NODE))->global_value)
363 /* This represents the value which the identifier has in the current
365 #define IDENTIFIER_LOCAL_VALUE(NODE) \
366 (((struct lang_identifier *)(NODE))->local_value)
368 /* Given an identifier NODE, get the corresponding (non-handle) class.
369 For get_identifier ("java.lang.Number"), the result is
370 the struct whose DECL_ASSEMBLER_NAME is "Classjava_lang_Number". */
371 #define IDENTIFIER_CLASS_VALUE(NODE) IDENTIFIER_GLOBAL_VALUE(NODE)
373 /* Given an identifier NODE, get the corresponding handle class.
374 For get_identifier ("java.lang.Number"), the result is
375 the struct whose DECL_ASSEMBLER_NAME is "Hjava_lang_Number". */
376 #define IDENTIFIER_HANDLECLASS_VALUE(NODE) ???
378 /* Given a signature of a reference (or array) type, or a method, return the
379 corresponding type (if one has been allocated).
380 Do not use for primitive types, since they may be ambiguous.
381 (E.g. is "I" a signature or a class name?) */
382 #define IDENTIFIER_SIGNATURE_TYPE(NODE) IDENTIFIER_GLOBAL_VALUE(NODE)
384 /* If non-NULL: An ADDR_REF to a VAR_DECL that contains
385 the Utf8Const representation of the identifier. */
386 #define IDENTIFIER_UTF8_REF(NODE) \
387 (((struct lang_identifier *)(NODE))->utf8_ref)
389 #define IDENTIFIER_UTF8_DECL(NODE) \
390 TREE_OPERAND((((struct lang_identifier *)(NODE))->utf8_ref), 0)
392 /* For a FUNCTION_DECL, if we are compiling a .class file, then this is
393 the position in the .class file of the method code.
394 Specifically, this is the code itself, not the code attribute. */
395 #define DECL_CODE_OFFSET(DECL) (DECL_LANG_SPECIFIC(DECL)->code_offset)
396 /* Similarly, the length of the bytecode. */
397 #define DECL_CODE_LENGTH(DECL) (DECL_LANG_SPECIFIC(DECL)->code_length)
398 /* Similarly, the position of the LineNumberTable attribute. */
399 #define DECL_LINENUMBERS_OFFSET(DECL) \
400 (DECL_LANG_SPECIFIC(DECL)->linenumbers_offset)
401 /* Similarly, the position of the LocalVariableTable attribute
402 (following the standard attribute header). */
403 #define DECL_LOCALVARIABLES_OFFSET(DECL) \
404 (DECL_LANG_SPECIFIC(DECL)->localvariables_offset)
406 #define DECL_MAX_LOCALS(DECL) (DECL_LANG_SPECIFIC(DECL)->max_locals)
407 #define DECL_MAX_STACK(DECL) (DECL_LANG_SPECIFIC(DECL)->max_stack)
408 /* Number of local variable slots needed for the arguments of this function. */
409 #define DECL_ARG_SLOT_COUNT(DECL) (DECL_LANG_SPECIFIC(DECL)->arg_slot_count)
410 /* List of checked thrown exceptions, as specified with the `throws'
412 #define DECL_FUNCTION_THROWS(DECL) (DECL_LANG_SPECIFIC(DECL)->throws_list)
413 /* List of other constructors of the same class that this constructor
415 #define DECL_CONSTRUCTOR_CALLS(DECL) \
416 (DECL_LANG_SPECIFIC(DECL)->called_constructor)
417 /* When the function is an access function, the DECL it was trying to
419 #define DECL_FUNCTION_ACCESS_DECL(DECL) \
420 (DECL_LANG_SPECIFIC(DECL)->called_constructor)
421 /* The identifier of the access method used to invoke this method from
423 #define DECL_FUNCTION_INNER_ACCESS(DECL) \
424 (DECL_LANG_SPECIFIC(DECL)->inner_access)
425 /* Pointer to the function's current's COMPOUND_EXPR tree (while
426 completing its body) or the function's block */
427 #define DECL_FUNCTION_BODY(DECL) (DECL_LANG_SPECIFIC(DECL)->function_decl_body)
428 /* How specific the function is (for method selection - Java source
430 #define DECL_SPECIFIC_COUNT(DECL) DECL_ARG_SLOT_COUNT(DECL)
431 /* For each function decl, init_test_table contains a hash table whose
432 entries are keyed on class names, and whose values are local
433 boolean decls. The variables are intended to be TRUE when the
434 class has been initialized in this function, and FALSE otherwise. */
435 #define DECL_FUNCTION_INIT_TEST_TABLE(DECL) \
436 (DECL_LANG_SPECIFIC(DECL)->init_test_table)
437 /* The Number of Artificial Parameters (NAP) DECL contains. this$<n>
438 is excluded, because sometimes created as a parameter before the
439 function decl exists. */
440 #define DECL_FUNCTION_NAP(DECL) (DECL_LANG_SPECIFIC(DECL)->nap)
442 /* For a FIELD_DECL, holds the name of the access method used to
443 read/write the content of the field from an inner class.
444 The cast is ugly. FIXME */
445 #define FIELD_INNER_ACCESS(DECL) ((tree)DECL_LANG_SPECIFIC (DECL))
447 /* True when DECL aliases an outer context local variable. */
448 #define FIELD_LOCAL_ALIAS(DECL) DECL_LANG_FLAG_6 (DECL)
450 /* True when DECL, which aliases an outer context local variable is
451 used by the inner classe */
452 #define FIELD_LOCAL_ALIAS_USED(DECL) DECL_LANG_FLAG_7 (DECL)
454 /* True when DECL is a this$<n> field. Note that
455 FIELD_LOCAL_ALIAS_USED can be differenciated when tested against
456 FIELD_LOCAL_ALIAS. */
457 #define FIELD_THISN(DECL) DECL_LANG_FLAG_7 (DECL)
459 /* In a LABEL_DECL, a TREE_VEC that saves the type_map at that point. */
460 #define LABEL_TYPE_STATE(NODE) (DECL_INITIAL (NODE))
462 /* In the label of a subroutine, a dummy label that records the
463 state following a merge of all the ret instructions in this subroutine. */
464 #define LABEL_RETURN_LABEL(DECL) DECL_ARGUMENTS(DECL)
466 /* In the label of a sub-routine, records the type state at return.
467 * A local may be TYPE_UNUSED, which means that the local is not
468 * used (stored to or loaded from) in this subroutine - at least for
469 * code that we have verified so far. */
470 #define LABEL_RETURN_TYPE_STATE(NODE) LABEL_TYPE_STATE (LABEL_RETURN_LABEL (NODE))
472 /* In a TREE_VEC for a LABEL_RETURN_TYPE_STATE, notes that
473 TREE_VEC_LENGTH has been adjust to the correct stack size. */
474 #define RETURN_MAP_ADJUSTED(NODE) TREE_LANG_FLAG_2(NODE)
476 /* In the label of a sub-routine, a chain of the return location labels. */
477 #define LABEL_RETURN_LABELS(node) \
478 (LABEL_DECL_CHECK (LABEL_RETURN_LABEL(node))->decl.result)
480 /* In a LABEL_DECL, the next pending label.
481 See pending_blocks in expr.c. */
482 #define LABEL_PENDING_CHAIN(NODE) (LABEL_DECL_CHECK (NODE)->decl.result)
484 /* In a LABEL_DECL, the corresponding bytecode program counter. */
485 #define LABEL_PC(NODE) ((NODE)->decl.u2.i)
487 /* Used during verification to mark the label has "changed". (See JVM Spec). */
488 #define LABEL_CHANGED(NODE) DECL_LANG_FLAG_6(NODE)
490 /* In a LABEL_DECL, true if we have verified instructions starting here. */
491 #define LABEL_VERIFIED(NODE) (instruction_bits[LABEL_PC(NODE)]&BCODE_VERIFIED)
493 /* True if this code is within a subroutine (target of a jsr). */
494 #define LABEL_IN_SUBR(NODE) DECL_LANG_FLAG_4(NODE)
495 /* True if this code is the start of a subroutine (target of a jsr). */
496 #define LABEL_IS_SUBR_START(NODE) DECL_LANG_FLAG_5(NODE)
498 /* In a LABEL_DECL, if LABEL_IN_SUBR(NODE), points to start of subroutine. */
499 #define LABEL_SUBR_START(NODE) DECL_ABSTRACT_ORIGIN(NODE)
501 /* In a LABEL_DECL that has LABEL_IS_SUBR_START, this points to the start
502 of surrounding subroutine in the case of a nested subroutine,
503 and NULL_TREE otherwise. */
504 #define LABEL_SUBR_CONTEXT(NODE) DECL_CONTEXT (LABEL_RETURN_LABEL (NODE))
506 /* The slot number for this local variable. */
507 #define DECL_LOCAL_SLOT_NUMBER(NODE) \
508 (((struct lang_decl_var*)DECL_LANG_SPECIFIC(NODE))->slot_number)
509 /* The start (bytecode) pc for the valid range of this local variable. */
510 #define DECL_LOCAL_START_PC(NODE) \
511 (((struct lang_decl_var*)DECL_LANG_SPECIFIC(NODE))->start_pc)
512 /* The end (bytecode) pc for the valid range of this local variable. */
513 #define DECL_LOCAL_END_PC(NODE) \
514 (((struct lang_decl_var*)DECL_LANG_SPECIFIC(NODE))->end_pc)
515 /* For a VAR_DECLor PARM_DECL, used to chain decls with the same
516 slot_number in decl_map. */
517 #define DECL_LOCAL_SLOT_CHAIN(NODE) \
518 (((struct lang_decl_var*)DECL_LANG_SPECIFIC(NODE))->slot_chain)
520 /* For a local VAR_DECL, holds the index into a words bitstring that
521 specifies if this decl is definitively assigned.
522 A DECL_BIT_INDEX of -1 means we no longer care. */
523 #define DECL_BIT_INDEX(DECL) (DECL_CHECK (DECL)->decl.u2.i)
525 /* DECL_LANG_SPECIFIC for FUNCTION_DECLs. */
528 /* tree chain; not yet used. */
531 long linenumbers_offset;
532 long localvariables_offset;
534 int max_locals, max_stack, arg_slot_count;
535 tree throws_list; /* Exception specified by `throws' */
536 tree function_decl_body; /* Hold all function's statements */
537 tree called_constructor; /* When decl is a constructor, the
538 list of other constructor it calls. */
539 struct hash_table init_test_table;
540 /* Class initialization test variables. */
541 tree inner_access; /* The identifier of the access method
542 used for invocation from inner classes */
543 int nap; /* Number of artificial parameters */
545 int native : 1; /* Nonzero if this is a native
549 /* init_test_table hash table entry structure. */
550 struct init_test_hash_entry
552 struct hash_entry root;
556 /* DECL_LANG_SPECIFIC for VAR_DECL and PARM_DECL. */
565 /* Macro to access fields in `struct lang_type'. */
567 #define TYPE_SIGNATURE(T) (TYPE_LANG_SPECIFIC(T)->signature)
568 #define TYPE_JCF(T) (TYPE_LANG_SPECIFIC(T)->jcf)
569 #define TYPE_CPOOL(T) (TYPE_LANG_SPECIFIC(T)->cpool)
570 #define TYPE_CPOOL_DATA_REF(T) (TYPE_LANG_SPECIFIC(T)->cpool_data_ref)
571 #define MAYBE_CREATE_TYPE_TYPE_LANG_SPECIFIC(T) \
572 if (TYPE_LANG_SPECIFIC ((T)) == NULL) \
574 TYPE_LANG_SPECIFIC ((T)) = \
575 (struct lang_type *) xmalloc (sizeof (struct lang_type)); \
577 bzero ((char *) TYPE_LANG_SPECIFIC ((T)), \
578 sizeof (struct lang_type)); \
581 #define TYPE_FINIT_STMT_LIST(T) (TYPE_LANG_SPECIFIC(T)->finit_stmt_list)
582 #define TYPE_CLINIT_STMT_LIST(T) (TYPE_LANG_SPECIFIC(T)->clinit_stmt_list)
583 #define TYPE_II_STMT_LIST(T) (TYPE_LANG_SPECIFIC(T)->ii_block)
584 /* The decl of the synthetic method `class$' used to handle `.class'
585 for non primitive types when compiling to bytecode. */
586 #define TYPE_DOT_CLASS(T) (TYPE_LANG_SPECIFIC(T)->dot_class)
587 #define TYPE_PRIVATE_INNER_CLASS(T) (TYPE_LANG_SPECIFIC(T)->pic)
588 #define TYPE_PROTECTED_INNER_CLASS(T) (TYPE_LANG_SPECIFIC(T)->poic)
595 tree cpool_data_ref; /* Cached */
596 tree finit_stmt_list; /* List of statements $finit$ will use */
597 tree clinit_stmt_list; /* List of statements <clinit> will use */
598 tree ii_block; /* Instance initializer block */
599 tree dot_class; /* The decl of the `class$' function that
600 needs to be invoked and generated when
601 compiling to bytecode to implement
602 <non_primitive_type>.class */
603 unsigned pic:1; /* Private Inner Class. */
604 unsigned poic:1; /* Protected Inner Class. */
607 #ifdef JAVA_USE_HANDLES
608 /* TYPE_BINFO_HANDLE points from a handle-class to its corresponding
609 non-handle-class, and vice verse. */
611 #define BINFO_HANDLE(NODE) TREE_VEC_ELT ((NODE), 6)
613 /* Given a RECORD_TYPE for a handle type, return the corresponding class. */
614 #define HANDLE_TO_CLASS_TYPE(HTYPE) BINFO_HANDLE (TYPE_BINFO (HTYPE))
616 /* Given a RECORD_TYPE for a class, return the corresponding handle type. */
617 #define CLASS_TO_HANDLE_TYPE(TYPE) BINFO_HANDLE (TYPE_BINFO (TYPE))
619 #define HANDLE_TO_CLASS_TYPE(HTYPE) (HTYPE)
620 #define CLASS_TO_HANDLE_TYPE(TYPE) (TYPE)
623 #define JCF_u4 unsigned long
624 #define JCF_u2 unsigned short
626 extern void add_assume_compiled PARAMS ((const char *, int));
627 extern tree lookup_class PARAMS ((tree));
628 extern tree lookup_java_constructor PARAMS ((tree, tree));
629 extern tree lookup_java_method PARAMS ((tree, tree, tree));
630 extern tree lookup_argument_method PARAMS ((tree, tree, tree));
631 extern tree lookup_argument_method2 PARAMS ((tree, tree, tree));
632 extern tree promote_type PARAMS ((tree));
633 extern tree get_constant PARAMS ((struct JCF*, int));
634 extern tree get_name_constant PARAMS ((struct JCF*, int));
635 extern tree get_class_constant PARAMS ((struct JCF*, int));
636 extern tree parse_signature PARAMS ((struct JCF *jcf, int sig_index));
637 extern void jcf_parse PARAMS ((struct JCF*));
638 extern tree add_field PARAMS ((tree, tree, tree, int));
639 extern tree add_method PARAMS ((tree, int, tree, tree));
640 extern tree add_method_1 PARAMS ((tree, int, tree, tree));
641 extern tree make_class PARAMS ((void));
642 extern tree push_class PARAMS ((tree, tree));
643 extern tree unmangle_classname PARAMS ((const char *name, int name_length));
644 extern tree parse_signature_string PARAMS ((const unsigned char *, int));
645 extern tree get_type_from_signature PARAMS ((tree));
646 extern void layout_class PARAMS ((tree));
647 extern tree layout_class_method PARAMS ((tree, tree, tree, tree));
648 extern void layout_class_methods PARAMS ((tree));
649 extern tree build_class_ref PARAMS ((tree));
650 extern tree build_dtable_decl PARAMS ((tree));
651 extern tree build_internal_class_name PARAMS ((tree));
652 extern tree build_constants_constructor PARAMS ((void));
653 extern tree build_ref_from_constant_pool PARAMS ((int));
654 extern tree build_utf8_ref PARAMS ((tree));
655 extern tree ident_subst PARAMS ((const char*, int,
656 const char*, int, int, const char*));
657 extern tree identifier_subst PARAMS ((const tree,
658 const char *, int, int, const char *));
659 extern tree build_java_signature PARAMS ((tree));
660 extern tree build_java_argument_signature PARAMS ((tree));
661 extern void set_java_signature PARAMS ((tree, tree));
662 extern tree build_static_field_ref PARAMS ((tree));
663 extern tree build_address_of PARAMS ((tree));
664 extern tree find_local_variable PARAMS ((int index, tree type, int pc));
665 extern tree find_stack_slot PARAMS ((int index, tree type));
666 extern tree build_prim_array_type PARAMS ((tree, HOST_WIDE_INT));
667 extern tree build_java_array_type PARAMS ((tree, HOST_WIDE_INT));
668 extern int is_compiled_class PARAMS ((tree));
669 extern tree mangled_classname PARAMS ((const char*, tree));
670 extern tree lookup_label PARAMS ((int));
671 extern tree pop_type_0 PARAMS ((tree));
672 extern tree pop_type PARAMS ((tree));
673 extern void pop_argument_types PARAMS ((tree));
674 extern tree decode_newarray_type PARAMS ((int));
675 extern tree lookup_field PARAMS ((tree*, tree));
676 extern int is_array_type_p PARAMS ((tree));
677 extern HOST_WIDE_INT java_array_type_length PARAMS ((tree));
678 extern int read_class PARAMS ((tree));
679 extern void load_class PARAMS ((tree, int));
681 extern tree lookup_name PARAMS ((tree));
682 extern tree build_known_method_ref PARAMS ((tree, tree, tree, tree, tree));
683 extern tree build_class_init PARAMS ((tree, tree));
684 extern tree build_invokevirtual PARAMS ((tree, tree));
685 extern tree build_invokeinterface PARAMS ((tree, tree));
686 extern tree build_jni_stub PARAMS ((tree));
687 extern tree invoke_build_dtable PARAMS ((int, tree));
688 extern tree build_field_ref PARAMS ((tree, tree, tree));
689 extern void pushdecl_force_head PARAMS ((tree));
690 extern tree build_java_binop PARAMS ((enum tree_code, tree, tree, tree));
691 extern tree build_java_soft_divmod PARAMS ((enum tree_code, tree, tree, tree));
692 extern tree binary_numeric_promotion PARAMS ((tree, tree, tree *, tree *));
693 extern tree build_java_arrayaccess PARAMS ((tree, tree, tree));
694 extern tree build_newarray PARAMS ((int, tree));
695 extern tree build_anewarray PARAMS ((tree, tree));
696 extern tree build_new_array PARAMS ((tree, tree));
697 extern tree build_java_array_length_access PARAMS ((tree));
698 extern tree build_java_arraynull_check PARAMS ((tree, tree, tree));
699 extern tree build_get_class PARAMS ((tree));
700 extern tree build_instanceof PARAMS ((tree, tree));
701 extern tree create_label_decl PARAMS ((tree));
702 extern void push_labeled_block PARAMS ((tree));
703 extern tree prepare_eh_table_type PARAMS ((tree));
704 extern void java_set_exception_lang_code PARAMS ((void));
705 extern tree generate_name PARAMS ((void));
706 extern void pop_labeled_block PARAMS ((void));
707 extern const char *lang_printable_name PARAMS ((tree, int));
708 extern tree maybe_add_interface PARAMS ((tree, tree));
709 extern void set_super_info PARAMS ((int, tree, tree, int));
710 extern int get_access_flags_from_decl PARAMS ((tree));
711 extern int interface_of_p PARAMS ((tree, tree));
712 extern int inherits_from_p PARAMS ((tree, tree));
713 extern int common_enclosing_context_p PARAMS ((tree, tree));
714 extern int enclosing_context_p PARAMS ((tree, tree));
715 extern void complete_start_java_method PARAMS ((tree));
716 extern tree build_result_decl PARAMS ((tree));
717 extern void emit_handlers PARAMS ((void));
718 extern void init_outgoing_cpool PARAMS ((void));
719 extern void make_class_data PARAMS ((tree));
720 extern void register_class PARAMS ((void));
721 extern int alloc_name_constant PARAMS ((int, tree));
722 extern void emit_register_classes PARAMS ((void));
723 extern void lang_init_source PARAMS ((int));
724 extern void write_classfile PARAMS ((tree));
725 extern char *print_int_node PARAMS ((tree));
726 extern void parse_error_context PARAMS ((tree cl, const char *, ...))
728 extern tree build_primtype_type_ref PARAMS ((const char *));
729 extern tree java_get_real_method_name PARAMS ((tree));
730 extern void finish_class PARAMS ((void));
731 extern void java_layout_seen_class_methods PARAMS ((void));
732 extern void check_for_initialization PARAMS ((tree));
734 extern tree pushdecl_top_level PARAMS ((tree));
735 extern int alloc_class_constant PARAMS ((tree));
736 extern int unicode_mangling_length PARAMS ((const char *, int));
737 extern void init_expr_processing PARAMS ((void));
738 extern void push_super_field PARAMS ((tree, tree));
739 extern void init_class_processing PARAMS ((void));
740 extern int can_widen_reference_to PARAMS ((tree, tree));
741 extern int class_depth PARAMS ((tree));
742 extern int verify_jvm_instructions PARAMS ((struct JCF *, const unsigned char *, long));
743 extern void maybe_pushlevels PARAMS ((int));
744 extern void maybe_poplevels PARAMS ((int));
745 extern void force_poplevels PARAMS ((int));
746 extern int process_jvm_instruction PARAMS ((int, const unsigned char *, long));
747 extern void set_local_type PARAMS ((int, tree));
748 extern int merge_type_state PARAMS ((tree));
749 extern void push_type PARAMS ((tree));
750 extern void load_type_state PARAMS ((tree));
751 extern void add_interface PARAMS ((tree, tree));
752 extern void append_gpp_mangled_name PARAMS ((struct obstack *, const char *, int));
753 extern void append_gpp_mangled_classtype PARAMS ((struct obstack *, const char *));
754 extern void emit_unicode_mangled_name PARAMS ((struct obstack *, const char *, int));
755 extern tree force_evaluation_order PARAMS ((tree));
756 extern int verify_constant_pool PARAMS ((struct JCF *));
757 extern void start_java_method PARAMS ((tree));
758 extern void end_java_method PARAMS ((void));
759 extern void give_name_to_locals PARAMS ((struct JCF *));
760 extern void expand_byte_code PARAMS ((struct JCF *, tree));
761 extern int open_in_zip PARAMS ((struct JCF *, const char *, const char *, int));
762 extern void set_constant_value PARAMS ((tree, tree));
764 extern int find_constant1 PARAMS ((struct CPool *, int, jword));
765 extern int find_constant2 PARAMS ((struct CPool *, int, jword, jword));
767 extern int find_utf8_constant PARAMS ((struct CPool *, tree));
768 extern int find_string_constant PARAMS ((struct CPool *, tree));
769 extern int find_class_constant PARAMS ((struct CPool *, tree));
770 extern int find_fieldref_index PARAMS ((struct CPool *, tree));
771 extern int find_methodref_index PARAMS ((struct CPool *, tree));
772 extern void write_constant_pool PARAMS ((struct CPool *, unsigned char *, int));
773 extern int count_constant_pool_bytes PARAMS ((struct CPool *));
774 extern int encode_newarray_type PARAMS ((tree));
776 extern void format_int PARAMS ((char *, jlong, int));
777 extern void format_uint PARAMS ((char *, uint64, int));
779 extern void jcf_trim_old_input PARAMS ((struct JCF *));
781 extern void jcf_print_utf8 PARAMS ((FILE *, const unsigned char *, int));
782 extern void jcf_print_char PARAMS ((FILE *, int));
783 extern void jcf_print_utf8_replace PARAMS ((FILE *, const unsigned char *,
786 extern const char* open_class PARAMS ((const char *, struct JCF *,
787 FILE *, const char *));
789 extern const char* open_class PARAMS ((const char *, struct JCF *,
791 # endif /* JCF_USE_STDIO */
793 extern void java_debug_context PARAMS ((void));
794 extern void safe_layout_class PARAMS ((tree));
796 extern tree get_boehm_type_descriptor PARAMS ((tree));
797 extern unsigned long java_hash_hash_tree_node PARAMS ((hash_table_key));
798 extern boolean java_hash_compare_tree_node PARAMS ((hash_table_key,
800 extern void java_check_methods PARAMS ((tree));
802 /* We use ARGS_SIZE_RTX to indicate that gcc/expr.h has been included
803 to declare `enum expand_modifier'. */
804 #if defined (TREE_CODE) && defined(RTX_CODE) && defined (HAVE_MACHINE_MODES) && defined (ARGS_SIZE_RTX)
805 struct rtx_def * java_lang_expand_expr PARAMS ((tree, rtx, enum machine_mode,
806 enum expand_modifier));
807 #endif /* TREE_CODE && RTX_CODE && HAVE_MACHINE_MODES && ARGS_SIZE_RTX */
809 /* Access flags etc for a method (a FUNCTION_DECL): */
811 #define METHOD_PUBLIC(DECL) DECL_LANG_FLAG_1 (DECL)
812 #define METHOD_PRIVATE(DECL) TREE_PRIVATE (DECL)
813 #define METHOD_PROTECTED(DECL) TREE_PROTECTED (DECL)
814 #define METHOD_STATIC(DECL) DECL_LANG_FLAG_2 (DECL)
815 #define METHOD_FINAL(DECL) DECL_LANG_FLAG_3 (DECL)
816 #define METHOD_SYNCHRONIZED(DECL) DECL_LANG_FLAG_4 (DECL)
817 #define METHOD_NATIVE(DECL) (DECL_LANG_SPECIFIC(DECL)->native)
818 #define METHOD_ABSTRACT(DECL) DECL_LANG_FLAG_5 (DECL)
819 #define METHOD_TRANSIENT(DECL) DECL_LANG_FLAG_6 (DECL)
821 /* Other predicates on method decls */
823 #define DECL_CONSTRUCTOR_P(DECL) DECL_LANG_FLAG_7(DECL)
825 #define DECL_INIT_P(DECL) (ID_INIT_P (DECL_NAME (DECL)))
826 #define DECL_FINIT_P(DECL) (ID_FINIT_P (DECL_NAME (DECL)))
827 #define DECL_CLINIT_P(DECL) (ID_CLINIT_P (DECL_NAME (DECL)))
829 /* Predicates on method identifiers. Kept close to other macros using
831 #define ID_INIT_P(ID) ((ID) == init_identifier_node)
832 /* Match ID to either `$finit$' or `finit$', so that `$finit$'
833 continues to be recognized as an equivalent to `finit$' which is
834 now the prefered name used for the field initialization special
836 #define ID_FINIT_P(ID) ((ID) == finit_identifier_node \
837 || (ID) == finit_leg_identifier_node)
838 #define ID_CLINIT_P(ID) ((ID) == clinit_identifier_node)
840 /* Access flags etc for a variable/field (a FIELD_DECL): */
842 #define FIELD_PRIVATE(DECL) TREE_PRIVATE (DECL)
843 #define FIELD_PROTECTED(DECL) TREE_PROTECTED (DECL)
844 #define FIELD_PUBLIC(DECL) DECL_LANG_FLAG_1 (DECL)
845 #define FIELD_STATIC(DECL) TREE_STATIC (DECL)
846 #define FIELD_FINAL(DECL) DECL_LANG_FLAG_3 (DECL)
847 #define FIELD_VOLATILE(DECL) DECL_LANG_FLAG_4 (DECL)
848 #define FIELD_TRANSIENT(DECL) DECL_LANG_FLAG_5 (DECL)
849 #define LOCAL_FINAL(DECL) FIELD_FINAL(DECL)
851 /* Access flags etc for a class (a TYPE_DECL): */
853 #define CLASS_PUBLIC(DECL) DECL_LANG_FLAG_1 (DECL)
854 #define CLASS_FINAL(DECL) DECL_LANG_FLAG_3 (DECL)
855 #define CLASS_INTERFACE(DECL) DECL_LANG_FLAG_4 (DECL)
856 #define CLASS_ABSTRACT(DECL) DECL_LANG_FLAG_5 (DECL)
857 #define CLASS_SUPER(DECL) DECL_LANG_FLAG_6 (DECL)
858 #define CLASS_STATIC(DECL) DECL_LANG_FLAG_7 (DECL)
859 #define CLASS_PRIVATE(DECL) (TYPE_PRIVATE_INNER_CLASS (TREE_TYPE (DECL)))
860 #define CLASS_PROTECTED(DECL) (TYPE_PROTECTED_INNER_CLASS (TREE_TYPE (DECL)))
862 /* @deprecated marker flag on methods, fields and classes */
864 #define METHOD_DEPRECATED(DECL) DECL_LANG_FLAG_0 (DECL)
865 #define FIELD_DEPRECATED(DECL) DECL_LANG_FLAG_0 (DECL)
866 #define CLASS_DEPRECATED(DECL) DECL_LANG_FLAG_0 (DECL)
867 #define DECL_DEPRECATED(DECL) DECL_LANG_FLAG_0 (DECL)
869 /* The number of virtual methods in this class's dispatch table.
870 Does not include initial two dummy entries (one points to the
871 Class object, and the other is for G++ -fvtable-thunks compatibility). */
872 #define TYPE_NVIRTUALS(TYPE) TYPE_BINFO_VIRTUALS (TYPE)
874 /* A TREE_VEC (indexed by DECL_VINDEX) containing this class's
876 #define TYPE_VTABLE(TYPE) TYPE_BINFO_VTABLE(TYPE)
878 /* Use CLASS_LOADED_P? FIXME */
879 #define CLASS_COMPLETE_P(DECL) DECL_LANG_FLAG_2 (DECL)
881 /* This maps a bytecode offset (PC) to various flags,
882 listed below (starting with BCODE_). */
883 extern char *instruction_bits;
885 /* True iff the byte is the start of an instruction. */
886 #define BCODE_INSTRUCTION_START 1
888 /* True iff there is a jump to this location. */
889 #define BCODE_JUMP_TARGET 2
891 /* True iff there is a return to this location.
892 (I.e. the preceedng instruction was a call.) */
893 #define BCODE_RETURN_TARGET 4
895 /* True iff this is the start of an exception handler. */
896 #define BCODE_EXCEPTION_TARGET 16
898 /* True iff there is a jump to this location (and it needs a label). */
899 #define BCODE_TARGET \
900 (BCODE_JUMP_TARGET|BCODE_RETURN_TARGET \
901 | BCODE_EXCEPTION_TARGET)
903 /* True iff there is an entry in the linenumber table for this location. */
904 #define BCODE_HAS_LINENUMBER 32
906 /* True iff there is more than one entry in the linenumber table for
907 this location. (This probably does not make much sense.) */
908 #define BCODE_HAS_MULTI_LINENUMBERS 64
910 /* True if this instruction has been verified. */
911 #define BCODE_VERIFIED 8
913 /* A pointer to the line number table of the current method. */
914 extern const unsigned char *linenumber_table;
915 /* The length (in items) of the line number table. */
916 extern int linenumber_count;
918 /* In type_map, means that slot is uninitialized or otherwise unusable. */
919 #define TYPE_UNKNOWN NULL_TREE
921 /* In type_map, means the second half of a 64-bit double or long. */
922 #define TYPE_SECOND void_type_node
924 /* In type_map, means the null type (i.e. type of a null reference). */
925 #define TYPE_NULL ptr_type_node
927 /* In a type map means the type the address subroutine return address. */
928 #define TYPE_RETURN_ADDR return_address_type_node
930 /* In a subroutine's return type map, indicates that the slot was neither
931 used nor set in the subroutine. */
932 #define TYPE_UNUSED error_mark_node
934 /* A array mapping variable/stack slot index to the type current
935 in that variable/stack slot.
936 TYPE_UNKNOWN, TYPE_SECOND, and TYPE_NULL are special cases. */
937 extern tree *type_map;
939 /* Map a stack index to the type currently in that slot. */
940 #define stack_type_map (type_map+DECL_MAX_LOCALS(current_function_decl))
942 /* True iff TYPE takes two variable/stack slots. */
943 #define TYPE_IS_WIDE(TYPE) \
944 ((TYPE) == double_type_node || (TYPE) == long_type_node)
946 /* True iif CLASS has it's access$0 method generated. */
947 #define CLASS_ACCESS0_GENERATED_P(CLASS) TYPE_LANG_FLAG_0 (CLASS)
949 /* True iff TYPE is a Java array type. */
950 #define TYPE_ARRAY_P(TYPE) TYPE_LANG_FLAG_1 (TYPE)
952 /* If FUNCTION_TYPE or METHOD_TYPE: cache for build_java_argument_signature. */
953 #define TYPE_ARGUMENT_SIGNATURE(TYPE) TYPE_VFIELD(TYPE)
955 /* Given an array type, give the type of the elements. */
956 /* FIXME this use of TREE_TYPE conflicts with something or other. */
957 #define TYPE_ARRAY_ELEMENT(ATYPE) TREE_TYPE(ATYPE)
959 /* True if class TYPE has been loaded. */
960 #define CLASS_LOADED_P(TYPE) TYPE_LANG_FLAG_2 (TYPE)
962 /* True if class TYPE was defined in Java source code. */
963 #define CLASS_FROM_SOURCE_P(TYPE) TYPE_LANG_FLAG_3 (TYPE)
965 /* True of a RECORD_TYPE of a class/interface type (not array type) */
966 #define CLASS_P(TYPE) TYPE_LANG_FLAG_4 (TYPE)
968 /* True if class TYPE was defined in a Java source file compiled. */
969 #define CLASS_FROM_CURRENTLY_COMPILED_SOURCE_P(TYPE) \
970 TYPE_LANG_FLAG_5 (TYPE)
972 /* True if class TYPE is currently being laid out. Helps in detection
973 of inheritance cycle occuring as a side effect of performing the
974 layout of a class. */
975 #define CLASS_BEING_LAIDOUT(TYPE) TYPE_LANG_FLAG_6 (TYPE)
977 /* True if class TYPE is currently being laid out. Helps in detection
978 of inheritance cycle occuring as a side effect of performing the
979 layout of a class. */
980 #define CLASS_BEING_LAIDOUT(TYPE) TYPE_LANG_FLAG_6 (TYPE)
982 /* True if class TYPE has a field initializer $finit$ function */
983 #define CLASS_HAS_FINIT_P(TYPE) TYPE_FINIT_STMT_LIST (TYPE)
985 /* True if identifier ID was seen while processing a single type import stmt */
986 #define IS_A_SINGLE_IMPORT_CLASSFILE_NAME_P(ID) TREE_LANG_FLAG_0 (ID)
988 /* True if identifier ID was seen while processing an import statement */
989 #define IS_A_CLASSFILE_NAME(ID) TREE_LANG_FLAG_1 (ID)
991 /* True if ID is a qualified named (contains . or /) */
992 #define QUALIFIED_P(ID) TREE_LANG_FLAG_2 (ID)
994 /* True if ID is an already processed import on demand */
995 #define IS_AN_IMPORT_ON_DEMAND_P(ID) TREE_LANG_FLAG_3 (ID)
997 /* True if ID is a command-line specified filename */
998 #define IS_A_COMMAND_LINE_FILENAME_P(ID) TREE_LANG_FLAG_4 (ID)
1000 /* True if filename ID has already been parsed */
1001 #define HAS_BEEN_ALREADY_PARSED_P(ID) TREE_LANG_FLAG_5 (ID)
1003 /* True if EXPR is RHS sub-tree of a compound assign expression */
1004 #define COMPOUND_ASSIGN_P(EXPR) TREE_LANG_FLAG_1 (EXPR)
1006 /* True if a SWITCH_EXPR has a DEFAULT_EXPR. */
1007 #define SWITCH_HAS_DEFAULT(NODE) TREE_LANG_FLAG_3 (NODE)
1009 /* True if EXPR (a WFL in that case) was created after the
1010 reduction of PRIMARY . XXX */
1011 #define PRIMARY_P(EXPR) TREE_LANG_FLAG_2 (EXPR)
1013 /* True if EXPR (a MODIFY_EXPR in that case) is the result of variable
1014 initialization during its declaration */
1015 #define MODIFY_EXPR_FROM_INITIALIZATION_P(EXPR) TREE_LANG_FLAG_2 (EXPR)
1017 /* True if EXPR (a TREE_TYPE denoting a class type) has its methods
1018 already checked (for redifitions, etc, see java_check_regular_methods.) */
1019 #define CLASS_METHOD_CHECKED_P(EXPR) TREE_LANG_FLAG_2 (EXPR)
1021 /* True if EXPR (a WFL in that case) resolves into an expression name */
1022 #define RESOLVE_EXPRESSION_NAME_P(WFL) TREE_LANG_FLAG_0 (WFL)
1024 /* True if EXPR (a LOOP_EXPR in that case) is part of a for statement */
1025 #define FOR_LOOP_P(EXPR) TREE_LANG_FLAG_0 (EXPR)
1027 /* True if NODE (a RECORD_TYPE in that case) is an anonymous class. */
1028 #define ANONYMOUS_CLASS_P(NODE) TREE_LANG_FLAG_0 (NODE)
1030 /* True if NODE (a RECORD_TYPE in that case) is a block local class. */
1031 #define LOCAL_CLASS_P(NODE) TREE_LANG_FLAG_1 (NODE)
1033 /* True if NODE (a TREE_LIST) hold a pair of argument name/type
1034 declared with the final modifier */
1035 #define ARG_FINAL_P(NODE) TREE_LANG_FLAG_0 (NODE)
1037 /* True if EXPR (a WFL in that case) resolves into a package name */
1038 #define RESOLVE_PACKAGE_NAME_P(WFL) TREE_LANG_FLAG_3 (WFL)
1040 /* True if EXPR (a WFL in that case) resolves into a type name */
1041 #define RESOLVE_TYPE_NAME_P(WFL) TREE_LANG_FLAG_4 (WFL)
1043 /* True if STMT (a WFL in that case) holds a BREAK statement */
1044 #define IS_BREAK_STMT_P(WFL) TREE_LANG_FLAG_5 (WFL)
1046 /* True if EXPR (a CALL_EXPR in that case) is a crafted StringBuffer */
1047 #define IS_CRAFTED_STRING_BUFFER_P(EXPR) TREE_LANG_FLAG_5 (EXPR)
1049 /* True if EXPR (a SAVE_EXPR in that case) had its content already
1050 checked for (un)initialized local variables. */
1051 #define IS_INIT_CHECKED(EXPR) TREE_LANG_FLAG_5 (EXPR)
1053 /* If set in CALL_EXPR, the receiver is 'super'. */
1054 #define CALL_USING_SUPER(EXPR) TREE_LANG_FLAG_4 (EXPR)
1056 /* True if NODE (a statement) can complete normally. */
1057 #define CAN_COMPLETE_NORMALLY(NODE) TREE_LANG_FLAG_6(NODE)
1059 /* True if NODE (an IDENTIFIER) bears the name of a outer field from
1060 inner class access function. */
1061 #define OUTER_FIELD_ACCESS_IDENTIFIER_P(NODE) TREE_LANG_FLAG_6(NODE)
1063 /* Non null if NODE belongs to an inner class TYPE_DECL node.
1064 Verifies that NODE as the attributes of a decl. */
1065 #define INNER_CLASS_DECL_P(NODE) (TYPE_NAME (TREE_TYPE (NODE)) == NODE \
1066 && DECL_CONTEXT (NODE))
1068 /* Non null if NODE is an top level class TYPE_DECL node: NODE isn't
1069 an inner class or NODE is a static class. */
1070 #define TOPLEVEL_CLASS_DECL_P(NODE) (!INNER_CLASS_DECL_P (NODE) \
1071 || CLASS_STATIC (NODE))
1073 /* True if the class decl NODE was declared in a inner scope and is
1074 not a toplevel class */
1075 #define PURE_INNER_CLASS_DECL_P(NODE) \
1076 (INNER_CLASS_DECL_P (NODE) && !CLASS_STATIC (NODE))
1078 /* Non null if NODE belongs to an inner class RECORD_TYPE node. Checks
1079 that TYPE_NAME bears a decl. An array type wouldn't. */
1080 #define INNER_CLASS_TYPE_P(NODE) (TREE_CODE (TYPE_NAME (NODE)) == TYPE_DECL \
1081 && DECL_CONTEXT (TYPE_NAME (NODE)))
1083 #define TOPLEVEL_CLASS_TYPE_P(NODE) (!INNER_CLASS_TYPE_P (NODE) \
1084 || CLASS_STATIC (TYPE_NAME (NODE)))
1086 /* True if the class type NODE was declared in a inner scope and is
1087 not a toplevel class */
1088 #define PURE_INNER_CLASS_TYPE_P(NODE) \
1089 (INNER_CLASS_TYPE_P (NODE) && !CLASS_STATIC (TYPE_NAME (NODE)))
1091 /* Non null if NODE (a TYPE_DECL or a RECORD_TYPE) is an inner class. */
1092 #define INNER_CLASS_P(NODE) (TREE_CODE (NODE) == TYPE_DECL ? \
1093 INNER_CLASS_DECL_P (NODE) : \
1094 (TREE_CODE (NODE) == RECORD_TYPE ? \
1095 INNER_CLASS_TYPE_P (NODE) : \
1096 (fatal ("INNER_CLASS_P: Wrong node type"), 0)))
1098 /* On a TYPE_DECL, hold the list of inner classes defined within the
1099 scope of TYPE_DECL. */
1100 #define DECL_INNER_CLASS_LIST(NODE) DECL_INITIAL (NODE)
1102 /* Add a FIELD_DECL to RECORD_TYPE RTYPE.
1103 The field has name NAME (a char*), and type FTYPE.
1104 Unless this is the first field, FIELD most hold the previous field.
1105 FIELD is set to the newly created FIELD_DECL.
1107 We set DECL_ARTIFICIAL so these fields get skipped by make_class_data
1108 if compiling java.lang.Object or java.lang.Class. */
1110 #define PUSH_FIELD(RTYPE, FIELD, NAME, FTYPE) \
1111 { tree tmp_field = build_decl (FIELD_DECL, get_identifier(NAME), FTYPE); \
1112 if (TYPE_FIELDS (RTYPE) == NULL_TREE) TYPE_FIELDS (RTYPE) = tmp_field; \
1113 else TREE_CHAIN(FIELD) = tmp_field; \
1114 DECL_CONTEXT (tmp_field) = RTYPE; \
1115 DECL_ARTIFICIAL (tmp_field) = 1; \
1116 FIELD = tmp_field; }
1118 #define FINISH_RECORD(RTYPE) layout_type (RTYPE)
1120 /* Start building a RECORD_TYPE constructor with a given TYPE in CONS. */
1121 #define START_RECORD_CONSTRUCTOR(CONS, CTYPE) { \
1122 CONS = build (CONSTRUCTOR, CTYPE, NULL_TREE, NULL_TREE);\
1123 TREE_CHAIN(CONS) = TYPE_FIELDS (CTYPE); }
1125 /* Append a field initializer to CONS for the dummy field for the inherited
1126 fields. The dummy field has the given VALUE, and the same type as the
1127 super-class. Must be specified before calls to PUSH_FIELD_VALUE. */
1129 #define PUSH_SUPER_VALUE(CONS, VALUE) {\
1130 tree field = TREE_CHAIN(CONS);\
1131 if (DECL_NAME (field) != NULL_TREE) abort();\
1132 CONSTRUCTOR_ELTS(CONS) = tree_cons (field, VALUE, CONSTRUCTOR_ELTS(CONS));\
1133 TREE_CHAIN(CONS) = TREE_CHAIN (field); }
1135 /* Append a field initializer to CONS for a field with the given VALUE.
1136 NAME is a char* string used for error checking;
1137 the initializer must be specified in order. */
1138 #define PUSH_FIELD_VALUE(CONS, NAME, VALUE) {\
1139 tree field = TREE_CHAIN(CONS);\
1140 if (strcmp (IDENTIFIER_POINTER (DECL_NAME (field)), NAME) != 0) abort();\
1141 CONSTRUCTOR_ELTS(CONS) = tree_cons (field, VALUE, CONSTRUCTOR_ELTS(CONS));\
1142 TREE_CHAIN(CONS) = TREE_CHAIN (field); }
1144 /* Finish creating a record CONSTRUCTOR CONS. */
1145 #define FINISH_RECORD_CONSTRUCTOR(CONS) \
1146 CONSTRUCTOR_ELTS(CONS) = nreverse (CONSTRUCTOR_ELTS(CONS))
1148 /* Macros on constructors invocations. */
1149 #define CALL_CONSTRUCTOR_P(NODE) \
1150 (TREE_CODE (NODE) == NEW_CLASS_EXPR || CALL_EXPLICIT_CONSTRUCTOR_P (NODE))
1152 #define CALL_EXPLICIT_CONSTRUCTOR_P(NODE) \
1153 (CALL_THIS_CONSTRUCTOR_P (NODE) || CALL_SUPER_CONSTRUCTOR_P (NODE))
1155 #define CALL_THIS_CONSTRUCTOR_P(NODE) \
1156 (TREE_CODE (NODE) == CALL_EXPR \
1157 && EXPR_WFL_NODE (TREE_OPERAND (NODE, 0)) == this_identifier_node)
1159 #define CALL_SUPER_CONSTRUCTOR_P(NODE) \
1160 (TREE_CODE (NODE) == CALL_EXPR \
1161 && EXPR_WFL_NODE (TREE_OPERAND (NODE, 0)) == super_identifier_node)
1163 /* Using a FINALLY_EXPR node */
1164 #define FINALLY_EXPR_LABEL(NODE) TREE_OPERAND ((NODE), 0)
1165 #define FINALLY_EXPR_BLOCK(NODE) TREE_OPERAND ((NODE), 1)
1167 #define BLOCK_EXPR_DECLS(NODE) BLOCK_VARS(NODE)
1168 #define BLOCK_EXPR_BODY(NODE) BLOCK_SUBBLOCKS(NODE)
1170 #define BUILD_MONITOR_ENTER(WHERE, ARG) \
1172 (WHERE) = build (CALL_EXPR, int_type_node, \
1173 build_address_of (soft_monitorenter_node), \
1174 build_tree_list (NULL_TREE, (ARG)), \
1176 TREE_SIDE_EFFECTS (WHERE) = 1; \
1179 #define BUILD_MONITOR_EXIT(WHERE, ARG) \
1181 (WHERE) = build (CALL_EXPR, int_type_node, \
1182 build_address_of (soft_monitorexit_node), \
1183 build_tree_list (NULL_TREE, (ARG)), \
1185 TREE_SIDE_EFFECTS (WHERE) = 1; \
1188 /* Non zero if TYPE is an unchecked exception */
1189 #define IS_UNCHECKED_EXCEPTION_P(TYPE) \
1190 (inherits_from_p ((TYPE), runtime_exception_type_node) \
1191 || inherits_from_p ((TYPE), error_exception_type_node))
1193 extern int java_error_count; \
1195 /* Make the current function where this macro is invoked report error
1196 messages and and return, if any */
1197 #define java_parse_abort_on_error() \
1199 if (java_error_count > save_error_count) \
1203 /* These are the possible values for the `state' field of the class
1204 structure. This must be kept in sync with libgcj. */
1207 JV_STATE_NOTHING = 0, /* Set by compiler. */
1209 JV_STATE_PRELOADING = 1, /* Can do _Jv_FindClass. */
1210 JV_STATE_LOADING = 3, /* Has super installed. */
1211 JV_STATE_LOADED = 5, /* Is complete. */
1213 JV_STATE_COMPILED = 6, /* This was a compiled class. */
1215 JV_STATE_PREPARED = 7, /* Layout & static init done. */
1216 JV_STATE_LINKED = 9, /* Strings interned. */
1218 JV_STATE_IN_PROGRESS = 10, /* <Clinit> running. */
1221 JV_STATE_ERROR = 14 /* must be last. */
1224 #undef DEBUG_JAVA_BINDING_LEVELS