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 3: IS_AN_IMPORT_ON_DEMAND_P (in IDENTIFIER_NODE)
56 RESOLVE_PACKAGE_NAME_P (in EXPR_WITH_FILE_LOCATION)
57 SWITCH_HAS_DEFAULT (in SWITCH_EXPR)
58 4: IS_A_COMMAND_LINE_FILENAME_P (in IDENTIFIER_NODE)
59 RESOLVE_TYPE_NAME_P (in EXPR_WITH_FILE_LOCATION)
60 CALL_USING_SUPER (in CALL_EXPR)
61 5: HAS_BEEN_ALREADY_PARSED_P (in IDENTIFIER_NODE)
62 IS_BREAK_STMT_P (in EXPR_WITH_FILE_LOCATION)
63 IS_CRAFTED_STRING_BUFFER_P (in CALL_EXPR)
64 IS_INIT_CHECKED (in SAVE_EXPR)
65 6: CAN_COMPLETE_NORMALLY (in statement nodes)
66 OUTER_FIELD_ACCESS_IDENTIFIER_P (in IDENTIFIER_NODE)
68 Usage of TYPE_LANG_FLAG_?:
69 0: CLASS_ACCESS0_GENERATED_P (in RECORD_TYPE)
70 1: TYPE_ARRAY_P (in RECORD_TYPE).
71 2: CLASS_LOADED_P (in RECORD_TYPE).
72 3: CLASS_FROM_SOURCE_P (in RECORD_TYPE).
73 4: CLASS_P (in RECORD_TYPE).
74 5: CLASS_FROM_CURRENTLY_COMPILED_SOURCE_P (in RECORD_TYPE)
75 6: CLASS_BEING_LAIDOUT (in RECORD_TYPE)
77 Usage of DECL_LANG_FLAG_?:
78 0: METHOD_DEPRECATED (in FUNCTION_DECL).
79 FIELD_DEPRECATED (in FIELD_DECL).
80 CLASS_DEPRECATED (in TYPE_DECL).
81 1: METHOD_PUBLIC (in FUNCTION_DECL).
82 FIELD_PUBLIC (in FIELD_DECL).
83 CLASS_PUBLIC (in TYPE_DECL).
84 2: METHOD_STATIC (in FUNCTION_DECL).
85 (But note that FIELD_STATIC uses TREE_STATIC!)
86 CLASS_COMPLETE_P (in TYPE_DECL)
87 3: METHOD_FINAL (in FUNCTION_DECL)
88 FIELD_FINAL (in FIELD_DECL)
89 CLASS_FINAL (in TYPE_DECL)
90 LOCAL_FINAL (in VAR_DECL)
91 4: METHOD_SYNCHRONIZED (in FUNCTION_DECL).
92 LABEL_IN_SUBR (in LABEL_DECL)
93 CLASS_INTERFACE (in TYPE_DECL)
94 FIELD_VOLATILE (int FIELD_DECL)
95 5: METHOD_ABSTRACT (in FUNCTION_DECL).
96 LABEL_IS_SUBR_START (in LABEL_DECL)
97 CLASS_ABSTRACT (in TYPE_DECL)
98 FIELD_TRANSIENT (in FIELD_DECL)
99 6: METHOD_TRANSIENT (in FUNCTION_DECL)
100 LABEL_CHANGED (in LABEL_DECL)
101 CLASS_SUPER (in TYPE_DECL, ACC_SUPER flag)
102 FIELD_LOCAL_ALIAS (in FIELD_DECL)
103 7: DECL_CONSTRUCTOR_P (in FUNCTION_DECL).
104 CLASS_STATIC (in TYPE_DECL)
105 FIELD_LOCAL_ALIAS_USED (in FIELD_DECL)
106 FIELD_THISN (in FIELD_DECL)
109 /* True if the class whose TYPE_BINFO this is has a superclass.
110 (True of all classes except Object.) */
111 #define CLASS_HAS_SUPER_FLAG(BINFO) TREE_LANG_FLAG_1(BINFO)
112 #define CLASS_HAS_SUPER(TYPE) CLASS_HAS_SUPER_FLAG (TYPE_BINFO (TYPE))
114 /* Return the supertype of class TYPE, or NULL_TREE is it has none. */
115 #define CLASSTYPE_SUPER(TYPE) (CLASS_HAS_SUPER (TYPE) ? \
116 BINFO_TYPE (TREE_VEC_ELT (TYPE_BINFO_BASETYPES (TYPE), 0)) : NULL_TREE)
118 /* True if the class we are compiling is a .java source file;
119 false if it is a .class bytecode file. */
120 extern int compiling_from_source;
122 /* The class defined by the actual (main) file we are compiling. */
123 extern tree main_class;
125 /* The class we are currently processing. */
126 extern tree current_class;
128 /* List of all class DECLs seen so far. */
129 extern tree all_class_list;
131 /* Nonzero if we should make is_compiled_class always return 1 for
132 appropriate classes that we're referencing. */
134 extern int flag_assume_compiled;
136 extern int flag_emit_class_files;
138 /* When non zero, we emit xref strings. Values of the flag for xref
139 backends are defined in xref.h. */
141 extern int flag_emit_xref;
143 /* When doing xrefs, tell when not to fold. */
144 extern int do_not_fold;
146 /* Turned to 1 if -Wall was encountered. See lang.c for their meanings. */
147 extern int flag_wall;
148 extern int flag_redundant;
149 extern int flag_not_overriding;
150 extern int flag_static_local_jdk1_1;
152 /* When non zero, call a library routine to do integer divisions. */
153 extern int flag_use_divide_subroutine;
155 /* When non zero, generate code for the Boehm GC. */
156 extern int flag_use_boehm_gc;
158 /* When non zero, assume the runtime uses a hash table to map an
159 object to its synchronization structure. */
160 extern int flag_hash_synchronization;
162 /* The Java .class file that provides main_class; the main input file. */
163 extern struct JCF *current_jcf;
165 typedef struct CPool constant_pool;
167 #define CONSTANT_ResolvedFlag 16
169 /* The cpool->data[i] for a ResolvedString points to a STRING_CST. */
170 #define CONSTANT_ResolvedString (CONSTANT_String+CONSTANT_ResolvedFlag)
172 /* The cpool->data[i] for a ResolvedClass points to a RECORD_TYPE. */
173 #define CONSTANT_ResolvedClass (CONSTANT_Class+CONSTANT_ResolvedFlag)
175 #define CPOOL_UTF(CPOOL, INDEX) ((tree) (CPOOL)->data[INDEX])
177 /* A NameAndType constant is represented as a TREE_LIST.
178 The type is the signature string (as an IDENTIFIER_NODE). */
180 #define NAME_AND_TYPE_NAME(CPOOL, IDX) \
181 CPOOL_UTF(CPOOL, CPOOL_USHORT1(CPOOL, IDX))
182 #define NAME_AND_TYPE_SIGNATURE(CPOOL, IDX) \
183 CPOOL_UTF(CPOOL, CPOOL_USHORT2(CPOOL, IDX))
185 /* A FieldRef, MethodRef or InterfaceMethodRef constant
186 is represented as a TREE_LIST. */
188 #define COMPONENT_REF_CLASS_INDEX(CPOOL, IDX) CPOOL_USHORT1(CPOOL, IDX)
189 #define COMPONENT_REF_NAME_AND_TYPE(CPOOL, IDX) CPOOL_USHORT2(CPOOL, IDX)
190 #define COMPONENT_REF_NAME(CPOOL, IDX) \
191 NAME_AND_TYPE_NAME (CPOOL, COMPONENT_REF_NAME_AND_TYPE(CPOOL, IDX))
192 #define COMPONENT_REF_SIGNATURE(CPOOL, IDX) \
193 NAME_AND_TYPE_SIGNATURE (CPOOL, COMPONENT_REF_NAME_AND_TYPE(CPOOL, IDX))
195 /* "Promoted types" that are used for primitive types smaller
196 than int. We could use int_type_node, but then we would lose
197 type information (such as needed for debugging). */
198 extern tree promoted_byte_type_node;
199 extern tree promoted_short_type_node;
200 extern tree promoted_char_type_node;
201 extern tree promoted_boolean_type_node;
203 extern tree byte_type_node;
204 extern tree short_type_node;
205 extern tree int_type_node;
206 extern tree long_type_node;
208 extern tree unsigned_byte_type_node;
209 extern tree unsigned_short_type_node;
210 extern tree unsigned_int_type_node;
211 extern tree unsigned_long_type_node;
213 extern tree boolean_type_node;
215 extern tree object_type_node;
216 extern tree unqualified_object_id_node;
217 extern tree object_ptr_type_node;
218 extern tree string_type_node;
219 extern tree string_ptr_type_node;
220 extern tree throwable_type_node;
221 extern tree runtime_exception_type_node;
222 extern tree error_exception_type_node;
224 extern tree *predef_filenames;
225 extern int predef_filenames_size;
227 extern tree byte_array_type_node;
228 extern tree short_array_type_node;
229 extern tree int_array_type_node;
230 extern tree long_array_type_node;
231 extern tree boolean_array_type_node;
232 extern tree char_array_type_node;
233 extern tree double_array_type_node;
234 extern tree float_array_type_node;
235 extern tree array_array_type_node;
236 extern tree object_array_type_node;
237 extern tree string_array_type_node;
238 extern tree TYPE_identifier_node; /* "TYPE" */
239 extern tree init_identifier_node; /* "<init>" */
240 extern tree clinit_identifier_node; /* "<clinit>" */
241 extern tree finit_identifier_node; /* "$finit$" */
242 extern tree void_signature_node; /* "()V" */
243 extern tree length_identifier_node; /* "length" */
244 extern tree this_identifier_node; /* "this" */
245 extern tree super_identifier_node; /* "super" */
246 extern tree continue_identifier_node; /* "continue" */
247 extern tree access0_identifier_node; /* "access$0" */
248 extern tree one_elt_array_domain_type;
249 /* The type of the return address of a subroutine. */
250 extern tree return_address_type_node;
252 /* Nodes for boolean constants TRUE and FALSE. */
253 extern tree boolean_true_node, boolean_false_node;
255 /* Integer constants not declared in tree.h. */
256 extern tree long_zero_node;
257 extern tree float_zero_node;
258 extern tree double_zero_node;
259 extern tree integer_negative_one_node;
260 extern tree integer_two_node;
261 extern tree integer_four_node;
262 extern tree empty_stmt_node;
264 /* The type for struct methodtable. */
265 extern tree methodtable_type;
266 extern tree methodtable_ptr_type;
268 extern tree utf8const_type;
269 extern tree utf8const_ptr_type;
271 extern tree class_type_node;
272 extern tree class_ptr_type;
273 extern tree field_type_node;
274 extern tree constants_type_node;
275 extern tree dtable_type, dtable_ptr_type;
276 extern tree field_ptr_type_node;
277 extern tree field_info_union_node;
278 extern tree method_type_node;
279 extern tree method_ptr_type_node;
280 #define nativecode_ptr_type_node ptr_type_node
282 extern tree end_params_node;
284 /* References to internal libjava functions we use. */
285 extern tree alloc_object_node;
286 extern tree soft_instanceof_node;
287 extern tree soft_checkcast_node;
288 extern tree soft_initclass_node;
289 extern tree soft_newarray_node;
290 extern tree soft_anewarray_node;
291 extern tree soft_multianewarray_node;
292 extern tree soft_badarrayindex_node;
293 extern tree soft_nullpointer_node;
294 extern tree throw_node[];
295 extern tree soft_checkarraystore_node;
296 extern tree soft_monitorenter_node;
297 extern tree soft_monitorexit_node;
298 extern tree soft_lookupinterfacemethod_node;
299 extern tree soft_fmod_node;
300 extern tree soft_exceptioninfo_call_node;
301 extern tree soft_idiv_node;
302 extern tree soft_irem_node;
303 extern tree soft_ldiv_node;
304 extern tree soft_lrem_node;
306 extern tree access_flags_type_node;
308 extern tree class_dtable_decl;
310 /* They need to be reset before processing each class */
311 extern struct CPool *outgoing_cpool;
312 extern tree current_constant_pool_data_ref;
314 extern tree wfl_operator;
316 extern char *cyclic_inheritance_report;
318 extern char *cyclic_inheritance_report;
320 struct lang_identifier
322 struct tree_identifier ignore;
323 tree global_value, local_value;
325 /* If non-NULL: An ADDR_REF to a VAR_DECL that contains
326 * the Utf8Const representation of the identifier. */
330 /* Macros for access to language-specific slots in an identifier. */
331 /* UNless specifide, each of these slots contains a DECL node or null. */
333 /* This represents the value which the identifier has in the
334 file-scope namespace. */
335 #define IDENTIFIER_GLOBAL_VALUE(NODE) \
336 (((struct lang_identifier *)(NODE))->global_value)
337 /* This represents the value which the identifier has in the current
339 #define IDENTIFIER_LOCAL_VALUE(NODE) \
340 (((struct lang_identifier *)(NODE))->local_value)
342 /* Given an identifier NODE, get the corresponding (non-handle) class.
343 For get_identifier ("java.lang.Number"), the result is
344 the struct whose DECL_ASSEMBLER_NAME is "Classjava_lang_Number". */
345 #define IDENTIFIER_CLASS_VALUE(NODE) IDENTIFIER_GLOBAL_VALUE(NODE)
347 /* Given an identifier NODE, get the corresponding handle class.
348 For get_identifier ("java.lang.Number"), the result is
349 the struct whose DECL_ASSEMBLER_NAME is "Hjava_lang_Number". */
350 #define IDENTIFIER_HANDLECLASS_VALUE(NODE) ???
352 /* Given a signature of a reference (or array) type, or a method, return the
353 corresponding type (if one has been allocated).
354 Do not use for primitive types, since they may be ambiguous.
355 (E.g. is "I" a signature or a class name?) */
356 #define IDENTIFIER_SIGNATURE_TYPE(NODE) IDENTIFIER_GLOBAL_VALUE(NODE)
358 /* If non-NULL: An ADDR_REF to a VAR_DECL that contains
359 the Utf8Const representation of the identifier. */
360 #define IDENTIFIER_UTF8_REF(NODE) \
361 (((struct lang_identifier *)(NODE))->utf8_ref)
363 #define IDENTIFIER_UTF8_DECL(NODE) \
364 TREE_OPERAND((((struct lang_identifier *)(NODE))->utf8_ref), 0)
366 /* For a FUNCTION_DECL, if we are compiling a .class file, then this is
367 the position in the .class file of the method code.
368 Specifically, this is the code itself, not the code attribute. */
369 #define DECL_CODE_OFFSET(DECL) (DECL_LANG_SPECIFIC(DECL)->code_offset)
370 /* Similarly, the length of the bytecode. */
371 #define DECL_CODE_LENGTH(DECL) (DECL_LANG_SPECIFIC(DECL)->code_length)
372 /* Similarly, the position of the LineNumberTable attribute. */
373 #define DECL_LINENUMBERS_OFFSET(DECL) \
374 (DECL_LANG_SPECIFIC(DECL)->linenumbers_offset)
375 /* Similarly, the position of the LocalVariableTable attribute
376 (following the standard attribute header). */
377 #define DECL_LOCALVARIABLES_OFFSET(DECL) \
378 (DECL_LANG_SPECIFIC(DECL)->localvariables_offset)
380 #define DECL_MAX_LOCALS(DECL) (DECL_LANG_SPECIFIC(DECL)->max_locals)
381 #define DECL_MAX_STACK(DECL) (DECL_LANG_SPECIFIC(DECL)->max_stack)
382 /* Number of local variable slots needed for the arguments of this function. */
383 #define DECL_ARG_SLOT_COUNT(DECL) (DECL_LANG_SPECIFIC(DECL)->arg_slot_count)
384 /* List of checked thrown exceptions, as specified with the `throws'
386 #define DECL_FUNCTION_THROWS(DECL) (DECL_LANG_SPECIFIC(DECL)->throws_list)
387 /* List of other constructors of the same class that this constructor
389 #define DECL_CONSTRUCTOR_CALLS(DECL) \
390 (DECL_LANG_SPECIFIC(DECL)->called_constructor)
391 /* When the function is an access function, the DECL it was trying to
393 #define DECL_FUNCTION_ACCESS_DECL(DECL) \
394 (DECL_LANG_SPECIFIC(DECL)->called_constructor)
395 /* The identifier of the access method used to invoke this method from
397 #define DECL_FUNCTION_INNER_ACCESS(DECL) \
398 (DECL_LANG_SPECIFIC(DECL)->inner_access)
399 /* Pointer to the function's current's COMPOUND_EXPR tree (while
400 completing its body) or the function's block */
401 #define DECL_FUNCTION_BODY(DECL) (DECL_LANG_SPECIFIC(DECL)->function_decl_body)
402 /* How specific the function is (for method selection - Java source
404 #define DECL_SPECIFIC_COUNT(DECL) DECL_ARG_SLOT_COUNT(DECL)
405 /* For each function decl, init_test_table contains a hash table whose
406 entries are keyed on class names, and whose values are local
407 boolean decls. The variables are intended to be TRUE when the
408 class has been initialized in this function, and FALSE otherwise. */
409 #define DECL_FUNCTION_INIT_TEST_TABLE(DECL) \
410 (DECL_LANG_SPECIFIC(DECL)->init_test_table)
411 /* The Number of Artificial Parameters (NAP) DECL contains. this$<n>
412 is excluded, because sometimes created as a parameter before the
413 function decl exists. */
414 #define DECL_FUNCTION_NAP(DECL) (DECL_LANG_SPECIFIC(DECL)->nap)
416 /* For a FIELD_DECL, holds the name of the access method used to
417 read/write the content of the field from an inner class.
418 The cast is ugly. FIXME */
419 #define FIELD_INNER_ACCESS(DECL) ((tree)DECL_LANG_SPECIFIC (DECL))
421 /* True when DECL aliases an outer context local variable. */
422 #define FIELD_LOCAL_ALIAS(DECL) DECL_LANG_FLAG_6 (DECL)
424 /* True when DECL, which aliases an outer context local variable is
425 used by the inner classe */
426 #define FIELD_LOCAL_ALIAS_USED(DECL) DECL_LANG_FLAG_7 (DECL)
428 /* True when DECL is a this$<n> field. Note that
429 FIELD_LOCAL_ALIAS_USED can be differenciated when tested against
430 FIELD_LOCAL_ALIAS. */
431 #define FIELD_THISN(DECL) DECL_LANG_FLAG_7 (DECL)
433 /* In a LABEL_DECL, a TREE_VEC that saves the type_map at that point. */
434 #define LABEL_TYPE_STATE(NODE) (DECL_INITIAL (NODE))
436 /* In the label of a subroutine, a dummy label that records the
437 state following a merge of all the ret instructions in this subroutine. */
438 #define LABEL_RETURN_LABEL(DECL) DECL_ARGUMENTS(DECL)
440 /* In the label of a sub-routine, records the type state at return.
441 * A local may be TYPE_UNUSED, which means that the local is not
442 * used (stored to or loaded from) in this subroutine - at least for
443 * code that we have verified so far. */
444 #define LABEL_RETURN_TYPE_STATE(NODE) LABEL_TYPE_STATE (LABEL_RETURN_LABEL (NODE))
446 /* In a TREE_VEC for a LABEL_RETURN_TYPE_STATE, notes that
447 TREE_VEC_LENGTH has been adjust to the correct stack size. */
448 #define RETURN_MAP_ADJUSTED(NODE) TREE_LANG_FLAG_2(NODE)
450 /* In the label of a sub-routine, a chain of the return location labels. */
451 #define LABEL_RETURN_LABELS(node) DECL_RESULT (LABEL_RETURN_LABEL(node))
453 /* In a LABEL_DECL, the next pending label.
454 See pending_blocks in expr.c. */
455 #define LABEL_PENDING_CHAIN(NODE) DECL_RESULT(NODE)
457 /* In a LABEL_DECL, the corresponding bytecode program counter. */
458 #define LABEL_PC(NODE) ((NODE)->decl.u2.i)
460 /* Used during verification to mark the label has "changed". (See JVM Spec). */
461 #define LABEL_CHANGED(NODE) DECL_LANG_FLAG_6(NODE)
463 /* In a LABEL_DECL, true if we have verified instructions starting here. */
464 #define LABEL_VERIFIED(NODE) (instruction_bits[LABEL_PC(NODE)]&BCODE_VERIFIED)
466 /* True if this code is within a subroutine (target of a jsr). */
467 #define LABEL_IN_SUBR(NODE) DECL_LANG_FLAG_4(NODE)
468 /* True if this code is the start of a subroutine (target of a jsr). */
469 #define LABEL_IS_SUBR_START(NODE) DECL_LANG_FLAG_5(NODE)
471 /* In a LABEL_DECL, if LABEL_IN_SUBR(NODE), points to start of subroutine. */
472 #define LABEL_SUBR_START(NODE) DECL_ABSTRACT_ORIGIN(NODE)
474 /* In a LABEL_DECL that has LABEL_IS_SUBR_START, this points to the start
475 of surrounding subroutine in the case of a nested subroutine,
476 and NULL_TREE otherwise. */
477 #define LABEL_SUBR_CONTEXT(NODE) DECL_CONTEXT (LABEL_RETURN_LABEL (NODE))
479 /* The slot number for this local variable. */
480 #define DECL_LOCAL_SLOT_NUMBER(NODE) \
481 (((struct lang_decl_var*)DECL_LANG_SPECIFIC(NODE))->slot_number)
482 /* The start (bytecode) pc for the valid range of this local variable. */
483 #define DECL_LOCAL_START_PC(NODE) \
484 (((struct lang_decl_var*)DECL_LANG_SPECIFIC(NODE))->start_pc)
485 /* The end (bytecode) pc for the valid range of this local variable. */
486 #define DECL_LOCAL_END_PC(NODE) \
487 (((struct lang_decl_var*)DECL_LANG_SPECIFIC(NODE))->end_pc)
488 /* For a VAR_DECLor PARM_DECL, used to chain decls with the same
489 slot_number in decl_map. */
490 #define DECL_LOCAL_SLOT_CHAIN(NODE) \
491 (((struct lang_decl_var*)DECL_LANG_SPECIFIC(NODE))->slot_chain)
493 /* For a local VAR_DECL, holds the index into a words bitstring that
494 specifies if this decl is definitively assigned.
495 A DECL_BIT_INDEX of -1 means we no longer care. */
496 #define DECL_BIT_INDEX(DECL) (DECL_CHECK (DECL)->decl.u2.i)
498 /* DECL_LANG_SPECIFIC for FUNCTION_DECLs. */
501 /* tree chain; not yet used. */
504 long linenumbers_offset;
505 long localvariables_offset;
507 int max_locals, max_stack, arg_slot_count;
508 tree throws_list; /* Exception specified by `throws' */
509 tree function_decl_body; /* Hold all function's statements */
510 tree called_constructor; /* When decl is a constructor, the
511 list of other constructor it calls. */
512 struct hash_table init_test_table;
513 /* Class initialization test variables. */
514 tree inner_access; /* The identifier of the access method
515 used for invocation from inner classes */
516 int nap; /* Number of artificial parameters */
519 /* init_test_table hash table entry structure. */
520 struct init_test_hash_entry
522 struct hash_entry root;
526 /* DECL_LANG_SPECIFIC for VAR_DECL and PARM_DECL. */
535 /* Macro to access fields in `struct lang_type'. */
537 #define TYPE_SIGNATURE(T) (TYPE_LANG_SPECIFIC(T)->signature)
538 #define TYPE_JCF(T) (TYPE_LANG_SPECIFIC(T)->jcf)
539 #define TYPE_CPOOL(T) (TYPE_LANG_SPECIFIC(T)->cpool)
540 #define TYPE_CPOOL_DATA_REF(T) (TYPE_LANG_SPECIFIC(T)->cpool_data_ref)
541 #define MAYBE_CREATE_TYPE_TYPE_LANG_SPECIFIC(T) \
542 if (TYPE_LANG_SPECIFIC ((T)) == NULL) \
544 TYPE_LANG_SPECIFIC ((T)) = \
545 (struct lang_type *) xmalloc (sizeof (struct lang_type)); \
547 bzero ((char *) TYPE_LANG_SPECIFIC ((T)), \
548 sizeof (struct lang_type)); \
551 #define TYPE_FINIT_STMT_LIST(T) (TYPE_LANG_SPECIFIC(T)->finit_stmt_list)
552 #define TYPE_CLINIT_STMT_LIST(T) (TYPE_LANG_SPECIFIC(T)->clinit_stmt_list)
553 #define TYPE_II_STMT_LIST(T) (TYPE_LANG_SPECIFIC(T)->ii_block)
554 /* The decl of the synthetic method `class$' used to handle `.class'
555 for non primitive types when compiling to bytecode. */
556 #define TYPE_DOT_CLASS(T) (TYPE_LANG_SPECIFIC(T)->dot_class)
563 tree cpool_data_ref; /* Cached */
564 tree finit_stmt_list; /* List of statements $finit$ will use */
565 tree clinit_stmt_list; /* List of statements <clinit> will use */
566 tree ii_block; /* Instance initializer block */
567 tree dot_class; /* The decl of the `class$' function that
568 needs to be invoked and generated when
569 compiling to bytecode to implement
570 <non_primitive_type>.class */
573 #ifdef JAVA_USE_HANDLES
574 /* TYPE_BINFO_HANDLE points from a handle-class to its corresponding
575 non-handle-class, and vice verse. */
577 #define BINFO_HANDLE(NODE) TREE_VEC_ELT ((NODE), 6)
579 /* Given a RECORD_TYPE for a handle type, return the corresponding class. */
580 #define HANDLE_TO_CLASS_TYPE(HTYPE) BINFO_HANDLE (TYPE_BINFO (HTYPE))
582 /* Given a RECORD_TYPE for a class, return the corresponding handle type. */
583 #define CLASS_TO_HANDLE_TYPE(TYPE) BINFO_HANDLE (TYPE_BINFO (TYPE))
585 #define HANDLE_TO_CLASS_TYPE(HTYPE) (HTYPE)
586 #define CLASS_TO_HANDLE_TYPE(TYPE) (TYPE)
589 #define JCF_u4 unsigned long
590 #define JCF_u2 unsigned short
592 extern void add_assume_compiled PARAMS ((const char *, int));
593 extern tree lookup_class PARAMS ((tree));
594 extern tree lookup_java_constructor PARAMS ((tree, tree));
595 extern tree lookup_java_method PARAMS ((tree, tree, tree));
596 extern tree lookup_argument_method PARAMS ((tree, tree, tree));
597 extern tree lookup_argument_method2 PARAMS ((tree, tree, tree));
598 extern tree promote_type PARAMS ((tree));
599 extern tree get_constant PARAMS ((struct JCF*, int));
600 extern tree get_name_constant PARAMS ((struct JCF*, int));
601 extern tree get_class_constant PARAMS ((struct JCF*, int));
602 extern tree parse_signature PARAMS ((struct JCF *jcf, int sig_index));
603 extern void jcf_parse PARAMS ((struct JCF*));
604 extern tree add_field PARAMS ((tree, tree, tree, int));
605 extern tree add_method PARAMS ((tree, int, tree, tree));
606 extern tree add_method_1 PARAMS ((tree, int, tree, tree));
607 extern tree make_class PARAMS ((void));
608 extern tree push_class PARAMS ((tree, tree));
609 extern tree unmangle_classname PARAMS ((const char *name, int name_length));
610 extern tree parse_signature_string PARAMS ((const unsigned char *, int));
611 extern tree get_type_from_signature PARAMS ((tree));
612 extern void layout_class PARAMS ((tree));
613 extern tree layout_class_method PARAMS ((tree, tree, tree, tree));
614 extern void layout_class_methods PARAMS ((tree));
615 extern tree build_class_ref PARAMS ((tree));
616 extern tree build_dtable_decl PARAMS ((tree));
617 extern tree build_internal_class_name PARAMS ((tree));
618 extern tree build_constants_constructor PARAMS ((void));
619 extern tree build_ref_from_constant_pool PARAMS ((int));
620 extern tree build_utf8_ref PARAMS ((tree));
621 extern tree ident_subst PARAMS ((const char*, int,
622 const char*, int, int, const char*));
623 extern tree identifier_subst PARAMS ((const tree,
624 const char *, int, int, const char *));
625 extern tree build_java_signature PARAMS ((tree));
626 extern tree build_java_argument_signature PARAMS ((tree));
627 extern void set_java_signature PARAMS ((tree, tree));
628 extern tree build_static_field_ref PARAMS ((tree));
629 extern tree build_address_of PARAMS ((tree));
630 extern tree find_local_variable PARAMS ((int index, tree type, int pc));
631 extern tree find_stack_slot PARAMS ((int index, tree type));
632 extern tree build_prim_array_type PARAMS ((tree, HOST_WIDE_INT));
633 extern tree build_java_array_type PARAMS ((tree, HOST_WIDE_INT));
634 extern int is_compiled_class PARAMS ((tree));
635 extern tree mangled_classname PARAMS ((const char*, tree));
636 extern tree lookup_label PARAMS ((int));
637 extern tree pop_type_0 PARAMS ((tree));
638 extern tree pop_type PARAMS ((tree));
639 extern void pop_argument_types PARAMS ((tree));
640 extern tree decode_newarray_type PARAMS ((int));
641 extern tree lookup_field PARAMS ((tree*, tree));
642 extern int is_array_type_p PARAMS ((tree));
643 extern HOST_WIDE_INT java_array_type_length PARAMS ((tree));
644 extern int read_class PARAMS ((tree));
645 extern void load_class PARAMS ((tree, int));
647 extern tree lookup_name PARAMS ((tree));
648 extern tree build_known_method_ref PARAMS ((tree, tree, tree, tree, tree));
649 extern tree build_class_init PARAMS ((tree, tree));
650 extern tree build_invokevirtual PARAMS ((tree, tree));
651 extern tree build_invokeinterface PARAMS ((tree, tree));
652 extern tree invoke_build_dtable PARAMS ((int, tree));
653 extern tree build_field_ref PARAMS ((tree, tree, tree));
654 extern void pushdecl_force_head PARAMS ((tree));
655 extern tree build_java_binop PARAMS ((enum tree_code, tree, tree, tree));
656 extern tree build_java_soft_divmod PARAMS ((enum tree_code, tree, tree, tree));
657 extern tree binary_numeric_promotion PARAMS ((tree, tree, tree *, tree *));
658 extern tree build_java_arrayaccess PARAMS ((tree, tree, tree));
659 extern tree build_newarray PARAMS ((int, tree));
660 extern tree build_anewarray PARAMS ((tree, tree));
661 extern tree build_new_array PARAMS ((tree, tree));
662 extern tree build_java_array_length_access PARAMS ((tree));
663 extern tree build_java_arraynull_check PARAMS ((tree, tree, tree));
664 extern tree create_label_decl PARAMS ((tree));
665 extern void push_labeled_block PARAMS ((tree));
666 extern tree prepare_eh_table_type PARAMS ((tree));
667 extern void java_set_exception_lang_code PARAMS ((void));
668 extern tree generate_name PARAMS ((void));
669 extern void pop_labeled_block PARAMS ((void));
670 extern const char *lang_printable_name PARAMS ((tree, int));
671 extern tree maybe_add_interface PARAMS ((tree, tree));
672 extern void set_super_info PARAMS ((int, tree, tree, int));
673 extern int get_access_flags_from_decl PARAMS ((tree));
674 extern int interface_of_p PARAMS ((tree, tree));
675 extern int inherits_from_p PARAMS ((tree, tree));
676 extern int enclosing_context_p PARAMS ((tree, tree));
677 extern void complete_start_java_method PARAMS ((tree));
678 extern tree build_result_decl PARAMS ((tree));
679 extern void emit_handlers PARAMS ((void));
680 extern void init_outgoing_cpool PARAMS ((void));
681 extern void make_class_data PARAMS ((tree));
682 extern void register_class PARAMS ((void));
683 extern int alloc_name_constant PARAMS ((int, tree));
684 extern void emit_register_classes PARAMS ((void));
685 extern void lang_init_source PARAMS ((int));
686 extern void write_classfile PARAMS ((tree));
687 extern char *print_int_node PARAMS ((tree));
688 extern void parse_error_context PARAMS ((tree cl, const char *, ...))
690 extern tree build_primtype_type_ref PARAMS ((const char *));
691 extern tree java_get_real_method_name PARAMS ((tree));
692 extern void finish_class PARAMS ((void));
693 extern void java_layout_seen_class_methods PARAMS ((void));
694 extern void check_for_initialization PARAMS ((tree));
696 extern tree pushdecl_top_level PARAMS ((tree));
697 extern int alloc_class_constant PARAMS ((tree));
698 extern int unicode_mangling_length PARAMS ((const char *, int));
699 extern void init_expr_processing PARAMS ((void));
700 extern void push_super_field PARAMS ((tree, tree));
701 extern void init_class_processing PARAMS ((void));
702 extern int can_widen_reference_to PARAMS ((tree, tree));
703 extern int class_depth PARAMS ((tree));
704 extern int verify_jvm_instructions PARAMS ((struct JCF *, const unsigned char *, long));
705 extern void maybe_pushlevels PARAMS ((int));
706 extern void maybe_poplevels PARAMS ((int));
707 extern void force_poplevels PARAMS ((int));
708 extern int process_jvm_instruction PARAMS ((int, const unsigned char *, long));
709 extern void set_local_type PARAMS ((int, tree));
710 extern int merge_type_state PARAMS ((tree));
711 extern void push_type PARAMS ((tree));
712 extern void load_type_state PARAMS ((tree));
713 extern void add_interface PARAMS ((tree, tree));
714 extern void append_gpp_mangled_name PARAMS ((struct obstack *, const char *, int));
715 extern void append_gpp_mangled_classtype PARAMS ((struct obstack *, const char *));
716 extern void emit_unicode_mangled_name PARAMS ((struct obstack *, const char *, int));
717 extern tree force_evaluation_order PARAMS ((tree));
718 extern int verify_constant_pool PARAMS ((struct JCF *));
719 extern void start_java_method PARAMS ((tree));
720 extern void end_java_method PARAMS ((void));
721 extern void give_name_to_locals PARAMS ((struct JCF *));
722 extern void expand_byte_code PARAMS ((struct JCF *, tree));
723 extern int open_in_zip PARAMS ((struct JCF *, const char *, const char *, int));
724 extern void set_constant_value PARAMS ((tree, tree));
726 extern int find_constant1 PARAMS ((struct CPool *, int, jword));
727 extern int find_constant2 PARAMS ((struct CPool *, int, jword, jword));
729 extern int find_utf8_constant PARAMS ((struct CPool *, tree));
730 extern int find_string_constant PARAMS ((struct CPool *, tree));
731 extern int find_class_constant PARAMS ((struct CPool *, tree));
732 extern int find_fieldref_index PARAMS ((struct CPool *, tree));
733 extern int find_methodref_index PARAMS ((struct CPool *, tree));
734 extern void write_constant_pool PARAMS ((struct CPool *, unsigned char *, int));
735 extern int count_constant_pool_bytes PARAMS ((struct CPool *));
736 extern int encode_newarray_type PARAMS ((tree));
738 extern void format_int PARAMS ((char *, jlong, int));
739 extern void format_uint PARAMS ((char *, uint64, int));
741 extern void jcf_trim_old_input PARAMS ((struct JCF *));
743 extern void jcf_print_utf8 PARAMS ((FILE *, const unsigned char *, int));
744 extern void jcf_print_char PARAMS ((FILE *, int));
745 extern void jcf_print_utf8_replace PARAMS ((FILE *, const unsigned char *,
748 extern char* open_class PARAMS ((char *, struct JCF *, FILE *, const char *));
750 extern char* open_class PARAMS ((char *, struct JCF *, int, const char *));
751 # endif /* JCF_USE_STDIO */
753 void java_debug_context PARAMS ((void));
754 void safe_layout_class PARAMS ((tree));
756 extern tree get_boehm_type_descriptor PARAMS ((tree));
757 extern unsigned long java_hash_hash_tree_node PARAMS ((hash_table_key));
758 extern boolean java_hash_compare_tree_node PARAMS ((hash_table_key,
761 /* We use ARGS_SIZE_RTX to indicate that gcc/expr.h has been included
762 to declare `enum expand_modifier'. */
763 #if defined (TREE_CODE) && defined(RTX_CODE) && defined (HAVE_MACHINE_MODES) && defined (ARGS_SIZE_RTX)
764 struct rtx_def * java_lang_expand_expr PARAMS ((tree, rtx, enum machine_mode,
765 enum expand_modifier));
766 #endif /* TREE_CODE && RTX_CODE && HAVE_MACHINE_MODES && ARGS_SIZE_RTX */
768 /* Access flags etc for a method (a FUNCTION_DECL): */
770 #define METHOD_PUBLIC(DECL) DECL_LANG_FLAG_1 (DECL)
771 #define METHOD_PRIVATE(DECL) TREE_PRIVATE (DECL)
772 #define METHOD_PROTECTED(DECL) TREE_PROTECTED (DECL)
773 #define METHOD_STATIC(DECL) DECL_LANG_FLAG_2 (DECL)
774 #define METHOD_FINAL(DECL) DECL_LANG_FLAG_3 (DECL)
775 #define METHOD_SYNCHRONIZED(DECL) DECL_LANG_FLAG_4 (DECL)
776 #define METHOD_NATIVE(DECL) DECL_EXTERNAL(DECL)
777 #define METHOD_ABSTRACT(DECL) DECL_LANG_FLAG_5 (DECL)
778 #define METHOD_TRANSIENT(DECL) DECL_LANG_FLAG_6 (DECL)
780 /* Other predicates on method decls */
782 #define DECL_CONSTRUCTOR_P(DECL) DECL_LANG_FLAG_7(DECL)
784 #define DECL_INIT_P(DECL) (ID_INIT_P (DECL_NAME (DECL)))
785 #define DECL_FINIT_P(DECL) (ID_FINIT_P (DECL_NAME (DECL)))
786 #define DECL_CLINIT_P(DECL) (ID_CLINIT_P (DECL_NAME (DECL)))
788 /* Predicates on method identifiers. Kept close to other macros using
790 #define ID_INIT_P(ID) ((ID) == init_identifier_node)
791 #define ID_FINIT_P(ID) ((ID) == finit_identifier_node)
792 #define ID_CLINIT_P(ID) ((ID) == clinit_identifier_node)
794 /* Access flags etc for a variable/field (a FIELD_DECL): */
796 #define FIELD_PRIVATE(DECL) TREE_PRIVATE (DECL)
797 #define FIELD_PROTECTED(DECL) TREE_PROTECTED (DECL)
798 #define FIELD_PUBLIC(DECL) DECL_LANG_FLAG_1 (DECL)
799 #define FIELD_STATIC(DECL) TREE_STATIC (DECL)
800 #define FIELD_FINAL(DECL) DECL_LANG_FLAG_3 (DECL)
801 #define FIELD_VOLATILE(DECL) DECL_LANG_FLAG_4 (DECL)
802 #define FIELD_TRANSIENT(DECL) DECL_LANG_FLAG_5 (DECL)
803 #define LOCAL_FINAL(DECL) FIELD_FINAL(DECL)
805 /* Access flags etc for a class (a TYPE_DECL): */
807 #define CLASS_PUBLIC(DECL) DECL_LANG_FLAG_1 (DECL)
808 #define CLASS_FINAL(DECL) DECL_LANG_FLAG_3 (DECL)
809 #define CLASS_INTERFACE(DECL) DECL_LANG_FLAG_4 (DECL)
810 #define CLASS_ABSTRACT(DECL) DECL_LANG_FLAG_5 (DECL)
811 #define CLASS_SUPER(DECL) DECL_LANG_FLAG_6 (DECL)
812 #define CLASS_STATIC(DECL) DECL_LANG_FLAG_7 (DECL)
814 /* @deprecated marker flag on methods, fields and classes */
816 #define METHOD_DEPRECATED(DECL) DECL_LANG_FLAG_0 (DECL)
817 #define FIELD_DEPRECATED(DECL) DECL_LANG_FLAG_0 (DECL)
818 #define CLASS_DEPRECATED(DECL) DECL_LANG_FLAG_0 (DECL)
819 #define DECL_DEPRECATED(DECL) DECL_LANG_FLAG_0 (DECL)
821 /* The number of virtual methods in this class's dispatch table.
822 Does not include initial two dummy entries (one points to the
823 Class object, and the other is for G++ -fvtable-thunks compatibility). */
824 #define TYPE_NVIRTUALS(TYPE) TYPE_BINFO_VIRTUALS (TYPE)
826 /* A TREE_VEC (indexed by DECL_VINDEX) containing this class's
828 #define TYPE_VTABLE(TYPE) TYPE_BINFO_VTABLE(TYPE)
830 /* Use CLASS_LOADED_P? FIXME */
831 #define CLASS_COMPLETE_P(DECL) DECL_LANG_FLAG_2 (DECL)
833 /* This maps a bytecode offset (PC) to various flags,
834 listed below (starting with BCODE_). */
835 extern char *instruction_bits;
837 /* True iff the byte is the start of an instruction. */
838 #define BCODE_INSTRUCTION_START 1
840 /* True iff there is a jump to this location. */
841 #define BCODE_JUMP_TARGET 2
843 /* True iff there is a return to this location.
844 (I.e. the preceedng instruction was a call.) */
845 #define BCODE_RETURN_TARGET 4
847 /* True iff this is the start of an exception handler. */
848 #define BCODE_EXCEPTION_TARGET 16
850 /* True iff there is a jump to this location (and it needs a label). */
851 #define BCODE_TARGET \
852 (BCODE_JUMP_TARGET|BCODE_RETURN_TARGET \
853 | BCODE_EXCEPTION_TARGET)
855 /* True iff there is an entry in the linenumber table for this location. */
856 #define BCODE_HAS_LINENUMBER 32
858 /* True iff there is more than one entry in the linenumber table for
859 this location. (This probably does not make much sense.) */
860 #define BCODE_HAS_MULTI_LINENUMBERS 64
862 /* True if this instruction has been verified. */
863 #define BCODE_VERIFIED 8
865 /* A pointer to the line number table of the current method. */
866 extern const unsigned char *linenumber_table;
867 /* The length (in items) of the line number table. */
868 extern int linenumber_count;
870 /* In type_map, means that slot is uninitialized or otherwise unusable. */
871 #define TYPE_UNKNOWN NULL_TREE
873 /* In type_map, means the second half of a 64-bit double or long. */
874 #define TYPE_SECOND void_type_node
876 /* In type_map, means the null type (i.e. type of a null reference). */
877 #define TYPE_NULL ptr_type_node
879 /* In a type map means the type the address subroutine return address. */
880 #define TYPE_RETURN_ADDR return_address_type_node
882 /* In a subroutine's return type map, indicates that the slot was neither
883 used nor set in the subroutine. */
884 #define TYPE_UNUSED error_mark_node
886 /* A array mapping variable/stack slot index to the type current
887 in that variable/stack slot.
888 TYPE_UNKNOWN, TYPE_SECOND, and TYPE_NULL are special cases. */
889 extern tree *type_map;
891 /* Map a stack index to the type currently in that slot. */
892 #define stack_type_map (type_map+DECL_MAX_LOCALS(current_function_decl))
894 /* True iff TYPE takes two variable/stack slots. */
895 #define TYPE_IS_WIDE(TYPE) \
896 ((TYPE) == double_type_node || (TYPE) == long_type_node)
898 /* True iif CLASS has it's access$0 method generated. */
899 #define CLASS_ACCESS0_GENERATED_P(CLASS) TYPE_LANG_FLAG_0 (CLASS)
901 /* True iff TYPE is a Java array type. */
902 #define TYPE_ARRAY_P(TYPE) TYPE_LANG_FLAG_1 (TYPE)
904 /* If FUNCTION_TYPE or METHOD_TYPE: cache for build_java_argument_signature. */
905 #define TYPE_ARGUMENT_SIGNATURE(TYPE) TYPE_VFIELD(TYPE)
907 /* Given an array type, give the type of the elements. */
908 /* FIXME this use of TREE_TYPE conflicts with something or other. */
909 #define TYPE_ARRAY_ELEMENT(ATYPE) TREE_TYPE(ATYPE)
911 /* True if class TYPE has been loaded. */
912 #define CLASS_LOADED_P(TYPE) TYPE_LANG_FLAG_2 (TYPE)
914 /* True if class TYPE was defined in Java source code. */
915 #define CLASS_FROM_SOURCE_P(TYPE) TYPE_LANG_FLAG_3 (TYPE)
917 /* True of a RECORD_TYPE of a class/interface type (not array type) */
918 #define CLASS_P(TYPE) TYPE_LANG_FLAG_4 (TYPE)
920 /* True if class TYPE was defined in a Java source file compiled. */
921 #define CLASS_FROM_CURRENTLY_COMPILED_SOURCE_P(TYPE) \
922 TYPE_LANG_FLAG_5 (TYPE)
924 /* True if class TYPE is currently being laid out. Helps in detection
925 of inheritance cycle occuring as a side effect of performing the
926 layout of a class. */
927 #define CLASS_BEING_LAIDOUT(TYPE) TYPE_LANG_FLAG_6 (TYPE)
929 /* True if class TYPE is currently being laid out. Helps in detection
930 of inheritance cycle occuring as a side effect of performing the
931 layout of a class. */
932 #define CLASS_BEING_LAIDOUT(TYPE) TYPE_LANG_FLAG_6 (TYPE)
934 /* True if class TYPE has a field initializer $finit$ function */
935 #define CLASS_HAS_FINIT_P(TYPE) TYPE_FINIT_STMT_LIST (TYPE)
937 /* True if identifier ID was seen while processing a single type import stmt */
938 #define IS_A_SINGLE_IMPORT_CLASSFILE_NAME_P(ID) TREE_LANG_FLAG_0 (ID)
940 /* True if identifier ID was seen while processing an import statement */
941 #define IS_A_CLASSFILE_NAME(ID) TREE_LANG_FLAG_1 (ID)
943 /* True if ID is a qualified named (contains . or /) */
944 #define QUALIFIED_P(ID) TREE_LANG_FLAG_2 (ID)
946 /* True if ID is an already processed import on demand */
947 #define IS_AN_IMPORT_ON_DEMAND_P(ID) TREE_LANG_FLAG_3 (ID)
949 /* True if ID is a command-line specified filename */
950 #define IS_A_COMMAND_LINE_FILENAME_P(ID) TREE_LANG_FLAG_4 (ID)
952 /* True if filename ID has already been parsed */
953 #define HAS_BEEN_ALREADY_PARSED_P(ID) TREE_LANG_FLAG_5 (ID)
955 /* True if EXPR is RHS sub-tree of a compound assign expression */
956 #define COMPOUND_ASSIGN_P(EXPR) TREE_LANG_FLAG_1 (EXPR)
958 /* True if a SWITCH_EXPR has a DEFAULT_EXPR. */
959 #define SWITCH_HAS_DEFAULT(NODE) TREE_LANG_FLAG_3 (NODE)
961 /* True if EXPR (a WFL in that case) was created after the
962 reduction of PRIMARY . XXX */
963 #define PRIMARY_P(EXPR) TREE_LANG_FLAG_2 (EXPR)
965 /* True if EXPR (a MODIFY_EXPR in that case) is the result of variable
966 initialization during its declaration */
967 #define MODIFY_EXPR_FROM_INITIALIZATION_P(EXPR) TREE_LANG_FLAG_2 (EXPR)
969 /* True if EXPR (a WFL in that case) resolves into an expression name */
970 #define RESOLVE_EXPRESSION_NAME_P(WFL) TREE_LANG_FLAG_0 (WFL)
972 /* True if EXPR (a LOOP_EXPR in that case) is part of a for statement */
973 #define FOR_LOOP_P(EXPR) TREE_LANG_FLAG_0 (EXPR)
975 /* True if NODE (a RECORD_TYPE in that case) is an anonymous class. */
976 #define ANONYMOUS_CLASS_P(NODE) TREE_LANG_FLAG_0 (NODE)
978 /* True if NODE (a RECORD_TYPE in that case) is a block local class. */
979 #define LOCAL_CLASS_P(NODE) TREE_LANG_FLAG_1 (NODE)
981 /* True if NODE (a TREE_LIST) hold a pair of argument name/type
982 declared with the final modifier */
983 #define ARG_FINAL_P(NODE) TREE_LANG_FLAG_0 (NODE)
985 /* True if EXPR (a WFL in that case) resolves into a package name */
986 #define RESOLVE_PACKAGE_NAME_P(WFL) TREE_LANG_FLAG_3 (WFL)
988 /* True if EXPR (a WFL in that case) resolves into a type name */
989 #define RESOLVE_TYPE_NAME_P(WFL) TREE_LANG_FLAG_4 (WFL)
991 /* True if STMT (a WFL in that case) holds a BREAK statement */
992 #define IS_BREAK_STMT_P(WFL) TREE_LANG_FLAG_5 (WFL)
994 /* True if EXPR (a CALL_EXPR in that case) is a crafted StringBuffer */
995 #define IS_CRAFTED_STRING_BUFFER_P(EXPR) TREE_LANG_FLAG_5 (EXPR)
997 /* True if EXPR (a SAVE_EXPR in that case) had its content already
998 checked for (un)initialized local variables. */
999 #define IS_INIT_CHECKED(EXPR) TREE_LANG_FLAG_5 (EXPR)
1001 /* If set in CALL_EXPR, the receiver is 'super'. */
1002 #define CALL_USING_SUPER(EXPR) TREE_LANG_FLAG_4 (EXPR)
1004 /* True if NODE (a statement) can complete normally. */
1005 #define CAN_COMPLETE_NORMALLY(NODE) TREE_LANG_FLAG_6(NODE)
1007 /* True if NODE (an IDENTIFIER) bears the name of a outer field from
1008 inner class access function. */
1009 #define OUTER_FIELD_ACCESS_IDENTIFIER_P(NODE) TREE_LANG_FLAG_6(NODE)
1011 /* Non null if NODE belongs to an inner class TYPE_DECL node.
1012 Verifies that NODE as the attributes of a decl. */
1013 #define INNER_CLASS_DECL_P(NODE) (TYPE_NAME (TREE_TYPE (NODE)) == NODE \
1014 && DECL_CONTEXT (NODE))
1016 /* Non null if NODE is an top level class TYPE_DECL node: NODE isn't
1017 an inner class or NODE is a static class. */
1018 #define TOPLEVEL_CLASS_DECL_P(NODE) (!INNER_CLASS_DECL_P (NODE) \
1019 || CLASS_STATIC (NODE))
1021 /* True if the class decl NODE was declared in a inner scope and is
1022 not a toplevel class */
1023 #define PURE_INNER_CLASS_DECL_P(NODE) \
1024 (INNER_CLASS_DECL_P (NODE) && !CLASS_STATIC (NODE))
1026 /* Non null if NODE belongs to an inner class RECORD_TYPE node. Checks
1027 that TYPE_NAME bears a decl. An array type wouldn't. */
1028 #define INNER_CLASS_TYPE_P(NODE) (TREE_CODE (TYPE_NAME (NODE)) == TYPE_DECL \
1029 && DECL_CONTEXT (TYPE_NAME (NODE)))
1031 #define TOPLEVEL_CLASS_TYPE_P(NODE) (!INNER_CLASS_TYPE_P (NODE) \
1032 || CLASS_STATIC (TYPE_NAME (NODE)))
1034 /* True if the class type NODE was declared in a inner scope and is
1035 not a toplevel class */
1036 #define PURE_INNER_CLASS_TYPE_P(NODE) \
1037 (INNER_CLASS_TYPE_P (NODE) && !CLASS_STATIC (TYPE_NAME (NODE)))
1039 /* Non null if NODE (a TYPE_DECL or a RECORD_TYPE) is an inner class. */
1040 #define INNER_CLASS_P(NODE) (TREE_CODE (NODE) == TYPE_DECL ? \
1041 INNER_CLASS_DECL_P (NODE) : \
1042 (TREE_CODE (NODE) == RECORD_TYPE ? \
1043 INNER_CLASS_TYPE_P (NODE) : \
1044 (fatal ("INNER_CLASS_P: Wrong node type"), 0)))
1046 /* On a TYPE_DECL, hold the list of inner classes defined within the
1047 scope of TYPE_DECL. */
1048 #define DECL_INNER_CLASS_LIST(NODE) DECL_INITIAL (NODE)
1050 /* Add a FIELD_DECL to RECORD_TYPE RTYPE.
1051 The field has name NAME (a char*), and type FTYPE.
1052 Unless this is the first field, FIELD most hold the previous field.
1053 FIELD is set to the newly created FIELD_DECL.
1055 We set DECL_ARTIFICIAL so these fields get skipped by make_class_data
1056 if compiling java.lang.Object or java.lang.Class. */
1058 #define PUSH_FIELD(RTYPE, FIELD, NAME, FTYPE) \
1059 { tree tmp_field = build_decl (FIELD_DECL, get_identifier(NAME), FTYPE); \
1060 if (TYPE_FIELDS (RTYPE) == NULL_TREE) TYPE_FIELDS (RTYPE) = tmp_field; \
1061 else TREE_CHAIN(FIELD) = tmp_field; \
1062 DECL_CONTEXT (tmp_field) = RTYPE; \
1063 DECL_ARTIFICIAL (tmp_field) = 1; \
1064 FIELD = tmp_field; }
1066 #define FINISH_RECORD(RTYPE) layout_type (RTYPE)
1068 /* Start building a RECORD_TYPE constructor with a given TYPE in CONS. */
1069 #define START_RECORD_CONSTRUCTOR(CONS, CTYPE) { \
1070 CONS = build (CONSTRUCTOR, CTYPE, NULL_TREE, NULL_TREE);\
1071 TREE_CHAIN(CONS) = TYPE_FIELDS (CTYPE); }
1073 /* Append a field initializer to CONS for the dummy field for the inherited
1074 fields. The dummy field has the given VALUE, and the same type as the
1075 super-class. Must be specified before calls to PUSH_FIELD_VALUE. */
1077 #define PUSH_SUPER_VALUE(CONS, VALUE) {\
1078 tree field = TREE_CHAIN(CONS);\
1079 if (DECL_NAME (field) != NULL_TREE) abort();\
1080 CONSTRUCTOR_ELTS(CONS) = tree_cons (field, VALUE, CONSTRUCTOR_ELTS(CONS));\
1081 TREE_CHAIN(CONS) = TREE_CHAIN (field); }
1083 /* Append a field initializer to CONS for a field with the given VALUE.
1084 NAME is a char* string used for error checking;
1085 the initializer must be specified in order. */
1086 #define PUSH_FIELD_VALUE(CONS, NAME, VALUE) {\
1087 tree field = TREE_CHAIN(CONS);\
1088 if (strcmp (IDENTIFIER_POINTER (DECL_NAME (field)), NAME) != 0) abort();\
1089 CONSTRUCTOR_ELTS(CONS) = tree_cons (field, VALUE, CONSTRUCTOR_ELTS(CONS));\
1090 TREE_CHAIN(CONS) = TREE_CHAIN (field); }
1092 /* Finish creating a record CONSTRUCTOR CONS. */
1093 #define FINISH_RECORD_CONSTRUCTOR(CONS) \
1094 CONSTRUCTOR_ELTS(CONS) = nreverse (CONSTRUCTOR_ELTS(CONS))
1096 /* Macros on constructors invocations. */
1097 #define CALL_CONSTRUCTOR_P(NODE) \
1098 (TREE_CODE (NODE) == NEW_CLASS_EXPR || CALL_EXPLICIT_CONSTRUCTOR_P (NODE))
1100 #define CALL_EXPLICIT_CONSTRUCTOR_P(NODE) \
1101 (CALL_THIS_CONSTRUCTOR_P (NODE) || CALL_SUPER_CONSTRUCTOR_P (NODE))
1103 #define CALL_THIS_CONSTRUCTOR_P(NODE) \
1104 (TREE_CODE (NODE) == CALL_EXPR \
1105 && EXPR_WFL_NODE (TREE_OPERAND (NODE, 0)) == this_identifier_node)
1107 #define CALL_SUPER_CONSTRUCTOR_P(NODE) \
1108 (TREE_CODE (NODE) == CALL_EXPR \
1109 && EXPR_WFL_NODE (TREE_OPERAND (NODE, 0)) == super_identifier_node)
1111 /* Using a FINALLY_EXPR node */
1112 #define FINALLY_EXPR_LABEL(NODE) TREE_OPERAND ((NODE), 0)
1113 #define FINALLY_EXPR_BLOCK(NODE) TREE_OPERAND ((NODE), 1)
1115 #define BLOCK_EXPR_DECLS(NODE) BLOCK_VARS(NODE)
1116 #define BLOCK_EXPR_BODY(NODE) BLOCK_SUBBLOCKS(NODE)
1118 #define BUILD_MONITOR_ENTER(WHERE, ARG) \
1120 (WHERE) = build (CALL_EXPR, int_type_node, \
1121 build_address_of (soft_monitorenter_node), \
1122 build_tree_list (NULL_TREE, (ARG)), \
1124 TREE_SIDE_EFFECTS (WHERE) = 1; \
1127 #define BUILD_MONITOR_EXIT(WHERE, ARG) \
1129 (WHERE) = build (CALL_EXPR, int_type_node, \
1130 build_address_of (soft_monitorexit_node), \
1131 build_tree_list (NULL_TREE, (ARG)), \
1133 TREE_SIDE_EFFECTS (WHERE) = 1; \
1136 /* Non zero if TYPE is an unchecked exception */
1137 #define IS_UNCHECKED_EXCEPTION_P(TYPE) \
1138 (inherits_from_p ((TYPE), runtime_exception_type_node) \
1139 || inherits_from_p ((TYPE), error_exception_type_node))
1141 extern int java_error_count; \
1143 /* Make the current function where this macro is invoked report error
1144 messages and and return, if any */
1145 #define java_parse_abort_on_error() \
1147 if (java_error_count > save_error_count) \
1151 #undef DEBUG_JAVA_BINDING_LEVELS