gcc/java/parse.h

   1 /* Language parser definitions for the GNU compiler for the Java(TM) language.
   2    Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002 Free Software Foundation, Inc.
   3    Contributed by Alexandre Petit-Bianco (apbianco@cygnus.com)
   4
   5 This file is part of GNU CC.
   6
   7 GNU CC is free software; you can redistribute it and/or modify
   8 it under the terms of the GNU General Public License as published by
   9 the Free Software Foundation; either version 2, or (at your option)
  10 any later version.
  11
  12 GNU CC is distributed in the hope that it will be useful,
  13 but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 GNU General Public License for more details.
  16
  17 You should have received a copy of the GNU General Public License
  18 along with GNU CC; see the file COPYING.  If not, write to
  19 the Free Software Foundation, 59 Temple Place - Suite 330,
  20 Boston, MA 02111-1307, USA.
  21
  22 Java and all Java-based marks are trademarks or registered trademarks
  23 of Sun Microsystems, Inc. in the United States and other countries.
  24 The Free Software Foundation is independent of Sun Microsystems, Inc.  */
  25
  26 #ifndef GCC_JAVA_PARSE_H
  27 #define GCC_JAVA_PARSE_H
  28
  29 #include "lex.h"
  30
  31 /* Extern global variable declarations */
  32 extern int java_error_count;
  33 extern struct obstack temporary_obstack;
  34 extern int quiet_flag;
  35
  36 #ifndef JC1_LITE
  37 /* Function extern to java/ */
  38 extern int int_fits_type_p PARAMS ((tree, tree));
  39 extern tree stabilize_reference PARAMS ((tree));
  40 #endif
  41
  42 /* Macros for verbose debug info  */
  43 #ifdef  VERBOSE_SKELETON
  44 #define RULE( rule ) printf ( "jv_yacc:%d: rule %s\n", lineno, rule )
  45 #else
  46 #define RULE( rule )
  47 #endif
  48
  49 #ifdef VERBOSE_SKELETON
  50 #undef SOURCE_FRONTEND_DEBUG
  51 #define SOURCE_FRONTEND_DEBUG(X)                                \
  52   {if (!quiet_flag) {printf ("* "); printf X; putchar ('\n');} }
  53 #else
  54 #define SOURCE_FRONTEND_DEBUG(X)
  55 #endif
  56
  57 /* Macro for error recovering  */
  58 #ifdef YYDEBUG
  59 #define RECOVERED                                       \
  60   { if (!quiet_flag) {printf ("** Recovered\n");} }
  61 #define DRECOVERED(s)                                           \
  62   { if (!quiet_flag) {printf ("** Recovered (%s)\n", #s);}}
  63 #else
  64 #define RECOVERED
  65 #define DRECOVERED(s)
  66 #endif
  67
  68 #define DRECOVER(s) {yyerrok; DRECOVERED(s);}
  69 #define RECOVER     {yyerrok; RECOVERED;}
  70
  71 #define YYERROR_NOW ctxp->java_error_flag = 1
  72 #define YYNOT_TWICE if (ctxp->prevent_ese != lineno)
  73
  74 /* Accepted modifiers */
  75 #define CLASS_MODIFIERS ACC_PUBLIC|ACC_ABSTRACT|ACC_FINAL|ACC_STRICT
  76 #define FIELD_MODIFIERS ACC_PUBLIC|ACC_PROTECTED|ACC_PRIVATE|ACC_FINAL| \
  77                         ACC_STATIC|ACC_TRANSIENT|ACC_VOLATILE
  78 #define METHOD_MODIFIERS ACC_PUBLIC|ACC_PROTECTED|ACC_PRIVATE|ACC_ABSTRACT| \
  79                          ACC_STATIC|ACC_FINAL|ACC_SYNCHRONIZED|ACC_NATIVE| \
  80                          ACC_STRICT
  81 #define INTERFACE_MODIFIERS ACC_PUBLIC|ACC_ABSTRACT|ACC_STRICT
  82 #define INTERFACE_INNER_MODIFIERS ACC_PUBLIC|ACC_PROTECTED|ACC_ABSTRACT| \
  83                                   ACC_STATIC|ACC_PRIVATE
  84 #define INTERFACE_METHOD_MODIFIERS ACC_PUBLIC|ACC_ABSTRACT
  85 #define INTERFACE_FIELD_MODIFIERS ACC_PUBLIC|ACC_STATIC|ACC_FINAL
  86
  87 /* Getting a modifier WFL */
  88 #define MODIFIER_WFL(M)   (ctxp->modifier_ctx [(M) - PUBLIC_TK])
  89
  90 /* Check on modifiers */
  91 #define THIS_MODIFIER_ONLY(f, m, v, count, l)                           \
  92   if ((f) & (m))                                                        \
  93     {                                                                   \
  94       tree node = MODIFIER_WFL (v);                                     \
  95       if ((l)                                                           \
  96           && ((EXPR_WFL_COLNO (node) > EXPR_WFL_COLNO (l))              \
  97               || (EXPR_WFL_LINENO (node) > EXPR_WFL_LINENO (l))))       \
  98         l = node;                                                       \
  99       else if (!(l))                                                    \
 100         l = node;                                                       \
 101       count++;                                                          \
 102     }
 103
 104 #define ABSTRACT_CHECK(FLAG, V, CL, S)                          \
 105   if ((FLAG) & (V))                                             \
 106     parse_error_context ((CL), "%s method can't be abstract", (S));
 107
 108 #define JCONSTRUCTOR_CHECK(FLAG, V, CL, S)                      \
 109   if ((FLAG) & (V))                                             \
 110     parse_error_context ((CL), "Constructor can't be %s", (S)); \
 111
 112 /* Misc. */
 113 #define exit_java_complete_class()              \
 114   {                                             \
 115     return;                                     \
 116   }
 117
 118 #define CLASS_OR_INTERFACE(decl, s1, s2)                        \
 119    (decl ?                                                      \
 120     ((get_access_flags_from_decl (TYPE_NAME (TREE_TYPE (decl))) \
 121       & ACC_INTERFACE) ?                                        \
 122      s2 : s1) : ((s1 [0]=='S'|| s1 [0]=='s') ?                  \
 123                  (s1 [0]=='S' ? "Supertype" : "supertype") :    \
 124                  (s1 [0] > 'A' ? "Type" : "type")))
 125
 126 #define GET_REAL_TYPE(TYPE)                                     \
 127   (TREE_CODE (TYPE) == TREE_LIST ? TREE_PURPOSE (TYPE) : TYPE)
 128
 129 /* Get TYPE name string, regardless whether TYPE is a class or an
 130    array. */
 131 #define GET_TYPE_NAME(TYPE)                             \
 132   (TREE_CODE (TYPE_NAME (TYPE)) == IDENTIFIER_NODE ?    \
 133    IDENTIFIER_POINTER (TYPE_NAME (TYPE)) :              \
 134    IDENTIFIER_POINTER (DECL_NAME (TYPE_NAME (TYPE))))
 135
 136 /* Pedantic warning on obsolete modifiers. Note: when cl is NULL,
 137    flags was set artificially, such as for a interface method */
 138 #define OBSOLETE_MODIFIER_WARNING(cl, flags, __modifier, arg)                \
 139   {                                                                          \
 140     if (flag_redundant && (cl) && ((flags) & (__modifier)))                  \
 141       parse_warning_context (cl,                                             \
 142      "Discouraged redundant use of `%s' modifier in declaration of %s",      \
 143                              java_accstring_lookup (__modifier), arg);       \
 144   }
 145 #define OBSOLETE_MODIFIER_WARNING2(cl, flags, __modifier, arg1, arg2)        \
 146   {                                                                          \
 147     if (flag_redundant && (cl) && ((flags) & (__modifier)))                  \
 148       parse_warning_context (cl,                                             \
 149      "Discouraged redundant use of `%s' modifier in declaration of %s `%s'", \
 150                              java_accstring_lookup (__modifier), arg1, arg2);\
 151   }
 152
 153 /* Quickly build a temporary pointer on hypothetical type NAME. */
 154 #define BUILD_PTR_FROM_NAME(ptr, name)          \
 155   do {                                          \
 156     ptr = build (POINTER_TYPE, NULL_TREE);      \
 157     TYPE_NAME (ptr) = name;                     \
 158   } while (0)
 159
 160 #define INCOMPLETE_TYPE_P(NODE)                         \
 161   ((TREE_CODE (NODE) == POINTER_TYPE)                   \
 162    && !TREE_TYPE (NODE)                                 \
 163    && TREE_CODE (TYPE_NAME (NODE)) == IDENTIFIER_NODE)
 164
 165 /* Set the EMIT_LINE_NOTE flag of a EXPR_WLF to 1 if debug information
 166    are requested. Works in the context of a parser rule. */
 167 #define JAVA_MAYBE_GENERATE_DEBUG_INFO(node)            \
 168   (debug_info_level != DINFO_LEVEL_NONE ?               \
 169     EXPR_WFL_EMIT_LINE_NOTE (node) = 1, node : node)
 170
 171 /* Types classification, according to the JLS, section 4.2 */
 172 #define JFLOAT_TYPE_P(TYPE)      (TYPE && TREE_CODE ((TYPE)) == REAL_TYPE)
 173 #define JINTEGRAL_TYPE_P(TYPE)   ((TYPE)                                   \
 174                                   && (TREE_CODE ((TYPE)) == INTEGER_TYPE   \
 175                                       || TREE_CODE ((TYPE)) == CHAR_TYPE))
 176 #define JNUMERIC_TYPE_P(TYPE)    ((TYPE)                                \
 177                                   && (JFLOAT_TYPE_P ((TYPE))            \
 178                                       || JINTEGRAL_TYPE_P ((TYPE))))
 179 #define JPRIMITIVE_TYPE_P(TYPE)  ((TYPE)                                  \
 180                                   && (JNUMERIC_TYPE_P ((TYPE))            \
 181                                   || TREE_CODE ((TYPE)) == BOOLEAN_TYPE))
 182
 183 #define JBSC_TYPE_P(TYPE) ((TYPE) && (((TYPE) == byte_type_node)        \
 184                                       || ((TYPE) == short_type_node)    \
 185                                       || ((TYPE) == char_type_node)))
 186
 187 /* Not defined in the LRM */
 188 #define JSTRING_TYPE_P(TYPE) ((TYPE)                                       \
 189                               && ((TYPE) == string_type_node ||            \
 190                                   (TREE_CODE (TYPE) == POINTER_TYPE &&     \
 191                                    TREE_TYPE (TYPE) == string_type_node)))
 192 #define JSTRING_P(NODE) ((NODE)                                         \
 193                          && (TREE_CODE (NODE) == STRING_CST             \
 194                              || IS_CRAFTED_STRING_BUFFER_P (NODE)       \
 195                              || JSTRING_TYPE_P (TREE_TYPE (NODE))))
 196
 197 #define JREFERENCE_TYPE_P(TYPE) ((TYPE)                                       \
 198                                  && (TREE_CODE (TYPE) == RECORD_TYPE          \
 199                                      || (TREE_CODE (TYPE) == POINTER_TYPE     \
 200                                          &&  TREE_CODE (TREE_TYPE (TYPE)) ==  \
 201                                          RECORD_TYPE)))
 202 #define JNULLP_TYPE_P(TYPE) ((TYPE) && (TREE_CODE (TYPE) == POINTER_TYPE) \
 203                              && (TYPE) == TREE_TYPE (null_pointer_node))
 204
 205 /* Other predicates */
 206 #define JDECL_P(NODE) (NODE && (TREE_CODE (NODE) == PARM_DECL           \
 207                                 || TREE_CODE (NODE) == VAR_DECL         \
 208                                 || TREE_CODE (NODE) == FIELD_DECL))
 209
 210 #define TYPE_INTERFACE_P(TYPE)                                  \
 211   (CLASS_P (TYPE) && CLASS_INTERFACE (TYPE_NAME (TYPE)))
 212
 213 #define TYPE_CLASS_P(TYPE) (CLASS_P (TYPE)                              \
 214                             && !CLASS_INTERFACE (TYPE_NAME (TYPE)))
 215
 216 /* Identifier business related to 1.1 language extensions.  */
 217
 218 #define IDENTIFIER_INNER_CLASS_OUTER_FIELD_ACCESS(NODE) \
 219   (TREE_CODE (NODE) == IDENTIFIER_NODE &&               \
 220    IDENTIFIER_LENGTH (NODE) >= 8 &&                     \
 221    IDENTIFIER_POINTER (NODE)[7] != '0')
 222
 223 /* Build the string val$<O> and store it into N. The is used to
 224    construct the name of inner class hidden fields used to alias outer
 225    scope local variables.  */
 226 #define MANGLE_OUTER_LOCAL_VARIABLE_NAME(N, O)                          \
 227   {                                                                     \
 228     char *mangled_name;                                                 \
 229     obstack_grow (&temporary_obstack, "val$", 4);                       \
 230     obstack_grow (&temporary_obstack,                                   \
 231                   IDENTIFIER_POINTER ((O)), IDENTIFIER_LENGTH ((O)));   \
 232     obstack_1grow (&temporary_obstack, '\0');                           \
 233     mangled_name = obstack_finish (&temporary_obstack);                 \
 234     (N) = get_identifier (mangled_name);                                \
 235     obstack_free (&temporary_obstack, mangled_name);                    \
 236   }
 237
 238 /* Build the string parm$<O> and store in into the identifier N. This
 239    is used to construct the name of hidden parameters used to
 240    initialize outer scope aliases.  */
 241 #define MANGLE_ALIAS_INITIALIZER_PARAMETER_NAME_ID(N, O)                \
 242   {                                                                     \
 243     char *mangled_name;                                                 \
 244     obstack_grow (&temporary_obstack, "parm$", 5);                      \
 245     obstack_grow (&temporary_obstack,                                   \
 246                   IDENTIFIER_POINTER ((O)), IDENTIFIER_LENGTH ((O)));   \
 247     obstack_1grow (&temporary_obstack, '\0');                           \
 248     mangled_name = obstack_finish (&temporary_obstack);                 \
 249     (N) = get_identifier (mangled_name);                                \
 250     obstack_free (&temporary_obstack, mangled_name);                    \
 251   }
 252
 253 #define MANGLE_ALIAS_INITIALIZER_PARAMETER_NAME_STR(N, S)       \
 254   {                                                             \
 255     char *mangled_name;                                                 \
 256     obstack_grow (&temporary_obstack, "parm$", 5);              \
 257     obstack_grow (&temporary_obstack, (S), strlen ((S)));       \
 258     obstack_1grow (&temporary_obstack, '\0');                   \
 259     mangled_name = obstack_finish (&temporary_obstack);                 \
 260     (N) = get_identifier (mangled_name);                                \
 261     obstack_free (&temporary_obstack, mangled_name);                    \
 262   }
 263
 264 /* Skip THIS and artificial parameters found in function decl M and
 265    assign the result to C. We don't do that for $finit$, since it's
 266    knowingly called with artificial parms.  */
 267 #define SKIP_THIS_AND_ARTIFICIAL_PARMS(C,M)                     \
 268   {                                                             \
 269     int i;                                                      \
 270     (C) = TYPE_ARG_TYPES (TREE_TYPE ((M)));                     \
 271     if (!METHOD_STATIC ((M)))                                   \
 272       (C) = TREE_CHAIN (C);                                     \
 273     if (DECL_CONSTRUCTOR_P ((M))                                \
 274         && PURE_INNER_CLASS_TYPE_P (DECL_CONTEXT ((M))))        \
 275       (C) = TREE_CHAIN (C);                                     \
 276     if (!DECL_FINIT_P ((M)))                                    \
 277       for (i = DECL_FUNCTION_NAP ((M)); i; i--)                 \
 278        (C) = TREE_CHAIN (C);                                    \
 279   }
 280
 281 /* Mark final parameters in method M, by comparison of the argument
 282    list L. This macro is used to set the flag once the method has been
 283    build.  */
 284 #define MARK_FINAL_PARMS(M, L)                                          \
 285   {                                                                     \
 286     tree current = TYPE_ARG_TYPES (TREE_TYPE ((M)));                    \
 287     tree list = (L);                                                    \
 288     if (!METHOD_STATIC ((M)))                                           \
 289       current = TREE_CHAIN (current);                                   \
 290     for (; current !=  end_params_node;                                 \
 291          current = TREE_CHAIN (current), list = TREE_CHAIN (list))      \
 292       ARG_FINAL_P (current) = ARG_FINAL_P (list);                       \
 293     if (current != list)                                                \
 294       abort ();                                                         \
 295   }
 296
 297 /* Reset the ARG_FINAL_P that might have been set in method M args.  */
 298 #define UNMARK_FINAL_PARMS(M)                                           \
 299   {                                                                     \
 300     tree current;                                                       \
 301     for (current = TYPE_ARG_TYPES (TREE_TYPE ((M)));                    \
 302          current != end_params_node; current = TREE_CHAIN (current))    \
 303       ARG_FINAL_P (current) = 0;                                        \
 304   }
 305
 306 /* Reverse a crafted parameter list as required.  */
 307 #define CRAFTED_PARAM_LIST_FIXUP(P)             \
 308   {                                             \
 309     if ((P))                                    \
 310       {                                         \
 311         tree last = (P);                        \
 312         (P) = nreverse (P);                     \
 313         TREE_CHAIN (last) = end_params_node;    \
 314       }                                         \
 315     else                                        \
 316       (P) = end_params_node;                    \
 317   }
 318
 319 /* Modes governing the creation of a alias initializer parameter
 320    lists. AIPL stands for Alias Initializer Parameter List.  */
 321 enum {
 322   AIPL_FUNCTION_CREATION,         /* Suitable for artificial method creation */
 323   AIPL_FUNCTION_DECLARATION,      /* Suitable for declared methods */
 324   AIPL_FUNCTION_CTOR_INVOCATION,  /* Invocation of constructors */
 325   AIPL_FUNCTION_FINIT_INVOCATION  /* Invocation of $finit$ */
 326 };
 327
 328 /* Standard error messages */
 329 #define ERROR_CANT_CONVERT_TO_BOOLEAN(OPERATOR, NODE, TYPE)             \
 330   parse_error_context ((OPERATOR),                                      \
 331     "Incompatible type for `%s'. Can't convert `%s' to boolean",        \
 332     operator_string ((NODE)), lang_printable_name ((TYPE),0))
 333
 334 #define ERROR_CANT_CONVERT_TO_NUMERIC(OPERATOR, NODE, TYPE)             \
 335   parse_error_context ((OPERATOR),                                      \
 336       "Incompatible type for `%s'. Can't convert `%s' to numeric type", \
 337       operator_string ((NODE)), lang_printable_name ((TYPE), 0))
 338
 339 #define ERROR_CAST_NEEDED_TO_INTEGRAL(OPERATOR, NODE, TYPE)             \
 340 do {                                                                    \
 341   tree _operator = (OPERATOR), _node = (NODE), _type = (TYPE);          \
 342   if (JPRIMITIVE_TYPE_P (_type))                                        \
 343     parse_error_context (_operator,                                     \
 344 "Incompatible type for `%s'. Explicit cast needed to convert `%s' to integral",\
 345                          operator_string(_node),                        \
 346                          lang_printable_name (_type, 0));               \
 347   else                                                                  \
 348     parse_error_context (_operator,                                     \
 349       "Incompatible type for `%s'. Can't convert `%s' to integral",     \
 350                          operator_string(_node),                        \
 351                          lang_printable_name (_type, 0));               \
 352 } while (0)
 353
 354 #define ERROR_VARIABLE_NOT_INITIALIZED(WFL, V)                  \
 355   parse_error_context                                           \
 356     ((WFL), "Variable `%s' may not have been initialized",      \
 357      IDENTIFIER_POINTER (V))
 358
 359 /* Definition for loop handling. This is Java's own definition of a
 360    loop body. See parse.y for documentation. It's valid once you hold
 361    a loop's body (LOOP_EXPR_BODY) */
 362
 363 /* The loop main block is the one hold the condition and the loop body */
 364 #define LOOP_EXPR_BODY_MAIN_BLOCK(NODE) TREE_OPERAND (NODE, 0)
 365 /* And then there is the loop update block */
 366 #define LOOP_EXPR_BODY_UPDATE_BLOCK(NODE) TREE_OPERAND (NODE, 1)
 367
 368 /* Inside the loop main block, there is the loop condition and the
 369    loop body. They may be reversed if the loop being described is a
 370    do-while loop. NOTE: if you use a WFL around the EXIT_EXPR so you
 371    can issue debug info for it, the EXIT_EXPR will be one operand
 372    further. */
 373 #define LOOP_EXPR_BODY_CONDITION_EXPR(NODE, R)                  \
 374   TREE_OPERAND (LOOP_EXPR_BODY_MAIN_BLOCK (NODE), (R ? 1 : 0))
 375
 376 /* Here is the labeled block the loop real body is encapsulated in */
 377 #define LOOP_EXPR_BODY_LABELED_BODY(NODE, R)                    \
 378   TREE_OPERAND (LOOP_EXPR_BODY_MAIN_BLOCK (NODE), (R ? 0 : 1))
 379 /* And here is the loop's real body */
 380 #define LOOP_EXPR_BODY_BODY_EXPR(NODE, R)                       \
 381   LABELED_BLOCK_BODY (LOOP_EXPR_BODY_LABELED_BODY(NODE, R))
 382
 383 #define PUSH_LABELED_BLOCK(B)                           \
 384   {                                                     \
 385     TREE_CHAIN (B) = ctxp->current_labeled_block;       \
 386     ctxp->current_labeled_block = (B);                  \
 387   }
 388 #define POP_LABELED_BLOCK()                                             \
 389   ctxp->current_labeled_block = TREE_CHAIN (ctxp->current_labeled_block)
 390
 391 #define PUSH_LOOP(L)                            \
 392   {                                             \
 393     TREE_CHAIN (L) = ctxp->current_loop;        \
 394     ctxp->current_loop = (L);                   \
 395   }
 396 #define POP_LOOP() ctxp->current_loop = TREE_CHAIN (ctxp->current_loop)
 397
 398 #define PUSH_EXCEPTIONS(E)                                      \
 399   currently_caught_type_list =                                  \
 400     tree_cons (NULL_TREE, (E), currently_caught_type_list);
 401
 402 #define POP_EXCEPTIONS()                                                \
 403   currently_caught_type_list = TREE_CHAIN (currently_caught_type_list)
 404
 405 /* Check that we're inside a try block.  */
 406 #define IN_TRY_BLOCK_P()                                \
 407   (currently_caught_type_list                           \
 408    && ((TREE_VALUE (currently_caught_type_list) !=      \
 409         DECL_FUNCTION_THROWS (current_function_decl))   \
 410        || TREE_CHAIN (currently_caught_type_list)))
 411
 412 /* Check that we have exceptions in E.  */
 413 #define EXCEPTIONS_P(E) ((E) ? TREE_VALUE (E) : NULL_TREE)
 414
 415 /* Anonymous array access */
 416 #define ANONYMOUS_ARRAY_BASE_TYPE(N)   TREE_OPERAND ((N), 0)
 417 #define ANONYMOUS_ARRAY_DIMS_SIG(N)    TREE_OPERAND ((N), 1)
 418 #define ANONYMOUS_ARRAY_INITIALIZER(N) TREE_OPERAND ((N), 2)
 419
 420 /* Invocation modes, as returned by invocation_mode (). */
 421 enum {
 422   INVOKE_STATIC,
 423   INVOKE_NONVIRTUAL,
 424   INVOKE_SUPER,
 425   INVOKE_INTERFACE,
 426   INVOKE_VIRTUAL
 427 };
 428
 429 /* We need the resolution stuff only if we compile jc1 */
 430 #ifndef JC1_LITE
 431
 432 /* Unresolved type identifiers handling. When we process the source
 433    code, we blindly accept an unknown type identifier and try to
 434    resolve it later. When an unknown type identifier is encountered
 435    and used, we record in a struct jdep element what the incomplete
 436    type is and what it should patch. Later, java_complete_class will
 437    process all classes known to have unresolved type
 438    dependencies. Within each of these classes, this routine will
 439    process unresolved type dependencies (JDEP_TO_RESOLVE), patch what
 440    needs to be patched in the dependent tree node (JDEP_GET_PATCH,
 441    JDEP_APPLY_PATCH) and perform other actions dictated by the context
 442    of the patch (JDEP_KIND). The ideas are: we patch only what needs
 443    to be patched, and with java_complete_class called at the right
 444    time, we will start processing incomplete function bodies tree
 445    nodes with everything external to function's bodies already
 446    completed, it makes things much simpler. */
 447
 448 enum jdep_code {
 449   JDEP_NO_PATCH,                /* Must be first */
 450   JDEP_SUPER,                   /* Patch the type of one type
 451                                    supertype. Requires some check
 452                                    before it's done */
 453   JDEP_FIELD,                   /* Patch the type of a class field */
 454
 455   /* JDEP_{METHOD,METHOD_RETURN,METHOD_END} to be kept in order */
 456   JDEP_METHOD,                  /* Mark the beginning of the patching
 457                                    of a method declaration, including
 458                                    it's arguments */
 459   JDEP_METHOD_RETURN,           /* Mark the beginning of the patching
 460                                    of a method declaration. Arguments
 461                                    aren't patched, only the returned
 462                                    type is */
 463   JDEP_METHOD_END,              /* Mark the end of the patching of a
 464                                    method declaration. It indicates
 465                                    that it's time to compute and
 466                                    install a new signature */
 467
 468   JDEP_INTERFACE,               /* Patch the type of a Class/interface
 469                                    extension */
 470   JDEP_VARIABLE,                /* Patch the type of a variable declaration */
 471   JDEP_PARM,                    /* Patch the type of a parm declaration */
 472   JDEP_TYPE,                    /* Patch a random tree node type,
 473                                    without the need for any specific
 474                                    actions */
 475   JDEP_EXCEPTION,               /* Patch exceptions specified by `throws' */
 476   JDEP_ANONYMOUS                /* Patch anonymous classes
 477                                    (implementation or extension.) */
 478
 479 };
 480
 481 typedef struct _jdep {
 482   ENUM_BITFIELD(jdep_code) kind : 8; /* Type of patch */
 483
 484   int  flag0 : 1;               /* Some flags */
 485   tree decl;                    /* Tied decl/or WFL */
 486   tree solv;                    /* What to solve */
 487   tree wfl;                     /* Where thing to resolve where found */
 488   tree misc;                    /* Miscellaneous info (optional). */
 489   tree enclosing;               /* The enclosing (current) class */
 490   tree *patch;                  /* Address of a location to patch */
 491   struct _jdep *next;           /* Linked list */
 492 } jdep;
 493
 494
 495 #define JDEP_DECL(J)          ((J)->decl)
 496 #define JDEP_DECL_WFL(J)      ((J)->decl)
 497 #define JDEP_KIND(J)          ((J)->kind)
 498 #define JDEP_WFL(J)           ((J)->wfl)
 499 #define JDEP_MISC(J)          ((J)->misc)
 500 #define JDEP_ENCLOSING(J)     ((J)->enclosing)
 501 #define JDEP_CLASS(J)         ((J)->class)
 502 #define JDEP_APPLY_PATCH(J,P) (*(J)->patch = (P))
 503 #define JDEP_GET_PATCH(J)     ((J)->patch)
 504 #define JDEP_CHAIN(J)         ((J)->next)
 505 #define JDEP_TO_RESOLVE(J)    ((J)->solv)
 506 #define JDEP_RESOLVED_DECL(J) ((J)->solv)
 507 #define JDEP_RESOLVED(J, D)   ((J)->solv = D)
 508 #define JDEP_RESOLVED_P(J)    \
 509         (!(J)->solv || TREE_CODE ((J)->solv) != POINTER_TYPE)
 510
 511 typedef struct _jdeplist {
 512   jdep *first;
 513   jdep *last;
 514   struct _jdeplist *next;
 515 } jdeplist;
 516
 517 #endif /* JC1_LITE */
 518
 519 #define CLASSD_FIRST(CD) ((CD)->first)
 520 #define CLASSD_LAST(CD)  ((CD)->last)
 521 #define CLASSD_CHAIN(CD) ((CD)->next)
 522
 523 #define JDEP_INSERT(L,J)                        \
 524   {                                             \
 525     if (!(L)->first)                            \
 526       (L)->last = (L)->first = (J);             \
 527     else                                        \
 528       {                                         \
 529         JDEP_CHAIN ((L)->last) = (J);           \
 530         (L)->last = (J);                        \
 531       }                                         \
 532   }
 533
 534 /* if TYPE can't be resolved, obtain something suitable for its
 535    resolution (TYPE is saved in SAVE before being changed). and set
 536    CHAIN to 1. Otherwise, type is set to something usable. CHAIN is
 537    usually used to determine that a new DEP must be installed on TYPE.
 538    Note that when compiling java.lang.Object, references to Object are
 539    java.lang.Object.  */
 540 #define SET_TYPE_FOR_RESOLUTION(TYPE, SAVE, CHAIN)                      \
 541   {                                                                     \
 542     tree _returned_type;                                                \
 543     (CHAIN) = 0;                                                        \
 544     if (TREE_TYPE (GET_CPC ()) == object_type_node                      \
 545         && TREE_CODE (TYPE) == EXPR_WITH_FILE_LOCATION                  \
 546         && EXPR_WFL_NODE (TYPE) == unqualified_object_id_node)          \
 547       (TYPE) = object_type_node;                                        \
 548     else                                                                \
 549       {                                                                 \
 550         if (unresolved_type_p (type, &_returned_type))                  \
 551           {                                                             \
 552             if (_returned_type)                                         \
 553               (TYPE) = _returned_type;                                  \
 554             else                                                        \
 555               {                                                         \
 556                 tree _type;                                             \
 557                 WFL_STRIP_BRACKET (_type, TYPE);                        \
 558                 (SAVE) = (_type);                                       \
 559                 (TYPE) = obtain_incomplete_type (TYPE);                 \
 560                 CHAIN = 1;                                              \
 561               }                                                         \
 562           }                                                             \
 563       }                                                                 \
 564   }
 565
 566 #define WFL_STRIP_BRACKET(TARGET, TYPE)                                   \
 567 {                                                                         \
 568   tree __type = (TYPE);                                                   \
 569   if (TYPE && TREE_CODE (TYPE) == EXPR_WITH_FILE_LOCATION)                \
 570     {                                                                     \
 571       tree _node;                                                         \
 572       if (build_type_name_from_array_name (EXPR_WFL_NODE (TYPE), &_node)) \
 573         {                                                                 \
 574           tree _new = copy_node (TYPE);                                   \
 575           EXPR_WFL_NODE (_new) = _node;                                   \
 576           __type = _new;                                                  \
 577         }                                                                 \
 578     }                                                                     \
 579   (TARGET) = __type;                                                      \
 580 }
 581
 582 /* If NAME contains one or more trailing []s, NAMELEN will be the
 583    adjusted to be the index of the last non bracket character in
 584    NAME. ARRAY_DIMS will contain the number of []s found.  */
 585
 586 #define STRING_STRIP_BRACKETS(NAME, NAMELEN, ARRAY_DIMS)                  \
 587 {                                                                         \
 588   ARRAY_DIMS = 0;                                                         \
 589   while (NAMELEN >= 2 && (NAME)[NAMELEN - 1] == ']')                      \
 590     {                                                                     \
 591       NAMELEN -= 2;                                                       \
 592       (ARRAY_DIMS)++;                                                     \
 593     }                                                                     \
 594 }
 595
 596 /* Promote a type if it won't be registered as a patch */
 597 #define PROMOTE_RECORD_IF_COMPLETE(TYPE, IS_INCOMPLETE)         \
 598   {                                                             \
 599     if (!(IS_INCOMPLETE) && TREE_CODE (TYPE) == RECORD_TYPE)    \
 600       (TYPE) = promote_type (TYPE);                             \
 601   }
 602
 603 /* Insert a DECL in the current block */
 604 #define BLOCK_CHAIN_DECL(NODE)                                              \
 605   {                                                                         \
 606     TREE_CHAIN ((NODE)) =                                                   \
 607       BLOCK_EXPR_DECLS (GET_CURRENT_BLOCK (current_function_decl));         \
 608     BLOCK_EXPR_DECLS (GET_CURRENT_BLOCK (current_function_decl)) = (NODE);  \
 609   }
 610
 611 /* Return the current block, either found in the body of the currently
 612    declared function or in the current static block being defined. */
 613 #define GET_CURRENT_BLOCK(F) ((F) ? DECL_FUNCTION_BODY ((F)) :  \
 614                              current_static_block)
 615
 616 /* Merge an other line to the source line number of a decl. Used to
 617    remember function's end. */
 618 #define DECL_SOURCE_LINE_MERGE(DECL,NO) DECL_SOURCE_LINE(DECL) |= (NO << 16)
 619
 620 /* Retrieve those two info separately. */
 621 #define DECL_SOURCE_LINE_FIRST(DECL)    (DECL_SOURCE_LINE(DECL) & 0x0000ffff)
 622 #define DECL_SOURCE_LINE_LAST(DECL)     (DECL_SOURCE_LINE(DECL) >> 16)
 623
 624 /* Retrieve line/column from a WFL. */
 625 #define EXPR_WFL_GET_LINECOL(V,LINE,COL)        \
 626   {                                             \
 627      (LINE) = (V) >> 12;                        \
 628      (COL) = (V) & 0xfff;                       \
 629    }
 630 /* Add X to the column number information */
 631 #define EXPR_WFL_ADD_COL(V, X)                                  \
 632   (V) = (((V) & 0xfffff000) | ((((V) & 0xfff) + (X)) & 0xfff))
 633
 634 /* Build a WFL for expression nodes */
 635 #define BUILD_EXPR_WFL(NODE, WFL)                                       \
 636   build_expr_wfl ((NODE), input_filename, EXPR_WFL_LINENO ((WFL)),      \
 637                   EXPR_WFL_COLNO ((WFL)))
 638
 639 #define EXPR_WFL_QUALIFICATION(WFL) TREE_OPERAND ((WFL), 2)
 640 #define QUAL_WFL(NODE) TREE_PURPOSE (NODE)
 641 #define QUAL_RESOLUTION(NODE) TREE_VALUE (NODE)
 642 #define QUAL_DECL_TYPE(NODE) GET_SKIP_TYPE (NODE)
 643
 644 #define GET_SKIP_TYPE(NODE)                             \
 645   (TREE_CODE (TREE_TYPE (NODE)) == POINTER_TYPE ?       \
 646    TREE_TYPE (TREE_TYPE (NODE)): TREE_TYPE (NODE))
 647
 648 /* Handy macros for the walk operation */
 649 #define COMPLETE_CHECK_OP(NODE, N)                      \
 650 {                                                       \
 651   TREE_OPERAND ((NODE), (N)) =                          \
 652     java_complete_tree (TREE_OPERAND ((NODE), (N)));    \
 653   if (TREE_OPERAND ((NODE), (N)) == error_mark_node)    \
 654     return error_mark_node;                             \
 655 }
 656 #define COMPLETE_CHECK_OP_0(NODE) COMPLETE_CHECK_OP(NODE, 0)
 657 #define COMPLETE_CHECK_OP_1(NODE) COMPLETE_CHECK_OP(NODE, 1)
 658 #define COMPLETE_CHECK_OP_2(NODE) COMPLETE_CHECK_OP(NODE, 2)
 659
 660 /* Building invocations: append(ARG) and StringBuffer(ARG) */
 661 #define BUILD_APPEND(ARG)                                                     \
 662   ((JSTRING_TYPE_P (TREE_TYPE (ARG)) || JPRIMITIVE_TYPE_P (TREE_TYPE (ARG)))  \
 663    ? build_method_invocation (wfl_append,                                     \
 664                               ARG ? build_tree_list (NULL, (ARG)) : NULL_TREE)\
 665    : build_method_invocation (wfl_append,                                     \
 666                               ARG ? build_tree_list (NULL,                    \
 667                                                      build1 (CONVERT_EXPR,    \
 668                                                              object_type_node,\
 669                                                              (ARG)))          \
 670                               : NULL_TREE))
 671 #define BUILD_STRING_BUFFER(ARG)                                              \
 672   build_new_invocation (wfl_string_buffer,                                    \
 673                         (ARG ? build_tree_list (NULL, (ARG)) : NULL_TREE))
 674
 675 #define BUILD_THROW(WHERE, WHAT)                                \
 676   {                                                             \
 677     (WHERE) =                                                   \
 678       build (CALL_EXPR, void_type_node,                         \
 679              build_address_of (throw_node),                     \
 680              build_tree_list (NULL_TREE, (WHAT)), NULL_TREE);   \
 681     TREE_SIDE_EFFECTS ((WHERE)) = 1;                            \
 682   }
 683
 684 /* Set wfl_operator for the most accurate error location */
 685 #define SET_WFL_OPERATOR(WHICH, NODE, WFL)              \
 686   EXPR_WFL_LINECOL (WHICH) =                            \
 687     (TREE_CODE (WFL) == EXPR_WITH_FILE_LOCATION ?       \
 688      EXPR_WFL_LINECOL (WFL) : EXPR_WFL_LINECOL (NODE))
 689
 690 #define PATCH_METHOD_RETURN_ERROR()             \
 691   {                                             \
 692     if (ret_decl)                               \
 693       *ret_decl = NULL_TREE;                    \
 694     return error_mark_node;                     \
 695   }
 696
 697 /* Convenient macro to check. Assumes that CLASS is a CLASS_DECL.  */
 698 #define CHECK_METHODS(CLASS)                    \
 699   {                                             \
 700     if (CLASS_INTERFACE ((CLASS)))              \
 701       java_check_abstract_methods ((CLASS));    \
 702     else                                        \
 703       java_check_regular_methods ((CLASS));     \
 704   }
 705
 706 /* Using and reseting the @deprecated tag flag */
 707 #define CHECK_DEPRECATED(DECL)                  \
 708   {                                             \
 709     if (ctxp->deprecated)                       \
 710       DECL_DEPRECATED (DECL) = 1;               \
 711     ctxp->deprecated = 0;                       \
 712   }
 713
 714 /* Register an import */
 715 #define REGISTER_IMPORT(WHOLE, NAME)                                    \
 716 {                                                                       \
 717   IS_A_SINGLE_IMPORT_CLASSFILE_NAME_P ((NAME)) = 1;                     \
 718   ctxp->import_list = tree_cons ((WHOLE), (NAME), ctxp->import_list);   \
 719 }
 720
 721 /* Macro to access the osb (opening square bracket) count */
 722 #define CURRENT_OSB(C) (C)->osb_number [(C)->osb_depth]
 723
 724 /* Macro for the xreferencer */
 725 #define DECL_END_SOURCE_LINE(DECL)       (DECL_CHECK (DECL)->decl.u1.i)
 726 #define DECL_INHERITED_SOURCE_LINE(DECL) (DECL_CHECK (DECL)->decl.u2.i)
 727
 728 /* Parser context data structure. */
 729 struct parser_ctxt {
 730
 731   const char *filename;             /* Current filename */
 732   struct parser_ctxt *next;
 733
 734   java_lexer *lexer;                 /* Current lexer state */
 735   char marker_begining;              /* Marker. Should be a sub-struct */
 736   struct java_line *p_line, *c_line; /* Previous and current line */
 737   java_lc elc;                       /* Error's line column info */
 738   int ccb_indent;                    /* Keep track of {} indent, lexer */
 739   int first_ccb_indent1;             /* First { at ident level 1 */
 740   int last_ccb_indent1;              /* Last } at ident level 1 */
 741   int parser_ccb_indent;             /* Keep track of {} indent, parser */
 742   int osb_depth;                     /* Current depth of [ in an expression */
 743   int osb_limit;                     /* Limit of this depth */
 744   int *osb_number;                   /* Keep track of ['s */
 745   int lineno;                        /* Current lineno */
 746   char marker_end;                   /* End marker. Should be a sub-struct */
 747
 748   /* The flags section */
 749
 750   /* Indicates a context used for saving the parser status. The
 751      context must be popped when the status is restored. */
 752   unsigned saved_data_ctx:1;
 753   /* Indicates that a context already contains saved data and that the
 754      next save operation will require a new context to be created. */
 755   unsigned saved_data:1;
 756   /* Report error when true */
 757   unsigned java_error_flag:1;
 758   /* @deprecated tag seen */
 759   unsigned deprecated:1;
 760   /* Flag to report certain errors (fix this documentation. FIXME) */
 761   unsigned class_err:1;
 762
 763   /* This section is defined only if we compile jc1 */
 764 #ifndef JC1_LITE
 765   tree modifier_ctx [12];           /* WFL of modifiers */
 766   tree class_type;                  /* Current class */
 767   tree function_decl;               /* Current function decl, save/restore */
 768
 769   struct JCF *current_jcf;          /* CU jcf */
 770
 771   int prevent_ese;                  /* Prevent expression statement error */
 772
 773   int formal_parameter_number;      /* Number of parameters found */
 774   int interface_number;             /* # itfs declared to extend an itf def */
 775
 776   tree package;                     /* Defined package ID */
 777
 778   /* These two lists won't survive file traversal */
 779   tree  class_list;                 /* List of classes in a CU */
 780   jdeplist *classd_list;            /* Classe dependencies in a CU */
 781
 782   tree  current_parsed_class;       /* Class currently parsed */
 783   tree  current_parsed_class_un;    /* Curr. parsed class unqualified name */
 784
 785   tree non_static_initialized;      /* List of non static initialized fields */
 786   tree static_initialized;          /* List of static non final initialized */
 787   tree instance_initializers;       /* List of instance initializers stmts */
 788
 789   tree import_list;                 /* List of import */
 790   tree import_demand_list;          /* List of import on demand */
 791
 792   tree current_loop;                /* List of the currently nested
 793                                        loops/switches */
 794   tree current_labeled_block;       /* List of currently nested
 795                                        labeled blocks. */
 796
 797   int pending_block;                /* Pending block to close */
 798
 799   int explicit_constructor_p;       /* >0 when processing an explicit
 800                                        constructor. This flag is used to trap
 801                                        illegal argument usage during an
 802                                        explicit constructor invocation. */
 803 #endif /* JC1_LITE */
 804 };
 805
 806 /* A set of macros to push/pop/access the currently parsed class.  */
 807 #define GET_CPC_LIST()     ctxp->current_parsed_class
 808
 809 /* Currently class being parsed is an inner class if an enclosing
 810    class has been already pushed. This truth value is only valid prior
 811    an inner class is pushed. After, use FIXME. */
 812 #define CPC_INNER_P() GET_CPC_LIST ()
 813
 814 /* Get the currently parsed class DECL_TYPE node.  */
 815 #define GET_CPC() TREE_VALUE (GET_CPC_LIST ())
 816
 817 /* Get the currently parsed class unqualified IDENTIFIER_NODE.  */
 818 #define GET_CPC_UN() TREE_PURPOSE (GET_CPC_LIST ())
 819
 820 /* Get a parsed class unqualified IDENTIFIER_NODE from its CPC node.  */
 821 #define GET_CPC_UN_NODE(N) TREE_PURPOSE (N)
 822
 823 /* Get the currently parsed class DECL_TYPE from its CPC node.  */
 824 #define GET_CPC_DECL_NODE(N) TREE_VALUE (N)
 825
 826 /* The currently parsed enclosing currently parsed TREE_LIST node.  */
 827 #define GET_ENCLOSING_CPC() TREE_CHAIN (GET_CPC_LIST ())
 828
 829 /* Get the next enclosing context.  */
 830 #define GET_NEXT_ENCLOSING_CPC(C) TREE_CHAIN (C)
 831
 832 /* The DECL_TYPE node of the enclosing currently parsed
 833    class. NULL_TREE if the currently parsed class isn't an inner
 834    class.  */
 835 #define GET_ENCLOSING_CPC_CONTEXT() (GET_ENCLOSING_CPC () ?                   \
 836                                      TREE_VALUE (GET_ENCLOSING_CPC ()) :      \
 837                                      NULL_TREE)
 838
 839 /* Make sure that innerclass T sits in an appropriate enclosing
 840    context.  */
 841 #define INNER_ENCLOSING_SCOPE_CHECK(T)                                        \
 842   (INNER_CLASS_TYPE_P ((T)) && !ANONYMOUS_CLASS_P ((T))                       \
 843    && ((current_this                                                          \
 844         /* We have a this and it's not the right one */                       \
 845         && (DECL_CONTEXT (TYPE_NAME ((T)))                                    \
 846             != TYPE_NAME (TREE_TYPE (TREE_TYPE (current_this))))              \
 847         && !inherits_from_p (TREE_TYPE (TREE_TYPE (current_this)),            \
 848                              TREE_TYPE (DECL_CONTEXT (TYPE_NAME (T))))        \
 849         && !common_enclosing_context_p (TREE_TYPE (TREE_TYPE (current_this)), \
 850                                         (T))                                  \
 851         && INNER_CLASS_TYPE_P (TREE_TYPE (TREE_TYPE (current_this)))          \
 852         && !inherits_from_p                                                   \
 853               (TREE_TYPE (DECL_CONTEXT                                        \
 854                           (TYPE_NAME (TREE_TYPE (TREE_TYPE (current_this))))),\
 855                TREE_TYPE (DECL_CONTEXT (TYPE_NAME (T)))))                     \
 856        /* We don't have a this, which is OK if the current function is        \
 857           static. */                                                          \
 858        || (!current_this                                                      \
 859            && current_function_decl                                           \
 860            && ! METHOD_STATIC (current_function_decl))))
 861
 862 /* Push macro. First argument to PUSH_CPC is a DECL_TYPE, second
 863    argument is the unqualified currently parsed class name.  */
 864 #define PUSH_CPC(C,R) {                                         \
 865                         ctxp->current_parsed_class =            \
 866                         tree_cons ((R), (C), GET_CPC_LIST ());  \
 867                       }
 868
 869 /* In case of an error, push an error.  */
 870 #define PUSH_ERROR() PUSH_CPC (error_mark_node, error_mark_node)
 871
 872 /* Pop macro. Before we pop, we link the current inner class decl (if any)
 873    to its enclosing class.  */
 874 #define POP_CPC() {                                     \
 875                     link_nested_class_to_enclosing ();  \
 876                     ctxp->current_parsed_class =        \
 877                       TREE_CHAIN (GET_CPC_LIST ());     \
 878                   }
 879
 880 #define DEBUG_CPC()                                             \
 881   do                                                            \
 882     {                                                           \
 883       tree tmp =  ctxp->current_parsed_class;                   \
 884       while (tmp)                                               \
 885         {                                                       \
 886           fprintf (stderr, "%s ",                               \
 887                    IDENTIFIER_POINTER (TREE_PURPOSE (tmp)));    \
 888           tmp = TREE_CHAIN (tmp);                               \
 889         }                                                       \
 890     }                                                           \
 891   while (0);
 892
 893 /* Access to the various initializer statement lists */
 894 #define CPC_INITIALIZER_LIST(C)          ((C)->non_static_initialized)
 895 #define CPC_STATIC_INITIALIZER_LIST(C)   ((C)->static_initialized)
 896 #define CPC_INSTANCE_INITIALIZER_LIST(C) ((C)->instance_initializers)
 897
 898 /* Access to the various initializer statements */
 899 #define CPC_INITIALIZER_STMT(C) (TREE_PURPOSE (CPC_INITIALIZER_LIST (C)))
 900 #define CPC_STATIC_INITIALIZER_STMT(C) \
 901   (TREE_PURPOSE (CPC_STATIC_INITIALIZER_LIST (C)))
 902 #define CPC_INSTANCE_INITIALIZER_STMT(C) \
 903   (TREE_PURPOSE (CPC_INSTANCE_INITIALIZER_LIST (C)))
 904
 905 /* Set various initializer statements */
 906 #define SET_CPC_INITIALIZER_STMT(C,S)                   \
 907   if (CPC_INITIALIZER_LIST (C))                         \
 908     TREE_PURPOSE (CPC_INITIALIZER_LIST (C)) = (S);
 909 #define SET_CPC_STATIC_INITIALIZER_STMT(C,S)                    \
 910   if (CPC_STATIC_INITIALIZER_LIST (C))                          \
 911     TREE_PURPOSE (CPC_STATIC_INITIALIZER_LIST (C)) = (S);
 912 #define SET_CPC_INSTANCE_INITIALIZER_STMT(C,S)                  \
 913   if (CPC_INSTANCE_INITIALIZER_LIST(C))                         \
 914     TREE_PURPOSE (CPC_INSTANCE_INITIALIZER_LIST (C)) = (S);
 915
 916 /* This is used by the lexer to communicate with the parser.  It is
 917    set on an integer constant if the radix is 10, so that the parser
 918    can correctly diagnose a numeric overflow.  */
 919 #define JAVA_RADIX10_FLAG(NODE) TREE_LANG_FLAG_0(NODE)
 920
 921 #ifndef JC1_LITE
 922 void java_complete_class PARAMS ((void));
 923 void java_check_circular_reference PARAMS ((void));
 924 void java_fix_constructors PARAMS ((void));
 925 void java_layout_classes PARAMS ((void));
 926 void java_reorder_fields PARAMS ((void));
 927 tree java_method_add_stmt PARAMS ((tree, tree));
 928 int java_report_errors PARAMS ((void));
 929 extern tree do_resolve_class PARAMS ((tree, tree, tree, tree));
 930 #endif
 931 char *java_get_line_col PARAMS ((const char *, int, int));
 932 extern void reset_report PARAMS ((void));
 933
 934 /* Always in use, no matter what you compile */
 935 void java_push_parser_context PARAMS ((void));
 936 void java_pop_parser_context PARAMS ((int));
 937 void java_init_lex PARAMS ((FILE *, const char *));
 938 extern void java_parser_context_save_global PARAMS ((void));
 939 extern void java_parser_context_restore_global PARAMS ((void));
 940 int yyparse PARAMS ((void));
 941 extern int java_parse PARAMS ((void));
 942 extern void yyerror PARAMS ((const char *))
 943 #ifdef JC1_LITE
 944 ATTRIBUTE_NORETURN
 945 #endif
 946 ;
 947 extern void java_expand_classes PARAMS ((void));
 948
 949 extern struct parser_ctxt *ctxp;
 950 extern struct parser_ctxt *ctxp_for_generation;
 951
 952 #endif /* ! GCC_JAVA_PARSE_H */