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, 2003
   3    Free Software Foundation, Inc.
   4    Contributed by Alexandre Petit-Bianco (apbianco@cygnus.com)
   5
   6 This file is part of GCC.
   7
   8 GCC is free software; you can redistribute it and/or modify
   9 it under the terms of the GNU General Public License as published by
  10 the Free Software Foundation; either version 2, or (at your option)
  11 any later version.
  12
  13 GCC is distributed in the hope that it will be useful,
  14 but WITHOUT ANY WARRANTY; without even the implied warranty of
  15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16 GNU General Public License for more details.
  17
  18 You should have received a copy of the GNU General Public License
  19 along with GCC; see the file COPYING.  If not, write to
  20 the Free Software Foundation, 59 Temple Place - Suite 330,
  21 Boston, MA 02111-1307, USA.
  22
  23 Java and all Java-based marks are trademarks or registered trademarks
  24 of Sun Microsystems, Inc. in the United States and other countries.
  25 The Free Software Foundation is independent of Sun Microsystems, Inc.  */
  26
  27 #ifndef GCC_JAVA_PARSE_H
  28 #define GCC_JAVA_PARSE_H
  29
  30 #include "lex.h"
  31
  32 /* Extern global variable declarations */
  33 extern int java_error_count;
  34 extern struct obstack temporary_obstack;
  35 extern int quiet_flag;
  36
  37 #ifndef JC1_LITE
  38 /* Function extern to java/ */
  39 extern int int_fits_type_p PARAMS ((tree, tree));
  40 extern tree stabilize_reference PARAMS ((tree));
  41 #endif
  42
  43 /* Macros for verbose debug info  */
  44 #ifdef  VERBOSE_SKELETON
  45 #define RULE( rule ) printf ( "jv_yacc:%d: rule %s\n", lineno, rule )
  46 #else
  47 #define RULE( rule )
  48 #endif
  49
  50 #ifdef VERBOSE_SKELETON
  51 #undef SOURCE_FRONTEND_DEBUG
  52 #define SOURCE_FRONTEND_DEBUG(X)                                \
  53   {if (!quiet_flag) {printf ("* "); printf X; putchar ('\n');} }
  54 #else
  55 #define SOURCE_FRONTEND_DEBUG(X)
  56 #endif
  57
  58 /* Macro for error recovering  */
  59 #ifdef YYDEBUG
  60 #define RECOVERED                                       \
  61   { if (!quiet_flag) {printf ("** Recovered\n");} }
  62 #define DRECOVERED(s)                                           \
  63   { if (!quiet_flag) {printf ("** Recovered (%s)\n", #s);}}
  64 #else
  65 #define RECOVERED
  66 #define DRECOVERED(s)
  67 #endif
  68
  69 #define DRECOVER(s) {yyerrok; DRECOVERED(s);}
  70 #define RECOVER     {yyerrok; RECOVERED;}
  71
  72 #define YYERROR_NOW ctxp->java_error_flag = 1
  73 #define YYNOT_TWICE if (ctxp->prevent_ese != lineno)
  74
  75 /* Accepted modifiers */
  76 #define CLASS_MODIFIERS ACC_PUBLIC|ACC_ABSTRACT|ACC_FINAL|ACC_STRICT
  77 #define FIELD_MODIFIERS ACC_PUBLIC|ACC_PROTECTED|ACC_PRIVATE|ACC_FINAL| \
  78                         ACC_STATIC|ACC_TRANSIENT|ACC_VOLATILE
  79 #define METHOD_MODIFIERS ACC_PUBLIC|ACC_PROTECTED|ACC_PRIVATE|ACC_ABSTRACT| \
  80                          ACC_STATIC|ACC_FINAL|ACC_SYNCHRONIZED|ACC_NATIVE| \
  81                          ACC_STRICT
  82 #define INTERFACE_MODIFIERS ACC_PUBLIC|ACC_ABSTRACT|ACC_STRICT
  83 #define INTERFACE_INNER_MODIFIERS ACC_PUBLIC|ACC_PROTECTED|ACC_ABSTRACT| \
  84                                   ACC_STATIC|ACC_PRIVATE
  85 #define INTERFACE_METHOD_MODIFIERS ACC_PUBLIC|ACC_ABSTRACT
  86 #define INTERFACE_FIELD_MODIFIERS ACC_PUBLIC|ACC_STATIC|ACC_FINAL
  87
  88 /* Getting a modifier WFL */
  89 #define MODIFIER_WFL(M)   (ctxp->modifier_ctx [(M) - PUBLIC_TK])
  90
  91 /* Check on modifiers */
  92 #define THIS_MODIFIER_ONLY(f, m, v, count, l)                           \
  93   if ((f) & (m))                                                        \
  94     {                                                                   \
  95       tree node = MODIFIER_WFL (v);                                     \
  96       if ((l)                                                           \
  97           && ((EXPR_WFL_COLNO (node) > EXPR_WFL_COLNO (l))              \
  98               || (EXPR_WFL_LINENO (node) > EXPR_WFL_LINENO (l))))       \
  99         l = node;                                                       \
 100       else if (!(l))                                                    \
 101         l = node;                                                       \
 102       count++;                                                          \
 103     }
 104
 105 #define ABSTRACT_CHECK(FLAG, V, CL, S)                          \
 106   if ((FLAG) & (V))                                             \
 107     parse_error_context ((CL), "%s method can't be abstract", (S));
 108
 109 #define JCONSTRUCTOR_CHECK(FLAG, V, CL, S)                      \
 110   if ((FLAG) & (V))                                             \
 111     parse_error_context ((CL), "Constructor can't be %s", (S)); \
 112
 113 /* Misc. */
 114 #define exit_java_complete_class()              \
 115   {                                             \
 116     return;                                     \
 117   }
 118
 119 #define CLASS_OR_INTERFACE(decl, s1, s2)                        \
 120    (decl ?                                                      \
 121     ((get_access_flags_from_decl (TYPE_NAME (TREE_TYPE (decl))) \
 122       & ACC_INTERFACE) ?                                        \
 123      s2 : s1) : ((s1 [0]=='S'|| s1 [0]=='s') ?                  \
 124                  (s1 [0]=='S' ? "Supertype" : "supertype") :    \
 125                  (s1 [0] > 'A' ? "Type" : "type")))
 126
 127 #define GET_REAL_TYPE(TYPE)                                     \
 128   (TREE_CODE (TYPE) == TREE_LIST ? TREE_PURPOSE (TYPE) : TYPE)
 129
 130 /* Get TYPE name string, regardless whether TYPE is a class or an
 131    array. */
 132 #define GET_TYPE_NAME(TYPE)                             \
 133   (TREE_CODE (TYPE_NAME (TYPE)) == IDENTIFIER_NODE ?    \
 134    IDENTIFIER_POINTER (TYPE_NAME (TYPE)) :              \
 135    IDENTIFIER_POINTER (DECL_NAME (TYPE_NAME (TYPE))))
 136
 137 /* Pedantic warning on obsolete modifiers. Note: when cl is NULL,
 138    flags was set artificially, such as for a interface method */
 139 #define OBSOLETE_MODIFIER_WARNING(cl, flags, __modifier, arg)                \
 140   {                                                                          \
 141     if (flag_redundant && (cl) && ((flags) & (__modifier)))                  \
 142       parse_warning_context (cl,                                             \
 143      "Discouraged redundant use of `%s' modifier in declaration of %s",      \
 144                              java_accstring_lookup (__modifier), arg);       \
 145   }
 146 #define OBSOLETE_MODIFIER_WARNING2(cl, flags, __modifier, arg1, arg2)        \
 147   {                                                                          \
 148     if (flag_redundant && (cl) && ((flags) & (__modifier)))                  \
 149       parse_warning_context (cl,                                             \
 150      "Discouraged redundant use of `%s' modifier in declaration of %s `%s'", \
 151                              java_accstring_lookup (__modifier), arg1, arg2);\
 152   }
 153
 154 /* Quickly build a temporary pointer on hypothetical type NAME. */
 155 #define BUILD_PTR_FROM_NAME(ptr, name)          \
 156   do {                                          \
 157     ptr = build (POINTER_TYPE, NULL_TREE);      \
 158     TYPE_NAME (ptr) = name;                     \
 159   } while (0)
 160
 161 #define INCOMPLETE_TYPE_P(NODE)                         \
 162   ((TREE_CODE (NODE) == POINTER_TYPE)                   \
 163    && !TREE_TYPE (NODE)                                 \
 164    && TREE_CODE (TYPE_NAME (NODE)) == IDENTIFIER_NODE)
 165
 166 /* Set the EMIT_LINE_NOTE flag of a EXPR_WLF to 1 if debug information
 167    are requested. Works in the context of a parser rule. */
 168 #define JAVA_MAYBE_GENERATE_DEBUG_INFO(node)            \
 169   (debug_info_level != DINFO_LEVEL_NONE ?               \
 170     EXPR_WFL_EMIT_LINE_NOTE (node) = 1, node : node)
 171
 172 /* Types classification, according to the JLS, section 4.2 */
 173 #define JFLOAT_TYPE_P(TYPE)      (TYPE && TREE_CODE ((TYPE)) == REAL_TYPE)
 174 #define JINTEGRAL_TYPE_P(TYPE)   ((TYPE)                                   \
 175                                   && (TREE_CODE ((TYPE)) == INTEGER_TYPE   \
 176                                       || TREE_CODE ((TYPE)) == CHAR_TYPE))
 177 #define JNUMERIC_TYPE_P(TYPE)    ((TYPE)                                \
 178                                   && (JFLOAT_TYPE_P ((TYPE))            \
 179                                       || JINTEGRAL_TYPE_P ((TYPE))))
 180 #define JPRIMITIVE_TYPE_P(TYPE)  ((TYPE)                                  \
 181                                   && (JNUMERIC_TYPE_P ((TYPE))            \
 182                                   || TREE_CODE ((TYPE)) == BOOLEAN_TYPE))
 183
 184 #define JBSC_TYPE_P(TYPE) ((TYPE) && (((TYPE) == byte_type_node)        \
 185                                       || ((TYPE) == short_type_node)    \
 186                                       || ((TYPE) == char_type_node)))
 187
 188 /* Not defined in the LRM */
 189 #define JSTRING_TYPE_P(TYPE) ((TYPE)                                       \
 190                               && ((TYPE) == string_type_node ||            \
 191                                   (TREE_CODE (TYPE) == POINTER_TYPE &&     \
 192                                    TREE_TYPE (TYPE) == string_type_node)))
 193 #define JSTRING_P(NODE) ((NODE)                                         \
 194                          && (TREE_CODE (NODE) == STRING_CST             \
 195                              || IS_CRAFTED_STRING_BUFFER_P (NODE)       \
 196                              || JSTRING_TYPE_P (TREE_TYPE (NODE))))
 197
 198 #define JREFERENCE_TYPE_P(TYPE) ((TYPE)                                       \
 199                                  && (TREE_CODE (TYPE) == RECORD_TYPE          \
 200                                      || (TREE_CODE (TYPE) == POINTER_TYPE     \
 201                                          &&  TREE_CODE (TREE_TYPE (TYPE)) ==  \
 202                                          RECORD_TYPE)))
 203 #define JNULLP_TYPE_P(TYPE) ((TYPE) && (TREE_CODE (TYPE) == POINTER_TYPE) \
 204                              && (TYPE) == TREE_TYPE (null_pointer_node))
 205
 206 /* Other predicates */
 207 #define JDECL_P(NODE) (NODE && (TREE_CODE (NODE) == PARM_DECL           \
 208                                 || TREE_CODE (NODE) == VAR_DECL         \
 209                                 || TREE_CODE (NODE) == FIELD_DECL))
 210
 211 #define TYPE_INTERFACE_P(TYPE)                                  \
 212   (CLASS_P (TYPE) && CLASS_INTERFACE (TYPE_NAME (TYPE)))
 213
 214 #define TYPE_CLASS_P(TYPE) (CLASS_P (TYPE)                              \
 215                             && !CLASS_INTERFACE (TYPE_NAME (TYPE)))
 216
 217 /* Identifier business related to 1.1 language extensions.  */
 218
 219 #define IDENTIFIER_INNER_CLASS_OUTER_FIELD_ACCESS(NODE) \
 220   (TREE_CODE (NODE) == IDENTIFIER_NODE &&               \
 221    IDENTIFIER_LENGTH (NODE) >= 8 &&                     \
 222    IDENTIFIER_POINTER (NODE)[7] != '0')
 223
 224 /* Build the string val$<O> and store it into N. The is used to
 225    construct the name of inner class hidden fields used to alias outer
 226    scope local variables.  */
 227 #define MANGLE_OUTER_LOCAL_VARIABLE_NAME(N, O)                          \
 228   {                                                                     \
 229     char *mangled_name;                                                 \
 230     obstack_grow (&temporary_obstack, "val$", 4);                       \
 231     obstack_grow (&temporary_obstack,                                   \
 232                   IDENTIFIER_POINTER ((O)), IDENTIFIER_LENGTH ((O)));   \
 233     obstack_1grow (&temporary_obstack, '\0');                           \
 234     mangled_name = obstack_finish (&temporary_obstack);                 \
 235     (N) = get_identifier (mangled_name);                                \
 236     obstack_free (&temporary_obstack, mangled_name);                    \
 237   }
 238
 239 /* Build the string parm$<O> and store in into the identifier N. This
 240    is used to construct the name of hidden parameters used to
 241    initialize outer scope aliases.  */
 242 #define MANGLE_ALIAS_INITIALIZER_PARAMETER_NAME_ID(N, O)                \
 243   {                                                                     \
 244     char *mangled_name;                                                 \
 245     obstack_grow (&temporary_obstack, "parm$", 5);                      \
 246     obstack_grow (&temporary_obstack,                                   \
 247                   IDENTIFIER_POINTER ((O)), IDENTIFIER_LENGTH ((O)));   \
 248     obstack_1grow (&temporary_obstack, '\0');                           \
 249     mangled_name = obstack_finish (&temporary_obstack);                 \
 250     (N) = get_identifier (mangled_name);                                \
 251     obstack_free (&temporary_obstack, mangled_name);                    \
 252   }
 253
 254 #define MANGLE_ALIAS_INITIALIZER_PARAMETER_NAME_STR(N, S)       \
 255   {                                                             \
 256     char *mangled_name;                                                 \
 257     obstack_grow (&temporary_obstack, "parm$", 5);              \
 258     obstack_grow (&temporary_obstack, (S), strlen ((S)));       \
 259     obstack_1grow (&temporary_obstack, '\0');                   \
 260     mangled_name = obstack_finish (&temporary_obstack);                 \
 261     (N) = get_identifier (mangled_name);                                \
 262     obstack_free (&temporary_obstack, mangled_name);                    \
 263   }
 264
 265 /* Skip THIS and artificial parameters found in function decl M and
 266    assign the result to C. We don't do that for $finit$, since it's
 267    knowingly called with artificial parms.  */
 268 #define SKIP_THIS_AND_ARTIFICIAL_PARMS(C,M)                     \
 269   {                                                             \
 270     int i;                                                      \
 271     (C) = TYPE_ARG_TYPES (TREE_TYPE ((M)));                     \
 272     if (!METHOD_STATIC ((M)))                                   \
 273       (C) = TREE_CHAIN (C);                                     \
 274     if (DECL_CONSTRUCTOR_P ((M))                                \
 275         && PURE_INNER_CLASS_TYPE_P (DECL_CONTEXT ((M))))        \
 276       (C) = TREE_CHAIN (C);                                     \
 277     if (!DECL_FINIT_P ((M)))                                    \
 278       for (i = DECL_FUNCTION_NAP ((M)); i; i--)                 \
 279        (C) = TREE_CHAIN (C);                                    \
 280   }
 281
 282 /* Mark final parameters in method M, by comparison of the argument
 283    list L. This macro is used to set the flag once the method has been
 284    build.  */
 285 #define MARK_FINAL_PARMS(M, L)                                          \
 286   {                                                                     \
 287     tree current = TYPE_ARG_TYPES (TREE_TYPE ((M)));                    \
 288     tree list = (L);                                                    \
 289     if (!METHOD_STATIC ((M)))                                           \
 290       current = TREE_CHAIN (current);                                   \
 291     for (; current !=  end_params_node;                                 \
 292          current = TREE_CHAIN (current), list = TREE_CHAIN (list))      \
 293       ARG_FINAL_P (current) = ARG_FINAL_P (list);                       \
 294     if (current != list)                                                \
 295       abort ();                                                         \
 296   }
 297
 298 /* Reset the ARG_FINAL_P that might have been set in method M args.  */
 299 #define UNMARK_FINAL_PARMS(M)                                           \
 300   {                                                                     \
 301     tree current;                                                       \
 302     for (current = TYPE_ARG_TYPES (TREE_TYPE ((M)));                    \
 303          current != end_params_node; current = TREE_CHAIN (current))    \
 304       ARG_FINAL_P (current) = 0;                                        \
 305   }
 306
 307 /* Reverse a crafted parameter list as required.  */
 308 #define CRAFTED_PARAM_LIST_FIXUP(P)             \
 309   {                                             \
 310     if ((P))                                    \
 311       {                                         \
 312         tree last = (P);                        \
 313         (P) = nreverse (P);                     \
 314         TREE_CHAIN (last) = end_params_node;    \
 315       }                                         \
 316     else                                        \
 317       (P) = end_params_node;                    \
 318   }
 319
 320 /* Modes governing the creation of a alias initializer parameter
 321    lists. AIPL stands for Alias Initializer Parameter List.  */
 322 enum {
 323   AIPL_FUNCTION_CREATION,         /* Suitable for artificial method creation */
 324   AIPL_FUNCTION_DECLARATION,      /* Suitable for declared methods */
 325   AIPL_FUNCTION_CTOR_INVOCATION,  /* Invocation of constructors */
 326   AIPL_FUNCTION_FINIT_INVOCATION  /* Invocation of $finit$ */
 327 };
 328
 329 /* Standard error messages */
 330 #define ERROR_CANT_CONVERT_TO_BOOLEAN(OPERATOR, NODE, TYPE)             \
 331   parse_error_context ((OPERATOR),                                      \
 332     "Incompatible type for `%s'. Can't convert `%s' to boolean",        \
 333     operator_string ((NODE)), lang_printable_name ((TYPE),0))
 334
 335 #define ERROR_CANT_CONVERT_TO_NUMERIC(OPERATOR, NODE, TYPE)             \
 336   parse_error_context ((OPERATOR),                                      \
 337       "Incompatible type for `%s'. Can't convert `%s' to numeric type", \
 338       operator_string ((NODE)), lang_printable_name ((TYPE), 0))
 339
 340 #define ERROR_CAST_NEEDED_TO_INTEGRAL(OPERATOR, NODE, TYPE)             \
 341 do {                                                                    \
 342   tree _operator = (OPERATOR), _node = (NODE), _type = (TYPE);          \
 343   if (JPRIMITIVE_TYPE_P (_type))                                        \
 344     parse_error_context (_operator,                                     \
 345 "Incompatible type for `%s'. Explicit cast needed to convert `%s' to integral",\
 346                          operator_string(_node),                        \
 347                          lang_printable_name (_type, 0));               \
 348   else                                                                  \
 349     parse_error_context (_operator,                                     \
 350       "Incompatible type for `%s'. Can't convert `%s' to integral",     \
 351                          operator_string(_node),                        \
 352                          lang_printable_name (_type, 0));               \
 353 } while (0)
 354
 355 #define ERROR_VARIABLE_NOT_INITIALIZED(WFL, V)                  \
 356   parse_error_context                                           \
 357     ((WFL), "Variable `%s' may not have been initialized",      \
 358      IDENTIFIER_POINTER (V))
 359
 360 /* Definition for loop handling. This is Java's own definition of a
 361    loop body. See parse.y for documentation. It's valid once you hold
 362    a loop's body (LOOP_EXPR_BODY) */
 363
 364 /* The loop main block is the one hold the condition and the loop body */
 365 #define LOOP_EXPR_BODY_MAIN_BLOCK(NODE) TREE_OPERAND (NODE, 0)
 366 /* And then there is the loop update block */
 367 #define LOOP_EXPR_BODY_UPDATE_BLOCK(NODE) TREE_OPERAND (NODE, 1)
 368
 369 /* Inside the loop main block, there is the loop condition and the
 370    loop body. They may be reversed if the loop being described is a
 371    do-while loop. NOTE: if you use a WFL around the EXIT_EXPR so you
 372    can issue debug info for it, the EXIT_EXPR will be one operand
 373    further. */
 374 #define LOOP_EXPR_BODY_CONDITION_EXPR(NODE, R)                  \
 375   TREE_OPERAND (LOOP_EXPR_BODY_MAIN_BLOCK (NODE), (R ? 1 : 0))
 376
 377 /* Here is the labeled block the loop real body is encapsulated in */
 378 #define LOOP_EXPR_BODY_LABELED_BODY(NODE, R)                    \
 379   TREE_OPERAND (LOOP_EXPR_BODY_MAIN_BLOCK (NODE), (R ? 0 : 1))
 380 /* And here is the loop's real body */
 381 #define LOOP_EXPR_BODY_BODY_EXPR(NODE, R)                       \
 382   LABELED_BLOCK_BODY (LOOP_EXPR_BODY_LABELED_BODY(NODE, R))
 383
 384 #define PUSH_LABELED_BLOCK(B)                           \
 385   {                                                     \
 386     TREE_CHAIN (B) = ctxp->current_labeled_block;       \
 387     ctxp->current_labeled_block = (B);                  \
 388   }
 389 #define POP_LABELED_BLOCK()                                             \
 390   ctxp->current_labeled_block = TREE_CHAIN (ctxp->current_labeled_block)
 391
 392 #define PUSH_LOOP(L)                            \
 393   {                                             \
 394     TREE_CHAIN (L) = ctxp->current_loop;        \
 395     ctxp->current_loop = (L);                   \
 396   }
 397 #define POP_LOOP() ctxp->current_loop = TREE_CHAIN (ctxp->current_loop)
 398
 399 #define PUSH_EXCEPTIONS(E)                                      \
 400   currently_caught_type_list =                                  \
 401     tree_cons (NULL_TREE, (E), currently_caught_type_list);
 402
 403 #define POP_EXCEPTIONS()                                                \
 404   currently_caught_type_list = TREE_CHAIN (currently_caught_type_list)
 405
 406 /* Check that we're inside a try block.  */
 407 #define IN_TRY_BLOCK_P()                                \
 408   (currently_caught_type_list                           \
 409    && ((TREE_VALUE (currently_caught_type_list) !=      \
 410         DECL_FUNCTION_THROWS (current_function_decl))   \
 411        || TREE_CHAIN (currently_caught_type_list)))
 412
 413 /* Check that we have exceptions in E.  */
 414 #define EXCEPTIONS_P(E) ((E) ? TREE_VALUE (E) : NULL_TREE)
 415
 416 /* Anonymous array access */
 417 #define ANONYMOUS_ARRAY_BASE_TYPE(N)   TREE_OPERAND ((N), 0)
 418 #define ANONYMOUS_ARRAY_DIMS_SIG(N)    TREE_OPERAND ((N), 1)
 419 #define ANONYMOUS_ARRAY_INITIALIZER(N) TREE_OPERAND ((N), 2)
 420
 421 /* Invocation modes, as returned by invocation_mode (). */
 422 enum {
 423   INVOKE_STATIC,
 424   INVOKE_NONVIRTUAL,
 425   INVOKE_SUPER,
 426   INVOKE_INTERFACE,
 427   INVOKE_VIRTUAL
 428 };
 429
 430 /* We need the resolution stuff only if we compile jc1 */
 431 #ifndef JC1_LITE
 432
 433 /* Unresolved type identifiers handling. When we process the source
 434    code, we blindly accept an unknown type identifier and try to
 435    resolve it later. When an unknown type identifier is encountered
 436    and used, we record in a struct jdep element what the incomplete
 437    type is and what it should patch. Later, java_complete_class will
 438    process all classes known to have unresolved type
 439    dependencies. Within each of these classes, this routine will
 440    process unresolved type dependencies (JDEP_TO_RESOLVE), patch what
 441    needs to be patched in the dependent tree node (JDEP_GET_PATCH,
 442    JDEP_APPLY_PATCH) and perform other actions dictated by the context
 443    of the patch (JDEP_KIND). The ideas are: we patch only what needs
 444    to be patched, and with java_complete_class called at the right
 445    time, we will start processing incomplete function bodies tree
 446    nodes with everything external to function's bodies already
 447    completed, it makes things much simpler. */
 448
 449 enum jdep_code {
 450   JDEP_NO_PATCH,                /* Must be first */
 451   JDEP_SUPER,                   /* Patch the type of one type
 452                                    supertype. Requires some check
 453                                    before it's done */
 454   JDEP_FIELD,                   /* Patch the type of a class field */
 455
 456   /* JDEP_{METHOD,METHOD_RETURN,METHOD_END} to be kept in order */
 457   JDEP_METHOD,                  /* Mark the beginning of the patching
 458                                    of a method declaration, including
 459                                    it's arguments */
 460   JDEP_METHOD_RETURN,           /* Mark the beginning of the patching
 461                                    of a method declaration. Arguments
 462                                    aren't patched, only the returned
 463                                    type is */
 464   JDEP_METHOD_END,              /* Mark the end of the patching of a
 465                                    method declaration. It indicates
 466                                    that it's time to compute and
 467                                    install a new signature */
 468
 469   JDEP_INTERFACE,               /* Patch the type of a Class/interface
 470                                    extension */
 471   JDEP_VARIABLE,                /* Patch the type of a variable declaration */
 472   JDEP_PARM,                    /* Patch the type of a parm declaration */
 473   JDEP_TYPE,                    /* Patch a random tree node type,
 474                                    without the need for any specific
 475                                    actions */
 476   JDEP_EXCEPTION,               /* Patch exceptions specified by `throws' */
 477   JDEP_ANONYMOUS                /* Patch anonymous classes
 478                                    (implementation or extension.) */
 479
 480 };
 481
 482 typedef struct _jdep {
 483   ENUM_BITFIELD(jdep_code) kind : 8; /* Type of patch */
 484
 485   int  flag0 : 1;               /* Some flags */
 486   tree decl;                    /* Tied decl/or WFL */
 487   tree solv;                    /* What to solve */
 488   tree wfl;                     /* Where thing to resolve where found */
 489   tree misc;                    /* Miscellaneous info (optional). */
 490   tree enclosing;               /* The enclosing (current) class */
 491   tree *patch;                  /* Address of a location to patch */
 492   struct _jdep *next;           /* Linked list */
 493 } jdep;
 494
 495
 496 #define JDEP_DECL(J)          ((J)->decl)
 497 #define JDEP_DECL_WFL(J)      ((J)->decl)
 498 #define JDEP_KIND(J)          ((J)->kind)
 499 #define JDEP_WFL(J)           ((J)->wfl)
 500 #define JDEP_MISC(J)          ((J)->misc)
 501 #define JDEP_ENCLOSING(J)     ((J)->enclosing)
 502 #define JDEP_CLASS(J)         ((J)->class)
 503 #define JDEP_APPLY_PATCH(J,P) (*(J)->patch = (P))
 504 #define JDEP_GET_PATCH(J)     ((J)->patch)
 505 #define JDEP_CHAIN(J)         ((J)->next)
 506 #define JDEP_TO_RESOLVE(J)    ((J)->solv)
 507 #define JDEP_RESOLVED_DECL(J) ((J)->solv)
 508 #define JDEP_RESOLVED(J, D)   ((J)->solv = D)
 509 #define JDEP_RESOLVED_P(J)    \
 510         (!(J)->solv || TREE_CODE ((J)->solv) != POINTER_TYPE)
 511
 512 typedef struct _jdeplist {
 513   jdep *first;
 514   jdep *last;
 515   struct _jdeplist *next;
 516 } jdeplist;
 517
 518 #endif /* JC1_LITE */
 519
 520 #define CLASSD_FIRST(CD) ((CD)->first)
 521 #define CLASSD_LAST(CD)  ((CD)->last)
 522 #define CLASSD_CHAIN(CD) ((CD)->next)
 523
 524 #define JDEP_INSERT(L,J)                        \
 525   {                                             \
 526     if (!(L)->first)                            \
 527       (L)->last = (L)->first = (J);             \
 528     else                                        \
 529       {                                         \
 530         JDEP_CHAIN ((L)->last) = (J);           \
 531         (L)->last = (J);                        \
 532       }                                         \
 533   }
 534
 535 /* if TYPE can't be resolved, obtain something suitable for its
 536    resolution (TYPE is saved in SAVE before being changed). and set
 537    CHAIN to 1. Otherwise, type is set to something usable. CHAIN is
 538    usually used to determine that a new DEP must be installed on TYPE.
 539    Note that when compiling java.lang.Object, references to Object are
 540    java.lang.Object.  */
 541 #define SET_TYPE_FOR_RESOLUTION(TYPE, SAVE, CHAIN)                      \
 542   {                                                                     \
 543     tree _returned_type;                                                \
 544     (CHAIN) = 0;                                                        \
 545     if (TREE_TYPE (GET_CPC ()) == object_type_node                      \
 546         && TREE_CODE (TYPE) == EXPR_WITH_FILE_LOCATION                  \
 547         && EXPR_WFL_NODE (TYPE) == unqualified_object_id_node)          \
 548       (TYPE) = object_type_node;                                        \
 549     else                                                                \
 550       {                                                                 \
 551         if (unresolved_type_p (type, &_returned_type))                  \
 552           {                                                             \
 553             if (_returned_type)                                         \
 554               (TYPE) = _returned_type;                                  \
 555             else                                                        \
 556               {                                                         \
 557                 tree _type;                                             \
 558                 WFL_STRIP_BRACKET (_type, TYPE);                        \
 559                 (SAVE) = (_type);                                       \
 560                 (TYPE) = obtain_incomplete_type (TYPE);                 \
 561                 CHAIN = 1;                                              \
 562               }                                                         \
 563           }                                                             \
 564       }                                                                 \
 565   }
 566
 567 #define WFL_STRIP_BRACKET(TARGET, TYPE)                                   \
 568 {                                                                         \
 569   tree __type = (TYPE);                                                   \
 570   if (TYPE && TREE_CODE (TYPE) == EXPR_WITH_FILE_LOCATION)                \
 571     {                                                                     \
 572       tree _node;                                                         \
 573       if (build_type_name_from_array_name (EXPR_WFL_NODE (TYPE), &_node)) \
 574         {                                                                 \
 575           tree _new = copy_node (TYPE);                                   \
 576           EXPR_WFL_NODE (_new) = _node;                                   \
 577           __type = _new;                                                  \
 578         }                                                                 \
 579     }                                                                     \
 580   (TARGET) = __type;                                                      \
 581 }
 582
 583 /* If NAME contains one or more trailing []s, NAMELEN will be the
 584    adjusted to be the index of the last non bracket character in
 585    NAME. ARRAY_DIMS will contain the number of []s found.  */
 586
 587 #define STRING_STRIP_BRACKETS(NAME, NAMELEN, ARRAY_DIMS)                  \
 588 {                                                                         \
 589   ARRAY_DIMS = 0;                                                         \
 590   while (NAMELEN >= 2 && (NAME)[NAMELEN - 1] == ']')                      \
 591     {                                                                     \
 592       NAMELEN -= 2;                                                       \
 593       (ARRAY_DIMS)++;                                                     \
 594     }                                                                     \
 595 }
 596
 597 /* Promote a type if it won't be registered as a patch */
 598 #define PROMOTE_RECORD_IF_COMPLETE(TYPE, IS_INCOMPLETE)         \
 599   {                                                             \
 600     if (!(IS_INCOMPLETE) && TREE_CODE (TYPE) == RECORD_TYPE)    \
 601       (TYPE) = promote_type (TYPE);                             \
 602   }
 603
 604 /* Insert a DECL in the current block */
 605 #define BLOCK_CHAIN_DECL(NODE)                                              \
 606   {                                                                         \
 607     TREE_CHAIN ((NODE)) =                                                   \
 608       BLOCK_EXPR_DECLS (GET_CURRENT_BLOCK (current_function_decl));         \
 609     BLOCK_EXPR_DECLS (GET_CURRENT_BLOCK (current_function_decl)) = (NODE);  \
 610   }
 611
 612 /* Return the current block, either found in the body of the currently
 613    declared function or in the current static block being defined. */
 614 #define GET_CURRENT_BLOCK(F) ((F) ? DECL_FUNCTION_BODY ((F)) :  \
 615                              current_static_block)
 616
 617 /* Merge an other line to the source line number of a decl. Used to
 618    remember function's end. */
 619 #define DECL_SOURCE_LINE_MERGE(DECL,NO) DECL_SOURCE_LINE(DECL) |= (NO << 16)
 620
 621 /* Retrieve those two info separately. */
 622 #define DECL_SOURCE_LINE_FIRST(DECL)    (DECL_SOURCE_LINE(DECL) & 0x0000ffff)
 623 #define DECL_SOURCE_LINE_LAST(DECL)     (DECL_SOURCE_LINE(DECL) >> 16)
 624
 625 /* Retrieve line/column from a WFL. */
 626 #define EXPR_WFL_GET_LINECOL(V,LINE,COL)        \
 627   {                                             \
 628      (LINE) = (V) >> 12;                        \
 629      (COL) = (V) & 0xfff;                       \
 630    }
 631 /* Add X to the column number information */
 632 #define EXPR_WFL_ADD_COL(V, X)                                  \
 633   (V) = (((V) & 0xfffff000) | ((((V) & 0xfff) + (X)) & 0xfff))
 634
 635 /* Build a WFL for expression nodes */
 636 #define BUILD_EXPR_WFL(NODE, WFL)                                       \
 637   build_expr_wfl ((NODE), input_filename, EXPR_WFL_LINENO ((WFL)),      \
 638                   EXPR_WFL_COLNO ((WFL)))
 639
 640 #define EXPR_WFL_QUALIFICATION(WFL) TREE_OPERAND ((WFL), 2)
 641 #define QUAL_WFL(NODE) TREE_PURPOSE (NODE)
 642 #define QUAL_RESOLUTION(NODE) TREE_VALUE (NODE)
 643 #define QUAL_DECL_TYPE(NODE) GET_SKIP_TYPE (NODE)
 644
 645 #define GET_SKIP_TYPE(NODE)                             \
 646   (TREE_CODE (TREE_TYPE (NODE)) == POINTER_TYPE ?       \
 647    TREE_TYPE (TREE_TYPE (NODE)): TREE_TYPE (NODE))
 648
 649 /* Handy macros for the walk operation */
 650 #define COMPLETE_CHECK_OP(NODE, N)                      \
 651 {                                                       \
 652   TREE_OPERAND ((NODE), (N)) =                          \
 653     java_complete_tree (TREE_OPERAND ((NODE), (N)));    \
 654   if (TREE_OPERAND ((NODE), (N)) == error_mark_node)    \
 655     return error_mark_node;                             \
 656 }
 657 #define COMPLETE_CHECK_OP_0(NODE) COMPLETE_CHECK_OP(NODE, 0)
 658 #define COMPLETE_CHECK_OP_1(NODE) COMPLETE_CHECK_OP(NODE, 1)
 659 #define COMPLETE_CHECK_OP_2(NODE) COMPLETE_CHECK_OP(NODE, 2)
 660
 661 /* Building invocations: append(ARG) and StringBuffer(ARG) */
 662 #define BUILD_APPEND(ARG)                                                     \
 663   ((JSTRING_TYPE_P (TREE_TYPE (ARG)) || JPRIMITIVE_TYPE_P (TREE_TYPE (ARG)))  \
 664    ? build_method_invocation (wfl_append,                                     \
 665                               ARG ? build_tree_list (NULL, (ARG)) : NULL_TREE)\
 666    : build_method_invocation (wfl_append,                                     \
 667                               ARG ? build_tree_list (NULL,                    \
 668                                                      build1 (CONVERT_EXPR,    \
 669                                                              object_type_node,\
 670                                                              (ARG)))          \
 671                               : NULL_TREE))
 672 #define BUILD_STRING_BUFFER(ARG)                                              \
 673   build_new_invocation (wfl_string_buffer,                                    \
 674                         (ARG ? build_tree_list (NULL, (ARG)) : NULL_TREE))
 675
 676 #define BUILD_THROW(WHERE, WHAT)                                \
 677   {                                                             \
 678     (WHERE) =                                                   \
 679       build (CALL_EXPR, void_type_node,                         \
 680              build_address_of (throw_node),                     \
 681              build_tree_list (NULL_TREE, (WHAT)), NULL_TREE);   \
 682     TREE_SIDE_EFFECTS ((WHERE)) = 1;                            \
 683   }
 684
 685 /* Set wfl_operator for the most accurate error location */
 686 #define SET_WFL_OPERATOR(WHICH, NODE, WFL)              \
 687   EXPR_WFL_LINECOL (WHICH) =                            \
 688     (TREE_CODE (WFL) == EXPR_WITH_FILE_LOCATION ?       \
 689      EXPR_WFL_LINECOL (WFL) : EXPR_WFL_LINECOL (NODE))
 690
 691 #define PATCH_METHOD_RETURN_ERROR()             \
 692   {                                             \
 693     if (ret_decl)                               \
 694       *ret_decl = NULL_TREE;                    \
 695     return error_mark_node;                     \
 696   }
 697
 698 /* Convenient macro to check. Assumes that CLASS is a CLASS_DECL.  */
 699 #define CHECK_METHODS(CLASS)                    \
 700   {                                             \
 701     if (CLASS_INTERFACE ((CLASS)))              \
 702       java_check_abstract_methods ((CLASS));    \
 703     else                                        \
 704       java_check_regular_methods ((CLASS));     \
 705   }
 706
 707 /* Using and reseting the @deprecated tag flag */
 708 #define CHECK_DEPRECATED(DECL)                  \
 709   {                                             \
 710     if (ctxp->deprecated)                       \
 711       DECL_DEPRECATED (DECL) = 1;               \
 712     ctxp->deprecated = 0;                       \
 713   }
 714
 715 /* Register an import */
 716 #define REGISTER_IMPORT(WHOLE, NAME)                                    \
 717 {                                                                       \
 718   IS_A_SINGLE_IMPORT_CLASSFILE_NAME_P ((NAME)) = 1;                     \
 719   ctxp->import_list = tree_cons ((WHOLE), (NAME), ctxp->import_list);   \
 720 }
 721
 722 /* Macro to access the osb (opening square bracket) count */
 723 #define CURRENT_OSB(C) (C)->osb_number [(C)->osb_depth]
 724
 725 /* Macro for the xreferencer */
 726 #define DECL_END_SOURCE_LINE(DECL)       (DECL_CHECK (DECL)->decl.u1.i)
 727 #define DECL_INHERITED_SOURCE_LINE(DECL) (DECL_CHECK (DECL)->decl.u2.i)
 728
 729 /* Parser context data structure. */
 730 struct parser_ctxt {
 731
 732   const char *filename;             /* Current filename */
 733   struct parser_ctxt *next;
 734
 735   java_lexer *lexer;                 /* Current lexer state */
 736   char marker_begining;              /* Marker. Should be a sub-struct */
 737   struct java_line *p_line, *c_line; /* Previous and current line */
 738   java_lc elc;                       /* Error's line column info */
 739   int ccb_indent;                    /* Keep track of {} indent, lexer */
 740   int first_ccb_indent1;             /* First { at ident level 1 */
 741   int last_ccb_indent1;              /* Last } at ident level 1 */
 742   int parser_ccb_indent;             /* Keep track of {} indent, parser */
 743   int osb_depth;                     /* Current depth of [ in an expression */
 744   int osb_limit;                     /* Limit of this depth */
 745   int *osb_number;                   /* Keep track of ['s */
 746   int lineno;                        /* Current lineno */
 747   char marker_end;                   /* End marker. Should be a sub-struct */
 748
 749   /* The flags section */
 750
 751   /* Indicates a context used for saving the parser status. The
 752      context must be popped when the status is restored. */
 753   unsigned saved_data_ctx:1;
 754   /* Indicates that a context already contains saved data and that the
 755      next save operation will require a new context to be created. */
 756   unsigned saved_data:1;
 757   /* Report error when true */
 758   unsigned java_error_flag:1;
 759   /* @deprecated tag seen */
 760   unsigned deprecated:1;
 761   /* Flag to report certain errors (fix this documentation. FIXME) */
 762   unsigned class_err:1;
 763
 764   /* This section is defined only if we compile jc1 */
 765 #ifndef JC1_LITE
 766   tree modifier_ctx [12];           /* WFL of modifiers */
 767   tree class_type;                  /* Current class */
 768   tree function_decl;               /* Current function decl, save/restore */
 769
 770   struct JCF *current_jcf;          /* CU jcf */
 771
 772   int prevent_ese;                  /* Prevent expression statement error */
 773
 774   int formal_parameter_number;      /* Number of parameters found */
 775   int interface_number;             /* # itfs declared to extend an itf def */
 776
 777   tree package;                     /* Defined package ID */
 778
 779   /* These two lists won't survive file traversal */
 780   tree  class_list;                 /* List of classes in a CU */
 781   jdeplist *classd_list;            /* Classe dependencies in a CU */
 782
 783   tree  current_parsed_class;       /* Class currently parsed */
 784   tree  current_parsed_class_un;    /* Curr. parsed class unqualified name */
 785
 786   tree non_static_initialized;      /* List of non static initialized fields */
 787   tree static_initialized;          /* List of static non final initialized */
 788   tree instance_initializers;       /* List of instance initializers stmts */
 789
 790   tree import_list;                 /* List of import */
 791   tree import_demand_list;          /* List of import on demand */
 792
 793   tree current_loop;                /* List of the currently nested
 794                                        loops/switches */
 795   tree current_labeled_block;       /* List of currently nested
 796                                        labeled blocks. */
 797
 798   int pending_block;                /* Pending block to close */
 799
 800   int explicit_constructor_p;       /* >0 when processing an explicit
 801                                        constructor. This flag is used to trap
 802                                        illegal argument usage during an
 803                                        explicit constructor invocation. */
 804 #endif /* JC1_LITE */
 805 };
 806
 807 /* A set of macros to push/pop/access the currently parsed class.  */
 808 #define GET_CPC_LIST()     ctxp->current_parsed_class
 809
 810 /* Currently class being parsed is an inner class if an enclosing
 811    class has been already pushed. This truth value is only valid prior
 812    an inner class is pushed. After, use FIXME. */
 813 #define CPC_INNER_P() GET_CPC_LIST ()
 814
 815 /* Get the currently parsed class DECL_TYPE node.  */
 816 #define GET_CPC() TREE_VALUE (GET_CPC_LIST ())
 817
 818 /* Get the currently parsed class unqualified IDENTIFIER_NODE.  */
 819 #define GET_CPC_UN() TREE_PURPOSE (GET_CPC_LIST ())
 820
 821 /* Get a parsed class unqualified IDENTIFIER_NODE from its CPC node.  */
 822 #define GET_CPC_UN_NODE(N) TREE_PURPOSE (N)
 823
 824 /* Get the currently parsed class DECL_TYPE from its CPC node.  */
 825 #define GET_CPC_DECL_NODE(N) TREE_VALUE (N)
 826
 827 /* The currently parsed enclosing currently parsed TREE_LIST node.  */
 828 #define GET_ENCLOSING_CPC() TREE_CHAIN (GET_CPC_LIST ())
 829
 830 /* Get the next enclosing context.  */
 831 #define GET_NEXT_ENCLOSING_CPC(C) TREE_CHAIN (C)
 832
 833 /* The DECL_TYPE node of the enclosing currently parsed
 834    class. NULL_TREE if the currently parsed class isn't an inner
 835    class.  */
 836 #define GET_ENCLOSING_CPC_CONTEXT() (GET_ENCLOSING_CPC () ?                   \
 837                                      TREE_VALUE (GET_ENCLOSING_CPC ()) :      \
 838                                      NULL_TREE)
 839
 840 /* Make sure that innerclass T sits in an appropriate enclosing
 841    context.  */
 842 #define INNER_ENCLOSING_SCOPE_CHECK(T)                                        \
 843   (INNER_CLASS_TYPE_P ((T)) && !ANONYMOUS_CLASS_P ((T))                       \
 844    && ((current_this                                                          \
 845         /* We have a this and it's not the right one */                       \
 846         && (DECL_CONTEXT (TYPE_NAME ((T)))                                    \
 847             != TYPE_NAME (TREE_TYPE (TREE_TYPE (current_this))))              \
 848         && !inherits_from_p (TREE_TYPE (TREE_TYPE (current_this)),            \
 849                              TREE_TYPE (DECL_CONTEXT (TYPE_NAME (T))))        \
 850         && !common_enclosing_context_p (TREE_TYPE (TREE_TYPE (current_this)), \
 851                                         (T))                                  \
 852         && INNER_CLASS_TYPE_P (TREE_TYPE (TREE_TYPE (current_this)))          \
 853         && !inherits_from_p                                                   \
 854               (TREE_TYPE (DECL_CONTEXT                                        \
 855                           (TYPE_NAME (TREE_TYPE (TREE_TYPE (current_this))))),\
 856                TREE_TYPE (DECL_CONTEXT (TYPE_NAME (T)))))                     \
 857        /* We don't have a this, which is OK if the current function is        \
 858           static. */                                                          \
 859        || (!current_this                                                      \
 860            && current_function_decl                                           \
 861            && ! METHOD_STATIC (current_function_decl))))
 862
 863 /* Push macro. First argument to PUSH_CPC is a DECL_TYPE, second
 864    argument is the unqualified currently parsed class name.  */
 865 #define PUSH_CPC(C,R) {                                         \
 866                         ctxp->current_parsed_class =            \
 867                         tree_cons ((R), (C), GET_CPC_LIST ());  \
 868                       }
 869
 870 /* In case of an error, push an error.  */
 871 #define PUSH_ERROR() PUSH_CPC (error_mark_node, error_mark_node)
 872
 873 /* Pop macro. Before we pop, we link the current inner class decl (if any)
 874    to its enclosing class.  */
 875 #define POP_CPC() {                                     \
 876                     link_nested_class_to_enclosing ();  \
 877                     ctxp->current_parsed_class =        \
 878                       TREE_CHAIN (GET_CPC_LIST ());     \
 879                   }
 880
 881 #define DEBUG_CPC()                                             \
 882   do                                                            \
 883     {                                                           \
 884       tree tmp =  ctxp->current_parsed_class;                   \
 885       while (tmp)                                               \
 886         {                                                       \
 887           fprintf (stderr, "%s ",                               \
 888                    IDENTIFIER_POINTER (TREE_PURPOSE (tmp)));    \
 889           tmp = TREE_CHAIN (tmp);                               \
 890         }                                                       \
 891     }                                                           \
 892   while (0);
 893
 894 /* Access to the various initializer statement lists */
 895 #define CPC_INITIALIZER_LIST(C)          ((C)->non_static_initialized)
 896 #define CPC_STATIC_INITIALIZER_LIST(C)   ((C)->static_initialized)
 897 #define CPC_INSTANCE_INITIALIZER_LIST(C) ((C)->instance_initializers)
 898
 899 /* Access to the various initializer statements */
 900 #define CPC_INITIALIZER_STMT(C) (TREE_PURPOSE (CPC_INITIALIZER_LIST (C)))
 901 #define CPC_STATIC_INITIALIZER_STMT(C) \
 902   (TREE_PURPOSE (CPC_STATIC_INITIALIZER_LIST (C)))
 903 #define CPC_INSTANCE_INITIALIZER_STMT(C) \
 904   (TREE_PURPOSE (CPC_INSTANCE_INITIALIZER_LIST (C)))
 905
 906 /* Set various initializer statements */
 907 #define SET_CPC_INITIALIZER_STMT(C,S)                   \
 908   if (CPC_INITIALIZER_LIST (C))                         \
 909     TREE_PURPOSE (CPC_INITIALIZER_LIST (C)) = (S);
 910 #define SET_CPC_STATIC_INITIALIZER_STMT(C,S)                    \
 911   if (CPC_STATIC_INITIALIZER_LIST (C))                          \
 912     TREE_PURPOSE (CPC_STATIC_INITIALIZER_LIST (C)) = (S);
 913 #define SET_CPC_INSTANCE_INITIALIZER_STMT(C,S)                  \
 914   if (CPC_INSTANCE_INITIALIZER_LIST(C))                         \
 915     TREE_PURPOSE (CPC_INSTANCE_INITIALIZER_LIST (C)) = (S);
 916
 917 /* This is used by the lexer to communicate with the parser.  It is
 918    set on an integer constant if the radix is 10, so that the parser
 919    can correctly diagnose a numeric overflow.  */
 920 #define JAVA_RADIX10_FLAG(NODE) TREE_LANG_FLAG_0(NODE)
 921
 922 #ifndef JC1_LITE
 923 void java_complete_class PARAMS ((void));
 924 void java_check_circular_reference PARAMS ((void));
 925 void java_fix_constructors PARAMS ((void));
 926 void java_layout_classes PARAMS ((void));
 927 void java_reorder_fields PARAMS ((void));
 928 tree java_method_add_stmt PARAMS ((tree, tree));
 929 int java_report_errors PARAMS ((void));
 930 extern tree do_resolve_class PARAMS ((tree, tree, tree, tree));
 931 #endif
 932 char *java_get_line_col PARAMS ((const char *, int, int));
 933 extern void reset_report PARAMS ((void));
 934
 935 /* Always in use, no matter what you compile */
 936 void java_push_parser_context PARAMS ((void));
 937 void java_pop_parser_context PARAMS ((int));
 938 void java_init_lex PARAMS ((FILE *, const char *));
 939 extern void java_parser_context_save_global PARAMS ((void));
 940 extern void java_parser_context_restore_global PARAMS ((void));
 941 int yyparse PARAMS ((void));
 942 extern int java_parse PARAMS ((void));
 943 extern void yyerror PARAMS ((const char *))
 944 #ifdef JC1_LITE
 945 ATTRIBUTE_NORETURN
 946 #endif
 947 ;
 948 extern void java_expand_classes PARAMS ((void));
 949
 950 extern struct parser_ctxt *ctxp;
 951 extern struct parser_ctxt *ctxp_for_generation;
 952
 953 #endif /* ! GCC_JAVA_PARSE_H */