/* Language parser definitions for the GNU compiler for the Java(TM) language.
- Copyright (C) 1997, 1998, 1999, 2000 Free Software Foundation, Inc.
+ Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
+ 2005, 2006, 2007 Free Software Foundation, Inc.
Contributed by Alexandre Petit-Bianco (apbianco@cygnus.com)
-This file is part of GNU CC.
+This file is part of GCC.
-GNU CC is free software; you can redistribute it and/or modify
+GCC is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
-the Free Software Foundation; either version 2, or (at your option)
+the Free Software Foundation; either version 3, or (at your option)
any later version.
-GNU CC is distributed in the hope that it will be useful,
+GCC is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
-along with GNU CC; see the file COPYING. If not, write to
-the Free Software Foundation, 59 Temple Place - Suite 330,
-Boston, MA 02111-1307, USA.
+along with GCC; see the file COPYING3. If not see
+<http://www.gnu.org/licenses/>.
Java and all Java-based marks are trademarks or registered trademarks
of Sun Microsystems, Inc. in the United States and other countries.
The Free Software Foundation is independent of Sun Microsystems, Inc. */
-#ifndef JV_LANG_H
-#define JV_LANG_H
-
-#include "lex.h"
+#ifndef GCC_JAVA_PARSE_H
+#define GCC_JAVA_PARSE_H
/* Extern global variable declarations */
-extern int java_error_count;
extern struct obstack temporary_obstack;
-extern struct obstack permanent_obstack;
extern int quiet_flag;
-#ifndef JC1_LITE
-/* Function extern to java/ */
-extern int int_fits_type_p PARAMS ((tree, tree));
-extern tree stabilize_reference PARAMS ((tree));
-#endif
-
-/* Macros for verbose debug info */
-#ifdef VERBOSE_SKELETON
-#define RULE( rule ) printf ( "jv_yacc:%d: rule %s\n", lineno, rule )
-#else
-#define RULE( rule )
-#endif
-
#ifdef VERBOSE_SKELETON
#undef SOURCE_FRONTEND_DEBUG
#define SOURCE_FRONTEND_DEBUG(X) \
#define SOURCE_FRONTEND_DEBUG(X)
#endif
-/* Macro for error recovering */
-#ifdef YYDEBUG
-#define RECOVERED \
- { if (!quiet_flag) {printf ("** Recovered\n");} }
-#define DRECOVERED(s) \
- { if (!quiet_flag) {printf ("** Recovered (%s)\n", #s);}}
-#else
-#define RECOVERED
-#define DRECOVERED(s)
-#endif
-
-#define DRECOVER(s) {yyerrok; DRECOVERED(s);}
-#define RECOVER {yyerrok; RECOVERED;}
-
-#define YYERROR_NOW ctxp->java_error_flag = 1
-#define YYNOT_TWICE if (ctxp->prevent_ese != lineno)
-
-/* Accepted modifiers */
-#define CLASS_MODIFIERS ACC_PUBLIC|ACC_ABSTRACT|ACC_FINAL
-#define FIELD_MODIFIERS ACC_PUBLIC|ACC_PROTECTED|ACC_PRIVATE|ACC_FINAL| \
- ACC_STATIC|ACC_TRANSIENT|ACC_VOLATILE
-#define METHOD_MODIFIERS ACC_PUBLIC|ACC_PROTECTED|ACC_PRIVATE|ACC_ABSTRACT| \
- ACC_STATIC|ACC_FINAL|ACC_SYNCHRONIZED|ACC_NATIVE
-#define INTERFACE_MODIFIERS ACC_PUBLIC|ACC_ABSTRACT
-#define INTERFACE_INNER_MODIFIERS ACC_PUBLIC|ACC_PROTECTED|ACC_PRIVATE|ACC_ABSTRACT|ACC_STATIC
-#define INTERFACE_METHOD_MODIFIERS ACC_PUBLIC|ACC_ABSTRACT
-#define INTERFACE_FIELD_MODIFIERS ACC_PUBLIC|ACC_STATIC|ACC_FINAL
-
-/* Getting a modifier WFL */
-#define MODIFIER_WFL(M) (ctxp->modifier_ctx [(M) - PUBLIC_TK])
-
-/* Check on modifiers */
-#define THIS_MODIFIER_ONLY(f, m, v, count, l) \
- if ((f) & (m)) \
- { \
- tree node = MODIFIER_WFL (v); \
- if ((l) \
- && ((EXPR_WFL_COLNO (node) > EXPR_WFL_COLNO (l)) \
- || (EXPR_WFL_LINENO (node) > EXPR_WFL_LINENO (l)))) \
- l = node; \
- else if (!(l)) \
- l = node; \
- count++; \
- }
-
-#define ABSTRACT_CHECK(FLAG, V, CL, S) \
- if ((FLAG) & (V)) \
- parse_error_context ((CL), "%s method can't be abstract", (S));
-
-#define JCONSTRUCTOR_CHECK(FLAG, V, CL, S) \
- if ((FLAG) & (V)) \
- parse_error_context ((CL), "Constructor can't be %s", (S)); \
-
-/* Misc. */
-#define exit_java_complete_class() \
- { \
- pop_obstacks (); \
- return; \
- }
-
-#define CLASS_OR_INTERFACE(decl, s1, s2) \
- (decl ? \
- ((get_access_flags_from_decl (TYPE_NAME (TREE_TYPE (decl))) \
- & ACC_INTERFACE) ? \
- s2 : s1) : ((s1 [0]=='S'|| s1 [0]=='s') ? \
- (s1 [0]=='S' ? "Supertype" : "supertype") : \
- (s1 [0] > 'A' ? "Type" : "type")))
-
-#define GET_REAL_TYPE(TYPE) \
- (TREE_CODE (TYPE) == TREE_LIST ? TREE_PURPOSE (TYPE) : TYPE)
-
-#define GET_METHOD_NAME(METHOD) \
- (TREE_CODE (DECL_NAME (METHOD)) == EXPR_WITH_FILE_LOCATION ? \
- EXPR_WFL_NODE (DECL_NAME (METHOD)) : DECL_NAME (METHOD))
-
-/* Get TYPE name string, regardless whether TYPE is a class or an
- array. */
-#define GET_TYPE_NAME(TYPE) \
- (TREE_CODE (TYPE_NAME (TYPE)) == IDENTIFIER_NODE ? \
- IDENTIFIER_POINTER (TYPE_NAME (TYPE)) : \
- IDENTIFIER_POINTER (DECL_NAME (TYPE_NAME (TYPE))))
-
-/* Pedantic warning on obsolete modifiers. Note: when cl is NULL,
- flags was set artificially, such as for a interface method */
-#define OBSOLETE_MODIFIER_WARNING(cl, flags, __modifier, arg) \
- { \
- if (flag_redundant && (cl) && ((flags) & (__modifier))) \
- parse_warning_context (cl, \
- "Discouraged redundant use of `%s' modifier in declaration of %s", \
- java_accstring_lookup (__modifier), arg); \
- }
-#define OBSOLETE_MODIFIER_WARNING2(cl, flags, __modifier, arg1, arg2) \
- { \
- if (flag_redundant && (cl) && ((flags) & (__modifier))) \
- parse_warning_context (cl, \
- "Discouraged redundant use of `%s' modifier in declaration of %s `%s'", \
- java_accstring_lookup (__modifier), arg1, arg2);\
- }
-
-/* Quickly build a temporary pointer on hypothetical type NAME. */
-#define BUILD_PTR_FROM_NAME(ptr, name) \
- { \
- ptr = build (POINTER_TYPE, NULL_TREE); \
- TYPE_NAME (ptr) = name; \
- }
-
-#define INCOMPLETE_TYPE_P(NODE) \
- ((TREE_CODE (NODE) == POINTER_TYPE) \
- && !TREE_TYPE (NODE) \
- && TREE_CODE (TYPE_NAME (NODE)) == IDENTIFIER_NODE)
-
-/* Set the EMIT_LINE_NOTE flag of a EXPR_WLF to 1 if debug information
- are requested. Works in the context of a parser rule. */
-#define JAVA_MAYBE_GENERATE_DEBUG_INFO(node) \
- (debug_info_level != DINFO_LEVEL_NONE ? \
- EXPR_WFL_EMIT_LINE_NOTE (node) = 1, node : node)
-
/* Types classification, according to the JLS, section 4.2 */
#define JFLOAT_TYPE_P(TYPE) (TYPE && TREE_CODE ((TYPE)) == REAL_TYPE)
#define JINTEGRAL_TYPE_P(TYPE) ((TYPE) \
- && (TREE_CODE ((TYPE)) == INTEGER_TYPE \
- || TREE_CODE ((TYPE)) == CHAR_TYPE))
+ && (TREE_CODE ((TYPE)) == INTEGER_TYPE))
#define JNUMERIC_TYPE_P(TYPE) ((TYPE) \
&& (JFLOAT_TYPE_P ((TYPE)) \
|| JINTEGRAL_TYPE_P ((TYPE))))
&& (JNUMERIC_TYPE_P ((TYPE)) \
|| TREE_CODE ((TYPE)) == BOOLEAN_TYPE))
-#define JBSC_TYPE_P(TYPE) ((TYPE) && (((TYPE) == byte_type_node) \
- || ((TYPE) == short_type_node) \
- || ((TYPE) == char_type_node)))
-
/* Not defined in the LRM */
#define JSTRING_TYPE_P(TYPE) ((TYPE) \
&& ((TYPE) == string_type_node || \
(TREE_CODE (TYPE) == POINTER_TYPE && \
TREE_TYPE (TYPE) == string_type_node)))
-#define JSTRING_P(NODE) ((NODE) \
- && (TREE_CODE (NODE) == STRING_CST \
- || IS_CRAFTED_STRING_BUFFER_P (NODE) \
- || JSTRING_TYPE_P (TREE_TYPE (NODE))))
-
#define JREFERENCE_TYPE_P(TYPE) ((TYPE) \
&& (TREE_CODE (TYPE) == RECORD_TYPE \
|| (TREE_CODE (TYPE) == POINTER_TYPE \
&& TREE_CODE (TREE_TYPE (TYPE)) == \
RECORD_TYPE)))
-#define JNULLP_TYPE_P(TYPE) ((TYPE) && (TREE_CODE (TYPE) == POINTER_TYPE) \
- && (TYPE) == TREE_TYPE (null_pointer_node))
-
-/* Other predicates */
-#define JDECL_P(NODE) (NODE && (TREE_CODE (NODE) == PARM_DECL \
- || TREE_CODE (NODE) == VAR_DECL \
- || TREE_CODE (NODE) == FIELD_DECL))
-
-#define TYPE_INTERFACE_P(TYPE) \
- (CLASS_P (TYPE) && CLASS_INTERFACE (TYPE_NAME (TYPE)))
-
-#define TYPE_CLASS_P(TYPE) (CLASS_P (TYPE) \
- && !CLASS_INTERFACE (TYPE_NAME (TYPE)))
-
-/* Identifier business related to 1.1 language extensions. */
-
-#define IDENTIFIER_INNER_CLASS_OUTER_FIELD_ACCESS(NODE) \
- (TREE_CODE (NODE) == IDENTIFIER_NODE && \
- IDENTIFIER_LENGTH (NODE) >= 8 && \
- IDENTIFIER_POINTER (NODE)[7] != '0')
-
-/* Build the string val$<O> and store it into N. The is used to
- construct the name of inner class hidden fields used to alias outer
- scope local variables. */
-#define MANGLE_OUTER_LOCAL_VARIABLE_NAME(N, O) \
- { \
- obstack_grow (&temporary_obstack, "val$", 4); \
- obstack_grow (&temporary_obstack, \
- IDENTIFIER_POINTER ((O)), IDENTIFIER_LENGTH ((O))); \
- obstack_1grow (&temporary_obstack, '\0'); \
- (N) = obstack_finish (&temporary_obstack); \
- }
-
-/* Build the string parm$<O> and store in into the identifier N. This
- is used to contruct the name of hidden parameters used to
- initialize outer scope aliases. */
-#define MANGLE_ALIAS_INITIALIZER_PARAMETER_NAME_ID(N, O) \
- { \
- obstack_grow (&temporary_obstack, "parm$", 5); \
- obstack_grow (&temporary_obstack, \
- IDENTIFIER_POINTER ((O)), IDENTIFIER_LENGTH ((O))); \
- obstack_1grow (&temporary_obstack, '\0'); \
- (N) = obstack_finish (&temporary_obstack); \
- }
-
-#define MANGLE_ALIAS_INITIALIZER_PARAMETER_NAME_STR(N, S) \
- { \
- obstack_grow (&temporary_obstack, "parm$", 5); \
- obstack_grow (&temporary_obstack, (S), strlen ((S))); \
- obstack_1grow (&temporary_obstack, '\0'); \
- (N) = obstack_finish (&temporary_obstack); \
- }
-
-/* Skip THIS and artificial parameters found in function decl M and
- assign the result to C. We don't do that for $finit$, since it's
- knowingly called with artificial parms. */
-#define SKIP_THIS_AND_ARTIFICIAL_PARMS(C,M) \
- { \
- int i; \
- (C) = TYPE_ARG_TYPES (TREE_TYPE ((M))); \
- if (!METHOD_STATIC ((M))) \
- (C) = TREE_CHAIN (C); \
- if (DECL_CONSTRUCTOR_P ((M)) \
- && PURE_INNER_CLASS_TYPE_P (DECL_CONTEXT ((M)))) \
- (C) = TREE_CHAIN (C); \
- if (!DECL_FINIT_P ((M))) \
- for (i = DECL_FUNCTION_NAP ((M)); i; i--) \
- (C) = TREE_CHAIN (C); \
- }
-
-/* Mark final parameters in method M, by comparison of the argument
- list L. This macro is used to set the flag once the method has been
- build. */
-#define MARK_FINAL_PARMS(M, L) \
- { \
- tree current = TYPE_ARG_TYPES (TREE_TYPE ((M))); \
- tree list = (L); \
- if (!METHOD_STATIC ((M))) \
- current = TREE_CHAIN (current); \
- for (; current != end_params_node; \
- current = TREE_CHAIN (current), list = TREE_CHAIN (list)) \
- ARG_FINAL_P (current) = ARG_FINAL_P (list); \
- if (current != list) \
- fatal ("MARK_FINAL_PARMS"); \
- }
-
-/* Reset the ARG_FINAL_P that might have been set in method M args. */
-#define UNMARK_FINAL_PARMS(M) \
- { \
- tree current; \
- for (current = TYPE_ARG_TYPES (TREE_TYPE ((M))); \
- current != end_params_node; current = TREE_CHAIN (current)) \
- ARG_FINAL_P (current) = 0; \
- }
-
-/* Reverse a crafted parameter list as required. */
-#define CRAFTED_PARAM_LIST_FIXUP(P) \
- { \
- if ((P)) \
- { \
- tree last = (P); \
- (P) = nreverse (P); \
- TREE_CHAIN (last) = end_params_node; \
- } \
- else \
- (P) = end_params_node; \
- }
-
-/* Modes governing the creation of a alias initializer parameter
- lists. AIPL stands for Alias Initializer Parameter List. */
-enum {
- AIPL_FUNCTION_CREATION, /* Suitable for artificial method creation */
- AIPL_FUNCTION_DECLARATION, /* Suitable for declared methods */
- AIPL_FUNCTION_CTOR_INVOCATION, /* Invocation of constructors */
- AIPL_FUNCTION_FINIT_INVOCATION /* Invocation of $finit$ */
-};
-
-/* Standard error messages */
-#define ERROR_CANT_CONVERT_TO_BOOLEAN(OPERATOR, NODE, TYPE) \
- parse_error_context ((OPERATOR), \
- "Incompatible type for `%s'. Can't convert `%s' to boolean", \
- operator_string ((NODE)), lang_printable_name ((TYPE),0))
-
-#define ERROR_CANT_CONVERT_TO_NUMERIC(OPERATOR, NODE, TYPE) \
- parse_error_context ((OPERATOR), \
- "Incompatible type for `%s'. Can't convert `%s' to numeric type", \
- operator_string ((NODE)), lang_printable_name ((TYPE), 0))
-
-#define ERROR_CAST_NEEDED_TO_INTEGRAL(OPERATOR, NODE, TYPE) \
-do { \
- tree _operator = (OPERATOR), _node = (NODE), _type = (TYPE); \
- if (JPRIMITIVE_TYPE_P (_type)) \
- parse_error_context (_operator, \
-"Incompatible type for `%s'. Explicit cast needed to convert `%s' to integral",\
- operator_string(_node), \
- lang_printable_name (_type, 0)); \
- else \
- parse_error_context (_operator, \
- "Incompatible type for `%s'. Can't convert `%s' to integral", \
- operator_string(_node), \
- lang_printable_name (_type, 0)); \
-} while (0)
-
-#define ERROR_VARIABLE_NOT_INITIALIZED(WFL, V) \
- parse_error_context \
- ((WFL), "Variable `%s' may not have been initialized", \
- IDENTIFIER_POINTER (V))
-
-/* Definition for loop handling. This is Java's own definition of a
- loop body. See parse.y for documentation. It's valid once you hold
- a loop's body (LOOP_EXPR_BODY) */
-
-/* The loop main block is the one hold the condition and the loop body */
-#define LOOP_EXPR_BODY_MAIN_BLOCK(NODE) TREE_OPERAND (NODE, 0)
-/* And then there is the loop update block */
-#define LOOP_EXPR_BODY_UPDATE_BLOCK(NODE) TREE_OPERAND (NODE, 1)
-
-/* Inside the loop main block, there is the loop condition and the
- loop body. They may be reversed if the loop being described is a
- do-while loop. NOTE: if you use a WFL around the EXIT_EXPR so you
- can issue debug info for it, the EXIT_EXPR will be one operand
- further. */
-#define LOOP_EXPR_BODY_CONDITION_EXPR(NODE, R) \
- TREE_OPERAND (LOOP_EXPR_BODY_MAIN_BLOCK (NODE), (R ? 1 : 0))
-
-/* Here is the labeled block the loop real body is encapsulated in */
-#define LOOP_EXPR_BODY_LABELED_BODY(NODE, R) \
- TREE_OPERAND (LOOP_EXPR_BODY_MAIN_BLOCK (NODE), (R ? 0 : 1))
-/* And here is the loop's real body */
-#define LOOP_EXPR_BODY_BODY_EXPR(NODE, R) \
- LABELED_BLOCK_BODY (LOOP_EXPR_BODY_LABELED_BODY(NODE, R))
-
-#define PUSH_LABELED_BLOCK(B) \
- { \
- TREE_CHAIN (B) = ctxp->current_labeled_block; \
- ctxp->current_labeled_block = (B); \
- }
-#define POP_LABELED_BLOCK() \
- ctxp->current_labeled_block = TREE_CHAIN (ctxp->current_labeled_block)
-
-#define PUSH_LOOP(L) \
- { \
- TREE_CHAIN (L) = ctxp->current_loop; \
- ctxp->current_loop = (L); \
- }
-#define POP_LOOP() ctxp->current_loop = TREE_CHAIN (ctxp->current_loop)
-
-#define PUSH_EXCEPTIONS(E) \
- currently_caught_type_list = \
- tree_cons (NULL_TREE, (E), currently_caught_type_list);
-
-#define POP_EXCEPTIONS() \
- currently_caught_type_list = TREE_CHAIN (currently_caught_type_list)
-
-/* Check that we're inside a try block. */
-#define IN_TRY_BLOCK_P() \
- (currently_caught_type_list \
- && ((TREE_VALUE (currently_caught_type_list) != \
- DECL_FUNCTION_THROWS (current_function_decl)) \
- || TREE_CHAIN (currently_caught_type_list)))
-
-/* Check that we have exceptions in E. */
-#define EXCEPTIONS_P(E) ((E) ? TREE_VALUE (E) : NULL_TREE)
-
-/* Anonymous array access */
-#define ANONYMOUS_ARRAY_BASE_TYPE(N) TREE_OPERAND ((N), 0)
-#define ANONYMOUS_ARRAY_DIMS_SIG(N) TREE_OPERAND ((N), 1)
-#define ANONYMOUS_ARRAY_INITIALIZER(N) TREE_OPERAND ((N), 2)
-
-/* Invocation modes, as returned by invocation_mode (). */
-enum {
- INVOKE_STATIC,
- INVOKE_NONVIRTUAL,
- INVOKE_SUPER,
- INVOKE_INTERFACE,
- INVOKE_VIRTUAL
-};
-
-/* We need the resolution stuff only if we compile jc1 */
-#ifndef JC1_LITE
-
-/* Unresolved type identifiers handling. When we process the source
- code, we blindly accept an unknown type identifier and try to
- resolve it later. When an unknown type identifier is encountered
- and used, we record in a struct jdep element what the incomplete
- type is and what it should patch. Later, java_complete_class will
- process all classes known to have unresolved type
- dependencies. Within each of these classes, this routine will
- process unresolved type dependencies (JDEP_TO_RESOLVE), patch what
- needs to be patched in the dependent tree node (JDEP_GET_PATCH,
- JDEP_APPLY_PATCH) and perform other actions dictated by the context
- of the patch (JDEP_KIND). The ideas are: we patch only what needs
- to be patched, and with java_complete_class called at the right
- time, we will start processing incomplete function bodies tree
- nodes with everything external to function's bodies already
- completed, it makes things much simpler. */
-
-enum jdep_code {
- JDEP_NO_PATCH, /* Must be first */
- JDEP_SUPER, /* Patch the type of one type
- supertype. Requires some check
- before it's done */
- JDEP_FIELD, /* Patch the type of a class field */
-
- /* JDEP_{METHOD,METHOD_RETURN,METHOD_END} to be kept in order */
- JDEP_METHOD, /* Mark the beginning of the patching
- of a method declaration, including
- it's arguments */
- JDEP_METHOD_RETURN, /* Mark the beginning of the patching
- of a method declaration. Arguments
- aren't patched, only the returned
- type is */
- JDEP_METHOD_END, /* Mark the end of the patching of a
- method declaration. It indicates
- that it's time to compute and
- install a new signature */
-
- JDEP_INTERFACE, /* Patch the type of a Class/interface
- extension */
- JDEP_VARIABLE, /* Patch the type of a variable declaration */
- JDEP_PARM, /* Patch the type of a parm declaration */
- JDEP_TYPE, /* Patch a random tree node type,
- without the need for any specific
- actions */
- JDEP_EXCEPTION, /* Patch exceptions specified by `throws' */
- JDEP_ANONYMOUS /* Patch anonymous classes
- (implementation or extension.) */
-
-};
-
-typedef struct _jdep {
- ENUM_BITFIELD(jdep_code) kind : 8; /* Type of patch */
-
- int flag0 : 1; /* Some flags */
- tree decl; /* Tied decl/or WFL */
- tree solv; /* What to solve */
- tree wfl; /* Where thing to resolve where found */
- tree misc; /* Miscellaneous info (optional). */
- tree enclosing; /* The enclosing (current) class */
- tree *patch; /* Address of a location to patch */
- struct _jdep *next; /* Linked list */
-} jdep;
-
-#define JDEP_DECL(J) ((J)->decl)
-#define JDEP_DECL_WFL(J) ((J)->decl)
-#define JDEP_KIND(J) ((J)->kind)
-#define JDEP_SOLV(J) ((J)->solv)
-#define JDEP_WFL(J) ((J)->wfl)
-#define JDEP_MISC(J) ((J)->misc)
-#define JDEP_ENCLOSING(J) ((J)->enclosing)
-#define JDEP_CLASS(J) ((J)->class)
-#define JDEP_APPLY_PATCH(J,P) (*(J)->patch = (P))
-#define JDEP_GET_PATCH(J) ((J)->patch)
-#define JDEP_CHAIN(J) ((J)->next)
-#define JDEP_TO_RESOLVE(J) ((J)->solv)
-#define JDEP_RESOLVED_DECL(J) ((J)->solv)
-#define JDEP_RESOLVED(J, D) ((J)->solv = D)
-#define JDEP_RESOLVED_P(J) \
- (!(J)->solv || TREE_CODE ((J)->solv) != POINTER_TYPE)
-
-typedef struct _jdeplist {
- jdep *first;
- jdep *last;
- struct _jdeplist *next;
-} jdeplist;
-
-#endif /* JC1_LITE */
-
-#define CLASSD_FIRST(CD) ((CD)->first)
-#define CLASSD_LAST(CD) ((CD)->last)
-#define CLASSD_CHAIN(CD) ((CD)->next)
-
-#define JDEP_INSERT(L,J) \
- { \
- if (!(L)->first) \
- (L)->last = (L)->first = (J); \
- else \
- { \
- JDEP_CHAIN ((L)->last) = (J); \
- (L)->last = (J); \
- } \
- }
-
-/* if TYPE can't be resolved, obtain something suitable for its
- resolution (TYPE is saved in SAVE before being changed). and set
- CHAIN to 1. Otherwise, type is set to something usable. CHAIN is
- usually used to determine that a new DEP must be installed on TYPE.
- Note that when compiling java.lang.Object, references to Object are
- java.lang.Object. */
-#define SET_TYPE_FOR_RESOLUTION(TYPE, SAVE, CHAIN) \
- { \
- tree returned_type; \
- (CHAIN) = 0; \
- if (TREE_TYPE (ctxp->current_parsed_class) == object_type_node \
- && TREE_CODE (TYPE) == EXPR_WITH_FILE_LOCATION \
- && EXPR_WFL_NODE (TYPE) == unqualified_object_id_node) \
- (TYPE) = object_type_node; \
- else \
- { \
- if (unresolved_type_p (type, &returned_type)) \
- { \
- if (returned_type) \
- (TYPE) = returned_type; \
- else \
- { \
- (SAVE) = (TYPE); \
- (TYPE) = obtain_incomplete_type (TYPE); \
- CHAIN = 1; \
- } \
- } \
- } \
- }
-/* Promote a type if it won't be registered as a patch */
-#define PROMOTE_RECORD_IF_COMPLETE(TYPE, IS_INCOMPLETE) \
- { \
- if (!(IS_INCOMPLETE) && TREE_CODE (TYPE) == RECORD_TYPE) \
- (TYPE) = promote_type (TYPE); \
- }
-
-/* Insert a DECL in the current block */
-#define BLOCK_CHAIN_DECL(NODE) \
- { \
- TREE_CHAIN ((NODE)) = \
- BLOCK_EXPR_DECLS (GET_CURRENT_BLOCK (current_function_decl)); \
- BLOCK_EXPR_DECLS (GET_CURRENT_BLOCK (current_function_decl)) = (NODE); \
- }
-
-/* Return the current block, either found in the body of the currently
- declared function or in the current static block being defined. */
-#define GET_CURRENT_BLOCK(F) ((F) ? DECL_FUNCTION_BODY ((F)) : \
- current_static_block)
-
-/* For an artificial BLOCK (created to house a local variable declaration not
- at the start of an existing block), the parent block; otherwise NULL. */
-#define BLOCK_EXPR_ORIGIN(NODE) BLOCK_ABSTRACT_ORIGIN(NODE)
-
-/* Merge an other line to the source line number of a decl. Used to
- remember function's end. */
-#define DECL_SOURCE_LINE_MERGE(DECL,NO) DECL_SOURCE_LINE(DECL) |= (NO << 16)
-
-/* Retrieve those two info separately. */
-#define DECL_SOURCE_LINE_FIRST(DECL) (DECL_SOURCE_LINE(DECL) & 0x0000ffff)
-#define DECL_SOURCE_LINE_LAST(DECL) (DECL_SOURCE_LINE(DECL) >> 16)
-
-/* Retrieve line/column from a WFL. */
-#define EXPR_WFL_GET_LINECOL(V,LINE,COL) \
- { \
- (LINE) = (V) >> 12; \
- (COL) = (V) & 0xfff; \
- }
-/* Add X to the column number information */
-#define EXPR_WFL_ADD_COL(V, X) \
- (V) = (((V) & 0xfffff000) | ((((V) & 0xfff) + (X)) & 0xfff))
-
-/* Build a WFL for expression nodes */
-#define BUILD_EXPR_WFL(NODE, WFL) \
- build_expr_wfl ((NODE), input_filename, EXPR_WFL_LINENO ((WFL)), \
- EXPR_WFL_COLNO ((WFL)))
-
-#define EXPR_WFL_QUALIFICATION(WFL) TREE_OPERAND ((WFL), 2)
-#define QUAL_WFL(NODE) TREE_PURPOSE (NODE)
-#define QUAL_RESOLUTION(NODE) TREE_VALUE (NODE)
-#define QUAL_DECL_TYPE(NODE) GET_SKIP_TYPE (NODE)
-
-#define GET_SKIP_TYPE(NODE) \
- (TREE_CODE (TREE_TYPE (NODE)) == POINTER_TYPE ? \
- TREE_TYPE (TREE_TYPE (NODE)): TREE_TYPE (NODE))
-
-/* Handy macros for the walk operation */
-#define COMPLETE_CHECK_OP(NODE, N) \
-{ \
- TREE_OPERAND ((NODE), (N)) = \
- java_complete_tree (TREE_OPERAND ((NODE), (N))); \
- if (TREE_OPERAND ((NODE), (N)) == error_mark_node) \
- return error_mark_node; \
-}
-#define COMPLETE_CHECK_OP_0(NODE) COMPLETE_CHECK_OP(NODE, 0)
-#define COMPLETE_CHECK_OP_1(NODE) COMPLETE_CHECK_OP(NODE, 1)
-#define COMPLETE_CHECK_OP_2(NODE) COMPLETE_CHECK_OP(NODE, 2)
-
-/* Building invocations: append(ARG) and StringBuffer(ARG) */
-#define BUILD_APPEND(ARG) \
- ((JSTRING_TYPE_P (TREE_TYPE (ARG)) || JPRIMITIVE_TYPE_P (TREE_TYPE (ARG))) \
- ? build_method_invocation (wfl_append, \
- ARG ? build_tree_list (NULL, (ARG)) : NULL_TREE)\
- : build_method_invocation (wfl_append, \
- ARG ? build_tree_list (NULL, \
- build1 (CONVERT_EXPR, \
- object_type_node,\
- (ARG))) \
- : NULL_TREE))
-#define BUILD_STRING_BUFFER(ARG) \
- build_new_invocation (wfl_string_buffer, \
- (ARG ? build_tree_list (NULL, (ARG)) : NULL_TREE))
-
-/* For exception handling, build diverse function calls */
-#define BUILD_ASSIGN_EXCEPTION_INFO(WHERE, TO) \
- { \
- (WHERE) = build (MODIFY_EXPR, void_type_node, (TO), \
- soft_exceptioninfo_call_node); \
- TREE_SIDE_EFFECTS (WHERE) = 1; \
- }
-
-#define BUILD_THROW(WHERE, WHAT) \
- { \
- (WHERE) = \
- build (CALL_EXPR, void_type_node, \
- build_address_of (throw_node[exceptions_via_longjmp ? 1 : 0]), \
- build_tree_list (NULL_TREE, (WHAT)), NULL_TREE); \
- TREE_SIDE_EFFECTS ((WHERE)) = 1; \
- }
-
-/* Set wfl_operator for the most accurate error location */
-#define SET_WFL_OPERATOR(WHICH, NODE, WFL) \
- EXPR_WFL_LINECOL (WHICH) = \
- (TREE_CODE (WFL) == EXPR_WITH_FILE_LOCATION ? \
- EXPR_WFL_LINECOL (WFL) : EXPR_WFL_LINECOL (NODE))
-
-#define PATCH_METHOD_RETURN_ERROR() \
- { \
- if (ret_decl) \
- *ret_decl = NULL_TREE; \
- return error_mark_node; \
- }
-
-/* Convenient macro to check. Assumes that CLASS is a CLASS_DECL. */
-#define CHECK_METHODS(CLASS) \
- { \
- if (CLASS_INTERFACE ((CLASS))) \
- java_check_abstract_methods ((CLASS)); \
- else \
- java_check_regular_methods ((CLASS)); \
- }
-
-/* Using and reseting the @deprecated tag flag */
-#define CHECK_DEPRECATED(DECL) \
- { \
- if (ctxp->deprecated) \
- DECL_DEPRECATED (DECL) = 1; \
- ctxp->deprecated = 0; \
- }
-
-/* Register an import */
-#define REGISTER_IMPORT(WHOLE, NAME) \
-{ \
- IS_A_SINGLE_IMPORT_CLASSFILE_NAME_P ((NAME)) = 1; \
- node = build_tree_list ((WHOLE), (NAME)); \
- TREE_CHAIN (node) = ctxp->import_list; \
- ctxp->import_list = node; \
-}
-
-/* Macro to access the osb (opening square bracket) count */
-#define CURRENT_OSB(C) (C)->osb_number [(C)->osb_depth]
-
-/* Macro for the xreferencer */
-#define DECL_END_SOURCE_LINE(DECL) DECL_FRAME_SIZE (DECL)
-#define DECL_INHERITED_SOURCE_LINE(DECL) (DECL_CHECK (DECL)->decl.u2.i)
-
-/* Parser context data structure. */
-struct parser_ctxt {
-
- const char *filename; /* Current filename */
- FILE *finput; /* Current file input stream */
- struct parser_ctxt *next;
-
- char marker_begining; /* Marker. Should be a sub-struct */
- struct java_line *p_line, *c_line; /* Previous and current line */
- java_lc elc; /* Error's line column info */
- unicode_t unget_utf8_value; /* An unget utf8 value */
- int ccb_indent; /* Keep track of {} indent, lexer */
- int first_ccb_indent1; /* First { at ident level 1 */
- int last_ccb_indent1; /* Last } at ident level 1 */
- int parser_ccb_indent; /* Keep track of {} indent, parser */
- int osb_depth; /* Current depth of [ in an expression */
- int osb_limit; /* Limit of this depth */
- int *osb_number; /* Keep track of ['s */
- int lineno; /* Current lineno */
- char marker_end; /* End marker. Should be a sub-struct */
-
- /* The flags section */
-
- /* Indicates a context used for saving the parser status. The
- context must be popped when the status is restored. */
- unsigned saved_data_ctx:1;
- /* Indicates that a context already contains saved data and that the
- next save operation will require a new context to be created. */
- unsigned saved_data:1;
- /* Integral literal overflow */
- unsigned minus_seen:1;
- /* Report error when true */
- unsigned java_error_flag:1;
- /* @deprecated tag seen */
- unsigned deprecated:1;
- /* Flag to report certain errors (fix this documentation. FIXME) */
- unsigned class_err:1;
-
- /* This section is defined only if we compile jc1 */
-#ifndef JC1_LITE
- tree modifier_ctx [11]; /* WFL of modifiers */
- tree current_class; /* Current class */
- tree current_function_decl; /* Current function decl, save/restore */
-
- struct JCF *current_jcf; /* CU jcf */
-
- int prevent_ese; /* Prevent expression statement error */
-
- int formal_parameter_number; /* Number of parameters found */
- int interface_number; /* # itfs declared to extend an itf def */
-
- tree package; /* Defined package ID */
-
- /* Those two list are saved accross file traversal */
- tree incomplete_class; /* List of non-complete classes */
- tree gclass_list; /* All classes seen from source code */
-
- /* These two lists won't survive file traversal */
- tree class_list; /* List of classes in a CU */
- jdeplist *classd_list; /* Classe dependencies in a CU */
-
- tree current_parsed_class; /* Class currently parsed */
- tree current_parsed_class_un; /* Curr. parsed class unqualified name */
-
- tree non_static_initialized; /* List of non static initialized fields */
- tree static_initialized; /* List of static non final initialized */
- tree instance_initializers; /* List of instancei initializers stmts */
-
- tree import_list; /* List of import */
- tree import_demand_list; /* List of import on demand */
-
- tree current_loop; /* List of the currently nested
- loops/switches */
- tree current_labeled_block; /* List of currently nested
- labeled blocks. */
-
- int pending_block; /* Pending block to close */
-
- int explicit_constructor_p; /* >0 when processing an explicit
- constructor. This flag is used to trap
- illegal argument usage during an
- explicit constructor invocation. */
-#endif /* JC1_LITE */
-};
-
-/* A set of macros to push/pop/access the currently parsed class. */
-#define GET_CPC_LIST() ctxp->current_parsed_class
-
-/* Currently class being parsed is an inner class if an enclosing
- class has been already pushed. This truth value is only valid prior
- an inner class is pushed. After, use FIXME. */
-#define CPC_INNER_P() GET_CPC_LIST ()
-
-/* Get the currently parsed class DECL_TYPE node. */
-#define GET_CPC() TREE_VALUE (GET_CPC_LIST ())
-
-/* Get the currently parsed class unqualified IDENTIFIER_NODE. */
-#define GET_CPC_UN() TREE_PURPOSE (GET_CPC_LIST ())
-
-/* Get a parsed class unqualified IDENTIFIER_NODE from its CPC node. */
-#define GET_CPC_UN_NODE(N) TREE_PURPOSE (N)
-
-/* Get the currently parsed class DECL_TYPE from its CPC node. */
-#define GET_CPC_DECL_NODE(N) TREE_VALUE (N)
-
-/* The currently parsed enclosing currently parsed TREE_LIST node. */
-#define GET_ENCLOSING_CPC() TREE_CHAIN (GET_CPC_LIST ())
-
-/* Get the next enclosing context. */
-#define GET_NEXT_ENCLOSING_CPC(C) TREE_CHAIN (C)
-
-/* The DECL_TYPE node of the enclosing currently parsed
- class. NULL_TREE if the currently parsed class isn't an inner
- class. */
-#define GET_ENCLOSING_CPC_CONTEXT() (GET_ENCLOSING_CPC () ? \
- TREE_VALUE (GET_ENCLOSING_CPC ()) : \
- NULL_TREE)
-
-/* Make sure that innerclass T sits in an appropriate enclosing
- context. */
-#define INNER_ENCLOSING_SCOPE_CHECK(T) \
- (INNER_CLASS_TYPE_P ((T)) && !ANONYMOUS_CLASS_P ((T)) \
- && ((current_this \
- /* We have a this and it's not the right one */ \
- && (DECL_CONTEXT (TYPE_NAME ((T))) \
- != TYPE_NAME (TREE_TYPE (TREE_TYPE (current_this)))) \
- && !inherits_from_p (TREE_TYPE (TREE_TYPE (current_this)), \
- TREE_TYPE (DECL_CONTEXT (TYPE_NAME (T)))) \
- && !common_enclosing_context_p (TREE_TYPE (TREE_TYPE (current_this)), \
- (T))) \
- /* We don't have a this. */ \
- || !current_this))
-
-/* Push macro. First argument to PUSH_CPC is a DECL_TYPE, second
- argument is the unqualified currently parsed class name. */
-#define PUSH_CPC(C,R) { \
- ctxp->current_parsed_class = \
- tree_cons ((R), (C), GET_CPC_LIST ()); \
- }
-
-/* In case of an error, push an error. */
-#define PUSH_ERROR() PUSH_CPC (error_mark_node, error_mark_node)
-
-/* Pop macro. Before we pop, we link the current inner class decl (if any)
- to its enclosing class. */
-#define POP_CPC() { \
- link_nested_class_to_enclosing (); \
- ctxp->current_parsed_class = \
- TREE_CHAIN (GET_CPC_LIST ()); \
- }
-
-#define DEBUG_CPC() \
- do \
- { \
- tree tmp = ctxp->current_parsed_class; \
- while (tmp) \
- { \
- fprintf (stderr, "%s ", \
- IDENTIFIER_POINTER (TREE_PURPOSE (tmp))); \
- tmp = TREE_CHAIN (tmp); \
- } \
- } \
- while (0);
-
-/* Access to the various initializer statement lists */
-#define CPC_INITIALIZER_LIST(C) ((C)->non_static_initialized)
-#define CPC_STATIC_INITIALIZER_LIST(C) ((C)->static_initialized)
-#define CPC_INSTANCE_INITIALIZER_LIST(C) ((C)->instance_initializers)
-
-/* Access to the various initializer statements */
-#define CPC_INITIALIZER_STMT(C) (TREE_PURPOSE (CPC_INITIALIZER_LIST (C)))
-#define CPC_STATIC_INITIALIZER_STMT(C) \
- (TREE_PURPOSE (CPC_STATIC_INITIALIZER_LIST (C)))
-#define CPC_INSTANCE_INITIALIZER_STMT(C) \
- (TREE_PURPOSE (CPC_INSTANCE_INITIALIZER_LIST (C)))
-
-/* Set various initializer statements */
-#define SET_CPC_INITIALIZER_STMT(C,S) \
- if (CPC_INITIALIZER_LIST (C)) \
- TREE_PURPOSE (CPC_INITIALIZER_LIST (C)) = (S);
-#define SET_CPC_STATIC_INITIALIZER_STMT(C,S) \
- if (CPC_STATIC_INITIALIZER_LIST (C)) \
- TREE_PURPOSE (CPC_STATIC_INITIALIZER_LIST (C)) = (S);
-#define SET_CPC_INSTANCE_INITIALIZER_STMT(C,S) \
- if (CPC_INSTANCE_INITIALIZER_LIST(C)) \
- TREE_PURPOSE (CPC_INSTANCE_INITIALIZER_LIST (C)) = (S);
-
-#ifndef JC1_LITE
-void java_complete_class PARAMS ((void));
-void java_check_circular_reference PARAMS ((void));
-void java_fix_constructors PARAMS ((void));
-void java_layout_classes PARAMS ((void));
-void java_reorder_fields PARAMS ((void));
-tree java_method_add_stmt PARAMS ((tree, tree));
-void java_expand_switch PARAMS ((tree));
-int java_report_errors PARAMS ((void));
-extern tree do_resolve_class PARAMS ((tree, tree, tree, tree));
-#endif
-char *java_get_line_col PARAMS ((const char *, int, int));
-extern void reset_report PARAMS ((void));
+int java_report_errors (void);
+extern tree do_resolve_class (tree, tree, tree, tree, tree);
/* Always in use, no matter what you compile */
-void java_push_parser_context PARAMS ((void));
-void java_pop_parser_context PARAMS ((int));
-void java_init_lex PARAMS ((void));
-extern void java_parser_context_save_global PARAMS ((void));
-extern void java_parser_context_restore_global PARAMS ((void));
-int yyparse PARAMS ((void));
-extern int java_parse PARAMS ((void));
-void yyerror PARAMS ((const char *));
-extern void java_expand_classes PARAMS ((void));
-#endif
+void java_push_parser_context (void);
+void java_pop_parser_context (int);
+extern void java_parser_context_save_global (void);
+extern void java_parser_context_restore_global (void);
+
+#endif /* ! GCC_JAVA_PARSE_H */
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