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Commit ecf71365 by Ranjit Mathew Committed by Ranjit Mathew
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Remove xref code. 

	* xref.c, xref.h: Remove file.
	* Make-lang.in (java/xref.o): Remove.
	* java-tree.h (flag_emit_xref, do_not_fold): Remove declaration.
	* lang.c (flag_emit_xref): Remove definition.
	* parse.h (DECL_END_SOURCE_LINE, DECL_INHERITED_SOURCE_LINE): Remove.
	* typeck.c (convert): Remove use of do_not_fold.
	* parse.y (do_not_fold): Remove definition.
	(parser grammar): Remove xref code.
	(maybe_create_class_interface_decl, create_class): Likewise.
	(register_fields, method_header, finish_method_declaration): Likewise.
	(declare_local_variables, source_end_java_method): Likewise.
	(java_complete_expand_classes): Do not set do_not_fold.
	(java_complete_expand_method): Remove xref code.
	(java_expand_classes, resolve_field_access, patch_invoke): Likewise.
	(java_complete_tree, java_complete_lhs, patch_assignment): Likewise.
	(patch_binop, build_string_concatenation, patch_array_ref): Likewise.
	(patch_synchronized_statement, patch_throw_statement): Likewise.
	(maybe_build_class_init_for_field): Likewise.

From-SVN: r95965
parent 25910ca4
Showing with 42 additions and 221 deletions
gcc/java/ChangeLog
2005-03-06 Ranjit Mathew <rmathew@hotmail.com>
Remove xref code.
* xref.c, xref.h: Remove file.
* Make-lang.in (java/xref.o): Remove.
* java-tree.h (flag_emit_xref, do_not_fold): Remove declaration.
* lang.c (flag_emit_xref): Remove definition.
* parse.h (DECL_END_SOURCE_LINE, DECL_INHERITED_SOURCE_LINE): Remove.
* typeck.c (convert): Remove use of do_not_fold.
* parse.y (do_not_fold): Remove definition.
(parser grammar): Remove xref code.
(maybe_create_class_interface_decl, create_class): Likewise.
(register_fields, method_header, finish_method_declaration): Likewise.
(declare_local_variables, source_end_java_method): Likewise.
(java_complete_expand_classes): Do not set do_not_fold.
(java_complete_expand_method): Remove xref code.
(java_expand_classes, resolve_field_access, patch_invoke): Likewise.
(java_complete_tree, java_complete_lhs, patch_assignment): Likewise.
(patch_binop, build_string_concatenation, patch_array_ref): Likewise.
(patch_synchronized_statement, patch_throw_statement): Likewise.
(maybe_build_class_init_for_field): Likewise.
2005-03-05 Kazu Hirata <kazu@cs.umass.edu>
* expr.c (build_expr_wfl, expr_add_location): Use TYPE_P
......
gcc/java/Make-lang.in
......@@ -106,7 +106,7 @@ JAVA_OBJS = java/parse.o java/class.o java/decl.o java/expr.o \
java/zextract.o java/jcf-io.o java/win32-host.o java/jcf-parse.o java/mangle.o \
java/mangle_name.o java/builtins.o java/resource.o \
java/jcf-write.o java/buffer.o java/check-init.o java/jcf-depend.o \
java/jcf-path.o java/xref.o java/boehm.o java/java-gimplify.o
java/jcf-path.o java/boehm.o java/java-gimplify.o
GCJH_OBJS = java/gjavah.o java/jcf-io.o java/jcf-depend.o java/jcf-path.o \
java/win32-host.o java/zextract.o version.o errors.o ggc-none.o \
......@@ -345,8 +345,6 @@ java/verify-glue.o: java/verify-glue.c $(CONFIG_H) $(SYSTEM_H) $(JAVA_TREE_H) \
coretypes.h $(TM_H) java/verify.h
java/verify-impl.o: java/verify-impl.c $(CONFIG_H) java/verify.h $(SYSTEM_H) \
coretypes.h java/jcf.h $(JAVA_TREE_H)
java/xref.o: java/xref.c java/xref.h $(CONFIG_H) $(JAVA_TREE_H) toplev.h \
$(SYSTEM_H) coretypes.h $(TM_H)
java/zextract.o: java/zextract.c $(CONFIG_H) $(SYSTEM_H) coretypes.h $(TM_H) \
java/zipfile.h
java/java-gimplify.o: java/java-gimplify.c $(CONFIG_H) $(SYSTEM_H) \
......
gcc/java/java-tree.h
......@@ -182,14 +182,6 @@ extern int flag_extraneous_semicolon;
extern int flag_force_classes_archive_check;
/* When nonzero, we emit xref strings. Values of the flag for xref
backends are defined in xref.h. */
extern int flag_emit_xref;
/* When doing xrefs, tell when not to fold. */
extern int do_not_fold;
/* Resource name. */
extern const char *resource_name;
......
gcc/java/lang.c
......@@ -39,7 +39,6 @@ The Free Software Foundation is independent of Sun Microsystems, Inc. */
#include "langhooks.h"
#include "langhooks-def.h"
#include "flags.h"
#include "xref.h"
#include "ggc.h"
#include "diagnostic.h"
#include "tree-inline.h"
......@@ -117,11 +116,6 @@ int compiling_from_source;
const char *resource_name;
/* When nonzero, we emit xref strings. Values of the flag for xref
backends are defined in xref_flag_table, xref.c. */
int flag_emit_xref = 0;
/* When nonzero, -Wall was turned on. */
int flag_wall = 0;
......
gcc/java/parse.h
......@@ -739,10 +739,6 @@ typedef struct jdeplist_s jdeplist;
/* 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_CHECK (DECL)->decl.u1.i)
#define DECL_INHERITED_SOURCE_LINE(DECL) (DECL_CHECK (DECL)->decl.u2.i)
/* Parser context data structure. */
struct parser_ctxt GTY(()) {
const char *filename; /* Current filename */
......
gcc/java/parse.y
......@@ -67,7 +67,6 @@ definitions and other extensions. */
#include "zipfile.h"
#include "convert.h"
#include "buffer.h"
#include "xref.h"
#include "function.h"
#include "except.h"
#include "ggc.h"
......@@ -354,8 +353,6 @@ static char *string_convert_int_cst (tree);
int java_error_count;
/* Number of warning found so far. */
int java_warning_count;
/* Tell when not to fold, when doing xrefs */
int do_not_fold;
/* Cyclic inheritance report, as it can be set by layout_class */
const char *cyclic_inheritance_report;
......@@ -908,16 +905,10 @@ interface_type_list:
class_body:
OCB_TK CCB_TK
{
/* Store the location of the `}' when doing xrefs */
if (flag_emit_xref)
DECL_END_SOURCE_LINE (GET_CPC ()) = $2.location;
$$ = GET_CPC ();
}
| OCB_TK class_body_declarations CCB_TK
{
/* Store the location of the `}' when doing xrefs */
if (flag_emit_xref)
DECL_END_SOURCE_LINE (GET_CPC ()) = $3.location;
$$ = GET_CPC ();
}
;
......@@ -1393,9 +1384,6 @@ block_end:
CCB_TK
{
maybe_absorb_scoping_blocks ();
/* Store the location of the `}' when doing xrefs */
if (current_function_decl && flag_emit_xref)
DECL_END_SOURCE_LINE (current_function_decl) = $1.location;
$$ = exit_block ();
if (!BLOCK_SUBBLOCKS ($$))
BLOCK_SUBBLOCKS ($$) = build_java_empty_stmt ();
......@@ -3886,10 +3874,6 @@ maybe_create_class_interface_decl (tree decl, tree raw_name,
DECL_SOURCE_LOCATION (decl) = EXPR_LOCATION (cl);
#else
DECL_SOURCE_FILE (decl) = EXPR_WFL_FILENAME (cl);
/* If we're emitting xrefs, store the line/col number information */
if (flag_emit_xref)
DECL_SOURCE_LINE (decl) = EXPR_WFL_LINECOL (cl);
else
DECL_SOURCE_LINE (decl) = EXPR_WFL_LINENO (cl);
#endif
CLASS_FROM_SOURCE_P (TREE_TYPE (decl)) = 1;
......@@ -4199,11 +4183,6 @@ create_class (int flags, tree id, tree super, tree interfaces)
if (PURE_INNER_CLASS_DECL_P (decl))
add_inner_class_fields (decl, current_function_decl);
/* If doing xref, store the location at which the inherited class
(if any) was seen. */
if (flag_emit_xref && super)
DECL_INHERITED_SOURCE_LINE (decl) = EXPR_WFL_LINECOL (super);
/* Eventually sets the @deprecated tag flag */
CHECK_DEPRECATED (decl);
......@@ -4495,9 +4474,6 @@ register_fields (int flags, tree type, tree variable_list)
#ifdef USE_MAPPED_LOCATION
input_location = EXPR_LOCATION (cl);
#else
if (flag_emit_xref)
input_line = EXPR_WFL_LINECOL (cl);
else
input_line = EXPR_WFL_LINENO (cl);
#endif
field_decl = add_field (class_type, current_name, real_type, flags);
......@@ -4895,17 +4871,6 @@ method_header (int flags, tree type, tree mdecl, tree throws)
/* Eventually set the @deprecated tag flag */
CHECK_DEPRECATED (meth);
/* If doing xref, store column and line number information instead
of the line number only. */
if (flag_emit_xref)
{
#ifdef USE_MAPPED_LOCATION
DECL_SOURCE_LOCATION (meth) = EXPR_LOCATION (id);
#else
DECL_SOURCE_LINE (meth) = EXPR_WFL_LINECOL (id);
#endif
}
return meth;
}
......@@ -4971,7 +4936,6 @@ finish_method_declaration (tree method_body)
exit_block ();
/* Merge last line of the function with first line, directly in the
function decl. It will be used to emit correct debug info. */
if (!flag_emit_xref)
DECL_FUNCTION_LAST_LINE (current_function_decl) = ctxp->last_ccb_indent1;
/* Since function's argument's list are shared, reset the
......@@ -7517,16 +7481,6 @@ declare_local_variables (int modifier, tree type, tree vlist)
DECL_FINAL (decl) = final_p;
BLOCK_CHAIN_DECL (decl);
/* If doing xreferencing, replace the line number with the WFL
compound value */
#ifdef USE_MAPPED_LOCATION
if (flag_emit_xref)
DECL_SOURCE_LOCATION (decl) = EXPR_LOCATION (wfl);
#else
if (flag_emit_xref)
DECL_SOURCE_LINE (decl) = EXPR_WFL_LINECOL (wfl);
#endif
/* Don't try to use an INIT statement when an error was found */
if (init && java_error_count)
init = NULL_TREE;
......@@ -7707,8 +7661,7 @@ source_end_java_method (void)
BLOCK_EXPR_BODY (DECL_FUNCTION_BODY (fndecl)) = NULL_TREE;
if (BLOCK_EXPR_BODY (DECL_FUNCTION_BODY (fndecl))
&& ! flag_emit_class_files
&& ! flag_emit_xref)
&& ! flag_emit_class_files)
finish_method (fndecl);
current_function_decl = NULL_TREE;
......@@ -7869,8 +7822,6 @@ java_complete_expand_classes (void)
{
tree current;
do_not_fold = flag_emit_xref;
for (current = ctxp->class_list; current; current = TREE_CHAIN (current))
if (!INNER_CLASS_DECL_P (current))
java_complete_expand_class (current);
......@@ -8249,7 +8200,7 @@ java_complete_expand_method (tree mdecl)
htab_traverse (DECL_FUNCTION_INIT_TEST_TABLE (mdecl),
attach_init_test_initialization_flags, block_body);
if (! flag_emit_xref && ! METHOD_NATIVE (mdecl))
if (! METHOD_NATIVE (mdecl))
{
check_for_initialization (block_body, mdecl);
......@@ -8279,8 +8230,7 @@ java_complete_expand_method (tree mdecl)
an error_mark_node here. */
if (block_body != error_mark_node
&& (block_body == NULL_TREE || CAN_COMPLETE_NORMALLY (block_body))
&& TREE_CODE (TREE_TYPE (TREE_TYPE (mdecl))) != VOID_TYPE
&& !flag_emit_xref)
&& TREE_CODE (TREE_TYPE (TREE_TYPE (mdecl))) != VOID_TYPE)
missing_return_error (current_function_decl);
/* See if we can get rid of <clinit> if MDECL happens to be <clinit> */
......@@ -8296,7 +8246,7 @@ java_complete_expand_method (tree mdecl)
if (currently_caught_type_list)
abort ();
/* Restore the copy of the list of exceptions if emitting xrefs. */
/* Restore the copy of the list of exceptions. */
DECL_FUNCTION_THROWS (mdecl) = exception_copy;
}
......@@ -9282,10 +9232,10 @@ java_expand_classes (void)
#endif
/* If we've found error at that stage, don't try to generate
anything, unless we're emitting xrefs or checking the syntax only
anything, unless we're checking the syntax only
(but not using -fsyntax-only for the purpose of generating
bytecode. */
if (java_error_count && !flag_emit_xref
bytecode). */
if (java_error_count
&& (!flag_syntax_only && !flag_emit_class_files))
return;
......@@ -9331,8 +9281,6 @@ java_expand_classes (void)
output_class = current_class = TREE_TYPE (TREE_VALUE (current));
if (flag_emit_class_files)
write_classfile (current_class);
if (flag_emit_xref)
expand_xref (current_class);
else if (! flag_syntax_only)
java_expand_method_bodies (current_class);
}
......@@ -9619,7 +9567,7 @@ resolve_field_access (tree qual_wfl, tree *field_decl, tree *field_type)
/* Resolve the LENGTH field of an array here */
if (DECL_P (decl) && DECL_NAME (decl) == length_identifier_node
&& type_found && TYPE_ARRAY_P (type_found)
&& ! flag_emit_class_files && ! flag_emit_xref)
&& ! flag_emit_class_files)
{
tree length = build_java_array_length_access (where_found);
field_ref = length;
......@@ -9645,7 +9593,7 @@ resolve_field_access (tree qual_wfl, tree *field_decl, tree *field_type)
if (!type_found)
type_found = DECL_CONTEXT (decl);
is_static = FIELD_STATIC (decl);
field_ref = build_field_ref ((is_static && !flag_emit_xref?
field_ref = build_field_ref ((is_static ?
NULL_TREE : where_found),
type_found, DECL_NAME (decl));
if (field_ref == error_mark_node)
......@@ -9658,7 +9606,6 @@ resolve_field_access (tree qual_wfl, tree *field_decl, tree *field_type)
looks like `field.ref', where `field' is a static field in an
interface we implement. */
if (!flag_emit_class_files
&& !flag_emit_xref
&& TREE_CODE (where_found) == VAR_DECL
&& FIELD_STATIC (where_found))
{
......@@ -10485,7 +10432,7 @@ patch_method_invocation (tree patch, tree primary, tree where, int from_super,
if (TREE_CODE (resolved) == VAR_DECL && FIELD_STATIC (resolved)
&& FIELD_FINAL (resolved)
&& !inherits_from_p (DECL_CONTEXT (resolved), current_class)
&& !flag_emit_class_files && !flag_emit_xref)
&& !flag_emit_class_files)
resolved = build_class_init (DECL_CONTEXT (resolved), resolved);
if (resolved == error_mark_node)
......@@ -10964,7 +10911,7 @@ patch_invoke (tree patch, tree method, tree args)
if (TREE_CODE (t) == POINTER_TYPE && !CLASS_LOADED_P (TREE_TYPE (t)))
resolve_and_layout (TREE_TYPE (t), NULL);
if (flag_emit_class_files || flag_emit_xref)
if (flag_emit_class_files)
func = method;
else
{
......@@ -11030,7 +10977,7 @@ patch_invoke (tree patch, tree method, tree args)
tree c1, saved_new, new;
tree alloc_node;
if (flag_emit_class_files || flag_emit_xref)
if (flag_emit_class_files)
{
TREE_TYPE (patch) = build_pointer_type (class);
return patch;
......@@ -11577,8 +11524,7 @@ java_complete_tree (tree node)
{
node = java_complete_lhs (node);
if (JDECL_P (node) && CLASS_FINAL_VARIABLE_P (node)
&& DECL_INITIAL (node) != NULL_TREE
&& !flag_emit_xref)
&& DECL_INITIAL (node) != NULL_TREE)
{
tree value = fold_constant_for_init (node, node);
if (value != NULL_TREE)
......@@ -11780,7 +11726,7 @@ java_complete_lhs (tree node)
&& DECL_INITIAL (cn))
cn = fold_constant_for_init (DECL_INITIAL (cn), cn);
if (!TREE_CONSTANT (cn) && !flag_emit_xref)
if (!TREE_CONSTANT (cn))
{
EXPR_WFL_LINECOL (wfl_operator) = EXPR_WFL_LINECOL (node);
parse_error_context (node, "Constant expression required");
......@@ -11969,13 +11915,6 @@ java_complete_lhs (tree node)
node = resolve_expression_name (node, NULL);
if (node == error_mark_node)
return node;
/* Keep line number information somewhere were it doesn't
disrupt the completion process. */
if (flag_emit_xref && TREE_CODE (node) != CALL_EXPR)
{
EXPR_WFL_NODE (wfl) = TREE_OPERAND (node, 1);
TREE_OPERAND (node, 1) = wfl;
}
CAN_COMPLETE_NORMALLY (node) = 1;
}
else
......@@ -12291,11 +12230,6 @@ java_complete_lhs (tree node)
case INSTANCEOF_EXPR:
wfl_op1 = TREE_OPERAND (node, 0);
COMPLETE_CHECK_OP_0 (node);
if (flag_emit_xref)
{
TREE_TYPE (node) = boolean_type_node;
return node;
}
return patch_binop (node, wfl_op1, TREE_OPERAND (node, 1));
case UNARY_PLUS_EXPR:
......@@ -12325,14 +12259,14 @@ java_complete_lhs (tree node)
TREE_OPERAND (node, 0) = java_complete_tree (wfl_op1);
if (TREE_OPERAND (node, 0) == error_mark_node)
return error_mark_node;
if (!flag_emit_class_files && !flag_emit_xref)
if (!flag_emit_class_files)
TREE_OPERAND (node, 0) = save_expr (TREE_OPERAND (node, 0));
/* The same applies to wfl_op2 */
wfl_op2 = TREE_OPERAND (node, 1);
TREE_OPERAND (node, 1) = java_complete_tree (wfl_op2);
if (TREE_OPERAND (node, 1) == error_mark_node)
return error_mark_node;
if (!flag_emit_class_files && !flag_emit_xref)
if (!flag_emit_class_files)
TREE_OPERAND (node, 1) = save_expr (TREE_OPERAND (node, 1));
return patch_array_ref (node);
......@@ -12897,7 +12831,6 @@ patch_assignment (tree node, tree wfl_op1)
/* 10.10: Array Store Exception runtime check */
if (!flag_emit_class_files
&& !flag_emit_xref
&& lvalue_from_array
&& JREFERENCE_TYPE_P (TYPE_ARRAY_ELEMENT (lhs_type)))
{
......@@ -13837,9 +13770,6 @@ patch_binop (tree node, tree wfl_op1, tree wfl_op2)
TREE_TYPE (node) = prom_type;
TREE_SIDE_EFFECTS (node) = TREE_SIDE_EFFECTS (op1) | TREE_SIDE_EFFECTS (op2);
if (flag_emit_xref)
return node;
/* fold does not respect side-effect order as required for Java but not C.
* Also, it sometimes create SAVE_EXPRs which are bad when emitting
* bytecode.
......@@ -13984,9 +13914,6 @@ build_string_concatenation (tree op1, tree op2)
tree result;
int side_effects = TREE_SIDE_EFFECTS (op1) | TREE_SIDE_EFFECTS (op2);
if (flag_emit_xref)
return build2 (PLUS_EXPR, string_type_node, op1, op2);
/* Try to do some static optimization */
if ((result = string_constant_concatenation (op1, op2)))
return result;
......@@ -14600,7 +14527,7 @@ patch_array_ref (tree node)
array_type = TYPE_ARRAY_ELEMENT (array_type);
if (flag_emit_class_files || flag_emit_xref)
if (flag_emit_class_files)
{
TREE_OPERAND (node, 0) = array;
TREE_OPERAND (node, 1) = index;
......@@ -15763,14 +15690,6 @@ patch_synchronized_statement (tree node, tree wfl_op1)
return error_mark_node;
}
if (flag_emit_xref)
{
TREE_OPERAND (node, 0) = expr;
TREE_OPERAND (node, 1) = java_complete_tree (block);
CAN_COMPLETE_NORMALLY (node) = 1;
return node;
}
/* Generate a try-finally for the synchronized statement, except
that the handler that catches all throw exception calls
_Jv_MonitorExit and then rethrow the exception.
......@@ -15895,12 +15814,9 @@ patch_throw_statement (tree node, tree wfl_op1)
return error_mark_node;
}
if (! flag_emit_class_files && ! flag_emit_xref)
if (! flag_emit_class_files)
BUILD_THROW (node, expr);
/* If doing xrefs, keep the location where the `throw' was seen. */
if (flag_emit_xref)
EXPR_WFL_LINECOL (node) = EXPR_WFL_LINECOL (wfl_op1);
return node;
}
......@@ -16155,7 +16071,7 @@ static tree
maybe_build_class_init_for_field (tree decl, tree expr)
{
tree clas = DECL_CONTEXT (decl);
if (flag_emit_class_files || flag_emit_xref)
if (flag_emit_class_files)
return expr;
if (TREE_CODE (decl) == VAR_DECL && FIELD_STATIC (decl)
......
gcc/java/typeck.c
......@@ -119,9 +119,6 @@ convert (tree type, tree expr)
if (!expr)
return error_mark_node;
if (do_not_fold)
return build1 (NOP_EXPR, type, expr);
if (type == TREE_TYPE (expr)
|| TREE_CODE (expr) == ERROR_MARK)
return expr;
......
gcc/java/xref.c deleted 100644 → 0
/* Write cross reference information extracted from Java(TM)
source and bytecode files, in one of formats documented below.
Copyright (C) 1999, 2000, 2002, 2003 Free Software Foundation, Inc.
Contributed by Alexandre Petit-Bianco (apbianco@cygnus.com)
This file is part of GCC.
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)
any later version.
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 GCC; see the file COPYING. If not, write to
the Free Software Foundation, 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA.
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. */
#include "config.h"
#include "system.h"
#include "coretypes.h"
#include "tm.h"
#include "tree.h"
#include "java-tree.h"
#include "xref.h"
#include "jcf.h"
#include "parse.h"
static xref_flag_table xref_table [] = {
{NULL, NULL, NULL, NULL},
};
/* Branch to the right xref "back-end". */
void
expand_xref (tree node)
{
/* Maintain these two cached. */
static FILE *fp = NULL;
static void (*current_expand) (FILE *, tree) = NULL;
if ( !flag_emit_xref )
return;
if (!fp)
fp = xref_table [flag_emit_xref-1].fp;
if (!current_expand)
current_expand = xref_table [flag_emit_xref-1].expand;
(*current_expand) (fp, node);
}
gcc/java/xref.h deleted 100644 → 0
/* Definitions for the cross reference backend xref.c
Copyright (C) 1999, 2000, 2003 Free Software Foundation, Inc.
Contributed by Alexandre Petit-Bianco (apbianco@cygnus.com)
This file is part of GCC.
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)
any later version.
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 GCC; see the file COPYING. If not, write to
the Free Software Foundation, 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA.
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. */
/* Exported functions. */
void expand_xref (tree);
/* Lookup table to be used with the value of flag_emit_xref */
typedef struct {
char *key; /* Activator in -fxref=<key> */
void (*expand) (FILE *, tree); /* Function to write xrefs out */
FILE *fp; /* fp to use during the call. */
void *data; /* Placeholder for additional data */
} xref_flag_table;
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