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authorNathan Sidwell <nathan@acm.org>1999-08-03 14:24:07 +0000
committerNathan Sidwell <nathan@gcc.gnu.org>1999-08-03 14:24:07 +0000
commit30ff82528b56f75cec222ac3d2c381e711123c0a (patch)
treec4991aad2813a901237a27dba87875a30ccf0535
parentf124f84ab03b1294d54070e60fc593ab7bcace09 (diff)
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decl.c (start_enum): Show location of previous definition.
* decl.c (start_enum): Show location of previous definition. * parse.y (enumlist_opt): New reduction. (structsp): Simplify enum rules to use enumlist_opt. From-SVN: r28471
-rw-r--r--gcc/cp/ChangeLog6
-rw-r--r--gcc/cp/decl.c5
-rw-r--r--gcc/cp/parse.y20
3 files changed, 19 insertions, 12 deletions
diff --git a/gcc/cp/ChangeLog b/gcc/cp/ChangeLog
index 5232c72..94d0b96 100644
--- a/gcc/cp/ChangeLog
+++ b/gcc/cp/ChangeLog
@@ -1,3 +1,9 @@
+1999-08-03 Nathan Sidwell <nathan@acm.org>
+
+ * decl.c (start_enum): Show location of previous definition.
+ * parse.y (enumlist_opt): New reduction.
+ (structsp): Simplify enum rules to use enumlist_opt.
+
1999-08-03 Jason Merrill <jason@yorick.cygnus.com>
* lex.c (yyprint): Handle PFUNCNAME.
diff --git a/gcc/cp/decl.c b/gcc/cp/decl.c
index eedf277..498384b 100644
--- a/gcc/cp/decl.c
+++ b/gcc/cp/decl.c
@@ -12642,7 +12642,10 @@ start_enum (name)
enumtype = lookup_tag (ENUMERAL_TYPE, name, b, 1);
if (enumtype != NULL_TREE && TREE_CODE (enumtype) == ENUMERAL_TYPE)
- cp_error ("multiple definition of `%#T'", enumtype);
+ {
+ cp_error ("multiple definition of `%#T'", enumtype);
+ cp_error_at ("previous definition here", enumtype);
+ }
else
{
enumtype = make_node (ENUMERAL_TYPE);
diff --git a/gcc/cp/parse.y b/gcc/cp/parse.y
index 555b988..9551c15 100644
--- a/gcc/cp/parse.y
+++ b/gcc/cp/parse.y
@@ -211,7 +211,7 @@ empty_parms ()
%type <ttype> component_declarator component_declarator0
%type <ttype> notype_component_declarator notype_component_declarator0
%type <ttype> after_type_component_declarator after_type_component_declarator0
-%type <ttype> enumlist enumerator
+%type <ttype> enumlist_opt enumlist enumerator
%type <ttype> absdcl cv_qualifiers
%type <ttype> direct_abstract_declarator conversion_declarator
%type <ttype> new_declarator direct_new_declarator
@@ -2104,32 +2104,24 @@ structsp:
{ $<itype>3 = suspend_momentary ();
$<ttype>$ = current_enum_type;
current_enum_type = start_enum ($2); }
- enumlist maybecomma_warn '}'
+ enumlist_opt '}'
{ TYPE_VALUES (current_enum_type) = $5;
$$.t = finish_enum (current_enum_type);
$$.new_type_flag = 1;
current_enum_type = $<ttype>4;
resume_momentary ((int) $<itype>3);
check_for_missing_semicolon ($$.t); }
- | ENUM identifier '{' '}'
- { $$.t = finish_enum (start_enum ($2));
- $$.new_type_flag = 1;
- check_for_missing_semicolon ($$.t); }
| ENUM '{'
{ $<itype>2 = suspend_momentary ();
$<ttype>$ = current_enum_type;
current_enum_type = start_enum (make_anon_name ()); }
- enumlist maybecomma_warn '}'
+ enumlist_opt '}'
{ TYPE_VALUES (current_enum_type) = $4;
$$.t = finish_enum (current_enum_type);
$$.new_type_flag = 1;
current_enum_type = $<ttype>3;
resume_momentary ((int) $<itype>1);
check_for_missing_semicolon ($$.t); }
- | ENUM '{' '}'
- { $$.t = finish_enum (start_enum (make_anon_name()));
- $$.new_type_flag = 1;
- check_for_missing_semicolon ($$.t); }
| ENUM identifier
{ $$.t = xref_tag (enum_type_node, $2, 1);
$$.new_type_flag = 0; }
@@ -2681,6 +2673,12 @@ notype_component_declarator:
cplus_decl_attributes ($$, $3, prefix_attributes); }
;
+enumlist_opt:
+ enumlist maybecomma_warn
+ | maybecomma_warn
+ { $$ = NULL_TREE; }
+ ;
+
/* We chain the enumerators in reverse order.
Because of the way enums are built, the order is
insignificant. Take advantage of this fact. */