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cp-tree.def (FOR_STMT, [...]): Add an extra operand.

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* cp-tree.def (FOR_STMT, RANGE_FOR_STMT): Add an extra operand.
	* cp-objcp-common.c (cp_common_init_ts): Mark them as TS_TYPED.
	* cp-tree.h (FOR_SCOPE, RANGE_FOR_SCOPE): Define.
	* semantics.c (begin_for_stmt): Pass an extra arg to build_stmt.
	Use FOR_SCOPE instead of TREE_CHAIN.
	(begin_range_for_stmt): Likewise, with RANGE_FOR_SCOPE.
	(finish_for_stmt): Likewise.

From-SVN: r172436
This commit is contained in:
Nathan Froyd 2011-04-14 15:13:26 +00:00 committed by Nathan Froyd
parent c2aa8dc926
commit 40e71fc77f
5 changed files with 29 additions and 13 deletions
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10
gcc/cp/ChangeLog
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@ -1,3 +1,13 @@
2011-04-14 Nathan Froyd <froydnj@codesourcery.com>
* cp-tree.def (FOR_STMT, RANGE_FOR_STMT): Add an extra operand.
* cp-objcp-common.c (cp_common_init_ts): Mark them as TS_TYPED.
* cp-tree.h (FOR_SCOPE, RANGE_FOR_SCOPE): Define.
* semantics.c (begin_for_stmt): Pass an extra arg to build_stmt.
Use FOR_SCOPE instead of TREE_CHAIN.
(begin_range_for_stmt): Likewise, with RANGE_FOR_SCOPE.
(finish_for_stmt): Likewise.
2011-04-14 Jason Merrill <jason@redhat.com>
* parser.c (cp_parser_postfix_expression): Fix flags passed to

4
gcc/cp/cp-objcp-common.c
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@ -236,7 +236,6 @@ cp_common_init_ts (void)
MARK_TS_COMMON (TEMPLATE_PARM_INDEX);
MARK_TS_COMMON (OVERLOAD);
MARK_TS_COMMON (TEMPLATE_INFO);
MARK_TS_COMMON (FOR_STMT);
MARK_TS_COMMON (TYPENAME_TYPE);
MARK_TS_COMMON (TYPEOF_TYPE);
MARK_TS_COMMON (IF_STMT);
@ -247,8 +246,9 @@ cp_common_init_ts (void)
MARK_TS_COMMON (DECLTYPE_TYPE);
MARK_TS_COMMON (BOUND_TEMPLATE_TEMPLATE_PARM);
MARK_TS_COMMON (UNBOUND_CLASS_TEMPLATE);
MARK_TS_COMMON (RANGE_FOR_STMT);
MARK_TS_TYPED (FOR_STMT);
MARK_TS_TYPED (RANGE_FOR_STMT);
MARK_TS_TYPED (AGGR_INIT_EXPR);
MARK_TS_TYPED (EXPR_STMT);
MARK_TS_TYPED (EH_SPEC_BLOCK);

8
gcc/cp/cp-tree.def
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@ -291,12 +291,12 @@ DEFTREECODE (IF_STMT, "if_stmt", tcc_statement, 3)
/* Used to represent a `for' statement. The operands are
FOR_INIT_STMT, FOR_COND, FOR_EXPR, and FOR_BODY, respectively. */
DEFTREECODE (FOR_STMT, "for_stmt", tcc_statement, 4)
DEFTREECODE (FOR_STMT, "for_stmt", tcc_statement, 5)
/* Used to represent a range-based `for' statement. The operands are
RANGE_FOR_DECL, RANGE_FOR_EXPR, RANGE_FOR_BODY, respectively. Only used
in templates. */
DEFTREECODE (RANGE_FOR_STMT, "range_for_stmt", tcc_statement, 3)
RANGE_FOR_DECL, RANGE_FOR_EXPR, RANGE_FOR_BODY, and RANGE_FOR_SCOPE,
respectively. Only used in templates. */
DEFTREECODE (RANGE_FOR_STMT, "range_for_stmt", tcc_statement, 4)
/* Used to represent a 'while' statement. The operands are WHILE_COND
and WHILE_BODY, respectively. */

4
gcc/cp/cp-tree.h
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@ -3810,12 +3810,14 @@ more_aggr_init_expr_args_p (const aggr_init_expr_arg_iterator *iter)
#define FOR_COND(NODE) TREE_OPERAND (FOR_STMT_CHECK (NODE), 1)
#define FOR_EXPR(NODE) TREE_OPERAND (FOR_STMT_CHECK (NODE), 2)
#define FOR_BODY(NODE) TREE_OPERAND (FOR_STMT_CHECK (NODE), 3)
#define FOR_SCOPE(NODE) TREE_OPERAND (FOR_STMT_CHECK (NODE), 4)
/* RANGE_FOR_STMT accessors. These give access to the declarator,
expression and body of the statement, respectively. */
expression, body, and scope of the statement, respectively. */
#define RANGE_FOR_DECL(NODE) TREE_OPERAND (RANGE_FOR_STMT_CHECK (NODE), 0)
#define RANGE_FOR_EXPR(NODE) TREE_OPERAND (RANGE_FOR_STMT_CHECK (NODE), 1)
#define RANGE_FOR_BODY(NODE) TREE_OPERAND (RANGE_FOR_STMT_CHECK (NODE), 2)
#define RANGE_FOR_SCOPE(NODE) TREE_OPERAND (RANGE_FOR_STMT_CHECK (NODE), 3)
#define SWITCH_STMT_COND(NODE) TREE_OPERAND (SWITCH_STMT_CHECK (NODE), 0)
#define SWITCH_STMT_BODY(NODE) TREE_OPERAND (SWITCH_STMT_CHECK (NODE), 1)

16
gcc/cp/semantics.c
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@ -856,7 +856,7 @@ begin_for_stmt (tree scope, tree init)
tree r;
r = build_stmt (input_location, FOR_STMT, NULL_TREE, NULL_TREE,
NULL_TREE, NULL_TREE);
NULL_TREE, NULL_TREE, NULL_TREE);
if (scope == NULL_TREE)
{
@ -865,7 +865,7 @@ begin_for_stmt (tree scope, tree init)
scope = begin_for_scope (&init);
}
FOR_INIT_STMT (r) = init;
TREE_CHAIN (r) = scope;
FOR_SCOPE (r) = scope;
return r;
}
@ -940,8 +940,12 @@ finish_for_stmt (tree for_stmt)
/* Pop the scope for the body of the loop. */
if (flag_new_for_scope > 0)
{
tree scope = TREE_CHAIN (for_stmt);
TREE_CHAIN (for_stmt) = NULL;
tree scope;
tree *scope_ptr = (TREE_CODE (for_stmt) == RANGE_FOR_STMT
? &RANGE_FOR_SCOPE (for_stmt)
: &FOR_SCOPE (for_stmt));
scope = *scope_ptr;
*scope_ptr = NULL;
add_stmt (do_poplevel (scope));
}
@ -959,7 +963,7 @@ begin_range_for_stmt (tree scope, tree init)
tree r;
r = build_stmt (input_location, RANGE_FOR_STMT,
NULL_TREE, NULL_TREE, NULL_TREE);
NULL_TREE, NULL_TREE, NULL_TREE, NULL_TREE);
if (scope == NULL_TREE)
{
@ -972,7 +976,7 @@ begin_range_for_stmt (tree scope, tree init)
pop it now. */
if (init)
pop_stmt_list (init);
TREE_CHAIN (r) = scope;
RANGE_FOR_SCOPE (r) = scope;
return r;
}