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c-common.h (add_decl_stmt): Move to cp-tree.h.

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* c-common.h (add_decl_stmt): Move to cp-tree.h.
        * c-decl.c (finish_decl): Don't use add_decl_stmt.
        * c-parse.in: Likewise.
        * c-gimplify.c (gimplify_expr_stmt): Don't build CLEANUP_POINT_EXPR.
        (gimplify_c_loop, gimplify_return_stmt, gimplify_decl_stmt): Likewise.
        * c-semantics.c (add_decl_stmt): Move to cp/semantics.c.
cp/
        * cp-tree.h (add_decl_stmt): Declare.
        * pt.c (tsubst_copy): Abort for CLEANUP_POINT_EXPR.
        * semantics.c (maybe_cleanup_point_expr): New.
        (add_decl_stmt, finish_expr_stmt, finish_return_stmt,
        finish_for_expr, finish_switch_cond): Use it.
        (finalize_nrv_r): Don't build an EXPR_STMT.  Don't frob TREE_CHAIN.

From-SVN: r83409
This commit is contained in:
Richard Henderson 2004-06-20 03:10:02 -07:00 committed by Richard Henderson
parent aa33d72501
commit 543a0daa84
10 changed files with 69 additions and 37 deletions
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9
gcc/ChangeLog
View File

@ -1,3 +1,12 @@
2004-06-20 Richard Henderson <rth@redhat.com>
* c-common.h (add_decl_stmt): Move to cp-tree.h.
* c-decl.c (finish_decl): Don't use add_decl_stmt.
* c-parse.in: Likewise.
* c-gimplify.c (gimplify_expr_stmt): Don't build CLEANUP_POINT_EXPR.
(gimplify_c_loop, gimplify_return_stmt, gimplify_decl_stmt): Likewise.
* c-semantics.c (add_decl_stmt): Move to cp/semantics.c.
2004-06-20 Richard Henderson <rth@redhat.com>
* c-common.def (IF_STMT, CLEANUP_STMT): Move to cp-tree.def.

1
gcc/c-common.h
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@ -294,7 +294,6 @@ extern tree push_stmt_list (void);
extern tree re_push_stmt_list (tree);
extern tree pop_stmt_list (tree);
extern tree add_stmt (tree);
extern void add_decl_stmt (tree);
extern void push_cleanup (tree, tree, bool);
extern tree walk_stmt_tree (tree *, walk_tree_fn, void *);

4
gcc/c-decl.c
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@ -2940,7 +2940,7 @@ finish_decl (tree decl, tree init, tree asmspec_tree)
}
if (TREE_CODE (decl) != FUNCTION_DECL)
add_decl_stmt (decl);
add_stmt (build_stmt (DECL_STMT, decl));
}
if (!DECL_FILE_SCOPE_P (decl))
@ -2967,7 +2967,7 @@ finish_decl (tree decl, tree init, tree asmspec_tree)
{
if (!DECL_FILE_SCOPE_P (decl)
&& variably_modified_type_p (TREE_TYPE (decl)))
add_decl_stmt (decl);
add_stmt (build_stmt (DECL_STMT, decl));
rest_of_decl_compilation (decl, NULL, DECL_FILE_SCOPE_P (decl), 0);
}

8
gcc/c-gimplify.c
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@ -249,8 +249,6 @@ gimplify_expr_stmt (tree *stmt_p)
if (stmt == NULL_TREE)
stmt = build_empty_stmt ();
else if (stmts_are_full_exprs_p ())
stmt = build1 (CLEANUP_POINT_EXPR, void_type_node, stmt);
*stmt_p = stmt;
@ -383,8 +381,6 @@ gimplify_c_loop (tree cond, tree body, tree incr, bool cond_is_first)
cont_block = begin_bc_block (bc_continue);
gimplify_stmt (&body);
if (incr && stmts_are_full_exprs_p ())
incr = fold (build1 (CLEANUP_POINT_EXPR, void_type_node, incr));
gimplify_stmt (&incr);
body = finish_bc_block (cont_block, body);
@ -483,8 +479,6 @@ gimplify_return_stmt (tree *stmt_p)
{
tree expr = RETURN_STMT_EXPR (*stmt_p);
expr = build1 (RETURN_EXPR, void_type_node, expr);
if (stmts_are_full_exprs_p ())
expr = build1 (CLEANUP_POINT_EXPR, void_type_node, expr);
*stmt_p = expr;
return GS_OK;
}
@ -553,8 +547,6 @@ gimplify_decl_stmt (tree *stmt_p)
DECL_INITIAL (decl) = NULL_TREE;
init = build (MODIFY_EXPR, void_type_node, decl, init);
if (stmts_are_full_exprs_p ())
init = build1 (CLEANUP_POINT_EXPR, void_type_node, init);
append_to_compound_expr (init, &pre);
}
else

6
gcc/c-parse.in
View File

@ -1540,7 +1540,7 @@ nested_function:
add_stmt ($6);
finish_function ();
pop_function_context ();
add_decl_stmt (decl); }
add_stmt (build_stmt (DECL_STMT, decl)); }
;
notype_nested_function:
@ -1570,7 +1570,7 @@ notype_nested_function:
add_stmt ($6);
finish_function ();
pop_function_context ();
add_decl_stmt (decl); }
add_stmt (build_stmt (DECL_STMT, decl)); }
;
/* Any kind of declarator (thus, all declarators allowed
@ -2019,7 +2019,7 @@ label_decl:
{
tree label = declare_label (TREE_VALUE (link));
C_DECLARED_LABEL_FLAG (label) = 1;
add_decl_stmt (label);
add_stmt (build_stmt (DECL_STMT, label));
}
}
;

13
gcc/c-semantics.c
View File

@ -145,19 +145,6 @@ add_stmt (tree t)
return t;
}
/* Create a declaration statement for the declaration given by the
DECL. */
void
add_decl_stmt (tree decl)
{
tree decl_stmt;
/* We need the type to last until instantiation time. */
decl_stmt = build_stmt (DECL_STMT, decl);
add_stmt (decl_stmt);
}
/* Build a generic statement based on the given type of node and
arguments. Similar to `build_nt', except that we set
EXPR_LOCUS to be the current source location. */

9
gcc/cp/ChangeLog
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@ -1,3 +1,12 @@
2004-06-20 Richard Henderson <rth@redhat.com>
* cp-tree.h (add_decl_stmt): Declare.
* pt.c (tsubst_copy): Abort for CLEANUP_POINT_EXPR.
* semantics.c (maybe_cleanup_point_expr): New.
(add_decl_stmt, finish_expr_stmt, finish_return_stmt,
finish_for_expr, finish_switch_cond): Use it.
(finalize_nrv_r): Don't build an EXPR_STMT. Don't frob TREE_CHAIN.
2004-06-20 Richard Henderson <rth@redhat.com>
* cp-tree.def (CLEANUP_STMT, IF_STMT): Move from c-common.def.

1
gcc/cp/cp-tree.h
View File

@ -4028,6 +4028,7 @@ extern void pop_to_parent_deferring_access_checks (void);
extern void perform_deferred_access_checks (void);
extern void perform_or_defer_access_check (tree, tree);
extern void init_cp_semantics (void);
extern void add_decl_stmt (tree);
extern tree finish_expr_stmt (tree);
extern tree begin_if_stmt (void);
extern void finish_if_stmt_cond (tree, tree);

6
gcc/cp/pt.c
View File

@ -7726,6 +7726,12 @@ tsubst_copy (tree t, tree args, tsubst_flags_t complain, tree in_decl)
in_decl),
tsubst (TREE_TYPE (t), args, complain, in_decl));
case CLEANUP_POINT_EXPR:
/* We shouldn't have built any of these during initial template
generation. Instead, they should be built during instantiation
in response to the saved STMT_IS_FULL_EXPR_P setting. */
abort ();
default:
return t;
}

49
gcc/cp/semantics.c
View File

@ -304,6 +304,27 @@ current_stmt_tree (void)
: &scope_chain->x_stmt_tree);
}
/* If statements are full expressions, wrap STMT in a CLEANUP_POINT_EXPR. */
static tree
maybe_cleanup_point_expr (tree expr)
{
if (!processing_template_decl && stmts_are_full_exprs_p ())
expr = fold (build1 (CLEANUP_POINT_EXPR, TREE_TYPE (expr), expr));
return expr;
}
/* Create a declaration statement for the declaration given by the DECL. */
void
add_decl_stmt (tree decl)
{
tree r = build_stmt (DECL_STMT, decl);
if (DECL_INITIAL (decl))
r = maybe_cleanup_point_expr (r);
add_stmt (r);
}
/* Nonzero if TYPE is an anonymous union or struct type. We have to use a
flag for this because "A union for which objects or pointers are
declared is not an anonymous union" [class.union]. */
@ -478,8 +499,13 @@ finish_expr_stmt (tree expr)
/* Simplification of inner statement expressions, compound exprs,
etc can result in the us already having an EXPR_STMT. */
if (TREE_CODE (expr) != EXPR_STMT)
expr = build_stmt (EXPR_STMT, expr);
if (TREE_CODE (expr) != CLEANUP_POINT_EXPR)
{
if (TREE_CODE (expr) != EXPR_STMT)
expr = build_stmt (EXPR_STMT, expr);
expr = maybe_cleanup_point_expr (expr);
}
r = add_stmt (expr);
}
@ -636,7 +662,10 @@ finish_return_stmt (tree expr)
return finish_goto_stmt (dtor_label);
}
}
r = add_stmt (build_stmt (RETURN_STMT, expr));
r = build_stmt (RETURN_STMT, expr);
r = maybe_cleanup_point_expr (r);
r = add_stmt (r);
finish_stmt ();
return r;
@ -690,13 +719,16 @@ finish_for_cond (tree cond, tree for_stmt)
void
finish_for_expr (tree expr, tree for_stmt)
{
if (!expr)
return;
/* If EXPR is an overloaded function, issue an error; there is no
context available to use to perform overload resolution. */
if (expr && type_unknown_p (expr))
if (type_unknown_p (expr))
{
cxx_incomplete_type_error (expr, TREE_TYPE (expr));
expr = error_mark_node;
}
expr = maybe_cleanup_point_expr (expr);
FOR_EXPR (for_stmt) = expr;
}
@ -777,7 +809,7 @@ finish_switch_cond (tree cond, tree switch_stmt)
Integral promotions are performed. */
cond = perform_integral_promotions (cond);
cond = fold (build1 (CLEANUP_POINT_EXPR, TREE_TYPE (cond), cond));
cond = maybe_cleanup_point_expr (cond);
}
if (cond != error_mark_node)
@ -1499,8 +1531,7 @@ finish_stmt_expr (tree stmt_expr, bool has_no_scope)
init = TREE_OPERAND (target_expr, 1);
type = TREE_TYPE (init);
if (stmts_are_full_exprs_p ())
init = fold (build1 (CLEANUP_POINT_EXPR, type, init));
init = maybe_cleanup_point_expr (init);
*result_stmt_p = init;
if (VOID_TYPE_P (type))
@ -2995,10 +3026,8 @@ finalize_nrv_r (tree* tp, int* walk_subtrees, void* data)
DECL_INITIAL (dp->var) = error_mark_node;
}
else
init = NULL_TREE;
init = build_stmt (EXPR_STMT, init);
init = build_empty_stmt ();
SET_EXPR_LOCUS (init, EXPR_LOCUS (*tp));
TREE_CHAIN (init) = TREE_CHAIN (*tp);
*tp = init;
}
/* And replace all uses of the NRV with the RESULT_DECL. */