From 80aa8340eb9eefbbf55ba9150abec353500573d5 Mon Sep 17 00:00:00 2001 From: Ziemowit Laski Date: Fri, 10 Sep 2004 20:47:34 +0000 Subject: decl.c (objc_get_current_scope, [...]): New functions, to be called from ObjC++. [gcc/cp/ChangeLog] 2004-09-10 Ziemowit Laski * decl.c (objc_get_current_scope, objc_mark_locals_volatile): New functions, to be called from ObjC++. From-SVN: r87321 --- gcc/cp/ChangeLog | 5 +++++ gcc/cp/decl.c | 32 ++++++++++++++++++++++++++++++++ 2 files changed, 37 insertions(+) (limited to 'gcc/cp') diff --git a/gcc/cp/ChangeLog b/gcc/cp/ChangeLog index ab3da7f..2de9a9f 100644 --- a/gcc/cp/ChangeLog +++ b/gcc/cp/ChangeLog @@ -1,3 +1,8 @@ +2004-09-10 Ziemowit Laski + + * decl.c (objc_get_current_scope, objc_mark_locals_volatile): + New functions, to be called from ObjC++. + 2004-09-10 Kazu Hirata * class.c, cp-tree.h, decl.c, decl2.c, mangle.c, diff --git a/gcc/cp/decl.c b/gcc/cp/decl.c index 84a5d9a..f2d8fc2 100644 --- a/gcc/cp/decl.c +++ b/gcc/cp/decl.c @@ -403,6 +403,38 @@ pop_labels (tree block) named_labels = NULL; } +/* The following two routines are used to interface to Objective-C++. + The binding level is purposely treated as an opaque type. */ + +void * +objc_get_current_scope (void) +{ + return current_binding_level; +} + +/* The following routine is used by the NeXT-style SJLJ exceptions; + variables get marked 'volatile' so as to not be clobbered by + _setjmp()/_longjmp() calls. */ + +void +objc_mark_locals_volatile (void *enclosing_blk) +{ + struct cp_binding_level *scope; + + for (scope = current_binding_level; + scope && scope != enclosing_blk && scope->kind == sk_block; + scope = scope->level_chain) + { + tree decl; + + for (decl = scope->names; decl; decl = TREE_CHAIN (decl)) + { + DECL_REGISTER (decl) = 0; + TREE_THIS_VOLATILE (decl) = 1; + } + } +} + /* Exit a binding level. Pop the level off, and restore the state of the identifier-decl mappings that were in effect when this level was entered. -- cgit v1.1