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| author | zlaski <zlaski@138bc75d-0d04-0410-961f-82ee72b054a4> | 2004-11-02 20:29:21 +0000 |
|---|---|---|
| committer | zlaski <zlaski@138bc75d-0d04-0410-961f-82ee72b054a4> | 2004-11-02 20:29:21 +0000 |
| commit | 3dac5c5e8b764c8efd0695fb852b1707eecd6e7d (patch) | |
| tree | 5a4b016e43899a5b48fc6e95881c03a32063597f /gcc/cp/cp-objcp-common.c | |
| parent | 09e20a5f9cf0f11fb4c4f54b052d6c14b75a7f30 (diff) | |
| download | gcc-3dac5c5e8b764c8efd0695fb852b1707eecd6e7d.tar.gz | |
[gcc/ChangeLog]
2004-11-02 Ziemowit Laski <zlaski@apple.com>
* c-lang.c (LANG_HOOKS_TYPES_COMPATIBLE_P): Remove.
(c_types_compatible_p): Move function definition...
* c-objc-common.c (c_types_compatible_p): ...here.
* c-objc-common.h (LANG_HOOKS_TYPES_COMPATIBLE_P): Moved here from
c-lang.c.
[gcc/cp/ChangeLog]
2004-11-02 Ziemowit Laski <zlaski@apple.com>
* cp-lang.c (cxx_types_compatible_p): Remove prototype and definition.
(LANG_HOOKS_TYPES_COMPATIBLE_P): Move to cp-objcp-common.h.
* cp-objcp-common.c (cxx_types_compatible_p): Moved definition here
from cp-lang.c.
* cp-objcp-common.h (cxx_types_compatible_p): Moved prototype here
from cp-lang.c.
(LANG_HOOKS_TYPES_COMPATIBLE_P): Moved here from cp-lang.c.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@89997 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/cp/cp-objcp-common.c')
| -rw-r--r-- | gcc/cp/cp-objcp-common.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/gcc/cp/cp-objcp-common.c b/gcc/cp/cp-objcp-common.c index b8b8bad6a86..a58549b7326 100644 --- a/gcc/cp/cp-objcp-common.c +++ b/gcc/cp/cp-objcp-common.c @@ -148,6 +148,26 @@ cxx_initialize_diagnostics (diagnostic_context *context) free (base); } +/* This compares two types for equivalence ("compatible" in C-based languages). + This routine should only return 1 if it is sure. It should not be used + in contexts where erroneously returning 0 causes problems. */ + +int +cxx_types_compatible_p (tree x, tree y) +{ + if (same_type_ignoring_top_level_qualifiers_p (x, y)) + return 1; + + /* Once we get to the middle-end, references and pointers are + interchangeable. FIXME should we try to replace all references with + pointers? */ + if (POINTER_TYPE_P (x) && POINTER_TYPE_P (y) + && same_type_p (TREE_TYPE (x), TREE_TYPE (y))) + return 1; + + return 0; +} + /* Stubs to keep c-opts.c happy. */ void push_file_scope (void) |