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| author | Tom Tromey <tromey@redhat.com> | 2002-02-06 21:53:59 +0000 |
|---|---|---|
| committer | Tom Tromey <tromey@gcc.gnu.org> | 2002-02-06 21:53:59 +0000 |
| commit | 199ecb183b32d791550aa97bd377532d742a62c1 (patch) | |
| tree | 3806bc869225f6b52ce0fdf978c60ab87dbb1a5b /libjava/verify.cc | |
| parent | 5e3f4df7feb38b41060ace60ed7701d9fec9d603 (diff) | |
| download | gcc-199ecb183b32d791550aa97bd377532d742a62c1.zip gcc-199ecb183b32d791550aa97bd377532d742a62c1.tar.gz gcc-199ecb183b32d791550aa97bd377532d742a62c1.tar.bz2 | |
verify.cc (type::isnull): New method.
* verify.cc (type::isnull): New method.
(require_array_type): Handle case where array is null.
(verify_instructions_0) [op_arraylength]: Likewise.
From-SVN: r49555
Diffstat (limited to 'libjava/verify.cc')
| -rw-r--r-- | libjava/verify.cc | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/libjava/verify.cc b/libjava/verify.cc index c9cfb88..46cee15 100644 --- a/libjava/verify.cc +++ b/libjava/verify.cc @@ -522,6 +522,11 @@ private: return false; } + bool isnull () const + { + return key == null_type; + } + bool isinterface (_Jv_BytecodeVerifier *verifier) { resolve (verifier); @@ -1161,6 +1166,10 @@ private: // compatible with type ELEMENT. Returns the actual element type. type require_array_type (type array, type element) { + // An odd case. Here we just pretend that everything went ok. + if (array.isnull ()) + return element; + if (! array.isarray ()) verify_fail ("array required"); @@ -2796,7 +2805,7 @@ private: case op_arraylength: { type t = pop_type (reference_type); - if (! t.isarray ()) + if (! t.isarray () && ! t.isnull ()) verify_fail ("array type expected"); push_type (int_type); } |