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| -rw-r--r-- | gcc/java/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/java/parse.y | 8 |
2 files changed, 14 insertions, 0 deletions
diff --git a/gcc/java/ChangeLog b/gcc/java/ChangeLog index d28b513..5ed93c7 100644 --- a/gcc/java/ChangeLog +++ b/gcc/java/ChangeLog @@ -1,3 +1,9 @@ +2000-11-20 Tom Tromey <tromey@cygnus.com> + Alexandre Petit-Bianco <apbianco@cygnus.com> + + * parse.y (java_complete_lhs): Only allow compound assignment of + reference type if type is String. + 2000-12-09 Alexandre Petit-Bianco <apbianco@cygnus.com> * Make-lang.in (java/jcf-path.o:): libgcj.jar replaces libgcj.zip. diff --git a/gcc/java/parse.y b/gcc/java/parse.y index 9283e57..7761130 100644 --- a/gcc/java/parse.y +++ b/gcc/java/parse.y @@ -11608,6 +11608,14 @@ java_complete_lhs (node) nn = java_complete_tree (build_cast (EXPR_WFL_LINECOL (wfl_op2), TREE_TYPE (lvalue), nn)); + /* If the assignment is compound and has reference type, + then ensure the LHS has type String and nothing else. */ + if (JREFERENCE_TYPE_P (TREE_TYPE (lvalue)) + && ! JSTRING_TYPE_P (TREE_TYPE (lvalue))) + parse_error_context (wfl_op2, + "Incompatible type for `+='. Can't convert `%s' to `java.lang.String'", + lang_printable_name (TREE_TYPE (lvalue), 0)); + /* 15.25.2.b: Left hand is an array access. FIXME */ } |