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Diffstat (limited to 'gcc/java/class.c')
| -rw-r--r-- | gcc/java/class.c | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/gcc/java/class.c b/gcc/java/class.c index 21232e7..dcc5448 100644 --- a/gcc/java/class.c +++ b/gcc/java/class.c @@ -486,6 +486,30 @@ enclosing_context_p (type1, type2) return 0; } +/* Return 1 iff there exists a common enclosing context between TYPE1 + and TYPE2. */ + +int common_enclosing_context_p (type1, type2) + tree type1, type2; +{ + if (!PURE_INNER_CLASS_TYPE_P (type1) && !PURE_INNER_CLASS_TYPE_P (type2)) + return 0; + + for (type1 = TREE_TYPE (DECL_CONTEXT (TYPE_NAME (type1))); type1; + type1 = (PURE_INNER_CLASS_TYPE_P (type1) ? + TREE_TYPE (DECL_CONTEXT (TYPE_NAME (type1))) : NULL_TREE)) + { + tree current; + for (current = TREE_TYPE (DECL_CONTEXT (TYPE_NAME (type2))); current; + current = (PURE_INNER_CLASS_TYPE_P (current) ? + TREE_TYPE (DECL_CONTEXT (TYPE_NAME (current))) : + NULL_TREE)) + if (type1 == current) + return 1; + } + return 0; +} + static void add_interface_do (basetype_vec, interface_class, i) tree basetype_vec, interface_class; |