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Diffstat (limited to 'gcc/objc/objc-tree.def')
| -rw-r--r-- | gcc/objc/objc-tree.def | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/gcc/objc/objc-tree.def b/gcc/objc/objc-tree.def index b56734789d8..5da2671c79e 100644 --- a/gcc/objc/objc-tree.def +++ b/gcc/objc/objc-tree.def @@ -40,6 +40,24 @@ DEFTREECODE (PROPERTY_DECL, "property_decl", tcc_declaration, 0) DEFTREECODE (MESSAGE_SEND_EXPR, "message_send_expr", tcc_expression, 3) DEFTREECODE (CLASS_REFERENCE_EXPR, "class_reference_expr", tcc_expression, 1) +/* This tree is used to represent the expression 'object.property', + where 'object' is an Objective-C object and 'property' is an + Objective-C property. Operand 0 is the object (the tree + representing the expression), and Operand 1 is the property (the + PROPERTY_DECL). A PROPERTY_REF tree needs to be transformed into + 'setter' and 'getter' calls at some point; at the moment this + happens in two places: + + * if we detect that a modify expression is being applied to a + PROPERTY_REF, then we transform that into a 'getter' call (this + happens in build_modify_expr() or cp_build_modify_expr()). + + * else, it will remain as a PROPERTY_REF until we get to + gimplification; at that point, we convert each PROPERTY_REF into + a 'getter' call during ObjC/ObjC++ gimplify. +*/ +DEFTREECODE (PROPERTY_REF, "property_ref", tcc_expression, 2) + /* Local variables: mode:c |