diff options
Diffstat (limited to 'gdb/expression.h')
| -rw-r--r-- | gdb/expression.h | 24 |
1 files changed, 20 insertions, 4 deletions
diff --git a/gdb/expression.h b/gdb/expression.h index 34e002f3a28..c1f36a1d36e 100644 --- a/gdb/expression.h +++ b/gdb/expression.h @@ -181,6 +181,12 @@ enum exp_opcode making three exp_elements. */ OP_FUNCALL, + /* OP_MSGCALL is followed by a string in the next exp_element and then an + integer. The string is the selector string. The integer is the number + of arguments to the message call. That many plus one values are used, + the first one being the object pointer. This is an Objective C message */ + OP_MSGCALL, + /* This is EXACTLY like OP_FUNCALL but is semantically different. In F77, array subscript expressions, substring expressions and function calls are all exactly the same syntactically. They may @@ -273,11 +279,18 @@ enum exp_opcode STRUCTOP_STRUCT, STRUCTOP_PTR, - /* C++ */ - /* OP_THIS is just a placeholder for the class instance variable. + /* C++: + OP_THIS is just a placeholder for the class instance variable. It just comes in a tight (OP_THIS, OP_THIS) pair. */ OP_THIS, + /* Objective C: "@selector" pseudo-operator */ + OP_SELECTOR, + + /* Objective C: OP_SELF is just a placeholder for the class instance + variable. It just comes in a tight (OP_SELF, OP_SELF) pair. */ + OP_SELF, + /* OP_SCOPE surrounds a type name and a field name. The type name is encoded as one element, but the field name stays as a string, which, of course, is variable length. */ @@ -305,7 +318,10 @@ enum exp_opcode OP_NAME, /* An unparsed expression. Used for Scheme (for now at least) */ - OP_EXPRSTRING + OP_EXPRSTRING, + + /* An Objective C Foundation Class NSString constant */ + OP_NSSTRING }; union exp_element @@ -350,7 +366,7 @@ extern struct block *innermost_block; /* From eval.c */ -/* Values of NOSIDE argument to eval_subexp. */ +/* Values of NOSIDE argument to evaluate_subexp. */ enum noside { |