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| author | Joel Brobecker <brobecker@gnat.com> | 2012-10-19 19:55:55 +0000 |
|---|---|---|
| committer | Joel Brobecker <brobecker@gnat.com> | 2012-10-19 19:55:55 +0000 |
| commit | eef622ee1e8b1c8d6c9fb102e4c8103aeb70cea5 (patch) | |
| tree | c1959a8bbf7b5c4adc4a3f4b8cb0e19f85cb9579 /gdb/parser-defs.h | |
| parent | 9488100b8787340925ca1e59164dde6d4d2cf436 (diff) | |
| download | gdb-eef622ee1e8b1c8d6c9fb102e4c8103aeb70cea5.tar.gz | |
Document exp_descriptor.op_name should never return NULL.
This documents a constaint that struct exp_descriptor's "op_name"
method implementation should obey. This might not have been part
of the initial design, but is currently true of all instantiations,
and already assumed by the current users.
gdb/ChangeLog:
* parser-defs.h (struct exp_descriptor): Document constraint
on return value for "op_name" callbacks.
Diffstat (limited to 'gdb/parser-defs.h')
| -rw-r--r-- | gdb/parser-defs.h | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/gdb/parser-defs.h b/gdb/parser-defs.h index 86f3bdf1063..c889d56e0b0 100644 --- a/gdb/parser-defs.h +++ b/gdb/parser-defs.h @@ -335,7 +335,10 @@ struct exp_descriptor void *data), void *data); - /* Name of this operator for dumping purposes. */ + /* Name of this operator for dumping purposes. + The returned value should never be NULL, even if EXP_OPCODE is + an unknown opcode (a string containing an image of the numeric + value of the opcode can be returned, for instance). */ char *(*op_name) (enum exp_opcode); /* Dump the rest of this (prefix) expression after the operator |