diff options
Diffstat (limited to 'docs/devel/qapi-code-gen.txt')
| -rw-r--r-- | docs/devel/qapi-code-gen.txt | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/docs/devel/qapi-code-gen.txt b/docs/devel/qapi-code-gen.txt index 2c8b392b20..7ba9066eac 100644 --- a/docs/devel/qapi-code-gen.txt +++ b/docs/devel/qapi-code-gen.txt @@ -752,6 +752,15 @@ gets its generated code guarded like this: #endif /* defined(HAVE_BAR) */ #endif /* defined(CONFIG_FOO) */ +An enum value can be replaced by a dictionary with a 'name' and a 'if' +key. + +Example: a conditional 'bar' enum member. + +{ 'enum': 'IfEnum', 'data': + [ 'foo', + { 'name' : 'bar', 'if': 'defined(IFCOND)' } ] } + Please note that you are responsible to ensure that the C code will compile with an arbitrary combination of conditions, since the generators are unable to check it at this point. |