Extending struct_info for erlang bindings
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Key: THRIFT-1126
URL: https://issues.apache.org/jira/browse/THRIFT-1126
Project: Thrift
Issue Type: Improvement
Components: Erlang - Compiler
Reporter: Anatoly Kanivetsky
Attachments: thrift-1086852.diff
In addition to recently fixed THRIFT-27, I've made some extra changes, if no
one objects.
In this patch i've added more type specifiers to generated records.
Now it covers all possible types (I've forgot about list(), map() and
#another_record{}).
It now initializes all record fields without default value with 'undefined'.
This is a bit redundant, but I like it. (maybe you're not? let me know if you
have some objections!).
Also in this patch adds generation of additional structure info, that might be
useful from runtime.
It contains:
* FieldID,
* FieldReq,
* FieldType
* Identifier
* ConstValue
ConstValue is constructed everytime when struct_info_ext(...) is called.
This isn't good, but perhaps, it is ok if erlang optimizes such things. Does it?
I planned to use struct_info_ext(...) in further modifications of erlang thrift
library, to implement runtime validation of presence of required fields during
reading/writing, and to avoid encoding of optional fields with default values.
But it is pretty usable of itself.
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