[erlang-patches] Put compile options from code into parse_transform/2 options variable
Fred Hebert
mononcqc@REDACTED
Thu May 1 14:51:04 CEST 2014
What happens if I have a module defined as:
-module(dummy_module).
-compile({parse_transform, dummy_transform1}).
-compile({parse_transform, dummy_transform2}).
-compile(dummy_transform_option).
-compile(other_dummy_transform_option).
How does that end up working?
Regards,
Fred.
On 05/01, Enrique Fernández Casado wrote:
> Put compile options from code (i.e. -compile(myoption1)) into the options
> variable used as second argument in parse_transform/2. This makes it
> possible to access all compile options (i.e. the ones specified in the
> command-line and the ones specified in code) in a consistent way.
>
> Here is a simple example:
>
> (dummy_module.erl)
>
> -module(dummy_module).
>
> -compile({parse_transform, dummy_transform}).
> -compile(dummy_transform_option1).
>
>
>
> (dummy_transform.erl)
>
> -module(dummy_transform).
>
> -export([parse_transform/2]).
>
> parse_transform(Forms, Opts) ->
> true = lists:member(dummy_transform_option1, Opts),
> Forms.
>
>
> Links:
>
> git fetch git://github.com/efcasado/otp.git compile-options
>
> https://github.com/efcasado/otp/compare/erlang:maint...compile-options
> https://github.com/efcasado/otp/compare/erlang:maint...compile-options.patch
>
> https://github.com/erlang/otp/pull/350
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