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The clause for handling #c_values{} in is_simple_term/1 is never
executed. It can be safely removed, since there is a default clause
that will return 'false' in the extremly unlikely event that a
Without the clause, code such as:
let <_v1,_v2> = <1,2>
in {_v1,_v2}
would be printed with an extra newline:
let <_v1,_v2> =
<1,2>
in {_v1,_v2}
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Don't try to be nice. Since we now have good test suites for
Core Erlang, just let it crash.
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We will get more information if we don't catch the exception.
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Map patterns are never represented as literals. Therefore, a map
literal should always be printed with the 'assoc' operator. That also
means that there is no remaining use of the 'class' field and that it
can be removed from the 'ctxt' record.
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This will speed up test cases that print all annotations.
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We are about to deprecate core_lib:get_anno/1 and core_lib:set_anno/2,
so we should stop using them in the compiler.
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Use the same syntax for map pairs in Core Erlang code as in the
Erlang Code. This Erlang code:
M#{x:=42,y=>1}
will look like this in Core Erlang:
~{'x':=42,'y'=>1|M}~
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A map key in a pattern would be incorrectly pretty-printed.
As an example, the pattern in:
x() ->
#{ #{ a => 3 } := 42 } = X.
would be pretty-printed as:
<~{~<~{~<'a',3>}~,42>}~
instead of:
<~{~<~{::<'a',3>}~,42>}~
When this problem has been corrected, the workaround for it in
cerl:ann_c_map/3 can be removed. The workaround was not harmless,
as it would cause the following map update to incorrectly succeed:
(#{})#{a:=1}
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Key and value were interchanged.
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Not only variables are allowed as arguments, the name should reflect that.
Change cerl Map argument interface
* cerl:map_arg/1 is more suitable then cerl:map_val/1 in this case.
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Ex.
Instead of:
M~{~<K,V>}~
The format is now:
~{~<K,V>|M}~
This also removes a shift/reduce warning.
The changes in core_pp now requires compiler-5.0 to compile
because of is_map/1 guard, i.e. a need for a compiler with Maps know-how.
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Simplify compiler internals and parsing of core format.
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