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Make function arguments retain position info

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This allows querying the location of function arguments. E.g.

  builtins.unsafeGetAttrPos "x" (builtins.functionArgs ({ x }: null))

  => { column = 57; file = "/home/infinisil/src/nix/inst/test.nix"; line = 1; }
This commit is contained in:
Silvan Mosberger 2020-04-02 05:03:58 +02:00
parent a7540294cf
commit c34e96f7e0
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5 changed files with 14 additions and 5 deletions
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4
src/libexpr/parser.y
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@ -531,8 +531,8 @@ formals
;
formal
: ID { $$ = new Formal(data->symbols.create($1), 0); }
| ID '?' expr { $$ = new Formal(data->symbols.create($1), $3); }
: ID { $$ = new Formal(CUR_POS, data->symbols.create($1), 0); }
| ID '?' expr { $$ = new Formal(CUR_POS, data->symbols.create($1), $3); }
;
%%