dft.p
dft instructions file parser
description
this lib/bin project is the official tool to parse, lint and fix .dft files
why
while working in the dft project I realized 2 things:
the dft tool itself shouldn't be responsible of parsing the instructions
file, but rather the execution itself
haven't made a parser yet, so... here's one
grammar (BNF)
:=
|
;
:=
;
;
:=
;
:= SET
| ADD
| ALIAS
| MERGE
| IGNORE
| RENAME
| FILTER
| COERCE
| DISTINCT
| VALIDATE
;
:=
| ,
;
:= String
;
:=
|
;
:=
;
:= OR
| TO
| TYPED
| RESCUE
| DEFAULT
| MATCHING
;
:=
|
|
|
|
;
:= f64
| String
| bool
| isize
;
:= FLOAT
| STRING
| INTEGER
| BOOLEAN
;
:= URI
| UUID
| DATE
| TIME
| EMAIL
| DATETIME
;
:= HALT
| NOTIFY
| DISCARD
;
:= EQUALS
| LESSER
| DIFFERS
| GREATER
| EQLESSER
| EQGREATER
;
TODO
[] Improve combinators that return lists
[] Improve error verbosity