From 6bafa882baaca4441de0b74665c4d5c69e79f4e8 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Rapha=C3=ABl=20Bournhonesque?= <raphael@bournhonesque.eu>
Date: Tue, 31 Oct 2023 13:48:00 +0100
Subject: [PATCH] chore: add first version of trace grammar

---
 data/grammars/traces.lark | 84 +++++++++++++++++++++++++++++++++++++++
 1 file changed, 84 insertions(+)
 create mode 100644 data/grammars/traces.lark

diff --git a/data/grammars/traces.lark b/data/grammars/traces.lark
new file mode 100644
index 0000000000..e449919c7d
--- /dev/null
+++ b/data/grammars/traces.lark
@@ -0,0 +1,84 @@
+// match any non-whitespace word that is not detected by other rule/terminal
+// it has priority 0, lower than packaging related terminals that have priority
+// 1, so it matches words that were not detected by other terminals
+OTHER: /[^\s]+/
+
+
+// ## FR ##
+
+INGREDIENTS_FR.1: /\bfruits? [aà] coques?\b/
+                | /\bcacahu[èe]tes?\b/
+                | /\bnoix\b/
+                | /\b(graines? de )?s[ée]sames?\b/
+                | /\bsulfites?\b/
+                | /\bc[ée]r[ée]ales?\b/
+                | /\barachides?\b/
+                | /\bgluten\b/
+                | /\blait\b/
+                | /\bsoja\b/
+                | /\blupin\b/
+                | /\boeufs?\b/
+                | /\bœufs?\b/
+                | /\bc[ée]leris?\b/
+                | /\bcrustac[ée]s?\b/
+                | /\bmollusques?\b/
+                | /\bpoissons?\b/
+                | /\bavoines?\b/
+                | /\bmoutardes?\b/
+                | /\bnoisettes?\b/
+                | /\bpistaches?\b/
+                | /\bamandes?\b/
+
+
+OF_FR.1: /\bdes?\b/
+       | /\bd\'/
+       | /\bd\b/
+       | /\bdu\b/
+
+POSSIBLE_FR.1: /\b[ée]ventuelles?\b/
+             | /\bpossibles?\b/
+
+PRODUCTED_FR.1: /\bfabriqu[ée]\b/
+              | /\bélabor[ée]\b/
+
+THAT_USES_FR.1: /\bqui utilise\b/
+             | /\butilisant\b/
+
+// Peut contenir des traces de fruits à coque, de cacahuete de sésame, de sulfites et de gluten
+manufactured_in_fr: ("produit"i WS)? PRODUCTED_FR WS "dans" WS "un" WS "atelier" WS THAT_USES_FR WS? (":" WS)? trace_list_fr
+can_contain_fr: ("peut"i WS "contenir" WS "des" WS)? "traces"i WS (POSSIBLE_FR? WS)? ("de"? WS? ":" WS?)? trace_list_fr
+can_contain_2_fr: "peut"i WS "contenir" WS? (":" WS?)? trace_list_fr
+contains_fr: "contient"i (WS "naturellement")? WS trace_list_fr
+
+trace_list_fr: (OF_FR WS?)? INGREDIENTS_FR (WS? ("," WS?)? (("et" WS)? (OF_FR WS?)?)? INGREDIENTS_FR)*
+traces_fr: can_contain_fr | can_contain_2_fr | contains_fr | manufactured_in_fr
+
+// ## EN ##
+
+INGREDIENTS_EN.1: /\bnuts?\b/
+                | /\bpeanuts?\b/
+                | /\bsesame\b/
+                | /\bsulphites?\b/
+                | /\bgluten\b/
+                | /\bmilk\b/
+                | /\bsoya?\b/
+                | /\bwheat\b/
+                | /\beggs?\b/
+                | /\bmustard\b/
+                | /\bgluten\b/
+                | /\bcelery\b/
+                | /\bbarley\b/
+
+// It may contain traces of nuts, peanuts, sesame, sulphites and gluten.
+can_contain_en: ("it"i WS)? "may" WS "contain" WS ("traces" WS "of" WS)? trace_list_en
+contain_en: "contains"i (WS "traces" WS "of")? (WS? ":" WS?)? trace_list_en
+manufactured_in_en: "prepared"i WS "in" WS "premises" WS "where" WS "traces" WS "of" WS trace_list_en WS "are" WS "used"
+trace_list_en: INGREDIENTS_EN (WS? ("," WS)? (("and" WS)? ("of" WS)?)? INGREDIENTS_EN)*
+traces_en: can_contain_en | contain_en | manufactured_in_en
+
+traces: traces_fr | traces_en
+start: (traces | junk | WS)+
+// all other words
+junk: OTHER+
+
+%import common.WS