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add pkg-kw tokens

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This commit is contained in:
Scott Richmond 2024-05-20 18:04:24 -04:00
parent 94adf5e9d5
commit 23128902bc
1 changed files with 11 additions and 1 deletions
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12
janet/scanner.janet
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@ -169,6 +169,15 @@
:else (add-error scanner (string "Unexpected " char "after keyword :" key)))))
(recur scanner ""))
(defn- add-pkg-kw [scanner]
(defn recur [scanner key]
(let [char (current-char scanner)]
(cond
(terminates? char) (add-token scanner :pkg-kw (keyword key))
(word-char? char) (recur (advance scanner) (string key char))
:else (add-error scanner (string "Unexpected " char " after pkg keyword :" key)))))
(recur scanner ""))
(defn- read-literal [lit] (-> lit parse-all first))
### TODO: consider whether Janet's number rules are right for Ludus
@ -299,7 +308,8 @@
# XXX: make sure we want only lower-only keywords
":" (cond
(lower? next) (add-keyword scanner)
:else (add-error scanner (string "Expected keyword. Got " char next)))
(upper? next) (add-pkg-kw scanner)
:else (add-error scanner (string "Expected keyword or pkg keyword. Got " char next)))
## splats
"." (let [after_next (current-char (advance scanner))]