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janet
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Fix broken doc format. 

Many assumptions in the parsing code that could cause infinite
loops, as well as assuming things were non-nil.
This commit is contained in:
Calvin Rose 2021-01-17 11:36:48 -06:00
parent 848d4a1498
commit c5da87b860
1 changed files with 15 additions and 17 deletions
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32
src/boot/boot.janet
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@ -1798,7 +1798,7 @@
(defn skip-line-indent []
(var pos* pos)
(set c (get str pos*))
(while (and (not= nil c)
(while (and c
(not= 10 c)
(= 32 c))
(set c (get str (++ pos*))))
@ -1807,7 +1807,8 @@
(defn update-levels []
(while (< leading (array/peek levels))
(array/pop levels)))
(array/pop levels)
(if (empty? levels) (break))))
(defn start-nl? []
(= 10 (get str pos)))
@ -1831,8 +1832,7 @@
(defn start-ul? []
(var pos* pos)
(var c* (get str pos*))
(while (and (not= nil c*)
(= 32 c*))
(while (and c* (= 32 c*))
(set c* (get str (++ pos*))))
(and (or (= 42 c*)
(= 43 c*)
@ -1842,10 +1842,9 @@
(defn start-ol? []
(var pos* pos)
(var c* (get str pos*))
(while (and (not= nil c*)
(= 32 c*))
(while (and c* (= 32 c*))
(set c* (get str (++ pos*))))
(while (and (not= nil c*)
(while (and c*
(<= 48 c*)
(>= 57 c*))
(set c* (get str (++ pos*))))
@ -1858,10 +1857,10 @@
(defn push-line []
(buffer/push-string res (buffer/new-filled indent 32))
(set c (get str pos))
(while (not= 10 c)
(while (and c (not= 10 c))
(buffer/push-byte res c)
(set c (get str (++ pos))))
(buffer/push-byte res c)
(buffer/push-byte res 10)
(++ pos))
(defn push-bullet []
@ -1869,11 +1868,11 @@
(buffer/push-string line (buffer/new-filled leading 32))
(set c (get str pos*))
# Add bullet
(while (and (not= nil c) (not= 32 c))
(while (and c (not= 32 c))
(buffer/push-byte line c)
(set c (get str (++ pos*))))
# Add item indentation
(while (and (not= nil c) (= 32 c))
(while (= 32 c)
(buffer/push-byte line c)
(set c (get str (++ pos*))))
# Record indentation if necessary
@ -1889,7 +1888,7 @@
(def word @"")
(var word-len 0)
# Build a word
(while (and (not= nil c)
(while (and c
(not= 10 c)
(not= 32 c))
(buffer/push-byte word c)
@ -1926,7 +1925,7 @@
(push-bullet)
# Add words
(set c (get str pos))
(while (and (not= nil c)
(while (and c
(not= 10 c))
# Skip spaces
(while (= 32 c)
@ -1950,14 +1949,14 @@
(defn push-fcb []
(update-levels)
(push-line)
(while (not (end-fcb?))
(while (and (< pos len) (not (end-fcb?)))
(push-line))
(push-line))
(defn push-icb []
(buffer/push-string res (buffer/new-filled leading 32))
(push-line)
(while (not (start-nl?))
(while (and (< pos len) (not (start-nl?)))
(push-line))
(push-nl))
@ -1970,8 +1969,7 @@
(set line-width para-indent)
# Add words
(set c (get str pos))
(while (and (not= nil c)
(not= 10 c))
(while (and c (not= 10 c))
# Skip spaces
(while (= 32 c)
(set c (get str (++ pos))))