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-rw-r--r--stdlib/source/lux/data/text/regex.lux14
-rw-r--r--stdlib/source/lux/tool/compiler/phase/generation/js/runtime.lux51
-rw-r--r--stdlib/source/lux/tool/compiler/phase/generation/lua/runtime.lux3
-rw-r--r--stdlib/source/lux/tool/compiler/phase/generation/python/runtime.lux51
-rw-r--r--stdlib/source/lux/tool/compiler/phase/generation/ruby/runtime.lux51
-rw-r--r--stdlib/source/test/lux.lux2
-rw-r--r--stdlib/source/test/lux/data/text/regex.lux40
7 files changed, 116 insertions, 96 deletions
diff --git a/stdlib/source/lux/data/text/regex.lux b/stdlib/source/lux/data/text/regex.lux
index 5e867b9b6..73b6dab3b 100644
--- a/stdlib/source/lux/data/text/regex.lux
+++ b/stdlib/source/lux/data/text/regex.lux
@@ -360,17 +360,15 @@
(do p.monad
[#let [sub^ (re-sequential^ capturing? re-scoped^ current-module)]
head sub^
- tail (p.some (p.after (l.this "|") sub^))
- #let [g!op (code.identifier ["" " alt "])]]
+ tail (p.some (p.after (l.this "|") sub^))]
(if (list.empty? tail)
(wrap head)
(wrap [(list@fold n/max (product.left head) (list@map product.left tail))
- (` (let [(~ g!op) (~ (if capturing?
- (` (~! |||^))
- (` (~! |||_^))))]
- ($_ (~ g!op)
- (~ (prep-alternative head))
- (~+ (list@map prep-alternative tail)))))]))))
+ (` ($_ ((~ (if capturing?
+ (` (~! |||^))
+ (` (~! |||_^)))))
+ (~ (prep-alternative head))
+ (~+ (list@map prep-alternative tail))))]))))
(def: (re-scoped^ current-module)
(-> Text (l.Lexer [Re-Group Code]))
diff --git a/stdlib/source/lux/tool/compiler/phase/generation/js/runtime.lux b/stdlib/source/lux/tool/compiler/phase/generation/js/runtime.lux
index f492479d4..8908c3335 100644
--- a/stdlib/source/lux/tool/compiler/phase/generation/js/runtime.lux
+++ b/stdlib/source/lux/tool/compiler/phase/generation/js/runtime.lux
@@ -177,30 +177,33 @@
@lux//program-args
))
-(runtime: (tuple//left lefts tuple)
- (with-vars [last-index-right]
- ($_ _.then
- (_.define last-index-right (..last-index tuple))
- (_.if (_.> lefts last-index-right)
- ## No need for recursion
- (_.return (_.at lefts tuple))
- ## Needs recursion
- (_.return (tuple//left (_.- last-index-right lefts)
- (_.at last-index-right tuple)))))))
-
-(runtime: (tuple//right lefts tuple)
- (with-vars [last-index-right right-index]
- ($_ _.then
- (_.define last-index-right (..last-index tuple))
- (_.define right-index (_.+ (_.i32 +1) lefts))
- (_.cond (list [(_.= right-index last-index-right)
- (_.return (_.at right-index tuple))]
- [(_.> right-index last-index-right)
- ## Needs recursion.
- (_.return (tuple//right (_.- last-index-right lefts)
- (_.at last-index-right tuple)))])
- (_.return (_.do "slice" (list right-index) tuple)))
- )))
+(with-expansions [<recur> (as-is ($_ _.then
+ (_.set lefts (_.- last-index-right lefts))
+ (_.set tuple (_.at last-index-right tuple))))]
+ (runtime: (tuple//left lefts tuple)
+ (with-vars [last-index-right]
+ (<| (_.while (_.boolean true))
+ ($_ _.then
+ (_.define last-index-right (..last-index tuple))
+ (_.if (_.> lefts last-index-right)
+ ## No need for recursion
+ (_.return (_.at lefts tuple))
+ ## Needs recursion
+ <recur>)))))
+
+ (runtime: (tuple//right lefts tuple)
+ (with-vars [last-index-right right-index]
+ (<| (_.while (_.boolean true))
+ ($_ _.then
+ (_.define last-index-right (..last-index tuple))
+ (_.define right-index (_.+ (_.i32 +1) lefts))
+ (_.cond (list [(_.= right-index last-index-right)
+ (_.return (_.at right-index tuple))]
+ [(_.> right-index last-index-right)
+ ## Needs recursion.
+ <recur>])
+ (_.return (_.do "slice" (list right-index) tuple)))
+ )))))
(runtime: (sum//get sum wants-last wanted-tag)
(let [no-match! (_.return _.null)
diff --git a/stdlib/source/lux/tool/compiler/phase/generation/lua/runtime.lux b/stdlib/source/lux/tool/compiler/phase/generation/lua/runtime.lux
index 5e45682d1..648d35d32 100644
--- a/stdlib/source/lux/tool/compiler/phase/generation/lua/runtime.lux
+++ b/stdlib/source/lux/tool/compiler/phase/generation/lua/runtime.lux
@@ -137,6 +137,9 @@
(def: last-index (|>> _.length (_.- (_.int +1))))
+## No need to turn tuple//left and tuple//right into loops, as Lua
+## does tail-call optimization.
+## https://www.lua.org/pil/6.3.html
(runtime: (tuple//left lefts tuple)
(with-vars [last-right]
($_ _.then
diff --git a/stdlib/source/lux/tool/compiler/phase/generation/python/runtime.lux b/stdlib/source/lux/tool/compiler/phase/generation/python/runtime.lux
index bdb0a8d2b..896b9e18a 100644
--- a/stdlib/source/lux/tool/compiler/phase/generation/python/runtime.lux
+++ b/stdlib/source/lux/tool/compiler/phase/generation/python/runtime.lux
@@ -183,30 +183,33 @@
(def: last-index
(|>> _.len/1 (_.- (_.int +1))))
-(runtime: (tuple//left lefts tuple)
- (with-vars [last-index-right]
- ($_ _.then
- (_.set (list last-index-right) (..last-index tuple))
- (_.if (_.> lefts last-index-right)
- ## No need for recursion
- (_.return (_.nth lefts tuple))
- ## Needs recursion
- (_.return (tuple//left (_.- last-index-right lefts)
- (_.nth last-index-right tuple)))))))
-
-(runtime: (tuple//right lefts tuple)
- (with-vars [last-index-right right-index]
- ($_ _.then
- (_.set (list last-index-right) (..last-index tuple))
- (_.set (list right-index) (_.+ (_.int +1) lefts))
- (_.cond (list [(_.= right-index last-index-right)
- (_.return (_.nth right-index tuple))]
- [(_.> right-index last-index-right)
- ## Needs recursion.
- (_.return (tuple//right (_.- last-index-right lefts)
- (_.nth last-index-right tuple)))])
- (_.return (_.slice-from right-index tuple)))
- )))
+(with-expansions [<recur> (as-is ($_ _.then
+ (_.set (list lefts) (_.- last-index-right lefts))
+ (_.set (list tuple) (_.nth last-index-right tuple))))]
+ (runtime: (tuple//left lefts tuple)
+ (with-vars [last-index-right]
+ (<| (_.while (_.bool true))
+ ($_ _.then
+ (_.set (list last-index-right) (..last-index tuple))
+ (_.if (_.> lefts last-index-right)
+ ## No need for recursion
+ (_.return (_.nth lefts tuple))
+ ## Needs recursion
+ <recur>)))))
+
+ (runtime: (tuple//right lefts tuple)
+ (with-vars [last-index-right right-index]
+ (<| (_.while (_.bool true))
+ ($_ _.then
+ (_.set (list last-index-right) (..last-index tuple))
+ (_.set (list right-index) (_.+ (_.int +1) lefts))
+ (_.cond (list [(_.= right-index last-index-right)
+ (_.return (_.nth right-index tuple))]
+ [(_.> right-index last-index-right)
+ ## Needs recursion.
+ <recur>])
+ (_.return (_.slice-from right-index tuple)))
+ )))))
(runtime: (sum//get sum wantsLast wantedTag)
(let [no-match! (_.return _.none)
diff --git a/stdlib/source/lux/tool/compiler/phase/generation/ruby/runtime.lux b/stdlib/source/lux/tool/compiler/phase/generation/ruby/runtime.lux
index e39e6af8e..71edc3e07 100644
--- a/stdlib/source/lux/tool/compiler/phase/generation/ruby/runtime.lux
+++ b/stdlib/source/lux/tool/compiler/phase/generation/ruby/runtime.lux
@@ -135,30 +135,33 @@
(def: last-index
(|>> ..tuple-size (_.- (_.int +1))))
-(runtime: (tuple//left lefts tuple)
- (with-vars [last-index-right]
- ($_ _.then
- (_.set (list last-index-right) (..last-index tuple))
- (_.if (_.> lefts last-index-right)
- ## No need for recursion
- (_.return (_.nth lefts tuple))
- ## Needs recursion
- (_.return (tuple//left (_.- last-index-right lefts)
- (_.nth last-index-right tuple)))))))
-
-(runtime: (tuple//right lefts tuple)
- (with-vars [last-index-right right-index]
- ($_ _.then
- (_.set (list last-index-right) (..last-index tuple))
- (_.set (list right-index) (_.+ (_.int +1) lefts))
- (_.cond (list [(_.= right-index last-index-right)
- (_.return (_.nth right-index tuple))]
- [(_.> right-index last-index-right)
- ## Needs recursion.
- (_.return (tuple//right (_.- last-index-right lefts)
- (_.nth last-index-right tuple)))])
- (_.return (_.array-range right-index (..tuple-size tuple) tuple)))
- )))
+(with-expansions [<recur> (as-is ($_ _.then
+ (_.set (list lefts) (_.- last-index-right lefts))
+ (_.set (list tuple) (_.nth last-index-right tuple))))]
+ (runtime: (tuple//left lefts tuple)
+ (with-vars [last-index-right]
+ (<| (_.while (_.bool true))
+ ($_ _.then
+ (_.set (list last-index-right) (..last-index tuple))
+ (_.if (_.> lefts last-index-right)
+ ## No need for recursion
+ (_.return (_.nth lefts tuple))
+ ## Needs recursion
+ <recur>)))))
+
+ (runtime: (tuple//right lefts tuple)
+ (with-vars [last-index-right right-index]
+ (<| (_.while (_.bool true))
+ ($_ _.then
+ (_.set (list last-index-right) (..last-index tuple))
+ (_.set (list right-index) (_.+ (_.int +1) lefts))
+ (_.cond (list [(_.= right-index last-index-right)
+ (_.return (_.nth right-index tuple))]
+ [(_.> right-index last-index-right)
+ ## Needs recursion.
+ <recur>])
+ (_.return (_.array-range right-index (..tuple-size tuple) tuple)))
+ )))))
(runtime: (sum//get sum wantsLast wantedTag)
(let [no-match! (_.return _.nil)
diff --git a/stdlib/source/test/lux.lux b/stdlib/source/test/lux.lux
index 21e529ecc..fa6a511d5 100644
--- a/stdlib/source/test/lux.lux
+++ b/stdlib/source/test/lux.lux
@@ -381,8 +381,6 @@
(<| io
_.run!
(_.times 100)
- ## (_.seed 16966479879996440699)
- ## (_.seed 16140950815046933697)
## (_.seed 8804587020128699091)
## (_.seed 9353282359333487462)
..test))
diff --git a/stdlib/source/test/lux/data/text/regex.lux b/stdlib/source/test/lux/data/text/regex.lux
index 58ef21b8b..a683c446f 100644
--- a/stdlib/source/test/lux/data/text/regex.lux
+++ b/stdlib/source/test/lux/data/text/regex.lux
@@ -8,11 +8,12 @@
["p" parser]]
[data
[number (#+ hex)]
+ ["." error]
["." text ("#@." equivalence)
["." lexer (#+ Lexer)]]]
[math
["r" random]]
- [macro
+ ["." macro
["s" syntax (#+ syntax:)]]]
{1
["." /]})
@@ -20,7 +21,7 @@
(def: (should-pass regex input)
(-> (Lexer Text) Text Bit)
(|> (lexer.run input regex)
- (case> (#.Right parsed)
+ (case> (#error.Success parsed)
(text@= parsed input)
_
@@ -29,24 +30,34 @@
(def: (text-should-pass test regex input)
(-> Text (Lexer Text) Text Bit)
(|> (lexer.run input regex)
- (case> (#.Right parsed)
+ (case> (#error.Success parsed)
(text@= test parsed)
_
- #0)))
+ false)))
(def: (should-fail regex input)
(All [a] (-> (Lexer a) Text Bit))
(|> (lexer.run input regex)
- (case> (#.Left _) #1 _ #0)))
+ (case> (#error.Failure _)
+ true
+
+ _
+ false)))
(syntax: (should-check pattern regex input)
- (wrap (list (` (|> (lexer.run (~ input) (~ regex))
- (case> (^ (#.Right (~ pattern)))
- #1
+ (macro.with-gensyms [g!message g!_]
+ (wrap (list (` (|> (lexer.run (~ input) (~ regex))
+ (case> (^ (#error.Success (~ pattern)))
+ true
- (~' _)
- #0))))))
+ (#error.Failure (~ g!message))
+ (exec (log! (format "{{{Failure}}} " (~ g!message)))
+ false)
+
+ (~ g!_)
+ (exec (log! (format "{{{Success}}} " "OH NO"))
+ false))))))))
(def: basics
Test
@@ -177,7 +188,9 @@
Test
(let [number (/.regex "\d+")]
(_.test "Can build complex regexs by combining simpler ones."
- (should-check ["809-345-6789" "809" "345" "6789"] (/.regex "(\@<number>)-(\@<number>)-(\@<number>)") "809-345-6789"))))
+ (should-check ["809-345-6789" "809" "345" "6789"]
+ (/.regex "(\@<number>)-(\@<number>)-(\@<number>)")
+ "809-345-6789"))))
(def: fuzzy-quantifiers
Test
@@ -244,15 +257,14 @@
(and (should-check ["a" (0 [])] (/.regex "a|b") "a")
(should-check ["b" (1 [])] (/.regex "a|b") "b")
(should-fail (/.regex "a|b") "c")))
-
(_.test "Can have groups within alternations."
(and (should-check ["abc" (0 ["b" "c"])] (/.regex "a(.)(.)|b(.)(.)") "abc")
(should-check ["bcd" (1 ["c" "d"])] (/.regex "a(.)(.)|b(.)(.)") "bcd")
(should-fail (/.regex "a(.)(.)|b(.)(.)") "cde")
- (should-check ["809-345-6789" (0 ["809" "345-6789" "345" "6789"])]
+ (should-check ["123-456-7890" (0 ["123" "456-7890" "456" "7890"])]
(/.regex "(\d{3})-((\d{3})-(\d{4}))|b(.)d")
- "809-345-6789")))
+ "123-456-7890")))
))
(def: pattern-matching