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-rw-r--r--luxc/src/lux/analyser/proc/common.clj3
-rw-r--r--luxc/src/lux/compiler/js/proc/common.clj4
-rw-r--r--luxc/src/lux/compiler/js/rt.clj37
-rw-r--r--luxc/src/lux/compiler/jvm/proc/common.clj3
-rw-r--r--luxc/src/lux/compiler/jvm/rt.clj141
-rw-r--r--stdlib/source/lux.lux29
-rw-r--r--stdlib/source/lux/data/number.lux55
7 files changed, 80 insertions, 192 deletions
diff --git a/luxc/src/lux/analyser/proc/common.clj b/luxc/src/lux/analyser/proc/common.clj
index b2a9528c1..2bd6ba648 100644
--- a/luxc/src/lux/analyser/proc/common.clj
+++ b/luxc/src/lux/analyser/proc/common.clj
@@ -254,7 +254,6 @@
(return (&/|list (&&/|meta exo-type _cursor
(&&/$proc (&/T <decode-op>) (&/|list =x) (&/|list)))))))))
- ^:private analyse-nat-encode ["nat" "encode"] ^:private analyse-nat-decode ["nat" "decode"] &type/Nat
^:private analyse-int-encode ["int" "encode"] ^:private analyse-int-decode ["int" "decode"] &type/Int
^:private analyse-deg-encode ["deg" "encode"] ^:private analyse-deg-decode ["deg" "decode"] &type/Deg
^:private analyse-real-encode ["real" "encode"] ^:private analyse-real-decode ["real" "decode"] &type/Real
@@ -544,8 +543,6 @@
"%" (analyse-nat-rem analyse exo-type ?values)
"=" (analyse-nat-eq analyse exo-type ?values)
"<" (analyse-nat-lt analyse exo-type ?values)
- "encode" (analyse-nat-encode analyse exo-type ?values)
- "decode" (analyse-nat-decode analyse exo-type ?values)
"min-value" (analyse-nat-min-value analyse exo-type ?values)
"max-value" (analyse-nat-max-value analyse exo-type ?values)
"to-int" (analyse-nat-to-int analyse exo-type ?values)
diff --git a/luxc/src/lux/compiler/js/proc/common.clj b/luxc/src/lux/compiler/js/proc/common.clj
index 03ce5e936..130dbb298 100644
--- a/luxc/src/lux/compiler/js/proc/common.clj
+++ b/luxc/src/lux/compiler/js/proc/common.clj
@@ -149,11 +149,9 @@
))
^:private compile-int-encode "encodeI64"
- ^:private compile-nat-encode "encodeN64"
^:private compile-deg-encode "encodeD64"
^:private compile-int-decode "decodeI64"
- ^:private compile-nat-decode "decodeN64"
^:private compile-deg-decode "decodeD64"
^:private compile-real-decode "decodeReal"
@@ -501,8 +499,6 @@
"%" (compile-nat-rem compile ?values special-args)
"=" (compile-nat-eq compile ?values special-args)
"<" (compile-nat-lt compile ?values special-args)
- "encode" (compile-nat-encode compile ?values special-args)
- "decode" (compile-nat-decode compile ?values special-args)
"max-value" (compile-nat-max-value compile ?values special-args)
"min-value" (compile-nat-min-value compile ?values special-args)
"to-int" (compile-nat-to-int compile ?values special-args)
diff --git a/luxc/src/lux/compiler/js/rt.clj b/luxc/src/lux/compiler/js/rt.clj
index 889ced291..085cf5fe4 100644
--- a/luxc/src/lux/compiler/js/rt.clj
+++ b/luxc/src/lux/compiler/js/rt.clj
@@ -622,43 +622,6 @@
"if(shift > 0) { remainder = LuxRT$shiftRightBigInt(remainder,shift); }"
"return [LuxRT$normalizeBigInt(quotient), LuxRT$normalizeBigInt(remainder)];"
"})")
- "encodeN64" (str "(function LuxRT$encodeN64(input) {"
- (str "if(input.H < 0) {"
- ;; Too big
- "var lastDigit = LuxRT$remI64(input, LuxRT$makeI64(0,10));"
- "var minusLastDigit = LuxRT$divI64(input, LuxRT$makeI64(0,10));"
- "return '+'.concat(LuxRT$encodeI64(minusLastDigit)).concat(LuxRT$encodeI64(lastDigit));"
- "}"
- "else {"
- ;; Small enough
- "return '+'.concat(LuxRT$encodeI64(input));"
- "}")
- "})")
- "decodeN64" (str "(function LuxRT$decodeN64(input) {"
- "input = LuxRT$clean_separators(input);"
- (str "if(/^\\+\\d+$/.exec(input)) {"
- (str "input = input.substring(1);")
- (str "if(input.length <= 18) {"
- ;; Short enough...
- "return LuxRT$decodeI64(input);"
- "}"
- "else {"
- ;; Too long
- (str "var prefix = LuxRT$decodeI64(input.substring(0, input.length-1))[2];"
- "var suffix = LuxRT$decodeI64(input.charAt(input.length-1))[2];"
- "var total = LuxRT$addI64(LuxRT$mulI64(prefix,LuxRT$fromNumberI64(10)),suffix);"
- (str "if(LuxRT$ltN64(total,prefix)) {"
- (str "return " const-none ";")
- "}"
- "else {"
- (str "return " (make-some "total") ";")
- "}"))
- "}")
- "}"
- "else {"
- (str "return " const-none ";")
- "}")
- "})")
"divN64" (str "(function LuxRT$divN64(l,r) {"
(str "if(LuxRT$ltI64(r,LuxRT$ZERO)) {"
(str "if(LuxRT$ltN64(l,r)) {"
diff --git a/luxc/src/lux/compiler/jvm/proc/common.clj b/luxc/src/lux/compiler/jvm/proc/common.clj
index 323213170..5e1fe8a1a 100644
--- a/luxc/src/lux/compiler/jvm/proc/common.clj
+++ b/luxc/src/lux/compiler/jvm/proc/common.clj
@@ -408,7 +408,6 @@
(.visitMethodInsn Opcodes/INVOKESTATIC "lux/LuxRT" <decode-method> "(Ljava/lang/String;)Ljava/lang/Object;"))]]
(return nil)))))
- ^:private compile-nat-encode "encode_nat" ^:private compile-nat-decode "decode_nat"
^:private compile-deg-encode "encode_deg" ^:private compile-deg-decode "decode_deg"
)
@@ -946,8 +945,6 @@
"%" (compile-nat-rem compile ?values special-args)
"=" (compile-nat-eq compile ?values special-args)
"<" (compile-nat-lt compile ?values special-args)
- "encode" (compile-nat-encode compile ?values special-args)
- "decode" (compile-nat-decode compile ?values special-args)
"max-value" (compile-nat-max-value compile ?values special-args)
"min-value" (compile-nat-min-value compile ?values special-args)
"to-int" (compile-nat-to-int compile ?values special-args)
diff --git a/luxc/src/lux/compiler/jvm/rt.clj b/luxc/src/lux/compiler/jvm/rt.clj
index a98cf5b20..9bc94427e 100644
--- a/luxc/src/lux/compiler/jvm/rt.clj
+++ b/luxc/src/lux/compiler/jvm/rt.clj
@@ -945,146 +945,7 @@
(let [+wrapper-class+ (&host-generics/->bytecode-class-name "java.lang.Long")]
(defn ^:private compile-LuxRT-nat-methods [^ClassWriter =class]
- (|let [;; http://grepcode.com/file/repository.grepcode.com/java/root/jdk/openjdk/8u40-b25/java/lang/Long.java#677
- _ (let [$from (new Label)
- $to (new Label)
- $handler (new Label)
-
- $good-start (new Label)
- $short-enough (new Label)
- $bad-digit (new Label)
- $out-of-bounds (new Label)]
- (doto (.visitMethod =class (+ Opcodes/ACC_PUBLIC Opcodes/ACC_STATIC) "decode_nat" "(Ljava/lang/String;)Ljava/lang/Object;" nil nil)
- (.visitCode)
- (.visitTryCatchBlock $from $to $handler "java/lang/Exception")
- (.visitLabel $from)
- ;; Remove the + at the beginning...
- (.visitVarInsn Opcodes/ALOAD 0)
- (.visitLdcInsn (int 0))
- (.visitLdcInsn (int 1))
- (.visitMethodInsn Opcodes/INVOKEVIRTUAL "java/lang/String" "substring" "(II)Ljava/lang/String;")
- (.visitLdcInsn "+")
- (.visitMethodInsn Opcodes/INVOKEVIRTUAL "java/lang/Object" "equals" "(Ljava/lang/Object;)Z")
- (.visitJumpInsn Opcodes/IFNE $good-start)
- ;; Doesn't start with +
- (.visitMethodInsn Opcodes/INVOKESTATIC "lux/LuxRT" "make_none" "()Ljava/lang/Object;")
- (.visitInsn Opcodes/ARETURN)
- ;; Starts with +
- (.visitLabel $good-start)
- (.visitVarInsn Opcodes/ALOAD 0)
- (.visitLdcInsn (int 1))
- (.visitVarInsn Opcodes/ALOAD 0)
- (.visitMethodInsn Opcodes/INVOKEVIRTUAL "java/lang/String" "length" "()I")
- (.visitMethodInsn Opcodes/INVOKEVIRTUAL "java/lang/String" "substring" "(II)Ljava/lang/String;")
- (.visitVarInsn Opcodes/ASTORE 0) ;; Removed the + prefix...
- ;; Begin parsing processs
- (.visitVarInsn Opcodes/ALOAD 0)
- (.visitMethodInsn Opcodes/INVOKEVIRTUAL "java/lang/String" "length" "()I")
- (.visitLdcInsn (int 18))
- (.visitJumpInsn Opcodes/IF_ICMPLE $short-enough)
- ;; Too long
- ;; Get prefix...
- (.visitVarInsn Opcodes/ALOAD 0)
- (.visitLdcInsn (int 0))
- (.visitVarInsn Opcodes/ALOAD 0)
- (.visitMethodInsn Opcodes/INVOKEVIRTUAL "java/lang/String" "length" "()I")
- (.visitLdcInsn (int 1))
- (.visitInsn Opcodes/ISUB)
- (.visitMethodInsn Opcodes/INVOKEVIRTUAL "java/lang/String" "substring" "(II)Ljava/lang/String;")
- (.visitMethodInsn Opcodes/INVOKESTATIC "java/lang/Long" "parseLong" "(Ljava/lang/String;)J")
- (.visitInsn Opcodes/DUP2) ;; Clone prefix, for later...
- ;; Get last digit...
- (.visitVarInsn Opcodes/ALOAD 0)
- (.visitVarInsn Opcodes/ALOAD 0)
- (.visitMethodInsn Opcodes/INVOKEVIRTUAL "java/lang/String" "length" "()I")
- (.visitLdcInsn (int 1))
- (.visitInsn Opcodes/ISUB)
- (.visitMethodInsn Opcodes/INVOKEVIRTUAL "java/lang/String" "charAt" "(I)C")
- (.visitLdcInsn (int 10))
- (.visitMethodInsn Opcodes/INVOKESTATIC "java/lang/Character" "digit" "(CI)I")
- ;; Test last digit...
- (.visitInsn Opcodes/DUP)
- (.visitJumpInsn Opcodes/IFLT $bad-digit)
- ;; Good digit...
- ;; Stack: prefix::L, prefix::L, last-digit::I
- (.visitInsn Opcodes/I2L)
- ;; Build the result...
- swap2
- (.visitLdcInsn (long 10))
- (.visitInsn Opcodes/LMUL)
- (.visitInsn Opcodes/LADD) ;; Stack: prefix::L, result::L
- (.visitInsn Opcodes/DUP2_X2) ;; Stack: result::L, prefix::L, result::L
- swap2 ;; Stack: result::L, result::L, prefix::L
- (.visitMethodInsn Opcodes/INVOKESTATIC "lux/LuxRT" "_compareUnsigned" "(JJ)I")
- (.visitJumpInsn Opcodes/IFLT $out-of-bounds)
- ;; Within bounds
- ;; Stack: result::L
- &&/wrap-long
- (.visitMethodInsn Opcodes/INVOKESTATIC "lux/LuxRT" "make_some" "(Ljava/lang/Object;)Ljava/lang/Object;")
- (.visitInsn Opcodes/ARETURN)
- ;; Out of bounds
- (.visitLabel $out-of-bounds)
- (.visitMethodInsn Opcodes/INVOKESTATIC "lux/LuxRT" "make_none" "()Ljava/lang/Object;")
- (.visitInsn Opcodes/ARETURN)
- ;; Bad digit...
- (.visitLabel $bad-digit)
- (.visitMethodInsn Opcodes/INVOKESTATIC "lux/LuxRT" "make_none" "()Ljava/lang/Object;")
- (.visitInsn Opcodes/ARETURN)
- ;; 18 chars or less
- (.visitLabel $short-enough)
- (.visitVarInsn Opcodes/ALOAD 0)
- (.visitMethodInsn Opcodes/INVOKESTATIC "java/lang/Long" "parseLong" "(Ljava/lang/String;)J")
- &&/wrap-long
- (.visitMethodInsn Opcodes/INVOKESTATIC "lux/LuxRT" "make_some" "(Ljava/lang/Object;)Ljava/lang/Object;")
- (.visitInsn Opcodes/ARETURN)
- (.visitLabel $to)
- (.visitLabel $handler)
- (.visitMethodInsn Opcodes/INVOKESTATIC "lux/LuxRT" "make_none" "()Ljava/lang/Object;")
- (.visitInsn Opcodes/ARETURN)
- (.visitMaxs 0 0)
- (.visitEnd)))
- ;; http://grepcode.com/file/repository.grepcode.com/java/root/jdk/openjdk/8u40-b25/java/lang/Long.java#172
- _ (let [$too-big (new Label)]
- (doto (.visitMethod =class (+ Opcodes/ACC_PUBLIC Opcodes/ACC_STATIC) "encode_nat" "(J)Ljava/lang/String;" nil nil)
- (.visitCode)
- (.visitLdcInsn "+")
- (.visitVarInsn Opcodes/LLOAD 0)
- (.visitLdcInsn (long 0))
- (.visitInsn Opcodes/LCMP)
- (.visitJumpInsn Opcodes/IFLT $too-big)
- ;; then
- (.visitVarInsn Opcodes/LLOAD 0)
- (.visitMethodInsn Opcodes/INVOKESTATIC "java/lang/Long" "toString" "(J)Ljava/lang/String;")
- (.visitMethodInsn Opcodes/INVOKEVIRTUAL "java/lang/String" "concat" "(Ljava/lang/String;)Ljava/lang/String;")
- (.visitInsn Opcodes/ARETURN)
- ;; else
- (.visitLabel $too-big)
- ;; Set up parts of the number string...
- ;; First digits
- (.visitVarInsn Opcodes/LLOAD 0)
- (.visitLdcInsn (int 1))
- (.visitInsn Opcodes/LUSHR)
- (.visitLdcInsn (long 5))
- (.visitInsn Opcodes/LDIV) ;; quot
- ;; Last digit
- (.visitInsn Opcodes/DUP2)
- (.visitLdcInsn (long 10))
- (.visitInsn Opcodes/LMUL)
- (.visitVarInsn Opcodes/LLOAD 0)
- swap2
- (.visitInsn Opcodes/LSUB) ;; quot, rem
- ;; Conversion to string...
- (.visitMethodInsn Opcodes/INVOKESTATIC "java/lang/Long" "toString" "(J)Ljava/lang/String;") ;; quot, rem*
- (.visitInsn Opcodes/DUP_X2);; rem*, quot, rem*
- (.visitInsn Opcodes/POP) ;; rem*, quot
- (.visitMethodInsn Opcodes/INVOKESTATIC "java/lang/Long" "toString" "(J)Ljava/lang/String;") ;; rem*, quot*
- (.visitInsn Opcodes/SWAP) ;; quot*, rem*
- (.visitMethodInsn Opcodes/INVOKEVIRTUAL "java/lang/String" "concat" "(Ljava/lang/String;)Ljava/lang/String;")
- (.visitMethodInsn Opcodes/INVOKEVIRTUAL "java/lang/String" "concat" "(Ljava/lang/String;)Ljava/lang/String;")
- (.visitInsn Opcodes/ARETURN)
- (.visitMaxs 0 0)
- (.visitEnd)))
- ;; http://grepcode.com/file/repository.grepcode.com/java/root/jdk/openjdk/8u40-b25/java/lang/Long.java#215
+ (|let [;; http://grepcode.com/file/repository.grepcode.com/java/root/jdk/openjdk/8u40-b25/java/lang/Long.java#215
_ (let [$simple-case (new Label)]
(doto (.visitMethod =class (+ Opcodes/ACC_PUBLIC Opcodes/ACC_STATIC) "_toUnsignedBigInteger" "(J)Ljava/math/BigInteger;" nil nil)
(.visitCode)
diff --git a/stdlib/source/lux.lux b/stdlib/source/lux.lux
index fc606bc36..964cf5b57 100644
--- a/stdlib/source/lux.lux
+++ b/stdlib/source/lux.lux
@@ -1544,8 +1544,7 @@
#Nil
($' Monad Maybe)
{#wrap
- (lambda' return [x]
- (#Some x))
+ (lambda' [x] (#Some x))
#bind
(lambda' [f ma]
@@ -2070,10 +2069,32 @@
(-> Bool Text)
(if x "true" "false"))
-(def:''' (Nat/encode x)
+(def:''' (digit-to-text digit)
#Nil
(-> Nat Text)
- (_lux_proc ["nat" "encode"] [x]))
+ (_lux_case digit
+ +0 "0"
+ +1 "1" +2 "2" +3 "3"
+ +4 "4" +5 "5" +6 "6"
+ +7 "7" +8 "8" +9 "9"
+ _ (_lux_proc ["io" "error"] ["undefined"])))
+
+(def:''' (Nat/encode value)
+ #Nil
+ (-> Nat Text)
+ (_lux_case value
+ +0
+ "+0"
+
+ _
+ (let' [loop (_lux_: (-> Nat Text Text)
+ (lambda' recur [input output]
+ (if (_lux_proc ["nat" "="] [input +0])
+ (_lux_proc ["text" "append"] ["+" output])
+ (recur (_lux_proc ["nat" "/"] [input +10])
+ (_lux_proc ["text" "append"] [(digit-to-text (_lux_proc ["nat" "%"] [input +10]))
+ output])))))]
+ (loop value ""))))
(def:''' (Int/encode x)
#Nil
diff --git a/stdlib/source/lux/data/number.lux b/stdlib/source/lux/data/number.lux
index c90abf76d..9b828ec25 100644
--- a/stdlib/source/lux/data/number.lux
+++ b/stdlib/source/lux/data/number.lux
@@ -144,12 +144,65 @@
#;None
(#;Left <error>))))]
- [ Nat [ "nat" "encode"] [ "nat" "decode"] "Couldn't decode Nat"]
[ Int [ "int" "encode"] [ "int" "decode"] "Couldn't decode Int"]
[ Deg [ "deg" "encode"] [ "deg" "decode"] "Couldn't decode Deg"]
[Real ["real" "encode"] ["real" "decode"] "Couldn't decode Real"]
)
+(def: (digit-to-text digit)
+ (-> Nat Text)
+ (case digit
+ +0 "0"
+ +1 "1" +2 "2" +3 "3"
+ +4 "4" +5 "5" +6 "6"
+ +7 "7" +8 "8" +9 "9"
+ _ (undefined)))
+
+(def: (text-to-digit digit)
+ (-> Text (Maybe Nat))
+ (case digit
+ "0" (#;Some +0)
+ "1" (#;Some +1) "2" (#;Some +2) "3" (#;Some +3)
+ "4" (#;Some +4) "5" (#;Some +5) "6" (#;Some +6)
+ "7" (#;Some +7) "8" (#;Some +8) "9" (#;Some +9)
+ _ #;None))
+
+(struct: #export _ (Codec Text Nat)
+ (def: (encode value)
+ (case value
+ +0
+ "+0"
+
+ _
+ (loop [input value
+ output ""]
+ (if (n.= +0 input)
+ (_lux_proc ["text" "append"] ["+" output])
+ (recur (n./ +10 input)
+ (_lux_proc ["text" "append"] [(digit-to-text (n.% +10 input)) output]))))))
+
+ (def: (decode repr)
+ (let [input-size (_lux_proc ["text" "size"] [repr])]
+ (if (n.>= +2 input-size)
+ (case (_lux_proc ["text" "char"] [repr +0])
+ (#;Some #"+")
+ (loop [idx +1
+ output +0]
+ (if (n.< input-size idx)
+ (case (_lux_proc ["text" "char"] [repr idx])
+ (^=> (#;Some sample)
+ [(text-to-digit (_lux_proc ["char" "to-text"] [sample])) (#;Some digit)])
+ (recur (n.inc idx)
+ (|> output (n.* +10) (n.+ digit)))
+
+ _
+ (undefined))
+ (#;Right output)))
+
+ _
+ (#;Left "Invalid binary syntax."))
+ (#;Left "Invalid binary syntax.")))))
+
(struct: #export _ (Hash Nat)
(def: eq Eq<Nat>)
(def: hash id))
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-23 09:25:15 +0000