diff options
Diffstat (limited to 'stdlib/source/lux.lux')
| -rw-r--r-- | stdlib/source/lux.lux | 162 |
1 files changed, 88 insertions, 74 deletions
diff --git a/stdlib/source/lux.lux b/stdlib/source/lux.lux index 06c0fd2fd..c6018398b 100644 --- a/stdlib/source/lux.lux +++ b/stdlib/source/lux.lux @@ -1666,6 +1666,13 @@ (#Cons [[k' v] dict']) (#Cons [[k' v'] (put k v dict')])))) +(def:''' #export (log! message) + (list [["lux" "doc"] (#TextA "Logs message to standard output. + + Useful for debugging.")]) + (-> Text Unit) + (_lux_proc ["io" "log"] [message])) + (def:''' (Text/append x y) #Nil (-> Text Text Text) @@ -2241,13 +2248,6 @@ (-> Bool Bool) (if x false true)) -(def:''' #export (log! message) - (list [["lux" "doc"] (#TextA "Logs message to standard output. - - Useful for debugging.")]) - (-> Text Unit) - (_lux_proc ["io" "log!"] [message])) - (def:''' (find-macro' modules current-module module name) #Nil (-> ($' List (& Text Module)) @@ -2568,7 +2568,7 @@ (macro:' #export (Rec tokens) (list [["lux" "doc"] (#TextA "## Parameter-less recursive types. - ## A name has to be given to the whole type, to use it within it's body. + ## A name has to be given to the whole type, to use it within its body. (Rec Self [Int (List Self)])")]) (_lux_case tokens @@ -3223,42 +3223,81 @@ (#Some y)))) (def: (last-index-of part text) - (-> Text Text Int) - (_lux_proc ["jvm" "i2l"] [(_lux_proc ["jvm" "invokevirtual:java.lang.String:lastIndexOf:java.lang.String"] [text part])])) + (-> Text Text (Maybe Nat)) + (_lux_proc ["text" "last-index"] [text part])) (def: (index-of part text) - (-> Text Text Int) - (_lux_proc ["jvm" "i2l"] [(_lux_proc ["jvm" "invokevirtual:java.lang.String:indexOf:java.lang.String"] [text part])])) + (-> Text Text (Maybe Nat)) + (_lux_proc ["text" "index"] [text part])) + +(def: (clip1 from text) + (-> Nat Text (Maybe Text)) + (_lux_proc ["text" "clip"] [text from (_lux_proc ["text" "size"] [text])])) + +(def: (clip2 from to text) + (-> Nat Nat Text (Maybe Text)) + (_lux_proc ["text" "clip"] [text from to])) + +(def: #export (error! message) + {#;doc "## Causes an error, with the given error message. + (error! \"OH NO!\")"} + (-> Text Bottom) + (_lux_proc ["io" "error"] [message])) -(def: (substring1 idx text) - (-> Int Text Text) - (_lux_proc ["jvm" "invokevirtual:java.lang.String:substring:int"] [text (_lux_proc ["jvm" "l2i"] [idx])])) +(macro: #export (default tokens state) + {#;doc "## Allows you to provide a default value that will be used + ## if a (Maybe x) value turns out to be #;None. + (default 20 (#;Some 10)) => 10 -(def: (substring2 idx1 idx2 text) - (-> Int Int Text Text) - (_lux_proc ["jvm" "invokevirtual:java.lang.String:substring:int,int"] [text (_lux_proc ["jvm" "l2i"] [idx1]) (_lux_proc ["jvm" "l2i"] [idx2])])) + (default 20 #;None) => 20"} + (case tokens + (^ (list else maybe)) + (let [g!temp (: AST [_cursor (#;SymbolS ["" ""])]) + code (` (case (~ maybe) + (#;Some (~ g!temp)) + (~ g!temp) + + #;None + (~ else)))] + (#;Right [state (list code)])) + + _ + (#;Left "Wrong syntax for ?"))) (def: (split-text splitter input) (-> Text Text (List Text)) - (let [idx (index-of splitter input)] - (if (i.< 0 idx) - (#Cons input #Nil) - (#Cons (substring2 0 idx input) - (split-text splitter (substring1 (i.+ 1 idx) input)))))) + (case (index-of splitter input) + #;None + (#Cons input #Nil) + + (#;Some idx) + (#Cons (default (error! "UNDEFINED") + (clip2 +0 idx input)) + (split-text splitter + (default (error! "UNDEFINED") + (clip1 (n.+ +1 idx) input)))))) (def: (split-module-contexts module) (-> Text (List Text)) - (#Cons module (let [idx (last-index-of "/" module)] - (if (i.< 0 idx) - #Nil - (split-module-contexts (substring2 0 idx module)))))) + (#Cons module (case (last-index-of "/" module) + #;None + #Nil + + (#;Some idx) + (split-module-contexts (default (error! "UNDEFINED") + (clip2 +0 idx module)))))) (def: (split-module module) (-> Text (List Text)) - (let [idx (index-of "/" module)] - (if (i.< 0 idx) - (list module) - (list& (substring2 0 idx module) (split-module (substring1 (i.+ 1 idx) module)))))) + (case (index-of "/" module) + #;None + (list module) + + (#;Some idx) + (list& (default (error! "UNDEFINED") + (clip2 +0 idx module)) + (split-module (default (error! "UNDEFINED") + (clip1 (n.+ +1 idx) module)))))) (def: (nth idx xs) (All [a] @@ -3881,22 +3920,22 @@ (def: (replace pattern value template) (-> Text Text Text Text) - (_lux_proc ["jvm" "invokevirtual:java.lang.String:replace:java.lang.CharSequence,java.lang.CharSequence"] [template pattern value])) + (_lux_proc ["text" "replace-all"] [template pattern value])) (def: (clean-module module) (-> Text (Lux Text)) (do Monad<Lux> - [module-name current-module-name] + [current-module current-module-name] (case (split-module module) (^ (list& "." parts)) - (return (|> (list& module-name parts) (interpose "/") reverse (fold Text/append ""))) + (return (|> (list& current-module parts) (interpose "/") reverse (fold Text/append ""))) parts (let [[ups parts'] (split-with (Text/= "..") parts) num-ups (length ups)] (if (i.= num-ups 0) (return module) - (case (nth num-ups (split-module-contexts module-name)) + (case (nth num-ups (split-module-contexts current-module)) #None (fail (Text/append "Can't clean module: " module)) @@ -4378,26 +4417,6 @@ #let [{#module-hash _ #module-aliases _ #defs _ #imports imports #tags _ #types _ #module-anns _ #module-state _} module]] (wrap (is-member? imports import-name)))) -(macro: #export (default tokens state) - {#;doc "## Allows you to provide a default value that will be used - ## if a (Maybe x) value turns out to be #;None. - (default 20 (#;Some 10)) => 10 - - (default 20 #;None) => 20"} - (case tokens - (^ (list else maybe)) - (let [g!temp (: AST [_cursor (#;SymbolS ["" ""])]) - code (` (case (~ maybe) - (#;Some (~ g!temp)) - (~ g!temp) - - #;None - (~ else)))] - (#;Right [state (list code)])) - - _ - (#;Left "Wrong syntax for ?"))) - (def: (read-refer module-name options) (-> Text (List AST) (Lux Refer)) (do Monad<Lux> @@ -4790,13 +4809,13 @@ _ (fail "Wrong syntax for ^template"))) -(do-template [<name> <from> <to> <converter>] +(do-template [<name> <from> <to> <proc>] [(def: #export (<name> n) (-> <from> <to>) - (_lux_proc ["jvm" <converter>] [n]))] + (_lux_proc <proc> [n]))] - [real-to-int Real Int "d2l"] - [int-to-real Int Real "l2d"] + [real-to-int Real Int ["real" "to-int"]] + [int-to-real Int Real ["int" "to-real"]] ) (def: (find-baseline-column ast) @@ -4874,11 +4893,10 @@ (-> <from> <to>) (_lux_proc <op> [input]))] - [int-to-nat ["int" "to-nat"] Int Nat] - [nat-to-int ["nat" "to-int"] Nat Int] - + [int-to-nat ["int" "to-nat"] Int Nat] + [nat-to-int ["nat" "to-int"] Nat Int] [real-to-deg ["real" "to-deg"] Real Deg] - [deg-to-real ["deg" "to-real"] Deg Real] + [deg-to-real ["deg" "to-real"] Deg Real] ) (def: (repeat n x) @@ -4897,13 +4915,11 @@ (def: (Text/size x) (-> Text Nat) - (:! Nat - (_lux_proc ["jvm" "i2l"] - [(_lux_proc ["jvm" "invokevirtual:java.lang.String:length:"] [x])]))) + (_lux_proc ["text" "size"] [x])) (def: (Text/trim x) (-> Text Text) - (_lux_proc ["jvm" "invokevirtual:java.lang.String:trim:"] [x])) + (_lux_proc ["text" "trim"] [x])) (def: (update-cursor [file line column] ast-text) (-> Cursor Text Cursor) @@ -5468,7 +5484,7 @@ "This one should fail:" (is 5 (i.+ 2 3)))} (All [a] (-> a a Bool)) - (_lux_proc ["lux" "=="] [left right])) + (_lux_proc ["lux" "is"] [left right])) (macro: #export (^@ tokens) {#;doc (doc "Allows you to simultaneously bind and de-structure a value." @@ -5514,12 +5530,6 @@ _ (fail "Wrong syntax for :!!"))) -(def: #export (error! message) - {#;doc (doc "Causes an error, with the given error message." - (error! "OH NO!"))} - (-> Text Bottom) - (_lux_proc ["jvm" "throw"] [(_lux_proc ["jvm" "new:java.lang.Error:java.lang.String"] [message])])) - (def: #hidden hack_Text/append (-> Text Text Text) Text/append) @@ -5735,3 +5745,7 @@ (type: #export (<.> f g) (All [a] (f (g a)))) + +(def: #export (assume mx) + (All [a] (-> (Maybe a) a)) + (default (undefined) mx)) |