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-rw-r--r--stdlib/source/lux/control/security/capability.lux51
-rw-r--r--stdlib/source/lux/macro/syntax/common/reader.lux2
-rw-r--r--stdlib/source/lux/world/file.lux94
3 files changed, 92 insertions, 55 deletions
diff --git a/stdlib/source/lux/control/security/capability.lux b/stdlib/source/lux/control/security/capability.lux
index 5de65a17e..847dbf714 100644
--- a/stdlib/source/lux/control/security/capability.lux
+++ b/stdlib/source/lux/control/security/capability.lux
@@ -1,23 +1,58 @@
(.module:
[lux #*
+ [control
+ [monad (#+ do)]
+ ["p" parser]]
+ [data
+ [text
+ format]
+ [collection
+ [list ("list/." Functor<List>)]]]
[type
- abstract]])
+ abstract]
+ ["." macro
+ ["." code]
+ ["s" syntax (#+ syntax:)
+ [common
+ ["." reader]
+ ["." writer]]]]])
-(abstract: #export (Capability input output)
+(abstract: #export (Capability brand input output)
{#.doc (doc "Represents the capability to perform an operation."
"This operation is assumed to have security implications.")}
(-> input output)
- (def: #export forge
- (All [input output]
+ (def: default-forge
+ (All [brand input output]
(-> (-> input output)
- (Capability input output)))
+ (Capability brand input output)))
(|>> :abstraction))
(def: #export (use capability input)
- (All [input output]
- (-> (Capability input output)
+ (All [brand input output]
+ (-> (Capability brand input output)
input
output))
- ((:representation capability) input)))
+ ((:representation capability) input))
+
+ (syntax: #export (capability: {export reader.export}
+ {declaration reader.declaration}
+ {annotations (p.maybe reader.annotations)}
+ {[forge input output] (s.form ($_ p.and s.local-identifier s.any s.any))})
+ (do @
+ [this-module macro.current-module-name
+ #let [[name vars] declaration]
+ g!brand (:: @ map (|>> %code code.text)
+ (macro.gensym (format (%name [this-module name]))))
+ #let [capability (` (..Capability (.primitive (~ g!brand)) (~ input) (~ output)))]]
+ (wrap (list (` (type: (~+ (writer.export export))
+ (~ (writer.declaration declaration))
+ (~ capability)))
+ (` (def: (~ (code.local-identifier forge))
+ (All [(~+ (list/map code.local-identifier vars))]
+ (-> (-> (~ input) (~ output))
+ (~ capability)))
+ (~! ..default-forge)))
+ ))))
+ )
diff --git a/stdlib/source/lux/macro/syntax/common/reader.lux b/stdlib/source/lux/macro/syntax/common/reader.lux
index af3b584b8..bbbe3f6d7 100644
--- a/stdlib/source/lux/macro/syntax/common/reader.lux
+++ b/stdlib/source/lux/macro/syntax/common/reader.lux
@@ -29,7 +29,7 @@
(p.either (p.and s.local-identifier
(parser/wrap (list)))
(s.form (p.and s.local-identifier
- (p.many s.local-identifier)))))
+ (p.some s.local-identifier)))))
## Annotations
(def: #export annotations
diff --git a/stdlib/source/lux/world/file.lux b/stdlib/source/lux/world/file.lux
index 148934436..78556b742 100644
--- a/stdlib/source/lux/world/file.lux
+++ b/stdlib/source/lux/world/file.lux
@@ -7,7 +7,7 @@
["." promise (#+ Promise)]]
[security
["." integrity (#+ Dirty)]
- ["!" capability (#+ Capability)]]]
+ ["!" capability (#+ capability:)]]]
[data
["." maybe]
["." error (#+ Error) ("error/." Functor<Error>)]
@@ -19,6 +19,8 @@
[time
["." instant (#+ Instant)]
["." duration]]
+ [macro
+ ["." template]]
[world
["." binary (#+ Binary)]]
["." io (#+ IO) ("io/." Functor<IO>)]
@@ -29,22 +31,17 @@
(type: #export Path Text)
-(type: #export (Can-Open ! capability)
- (Capability Path (! (Error (capability !)))))
+(capability: #export (Can-Open ! capability)
+ (can-open Path (! (Error (capability !)))))
-(do-template [<capability> <input> <output>]
- [(type: #export (<capability> !)
- (Capability <input> (! (Error <output>))))]
+(capability: #export (Can-Query ! o)
+ (can-query [] (! (Error o))))
- [Can-Edit [Binary] Any]
- [Can-Delete [] Any]
- )
-
-(type: #export (Can-Query ! o)
- (Capability [] (! (Error o))))
+(capability: #export (Can-Modify ! i)
+ (can-modify [i] (! (Error Any))))
-(type: #export (Can-Modify ! i)
- (Capability [i] (! (Error Any))))
+(capability: #export (Can-Delete !)
+ (can-delete [] (! (Error Any))))
(`` (signature: #export (File !)
(~~ (do-template [<name> <output>]
@@ -66,11 +63,9 @@
[modify Instant]
[over-write Binary]
+ [append Binary]
))
- (: (Can-Edit !)
- append)
-
(: (Can-Delete !)
delete)
))
@@ -103,43 +98,50 @@
(def: (async-file file)
(-> (File IO) (File Promise))
(`` (structure
- (~~ (do-template [<name>]
- [(def: <name> (!.forge
- (|>> (!.use (:: file <name>)) promise.future)))]
-
- [size] [last-modified] [can-execute?] [content]
- [modify] [over-write]
- [append]
- [delete]))
-
- (def: move (!.forge
+ (~~ (do-template [<forge> <name>+]
+ [(with-expansions [<rows> (template.splice <name>+)]
+ (do-template [<name>]
+ [(def: <name> (<forge> (|>> (!.use (:: file <name>)) promise.future)))]
+
+ <rows>))]
+
+ [..can-query
+ [[size] [last-modified] [can-execute?] [content]]]
+
+ [..can-modify
+ [[modify] [over-write] [append]]]
+
+ [..can-delete
+ [[delete]]]))
+
+ (def: move (..can-open
(|>> (!.use (:: file move)) (io/map (error/map async-file)) promise.future))))))
(def: (async-directory directory)
(-> (Directory IO) (Directory Promise))
(`` (structure (~~ (do-template [<name> <async>]
- [(def: <name> (!.forge
+ [(def: <name> (..can-query
(|>> (!.use (:: directory <name>))
(io/map (error/map (list/map <async>)))
promise.future)))]
- [files async-file]
+ [files ..async-file]
[directories async-directory]))
- (def: discard (!.forge
+ (def: discard (..can-delete
(|>> (!.use (:: directory discard)) promise.future))))))
(def: #export (async system)
(-> (System IO) (System Promise))
(`` (structure
(~~ (do-template [<name> <async>]
- [(def: <name> (!.forge
+ [(def: <name> (..can-open
(|>> (!.use (:: system <name>)) (io/map (error/map <async>)) promise.future)))]
- [file async-file]
- [create-file async-file]
- [directory async-directory]
- [create-directory async-directory]))
+ [file ..async-file]
+ [create-file ..async-file]
+ [directory ..async-directory]
+ [create-directory ..async-directory]))
(def: separator (:: system separator)))))
@@ -232,7 +234,7 @@
(~~ (do-template [<name> <flag>]
[(def: <name>
- (!.forge
+ (..can-modify
(function (<name> data)
(do io.Monad<Process>
[stream (FileOutputStream::new (java/io/File::new path) <flag>)
@@ -245,7 +247,7 @@
))
(def: content
- (!.forge
+ (..can-query
(function (content _)
(do io.Monad<Process>
[#let [file (java/io/File::new path)]
@@ -259,7 +261,7 @@
(io.io (ex.throw cannot-read-all-data path)))))))
(def: size
- (!.forge
+ (..can-query
(function (size _)
(|> path
java/io/File::new
@@ -267,7 +269,7 @@
(:: io.Monad<Process> map .nat)))))
(def: last-modified
- (!.forge
+ (..can-query
(function (last-modified _)
(|> path
java/io/File::new
@@ -275,14 +277,14 @@
(:: io.Monad<Process> map (|>> duration.from-millis instant.absolute))))))
(def: can-execute?
- (!.forge
+ (..can-query
(function (can-execute? _)
(|> path
java/io/File::new
java/io/File::canExecute))))
(def: move
- (!.forge
+ (..can-open
(function (move destination)
(do io.Monad<IO>
[outcome (java/io/File::renameTo (java/io/File::new destination)
@@ -295,7 +297,7 @@
(io.throw cannot-move [destination path]))))))
(def: modify
- (!.forge
+ (..can-modify
(function (modify time-stamp)
(do io.Monad<IO>
[outcome (java/io/File::setLastModified (|> time-stamp instant.relative duration.to-millis)
@@ -308,7 +310,7 @@
(io.throw cannot-modify [time-stamp path]))))))
(def: delete
- (!.forge
+ (..can-delete
(function (delete _)
(!delete path cannot-delete-file)))))
@@ -317,7 +319,7 @@
(~~ (do-template [<name> <method> <capability>]
[(def: <name>
- (!.forge
+ (..can-query
(function (<name> _)
(do io.Monad<Process>
[?children (java/io/File::listFiles (java/io/File::new path))]
@@ -337,14 +339,14 @@
))
(def: discard
- (!.forge
+ (..can-delete
(function (discard _)
(!delete path cannot-discard-directory)))))
(structure: #export _ (System IO)
(~~ (do-template [<name> <method> <capability> <exception>]
[(def: <name>
- (!.forge
+ (..can-open
(function (<name> path)
(do io.Monad<IO>
[#let [file (java/io/File::new path)]
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-23 08:08:26 +0000