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-rw-r--r--lux-bootstrapper/src/lux/analyser.clj10
-rw-r--r--lux-bootstrapper/src/lux/base.clj14
-rw-r--r--lux-bootstrapper/src/lux/compiler/cache/ann.clj17
-rw-r--r--lux-bootstrapper/src/lux/parser.clj37
-rw-r--r--lux-bootstrapper/src/lux/type.clj6
5 files changed, 28 insertions, 56 deletions
diff --git a/lux-bootstrapper/src/lux/analyser.clj b/lux-bootstrapper/src/lux/analyser.clj
index 5ebda9c6e..f837d8cee 100644
--- a/lux-bootstrapper/src/lux/analyser.clj
+++ b/lux-bootstrapper/src/lux/analyser.clj
@@ -187,10 +187,12 @@
(analyse-variant+ analyse exo-type ?ident parameters))
;; Pattern-matching syntax.
- (&/$Record ?pattern-matching)
- (|let [(&/$Item ?input (&/$End)) parameters]
- (&/with-analysis-meta location exo-type
- (&&lux/analyse-case analyse exo-type ?input ?pattern-matching)))
+ (&/$Variant ?pattern-matching)
+ (if (even? (&/|length ?pattern-matching))
+ (|let [(&/$Item ?input (&/$End)) parameters]
+ (&/with-analysis-meta location exo-type
+ (&&lux/analyse-case analyse exo-type ?input (&/|as-pairs ?pattern-matching))))
+ (&/fail-with-loc (str "[Analyser Error] Unknown syntax: " (&/show-ast (&/T [(&/T ["" -1 -1]) token])))))
;; Function syntax.
(&/$Tuple (&/$Item [_ (&/$Identifier "" ?self)]
diff --git a/lux-bootstrapper/src/lux/base.clj b/lux-bootstrapper/src/lux/base.clj
index 513462d20..eca121b6c 100644
--- a/lux-bootstrapper/src/lux/base.clj
+++ b/lux-bootstrapper/src/lux/base.clj
@@ -84,8 +84,8 @@
("Identifier" 1)
("Tag" 1)
("Form" 1)
- ("Tuple" 1)
- ("Record" 1))
+ ("Variant" 1)
+ ("Tuple" 1))
;; Type
(defvariant
@@ -1258,16 +1258,12 @@
?name
(str ?module +name-separator+ ?name))
+ [_ ($Variant ?elems)]
+ (str "{" (->> ?elems (|map show-ast) (|interpose " ") (fold str "")) "}")
+
[_ ($Tuple ?elems)]
(str "[" (->> ?elems (|map show-ast) (|interpose " ") (fold str "")) "]")
- [_ ($Record ?elems)]
- (str "{" (->> ?elems
- (|map (fn [elem]
- (|let [[k v] elem]
- (str (show-ast k) " " (show-ast v)))))
- (|interpose " ") (fold str "")) "}")
-
[_ ($Form ?elems)]
(str "(" (->> ?elems (|map show-ast) (|interpose " ") (fold str "")) ")")
diff --git a/lux-bootstrapper/src/lux/compiler/cache/ann.clj b/lux-bootstrapper/src/lux/compiler/cache/ann.clj
index 9d5a8e97f..0f13e729b 100644
--- a/lux-bootstrapper/src/lux/compiler/cache/ann.clj
+++ b/lux-bootstrapper/src/lux/compiler/cache/ann.clj
@@ -54,12 +54,8 @@
[_ (&/$Tuple elems)]
(str "[" (serialize-seq serialize elems))
- [_ (&/$Record kvs)]
- (str "{" (serialize-seq (fn [kv]
- (|let [[k v] kv]
- (str (serialize k)
- (serialize v))))
- kvs))
+ [_ (&/$Variant kvs)]
+ (str "{" (serialize-seq serialize elems))
_
(assert false)
@@ -104,11 +100,6 @@
[(&/$Item head tail) input*]))
))
-(defn ^:private deserialize-kv [input]
- (when-let [[key input*] (deserialize input)]
- (when-let [[ann input*] (deserialize input*)]
- [(&/T [key ann]) input*])))
-
(do-template [<name> <signal> <type> <deserializer>]
(defn <name> [^String input]
(when (.startsWith input <signal>)
@@ -118,7 +109,7 @@
^:private deserialize-form "(" &/$Form deserialize
^:private deserialize-tuple "[" &/$Tuple deserialize
- ^:private deserialize-record "{" &/$Record deserialize-kv
+ ^:private deserialize-variant "{" &/$Variant deserialize
)
(defn deserialize
@@ -133,6 +124,6 @@
(deserialize-identifier input)
(deserialize-tag input)
(deserialize-form input)
+ (deserialize-variant input)
(deserialize-tuple input)
- (deserialize-record input)
(assert false "[Cache Error] Cannot deserialize annocation.")))
diff --git a/lux-bootstrapper/src/lux/parser.clj b/lux-bootstrapper/src/lux/parser.clj
index 5d409400e..fa9d0a110 100644
--- a/lux-bootstrapper/src/lux/parser.clj
+++ b/lux-bootstrapper/src/lux/parser.clj
@@ -6,17 +6,13 @@
[lexer :as &lexer])))
;; [Utils]
-(def ^:private base-uneven-record-error
- "[Parser Error] Records must have an even number of elements.")
-
(defn ^:private repeat% [action]
(fn [state]
(|case (action state)
(&/$Left ^String error)
- (if (or (.contains error base-uneven-record-error)
- (not (.contains error "[Parser Error]")))
- (&/$Left error)
- (&/$Right (&/T [state &/$End])))
+ (if (.contains error "[Parser Error]")
+ (&/$Right (&/T [state &/$End]))
+ (&/$Left error))
(&/$Right state* head)
((|do [tail (repeat% action)]
@@ -35,24 +31,11 @@
(&/fail-with-loc (str "[Parser Error] Unbalanced " <description> "."))
)))
- ^:private parse-form &lexer/$Close_Paren "parantheses" &/$Form
- ^:private parse-tuple &lexer/$Close_Bracket "brackets" &/$Tuple
+ ^:private parse-form &lexer/$Close_Paren "parantheses" &/$Form
+ ^:private parse-variant &lexer/$Close_Brace "braces" &/$Variant
+ ^:private parse-tuple &lexer/$Close_Bracket "brackets" &/$Tuple
)
-(defn ^:private parse-record [parse]
- (|do [elems* (repeat% parse)
- token &lexer/lex
- :let [elems (&/fold &/|++ &/$End elems*)]]
- (|case token
- [meta (&lexer/$Close_Brace _)]
- (|do [_ (&/assert! (even? (&/|length elems))
- (&/fail-with-loc base-uneven-record-error))]
- (return (&/$Record (&/|as-pairs elems))))
-
- _
- (&/fail-with-loc "[Parser Error] Unbalanced braces.")
- )))
-
;; [Interface]
(def parse
(|do [token &lexer/lex
@@ -92,12 +75,12 @@
(|do [syntax (parse-form parse)]
(return (&/|list (&/T [meta syntax]))))
- (&lexer/$Open_Bracket _)
- (|do [syntax (parse-tuple parse)]
+ (&lexer/$Open_Brace _)
+ (|do [syntax (parse-variant parse)]
(return (&/|list (&/T [meta syntax]))))
- (&lexer/$Open_Brace _)
- (|do [syntax (parse-record parse)]
+ (&lexer/$Open_Bracket _)
+ (|do [syntax (parse-tuple parse)]
(return (&/|list (&/T [meta syntax]))))
_
diff --git a/lux-bootstrapper/src/lux/type.clj b/lux-bootstrapper/src/lux/type.clj
index 9a153a821..e8d98fedf 100644
--- a/lux-bootstrapper/src/lux/type.clj
+++ b/lux-bootstrapper/src/lux/type.clj
@@ -157,10 +157,10 @@
Ident
(&/$Sum ;; .Form
Code-List
- (&/$Sum ;; .Tuple
+ (&/$Sum ;; .Variant
+ Code-List
+ ;; .Tuple
Code-List
- ;; .Record
- (&/$Apply (&/$Product Code Code) List)
))))))))))
))))