From 19b14056e95bbde2f852c5ce4ed16b36c9f85217 Mon Sep 17 00:00:00 2001
From: Eduardo Julian
Date: Wed, 2 Jun 2021 00:13:17 -0400
Subject: Struggling against the lexing limitations of Renjin.

---
 stdlib/source/lux/target/r.lux                     |  73 +++++++-------
 .../lux/phase/extension/generation/r/common.lux    |  67 ++++++------
 .../language/lux/phase/generation/r/runtime.lux    | 112 ++++++++++++---------
 3 files changed, 133 insertions(+), 119 deletions(-)

(limited to 'stdlib')

diff --git a/stdlib/source/lux/target/r.lux b/stdlib/source/lux/target/r.lux
index c60456ad2..2e8283a9e 100644
--- a/stdlib/source/lux/target/r.lux
+++ b/stdlib/source/lux/target/r.lux
@@ -71,11 +71,13 @@
     (:abstraction
      (format "(" code ")")))
 
+  (def: nested_new_line
+    (format text.new_line text.tab))
+
   (def: nest
     (-> Text Text)
-    (let [nested_new_line (format text.new_line text.tab)]
-      (|>> (format text.new_line)
-           (text.replace_all text.new_line nested_new_line))))
+    (|>> (text.replace_all text.new_line ..nested_new_line)
+         (format ..nested_new_line)))
 
   (def: (_block expression)
     (-> Text Text)
@@ -84,12 +86,14 @@
   (def: #export (block expression)
     (-> Expression Expression)
     (:abstraction
-     (format "{" (:representation expression) "}")))
+     (format "{"
+             (..nest (:representation expression))
+             text.new_line "}")))
 
   (template [<name> <r>]
     [(def: #export <name>
        Expression
-       (..self_contained <r>))]
+       (:abstraction <r>))]
 
     [null "NULL"]
     [n/a "NA"]
@@ -107,11 +111,11 @@
     (-> Bit Expression)
     (|>> (case> #0 "FALSE"
                 #1 "TRUE")
-         ..self_contained))
+         :abstraction))
 
   (def: #export (int value)
     (-> Int Expression)
-    (..self_contained (format "as.integer(" (%.int value) ")")))
+    (:abstraction (format "as.integer(" (%.int value) ")")))
 
   (def: #export float
     (-> Frac Expression)
@@ -146,31 +150,8 @@
 
   (def: #export string
     (-> Text Expression)
-    (|>> %.text ..sanitize ..self_contained))
-
-  (def: (composite_literal left_delimiter right_delimiter entry_serializer)
-    (All [a] (-> Text Text (-> a Text)
-                 (-> (List a) Expression)))
-    (.function (_ entries)
-      (..self_contained
-       (format left_delimiter
-               (|> entries (list\map entry_serializer) (text.join_with ","))
-               right_delimiter))))
-
-  (def: #export named_list
-    (-> (List [Text Expression]) Expression)
-    (composite_literal "list(" ")" (.function (_ [key value])
-                                     (format key "=" (:representation value)))))
-  
-  (template [<name> <function>]
-    [(def: #export <name>
-       (-> (List Expression) Expression)
-       (composite_literal (format <function> "(") ")" ..code))]
+    (|>> ..sanitize %.text :abstraction))
 
-    [vector "c"]
-    [list   "list"]
-    )
-  
   (def: #export (slice from to list)
     (-> Expression Expression Expression Expression)
     (..self_contained
@@ -185,8 +166,30 @@
 
   (def: #export (apply args func)
     (-> (List Expression) Expression Expression)
-    (..self_contained
-     (format (:representation func) "(" (text.join_with "," (list\map ..code args)) ")")))
+    (let [func (:representation func)
+          spacing (|> " " (list.repeat (text.size func)) (text.join_with ""))]
+      (:abstraction
+       (format func "("
+               (|> args
+                   (list\map ..code)
+                   (text.join_with (format "," text.new_line))
+                   ..nest)
+               ")"))))
+
+  (template [<name> <function>]
+    [(def: #export (<name> members)
+       (-> (List Expression) Expression)
+       (..apply members (..var <function>)))]
+
+    [vector "c"]
+    [list   "list"]
+    )
+
+  (def: #export named_list
+    (-> (List [Text Expression]) Expression)
+    (|>> (list\map (.function (_ [key value])
+                     (:abstraction (format key "=" (:representation value)))))
+         ..list))
 
   (def: #export (apply_kw args kw_args func)
     (-> (List Expression) (List [Text Expression]) Expression Expression)
@@ -228,9 +231,9 @@
     [0
      [["commandArgs"]]]
     [1
-     []]
+     [["intToUtf8"]]]
     [2
-     []]
+     [["paste"]]]
     )
 
   (def: #export (nth idx list)
diff --git a/stdlib/source/lux/tool/compiler/language/lux/phase/extension/generation/r/common.lux b/stdlib/source/lux/tool/compiler/language/lux/phase/extension/generation/r/common.lux
index cb82c6cb4..d9178d8c2 100644
--- a/stdlib/source/lux/tool/compiler/language/lux/phase/extension/generation/r/common.lux
+++ b/stdlib/source/lux/tool/compiler/language/lux/phase/extension/generation/r/common.lux
@@ -92,25 +92,25 @@
 ## ##       (-> Expression Expression Expression))
 ## ##   (//runtime.i64//64 (operation parameter subject)))
 
-## (def: i64_procs
-##   Bundle
-##   (<| (/.prefix "i64")
-##       (|> /.empty
-##           (/.install "and" (binary _.logand/2))
-##           (/.install "or" (binary _.logior/2))
-##           (/.install "xor" (binary _.logxor/2))
-##           (/.install "left-shift" (binary _.ash/2))
-##           (/.install "right-shift" (binary (product.uncurry //runtime.i64//right_shift)))
-##           (/.install "=" (binary _.=/2))
-##           (/.install "<" (binary _.</2))
-##           (/.install "+" (binary _.+/2))
-##           (/.install "-" (binary _.-/2))
-##           (/.install "*" (binary _.*/2))
-##           (/.install "/" (binary _.floor/2))
-##           (/.install "%" (binary _.rem/2))
-##           ## (/.install "f64" (unary (_.//2 (_.float +1.0))))
-##           (/.install "char" (unary (|>> _.code-char/1 _.string/1)))
-##           )))
+(def: i64_procs
+  Bundle
+  (<| (/.prefix "i64")
+      (|> /.empty
+          ## (/.install "and" (binary _.logand/2))
+          ## (/.install "or" (binary _.logior/2))
+          ## (/.install "xor" (binary _.logxor/2))
+          ## (/.install "left-shift" (binary _.ash/2))
+          ## (/.install "right-shift" (binary (product.uncurry //runtime.i64//right_shift)))
+          ## (/.install "=" (binary _.=/2))
+          ## (/.install "<" (binary _.</2))
+          ## (/.install "+" (binary _.+/2))
+          ## (/.install "-" (binary _.-/2))
+          ## (/.install "*" (binary _.*/2))
+          ## (/.install "/" (binary _.floor/2))
+          ## (/.install "%" (binary _.rem/2))
+          ## (/.install "f64" (unary (_.//2 (_.float +1.0))))
+          (/.install "char" (unary (|>> //runtime.i64_low _.intToUtf8/1)))
+          )))
 
 ## (def: f64_procs
 ##   Bundle
@@ -140,19 +140,18 @@
 ##   (Binary (Expression Any))
 ##   (_.char-code/1 (_.char/2 [text index])))
 
-## (def: text_procs
-##   Bundle
-##   (<| (/.prefix "text")
-##       (|> /.empty
-##           (/.install "=" (binary _.string=/2))
-##           ## (/.install "<" (binary (product.uncurry _.string<?/2)))
-##           (/.install "concat" (binary (function (_ [left right])
-##                                         (_.concatenate/3 [(_.symbol "string") left right]))))
-##           (/.install "index" (trinary ..text//index))
-##           (/.install "size" (unary _.length/1))
-##           (/.install "char" (binary ..text//char))
-##           (/.install "clip" (trinary ..text//clip))
-##           )))
+(def: text_procs
+  Bundle
+  (<| (/.prefix "text")
+      (|> /.empty
+          ## (/.install "=" (binary _.string=/2))
+          ## (/.install "<" (binary (product.uncurry _.string<?/2)))
+          (/.install "concat" (binary _.paste/2))
+          ## (/.install "index" (trinary ..text//index))
+          ## (/.install "size" (unary _.length/1))
+          ## (/.install "char" (binary ..text//char))
+          ## (/.install "clip" (trinary ..text//clip))
+          )))
 
 ## (def: (io//log! message)
 ##   (Unary (Expression Any))
@@ -172,8 +171,8 @@
   (<| (/.prefix "lux")
       (|> /.empty
           ## (dictionary.merge lux_procs)
-          ## (dictionary.merge i64_procs)
+          (dictionary.merge i64_procs)
           ## (dictionary.merge f64_procs)
-          ## (dictionary.merge text_procs)
+          (dictionary.merge text_procs)
           ## (dictionary.merge io_procs)
           )))
diff --git a/stdlib/source/lux/tool/compiler/language/lux/phase/generation/r/runtime.lux b/stdlib/source/lux/tool/compiler/language/lux/phase/generation/r/runtime.lux
index 1b7119378..326d688c2 100644
--- a/stdlib/source/lux/tool/compiler/language/lux/phase/generation/r/runtime.lux
+++ b/stdlib/source/lux/tool/compiler/language/lux/phase/generation/r/runtime.lux
@@ -94,43 +94,11 @@
     (_.named_list (list [..i64_high_field (_.int high)]
                         [..i64_low_field (_.int low)]))))
 
-(def: #export variant_tag_field "luxVT")
-(def: #export variant_flag_field "luxVF")
-(def: #export variant_value_field "luxVV")
-
-(def: #export (flag value)
-  (-> Bit Expression)
-  (if value
-    (_.string "")
-    _.null))
-
-(def: (variant' tag last? value)
-  (-> Expression Expression Expression Expression)
-  (_.named_list (list [..variant_tag_field tag]
-                      [..variant_flag_field last?]
-                      [..variant_value_field value])))
-
-(def: #export (variant tag last? value)
-  (-> Nat Bit Expression Expression)
-  (variant' (_.int (.int tag))
-            (flag last?)
-            value))
-
-(def: #export none
-  Expression
-  (variant 0 #0 ..unit))
-
-(def: #export some
-  (-> Expression Expression)
-  (variant 1 #1))
-
-(def: #export left
-  (-> Expression Expression)
-  (variant 0 #0))
-
-(def: #export right
-  (-> Expression Expression)
-  (variant 1 #1))
+(def: #export (lux_i64 high low)
+  (-> Int Int Int)
+  (|> high
+      (i64.left_shift 32)
+      (i64.or low)))
 
 (syntax: #export (with_vars {vars (<code>.tuple (<>.some <code>.local_identifier))}
                    body)
@@ -180,6 +148,47 @@
                                        (_.function (list (~+ inputsC))
                                          (~ code))))))))))))))
 
+(def: #export variant_tag_field "luxVT")
+(def: #export variant_flag_field "luxVF")
+(def: #export variant_value_field "luxVV")
+
+(def: #export (flag value)
+  (-> Bit Expression)
+  (if value
+    (_.string "")
+    _.null))
+
+(def: (variant' tag last? value)
+  (-> Expression Expression Expression Expression)
+  (_.named_list (list [..variant_tag_field tag]
+                      [..variant_flag_field last?]
+                      [..variant_value_field value])))
+
+(runtime: (adt::variant tag last? value)
+  (..variant' tag last? value))
+
+(def: #export (variant tag last? value)
+  (-> Nat Bit Expression Expression)
+  (adt::variant (_.int (.int tag))
+                (flag last?)
+                value))
+
+(def: #export none
+  Expression
+  (variant 0 #0 ..unit))
+
+(def: #export some
+  (-> Expression Expression)
+  (variant 1 #1))
+
+(def: #export left
+  (-> Expression Expression)
+  (variant 0 #0))
+
+(def: #export right
+  (-> Expression Expression)
+  (variant 1 #1))
+
 (def: high_shift (_.bit_shl (_.int +32)))
 
 (runtime: f2^32 (|> (_.int +2) (_.** (_.int +32))))
@@ -628,6 +637,7 @@
       @tuple::left
       @tuple::right
       @sum::get
+      @adt::variant
       ))
 
 (template [<name> <op>]
@@ -667,6 +677,21 @@
 (def: runtime::i64
   Expression
   ($_ _.then
+      @f2^32
+      @f2^63
+      
+      @i64::new
+      @i64::from_float
+      
+      @i64::and
+      @i64::or
+      @i64::xor
+      @i64::not
+      @i64::left_shift
+      @i64::arithmetic_right_shift_32
+      @i64::arithmetic_right_shift
+      @i64::right_shift
+
       @i64::zero
       @i64::one
       @i64::min
@@ -682,15 +707,6 @@
       @i64::*
       @i64::/
       @i64::%
-
-      @i64::and
-      @i64::or
-      @i64::xor
-      @i64::not
-      @i64::left_shift
-      @i64::arithmetic_right_shift_32
-      @i64::arithmetic_right_shift
-      @i64::right_shift
       ))
 
 (runtime: (frac::decode input)
@@ -822,10 +838,6 @@
   Expression
   ($_ _.then
       runtime::lux
-      @f2^32
-      @f2^63
-      @i64::new
-      @i64::from_float
       runtime::i64
       runtime::adt
       runtime::frac
-- 
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