From 057295d1521d4af54cf9ec97f1503f6ee5f010be Mon Sep 17 00:00:00 2001
From: Eduardo Julian
Date: Sun, 1 May 2016 12:52:09 -0400
Subject: - Simplified the language by eliminating coercion and
 macro-declaration from the analysis type.

---
 src/lux/analyser.clj      |  2 +-
 src/lux/analyser/base.clj |  2 --
 src/lux/analyser/lux.clj  | 16 ++++++++++------
 src/lux/compiler.clj      |  3 ---
 src/lux/compiler/lux.clj  |  3 ---
 src/lux/optimizer.clj     |  8 --------
 6 files changed, 11 insertions(+), 23 deletions(-)

(limited to 'src')

diff --git a/src/lux/analyser.clj b/src/lux/analyser.clj
index 3256f6902..23cf19061 100644
--- a/src/lux/analyser.clj
+++ b/src/lux/analyser.clj
@@ -256,7 +256,7 @@
                        (&/$Cons ?type
                                 (&/$Cons ?value
                                          (&/$Nil)))))
-    (&&lux/analyse-check analyse eval! exo-type ?type ?value)
+    (&&lux/analyse-ann analyse eval! exo-type ?type ?value)
 
     (&/$FormS (&/$Cons [_ (&/$SymbolS _ "_lux_:!")]
                        (&/$Cons ?type
diff --git a/src/lux/analyser/base.clj b/src/lux/analyser/base.clj
index c76274e76..933af3301 100644
--- a/src/lux/analyser/base.clj
+++ b/src/lux/analyser/base.clj
@@ -22,9 +22,7 @@
   ("case" 2)
   ("lambda" 3)
   ("ann" 3)
-  ("coerce" 3)
   ("def" 3)
-  ("declare-macro" 1)
   ("var" 1)
   ("captured" 1)
   ("host" 2)
diff --git a/src/lux/analyser/lux.clj b/src/lux/analyser/lux.clj
index c0aefed35..9813e5497 100644
--- a/src/lux/analyser/lux.clj
+++ b/src/lux/analyser/lux.clj
@@ -578,22 +578,26 @@
         _ (&&module/alias module-name ex-alias ex-module)]
     (return &/$Nil)))
 
-(defn analyse-check [analyse eval! exo-type ?type ?value]
+(defn analyse-ann [analyse eval! exo-type ?type ?value]
   (|do [=type (&&/analyse-1 analyse &type/Type ?type)
         ==type (eval! =type)
         _ (&type/check exo-type ==type)
         =value (&&/analyse-1 analyse ==type ?value)
         _cursor &/cursor]
+    ;; (analyse ==type ?value)
     (return (&/|list (&&/|meta ==type _cursor
                                (&&/$ann =value =type ==type)
                                )))))
 
+(defn ^:private coerce [new-type analysis]
+  "(-> Type Analysis Analysis)"
+  (|let [[[_type _cursor] _analysis] analysis]
+    (&&/|meta new-type _cursor
+              _analysis)))
+
 (defn analyse-coerce [analyse eval! exo-type ?type ?value]
   (|do [=type (&&/analyse-1 analyse &type/Type ?type)
         ==type (eval! =type)
         _ (&type/check exo-type ==type)
-        =value (&&/analyse-1+ analyse ?value)
-        _cursor &/cursor]
-    (return (&/|list (&&/|meta ==type _cursor
-                               (&&/$coerce =value =type ==type)
-                               )))))
+        =value (&&/analyse-1+ analyse ?value)]
+    (return (&/|list (coerce ==type =value)))))
diff --git a/src/lux/compiler.clj b/src/lux/compiler.clj
index e42f58f3f..2752d4f42 100644
--- a/src/lux/compiler.clj
+++ b/src/lux/compiler.clj
@@ -91,9 +91,6 @@
         (&o/$ann ?value-ex ?type-ex ?value-type)
         (&&lux/compile-ann compile-expression ?value-ex ?type-ex ?value-type)
 
-        (&o/$coerce ?value-ex ?type-ex ?value-type)
-        (&&lux/compile-coerce compile-expression ?value-ex ?type-ex ?value-type)
-
         (&o/$host [?proc-category ?proc-name] ?args)
         (&&host/compile-host compile-expression ?proc-category ?proc-name ?args)
         
diff --git a/src/lux/compiler/lux.clj b/src/lux/compiler/lux.clj
index 3b0ae5b29..ae6c2cdf5 100644
--- a/src/lux/compiler/lux.clj
+++ b/src/lux/compiler/lux.clj
@@ -237,6 +237,3 @@
 
 (defn compile-ann [compile ?value-ex ?type-ex ?value-type]
   (compile ?value-ex))
-
-(defn compile-coerce [compile ?value-ex ?type-ex ?value-type]
-  (compile ?value-ex))
diff --git a/src/lux/optimizer.clj b/src/lux/optimizer.clj
index 09faa73fb..044a89ed6 100644
--- a/src/lux/optimizer.clj
+++ b/src/lux/optimizer.clj
@@ -21,9 +21,7 @@
   ("case" 1)
   ("lambda" 1)
   ("ann" 1)
-  ("coerce" 1)
   ("def" 1)
-  ("declare-macro" 1)
   ("var" 1)
   ("captured" 1)
   ("host" 2)
@@ -86,15 +84,9 @@
     (&-base/$ann value)
     (return ($ann value))
     
-    (&-base/$coerce value)
-    (return ($coerce value))
-    
     (&-base/$def value)
     (return ($def value))
     
-    (&-base/$declare-macro value)
-    (return ($declare-macro value))
-    
     (&-base/$var value)
     (return ($var value))
     
-- 
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