From e05299d3d84dcbba79887f1dc5b42d689b714edc Mon Sep 17 00:00:00 2001
From: Nadrieril
Date: Thu, 4 Apr 2019 20:07:51 +0200
Subject: Factor literal-expression back in

---
 dhall_parser/src/dhall.abnf            | 16 ++++------------
 dhall_parser/src/dhall.pest.visibility |  3 +--
 2 files changed, 5 insertions(+), 14 deletions(-)

(limited to 'dhall_parser')

diff --git a/dhall_parser/src/dhall.abnf b/dhall_parser/src/dhall.abnf
index 15fd898..52d5b91 100644
--- a/dhall_parser/src/dhall.abnf
+++ b/dhall_parser/src/dhall.abnf
@@ -622,15 +622,6 @@ labels = "{" whsp [ any-label whsp *("," whsp any-label whsp) ] "}"
 
 
 primitive-expression =
-      literal-expression
-    / "{" whsp record-type-or-literal "}"
-    / "<" whsp union-type-or-literal ">"
-    / non-empty-list-literal
-    / parenthesized-expression
-
-; NOTE: Backtrack when parsing the first three alternatives (i.e. the numeric
-; literals).  This is because they share leading characters in common
-literal-expression =
     ; "2.0"
       double-literal
     
@@ -646,9 +637,10 @@ literal-expression =
     ; "x"
     ; "x@2"
     / identifier
-
-minus-infinity-literal = "-" Infinity
-plus-infinity-literal = Infinity
+    / "{" whsp record-type-or-literal "}"
+    / "<" whsp union-type-or-literal ">"
+    / non-empty-list-literal
+    / parenthesized-expression
 
 record-type-or-literal =
       empty-record-literal
diff --git a/dhall_parser/src/dhall.pest.visibility b/dhall_parser/src/dhall.pest.visibility
index ac3ea30..63a4179 100644
--- a/dhall_parser/src/dhall.pest.visibility
+++ b/dhall_parser/src/dhall.pest.visibility
@@ -142,8 +142,7 @@ application_expression
 selector_expression
 selector
 labels
-# primitive_expression
-literal_expression
+primitive_expression
 # record_type_or_literal
 empty_record_literal
 empty_record_type
-- 
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