Properly parse negative numbers in json literals

facebookarchive · Mar 15, 2016 · e064729 · e064729
1 parent 19ce744
commit e064729
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Showing 2 changed files with 89 additions and 81 deletions.
diff --git a/compiler/planout.jison b/compiler/planout.jison
@@ -167,6 +167,7 @@ array
 json: /* true, false, null, etc. */
   IDENTIFIER { $$ = JSON.parse($1); }
   | CONST { $$ = $1; }
+  | '-' json_neg_num {$$ = $2; }
   | '[' json_array ']' { $$ = $2; }
   | '{' json_map '}' { $$ = $2; }
   ;
@@ -181,6 +182,8 @@ json_map: /* empty */ { $$ = {}; }
   | json_map ',' json ':' json { $$ = $1; $$[$3] = $5; }
   ;
 
+json_neg_num: CONST { $$ = -$1; };
+
 arguments
   : /* empty */
     { $$ = {}; }