added git st with the new operator regex

jashkenas · Dec 24, 2009 · b1f3ad2 · b1f3ad2
1 parent 2b94849
commit b1f3ad2
Show file tree

Hide file tree

Showing 2 changed files with 3 additions and 2 deletions.
diff --git a/examples/code.cs b/examples/code.cs
@@ -99,7 +99,7 @@
   continue if continuing.
 
 # Unary operators.
-!true
+!!true
 
 # Lexical scoping.
 a: 5

diff --git a/lib/coffee_script/grammar.y b/lib/coffee_script/grammar.y
@@ -18,7 +18,7 @@ token JS
 
 # Declare order of operations.
 prechigh
-  nonassoc UMINUS NOT '!' '~'
+  nonassoc UMINUS NOT '!' '!!' '~'
   left     '*' '/' '%'
   left     '+' '-'
   left     '<<' '>>' '>>>'
@@ -138,6 +138,7 @@ rule
   # https://www.cs.auckland.ac.nz/references/ruby/ProgrammingRuby/language.html
   Operation:
     '!' Expression                    { result = OpNode.new(val[0], val[1]) }
+  | '!!' Expression                   { result = OpNode.new(val[0], val[1]) }
   | '-' Expression = UMINUS           { result = OpNode.new(val[0], val[1]) }
   | NOT Expression                    { result = OpNode.new(val[0], val[1]) }
   | '~' Expression                    { result = OpNode.new(val[0], val[1]) }