Parser: fixed #4608, correct to parse regex after close bracket

makenowjust · asterite · commit 32d7e3ea5c29 · 2017-08-20T16:22:33.000+02:00
diff --git a/spec/compiler/parser/parser_spec.cr b/spec/compiler/parser/parser_spec.cr
@@ -108,6 +108,9 @@ describe "Parser" do
   it_parses "@foo/2", Call.new("@foo".instance_var, "/", 2.int32)
   it_parses "@@foo/2", Call.new("@@foo".class_var, "/", 2.int32)
   it_parses "1+2*3", Call.new(1.int32, "+", Call.new(2.int32, "*", 3.int32))
+  it_parses "foo[] /2", Call.new(Call.new("foo".call, "[]"), "/", 2.int32)
+  it_parses "foo[1] /2", Call.new(Call.new("foo".call, "[]", 1.int32), "/", 2.int32)
+  it_parses "[1] /2", Call.new(([1.int32] of ASTNode).array, "/", 2.int32)
 
   it_parses "!1", Not.new(1.int32)
   it_parses "- 1", Call.new(1.int32, "-")
diff --git a/src/compiler/crystal/syntax/parser.cr b/src/compiler/crystal/syntax/parser.cr
@@ -692,6 +692,7 @@ module Crystal
           check_void_value atomic, location
 
           column_number = @token.column_number
+          @wants_regex = false
           next_token_skip_space
           atomic = Call.new(atomic, "[]", name_column_number: column_number).at(location)
           atomic.name_size = 0 if atomic.is_a?(Call)
@@ -704,6 +705,7 @@ module Crystal
           call_args = preserve_stop_on_do { parse_call_args_space_consumed check_plus_and_minus: false, allow_curly: true, end_token: :"]" }
           skip_space_or_newline
           check :"]"
+          @wants_regex = false
           next_token
 
           if call_args
@@ -1199,6 +1201,7 @@ module Crystal
         end
       end
       check :"]"
+      @wants_regex = false
       next_token_skip_space
 
       attr = Attribute.new(name, args, named_args)
@@ -2071,6 +2074,7 @@ module Crystal
             break
           end
         end
+        @wants_regex = false
         next_token_skip_space
       end
 
@@ -4494,6 +4498,7 @@ module Crystal
           next_token_skip_space
           size = parse_single_type allow_primitives: true
           check :"]"
+          @wants_regex = false
           next_token_skip_space
           type = make_static_array_type(type, size).at(type.location)
         when :"."
