Parse slash after open-paren as regex delimiter (#5453)

Fixed #5411
crystal-lang · Apr 10, 2018 · 27697cf · 27697cf
1 parent e4f637c
commit 27697cf
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diff --git a/spec/compiler/parser/parser_spec.cr b/spec/compiler/parser/parser_spec.cr
@@ -857,6 +857,7 @@ describe "Parser" do
   it_parses "/ /; / /", [regex(" "), regex(" ")] of ASTNode
   it_parses "/ /\n/ /", [regex(" "), regex(" ")] of ASTNode
   it_parses "a = / /", Assign.new("a".var, regex(" "))
+  it_parses "(/ /)", Expressions.new([regex(" ")] of ASTNode)
   it_parses "a = /=/", Assign.new("a".var, regex("="))
   it_parses "a; if / /; / /; elsif / /; / /; end", ["a".call, If.new(regex(" "), regex(" "), If.new(regex(" "), regex(" ")))]
   it_parses "a; if / /\n/ /\nelsif / /\n/ /\nend", ["a".call, If.new(regex(" "), regex(" "), If.new(regex(" "), regex(" ")))]

diff --git a/src/compiler/crystal/syntax/parser.cr b/src/compiler/crystal/syntax/parser.cr
@@ -1597,6 +1597,7 @@ module Crystal
 
     def parse_parenthesized_expression
       location = @token.location
+      slash_is_regex!
       next_token_skip_space_or_newline
 
       if @token.type == :")"