Fix HEREDOC error message grammar (#5887)

wooster0 · RX14 · commit 0424b2223b5b · 2018-03-29T15:17:20.000+01:00
* Fix HEREDOC error message grammar

* Update parser_spec.cr
diff --git a/spec/compiler/parser/parser_spec.cr b/spec/compiler/parser/parser_spec.cr
@@ -1202,12 +1202,12 @@ describe "Parser" do
   it_parses "<<-HERE1; <<-HERE2\nHERE1\nHERE2", ["".string_interpolation, "".string_interpolation] of ASTNode
   it_parses "<<-HERE1; <<-HERE2\nhere1\nHERE1\nHERE2", ["here1".string_interpolation, "".string_interpolation] of ASTNode
   it_parses "<<-HERE1; <<-HERE2\nHERE1\nhere2\nHERE2", ["".string_interpolation, "here2".string_interpolation] of ASTNode
-  assert_syntax_error "<<-HERE\n   One\nwrong\n  Zero\n  HERE", "heredoc line must have an indent greater or equal than 2", 3, 1
-  assert_syntax_error "<<-HERE\n   One\n wrong\n  Zero\n  HERE", "heredoc line must have an indent greater or equal than 2", 3, 1
-  assert_syntax_error "<<-HERE\n   One\n \#{1}\n  Zero\n  HERE", "heredoc line must have an indent greater or equal than 2", 3, 1
-  assert_syntax_error "<<-HERE\n   One\n  \#{1}\n wrong\n  HERE", "heredoc line must have an indent greater or equal than 2", 4, 1
-  assert_syntax_error "<<-HERE\n   One\n  \#{1}\n wrong\#{1}\n  HERE", "heredoc line must have an indent greater or equal than 2", 4, 1
-  assert_syntax_error "<<-HERE\n One\n  \#{1}\n  HERE", "heredoc line must have an indent greater or equal than 2", 2, 1
+  assert_syntax_error "<<-HERE\n   One\nwrong\n  Zero\n  HERE", "heredoc line must have an indent greater than or equal to 2", 3, 1
+  assert_syntax_error "<<-HERE\n   One\n wrong\n  Zero\n  HERE", "heredoc line must have an indent greater than or equal to 2", 3, 1
+  assert_syntax_error "<<-HERE\n   One\n \#{1}\n  Zero\n  HERE", "heredoc line must have an indent greater than or equal to 2", 3, 1
+  assert_syntax_error "<<-HERE\n   One\n  \#{1}\n wrong\n  HERE", "heredoc line must have an indent greater than or equal to 2", 4, 1
+  assert_syntax_error "<<-HERE\n   One\n  \#{1}\n wrong\#{1}\n  HERE", "heredoc line must have an indent greater than or equal to 2", 4, 1
+  assert_syntax_error "<<-HERE\n One\n  \#{1}\n  HERE", "heredoc line must have an indent greater than or equal to 2", 2, 1
   assert_syntax_error %("\#{<<-HERE}"\nHERE), "heredoc cannot be used inside interpolation"
   assert_syntax_error %("foo" "bar")
 
diff --git a/src/compiler/crystal/syntax/parser.cr b/src/compiler/crystal/syntax/parser.cr
@@ -2022,7 +2022,7 @@ module Crystal
           if remove_indent
             line = current_line.to_s
             if (line.size < indent) || !line.each_char.first(indent).all?(&.ascii_whitespace?)
-              raise "heredoc line must have an indent greater or equal than #{indent}", line_number, 1
+              raise "heredoc line must have an indent greater than or equal to #{indent}", line_number, 1
             else
               line = line[indent..-1]
             end
@@ -2071,7 +2071,7 @@ module Crystal
           line[indent..-1]
         end
       else
-        raise "heredoc line must have an indent greater or equal than #{indent}", line_number, 1
+        raise "heredoc line must have an indent greater than or equal to #{indent}", line_number, 1
       end
     end
 
