ruby.git/ext/ripper, branch ruby_2_6

merge revision(s) 67200: [Backport #15648]

2019-03-11T06:52:01+00:00

	Add ignored_sp event

	* ext/ripper/lib/ripper/lexer.rb (Ripper::Lexer): add ignored_sp
	  event which will be fired from Ripper::Lexer#on_heredoc_dedent
	  method.  [ruby-core:91727] [Bug #15648]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_6@67208 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

Use delete_prefix instead of `sub(/\Afixed-pattern/, '')`

2018-12-04T08:22:10+00:00

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@66189 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

UNREACHABLE_RETURN

2018-07-24T05:38:07+00:00

* include/ruby/ruby.h (UNREACHABLE_RETURN): UNREACHABLE at the end
  of non-void functions.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@64025 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

Remove flip-flop usages from build scripts

2018-06-15T08:53:17+00:00

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@63669 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

Fix FrozenError on `Ripper.slice`

2018-03-13T12:56:04+00:00

Currently `Ripper.slice` raises a FrozenError

```ruby
require 'ripper'
p Ripper.slice('foo', 'ident')
```

```
/path/to/g/lib/ruby/2.6.0/ripper/lexer.rb:193:in `concat': can't modify frozen String (FrozenError)
	from /path/to/g/lib/ruby/2.6.0/ripper/lexer.rb:193:in `block in compile'
	from /path/to/g/lib/ruby/2.6.0/ripper/lexer.rb:190:in `scan'
	from /path/to/g/lib/ruby/2.6.0/ripper/lexer.rb:190:in `compile'
	from /path/to/g/lib/ruby/2.6.0/ripper/lexer.rb:169:in `initialize'
	from /path/to/g/lib/ruby/2.6.0/ripper/lexer.rb:151:in `new'
	from /path/to/g/lib/ruby/2.6.0/ripper/lexer.rb:151:in `token_match'
	from /path/to/g/lib/ruby/2.6.0/ripper/lexer.rb:144:in `slice'
	from /tmp/tmp.kb4cnhvum2/test.rb:2:in `'
```

This patch will fix the problem.

[Fix GH-1837]

From: Masataka Pocke Kuwabara 

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@62743 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ripper: fix escaped space

2018-03-12T07:55:17+00:00

* parse.y: use tSP same as ripper instead of tSPACE.
  [ruby-core:86080] [Bug #14597]

* ext/ripper/eventids2.c: tSP is defined in ripper.c now.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@62727 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ext/ripper/tools/dsl.rb: Use String#sub instead of delete_suffix

2018-01-20T17:52:51+00:00

It fails when baseruby is old.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@61994 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

parse.y: Remove double meaning of new_qcall/new_command_qcall

2018-01-20T17:45:25+00:00

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@61992 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ext/ripper/tools/dsl.rb: Serialize dispatch calls

2018-01-20T17:45:24+00:00

To avoid the unspecified behavior (the evaluation order of arguments).
In `$$ = foo(bar(), baz());`, it is unspecified which `bar` or `baz` is
called earlier.

This commit changes the code to `v1=bar(); v2=baz(); $$ = foo();`.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@61991 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

parse.y: Remove unneeded var_field_1 trick

2018-01-20T06:11:21+00:00

I thought this trick was needed because the result of var_field was
passed to different arguments, as follows:

```
$1 = var_field(p, $1);
$$ = backref_assign_error(p, $1, $1, &@$);
```

Currently the DSL supports that one result is passed to one argument.

However, after the refactoring, I found that `backref_assign_error`
uses only one `$1`.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@61979 b2dd03c8-39d4-4d8f-98ff-823fe69b080e