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parse.y: quoted ID key

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* parse.y (assoc): allow quoted ID as a key of a hash literal.
  [ruby-core:34453] [Feature #4276]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@47649 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
nobu 2014-09-20 01:48:43 +00:00
parent 7190c04417
commit b0c03f63e5
6 changed files with 66 additions and 9 deletions
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5
ChangeLog
View file

@ -1,3 +1,8 @@
Sat Sep 20 10:48:41 2014 Nobuyoshi Nakada <nobu@ruby-lang.org>
* parse.y (assoc): allow quoted ID as a key of a hash literal.
[ruby-core:34453] [Feature #4276]
Sat Sep 20 10:23:00 2014 Nobuyoshi Nakada <nobu@ruby-lang.org>
* compile.c (iseq_set_arguments): store local variable IDs in

3
ext/ripper/eventids2.c
View file

@ -46,6 +46,7 @@ static ID ripper_id_rational;
static ID ripper_id_regexp_beg;
static ID ripper_id_regexp_end;
static ID ripper_id_label;
static ID ripper_id_label_end;
static ID ripper_id_tlambda;
static ID ripper_id_tlambeg;
@ -103,6 +104,7 @@ ripper_init_eventids2(void)
ripper_id_regexp_beg = rb_intern_const("on_regexp_beg");
ripper_id_regexp_end = rb_intern_const("on_regexp_end");
ripper_id_label = rb_intern_const("on_label");
ripper_id_label_end = rb_intern_const("on_label_end");
ripper_id_tlambda = rb_intern_const("on_tlambda");
ripper_id_tlambeg = rb_intern_const("on_tlambeg");
@ -259,6 +261,7 @@ static const struct token_assoc {
{tWORDS_BEG, &ripper_id_words_beg},
{tXSTRING_BEG, &ripper_id_backtick},
{tLABEL, &ripper_id_label},
{tLABEL_END, &ripper_id_label_end},
{tLAMBDA, &ripper_id_tlambda},
{tLAMBEG, &ripper_id_tlambeg},

47
parse.y
View file

@ -823,7 +823,7 @@ static void token_info_pop(struct parser_params*, const char *token);
%token tAMPER "&"
%token tLAMBDA "->"
%token tSYMBEG tSTRING_BEG tXSTRING_BEG tREGEXP_BEG tWORDS_BEG tQWORDS_BEG tSYMBOLS_BEG tQSYMBOLS_BEG
%token tSTRING_DBEG tSTRING_DEND tSTRING_DVAR tSTRING_END tLAMBEG
%token tSTRING_DBEG tSTRING_DEND tSTRING_DVAR tSTRING_END tLAMBEG tLABEL_END
/*
* precedence table
@ -2305,14 +2305,24 @@ arg : lhs '=' arg
$$ = dispatch1(defined, $4);
%*/
}
| arg '?' arg opt_nl ':' arg
| arg '?'
{
$<val>$ = cond_stack;
cond_stack = 0;
COND_PUSH(1);
}
arg opt_nl ':'
{
cond_stack = $<val>3;
}
arg
{
/*%%%*/
value_expr($1);
$$ = NEW_IF(cond($1), $3, $6);
$$ = NEW_IF(cond($1), $4, $8);
fixpos($$, $1);
/*%
$$ = dispatch3(ifop, $1, $3, $6);
$$ = dispatch3(ifop, $1, $4, $8);
%*/
}
| primary
@ -4217,6 +4227,9 @@ string_content : tSTRING_CONTENT
{
$<node>$ = lex_strterm;
lex_strterm = 0;
}
{
$<num>$ = lex_state;
lex_state = EXPR_BEG;
}
{
@ -4228,12 +4241,13 @@ string_content : tSTRING_CONTENT
cond_stack = $<val>1;
cmdarg_stack = $<val>2;
lex_strterm = $<node>3;
brace_nest = $<num>4;
lex_state = $<num>4;
brace_nest = $<num>5;
/*%%%*/
if ($5) $5->flags &= ~NODE_FL_NEWLINE;
$$ = new_evstr($5);
if ($6) $6->flags &= ~NODE_FL_NEWLINE;
$$ = new_evstr($6);
/*%
$$ = dispatch1(string_embexpr, $5);
$$ = dispatch1(string_embexpr, $6);
%*/
}
;
@ -4947,6 +4961,14 @@ assoc : arg_value tASSOC arg_value
$$ = dispatch2(assoc_new, $1, $2);
%*/
}
| tSTRING_BEG string_contents tLABEL_END arg_value
{
/*%%%*/
$$ = list_append(NEW_LIST(dsym_node($2)), $4);
/*%
$$ = dispatch2(assoc_new, dispatch1(dyna_symbol, $2), $4);
%*/
}
| tDSTAR arg_value
{
/*%%%*/
@ -7653,7 +7675,14 @@ parser_yylex(struct parser_params *parser)
}
else {
token = parse_string(lex_strterm);
if (token == tSTRING_END || token == tREGEXP_END) {
if (token == tSTRING_END && (peek_n('\'', -1) || peek_n('"', -1))) {
if (((IS_lex_state(EXPR_BEG | EXPR_ENDFN) && !COND_P()) || IS_ARG()) &&
IS_LABEL_SUFFIX(0)) {
nextc();
token = tLABEL_END;
}
}
if (token == tSTRING_END || token == tREGEXP_END || token == tLABEL_END) {
rb_gc_force_recycle((VALUE)lex_strterm);
lex_strterm = 0;
lex_state = EXPR_END;

4
test/ripper/test_parser_events.rb
View file

@ -548,6 +548,10 @@ class TestRipper::ParserEvents < Test::Unit::TestCase
thru_dyna_symbol = false
parse(':"#{foo}"', :on_dyna_symbol) {thru_dyna_symbol = true}
assert_equal true, thru_dyna_symbol
thru_dyna_symbol = false
parse('{"#{foo}": 1}', :on_dyna_symbol) {thru_dyna_symbol = true}
assert_equal true, thru_dyna_symbol
end
def test_else

5
test/ripper/test_scanner_events.rb
View file

@ -878,6 +878,11 @@ class TestRipper::ScannerEvents < Test::Unit::TestCase
scan('label', '{foo: 1}')
end
def test_label_end
assert_equal %w(":),
scan('label_end', '{"foo-bar": 1}')
end
def test_tlambda
assert_equal %w(->),
scan('tlambda', '->{}')

11
test/ruby/test_hash.rb
View file

@ -1269,6 +1269,17 @@ class TestHash < Test::Unit::TestCase
assert_equal(bug9381, hash[wrapper.new(5)])
end
def test_label_syntax
return unless @cls == Hash
feature4935 = '[ruby-core:37553] [Feature #4935]'
x = 'world'
hash = assert_nothing_raised(SyntaxError) do
break eval(%q({foo: 1, "foo-bar": 2, "hello-#{x}": 3, 'hello-#{x}': 4}))
end
assert_equal({:foo => 1, :'foo-bar' => 2, :'hello-world' => 3, :'hello-#{x}' => 4}, hash)
end
class TestSubHash < TestHash
class SubHash < Hash
def reject(*)