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parse.y: simplify numerics 

* parse.y (simple_numeric): integrate numeric literals and simplify
  numeric rules.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@42331 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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nobu 2013-08-02 14:14:18 +00:00
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Коммит e176b8e1c1
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5
ChangeLog
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@ -1,4 +1,7 @@
Fri Aug 2 23:13:18 2013 Nobuyoshi Nakada <nobu@ruby-lang.org>
Fri Aug 2 23:14:16 2013 Nobuyoshi Nakada <nobu@ruby-lang.org>
* parse.y (simple_numeric): integrate numeric literals and simplify
numeric rules.
* ext/ripper/eventids2.c (ripper_init_eventids2): ripper support for
new literals, tRATIONAL and tIMAGINARY.

80
parse.y
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@ -761,7 +761,7 @@ static void token_info_pop(struct parser_params*, const char *token);
%type <node> singleton strings string string1 xstring regexp
%type <node> string_contents xstring_contents regexp_contents string_content
%type <node> words symbols symbol_list qwords qsymbols word_list qword_list qsym_list word
%type <node> literal numeric dsym cpath
%type <node> literal numeric simple_numeric dsym cpath
%type <node> top_compstmt top_stmts top_stmt
%type <node> bodystmt compstmt stmts stmt_or_begin stmt expr arg primary command command_call method_call
%type <node> expr_value arg_value primary_value fcall
@ -2110,7 +2110,7 @@ arg : lhs '=' arg
$$ = dispatch3(binary, $1, ripper_intern("**"), $3);
%*/
}
| tUMINUS_NUM tINTEGER tPOW arg
| tUMINUS_NUM simple_numeric tPOW arg
{
/*%%%*/
$$ = NEW_CALL(call_bin_op($2, tPOW, $4), tUMINUS, 0);
@ -2119,33 +2119,6 @@ arg : lhs '=' arg
$$ = dispatch2(unary, ripper_intern("-@"), $$);
%*/
}
| tUMINUS_NUM tFLOAT tPOW arg
{
/*%%%*/
$$ = NEW_CALL(call_bin_op($2, tPOW, $4), tUMINUS, 0);
/*%
$$ = dispatch3(binary, $2, ripper_intern("**"), $4);
$$ = dispatch2(unary, ripper_intern("-@"), $$);
%*/
}
| tUMINUS_NUM tRATIONAL tPOW arg
{
/*%%%*/
$$ = NEW_CALL(call_bin_op($2, tPOW, $4), tUMINUS, 0);
/*%
$$ = dispatch3(binary, $2, ripper_intern("**"), $4);
$$ = dispatch2(unary, ripper_intern("-@"), $$);
%*/
}
| tUMINUS_NUM tIMAGINARY tPOW arg
{
/*%%%*/
$$ = NEW_CALL(call_bin_op($2, tPOW, $4), tUMINUS, 0);
/*%
$$ = dispatch3(binary, $2, ripper_intern("**"), $4);
$$ = dispatch2(unary, ripper_intern("-@"), $$);
%*/
}
| tUPLUS arg
{
/*%%%*/
@ -4310,42 +4283,21 @@ dsym : tSYMBEG xstring_contents tSTRING_END
}
;
numeric : tINTEGER
numeric : simple_numeric
| tUMINUS_NUM simple_numeric %prec tLOWEST
{
/*%%%*/
$$ = negate_lit($2);
/*%
$$ = dispatch2(unary, ripper_intern("-@"), $2);
%*/
}
;
simple_numeric : tINTEGER
| tFLOAT
| tRATIONAL
| tIMAGINARY
| tUMINUS_NUM tINTEGER %prec tLOWEST
{
/*%%%*/
$$ = negate_lit($2);
/*%
$$ = dispatch2(unary, ripper_intern("-@"), $2);
%*/
}
| tUMINUS_NUM tFLOAT %prec tLOWEST
{
/*%%%*/
$$ = negate_lit($2);
/*%
$$ = dispatch2(unary, ripper_intern("-@"), $2);
%*/
}
| tUMINUS_NUM tRATIONAL %prec tLOWEST
{
/*%%%*/
$$ = negate_lit($2);
/*%
$$ = dispatch2(unary, ripper_intern("-@"), $2);
%*/
}
| tUMINUS_NUM tIMAGINARY %prec tLOWEST
{
/*%%%*/
$$ = negate_lit($2);
/*%
$$ = dispatch2(unary, ripper_intern("-@"), $2);
%*/
}
| tRATIONAL
| tIMAGINARY
;
user_variable : tIDENTIFIER