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Use user defined parameterizing rules mlhs

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ydah 2025-03-02 02:24:45 +09:00 committed by Yudai Takada
parent 6c8cdc9c6b
commit c93f30ab67
Notes: git 2025-03-02 14:11:03 +00:00 
Merged: https://github.com/ruby/ruby/pull/12836
1 changed files with 23 additions and 32 deletions
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parse.y
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@ -2779,7 +2779,7 @@ rb_parser_ary_free(rb_parser_t *p, rb_parser_ary_t *ary)
%type <node> command_asgn mrhs mrhs_arg superclass block_call block_command
%type <node_args> f_arglist f_opt_paren_args f_paren_args f_args
%type <node_args_aux> f_arg f_arg_item
%type <node> f_marg f_marg_list f_rest_marg
%type <node> f_marg f_rest_marg
%type <node_masgn> f_margs
%type <node> assoc_list assocs assoc undef_list backref string_dvar for_var
%type <node_args> block_param opt_block_param block_param_def
@ -2788,7 +2788,7 @@ rb_parser_ary_free(rb_parser_t *p, rb_parser_ary_t *ary)
%type <locations_lambda_body> lambda_body
%type <node_args> f_larglist
%type <node> brace_block cmd_brace_block do_block lhs none fitem
%type <node> mlhs_head mlhs_item mlhs_node mlhs_post
%type <node> mlhs_head mlhs_item mlhs_node
%type <node_masgn> mlhs mlhs_basic mlhs_inner
%type <node> p_case_body p_cases p_top_expr p_top_expr_body
%type <node> p_expr p_as p_alt p_expr_basic p_find
@ -3005,6 +3005,19 @@ rb_parser_ary_free(rb_parser_t *p, rb_parser_ary_t *ary)
}
;
%rule mlhs(item) <node>
: item
{
$$ = NEW_LIST($1, &@$);
/*% ripper: mlhs_add!(mlhs_new!, $:1) %*/
}
| mlhs(item) ',' item
{
$$ = list_append(p, $1, $3);
/*% ripper: mlhs_add!($:1, $:3) %*/
}
;
%rule op_asgn(rhs) <node>
: var_lhs tOP_ASGN lex_ctxt rhs
{
@ -3600,7 +3613,7 @@ mlhs_basic : mlhs_head
$$ = NEW_MASGN($1, $3, &@$);
/*% ripper: mlhs_add_star!($:1, $:3) %*/
}
| mlhs_head tSTAR mlhs_node ',' mlhs_post
| mlhs_head tSTAR mlhs_node ',' mlhs(mlhs_item)
{
$$ = NEW_MASGN($1, NEW_POSTARG($3,$5,&@$), &@$);
/*% ripper: mlhs_add_post!(mlhs_add_star!($:1, $:3), $:5) %*/
@ -3610,7 +3623,7 @@ mlhs_basic : mlhs_head
$$ = NEW_MASGN($1, NODE_SPECIAL_NO_NAME_REST, &@$);
/*% ripper: mlhs_add_star!($:1, Qnil) %*/
}
| mlhs_head tSTAR ',' mlhs_post
| mlhs_head tSTAR ',' mlhs(mlhs_item)
{
$$ = NEW_MASGN($1, NEW_POSTARG(NODE_SPECIAL_NO_NAME_REST, $4, &@$), &@$);
/*% ripper: mlhs_add_post!(mlhs_add_star!($:1, Qnil), $:4) %*/
@ -3620,7 +3633,7 @@ mlhs_basic : mlhs_head
$$ = NEW_MASGN(0, $2, &@$);
/*% ripper: mlhs_add_star!(mlhs_new!, $:2) %*/
}
| tSTAR mlhs_node ',' mlhs_post
| tSTAR mlhs_node ',' mlhs(mlhs_item)
{
$$ = NEW_MASGN(0, NEW_POSTARG($2,$4,&@$), &@$);
/*% ripper: mlhs_add_post!(mlhs_add_star!(mlhs_new!, $:2), $:4) %*/
@ -3630,7 +3643,7 @@ mlhs_basic : mlhs_head
$$ = NEW_MASGN(0, NODE_SPECIAL_NO_NAME_REST, &@$);
/*% ripper: mlhs_add_star!(mlhs_new!, Qnil) %*/
}
| tSTAR ',' mlhs_post
| tSTAR ',' mlhs(mlhs_item)
{
$$ = NEW_MASGN(0, NEW_POSTARG(NODE_SPECIAL_NO_NAME_REST, $3, &@$), &@$);
/*% ripper: mlhs_add_post!(mlhs_add_star!(mlhs_new!, Qnil), $:3) %*/
@ -3657,17 +3670,6 @@ mlhs_head : mlhs_item ','
}
;
mlhs_post : mlhs_item
{
$$ = NEW_LIST($1, &@$);
/*% ripper: mlhs_add!(mlhs_new!, $:1) %*/
}
| mlhs_post ',' mlhs_item
{
$$ = list_append(p, $1, $3);
/*% ripper: mlhs_add!($:1, $:3) %*/
}
;
mlhs_node : user_or_keyword_variable
{
@ -4877,29 +4879,18 @@ f_marg : f_norm_arg
}
;
f_marg_list : f_marg
{
$$ = NEW_LIST($1, &@$);
/*% ripper: mlhs_add!(mlhs_new!, $:1) %*/
}
| f_marg_list ',' f_marg
{
$$ = list_append(p, $1, $3);
/*% ripper: mlhs_add!($:1, $:3) %*/
}
;
f_margs : f_marg_list
f_margs : mlhs(f_marg)
{
$$ = NEW_MASGN($1, 0, &@$);
/*% ripper: $:1 %*/
}
| f_marg_list ',' f_rest_marg
| mlhs(f_marg) ',' f_rest_marg
{
$$ = NEW_MASGN($1, $3, &@$);
/*% ripper: mlhs_add_star!($:1, $:3) %*/
}
| f_marg_list ',' f_rest_marg ',' f_marg_list
| mlhs(f_marg) ',' f_rest_marg ',' mlhs(f_marg)
{
$$ = NEW_MASGN($1, NEW_POSTARG($3, $5, &@$), &@$);
/*% ripper: mlhs_add_post!(mlhs_add_star!($:1, $:3), $:5) %*/
@ -4909,7 +4900,7 @@ f_margs : f_marg_list
$$ = NEW_MASGN(0, $1, &@$);
/*% ripper: mlhs_add_star!(mlhs_new!, $:1) %*/
}
| f_rest_marg ',' f_marg_list
| f_rest_marg ',' mlhs(f_marg)
{
$$ = NEW_MASGN(0, NEW_POSTARG($1, $3, &@$), &@$);
/*% ripper: mlhs_add_post!(mlhs_add_star!(mlhs_new!, $:1), $:3) %*/