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-rw-r--r--parse.y196
1 files changed, 103 insertions, 93 deletions
diff --git a/parse.y b/parse.y
index 986c67c594..0c192b627d 100644
--- a/parse.y
+++ b/parse.y
@@ -521,12 +521,12 @@ static NODE *aryset(struct parser_params*,NODE*,NODE*,const YYLTYPE*);
static NODE *attrset(struct parser_params*,NODE*,ID,ID,const YYLTYPE*);
static void rb_backref_error(struct parser_params*,NODE*);
-static NODE *node_assign(struct parser_params*,NODE*,NODE*,const YYLTYPE*);
+static NODE *node_assign(struct parser_params*,NODE*,NODE*,int,const YYLTYPE*);
-static NODE *new_op_assign(struct parser_params *p, NODE *lhs, ID op, NODE *rhs, const YYLTYPE *loc);
+static NODE *new_op_assign(struct parser_params *p, NODE *lhs, ID op, NODE *rhs, int shareable, const YYLTYPE *loc);
static NODE *new_ary_op_assign(struct parser_params *p, NODE *ary, NODE *args, ID op, NODE *rhs, const YYLTYPE *args_loc, const YYLTYPE *loc);
static NODE *new_attr_op_assign(struct parser_params *p, NODE *lhs, ID atype, ID attr, ID op, NODE *rhs, const YYLTYPE *loc);
-static NODE *new_const_op_assign(struct parser_params *p, NODE *lhs, ID op, NODE *rhs, const YYLTYPE *loc);
+static NODE *new_const_op_assign(struct parser_params *p, NODE *lhs, ID op, NODE *rhs, int shareable, const YYLTYPE *loc);
static NODE *new_bodystmt(struct parser_params *p, NODE *head, NODE *rescue, NODE *rescue_else, NODE *ensure, const YYLTYPE *loc);
static NODE *const_decl(struct parser_params *p, NODE* path, const YYLTYPE *loc);
@@ -1181,6 +1181,7 @@ static int looking_at_eol_p(struct parser_params *p);
%type <id> f_kwrest f_label f_arg_asgn call_op call_op2 reswords relop dot_or_colon
%type <id> p_rest p_kwrest p_kwnorest p_any_kwrest p_kw_label
%type <id> f_no_kwarg f_any_kwrest args_forward excessed_comma
+%type <num> shareable
%token END_OF_INPUT 0 "end-of-input"
%token <id> '.'
/* escaped chars, should be ignored otherwise */
@@ -1519,99 +1520,99 @@ stmt : keyword_alias fitem {SET_LEX_STATE(EXPR_FNAME|EXPR_FITEM);} fitem
/*% ripper: END!($3) %*/
}
| command_asgn
- | mlhs '=' command_call
+ | mlhs '=' shareable command_call
{
/*%%%*/
- value_expr($3);
- $$ = node_assign(p, $1, $3, &@$);
+ value_expr($4);
+ $$ = node_assign(p, $1, $4, $3, &@$);
/*% %*/
- /*% ripper: massign!($1, $3) %*/
+ /*% ripper: massign!($1, $4) %*/
}
- | lhs '=' mrhs
+ | lhs '=' shareable mrhs
{
/*%%%*/
- value_expr($3);
- $$ = node_assign(p, $1, $3, &@$);
+ value_expr($4);
+ $$ = node_assign(p, $1, $4, $3, &@$);
/*% %*/
- /*% ripper: assign!($1, $3) %*/
+ /*% ripper: assign!($1, $4) %*/
}
- | mlhs '=' mrhs_arg modifier_rescue stmt
+ | mlhs '=' shareable mrhs_arg modifier_rescue stmt
{
/*%%%*/
- YYLTYPE loc = code_loc_gen(&@4, &@5);
- value_expr($3);
- $$ = node_assign(p, $1, NEW_RESCUE($3, NEW_RESBODY(0, remove_begin($5), 0, &loc), 0, &@$), &@$);
+ YYLTYPE loc = code_loc_gen(&@5, &@6);
+ value_expr($4);
+ $$ = node_assign(p, $1, NEW_RESCUE($4, NEW_RESBODY(0, remove_begin($6), 0, &loc), 0, &@$), $3, &@$);
/*% %*/
- /*% ripper: massign!($1, rescue_mod!($3, $5)) %*/
+ /*% ripper: massign!($1, rescue_mod!($4, $6)) %*/
}
- | mlhs '=' mrhs_arg
+ | mlhs '=' shareable mrhs_arg
{
/*%%%*/
- $$ = node_assign(p, $1, $3, &@$);
+ $$ = node_assign(p, $1, $4, $3, &@$);
/*% %*/
- /*% ripper: massign!($1, $3) %*/
+ /*% ripper: massign!($1, $4) %*/
}
| expr
;
-command_asgn : lhs '=' command_rhs
+command_asgn : lhs '=' shareable command_rhs
{
/*%%%*/
- $$ = node_assign(p, $1, $3, &@$);
+ $$ = node_assign(p, $1, $4, $3, &@$);
/*% %*/
- /*% ripper: assign!($1, $3) %*/
+ /*% ripper: assign!($1, $4) %*/
}
- | var_lhs tOP_ASGN command_rhs
+ | var_lhs tOP_ASGN shareable command_rhs
{
/*%%%*/
- $$ = new_op_assign(p, $1, $2, $3, &@$);
+ $$ = new_op_assign(p, $1, $2, $4, $3, &@$);
/*% %*/
- /*% ripper: opassign!($1, $2, $3) %*/
+ /*% ripper: opassign!($1, $2, $4) %*/
}
- | primary_value '[' opt_call_args rbracket tOP_ASGN command_rhs
+ | primary_value '[' opt_call_args rbracket tOP_ASGN shareable command_rhs
{
/*%%%*/
- $$ = new_ary_op_assign(p, $1, $3, $5, $6, &@3, &@$);
+ $$ = new_ary_op_assign(p, $1, $3, $5, $7, &@3, &@$);
/*% %*/
- /*% ripper: opassign!(aref_field!($1, escape_Qundef($3)), $5, $6) %*/
+ /*% ripper: opassign!(aref_field!($1, escape_Qundef($3)), $5, $7) %*/
}
- | primary_value call_op tIDENTIFIER tOP_ASGN command_rhs
+ | primary_value call_op tIDENTIFIER tOP_ASGN shareable command_rhs
{
/*%%%*/
- $$ = new_attr_op_assign(p, $1, $2, $3, $4, $5, &@$);
+ $$ = new_attr_op_assign(p, $1, $2, $3, $4, $6, &@$);
/*% %*/
- /*% ripper: opassign!(field!($1, $2, $3), $4, $5) %*/
+ /*% ripper: opassign!(field!($1, $2, $3), $4, $6) %*/
}
- | primary_value call_op tCONSTANT tOP_ASGN command_rhs
+ | primary_value call_op tCONSTANT tOP_ASGN shareable command_rhs
{
/*%%%*/
- $$ = new_attr_op_assign(p, $1, $2, $3, $4, $5, &@$);
+ $$ = new_attr_op_assign(p, $1, $2, $3, $4, $6, &@$);
/*% %*/
- /*% ripper: opassign!(field!($1, $2, $3), $4, $5) %*/
+ /*% ripper: opassign!(field!($1, $2, $3), $4, $6) %*/
}
- | primary_value tCOLON2 tCONSTANT tOP_ASGN command_rhs
+ | primary_value tCOLON2 tCONSTANT tOP_ASGN shareable command_rhs
{
/*%%%*/
YYLTYPE loc = code_loc_gen(&@1, &@3);
- $$ = new_const_op_assign(p, NEW_COLON2($1, $3, &loc), $4, $5, &@$);
+ $$ = new_const_op_assign(p, NEW_COLON2($1, $3, &loc), $4, $6, $5, &@$);
/*% %*/
- /*% ripper: opassign!(const_path_field!($1, $3), $4, $5) %*/
+ /*% ripper: opassign!(const_path_field!($1, $3), $4, $6) %*/
}
- | primary_value tCOLON2 tIDENTIFIER tOP_ASGN command_rhs
+ | primary_value tCOLON2 tIDENTIFIER tOP_ASGN shareable command_rhs
{
/*%%%*/
- $$ = new_attr_op_assign(p, $1, ID2VAL(idCOLON2), $3, $4, $5, &@$);
+ $$ = new_attr_op_assign(p, $1, ID2VAL(idCOLON2), $3, $4, $6, &@$);
/*% %*/
- /*% ripper: opassign!(field!($1, ID2VAL(idCOLON2), $3), $4, $5) %*/
+ /*% ripper: opassign!(field!($1, ID2VAL(idCOLON2), $3), $4, $6) %*/
}
- | backref tOP_ASGN command_rhs
+ | backref tOP_ASGN shareable command_rhs
{
/*%%%*/
rb_backref_error(p, $1);
$$ = NEW_BEGIN(0, &@$);
/*% %*/
- /*% ripper[error]: assign_error!(assign!(var_field(p, $1), $3)) %*/
+ /*% ripper[error]: assign_error!(assign!(var_field(p, $1), $4)) %*/
}
;
@@ -2253,70 +2254,70 @@ reswords : keyword__LINE__ | keyword__FILE__ | keyword__ENCODING__
| keyword_while | keyword_until
;
-arg : lhs '=' arg_rhs
+arg : lhs '=' shareable arg_rhs
{
/*%%%*/
- $$ = node_assign(p, $1, $3, &@$);
+ $$ = node_assign(p, $1, $4, $3, &@$);
/*% %*/
- /*% ripper: assign!($1, $3) %*/
+ /*% ripper: assign!($1, $4) %*/
}
- | var_lhs tOP_ASGN arg_rhs
+ | var_lhs tOP_ASGN shareable arg_rhs
{
/*%%%*/
- $$ = new_op_assign(p, $1, $2, $3, &@$);
+ $$ = new_op_assign(p, $1, $2, $4, $3, &@$);
/*% %*/
- /*% ripper: opassign!($1, $2, $3) %*/
+ /*% ripper: opassign!($1, $2, $4) %*/
}
- | primary_value '[' opt_call_args rbracket tOP_ASGN arg_rhs
+ | primary_value '[' opt_call_args rbracket tOP_ASGN shareable arg_rhs
{
/*%%%*/
- $$ = new_ary_op_assign(p, $1, $3, $5, $6, &@3, &@$);
+ $$ = new_ary_op_assign(p, $1, $3, $5, $7, &@3, &@$);
/*% %*/
- /*% ripper: opassign!(aref_field!($1, escape_Qundef($3)), $5, $6) %*/
+ /*% ripper: opassign!(aref_field!($1, escape_Qundef($3)), $5, $7) %*/
}
- | primary_value call_op tIDENTIFIER tOP_ASGN arg_rhs
+ | primary_value call_op tIDENTIFIER tOP_ASGN shareable arg_rhs
{
/*%%%*/
- $$ = new_attr_op_assign(p, $1, $2, $3, $4, $5, &@$);
+ $$ = new_attr_op_assign(p, $1, $2, $3, $4, $6, &@$);
/*% %*/
- /*% ripper: opassign!(field!($1, $2, $3), $4, $5) %*/
+ /*% ripper: opassign!(field!($1, $2, $3), $4, $6) %*/
}
- | primary_value call_op tCONSTANT tOP_ASGN arg_rhs
+ | primary_value call_op tCONSTANT tOP_ASGN shareable arg_rhs
{
/*%%%*/
- $$ = new_attr_op_assign(p, $1, $2, $3, $4, $5, &@$);
+ $$ = new_attr_op_assign(p, $1, $2, $3, $4, $6, &@$);
/*% %*/
- /*% ripper: opassign!(field!($1, $2, $3), $4, $5) %*/
+ /*% ripper: opassign!(field!($1, $2, $3), $4, $6) %*/
}
- | primary_value tCOLON2 tIDENTIFIER tOP_ASGN arg_rhs
+ | primary_value tCOLON2 tIDENTIFIER tOP_ASGN shareable arg_rhs
{
/*%%%*/
- $$ = new_attr_op_assign(p, $1, ID2VAL(idCOLON2), $3, $4, $5, &@$);
+ $$ = new_attr_op_assign(p, $1, ID2VAL(idCOLON2), $3, $4, $6, &@$);
/*% %*/
- /*% ripper: opassign!(field!($1, ID2VAL(idCOLON2), $3), $4, $5) %*/
+ /*% ripper: opassign!(field!($1, ID2VAL(idCOLON2), $3), $4, $6) %*/
}
- | primary_value tCOLON2 tCONSTANT tOP_ASGN arg_rhs
+ | primary_value tCOLON2 tCONSTANT tOP_ASGN shareable arg_rhs
{
/*%%%*/
YYLTYPE loc = code_loc_gen(&@1, &@3);
- $$ = new_const_op_assign(p, NEW_COLON2($1, $3, &loc), $4, $5, &@$);
+ $$ = new_const_op_assign(p, NEW_COLON2($1, $3, &loc), $4, $6, $5, &@$);
/*% %*/
- /*% ripper: opassign!(const_path_field!($1, $3), $4, $5) %*/
+ /*% ripper: opassign!(const_path_field!($1, $3), $4, $6) %*/
}
- | tCOLON3 tCONSTANT tOP_ASGN arg_rhs
+ | tCOLON3 tCONSTANT tOP_ASGN shareable arg_rhs
{
/*%%%*/
- $$ = new_const_op_assign(p, NEW_COLON3($2, &@$), $3, $4, &@$);
+ $$ = new_const_op_assign(p, NEW_COLON3($2, &@$), $3, $5, $4, &@$);
/*% %*/
- /*% ripper: opassign!(top_const_field!($2), $3, $4) %*/
+ /*% ripper: opassign!(top_const_field!($2), $3, $5) %*/
}
- | backref tOP_ASGN arg_rhs
+ | backref tOP_ASGN shareable arg_rhs
{
/*%%%*/
rb_backref_error(p, $1);
$$ = NEW_BEGIN(0, &@$);
/*% %*/
- /*% ripper[error]: assign_error!(opassign!(var_field(p, $1), $2, $3)) %*/
+ /*% ripper[error]: assign_error!(opassign!(var_field(p, $1), $2, $4)) %*/
}
| arg tDOT2 arg
{
@@ -2550,6 +2551,16 @@ rel_expr : arg relop arg %prec '>'
}
;
+shareable : tSP
+ {
+ $$ = p->ctxt.shareable_constant_value;
+ }
+ | none
+ {
+ $$ = p->ctxt.shareable_constant_value;
+ }
+ ;
+
arg_value : arg
{
value_expr($1);
@@ -3055,10 +3066,10 @@ primary : literal
m->nd_next = $2;
break;
case NODE_MASGN: /* e.each {|*internal_var| a, b, c = (internal_var.length == 1 && Array === (tmp = internal_var[0]) ? tmp : internal_var); ... } */
- m->nd_next = node_assign(p, $2, NEW_FOR_MASGN(internal_var, &@2), &@2);
+ m->nd_next = node_assign(p, $2, NEW_FOR_MASGN(internal_var, &@2), 0, &@2);
break;
default: /* e.each {|*internal_var| @a, B, c[1], d.attr = internal_val; ... } */
- m->nd_next = node_assign(p, NEW_MASGN(NEW_LIST($2, &@2), 0, &@2), internal_var, &@2);
+ m->nd_next = node_assign(p, NEW_MASGN(NEW_LIST($2, &@2), 0, &@2), internal_var, 0, &@2);
}
/* {|*internal_id| <m> = internal_id; ... } */
args = new_args(p, m, 0, id, 0, new_args_tail(p, 0, 0, 0, &@2), &@2);
@@ -4458,7 +4469,7 @@ opt_rescue : k_rescue exc_list exc_var then
{
/*%%%*/
$$ = NEW_RESBODY($2,
- $3 ? block_append(p, node_assign(p, $3, NEW_ERRINFO(&@3), &@3), $5) : $5,
+ $3 ? block_append(p, node_assign(p, $3, NEW_ERRINFO(&@3), 0, &@3), $5) : $5,
$6, &@$);
fixpos($$, $2?$2:$5);
/*% %*/
@@ -10928,9 +10939,9 @@ mark_lvar_used(struct parser_params *p, NODE *rhs)
extern VALUE rb_mRubyVMFrozenCore;
static NODE *
-shareable_constant_value(struct parser_params *p, NODE *value, const YYLTYPE *loc)
+shareable_constant_value(struct parser_params *p, NODE *value, int shareable, const YYLTYPE *loc)
{
- if (p->ctxt.shareable_constant_value) {
+ if (shareable) {
NODE *fcore = NEW_LIT(rb_mRubyVMFrozenCore, loc);
value = NEW_CALL(fcore, rb_intern("make_shareable"),
NEW_LIST(value, loc), loc);
@@ -10939,13 +10950,13 @@ shareable_constant_value(struct parser_params *p, NODE *value, const YYLTYPE *lo
}
static NODE *
-node_assign(struct parser_params *p, NODE *lhs, NODE *rhs, const YYLTYPE *loc)
+node_assign(struct parser_params *p, NODE *lhs, NODE *rhs, int shareable, const YYLTYPE *loc)
{
if (!lhs) return 0;
switch (nd_type(lhs)) {
case NODE_CDECL:
- rhs = shareable_constant_value(p, rhs, loc);
+ rhs = shareable_constant_value(p, rhs, shareable, loc);
/* fallthru */
case NODE_GASGN:
@@ -11869,27 +11880,26 @@ new_unique_key_hash(struct parser_params *p, NODE *hash, const YYLTYPE *loc)
#ifndef RIPPER
static NODE *
-new_op_assign(struct parser_params *p, NODE *lhs, ID op, NODE *rhs, const YYLTYPE *loc)
+new_op_assign(struct parser_params *p, NODE *lhs, ID op, NODE *rhs, int shareable, const YYLTYPE *loc)
{
NODE *asgn;
if (lhs) {
ID vid = lhs->nd_vid;
YYLTYPE lhs_loc = lhs->nd_loc;
- bool shareable = false;
- switch (nd_type(lhs)) {
- case NODE_CDECL:
- case NODE_COLON2:
- case NODE_COLON3:
- shareable = true;
- break;
- default:
- break;
+ if (shareable) {
+ switch (nd_type(lhs)) {
+ case NODE_CDECL:
+ case NODE_COLON2:
+ case NODE_COLON3:
+ break;
+ default:
+ shareable = 0;
+ break;
+ }
}
if (op == tOROP) {
- if (shareable) {
- rhs = shareable_constant_value(p, rhs, &rhs->nd_loc);
- }
+ rhs = shareable_constant_value(p, rhs, shareable, &rhs->nd_loc);
lhs->nd_value = rhs;
nd_set_loc(lhs, loc);
asgn = NEW_OP_ASGN_OR(gettable(p, vid, &lhs_loc), lhs, loc);
@@ -11904,7 +11914,7 @@ new_op_assign(struct parser_params *p, NODE *lhs, ID op, NODE *rhs, const YYLTYP
}
else if (op == tANDOP) {
if (shareable) {
- rhs = shareable_constant_value(p, rhs, &rhs->nd_loc);
+ rhs = shareable_constant_value(p, rhs, shareable, &rhs->nd_loc);
}
lhs->nd_value = rhs;
nd_set_loc(lhs, loc);
@@ -11914,7 +11924,7 @@ new_op_assign(struct parser_params *p, NODE *lhs, ID op, NODE *rhs, const YYLTYP
asgn = lhs;
rhs = NEW_CALL(gettable(p, vid, &lhs_loc), op, NEW_LIST(rhs, &rhs->nd_loc), loc);
if (shareable) {
- rhs = shareable_constant_value(p, rhs, &rhs->nd_loc);
+ rhs = shareable_constant_value(p, rhs, shareable, &rhs->nd_loc);
}
asgn->nd_value = rhs;
nd_set_loc(asgn, loc);
@@ -11956,12 +11966,12 @@ new_attr_op_assign(struct parser_params *p, NODE *lhs,
}
static NODE *
-new_const_op_assign(struct parser_params *p, NODE *lhs, ID op, NODE *rhs, const YYLTYPE *loc)
+new_const_op_assign(struct parser_params *p, NODE *lhs, ID op, NODE *rhs, int shareable, const YYLTYPE *loc)
{
NODE *asgn;
if (lhs) {
- rhs = shareable_constant_value(p, rhs, loc);
+ rhs = shareable_constant_value(p, rhs, shareable, loc);
asgn = NEW_OP_CDECL(lhs, op, rhs, loc);
}
else {
@@ -12486,7 +12496,7 @@ reg_named_capture_assign_iter(const OnigUChar *name, const OnigUChar *name_end,
return ST_CONTINUE;
var = intern_cstr(s, len, enc);
- node = node_assign(p, assignable(p, var, 0, arg->loc), NEW_LIT(ID2SYM(var), arg->loc), arg->loc);
+ node = node_assign(p, assignable(p, var, 0, arg->loc), NEW_LIT(ID2SYM(var), arg->loc), 0, arg->loc);
succ = arg->succ_block;
if (!succ) succ = NEW_BEGIN(0, arg->loc);
succ = block_append(p, succ, node);