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parse.y: fix chained assignments

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fix syntax errors with chained assignment with op assign.
reported [Bug:12669] in bugs.ruby-lang.org fixed in CRuby 2.4.
This commit is contained in:
Nobuyoshi Nakada
2016-08-13 13:56:14 +09:00
parent bee34fb9bd
commit bdd7e2bc8c
1 changed files with 19 additions and 19 deletions
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mrbgems/mruby-compiler/core/parse.y
+19 -19
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@@ -1318,6 +1318,25 @@ stmt : keyword_alias fsym {p->lstate = EXPR_FNAME;} fsym
{
$$ = new_masgn(p, $1, $3);
}
| lhs '=' mrhs
{
$$ = new_asgn(p, $1, new_array(p, $3));
}
| mlhs '=' arg_value
{
$$ = new_masgn(p, $1, $3);
}
| mlhs '=' mrhs
{
$$ = new_masgn(p, $1, new_array(p, $3));
}
| expr
;
command_asgn : lhs '=' command_rhs
{
$$ = new_asgn(p, $1, $3);
}
| var_lhs tOP_ASGN command_rhs
{
$$ = new_op_asgn(p, $1, $2, $3);
@@ -1348,25 +1367,6 @@ stmt : keyword_alias fsym {p->lstate = EXPR_FNAME;} fsym
backref_error(p, $1);
$$ = new_begin(p, 0);
}
| lhs '=' mrhs
{
$$ = new_asgn(p, $1, new_array(p, $3));
}
| mlhs '=' arg_value
{
$$ = new_masgn(p, $1, $3);
}
| mlhs '=' mrhs
{
$$ = new_masgn(p, $1, new_array(p, $3));
}
| expr
;
command_asgn : lhs '=' command_rhs
{
$$ = new_asgn(p, $1, $3);
}
;
command_rhs : command_call %prec tOP_ASGN