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-rw-r--r--parse.y18
1 files changed, 16 insertions, 2 deletions
diff --git a/parse.y b/parse.y
index 45c3e648e9..94c9abb6af 100644
--- a/parse.y
+++ b/parse.y
@@ -1760,7 +1760,14 @@ arg : lhs '=' arg
/*%%%*/
value_expr($1);
value_expr($3);
- $$ = NEW_DOT2($1, $3);
+ if (nd_type($1) == NODE_LIT && FIXNUM_P($1->nd_lit) &&
+ nd_type($3) == NODE_LIT && FIXNUM_P($3->nd_lit)) {
+ $1->nd_lit = rb_range_new($1->nd_lit, $3->nd_lit, Qfalse);
+ $$ = $1;
+ }
+ else {
+ $$ = NEW_DOT2($1, $3);
+ }
/*%
$$ = dispatch2(dot2, $1, $3);
%*/
@@ -1770,7 +1777,14 @@ arg : lhs '=' arg
/*%%%*/
value_expr($1);
value_expr($3);
- $$ = NEW_DOT3($1, $3);
+ if (nd_type($1) == NODE_LIT && FIXNUM_P($1->nd_lit) &&
+ nd_type($3) == NODE_LIT && FIXNUM_P($3->nd_lit)) {
+ $1->nd_lit = rb_range_new($1->nd_lit, $3->nd_lit, Qtrue);
+ $$ = $1;
+ }
+ else {
+ $$ = NEW_DOT3($1, $3);
+ }
/*%
$$ = dispatch2(dot3, $1, $3);
%*/