parse.y: should allow newline after `...`.
MODIFY
include/mruby/compile.h
include/mruby/compile.h
@@ -56,7 +56,7 @@ enum mrb_lex_state_enum {
EXPR_ENDFN, /* ditto, and unbound braces. */
EXPR_ARG, /* newline significant, +/- is an operator. */
EXPR_CMDARG, /* newline significant, +/- is an operator. */
- EXPR_MID, /* newline significant, +/- is an operator. */
+ EXPR_MID, /* newline significant, +/- is a sign. */
EXPR_FNAME, /* ignore newline, no reserved words. */
EXPR_DOT, /* right after '.' or '::', no reserved words. */
EXPR_CLASS, /* immediate after 'class', no here document. */

MODIFY
mrbgems/mruby-compiler/core/parse.y
mrbgems/mruby-compiler/core/parse.y
@@ -5693,7 +5693,7 @@ parser_yylex(parser_state *p)
case '.':
{
int is_beg = IS_BEG();
- p->lstate = EXPR_BEG;
+ p->lstate = EXPR_MID;
if ((c = nextc(p)) == '.') {
if ((c = nextc(p)) == '.') {
return is_beg ? tBDOT3 : tDOT3;
@@ -5702,6 +5702,7 @@ parser_yylex(parser_state *p)
return is_beg ? tBDOT2 : tDOT2;
}
pushback(p, c);
+ p->lstate = EXPR_BEG;
if (c >= 0 && ISDIGIT(c)) {
yyerror(p, "no .<digit> floating literal anymore; put 0 before dot");
}

MODIFY
mrbgems/mruby-compiler/core/y.tab.c
mrbgems/mruby-compiler/core/y.tab.c
@@ -11916,7 +11916,7 @@ parser_yylex(parser_state *p)
case '.':
{
int is_beg = IS_BEG();
- p->lstate = EXPR_BEG;
+ p->lstate = EXPR_MID;
if ((c = nextc(p)) == '.') {
if ((c = nextc(p)) == '.') {
return is_beg ? tBDOT3 : tDOT3;
@@ -11925,6 +11925,7 @@ parser_yylex(parser_state *p)
return is_beg ? tBDOT2 : tDOT2;
}
pushback(p, c);
+ p->lstate = EXPR_BEG;
if (c >= 0 && ISDIGIT(c)) {
yyerror(p, "no .<digit> floating literal anymore; put 0 before dot");
}

parse.y: should allow newline after `...`.