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Merge pull request #4418 from dearblue/clean-duplicate

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Clean duplicate code
This commit is contained in:
Yukihiro "Matz" Matsumoto
2019-05-04 00:15:56 +09:00
committed by GitHub
parent 8c8e6e25ad f5d5caaf82
commit a277a6e47d
1 changed files with 28 additions and 29 deletions
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mrbgems/mruby-compiler/core/parse.y
+28 -29
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@@ -913,40 +913,39 @@ concat_string(parser_state *p, node *a, node *b)
}
}
}
else if (string_node_p(b)) {
/* a == NODE_DSTR && b == NODE_STR */
node *c;
for (c = a; c->cdr != NULL; c = c->cdr) ;
if (string_node_p(c->car)) {
/* a->[..., NODE_STR] && b == NODE_STR */
composite_string_node(p, c->car->cdr, b->cdr);
cons_free(b);
return a;
}
push(a, b);
return a;
}
else {
/* a == NODE_DSTR && b == NODE_DSTR */
node *c, *d;
node *c; /* last node of a */
for (c = a; c->cdr != NULL; c = c->cdr) ;
if (string_node_p(c->car) && string_node_p(b->cdr->car)) {
/* a->[..., NODE_STR] && b->[NODE_STR, ...] */
d = b->cdr;
cons_free(b);
composite_string_node(p, c->car->cdr, d->car->cdr);
cons_free(d->car);
c->cdr = d->cdr;
cons_free(d);
if (string_node_p(b)) {
/* a == NODE_DSTR && b == NODE_STR */
if (string_node_p(c->car)) {
/* a->[..., NODE_STR] && b == NODE_STR */
composite_string_node(p, c->car->cdr, b->cdr);
cons_free(b);
return a;
}
push(a, b);
return a;
}
else {
c->cdr = b->cdr;
cons_free(b);
return a;
/* a == NODE_DSTR && b == NODE_DSTR */
if (string_node_p(c->car) && string_node_p(b->cdr->car)) {
/* a->[..., NODE_STR] && b->[NODE_STR, ...] */
node *d = b->cdr;
cons_free(b);
composite_string_node(p, c->car->cdr, d->car->cdr);
cons_free(d->car);
c->cdr = d->cdr;
cons_free(d);
return a;
}
else {
c->cdr = b->cdr;
cons_free(b);
return a;
}
}
}