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node.c: compress logop sequence

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* node.c (dump_node): compress sequence of same logical binary
  operators, NODE_AND/NODE_OR.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@57573 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
nobu 2017-02-08 01:18:56 +00:00
parent 026ded9384
commit d1b386a224
1 changed files with 9 additions and 2 deletions
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11
node.c
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@ -158,6 +158,7 @@ dump_node(VALUE buf, VALUE indent, int comment, NODE *node)
int field_flag;
int i;
const char *next_indent = default_indent;
enum node_type type;
if (!node) {
D_NULL_NODE;
@ -166,7 +167,8 @@ dump_node(VALUE buf, VALUE indent, int comment, NODE *node)
D_NODE_HEADER(node);
switch (nd_type(node)) {
type = nd_type(node);
switch (type) {
case NODE_BLOCK:
ANN("statement sequence");
ANN("format: [nd_head]; ...; [nd_next]");
@ -334,7 +336,12 @@ dump_node(VALUE buf, VALUE indent, int comment, NODE *node)
ANN("format: [nd_1st] || [nd_2nd]");
ANN("example: foo || bar");
andor:
F_NODE(nd_1st, "left expr");
while (1) {
F_NODE(nd_1st, "left expr");
if (!node->nd_2nd || nd_type(node->nd_2nd) != type)
break;
node = node->nd_2nd;
}
LAST_NODE;
F_NODE(nd_2nd, "right expr");
break;