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* parse.y (arg_concat_gen, arg_append_gen): optimize for array concat.

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git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@15449 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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nobu 2008-02-12 16:26:47 +00:00
parent 8a87655162
commit 813fcf768e
2 changed files with 22 additions and 4 deletions
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4
ChangeLog
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@ -1,4 +1,6 @@
Wed Feb 13 01:23:00 2008 Nobuyoshi Nakada <nobu@ruby-lang.org> Wed Feb 13 01:26:45 2008 Nobuyoshi Nakada <nobu@ruby-lang.org>
* parse.y (arg_concat_gen, arg_append_gen): optimize for array concat.
* parse.y (arg_add_gen): removed since identical to arg_append_gen. * parse.y (arg_add_gen): removed since identical to arg_append_gen.

22
parse.y
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@ -7794,9 +7794,19 @@ static NODE *
arg_concat_gen(struct parser_params *parser, NODE *node1, NODE *node2) arg_concat_gen(struct parser_params *parser, NODE *node1, NODE *node2)
{ {
if (!node2) return node1; if (!node2) return node1;
if (nd_type(node1) == NODE_BLOCK_PASS) { switch (nd_type(node1)) {
case NODE_BLOCK_PASS:
node1->nd_iter = arg_concat(node1->nd_iter, node2); node1->nd_iter = arg_concat(node1->nd_iter, node2);
return node1; return node1;
case NODE_ARGSPUSH:
if (nd_type(node2) != NODE_ARRAY) break;
node1->nd_body = list_concat(NEW_LIST(node1->nd_body), node2);
nd_set_type(node1, NODE_ARGSCAT);
return node1;
case NODE_ARGSCAT:
if (nd_type(node2) != NODE_ARRAY) break;
node1->nd_body = list_concat(node1->nd_body, node2);
return node1;
} }
return NEW_ARGSCAT(node1, node2); return NEW_ARGSCAT(node1, node2);
} }
@ -7811,9 +7821,15 @@ arg_append_gen(struct parser_params *parser, NODE *node1, NODE *node2)
case NODE_BLOCK_PASS: case NODE_BLOCK_PASS:
node1->nd_head = arg_append(node1->nd_head, node2); node1->nd_head = arg_append(node1->nd_head, node2);
return node1; return node1;
default: case NODE_ARGSPUSH:
return NEW_ARGSPUSH(node1, node2); node1->nd_body = list_append(NEW_LIST(node1->nd_body), node2);
nd_set_type(node1, NODE_ARGSCAT);
return node1;
case NODE_ARGSCAT:
node1->nd_body = list_append(node1->nd_body, node2);
return node1;
} }
return NEW_ARGSPUSH(node1, node2);
} }
static NODE * static NODE *