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[ruby/yarp] Less const_get

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Right now whenever you go to create a Ruby object from a C struct
we dynamically look up the constants. This is not great for
performance. Now instead we template out a constant for each VALUE
that holds the classes, and then directly reference it.

https://github.com/ruby/yarp/commit/f4756cda77
This commit is contained in:
Kevin Newton 2023-08-07 13:11:59 -04:00 committed by Takashi Kokubun
parent 96aebb4265
commit 9b952670bb
Notes: git 2023-08-17 00:48:02 +00:00 
Merged: https://github.com/ruby/ruby/pull/8226
2 changed files with 5 additions and 1 deletions
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5
yarp/extension.c
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@ -4,6 +4,7 @@
// All non-trivial logic should be in librubyparser so it can be shared its the various callers.
VALUE rb_cYARP;
VALUE rb_cYARPNode;
VALUE rb_cYARPSource;
VALUE rb_cYARPToken;
VALUE rb_cYARPLocation;
@ -490,6 +491,7 @@ Init_yarp(void) {
// Grab up references to all of the constants that we're going to need to
// reference throughout this extension.
rb_cYARP = rb_define_module("YARP");
rb_cYARPNode = rb_define_class_under(rb_cYARP, "Node", rb_cObject);
rb_cYARPSource = rb_define_class_under(rb_cYARP, "Source", rb_cObject);
rb_cYARPToken = rb_define_class_under(rb_cYARP, "Token", rb_cObject);
rb_cYARPLocation = rb_define_class_under(rb_cYARP, "Location", rb_cObject);
@ -520,6 +522,7 @@ Init_yarp(void) {
rb_define_singleton_method(rb_cYARPDebug, "memsize", memsize, 1);
rb_define_singleton_method(rb_cYARPDebug, "profile_file", profile_file, 1);
// Next, initialize the pack API.
// Next, initialize the other APIs.
Init_yarp_api_node();
Init_yarp_pack();
}

1
yarp/extension.h
View File

@ -11,6 +11,7 @@ VALUE yp_source_new(yp_parser_t *parser);
VALUE yp_token_new(yp_parser_t *parser, yp_token_t *token, rb_encoding *encoding, VALUE source);
VALUE yp_ast_new(yp_parser_t *parser, yp_node_t *node, rb_encoding *encoding);
void Init_yarp_api_node(void);
void Init_yarp_pack(void);
YP_EXPORTED_FUNCTION void Init_yarp(void);