archive/ruby
1
0
Fork 0
mirror of https://github.com/ruby/ruby.git synced 2025-08-15 05:29:10 +02:00
Code Issues Projects Releases Packages Wiki Activity Actions 4

Omit local variable definitions only used with LOCAL_PTR()

Browse source
This commit is contained in:
Nobuyoshi Nakada 2025-07-17 19:42:41 +09:00
parent 10a2688fc4
commit bb8924240d
No known key found for this signature in database
GPG key ID: 3582D74E1FEE4465
1 changed files with 8 additions and 3 deletions
Download patch file Download diff file Expand all files Collapse all files

11
tool/mk_builtin_loader.rb
View file

@ -282,16 +282,21 @@ def generate_cexpr(ofile, lineno, line_file, body_lineno, text, locals, func_nam
# Avoid generating fetches of lvars we don't need. This is imperfect as it
# will match text inside strings or other false positives.
local_candidates = text.scan(/[a-zA-Z_][a-zA-Z0-9_]*/)
local_ptrs = []
local_candidates = text.gsub(/\bLOCAL_PTR\(\K[a-zA-Z_][a-zA-Z0-9_]*(?=\))/) {
local_ptrs << $&; ''
}.scan(/[a-zA-Z_][a-zA-Z0-9_]*/)
f.puts '{'
lineno += 1
# locals is nil outside methods
locals&.reverse_each&.with_index{|param, i|
next unless Symbol === param
next unless local_candidates.include?(param.to_s)
param = param.to_s
lvar = local_candidates.include?(param)
next unless lvar or local_ptrs.include?(param)
f.puts "VALUE *const #{param}__ptr = (VALUE *)&ec->cfp->ep[#{-3 - i}];"
f.puts "MAYBE_UNUSED(const VALUE) #{param} = *#{param}__ptr;"
f.puts "MAYBE_UNUSED(const VALUE) #{param} = *#{param}__ptr;" if lvar
lineno += 1
}
f.puts "#line #{body_lineno} \"#{line_file}\""