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transform_mjit_header.rb: restrict transformation

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to whitelisted patterns. This fix is for NetBSD.

[Bug #14439]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@62235 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
k0kubun 2018-02-05 15:39:55 +00:00
parent da79033a30
commit e23aefe288
1 changed files with 6 additions and 0 deletions
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6
tool/transform_mjit_header.rb
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@ -11,6 +11,7 @@ module MJITHeader
ATTR_VALUE_REGEXP = /[^()]|\([^()]*\)/
ATTR_REGEXP = /__attribute__\s*\(\((#{ATTR_VALUE_REGEXP})*\)\)/
FUNC_HEADER_REGEXP = /\A(\s*#{ATTR_REGEXP})*[^\[{(]*\((#{ATTR_REGEXP}|[^()])*\)(\s*#{ATTR_REGEXP})*\s*/
TARGET_NAME_REGEXP = /\A(rb|ruby|vm|insn|attr)_/
# For MinGW's ras.h. Those macros have its name in its definition and can't be preprocessed multiple times.
RECURSIVE_MACROS = %w[
@ -167,6 +168,11 @@ while (decl_range = MJITHeader.find_decl(code, stop_pos))
code[decl_range] = "static inline #{decl}"
elsif (match = /#{MJITHeader::FUNC_HEADER_REGEXP}{/.match(decl)) && (header = match[0]) !~ /static/
unless decl_name.match(MJITHeader::TARGET_NAME_REGEXP)
puts "#{PROGRAM}: SKIPPED to transform #{decl_name}"
next
end
extern_names << decl_name
decl[match.begin(0)...match.end(0)] = ''