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* tool/transcode-tblgen.rb: make offsets arrays into single array.

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git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@19032 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
akr 2008-09-01 13:21:06 +00:00
parent 03ec9b1aac
commit 339dfc32a7
2 changed files with 20 additions and 8 deletions
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4
ChangeLog
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@ -1,3 +1,7 @@
Mon Sep 1 22:20:22 2008 Tanaka Akira <akr@fsij.org>
* tool/transcode-tblgen.rb: make offsets arrays into single array.
Mon Sep 1 21:46:18 2008 Tanaka Akira <akr@fsij.org>
* tool/transcode-tblgen.rb: gather offsets array at top.

24
tool/transcode-tblgen.rb
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@ -236,7 +236,7 @@ class ActionMap
def format_offsets(min, max, offsets)
offsets = offsets[min..max]
code = "{ %d, %d,\n" % [min, max]
code = "%d, %d,\n" % [min, max]
0.step(offsets.length-1,16) {|i|
code << " "
code << offsets[i,8].map {|off| "%3d," % off.to_s }.join('')
@ -246,7 +246,6 @@ class ActionMap
end
code << "\n"
}
code << '}'
code
end
@ -322,15 +321,24 @@ class ActionMap
offsets_key = [min, max, offsets[min..max]]
if n = OffsetsMemo[offsets_key]
offsets_name = n
offsets_code = ''
else
offsets_name = "#{name}_offsets"
offsets_code = <<"End"
static const unsigned char
#{offsets_name}[#{2+max-min+1}] = #{format_offsets(min,max,offsets)};
End
OffsetsMemo[offsets_key] = offsets_name
bytes_code << offsets_code
if bytes_code.empty?
bytes_code << <<"End"
static const unsigned char
byte_array[0] = {
};
End
end
size = bytes_code[/\[\d+\]/][1...-1].to_i
bytes_code.sub!(/^(\};\n\z)/) {
"\#define #{offsets_name} (byte_array+#{size})\n" +
format_offsets(min,max,offsets) + "\n" +
$1
}
size += 2+max-min+1
bytes_code.sub!(/\[\d+\]/) { "[#{size}]" }
end
if n = InfosMemo[infos]