jruby/bin/patch_parser.rb at test_github_468 · MSNexploder/jruby · GitHub

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def get_numbers_until_end_block(table)

while line = gets

break if /\};/ =~ line

next if /^\/\// =~ line

line.split(/,/).each do |number|

n = number.strip

table.push(n.to_i) unless n == ""

end

table

end

# We use this script to generate our normal parser and the parser for

# the ripper extension.

if ARGV[0] =~ /Ripper/

package = 'org.jruby.ext.ripper'

else

package = 'org.jruby.parser'

end

while gets

break if /protected static final short\[\] yyTable = \{/ =~ $_

print $_

end

# A little hacky...gets before ARGV to shift off and open file

yytable_prefix = ARGV.shift || ''

table4 = get_numbers_until_end_block([])

puts " protected static final short[] yyTable = #{yytable_prefix}YyTables.yyTable();"

while gets

break if /protected static final short\[\] yyCheck = \{/ =~ $_

print $_

end

check4 = get_numbers_until_end_block([])

puts " protected static final short[] yyCheck = #{yytable_prefix}YyTables.yyCheck();"

while gets

print $_

end

table2 = table4.slice!(0, table4.size / 2)

table3 = table4.slice!(0, table4.size / 2)

table1 = table2.slice!(0, table2.size / 2)

check2 = check4.slice!(0, check4.size / 2)

check3 = check4.slice!(0, check4.size / 2)

check1 = check2.slice!(0, check2.size / 2)

def printShortArray(table, f)

table.each_with_index { |e, i|

f.print "\n " if (i % 10 == 0)

begin

f.printf "%4d, ", e

rescue ArgumentError => a

$stderr.puts "Trouble printing '#{e}' on index #{i}"

end

}

end

def printShortMethod(f, table, name)

f.puts " private static final short[] yy#{name}() {"

f.puts " return new short[] {"

printShortArray table, f

f.puts

f.puts " };"

f.puts " }"

f.puts

end

open("#{yytable_prefix}YyTables.java", "w") { |f|

f.print <<END

package #{package};

public class #{yytable_prefix}YyTables {

private static short[] combine(short[] t1, short[] t2,

short[] t3, short[] t4) {

short[] t = new short[t1.length + t2.length + t3.length + t4.length];

int index = 0;

System.arraycopy(t1, 0, t, index, t1.length);

index += t1.length;

System.arraycopy(t2, 0, t, index, t2.length);

index += t2.length;

System.arraycopy(t3, 0, t, index, t3.length);

index += t3.length;

System.arraycopy(t4, 0, t, index, t4.length);

return t;

}

public static final short[] yyTable() {

return combine(yyTable1(), yyTable2(), yyTable3(), yyTable4());

}

public static final short[] yyCheck() {

return combine(yyCheck1(), yyCheck2(), yyCheck3(), yyCheck4());

}

END

printShortMethod(f, table1, "Table1")

printShortMethod(f, table2, "Table2")

printShortMethod(f, table3, "Table3")

printShortMethod(f, table4, "Table4")

printShortMethod(f, check1, "Check1")

printShortMethod(f, check2, "Check2")

printShortMethod(f, check3, "Check3")

printShortMethod(f, check4, "Check4")

f.puts "}"

}

jruby/bin/patch_parser.rb at test_github_468 · MSNexploder/jruby · GitHub

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