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#!/bin/sh
# The next line is executed by /bin/sh, but not tcl \
exec tclsh "$0" ${1+"$@"}
#
# uniClass.tcl --
#
# Generates the character ranges and singletons that are used in
# generic/regc_locale.c for translation of character classes.
# This file must be generated using a tclsh that contains the
# correct corresponding tclUniData.c file (generated by uniParse.tcl)
# in order for the class ranges to match.
#
proc emitRange {first last} {
global ranges numranges chars numchars extchars extranges
if {$first < ($last-1)} {
if {!$extranges && ($first) > 0xffff} {
set extranges 1
set numranges 0
set ranges [string trimright $ranges " \n\r\t,"]
append ranges "\n#if MAX_UTF_CHAR > 4\n ,"
}
append ranges [format "{0x%x, 0x%x}, " \
$first $last]
if {[incr numranges] % 4 == 0} {
set ranges [string trimright $ranges]
append ranges "\n "
}
} else {
if {!$extchars && ($first) > 0xffff} {
set extchars 1
set numchars 0
set chars [string trimright $chars " \n\r\t,"]
append chars "\n#if MAX_UTF_CHAR > 4\n ,"
}
append chars [format "0x%x, " $first]
incr numchars
if {$numchars % 9 == 0} {
set chars [string trimright $chars]
append chars "\n "
}
if {$first != $last} {
append chars [format "0x%x, " $last]
incr numchars
if {$numchars % 9 == 0} {
append chars "\n "
}
}
}
}
proc genTable {type} {
global first last ranges numranges chars numchars extchars extranges
set first -2
set last -2
set ranges " "
set numranges 0
set chars " "
set numchars 0
set extchars 0
set extranges 0
for {set i 0} {$i <= 0x10ffff} {incr i} {
if {$i == 0xd800} {
# Skip surrogates
set i 0xdc00
}
if {[string is $type [format %c $i]]} {
if {$i == ($last + 1)} {
set last $i
} else {
if {$first > 0} {
emitRange $first $last
}
set first $i
set last $i
}
}
}
emitRange $first $last
set ranges [string trimright $ranges "\t\n ,"]
if {$extranges} {
append ranges "\n#endif"
}
set chars [string trimright $chars "\t\n ,"]
if {$extchars} {
append chars "\n#endif"
}
if {$ranges ne ""} {
puts "static const crange ${type}RangeTable\[\] = {\n$ranges\n};\n"
puts "#define NUM_[string toupper $type]_RANGE (sizeof(${type}RangeTable)/sizeof(crange))\n"
} else {
puts "/* no contiguous ranges of $type characters */\n"
}
if {$chars ne ""} {
puts "static const chr ${type}CharTable\[\] = {\n$chars\n};\n"
puts "#define NUM_[string toupper $type]_CHAR (sizeof(${type}CharTable)/sizeof(chr))\n"
} else {
puts "/*\n * no singletons of $type characters.\n */\n"
}
}
puts "/*
* Declarations of Unicode character ranges. This code
* is automatically generated by the tools/uniClass.tcl script
* and used in generic/regc_locale.c. Do not modify by hand.
*/
"
foreach {type desc} {
alpha "alphabetic characters"
control "control characters"
digit "decimal digit characters"
punct "punctuation characters"
space "white space characters"
lower "lowercase characters"
upper "uppercase characters"
graph "unicode print characters excluding space"
} {
puts "/*\n * Unicode: $desc.\n */\n"
genTable $type
}
puts "/*
* End of auto-generated Unicode character ranges declarations.
*/"
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