* tools/uniClass.tcl: added comments to output format and the

	script for clarification.

	* tools/uniParse.tcl: corrected filename output and GetDelta macro
	to use 'info' as param (was 'infO')

1 files changed, 49 insertions, 7 deletions

diff --git a/tools/uniClass.tcl b/tools/uniClass.tcl
index 2820ba4..442fc2a 100644
--- a/tools/uniClass.tcl
+++ b/tools/uniClass.tcl
@@ -1,3 +1,17 @@
+#!/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
 
@@ -33,7 +47,7 @@ proc genTable {type} {
     set chars "    "
     set numchars 0
 
-    for {set i 0} {$i < 0x10000} {incr i} {
+    for {set i 0} {$i <= 0xFFFF} {incr i} {
 	if {[string is $type [format %c $i]]} {
 	    if {$i == ($last + 1)} {
 		set last $i
@@ -47,15 +61,43 @@ proc genTable {type} {
 	}
     }
     emitRange $first $last
-    
-    puts "static crange ${type}RangeTable\[\] = {\n$ranges\n};\n"
-    puts "#define NUM_[string toupper $type]_RANGE (sizeof(${type}RangeTable)/sizeof(crange))\n"
-    puts "static chr ${type}CharTable\[\] = {\n$chars\n};\n"
-    puts "#define NUM_[string toupper $type]_CHAR (sizeof(${type}CharTable)/sizeof(chr))\n"
+
+    set ranges [string trimright $ranges "\t\n ,"]
+    set chars  [string trimright $chars "\t\n ,"]
+    if {$ranges != ""} {
+	puts "static 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 != ""} {
+	puts "static chr ${type}CharTable\[\] = {\n$chars\n};\n"
+	puts "#define NUM_[string toupper $type]_CHAR (sizeof(${type}CharTable)/sizeof(chr))\n"
+    } else {
+	puts "/* no singletons of $type characters */\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 {alpha digit punct space lower upper graph } {
+foreach {type desc} {
+    alpha "alphabetic 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 "/* Unicode: $desc */\n"
     genTable $type
 }
 
+puts "/*
+ *	End of auto-generated Unicode character ranges declarations.
+ */"