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# fixtommath.tcl --
#
# Changes to 'tommath.h' to make it conform with Tcl's linking
# conventions.
#
# Copyright (c) 2005 by Kevin B. Kenny. All rights reserved.
#
# See the file "license.terms" for information on usage and redistribution
# of this file, and for a DISCLAIMER OF ALL WARRANTIES.
#
# RCS: @(#) $Id: fix_tommath_h.tcl,v 1.8 2010/07/01 21:28:15 nijtmans Exp $
#
#----------------------------------------------------------------------
set f [open [lindex $argv 0] r]
set data [read $f]
close $f
set eat_endif 0
set eat_semi 0
set def_count 0
foreach line [split $data \n] {
if {!$eat_semi && !$eat_endif} {
switch -regexp -- $line {
{#define BN_H_} {
puts $line
puts {}
puts "\#include \"tclInt.h\""
puts "\#include \"tclTomMathDecls.h\""
puts "\#ifndef MODULE_SCOPE"
puts "\#define MODULE_SCOPE extern"
puts "\#endif"
}
{typedef\s+unsigned long\s+mp_digit;} {
# change the second 'typedef unsigned long mp
incr def_count
puts "\#ifndef MP_DIGIT_DECLARED"
if {$def_count == 2} {
puts [string map {long int} $line]
} else {
puts $line
}
puts "\#define MP_DIGIT_DECLARED"
puts "\#endif"
}
{typedef.*mp_digit;} {
puts "\#ifndef MP_DIGIT_DECLARED"
puts $line
puts "\#define MP_DIGIT_DECLARED"
puts "\#endif"
}
{typedef struct} {
puts "\#ifndef MP_INT_DECLARED"
puts "\#define MP_INT_DECLARED"
puts "typedef struct mp_int mp_int;"
puts "\#endif"
puts "struct mp_int \{"
}
\}\ mp_int\; {
puts "\};"
}
{^(char|int|void)} {
puts "/*"
puts $line
set eat_semi 1
set after_semi "*/"
}
{^extern (int|const)} {
puts "\#if defined(BUILD_tcl) || !defined(_WIN32)"
puts [regsub {^extern} $line "MODULE_SCOPE"]
set eat_semi 1
set after_semi "\#endif"
}
{define heap macros} {
puts $line
puts "\#if 0 /* these are macros in tclTomMathDecls.h */"
set eat_endif 1
}
{__x86_64__} {
puts "[string map {__x86_64__ NEVER} $line]\
/* 128-bit ints fail in too many places */"
}
{#include} {
# remove all includes
}
default {
puts $line
}
}
} else {
puts $line
}
if {$eat_semi} {
if {[regexp {; *$} $line]} {
puts $after_semi
set eat_semi 0
}
}
if {$eat_endif} {
if {[regexp {^\#endif} $line]} {
puts "\#endif"
set eat_endif 0
}
}
}
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