su4sml/src/codegen/gcg_helper.sml

89 lines
3.5 KiB
Standard ML

(*****************************************************************************
* su4sml --- an SML repository for managing (Secure)UML/OCL models
* http://projects.brucker.ch/su4sml/
*
* gcg_helper.sml --- helper library for su4sml-gcg
* This file is part of su4sml.
*
* Copyright (c) 2005-2007, ETH Zurich, Switzerland
*
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials provided
* with the distribution.
*
* * Neither the name of the copyright holders nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
******************************************************************************)
(* $Id$ *)
structure Gcg_Helper =
struct
fun fieldSplit d s = String.fields (fn c => (c = d)) s
fun tokenSplit d s = String.tokens (fn c => (c = d)) s
local
fun endsWithEscape "" = false
| endsWithEscape s = (substring(s,size(s)-1,1) = "\\")
in
fun joinEscapeSplitted d [] = []
| joinEscapeSplitted d [l] = [l]
| joinEscapeSplitted d (h::s::t) = if endsWithEscape(h)
then (substring(h,0,size(h)-1)^d^s)::t
else h::(joinEscapeSplitted d (s::t))
end
(* FIXME: move to library.sml? *)
val curry = fn f => fn x => fn y => f (x, y)
val uncurry = fn f => fn (x, y) => f x y
(* FIXME: move to ListEq (and rename to isPrefix...) (is this even used somewhere?) *)
fun isSuffix [] _ = true
| isSuffix _ [] = false
| isSuffix (h1::t1) (h2::t2) = (h1=h2) andalso (isSuffix t1 t2)
(* FIXME: cleanup *)
fun assureDir file =
let val dirList = rev (tl (rev (String.tokens (fn c => c = #"/") file)))
fun assert1 "" d = ((if (OS.FileSys.isDir d) then () else ())
handle SysErr => (OS.FileSys.mkDir d) )
| assert1 prefix d = (if (OS.FileSys.isDir (prefix^"/"^d)) then () else ())
handle SysErr => (OS.FileSys.mkDir (prefix^"/"^d))
fun assertDList _ [] = ()
| assertDList prefix [d] = assert1 prefix d
| assertDList "" (h::t) = (assert1 "" h ; assertDList h t)
| assertDList prefix (h::t) = (assert1 prefix h;
assertDList (prefix^"/"^h) t )
in
assertDList "" dirList
end
end