From 95beeda12defe36c4d4df42d3dee3bd753e19ff5 Mon Sep 17 00:00:00 2001 From: Adam Chlipala Date: Sat, 26 Jan 2008 15:29:09 -0500 Subject: Rename Laconic* modules to Source* --- src/source_print.sml | 147 +++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 147 insertions(+) create mode 100644 src/source_print.sml (limited to 'src/source_print.sml') diff --git a/src/source_print.sml b/src/source_print.sml new file mode 100644 index 00000000..704d07ec --- /dev/null +++ b/src/source_print.sml @@ -0,0 +1,147 @@ +(* Copyright (c) 2008, Adam Chlipala + * 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. + * - The names of contributors may not 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. + *) + +(* Pretty-printing Laconic/Web *) + +structure SourcePrint :> SOURCE_PRINT = struct + +open Print.PD +open Print + +open Source + +fun p_kind' par (k, _) = + case k of + KType => string "Type" + | KArrow (k1, k2) => parenIf par (box [p_kind' true k1, + space, + string "->", + space, + p_kind k2]) + | KName => string "Name" + | KRecord k => box [string "{", p_kind k, string "}"] + +and p_kind k = p_kind' false k + +fun p_explicitness e = + case e of + Explicit => string "::" + | Implicit => string ":::" + +fun p_con' par (c, _) = + case c of + CAnnot (c, k) => box [string "(", + p_con c, + space, + string "::", + space, + p_kind k, + string ")"] + + | TFun (t1, t2) => parenIf par (box [p_con' true t1, + space, + string "->", + space, + p_con t2]) + | TCFun (e, x, k, c) => parenIf par (box [string x, + space, + p_explicitness e, + space, + p_kind k, + space, + string "->", + space, + p_con c]) + | TRecord (CRecord xcs, _) => box [string "{", + p_list (fn (x, c) => + box [p_con x, + space, + string ":", + space, + p_con c]) xcs, + string "}"] + | TRecord c => box [string "$", + p_con' true c] + + | CVar s => string s + | CApp (c1, c2) => parenIf par (box [p_con c1, + space, + p_con' true c2]) + | CAbs (e, x, k, c) => parenIf par (box [string "fn", + space, + string x, + space, + p_explicitness e, + space, + p_kind k, + space, + string "=>", + space, + p_con c]) + + | CName s => box [string "#", string s] + + | CRecord xcs => box [string "[", + p_list (fn (x, c) => + box [p_con x, + space, + string "=", + space, + p_con c]) xcs, + string "]"] + | CConcat (c1, c2) => parenIf par (box [p_con' true c1, + space, + string "++", + space, + p_con c2]) + +and p_con c = p_con' false c + +fun p_decl ((d, _) : decl) = + case d of + DCon (x, NONE, c) => box [string "con", + space, + string x, + space, + string "=", + space, + p_con c] + | DCon (x, SOME k, c) => box [string "con", + space, + string x, + space, + string "::", + space, + p_kind k, + space, + string "=", + space, + p_con c] + +val p_file = p_list_sep newline p_decl + +end -- cgit v1.2.3