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authorGravatar Adam Chlipala <adamc@hcoop.net>2008-01-26 15:29:09 -0500
committerGravatar Adam Chlipala <adamc@hcoop.net>2008-01-26 15:29:09 -0500
commit95beeda12defe36c4d4df42d3dee3bd753e19ff5 (patch)
tree6c9203f55fc835de1bbf15e9c3c92bedf40c59aa /src/source_print.sml
parente0a8e775a4c1e12debb2a3fa458007340685dc9d (diff)
Rename Laconic* modules to Source*
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+(* 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