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annotate src/compiler.sml @ 26:4ab19c19665f

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Closure conversion
author Adam Chlipala <adamc@hcoop.net>
date Tue, 10 Jun 2008 15:56:33 -0400
parents 0a762c73824d
children 537db4ee89f4
rev   line source
adamc@1 1 (* Copyright (c) 2008, Adam Chlipala
adamc@1 2 * All rights reserved.
adamc@1 3 *
adamc@1 4 * Redistribution and use in source and binary forms, with or without
adamc@1 5 * modification, are permitted provided that the following conditions are met:
adamc@1 6 *
adamc@1 7 * - Redistributions of source code must retain the above copyright notice,
adamc@1 8 * this list of conditions and the following disclaimer.
adamc@1 9 * - Redistributions in binary form must reproduce the above copyright notice,
adamc@1 10 * this list of conditions and the following disclaimer in the documentation
adamc@1 11 * and/or other materials provided with the distribution.
adamc@1 12 * - The names of contributors may not be used to endorse or promote products
adamc@1 13 * derived from this software without specific prior written permission.
adamc@1 14 *
adamc@1 15 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
adamc@1 16 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
adamc@1 17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
adamc@1 18 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
adamc@1 19 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
adamc@1 20 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
adamc@1 21 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
adamc@1 22 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
adamc@1 23 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
adamc@1 24 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
adamc@1 25 * POSSIBILITY OF SUCH DAMAGE.
adamc@1 26 *)
adamc@1 27
adamc@1 28 (* Laconic/Web language parser *)
adamc@1 29
adamc@1 30 structure Compiler :> COMPILER = struct
adamc@1 31
adamc@1 32 structure LacwebLrVals = LacwebLrValsFn(structure Token = LrParser.Token)
adamc@1 33 structure Lex = LacwebLexFn(structure Tokens = LacwebLrVals.Tokens)
adamc@1 34 structure LacwebP = Join(structure ParserData = LacwebLrVals.ParserData
adamc@1 35 structure Lex = Lex
adamc@1 36 structure LrParser = LrParser)
adamc@1 37
adamc@1 38 (* The main parsing routine *)
adamc@1 39 fun parse filename =
adamc@1 40 let
adamc@1 41 val () = (ErrorMsg.resetErrors ();
adamc@1 42 ErrorMsg.resetPositioning filename)
adamc@1 43 val file = TextIO.openIn filename
adamc@1 44 fun get _ = TextIO.input file
adamc@1 45 fun parseerror (s, p1, p2) = ErrorMsg.errorAt' (p1, p2) s
adamc@1 46 val lexer = LrParser.Stream.streamify (Lex.makeLexer get)
adamc@1 47 val (absyn, _) = LacwebP.parse (30, lexer, parseerror, ())
adamc@1 48 in
adamc@1 49 TextIO.closeIn file;
adamc@5 50 if ErrorMsg.anyErrors () then
adamc@5 51 NONE
adamc@5 52 else
adamc@5 53 SOME absyn
adamc@1 54 end
adamc@1 55 handle LrParser.ParseError => NONE
adamc@1 56
adamc@5 57 fun elaborate env filename =
adamc@5 58 case parse filename of
adamc@5 59 NONE => NONE
adamc@5 60 | SOME file =>
adamc@5 61 let
adamc@5 62 val out = Elaborate.elabFile env file
adamc@5 63 in
adamc@5 64 if ErrorMsg.anyErrors () then
adamc@5 65 NONE
adamc@5 66 else
adamc@5 67 SOME out
adamc@5 68 end
adamc@16 69
adamc@16 70 fun corify eenv cenv filename =
adamc@16 71 case elaborate eenv filename of
adamc@16 72 NONE => NONE
adamc@25 73 | SOME (_, file) =>
adamc@25 74 if ErrorMsg.anyErrors () then
adamc@25 75 NONE
adamc@25 76 else
adamc@25 77 SOME (Corify.corify file)
adamc@5 78
adamc@20 79 fun reduce eenv cenv filename =
adamc@20 80 case corify eenv cenv filename of
adamc@20 81 NONE => NONE
adamc@25 82 | SOME file =>
adamc@25 83 if ErrorMsg.anyErrors () then
adamc@25 84 NONE
adamc@25 85 else
adamc@25 86 SOME (Reduce.reduce (Shake.shake file))
adamc@20 87
adamc@23 88 fun shake eenv cenv filename =
adamc@23 89 case reduce eenv cenv filename of
adamc@23 90 NONE => NONE
adamc@25 91 | SOME file =>
adamc@25 92 if ErrorMsg.anyErrors () then
adamc@25 93 NONE
adamc@25 94 else
adamc@25 95 SOME (Shake.shake file)
adamc@25 96
adamc@25 97 fun monoize eenv cenv filename =
adamc@25 98 case shake eenv cenv filename of
adamc@25 99 NONE => NONE
adamc@25 100 | SOME file =>
adamc@25 101 if ErrorMsg.anyErrors () then
adamc@25 102 NONE
adamc@25 103 else
adamc@25 104 SOME (Monoize.monoize cenv file)
adamc@23 105
adamc@26 106 fun cloconv eenv cenv filename =
adamc@26 107 case monoize eenv cenv filename of
adamc@26 108 NONE => NONE
adamc@26 109 | SOME file =>
adamc@26 110 if ErrorMsg.anyErrors () then
adamc@26 111 NONE
adamc@26 112 else
adamc@26 113 SOME (Cloconv.cloconv file)
adamc@26 114
adamc@1 115 fun testParse filename =
adamc@1 116 case parse filename of
adamc@5 117 NONE => print "Failed\n"
adamc@1 118 | SOME file =>
adamc@5 119 (Print.print (SourcePrint.p_file file);
adamc@5 120 print "\n")
adamc@5 121
adamc@5 122 fun testElaborate filename =
adamc@14 123 (case elaborate ElabEnv.basis filename of
adamc@5 124 NONE => print "Failed\n"
adamc@5 125 | SOME (_, file) =>
adamc@14 126 (Print.print (ElabPrint.p_file ElabEnv.basis file);
adamc@5 127 print "\n"))
adamc@5 128 handle ElabEnv.UnboundNamed n =>
adamc@5 129 print ("Unbound named " ^ Int.toString n ^ "\n")
adamc@1 130
adamc@16 131 fun testCorify filename =
adamc@16 132 (case corify ElabEnv.basis CoreEnv.basis filename of
adamc@16 133 NONE => print "Failed\n"
adamc@16 134 | SOME file =>
adamc@16 135 (Print.print (CorePrint.p_file CoreEnv.basis file);
adamc@16 136 print "\n"))
adamc@16 137 handle CoreEnv.UnboundNamed n =>
adamc@16 138 print ("Unbound named " ^ Int.toString n ^ "\n")
adamc@16 139
adamc@20 140 fun testReduce filename =
adamc@20 141 (case reduce ElabEnv.basis CoreEnv.basis filename of
adamc@20 142 NONE => print "Failed\n"
adamc@20 143 | SOME file =>
adamc@20 144 (Print.print (CorePrint.p_file CoreEnv.basis file);
adamc@20 145 print "\n"))
adamc@20 146 handle CoreEnv.UnboundNamed n =>
adamc@20 147 print ("Unbound named " ^ Int.toString n ^ "\n")
adamc@20 148
adamc@23 149 fun testShake filename =
adamc@23 150 (case shake ElabEnv.basis CoreEnv.basis filename of
adamc@23 151 NONE => print "Failed\n"
adamc@23 152 | SOME file =>
adamc@23 153 (Print.print (CorePrint.p_file CoreEnv.basis file);
adamc@23 154 print "\n"))
adamc@23 155 handle CoreEnv.UnboundNamed n =>
adamc@23 156 print ("Unbound named " ^ Int.toString n ^ "\n")
adamc@23 157
adamc@25 158 fun testMonoize filename =
adamc@25 159 (case monoize ElabEnv.basis CoreEnv.basis filename of
adamc@25 160 NONE => print "Failed\n"
adamc@25 161 | SOME file =>
adamc@25 162 (Print.print (MonoPrint.p_file MonoEnv.basis file);
adamc@25 163 print "\n"))
adamc@25 164 handle MonoEnv.UnboundNamed n =>
adamc@25 165 print ("Unbound named " ^ Int.toString n ^ "\n")
adamc@25 166
adamc@26 167 fun testCloconv filename =
adamc@26 168 (case cloconv ElabEnv.basis CoreEnv.basis filename of
adamc@26 169 NONE => print "Failed\n"
adamc@26 170 | SOME file =>
adamc@26 171 (Print.print (FlatPrint.p_file FlatEnv.basis file);
adamc@26 172 print "\n"))
adamc@26 173 handle FlatEnv.UnboundNamed n =>
adamc@26 174 print ("Unbound named " ^ Int.toString n ^ "\n")
adamc@26 175
adamc@1 176 end