adamc@1: (* Copyright (c) 2008, Adam Chlipala
adamc@1:  * All rights reserved.
adamc@1:  *
adamc@1:  * Redistribution and use in source and binary forms, with or without
adamc@1:  * modification, are permitted provided that the following conditions are met:
adamc@1:  *
adamc@1:  * - Redistributions of source code must retain the above copyright notice,
adamc@1:  *   this list of conditions and the following disclaimer.
adamc@1:  * - Redistributions in binary form must reproduce the above copyright notice,
adamc@1:  *   this list of conditions and the following disclaimer in the documentation
adamc@1:  *   and/or other materials provided with the distribution.
adamc@1:  * - The names of contributors may not be used to endorse or promote products
adamc@1:  *   derived from this software without specific prior written permission.
adamc@1:  *
adamc@1:  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
adamc@1:  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
adamc@1:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
adamc@1:  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
adamc@1:  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 
adamc@1:  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
adamc@1:  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
adamc@1:  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
adamc@1:  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
adamc@1:  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
adamc@1:  * POSSIBILITY OF SUCH DAMAGE.
adamc@1:  *)
adamc@1: 
adamc@1: (* Laconic/Web language parser *)
adamc@1: 
adamc@1: structure Compiler :> COMPILER = struct 
adamc@1: 
adamc@1: structure LacwebLrVals = LacwebLrValsFn(structure Token = LrParser.Token)
adamc@1: structure Lex = LacwebLexFn(structure Tokens = LacwebLrVals.Tokens)
adamc@1: structure LacwebP = Join(structure ParserData = LacwebLrVals.ParserData
adamc@1:                          structure Lex = Lex
adamc@1:                          structure LrParser = LrParser)
adamc@1: 
adamc@55: fun parseLig filename =
adamc@55:     let
adamc@55:         val fname = OS.FileSys.tmpName ()
adamc@55:         val outf = TextIO.openOut fname
adamc@55:         val () = TextIO.output (outf, "sig\n")
adamc@55:         val inf = TextIO.openIn filename
adamc@55:         fun loop () =
adamc@55:             case TextIO.inputLine inf of
adamc@55:                 NONE => ()
adamc@55:               | SOME line => (TextIO.output (outf, line);
adamc@55:                               loop ())
adamc@55:         val () = loop ()
adamc@55:         val () = TextIO.closeIn inf
adamc@55:         val () = TextIO.closeOut outf
adamc@55: 
adamc@55:         val () = (ErrorMsg.resetErrors ();
adamc@55:                   ErrorMsg.resetPositioning filename)
adamc@55: 	val file = TextIO.openIn fname
adamc@55: 	fun get _ = TextIO.input file
adamc@55: 	fun parseerror (s, p1, p2) = ErrorMsg.errorAt' (p1, p2) s
adamc@55: 	val lexer = LrParser.Stream.streamify (Lex.makeLexer get)
adamc@55: 	val (absyn, _) = LacwebP.parse (30, lexer, parseerror, ())
adamc@55:     in
adamc@55:         TextIO.closeIn file;
adamc@55:         if ErrorMsg.anyErrors () then
adamc@55:             NONE
adamc@55:         else
adamc@55:             case absyn of
adamc@55:                 [(Source.DSgn ("?", (Source.SgnConst sgis, _)), _)] => SOME sgis
adamc@55:               | _ => NONE
adamc@55:     end
adamc@55:     handle LrParser.ParseError => NONE
adamc@55: 
adamc@55: fun testLig fname =
adamc@55:     case parseLig fname of
adamc@55:         NONE => ()
adamc@55:       | SOME sgis =>
adamc@55:         app (fn sgi => (Print.print (SourcePrint.p_sgn_item sgi);
adamc@55:                         print "\n")) sgis
adamc@55: 
adamc@1: (* The main parsing routine *)
adamc@56: fun parseLac filename =
adamc@1:     let
adamc@1:         val () = (ErrorMsg.resetErrors ();
adamc@1:                   ErrorMsg.resetPositioning filename)
adamc@1: 	val file = TextIO.openIn filename
adamc@1: 	fun get _ = TextIO.input file
adamc@1: 	fun parseerror (s, p1, p2) = ErrorMsg.errorAt' (p1, p2) s
adamc@1: 	val lexer = LrParser.Stream.streamify (Lex.makeLexer get)
adamc@1: 	val (absyn, _) = LacwebP.parse (30, lexer, parseerror, ())
adamc@1:     in
adamc@1:         TextIO.closeIn file;
adamc@5:         if ErrorMsg.anyErrors () then
adamc@5:             NONE
adamc@5:         else
adamc@55:             case absyn of
adamc@55:                 [(Source.DSgn ("?", _), _)] =>
adamc@55:                 (ErrorMsg.error "File starts with 'sig'";
adamc@55:                  NONE)
adamc@55:               | _ => SOME absyn
adamc@1:     end
adamc@1:     handle LrParser.ParseError => NONE
adamc@1: 
adamc@56: fun testLac fname =
adamc@56:     case parseLac fname of
adamc@56:         NONE => ()
adamc@56:       | SOME file => (Print.print (SourcePrint.p_file file);
adamc@56:                       print "\n")
adamc@56: 
adamc@56: type job = string list
adamc@56: 
adamc@56: fun capitalize "" = ""
adamc@56:   | capitalize s = str (Char.toUpper (String.sub (s, 0))) ^ String.extract (s, 1, NONE)
adamc@56: 
adamc@56: fun parse fnames =
adamc@56:     let
adamc@56:         fun parseOne fname =
adamc@56:             let
adamc@56:                 val mname = capitalize (OS.Path.file fname)
adamc@56:                 val lac = OS.Path.joinBaseExt {base = fname, ext = SOME "lac"}
adamc@56:                 val lig = OS.Path.joinBaseExt {base = fname, ext = SOME "lig"}
adamc@56: 
adamc@56:                 val sgnO =
adamc@56:                     if Posix.FileSys.access (lig, []) then
adamc@56:                         case parseLig lig of
adamc@56:                             NONE => NONE
adamc@56:                           | SOME sgis => SOME (Source.SgnConst sgis, {file = lig,
adamc@56:                                                                       first = ErrorMsg.dummyPos,
adamc@56:                                                                       last = ErrorMsg.dummyPos})
adamc@56:                     else
adamc@56:                         NONE
adamc@56: 
adamc@56:                 val loc = {file = lac,
adamc@56:                            first = ErrorMsg.dummyPos,
adamc@56:                            last = ErrorMsg.dummyPos}
adamc@56:             in
adamc@56:                 case parseLac lac of
adamc@56:                     NONE => NONE
adamc@56:                   | SOME ds =>
adamc@56:                     SOME (Source.DStr (mname, sgnO, (Source.StrConst ds, loc)), loc)
adamc@56:             end
adamc@56: 
adamc@56:         val ds = List.mapPartial parseOne fnames            
adamc@56:     in
adamc@56:         if ErrorMsg.anyErrors () then
adamc@56:             NONE
adamc@56:         else
adamc@56:             SOME ds
adamc@56:     end
adamc@56: 
adamc@56: fun elaborate job =
adamc@56:     case parseLig "lib/basis.lig" of
adamc@56:         NONE => NONE
adamc@56:       | SOME empty =>
adamc@56:         case parse job of
adamc@56:             NONE => NONE
adamc@56:           | SOME file =>
adamc@56:             let
adamc@56:                 val out = Elaborate.elabFile empty ElabEnv.empty file
adamc@56:             in
adamc@56:                 if ErrorMsg.anyErrors () then
adamc@56:                     NONE
adamc@56:                 else
adamc@56:                     SOME out
adamc@56:             end
adamc@56: 
adamc@56: fun explify job =
adamc@56:     case elaborate job of
adamc@5:         NONE => NONE
adamc@5:       | SOME file =>
adamc@38:         if ErrorMsg.anyErrors () then
adamc@38:             NONE
adamc@38:         else
adamc@38:             SOME (Explify.explify file)
adamc@38: 
adamc@56: fun corify job =
adamc@56:     case explify job of
adamc@16:         NONE => NONE
adamc@39:       | SOME file =>
adamc@25:         if ErrorMsg.anyErrors () then
adamc@25:             NONE
adamc@25:         else
adamc@25:             SOME (Corify.corify file)
adamc@5: 
adamc@56: fun shake' job =
adamc@56:     case corify job of
adamc@39:         NONE => NONE
adamc@39:       | SOME file =>
adamc@39:         if ErrorMsg.anyErrors () then
adamc@39:             NONE
adamc@39:         else
adamc@39:             SOME (Shake.shake file)
adamc@39: 
adamc@56: fun reduce job =
adamc@56:     case corify job of
adamc@20:         NONE => NONE
adamc@25:       | SOME file =>
adamc@25:         if ErrorMsg.anyErrors () then
adamc@25:             NONE
adamc@25:         else
adamc@25:             SOME (Reduce.reduce (Shake.shake file))
adamc@20: 
adamc@56: fun shake job =
adamc@56:     case reduce job of
adamc@23:         NONE => NONE
adamc@25:       | SOME file =>
adamc@25:         if ErrorMsg.anyErrors () then
adamc@25:             NONE
adamc@25:         else
adamc@25:             SOME (Shake.shake file)
adamc@25: 
adamc@56: fun monoize job =
adamc@56:     case shake job of
adamc@25:         NONE => NONE
adamc@25:       | SOME file =>
adamc@25:         if ErrorMsg.anyErrors () then
adamc@25:             NONE
adamc@25:         else
adamc@56:             SOME (Monoize.monoize CoreEnv.empty file)
adamc@23: 
adamc@96: fun mono_opt job =
adamc@96:     case monoize job of
adamc@96:         NONE => NONE
adamc@96:       | SOME file =>
adamc@96:         if ErrorMsg.anyErrors () then
adamc@96:             NONE
adamc@96:         else
adamc@96:             SOME (MonoOpt.optimize file)
adamc@96: 
adamc@56: fun cloconv job =
adamc@96:     case mono_opt job of
adamc@26:         NONE => NONE
adamc@26:       | SOME file =>
adamc@26:         if ErrorMsg.anyErrors () then
adamc@26:             NONE
adamc@26:         else
adamc@26:             SOME (Cloconv.cloconv file)
adamc@26: 
adamc@56: fun cjrize job =
adamc@56:     case cloconv job of
adamc@29:         NONE => NONE
adamc@29:       | SOME file =>
adamc@29:         if ErrorMsg.anyErrors () then
adamc@29:             NONE
adamc@29:         else
adamc@29:             SOME (Cjrize.cjrize file)
adamc@29: 
adamc@56: fun testParse job =
adamc@56:     case parse job of
adamc@5:         NONE => print "Failed\n"
adamc@1:       | SOME file =>
adamc@5:         (Print.print (SourcePrint.p_file file);
adamc@5:          print "\n")
adamc@5: 
adamc@56: fun testElaborate job =
adamc@56:     (case elaborate job of
adamc@5:          NONE => print "Failed\n"
adamc@56:        | SOME file =>
adamc@32:          (print "Succeeded\n";
adamc@56:           Print.print (ElabPrint.p_file ElabEnv.empty file);
adamc@5:           print "\n"))
adamc@5:     handle ElabEnv.UnboundNamed n =>
adamc@5:            print ("Unbound named " ^ Int.toString n ^ "\n")
adamc@1: 
adamc@56: fun testExplify job =
adamc@56:     (case explify job of
adamc@38:          NONE => print "Failed\n"
adamc@38:        | SOME file =>
adamc@56:          (Print.print (ExplPrint.p_file ExplEnv.empty file);
adamc@38:           print "\n"))
adamc@38:     handle ExplEnv.UnboundNamed n =>
adamc@38:            print ("Unbound named " ^ Int.toString n ^ "\n")
adamc@38: 
adamc@56: fun testCorify job =
adamc@56:     (case corify job of
adamc@16:          NONE => print "Failed\n"
adamc@16:        | SOME file =>
adamc@56:          (Print.print (CorePrint.p_file CoreEnv.empty file);
adamc@16:           print "\n"))
adamc@16:     handle CoreEnv.UnboundNamed n =>
adamc@16:            print ("Unbound named " ^ Int.toString n ^ "\n")
adamc@16: 
adamc@56: fun testShake' job =
adamc@56:     (case shake' job of
adamc@39:          NONE => print "Failed\n"
adamc@39:        | SOME file =>
adamc@56:          (Print.print (CorePrint.p_file CoreEnv.empty file);
adamc@39:           print "\n"))
adamc@39:     handle CoreEnv.UnboundNamed n =>
adamc@39:            print ("Unbound named " ^ Int.toString n ^ "\n")
adamc@39: 
adamc@56: fun testReduce job =
adamc@56:     (case reduce job of
adamc@20:          NONE => print "Failed\n"
adamc@20:        | SOME file =>
adamc@56:          (Print.print (CorePrint.p_file CoreEnv.empty file);
adamc@20:           print "\n"))
adamc@20:     handle CoreEnv.UnboundNamed n =>
adamc@20:            print ("Unbound named " ^ Int.toString n ^ "\n")
adamc@20: 
adamc@56: fun testShake job =
adamc@56:     (case shake job of
adamc@23:          NONE => print "Failed\n"
adamc@23:        | SOME file =>
adamc@56:          (Print.print (CorePrint.p_file CoreEnv.empty file);
adamc@23:           print "\n"))
adamc@23:     handle CoreEnv.UnboundNamed n =>
adamc@23:            print ("Unbound named " ^ Int.toString n ^ "\n")
adamc@23: 
adamc@56: fun testMonoize job =
adamc@56:     (case monoize job of
adamc@25:          NONE => print "Failed\n"
adamc@25:        | SOME file =>
adamc@56:          (Print.print (MonoPrint.p_file MonoEnv.empty file);
adamc@25:           print "\n"))
adamc@25:     handle MonoEnv.UnboundNamed n =>
adamc@25:            print ("Unbound named " ^ Int.toString n ^ "\n")
adamc@25: 
adamc@96: fun testMono_opt job =
adamc@96:     (case mono_opt job of
adamc@96:          NONE => print "Failed\n"
adamc@96:        | SOME file =>
adamc@96:          (Print.print (MonoPrint.p_file MonoEnv.empty file);
adamc@96:           print "\n"))
adamc@96:     handle MonoEnv.UnboundNamed n =>
adamc@96:            print ("Unbound named " ^ Int.toString n ^ "\n")
adamc@96: 
adamc@56: fun testCloconv job =
adamc@56:     (case cloconv job of
adamc@26:          NONE => print "Failed\n"
adamc@26:        | SOME file =>
adamc@56:          (Print.print (FlatPrint.p_file FlatEnv.empty file);
adamc@26:           print "\n"))
adamc@26:     handle FlatEnv.UnboundNamed n =>
adamc@26:            print ("Unbound named " ^ Int.toString n ^ "\n")
adamc@26: 
adamc@56: fun testCjrize job =
adamc@56:     (case cjrize job of
adamc@29:          NONE => print "Failed\n"
adamc@29:        | SOME file =>
adamc@56:          (Print.print (CjrPrint.p_file CjrEnv.empty file);
adamc@29:           print "\n"))
adamc@29:     handle CjrEnv.UnboundNamed n =>
adamc@29:            print ("Unbound named " ^ Int.toString n ^ "\n")
adamc@29: 
adamc@56: fun compile job =
adamc@56:     case cjrize job of
adamc@29:         NONE => ()
adamc@29:       | SOME file =>
adamc@29:         let
adamc@29:             val outf = TextIO.openOut "/tmp/lacweb.c"
adamc@29:             val s = TextIOPP.openOut {dst = outf, wid = 80}
adamc@29:         in
adamc@56:             Print.fprint s (CjrPrint.p_file CjrEnv.empty file);
adamc@29:             TextIO.closeOut outf
adamc@29:         end
adamc@29: 
adamc@1: end