128 lines
4.8 KiB
Standard ML
128 lines
4.8 KiB
Standard ML
(*****************************************************************************
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* su4sml --- an SML repository for managing (Secure)UML/OCL models
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* http://projects.brucker.ch/su4sml/
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*
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* parser.sml ---
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* This file is part of su4sml.
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*
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* Copyright (c) 2005-2007, ETH Zurich, Switzerland
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*
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* * Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following
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* disclaimer in the documentation and/or other materials provided
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* with the distribution.
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*
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* * Neither the name of the copyright holders nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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******************************************************************************)
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(* $Id$ *)
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structure OclParser : sig
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val parse : string -> unit
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val parse_contextlist: string -> (Context.context list * Rep_Core.Classifier list)
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end =
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struct
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open Context
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structure OclParserLrVals =
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OclParserLrValsFun(structure Token = LrParser.Token)
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structure OclParserLex =
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OclParserLexFun(structure Tokens = OclParserLrVals.Tokens)
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structure OclParserParser =
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Join(structure LrParser = LrParser
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structure ParserData = OclParserLrVals.ParserData
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structure Lex = OclParserLex)
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(*
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* We need a function which given a lexer invokes the parser. The
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* function invoke does this.
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*)
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fun invoke lexstream =
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let fun print_error (s,i:(int * int * int),_) =
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TextIO.output(TextIO.stdOut,
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"Error, line .... " ^ (Int.toString (#1 i)) ^"."^(Int.toString (#2 i ))^ ", " ^ s ^ "\n")
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in OclParserParser.parse(0,lexstream,print_error,())
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end
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(*
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* Finally, we need a driver function that reads one or more expressions
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* from the standard input. The function parse, shown below, does
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* this. It runs the calculator on the standard input and terminates when
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* an end-of-file is encountered.
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*)
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fun parse oclFile =
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let
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val infile = TextIO.openIn oclFile
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val lexer = OclParserParser.makeLexer (fn _ => case ((TextIO.inputLine) infile) of
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SOME s => s
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| NONE => "")
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val ocl = ""
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val dummyEOF = OclParserLrVals.Tokens.EOF((0,0,0),(0,0,0))
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fun loop lexer =
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let
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val _ = (OclParserLex.UserDeclarations.pos := (0,0,0);())
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val (res,lexer) = invoke lexer
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val cxt_list = (#1 res)
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val class_list = (#2 res)
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val (nextToken,lexer) = OclParserParser.Stream.get lexer
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val _ = TextIO.output(TextIO.stdOut,(cxt_list2string cxt_list) ^ "\n")
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in if OclParserParser.sameToken(nextToken,dummyEOF) then ()
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else loop lexer
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end
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in loop lexer
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end
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fun parse_contextlist oclFile =
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let
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val infile = TextIO.openIn oclFile
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val lexer = OclParserParser.makeLexer (fn _ => case ((TextIO.inputLine) infile) of
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SOME s => s
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| NONE => "")
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val ocl = ""
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val dummyEOF = OclParserLrVals.Tokens.EOF((0,0,0),(0,0,0))
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fun loop lexer =
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let
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val _ = (OclParserLex.UserDeclarations.pos := (0,0,0);())
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val (res,lexer) = invoke lexer
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val (nextToken,lexer) = OclParserParser.Stream.get lexer
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(*
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val _ = TextIO.output(TextIO.stdOut,(cxt_list2string res) ^ "\n")
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*)
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in if OclParserParser.sameToken(nextToken,dummyEOF) then ((),res)
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else loop lexer
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end
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in (#2(loop lexer))
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end
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end
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