BNFC-2.4.2.1: formats/java1.5/JavaTop15.hs~
{-
BNF Converter: Java Top File
Copyright (C) 2004 Author: Markus Forsberg, Peter Gammie,
Michael Pellauer, Bjorn Bringert
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-}
-------------------------------------------------------------------
-- |
-- Module : JavaTop
-- Copyright : (C)opyright 2003, {markus, aarne, pellauer, peteg, bringert} at cs dot chalmers dot se
-- License : GPL (see COPYING for details)
--
-- Maintainer : {markus, aarne} at cs dot chalmers dot se
-- Stability : alpha
-- Portability : Haskell98
--
-- Top-level for the Java back end.
--
-- > $Id: JavaTop15.hs,v 1.12 2007/01/08 18:20:23 aarne Exp $
-------------------------------------------------------------------
module JavaTop15 ( makeJava15 ) where
-------------------------------------------------------------------
-- Dependencies.
-------------------------------------------------------------------
import System.Directory ( createDirectory )
import System.IO ( try, isAlreadyExistsError )
import Utils
import CF
import CFtoCup15 ( cf2Cup )
import CFtoJLex15
import CFtoJavaAbs15 ( cf2JavaAbs )
import CFtoJavaPrinter15
--import CFtoJavaSkeleton
import CFtoVisitSkel15
import CFtoComposVisitor
import CFtoAbstractVisitor
import CFtoFoldVisitor
import CFtoAllVisitor
import CFtoLatex
import System.IO
import GetCF ( tryReadCF, writeFileRep )
import Data.Char
import Data.List(intersperse)
-------------------------------------------------------------------
-- | Build the Java output.
-- FIXME: get everything to put the files in the right places.
-- Adapt Makefile to do the business.
-------------------------------------------------------------------
makeJava15 :: Bool
-> Maybe String -- ^ Java package name to put the classes in
-> String -- ^ Name of grammar
-> FilePath -- ^ Grammar file
-> IO ()
makeJava15 make inPackage name file =
do (cf, isOK) <- tryReadCF file
if isOK
then do mkFiles make inPackage name cf
putStrLn $ "Done!"
else do putStrLn $ "Failed!"
exitFailure
mkFiles :: Bool -> Maybe String -> String -> CF -> IO ()
mkFiles make inPackage name cf =
do -- Create the package directories if necessary.
let packageBase = case inPackage of
Nothing -> name
Just p -> p ++ "." ++ name
packageAbsyn = packageBase ++ "." ++ "Absyn"
dirBase = pkgToDir packageBase
dirAbsyn = pkgToDir packageAbsyn
prepareDir dirBase
prepareDir dirAbsyn
let absynFiles = remDups $ cf2JavaAbs packageBase packageAbsyn cf
absynBaseNames = map fst absynFiles
absynFileNames = map (dirAbsyn ++) absynBaseNames
absynFuns = [ f | (_,ps) <- cf2data cf, (f,_) <- ps ]
let writeAbsyn (filename, contents) =
writeFileRep (dirAbsyn ++ filename ++ ".java") contents
mapM writeAbsyn absynFiles
writeFileRep (dirBase ++ "PrettyPrinter.java") $ cf2JavaPrinter packageBase packageAbsyn cf
writeFileRep (dirBase ++ "VisitSkel.java") $ cf2VisitSkel packageBase packageAbsyn cf
writeFileRep (dirBase ++ "ComposVisitor.java") $ cf2ComposVisitor packageBase packageAbsyn cf
writeFileRep (dirBase ++ "AbstractVisitor.java") $ cf2AbstractVisitor packageBase packageAbsyn cf
writeFileRep (dirBase ++ "FoldVisitor.java") $ cf2FoldVisitor packageBase packageAbsyn cf
writeFileRep (dirBase ++ "AllVisitor.java") $ cf2AllVisitor packageBase packageAbsyn cf
writeFileRep (dirBase ++ "Test.java") $ javaTest packageBase packageAbsyn cf
let (lex, env) = cf2jlex packageBase packageAbsyn cf
writeFileRep (dirBase ++ "Yylex") lex
putStrLn " (Tested with JLex 1.2.6.)"
writeFileRep (dirBase ++ name ++ ".cup") $ cf2Cup packageBase packageAbsyn cf env
-- FIXME: put in a doc directory?
putStrLn $ " (Parser created for category " ++ firstEntry cf ++ ")"
putStrLn " (Tested with CUP 0.10k)"
writeFileRep (name ++ ".tex") $ cfToLatex name cf
if make
then writeFileRep "Makefile" $ makefile name dirBase dirAbsyn absynFileNames
else return ()
where
remDups [] = []
remDups ((a,b):as) = case lookup a as of
Just {} -> remDups as
Nothing -> (a, b) : (remDups as)
pkgToDir :: String -> FilePath
pkgToDir s = replace '.' pathSep s ++ [pathSep]
-- FIXME get filenames right.
-- FIXME It's almost certainly better to just feed all the Java source
-- files to javac in one go.
-- Replace with an ANT script?
makefile :: String -> FilePath -> FilePath -> [String] -> String
makefile name dirBase dirAbsyn absynFileNames =
unlines
[
"JAVAC = javac",
"JAVAC_FLAGS = -sourcepath .",
"",
"JAVA = java",
"JAVA_FLAGS =",
"",
"CUP = java_cup.Main",
"CUPFLAGS = -nopositions -expect 100",
"",
"JLEX = JLex.Main",
"",
"LATEX = latex",
"DVIPS = dvips",
"",
"all: test " ++ name ++ ".ps",
"",
"test: absyn "
++ unwords (map (dirBase ++) [
"Yylex.class",
"PrettyPrinter.class",
"Test.class",
"ComposVisitor.class",
"AbstractVisitor.class",
"FoldVisitor.class",
"AllVisitor.class",
"parser.class",
"sym.class",
"Test.class"]),
"",
".PHONY: absyn",
"",
"%.class: %.java",
"\t${JAVAC} ${JAVAC_FLAGS} $^",
"",
"absyn: " ++ absynJavaSrc,
"\t${JAVAC} ${JAVAC_FLAGS} $^",
"",
dirBase ++ "Yylex.java: " ++ dirBase ++ "Yylex",
"\t${JAVA} ${JAVA_FLAGS} ${JLEX} " ++ dirBase ++ "Yylex",
"",
dirBase ++ "sym.java " ++ dirBase ++ "parser.java: " ++ dirBase ++ name ++ ".cup",
"\t${JAVA} ${JAVA_FLAGS} ${CUP} ${CUPFLAGS} " ++ dirBase ++ name ++ ".cup",
"\tmv sym.java parser.java " ++ dirBase,
"",
dirBase ++ "Yylex.class: " ++ dirBase ++ "Yylex.java"
++ " " ++ dirBase ++ "sym.java",
"",
dirBase ++ "sym.class: " ++ dirBase ++ "sym.java",
"",
dirBase ++ "parser.class: " ++ dirBase ++ "parser.java " ++ dirBase ++ "sym.java",
"",
dirBase ++ "PrettyPrinter.class: " ++ dirBase ++ "PrettyPrinter.java",
"",
"" ++ name ++ ".dvi: " ++ name ++ ".tex",
"\t${LATEX} " ++ name ++ ".tex",
"",
"" ++ name ++ ".ps: " ++ name ++ ".dvi",
"\t${DVIPS} " ++ name ++ ".dvi -o " ++ name ++ ".ps",
-- FIXME
"",
"clean:",
"\t rm -f " ++ dirAbsyn ++ "*.class" ++ " " ++ dirBase ++ "*.class",
"\t rm -f " ++ ".dvi " ++ name ++ ".aux " ++ name ++ ".log " ++ name ++ ".ps " ++ " *.class",
"",
"vclean:",
"\t rm -f " ++ absynJavaSrc ++ " " ++ absynJavaClass,
"\t rm -f " ++ dirAbsyn ++ "*.class",
"\t rmdir " ++ dirAbsyn,
"\t rm -f " ++ name ++ ".tex " ++ name ++ ".dvi " ++ name ++ ".aux " ++ name ++ ".log " ++ name ++ ".ps ",
"\t rm -f " ++ unwords (map (dirBase ++) [
"Yylex",
name ++ ".cup",
"Yylex.java",
"VisitSkel.java",
"ComposVisitor.java",
"AbstractVisitor.java",
"FoldVisitor.java",
"AllVisitor.java",
"PrettyPrinter.java",
"Skeleton.java",
"Test.java",
"sym.java",
"parser.java",
"*.class"]),
"\t rm -f Makefile",
"\t rmdir -p " ++ dirBase,
""
]
where absynJavaSrc = unwords (map (++ ".java") absynFileNames)
absynJavaClass = unwords (map (++ ".class") absynFileNames)
javaTest :: String -> String -> CF -> String
javaTest packageBase packageAbsyn cf =
unlines
[
"package" +++ packageBase ++ ";",
"import java_cup.runtime.*;",
"import" +++ packageBase ++ ".*;",
"import" +++ packageAbsyn ++ ".*;",
"import java.io.*;",
"",
"public class Test",
"{",
" public static void main(String args[]) throws Exception",
" {",
" Yylex l = null;",
" parser p;",
" try",
" {",
" if (args.length == 0) l = new Yylex(System.in);",
" else l = new Yylex(new FileReader(args[0]));",
" }",
" catch(FileNotFoundException e)",
" {",
" System.err.println(\"Error: File not found: \" + args[0]);",
" System.exit(1);",
" }",
" p = new parser(l);",
" /* The default parser is the first-defined entry point. */",
" /* You may want to change this. Other options are: */",
" /* " ++ (concat (intersperse ", " (showOpts (tail eps)))) ++ " */",
" try",
" {",
" " ++ packageAbsyn ++ "." ++ def +++ "parse_tree = p.p"
++ def ++ "();",
" System.out.println();",
" System.out.println(\"Parse Succesful!\");",
" System.out.println();",
" System.out.println(\"[Abstract Syntax]\");",
" System.out.println();",
" System.out.println(PrettyPrinter.show(parse_tree));",
" System.out.println();",
" System.out.println(\"[Linearized Tree]\");",
" System.out.println();",
" System.out.println(PrettyPrinter.print(parse_tree));",
" }",
" catch(Throwable e)",
" {",
" System.err.println(\"At line \" + String.valueOf(l.line_num()) + \", near \\\"\" + l.buff() + \"\\\" :\");",
" System.err.println(\" \" + e.getMessage());",
" System.exit(1);",
" }",
" }",
"}"
]
where eps = allEntryPoints cf
def = head eps
showOpts [] = []
showOpts (x:[]) = if normCat x /= x then [] else ['p' : (identCat x)]
showOpts (x:xs) = if normCat x /= x then (showOpts xs)
else ('p' : (identCat x)) : (showOpts xs)